:root {
  --paper: #f2eee5;
  --paper-soft: #faf8f2;
  --paper-deep: #e4ddd0;
  --ink: #18231f;
  --ink-soft: #53605a;
  --ink-faint: #626b66;
  --line: rgba(24, 35, 31, 0.14);
  --line-strong: rgba(24, 35, 31, 0.28);
  --accent: #ef6b4a;
  --accent-dark: #a83c27;
  --accent-soft: #f7c7b9;
  --success: #2d6b50;
  --danger: #a44134;
  --shadow-soft: 0 24px 70px rgba(36, 31, 24, 0.09);
  --radius-small: 12px;
  --radius-medium: 22px;
  --font-sans: -apple-system, BlinkMacSystemFont, "Apple SD Gothic Neo", "Pretendard", "Noto Sans KR", sans-serif;
  --font-hanja: "Noto Serif CJK KR", "Noto Serif KR", "AppleMyungjo", "Batang", serif;
}

/* 관리자 콘텐츠 편집: 본문 배치를 유지한 채 문구 자체를 편집 진입점으로 쓴다. */
.idiom-editable-field {
  display: inline;
  position: relative;
  cursor: pointer;
}

.idiom-editable-copy {
  display: inline;
  padding: 0.04em 0.12em;
  outline: 1px solid transparent;
  outline-offset: 2px;
  background: color-mix(in srgb, var(--paper-soft) 88%, #c9cbc8 12%);
  box-decoration-break: clone;
  -webkit-box-decoration-break: clone;
  transition:
    background-color 120ms ease,
    outline-color 120ms ease;
}

.idiom-editable-field:hover > .idiom-editable-copy,
.idiom-editable-field:focus-visible > .idiom-editable-copy,
.idiom-editable-field:focus-within > .idiom-editable-copy {
  background: color-mix(in srgb, var(--paper-soft) 68%, #bfc3c0 32%);
  outline-color: color-mix(in srgb, var(--ink) 72%, transparent);
}

.idiom-editable-field:focus-visible {
  outline: 2px solid var(--ink);
  outline-offset: 4px;
}

.idiom-editable-field.is-empty > .idiom-editable-copy {
  outline: 1px dashed color-mix(in srgb, var(--ink) 48%, transparent);
  outline-offset: 2px;
}

.idiom-inline-edit-trigger {
  position: relative;
  display: inline-block;
  width: 0;
  height: 0;
  margin: 0;
  vertical-align: middle;
}

.idiom-inline-edit-button {
  position: absolute;
  left: 5px;
  top: 50%;
  z-index: 12;
  width: 28px;
  height: 28px;
  flex: 0 0 28px;
  padding: 0;
  border: 1px solid color-mix(in srgb, var(--ink) 42%, transparent);
  border-radius: 4px;
  background: #ffffff;
  color: var(--ink);
  display: inline-grid;
  place-items: center;
  font-size: 0.78rem;
  line-height: 1;
  cursor: pointer;
  opacity: 0.62;
  pointer-events: auto;
  transform: translateY(-50%);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.12);
  transition:
    opacity 120ms ease,
    background-color 120ms ease;
}

.idiom-inline-edit-button > span[aria-hidden="true"] {
  color: var(--accent-dark);
}

.idiom-editable-field .idiom-inline-edit-button {
  opacity: 0;
  pointer-events: none;
}

.idiom-editable-field:hover .idiom-inline-edit-button,
.idiom-editable-field:focus-within .idiom-inline-edit-button,
.idiom-inline-edit-button:hover,
.idiom-inline-edit-button:focus-visible,
.idiom-inline-edit-button[aria-expanded="true"] {
  opacity: 1;
  pointer-events: auto;
  background: #ffffff;
}

.idiom-editable-action {
  display: flex;
  align-items: center;
  gap: 10px;
}

.idiom-editable-action > .primary-button {
  min-width: 0;
  flex: 1 1 auto;
}

.idiom-choice-edit-wrap {
  position: relative;
  min-width: 0;
}

.idiom-choice-edit-wrap > .idiom-choice {
  width: 100%;
  height: 100%;
}

.idiom-choice-edit-wrap > .idiom-inline-edit-trigger {
  position: absolute;
  right: 10px;
  bottom: 10px;
  z-index: 2;
}

.idiom-inline-editor-backdrop {
  position: fixed;
  inset: 0;
  z-index: 5000;
  padding: clamp(16px, 4vw, 48px);
  background: rgba(255, 255, 255, 0.98);
  display: grid;
  place-items: center;
  overflow: auto;
  overscroll-behavior: contain;
  isolation: isolate;
  animation: idiom-editor-backdrop-in 150ms ease-out both;
}

body:has(.idiom-inline-editor-backdrop) {
  overflow: hidden;
}

.idiom-inline-editor {
  width: min(760px, 100%);
  max-height: min(820px, calc(100svh - 32px));
  min-width: 0;
  margin: auto;
  padding: 0;
  border: 2px solid var(--ink);
  background: #ffffff;
  box-shadow: 0 20px 70px rgba(0, 0, 0, 0.16);
  overflow: auto;
  animation: idiom-editor-dialog-in 170ms ease-out both;
}

.idiom-inline-editor.is-loading {
  min-height: 72px;
  display: grid;
  place-items: center;
}

.idiom-inline-editor > header,
.idiom-inline-editor > footer {
  padding: 18px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.idiom-inline-editor > header {
  position: sticky;
  top: 0;
  z-index: 1;
  margin: 0;
  border-bottom: 1.5px solid var(--ink);
  background: #ffffff;
}

.idiom-inline-editor > header small {
  color: var(--accent-dark);
  font-weight: 850;
  letter-spacing: 0.05em;
}

.idiom-inline-editor > header h3 {
  margin: 3px 0 0;
  font-size: clamp(1.1rem, 2vw, 1.4rem);
}

.idiom-inline-editor > header p {
  margin: 5px 0 0;
  color: var(--ink-soft);
  font-size: 0.88rem;
}

.idiom-inline-editor-close {
  width: 48px;
  height: 48px;
  flex: 0 0 auto;
  border: 1.5px solid var(--ink);
  background: var(--paper-soft);
  color: var(--ink);
  font: 400 2rem/1 var(--font-sans);
  cursor: pointer;
}

.idiom-inline-editor > footer {
  position: sticky;
  bottom: 0;
  margin: 0;
  border-top: 1px solid var(--line-strong);
  background: #ffffff;
}

.idiom-inline-editor > footer p {
  margin: 0;
  color: var(--ink-soft);
  font-weight: 750;
}

.idiom-inline-editor > footer > div {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
}

.idiom-inline-editor > footer button {
  min-width: 160px;
  min-height: 48px;
}

.idiom-inline-editor-fields {
  min-width: 0;
  padding: 20px;
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

@keyframes idiom-editor-backdrop-in {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes idiom-editor-dialog-in {
  from { opacity: 0; transform: translateY(12px) scale(0.985); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

.idiom-content-admin-rail {
  width: min(100%, 1280px);
  margin: 18px auto 26px;
  padding: 14px 16px;
  border-block: 2px solid var(--ink);
  background: color-mix(in srgb, var(--paper) 90%, var(--accent) 10%);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.idiom-content-admin-rail > div:first-child {
  min-width: 0;
  display: grid;
  gap: 3px;
}

.idiom-content-admin-rail small {
  color: var(--accent-dark);
  font-weight: 800;
  letter-spacing: 0.04em;
}

.idiom-content-admin-rail > div > strong {
  font-size: 0.98rem;
}

.idiom-content-admin-rail > .secondary-button {
  min-width: 112px;
  min-height: 46px;
  flex: 0 0 auto;
}

.idiom-content-admin-rail.is-open {
  display: block;
  padding: 0;
  background: var(--paper);
  border: 2px solid var(--ink);
  box-shadow: 8px 8px 0 color-mix(in srgb, var(--accent) 26%, transparent);
}

.idiom-content-admin-rail.is-compact {
  margin-top: 42px;
}

.idiom-content-editor-header {
  padding: 20px 22px;
  border-bottom: 1px solid color-mix(in srgb, var(--ink) 30%, transparent);
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 24px;
}

.idiom-content-editor-header h2 {
  margin: 3px 0 6px;
  font-size: clamp(1.35rem, 2.6vw, 2rem);
}

.idiom-content-editor-header p {
  margin: 0;
  color: var(--muted);
}

.idiom-content-editor-header .quiet-link {
  min-width: 72px;
  min-height: 44px;
}

.idiom-content-preview-banner {
  padding: 11px 22px;
  border-bottom: 1px solid var(--ink);
  background: var(--accent-soft);
  display: flex;
  align-items: baseline;
  gap: 12px;
}

.idiom-content-editor-field {
  min-width: 0;
  display: grid;
  gap: 7px;
}

.idiom-content-editor-field:not(.is-short) {
  grid-column: 1 / -1;
}

.idiom-content-editor-field > span {
  font-size: 0.88rem;
  font-weight: 800;
  color: var(--muted);
}

.idiom-content-editor-field input,
.idiom-content-editor-field textarea,
.idiom-content-editor-field select {
  width: 100%;
  min-width: 0;
  min-height: 48px;
  padding: 11px 12px;
  border: 1.5px solid var(--ink);
  border-radius: 0;
  background: var(--paper);
  color: var(--ink);
  font: inherit;
  line-height: 1.55;
}

.idiom-content-editor-field textarea {
  resize: vertical;
}

.idiom-content-image-field {
  display: grid;
  grid-template-columns: minmax(120px, 220px) minmax(0, 1fr);
  align-items: center;
  gap: 12px 16px;
}

.idiom-content-image-field > img,
.idiom-content-image-empty {
  grid-row: 1 / span 2;
  width: 100%;
  aspect-ratio: 4 / 3;
  border: 1.5px solid var(--ink);
  background: var(--paper);
  object-fit: cover;
}

.idiom-content-image-empty {
  padding: 16px;
  display: grid;
  place-items: center;
  color: var(--muted);
  text-align: center;
}

.idiom-content-image-field > small {
  color: var(--muted);
  line-height: 1.5;
}

.idiom-content-editor-field input:focus-visible,
.idiom-content-editor-field textarea:focus-visible,
.idiom-content-editor-field select:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 2px;
}

.idiom-content-editor-actions {
  padding: 16px 22px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.idiom-content-editor-actions > p {
  margin: 0;
  color: var(--muted);
  font-weight: 750;
}

.idiom-content-editor-actions > p.is-error {
  color: var(--danger);
}

.idiom-content-editor-actions > div {
  display: flex;
  gap: 10px;
}

.idiom-content-editor-actions button {
  min-height: 48px;
}

.idiom-content-history {
  margin: 0 22px 22px;
  border-top: 1px solid var(--ink);
}

.idiom-content-history summary {
  min-height: 48px;
  padding-block: 13px;
  cursor: pointer;
  font-weight: 800;
}

.idiom-content-history ol {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid color-mix(in srgb, var(--ink) 22%, transparent);
}

.idiom-content-history li {
  min-height: 52px;
  padding: 8px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  border-bottom: 1px solid color-mix(in srgb, var(--ink) 18%, transparent);
}

.idiom-content-history li span {
  display: grid;
  gap: 2px;
}

@media (max-width: 699px) {
  .idiom-content-admin-rail {
    margin-block: 12px 20px;
    align-items: stretch;
  }

  .idiom-content-admin-rail:not(.is-open) {
    flex-direction: column;
  }

  .idiom-content-admin-rail > .secondary-button {
    width: 100%;
  }

  .idiom-content-editor-header,
  .idiom-content-editor-actions,
  .idiom-content-preview-banner {
    padding-inline: 16px;
  }

  .idiom-inline-editor-fields {
    grid-template-columns: 1fr;
  }

  .idiom-inline-editor {
    width: 100%;
    max-height: calc(100svh - 24px);
  }

  .idiom-inline-editor > header {
    align-items: flex-start;
  }

  .idiom-inline-editor > footer {
    align-items: stretch;
    flex-direction: column;
  }

  .idiom-inline-editor > footer > div {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(110px, 1fr));
  }

  .idiom-inline-edit-button {
    width: 30px;
    height: 30px;
  }

  .idiom-inline-editor > footer button {
    min-width: 0;
  }

  .idiom-content-editor-field,
  .idiom-content-editor-field:not(.is-short) {
    grid-column: 1;
  }

  .idiom-content-image-field {
    grid-template-columns: 1fr;
  }

  .idiom-content-image-field > img,
  .idiom-content-image-empty {
    grid-row: auto;
    max-height: 280px;
  }

  .idiom-content-editor-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .idiom-content-editor-actions > div {
    display: grid;
    grid-template-columns: 1fr 1fr;
  }

  .idiom-content-history {
    margin-inline: 16px;
  }
}

@media (forced-colors: active) {
  .idiom-content-admin-rail,
  .idiom-content-admin-rail.is-open,
  .idiom-inline-editor-backdrop,
  .idiom-inline-editor,
  .idiom-inline-edit-button,
  .idiom-editable-copy,
  .idiom-content-editor-field input,
  .idiom-content-editor-field textarea,
  .idiom-content-editor-field select,
  .idiom-content-image-field > img,
  .idiom-content-image-empty,
  .idiom-story-image-editor,
  .idiom-content-preview-banner {
    border-color: CanvasText;
    background: Canvas;
    color: CanvasText;
    box-shadow: none;
  }

}

@media (prefers-reduced-motion: reduce) {
  .idiom-inline-editor-backdrop,
  .idiom-inline-editor,
  .idiom-inline-edit-button {
    animation: none;
    transition: none;
  }
}

@media (max-width: 699px) {
  .idiom-editable-action {
    width: 100%;
  }
}

* {
  box-sizing: border-box;
}

html {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-sans);
  scroll-behavior: smooth;
  text-rendering: optimizeLegibility;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  min-width: 320px;
  min-height: 100svh;
  background:
    linear-gradient(rgba(24, 35, 31, 0.018) 1px, transparent 1px),
    var(--paper);
  background-size: 100% 32px;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

button,
input {
  font: inherit;
}

button {
  color: inherit;
}

a {
  color: inherit;
  text-decoration: none;
}

button,
a,
[tabindex] {
  touch-action: manipulation;
}

:focus-visible {
  outline: 3px solid var(--accent-dark);
  outline-offset: 4px;
}

::selection {
  background: var(--accent-soft);
}

.sr-only {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}

.skip-link {
  position: fixed;
  z-index: 1000;
  left: 16px;
  top: 12px;
  transform: translateY(-160%);
  padding: 12px 18px;
  background: var(--ink);
  color: white;
  border-radius: 8px;
}

.skip-link:focus {
  transform: translateY(0);
}

.app-shell,
.page-shell {
  min-height: 100svh;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 40;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 72px;
  padding: 10px max(18px, env(safe-area-inset-left));
  background: color-mix(in srgb, var(--paper) 92%, transparent);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-height: 48px;
  view-transition-name: app-brand;
}

.brand img {
  flex: 0 0 auto;
  width: 38px;
  height: 38px;
}

.brand-copy {
  display: grid;
  gap: 2px;
}

.brand-copy strong {
  font-size: 1rem;
  letter-spacing: -0.035em;
}

.brand-copy small {
  color: var(--ink-soft);
  font-size: 0.69rem;
  letter-spacing: -0.02em;
}

.icon-button {
  display: inline-grid;
  place-items: center;
  width: 48px;
  height: 48px;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: transparent;
  cursor: pointer;
}

.top-actions {
  display: flex;
  align-items: center;
  gap: 7px;
}

.settings-link.is-active {
  border-color: var(--ink);
  background: rgba(24, 35, 31, 0.07);
}

.icon-button svg,
.nav-item svg,
.primary-button svg,
.text-button svg,
.quiet-link svg,
.lesson-row svg,
.listen-button svg,
.secondary-button svg,
.review-character-list svg {
  width: 21px;
  height: 21px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.main-content {
  width: min(100%, 1180px);
  margin-inline: auto;
  padding: 0 20px 130px;
}

.primary-nav {
  position: fixed;
  z-index: 45;
  left: 12px;
  right: 12px;
  bottom: max(10px, env(safe-area-inset-bottom));
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  padding: 7px;
  background: rgba(24, 35, 31, 0.95);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 20px;
  box-shadow: 0 14px 34px rgba(20, 29, 25, 0.23);
  backdrop-filter: blur(18px);
}

.nav-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 3px;
  min-height: 54px;
  border-radius: 14px;
  color: rgba(255, 255, 255, 0.62);
  font-size: 0.72rem;
  font-weight: 700;
}

.nav-item svg {
  width: 20px;
  height: 20px;
}

.nav-item.is-active {
  background: rgba(255, 255, 255, 0.12);
  color: white;
}

.app-footer {
  display: none;
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--accent-dark);
  font-size: 0.73rem;
  font-weight: 800;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.view-heading {
  margin: 0;
  font-size: clamp(2.15rem, 8vw, 4.8rem);
  line-height: 1.04;
  letter-spacing: -0.07em;
  text-wrap: balance;
}

.view-heading[tabindex="-1"]:focus,
.learning-screen h2[tabindex="-1"]:focus {
  outline: none;
}

.view-heading em {
  color: var(--accent);
  font-family: var(--font-hanja);
  font-style: normal;
  font-weight: 600;
}

.primary-button,
.secondary-button,
.text-button,
.listen-button,
.quiet-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  min-height: 50px;
  border: 0;
  cursor: pointer;
  font-weight: 800;
}

.primary-button {
  padding: 0 22px;
  border-radius: 999px;
  background: var(--ink);
  color: white;
  box-shadow: 0 9px 22px rgba(24, 35, 31, 0.16);
}

.primary-button:hover {
  background: #26352e;
  transform: translateY(-1px);
}

.secondary-button {
  min-height: 46px;
  padding: 0 16px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  background: rgba(250, 248, 242, 0.72);
  cursor: pointer;
  font-size: 0.8rem;
  font-weight: 800;
}

.secondary-button:hover {
  border-color: var(--ink);
  background: var(--paper-soft);
}

.secondary-button:disabled {
  cursor: default;
  opacity: 0.45;
}

.primary-button:disabled,
.primary-button:disabled:hover {
  background: var(--ink-soft);
  box-shadow: none;
  cursor: default;
  opacity: 0.64;
  transform: none;
}

.text-button,
.quiet-link {
  padding: 0 4px;
  background: transparent;
  color: var(--ink);
}

.text-button svg,
.quiet-link svg {
  width: 18px;
  transition: transform 180ms ease;
}

.text-button:hover svg,
.quiet-link:hover svg {
  transform: translateX(3px);
}

.home-intro {
  display: grid;
  padding: 34px 0 28px;
}

.home-copy {
  z-index: 2;
  align-self: center;
}

.home-lead {
  margin: 18px 0 0;
  color: var(--ink-soft);
  font-size: 1rem;
  font-weight: 650;
}

.home-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 20px;
  margin-top: 24px;
}

.privacy-note {
  margin: 14px 0 0;
  color: var(--ink-faint);
  font-size: 0.76rem;
}

.home-visual {
  position: relative;
  display: grid;
  place-items: center;
  min-height: 330px;
  margin-top: 12px;
  overflow: hidden;
  color: var(--ink);
}

.home-visual::before {
  content: "";
  position: absolute;
  width: min(72vw, 420px);
  aspect-ratio: 1;
  border: 1px solid var(--line);
  border-radius: 50%;
}

.home-visual::after {
  content: "";
  position: absolute;
  width: min(52vw, 300px);
  aspect-ratio: 1;
  border: 1px solid var(--line);
  border-radius: 50%;
}

.home-visual .scene-svg,
.home-visual .scene-video {
  position: relative;
  z-index: 2;
  width: min(92%, 510px);
  height: auto;
}

.preview-glyph {
  position: absolute;
  right: 5%;
  bottom: -5%;
  z-index: 1;
  color: var(--ink);
  font-family: var(--font-hanja);
  font-size: clamp(7rem, 34vw, 16rem);
  line-height: 1;
  opacity: 0.055;
  transform: rotate(5deg);
}

.progress-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  align-items: stretch;
  border-top: 1px solid var(--line-strong);
  border-bottom: 1px solid var(--line-strong);
}

.progress-strip > div {
  display: grid;
  gap: 2px;
  padding: 18px 10px;
  text-align: center;
}

.progress-strip > div + div {
  border-left: 1px solid var(--line);
}

.progress-strip strong {
  font-family: var(--font-hanja);
  font-size: 1.75rem;
  font-weight: 600;
}

.progress-strip span {
  color: var(--ink-soft);
  font-size: 0.7rem;
}

.progress-strip progress {
  grid-column: 1 / -1;
  width: 100%;
  height: 4px;
  margin-top: -4px;
  border: 0;
}

progress {
  overflow: hidden;
  appearance: none;
  border: 0;
  border-radius: 999px;
  background: var(--paper-deep);
}

progress::-webkit-progress-bar {
  background: var(--paper-deep);
}

progress::-webkit-progress-value {
  background: var(--accent);
}

progress::-moz-progress-bar {
  background: var(--accent);
}

.lesson-section {
  padding: 58px 0 20px;
}

.section-heading-row {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 20px;
}

.section-heading-row h2 {
  margin: 0;
  font-size: clamp(1.6rem, 5vw, 2.4rem);
  letter-spacing: -0.055em;
}

.lesson-list {
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line-strong);
  list-style: none;
}

.lesson-list li {
  border-bottom: 1px solid var(--line);
}

.lesson-row {
  display: grid;
  grid-template-columns: 42px 1fr auto 24px;
  align-items: center;
  gap: 12px;
  width: 100%;
  min-height: 82px;
  padding: 12px 4px;
  border: 0;
  background: transparent;
  text-align: left;
  cursor: pointer;
}

.lesson-row:hover {
  color: var(--accent-dark);
}

.lesson-number,
.lesson-count {
  color: var(--ink-faint);
  font-size: 0.77rem;
  font-weight: 800;
}

.lesson-info {
  display: grid;
  gap: 5px;
}

.lesson-info strong {
  font-size: 1.05rem;
  letter-spacing: -0.03em;
}

.lesson-info small {
  color: var(--ink-soft);
  font-family: var(--font-hanja);
  letter-spacing: 0.05em;
}

.page-heading {
  max-width: 760px;
  padding: 54px 0 30px;
}

.page-heading > p:last-of-type {
  margin: 18px 0 0;
  color: var(--ink-soft);
}

.inline-progress {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 14px;
  max-width: 440px;
  margin-top: 26px;
}

.inline-progress progress {
  width: 100%;
  height: 7px;
}

.inline-progress span {
  font-size: 0.78rem;
  font-weight: 800;
}

.status-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 20px;
  padding: 16px 0;
  border-top: 1px solid var(--line-strong);
  border-bottom: 1px solid var(--line);
}

.status-legend span {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: var(--ink-soft);
  font-size: 0.72rem;
}

.legend-dot {
  width: 9px;
  height: 9px;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
}

.legend-dot.is-learning { background: var(--paper-deep); }
.legend-dot.is-due { background: var(--accent); border-color: var(--accent); }
.legend-dot.is-mastered { background: var(--ink); border-color: var(--ink); }

.library-groups {
  padding-top: 20px;
}

.library-group {
  padding: 28px 0 30px;
  border-bottom: 1px solid var(--line-strong);
}

.library-group-heading {
  display: grid;
  grid-template-columns: 34px 1fr;
  align-items: baseline;
  gap: 3px 8px;
  margin-bottom: 20px;
}

.library-group-heading > span {
  grid-row: 1 / 3;
  color: var(--accent-dark);
  font-size: 0.74rem;
  font-weight: 800;
}

.library-group-heading h2 {
  margin: 0;
  font-size: 1.25rem;
  letter-spacing: -0.04em;
}

.library-group-heading small {
  color: var(--ink-soft);
}

.character-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 8px;
}

.character-tile {
  position: relative;
  display: grid;
  place-items: center;
  min-width: 0;
  min-height: 102px;
  padding: 10px 4px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: rgba(250, 248, 242, 0.45);
  cursor: pointer;
}

.character-tile strong {
  font-family: var(--font-hanja);
  font-size: 2.5rem;
  font-weight: 500;
  line-height: 1;
}

.character-tile span {
  overflow: hidden;
  max-width: 100%;
  color: var(--ink-soft);
  font-size: 0.66rem;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.character-tile i {
  position: absolute;
  top: 8px;
  right: 8px;
  width: 7px;
  height: 7px;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
}

.character-tile.is-learning i { background: var(--paper-deep); }
.character-tile.is-due i { background: var(--accent); border-color: var(--accent); }
.character-tile.is-mastered i { background: var(--ink); border-color: var(--ink); }

.character-tile:hover {
  z-index: 2;
  border-color: var(--ink);
  background: var(--paper-soft);
  transform: translateY(-2px);
}

.review-hero {
  display: grid;
  justify-items: start;
  max-width: 720px;
  padding: 62px 0 50px;
}

.review-count {
  margin: 22px 0 0;
  color: var(--accent);
  font-family: var(--font-hanja);
  font-size: clamp(6rem, 32vw, 13rem);
  font-weight: 500;
  line-height: 0.8;
}

.review-hero > p:not(.eyebrow) {
  margin: 28px 0 22px;
  color: var(--ink-soft);
}

.review-list-section {
  padding: 28px 0;
  border-top: 1px solid var(--line-strong);
}

.review-character-list {
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
  list-style: none;
}

.review-character-list li {
  border-bottom: 1px solid var(--line);
}

.review-character-list button {
  display: grid;
  grid-template-columns: 54px 1fr auto 22px;
  align-items: center;
  gap: 10px;
  width: 100%;
  min-height: 70px;
  padding: 8px 4px;
  border: 0;
  background: transparent;
  text-align: left;
  cursor: pointer;
}

.review-character-list strong {
  font-family: var(--font-hanja);
  font-size: 2rem;
  font-weight: 500;
}

.review-character-list span {
  font-weight: 800;
}

.review-character-list small {
  color: var(--ink-soft);
}

.empty-state {
  display: grid;
  place-items: center;
  min-height: 360px;
  padding: 40px 20px;
  text-align: center;
}

.empty-state > span {
  color: var(--accent);
  font-family: var(--font-hanja);
  font-size: 7rem;
}

.empty-state p {
  color: var(--ink-soft);
  line-height: 1.7;
}

body[data-route="session"] .topbar,
body[data-route="session"] .primary-nav,
body[data-route="session"] .app-footer,
body[data-route="check"] .topbar,
body[data-route="check"] .primary-nav,
body[data-route="check"] .app-footer {
  display: none;
}

body[data-route="session"] .main-content,
body[data-route="check"] .main-content {
  width: 100%;
  max-width: none;
  padding: 0;
}

.session-header {
  position: sticky;
  top: 0;
  z-index: 50;
  display: grid;
  grid-template-columns: 52px minmax(0, 420px) 52px;
  align-items: center;
  justify-content: center;
  gap: 12px;
  min-height: 76px;
  padding: 10px 16px;
  background: color-mix(in srgb, var(--paper) 93%, transparent);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(18px);
}

.session-header > div {
  display: grid;
  gap: 7px;
}

.session-header > div span {
  color: var(--ink-soft);
  font-size: 0.72rem;
  font-weight: 800;
  text-align: center;
}

.session-header progress {
  width: 100%;
  height: 5px;
}

.session-mini-glyph {
  font-family: var(--font-hanja);
  font-size: 1.4rem;
  text-align: center;
}

.learning-screen,
.check-screen {
  display: grid;
  align-content: start;
  width: min(100% - 36px, 760px);
  min-height: calc(100svh - 76px);
  margin: 0 auto;
  padding: 34px 0 max(36px, env(safe-area-inset-bottom));
}

.learning-prompt {
  text-align: center;
}

.learning-prompt .view-heading,
.check-screen .view-heading {
  font-size: clamp(2rem, 8vw, 3.4rem);
}

.learning-prompt > p:last-child {
  margin: 12px 0 0;
  color: var(--ink-soft);
  font-size: 0.9rem;
}

.scene-stage {
  position: relative;
  display: grid;
  place-items: center;
  min-height: clamp(245px, 34svh, 340px);
  margin: 20px 0 16px;
  overflow: hidden;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  color: var(--ink);
}

.scene-art {
  width: min(100%, 650px);
  transition: opacity 520ms ease, transform 620ms cubic-bezier(0.2, 0.8, 0.2, 1), filter 520ms ease;
}

.scene-svg {
  display: block;
  width: 100%;
  height: auto;
  overflow: visible;
}

.scene-video {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 18px;
  object-fit: cover;
}

.scene-svg * {
  vector-effect: non-scaling-stroke;
}

.scene-svg path,
.scene-svg circle,
.scene-svg rect {
  stroke: currentColor;
  stroke-width: 8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.scene-description {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 12px;
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.72rem;
  text-align: center;
}

.glyph-reveal {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  pointer-events: none;
}

.glyph-reveal span {
  color: var(--ink);
  font-family: var(--font-hanja);
  font-size: clamp(9rem, 42vw, 18rem);
  font-weight: 500;
  line-height: 1;
  opacity: 0;
  filter: blur(16px);
  transform: scale(0.62) rotate(-3deg);
  transition: opacity 520ms ease 140ms, transform 720ms cubic-bezier(0.18, 0.9, 0.22, 1.15) 120ms, filter 560ms ease 140ms;
  view-transition-name: learning-glyph;
}

.scene-stage.is-revealed .scene-art {
  opacity: 0.1;
  filter: blur(3px);
  transform: scale(0.9);
}

.scene-stage.is-revealed .glyph-reveal span {
  opacity: 1;
  filter: blur(0);
  transform: scale(1) rotate(0);
}

.choice-list {
  display: grid;
  gap: 9px;
  margin-top: 4px;
}

.choice-button {
  display: grid;
  grid-template-columns: 36px 1fr 24px;
  align-items: center;
  gap: 10px;
  width: 100%;
  min-height: 58px;
  padding: 8px 14px 8px 10px;
  border: 1px solid var(--line-strong);
  border-radius: 15px;
  background: rgba(250, 248, 242, 0.7);
  text-align: left;
  cursor: pointer;
}

.choice-button:hover:not(:disabled) {
  border-color: var(--ink);
  background: var(--paper-soft);
}

.choice-button:disabled {
  cursor: default;
}

.choice-key {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border: 1px solid var(--line);
  border-radius: 50%;
  color: var(--ink-faint);
  font-size: 0.72rem;
  font-weight: 800;
}

.choice-button strong {
  font-size: 1rem;
  letter-spacing: -0.02em;
}

.choice-button.is-correct {
  border-color: var(--success);
  color: var(--success);
}

.choice-button.is-wrong {
  border-color: var(--danger);
  color: var(--danger);
}

.choice-button svg {
  width: 20px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
}

.answer-feedback {
  min-height: 24px;
  margin: 12px 0 0;
  color: var(--danger);
  font-size: 0.78rem;
  font-weight: 700;
  text-align: center;
  opacity: 0;
}

.answer-feedback.is-visible {
  opacity: 1;
}

.reveal-screen .scene-stage {
  min-height: clamp(300px, 46svh, 440px);
}

.character-reading {
  display: grid;
  justify-items: center;
  padding: 6px 0 22px;
  text-align: center;
}

.note-label {
  display: inline-block;
  margin-bottom: 10px;
  color: var(--accent-dark);
  font-size: 0.69rem;
  font-weight: 850;
  letter-spacing: 0.08em;
}

.character-reading h2 {
  margin: 0;
  font-size: 2.15rem;
  letter-spacing: -0.06em;
}

.character-reading h2 strong {
  color: var(--accent);
}

.character-reading p {
  margin: 8px 0 12px;
  color: var(--ink-soft);
  font-size: 0.76rem;
}

.listen-button {
  min-height: 44px;
  padding: 0 15px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  background: transparent;
  font-size: 0.78rem;
}

.note-copy {
  padding: 20px 0 24px;
  border-top: 1px solid var(--line);
}

.note-copy p {
  margin: 0;
  font-weight: 700;
  line-height: 1.6;
}

.note-copy small {
  display: block;
  margin-top: 7px;
  color: var(--ink-soft);
  line-height: 1.55;
}

.stroke-screen {
  gap: 18px;
}

.stroke-screen .learning-prompt span {
  color: var(--accent);
  font-family: var(--font-hanja);
}

.stroke-practice-shell {
  position: relative;
  display: grid;
  place-items: center;
  width: min(100%, 324px);
  aspect-ratio: 1;
  margin: 0 auto;
  overflow: hidden;
  border: 1px solid var(--line-strong);
  border-radius: 24px;
  background: var(--paper-soft);
  box-shadow: var(--shadow-soft);
}

.stroke-grid {
  position: absolute;
  inset: 16px;
  background:
    linear-gradient(90deg, transparent calc(50% - 0.5px), var(--line) 50%, transparent calc(50% + 0.5px)),
    linear-gradient(transparent calc(50% - 0.5px), var(--line) 50%, transparent calc(50% + 0.5px));
  border: 1px dashed var(--line);
  pointer-events: none;
}

.stroke-writer {
  position: relative;
  z-index: 1;
  display: grid;
  place-items: center;
  width: 280px;
  height: 280px;
  touch-action: none;
  user-select: none;
}

.stroke-writer svg {
  display: block;
  max-width: 100%;
  height: auto;
}

.stroke-fallback {
  color: var(--ink-soft);
  font-family: var(--font-hanja);
  font-size: 11rem;
}

.stroke-status {
  min-height: 24px;
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.82rem;
  font-weight: 700;
  line-height: 1.5;
  text-align: center;
}

.stroke-actions {
  display: flex;
  justify-content: center;
  gap: 10px;
}

.stroke-access-note {
  margin: -4px auto 0;
  color: var(--ink-faint);
  font-size: 0.7rem;
  line-height: 1.5;
  text-align: center;
}

.sticky-action {
  width: 100%;
  margin-top: auto;
}

.words-screen {
  gap: 28px;
}

.words-screen .learning-prompt span {
  color: var(--accent);
  font-family: var(--font-hanja);
}

.word-family {
  display: grid;
  gap: 0;
  border-top: 1px solid var(--line-strong);
}

.word-family article {
  display: grid;
  grid-template-columns: 118px 1fr;
  align-items: center;
  gap: 20px;
  min-height: 135px;
  padding: 18px 4px;
  border-bottom: 1px solid var(--line);
}

.word-hanja {
  font-family: var(--font-hanja);
  font-size: clamp(2.5rem, 11vw, 4.3rem);
  letter-spacing: 0.02em;
  text-align: center;
  white-space: nowrap;
}

.word-hanja mark {
  background: transparent;
  color: var(--accent);
}

.word-family h2 {
  margin: 0;
  font-size: 1.3rem;
}

.word-family p {
  margin: 7px 0 0;
  color: var(--ink-soft);
  font-size: 0.86rem;
  line-height: 1.5;
}

.context-sentence {
  margin: -4px 0 0;
  padding: 20px 22px;
  border: 1px solid var(--line);
  border-left: 4px solid var(--accent);
  border-radius: 0 16px 16px 0;
  background: rgba(250, 248, 242, 0.58);
}

.context-sentence span {
  color: var(--accent-dark);
  font-size: 0.7rem;
  font-weight: 850;
  letter-spacing: 0.08em;
}

.context-sentence p {
  margin: 8px 0 0;
  font-size: 1.02rem;
  font-weight: 700;
  line-height: 1.65;
}

.context-sentence mark,
.review-recap-copy blockquote mark {
  background: linear-gradient(transparent 58%, var(--accent-soft) 58%);
  color: inherit;
}

.word-link-line,
.memory-path {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  color: var(--ink-soft);
  font-size: 0.75rem;
}

.word-link-line span:first-child,
.memory-path span:nth-of-type(2) {
  color: var(--accent);
  font-family: var(--font-hanja);
  font-size: 1.5rem;
}

.word-link-line i,
.memory-path i {
  width: 24px;
  height: 1px;
  background: var(--line-strong);
}

.recall-screen {
  align-content: center;
  padding-bottom: 60px;
}

.recall-glyph,
.check-glyph {
  margin: 30px 0;
  font-family: var(--font-hanja);
  font-size: clamp(9rem, 46vw, 18rem);
  font-weight: 500;
  line-height: 0.9;
  text-align: center;
  view-transition-name: recall-glyph;
}

.feedback-screen {
  align-content: center;
  justify-items: center;
  text-align: center;
}

.success-mark {
  display: grid;
  place-items: center;
  width: 72px;
  height: 72px;
  margin-bottom: 20px;
  border: 1px solid var(--success);
  border-radius: 50%;
  color: var(--success);
}

.success-mark svg {
  width: 32px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
}

.feedback-screen .view-heading span {
  color: var(--accent);
  font-family: var(--font-hanja);
  font-size: 1.35em;
  font-weight: 500;
}

.feedback-screen > p:not(.eyebrow) {
  color: var(--ink-soft);
}

.review-recap-screen {
  gap: 20px;
}

.review-recap-result {
  display: grid;
  place-items: center;
  width: 58px;
  height: 58px;
  margin-inline: auto;
  border: 1px solid currentColor;
  border-radius: 50%;
}

.review-recap-result.is-correct { color: var(--success); }
.review-recap-result.is-wrong { color: var(--danger); }

.review-recap-result svg {
  width: 27px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
}

.review-recap-screen .view-heading span {
  color: var(--accent);
  font-family: var(--font-hanja);
  font-weight: 500;
}

.review-recap-body {
  display: grid;
  align-items: center;
  gap: 16px;
  padding-block: 10px 4px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.review-recap-scene {
  display: grid;
  place-items: center;
  min-height: 180px;
  overflow: hidden;
  color: var(--ink);
}

.review-recap-scene .scene-svg {
  width: min(100%, 330px);
}

.review-recap-copy {
  display: grid;
  gap: 12px;
  padding: 0 4px 18px;
}

.review-recap-copy > p {
  margin: 0 0 3px;
  font-weight: 700;
  line-height: 1.55;
}

.review-recap-copy > div {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 18px;
  padding-top: 10px;
  border-top: 1px solid var(--line);
}

.review-recap-copy blockquote {
  margin: 18px 0 0;
  padding: 14px 16px;
  border-left: 3px solid var(--accent);
  background: rgba(250, 248, 242, 0.55);
  color: var(--ink-soft);
  font-size: 0.82rem;
  line-height: 1.55;
}

.review-recap-copy strong span {
  color: var(--accent-dark);
  font-family: var(--font-hanja);
}

.review-recap-copy small {
  color: var(--ink-soft);
  text-align: right;
}

.memory-path {
  margin: 28px 0;
}

.check-header > strong {
  text-align: center;
}

.check-screen {
  align-content: center;
  text-align: center;
}

.check-screen .choice-list {
  text-align: left;
}

.check-feedback {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  margin: 14px 0;
  padding: 14px 4px;
  border-bottom: 1px solid currentColor;
  font-size: 0.8rem;
}

.check-feedback.is-correct { color: var(--success); }
.check-feedback.is-wrong { color: var(--danger); }

.check-result {
  display: grid;
  place-items: center;
  min-height: 100svh;
  padding: 40px 20px;
  text-align: center;
}

.result-orbit {
  display: grid;
  place-content: center;
  width: min(58vw, 250px);
  aspect-ratio: 1;
  margin-bottom: 30px;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  box-shadow: inset 0 0 0 22px rgba(239, 107, 74, 0.07);
}

.result-orbit.is-pass {
  border-color: var(--success);
  box-shadow: inset 0 0 0 22px rgba(45, 107, 80, 0.07);
}

.result-orbit strong {
  color: var(--accent);
  font-family: var(--font-hanja);
  font-size: 5.5rem;
  line-height: 0.9;
}

.result-orbit span {
  color: var(--ink-soft);
}

.check-result .view-heading {
  max-width: 780px;
  font-size: clamp(2.2rem, 8vw, 4.4rem);
}

.check-result > p:not(.eyebrow) {
  color: var(--ink-soft);
}

.result-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px 22px;
  margin-top: 24px;
}

.settings-list {
  border-top: 1px solid var(--line-strong);
}

.settings-list > div {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  min-height: 88px;
  padding: 14px 2px;
  border-bottom: 1px solid var(--line);
}

.settings-list > div > span {
  display: grid;
  gap: 5px;
}

.settings-list small {
  color: var(--ink-soft);
}

.settings-list > .account-settings {
  display: grid;
  gap: 16px;
  padding: 24px 2px;
  border-bottom: 1px solid var(--line);
}

.account-settings-heading {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 20px;
}

.account-settings-heading > span {
  display: grid;
  min-width: 0;
  gap: 5px;
}

.account-state {
  flex: 0 0 auto;
  color: var(--success-dark, var(--ink));
  font-size: 0.75rem;
}

.account-state.is-offline,
.account-auth-message.is-error {
  color: var(--accent-dark);
}

.account-mode {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border: 1px solid var(--ink);
}

.account-mode button {
  min-height: 46px;
  border: 0;
  border-radius: 0;
  background: transparent;
  color: var(--ink);
  font: inherit;
  font-weight: 850;
  cursor: pointer;
}

.account-mode button + button { border-left: 1px solid var(--ink); }
.account-mode button[aria-pressed="true"] { background: var(--ink); color: var(--paper); }

.account-auth-form {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.account-auth-form label {
  display: grid;
  min-width: 0;
  gap: 7px;
  font-size: 0.72rem;
  font-weight: 850;
}

.account-auth-form input {
  width: 100%;
  min-width: 0;
  min-height: 50px;
  padding: 10px 12px;
  border: 2px solid var(--ink);
  border-radius: 0;
  background: var(--paper-soft);
  color: var(--ink);
  font: inherit;
}

.account-auth-form > .primary-button {
  grid-column: 1 / -1;
  min-height: 52px;
}

.account-sign-out {
  width: fit-content;
  min-height: 48px;
}

.account-note,
.account-auth-message {
  max-width: 800px;
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.72rem;
  font-weight: 720;
  line-height: 1.6;
}

.account-auth-message { color: var(--success-dark, var(--ink)); }

.account-mode button:focus-visible,
.account-auth-form input:focus-visible,
.account-auth-form button:focus-visible,
.account-sign-out:focus-visible {
  outline: 3px solid var(--accent-dark);
  outline-offset: 3px;
}

.policy-copy {
  max-width: 900px;
  border-top: 1px solid var(--line-strong);
}

.policy-copy > section {
  display: grid;
  grid-template-columns: 42px 1fr;
  gap: 18px;
  padding: 28px 2px;
  border-bottom: 1px solid var(--line);
}

.policy-copy > section > span {
  color: var(--accent-dark);
  font-size: 0.72rem;
  font-weight: 850;
}

.policy-copy h2 {
  margin: 0;
  font-size: 1.3rem;
}

.policy-copy p {
  margin: 8px 0 0;
  color: var(--ink-soft);
  line-height: 1.7;
}

.policy-copy aside {
  margin-top: 26px;
  padding: 18px 20px;
  border-left: 3px solid var(--accent);
  background: rgba(250, 248, 242, 0.65);
  color: var(--ink-soft);
  font-size: 0.82rem;
  line-height: 1.65;
}

.switch {
  display: flex;
  align-items: center;
  gap: 7px;
  min-height: 44px;
  padding: 5px 10px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  background: transparent;
  cursor: pointer;
}

.switch i {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--ink-faint);
}

.switch[aria-pressed="true"] i {
  background: var(--accent);
}

.quiet-danger {
  min-height: 44px;
  padding: 0 14px;
  border: 1px solid var(--danger);
  border-radius: 999px;
  background: transparent;
  color: var(--danger);
  cursor: pointer;
}

.confirmation-backdrop {
  position: fixed;
  z-index: 200;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 20px;
  background: rgba(18, 26, 23, 0.52);
  backdrop-filter: blur(8px);
}

.confirmation-dialog {
  width: min(100%, 520px);
  padding: clamp(26px, 6vw, 42px);
  border: 1px solid var(--line-strong);
  border-radius: 26px;
  background: var(--paper-soft);
  box-shadow: 0 34px 90px rgba(13, 20, 17, 0.28);
}

.confirmation-dialog:focus {
  outline: none;
}

.confirmation-dialog h2 {
  margin: 0;
  font-size: clamp(1.7rem, 6vw, 2.5rem);
  letter-spacing: -0.055em;
  text-wrap: balance;
}

.confirmation-dialog > p:not(.eyebrow) {
  margin: 16px 0 26px;
  color: var(--ink-soft);
  line-height: 1.7;
}

.confirmation-dialog > div {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
}

.primary-button.is-danger {
  background: var(--danger);
}

.primary-button.is-danger:hover {
  background: #7f3027;
}

.exam-callout {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 30px 2px;
  border-bottom: 1px solid var(--line-strong);
}

.exam-callout h2 {
  margin: 0;
  font-size: clamp(1.6rem, 5vw, 2.5rem);
  letter-spacing: -0.055em;
}

.exam-callout p:not(.eyebrow) {
  margin: 8px 0 0;
  color: var(--ink-soft);
  font-size: 0.82rem;
}

.exam-callout-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 18px;
}

.exam-callout svg,
.exam-history-list svg,
.wrong-note-list svg,
.report-latest-exam svg,
.report-weak-list svg,
.exam-wrong-results svg {
  width: 20px;
  height: 20px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.exam-hero {
  position: relative;
  display: grid;
  align-items: center;
  min-height: min(720px, 78svh);
  padding: 60px 0;
  overflow: hidden;
  border-bottom: 1px solid var(--line-strong);
}

.exam-hero-copy {
  position: relative;
  z-index: 2;
  max-width: 720px;
}

.exam-hero-copy > p:not(.eyebrow) {
  max-width: 640px;
  margin: 22px 0 0;
  color: var(--ink-soft);
  line-height: 1.7;
}

.exam-facts {
  display: flex;
  flex-wrap: wrap;
  gap: 0;
  margin: 28px 0;
  border-top: 1px solid var(--line-strong);
  border-bottom: 1px solid var(--line-strong);
}

.exam-facts span {
  display: grid;
  gap: 2px;
  min-width: 90px;
  padding: 15px 18px;
  border-right: 1px solid var(--line);
  color: var(--ink-soft);
  font-size: 0.68rem;
  text-align: center;
}

.exam-facts strong {
  color: var(--ink);
  font-family: var(--font-hanja);
  font-size: 1.4rem;
  font-weight: 600;
}

.exam-start-button {
  min-width: 210px;
}

.exam-hero-mark {
  position: absolute;
  right: -5%;
  bottom: -6%;
  display: grid;
  width: min(48vw, 470px);
  aspect-ratio: 1;
  place-content: center;
  border: 1px solid var(--line);
  border-radius: 50%;
  color: var(--ink);
  font-family: var(--font-hanja);
  text-align: center;
  opacity: 0.085;
}

.exam-hero-mark span {
  font-size: clamp(8rem, 24vw, 16rem);
  line-height: 0.7;
}

.exam-hero-mark i {
  font-size: clamp(2rem, 6vw, 4rem);
  font-style: normal;
  letter-spacing: 0.3em;
}

.active-exam-card {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 4px 20px;
  max-width: 560px;
  padding: 20px;
  border: 1px solid var(--accent);
  border-radius: var(--radius-medium);
  background: rgba(247, 199, 185, 0.18);
}

.active-exam-card span {
  color: var(--accent-dark);
  font-size: 0.72rem;
  font-weight: 850;
}

.active-exam-card strong {
  font-size: 1.2rem;
}

.active-exam-card .primary-button {
  grid-column: 2;
  grid-row: 1 / 3;
}

.active-exam-card + .text-button {
  margin-top: 12px;
  color: var(--danger);
  font-size: 0.75rem;
}

.exam-qualification-note {
  max-width: 620px;
  margin: 18px 0 0;
  color: var(--ink-faint);
  font-size: 0.72rem;
  line-height: 1.6;
}

.exam-history-section,
.wrong-note-section {
  padding: 48px 0;
  border-bottom: 1px solid var(--line-strong);
}

.exam-history-list,
.wrong-note-list,
.report-weak-list {
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
  list-style: none;
}

.exam-history-list li,
.wrong-note-list li,
.report-weak-list li {
  border-bottom: 1px solid var(--line);
}

.exam-history-list button {
  display: grid;
  grid-template-columns: 76px 1fr 24px;
  align-items: center;
  gap: 18px;
  width: 100%;
  min-height: 92px;
  padding: 10px 4px;
  border: 0;
  background: transparent;
  text-align: left;
  cursor: pointer;
}

.exam-history-list button > span:nth-child(2) {
  display: grid;
  gap: 5px;
}

.exam-history-list small {
  color: var(--ink-soft);
  line-height: 1.5;
}

.exam-history-score {
  color: var(--accent-dark);
  font-size: 0.72rem;
}

.exam-history-score.is-pass {
  color: var(--success);
}

.exam-history-score strong {
  font-family: var(--font-hanja);
  font-size: 2.2rem;
}

.section-count {
  color: var(--ink-soft);
  font-size: 0.78rem;
  font-weight: 800;
}

.wrong-note-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0 24px;
}

.wrong-note-list button,
.report-weak-list button {
  display: grid;
  grid-template-columns: 52px 1fr 22px;
  align-items: center;
  gap: 13px;
  width: 100%;
  min-height: 76px;
  padding: 8px 2px;
  border: 0;
  background: transparent;
  text-align: left;
  cursor: pointer;
}

.wrong-note-list button > strong,
.report-weak-list button > strong {
  font-family: var(--font-hanja);
  font-size: 2.15rem;
  font-weight: 500;
}

.wrong-note-list button > span,
.report-weak-list button > span {
  display: grid;
  gap: 4px;
}

.wrong-note-list small,
.report-weak-list small {
  color: var(--ink-soft);
}

.quiet-empty {
  margin: 0;
  padding: 28px 2px;
  border-top: 1px solid var(--line);
  color: var(--ink-soft);
  line-height: 1.65;
}

.empty-state.compact {
  min-height: 220px;
}

.empty-state.compact > span {
  font-size: 4rem;
}

body[data-route="exam-session"] .topbar,
body[data-route="exam-session"] .primary-nav,
body[data-route="exam-session"] .app-footer {
  display: none;
}

body[data-route="exam-session"] .main-content {
  width: 100%;
  max-width: none;
  padding: 0;
}

.exam-session-header {
  position: sticky;
  top: 0;
  z-index: 55;
  display: grid;
  grid-template-columns: 52px minmax(0, 440px) 70px;
  align-items: center;
  justify-content: center;
  gap: 12px;
  min-height: 76px;
  padding: 10px 16px;
  border-bottom: 1px solid var(--line);
  background: color-mix(in srgb, var(--paper) 94%, transparent);
  backdrop-filter: blur(18px);
}

.exam-session-header > div {
  display: grid;
  gap: 7px;
}

.exam-session-header > div span {
  color: var(--ink-soft);
  font-size: 0.72rem;
  font-weight: 800;
  text-align: center;
}

.exam-session-header progress {
  width: 100%;
  height: 5px;
}

.exam-timer {
  font-variant-numeric: tabular-nums;
  font-size: 0.88rem;
  font-weight: 850;
  text-align: center;
}

.exam-timer.is-urgent {
  color: var(--danger);
}

.exam-question-screen {
  display: grid;
  align-content: start;
  width: min(100% - 36px, 880px);
  min-height: calc(100svh - 76px);
  margin: 0 auto;
  padding: 34px 0 max(46px, env(safe-area-inset-bottom));
}

.exam-question-heading {
  text-align: center;
}

.exam-question-heading h1 {
  margin: 0;
  font-size: clamp(1.8rem, 6vw, 3rem);
  letter-spacing: -0.055em;
}

.exam-question-heading > p:last-child {
  margin: 10px 0 0;
  color: var(--ink-soft);
  font-size: 0.8rem;
}

.exam-question-glyph {
  margin: 26px 0 20px;
  font-family: var(--font-hanja);
  font-size: clamp(7.5rem, 35vw, 13rem);
  font-weight: 500;
  line-height: 0.85;
  text-align: center;
}

.exam-text-choices {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.exam-choice {
  display: grid;
  grid-template-columns: 36px 1fr;
  align-items: center;
  gap: 12px;
  min-height: 66px;
  padding: 9px 14px 9px 10px;
  border: 1px solid var(--line-strong);
  border-radius: 16px;
  background: rgba(250, 248, 242, 0.7);
  text-align: left;
  cursor: pointer;
}

.exam-choice > span {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border: 1px solid var(--line);
  border-radius: 50%;
  color: var(--ink-faint);
  font-size: 0.74rem;
  font-weight: 850;
}

.exam-choice.is-selected,
.exam-stroke-choice.is-selected {
  border-color: var(--accent);
  background: rgba(247, 199, 185, 0.24);
  box-shadow: inset 0 0 0 1px var(--accent);
}

.exam-choice.is-selected > span {
  border-color: var(--accent);
  background: var(--accent);
  color: white;
}

.exam-stroke-choices {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.exam-stroke-choice {
  position: relative;
  padding: 8px;
  border: 1px solid var(--line-strong);
  border-radius: 18px;
  background: transparent;
  cursor: pointer;
}

.exam-stroke-choice > span {
  position: absolute;
  top: 14px;
  left: 14px;
  z-index: 2;
  padding: 4px 8px;
  border-radius: 999px;
  background: var(--ink);
  color: white;
  font-size: 0.66rem;
  font-weight: 850;
}

.stroke-order-diagram {
  display: block;
  width: 100%;
  height: auto;
}

.exam-question-actions {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 12px;
  margin-top: 26px;
}

.exam-question-actions .primary-button {
  justify-self: end;
}

.exam-question-actions .secondary-button {
  justify-self: start;
}

.exam-question-actions > span {
  color: var(--ink-soft);
  font-size: 0.74rem;
  font-weight: 800;
}

.exam-palette {
  margin-top: 30px;
  padding: 16px 0;
  border-top: 1px solid var(--line-strong);
  border-bottom: 1px solid var(--line-strong);
}

.exam-palette summary {
  cursor: pointer;
  color: var(--ink-soft);
  font-size: 0.8rem;
  font-weight: 800;
}

.exam-palette > div {
  display: grid;
  grid-template-columns: repeat(10, 1fr);
  gap: 6px;
  margin-top: 14px;
}

.exam-palette button {
  display: grid;
  place-items: center;
  min-width: 0;
  aspect-ratio: 1;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: transparent;
  color: var(--ink-soft);
  cursor: pointer;
  font-size: 0.68rem;
}

.exam-palette button.is-answered {
  border-color: var(--ink);
  background: var(--ink);
  color: white;
}

.exam-palette button.is-current {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.exam-submit-button {
  min-height: 52px;
  margin-top: 18px;
  border: 1px solid var(--danger);
  border-radius: 999px;
  background: transparent;
  color: var(--danger);
  cursor: pointer;
  font-weight: 850;
}

.exam-integrity-note {
  margin: 12px auto 0;
  color: var(--ink-faint);
  font-size: 0.7rem;
  line-height: 1.55;
  text-align: center;
}

.exam-result-hero {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: center;
  gap: clamp(28px, 7vw, 80px);
  min-height: 520px;
  padding: 50px 0;
  border-bottom: 1px solid var(--line-strong);
}

.exam-result-hero .result-orbit {
  margin: 0;
}

.exam-result-hero .view-heading {
  font-size: clamp(2.3rem, 7vw, 4.8rem);
}

.exam-result-hero > div:last-child > p:last-child {
  color: var(--ink-soft);
}

.exam-section-scores {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-bottom: 1px solid var(--line-strong);
}

.exam-section-scores article {
  display: grid;
  gap: 8px;
  padding: 24px;
  border-right: 1px solid var(--line);
}

.exam-section-scores article:last-child {
  border-right: 0;
}

.exam-section-scores span {
  color: var(--ink-soft);
  font-size: 0.75rem;
  font-weight: 800;
}

.exam-section-scores strong {
  font-family: var(--font-hanja);
  font-size: 2.2rem;
  font-weight: 600;
}

.exam-section-scores small {
  color: var(--ink-soft);
  font-size: 0.48em;
}

.exam-section-scores progress {
  width: 100%;
  height: 6px;
}

.result-actions-wide {
  padding: 28px 0;
}

.exam-wrong-results {
  padding: 48px 0;
  border-top: 1px solid var(--line-strong);
}

.exam-wrong-results > ol {
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
  list-style: none;
}

.exam-wrong-results > ol > li {
  display: grid;
  grid-template-columns: 34px 66px minmax(0, 1fr) auto;
  align-items: center;
  gap: 16px;
  min-height: 104px;
  padding: 14px 2px;
  border-bottom: 1px solid var(--line);
}

.wrong-number {
  color: var(--ink-faint);
  font-size: 0.72rem;
  font-weight: 800;
}

.wrong-glyph {
  font-family: var(--font-hanja);
  font-size: 3rem;
  font-weight: 500;
}

.exam-wrong-results li > div > span {
  font-weight: 800;
}

.exam-wrong-results li p {
  margin: 6px 0 0;
  color: var(--ink-soft);
  font-size: 0.8rem;
}

.exam-wrong-results del {
  color: var(--danger);
}

.exam-wrong-results b {
  color: var(--success);
}

.result-stroke-correction {
  width: 132px;
  margin-top: 12px;
}

.report-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 24px;
  padding: 54px 0 34px;
}

.report-heading > div > p:last-child {
  color: var(--ink-soft);
}

.report-summary {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--line-strong);
  border-bottom: 1px solid var(--line-strong);
}

.report-summary article {
  display: grid;
  gap: 8px;
  padding: 24px 18px;
  border-right: 1px solid var(--line);
}

.report-summary article:last-child {
  border-right: 0;
}

.report-summary span {
  color: var(--ink-soft);
  font-size: 0.72rem;
  font-weight: 800;
}

.report-summary strong {
  font-family: var(--font-hanja);
  font-size: 2.5rem;
  font-weight: 600;
}

.report-summary small {
  color: var(--ink-soft);
  font-size: 0.45em;
}

.report-panel {
  padding: 38px 0;
  border-bottom: 1px solid var(--line-strong);
}

.report-panel-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 24px;
}

.report-panel-heading h2 {
  margin: 0;
  font-size: clamp(1.5rem, 4vw, 2.2rem);
  letter-spacing: -0.05em;
}

.report-panel-heading > p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.8rem;
}

.weekly-bars {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  align-items: end;
  gap: 8px;
  height: 190px;
  padding-top: 10px;
  border-bottom: 1px solid var(--line-strong);
}

.weekly-bars > div {
  display: grid;
  grid-template-rows: 1fr auto;
  justify-items: center;
  align-self: stretch;
  gap: 9px;
}

.weekly-bars span {
  position: relative;
  align-self: end;
  width: min(58px, 72%);
  height: var(--bar-height);
  min-height: 5px;
  border-radius: 9px 9px 0 0;
  background: var(--accent);
}

.weekly-bars i {
  position: absolute;
  top: -22px;
  left: 50%;
  color: var(--ink-soft);
  font-size: 0.68rem;
  font-style: normal;
  font-weight: 800;
  transform: translateX(-50%);
}

.weekly-bars small {
  padding-bottom: 8px;
  color: var(--ink-soft);
  font-size: 0.7rem;
}

.report-two-column {
  display: grid;
  gap: 34px;
}

.report-weak-list button {
  min-height: 72px;
}

.domain-accuracy {
  margin: 0;
  border-top: 1px solid var(--line);
}

.domain-accuracy > div {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  min-height: 66px;
  border-bottom: 1px solid var(--line);
}

.domain-accuracy dt {
  font-weight: 800;
}

.domain-accuracy dd {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin: 0;
}

.domain-accuracy dd strong {
  font-family: var(--font-hanja);
  font-size: 1.6rem;
}

.domain-accuracy dd span {
  color: var(--ink-soft);
  font-size: 0.72rem;
}

.report-latest-exam {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  width: 100%;
  min-height: 70px;
  margin-top: 18px;
  padding: 0 4px;
  border: 0;
  border-bottom: 1px solid var(--line);
  background: transparent;
  cursor: pointer;
}

.report-latest-exam span {
  color: var(--ink-soft);
}

.report-latest-exam strong {
  margin-left: auto;
  font-family: var(--font-hanja);
  font-size: 1.8rem;
}

.report-guidance {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 20px;
  margin: 34px 0 20px;
  padding: 22px 24px;
  border-left: 4px solid var(--accent);
  background: rgba(250, 248, 242, 0.62);
}

.report-guidance p {
  margin: 0;
  color: var(--ink-soft);
  line-height: 1.6;
}

.license-copy .quiet-link {
  margin-top: 12px;
}

.license-copy code {
  word-break: break-all;
}

/* Code-drawn scene system */
.scene-svg .horizon,
.scene-svg .ground,
.scene-svg .season-line {
  fill: none;
  stroke: var(--line-strong);
  stroke-width: 4;
}

.scene-svg .sun,
.scene-svg .sun-small,
.scene-svg .korea-sun,
.scene-svg .compass-light,
.scene-svg .target-center,
.scene-svg .jewel,
.scene-svg .count-dot,
.scene-svg .many-dot,
.scene-svg .road-dot {
  fill: var(--accent);
  stroke: var(--accent);
}

.scene-svg .sun-rays,
.scene-svg .shine,
.scene-svg .light-rays,
.scene-svg .scene-accent,
.scene-svg .star,
.scene-svg .snowflake {
  fill: none;
  stroke: var(--accent);
  stroke-width: 7;
}

.scene-svg .hill,
.scene-svg .mountain-back,
.scene-svg .leaf-cloud,
.scene-svg .soil-layer,
.scene-svg .outside-light,
.scene-svg .room-floor,
.scene-svg .shape-large,
.scene-svg .paper,
.scene-svg .school-body,
.scene-svg .inside-wall {
  fill: var(--paper-deep);
  stroke: var(--ink);
}

.scene-svg .moon,
.scene-svg .flame-back,
.scene-svg .sprout-leaf,
.scene-svg .flag,
.scene-svg .flag-pole + .flag,
.scene-svg .crown,
.scene-svg .season-leaf,
.scene-svg .korea-shape {
  fill: var(--accent);
  stroke: var(--accent-dark);
}

.scene-svg .flame-front {
  fill: var(--paper-soft);
  stroke: var(--accent-dark);
}

.scene-svg .ember,
.scene-svg .drop {
  fill: var(--accent);
  stroke: none;
}

.scene-svg .water-line,
.scene-svg .sea-wave,
.scene-svg .cloud,
.scene-svg .bird,
.scene-svg .long-road,
.scene-svg .long-road-center {
  fill: none;
  stroke: var(--ink);
}

.scene-svg .water-line {
  stroke-width: 12;
}

.scene-svg .trunk,
.scene-svg .metal-bar,
.scene-svg .country-wall,
.scene-svg .school-roof,
.scene-svg .school-door,
.scene-svg .book,
.scene-svg .board,
.scene-svg .door-frame,
.scene-svg .ruler,
.scene-svg .shield,
.scene-svg .soil-top,
.scene-svg .finger {
  fill: var(--paper-soft);
  stroke: var(--ink);
}

.scene-svg .branch,
.scene-svg .sprout-stem,
.scene-svg .flag-pole,
.scene-svg .pointer,
.scene-svg .book-spine,
.scene-svg .shield-mark,
.scene-svg .ruler-ticks,
.scene-svg .finish-line,
.scene-svg .track,
.scene-svg .care-line,
.scene-svg .paper-fold,
.scene-svg .window-cross,
.scene-svg .board-line,
.scene-svg .compass-lines {
  fill: none;
  stroke: var(--ink);
}

.scene-svg .mountain-front,
.scene-svg .open-book,
.scene-svg .house,
.scene-svg .school-window,
.scene-svg .room-back,
.scene-svg .window,
.scene-svg .desk,
.scene-svg .open-door,
.scene-svg .door-left,
.scene-svg .door-right,
.scene-svg .shape-small {
  fill: var(--paper-soft);
  stroke: var(--ink);
}

.scene-svg .snow {
  fill: var(--paper-soft);
  stroke: var(--ink);
  stroke-width: 5;
}

.scene-svg .scene-person circle {
  fill: var(--paper-soft);
  stroke: var(--ink);
}

.scene-svg .scene-person path {
  fill: none;
  stroke: var(--ink);
  stroke-width: 9;
}

.scene-svg .compass-ring,
.scene-svg .target-ring {
  fill: none;
  stroke: var(--line-strong);
}

.scene-svg .compass-letter {
  fill: var(--paper-soft);
  stroke: none;
  font-family: var(--font-sans);
  font-size: 28px;
  font-weight: 900;
}

.scene-svg .crown-base,
.scene-svg .seed {
  fill: var(--ink);
  stroke: var(--ink);
}

.scene-svg .open-book {
  stroke-width: 7;
}

.scene-svg .school-roof,
.scene-svg .school-door,
.scene-svg .door-left,
.scene-svg .door-right {
  fill: var(--accent-soft);
}

.scene-svg .door-knob {
  fill: var(--ink);
  stroke: none;
}

.scene-svg .shape-large.muted {
  opacity: 0.22;
}

.scene-svg .count-dot,
.scene-svg .many-dot {
  animation: dot-breathe 2.8s ease-in-out infinite alternate;
}

.scene-svg .dot-2,
.scene-svg .dot-5,
.scene-svg .dot-8,
.scene-svg .many-dot:nth-child(3n) {
  animation-delay: -1.2s;
}

.scene-rise {
  animation: scene-rise 3.4s ease-in-out infinite alternate;
  transform-box: fill-box;
  transform-origin: center;
}

.scene-drift {
  animation: scene-drift 4.6s ease-in-out infinite alternate;
  transform-box: fill-box;
  transform-origin: center;
}

.scene-pulse {
  animation: scene-pulse 3s ease-in-out infinite;
  transform-box: fill-box;
  transform-origin: center;
}

.fire-scene .flame-back,
.fire-scene .flame-front {
  animation: flame-dance 2.2s ease-in-out infinite alternate;
  transform-box: fill-box;
  transform-origin: bottom center;
}

.fire-scene .flame-front {
  animation-delay: -0.8s;
}

.water-scene .water-line {
  stroke-dasharray: 22 14;
  animation: water-flow 4s linear infinite;
}

.door-scene .scene-door-left {
  animation: door-left 4s ease-in-out infinite alternate;
  transform-box: fill-box;
  transform-origin: left center;
}

.door-scene .scene-door-right {
  animation: door-right 4s ease-in-out infinite alternate;
  transform-box: fill-box;
  transform-origin: right center;
}

@keyframes scene-rise {
  from { transform: translateY(8px); }
  to { transform: translateY(-8px); }
}

@keyframes scene-drift {
  from { transform: translateX(-7px) rotate(-1deg); }
  to { transform: translateX(7px) rotate(1deg); }
}

@keyframes scene-pulse {
  0%, 100% { opacity: 0.72; transform: scale(0.94); }
  50% { opacity: 1; transform: scale(1.06); }
}

@keyframes flame-dance {
  from { transform: skewX(-2deg) scaleY(0.97); }
  to { transform: skewX(3deg) scaleY(1.04); }
}

@keyframes water-flow {
  to { stroke-dashoffset: -72; }
}

@keyframes dot-breathe {
  from { opacity: 0.56; transform: scale(0.86); transform-origin: center; }
  to { opacity: 1; transform: scale(1); transform-origin: center; }
}

@keyframes door-left {
  to { transform: skewY(-3deg) scaleX(0.68); }
}

@keyframes door-right {
  to { transform: skewY(3deg) scaleX(0.68); }
}

@media (min-width: 700px) {
  .main-content {
    padding-inline: 34px;
  }

  .home-intro {
    grid-template-columns: minmax(0, 0.88fr) minmax(410px, 1.12fr);
    align-items: center;
    min-height: 620px;
    padding-block: 44px;
  }

  .home-visual {
    min-height: 560px;
    margin-top: 0;
  }

  .character-grid {
    gap: 12px;
  }

  .character-tile {
    min-height: 126px;
  }

  .character-tile strong {
    font-size: 3.4rem;
  }

  .choice-list {
    grid-template-columns: repeat(2, 1fr);
  }

  .scene-stage {
    min-height: clamp(300px, 44svh, 430px);
  }

  .choice-button {
    min-height: 68px;
  }

  .word-family {
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
  }

  .word-family article {
    grid-template-columns: 140px 1fr;
    border-top: 1px solid var(--line);
  }

  .review-recap-body {
    grid-template-columns: minmax(260px, 0.9fr) minmax(300px, 1.1fr);
    gap: 34px;
  }

  .review-recap-copy {
    padding: 22px 8px 22px 0;
  }

  .report-two-column {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 980px) {
  .topbar {
    position: fixed;
    inset: 0 auto 0 0;
    align-items: flex-start;
    width: 248px;
    min-height: 100svh;
    padding: 28px 24px;
    border-right: 1px solid var(--line);
    border-bottom: 0;
  }

  .top-actions {
    position: absolute;
    left: 24px;
    bottom: 34px;
  }

  .primary-nav {
    z-index: 46;
    inset: 118px auto auto 0;
    grid-template-columns: 1fr;
    gap: 4px;
    width: 248px;
    padding: 0 18px;
    background: transparent;
    border: 0;
    border-radius: 0;
    box-shadow: none;
    backdrop-filter: none;
  }

  .nav-item {
    flex-direction: row;
    justify-content: flex-start;
    gap: 12px;
    min-height: 50px;
    padding: 0 14px;
    border-radius: 12px;
    color: var(--ink-soft);
    font-size: 0.84rem;
  }

  .nav-item.is-active {
    background: rgba(24, 35, 31, 0.07);
    color: var(--ink);
  }

  .main-content,
  .app-footer {
    margin-left: 248px;
  }

  .main-content {
    width: calc(100% - 248px);
    max-width: none;
    padding-right: clamp(45px, 6vw, 100px);
    padding-left: clamp(45px, 6vw, 100px);
    padding-bottom: 70px;
  }

  .app-footer {
    display: flex;
    justify-content: space-between;
    gap: 20px;
    padding: 24px clamp(45px, 6vw, 100px) 34px;
    border-top: 1px solid var(--line);
    color: var(--ink-faint);
    font-size: 0.7rem;
  }

  body[data-route="session"] .main-content,
  body[data-route="check"] .main-content,
  body[data-route="exam-session"] .main-content {
    margin-left: 0;
  }

  .home-intro {
    max-width: 1240px;
  }

  .lesson-section,
  .progress-strip,
  .library-groups,
  .status-legend,
  .review-list-section,
  .settings-list,
  .exam-history-section,
  .wrong-note-section,
  .exam-section-scores,
  .exam-wrong-results,
  .report-heading,
  .report-summary,
  .report-panel,
  .report-two-column,
  .report-guidance {
    max-width: 1080px;
  }

  .character-grid {
    grid-template-columns: repeat(5, minmax(120px, 1fr));
  }

  .library-group {
    display: grid;
    grid-template-columns: 220px 1fr;
    gap: 30px;
  }

  .library-group-heading {
    align-self: start;
    margin: 10px 0 0;
  }

  .review-hero {
    min-height: 590px;
    align-content: center;
  }
}

@media (max-width: 420px) {
  .main-content {
    padding-inline: 16px;
  }

  .home-intro {
    padding-top: 26px;
  }

  .home-actions {
    align-items: stretch;
  }

  .home-actions .primary-button,
  .home-actions .text-button {
    width: 100%;
  }

  .home-visual {
    min-height: 285px;
  }

  .section-heading-row {
    align-items: start;
  }

  .quiet-link {
    font-size: 0.75rem;
  }

  .character-tile {
    min-height: 88px;
    border-radius: 13px;
  }

  .character-tile strong {
    font-size: 2.1rem;
  }

  .character-tile span {
    font-size: 0.58rem;
  }

  .learning-screen,
  .check-screen {
    width: min(100% - 28px, 760px);
  }

  .stroke-practice-shell {
    width: min(100%, 294px);
  }

  .stroke-writer {
    width: 260px;
    height: 260px;
  }

  .word-family article {
    grid-template-columns: 95px 1fr;
  }

  .review-character-list button {
    grid-template-columns: 46px 1fr 22px;
  }

  .review-character-list small {
    display: none;
  }

  .exam-hero {
    min-height: 650px;
    padding-top: 44px;
  }

  .exam-hero-mark {
    right: -22%;
    width: 74vw;
  }

  .exam-facts {
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }

  .exam-facts span {
    min-width: 0;
    padding-inline: 6px;
  }

  .active-exam-card {
    grid-template-columns: 1fr;
    gap: 7px;
  }

  .active-exam-card .primary-button {
    grid-column: 1;
    grid-row: auto;
    margin-top: 8px;
  }

  .wrong-note-list {
    grid-template-columns: 1fr;
  }

  .exam-session-header {
    grid-template-columns: 48px minmax(0, 1fr) 62px;
    gap: 8px;
    padding-inline: 10px;
  }

  .exam-question-screen {
    width: min(100% - 28px, 880px);
    padding-top: 28px;
  }

  .exam-text-choices {
    grid-template-columns: 1fr;
  }

  .exam-stroke-choices {
    gap: 7px;
  }

  .exam-question-actions {
    grid-template-columns: auto 1fr auto;
    gap: 8px;
  }

  .exam-question-actions .primary-button,
  .exam-question-actions .secondary-button {
    min-width: 84px;
    padding-inline: 14px;
  }

  .exam-palette > div {
    gap: 4px;
  }

  .exam-result-hero {
    grid-template-columns: 1fr;
    justify-items: center;
    min-height: 0;
    padding: 42px 0;
    text-align: center;
  }

  .exam-section-scores article {
    padding: 18px 10px;
  }

  .exam-section-scores strong {
    font-size: 1.75rem;
  }

  .exam-wrong-results > ol > li {
    grid-template-columns: 26px 50px minmax(0, 1fr);
    gap: 10px;
  }

  .exam-wrong-results > ol > li > .quiet-link {
    grid-column: 2 / -1;
    justify-self: start;
  }

  .wrong-glyph {
    font-size: 2.4rem;
  }

  .report-heading {
    display: grid;
    align-items: start;
  }

  .report-summary {
    grid-template-columns: repeat(2, 1fr);
  }

  .report-summary article:nth-child(2) {
    border-right: 0;
  }

  .report-summary article:nth-child(-n + 2) {
    border-bottom: 1px solid var(--line);
  }

  .report-panel-heading {
    display: grid;
    align-items: start;
  }

  .report-guidance {
    grid-template-columns: 1fr;
    gap: 9px;
  }

  .confirmation-dialog > div {
    display: grid;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

@media print {
  @page {
    size: A4 portrait;
    margin: 14mm;
  }

  html,
  body {
    background: white !important;
    color: #111 !important;
  }

  .topbar,
  .primary-nav,
  .app-footer,
  .print-report-button,
  .report-guidance .quiet-link {
    display: none !important;
  }

  .confirmation-backdrop {
    display: none !important;
  }

  .main-content {
    width: 100% !important;
    max-width: none !important;
    margin: 0 !important;
    padding: 0 !important;
  }

  .report-heading {
    padding: 0 0 8mm;
  }

  .report-heading .view-heading {
    font-size: 28pt;
  }

  .report-summary article,
  .report-panel {
    break-inside: avoid;
  }

  .report-panel {
    padding: 7mm 0;
  }

  .report-two-column {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8mm;
  }

  .weekly-bars {
    height: 42mm;
  }

  .report-guidance {
    break-inside: avoid;
    margin-bottom: 0;
  }
}

/* Pixel learning village — meaning scenes stay playful while reading stays crisp. */
:root {
  --pixel-sun: #f2b84b;
  --pixel-water: #4f8797;
  --pixel-leaf: #4e7656;
  --pixel-soil: #a56c4f;
  --pixel-night: #39475c;
  --pixel-violet: #76617d;
  --pixel-shadow: 5px 5px 0 var(--ink);
}

.primary-nav {
  grid-template-columns: repeat(3, 1fr);
}

.primary-button {
  border: 2px solid var(--ink);
  border-radius: 6px;
  box-shadow: 4px 4px 0 rgba(24, 35, 31, 0.28);
  transition: transform 120ms steps(2, end), box-shadow 120ms steps(2, end), background 120ms linear;
}

.primary-button:hover {
  box-shadow: 2px 2px 0 rgba(24, 35, 31, 0.28);
  transform: translate(2px, 2px);
}

.pixel-home-visual {
  display: block;
  min-height: 360px;
  border: 4px solid var(--ink);
  border-radius: 7px;
  background: var(--pixel-water);
  box-shadow: 10px 10px 0 rgba(24, 35, 31, 0.16);
  image-rendering: pixelated;
  isolation: isolate;
}

.pixel-home-visual::before,
.pixel-home-visual::after {
  display: none;
}

.pixel-home-visual > img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 58% center;
  image-rendering: pixelated;
}

.scene-pixel-image {
  display: block;
  width: 100%;
  aspect-ratio: 64 / 42;
  object-fit: cover;
  image-rendering: pixelated;
  animation: pixel-scene-arrive 480ms steps(4, end) both, pixel-scene-glow 700ms steps(2, end) 2 alternate;
}

.scene-art:has(.scene-pixel-image) {
  width: min(100%, 760px);
}

.scene-stage:has(.scene-pixel-image) .scene-description {
  right: auto;
  left: 50%;
  bottom: 10px;
  padding: 5px 9px;
  border: 2px solid var(--ink);
  background: rgba(250, 248, 242, 0.9);
  color: var(--ink);
  font-weight: 750;
  transform: translateX(-50%);
}

.pixel-home-shade {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 46%, rgba(24, 35, 31, 0.6));
}

.pixel-next-token {
  position: absolute;
  right: 18px;
  bottom: 18px;
  display: grid;
  grid-template-columns: auto auto;
  align-items: center;
  gap: 0 10px;
  min-width: 132px;
  padding: 12px 14px;
  border: 3px solid var(--ink);
  background: var(--paper-soft);
  box-shadow: var(--pixel-shadow);
  color: var(--ink);
  image-rendering: auto;
}

.pixel-next-token small {
  grid-column: 1 / -1;
  color: var(--ink-soft);
  font-size: 0.68rem;
  font-weight: 850;
}

.pixel-next-token span {
  font-family: var(--font-hanja);
  font-size: 2.8rem;
  line-height: 1;
}

.pixel-next-token b {
  font-size: 0.85rem;
}

.literacy-callout {
  display: grid;
  gap: 22px;
  padding: 34px 0;
  border-bottom: 1px solid var(--line-strong);
}

.pixel-callout-scene {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  min-height: 152px;
  overflow: hidden;
  border: 4px solid var(--ink);
  background:
    linear-gradient(90deg, transparent 48%, rgba(24, 35, 31, 0.08) 48% 52%, transparent 52%),
    var(--pixel-sun);
  box-shadow: 8px 8px 0 rgba(24, 35, 31, 0.14);
}

.pixel-callout-scene::before,
.pixel-callout-scene::after {
  content: "";
  position: absolute;
  width: 22px;
  height: 22px;
  background: var(--paper-soft);
  box-shadow: 22px 0 0 var(--pixel-water), 44px 0 0 var(--pixel-leaf), 66px 0 0 var(--accent);
}

.pixel-callout-scene::before { left: 0; top: 0; }
.pixel-callout-scene::after { right: 66px; bottom: 0; }

.pixel-callout-scene span,
.pixel-callout-scene b {
  position: relative;
  z-index: 1;
  display: grid;
  place-items: center;
  width: 64px;
  height: 64px;
  border: 3px solid var(--ink);
  background: var(--paper-soft);
  font-family: var(--font-hanja);
  font-size: 2.2rem;
  box-shadow: 4px 4px 0 rgba(24, 35, 31, 0.25);
}

.pixel-callout-scene i {
  width: 20px;
  height: 4px;
  background: var(--ink);
}

.pixel-callout-scene b {
  width: auto;
  padding-inline: 14px;
  font-family: var(--font-sans);
  font-size: 1rem;
}

.literacy-callout-copy h2 {
  margin: 0;
  font-size: clamp(1.7rem, 7vw, 3.15rem);
  line-height: 1.08;
  letter-spacing: -0.06em;
}

.literacy-callout-copy > p:last-child {
  max-width: 590px;
  margin: 13px 0 0;
  color: var(--ink-soft);
  line-height: 1.7;
}

.literacy-callout-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px 20px;
}

.literacy-callout-actions > span {
  color: var(--ink-faint);
  font-size: 0.76rem;
  font-weight: 750;
}

.foundation-daily-start {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 18px 28px;
  align-items: center;
  margin-top: 24px;
  padding: 22px 0;
  border-top: 1px solid var(--line-strong);
  border-bottom: 1px solid var(--line-strong);
}

.foundation-daily-start h2 {
  margin: 0;
  font-size: clamp(1.35rem, 4vw, 2rem);
  letter-spacing: -0.045em;
}

.foundation-daily-start > div > p:last-child {
  margin: 8px 0 0;
  color: var(--ink-soft);
  font-size: 0.78rem;
  line-height: 1.6;
}

.foundation-daily-start dl {
  display: flex;
  gap: 20px;
  margin: 0;
}

.foundation-daily-start dl > div {
  display: grid;
  gap: 2px;
  min-width: 56px;
}

.foundation-daily-start dt {
  color: var(--ink-soft);
  font-size: 0.68rem;
  font-weight: 800;
}

.foundation-daily-start dd {
  margin: 0;
  font-family: var(--font-hanja);
  font-size: 1.6rem;
  font-weight: 700;
  line-height: 1;
}

.foundation-daily-start > .primary-button {
  grid-column: 1 / -1;
  width: 100%;
  min-height: 50px;
}

.literacy-hero {
  position: relative;
  display: grid;
  align-content: end;
  min-height: min(690px, calc(100svh - 110px));
  margin: 22px 0 54px;
  overflow: hidden;
  border: 4px solid var(--ink);
  border-radius: 7px;
  background: var(--pixel-water);
  box-shadow: 12px 12px 0 rgba(24, 35, 31, 0.14);
  color: white;
  isolation: isolate;
}

.literacy-hero-art,
.literacy-hero-overlay {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.literacy-hero-art {
  z-index: -2;
  object-fit: cover;
  object-position: 58% center;
  image-rendering: pixelated;
  animation: pixel-hero-enter 650ms steps(5, end) both;
}

.literacy-hero-overlay {
  z-index: -1;
  background: linear-gradient(180deg, rgba(24, 35, 31, 0.02) 20%, rgba(24, 35, 31, 0.9) 94%);
}

.literacy-hero-copy {
  max-width: 900px;
  padding: clamp(30px, 6vw, 70px);
}

.literacy-hero-copy .eyebrow {
  color: #ffd77b;
}

.literacy-hero-copy .view-heading {
  font-size: clamp(2.4rem, 8vw, 5.6rem);
  text-shadow: 3px 3px 0 rgba(24, 35, 31, 0.7);
  white-space: nowrap;
}

.literacy-hero-copy .view-heading em {
  color: #ffd77b;
}

.literacy-hero-copy > p:not(.eyebrow) {
  max-width: 550px;
  margin: 18px 0 24px;
  color: rgba(255, 255, 255, 0.88);
  font-weight: 650;
  line-height: 1.7;
}

.literacy-hero-copy .primary-button {
  background: #fff8e8;
  color: var(--ink);
}

.literacy-hero-status {
  position: absolute;
  right: 18px;
  top: 18px;
  display: flex;
  gap: 8px;
}

.literacy-hero-status span {
  padding: 9px 11px;
  border: 2px solid rgba(255, 255, 255, 0.7);
  background: rgba(24, 35, 31, 0.76);
  font-size: 0.72rem;
  font-weight: 750;
}

.literacy-ladder,
.literacy-worlds,
.literacy-method-note {
  max-width: 1080px;
}

.literacy-report-panel {
  max-width: 1080px;
}

.literacy-report-score {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 16px;
  margin-top: 18px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
}

.literacy-report-score > strong {
  font-family: var(--font-hanja);
  font-size: 2.3rem;
  font-weight: 650;
}

.literacy-report-score > span {
  color: var(--ink-soft);
  font-size: 0.78rem;
}

.literacy-report-score > span small {
  display: block;
  margin-top: 4px;
  color: var(--ink);
  font-size: 0.76rem;
  font-weight: 800;
}

.literacy-ladder {
  display: grid;
  gap: 26px;
  padding: 16px 0 54px;
  border-bottom: 1px solid var(--line-strong);
}

.literacy-ladder h2,
.literacy-worlds h2 {
  margin: 0;
  font-size: clamp(1.65rem, 5vw, 2.65rem);
  letter-spacing: -0.055em;
}

.literacy-ladder ol {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  margin: 0;
  padding: 3px;
  list-style: none;
  background: var(--ink);
}

.literacy-ladder li {
  display: grid;
  min-height: 104px;
  padding: 17px;
  background: var(--paper-soft);
}

.literacy-ladder li span {
  color: var(--accent-dark);
  font-size: 0.68rem;
  font-weight: 900;
}

.literacy-ladder li strong {
  align-self: end;
  font-size: 1rem;
}

.literacy-ladder li small {
  margin-top: 4px;
  color: var(--ink-soft);
  font-size: 0.8rem;
  line-height: 1.45;
}

.literacy-worlds {
  padding: 54px 0 20px;
}

.literacy-worlds .section-heading-row > p {
  color: var(--ink-faint);
  font-size: 0.75rem;
}

.literacy-worlds ol {
  margin: 26px 0 0;
  padding: 0;
  border-top: 3px solid var(--ink);
  list-style: none;
}

.literacy-worlds li {
  border-bottom: 1px solid var(--line-strong);
}

.literacy-world-row {
  --world-color: var(--accent);
  display: grid;
  grid-template-columns: 42px 76px minmax(0, 1fr) auto 22px;
  align-items: center;
  gap: 14px;
  width: 100%;
  min-height: 108px;
  padding: 14px 5px;
  border: 0;
  background: transparent;
  cursor: pointer;
  text-align: left;
  transition: background 120ms steps(2, end), padding 120ms steps(2, end);
}

.world-coral { --world-color: var(--accent); }
.world-leaf { --world-color: var(--pixel-leaf); }
.world-water { --world-color: var(--pixel-water); }
.world-violet { --world-color: var(--pixel-violet); }

.literacy-world-row:hover {
  padding-inline: 12px;
  background: color-mix(in srgb, var(--world-color) 10%, transparent);
}

.world-number {
  color: var(--ink-faint);
  font-size: 0.7rem;
  font-weight: 900;
}

.world-pixel-glyphs {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  width: 64px;
  height: 64px;
  overflow: hidden;
  border: 3px solid var(--ink);
  background: var(--world-color);
  box-shadow: 4px 4px 0 rgba(24, 35, 31, 0.2);
  color: var(--paper-soft);
  font-family: var(--font-hanja);
  font-size: 1.1rem;
  letter-spacing: 8px;
  line-height: 31px;
  text-indent: 7px;
  overflow-wrap: anywhere;
}

.world-copy {
  display: grid;
  gap: 5px;
}

.world-copy strong {
  font-size: 1.1rem;
  letter-spacing: -0.035em;
}

.world-copy small,
.world-progress small {
  color: var(--ink-soft);
  font-size: 0.72rem;
}

.world-progress {
  display: grid;
  justify-items: end;
  gap: 3px;
  font-size: 0.7rem;
}

.world-progress b {
  color: var(--world-color);
  font-size: 0.9rem;
}

.literacy-world-row > svg {
  width: 20px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.8;
}

.literacy-method-note {
  display: grid;
  gap: 5px;
  margin: 24px 0 60px;
  padding: 19px 20px;
  border-left: 5px solid var(--pixel-water);
  background: var(--paper-deep);
}

.literacy-method-note p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.8rem;
  line-height: 1.6;
}

.literacy-method-note .quiet-link {
  justify-self: start;
  margin-top: 7px;
}

.literacy-track-switch {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  max-width: 720px;
  margin: 22px 0 8px;
  border-bottom: 1px solid var(--line-strong);
}

.literacy-track-switch a {
  display: grid;
  gap: 3px;
  min-width: 0;
  min-height: 62px;
  padding: 12px 14px 10px;
  border-bottom: 4px solid transparent;
  color: var(--ink-soft);
  text-decoration: none;
}

.literacy-track-switch a.is-active {
  border-bottom-color: var(--accent);
  color: var(--ink);
}

.literacy-track-switch strong {
  font-size: 0.94rem;
}

.literacy-track-switch small {
  font-size: 0.72rem;
  font-weight: 750;
}

@media (forced-colors: active) {
  .literacy-track-switch a.is-active {
    border-bottom-color: Highlight;
    color: Highlight;
  }
}

.foundation-view-switch {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  max-width: 680px;
  margin: 0 0 26px;
  border-bottom: 1px solid var(--line);
}

.foundation-view-switch a {
  display: grid;
  gap: 3px;
  min-height: 58px;
  padding: 10px 14px 11px;
  border-bottom: 3px solid transparent;
  color: var(--ink-soft);
  text-decoration: none;
}

.foundation-view-switch a.is-active {
  border-bottom-color: var(--pixel-water);
  color: var(--ink);
}

.foundation-view-switch strong {
  font-size: 0.86rem;
}

.foundation-view-switch small {
  font-size: 0.68rem;
  font-weight: 720;
}

.advanced-literacy-hero {
  display: grid;
  gap: 28px;
  max-width: 1080px;
  padding: clamp(36px, 6vw, 72px) 0;
  border-bottom: 1px solid var(--line-strong);
}

.advanced-glyph-anchor {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  grid-template-rows: 1fr auto;
  align-items: center;
  width: min(100%, 310px);
  min-height: 196px;
  padding: 22px;
  border: 4px solid var(--ink);
  background: var(--paper-soft);
  box-shadow: 9px 9px 0 rgba(24, 35, 31, 0.16);
}

.advanced-glyph-anchor span {
  display: grid;
  place-items: center;
  width: 76px;
  height: 76px;
  border: 3px solid var(--ink);
  background: var(--accent);
  color: var(--paper-soft);
  font-family: var(--font-hanja);
  font-size: 2.5rem;
  box-shadow: 4px 4px 0 rgba(24, 35, 31, 0.18);
}

.advanced-glyph-anchor i {
  font-style: normal;
  font-weight: 950;
}

.advanced-glyph-anchor b {
  grid-column: 1 / -1;
  justify-self: end;
  padding: 5px 9px;
  background: var(--ink);
  color: white;
  font-size: 0.82rem;
}

.advanced-hero-copy {
  align-self: center;
}

.advanced-hero-copy .view-heading {
  max-width: 720px;
  margin: 7px 0 0;
  font-size: clamp(2.15rem, 6vw, 4.4rem);
  line-height: 1.07;
  letter-spacing: -0.065em;
}

.advanced-hero-copy .view-heading em {
  color: var(--accent-dark);
  font-style: normal;
}

.advanced-hero-copy > p:not(.eyebrow) {
  max-width: 650px;
  margin: 18px 0 24px;
  color: var(--ink-soft);
  font-size: 1rem;
  font-weight: 650;
  line-height: 1.75;
}

.advanced-hero-status {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  grid-column: 1 / -1;
  margin: 0;
  padding: 0;
  border-block: 1px solid var(--line-strong);
}

.advanced-hero-status div {
  display: grid;
  gap: 8px;
  min-width: 0;
  padding: 14px 16px;
  border-right: 1px solid var(--line);
}

.advanced-hero-status div:last-child {
  border-right: 0;
}

.advanced-hero-status dt {
  color: var(--ink-faint);
  font-size: 0.72rem;
  font-weight: 800;
}

.advanced-hero-status dd {
  margin: 0;
  font-size: 1.08rem;
  font-weight: 900;
}

.advanced-hero-status dd small {
  margin-left: 2px;
  color: var(--ink-faint);
  font-size: 0.7rem;
}

.advanced-ladder {
  padding-top: 46px;
}

.advanced-units .world-copy > small:first-child {
  color: var(--accent-dark);
  font-size: 0.68rem;
  font-weight: 900;
}

.advanced-units .world-progress small {
  max-width: 250px;
  text-align: right;
}

.advanced-unit-group.is-bridge {
  padding-top: 34px;
}

.advanced-unit-group.is-bridge .section-heading-row {
  padding-top: 28px;
  border-top: 1px solid var(--line-strong);
}

.advanced-method-note {
  border-left-color: var(--accent);
}

/* Type placement lab — one scene, three information hierarchies. */
.style-lab-heading,
.style-lab-options,
.style-lab-decision {
  max-width: 1080px;
}

.style-lab-heading {
  padding: 54px 0 40px;
  animation: style-lab-heading-in 360ms steps(4, end) both;
}

.style-lab-back {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  margin-bottom: 44px;
  color: var(--ink-soft);
  font-size: 0.78rem;
  font-weight: 800;
}

.style-lab-back svg {
  width: 17px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  transform: rotate(180deg);
}

.style-lab-heading .view-heading {
  max-width: 800px;
}

.style-lab-heading > p:last-child {
  max-width: 670px;
  margin: 22px 0 0;
  color: var(--ink-soft);
  line-height: 1.75;
}

.style-lab-heading > p b {
  color: var(--ink);
}

.style-lab-options {
  border-top: 4px solid var(--ink);
}

.style-lab-option {
  display: grid;
  grid-template-columns: minmax(190px, 0.58fr) minmax(0, 1.42fr);
  align-items: start;
  gap: clamp(28px, 5vw, 58px);
  padding: 52px 0;
  border-bottom: 1px solid var(--line-strong);
  animation: style-lab-option-in 420ms steps(4, end) both;
}

.style-lab-option:nth-child(2) { animation-delay: 90ms; }
.style-lab-option:nth-child(3) { animation-delay: 180ms; }

.style-option-copy {
  padding-top: 4px;
}

.style-option-letter {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  margin-bottom: 25px;
  border: 3px solid var(--ink);
  background: var(--accent);
  box-shadow: 4px 4px 0 rgba(24, 35, 31, 0.18);
  color: white;
  font-size: 1rem;
  font-weight: 950;
}

.style-option-copy > p:first-of-type {
  margin: 0 0 7px;
  color: var(--accent-dark);
  font-size: 0.7rem;
  font-weight: 850;
  letter-spacing: 0.05em;
}

.style-option-copy h2 {
  margin: 0;
  font-size: clamp(1.45rem, 3.5vw, 2.25rem);
  letter-spacing: -0.055em;
}

.style-option-copy > p:last-child {
  margin: 14px 0 0;
  color: var(--ink-soft);
  font-size: 0.84rem;
  line-height: 1.7;
}

.style-demo {
  min-width: 0;
  margin: 0;
}

.style-demo-canvas {
  position: relative;
  width: 100%;
  aspect-ratio: 64 / 42;
  min-height: 0;
  overflow: hidden;
  border: 4px solid var(--ink);
  background: var(--pixel-night);
  box-shadow: 9px 9px 0 rgba(24, 35, 31, 0.15);
  isolation: isolate;
}

.style-demo-canvas > img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  image-rendering: pixelated;
}

.style-demo-layer {
  position: absolute;
  inset: 0;
  z-index: 1;
  image-rendering: auto;
  animation: style-lab-label-in 380ms steps(4, end) 180ms both;
}

.style-demo figcaption {
  margin-top: 16px;
  color: var(--ink-soft);
  font-size: 0.77rem;
  line-height: 1.6;
}

.pixel-hanja {
  position: absolute;
  inset: 0;
  display: block;
  width: 100%;
  height: 100%;
  image-rendering: pixelated;
  image-rendering: crisp-edges;
}

.pixel-hanja-frame {
  position: relative;
  display: block;
  flex: none;
  width: 256px;
  height: 256px;
}

.pixel-hanja-frame::before {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  z-index: 1;
  width: 7px;
  height: 7px;
  background: var(--pixel-sun);
  box-shadow: -14px 0 0 var(--accent), 14px 0 0 #fff3b0, 0 -14px 0 var(--pixel-water), 0 14px 0 var(--accent);
  transform: translate(-50%, -50%);
  transition: opacity 80ms linear;
}

.pixel-hanja-fallback {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  color: #f2b84b;
  font-family: var(--font-hanja);
  font-size: 9rem;
  line-height: 1;
  opacity: 0;
  transition: opacity 80ms linear;
}

.pixel-hanja-frame.is-painted::before,
.pixel-hanja-frame.is-failed::before {
  opacity: 0;
}

.pixel-hanja-frame.is-failed .pixel-hanja-fallback {
  opacity: 1;
}

.style-stamp {
  position: absolute;
  left: 18px;
  top: 18px;
  display: grid;
  justify-items: center;
  width: 156px;
  padding: 11px 10px 12px;
  border: 4px solid var(--ink);
  background: #fff8e8;
  box-shadow: 6px 6px 0 rgba(24, 35, 31, 0.42);
  color: var(--ink);
}

.style-stamp-glyph {
  width: 128px;
  height: 128px;
  animation: style-pixel-stamp-in 420ms steps(4, end) 220ms both;
}

.style-stamp-glyph .pixel-hanja-fallback {
  color: var(--accent);
  font-size: 6rem;
  text-shadow: 3px 3px 0 rgba(24, 35, 31, 0.2);
}

.style-stamp strong {
  margin-top: 8px;
  font-size: clamp(1.05rem, 2.2vw, 1.35rem);
}

.style-stamp small {
  margin-top: 3px;
  color: var(--accent-dark);
  font-size: 0.68rem;
  font-weight: 850;
}

.style-scene-word {
  position: absolute;
  right: 16px;
  bottom: 16px;
  padding: 7px 10px;
  border: 3px solid #fff8e8;
  background: var(--ink);
  color: white;
  font-size: 0.74rem;
  font-weight: 850;
}

.variant-b .style-demo-canvas > img {
  filter: brightness(0.42) saturate(0.72) contrast(1.08);
  transform: scale(1.02);
}

.style-texture-glyph {
  position: absolute;
  left: 50%;
  top: 36%;
  width: 256px;
  height: 256px;
  filter:
    drop-shadow(5px 0 0 rgba(255, 248, 232, 0.78))
    drop-shadow(-5px 0 0 rgba(255, 248, 232, 0.78))
    drop-shadow(7px 8px 0 rgba(24, 35, 31, 0.7));
  transform: translate(-50%, -50%);
  animation: style-texture-glyph-in 680ms steps(6, end) 240ms both;
}

.style-texture-glyph .pixel-hanja-fallback {
  color: var(--pixel-sun);
  font-size: 12rem;
  text-shadow: 5px 5px 0 var(--ink);
}

.style-transform-glyph .pixel-hanja-fallback {
  font-size: 12rem;
}

.style-fusion-label {
  position: absolute;
  left: 50%;
  bottom: 15px;
  display: grid;
  justify-items: center;
  min-width: min(260px, calc(100% - 30px));
  padding: 10px 18px;
  border: 3px solid var(--ink);
  background: #fff8e8;
  box-shadow: 5px 5px 0 rgba(24, 35, 31, 0.4);
  color: var(--ink);
  transform: translateX(-50%);
}

.style-fusion-label strong {
  font-size: clamp(1.3rem, 3.4vw, 1.9rem);
  line-height: 1.1;
}

.style-fusion-label small {
  margin-top: 4px;
  color: var(--ink-soft);
  font-size: 0.68rem;
  font-weight: 800;
}

.variant-c .style-demo-canvas > img {
  filter: brightness(0.68) saturate(0.9);
}

.style-transform-glyph {
  position: absolute;
  left: 50%;
  top: 36%;
  z-index: 1;
  width: 256px;
  height: 256px;
  filter: drop-shadow(8px 9px 0 rgba(24, 35, 31, 0.72));
  transform: translate(-50%, -50%);
  animation: style-transform-glyph-in 860ms steps(6, end) 420ms both;
}

.style-transform-pixels {
  position: absolute;
  left: 50%;
  top: 48%;
  width: 1px;
  height: 1px;
  z-index: 2;
}

.style-transform-pixels i {
  position: absolute;
  left: 0;
  top: 0;
  width: 8px;
  height: 8px;
  background: var(--pixel-sun);
  box-shadow: 8px 0 0 var(--accent);
  animation: style-pixel-travel 720ms steps(6, end) 180ms both;
}

.style-transform-pixels i:nth-child(even) {
  width: 6px;
  height: 6px;
  background: #fff3b0;
}

.style-transform-label {
  position: absolute;
  left: 50%;
  bottom: 14px;
  display: grid;
  justify-items: center;
  min-width: min(300px, calc(100% - 28px));
  padding: 9px 16px;
  border: 3px solid var(--ink);
  background: #fff8e8;
  box-shadow: 5px 5px 0 rgba(24, 35, 31, 0.4);
  color: var(--ink);
  transform: translateX(-50%);
  animation: style-transform-label-in 320ms steps(3, end) 980ms both;
}

.style-transform-label strong {
  font-size: clamp(0.98rem, 2.4vw, 1.32rem);
}

.style-transform-label small {
  margin-top: 2px;
  color: var(--ink-soft);
  font-size: 0.68rem;
  font-weight: 800;
}

.style-lab-decision {
  display: grid;
  gap: 6px;
  margin: 34px 0 70px;
  padding: 22px 24px;
  border-left: 6px solid var(--accent);
  background: var(--paper-deep);
}

.style-lab-decision p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.82rem;
  line-height: 1.65;
}

@keyframes style-lab-heading-in {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes style-lab-option-in {
  from { opacity: 0; transform: translateY(18px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes style-lab-label-in {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes style-pixel-stamp-in {
  from { opacity: 0; transform: translateY(8px) scale(0.88); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

@keyframes style-texture-glyph-in {
  from { opacity: 0; clip-path: inset(100% 0 0); transform: translate(-50%, -50%) scale(0.96); }
  to { opacity: 1; clip-path: inset(0); transform: translate(-50%, -50%) scale(1); }
}

@keyframes style-pixel-travel {
  from { opacity: 1; transform: translate(var(--sx), var(--sy)) scale(1); }
  70% { opacity: 1; }
  to { opacity: 0; transform: translate(var(--tx), var(--ty)) scale(0.5); }
}

@keyframes style-transform-glyph-in {
  from { opacity: 0; transform: translate(-50%, -50%) scale(0.62); }
  to { opacity: 1; transform: translate(-50%, -50%) scale(1); }
}

@keyframes style-transform-label-in {
  from { opacity: 0; transform: translate(-50%, 8px); }
  to { opacity: 1; transform: translate(-50%, 0); }
}

@media (max-width: 699px) {
  .style-lab-heading {
    padding-top: 32px;
  }

  .style-lab-back {
    margin-bottom: 32px;
  }

  .style-lab-option {
    grid-template-columns: 1fr;
    gap: 23px;
    padding: 38px 0;
  }

  .style-demo-canvas {
    min-height: 0;
  }

  .style-texture-glyph,
  .style-transform-glyph {
    top: 42%;
    width: 192px;
    height: 192px;
  }

  .style-texture-glyph .pixel-hanja-fallback,
  .style-transform-glyph .pixel-hanja-fallback {
    font-size: 9rem;
  }

  .style-option-letter {
    float: left;
    margin: 0 16px 12px 0;
  }

  .style-option-copy > p:last-child {
    clear: both;
  }
}

@media (min-width: 700px) and (max-width: 899px) {
  .style-texture-glyph,
  .style-transform-glyph {
    width: 192px;
    height: 192px;
  }

  .style-texture-glyph .pixel-hanja-fallback,
  .style-transform-glyph .pixel-hanja-fallback {
    font-size: 9rem;
  }

  .style-fusion-label,
  .style-transform-label {
    bottom: 5px;
    padding-block: 7px;
  }
}

@media (max-width: 520px) {
  .style-demo-canvas {
    aspect-ratio: 1 / 1;
  }
}

@media (max-width: 420px) {
  .style-stamp {
    left: 12px;
    top: 12px;
    width: 152px;
    padding-block: 9px 10px;
  }

  .style-stamp-glyph {
    width: 128px;
    height: 128px;
  }

  .style-scene-word {
    right: 10px;
    bottom: 10px;
  }

  .style-fusion-label {
    bottom: 10px;
    padding-block: 8px;
  }

  .style-transform-label {
    bottom: 10px;
    padding-block: 8px;
  }
}

@media (max-width: 360px) {
  .style-texture-glyph,
  .style-transform-glyph {
    top: 37%;
  }
}

@media (forced-colors: active) {
  .pixel-hanja-frame::before {
    display: none;
  }

  .pixel-hanja-frame .pixel-hanja {
    display: none;
  }

  .style-demo-canvas {
    background: Canvas;
  }

  .style-demo-canvas > img {
    visibility: hidden;
  }

  .pixel-hanja-frame {
    background: Canvas;
    outline: 2px solid CanvasText;
  }

  .pixel-hanja-frame .pixel-hanja-fallback {
    opacity: 1 !important;
    color: CanvasText;
    text-shadow: none;
  }
}

/* 역지사지 정의 회상 공방과 실제 네 컷 만화 */
.idiom-vocab-glyph-nav > button.has-attempt:not(.is-solved) {
  border-bottom: 4px dashed var(--accent-dark);
}

.idiom-vocab-glyph-nav > button.is-solved {
  border-bottom: 6px double var(--success);
}

.idiom-vocab-glyph-nav > button.has-attempt.is-current:not(.is-solved),
.idiom-vocab-glyph-nav > button.has-attempt[aria-current="step"]:not(.is-solved) {
  border-bottom: 5px solid var(--idiom-gold);
}

.idiom-vocab-situation > strong::before {
  content: "? ";
  color: var(--accent-dark);
}

.idiom-vocab-form > small {
  color: var(--ink-soft);
  font-size: 0.68rem;
  font-weight: 700;
  line-height: 1.5;
}

.idiom-story-panel.has-comic-art {
  display: grid;
  grid-template-columns: 1fr;
  grid-template-rows: auto auto minmax(138px, auto);
  margin: 0;
  overflow: hidden;
  border: 3px solid var(--ink);
  background: var(--paper-soft);
  box-shadow: 5px 5px 0 color-mix(in srgb, var(--ink) 22%, transparent);
}

.idiom-story-media {
  position: relative;
  aspect-ratio: 4 / 3;
  min-width: 0;
  overflow: hidden;
  background: var(--paper);
  border-bottom: 3px solid var(--ink);
  isolation: isolate;
}

.idiom-story-media > img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  image-rendering: auto;
  transition: transform 180ms steps(3, end);
}

.idiom-story-image-editor {
  min-height: 44px;
  padding: 7px 10px;
  border-bottom: 1px solid var(--ink);
  background: var(--paper);
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 8px;
  font-size: 0.8rem;
  font-weight: 800;
}

.idiom-story-image-editor > span:first-child {
  margin-right: auto;
  color: var(--ink-soft);
}

/* 8단계: 대화를 길게 쌓지 않고, 한 번의 도전과 결과가 또렷한 학습 미션 */
.idiom-chat-challenge {
  display: grid;
  gap: 22px;
  max-width: 900px;
  margin-inline: auto;
  padding: clamp(18px, 3vw, 34px);
  border: 2px solid var(--ink);
  background: var(--paper-soft);
}

.idiom-chat-challenge > header {
  display: grid;
  gap: 8px;
  max-width: 720px;
}

.idiom-chat-challenge > header h2,
.idiom-chat-challenge > header p {
  margin: 0;
}

.idiom-challenge-rule,
.idiom-challenge-setting,
.idiom-challenge-victory {
  padding: 16px 18px;
  border: 1px solid var(--ink);
  background: var(--paper);
}

.idiom-challenge-rule p,
.idiom-challenge-setting p,
.idiom-challenge-victory p {
  margin: 6px 0 0;
}

.idiom-challenge-characters {
  min-width: 0;
  margin: 0;
  padding: 16px 18px;
  border: 1px solid var(--ink);
}

.idiom-challenge-characters > legend {
  padding-inline: 6px;
  font-weight: 900;
}

.idiom-challenge-characters > div {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.idiom-challenge-character {
  position: relative;
  min-width: 0;
}

.idiom-challenge-character > button {
  display: grid;
  gap: 5px;
  width: 100%;
  min-height: 82px;
  padding: 13px 14px;
  border: 1px solid var(--ink);
  background: var(--paper);
  color: var(--ink);
  font: inherit;
  text-align: left;
  cursor: pointer;
}

.idiom-challenge-character > button[aria-pressed="true"] {
  background: var(--ink);
  color: var(--paper);
}

.idiom-challenge-character > button strong { font-size: 0.82rem; }
.idiom-challenge-character > button span { font-size: 0.72rem; line-height: 1.5; }
.idiom-challenge-character-editors { display: flex; flex-wrap: wrap; gap: 4px; margin-top: 4px; }
.idiom-challenge-characters > small { display: block; margin-top: 9px; color: var(--ink-soft); }

.idiom-challenge-setting.is-ready {
  color: var(--ink-soft);
  border-style: dashed;
}

.idiom-challenge-log {
  display: grid;
  gap: 10px;
  min-height: 160px;
  max-height: 440px;
  margin: 0;
  padding: 16px;
  overflow-y: auto;
  list-style: none;
  border: 1px solid var(--ink);
  background: var(--paper);
}

.idiom-challenge-log > li {
  width: min(82%, 620px);
  padding: 12px 14px;
  border: 1px solid var(--ink);
  overflow-wrap: anywhere;
}

.idiom-challenge-log > li.is-user {
  justify-self: end;
  background: var(--ink);
  color: var(--paper);
}

.idiom-challenge-log > li.is-assistant {
  justify-self: start;
  background: var(--paper-soft);
}

.idiom-challenge-log > li > span {
  display: block;
  margin-bottom: 4px;
  font-size: 0.75rem;
}

.idiom-challenge-log > li p {
  margin: 0;
}

.idiom-challenge-compose,
.idiom-challenge-compose label {
  display: grid;
  gap: 10px;
}

.idiom-challenge-compose textarea {
  width: 100%;
  min-height: 118px;
  padding: 14px;
  border: 2px solid var(--ink);
  background: var(--paper);
  color: var(--ink);
  resize: vertical;
}

.idiom-challenge-compose > div {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
}

.idiom-challenge-compose .primary-button {
  min-width: min(240px, 100%);
}

.idiom-challenge-state {
  margin: 0;
  padding: 10px 0;
  font-weight: 800;
}

.idiom-challenge-victory {
  border-width: 3px;
}

.idiom-challenge-victory .primary-button {
  margin-top: 14px;
}

@media (max-width: 699px) {
  .idiom-chat-challenge {
    padding: 16px;
  }

  .idiom-challenge-log > li {
    width: 92%;
  }

  .idiom-challenge-characters > div {
    grid-template-columns: 1fr;
  }

  .idiom-challenge-compose > div {
    align-items: stretch;
    flex-direction: column;
  }

  .idiom-challenge-compose .primary-button {
    width: 100%;
    min-height: 52px;
  }
}

.idiom-story-panel.has-comic-art:hover .idiom-story-media > img {
  transform: scale(1.015);
}

.idiom-story-bubble {
  position: absolute;
  z-index: 2;
  max-width: min(74%, 210px);
  margin: 0;
  padding: 8px 10px;
  border: 3px solid var(--ink);
  background: var(--paper-soft);
  box-shadow: 4px 4px 0 color-mix(in srgb, var(--ink) 26%, transparent);
  color: var(--ink);
  font-size: clamp(0.875rem, 1.2vw, 0.95rem);
  font-style: normal;
  font-weight: 950;
  line-height: 1.4;
  letter-spacing: -0.035em;
  overflow-wrap: anywhere;
}

.idiom-story-bubble::after {
  content: "";
  position: absolute;
  bottom: -10px;
  width: 12px;
  height: 12px;
  border-right: 3px solid var(--ink);
  border-bottom: 3px solid var(--ink);
  background: var(--paper-soft);
  transform: rotate(45deg);
}

.idiom-story-bubble.is-top-left { top: 12px; left: 12px; }
.idiom-story-bubble.is-top-left::after { left: 18px; }
.idiom-story-bubble.is-top-right { top: 12px; right: 12px; }
.idiom-story-bubble.is-top-right::after { right: 18px; }
.idiom-story-bubble.is-top-center { top: 12px; left: 50%; transform: translateX(-50%); }
.idiom-story-bubble.is-top-center::after { left: calc(50% - 6px); }
.idiom-story-bubble.is-bottom-left { bottom: 18px; left: 12px; }
.idiom-story-bubble.is-bottom-right { right: 12px; bottom: 18px; }

.idiom-story-panel.has-comic-art .idiom-panel-copy {
  min-width: 0;
  padding: 15px 16px 18px;
}

.idiom-story-panel.has-comic-art .idiom-panel-copy small {
  color: var(--accent-dark);
  line-height: 1.4;
}

.idiom-story-panel.has-comic-art .idiom-panel-copy p {
  font-weight: 760;
  line-height: 1.62;
}

@media (max-width: 430px) {
  .idiom-story-panel.has-comic-art {
    grid-template-columns: 1fr;
    grid-template-rows: auto auto;
  }

  .idiom-story-panel.has-comic-art .idiom-panel-copy {
    padding: 14px 14px 17px;
  }

  .idiom-story-bubble {
    max-width: 72%;
    font-size: 0.875rem;
    line-height: 1.4;
  }
}

@media (max-width: 360px) {
  .idiom-story-panel.has-comic-art {
    grid-template-rows: auto auto;
  }
}

@media (prefers-reduced-motion: reduce) {
  .idiom-story-media > img {
    transition: none !important;
  }

  .idiom-story-panel.has-comic-art:hover .idiom-story-media > img {
    transform: none;
  }
}

@media (forced-colors: active) {
  .idiom-story-media,
  .idiom-story-bubble {
    border-color: CanvasText;
    background: Canvas;
    box-shadow: none;
    color: CanvasText;
  }

  .idiom-story-bubble::after {
    border-color: CanvasText;
    background: Canvas;
  }

  .idiom-vocab-glyph-nav > button.has-attempt:not(.is-solved) {
    border-bottom-style: dashed;
  }

  .idiom-vocab-glyph-nav > button.is-solved {
    border-bottom-style: double;
  }
}

/* 사자성어 공감극장 — 도트 사건 기록지에서 편집 원고지로 이어지는 별도 트랙 */
.idiom-course,
.idiom-detail {
  --idiom-night: #1d2925;
  --idiom-gold: #f2bc63;
  --idiom-sky: #9dc9c2;
  --idiom-rose: #e98268;
  max-width: 1080px;
  margin-inline: auto;
}

.idiom-course {
  --idiom-course-accent: var(--accent);
}

.idiom-course-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) clamp(220px, 24vw, 300px);
  gap: clamp(28px, 5vw, 58px);
  align-items: center;
  min-height: 0;
  padding: clamp(34px, 5vw, 56px) 0 clamp(28px, 4vw, 44px);
  border-bottom: 1px solid var(--line-strong);
}

.idiom-course-copy {
  min-width: 0;
}

.idiom-course-copy .view-heading {
  max-width: 720px;
  font-size: clamp(2.25rem, 5.2vw, 4.15rem);
}

.idiom-course-copy > p:not(.eyebrow) {
  max-width: 600px;
  margin: 17px 0 0;
  color: var(--ink-soft);
  font-size: clamp(0.9rem, 1.35vw, 1rem);
  line-height: 1.68;
}

.idiom-course-copy .primary-button {
  min-height: 44px;
  margin-top: 21px;
}

.idiom-poster {
  position: relative;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  width: clamp(220px, 24vw, 300px);
  aspect-ratio: 1;
  justify-self: end;
  padding: clamp(14px, 2.2vw, 24px);
  overflow: hidden;
  border: 3px solid var(--ink);
  background: var(--idiom-night);
  box-shadow: 8px 8px 0 color-mix(in srgb, var(--idiom-course-accent) 22%, var(--paper));
  isolation: isolate;
}

.idiom-course .idiom-poster::before,
.idiom-course .idiom-poster::after {
  background: var(--idiom-course-accent);
}

.idiom-course .idiom-poster::after {
  background: color-mix(in srgb, var(--idiom-course-accent) 72%, white);
}

.idiom-poster::before,
.idiom-poster::after {
  content: "";
  position: absolute;
  z-index: -1;
  width: 46%;
  aspect-ratio: 1;
  background: var(--idiom-rose);
  image-rendering: pixelated;
  clip-path: polygon(0 0, 100% 0, 100% 25%, 75% 25%, 75% 50%, 50% 50%, 50% 75%, 25% 75%, 25% 100%, 0 100%);
}

.idiom-poster::before { left: -7%; top: -6%; }
.idiom-poster::after { right: -7%; bottom: -6%; transform: rotate(180deg); background: var(--idiom-sky); }

.idiom-poster span {
  display: grid;
  place-items: center;
  color: #fff8e7;
  font-family: var(--font-hanja);
  font-size: clamp(2.7rem, 6.3vw, 4.8rem);
  line-height: 1;
  text-shadow: 5px 5px 0 rgba(0, 0, 0, 0.28);
  animation: idiom-stamp-in 520ms steps(5, end) both;
}

.idiom-poster span:nth-child(2) { animation-delay: 80ms; }
.idiom-poster span:nth-child(3) { animation-delay: 160ms; }
.idiom-poster span:nth-child(4) { animation-delay: 240ms; }

.idiom-poster small {
  position: absolute;
  right: 7px;
  bottom: 7px;
  padding: 4px 6px;
  background: var(--idiom-course-accent);
  color: var(--ink);
  font-size: 0.62rem;
  font-weight: 900;
  letter-spacing: 0.08em;
}

@keyframes idiom-stamp-in {
  from { opacity: 0; transform: translateY(18px) scale(0.84); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

.idiom-course-summary {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 14px;
  align-items: center;
  padding: 16px 0;
  border-bottom: 1px solid var(--line-strong);
}

.idiom-course-summary strong {
  font-size: 1.05rem;
}

.idiom-course-summary small {
  color: var(--ink-soft);
  font-weight: 750;
}

.idiom-course-summary progress {
  width: 100%;
  height: 8px;
  overflow: hidden;
  border: 0;
  background: var(--paper-deep);
}

.idiom-course-summary progress::-webkit-progress-bar { background: var(--paper-deep); }
.idiom-course-summary progress::-webkit-progress-value { background: var(--accent); }
.idiom-course-summary progress::-moz-progress-bar { background: var(--accent); }

/* Course entrance: one recommended episode first, the full catalogue on request. */
.idiom-course-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 24px;
  align-items: end;
  padding: clamp(30px, 4vw, 44px) 0 18px;
  border-bottom: 1px solid var(--line-strong);
}

.idiom-course-head .view-heading {
  max-width: none;
  margin-top: 6px;
  font-size: clamp(2.35rem, 5vw, 3.9rem);
}

.idiom-course-overall {
  display: grid;
  grid-template-columns: auto auto;
  gap: 1px 8px;
  align-items: baseline;
  min-width: 126px;
  padding: 10px 0 8px 16px;
  border-left: 4px solid var(--idiom-course-accent);
}

.idiom-course-overall strong {
  color: var(--ink);
  font-size: clamp(1.35rem, 2.8vw, 2rem);
  line-height: 1;
}

.idiom-course-overall strong small {
  font-size: 0.56em;
}

.idiom-course-overall > span {
  color: var(--ink-soft);
  font-size: 0.72rem;
  font-weight: 850;
}

.idiom-course-overall progress,
.idiom-current-progress progress {
  width: 100%;
  height: 7px;
  overflow: hidden;
  border: 0;
  background: var(--paper-deep);
}

.idiom-course-overall progress {
  grid-column: 1 / -1;
  margin-top: 7px;
}

.idiom-course-overall progress::-webkit-progress-bar,
.idiom-current-progress progress::-webkit-progress-bar { background: var(--paper-deep); }
.idiom-course-overall progress::-webkit-progress-value,
.idiom-current-progress progress::-webkit-progress-value { background: var(--idiom-course-accent); }
.idiom-course-overall progress::-moz-progress-bar,
.idiom-current-progress progress::-moz-progress-bar { background: var(--idiom-course-accent); }

.idiom-course-current {
  position: relative;
  display: grid;
  grid-template-columns: 132px minmax(0, 1fr);
  gap: 14px 24px;
  align-items: center;
  padding: 22px 0 24px;
  border-bottom: 1px solid var(--line-strong);
}

.idiom-current-poster {
  grid-row: 1 / span 2;
  width: 132px;
  justify-self: start;
  padding: 10px;
  border-width: 3px;
  box-shadow: 5px 5px 0 color-mix(in srgb, var(--idiom-course-accent) 22%, var(--paper));
}

.idiom-current-poster span {
  font-size: clamp(1.85rem, 3.8vw, 2.7rem);
  text-shadow: 3px 3px 0 rgba(0, 0, 0, 0.28);
}

.idiom-current-poster small {
  right: 4px;
  bottom: 4px;
  padding: 3px 5px;
  font-size: 0.5rem;
  letter-spacing: 0.03em;
}

.idiom-current-copy {
  display: grid;
  gap: 6px;
  min-width: 0;
}

.idiom-current-copy > * {
  margin-block: 0;
}

.idiom-current-kicker {
  color: var(--accent-dark);
  font-size: 0.7rem;
  font-weight: 900;
  letter-spacing: 0.06em;
}

.idiom-current-copy h2 {
  max-width: calc(100% - 210px);
  font-size: clamp(1.35rem, 3.4vw, 2.05rem);
  letter-spacing: -0.05em;
  line-height: 1.2;
}

.idiom-current-teaser {
  color: var(--ink-soft);
  font-size: 0.82rem;
  line-height: 1.55;
}

.idiom-current-progress {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(120px, 40%);
  gap: 12px;
  align-items: center;
  margin-top: 4px;
}

.idiom-current-progress > div {
  display: flex;
  flex-wrap: wrap;
  gap: 3px 10px;
  align-items: baseline;
}

.idiom-current-progress strong {
  font-size: 0.76rem;
}

.idiom-current-progress span {
  color: var(--ink-soft);
  font-size: 0.68rem;
  font-weight: 750;
}

.idiom-course-current > .primary-button {
  grid-column: 2;
  width: min(100%, 520px);
  min-height: 50px;
  justify-self: start;
  margin: 0;
}

.idiom-current-library {
  grid-column: 1 / -1;
  min-width: 0;
}

.idiom-current-library:not([open]) {
  height: 0;
  margin-top: -14px;
}

.idiom-current-library > summary {
  position: absolute;
  top: 22px;
  right: 0;
  display: inline-flex;
  gap: 7px;
  align-items: center;
  box-sizing: border-box;
  min-height: 44px;
  padding: 8px 34px 8px 12px;
  border: 1px solid var(--line-strong);
  background: color-mix(in srgb, var(--paper) 84%, transparent);
  cursor: pointer;
  list-style: none;
}

.idiom-current-library > summary::-webkit-details-marker {
  display: none;
}

.idiom-disclosure-mark {
  position: absolute;
  top: 50%;
  right: 2px;
  width: 22px;
  height: 22px;
  color: var(--ink-soft);
  transform: translateY(-50%);
}

.idiom-disclosure-mark::before,
.idiom-disclosure-mark::after {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 12px;
  height: 2px;
  background: currentColor;
  content: "";
  transform: translate(-50%, -50%);
}

.idiom-disclosure-mark::after {
  transform: translate(-50%, -50%) rotate(90deg);
}

.idiom-current-library[open] .idiom-disclosure-mark::after {
  display: none;
}

.idiom-current-library > summary > span {
  color: var(--ink);
  font-size: 0.72rem;
  font-weight: 900;
  white-space: nowrap;
}

.idiom-current-library > summary > small {
  color: var(--ink-soft);
  font-size: 0.62rem;
  font-weight: 750;
  white-space: nowrap;
}

.idiom-current-library > summary:hover,
.idiom-current-library[open] > summary {
  border-color: var(--ink);
  background: var(--paper-soft);
}

.idiom-current-library > summary:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 3px;
}

.idiom-current-library[open] {
  margin-top: 0;
  padding-top: 20px;
  border-top: 1px solid var(--line);
}

.idiom-current-library .idiom-library-heading {
  padding: 18px 0 14px;
}

.idiom-current-library .idiom-list {
  margin-bottom: 12px;
}

/* The resume case is a single working strip, not a dashboard card. */
.idiom-next,
.idiom-course-next {
  display: grid;
  grid-template-columns: 112px minmax(0, 1fr);
  gap: 16px;
  align-items: center;
  min-width: 0;
  padding: 16px 0;
  border-top: 1px solid var(--line-strong);
  border-bottom: 1px solid var(--line-strong);
}

.idiom-course-hero > .idiom-next,
.idiom-course-hero > .idiom-course-next,
.idiom-course-hero > .idiom-course-flow {
  grid-column: 1 / -1;
}

.idiom-next .idiom-poster,
.idiom-course-next .idiom-poster,
.idiom-next-visual,
.idiom-next-thumbnail {
  width: 112px;
  min-width: 0;
  justify-self: start;
  box-shadow: 5px 5px 0 color-mix(in srgb, var(--idiom-course-accent) 22%, var(--paper));
}

.idiom-next-copy,
.idiom-next-body,
.idiom-course-next-copy {
  display: grid;
  gap: 7px;
  min-width: 0;
}

.idiom-next-copy > *,
.idiom-next-body > *,
.idiom-course-next-copy > * {
  margin-block: 0;
}

.idiom-next-kicker,
.idiom-next-stage,
.idiom-next-meta {
  color: var(--accent-dark);
  font-size: 0.7rem;
  font-weight: 900;
  letter-spacing: 0.04em;
}

.idiom-next-title,
.idiom-next h2,
.idiom-course-next h2 {
  margin: 0;
  font-size: clamp(1.25rem, 3vw, 1.8rem);
  letter-spacing: -0.045em;
  line-height: 1.2;
}

.idiom-next-meaning,
.idiom-next-description,
.idiom-course-next p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.8rem;
  line-height: 1.55;
}

.idiom-next-progress {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 8px;
  align-items: center;
}

.idiom-next-progress progress {
  width: 100%;
  height: 6px;
}

.idiom-next .primary-button,
.idiom-next .secondary-button,
.idiom-course-next .primary-button,
.idiom-course-next .secondary-button {
  min-height: 44px;
  justify-self: start;
}

.idiom-course-flow {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  margin: 14px 0 0;
  padding: 10px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  list-style: none;
}

.idiom-course-flow > * {
  display: grid;
  align-content: center;
  min-width: 0;
  min-height: 44px;
  padding: 5px 12px;
  border-left: 1px solid var(--line);
  color: var(--ink-soft);
  font-size: 0.68rem;
  line-height: 1.35;
}

.idiom-course-flow > :first-child {
  border-left: 0;
}

.idiom-course-flow strong,
.idiom-course-flow b {
  color: var(--ink);
  font-size: 0.76rem;
}

.idiom-course-focus {
  display: grid;
  gap: 4px;
  min-width: 0;
  margin-top: 18px;
  padding-left: 14px;
  border-left: 4px solid var(--idiom-course-accent);
}

.idiom-course-focus > * {
  margin-block: 0;
}

.idiom-course-focus h2,
.idiom-course-focus strong {
  font-size: clamp(1.12rem, 2.6vw, 1.55rem);
  letter-spacing: -0.04em;
  line-height: 1.25;
}

.idiom-course-focus p:last-child,
.idiom-course-focus small {
  color: var(--ink-soft);
  font-size: 0.78rem;
  line-height: 1.5;
}

.idiom-course-focus > small:first-child {
  color: var(--accent-dark);
  font-size: 0.7rem;
  font-weight: 900;
  letter-spacing: 0.05em;
}

.idiom-course-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 14px;
  margin-top: 14px;
}

.idiom-course-actions .primary-button,
.idiom-course-actions .secondary-button {
  min-height: 44px;
  margin-top: 0;
}

.idiom-course-steps {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 6px 14px;
  align-items: center;
  margin: 14px 0 0;
  padding: 10px 2px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  list-style: none;
}

.idiom-course-steps > * {
  min-width: 0;
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.68rem;
  line-height: 1.35;
}

.idiom-course-steps strong,
.idiom-course-steps b {
  color: var(--ink);
  font-size: 0.76rem;
}

.idiom-course-steps small {
  justify-self: end;
  font-weight: 750;
}

.idiom-row.is-current {
  padding-inline: 12px;
  border-left: 4px solid var(--idiom-course-accent);
  background: color-mix(in srgb, var(--idiom-course-accent) 6%, var(--paper));
}

.idiom-course a:focus-visible,
.idiom-course button:focus-visible {
  outline: 3px solid var(--accent-dark);
  outline-offset: 3px;
}

.idiom-library-heading {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  align-items: end;
  padding: 54px 0 18px;
}

.idiom-library-heading h2 {
  margin: 0;
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  letter-spacing: -0.06em;
}

.idiom-library-heading > p {
  max-width: 440px;
  margin: 0;
  color: var(--ink-soft);
  line-height: 1.65;
}

.idiom-list {
  margin: 0 0 70px;
  padding: 0;
  border-top: 1px solid var(--line-strong);
  list-style: none;
}

.idiom-row {
  display: grid;
  grid-template-columns: 54px 180px minmax(0, 1fr) auto;
  gap: 18px;
  align-items: center;
  min-height: 112px;
  padding: 18px 4px;
  border-bottom: 1px solid var(--line-strong);
  transition: padding 180ms ease, background 180ms ease;
}

.idiom-row:hover {
  padding-inline: 16px;
  background: rgba(250, 248, 242, 0.62);
}

.idiom-row-number {
  color: var(--accent-dark);
  font-size: 0.72rem;
  font-weight: 900;
  letter-spacing: 0.12em;
}

.idiom-row-glyphs {
  font-family: var(--font-hanja);
  font-size: clamp(1.65rem, 4vw, 2.4rem);
  letter-spacing: 0.06em;
}

.idiom-row-copy {
  display: grid;
  gap: 5px;
  min-width: 0;
}

.idiom-row-copy strong {
  font-size: 1.06rem;
}

.idiom-row-copy > span {
  color: var(--ink);
  font-size: 0.82rem;
  font-weight: 780;
}

.idiom-row-copy small {
  overflow: hidden;
  color: var(--ink-soft);
  font-size: 0.78rem;
  font-weight: 650;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.idiom-row-status {
  display: grid;
  gap: 4px;
  justify-items: end;
  color: var(--ink-soft);
  font-size: 0.72rem;
  font-weight: 800;
}

.idiom-row-status b { color: var(--success); }
.idiom-row-status svg { width: 20px; }

.idiom-detail-back {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  min-height: 44px;
  margin-top: 24px;
  color: var(--ink-soft);
  font-size: 0.8rem;
  font-weight: 800;
}

.idiom-detail-back-row {
  display: flex;
  align-items: center;
  gap: 2px;
  width: fit-content;
  margin-top: 24px;
}

.idiom-detail-back-row .idiom-detail-back {
  margin-top: 0;
}

.idiom-detail-back svg {
  width: 18px;
  transform: rotate(180deg);
}

.idiom-detail-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 28px;
  align-items: end;
  padding: 34px 0 36px;
  border-bottom: 1px solid var(--line-strong);
}

.idiom-title-line {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 12px 18px;
}

.idiom-title-line h1 {
  margin: 0;
  font-size: clamp(2.25rem, 7vw, 5rem);
  letter-spacing: -0.07em;
}

.idiom-title-line b {
  color: var(--accent-dark);
  font-family: var(--font-hanja);
  font-size: clamp(1.2rem, 3vw, 1.8rem);
  letter-spacing: 0.16em;
}

.idiom-detail-head p:not(.eyebrow) {
  max-width: 650px;
  margin: 16px 0 0;
  color: var(--ink-soft);
  line-height: 1.7;
}

.idiom-progress-mark {
  display: grid;
  justify-items: center;
  gap: 5px;
  min-width: 120px;
  padding: 17px 20px;
  border: 3px solid var(--ink);
  background: var(--paper-soft);
  box-shadow: 6px 6px 0 var(--accent-soft);
}

.idiom-progress-mark strong {
  font-size: 1.55rem;
}

.idiom-progress-mark small {
  color: var(--ink-soft);
  font-size: 0.72rem;
  font-weight: 800;
}

.idiom-story-section {
  padding: 48px 0 52px;
  border-bottom: 1px solid var(--line-strong);
}

.idiom-section-heading {
  display: flex;
  justify-content: space-between;
  gap: 22px;
  align-items: end;
  margin-bottom: 20px;
}

.idiom-section-heading h2,
.idiom-workbench h2,
.idiom-writer h2 {
  margin: 0;
  font-size: clamp(1.5rem, 4vw, 2.4rem);
  letter-spacing: -0.055em;
}

.idiom-section-heading p {
  max-width: 430px;
  margin: 0;
  color: var(--ink-soft);
  line-height: 1.55;
}

.idiom-story-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
}

.idiom-story-panel {
  display: grid;
  grid-template-rows: 150px auto;
  min-width: 0;
  overflow: hidden;
  border: 2px solid var(--ink);
  background: var(--paper-soft);
  animation: idiom-panel-in 420ms steps(4, end) both;
}

.idiom-story-panel:nth-child(2) { animation-delay: 80ms; }
.idiom-story-panel:nth-child(3) { animation-delay: 160ms; }
.idiom-story-panel:nth-child(4) { animation-delay: 240ms; }

@keyframes idiom-panel-in {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: translateY(0); }
}

.idiom-panel-scene {
  position: relative;
  display: grid;
  place-items: end center;
  overflow: hidden;
  padding: 18px;
  background: var(--idiom-sky);
}

.idiom-story-panel:nth-child(2n) .idiom-panel-scene { background: var(--idiom-gold); }
.idiom-story-panel:nth-child(3n) .idiom-panel-scene { background: var(--idiom-rose); }

.idiom-panel-scene::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 22%;
  background: var(--idiom-night);
  box-shadow: 0 -10px 0 rgba(255, 255, 255, 0.22);
}

.idiom-pixel-actor {
  position: relative;
  z-index: 1;
  width: 64px;
  height: 76px;
  background: var(--paper-soft);
  border: 6px solid var(--ink);
  box-shadow: -18px 12px 0 -8px var(--ink), 18px 12px 0 -8px var(--ink);
}

.idiom-pixel-actor::before {
  content: "";
  position: absolute;
  left: 10px;
  top: 17px;
  width: 8px;
  height: 8px;
  background: var(--ink);
  box-shadow: 28px 0 0 var(--ink), 14px 18px 0 -2px var(--accent);
}

.idiom-pixel-prop {
  position: absolute;
  z-index: 2;
  right: 16px;
  top: 14px;
  max-width: 92px;
  padding: 7px 9px;
  background: var(--paper-soft);
  border: 3px solid var(--ink);
  color: var(--ink);
  font-size: 0.65rem;
  font-weight: 900;
  line-height: 1.25;
}

.idiom-panel-copy {
  padding: 14px 14px 16px;
}

.idiom-panel-copy small {
  display: block;
  margin-bottom: 5px;
  color: var(--accent-dark);
  font-size: 0.68rem;
  font-weight: 900;
}

.idiom-panel-copy p {
  margin: 0;
  font-size: 0.8rem;
  font-weight: 700;
  line-height: 1.55;
}

.idiom-workbench,
.idiom-writer {
  padding: 50px 0;
  border-bottom: 1px solid var(--line-strong);
}

.idiom-workbench-step {
  display: grid;
  grid-template-columns: 170px minmax(0, 1fr);
  gap: clamp(22px, 5vw, 70px);
  padding: 32px 0;
  border-top: 1px solid var(--line-strong);
}

.idiom-workbench-step:first-of-type { margin-top: 22px; }

.idiom-step-label {
  display: grid;
  align-content: start;
  gap: 6px;
}

.idiom-step-label span {
  color: var(--accent-dark);
  font-size: 0.7rem;
  font-weight: 900;
  letter-spacing: 0.12em;
}

.idiom-step-label strong {
  font-size: 1.02rem;
}

.idiom-step-body > p:first-child {
  margin: 0 0 16px;
  font-size: 1rem;
  font-weight: 760;
  line-height: 1.55;
}

.idiom-choice-list {
  display: grid;
  gap: 9px;
}

.idiom-choice {
  display: grid;
  grid-template-columns: 34px 1fr auto;
  gap: 12px;
  align-items: center;
  min-height: 58px;
  padding: 9px 12px;
  border: 1px solid var(--line-strong);
  background: transparent;
  text-align: left;
  cursor: pointer;
}

.idiom-choice > span {
  display: grid;
  place-items: center;
  width: 30px;
  height: 30px;
  background: var(--paper-deep);
  font-size: 0.72rem;
  font-weight: 900;
}

.idiom-choice strong {
  font-size: 0.84rem;
  line-height: 1.45;
}

.idiom-choice:hover,
.idiom-choice.is-selected { border-color: var(--ink); background: var(--paper-soft); }
.idiom-choice.is-correct { border-left: 6px solid var(--success); }
.idiom-choice.is-wrong { border-left: 6px solid var(--danger); }
.idiom-choice:disabled { cursor: default; }
.idiom-choice svg { width: 20px; color: var(--success); }

.idiom-choice-feedback {
  margin: 12px 0 0;
  padding: 12px 15px;
  background: var(--paper-deep);
  color: var(--ink-soft);
  font-size: 0.78rem;
  line-height: 1.6;
}

.idiom-empathy-choice-group {
  min-width: 0;
  margin: 0;
  padding: 0;
  border: 0;
}

.idiom-empathy-choice {
  width: 100%;
}

.idiom-empathy-choice:has(input:focus-visible) {
  outline: 3px solid var(--accent-dark);
  outline-offset: 3px;
}

.idiom-empathy-choice:has(input:disabled) {
  cursor: default;
}

.idiom-empathy-stage {
  min-width: 0;
}

.idiom-empathy-stage.is-revisit {
  padding-top: clamp(20px, 4vw, 36px);
  border-bottom: 1px solid var(--line-strong);
}

.idiom-empathy-reflection-gate,
.idiom-empathy-reflection {
  width: min(100%, 760px);
  margin: 0 0 34px auto;
  padding: 28px 0;
  border-top: 2px solid var(--ink);
  border-bottom: 1px solid var(--line-strong);
}

.idiom-empathy-reflection-gate > * {
  margin-block: 0;
}

.idiom-empathy-reflection-gate p {
  margin-top: 7px;
  color: var(--ink-soft);
  font-size: 0.8rem;
  line-height: 1.6;
}

.idiom-empathy-reflection > header {
  display: grid;
  gap: 7px;
  margin-bottom: 20px;
}

.idiom-empathy-reflection > header > * {
  margin-block: 0;
}

.idiom-empathy-reflection > header h3 {
  font-size: clamp(1.35rem, 3.2vw, 1.85rem);
  letter-spacing: -0.045em;
  line-height: 1.2;
}

.idiom-empathy-reflection > header p:last-child {
  max-width: 670px;
  color: var(--ink-soft);
  font-size: 0.86rem;
  line-height: 1.65;
}

.idiom-empathy-author-field {
  display: grid;
  gap: 9px;
}

.idiom-empathy-author-field > span {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 5px 16px;
  font-size: 0.9rem;
  font-weight: 850;
}

.idiom-empathy-author-field small {
  color: var(--ink-soft);
  font-size: 0.7rem;
  font-weight: 760;
}

.idiom-empathy-author-field textarea {
  box-sizing: border-box;
  width: 100%;
  min-width: 0;
  min-height: 156px;
  resize: vertical;
  padding: 15px 16px;
  border: 2px solid var(--ink);
  background: color-mix(in srgb, var(--paper) 94%, white);
  color: var(--ink);
  font: inherit;
  font-size: 1rem;
  line-height: 1.65;
}

.idiom-empathy-author-field textarea[aria-invalid="true"] {
  border-color: var(--danger);
  outline: 2px solid color-mix(in srgb, var(--danger) 35%, transparent);
}

.idiom-empathy-author-field textarea[readonly] {
  background: var(--paper-deep);
}

.idiom-empathy-writing-help,
.idiom-empathy-privacy {
  margin: 9px 0 0;
  color: var(--ink-soft);
  font-size: 0.72rem;
  line-height: 1.55;
}

.idiom-empathy-privacy a {
  color: var(--ink);
  font-weight: 850;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.idiom-experience-ai-status {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 12px 18px;
  align-items: center;
  min-width: 0;
  margin-top: 20px;
  padding: 14px 0;
  border-top: 1px solid var(--line-strong);
  border-bottom: 1px solid var(--line);
}

.idiom-experience-ai-status > span {
  display: grid;
  min-width: 0;
  gap: 4px;
}

.idiom-experience-ai-status strong {
  font-size: 0.78rem;
  line-height: 1.45;
}

.idiom-experience-ai-status small {
  color: var(--ink-soft);
  font-size: 0.7rem;
  line-height: 1.5;
}

.idiom-experience-ai-status > a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 104px;
  min-height: 48px;
}

.idiom-experience-ai-status:focus-visible,
.idiom-experience-ai-status > a:focus-visible {
  outline: 3px solid var(--accent-dark);
  outline-offset: 3px;
}

.settings-list > .idiom-writing-ai-setting {
  display: grid;
  gap: 14px;
  align-items: stretch;
  justify-content: stretch;
  width: 100%;
  min-width: 0;
  padding-block: 20px;
}

.idiom-writing-ai-setting-head {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: start;
  min-width: 0;
}

.idiom-writing-ai-setting-head > span {
  display: grid;
  gap: 5px;
  min-width: 0;
}

.idiom-writing-ai-setting-head > strong:last-child {
  flex: 0 0 auto;
  color: var(--accent-dark);
}

.idiom-writing-ai-setting p {
  max-width: 780px;
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.78rem;
  font-weight: 720;
  line-height: 1.6;
}

.idiom-writing-ai-setting-checks {
  display: grid;
  min-width: 0;
  margin: 0;
  padding: 0;
  border: 0;
  border-top: 1px solid var(--line);
}

.idiom-writing-ai-setting-checks label {
  display: grid;
  grid-template-columns: 24px minmax(0, 1fr);
  gap: 10px;
  align-items: center;
  min-height: 50px;
  padding: 9px 0;
  border-bottom: 1px solid var(--line);
  cursor: pointer;
}

.idiom-writing-ai-setting-checks input {
  width: 20px;
  height: 20px;
  margin: 0;
  accent-color: var(--accent-dark);
}

.idiom-writing-ai-setting-checks span {
  min-width: 0;
  font-size: 0.76rem;
  font-weight: 750;
  line-height: 1.5;
  overflow-wrap: anywhere;
}

.idiom-writing-ai-setting-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 18px;
  align-items: center;
}

.idiom-writing-ai-setting-actions button {
  min-height: 48px;
}

.idiom-writing-ai-setting:focus-visible,
.idiom-writing-ai-setting-checks input:focus-visible,
.idiom-writing-ai-setting-actions :where(button, a):focus-visible {
  outline: 3px solid var(--accent-dark);
  outline-offset: 3px;
}

.idiom-empathy-actions {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin-top: 20px;
}

.idiom-empathy-actions.is-local-only {
  grid-template-columns: 1fr;
}

.idiom-empathy-actions > :where(button, a) {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  min-width: 0;
  min-height: 52px;
}

.idiom-empathy-local-note {
  display: block;
  margin-top: 10px;
  color: var(--ink-soft);
  font-size: 0.68rem;
  font-weight: 720;
  line-height: 1.5;
}

.idiom-empathy-ai-state {
  margin: 14px 0 0;
  padding: 11px 13px;
  background: var(--paper-deep);
  color: var(--ink-soft);
  font-size: 0.76rem;
  line-height: 1.55;
}

.idiom-empathy-ai-state:empty {
  display: none;
}

.idiom-empathy-draft-basis {
  margin: 14px 0 0;
  padding: 11px 13px;
  border-left: 5px dashed var(--accent-dark);
  background: var(--paper-deep);
  color: var(--ink-soft);
  font-size: 0.76rem;
  font-weight: 780;
  line-height: 1.55;
}

.idiom-empathy-draft-basis + .idiom-empathy-ai-feedback,
.idiom-empathy-ai-feedback.is-draft-stale {
  border-left-style: dashed;
}

.idiom-empathy-ai-feedback {
  margin-top: 22px;
  padding: 20px 0 0 18px;
  border-top: 1px solid var(--line-strong);
  border-left: 5px solid var(--accent);
}

.idiom-empathy-ai-feedback.is-aligned {
  border-left-color: var(--success);
}

.idiom-empathy-ai-feedback.is-safety_support {
  border-left-style: dashed;
}

.idiom-empathy-ai-feedback > header {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 14px;
}

.idiom-empathy-ai-feedback > header :where(h3, small),
.idiom-empathy-ai-feedback h4,
.idiom-empathy-ai-feedback p,
.idiom-empathy-ai-feedback blockquote {
  margin-block: 0;
}

.idiom-empathy-ai-feedback > header small {
  color: var(--accent-dark);
  font-size: 0.66rem;
  font-weight: 900;
}

.idiom-empathy-ai-feedback > header h3 {
  margin-top: 4px;
  font-size: 1.08rem;
  line-height: 1.35;
}

.idiom-empathy-ai-feedback > header > strong {
  flex: 0 0 auto;
  color: var(--ink-soft);
  font-size: 0.66rem;
}

.idiom-empathy-ai-feedback blockquote {
  margin-top: 16px;
  padding: 10px 13px;
  background: var(--paper-deep);
  font-size: 0.78rem;
  font-weight: 760;
  line-height: 1.55;
}

.idiom-empathy-feedback-copy {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0;
  margin-top: 16px;
  border-top: 1px solid var(--line);
}

.idiom-empathy-feedback-copy > section {
  min-width: 0;
  padding: 14px 14px 0 0;
}

.idiom-empathy-feedback-copy > section + section {
  padding-left: 14px;
  border-left: 1px solid var(--line);
}

.idiom-empathy-feedback-copy h4 {
  font-size: 0.72rem;
}

.idiom-empathy-feedback-copy p {
  margin-top: 6px;
  color: var(--ink-soft);
  font-size: 0.76rem;
  line-height: 1.6;
}

.idiom-token-stage {
  display: grid;
  gap: 14px;
}

.idiom-token-slots,
.idiom-token-tray {
  display: grid;
  grid-template-columns: repeat(4, minmax(58px, 1fr));
  gap: 8px;
}

.idiom-token-slot,
.idiom-token {
  min-height: 94px;
  border: 2px solid var(--ink);
  background: var(--paper-soft);
}

.idiom-token-slot {
  display: grid;
  place-items: center;
  border-style: dashed;
  color: var(--ink-faint);
  font-size: 0.7rem;
  font-weight: 900;
}

.idiom-token-slot.is-filled {
  border-style: solid;
  background: var(--idiom-night);
  color: white;
  font-family: var(--font-hanja);
  font-size: clamp(2rem, 7vw, 3.5rem);
}

.idiom-token {
  display: grid;
  place-items: center;
  align-content: center;
  gap: 3px;
  cursor: pointer;
  transition: transform 120ms steps(2, end), opacity 120ms linear;
}

.idiom-token:hover { transform: translateY(-4px); }
.idiom-token:disabled { cursor: default; opacity: 0.32; transform: none; }
.idiom-token b { font-family: var(--font-hanja); font-size: 2rem; }
.idiom-token small { color: var(--ink-soft); font-size: 0.68rem; font-weight: 800; }

.idiom-token-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
}

.idiom-writer-intro {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(250px, 0.75fr);
  gap: 28px;
  align-items: start;
  margin-top: 22px;
}

.idiom-writing-prompt {
  margin: 0;
  font-size: clamp(1.05rem, 2vw, 1.32rem);
  font-weight: 760;
  line-height: 1.62;
}

.idiom-writing-brief {
  margin: 0;
  padding: 17px;
  border-left: 5px solid var(--idiom-rose);
  background: var(--paper-deep);
}

.idiom-writing-brief strong,
.idiom-writing-brief small { display: block; }
.idiom-writing-brief small { margin-top: 5px; color: var(--ink-soft); line-height: 1.5; }

.idiom-author-field {
  display: grid;
  gap: 8px;
  margin-top: 24px;
}

.idiom-author-field > span {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  font-size: 0.82rem;
  font-weight: 850;
}

.idiom-author-field small { color: var(--ink-soft); }

.idiom-author-field textarea {
  width: 100%;
  min-height: 210px;
  resize: vertical;
  padding: 22px;
  border: 2px solid var(--ink);
  border-radius: 0;
  background:
    linear-gradient(transparent 31px, rgba(24, 35, 31, 0.12) 32px),
    var(--paper-soft);
  background-size: 100% 32px;
  color: var(--ink);
  font: 700 1rem/2 var(--font-sans);
}

.idiom-author-field textarea:focus { outline: 4px solid var(--accent-soft); outline-offset: 2px; }

.idiom-writing-privacy {
  margin: 10px 0 0;
  color: var(--ink-soft);
  font-size: 0.72rem;
  font-weight: 720;
  line-height: 1.6;
}

.idiom-writing-privacy strong { color: var(--ink); }

.idiom-writing-privacy a {
  color: var(--ink);
  font-weight: 850;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.idiom-writer-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 16px;
  align-items: center;
  margin-top: 20px;
}

.idiom-writer-actions > small {
  max-width: 680px;
  color: var(--ink-soft);
  font-weight: 750;
  line-height: 1.55;
}

.idiom-writing-save-actions {
  padding-bottom: 4px;
}

.idiom-writing-ai-output {
  margin-top: 32px;
  padding-top: 28px;
  border-top: 1px solid var(--line-strong);
}

.idiom-ai-feedback {
  margin-top: 22px;
  padding: 24px;
  border: 3px solid var(--ink);
  background: var(--paper-soft);
  box-shadow: 8px 8px 0 var(--idiom-sky);
  animation: idiom-feedback-in 260ms ease-out both;
}

@keyframes idiom-feedback-in {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.idiom-ai-feedback header {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  align-items: baseline;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line-strong);
}

.idiom-ai-feedback header > div {
  display: grid;
  gap: 5px;
}

.idiom-ai-feedback header > div > small {
  color: var(--accent-dark);
  font-size: 0.66rem;
  font-weight: 900;
}

.idiom-ai-feedback h3 { margin: 0; font-size: 1.3rem; }
.idiom-ai-feedback header span { color: var(--ink-soft); font-size: 0.72rem; font-weight: 850; }

.idiom-rubric-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  margin-top: 18px;
  background: var(--line-strong);
  border: 1px solid var(--line-strong);
}

.idiom-rubric-grid > div {
  display: grid;
  gap: 5px;
  padding: 13px;
  background: var(--paper-soft);
}

.idiom-rubric-grid small { color: var(--ink-soft); font-size: 0.66rem; font-weight: 850; }
.idiom-rubric-grid strong { font-size: 1.1rem; }

.idiom-rubric-evidence {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 14px;
}

.idiom-rubric-evidence section {
  padding: 14px;
  border: 1px solid var(--line-strong);
  background: rgba(250, 248, 242, 0.7);
}

.idiom-rubric-evidence h4 {
  margin: 0 0 7px;
  font-size: 0.74rem;
}

.idiom-rubric-evidence q {
  display: block;
  margin-bottom: 7px;
  color: var(--ink);
  font-size: 0.78rem;
  font-weight: 850;
  line-height: 1.5;
}

.idiom-rubric-evidence p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.76rem;
  line-height: 1.55;
}

.idiom-feedback-copy {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 22px;
  margin-top: 20px;
}

.idiom-feedback-copy section { border-left: 4px solid var(--success); padding-left: 14px; }
.idiom-feedback-copy section:last-child { border-left-color: var(--accent); }
.idiom-feedback-copy h4 { margin: 0 0 6px; font-size: 0.78rem; }
.idiom-feedback-copy p { margin: 0; color: var(--ink-soft); font-size: 0.82rem; line-height: 1.6; }
.idiom-evidence-quote { display: inline; background: var(--accent-soft); color: var(--ink); font-weight: 850; }

.idiom-ai-state {
  margin-top: 16px;
  padding: 13px 15px;
  background: var(--paper-deep);
  color: var(--ink-soft);
  font-size: 0.8rem;
  font-weight: 750;
  line-height: 1.55;
}

/* A single episode moves through answer sheet, result sheet, correction, then writing. */
.idiom-detail {
  --idiom-session-rule: color-mix(in srgb, var(--ink) 24%, transparent);
  --idiom-session-wash: color-mix(in srgb, var(--idiom-sky) 16%, var(--paper));
}

/* One calm worksheet at a time: the route owns the current seven-step lesson page. */
.idiom-stage-shell {
  width: min(100%, 900px);
  min-width: 0;
  margin-inline: auto;
  padding: 10px 0 34px;
}

.idiom-stage-masthead {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 5px clamp(20px, 4vw, 48px);
  align-items: end;
  padding: 14px 0 16px;
  border-bottom: 1px solid var(--line-strong);
}

.idiom-stage-kicker {
  grid-column: 1 / -1;
  min-width: 0;
  margin-block: 0;
}

.idiom-stage-masthead > div {
  grid-column: 1;
  min-width: 0;
}

.idiom-stage-masthead > div > p {
  max-width: 640px;
  margin: 5px 0 0;
  color: var(--ink-soft);
  font-size: 0.78rem;
  line-height: 1.55;
}

.idiom-stage-kicker {
  color: var(--accent-dark);
  font-size: 0.72rem;
  font-weight: 900;
  letter-spacing: 0.055em;
  line-height: 1.45;
}

.idiom-stage-kicker [lang="ko-Hani"] {
  margin-left: 0.45em;
  font-family: var(--font-hanja);
  letter-spacing: 0.1em;
}

.idiom-stage-title {
  min-width: 0;
  margin-block: 0;
  font-size: clamp(1.55rem, 4vw, 2.55rem);
  letter-spacing: -0.055em;
  line-height: 1.14;
}

.idiom-stage-completion {
  grid-column: 2;
  grid-row: 2;
  align-self: center;
  min-width: 70px;
  color: var(--ink);
  font-size: 1.35rem;
  font-variant-numeric: tabular-nums;
  font-weight: 950;
  text-align: right;
}

.idiom-stage-completion small {
  color: var(--ink-soft);
  font-size: 0.68rem;
}

.idiom-stage-meter {
  display: flex;
  flex-wrap: wrap;
  gap: 5px 10px;
  align-items: center;
  justify-content: flex-start;
  width: 100%;
  min-width: 0;
  margin: 10px 0 8px;
  color: var(--ink-soft);
  font-size: 0.68rem;
  font-weight: 850;
  text-align: left;
}

.idiom-stage-meter > * { min-width: 0; margin-block: 0; }

.idiom-stage-meter :where(strong, b) {
  color: var(--ink);
  font-size: 0.78rem;
  white-space: nowrap;
}

.idiom-stage-meter progress {
  flex: 1 1 240px;
  width: min(100%, 520px);
  max-width: 520px;
  min-width: 96px;
  height: 8px;
  overflow: hidden;
  border: 1px solid var(--ink);
  border-radius: 0;
  background: var(--paper-deep);
}

.idiom-stage-meter progress::-webkit-progress-bar { background: var(--paper-deep); }
.idiom-stage-meter progress::-webkit-progress-value { background: var(--accent); }
.idiom-stage-meter progress::-moz-progress-bar { background: var(--accent); }

.idiom-session-shell {
  position: relative;
  min-width: 0;
  padding-bottom: 24px;
}

.idiom-session-progress {
  display: grid;
  grid-template-columns: repeat(var(--idiom-stage-count, 8), minmax(0, 1fr));
  gap: 0;
  align-items: stretch;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line-strong);
  border-bottom: 1px solid var(--line-strong);
  background: var(--line-strong);
  list-style: none;
}

.idiom-session-progress > * {
  min-width: 0;
  margin-block: 0;
}

.idiom-session-progress strong {
  font-size: 0.86rem;
  line-height: 1.35;
}

.idiom-session-progress small {
  color: var(--ink-soft);
  font-size: 0.7rem;
  font-weight: 800;
}

.idiom-session-progress progress {
  grid-column: 1 / -1;
  width: 100%;
  height: 7px;
  overflow: hidden;
  border: 0;
  background: var(--paper-deep);
}

.idiom-session-progress progress::-webkit-progress-bar { background: var(--paper-deep); }
.idiom-session-progress progress::-webkit-progress-value { background: var(--accent); }
.idiom-session-progress progress::-moz-progress-bar { background: var(--accent); }

.idiom-session-progress li {
  display: grid;
  place-items: center;
  min-width: 0;
  min-height: 42px;
  padding: 0;
  border-right: 1px solid var(--line-strong);
  background: var(--paper);
  color: var(--ink-soft);
  font-weight: 850;
}

.idiom-session-progress li:has(> a),
.idiom-session-progress li:has(> [aria-current="step"]),
.idiom-session-progress li:has(> [aria-disabled="true"]) {
  display: block;
  padding: 0;
}

.idiom-session-progress li > :where(a, [aria-current="step"], [aria-disabled="true"]) {
  display: grid;
  place-items: center;
  width: 100%;
  min-width: 0;
  min-height: 42px;
  padding: 3px 2px;
  color: inherit;
}

.idiom-session-progress li > a {
  cursor: pointer;
  transition: background-color 140ms ease, color 140ms ease;
}

.idiom-session-progress li > a:hover {
  background: color-mix(in srgb, var(--accent-soft) 34%, var(--paper));
}

.idiom-session-progress li > a:focus-visible {
  position: relative;
  z-index: 1;
  outline: 3px solid var(--accent-dark);
  outline-offset: -3px;
}

.idiom-session-progress li > :where(a, [aria-current="step"], [aria-disabled="true"]) > span:first-child {
  align-self: center;
  color: var(--accent-dark);
  font-size: 0.74rem;
  font-weight: 950;
  text-align: center;
}

.idiom-session-progress li > :where(a, [aria-current="step"], [aria-disabled="true"]) > :where(strong, small) {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  margin: -1px !important;
  padding: 0 !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}

.idiom-session-progress li > [aria-disabled="true"] {
  cursor: not-allowed;
  opacity: 0.58;
}

.idiom-session-progress li > span {
  grid-row: 1 / span 2;
  align-self: center;
  color: var(--accent-dark);
  font-size: 0.7rem;
  font-weight: 950;
  text-align: center;
}

.idiom-session-progress li > strong,
.idiom-session-progress li > small {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.idiom-session-progress li.is-current,
.idiom-session-progress [aria-current="step"] {
  background: var(--idiom-night);
  color: white;
}

.idiom-session-progress li.is-current > span,
.idiom-session-progress [aria-current="step"] > span {
  color: var(--idiom-gold);
}

.idiom-session-progress li.is-current small,
.idiom-session-progress [aria-current="step"] small {
  color: rgba(255, 255, 255, 0.76);
}

.idiom-session-progress li.is-ready {
  box-shadow: inset 0 -4px 0 var(--accent);
}

.idiom-session-progress li.is-current > [aria-current="step"],
.idiom-session-progress li > [aria-current="step"] {
  background: var(--idiom-night);
  color: white;
}

.idiom-session-progress li.is-current > [aria-current="step"] > span:first-child,
.idiom-session-progress li > [aria-current="step"] > span:first-child {
  color: var(--idiom-gold);
}

.idiom-session-progress li.is-current > [aria-current="step"] small,
.idiom-session-progress li > [aria-current="step"] small {
  color: rgba(255, 255, 255, 0.76);
}

.idiom-stage-page {
  min-width: 0;
  padding: clamp(18px, 3vw, 28px) 0 10px;
  scroll-margin-top: 18px;
  animation: idiom-stage-page-in 170ms ease-out both;
}

.idiom-stage-page:focus-visible {
  outline: 3px solid var(--accent-dark);
  outline-offset: 5px;
}

.idiom-stage-inline-action {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 10px;
  margin-top: 22px;
  padding-top: 16px;
  border-top: 1px solid var(--line-strong);
}

.idiom-stage-inline-action > :where(a, button) {
  min-width: min(100%, 220px);
  min-height: 52px;
}

.idiom-stage-inline-lock {
  display: flex;
  align-items: center;
  min-height: 52px;
  color: var(--ink-soft);
  font-size: 0.82rem;
  font-weight: 850;
  line-height: 1.5;
}

@keyframes idiom-stage-page-in {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

.idiom-stage-pager {
  position: sticky;
  z-index: 34;
  bottom: 18px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(160px, auto) minmax(0, 1fr);
  gap: 10px;
  align-items: center;
  margin-top: 24px;
  padding: 10px 0;
  border-top: 1px solid var(--line-strong);
  border-bottom: 1px solid var(--line-strong);
  background: color-mix(in srgb, var(--paper) 94%, transparent);
  backdrop-filter: blur(14px);
}

.idiom-stage-pager > :where(a, button, span) {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 0;
  min-height: 48px;
  padding: 10px clamp(12px, 2vw, 20px);
  font-size: 0.78rem;
  font-weight: 900;
  line-height: 1.35;
  text-align: center;
}

.idiom-stage-pager > :first-child { justify-self: start; }
.idiom-stage-pager > :last-child { justify-self: end; }
.idiom-stage-pager > :only-child { grid-column: 1 / -1; justify-self: end; }

.idiom-stage-pager > p {
  min-width: 0;
  margin-block: 0;
  color: var(--ink-soft);
  font-size: 0.7rem;
  font-weight: 800;
  line-height: 1.45;
  text-align: center;
}

.idiom-stage-pager > [aria-disabled="true"] {
  border: 1px dashed var(--line-strong);
  color: var(--ink-soft);
  cursor: not-allowed;
}

.idiom-stage-pager > :where(a, button):focus-visible {
  outline: 3px solid var(--accent-dark);
  outline-offset: 3px;
}

/* Quiz/review already owns a sticky submission dock; do not stack two docks. */
.idiom-stage-shell:is([data-stage="quiz"], [data-stage="assessment"], [data-stage="summary"]) .idiom-stage-pager {
  position: static;
}

/* Study/story use small internal pages so one lesson task, not the whole chapter, is visible. */
.idiom-study-subnav,
.idiom-story-subnav,
.idiom-study-subnav > ol,
.idiom-story-subnav > ol {
  min-width: 0;
  margin: 0;
  padding: 0;
}

.idiom-study-subnav > ol,
.idiom-story-subnav > ol {
  display: grid;
  gap: 1px;
  border: 1px solid var(--ink);
  background: var(--ink);
  list-style: none;
}

.idiom-study-subnav > ol { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.idiom-story-subnav > ol { grid-template-columns: repeat(2, minmax(0, 1fr)); }

.idiom-study-subnav li,
.idiom-story-subnav li {
  min-width: 0;
  background: var(--paper-soft);
}

.idiom-study-subnav button,
.idiom-story-subnav button {
  display: grid;
  grid-template-columns: 28px minmax(0, 1fr);
  gap: 8px;
  place-items: center start;
  width: 100%;
  min-width: 0;
  min-height: 48px;
  padding: 7px 9px;
  border: 0;
  border-bottom: 4px solid transparent;
  border-radius: 0;
  background: var(--paper-soft);
  color: var(--ink-soft);
  cursor: pointer;
  font: inherit;
  text-align: left;
  transition: background-color 140ms ease, color 140ms ease, border-color 140ms ease;
}

.idiom-study-subnav button > span,
.idiom-story-subnav button > span {
  display: grid;
  place-items: center;
  width: 28px;
  height: 28px;
  border: 1px solid currentColor;
  font-size: 0.66rem;
  font-weight: 950;
}

.idiom-study-subnav button > strong,
.idiom-story-subnav button > strong {
  min-width: 0;
  font-size: 0.72rem;
  line-height: 1.35;
  overflow-wrap: anywhere;
}

.idiom-study-subnav li.is-complete button,
.idiom-story-subnav li.is-complete button {
  border-bottom-color: var(--success);
  border-bottom-style: double;
  color: var(--ink);
}

.idiom-study-subnav li.is-current button,
.idiom-story-subnav li.is-current button,
.idiom-study-subnav button[aria-current="step"],
.idiom-story-subnav button[aria-current="step"] {
  border-bottom-color: var(--idiom-gold);
  background: var(--idiom-night);
  color: white;
}

.idiom-study-subnav button:disabled,
.idiom-story-subnav button:disabled {
  border-bottom-style: dashed;
  cursor: not-allowed;
  opacity: 0.55;
}

.idiom-study-subnav button:focus-visible,
.idiom-story-subnav button:focus-visible,
.idiom-story-continue:focus-visible,
.idiom-study-subpager button:focus-visible,
.idiom-summary-stage-links a:focus-visible {
  position: relative;
  z-index: 1;
  outline: 3px solid var(--accent-dark);
  outline-offset: -3px;
}

.idiom-study-sheet,
.idiom-story-page {
  min-width: 0;
  animation: idiom-stage-page-in 170ms ease-out both;
}

.idiom-study-sheet {
  min-height: clamp(320px, 42svh, 500px);
  padding: clamp(22px, 3.5vw, 34px) 0 18px;
}

.idiom-study-sheet[data-study-page="examples"] .idiom-example-duel,
.idiom-study-sheet[data-study-page="vocabulary"] .idiom-vocab-workshop {
  margin-top: 0;
}

.idiom-study-subpager {
  display: grid;
  grid-template-columns: minmax(92px, 0.7fr) minmax(150px, 1fr) minmax(92px, 0.7fr);
  gap: 10px;
  align-items: center;
  min-width: 0;
  padding-top: 14px;
  border-top: 1px solid var(--line-strong);
}

.idiom-study-subpager > :where(button, span) {
  min-width: 0;
  min-height: 48px;
}

.idiom-study-subpager > button { width: 100%; }

.idiom-study-subpager > p {
  display: grid;
  gap: 3px;
  min-width: 0;
  margin-block: 0;
  text-align: center;
}

.idiom-study-subpager > p > strong {
  font-size: 0.76rem;
  font-variant-numeric: tabular-nums;
  font-weight: 950;
}

.idiom-study-subpager > p > small {
  color: var(--ink-soft);
  font-size: 0.64rem;
  font-weight: 760;
  line-height: 1.4;
}

.idiom-story-stage { min-width: 0; }

.idiom-story-subnav {
  width: min(100%, 460px);
  margin: 0 auto 18px;
}

.idiom-story-page { min-height: 320px; }

.idiom-story-page .idiom-story-section {
  padding-top: 22px;
  padding-bottom: 30px;
}

.idiom-story-continue {
  min-width: min(100%, 260px);
  min-height: 52px;
  margin: 22px 0 0 auto;
}

.idiom-completion-summary {
  min-width: 0;
  padding: clamp(12px, 3vw, 28px) 0 10px;
  animation: idiom-stage-page-in 170ms ease-out both;
}

.idiom-completion-summary > header {
  padding-bottom: 20px;
  border-bottom: 2px solid var(--ink);
}

.idiom-completion-summary > header :where(h2, p) { margin-block: 0; }

.idiom-completion-summary > header h2 {
  font-size: clamp(1.45rem, 4vw, 2.2rem);
  letter-spacing: -0.05em;
  line-height: 1.2;
}

.idiom-completion-summary > header p:last-child {
  max-width: 620px;
  margin-top: 7px;
  color: var(--ink-soft);
  font-size: 0.8rem;
  line-height: 1.6;
}

.idiom-summary-stage-links {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  min-width: 0;
  margin: 20px 0;
  padding: 1px;
  border: 1px solid var(--ink);
  background: var(--ink);
  list-style: none;
}

.idiom-summary-stage-links > li { min-width: 0; background: var(--paper-soft); }

.idiom-summary-stage-links a {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 3px 10px;
  align-content: center;
  min-width: 0;
  min-height: 76px;
  padding: 10px 12px;
  background: var(--paper-soft);
  transition: background-color 140ms ease;
}

.idiom-summary-stage-links a:hover {
  background: color-mix(in srgb, var(--accent-soft) 34%, var(--paper-soft));
}

.idiom-summary-stage-links a > span {
  grid-row: 1 / span 2;
  align-self: center;
  color: var(--accent-dark);
  font-size: 0.72rem;
  font-variant-numeric: tabular-nums;
  font-weight: 950;
  text-align: center;
}

.idiom-summary-stage-links a > strong {
  min-width: 0;
  font-size: 0.78rem;
  line-height: 1.4;
  overflow-wrap: anywhere;
}

.idiom-summary-stage-links a > small {
  color: var(--ink-soft);
  font-size: 0.64rem;
  font-weight: 800;
}

.idiom-completion-summary > .secondary-button { min-height: 48px; }

/* Pixel-textbook decoding sheet: one continuous surface before any assessment. */
.idiom-decode-stage {
  --idiom-decode-grid: color-mix(in srgb, var(--ink) 8%, transparent);
  position: relative;
  min-width: 0;
  padding: clamp(30px, 5vw, 54px) clamp(14px, 2.5vw, 28px);
  border-top: 3px double var(--ink);
  border-bottom: 3px double var(--ink);
  background:
    linear-gradient(var(--idiom-decode-grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--idiom-decode-grid) 1px, transparent 1px),
    color-mix(in srgb, var(--paper-soft) 92%, var(--idiom-sky));
  background-size: 16px 16px;
}

.idiom-decode-stage > .idiom-section-heading,
.idiom-study-sheet > .idiom-section-heading {
  margin-bottom: clamp(22px, 4vw, 34px);
  padding-bottom: 18px;
  border-bottom: 2px solid var(--ink);
  background: color-mix(in srgb, var(--paper-soft) 90%, transparent);
}

.idiom-decode-stage > .idiom-section-heading h2,
.idiom-study-sheet > .idiom-section-heading h2 {
  font-size: clamp(1.5rem, 4vw, 2.3rem);
  letter-spacing: -0.045em;
  line-height: 1.18;
}

.idiom-decode-stage:focus {
  outline: 4px solid var(--accent-dark);
  outline-offset: 4px;
}

.idiom-decode-glyphs {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  min-width: 0;
  border: 2px solid var(--ink);
  background: var(--ink);
  box-shadow: 6px 6px 0 var(--accent-soft);
}

.idiom-decode-token {
  display: grid;
  grid-template-rows: auto auto auto 1fr;
  gap: 6px;
  align-content: start;
  min-width: 0;
  min-height: 164px;
  padding: 11px 12px 13px;
  background: var(--paper-soft);
  overflow-wrap: anywhere;
  word-break: keep-all;
}

.idiom-decode-token > span {
  color: var(--accent-dark);
  font-size: 0.64rem;
  font-weight: 950;
  letter-spacing: 0.12em;
}

.idiom-decode-token > b {
  font-family: var(--font-hanja);
  font-size: clamp(2.5rem, 6vw, 4.1rem);
  font-weight: 800;
  line-height: 1;
}

.idiom-decode-token > strong {
  font-size: 0.78rem;
  line-height: 1.35;
}

.idiom-decode-token > small {
  color: var(--ink-soft);
  font-size: 0.68rem;
  font-weight: 760;
  line-height: 1.45;
}

.idiom-literal-reading {
  display: grid;
  grid-template-columns: minmax(130px, 0.38fr) minmax(0, 1.62fr);
  gap: 16px 28px;
  align-items: baseline;
  margin-top: 30px;
  padding: 17px 0;
  border-top: 1px solid var(--ink);
  border-bottom: 1px solid var(--ink);
  background: color-mix(in srgb, var(--paper-soft) 90%, transparent);
}

.idiom-literal-reading > *,
.idiom-meaning-core > *,
.idiom-meaning-boundary > * > * {
  margin-block: 0;
}

.idiom-literal-reading small,
.idiom-meaning-core > small,
.idiom-meaning-boundary small {
  color: var(--accent-dark);
  font-size: 0.7rem;
  font-weight: 950;
  letter-spacing: 0.04em;
}

.idiom-literal-reading p {
  font-size: clamp(1rem, 2vw, 1.22rem);
  font-weight: 850;
  line-height: 1.55;
}

.idiom-meaning-core {
  margin-top: 22px;
  padding: 20px clamp(16px, 3vw, 28px);
  border-left: 7px solid var(--accent);
  background: color-mix(in srgb, var(--paper-deep) 88%, var(--idiom-sky));
}

.idiom-meaning-core h3 {
  margin-top: 7px;
  font-size: clamp(1.18rem, 3vw, 1.65rem);
  letter-spacing: -0.025em;
  line-height: 1.4;
}

.idiom-meaning-core p {
  margin-top: 8px;
  color: var(--ink-soft);
  line-height: 1.65;
}

.idiom-meaning-boundary {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-top: 24px;
  border-top: 2px solid var(--ink);
  border-bottom: 2px solid var(--ink);
  background: color-mix(in srgb, var(--paper-soft) 92%, transparent);
}

.idiom-meaning-boundary > section {
  min-width: 0;
  padding: 17px 18px 19px;
  border-bottom: 1px solid var(--idiom-session-rule);
}

.idiom-meaning-boundary > section:nth-child(odd) {
  border-right: 1px solid var(--idiom-session-rule);
}

.idiom-meaning-boundary > section:nth-child(3) {
  grid-column: 1 / -1;
  border-right: 0;
}

.idiom-meaning-boundary p {
  margin-top: 7px;
  font-size: 0.8rem;
  font-weight: 720;
  line-height: 1.62;
}

.idiom-example-duel {
  margin-top: 26px;
  padding-block: 22px;
  border-top: 3px solid var(--ink);
  border-bottom: 3px solid var(--ink);
}

.idiom-example-duel > header {
  display: grid;
  gap: 5px;
  max-width: 780px;
}

.idiom-example-duel > header :where(p, h3) {
  margin-block: 0;
}

.idiom-example-duel > header h3 {
  font-size: clamp(1.1rem, 2.7vw, 1.5rem);
  line-height: 1.35;
}

.idiom-example-duel > header p:last-child {
  color: var(--ink-soft);
  font-size: 0.76rem;
  font-weight: 700;
  line-height: 1.55;
}

.idiom-example-duel-choices {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 17px;
}

.idiom-example-duel-choice-wrap {
  position: relative;
  min-width: 0;
}

.idiom-example-duel-choice-wrap > .idiom-example-duel-choice {
  width: 100%;
  height: 100%;
}

.idiom-example-duel-choice-wrap > .idiom-inline-edit-trigger {
  position: absolute;
  right: 12px;
  bottom: 12px;
  z-index: 2;
}

.idiom-example-duel-choice {
  position: relative;
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
  min-width: 0;
  min-height: 118px;
  padding: 18px 64px 18px 17px;
  border: 2px solid var(--ink);
  border-radius: 0;
  background: var(--paper-soft);
  color: var(--ink);
  font: inherit;
  text-align: left;
  cursor: pointer;
  transition: background-color 160ms ease, border-color 160ms ease, transform 160ms ease;
}

.idiom-example-duel-choice:hover:not(:disabled) {
  background: color-mix(in srgb, var(--paper-soft) 82%, var(--accent-soft));
  transform: translateY(-2px);
}

.idiom-example-duel-choice > span {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border: 2px solid currentColor;
  font-size: 0.74rem;
  font-weight: 950;
  line-height: 1;
}

.idiom-example-duel-choice > p {
  margin: 2px 0 0;
  font-size: 0.82rem;
  font-weight: 800;
  line-height: 1.62;
}

.idiom-example-duel-choice > strong {
  grid-column: 2;
  font-size: 0.68rem;
  font-weight: 950;
}

.idiom-example-duel-choice:disabled { cursor: default; }

.idiom-example-duel-choice::after {
  position: absolute;
  top: 17px;
  right: 15px;
  padding: 4px 6px;
  border: 1px solid currentColor;
  font-size: 0.6rem;
  font-weight: 950;
  line-height: 1;
  opacity: 0;
}

.idiom-example-duel-choice[aria-pressed="true"] {
  border-width: 4px;
  border-color: var(--accent-dark);
  background: color-mix(in srgb, var(--paper-soft) 86%, var(--accent-soft));
}

.idiom-example-duel-choice[aria-pressed="true"]::after {
  content: "내 선택";
  opacity: 1;
}

.idiom-example-duel-choice.is-correct {
  border: 6px solid var(--success);
}

.idiom-example-duel-choice.is-correct::after {
  content: none;
}

.idiom-example-duel-choice.is-incorrect,
.idiom-example-duel-choice.is-wrong {
  border: 6px dashed var(--danger);
  background:
    repeating-linear-gradient(-45deg, transparent 0 9px, color-mix(in srgb, var(--danger) 6%, transparent) 9px 11px);
}

.idiom-example-duel-choice.is-incorrect::after,
.idiom-example-duel-choice.is-wrong::after {
  content: none;
}

.idiom-example-duel-choice:focus-visible,
.idiom-example-duel-submit:focus-visible {
  z-index: 1;
  outline: 3px solid var(--accent-dark);
  outline-offset: 3px;
}

.idiom-example-duel-submit {
  min-height: 52px;
  margin-top: 14px;
}

.idiom-example-duel-feedback {
  position: relative;
  margin-top: 16px;
  padding: 16px 18px 16px 54px;
  border: 2px solid var(--ink);
  background: var(--paper-soft);
  animation: idiom-duel-feedback-in 220ms ease-out both;
}

.idiom-example-duel-feedback::before {
  content: "i";
  position: absolute;
  top: 15px;
  left: 16px;
  display: grid;
  place-items: center;
  width: 25px;
  height: 25px;
  border: 2px solid currentColor;
  font-size: 0.78rem;
  font-weight: 950;
  line-height: 1;
}

.idiom-example-duel-feedback :where(strong, p) {
  margin-block: 0;
}

.idiom-example-duel-feedback strong {
  display: block;
  font-size: 0.82rem;
}

.idiom-example-duel-feedback p {
  margin-top: 5px;
  color: var(--ink-soft);
  font-size: 0.76rem;
  font-weight: 700;
  line-height: 1.58;
}

.idiom-example-duel-feedback.is-correct {
  border-left: 6px solid var(--success);
}

.idiom-example-duel-feedback.is-correct::before { content: "○"; }

.idiom-example-duel-feedback.is-review {
  border-left: 6px double var(--ink-soft);
}

.idiom-example-duel-feedback.is-review::before { content: "복"; }

.idiom-example-duel-feedback.is-incorrect,
.idiom-example-duel-feedback.is-wrong {
  border-left: 6px dashed var(--danger);
}

.idiom-example-duel-feedback.is-incorrect::before,
.idiom-example-duel-feedback.is-wrong::before { content: "×"; }

.idiom-example-duel-feedback:focus {
  outline: 4px solid var(--accent-dark);
  outline-offset: 4px;
}

@keyframes idiom-duel-feedback-in {
  from { opacity: 0; transform: translateY(7px); }
  to { opacity: 1; transform: translateY(0); }
}

.idiom-study-next {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 12px 22px;
  align-items: center;
  margin-top: 18px;
  padding-top: 16px;
  border-top: 2px solid var(--ink);
}

.idiom-study-next:focus {
  outline: 4px solid var(--accent-dark);
  outline-offset: 4px;
}

.idiom-study-next > div {
  display: grid;
  gap: 4px;
}

.idiom-study-next :where(strong, p) { margin-block: 0; }
.idiom-study-next strong { font-size: 0.84rem; }
.idiom-study-next p { color: var(--ink-soft); font-size: 0.72rem; line-height: 1.5; }
.idiom-study-next .primary-button { min-height: 52px; }

.idiom-study-next .primary-button:focus-visible,
.idiom-decode-complete .primary-button:focus-visible {
  position: relative;
  z-index: 1;
  outline: 3px solid var(--accent-dark);
  outline-offset: -5px;
}

.idiom-decode-complete {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 12px 22px;
  align-items: center;
  margin-top: 18px;
  padding: 14px 15px;
  border: 2px solid var(--ink);
  background: color-mix(in srgb, var(--success) 7%, var(--paper-soft));
  box-shadow: 5px 5px 0 color-mix(in srgb, var(--ink) 22%, transparent);
}

.idiom-decode-complete:focus {
  outline: 4px solid var(--accent-dark);
  outline-offset: 4px;
}

.idiom-decode-complete > div {
  display: grid;
  gap: 4px;
}

.idiom-decode-complete :where(strong, p) { margin-block: 0; }
.idiom-decode-complete strong { font-size: 0.84rem; }
.idiom-decode-complete p { color: var(--ink-soft); font-size: 0.72rem; line-height: 1.5; }
.idiom-decode-complete .primary-button { min-height: 48px; }

/* Vocabulary type workshop: one glyph, one input, one verdict at a time. */
.idiom-vocab-workshop {
  --idiom-vocab-rule: color-mix(in srgb, var(--ink) 22%, transparent);
  min-width: 0;
  margin-top: 30px;
  padding: clamp(20px, 3.5vw, 32px);
  border: 2px solid var(--ink);
  background:
    linear-gradient(90deg, color-mix(in srgb, var(--accent) 7%, transparent) 1px, transparent 1px),
    color-mix(in srgb, var(--paper-soft) 96%, var(--idiom-sky));
  background-size: 12px 100%;
  box-shadow: 7px 7px 0 color-mix(in srgb, var(--ink) 20%, transparent);
}

.idiom-vocab-workshop > header {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(148px, 0.32fr);
  gap: 12px 28px;
  align-items: end;
  padding-bottom: 17px;
  border-bottom: 2px solid var(--ink);
}

.idiom-vocab-workshop > header :where(h2, h3, p, strong, small) {
  margin-block: 0;
}

.idiom-vocab-workshop > header :where(h2, h3) {
  font-size: clamp(1.15rem, 3vw, 1.55rem);
  letter-spacing: -0.035em;
  line-height: 1.3;
}

.idiom-vocab-workshop > header p {
  margin-top: 5px;
  color: var(--ink-soft);
  font-size: 0.76rem;
  line-height: 1.55;
}

.idiom-vocab-workshop > header progress {
  width: 100%;
  height: 9px;
  margin-top: 7px;
  accent-color: var(--accent-dark);
}

.idiom-vocab-workshop > header :where(strong, small) {
  display: block;
  font-size: 0.68rem;
  line-height: 1.45;
  text-align: right;
}

.idiom-vocab-workshop > header small { color: var(--ink-soft); }

.idiom-vocab-glyph-nav {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  margin-top: 18px;
  border: 2px solid var(--ink);
  background: var(--ink);
}

.idiom-vocab-glyph-nav > button {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 4px 9px;
  place-items: center start;
  min-width: 0;
  min-height: 64px;
  padding: 8px 10px;
  border: 0;
  border-bottom: 5px solid transparent;
  border-radius: 0;
  background: var(--paper-soft);
  color: var(--ink);
  font: inherit;
  text-align: left;
  cursor: pointer;
  transition: background-color 140ms ease, color 140ms ease, border-color 140ms ease;
}

.idiom-vocab-glyph-nav > button :where(b, [lang="ko-Hani"]) {
  font-family: var(--font-hanja);
  font-size: clamp(1.65rem, 4vw, 2.25rem);
  line-height: 1;
}

.idiom-vocab-glyph-nav > button :where(strong, small) {
  min-width: 0;
  font-size: 0.68rem;
  line-height: 1.35;
  overflow-wrap: anywhere;
}

.idiom-vocab-glyph-nav > button.is-current,
.idiom-vocab-glyph-nav > button[aria-current="step"],
.idiom-vocab-glyph-nav > button[aria-pressed="true"] {
  border-bottom-style: solid;
  border-bottom-color: var(--idiom-gold);
  background: var(--idiom-night);
  color: white;
}

.idiom-vocab-glyph-nav > button:focus-visible {
  position: relative;
  z-index: 1;
  outline: 3px solid var(--accent-dark);
  outline-offset: -5px;
}

.idiom-vocab-sheet {
  min-width: 0;
  min-height: 300px;
  padding: clamp(20px, 3vw, 30px) 0 8px;
  scroll-margin-block: 24px calc(102px + env(safe-area-inset-bottom));
}

.idiom-vocab-sheet-list {
  display: grid;
  gap: 24px;
}

.idiom-vocab-sheet-list > .idiom-vocab-sheet {
  min-height: 0;
  border-top: 2px solid var(--ink);
}

.idiom-section-heading > p:empty,
.idiom-meaning-core > :where(small, h3, p):empty,
.idiom-meaning-boundary :where(small, p):empty,
.idiom-stage-masthead > div > p:empty {
  display: none;
}

.idiom-vocab-sheet:focus,
.idiom-vocab-verdict:focus {
  outline: 4px solid var(--accent-dark);
  outline-offset: 4px;
}

.idiom-vocab-sheet > header {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 10px 18px;
  align-items: center;
  margin-bottom: 18px;
}

.idiom-vocab-sheet > header :where(h3, p, small) { margin-block: 0; }

.idiom-vocab-sheet > header :where(b, [lang="ko-Hani"]) {
  grid-row: 1 / span 2;
  display: grid;
  place-items: center;
  min-width: 74px;
  min-height: 74px;
  border: 2px solid var(--ink);
  background: var(--paper-soft);
  font-family: var(--font-hanja);
  font-size: clamp(2.75rem, 7vw, 4.25rem);
  line-height: 1;
  box-shadow: 4px 4px 0 var(--accent-soft);
}

.idiom-vocab-sheet > header h3 {
  font-size: clamp(1rem, 2.5vw, 1.28rem);
  line-height: 1.35;
}

.idiom-vocab-sheet > header p {
  color: var(--ink-soft);
  font-size: 0.73rem;
  line-height: 1.5;
}

.idiom-vocab-situation {
  margin: 0 0 16px;
  padding: 12px 14px;
  border-left: 5px solid var(--accent);
  background: color-mix(in srgb, var(--paper-deep) 58%, var(--paper-soft));
}

.idiom-vocab-situation :where(p, strong, small) { margin-block: 0; }
.idiom-vocab-situation p { font-size: 0.78rem; line-height: 1.6; }
.idiom-vocab-situation small { color: var(--ink-soft); font-size: 0.66rem; }

.idiom-vocab-form {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 8px 10px;
  align-items: end;
  min-width: 0;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--idiom-vocab-rule);
}

.idiom-vocab-form > label {
  grid-column: 1 / -1;
  font-size: 0.75rem;
  font-weight: 900;
  line-height: 1.4;
}

.idiom-vocab-form > :where(span, small, p) {
  grid-column: 1 / -1;
  margin-block: 0;
  color: var(--ink-soft);
  font-size: 0.68rem;
  font-weight: 720;
  line-height: 1.5;
}

.idiom-vocab-form input {
  width: 100%;
  min-width: 0;
  min-height: 52px;
  padding: 10px 13px;
  border: 2px solid var(--ink);
  border-radius: 0;
  background: var(--paper-soft);
  color: var(--ink);
  font: inherit;
  font-size: 1rem;
  font-weight: 800;
}

.idiom-vocab-form input::placeholder {
  color: var(--ink-faint);
  font-size: 0.78rem;
  font-weight: 650;
  opacity: 1;
}

.idiom-vocab-form input[aria-invalid="true"] {
  border-style: dashed;
  border-color: var(--danger);
}

.idiom-vocab-form[aria-busy="true"] input,
.idiom-vocab-form.is-pending input,
.idiom-vocab-form[data-status="pending"] input,
.idiom-vocab-form input[aria-busy="true"],
.idiom-vocab-workshop[aria-busy="true"] .idiom-vocab-form input {
  border-bottom-style: double;
  border-bottom-width: 5px;
  cursor: progress;
}

.idiom-vocab-form > button,
.idiom-vocab-form [type="submit"] {
  min-height: 52px;
  padding-inline: 18px;
}

.idiom-vocab-form[aria-busy="true"] [type="submit"],
.idiom-vocab-form.is-pending [type="submit"],
.idiom-vocab-form[data-status="pending"] [type="submit"],
.idiom-vocab-form [type="submit"][aria-busy="true"],
.idiom-vocab-form [type="submit"][disabled] {
  border-style: double;
  background:
    repeating-linear-gradient(90deg, transparent 0 11px, color-mix(in srgb, white 13%, transparent) 11px 14px),
    var(--accent-dark);
  color: white;
  box-shadow: none;
  cursor: progress;
  opacity: 1;
}

.idiom-vocab-form:focus-within input { box-shadow: inset 0 -4px 0 var(--accent); }

.idiom-vocab-form :where(input, button):focus-visible,
.idiom-vocab-hints button:focus-visible,
.idiom-vocab-actions :where(button, a):focus-visible {
  outline: 3px solid var(--accent-dark);
  outline-offset: 3px;
}

.idiom-vocab-hints {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  align-items: center;
  margin-top: 12px;
}

.idiom-vocab-hints :where(button, summary) {
  min-height: 44px;
  padding: 8px 11px;
  border: 1px solid var(--ink);
  border-radius: 0;
  background: transparent;
  color: var(--ink);
  font: inherit;
  font-size: 0.7rem;
  font-weight: 850;
  cursor: pointer;
}

.idiom-vocab-hints button[aria-expanded="true"] {
  border-bottom: 4px double var(--accent-dark);
  background: var(--paper-deep);
}

.idiom-vocab-verdict {
  min-height: 72px;
  margin-top: 15px;
  padding: 13px 15px;
  border: 2px solid var(--ink);
  border-left-width: 7px;
  background: var(--paper-soft);
  scroll-margin-block: 20px calc(102px + env(safe-area-inset-bottom));
}

.idiom-vocab-verdict :where(p, strong, small) { margin-block: 0; }
.idiom-vocab-verdict strong { display: block; font-size: 0.82rem; line-height: 1.4; }
.idiom-vocab-verdict p { margin-top: 4px; color: var(--ink-soft); font-size: 0.72rem; line-height: 1.55; }

.idiom-vocab-verdict.is-verified,
.idiom-vocab-verdict[data-status="verified"],
.idiom-vocab-verdict[data-status="scenario_answer"],
.idiom-vocab-verdict[data-status="situation_match"],
.idiom-vocab-verdict[data-status="verified_other"] {
  border-left-style: solid;
  border-left-color: var(--success);
}

.idiom-vocab-verdict.is-created,
.idiom-vocab-verdict[data-status="created"],
.idiom-vocab-verdict[data-status="unverified_candidate"] {
  border-left-style: double;
  border-left-color: var(--accent-dark);
}

.idiom-vocab-verdict.is-pending,
.idiom-vocab-verdict[data-status="pending"],
.idiom-vocab-verdict[data-status="needs_review"],
.idiom-vocab-verdict[data-status="needs_disambiguation"] {
  border-left-style: dashed;
  border-left-color: var(--ink-soft);
}

.idiom-vocab-verdict.is-pending,
.idiom-vocab-verdict[data-status="pending"] {
  background:
    repeating-linear-gradient(90deg, transparent 0 13px, color-mix(in srgb, var(--accent) 8%, transparent) 13px 16px),
    var(--paper-soft);
  background-size: 32px 100%;
  animation: idiom-vocab-checking 900ms steps(4, end) infinite;
}

.idiom-vocab-verdict.is-needs-review,
.idiom-vocab-verdict[data-status="needs-review"],
.idiom-vocab-verdict[data-status="needs_review"],
.idiom-vocab-verdict[data-reason="ai_invalid_response"],
.idiom-vocab-verdict[data-reason="ai_upstream_error"] {
  border-left-style: dashed;
  border-left-color: var(--ink-soft);
}

.idiom-vocab-verdict.is-offline,
.idiom-vocab-verdict[data-status="offline"],
.idiom-vocab-verdict[data-reason="offline"],
.idiom-vocab-verdict[data-reason="network_error"],
.idiom-vocab-verdict[data-reason="ai_temporarily_unavailable"],
.idiom-vocab-verdict[data-reason="ai_timeout"] {
  border-left-style: dashed;
  border-left-color: var(--ink);
  background:
    repeating-linear-gradient(-45deg, transparent 0 11px, color-mix(in srgb, var(--ink) 6%, transparent) 11px 13px),
    var(--paper-soft);
}

.idiom-vocab-verdict.is-no-key,
.idiom-vocab-verdict[data-status="no_key"],
.idiom-vocab-verdict[data-status="no-key"],
.idiom-vocab-verdict[data-status="ai_not_configured"],
.idiom-vocab-verdict[data-reason="ai_not_configured"] {
  border-left-style: double;
  border-left-color: var(--ink-soft);
  background: color-mix(in srgb, var(--paper-deep) 58%, var(--paper-soft));
}

.idiom-vocab-verdict[hidden] { display: none; }

.idiom-vocab-verdict.is-retry,
.idiom-vocab-verdict[data-status="retry"],
.idiom-vocab-verdict[data-reason="rate_limited"],
.idiom-vocab-verdict[data-status="target_glyph_mismatch"],
.idiom-vocab-verdict[data-status="nonstandard_combination"] {
  border-left-style: dashed;
  border-left-color: var(--danger);
  background:
    repeating-linear-gradient(-45deg, transparent 0 10px, color-mix(in srgb, var(--danger) 5%, transparent) 10px 12px),
    var(--paper-soft);
}

.idiom-vocab-verdict[data-status="needs_review"][data-reason="target_glyph_mismatch"],
.idiom-vocab-verdict[data-status="needs_review"][data-reason="incomplete_input"] {
  border-left-color: var(--danger);
  background:
    repeating-linear-gradient(-45deg, transparent 0 10px, color-mix(in srgb, var(--danger) 5%, transparent) 10px 12px),
    var(--paper-soft);
}

.idiom-vocab-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: flex-end;
  margin-top: 17px;
  scroll-margin-block-end: calc(102px + env(safe-area-inset-bottom));
}

.idiom-vocab-actions :where(button, a) {
  min-height: 44px;
}

@keyframes idiom-vocab-checking {
  to { background-position: 32px 0; }
}

.idiom-locked-stage {
  position: relative;
  display: grid;
  grid-template-columns: clamp(74px, 13vw, 112px) minmax(0, 1fr);
  gap: 16px 24px;
  align-items: center;
  min-width: 0;
  margin: 22px 0 0;
  padding: 20px clamp(15px, 3vw, 26px);
  border: 2px dashed var(--ink);
  background:
    repeating-linear-gradient(-45deg, transparent 0 11px, color-mix(in srgb, var(--ink) 5%, transparent) 11px 13px),
    var(--paper-soft);
}

.idiom-locked-stage::after {
  content: "잠김";
  position: absolute;
  top: 8px;
  right: 9px;
  padding: 3px 6px;
  border: 1px solid currentColor;
  font-size: 0.6rem;
  font-weight: 950;
  letter-spacing: 0.08em;
}

.idiom-locked-stage > span {
  overflow: hidden;
  color: var(--ink-soft);
  font-family: var(--font-hanja);
  font-size: clamp(1.45rem, 4vw, 2.35rem);
  font-weight: 800;
  letter-spacing: 0.04em;
  text-align: center;
  text-overflow: clip;
  white-space: nowrap;
}

.idiom-locked-stage > div {
  min-width: 0;
  padding-right: 44px;
}

.idiom-locked-stage :where(p, h2) { margin-block: 0; }
.idiom-locked-stage h2 { margin-top: 5px; font-size: clamp(1.05rem, 3vw, 1.35rem); }
.idiom-locked-stage h2 + p { margin-top: 7px; color: var(--ink-soft); font-size: 0.76rem; line-height: 1.55; }

/* Main assessment is one vertical worksheet; the optional supplement stays paged. */
.idiom-quiz-stage,
.idiom-quiz-review,
.idiom-quiz-results,
.idiom-quiz-corrections,
.idiom-practice-extension {
  min-width: 0;
}

.idiom-quiz-stage {
  --idiom-quiz-rule: color-mix(in srgb, var(--ink) 22%, transparent);
  max-width: 900px;
  margin-inline: auto;
  padding: clamp(28px, 5vw, 50px) 0 118px;
  border-bottom: 1px solid var(--line-strong);
}

.idiom-quiz-worksheet {
  padding-bottom: clamp(30px, 5vw, 54px);
}

.idiom-quiz-question-list {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 4vw, 34px);
  min-width: 0;
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
}

.idiom-quiz-question-list > li {
  min-width: 0;
}

.idiom-quiz-question-list .idiom-question-sheet {
  min-height: 0;
  padding: clamp(22px, 4vw, 34px) clamp(14px, 3vw, 28px) clamp(24px, 4vw, 34px);
  border: 1px solid var(--ink);
  border-top-width: 3px;
  background:
    linear-gradient(transparent 31px, color-mix(in srgb, var(--ink) 7%, transparent) 32px),
    var(--paper-soft);
  background-size: 100% 32px;
  animation: none;
}

.idiom-quiz-worksheet.is-submitted .idiom-question-sheet {
  border-left: 5px solid var(--ink-soft);
}

.idiom-quiz-stage.is-submitted .idiom-question-sheet .idiom-choice[aria-pressed="true"] {
  border: 3px double var(--ink);
  background: var(--paper-deep);
}

.idiom-question-grade {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 12px;
  align-items: baseline;
  margin: 16px 0;
  padding: 10px 12px;
  border: 2px solid var(--ink);
  background: var(--paper);
  font-size: 0.76rem;
  line-height: 1.5;
}

.idiom-question-grade strong {
  font-size: 0.9rem;
  font-weight: 950;
}

.idiom-question-grade.is-wrong {
  border-style: dashed;
  background:
    repeating-linear-gradient(-45deg, transparent 0 10px, color-mix(in srgb, var(--ink) 7%, transparent) 10px 12px),
    var(--paper);
}

.idiom-choice.is-graded-correct {
  border: 4px double var(--ink) !important;
  background: var(--paper) !important;
}

.idiom-choice.is-graded-wrong {
  border: 2px dashed var(--ink) !important;
  background:
    repeating-linear-gradient(-45deg, transparent 0 9px, color-mix(in srgb, var(--ink) 10%, transparent) 9px 11px),
    var(--paper) !important;
}

.idiom-choice.is-graded-wrong > strong {
  text-decoration: line-through;
  text-decoration-thickness: 2px;
}

.idiom-answer-mark {
  margin-left: auto;
  color: var(--ink);
  font-size: 0.72rem;
  font-style: normal;
  font-weight: 950;
  white-space: nowrap;
}

.idiom-question-admin-fields {
  display: grid;
  gap: 9px;
  margin-top: 14px;
  padding-top: 10px;
  border-top: 1px dashed var(--line-strong);
}

.idiom-question-admin-fields > strong {
  font-size: 0.75rem;
  font-weight: 950;
}

.idiom-question-admin-field {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 44px;
  gap: 10px;
  align-items: center;
  min-width: 0;
  padding: 10px 0;
  border-top: 1px solid var(--line);
}

.idiom-question-admin-field > span {
  display: grid;
  gap: 3px;
  min-width: 0;
  overflow-wrap: anywhere;
}

.idiom-question-admin-field small {
  color: var(--ink-soft);
  font-size: 0.66rem;
  font-weight: 850;
}

.idiom-correction-admin-preview {
  margin-top: 34px;
  padding-top: 24px;
  border-top: 3px double var(--ink);
}

.idiom-correction-admin-preview > header {
  max-width: 760px;
  margin-bottom: 18px;
}

.idiom-correction-admin-preview > header :where(h2, p) {
  margin-block: 6px 0;
}

.idiom-correction-admin-preview > ol,
.idiom-correction-admin-choices {
  display: grid;
  gap: 16px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.idiom-correction-admin-preview-item {
  padding: 18px;
  border: 1px solid var(--line-strong);
  background: var(--paper);
}

.idiom-correction-admin-preview-item > :where(h3, p) {
  margin-block: 0 12px;
}

.idiom-correction-admin-choices {
  gap: 6px;
}

.idiom-correction-admin-choices > li {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 44px;
  gap: 10px;
  align-items: center;
  min-width: 0;
  min-height: 48px;
  padding: 7px 9px;
  border: 1px solid var(--line);
}

.idiom-correction-admin-choices > li.is-answer {
  border: 2px solid var(--ink);
}

.idiom-correction-admin-choices > li > span {
  display: flex;
  gap: 10px;
  align-items: center;
  min-width: 0;
  overflow-wrap: anywhere;
}

.idiom-correction-admin-choices em {
  margin-left: auto;
  font-size: 0.66rem;
  font-style: normal;
  font-weight: 950;
  white-space: nowrap;
}

.idiom-quiz-question-list .idiom-choice:focus-visible {
  outline: 3px solid var(--accent-dark);
  outline-offset: 3px;
}

.idiom-submitted-answer-note {
  margin: 14px 0 0 !important;
  padding-top: 11px;
  border-top: 1px solid var(--line-strong);
  color: var(--ink-soft);
  font-size: 0.72rem !important;
  font-weight: 760 !important;
}

.idiom-quiz-meter {
  display: grid;
  grid-template-columns: auto minmax(120px, 1fr) auto;
  gap: 7px 16px;
  align-items: center;
  margin-bottom: 13px;
}

.idiom-quiz-meter > * { min-width: 0; margin-block: 0; }

.idiom-quiz-meter > strong {
  color: var(--accent-dark);
  font-size: 0.82rem;
  font-weight: 950;
  white-space: nowrap;
}

.idiom-quiz-meter > small {
  color: var(--ink-soft);
  font-size: 0.68rem;
  font-weight: 800;
  text-align: right;
}

.idiom-quiz-meter progress {
  width: 100%;
  height: 9px;
  overflow: hidden;
  border: 1px solid var(--ink);
  border-radius: 0;
  background: var(--paper-deep);
}

.idiom-quiz-meter progress::-webkit-progress-bar { background: var(--paper-deep); }
.idiom-quiz-meter progress::-webkit-progress-value { background: var(--accent); }
.idiom-quiz-meter progress::-moz-progress-bar { background: var(--accent); }

.idiom-question-nav {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 1px;
  margin: 0 0 24px;
  padding: 1px;
  border: 1px solid var(--ink);
  background: var(--ink);
}

.idiom-question-nav > button {
  position: relative;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 4px 7px;
  align-items: center;
  min-width: 0;
  min-height: 48px;
  padding: 7px 9px;
  border: 0;
  border-bottom: 4px dashed var(--line-strong);
  border-radius: 0;
  background: var(--paper-soft);
  color: var(--ink);
  font: 850 0.7rem/1.25 var(--font-sans);
  text-align: left;
  cursor: pointer;
}

.idiom-question-nav > button > :first-child {
  font-size: 0.78rem;
  font-weight: 950;
}

.idiom-question-nav > button small {
  overflow: hidden;
  color: var(--ink-soft);
  font-size: 0.58rem;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.idiom-question-nav > button.is-answered {
  border-bottom-color: var(--success);
  border-bottom-style: double;
}

.idiom-question-nav > button.is-current,
.idiom-question-nav > button[aria-current="step"] {
  border-bottom-color: var(--idiom-gold);
  border-bottom-style: solid;
  background: var(--idiom-night);
  color: white;
  box-shadow: inset 0 0 0 2px var(--idiom-gold);
}

.idiom-question-nav > button.is-current small,
.idiom-question-nav > button[aria-current="step"] small {
  color: rgba(255, 255, 255, 0.78);
}

.idiom-question-nav > button:focus-visible {
  z-index: 1;
  outline: 3px solid var(--accent-dark);
  outline-offset: 3px;
}

.idiom-question-sheet {
  min-width: 0;
  min-height: 340px;
  padding: clamp(24px, 4vw, 38px) clamp(4px, 2vw, 18px) 30px;
  border-top: 3px double var(--ink);
  border-bottom: 1px solid var(--ink);
  background:
    linear-gradient(transparent 31px, color-mix(in srgb, var(--ink) 7%, transparent) 32px),
    var(--paper-soft);
  background-size: 100% 32px;
  animation: idiom-question-in 160ms ease-out both;
  scroll-margin-block: 24px 140px;
}

.idiom-question-sheet[hidden],
.idiom-practice-correction-card[hidden] {
  display: none !important;
}

@keyframes idiom-question-in {
  from { opacity: 0; transform: translateX(8px); }
  to { opacity: 1; transform: translateX(0); }
}

.idiom-question-sheet > header {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 7px 18px;
  align-items: baseline;
  margin-bottom: 20px;
}

.idiom-question-sheet > header > * { min-width: 0; margin-block: 0; }

.idiom-question-sheet > header h3,
.idiom-question-sheet > header h2 {
  font-size: clamp(1.18rem, 3vw, 1.62rem);
  letter-spacing: -0.035em;
  line-height: 1.38;
}

.idiom-question-sheet > header small {
  color: var(--accent-dark);
  font-size: 0.66rem;
  font-weight: 950;
  white-space: nowrap;
}

.idiom-question-stimulus {
  margin: 0 0 18px;
  padding: 15px 17px;
  border-left: 5px solid var(--accent);
  background: color-mix(in srgb, var(--paper-deep) 90%, var(--idiom-sky));
  font-size: 0.86rem;
  font-weight: 760;
  line-height: 1.65;
}

.idiom-question-sheet > p:not(.idiom-question-stimulus) {
  max-width: 720px;
  margin: 0 0 18px;
  font-size: 0.94rem;
  font-weight: 780;
  line-height: 1.65;
}

.idiom-question-sheet .idiom-choice-list {
  max-width: 760px;
  gap: 10px;
}

/* A saved draft answer is visible, but correctness is never encoded before bulk submit. */
.idiom-quiz-stage:not(.is-submitted) .idiom-question-sheet .idiom-choice.is-selected,
.idiom-quiz-stage:not(.is-submitted) .idiom-question-sheet .idiom-choice.is-correct,
.idiom-quiz-stage:not(.is-submitted) .idiom-question-sheet .idiom-choice.is-wrong,
.idiom-question-sheet .idiom-choice[aria-pressed="true"] {
  border: 2px solid var(--ink);
  border-left-style: solid;
  background: var(--idiom-session-wash, var(--paper-soft));
  color: var(--ink);
}

.idiom-quiz-stage:not(.is-submitted) .idiom-question-sheet .idiom-choice.is-selected > span,
.idiom-quiz-stage:not(.is-submitted) .idiom-question-sheet .idiom-choice.is-correct > span,
.idiom-quiz-stage:not(.is-submitted) .idiom-question-sheet .idiom-choice.is-wrong > span,
.idiom-question-sheet .idiom-choice[aria-pressed="true"] > span {
  background: var(--idiom-night);
  color: white;
}

.idiom-question-sheet:focus,
.idiom-quiz-review:focus,
.idiom-quiz-results:focus,
.idiom-practice-correction-card:focus {
  outline: 4px solid var(--accent-dark);
  outline-offset: 4px;
}

.idiom-quiz-dock {
  position: sticky;
  z-index: 34;
  bottom: 18px;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 9px 16px;
  align-items: center;
  max-width: 820px;
  min-width: 0;
  margin: 24px auto 0;
  padding: 10px 11px;
  border: 2px solid var(--ink);
  background: color-mix(in srgb, var(--paper-soft) 94%, transparent);
  box-shadow: 5px 5px 0 color-mix(in srgb, var(--ink) 24%, transparent);
  backdrop-filter: blur(14px);
}

.idiom-quiz-dock > * { min-width: 0; }

.idiom-quiz-dock > :where(p, small, div) {
  margin-block: 0;
  color: var(--ink-soft);
  font-size: 0.7rem;
  font-weight: 760;
  line-height: 1.45;
  text-align: center;
}

.idiom-quiz-dock :where(.primary-button, .secondary-button, button) {
  min-height: 48px;
}

.idiom-quiz-dock .primary-button { min-width: min(230px, 34vw); }

/* The supplementary round submits from the last-question dock; no duplicate review grid. */
.idiom-quiz-dock.is-supplement-final .primary-button {
  min-width: min(280px, 38vw);
}

.idiom-quiz-dock :where(button, a):focus-visible {
  outline: 3px solid var(--accent-dark);
  outline-offset: 3px;
}

.idiom-quiz-review,
.idiom-quiz-results,
.idiom-quiz-corrections {
  max-width: 900px;
  margin-inline: auto;
  padding: clamp(28px, 5vw, 48px) 0;
  border-bottom: 1px solid var(--line-strong);
  scroll-margin-block: 24px 140px;
}

.idiom-quiz-review > header,
.idiom-quiz-results > header,
.idiom-quiz-corrections > header,
.idiom-practice-extension > header {
  display: grid;
  gap: 7px;
  margin-bottom: 22px;
}

.idiom-quiz-review > header > *,
.idiom-quiz-results > header > *,
.idiom-quiz-corrections > header > *,
.idiom-practice-extension > header > * { margin-block: 0; }

.idiom-quiz-review > header h2,
.idiom-quiz-results > header h2,
.idiom-quiz-corrections > header h2,
.idiom-practice-extension > header h2 {
  font-size: clamp(1.42rem, 4vw, 2.15rem);
  letter-spacing: -0.045em;
  line-height: 1.2;
}

.idiom-quiz-review-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  margin: 0;
  padding: 1px;
  border: 1px solid var(--ink);
  background: var(--ink);
  list-style: none;
}

.idiom-quiz-review-list > * {
  min-width: 0;
  margin: 0;
  background: var(--paper-soft);
}

.idiom-quiz-review-list :where(button, a) {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 8px;
  align-items: center;
  width: 100%;
  min-height: 54px;
  padding: 9px 11px;
  border: 0;
  border-bottom: 4px dashed var(--line-strong);
  border-radius: 0;
  background: transparent;
  color: var(--ink);
  font: inherit;
  text-align: left;
  cursor: pointer;
}

.idiom-quiz-review-list :where(button, a) > span {
  display: grid;
  gap: 2px;
  min-width: 0;
}

.idiom-quiz-review-list :where(button, a) :where(strong, small) {
  display: block;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.idiom-quiz-review-list :where(button, a) small {
  color: var(--ink-soft);
  font-size: 0.65rem;
}

.idiom-quiz-review-list :where(button, a) em {
  color: var(--ink-soft);
  font-size: 0.66rem;
  font-style: normal;
  font-weight: 900;
  white-space: nowrap;
}

.idiom-quiz-review-list .is-answered :where(button, a),
.idiom-quiz-review-list :where(button, a).is-answered {
  border-bottom-color: var(--success);
  border-bottom-style: double;
}

.idiom-quiz-review-list .is-unanswered :where(button, a),
.idiom-quiz-review-list :where(button, a).is-unanswered {
  border-bottom-color: var(--danger);
  border-bottom-style: dashed;
}

.idiom-quiz-results {
  animation: idiom-workspace-in 220ms ease-out both;
}

.idiom-quiz-result-groups {
  display: grid;
  border-top: 2px solid var(--ink);
}

.idiom-quiz-result-group {
  min-width: 0;
  padding: 20px 0 22px;
  border-bottom: 1px solid var(--idiom-quiz-rule, var(--line-strong));
}

.idiom-quiz-result-group > header {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 7px 18px;
  align-items: baseline;
  margin-bottom: 12px;
}

.idiom-quiz-result-group > header > * { min-width: 0; margin-block: 0; }
.idiom-quiz-result-group > header h3 { font-size: 1rem; }
.idiom-quiz-result-group > header strong { font-size: 1.08rem; white-space: nowrap; }

.idiom-quiz-result-group :where(ol, ul) {
  display: grid;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
}

.idiom-quiz-result-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 7px 16px;
  min-width: 0;
  min-height: 52px;
  padding: 10px 9px 10px 14px;
  border-top: 1px solid var(--idiom-quiz-rule, var(--line-strong));
  border-left: 6px solid var(--line-strong);
}

.idiom-quiz-result-item > * { min-width: 0; margin-block: 0; }
.idiom-quiz-result-item small { color: var(--ink-soft); line-height: 1.5; }
.idiom-quiz-result-item > :last-child { font-size: 0.72rem; font-weight: 900; text-align: right; }

.idiom-quiz-result-item.is-correct {
  border-left-color: var(--success);
  border-left-style: solid;
}

.idiom-quiz-result-item.is-wrong {
  border-left-color: var(--danger);
  border-left-style: dashed;
  background: repeating-linear-gradient(-45deg, transparent 0 9px, color-mix(in srgb, var(--danger) 6%, transparent) 9px 11px);
}

.idiom-quiz-result-item.is-corrected {
  border-left-color: var(--ink);
  border-left-style: double;
}

.idiom-quiz-corrections { max-width: 820px; }

.idiom-practice-correction-card {
  min-width: 0;
  min-height: 300px;
  padding: 26px 0 30px;
  border-top: 2px solid var(--ink);
  border-bottom: 1px solid var(--ink);
  scroll-margin-block: 24px 140px;
}

.idiom-practice-correction-card > header {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 7px 16px;
  align-items: baseline;
  margin-bottom: 18px;
}

.idiom-practice-correction-card > header > * { min-width: 0; margin-block: 0; }

.idiom-practice-correction-card.is-current { border-left: 5px dashed var(--accent); padding-left: 16px; }
.idiom-practice-correction-card.is-correct { border-left: 5px solid var(--success); padding-left: 16px; }

.idiom-practice-extension {
  max-width: 900px;
  margin: 34px auto 0;
  padding: 30px 0 0;
  border-top: 3px double var(--ink);
}

.idiom-solve-stage,
.idiom-submit-review,
.idiom-result-sheet,
.idiom-correction-stage,
.idiom-writing-stage {
  min-width: 0;
  padding: clamp(26px, 5vw, 48px) 0;
  border-bottom: 1px solid var(--line-strong);
}

.idiom-solve-stage > header,
.idiom-submit-review > header,
.idiom-result-sheet > header,
.idiom-correction-stage > header,
.idiom-writing-stage > header {
  display: grid;
  gap: 7px;
  margin-bottom: 22px;
}

.idiom-solve-stage > header > *,
.idiom-submit-review > header > *,
.idiom-result-sheet > header > *,
.idiom-correction-stage > header > *,
.idiom-writing-stage > header > * {
  margin-block: 0;
}

.idiom-solve-stage > header h2,
.idiom-submit-review > header h2,
.idiom-result-sheet > header h2,
.idiom-correction-stage > header h2,
.idiom-writing-stage > header h2 {
  font-size: clamp(1.55rem, 4vw, 2.35rem);
  letter-spacing: -0.055em;
  line-height: 1.16;
}

.idiom-solve-stage > header p,
.idiom-submit-review > header p,
.idiom-result-sheet > header p,
.idiom-correction-stage > header p,
.idiom-writing-stage > header p {
  max-width: 680px;
  color: var(--ink-soft);
  font-size: 0.84rem;
  line-height: 1.65;
}

/* Solving records a choice but deliberately withholds correctness until submit. */
.idiom-solve-stage .idiom-choice.is-selected,
.idiom-solve-stage .idiom-choice.is-correct,
.idiom-solve-stage .idiom-choice.is-wrong {
  border: 2px solid var(--ink);
  background: var(--idiom-session-wash, var(--paper-soft));
  color: var(--ink);
}

.idiom-solve-stage .idiom-choice.is-selected > span,
.idiom-solve-stage .idiom-choice.is-correct > span,
.idiom-solve-stage .idiom-choice.is-wrong > span {
  background: var(--idiom-night);
  color: white;
}

.idiom-solve-stage .idiom-choice svg {
  color: currentColor;
}

.idiom-submit-review {
  background:
    linear-gradient(90deg, var(--idiom-session-wash), transparent 58%);
}

.idiom-submit-review ol,
.idiom-submit-review ul {
  display: grid;
  gap: 0;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--idiom-session-rule);
  list-style: none;
}

.idiom-submit-review li {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 10px 18px;
  align-items: center;
  min-height: 52px;
  padding: 9px 0;
  border-bottom: 1px solid var(--idiom-session-rule);
  font-size: 0.8rem;
  font-weight: 780;
}

.idiom-submit-review li > :last-child {
  color: var(--ink-soft);
  font-size: 0.72rem;
  font-weight: 850;
  text-align: right;
}

.idiom-submit-review .is-ready > :last-child { color: var(--success); }
.idiom-submit-review .is-writing > :last-child { color: var(--accent-dark); }

.idiom-result-sheet,
.idiom-correction-stage {
  animation: idiom-workspace-in 220ms ease-out both;
}

@keyframes idiom-workspace-in {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

.idiom-result-summary {
  display: grid;
  grid-template-columns: minmax(150px, 0.55fr) minmax(0, 1.45fr);
  gap: clamp(18px, 4vw, 44px);
  align-items: stretch;
  margin: 20px 0 30px;
  padding: 0 0 28px;
  border-bottom: 3px double var(--ink);
}

.idiom-result-summary > * {
  min-width: 0;
  margin-block: 0;
}

.idiom-result-summary > strong {
  grid-column: 1;
  grid-row: 1;
  display: grid;
  place-content: center;
  min-height: 132px;
  padding: 18px;
  border: 3px solid var(--ink);
  background: var(--idiom-night);
  color: white;
  box-shadow: 6px 6px 0 var(--accent-soft);
  text-align: center;
}

.idiom-result-summary > strong {
  font-size: clamp(2.2rem, 6vw, 3.7rem);
  line-height: 1;
}

.idiom-result-summary > strong small {
  display: block;
  margin-top: 7px;
  color: rgba(255, 255, 255, 0.78);
  font-size: 0.68rem;
  font-weight: 850;
}

.idiom-result-summary > div {
  grid-column: 2;
  grid-row: 1;
  display: grid;
  align-content: center;
  gap: 8px;
}

.idiom-result-summary > div h2 {
  margin: 0;
  font-size: clamp(1.2rem, 3vw, 1.75rem);
  letter-spacing: -0.035em;
}

.idiom-result-summary > div p {
  margin: 0;
  color: var(--ink-soft);
  line-height: 1.65;
}

.idiom-score-table {
  display: grid;
  margin: 0;
  padding: 0;
  border-top: 2px solid var(--ink);
  list-style: none;
}

.idiom-result-row {
  position: relative;
  display: grid;
  grid-template-columns: minmax(120px, 0.7fr) minmax(0, 1.5fr) auto;
  gap: 12px 22px;
  align-items: center;
  min-height: 70px;
  padding: 13px 10px 13px 18px;
  border-bottom: 1px solid var(--idiom-session-rule);
  border-left: 6px solid var(--line-strong);
}

.idiom-result-row > * {
  min-width: 0;
  margin-block: 0;
}

.idiom-result-row > :first-child {
  font-size: 0.78rem;
  font-weight: 900;
}

.idiom-result-row p,
.idiom-result-row small {
  color: var(--ink-soft);
  font-size: 0.75rem;
  line-height: 1.55;
}

.idiom-result-row > :last-child {
  justify-self: end;
  font-size: 0.73rem;
  font-weight: 900;
  white-space: nowrap;
}

.idiom-result-row.is-correct {
  border-left-color: var(--success);
  border-left-style: solid;
  background: color-mix(in srgb, var(--success) 7%, transparent);
}

.idiom-result-row.is-wrong {
  border-left-color: var(--danger);
  border-left-style: dashed;
  background:
    repeating-linear-gradient(-45deg, transparent 0 8px, color-mix(in srgb, var(--danger) 7%, transparent) 8px 10px);
}

.idiom-result-row.is-participation {
  border-left-color: var(--pixel-water);
  border-left-style: double;
  background: color-mix(in srgb, var(--pixel-water) 7%, transparent);
}

.idiom-result-row.is-writing {
  border-left-color: var(--accent);
  border-left-style: double;
  background: color-mix(in srgb, var(--accent) 7%, transparent);
}

.idiom-result-row.is-ready {
  border-left-color: var(--ink);
  border-left-style: double;
}

.idiom-result-row.is-correct > :last-child { color: var(--success); }
.idiom-result-row.is-wrong > :last-child { color: var(--danger); }
.idiom-result-row.is-participation > :last-child { color: var(--pixel-water); }
.idiom-result-row.is-writing > :last-child { color: var(--accent-dark); }

.idiom-correction-stage {
  max-width: 820px;
  margin-inline: auto;
}

.idiom-correction-stage .idiom-choice-list {
  margin-top: 18px;
}

.idiom-correction-card {
  min-width: 0;
  padding: 26px 0 30px;
  border-top: 1px solid var(--idiom-session-rule);
}

.idiom-correction-card:last-child {
  border-bottom: 1px solid var(--idiom-session-rule);
}

.idiom-correction-card > h3 {
  margin: 0;
  font-size: 1.08rem;
}

.idiom-correction-card > h3 + p {
  margin: 8px 0 16px;
  color: var(--ink-soft);
  line-height: 1.6;
}

.idiom-correction-card > .primary-button {
  min-height: 48px;
  margin-top: 14px;
}

.idiom-correction-card.is-current {
  padding-left: 16px;
  border-left: 5px dashed var(--accent);
}

.idiom-correction-card.is-correct {
  border-left: 5px solid var(--success);
  padding-left: 16px;
}

.idiom-correction-feedback {
  display: grid;
  gap: 6px;
  margin-top: 14px;
  padding: 15px 16px;
  border: 2px solid var(--ink);
  border-left-width: 7px;
  background: var(--paper-soft);
  font-size: 0.8rem;
  line-height: 1.6;
}

.idiom-correction-feedback > * { margin-block: 0; }
.idiom-correction-feedback strong { font-size: 0.9rem; }

.idiom-correction-feedback.is-correct {
  border-left-color: var(--success);
  border-left-style: solid;
  background: color-mix(in srgb, var(--success) 8%, var(--paper-soft));
}

.idiom-correction-feedback.is-wrong {
  border-left-color: var(--danger);
  border-left-style: dashed;
  background: color-mix(in srgb, var(--danger) 7%, var(--paper-soft));
}

.idiom-writing-stage {
  max-width: 900px;
  margin-inline: auto;
}

.idiom-writing-stage.idiom-writer {
  border-bottom: 1px solid var(--line-strong);
}

.idiom-writing-gate {
  display: grid;
  grid-template-columns: minmax(150px, 0.5fr) minmax(0, 1.5fr);
  gap: 16px 28px;
  align-items: baseline;
  margin: 0;
  padding: 22px 0;
  border-top: 1px dashed var(--ink);
  border-bottom: 1px dashed var(--ink);
  background: linear-gradient(90deg, var(--idiom-session-wash), transparent 72%);
}

.idiom-writing-gate > * {
  min-width: 0;
  margin-block: 0;
}

.idiom-writing-gate strong {
  font-size: 0.88rem;
}

.idiom-writing-gate p {
  color: var(--ink-soft);
  font-size: 0.78rem;
  line-height: 1.6;
}

.idiom-action-dock {
  position: sticky;
  z-index: 34;
  bottom: 18px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 10px 18px;
  align-items: center;
  max-width: 820px;
  min-width: 0;
  margin: 24px auto 0;
  padding: 11px 12px;
  border: 2px solid var(--ink);
  background: color-mix(in srgb, var(--paper-soft) 94%, transparent);
  box-shadow: 5px 5px 0 color-mix(in srgb, var(--ink) 24%, transparent);
  backdrop-filter: blur(14px);
}

.idiom-action-dock > * { min-width: 0; }

.idiom-action-dock > div {
  display: grid;
  gap: 4px;
}

.idiom-action-dock > div > strong {
  font-size: 0.8rem;
  line-height: 1.4;
}

.idiom-action-dock > p,
.idiom-action-dock > small,
.idiom-action-dock > div > p,
.idiom-action-dock > div > small {
  margin-block: 0;
  color: var(--ink-soft);
  font-size: 0.72rem;
  font-weight: 760;
  line-height: 1.45;
}

.idiom-action-dock .primary-button {
  min-width: min(250px, 42vw);
  min-height: 48px;
}

.idiom-action-dock .primary-button:disabled {
  border-color: var(--ink-soft);
}

.idiom-session-shell :where(a, button, input, textarea, select, [tabindex]):focus-visible {
  outline: 3px solid var(--accent-dark);
  outline-offset: 3px;
}

.idiom-next-nav {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 32px 0 70px;
}

.idiom-entry-strip {
  --idiom-night: #1d2925;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 20px;
  align-items: center;
  margin: 30px 0;
  padding: 22px 0;
  border-top: 1px solid var(--line-strong);
  border-bottom: 1px solid var(--line-strong);
}

.idiom-entry-glyphs {
  padding: 12px 14px;
  background: var(--idiom-night);
  color: white;
  font-family: var(--font-hanja);
  font-size: 1.35rem;
  letter-spacing: 0.12em;
}

.idiom-entry-strip h2 { margin: 0; font-size: 1.12rem; }
.idiom-entry-strip p { margin: 5px 0 0; color: var(--ink-soft); font-size: 0.78rem; }

@media (max-width: 979px) {
  .idiom-action-dock,
  .idiom-quiz-dock,
  .idiom-stage-pager {
    bottom: calc(82px + env(safe-area-inset-bottom));
  }
}

@media (max-width: 820px) {
  .idiom-course-hero {
    grid-template-columns: minmax(0, 1fr) clamp(150px, 24vw, 200px);
    min-height: 0;
  }

  .idiom-course-hero > .idiom-poster {
    width: clamp(150px, 24vw, 200px);
  }

  .idiom-story-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .idiom-writer-intro { grid-template-columns: 1fr; }
}

@media (max-width: 699px) {
  .idiom-writing-ai-setting-head {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
  }

  .idiom-writing-ai-setting-actions {
    display: grid;
    grid-template-columns: 1fr;
  }

  .idiom-writing-ai-setting-actions :where(button, a) {
    width: 100%;
    min-width: 0;
  }

  .literacy-track-switch { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .literacy-track-switch a { min-height: 66px; padding-inline: 8px; }
  .literacy-track-switch strong { font-size: 0.82rem; }
  .literacy-track-switch small { font-size: 0.65rem; }
  .foundation-view-switch { max-width: none; margin-bottom: 20px; }
  .foundation-view-switch a { min-height: 60px; padding-inline: 8px; }
  .foundation-view-switch strong { font-size: 0.8rem; }
  .foundation-view-switch small { font-size: 0.63rem; }

  .idiom-course-hero {
    grid-template-columns: clamp(96px, 30vw, 128px) minmax(0, 1fr);
    gap: 8px 14px;
    align-items: start;
    padding: 20px 0 22px;
  }

  .idiom-course-copy {
    display: contents;
  }

  .idiom-course-copy > .eyebrow {
    grid-column: 1 / -1;
    grid-row: 1;
    margin-bottom: 0;
  }

  .idiom-course-copy > .view-heading {
    grid-column: 1 / -1;
    grid-row: 2;
    max-width: none;
    font-size: clamp(2rem, 8.5vw, 2.65rem);
    line-height: 1.05;
  }

  .idiom-course-copy > p:not(.eyebrow):not(.idiom-course-steps) {
    grid-column: 1 / -1;
    grid-row: 3;
    display: -webkit-box;
    margin: 0;
    overflow: hidden;
    font-size: 0.82rem;
    line-height: 1.5;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
  }

  .idiom-course-copy > .idiom-course-focus {
    grid-column: 2;
    grid-row: 5;
    align-self: start;
    margin-top: 0;
    padding-left: 10px;
    border-left-width: 3px;
  }

  .idiom-course-focus h2 {
    display: -webkit-box;
    overflow: hidden;
    font-size: clamp(1.05rem, 4.5vw, 1.32rem);
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
  }

  .idiom-course-focus > small {
    overflow: hidden;
    font-size: 0.64rem;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .idiom-course-focus p:last-child {
    display: -webkit-box;
    overflow: hidden;
    font-size: 0.7rem;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
  }

  .idiom-course-copy > .idiom-course-actions {
    grid-column: 2;
    grid-row: 6;
    align-self: end;
    margin-top: 0;
  }

  .idiom-course-actions .primary-button {
    width: 100%;
    padding-inline: 10px;
    font-size: 0.76rem;
  }

  .idiom-course-actions .quiet-link {
    min-height: 44px;
    font-size: 0.7rem;
  }

  .idiom-course-copy > .idiom-course-steps,
  .idiom-course-hero > .idiom-course-steps,
  .idiom-course-hero > .idiom-course-flow {
    grid-column: 1 / -1;
    grid-row: 4;
  }

  .idiom-course-steps {
    grid-template-columns: 1fr auto;
    gap: 3px 10px;
    margin-top: 2px;
    padding-block: 8px;
  }

  .idiom-course-steps > span {
    grid-column: 1 / -1;
    grid-row: 2;
    overflow: hidden;
    font-size: 0.63rem;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .idiom-course-steps small {
    font-size: 0.62rem;
  }

  .idiom-course-flow {
    grid-auto-flow: column;
    grid-template-columns: none;
    grid-auto-columns: minmax(88px, 1fr);
    max-width: 100%;
    overflow-x: auto;
    overscroll-behavior-inline: contain;
    scrollbar-width: thin;
  }

  .idiom-course-hero > .idiom-poster {
    grid-column: 1;
    grid-row: 5 / span 2;
    align-self: start;
    width: clamp(96px, 30vw, 128px);
    padding: 7px;
    border-width: 2px;
    box-shadow: 5px 5px 0 color-mix(in srgb, var(--idiom-course-accent) 22%, var(--paper));
  }

  .idiom-course-hero > .idiom-poster span {
    font-size: clamp(1.65rem, 8vw, 2.25rem);
    text-shadow: 2px 2px 0 rgba(0, 0, 0, 0.28);
  }

  .idiom-course-hero > .idiom-poster small {
    right: 3px;
    bottom: 3px;
    max-width: calc(100% - 6px);
    padding: 3px 4px;
    overflow: hidden;
    font-size: 0.5rem;
    letter-spacing: 0.02em;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .idiom-course-summary {
    gap: 7px 10px;
    padding: 12px 0;
  }

  .idiom-course-head {
    gap: 12px;
    padding: 20px 0 13px;
  }

  .idiom-course-head .view-heading {
    margin-top: 4px;
    font-size: clamp(1.9rem, 9vw, 2.55rem);
    line-height: 1.05;
  }

  .idiom-course-overall {
    min-width: 80px;
    padding: 6px 0 5px 10px;
    border-left-width: 3px;
  }

  .idiom-course-overall strong {
    font-size: 1.25rem;
  }

  .idiom-course-overall > span {
    font-size: 0.6rem;
  }

  .idiom-course-overall progress {
    margin-top: 4px;
  }

  .idiom-course-current {
    grid-template-columns: 88px minmax(0, 1fr);
    gap: 10px 14px;
    padding: 70px 0 18px;
  }

  .idiom-current-poster {
    grid-row: 1;
    width: 88px;
    align-self: start;
    padding: 6px;
    border-width: 2px;
    box-shadow: 4px 4px 0 color-mix(in srgb, var(--idiom-course-accent) 22%, var(--paper));
  }

  .idiom-current-poster span {
    font-size: 1.55rem;
    text-shadow: 2px 2px 0 rgba(0, 0, 0, 0.28);
  }

  .idiom-current-poster small {
    max-width: calc(100% - 6px);
    padding: 2px 3px;
    overflow: hidden;
    font-size: 0.42rem;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .idiom-current-copy {
    gap: 4px;
  }

  .idiom-current-copy h2 {
    max-width: none;
  }

  .idiom-current-kicker {
    font-size: 0.62rem;
  }

  .idiom-current-copy h2 {
    font-size: clamp(1rem, 5vw, 1.28rem);
  }

  .idiom-current-teaser {
    display: -webkit-box;
    overflow: hidden;
    font-size: 0.68rem;
    line-height: 1.45;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
  }

  .idiom-current-progress {
    grid-template-columns: 1fr;
    gap: 5px;
    margin-top: 2px;
  }

  .idiom-current-progress strong,
  .idiom-current-progress span {
    font-size: 0.62rem;
  }

  .idiom-course-current > .primary-button {
    grid-column: 1 / -1;
    width: 100%;
    min-height: 50px;
    justify-self: stretch;
    padding-inline: 14px;
    font-size: 0.78rem;
  }

  .idiom-current-library:not([open]) {
    margin-top: -10px;
  }

  .idiom-current-library > summary {
    top: 16px;
    min-height: 44px;
  }

  .idiom-current-library .idiom-library-heading {
    padding-top: 18px;
  }

  .idiom-row { grid-template-columns: 38px 120px minmax(0, 1fr); gap: 10px; }
  .idiom-row-status { grid-column: 3; justify-items: start; grid-auto-flow: column; justify-content: start; }
  .idiom-workbench-step { grid-template-columns: 1fr; gap: 12px; }
  .idiom-empathy-reflection-gate,
  .idiom-empathy-reflection { width: 100%; margin-left: 0; padding-block: 22px; }
  .idiom-empathy-author-field > span { display: grid; justify-content: start; }
  .idiom-empathy-actions { grid-template-columns: 1fr; }
  .idiom-empathy-actions > :where(button, a) { min-height: 52px; }
  .idiom-experience-ai-status { grid-template-columns: 1fr; }
  .idiom-experience-ai-status > a { width: 100%; }
  .idiom-empathy-ai-feedback { padding-left: 13px; }
  .idiom-empathy-ai-feedback > header { display: grid; }
  .idiom-empathy-ai-feedback > header > strong { justify-self: start; }
  .idiom-empathy-feedback-copy { grid-template-columns: 1fr; }
  .idiom-empathy-feedback-copy > section { padding: 13px 0; }
  .idiom-empathy-feedback-copy > section + section { padding-left: 0; border-top: 1px solid var(--line); border-left: 0; }
  .idiom-rubric-grid { grid-template-columns: repeat(2, 1fr); }
  .idiom-rubric-evidence { grid-template-columns: 1fr; }
  .idiom-ai-feedback header { display: grid; align-items: start; }
  .idiom-feedback-copy { grid-template-columns: 1fr; }
  .idiom-entry-strip { grid-template-columns: auto 1fr; }
  .idiom-entry-strip .primary-button { grid-column: 1 / -1; width: 100%; }

  .idiom-stage-shell {
    padding-top: 0;
    padding-bottom: 24px;
  }

  .idiom-stage-masthead {
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 4px;
    padding: 10px 0 12px;
  }

  .idiom-stage-kicker { grid-column: 1 / -1; }
  .idiom-stage-masthead > div { grid-column: 1; }
  .idiom-stage-completion { grid-column: 2; grid-row: 2; }

  .idiom-stage-meter {
    justify-content: flex-start;
    width: 100%;
    min-width: 0;
    margin-top: 5px;
    text-align: left;
  }

  .idiom-stage-meter progress {
    flex-basis: min(180px, 56vw);
    max-width: 260px;
  }

  .idiom-session-progress {
    grid-template-columns: repeat(var(--idiom-stage-count, 8), minmax(0, 1fr));
    gap: 0;
    padding: 0;
    overflow: hidden;
  }

  .idiom-session-progress li {
    grid-template-columns: 1fr;
    place-items: center;
    min-height: 40px;
    padding: 0;
  }

  .idiom-session-progress li > :where(a, [aria-current="step"], [aria-disabled="true"]) {
    grid-template-columns: 1fr;
    place-items: center;
    min-height: 40px;
    padding: 2px 1px;
  }

  .idiom-session-progress li > :where(a, [aria-current="step"], [aria-disabled="true"]) > span:first-child {
    grid-row: auto;
    font-size: 0.72rem;
  }

  /* The masthead names the current step; keep all seven 48px targets in one row. */
  .idiom-session-progress li > :where(a, [aria-current="step"], [aria-disabled="true"]) > :where(strong, small) {
    position: absolute !important;
    width: 1px !important;
    height: 1px !important;
    margin: -1px !important;
    padding: 0 !important;
    overflow: hidden !important;
    clip: rect(0, 0, 0, 0) !important;
    white-space: nowrap !important;
    border: 0 !important;
  }

  .idiom-stage-page {
    padding-top: 16px;
  }

  .idiom-study-subnav button {
    grid-template-columns: 1fr;
    place-items: center;
    min-height: 48px;
    padding: 5px 3px;
    text-align: center;
  }

  .idiom-study-subnav button > strong {
    font-size: 0.62rem;
    line-height: 1.25;
  }

  .idiom-study-sheet {
    min-height: 0;
    padding: 18px 0 14px;
  }

  .idiom-study-subpager {
    grid-template-columns: minmax(74px, 0.65fr) minmax(0, 1fr) minmax(74px, 0.65fr);
    gap: 6px;
    padding-top: 10px;
  }

  .idiom-study-subpager > :where(button, span) { min-height: 48px; }
  .idiom-study-subpager > button { padding-inline: 8px; font-size: 0.72rem; }

  .idiom-story-subnav { margin-bottom: 12px; }
  .idiom-story-page { min-height: 0; }
  .idiom-story-page .idiom-story-section { padding-block: 16px 24px; }
  .idiom-story-continue { width: 100%; margin-top: 16px; }

  .idiom-summary-stage-links {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    margin-block: 16px;
  }

  .idiom-summary-stage-links a {
    min-height: 72px;
    padding: 8px 9px;
  }

  .idiom-stage-pager {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
    margin-top: 18px;
    padding: 8px 0;
  }

  .idiom-stage-pager > :where(a, button, span) {
    width: 100%;
    min-height: 48px;
    padding-inline: 10px;
  }

  .idiom-stage-pager > :first-child,
  .idiom-stage-pager > :last-child {
    justify-self: stretch;
  }

  .idiom-stage-pager > p {
    grid-column: 1 / -1;
    grid-row: 1;
    min-height: 0;
    text-align: left;
  }

  .idiom-stage-pager > :first-child { grid-column: 1; grid-row: 2; }
  .idiom-stage-pager > :last-child { grid-column: 2; grid-row: 2; }

  .idiom-stage-shell[data-stage="challenge"] .idiom-stage-pager {
    position: static;
  }

  .idiom-quiz-stage {
    padding-block: 26px 132px;
  }

  .idiom-quiz-worksheet {
    padding-block: 26px 34px;
  }

  .idiom-quiz-question-list {
    gap: 20px;
    margin-top: 19px;
  }

  .idiom-quiz-question-list .idiom-question-sheet {
    min-height: 0;
    padding: 20px 12px 24px;
  }

  .idiom-quiz-meter {
    grid-template-columns: auto minmax(0, 1fr);
    gap: 6px 12px;
  }

  .idiom-quiz-meter > small {
    grid-column: 1 / -1;
    grid-row: 2;
    text-align: left;
  }

  .idiom-question-nav {
    grid-auto-flow: column;
    grid-template-columns: none;
    grid-auto-columns: 48px;
    gap: 2px;
    max-width: 100%;
    margin-bottom: 18px;
    padding: 2px;
    overflow-x: auto;
    overscroll-behavior-inline: contain;
    scroll-padding-inline: 2px;
    scroll-snap-type: inline mandatory;
    scrollbar-width: thin;
  }

  .idiom-question-nav > button {
    display: grid;
    grid-template-columns: 1fr;
    place-items: center;
    width: 48px;
    min-height: 48px;
    padding: 5px;
    scroll-snap-align: center;
    text-align: center;
  }

  .idiom-question-nav > button small { display: none; }

  .idiom-question-sheet {
    min-height: 360px;
    padding: 22px 6px 26px;
  }

  .idiom-question-sheet > header {
    grid-template-columns: 1fr;
    gap: 5px;
  }

  .idiom-question-sheet > header small {
    grid-row: 1;
    white-space: normal;
  }

  .idiom-question-stimulus {
    padding: 13px 14px;
    border-left-width: 4px;
  }

  .idiom-question-sheet .idiom-choice {
    min-height: 60px;
  }

  .idiom-quiz-dock {
    bottom: calc(82px + env(safe-area-inset-bottom));
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 8px;
    margin-top: 18px;
    padding: 9px;
    box-shadow: 4px 4px 0 color-mix(in srgb, var(--ink) 24%, transparent);
  }

  .idiom-quiz-dock > :where(p, small, div) {
    grid-column: 1 / -1;
    grid-row: 1;
    text-align: left;
  }

  .idiom-quiz-dock :where(.primary-button, .secondary-button, button) {
    grid-row: 2;
    width: 100%;
    min-width: 0;
    padding-inline: 10px;
  }

  .idiom-quiz-dock.is-supplement-final {
    grid-template-columns: minmax(84px, 0.45fr) minmax(0, 1.55fr);
  }

  .idiom-quiz-dock.is-supplement-final .primary-button {
    min-width: 0;
    min-height: 52px;
  }

  .idiom-quiz-review-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .idiom-quiz-result-item {
    grid-template-columns: minmax(0, 1fr) auto;
    padding-left: 11px;
  }

  .idiom-practice-correction-card {
    min-height: 340px;
    padding-block: 22px 26px;
  }

  .idiom-practice-extension {
    margin-top: 28px;
    padding-top: 26px;
  }

  .idiom-decode-stage {
    margin-inline: -8px;
    padding: 28px 12px 30px;
    background-size: 14px 14px;
  }

  .idiom-decode-glyphs {
    box-shadow: 4px 4px 0 var(--accent-soft);
  }

  .idiom-decode-token {
    min-height: 150px;
    padding: 9px 7px 11px;
  }

  .idiom-decode-token > b { font-size: clamp(2.2rem, 11vw, 3.2rem); }
  .idiom-decode-token > strong { font-size: 0.68rem; }
  .idiom-decode-token > small { font-size: 0.6rem; }

  .idiom-literal-reading {
    grid-template-columns: 1fr;
    gap: 6px;
    margin-top: 24px;
    padding-block: 14px;
  }

  .idiom-meaning-core {
    margin-top: 18px;
    padding: 17px 15px;
    border-left-width: 5px;
  }

  .idiom-meaning-boundary {
    grid-template-columns: 1fr;
    margin-top: 19px;
  }

  .idiom-meaning-boundary > section,
  .idiom-meaning-boundary > section:nth-child(3) {
    grid-column: 1;
    border-right: 0;
    border-bottom: 1px solid var(--idiom-session-rule);
  }

  .idiom-example-duel-choices {
    grid-template-columns: 1fr;
  }

  .idiom-example-duel-choice {
    min-height: 104px;
  }

  .idiom-example-duel-submit {
    width: 100%;
    min-width: 0;
  }

  .idiom-study-next {
    grid-template-columns: 1fr;
    padding-top: 14px;
  }

  .idiom-study-next .primary-button {
    width: 100%;
    min-width: 0;
  }

  .idiom-stage-inline-action {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
  }

  .idiom-stage-inline-action > :where(a, button) {
    width: 100%;
    min-width: 0;
  }

  .idiom-decode-complete {
    grid-template-columns: 1fr;
    padding: 12px;
    box-shadow: 4px 4px 0 color-mix(in srgb, var(--ink) 22%, transparent);
  }

  .idiom-decode-complete .primary-button {
    width: 100%;
    min-width: 0;
  }

  .idiom-vocab-workshop {
    margin-top: 24px;
    padding: 19px 11px 20px;
    box-shadow: 4px 4px 0 color-mix(in srgb, var(--ink) 20%, transparent);
  }

  .idiom-vocab-workshop > header {
    grid-template-columns: 1fr;
    gap: 9px;
    padding-bottom: 14px;
  }

  .idiom-vocab-workshop > header :where(strong, small) { text-align: left; }

  .idiom-vocab-glyph-nav > button {
    grid-template-columns: 1fr;
    gap: 4px;
    justify-items: center;
    min-height: 64px;
    padding: 6px 4px;
    text-align: center;
  }

  .idiom-vocab-glyph-nav > button :where(strong, small) { font-size: 0.62rem; }

  .idiom-vocab-sheet {
    min-height: 360px;
    padding-top: 21px;
  }

  .idiom-vocab-sheet > header {
    gap: 8px 13px;
    margin-bottom: 14px;
  }

  .idiom-vocab-sheet > header :where(b, [lang="ko-Hani"]) {
    min-width: 64px;
    min-height: 64px;
    font-size: 2.7rem;
  }

  .idiom-vocab-situation { padding: 11px 12px; }

  .idiom-vocab-form {
    grid-template-columns: 1fr;
  }

  .idiom-vocab-form > button,
  .idiom-vocab-form [type="submit"] {
    width: 100%;
    min-width: 0;
  }

  .idiom-vocab-actions {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .idiom-vocab-actions :where(button, a) {
    width: 100%;
    min-width: 0;
  }

  .idiom-locked-stage {
    grid-template-columns: 66px minmax(0, 1fr);
    gap: 13px;
    padding: 16px 12px;
  }

  .idiom-locked-stage > div { padding-right: 32px; }

  .idiom-writing-gate {
    grid-template-columns: 1fr;
    gap: 5px;
    padding-block: 17px;
  }

  .idiom-solve-stage,
  .idiom-submit-review,
  .idiom-result-sheet,
  .idiom-correction-stage,
  .idiom-writing-stage {
    padding-block: 26px;
  }

  .idiom-submit-review li {
    min-height: 50px;
    padding-block: 8px;
  }

  .idiom-result-summary {
    grid-template-columns: clamp(104px, 30vw, 132px) minmax(0, 1fr);
    gap: 16px;
    margin: 16px 0 22px;
    padding-bottom: 22px;
  }

  .idiom-result-summary > strong {
    min-height: 112px;
    padding: 12px;
    box-shadow: 4px 4px 0 var(--accent-soft);
  }

  .idiom-result-summary > div p {
    font-size: 0.78rem;
    line-height: 1.52;
  }

  .idiom-result-row {
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 5px 12px;
    min-height: 66px;
    padding: 12px 8px 12px 13px;
  }

  .idiom-result-row > :nth-child(2):not(:last-child) {
    grid-column: 1 / -1;
    grid-row: 2;
  }

  .idiom-correction-feedback {
    padding: 13px 14px;
  }

  .idiom-action-dock {
    bottom: calc(82px + env(safe-area-inset-bottom));
    grid-template-columns: 1fr;
    gap: 8px;
    margin-top: 18px;
    padding: 9px;
    box-shadow: 4px 4px 0 color-mix(in srgb, var(--ink) 24%, transparent);
  }

  .idiom-action-dock .primary-button {
    width: 100%;
    min-width: 0;
  }
}

@media (max-width: 430px) {
  .idiom-course-hero { padding-top: 16px; }
  .idiom-course .idiom-poster { box-shadow: 4px 4px 0 color-mix(in srgb, var(--idiom-course-accent) 22%, var(--paper)); }
  .idiom-course-summary { grid-template-columns: 1fr auto; }
  .idiom-course-summary progress { grid-column: 1 / -1; grid-row: 2; }
  .idiom-course-head { align-items: center; }
  .idiom-course-head .eyebrow { font-size: 0.62rem; }
  .idiom-course-overall { min-width: 74px; }
  .idiom-course-current { grid-template-columns: 80px minmax(0, 1fr); }
  .idiom-current-poster { width: 80px; }
  .idiom-current-poster span { font-size: 1.4rem; }
  .idiom-quiz-question-list {
    grid-template-columns: minmax(0, 1fr);
    padding: 0;
  }

  .idiom-quiz-question-list .idiom-question-sheet {
    width: 100%;
    overflow-wrap: anywhere;
  }

  .idiom-quiz-question-list .idiom-choice {
    width: 100%;
    min-height: 48px;
  }

  .idiom-correction-admin-preview-item {
    padding: 14px 10px;
  }

  .idiom-question-admin-field,
  .idiom-correction-admin-choices > li {
    grid-template-columns: minmax(0, 1fr) 44px;
  }

  .idiom-correction-admin-choices > li > span {
    align-items: flex-start;
    flex-wrap: wrap;
  }

  .idiom-correction-admin-choices em {
    width: 100%;
    margin-left: 0;
  }
  .idiom-library-heading { display: grid; align-items: start; }
  .idiom-row { grid-template-columns: 34px 1fr; min-height: 104px; }
  .idiom-row-glyphs { grid-column: 2; }
  .idiom-row-copy { grid-column: 2; }
  .idiom-row-status { grid-column: 2; }
  .idiom-detail-head { grid-template-columns: 1fr; }
  .idiom-progress-mark { justify-self: start; }
  .idiom-story-grid { grid-template-columns: 1fr; }
  .idiom-story-panel { grid-template-columns: 126px minmax(0, 1fr); grid-template-rows: minmax(150px, auto); }
  .idiom-token-slots,
  .idiom-token-tray { gap: 5px; }
  .idiom-token-slot,
  .idiom-token { min-height: 82px; }
  .idiom-token b { font-size: 1.7rem; }
  .idiom-author-field > span { display: grid; }
  .idiom-writer-actions > button { width: 100%; }
  .idiom-ai-feedback { padding: 18px; box-shadow: 5px 5px 0 var(--idiom-sky); }
  .idiom-next-nav { display: grid; }
  .idiom-next-nav > * { width: 100%; }
  .idiom-stage-title { font-size: clamp(1.45rem, 8vw, 1.95rem); }
  .idiom-stage-meter { font-size: 0.64rem; }
  .idiom-session-progress li { grid-template-columns: 1fr; padding-inline: 3px; }
  .idiom-result-summary { grid-template-columns: 96px minmax(0, 1fr); gap: 13px; }
  .idiom-result-summary > strong { min-height: 100px; font-size: 2.15rem; }
  .idiom-result-summary > div h2 { font-size: 1.08rem; }
  .idiom-result-row > :last-child { white-space: normal; text-align: right; }
  .idiom-correction-card.is-current,
  .idiom-correction-card.is-correct { padding-left: 11px; }
  .idiom-writing-stage .idiom-author-field textarea { min-height: 180px; padding: 16px; }
  .idiom-decode-stage { margin-inline: -6px; padding-inline: 9px; }
  .idiom-decode-token { min-height: 146px; padding-inline: 5px; }
  .idiom-decode-token > strong { font-size: 0.64rem; }
  .idiom-decode-token > small { font-size: 0.57rem; line-height: 1.38; }
  .idiom-example-duel-choice { padding-right: 58px; }
  .idiom-question-sheet { min-height: 380px; }
  .idiom-quiz-review-list { grid-template-columns: 1fr; }
  .idiom-quiz-result-group > header { grid-template-columns: 1fr auto; gap: 5px 10px; }
  .idiom-practice-correction-card.is-current,
  .idiom-practice-correction-card.is-correct { padding-left: 11px; }
  .idiom-vocab-workshop { margin-inline: -2px; padding-inline: 9px; }
  .idiom-vocab-sheet { min-height: 370px; }
}

@media (max-width: 360px) {
  .idiom-course-hero {
    grid-template-columns: 96px minmax(0, 1fr);
    column-gap: 12px;
  }

  .idiom-course-copy > .view-heading {
    font-size: 1.9rem;
  }

  .idiom-course-actions .primary-button {
    font-size: 0.72rem;
  }

  .idiom-story-panel {
    grid-template-columns: 1fr;
    grid-template-rows: 128px auto;
  }

  .idiom-result-summary {
    grid-template-columns: 88px minmax(0, 1fr);
    gap: 11px;
  }

  .idiom-result-summary > strong {
    min-height: 92px;
    padding: 9px;
    font-size: 1.9rem;
  }

  .idiom-action-dock { padding: 8px; }
  .idiom-stage-pager { gap: 6px; }
  .idiom-stage-pager > :where(a, button, span) { padding-inline: 7px; font-size: 0.7rem; }

  .idiom-decode-stage {
    margin-inline: -4px;
    padding-inline: 7px;
  }

  .idiom-decode-token {
    min-height: 140px;
    padding-inline: 4px;
  }

  .idiom-decode-token > b { font-size: 2.15rem; }
  .idiom-decode-token > strong { font-size: 0.6rem; }
  .idiom-decode-token > small { font-size: 0.54rem; }

  .idiom-locked-stage {
    grid-template-columns: 56px minmax(0, 1fr);
    padding-inline: 10px;
  }

  .idiom-quiz-meter { column-gap: 8px; }
  .idiom-question-sheet { min-height: 400px; padding-inline: 3px; }
  .idiom-question-stimulus { padding-inline: 11px; }
  .idiom-quiz-dock { padding: 8px; }
  .idiom-quiz-dock :where(.primary-button, .secondary-button, button) { font-size: 0.7rem; }
  .idiom-quiz-result-item { grid-template-columns: 1fr; }
  .idiom-quiz-result-item > :last-child { text-align: left; }
  .idiom-vocab-workshop { padding-inline: 7px; }
  .idiom-vocab-glyph-nav > button { min-height: 60px; padding-inline: 2px; }
  .idiom-vocab-glyph-nav > button :where(b, [lang="ko-Hani"]) { font-size: 1.72rem; }
  .idiom-vocab-glyph-nav > button :where(strong, small) { font-size: 0.58rem; }
  .idiom-vocab-sheet { min-height: 380px; }
  .idiom-vocab-actions { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }

  .idiom-poster span,
  .idiom-story-panel,
  .idiom-ai-feedback,
  .idiom-result-sheet,
  .idiom-correction-stage,
  .idiom-question-sheet,
  .idiom-quiz-results,
  .idiom-example-duel-feedback,
  .idiom-vocab-verdict { animation: none !important; }
  .idiom-stage-page,
  .idiom-study-sheet,
  .idiom-story-page,
  .idiom-completion-summary { animation: none !important; }
  .idiom-row,
  .idiom-token,
  .idiom-course-flow > *,
  .idiom-action-dock,
  .idiom-correction-feedback,
  .idiom-example-duel-choice,
  .idiom-example-duel-submit,
  .idiom-study-next,
  .idiom-study-next .primary-button,
  .idiom-decode-complete,
  .idiom-question-nav > button,
  .idiom-quiz-dock,
  .idiom-quiz-result-item,
  .idiom-practice-correction-card,
  .idiom-vocab-glyph-nav > button,
  .idiom-vocab-sheet,
  .idiom-vocab-verdict,
  .idiom-vocab-hints button,
  .idiom-writing-ai-setting-actions :where(button, a),
  .idiom-session-progress li > a,
  .idiom-stage-pager :where(a, button),
  .idiom-study-subnav button,
  .idiom-story-subnav button,
  .idiom-summary-stage-links a { transition: none !important; }
}

@media (forced-colors: active) {
  .idiom-poster,
  .idiom-progress-mark,
  .idiom-story-panel,
  .idiom-panel-scene,
  .idiom-pixel-actor,
  .idiom-pixel-prop,
  .idiom-choice,
  .idiom-token-slot,
  .idiom-token,
  .idiom-writing-brief,
  .idiom-author-field textarea,
  .idiom-writing-ai-setting,
  .idiom-writing-ai-setting-checks,
  .idiom-writing-ai-setting-checks label,
  .idiom-writing-ai-output,
  .idiom-ai-feedback,
  .idiom-rubric-grid > div,
  .idiom-rubric-evidence section,
  .idiom-ai-state,
  .idiom-entry-glyphs,
  .idiom-next,
  .idiom-course-next,
  .idiom-course-flow,
  .idiom-course-flow > *,
  .idiom-course-steps,
  .idiom-course-focus,
  .idiom-course-overall,
  .idiom-course-current,
  .idiom-stage-shell,
  .idiom-stage-masthead,
  .idiom-stage-meter,
  .idiom-stage-meter progress,
  .idiom-stage-page,
  .idiom-stage-pager,
  .idiom-stage-pager > :where(a, button, span),
  .idiom-study-subnav > ol,
  .idiom-story-subnav > ol,
  .idiom-study-subnav li,
  .idiom-story-subnav li,
  .idiom-study-subnav button,
  .idiom-story-subnav button,
  .idiom-study-sheet,
  .idiom-study-subpager,
  .idiom-study-subpager > :where(button, span),
  .idiom-story-page,
  .idiom-story-continue,
  .idiom-completion-summary,
  .idiom-summary-stage-links,
  .idiom-summary-stage-links > li,
  .idiom-summary-stage-links a,
  .idiom-current-library,
  .idiom-current-library > summary,
  .idiom-row.is-current,
  .idiom-session-progress,
  .idiom-session-progress li,
  .idiom-submit-review,
  .idiom-result-summary > strong,
  .idiom-score-table,
  .idiom-result-row,
  .idiom-correction-card,
  .idiom-correction-feedback,
  .idiom-writing-stage,
  .idiom-writing-gate,
  .idiom-action-dock,
  .idiom-decode-stage,
  .idiom-decode-glyphs,
  .idiom-decode-token,
  .idiom-literal-reading,
  .idiom-meaning-core,
  .idiom-meaning-boundary,
  .idiom-meaning-boundary > section,
  .idiom-example-duel,
  .idiom-example-duel-choice,
  .idiom-example-duel-submit,
  .idiom-example-duel-feedback,
  .idiom-study-next,
  .idiom-decode-complete,
  .idiom-locked-stage,
  .idiom-quiz-stage,
  .idiom-quiz-meter progress,
  .idiom-question-nav,
  .idiom-question-nav > button,
  .idiom-question-sheet,
  .idiom-question-grade,
  .idiom-question-admin-fields,
  .idiom-question-admin-field,
  .idiom-correction-admin-preview,
  .idiom-correction-admin-preview-item,
  .idiom-correction-admin-choices > li,
  .idiom-question-stimulus,
  .idiom-quiz-dock,
  .idiom-quiz-review,
  .idiom-quiz-review-list,
  .idiom-quiz-review-list > *,
  .idiom-quiz-results,
  .idiom-quiz-result-group,
  .idiom-quiz-result-item,
  .idiom-quiz-corrections,
  .idiom-practice-correction-card,
  .idiom-practice-extension,
  .idiom-chat-challenge,
  .idiom-challenge-rule,
  .idiom-challenge-setting,
  .idiom-challenge-victory,
  .idiom-challenge-characters,
  .idiom-challenge-character > button,
  .idiom-challenge-log,
  .idiom-challenge-log > li,
  .idiom-vocab-workshop,
  .idiom-vocab-glyph-nav,
  .idiom-vocab-glyph-nav > button,
  .idiom-vocab-sheet,
  .idiom-vocab-sheet > header :where(b, [lang="ko-Hani"]),
  .idiom-vocab-situation,
  .idiom-vocab-form input,
  .idiom-vocab-hints :where(button, summary),
  .idiom-vocab-verdict,
  .idiom-vocab-actions :where(button, a) {
    border-color: CanvasText;
    background: Canvas;
    box-shadow: none;
    color: CanvasText;
  }

  .idiom-poster::before,
  .idiom-poster::after,
  .idiom-panel-scene::before { display: none; }

  .idiom-choice.is-selected,
  .idiom-choice.is-correct { outline: 3px solid Highlight; outline-offset: -3px; }

  .idiom-solve-stage .idiom-choice.is-selected,
  .idiom-solve-stage .idiom-choice.is-correct,
  .idiom-solve-stage .idiom-choice.is-wrong {
    border-style: solid;
    outline: 3px solid Highlight;
    outline-offset: -3px;
  }

  .idiom-result-row.is-correct,
  .idiom-correction-feedback.is-correct {
    border-style: solid;
    outline: 3px solid Highlight;
    outline-offset: -3px;
  }

  .idiom-result-row.is-wrong,
  .idiom-choice.is-graded-wrong,
  .idiom-correction-feedback.is-wrong {
    border-style: dashed;
    outline: 3px dashed CanvasText;
    outline-offset: -3px;
  }

  .idiom-result-row.is-participation,
  .idiom-result-row.is-writing,
  .idiom-result-row.is-ready,
  .idiom-choice.is-graded-correct,
  .idiom-question-grade.is-correct {
    border-style: double;
  }

  .idiom-session-progress li.is-current,
  .idiom-session-progress [aria-current="step"] {
    background: Highlight;
    color: HighlightText;
  }

  .idiom-session-progress li.is-current > span,
  .idiom-session-progress li.is-current small,
  .idiom-session-progress [aria-current="step"] > span,
  .idiom-session-progress [aria-current="step"] small {
    color: HighlightText;
  }

  .idiom-result-summary > strong small { color: CanvasText; }

  .idiom-session-progress li.is-ready {
    border-bottom: 4px double CanvasText;
    box-shadow: none;
  }

  .idiom-session-progress li:has(> [aria-disabled="true"]),
  .idiom-stage-pager > [aria-disabled="true"] {
    border-style: dashed;
    color: GrayText;
  }

  .idiom-session-progress li > a:focus-visible,
  .idiom-stage-page:focus-visible,
  .idiom-stage-pager > :where(a, button):focus-visible,
  .idiom-study-subnav button:focus-visible,
  .idiom-story-subnav button:focus-visible,
  .idiom-story-continue:focus-visible,
  .idiom-study-subpager button:focus-visible,
  .idiom-summary-stage-links a:focus-visible {
    outline-color: Highlight;
  }

  .idiom-study-subnav li.is-current button,
  .idiom-story-subnav li.is-current button,
  .idiom-study-subnav button[aria-current="step"],
  .idiom-story-subnav button[aria-current="step"] {
    border-bottom-style: solid;
    background: Highlight;
    color: HighlightText;
  }

  .idiom-study-subnav li.is-complete button,
  .idiom-story-subnav li.is-complete button {
    border-bottom: 4px double CanvasText;
  }

  .idiom-study-subnav button:disabled,
  .idiom-story-subnav button:disabled {
    border-bottom-style: dashed;
    color: GrayText;
  }

  .idiom-correction-card.is-current { border-left-style: dashed; }
  .idiom-correction-card.is-correct { border-left-style: solid; }

  .idiom-example-duel-choice[aria-pressed="true"],
  .idiom-example-duel-choice.is-correct,
  .idiom-example-duel-feedback.is-correct {
    border-style: solid;
    outline: 3px solid Highlight;
    outline-offset: -3px;
  }

  .idiom-example-duel-choice.is-incorrect,
  .idiom-example-duel-choice.is-wrong,
  .idiom-example-duel-feedback.is-incorrect,
  .idiom-example-duel-feedback.is-wrong,
  .idiom-locked-stage {
    border-style: dashed;
    outline: 3px dashed CanvasText;
    outline-offset: -3px;
  }

  .idiom-example-duel-feedback.is-review { border-left-style: double; }

  .idiom-question-sheet .idiom-choice[aria-pressed="true"] {
    border-style: solid;
    background: Highlight;
    color: HighlightText;
  }

  .idiom-example-duel-choice:focus-visible,
  .idiom-example-duel-submit:focus-visible,
  .idiom-example-duel-feedback:focus,
  .idiom-study-next .primary-button:focus-visible,
  .idiom-decode-complete .primary-button:focus-visible,
  .idiom-study-next:focus,
  .idiom-decode-complete:focus,
  .idiom-decode-stage:focus {
    outline-color: Highlight;
  }

  .idiom-question-nav > button.is-current,
  .idiom-question-nav > button[aria-current="step"] {
    border-bottom-style: solid;
    background: Highlight;
    box-shadow: none;
    color: HighlightText;
  }

  .idiom-question-nav > button.is-answered,
  .idiom-quiz-review-list .is-answered :where(button, a),
  .idiom-quiz-review-list :where(button, a).is-answered {
    border-bottom-style: double;
  }

  .idiom-quiz-review-list .is-unanswered :where(button, a),
  .idiom-quiz-review-list :where(button, a).is-unanswered,
  .idiom-quiz-result-item.is-wrong,
  .idiom-practice-correction-card.is-current {
    border-style: dashed;
    outline: 2px dashed CanvasText;
    outline-offset: -2px;
  }

  .idiom-quiz-result-item.is-correct,
  .idiom-practice-correction-card.is-correct {
    border-style: solid;
    outline: 3px solid Highlight;
    outline-offset: -3px;
  }

  .idiom-quiz-result-item.is-corrected { border-style: double; }

  .idiom-vocab-glyph-nav > button.is-current,
  .idiom-vocab-glyph-nav > button[aria-current="step"],
  .idiom-vocab-glyph-nav > button[aria-pressed="true"] {
    border-bottom-style: solid;
    background: Highlight;
    color: HighlightText;
  }

  .idiom-vocab-verdict.is-verified,
  .idiom-vocab-verdict[data-status="verified"],
  .idiom-vocab-verdict[data-status="scenario_answer"],
  .idiom-vocab-verdict[data-status="situation_match"],
  .idiom-vocab-verdict[data-status="verified_other"] {
    border-left-style: solid;
    outline: 3px solid Highlight;
    outline-offset: -3px;
  }

  .idiom-vocab-verdict.is-created,
  .idiom-vocab-verdict[data-status="created"],
  .idiom-vocab-verdict[data-status="unverified_candidate"] { border-left-style: double; }

  .idiom-vocab-verdict.is-pending,
  .idiom-vocab-verdict[data-status="pending"],
  .idiom-vocab-verdict[data-status="needs_review"],
  .idiom-vocab-verdict[data-status="needs_disambiguation"],
  .idiom-vocab-verdict.is-needs-review,
  .idiom-vocab-verdict[data-status="needs-review"],
  .idiom-vocab-verdict[data-reason="ai_invalid_response"],
  .idiom-vocab-verdict[data-reason="ai_upstream_error"],
  .idiom-vocab-verdict.is-offline,
  .idiom-vocab-verdict[data-status="offline"],
  .idiom-vocab-verdict[data-reason="offline"],
  .idiom-vocab-verdict[data-reason="network_error"],
  .idiom-vocab-verdict[data-reason="ai_temporarily_unavailable"],
  .idiom-vocab-verdict[data-reason="ai_timeout"],
  .idiom-vocab-verdict.is-retry,
  .idiom-vocab-verdict[data-status="retry"],
  .idiom-vocab-verdict[data-reason="rate_limited"],
  .idiom-vocab-verdict[data-status="target_glyph_mismatch"],
  .idiom-vocab-verdict[data-status="nonstandard_combination"],
  .idiom-vocab-form input[aria-invalid="true"] {
    border-style: dashed;
    outline: 2px dashed CanvasText;
    outline-offset: -2px;
  }

  .idiom-vocab-verdict.is-no-key,
  .idiom-vocab-verdict[data-status="no_key"],
  .idiom-vocab-verdict[data-status="no-key"],
  .idiom-vocab-verdict[data-status="ai_not_configured"],
  .idiom-vocab-verdict[data-reason="ai_not_configured"] {
    border-left-style: double;
    outline: 3px double CanvasText;
    outline-offset: -3px;
  }

  .idiom-vocab-form[aria-busy="true"] input,
  .idiom-vocab-form.is-pending input,
  .idiom-vocab-form[data-status="pending"] input,
  .idiom-vocab-form input[aria-busy="true"],
  .idiom-vocab-workshop[aria-busy="true"] .idiom-vocab-form input {
    border-bottom: 5px double Highlight;
  }

  .idiom-vocab-form[aria-busy="true"] [type="submit"],
  .idiom-vocab-form.is-pending [type="submit"],
  .idiom-vocab-form[data-status="pending"] [type="submit"],
  .idiom-vocab-form [type="submit"][aria-busy="true"],
  .idiom-vocab-form [type="submit"][disabled] {
    border-style: double;
    outline: 3px double Highlight;
    outline-offset: -3px;
  }

  .idiom-question-nav > button:focus-visible,
  .idiom-quiz-dock :where(button, a):focus-visible,
  .idiom-question-sheet:focus,
  .idiom-quiz-review:focus,
  .idiom-quiz-results:focus,
  .idiom-practice-correction-card:focus,
  .idiom-vocab-glyph-nav > button:focus-visible,
  .idiom-vocab-sheet:focus,
  .idiom-vocab-verdict:focus,
  .idiom-vocab-form :where(input, button):focus-visible,
  .idiom-vocab-hints button:focus-visible,
  .idiom-vocab-actions :where(button, a):focus-visible {
    outline-color: Highlight;
  }

  .idiom-course a:focus-visible,
  .idiom-course button:focus-visible,
  .idiom-writing-ai-setting:focus-visible,
  .idiom-writing-ai-setting-checks input:focus-visible,
  .idiom-writing-ai-setting-actions :where(button, a):focus-visible,
  .idiom-detail :where(a, button, input, textarea, select, [tabindex]):focus-visible,
  .idiom-session-shell :where(a, button, input, textarea, select, [tabindex]):focus-visible {
    outline-color: Highlight;
  }
}

@media (prefers-reduced-motion: reduce) {
  .idiom-empathy-reflection,
  .idiom-empathy-choice,
  .idiom-empathy-actions > :where(button, a),
  .idiom-empathy-ai-feedback {
    animation: none !important;
    transition: none !important;
  }
}

@media (forced-colors: active) {
  .idiom-empathy-reflection-gate,
  .idiom-empathy-reflection,
  .idiom-empathy-author-field textarea,
  .idiom-experience-ai-status,
  .idiom-empathy-ai-state,
  .idiom-empathy-draft-basis,
  .idiom-empathy-ai-feedback,
  .idiom-empathy-ai-feedback blockquote,
  .idiom-empathy-feedback-copy,
  .idiom-empathy-feedback-copy > section {
    border-color: CanvasText;
    background: Canvas;
    color: CanvasText;
  }

  .idiom-empathy-choice:has(input:focus-visible),
  .idiom-empathy-author-field textarea:focus-visible,
  .idiom-experience-ai-status:focus-visible,
  .idiom-experience-ai-status > a:focus-visible,
  .idiom-empathy-actions > :where(button, a):focus-visible,
  .idiom-empathy-ai-feedback h3:focus-visible {
    outline: 3px solid Highlight;
    outline-offset: 3px;
  }

  .idiom-empathy-ai-feedback.is-aligned {
    border-left-style: double;
  }

  .idiom-empathy-ai-feedback:is(.is-partly_aligned, .is-needs_more_context, .is-safety_support) {
    border-left-style: dashed;
  }
}

body[data-route="literacy-session"] .topbar,
body[data-route="literacy-session"] .primary-nav,
body[data-route="literacy-session"] .app-footer,
body[data-route="literacy-advanced-session"] .topbar,
body[data-route="literacy-advanced-session"] .primary-nav,
body[data-route="literacy-advanced-session"] .app-footer {
  display: none;
}

body[data-route="literacy-session"] .main-content,
body[data-route="literacy-advanced-session"] .main-content {
  width: 100%;
  max-width: none;
  margin-left: 0;
  padding: 0;
}

.literacy-session-screen {
  display: grid;
  align-content: start;
  width: min(100% - 34px, 820px);
  min-height: 100svh;
  margin: 0 auto;
  padding: 0 0 max(40px, env(safe-area-inset-bottom));
}

.advanced-structure-builder {
  min-width: 0;
  margin: 0;
  border: 0;
}

.advanced-task-stage {
  min-height: 270px;
}

.advanced-task-stage .meaning-block {
  min-width: 132px;
}

.advanced-task-stage .meaning-block small,
.advanced-task-stage .lego-piece small {
  line-height: 1.35;
  text-align: center;
}

.advanced-task-stage.text-stage blockquote {
  width: min(100%, 740px);
}

.advanced-task-stage.text-stage blockquote p,
.advanced-transfer-stage .tutor-reading p {
  font-size: clamp(1.02rem, 2.4vw, 1.16rem);
  line-height: 1.85;
}

.advanced-support-picker {
  gap: 14px;
  padding: 19px 20px;
}

.advanced-support-picker .evidence-chip {
  min-height: 48px;
  font-size: 0.92rem;
  line-height: 1.5;
}

.advanced-support-picker .evidence-chip.is-selected {
  border-color: var(--ink);
  background: var(--ink);
  color: var(--paper-soft);
  box-shadow: 3px 3px 0 color-mix(in srgb, var(--world-color, var(--accent)) 55%, transparent);
}

.argument-arrange-stage {
  place-items: stretch;
  overflow: visible;
  padding: clamp(16px, 3vw, 26px);
}

.argument-arranger {
  display: grid;
  gap: 18px;
  min-width: 0;
  margin: 0;
  padding: 0;
  border: 0;
}

.argument-slot-list {
  display: grid;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.argument-slot {
  display: grid;
  grid-template-columns: 34px minmax(86px, .35fr) minmax(0, 1fr);
  align-items: stretch;
  min-height: 76px;
  border: 3px solid var(--ink);
  background: var(--paper-soft);
  box-shadow: 4px 4px 0 rgba(24, 35, 31, 0.16);
}

.argument-slot > span,
.argument-slot > small,
.argument-slot > p {
  display: flex;
  align-items: center;
  margin: 0;
  padding: 12px;
}

.argument-slot > span {
  justify-content: center;
  padding-inline: 8px;
  border-right: 1px solid var(--line-strong);
  color: var(--ink-faint);
  font-size: 0.7rem;
  font-weight: 900;
}

.argument-slot > small {
  border-right: 1px solid var(--line-strong);
  color: var(--accent-dark);
  font-size: 0.78rem;
  font-weight: 900;
}

.argument-slot > p {
  color: var(--ink-faint);
  font-size: 0.9rem;
  font-weight: 700;
  line-height: 1.5;
}

.argument-slot-card {
  display: grid;
  grid-template-columns: 34px minmax(86px, .35fr) minmax(0, 1fr);
  grid-column: 1 / -1;
  align-items: stretch;
  width: 100%;
  min-width: 0;
  padding: 0;
  border: 0;
  background: transparent;
  cursor: pointer;
  text-align: left;
}

.argument-slot-card > span,
.argument-slot-card > small,
.argument-slot-card > p {
  display: flex;
  align-items: center;
  margin: 0;
  padding: 12px;
}

.argument-slot-card > span {
  justify-content: center;
  padding-inline: 8px;
  border-right: 1px solid var(--line-strong);
  color: var(--ink-faint);
  font-size: 0.7rem;
  font-weight: 900;
}

.argument-slot-card > small {
  display: grid;
  align-content: center;
  gap: 3px;
  border-right: 1px solid var(--line-strong);
  color: var(--accent-dark);
  font-size: 0.78rem;
  font-weight: 900;
}

.argument-slot-card > small i {
  color: var(--ink-faint);
  font-size: 0.64rem;
  font-style: normal;
  font-weight: 750;
}

.argument-slot-card > p {
  color: var(--ink);
  font-size: 0.9rem;
  font-weight: 800;
  line-height: 1.5;
}

.argument-slot-card:hover {
  background: color-mix(in srgb, var(--world-color) 12%, var(--paper-soft));
}

.argument-card-bank {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 9px;
}

.argument-card {
  display: grid;
  align-content: start;
  gap: 7px;
  min-width: 0;
  min-height: 116px;
  padding: 13px;
  border: 3px solid var(--ink);
  background: var(--paper-soft);
  box-shadow: 4px 4px 0 rgba(24, 35, 31, 0.17);
  cursor: pointer;
  text-align: left;
}

.argument-card small {
  color: var(--accent-dark);
  font-size: 0.72rem;
  font-weight: 900;
}

.argument-card strong {
  font-size: 0.9rem;
  line-height: 1.5;
}

.argument-card:hover:not(:disabled) {
  transform: translate(2px, 2px);
  box-shadow: 2px 2px 0 rgba(24, 35, 31, 0.17);
}

.argument-card.is-used {
  border-style: dashed;
  box-shadow: none;
  opacity: 0.42;
}

.argument-arranger > p {
  margin: 0;
  padding: 10px 12px;
  border-left: 4px solid var(--ink);
  background: color-mix(in srgb, var(--paper-soft) 86%, transparent);
  font-size: 0.86rem;
  font-weight: 750;
  line-height: 1.55;
}

@media (max-width: 620px) {
  .argument-arrange-stage {
    padding: 13px;
  }

  .argument-slot,
  .argument-slot-card {
    grid-template-columns: 34px minmax(0, 1fr);
  }

  .argument-slot > p,
  .argument-slot-card > p {
    grid-column: 1 / -1;
    min-height: 58px;
    border-top: 1px solid var(--line-strong);
  }

  .argument-slot > small,
  .argument-slot-card > small {
    border-right: 0;
  }

  .argument-card-bank {
    grid-template-columns: 1fr;
  }

  .argument-card {
    min-height: 0;
  }
}

.advanced-choice-list {
  grid-template-columns: 1fr !important;
}

.advanced-choice-list .literacy-choice {
  min-height: 72px;
  font-size: 1rem;
  line-height: 1.55;
}

.literacy-feedback small {
  display: block;
  margin-top: 9px;
  color: var(--ink-faint);
  font-size: 0.74rem;
  font-weight: 800;
}

.advanced-literacy-result .view-heading {
  font-family: var(--font-sans);
  font-size: clamp(4rem, 18vw, 7rem);
  letter-spacing: -0.08em;
}

.advanced-skill-results {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  width: min(100%, 720px);
  margin: 24px 0 30px;
  padding: 0;
  border-block: 1px solid var(--line-strong);
  list-style: none;
}

.advanced-skill-results li {
  display: grid;
  gap: 8px;
  padding: 16px 10px;
  border-right: 1px solid var(--line);
}

.advanced-skill-results li:last-child {
  border-right: 0;
}

.advanced-skill-results span {
  color: var(--ink-soft);
  font-size: 0.76rem;
  font-weight: 800;
}

.advanced-skill-results strong {
  font-size: 1.45rem;
}

.advanced-skill-results small {
  color: var(--ink-faint);
  font-size: 0.72rem;
}

.literacy-session-bar {
  position: sticky;
  top: 0;
  z-index: 30;
  display: grid;
  grid-template-columns: 52px minmax(0, 430px) 52px;
  align-items: center;
  justify-content: center;
  gap: 12px;
  min-height: 76px;
  background: color-mix(in srgb, var(--paper) 94%, transparent);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(16px);
}

.literacy-session-bar > div {
  display: grid;
  gap: 7px;
}

.literacy-session-bar > div span {
  color: var(--ink-soft);
  font-size: 0.8rem;
  font-weight: 850;
  text-align: center;
}

.literacy-session-bar progress {
  width: 100%;
  height: 5px;
}

.literacy-mini-map {
  font-family: var(--font-hanja);
  font-size: 1.05rem;
  font-weight: 750;
  text-align: center;
}

.literacy-task-heading {
  padding: 34px 0 22px;
  text-align: center;
}

.literacy-task-heading .view-heading {
  font-size: clamp(1.75rem, 6vw, 3.15rem);
}

.literacy-task-stage {
  --world-color: var(--accent);
  position: relative;
  display: grid;
  place-items: center;
  min-height: 245px;
  margin-bottom: 20px;
  overflow: hidden;
  border: 4px solid var(--ink);
  background:
    linear-gradient(90deg, rgba(255,255,255,.06) 50%, transparent 50%) 0 0 / 18px 18px,
    color-mix(in srgb, var(--world-color) 78%, var(--paper-soft));
  box-shadow: 8px 8px 0 rgba(24, 35, 31, 0.14);
}

.lego-builder {
  display: grid;
  gap: 22px;
  width: min(100%, 700px);
  padding: 26px;
}

.lego-slots {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 10px;
}

.lego-slots > i {
  color: var(--ink);
  font-size: 1.35rem;
  font-style: normal;
  font-weight: 950;
}

.meaning-block.is-empty {
  border-style: dashed;
  box-shadow: none;
  color: var(--ink-soft);
}

.meaning-block.is-empty b {
  color: var(--ink-faint);
  font-family: var(--font-sans);
  font-size: 2rem;
}

.word-block.is-waiting {
  background: color-mix(in srgb, var(--ink) 82%, var(--paper-soft));
}

.word-block.is-complete {
  animation: word-stamp-in 280ms steps(3, end) both;
}

.lego-piece-bank {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 9px;
  width: min(100%, 420px);
  margin: 0 auto;
}

.lego-piece {
  display: grid;
  place-items: center;
  min-height: 84px;
  padding: 8px;
  border: 3px solid var(--ink);
  background: #fff8e8;
  box-shadow: 4px 4px 0 rgba(24, 35, 31, 0.2);
  cursor: pointer;
  transition: transform 100ms steps(2, end), box-shadow 100ms steps(2, end);
}

.lego-piece:not(:disabled):hover {
  box-shadow: 6px 6px 0 rgba(24, 35, 31, 0.25);
  transform: translate(-2px, -2px);
}

.lego-piece:disabled {
  cursor: default;
  opacity: 1;
}

.lego-piece.is-used {
  border-color: var(--success);
  background: color-mix(in srgb, var(--success) 12%, #fff8e8);
  color: var(--success);
  box-shadow: none;
}

.lego-piece.is-mistake {
  border-color: var(--danger);
  background: color-mix(in srgb, var(--danger) 10%, #fff8e8);
  animation: piece-nudge 180ms steps(3, end) both;
}

.lego-piece b {
  font-family: var(--font-hanja);
  font-size: 2rem;
  line-height: 1;
}

.lego-piece small {
  margin-top: 5px;
  font-size: 0.78rem;
  font-weight: 850;
}

.lego-builder > p {
  margin: -5px 0 0;
  color: var(--ink);
  font-size: 0.86rem;
  font-weight: 800;
  line-height: 1.55;
  text-align: center;
}

.lego-word {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 24px;
}

.meaning-block,
.word-block {
  display: grid;
  place-items: center;
  min-width: 92px;
  min-height: 104px;
  padding: 10px;
  border: 3px solid var(--ink);
  background: var(--paper-soft);
  box-shadow: var(--pixel-shadow);
  animation: pixel-block-in 300ms steps(3, end) both;
}

.meaning-block:nth-of-type(2) { animation-delay: 90ms; }

.meaning-block b {
  font-family: var(--font-hanja);
  font-size: 3rem;
  line-height: 1;
}

.meaning-block small,
.word-block small {
  margin-top: 6px;
  color: var(--ink-soft);
  font-size: 0.74rem;
  font-weight: 800;
}

.word-block {
  background: var(--ink);
  color: white;
}

.word-block b {
  font-size: 1.18rem;
}

.word-block small {
  color: rgba(255,255,255,.72);
}

.lego-word > i {
  font-size: 1.4rem;
  font-style: normal;
  font-weight: 950;
}

.text-stage {
  padding: 32px 24px;
}

.text-stage blockquote {
  position: relative;
  z-index: 1;
  width: min(100%, 670px);
  margin: 0;
  padding: clamp(22px, 5vw, 38px);
  border: 3px solid var(--ink);
  background: var(--paper-soft);
  box-shadow: var(--pixel-shadow);
}

.text-stage blockquote p {
  margin: 0;
  font-size: clamp(1rem, 3.8vw, 1.35rem);
  font-weight: 700;
  line-height: 1.85;
  letter-spacing: -0.025em;
}

.text-stage mark {
  padding: 2px 6px;
  background: var(--pixel-sun);
  color: var(--ink);
}

.pixel-bookmark {
  position: absolute;
  right: 12px;
  top: 10px;
  color: rgba(255, 255, 255, 0.6);
  font-family: var(--font-hanja);
  font-size: 5rem;
  font-weight: 900;
  line-height: 1;
}

.evidence-picker {
  display: grid;
  gap: 12px;
  margin: -3px 0 20px;
  padding: 17px 18px;
  border-left: 5px solid var(--pixel-sun);
  background: var(--paper-deep);
}

.evidence-picker > div:first-child {
  display: grid;
  gap: 3px;
}

.evidence-picker > div:first-child span {
  color: var(--accent-dark);
  font-size: 0.72rem;
  font-weight: 900;
}

.evidence-picker > div:first-child strong {
  font-size: 0.94rem;
}

.evidence-picker > div:last-child {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.evidence-chip {
  min-height: 44px;
  padding: 8px 12px;
  border: 2px solid var(--line-strong);
  background: var(--paper-soft);
  color: var(--ink);
  cursor: pointer;
  font-size: 0.86rem;
  font-weight: 800;
  text-align: left;
}

.evidence-chip:disabled {
  cursor: default;
  opacity: 1;
}

.evidence-chip.is-correct {
  border-color: var(--success);
  color: var(--success);
}

.evidence-chip.is-wrong {
  border-color: var(--danger);
  color: var(--danger);
  text-decoration: line-through;
}

.evidence-chip svg {
  width: 17px;
  margin-left: 7px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  vertical-align: middle;
}

.tutor-stage {
  grid-template-columns: 104px minmax(0, 1fr);
  place-items: center stretch;
  gap: 22px;
  padding: 28px;
}

.tutor-reading {
  grid-column: 1 / -1;
  width: 100%;
  padding: 18px 20px;
  border: 3px solid var(--ink);
  background: var(--paper-soft);
  box-shadow: var(--pixel-shadow);
}

.tutor-reading span {
  color: var(--accent-dark);
  font-size: 0.72rem;
  font-weight: 900;
}

.tutor-reading p {
  margin: 8px 0 0;
  font-size: clamp(0.94rem, 3.2vw, 1.08rem);
  font-weight: 700;
  line-height: 1.72;
}

.pixel-pupil {
  position: relative;
  display: grid;
  justify-items: center;
  width: 96px;
  padding-top: 13px;
  animation: pupil-arrive 300ms steps(3, end) both;
}

.pupil-antenna {
  position: absolute;
  left: 46px;
  top: 0;
  width: 5px;
  height: 17px;
  background: var(--ink);
}

.pupil-antenna::before {
  content: "";
  position: absolute;
  left: -4px;
  top: -7px;
  width: 13px;
  height: 13px;
  border: 3px solid var(--ink);
  background: var(--pixel-sun);
  animation: pupil-signal 900ms steps(2, end) 2;
}

.pupil-head {
  position: relative;
  width: 78px;
  height: 64px;
  border: 4px solid var(--ink);
  background: #fff8e8;
  box-shadow: 5px 5px 0 rgba(24, 35, 31, 0.24);
}

.pupil-head > i {
  position: absolute;
  left: 15px;
  top: 18px;
  width: 10px;
  height: 13px;
  background: var(--ink);
}

.pupil-head > i:nth-child(2) {
  left: auto;
  right: 15px;
}

.pupil-head > b {
  position: absolute;
  left: 26px;
  bottom: 13px;
  width: 20px;
  height: 4px;
  background: var(--ink);
}

.pupil-body {
  position: relative;
  width: 58px;
  height: 31px;
  border: 4px solid var(--ink);
  border-top: 0;
  background: var(--accent);
}

.pupil-body span {
  position: absolute;
  left: 21px;
  top: 8px;
  width: 9px;
  height: 9px;
  background: var(--pixel-sun);
}

.pixel-pupil > small {
  margin-top: 7px;
  padding: 3px 7px;
  background: var(--ink);
  color: white;
  font-size: 0.7rem;
  font-weight: 900;
}

.tutor-stage.is-corrected .pupil-head > b {
  height: 10px;
  border: 4px solid var(--success);
  border-top: 0;
  background: transparent;
}

.tutor-stage.is-retrying .pupil-head > b {
  background: var(--danger);
  transform: rotate(-8deg);
}

.pupil-bubble {
  position: relative;
  min-width: 0;
  margin: 0;
  padding: 19px 20px;
  border: 3px solid var(--ink);
  background: var(--paper-soft);
  box-shadow: var(--pixel-shadow);
}

.pupil-bubble::before {
  content: "";
  position: absolute;
  left: -13px;
  top: 30px;
  width: 20px;
  height: 20px;
  border-left: 3px solid var(--ink);
  border-bottom: 3px solid var(--ink);
  background: var(--paper-soft);
  transform: rotate(45deg);
}

.pupil-bubble span {
  color: var(--danger);
  font-size: 0.72rem;
  font-weight: 900;
}

.pupil-bubble p {
  margin: 7px 0 0;
  font-size: clamp(1rem, 3.5vw, 1.22rem);
  font-weight: 800;
  line-height: 1.6;
}

.literacy-choice-list {
  display: grid;
  gap: 9px;
  margin-top: 4px;
}

.literacy-choice {
  display: grid;
  grid-template-columns: 36px minmax(0, 1fr) 24px;
  align-items: center;
  gap: 10px;
  width: 100%;
  min-height: 62px;
  padding: 10px 13px;
  border: 2px solid var(--line-strong);
  border-radius: 4px;
  background: var(--paper-soft);
  cursor: pointer;
  text-align: left;
  transition: border-color 100ms linear, transform 100ms steps(2, end), box-shadow 100ms steps(2, end);
}

.literacy-choice:not(:disabled):hover {
  border-color: var(--ink);
  box-shadow: 3px 3px 0 rgba(24, 35, 31, 0.16);
  transform: translate(-1px, -1px);
}

.literacy-choice:disabled {
  cursor: default;
  opacity: 1;
}

.literacy-choice > span {
  display: grid;
  place-items: center;
  width: 30px;
  height: 30px;
  border: 2px solid var(--line-strong);
  background: var(--paper);
  font-size: 0.72rem;
  font-weight: 900;
}

.literacy-choice strong {
  font-size: 1rem;
  line-height: 1.5;
}

.literacy-choice > svg {
  width: 21px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
}

.literacy-choice.is-correct {
  border-color: var(--success);
  background: color-mix(in srgb, var(--success) 11%, var(--paper-soft));
  color: var(--success);
}

.literacy-choice.is-wrong {
  border-color: var(--danger);
  background: color-mix(in srgb, var(--danger) 9%, var(--paper-soft));
}

.literacy-feedback {
  margin-top: 16px;
  padding: 18px 20px;
  border-left: 5px solid var(--success);
  background: var(--paper-deep);
}

.literacy-feedback.is-wrong {
  border-left-color: var(--danger);
}

.literacy-feedback p {
  margin: 7px 0 0;
  color: var(--ink-soft);
  font-size: 0.92rem;
  line-height: 1.65;
}

.literacy-next {
  justify-self: end;
  margin-top: 18px;
}

.literacy-hint,
.literacy-gate-hint {
  margin: 14px 0 0;
  color: var(--ink-faint);
  font-size: 0.86rem;
  font-weight: 750;
  text-align: center;
}

.literacy-result {
  display: grid;
  justify-items: center;
  align-content: center;
  width: min(100% - 34px, 760px);
  min-height: 100svh;
  margin: 0 auto;
  padding: 42px 0;
  text-align: center;
}

.literacy-result .view-heading {
  margin-top: 4px;
  font-family: var(--font-hanja);
  font-size: clamp(6rem, 28vw, 11rem);
  letter-spacing: -0.1em;
}

.literacy-result .view-heading small {
  font-family: var(--font-sans);
  font-size: 1rem;
  letter-spacing: 0;
}

.literacy-result h2 {
  margin: 0;
  font-size: clamp(1.4rem, 5vw, 2.25rem);
  letter-spacing: -0.05em;
}

.literacy-result > p:not(.eyebrow) {
  color: var(--ink-soft);
}

.pixel-result-seed {
  position: relative;
  width: 100px;
  height: 100px;
  margin-bottom: 26px;
  border: 4px solid var(--ink);
  background: var(--pixel-leaf);
  box-shadow: 8px 8px 0 rgba(24,35,31,.18);
}

.pixel-result-seed i {
  position: absolute;
  left: 46px;
  bottom: 12px;
  width: 8px;
  height: 46px;
  background: var(--paper-soft);
  box-shadow: -18px -14px 0 -2px var(--pixel-sun), 18px -28px 0 -2px var(--pixel-sun);
}

.pixel-result-seed b {
  position: absolute;
  right: 8px;
  top: 5px;
  color: var(--pixel-sun);
  font-size: 1.4rem;
}

.literacy-result-path {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin: 22px 0 28px;
  font-size: 0.72rem;
  font-weight: 850;
}

.literacy-result-path i {
  width: clamp(8px, 3vw, 34px);
  height: 3px;
  background: var(--accent);
}

/* Existing code-drawn scenes adopt the same hard-edged motion language. */
.scene-stage {
  border: 4px solid var(--ink);
  background: var(--paper-soft);
  box-shadow: 7px 7px 0 rgba(24, 35, 31, 0.12);
}

.scene-svg {
  shape-rendering: crispEdges;
}

.scene-svg path,
.scene-svg circle,
.scene-svg rect {
  stroke-linecap: square;
  stroke-linejoin: miter;
}

.scene-rise,
.scene-drift,
.scene-pulse,
.scene-svg .count-dot,
.scene-svg .many-dot,
.fire-scene .flame-back,
.fire-scene .flame-front,
.water-scene .water-line,
.door-scene .scene-door-left,
.door-scene .scene-door-right {
  animation-iteration-count: 2 !important;
  animation-timing-function: steps(4, end) !important;
  animation-fill-mode: forwards !important;
}

.glyph-reveal span {
  filter: none;
  transform: scale(0.75);
  transition: opacity 160ms steps(2, end), transform 260ms steps(4, end);
}

.scene-stage.is-revealed .scene-art {
  opacity: 0.12;
  filter: none;
  transform: scale(0.96);
}

@keyframes pixel-hero-enter {
  from { opacity: 0; transform: scale(1.04); }
  to { opacity: 1; transform: scale(1); }
}

@keyframes pixel-block-in {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes word-stamp-in {
  from { opacity: 0; transform: scale(0.78); }
  to { opacity: 1; transform: scale(1); }
}

@keyframes piece-nudge {
  0%, 100% { transform: translateX(0); }
  33% { transform: translateX(-5px); }
  66% { transform: translateX(5px); }
}

@keyframes pupil-arrive {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes pupil-signal {
  0%, 100% { background: var(--pixel-sun); }
  50% { background: var(--accent); }
}

@keyframes pixel-scene-arrive {
  from { opacity: 0; transform: scale(1.025); }
  to { opacity: 1; transform: scale(1); }
}

@keyframes pixel-scene-glow {
  from { filter: brightness(0.96) saturate(0.98); }
  to { filter: brightness(1.06) saturate(1.08); }
}

@media (min-width: 700px) {
  .advanced-literacy-hero {
    grid-template-columns: 310px minmax(0, 1fr);
    align-items: center;
  }

  .literacy-callout {
    grid-template-columns: minmax(220px, .72fr) minmax(340px, 1.28fr);
    align-items: center;
  }

  .literacy-callout-actions {
    grid-column: 2;
  }

  .literacy-ladder {
    grid-template-columns: minmax(230px, .7fr) minmax(440px, 1.3fr);
    align-items: end;
  }

  .literacy-ladder ol {
    grid-template-columns: repeat(3, 1fr);
  }

  .advanced-ladder ol {
    grid-template-columns: repeat(4, 1fr);
  }

  .literacy-choice-list {
    grid-template-columns: repeat(2, 1fr);
  }

  .literacy-choice {
    min-height: 72px;
  }
}

@media (min-width: 980px) {
  .primary-nav {
    grid-template-columns: 1fr;
  }

  .pixel-home-visual {
    min-height: 520px;
  }

  .literacy-callout,
  .exam-callout {
    max-width: 1080px;
  }

  .literacy-hero {
    max-width: 1240px;
  }
}

@media (max-width: 560px) {
  .foundation-daily-start {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .foundation-daily-start dl {
    justify-content: flex-start;
  }

  .literacy-world-row {
    grid-template-columns: 34px 66px minmax(0, 1fr) 18px;
    gap: 9px;
  }

  .world-progress {
    display: none;
  }

  .world-pixel-glyphs {
    width: 58px;
    height: 58px;
    font-size: 1rem;
    line-height: 28px;
  }

  .literacy-hero {
    min-height: 570px;
  }

  .literacy-hero-copy {
    padding: 25px 20px 32px;
  }

  .literacy-hero-status {
    left: 12px;
    right: auto;
    top: 12px;
  }

  .lego-word {
    gap: 7px;
    padding: 18px 10px;
  }

  .lego-builder {
    gap: 17px;
    padding: 20px 12px;
  }

  .lego-slots {
    gap: 7px;
  }

  .lego-piece {
    min-height: 74px;
  }

  .tutor-stage {
    grid-template-columns: 78px minmax(0, 1fr);
    gap: 13px;
    padding: 18px 14px;
  }

  .pixel-pupil {
    width: 76px;
    transform-origin: center;
  }

  .pupil-head {
    width: 68px;
    height: 58px;
  }

  .pupil-head > i {
    left: 12px;
  }

  .pupil-head > i:nth-child(2) {
    right: 12px;
  }

  .pupil-head > b {
    left: 22px;
  }

  .pupil-antenna {
    left: 36px;
  }

  .pupil-bubble {
    padding: 15px 14px;
  }

  .pupil-bubble p {
    font-size: 0.98rem;
  }

  .tutor-reading {
    padding: 15px 16px;
  }

  .evidence-picker {
    padding: 15px 14px;
  }

  .meaning-block,
  .word-block {
    min-width: 78px;
    min-height: 92px;
  }

  .meaning-block b {
    font-size: 2.4rem;
  }

  .literacy-task-stage {
    min-height: 218px;
  }

  .text-stage {
    padding: 22px 14px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .literacy-hero-art,
  .meaning-block,
  .word-block {
    animation: none !important;
  }
}

@media (forced-colors: active) {
  .lego-piece,
  .meaning-block,
  .word-block,
  .evidence-picker,
  .evidence-chip,
  .tutor-reading,
  .pupil-head,
  .pupil-body,
  .pupil-bubble,
  .argument-slot,
  .argument-card,
  .argument-arranger > p,
  .literacy-choice,
  .literacy-feedback {
    border-color: CanvasText;
    background: Canvas;
    box-shadow: none;
    color: CanvasText;
  }

  .lego-piece.is-used,
  .argument-card.is-used,
  .evidence-chip.is-selected,
  .evidence-chip.is-correct,
  .literacy-choice.is-correct {
    outline: 3px solid Highlight;
  }

  .lego-piece.is-mistake,
  .evidence-chip.is-wrong,
  .literacy-choice.is-wrong {
    outline: 3px dashed CanvasText;
  }

  .pupil-head > i,
  .pupil-head > b,
  .pupil-antenna,
  .pupil-body span {
    background: CanvasText;
  }
}

/* Annual advanced literacy course — a quiet pixel-typesetting desk. */
.year-course {
  --year-signal: var(--accent);
  width: min(100%, 1080px);
  max-width: 100%;
  margin-inline: auto;
  padding-bottom: 68px;
}

.year-course > *,
.year-course-workspace > *,
.year-week-panel > *,
.year-mission-summary > * {
  min-width: 0;
}

.year-course-hero {
  display: grid;
  gap: clamp(28px, 5vw, 58px);
  align-items: end;
  padding: clamp(38px, 7vw, 82px) 0 clamp(34px, 6vw, 68px);
  border-bottom: 1px solid var(--line-strong);
}

.year-course-kicker {
  margin: 0 0 11px;
  color: var(--accent-dark);
  font-size: 0.72rem;
  font-weight: 900;
  letter-spacing: 0.12em;
}

.year-course-headline {
  max-width: 760px;
  margin: 0;
}

.year-course-headline .view-heading {
  max-width: 760px;
  margin: 0;
  font-size: clamp(2.35rem, 7vw, 5.25rem);
  font-weight: 900;
  line-height: 0.98;
  letter-spacing: -0.075em;
  text-wrap: balance;
}

.year-course-headline em {
  color: var(--accent-dark);
  font-family: var(--font-hanja);
  font-style: normal;
  font-weight: 650;
}

.year-course-hero p:not(.year-course-kicker) {
  max-width: 660px;
  margin: 18px 0 0;
  color: var(--ink-soft);
  font-weight: 650;
  line-height: 1.75;
}

.year-course-pixel-board {
  position: relative;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  width: min(100%, 376px);
  min-height: 220px;
  padding: 24px;
  overflow: hidden;
  border: 4px solid var(--ink);
  background:
    linear-gradient(90deg, rgba(24, 35, 31, 0.07) 1px, transparent 1px),
    linear-gradient(rgba(24, 35, 31, 0.07) 1px, transparent 1px),
    var(--paper-deep);
  background-size: 18px 18px;
  box-shadow: 9px 9px 0 rgba(24, 35, 31, 0.15);
  isolation: isolate;
  animation: year-board-arrive 420ms steps(4, end) both;
}

.year-course-pixel-board::before,
.year-course-pixel-board::after {
  content: "";
  position: absolute;
  z-index: -1;
  width: 54px;
  height: 18px;
  background: var(--accent);
}

.year-course-pixel-board::before {
  top: 0;
  left: 0;
  box-shadow: 0 18px 0 var(--accent), 18px 36px 0 var(--accent);
}

.year-course-pixel-board::after {
  right: 0;
  bottom: 0;
  background: var(--ink);
  box-shadow: 0 -18px 0 var(--ink), -18px -36px 0 var(--ink);
}

.year-course-pixel-board > small {
  position: absolute;
  z-index: 2;
  right: 0;
  bottom: 0;
  padding: 6px 9px;
  background: var(--ink);
  color: white;
  font-size: 0.7rem;
  font-variant-numeric: tabular-nums;
  font-weight: 900;
}

.year-course-glyph {
  position: relative;
  display: grid;
  place-items: center;
  min-width: 0;
  min-height: 78px;
  border: 3px solid var(--ink);
  background: var(--paper-soft);
  color: var(--ink);
  font-family: var(--font-hanja);
  font-size: clamp(2.15rem, 6vw, 3.5rem);
  font-weight: 650;
  line-height: 1;
  box-shadow: 4px 4px 0 rgba(24, 35, 31, 0.2);
  animation: year-glyph-stamp 300ms steps(3, end) both;
}

.year-course-glyph:nth-child(2) { animation-delay: 70ms; }
.year-course-glyph:nth-child(3) { animation-delay: 140ms; }
.year-course-glyph:nth-child(4) { animation-delay: 210ms; }

.year-course-summary {
  display: grid;
  grid-template-columns: minmax(150px, auto) minmax(160px, 1fr) auto;
  grid-column: 1 / -1;
  align-items: center;
  margin: 0;
  padding: 0;
  border-block: 1px solid var(--line-strong);
}

.year-course-summary > div {
  display: grid;
  align-content: center;
  gap: 5px;
  min-height: 82px;
  margin: 0;
  padding: 13px 18px;
  border-right: 1px solid var(--line);
}

.year-course-summary > progress {
  width: calc(100% - 36px);
  margin-inline: 18px;
}

.year-course-summary > p {
  align-self: stretch;
  display: flex;
  align-items: center;
  max-width: none !important;
  margin: 0 !important;
  padding: 13px 18px;
  border-left: 1px solid var(--line);
  color: var(--ink-soft);
  font-size: 0.72rem;
  font-weight: 750;
  line-height: 1.5;
}

.year-course-hero .year-course-summary > p {
  max-width: none;
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.72rem;
  font-weight: 750;
  line-height: 1.5;
}

.year-course-summary dt,
.year-course-summary small,
.year-course-summary span {
  color: var(--ink-faint);
  font-size: 0.7rem;
  font-weight: 800;
}

.year-course-summary dd,
.year-course-summary strong {
  margin: 0;
  font-size: clamp(1.15rem, 3vw, 1.6rem);
  font-weight: 900;
  letter-spacing: -0.035em;
}

.year-course-progress:not(progress) {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 8px 16px;
  margin-top: 22px;
}

.year-course-progress:not(progress) > span,
.year-course-progress:not(progress) > strong {
  font-size: 0.76rem;
  font-weight: 850;
}

.year-course-progress:not(progress) > span {
  color: var(--ink-soft);
}

.year-course-progress:not(progress) progress {
  grid-column: 1 / -1;
}

progress.year-course-progress,
.year-course-progress progress {
  width: 100%;
  height: 8px;
  overflow: hidden;
  border: 0;
  border-radius: 0;
  background: var(--paper-deep);
  accent-color: var(--accent);
}

progress.year-course-progress::-webkit-progress-bar,
.year-course-progress progress::-webkit-progress-bar {
  background: var(--paper-deep);
}

progress.year-course-progress::-webkit-progress-value,
.year-course-progress progress::-webkit-progress-value {
  background: var(--accent);
}

progress.year-course-progress::-moz-progress-bar,
.year-course-progress progress::-moz-progress-bar {
  background: var(--accent);
}

.year-course-continue,
.year-module-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  min-height: 50px;
  padding: 0 19px;
  border: 2px solid var(--ink);
  background: var(--ink);
  box-shadow: 4px 4px 0 rgba(24, 35, 31, 0.22);
  color: white;
  font-size: 0.86rem;
  font-weight: 900;
  text-align: center;
  transition: transform 120ms steps(2, end), box-shadow 120ms steps(2, end);
}

.year-course-continue {
  grid-column: 1 / -1;
  justify-self: start;
  margin-top: 22px;
}

.year-course-continue > span {
  display: grid;
  gap: 2px;
  text-align: left;
}

.year-course-continue small {
  color: rgba(255, 255, 255, 0.72);
  font-size: 0.65rem;
  font-weight: 750;
}

.year-course-continue strong {
  font-size: 0.86rem;
}

.year-course-continue:hover,
.year-module-link:hover {
  box-shadow: 2px 2px 0 rgba(24, 35, 31, 0.22);
  transform: translate(2px, 2px);
}

.year-season-nav {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin: 38px 0 0;
  border-block: 1px solid var(--line-strong);
}

.year-season-tab {
  position: relative;
  display: grid;
  align-content: center;
  gap: 4px;
  min-width: 0;
  min-height: 72px;
  padding: 11px 14px 13px;
  border: 0;
  border-right: 1px solid var(--line);
  background: transparent;
  color: var(--ink-soft);
  cursor: pointer;
  text-align: left;
}

.year-season-tab:last-child {
  border-right: 0;
}

.year-season-tab::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: -1px;
  left: 0;
  height: 4px;
  background: transparent;
}

.year-season-tab:hover {
  background: color-mix(in srgb, var(--accent) 7%, transparent);
  color: var(--ink);
}

.year-season-tab.is-selected {
  background: color-mix(in srgb, var(--accent) 10%, transparent);
  color: var(--ink);
}

.year-season-tab.is-selected::after {
  background: var(--accent);
}

.year-season-tab strong {
  font-size: 0.88rem;
  letter-spacing: -0.025em;
}

.year-season-tab small {
  color: inherit;
  font-size: 0.68rem;
  font-weight: 750;
}

.year-course-workspace {
  display: grid;
  grid-template-columns: minmax(210px, 0.58fr) minmax(0, 1.42fr);
  gap: clamp(26px, 4vw, 52px);
  align-items: start;
  padding: clamp(32px, 5vw, 58px) 0;
  border-bottom: 1px solid var(--line-strong);
}

.year-week-index-wrap {
  min-width: 0;
  margin: 0;
  padding: 0;
  border-top: 3px solid var(--ink);
}

.year-week-index-wrap > .section-heading-row {
  padding: 18px 5px 17px;
  border-bottom: 1px solid var(--line-strong);
}

.year-week-index-wrap > .section-heading-row h2 {
  margin: 4px 0 0;
  font-size: 1.25rem;
  letter-spacing: -0.045em;
}

.year-week-index {
  display: grid;
  margin: 0;
  padding: 0;
  list-style: none;
}

.year-week-index > li {
  min-width: 0;
  margin: 0;
  padding: 0;
  list-style: none;
}

.year-week-link {
  position: relative;
  display: grid;
  grid-template-columns: 38px minmax(0, 1fr) auto;
  align-items: center;
  gap: 9px;
  min-height: 62px;
  padding: 8px 6px;
  border-bottom: 1px solid var(--line-strong);
  color: var(--ink-soft);
  transition: background 120ms steps(2, end), padding 120ms steps(2, end);
}

.year-week-link:hover {
  padding-inline: 10px 2px;
  background: rgba(24, 35, 31, 0.045);
  color: var(--ink);
}

.year-week-link.is-current {
  padding-left: 11px;
  background: color-mix(in srgb, var(--accent) 11%, transparent);
  color: var(--ink);
}

.year-week-link.is-current::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 5px;
  background: var(--accent);
}

.year-week-link.is-complete .year-week-number,
.year-week-link.is-complete .year-week-status {
  color: var(--success);
}

.year-week-link.is-locked {
  color: var(--ink-faint);
  cursor: not-allowed;
  opacity: 0.62;
}

.year-week-number {
  color: var(--accent-dark);
  font-size: 0.72rem;
  font-variant-numeric: tabular-nums;
  font-weight: 950;
}

.year-week-link > span:nth-child(2) {
  display: grid;
  gap: 3px;
}

.year-week-link > span:nth-child(2) strong {
  overflow-wrap: anywhere;
  font-size: 0.86rem;
  letter-spacing: -0.025em;
  line-height: 1.35;
}

.year-week-link > span:nth-child(2) small {
  overflow: hidden;
  color: var(--ink-faint);
  font-size: 0.65rem;
  font-weight: 750;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.year-week-status {
  color: var(--ink-faint);
  font-size: 0.66rem;
  font-weight: 800;
  text-align: right;
  white-space: nowrap;
}

.year-week-panel {
  border-top: 3px solid var(--ink);
}

.year-week-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 22px;
  align-items: end;
  padding: 26px 0 29px;
  border-bottom: 1px solid var(--line-strong);
}

.year-week-hero > div:first-child {
  min-width: 0;
}

.year-week-detail .year-week-hero > div:first-child {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 9px 18px;
}

.year-week-detail .year-week-hero > div:first-child > .year-course-kicker {
  grid-column: 1;
  margin: 0;
}

.year-week-detail .year-week-hero > div:first-child > .quiet-link {
  grid-column: 2;
  grid-row: 1;
  justify-self: end;
}

.year-week-detail .year-week-hero > div:first-child > h1,
.year-week-detail .year-week-hero > div:first-child > p:not(.year-course-kicker) {
  grid-column: 1 / -1;
}

.year-week-hero > .eyebrow,
.year-week-hero > .year-course-kicker {
  grid-column: 1;
  margin: 0;
}

.year-week-hero > .quiet-link {
  grid-column: 2;
  grid-row: 1;
  justify-self: end;
}

.year-week-hero h1,
.year-week-hero h2 {
  grid-column: 1;
  max-width: 720px;
  margin: 7px 0 0;
  font-size: clamp(1.8rem, 5vw, 3.45rem);
  line-height: 1.08;
  letter-spacing: -0.06em;
  text-wrap: balance;
}

.year-week-hero p {
  grid-column: 1;
  max-width: 660px;
  margin: 13px 0 0;
  color: var(--ink-soft);
  font-size: 0.9rem;
  font-weight: 650;
  line-height: 1.65;
}

.year-week-hero > .eyebrow,
.year-week-hero > .year-course-kicker {
  color: var(--accent-dark);
  font-size: 0.7rem;
  font-weight: 900;
  letter-spacing: 0.1em;
  line-height: 1.4;
}

.year-week-glyphs {
  grid-column: 2;
  grid-row: 1;
  align-self: center;
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 7px;
  max-width: 190px;
}

.year-week-glyph {
  display: grid;
  place-items: center;
  width: 54px;
  height: 54px;
  border: 3px solid var(--ink);
  background: var(--paper-soft);
  font-family: var(--font-hanja);
  font-size: 1.72rem;
  font-weight: 650;
  box-shadow: 3px 3px 0 rgba(24, 35, 31, 0.18);
}

.year-week-glyph:first-child {
  background: var(--accent);
  color: var(--paper-soft);
}

.year-week-meta {
  grid-column: 1 / -1;
  margin: 0;
  padding: 13px 0;
  border-bottom: 1px solid var(--line);
  color: var(--ink-soft);
  font-size: 0.73rem;
  font-weight: 800;
}

.year-week-hero > .year-week-meta {
  grid-column: 1 / -1;
}

dl.year-week-meta {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  padding: 0;
}

dl.year-week-meta > div {
  display: grid;
  gap: 4px;
  padding: 12px 14px;
  border-right: 1px solid var(--line);
}

dl.year-week-meta > div:last-child {
  border-right: 0;
}

dl.year-week-meta dt {
  font-size: 0.67rem;
}

dl.year-week-meta dd {
  margin: 0;
  color: var(--ink);
  font-size: 0.91rem;
  font-weight: 900;
}

.year-week-meta:not(dl) {
  display: grid;
  grid-template-columns: auto minmax(120px, 1fr) auto;
  align-items: center;
  gap: 12px;
}

.year-week-meta:not(dl) progress {
  width: 100%;
  height: 7px;
}

.year-week-panel > .primary-button {
  margin-top: 22px;
}

.year-week-meta strong {
  color: var(--ink);
}

.year-mission-list {
  display: grid;
  margin: 0;
  padding: 0;
  list-style: none;
}

.year-mission-list > li {
  min-width: 0;
  list-style: none;
}

.year-mission {
  border-bottom: 1px solid var(--line-strong);
}

.year-mission[open] {
  background: color-mix(in srgb, var(--paper-soft) 52%, transparent);
}

.year-mission-summary {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr) auto;
  align-items: center;
  gap: 13px;
  min-height: 82px;
  padding: 12px 4px;
  cursor: pointer;
  list-style: none;
}

.year-mission-summary::-webkit-details-marker {
  display: none;
}

.year-mission-summary::after {
  content: "+";
  grid-column: 3;
  grid-row: 1;
  justify-self: end;
  color: var(--ink-faint);
  font-size: 1.3rem;
  font-weight: 500;
}

.year-mission[open] > .year-mission-summary::after {
  content: "−";
  color: var(--accent-dark);
}

.year-mission-index {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border: 2px solid var(--ink);
  background: var(--paper-soft);
  color: var(--accent-dark);
  font-size: 0.72rem;
  font-variant-numeric: tabular-nums;
  font-weight: 950;
  box-shadow: 2px 2px 0 rgba(24, 35, 31, 0.18);
}

.year-mission-identity {
  display: grid;
  gap: 4px;
  padding-right: 28px;
}

.year-mission-identity small {
  color: var(--accent-dark);
  font-size: 0.67rem;
  font-weight: 900;
}

.year-mission-identity strong {
  overflow-wrap: anywhere;
  font-size: 0.94rem;
  line-height: 1.45;
}

.year-mission-status {
  grid-column: 3;
  grid-row: 1;
  margin-right: 30px;
  color: var(--ink-faint);
  font-size: 0.68rem;
  font-weight: 850;
  white-space: nowrap;
}

.year-mission-status.is-complete {
  color: var(--success);
}

.year-mission-status.is-correct {
  color: var(--success);
}

.year-mission-status.is-wrong {
  color: var(--danger);
}

.year-mission-status.is-recorded {
  color: var(--ink-soft);
}

.year-mission-status.is-progress {
  color: var(--accent-dark);
}

.year-mission.result-correct > .year-mission-summary .year-mission-index {
  border-color: var(--success);
}

.year-mission.result-wrong > .year-mission-summary .year-mission-index {
  border-color: var(--danger);
}

.year-mission-body {
  display: grid;
  gap: 18px;
  padding: 2px 4px 32px 57px;
}

.year-mission-body > p {
  max-width: 720px;
  margin: 0;
  color: var(--ink-soft);
  line-height: 1.7;
}

.year-mission-body > h3,
.year-mission-body > h4 {
  margin: 0;
  font-size: 1.03rem;
  letter-spacing: -0.035em;
}

.year-passage {
  margin: 0;
  padding: 19px 20px;
  border-left: 5px solid var(--ink);
  background: var(--paper-deep);
  color: var(--ink);
  font-size: 0.93rem;
  font-style: normal;
  line-height: 1.8;
  overflow-wrap: anywhere;
}

.year-passage > span {
  display: block;
  margin-bottom: 8px;
  color: var(--accent-dark);
  font-size: 0.67rem;
  font-weight: 900;
  letter-spacing: 0.08em;
}

.year-passage > p {
  margin: 0;
}

.year-choice-list {
  display: grid;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.year-choice-list > li {
  min-width: 0;
  list-style: none;
}

.year-choice {
  position: relative;
  display: flex;
  align-items: center;
  width: 100%;
  min-height: 52px;
  padding: 12px 14px;
  border: 2px solid var(--line-strong);
  background: rgba(250, 248, 242, 0.72);
  color: var(--ink);
  cursor: pointer;
  font-size: 0.88rem;
  font-weight: 750;
  line-height: 1.55;
  overflow-wrap: anywhere;
  text-align: left;
  transition: border-color 100ms linear, background 100ms linear, transform 100ms steps(2, end);
}

.year-choice > span:first-child {
  flex: 0 0 auto;
  display: grid;
  place-items: center;
  width: 28px;
  height: 28px;
  margin-right: 11px;
  border: 1px solid var(--line-strong);
  color: var(--accent-dark);
  font-size: 0.68rem;
  font-variant-numeric: tabular-nums;
  font-weight: 900;
}

.year-choice > strong {
  min-width: 0;
  font-size: inherit;
  font-weight: inherit;
}

.year-choice > svg {
  flex: 0 0 auto;
  width: 20px;
  margin-left: auto;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
}

.year-choice:hover:not(:disabled) {
  border-color: var(--ink);
  background: var(--paper-soft);
  transform: translateX(3px);
}

.year-choice:disabled {
  cursor: default;
}

.year-choice.is-selected {
  border-left: 6px solid var(--accent);
  background: color-mix(in srgb, var(--accent) 9%, var(--paper-soft));
}

.year-choice.is-correct {
  border-color: var(--success);
  border-left-width: 6px;
  background: color-mix(in srgb, var(--success) 10%, var(--paper-soft));
}

.year-choice.is-wrong {
  border-color: var(--danger);
  border-style: dashed;
  background: color-mix(in srgb, var(--danger) 7%, var(--paper-soft));
}

.year-choice.is-decision-selected {
  border-color: var(--pixel-water);
  border-left-width: 6px;
  background: color-mix(in srgb, var(--pixel-water) 9%, var(--paper-soft));
}

.year-choice-recorded {
  flex: 0 0 auto;
  margin-left: auto;
  color: var(--ink-soft);
  font-size: 0.7rem;
  font-weight: 900;
  white-space: nowrap;
}

.year-feedback,
.year-decision-note {
  margin: 0;
  padding: 14px 16px;
  border-left: 5px solid var(--accent);
  background: color-mix(in srgb, var(--accent) 8%, var(--paper-soft));
  color: var(--ink);
  font-size: 0.82rem;
  font-weight: 700;
  line-height: 1.65;
  overflow-wrap: anywhere;
}

.year-feedback.is-correct {
  border-left-color: var(--success);
  background: color-mix(in srgb, var(--success) 8%, var(--paper-soft));
}

.year-feedback.is-wrong {
  border-left-color: var(--danger);
  background: color-mix(in srgb, var(--danger) 7%, var(--paper-soft));
}

.year-feedback.is-retry {
  border-left-color: var(--danger);
  background: color-mix(in srgb, var(--danger) 7%, var(--paper-soft));
}

.year-feedback.is-decision {
  border-left-color: var(--pixel-water);
  background: color-mix(in srgb, var(--pixel-water) 8%, var(--paper-soft));
}

.year-feedback strong,
.year-feedback p {
  margin: 0;
}

.year-feedback p {
  margin-top: 5px;
}

.year-feedback:focus {
  outline: 3px solid currentColor;
  outline-offset: 3px;
}

.year-decision-note {
  border-left-color: var(--pixel-water);
  background: color-mix(in srgb, var(--pixel-water) 8%, var(--paper-soft));
}

.year-author-field {
  display: grid;
  gap: 8px;
}

.year-author-scaffold {
  padding: 14px 16px;
  border-left: 5px solid var(--pixel-leaf);
  background: color-mix(in srgb, var(--pixel-leaf) 8%, var(--paper-soft));
  color: var(--ink-soft);
  font-size: 0.8rem;
  line-height: 1.65;
}

.year-author-scaffold strong {
  color: var(--ink);
}

.year-author-scaffold p {
  margin: 5px 0 0;
}

.year-author-field label,
.year-author-field > span {
  font-size: 0.76rem;
  font-weight: 850;
}

.year-author-field textarea,
textarea.year-author-field {
  width: 100%;
  min-height: 176px;
  max-width: 100%;
  padding: 15px 16px;
  resize: vertical;
  border: 2px solid var(--line-strong);
  border-radius: 0;
  background: var(--paper-soft);
  color: var(--ink);
  font: inherit;
  font-size: 1rem;
  line-height: 1.7;
}

.year-author-field textarea:focus,
textarea.year-author-field:focus {
  border-color: var(--ink);
  outline: 3px solid var(--accent-soft);
  outline-offset: 2px;
}

.year-author-checklist {
  display: grid;
  gap: 9px;
  margin: 0;
  padding: 14px 16px;
  border: 0;
  border-block: 1px solid var(--line);
  color: var(--ink-soft);
  font-size: 0.78rem;
  font-weight: 700;
  line-height: 1.55;
}

.year-author-checklist legend {
  padding: 0 6px;
  color: var(--ink);
  font-size: 0.75rem;
  font-weight: 900;
}

.year-author-checklist label {
  display: grid;
  grid-template-columns: 24px minmax(0, 1fr);
  gap: 9px;
  align-items: start;
  min-height: 38px;
  cursor: pointer;
}

.year-author-checklist input {
  width: 20px;
  height: 20px;
  margin: 1px 0 0;
  accent-color: var(--accent-dark);
}

.year-author-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 16px;
}

.year-author-actions button,
.year-author-actions a {
  min-height: 50px;
}

.year-author-actions small,
.year-author-actions > span {
  color: var(--ink-faint);
  font-size: 0.7rem;
  font-weight: 800;
}

.year-week-nav {
  display: flex;
  flex-wrap: wrap;
  align-items: stretch;
  justify-content: space-between;
  gap: 10px;
  padding: 27px 0 3px;
}

.year-week-nav a,
.year-week-nav button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  padding: 0 15px;
  border: 1px solid var(--line-strong);
  background: transparent;
  cursor: pointer;
  font-size: 0.78rem;
  font-weight: 850;
  text-align: center;
}

.year-week-nav-lock {
  align-self: center;
  max-width: 330px;
  color: var(--ink-faint);
  font-size: 0.74rem;
  font-weight: 800;
  line-height: 1.5;
  text-align: right;
}

.year-week-nav a:hover,
.year-week-nav button:hover {
  border-color: var(--ink);
  background: var(--paper-soft);
}

.year-locked-panel {
  display: grid;
  justify-items: start;
  gap: 9px;
  width: min(100%, 1080px);
  max-width: 100%;
  margin: 44px auto 70px;
  padding: clamp(24px, 5vw, 44px) 0;
  border-block: 3px solid var(--ink);
}

.year-locked-panel::before {
  content: "LOCK";
  padding: 5px 8px;
  background: var(--ink);
  color: white;
  font-size: 0.64rem;
  font-weight: 950;
  letter-spacing: 0.13em;
}

.year-locked-panel h2,
.year-locked-panel h3 {
  margin: 0;
  font-size: clamp(1.45rem, 4vw, 2.15rem);
  letter-spacing: -0.05em;
}

.year-locked-panel p {
  max-width: 610px;
  margin: 0;
  color: var(--ink-soft);
  line-height: 1.7;
}

.year-locked-panel > div {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 18px;
  margin-top: 12px;
}

.year-course-note {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 22px;
  align-items: center;
  margin-top: 34px;
  padding: 23px 0 0 20px;
  border-top: 1px solid var(--line-strong);
  border-left: 5px solid var(--accent);
}

.year-course-note h2,
.year-course-note h3,
.year-course-note p {
  margin: 0;
}

.year-course-note small {
  display: block;
  margin-top: 7px;
  color: var(--ink-faint);
  font-size: 0.7rem;
  font-weight: 700;
  line-height: 1.5;
}

.year-course-note h2,
.year-course-note h3 {
  font-size: 1.08rem;
  letter-spacing: -0.035em;
}

.year-course-note p {
  margin-top: 6px;
  color: var(--ink-soft);
  font-size: 0.82rem;
  line-height: 1.65;
}

.year-module-link {
  background: transparent;
  box-shadow: none;
  color: var(--ink);
}

.year-module-link:hover {
  background: var(--paper-soft);
  box-shadow: 2px 2px 0 rgba(24, 35, 31, 0.18);
}

@keyframes year-board-arrive {
  from { opacity: 0; transform: translateY(14px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes year-glyph-stamp {
  from { opacity: 0; transform: scale(0.82); }
  to { opacity: 1; transform: scale(1); }
}

@media (min-width: 800px) {
  .year-course-hero {
    grid-template-columns: minmax(0, 1.45fr) minmax(290px, 0.72fr);
  }

  .year-course-pixel-board {
    justify-self: end;
  }
}

@media (max-width: 699px) {
  .year-course {
    padding-bottom: 46px;
  }

  .year-course-hero {
    padding-top: 32px;
  }

  .year-course-pixel-board {
    width: min(100%, 420px);
    min-height: 180px;
  }

  .year-course-summary {
    grid-template-columns: minmax(0, 1fr);
  }

  .year-course-summary > div {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    min-height: 62px;
    padding-inline: 12px;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .year-course-summary > progress {
    width: calc(100% - 24px);
    margin: 15px 12px;
  }

  .year-course-summary > p {
    min-height: 48px;
    padding: 10px 12px;
    border-top: 1px solid var(--line);
    border-left: 0;
  }

  .year-course-summary dd,
  .year-course-summary strong {
    font-size: 1.08rem;
  }

  .year-season-nav {
    margin-top: 28px;
  }

  .year-season-tab {
    min-height: 74px;
    padding-inline: 8px;
    text-align: center;
  }

  .year-course-workspace {
    grid-template-columns: minmax(0, 1fr);
    gap: 32px;
    padding-top: 30px;
  }

  .year-week-index-wrap {
    width: 100%;
    max-width: 100%;
    overflow: hidden;
    border-top: 3px solid var(--ink);
  }

  .year-week-index {
    grid-auto-flow: column;
    grid-auto-columns: minmax(126px, 40vw);
    gap: 8px;
    width: 100%;
    max-width: 100%;
    padding: 3px 2px 12px;
    overflow-x: auto;
    overscroll-behavior-inline: contain;
    border-top: 0;
    scroll-padding-inline: 2px;
    scroll-snap-type: inline proximity;
    scrollbar-width: thin;
  }

  .year-week-index > li {
    display: flex;
    scroll-snap-align: start;
  }

  .year-week-link {
    grid-template-columns: 1fr;
    align-content: space-between;
    align-items: start;
    gap: 5px;
    width: 100%;
    min-height: 98px;
    padding: 12px;
    border: 1px solid var(--line-strong);
    background: color-mix(in srgb, var(--paper-soft) 68%, transparent);
  }

  .year-week-link:hover {
    padding: 12px;
    transform: none;
  }

  .year-week-link.is-current {
    padding: 12px 12px 12px 16px;
  }

  .year-week-status {
    text-align: left;
  }

  .year-week-hero {
    grid-template-columns: minmax(0, 1fr);
    align-items: start;
  }

  .year-week-hero > .year-week-glyphs,
  .year-week-hero > .year-week-meta {
    grid-column: 1;
    grid-row: auto;
  }

  .year-week-hero > .quiet-link {
    justify-self: start;
  }

  .year-week-glyphs {
    justify-content: flex-start;
    max-width: 100%;
  }

  .year-week-meta:not(dl) {
    grid-template-columns: minmax(0, 1fr);
    gap: 8px;
  }

  .year-mission-summary {
    grid-template-columns: 42px minmax(0, 1fr) auto;
    gap: 10px;
    min-height: 86px;
  }

  .year-mission-status {
    margin-right: 26px;
  }

  .year-mission-body {
    padding: 0 2px 28px;
  }

  .year-passage {
    padding: 16px;
  }

  .year-course-note {
    grid-template-columns: minmax(0, 1fr);
    align-items: start;
  }

  .year-module-link {
    justify-self: stretch;
  }
}

@media (max-width: 430px) {
  .year-course-headline .view-heading {
    font-size: clamp(2.15rem, 13vw, 3.25rem);
  }

  .year-course-pixel-board {
    min-height: 160px;
    padding: 17px;
  }

  .year-course-glyph {
    min-height: 64px;
    font-size: 2.25rem;
  }

  .year-course-summary dd,
  .year-course-summary strong {
    text-align: right;
  }

  .year-season-tab small {
    display: none;
  }

  .year-season-tab strong {
    line-height: 1.35;
  }

  .year-week-glyph {
    width: 48px;
    height: 48px;
    font-size: 1.45rem;
  }

  .year-week-detail .year-week-hero > div:first-child {
    grid-template-columns: minmax(0, 1fr);
  }

  .year-week-detail .year-week-hero > div:first-child > .year-course-kicker,
  .year-week-detail .year-week-hero > div:first-child > .quiet-link,
  .year-week-detail .year-week-hero > div:first-child > h1,
  .year-week-detail .year-week-hero > div:first-child > p:not(.year-course-kicker) {
    grid-column: 1;
    grid-row: auto;
    justify-self: start;
  }

  .year-mission-summary {
    grid-template-columns: 38px minmax(0, 1fr);
    padding-block: 11px;
  }

  .year-mission-summary::after {
    grid-column: 2;
    grid-row: 2;
    justify-self: end;
    align-self: end;
  }

  .year-mission-index {
    width: 36px;
    height: 36px;
  }

  .year-mission-identity {
    padding-right: 0;
  }

  .year-mission-status {
    grid-column: 2;
    grid-row: 2;
    justify-self: start;
    margin: 3px 28px 0 0;
  }

  .year-author-actions > button,
  .year-author-actions > a,
  .year-week-nav > a,
  .year-week-nav > button {
    width: 100%;
  }

  .year-locked-panel > div,
  .year-locked-panel > div > a,
  .year-locked-panel > div > button {
    width: 100%;
  }

  .year-week-nav-lock {
    max-width: none;
    text-align: left;
  }
}

@media (prefers-reduced-motion: reduce) {
  .year-course-pixel-board,
  .year-course-glyph {
    animation: none !important;
  }

  .year-course-continue,
  .year-module-link,
  .year-week-link,
  .year-choice {
    transition: none !important;
  }
}

@media (forced-colors: active) {
  .year-course-pixel-board,
  .year-course-glyph,
  .year-week-glyph,
  .year-week-index-wrap,
  .year-season-tab,
  .year-week-link,
  .year-week-panel,
  .year-mission-index,
  .year-passage,
  .year-choice,
  .year-feedback,
  .year-decision-note,
  .year-author-scaffold,
  .year-author-field textarea,
  textarea.year-author-field,
  .year-locked-panel,
  .year-course-note,
  .year-module-link {
    border-color: CanvasText;
    background: Canvas;
    box-shadow: none;
    color: CanvasText;
  }

  .year-course-pixel-board::before,
  .year-course-pixel-board::after {
    display: none;
  }

  .year-season-tab.is-selected,
  .year-week-link.is-current,
  .year-choice.is-selected,
  .year-choice.is-correct,
  .year-choice.is-decision-selected {
    outline: 3px solid Highlight;
    outline-offset: -3px;
  }

  .year-choice.is-wrong {
    outline: 3px dashed CanvasText;
    outline-offset: -3px;
  }

  .year-course-continue,
  .year-locked-panel::before {
    background: ButtonFace;
    color: ButtonText;
    forced-color-adjust: none;
  }
}

@media (max-width: 699px) {
  .account-settings-heading { align-items: stretch; }
  .account-auth-form { grid-template-columns: minmax(0, 1fr); }
  .account-auth-form > .primary-button { grid-column: 1; width: 100%; }
  .account-sign-out { width: 100%; }
}

@media (forced-colors: active) {
  .account-settings,
  .account-mode,
  .account-auth-form input {
    border-color: CanvasText;
    background: Canvas;
    color: CanvasText;
  }

  .account-mode button[aria-pressed="true"] {
    outline: 3px solid Highlight;
    outline-offset: -3px;
    background: ButtonFace;
    color: ButtonText;
  }
}

.idiom-content-audit {
  display: grid;
  gap: 18px;
  margin-top: 42px;
  padding: 28px 0 120px;
  border-top: 3px solid var(--ink);
}

.idiom-content-audit > header {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 24px;
}

.idiom-content-audit > header > div:first-child {
  display: grid;
  max-width: 760px;
  gap: 7px;
}

.idiom-content-audit > header h2 { font-size: clamp(1.65rem, 4vw, 2.45rem); }
.idiom-content-audit > header p:not(.eyebrow) { color: var(--ink-soft); }

.idiom-content-audit > header > div:last-child {
  display: flex;
  flex: 0 0 auto;
  gap: 10px;
}

.idiom-content-audit-filters {
  display: grid;
  grid-template-columns: minmax(240px, 1fr) minmax(180px, 0.35fr);
  gap: 12px;
}

.idiom-content-audit-filters label {
  display: grid;
  gap: 6px;
  font-size: 0.72rem;
  font-weight: 850;
}

.idiom-content-audit-filters input,
.idiom-content-audit-filters select {
  width: 100%;
  min-width: 0;
  min-height: 48px;
  padding: 9px 12px;
  border: 2px solid var(--ink);
  border-radius: 0;
  background: var(--paper);
  color: var(--ink);
  font: inherit;
}

.idiom-content-audit-count,
.idiom-content-audit-state {
  color: var(--ink-soft);
  font-size: 0.76rem;
  font-weight: 780;
}

.idiom-content-audit-state.is-error { color: var(--accent-dark); }

.idiom-content-audit-table {
  max-width: 100%;
  overflow: auto;
  border: 2px solid var(--ink);
  background: color-mix(in srgb, var(--paper) 94%, white);
}

.idiom-content-audit-table table {
  width: 100%;
  min-width: 1180px;
  border-collapse: collapse;
  table-layout: fixed;
  font-size: 0.7rem;
}

.idiom-content-audit-table th,
.idiom-content-audit-table td {
  padding: 11px 12px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  vertical-align: top;
  text-align: left;
  overflow-wrap: anywhere;
}

.idiom-content-audit-table th {
  position: sticky;
  top: 0;
  z-index: 1;
  background: var(--ink);
  color: var(--paper);
  font-weight: 900;
}

.idiom-content-audit-table th:nth-child(1) { width: 150px; }
.idiom-content-audit-table th:nth-child(2) { width: 120px; }
.idiom-content-audit-table th:nth-child(3) { width: 145px; }
.idiom-content-audit-table th:nth-child(4) { width: 210px; }
.idiom-content-audit-table th:nth-child(7) { width: 120px; }

.idiom-content-audit-table td > strong,
.idiom-content-audit-table td > small,
.idiom-content-audit-table td > code {
  display: block;
}

.idiom-content-audit-table td > small { margin-top: 3px; color: var(--ink-soft); }
.idiom-content-audit-table td > code { margin-top: 5px; color: var(--accent-dark); font-size: 0.62rem; }

.idiom-content-audit-value summary {
  min-height: 32px;
  cursor: pointer;
  font-weight: 780;
}

.idiom-content-audit-value pre {
  margin-top: 8px;
  padding: 10px;
  border-left: 3px solid var(--accent);
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  font: inherit;
}

.idiom-content-audit-more { justify-self: start; }

@media (max-width: 699px) {
  .idiom-content-audit > header { align-items: stretch; flex-direction: column; }
  .idiom-content-audit > header > div:last-child { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .idiom-content-audit > header .secondary-button { width: 100%; min-width: 0; }
  .idiom-content-audit-filters { grid-template-columns: minmax(0, 1fr); }
  .idiom-content-audit-table { width: 100%; }
  .idiom-content-audit-more { width: 100%; }
}

@media (forced-colors: active) {
  .idiom-content-audit,
  .idiom-content-audit-table,
  .idiom-content-audit-filters input,
  .idiom-content-audit-filters select,
  .idiom-content-audit-value pre {
    border-color: CanvasText;
    background: Canvas;
    color: CanvasText;
  }

  .idiom-content-audit-table th {
    background: ButtonFace;
    color: ButtonText;
    forced-color-adjust: none;
  }
}

/* 임시 운영 테마: 최종 디자인 전에는 장식보다 구조와 편집성을 우선한다. */
:root {
  --paper: #ffffff;
  --paper-soft: #ffffff;
  --paper-deep: #e5e5e5;
  --ink: #111111;
  --ink-soft: #555555;
  --ink-faint: #707070;
  --line: rgba(0, 0, 0, 0.16);
  --line-strong: rgba(0, 0, 0, 0.38);
  --accent: #111111;
  --accent-dark: #000000;
  --accent-soft: #dddddd;
  --success: #111111;
  --danger: #111111;
  --shadow-soft: none;
  --radius-small: 2px;
  --radius-medium: 4px;
  --pixel-sun: #b8b8b8;
  --pixel-water: #9b9b9b;
  --pixel-leaf: #6f6f6f;
  --pixel-soil: #7c7c7c;
  --pixel-night: #111111;
  --pixel-violet: #555555;
  --pixel-shadow: none;
}

html,
body {
  background: #ffffff;
}

body {
  background-image: none;
}

.topbar {
  background: #ffffff;
  backdrop-filter: none;
}

.app-shell *,
.app-shell *::before,
.app-shell *::after {
  box-shadow: none !important;
  text-shadow: none !important;
}

.app-shell :where(button, input, textarea, select, .primary-button, .secondary-button, .primary-nav, .nav-item) {
  border-radius: 2px;
}

.primary-nav {
  border-color: #111111;
  background: #111111;
  backdrop-filter: none;
}

.nav-item {
  color: #bdbdbd;
}

.nav-item.is-active {
  background: #333333;
  color: #ffffff;
}

.primary-button,
.primary-button:hover {
  border-color: #111111;
  background: #111111;
  color: #ffffff;
  transform: none;
}

.secondary-button,
.secondary-button:hover {
  border-color: #777777;
  background: #ffffff;
  color: #111111;
}

.eyebrow,
.view-heading em {
  color: #111111;
}

.idiom-course,
.idiom-detail,
.idiom-entry-strip {
  --idiom-night: #111111;
  --idiom-gold: #b8b8b8;
  --idiom-sky: #d6d6d6;
  --idiom-rose: #8a8a8a;
  --idiom-course-accent: #111111;
  --idiom-session-wash: #f3f3f3;
}

.idiom-writing-brief,
.idiom-example-duel-feedback,
.idiom-vocab-verdict,
.idiom-result-sheet,
.idiom-correction-stage,
.idiom-writing-stage,
.idiom-content-audit-table {
  background-color: #ffffff;
  background-image: none;
}

.idiom-decode-stage,
.idiom-study-sheet,
.idiom-story-page,
.idiom-solve-stage,
.idiom-author-field textarea {
  background-color: #ffffff;
  background-image: none;
}

.idiom-editable-copy {
  background: #f2f2f2;
}

.idiom-editable-field:hover > .idiom-editable-copy,
.idiom-editable-field:focus-visible > .idiom-editable-copy,
.idiom-editable-field:focus-within > .idiom-editable-copy {
  background: #e2e2e2;
}

.idiom-inline-editor-backdrop {
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: none;
}

.idiom-session-progress {
  border-color: #777777;
  background: #777777;
}

.idiom-session-progress li {
  background: #ffffff;
  color: #555555;
}

.idiom-session-progress li.is-current,
.idiom-session-progress li.is-current > [aria-current="step"],
.idiom-session-progress li > [aria-current="step"],
.idiom-session-progress [aria-current="step"] {
  background: #111111;
  color: #ffffff;
}

.idiom-session-progress li.is-current > [aria-current="step"] > span:first-child,
.idiom-session-progress li > [aria-current="step"] > span:first-child,
.idiom-session-progress li.is-current > span,
.idiom-session-progress [aria-current="step"] > span {
  color: #ffffff;
}

.idiom-session-progress li.is-ready {
  box-shadow: inset 0 -2px 0 #555555 !important;
}

/* 사자성어 4개 미션 코스 · 1b 히어로 이미지형 */
.idiom-mission-shell {
  width: min(100%, 900px);
  padding-top: 0;
  overflow: clip;
  background: #ffffff;
  box-shadow: 0 18px 46px rgba(17, 17, 17, 0.08);
}

.idiom-mission-cover {
  position: relative;
  isolation: isolate;
  display: grid;
  min-height: clamp(320px, 43vw, 400px);
  overflow: hidden;
  background: #151515;
  color: #ffffff;
}

.idiom-mission-cover-image {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 32%;
  filter: grayscale(1) contrast(1.12) brightness(0.78);
  transform: scale(1.015);
  animation: idiom-mission-cover-in 420ms cubic-bezier(0.2, 0.7, 0.2, 1) both;
}

.idiom-mission-cover.is-challenge .idiom-mission-cover-image {
  object-position: center 30%;
}

.idiom-mission-cover.is-writing .idiom-mission-cover-image {
  object-position: center 24%;
}

.idiom-mission-cover-shade {
  position: absolute;
  z-index: 1;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(0, 0, 0, 0.58) 0%, rgba(0, 0, 0, 0.06) 42%, rgba(0, 0, 0, 0.9) 100%),
    linear-gradient(90deg, rgba(0, 0, 0, 0.32), transparent 58%);
}

.idiom-mission-cover-glyphs {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  overflow: hidden;
  color: #555555;
  font-family: var(--font-hanja);
  font-size: clamp(6rem, 20vw, 12rem);
  font-weight: 700;
  letter-spacing: 0.06em;
  white-space: nowrap;
  transform: rotate(-4deg);
}

.idiom-mission-cover-content {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-rows: auto 1fr;
  min-height: inherit;
  padding: clamp(18px, 3vw, 30px);
}

.idiom-mission-cover-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.idiom-mission-cover-top > a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 44px;
  color: #ffffff;
  font-size: 0.76rem;
  font-weight: 850;
  text-decoration: none;
}

.idiom-mission-cover-top > a svg {
  width: 16px;
  transform: rotate(180deg);
}

.idiom-mission-cover-top > div {
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: 0;
}

.idiom-mission-cover-top > div > span {
  overflow: hidden;
  font-size: 0.72rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.idiom-mission-cover-copy {
  align-self: end;
  max-width: min(640px, calc(100% - 96px));
  padding: 42px 0 6px;
}

.idiom-mission-cover-copy > p:first-child {
  margin: 0 0 8px;
  font-size: 0.72rem;
  font-weight: 900;
  letter-spacing: 0.1em;
}

.idiom-mission-cover-copy h1 {
  max-width: 15ch;
  margin: 0;
  color: inherit;
  font-size: clamp(2.5rem, 6.4vw, 5rem);
  line-height: 0.94;
  letter-spacing: -0.065em;
  text-wrap: balance;
}

.idiom-mission-cover-copy > p:last-child {
  max-width: 52ch;
  margin: 16px 0 0;
  color: rgba(255, 255, 255, 0.82);
  font-size: 0.92rem;
  line-height: 1.65;
}

.idiom-mission-cover-count,
.idiom-mission-cover .idiom-mission-timer {
  position: absolute;
  right: clamp(18px, 3vw, 30px);
  bottom: clamp(22px, 3vw, 32px);
  z-index: 3;
  margin: 0;
  color: #ffffff;
  font-size: clamp(2.15rem, 5vw, 3.7rem);
  font-variant-numeric: tabular-nums;
  font-weight: 950;
  line-height: 0.9;
  letter-spacing: -0.06em;
}

.idiom-mission-cover-count small {
  margin-left: 3px;
  font-size: 0.42em;
  letter-spacing: -0.02em;
}

.idiom-mission-cover .idiom-mission-timer {
  min-width: 118px;
  padding: 10px 12px;
  border: 1px solid rgba(255, 255, 255, 0.72);
  background: rgba(0, 0, 0, 0.34);
  font-size: clamp(1.5rem, 3.4vw, 2.45rem);
  text-align: center;
  backdrop-filter: blur(8px);
}

.idiom-mission-tabs {
  position: relative;
  z-index: 4;
  width: calc(100% - 36px);
  margin: -18px auto 0;
  background: #ffffff;
  box-shadow: 0 -1px 0 rgba(255, 255, 255, 0.2);
}

.idiom-mission-tabs ol {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin: 0;
  padding: 0;
  border-bottom: 1px solid #c9c9c9;
  list-style: none;
}

.idiom-mission-tabs li {
  min-width: 0;
}

.idiom-mission-tabs li > :where(a, span) {
  position: relative;
  display: grid;
  align-content: center;
  gap: 3px;
  min-height: 66px;
  padding: 12px 14px 13px;
  border-right: 1px solid #dedede;
  background: #ffffff;
  color: #777777;
  text-decoration: none;
  transition: background-color 150ms ease, color 150ms ease;
}

.idiom-mission-tabs li:last-child > :where(a, span) {
  border-right: 0;
}

.idiom-mission-tabs strong {
  overflow: hidden;
  font-size: 0.78rem;
  font-weight: 900;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.idiom-mission-tabs small {
  overflow: hidden;
  color: inherit;
  font-size: 0.63rem;
  font-weight: 720;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.idiom-mission-tabs li.is-current > [aria-current="step"] {
  color: #111111;
}

.idiom-mission-tabs li.is-current > [aria-current="step"]::after {
  content: "";
  position: absolute;
  right: 12px;
  bottom: -1px;
  left: 12px;
  height: 4px;
  background: #111111;
}

.idiom-mission-tabs li.is-ready > a,
.idiom-mission-tabs li.is-available > a {
  color: #333333;
}

.idiom-mission-tabs li > a:hover {
  background: #ededed;
  color: #111111;
}

.idiom-mission-tabs li.is-locked > span {
  color: #aaaaaa;
}

.idiom-mission-shell > .idiom-stage-page {
  padding: 0;
  background: #ffffff;
}

@keyframes idiom-mission-cover-in {
  from { opacity: 0.72; transform: scale(1.055); }
  to { opacity: 1; transform: scale(1.015); }
}


.idiom-mission {
  --mission-ink: #111111;
  --mission-paper: #ffffff;
  --mission-muted: #666666;
  --mission-line: #b8b8b8;
  --mission-stamp: #111111;
  display: grid;
  gap: clamp(20px, 3vw, 36px);
  max-width: none;
  margin: 0;
  padding: clamp(26px, 4vw, 52px);
  border: 0;
  background: var(--mission-paper);
  color: var(--mission-ink);
}

.idiom-mission-hero {
  display: grid;
  grid-template-columns: minmax(150px, 230px) minmax(0, 1fr) auto;
  align-items: center;
  gap: clamp(20px, 4vw, 48px);
  padding-bottom: clamp(20px, 3vw, 36px);
  border-bottom: 1px solid var(--mission-ink);
}

.idiom-mission-hero h2 {
  max-width: 15ch;
  margin: 6px 0 14px;
  font-size: clamp(2rem, 5vw, 4.6rem);
  line-height: 0.98;
  letter-spacing: -0.06em;
}

.idiom-mission-hero p:last-child {
  max-width: 52ch;
  color: var(--mission-muted);
  font-size: clamp(1rem, 1.8vw, 1.25rem);
  line-height: 1.65;
}

.idiom-mission-character {
  display: grid;
  gap: 8px;
  min-width: 0;
}

.idiom-mission-character-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  min-height: 44px;
}

.idiom-mission-character-heading > span {
  min-width: 0;
  padding: 5px 9px;
  border: 1px solid var(--mission-ink);
  background: #ffffff;
  font-weight: 800;
}

.idiom-mission-character img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1;
  border: 2px solid var(--mission-ink);
  background: #e7e7e7;
  object-fit: cover;
  filter: saturate(0.78) contrast(1.05);
}

.idiom-cursed-map {
  display: grid;
  gap: 18px;
  padding: clamp(24px, 5vw, 60px);
  border: 1px solid var(--mission-ink);
  background-color: #eeeae0;
  background-image: repeating-linear-gradient(7deg, transparent 0 22px, rgba(17, 17, 17, 0.045) 23px 24px);
}

.idiom-cursed-map > p {
  margin: 0;
  color: var(--mission-muted);
  font-weight: 750;
}

.idiom-cursed-map > strong {
  font-size: clamp(3.6rem, 11vw, 8rem);
  line-height: 1;
  letter-spacing: 0.08em;
}

.idiom-cursed-map > div {
  max-width: 55ch;
  font-size: clamp(1.05rem, 2vw, 1.4rem);
  line-height: 1.85;
}

.idiom-cursed-map blockquote {
  margin: 10px 0 0;
  padding: 18px 20px;
  border-left: 8px solid var(--mission-stamp);
  background: #111111;
  color: #ffffff;
  font-weight: 800;
  line-height: 1.7;
}

.idiom-mission-check {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin: 0;
  padding: 0;
  border: 0;
}

.idiom-mission-check legend {
  grid-column: 1 / -1;
  width: 100%;
  margin-bottom: 8px;
  font-size: clamp(1.15rem, 2vw, 1.55rem);
  font-weight: 900;
}

.idiom-mission-check-status {
  display: inline-block;
  margin-left: 12px;
  padding: 4px 8px;
  border: 1px solid var(--mission-ink);
  color: var(--mission-ink);
  font-size: 0.78rem;
  vertical-align: middle;
}

.idiom-mission-check label {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  min-height: 92px;
  padding: 18px;
  border: 1px solid var(--mission-line);
  cursor: pointer;
}

.idiom-mission-check label.is-selected {
  border: 3px solid var(--mission-ink);
  padding: 16px;
  background: #eeeeee;
}

.idiom-mission-check.is-complete label {
  cursor: pointer;
}

.idiom-mission-check.is-complete label.is-selected {
  opacity: 1;
}

.idiom-mission-choice-result {
  margin-left: auto;
  padding: 3px 7px;
  border: 1px solid var(--mission-ink);
  white-space: nowrap;
}

.idiom-mission-feedback,
.idiom-mission-points,
.idiom-mission-rule,
.idiom-mission-topic,
.idiom-mission-failure,
.idiom-mission-victory {
  margin: 0;
  padding: 18px 22px;
  border: 1px solid var(--mission-ink);
}

.idiom-mission-feedback.is-error,
.idiom-mission-failure {
  border: 4px solid var(--mission-stamp);
  color: var(--mission-stamp);
  font-weight: 900;
}

.idiom-mission-feedback.is-success,
.idiom-mission-victory {
  border: 4px double var(--mission-ink);
  font-weight: 900;
}

.idiom-mission-rabbit-speech {
  display: grid;
  gap: 8px;
  margin: 16px 0 20px;
  padding: 8px 0 8px 18px;
  border-left: 6px solid var(--mission-ink);
}

.idiom-mission-rabbit-speech > span {
  font-size: 0.82rem;
  letter-spacing: 0.02em;
}

.idiom-mission-rabbit-speech > p {
  margin: 0;
  font-size: clamp(1rem, 2vw, 1.2rem);
  font-weight: 700;
  line-height: 1.7;
}

.idiom-mission-victory-epilogue {
  display: grid;
  gap: 8px;
  margin: 20px 0;
  padding: clamp(18px, 3vw, 28px);
  background: var(--mission-ink);
  color: #ffffff;
}

.idiom-mission-victory-epilogue > span {
  color: #cfcfcf;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.idiom-mission-victory-epilogue > strong {
  font-size: clamp(1.05rem, 2.2vw, 1.35rem);
}

.idiom-mission-victory-epilogue > p {
  margin: 2px 0 0;
  font-weight: 600;
  line-height: 1.75;
}

@media (prefers-reduced-motion: no-preference) {
  .idiom-mission-victory-epilogue {
    animation: idiom-victory-epilogue-enter 280ms ease-out both;
    animation-delay: 120ms;
  }
}

@keyframes idiom-victory-epilogue-enter {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

.idiom-mission-timer {
  min-width: 124px;
  padding: 12px 14px;
  border: 2px solid var(--mission-ink);
  font-variant-numeric: tabular-nums;
  font-size: clamp(1.5rem, 3vw, 2.6rem);
  text-align: center;
}

.idiom-mission-two.is-failed .idiom-mission-timer {
  border-color: var(--mission-stamp);
  color: var(--mission-stamp);
}

.idiom-mission-two .idiom-challenge-log {
  gap: 16px;
  max-height: 540px;
  overflow-y: auto;
  padding: 18px;
  border: 1px solid var(--mission-ink);
  background: #ffffff;
}

.idiom-mission-two .idiom-challenge-log li {
  width: min(78%, 620px);
  padding: 14px 16px;
  border: 1px solid var(--mission-ink);
  line-height: 1.65;
}

.idiom-mission-two .idiom-challenge-log li > span {
  margin-bottom: 6px;
  font-weight: 900;
  letter-spacing: 0.04em;
}

.idiom-mission-two .idiom-challenge-log li.is-assistant {
  justify-self: start;
  margin-right: clamp(28px, 10vw, 150px);
  border-left-width: 6px;
  background: #ffffff;
}

.idiom-mission-two .idiom-challenge-log li.is-user {
  justify-self: end;
  margin-left: clamp(24px, 12vw, 180px);
  border-right-width: 6px;
  background: var(--mission-ink);
  color: #ffffff;
}

.idiom-challenge-typing {
  display: flex;
  gap: 7px;
  align-items: center;
  min-height: 24px;
}

.idiom-challenge-typing > i {
  font-style: normal;
  font-size: 1.7rem;
  font-weight: 900;
  line-height: 0.6;
  animation: idiom-challenge-typing-dot 900ms ease-in-out infinite;
}

.idiom-challenge-typing > i:nth-child(2) {
  animation-delay: 150ms;
}

.idiom-challenge-typing > i:nth-child(3) {
  animation-delay: 300ms;
}

@keyframes idiom-challenge-typing-dot {
  0%, 60%, 100% {
    opacity: 0.28;
    transform: translateY(0);
  }
  30% {
    opacity: 1;
    transform: translateY(-3px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .idiom-challenge-typing > i {
    animation: none;
    opacity: 1;
    transform: none;
  }
}

.idiom-mission-two .idiom-challenge-compose {
  border: 1px solid var(--mission-ink);
  background: #ffffff;
}

.idiom-mission-two .idiom-mission-hero {
  grid-template-columns: 112px minmax(0, 1fr) auto;
  gap: clamp(14px, 3vw, 28px);
  padding-bottom: 18px;
}

.idiom-mission-two .idiom-mission-character {
  gap: 4px;
}

.idiom-mission-two .idiom-mission-character-heading {
  min-height: 32px;
}

.idiom-mission-two .idiom-mission-character-heading > span {
  padding: 3px 7px;
  font-size: 0.85rem;
}

.idiom-mission-two .idiom-mission-hero h2 {
  max-width: 20ch;
  margin: 0;
  font-size: clamp(1.8rem, 4vw, 3.4rem);
}

.idiom-mission-two .idiom-mission-enable {
  display: flex;
  justify-content: flex-end;
}

.idiom-mission-two .idiom-mission-enable .primary-button {
  width: min(100%, 320px);
}

.idiom-mission-response-prompt,
.idiom-mission-grading-prompt {
  display: grid;
  gap: 14px;
  padding: 18px 20px;
  border: 1px solid var(--mission-ink);
  background: #ededed;
}

.idiom-mission-response-prompt-heading,
.idiom-mission-grading-prompt-heading {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 14px;
}

.idiom-mission-response-prompt-heading > span,
.idiom-mission-grading-prompt-heading > span {
  padding: 3px 7px;
  border: 1px solid var(--mission-ink);
  background: #ffffff;
  font-size: 0.78rem;
  font-weight: 800;
}

.idiom-mission-response-prompt-heading > strong,
.idiom-mission-grading-prompt-heading > strong {
  font-size: 1.05rem;
}

.idiom-mission-response-prompt > p,
.idiom-mission-grading-prompt > p {
  margin: 0;
  line-height: 1.65;
}

.idiom-mission-response-prompt dl,
.idiom-mission-response-prompt dd {
  margin: 0;
}

.idiom-mission-response-prompt dl > div {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 10px;
  align-items: baseline;
  padding-top: 12px;
  border-top: 1px solid var(--mission-line);
}

.idiom-mission-response-prompt dt {
  font-weight: 800;
}

@media (max-width: 720px) {
  .idiom-mission-two .idiom-mission-hero {
    grid-template-columns: 76px minmax(0, 1fr) auto;
  }

  .idiom-mission-two .idiom-mission-timer {
    min-width: 82px;
    padding: 9px;
  }

  .idiom-mission-response-prompt dl > div {
    grid-template-columns: 1fr;
  }
}

.idiom-mission-topic {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 8px 20px;
}

.idiom-mission-topic > span {
  grid-row: 1 / 3;
  align-self: stretch;
  padding: 12px;
  background: #111111;
  color: #ffffff;
  font-weight: 900;
  writing-mode: vertical-rl;
}

.idiom-mission-topic > strong {
  font-size: clamp(2rem, 5vw, 4rem);
}

.idiom-mission-topic > p {
  margin: 0;
  line-height: 1.7;
}

.idiom-mission-essay {
  display: grid;
  gap: 10px;
  font-weight: 900;
}

.idiom-mission-essay textarea {
  min-height: 280px;
  padding: 24px;
  border: 2px solid var(--mission-ink);
  background: repeating-linear-gradient(#ffffff 0 42px, #d9d9d9 43px 44px);
  font: inherit;
  line-height: 44px;
}

.idiom-mission-writing-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.idiom-mission-writing-actions > span.is-error {
  color: var(--mission-stamp);
  font-weight: 900;
}

.idiom-stamp-board {
  border: 2px solid var(--mission-ink);
}

.idiom-stamp-board > header {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 20px;
  padding: 18px 22px;
  border-bottom: 1px solid var(--mission-ink);
}

.idiom-stamp-board > header strong,
.idiom-stamp-board > header span {
  display: block;
}

.idiom-stamp-board > header strong {
  font-size: 1.4rem;
}

.idiom-stamp-board > header b {
  font-size: 2rem;
}

.idiom-stamp-board > div {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
}

.idiom-stamp-board article {
  display: grid;
  align-content: start;
  gap: 7px;
  min-height: 190px;
  padding: 18px;
  border-right: 1px solid var(--mission-line);
}

.idiom-stamp-board article:last-child {
  border-right: 0;
}

.idiom-stamp-board article > span {
  display: grid;
  width: 58px;
  aspect-ratio: 1;
  place-items: center;
  border: 3px double var(--mission-line);
  color: var(--mission-line);
  font-size: 1.8rem;
  font-weight: 900;
}

.idiom-stamp-board article.is-earned > span {
  border-color: var(--mission-stamp);
  color: var(--mission-stamp);
  transform: rotate(-7deg);
}

.idiom-stamp-board article small {
  color: var(--mission-muted);
  line-height: 1.45;
}

.idiom-stamp-board > p {
  margin: 0;
  padding: 14px 22px;
  border-top: 1px solid var(--mission-line);
  color: var(--mission-muted);
}

.idiom-mission-four > header {
  display: grid;
  gap: 6px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--mission-ink);
}

.idiom-mission-four > header :where(p, h2) {
  margin: 0;
}

.idiom-mission-four > header h2 {
  font-size: clamp(2rem, 5vw, 4rem);
  line-height: 1;
  letter-spacing: -0.05em;
}

.idiom-mission-four-story {
  display: grid;
  grid-template-columns: minmax(150px, 0.32fr) minmax(0, 1fr);
  min-height: 250px;
  overflow: hidden;
  border: 2px solid var(--mission-ink);
  background: var(--mission-ink);
  color: #ffffff;
}

.idiom-mission-four-story > img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 34%;
  filter: grayscale(1) contrast(1.06);
}

.idiom-mission-four-story > blockquote {
  display: grid;
  align-content: center;
  gap: 14px;
  margin: 0;
  padding: clamp(22px, 4vw, 46px);
}

.idiom-mission-four-story > blockquote > span {
  font-size: 0.82rem;
  font-weight: 900;
  letter-spacing: 0.06em;
}

.idiom-mission-four-story > blockquote > p {
  margin: 0;
  font-size: clamp(1rem, 2vw, 1.25rem);
  font-weight: 700;
  line-height: 1.75;
}

@media (prefers-reduced-motion: no-preference) {
  .idiom-mission-four-story > img {
    animation: idiom-mission-four-character-enter 420ms ease-out both;
  }
}

@keyframes idiom-mission-four-character-enter {
  from { opacity: 0; transform: scale(1.025); }
  to { opacity: 1; transform: scale(1); }
}

.idiom-mission-vocab-steps {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border: 2px solid var(--mission-ink);
}

.idiom-mission-vocab-steps > :where(button, span) {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 8px;
  align-items: center;
  min-height: 66px;
  padding: 10px 14px;
  border: 0;
  border-right: 1px solid var(--mission-line);
  border-radius: 0;
  background: #ffffff;
  color: var(--mission-ink);
  font: inherit;
  text-align: left;
}

.idiom-mission-vocab-steps > :last-child {
  border-right: 0;
}

.idiom-mission-vocab-steps > button {
  cursor: pointer;
}

.idiom-mission-vocab-steps > [aria-current="step"] {
  background: #111111;
  color: #ffffff;
}

.idiom-mission-vocab-steps > [aria-disabled="true"] {
  background: #eeeeee;
  color: #888888;
}

.idiom-mission-vocab-steps b {
  font-family: var(--font-hanja);
  font-size: 1.8rem;
}

.idiom-mission-vocab-steps small {
  font-size: 0.68rem;
  font-weight: 800;
}

.idiom-mission-vocab-card {
  min-height: 0;
  padding: 0;
}

.idiom-mission-vocab-card > header {
  display: grid;
  grid-template-columns: 120px minmax(0, 1fr);
  align-items: center;
  gap: 22px;
  margin-bottom: 24px;
}

.idiom-mission-vocab-card > header > b {
  display: grid;
  aspect-ratio: 1;
  place-items: center;
  border: 2px solid var(--mission-ink);
  font-family: var(--font-hanja);
  font-size: 4.5rem;
  line-height: 1;
}

.idiom-mission-vocab-card > header small {
  margin: 0;
}

.idiom-mission-vocab-character-facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px 24px;
  margin: 10px 0 0;
}

.idiom-mission-vocab-character-facts > div {
  display: grid;
  gap: 3px;
  min-width: 0;
}

.idiom-mission-vocab-character-facts :where(dt, dd) {
  margin: 0;
}

.idiom-mission-vocab-character-facts dt,
.idiom-mission-vocab-example span {
  color: var(--mission-muted);
  font-size: 0.72rem;
  font-weight: 900;
  letter-spacing: 0.08em;
}

.idiom-mission-vocab-character-facts dd {
  font-size: clamp(1.25rem, 2.8vw, 1.9rem);
  font-weight: 900;
  line-height: 1.2;
}

.idiom-mission-vocab-example {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  margin-bottom: 24px;
  border-block: 1px solid var(--mission-ink);
}

.idiom-mission-vocab-example > div {
  min-width: 0;
  padding: 16px 18px;
}

.idiom-mission-vocab-example > div + div {
  border-left: 1px solid var(--mission-line);
}

.idiom-mission-vocab-example :where(strong, p) {
  margin: 5px 0 0;
}

.idiom-mission-vocab-example strong {
  display: block;
  font-size: 1.35rem;
}

.idiom-mission-vocab-example strong b {
  margin-left: 6px;
  font-family: var(--font-hanja);
  font-weight: 700;
}

.idiom-mission-vocab-example p {
  line-height: 1.55;
}

.idiom-mission-vocab-form {
  display: grid;
  gap: 10px;
}

.idiom-mission-vocab-form label {
  font-size: 1rem;
  font-weight: 900;
}

.idiom-mission-vocab-form :where(input, textarea) {
  width: 100%;
  min-width: 0;
  padding: 14px 16px;
  border: 2px solid var(--mission-ink);
  border-radius: 0;
  background: #ffffff;
  color: var(--mission-ink);
  font: inherit;
  font-size: 1rem;
}

.idiom-mission-vocab-editable-control {
  position: relative;
}

.idiom-mission-vocab-editable-control > .idiom-inline-edit-trigger {
  position: absolute;
  top: 0;
  right: 10px;
  width: 28px;
  height: 100%;
}

.idiom-mission-vocab-editable-control > .idiom-inline-edit-trigger > .idiom-inline-edit-button {
  left: 0;
  top: 50%;
  transform: translateY(-50%);
}

.idiom-mission-vocab-editable-control:has(.idiom-inline-edit-trigger) > input {
  padding-right: 52px;
}

.idiom-mission-vocab-form textarea {
  min-height: 126px;
  resize: vertical;
  line-height: 1.6;
}

.idiom-mission-vocab-form :where(input, textarea)[aria-invalid="true"] {
  border-style: dashed;
}

.idiom-mission-vocab-form > button {
  justify-self: end;
  min-width: min(260px, 100%);
}

.idiom-mission-vocab-candidate,
.idiom-mission-vocab-complete {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 16px;
  margin-bottom: 18px;
  padding: 14px 16px;
  border: 1px solid var(--mission-line);
  background: #eeeeee;
}

.idiom-mission-vocab-candidate strong,
.idiom-mission-vocab-complete strong {
  font-size: 1.25rem;
}

.idiom-mission-vocab-candidate .text-button {
  margin-left: auto;
}

.idiom-mission-vocab-card .idiom-vocab-verdict {
  margin-top: 18px;
  animation: none;
}

.idiom-mission-four-learning {
  display: grid;
  gap: 34px;
}

.idiom-mission-four-stepper {
  border: 2px solid var(--mission-ink);
  background: #ffffff;
}

.idiom-mission-four-stepper ol {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin: 0;
  padding: 0;
  list-style: none;
}

.idiom-mission-four-stepper li + li {
  border-left: 1px solid var(--mission-line);
}

.idiom-mission-four-stepper button {
  display: grid;
  grid-template-columns: auto auto 1fr;
  gap: 8px;
  align-items: center;
  width: 100%;
  min-height: 72px;
  padding: 12px 16px;
  border: 0;
  border-radius: 0;
  background: transparent;
  color: var(--mission-muted);
  font: inherit;
  text-align: left;
}

.idiom-mission-four-stepper button:not(:disabled) {
  cursor: pointer;
}

.idiom-mission-four-stepper button:focus-visible {
  outline: 3px solid var(--mission-ink);
  outline-offset: -5px;
}

.idiom-mission-four-stepper button > span,
.idiom-mission-four-stepper button > small {
  font-size: 0.68rem;
  font-weight: 900;
}

.idiom-mission-four-stepper button > b {
  font-family: var(--font-hanja);
  font-size: 1.65rem;
}

.idiom-mission-four-stepper button > small {
  justify-self: end;
}

.idiom-mission-four-stepper .is-current button {
  background: var(--mission-ink);
  color: #ffffff;
}

.idiom-mission-four-stepper .is-complete button {
  color: var(--mission-ink);
}

.idiom-mission-four-stepper .is-complete button > small::before {
  content: "✓ ";
}

.idiom-mission-four-stepper button:disabled {
  opacity: 0.42;
}

.idiom-mission-four-word-bank {
  display: grid;
  grid-template-columns: 1fr;
  border: 2px solid var(--mission-ink);
  background: #ffffff;
}

.idiom-mission-four-word-group {
  min-width: 0;
  padding: 24px;
}

.idiom-mission-four-word-group > header {
  display: grid;
  grid-template-columns: 78px minmax(0, 1fr);
  gap: 18px;
  align-items: center;
  margin-bottom: 18px;
}

.idiom-mission-four-word-group > header > b {
  display: grid;
  aspect-ratio: 1;
  place-items: center;
  border: 2px solid var(--mission-ink);
  font-family: var(--font-hanja);
  font-size: 3.25rem;
  line-height: 1;
}

.idiom-mission-four-word-group > header > div {
  display: grid;
  gap: 2px;
}

.idiom-mission-four-word-group > header span {
  color: var(--mission-muted);
  font-size: 0.7rem;
  font-weight: 900;
  letter-spacing: 0.08em;
}

.idiom-mission-four-word-group > header strong {
  font-size: 1.25rem;
}

.idiom-mission-four-word-group > header small {
  font-weight: 800;
}

.idiom-mission-four-word-group ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.idiom-mission-four-word-group li {
  padding: 12px 0;
  border-top: 1px solid var(--mission-line);
}

.idiom-mission-four-word-group li strong {
  display: block;
  font-size: 1.08rem;
}

.idiom-mission-four-word-group li strong b {
  margin-left: 5px;
  font-family: var(--font-hanja);
  font-weight: 650;
}

.idiom-mission-four-word-group li p {
  margin: 4px 0 0;
  color: var(--mission-muted);
  font-size: 0.88rem;
  line-height: 1.5;
}

.idiom-mission-four-writing-form {
  display: grid;
  gap: 14px;
  padding: clamp(22px, 4vw, 38px);
  border: 2px solid var(--mission-ink);
  background: #ffffff;
}

.idiom-mission-four-writing-heading {
  display: grid;
  gap: 5px;
}

.idiom-mission-four-writing-heading > span {
  font-size: 0.72rem;
  font-weight: 950;
  letter-spacing: 0.06em;
}

.idiom-mission-four-writing-heading > label {
  max-width: 29ch;
  font-size: clamp(1.35rem, 3vw, 2rem);
  font-weight: 950;
  line-height: 1.25;
}

.idiom-mission-four-writing-form textarea {
  width: 100%;
  min-height: 170px;
  padding: 18px;
  border: 2px solid var(--mission-ink);
  border-radius: 0;
  background: #ffffff;
  color: var(--mission-ink);
  font: inherit;
  line-height: 1.7;
  resize: vertical;
}

.idiom-mission-four-writing-form textarea[aria-invalid="true"] {
  border-style: dashed;
}

.idiom-mission-four-writing-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 18px;
  align-items: center;
  justify-content: space-between;
  color: var(--mission-muted);
}

.idiom-mission-four-writing-meta > span {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.idiom-mission-four-writing-meta b {
  padding: 4px 7px;
  border: 1px solid var(--mission-line);
  color: var(--mission-ink);
  font-size: 0.72rem;
}

.idiom-mission-four-writing-feedback {
  margin: 0;
  padding: 12px 14px;
  border-left: 6px solid var(--mission-ink);
  background: #eeeeee;
  font-weight: 800;
}

.idiom-beon-progress {
  padding: 18px 0 18px 18px;
  border-left: 3px solid var(--mission-ink);
  margin: 22px 0;
}

.idiom-beon-progress > span {
  font-size: 0.78rem;
  font-weight: 800;
  color: var(--mission-muted);
}

.idiom-beon-progress > p {
  margin: 8px 0 0;
  max-width: 65ch;
  line-height: 1.8;
  word-break: keep-all;
  overflow-wrap: anywhere;
}

.idiom-sentence-result {
  margin: 0;
  padding: 18px;
  background: #eeeeee;
  border-left: 5px solid var(--mission-ink);
  line-height: 1.8;
  word-break: keep-all;
  overflow-wrap: anywhere;
}

.idiom-sentence-result > p { margin: 8px 0 0; }
.idiom-sentence-notice { margin: 0; color: var(--mission-muted); font-size: 0.78rem; line-height: 1.65; }
.idiom-sentence-notice > a { color: inherit; text-decoration: underline; text-underline-offset: 3px; }
.idiom-sentence-result:focus-visible { outline: 3px solid var(--mission-ink); outline-offset: 3px; }

@media (prefers-reduced-motion: no-preference) {
  .idiom-sentence-result.is-accepted { animation: sentence-reveal 180ms ease-out both; }
  @keyframes sentence-reveal { from { opacity: 0; transform: translateY(4px); } to { opacity: 1; transform: translateY(0); } }
}

.idiom-mission-four-writing-form .idiom-editable-action {
  justify-self: end;
  min-width: min(320px, 100%);
}

.idiom-mission-four-writing-form .primary-button {
  width: 100%;
}

.idiom-mission-four-scene {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(320px, 0.92fr);
  border: 2px solid var(--mission-ink);
  background: #ffffff;
}

.idiom-mission-four-scene > figure {
  position: relative;
  min-height: 560px;
  margin: 0;
  overflow: hidden;
  border-right: 1px solid var(--mission-line);
  background: #111111;
}

.idiom-mission-four-scene > figure > img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.idiom-mission-four-scene > div {
  display: flex;
  min-width: 0;
  padding: clamp(24px, 4vw, 44px);
  flex-direction: column;
  justify-content: center;
}

.idiom-mission-four-scene .eyebrow {
  margin: 0 0 10px;
  font-size: 0.76rem;
  font-weight: 950;
  letter-spacing: 0.08em;
}

.idiom-mission-four-scene h2 {
  margin: 0;
  font-size: clamp(2rem, 4.4vw, 4rem);
  line-height: 0.98;
  letter-spacing: -0.06em;
}

.idiom-mission-four-scene h2 + p {
  margin: 22px 0 0;
  line-height: 1.8;
}

.idiom-mission-four-scene blockquote {
  margin: 26px 0;
  padding: 20px 0 20px 20px;
  border-left: 8px solid var(--mission-ink);
}

.idiom-mission-four-scene blockquote span {
  font-size: 0.76rem;
  font-weight: 950;
}

.idiom-mission-four-scene blockquote p {
  margin: 8px 0 0;
  font-size: 1.05rem;
  font-weight: 750;
  line-height: 1.7;
}

.idiom-mission-four-scene .idiom-editable-action {
  width: 100%;
  margin-top: auto;
}

.idiom-mission-four-scene .primary-button {
  width: 100%;
}

.idiom-mission-four-points {
  align-self: flex-start;
  margin-top: 18px;
  padding: 9px 12px;
  border: 2px solid var(--mission-ink);
  font-size: 1.1rem;
}

.idiom-mission-four-clue {
  margin: 0 0 26px;
  padding: 22px;
  background: #111111;
  color: #ffffff;
}

.idiom-mission-four-clue span {
  font-size: 0.74rem;
  font-weight: 950;
  letter-spacing: 0.06em;
}

.idiom-mission-four-clue p {
  margin: 12px 0 18px;
  font-size: clamp(1.1rem, 2.2vw, 1.4rem);
  font-weight: 850;
  line-height: 1.55;
}

.idiom-mission-four-clue small {
  color: #c9c9c9;
  font-weight: 800;
}

@media (prefers-reduced-motion: no-preference) {
  .idiom-mission-four-scene {
    animation: idiom-mission-four-scene-enter 420ms ease-out both;
  }

  @keyframes idiom-mission-four-scene-enter {
    from { opacity: 0; transform: translateY(12px); }
    to { opacity: 1; transform: translateY(0); }
  }
}

.idiom-mission-vocab-actions {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  align-items: center;
  padding-top: 20px;
  border-top: 1px solid var(--mission-ink);
}

.idiom-mission-vocab-actions .idiom-stage-inline-lock {
  text-align: center;
}

.idiom-mission-reset-row {
  display: flex;
  justify-content: flex-end;
  padding-top: 18px;
  border-top: 1px solid var(--mission-line);
}

.idiom-mission-reset-row .secondary-button {
  min-width: min(280px, 100%);
}

@media (max-width: 760px) {
  .idiom-mission-shell {
    box-shadow: none;
  }

  .idiom-mission-cover {
    min-height: 304px;
  }

  .idiom-mission-cover-content {
    padding: 16px 18px 34px;
  }

  .idiom-mission-cover-copy {
    max-width: calc(100% - 72px);
    padding-top: 28px;
  }

  .idiom-mission-cover-copy h1 {
    max-width: 12ch;
    font-size: clamp(2.05rem, 10vw, 3rem);
  }

  .idiom-mission-cover-copy > p:last-child {
    display: -webkit-box;
    overflow: hidden;
    margin-top: 11px;
    font-size: 0.78rem;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 3;
  }

  .idiom-mission-cover-count,
  .idiom-mission-cover .idiom-mission-timer {
    right: 18px;
    bottom: 34px;
  }

  .idiom-mission-cover .idiom-mission-timer {
    width: auto;
    min-width: 92px;
    padding: 8px 10px;
  }

  .idiom-mission-tabs {
    width: calc(100% - 24px);
  }

  .idiom-mission-tabs li > :where(a, span) {
    min-height: 58px;
    padding: 10px 8px 12px;
  }

  .idiom-mission-tabs strong {
    font-size: 0.72rem;
  }

  .idiom-mission-tabs small {
    font-size: 0.56rem;
  }

  .idiom-mission {
    padding: 18px;
    margin-bottom: calc(96px + env(safe-area-inset-bottom));
  }

  .idiom-mission-hero {
    grid-template-columns: 100px minmax(0, 1fr);
  }

  .idiom-mission-hero .idiom-mission-timer {
    grid-column: 1 / -1;
    width: 100%;
  }

  .idiom-mission-check,
  .idiom-stamp-board > div {
    grid-template-columns: 1fr;
  }

  .idiom-stamp-board article {
    min-height: 0;
    border-right: 0;
    border-bottom: 1px solid var(--mission-line);
  }

  .idiom-mission-writing-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .idiom-mission-four-story {
    grid-template-columns: 112px minmax(0, 1fr);
    min-height: 0;
  }

  .idiom-mission-four-story > blockquote {
    padding: 18px;
  }

  .idiom-mission-four-story > blockquote > p {
    font-size: 0.92rem;
    line-height: 1.65;
  }

  .idiom-mission-four-word-bank {
    grid-template-columns: 1fr;
  }

  .idiom-mission-four-stepper button {
    grid-template-columns: 1fr;
    justify-items: center;
    min-height: 82px;
    padding: 9px 6px;
    text-align: center;
  }

  .idiom-mission-four-stepper button > small {
    justify-self: center;
  }

  .idiom-mission-four-word-group {
    padding: 18px;
  }

  .idiom-mission-four-word-group > header {
    grid-template-columns: 66px minmax(0, 1fr);
    gap: 14px;
  }

  .idiom-mission-four-word-group > header > b {
    font-size: 2.65rem;
  }

  .idiom-mission-four-writing-form {
    padding: 20px;
  }

  .idiom-mission-four-writing-form .idiom-editable-action {
    justify-self: stretch;
  }

  .idiom-mission-four-scene {
    grid-template-columns: 1fr;
  }

  .idiom-mission-four-scene > figure {
    min-height: 0;
    aspect-ratio: 1;
    border-right: 0;
    border-bottom: 1px solid var(--mission-line);
  }

  .idiom-mission-four-scene > div {
    padding: 24px 20px;
  }

  .idiom-mission-vocab-steps > :where(button, span) {
    grid-template-columns: 1fr;
    justify-items: center;
    gap: 2px;
    padding: 8px 4px;
    text-align: center;
  }

  .idiom-mission-vocab-steps small {
    display: none;
  }

  .idiom-mission-vocab-card > header {
    grid-template-columns: 84px minmax(0, 1fr);
    gap: 14px;
  }

  .idiom-mission-vocab-card > header > b {
    font-size: 3rem;
  }

  .idiom-mission-vocab-example {
    grid-template-columns: 1fr;
  }

  .idiom-mission-vocab-example > div + div {
    border-top: 1px solid var(--mission-line);
    border-left: 0;
  }

  .idiom-mission-vocab-form > button {
    width: 100%;
  }

  .idiom-mission-vocab-actions {
    grid-template-columns: 1fr;
  }

  .idiom-mission-reset-row .secondary-button {
    width: 100%;
  }

  .idiom-mission-two .idiom-challenge-log {
    gap: 12px;
    padding: 12px;
  }

  .idiom-mission-two .idiom-challenge-log li {
    width: 88%;
    padding: 12px 14px;
  }

  .idiom-mission-two .idiom-challenge-log li.is-assistant {
    margin-right: 0;
  }

  .idiom-mission-two .idiom-challenge-log li.is-user {
    margin-left: 0;
  }
}

/* Alice mystery · editorial short-novel layout */
.mystery-page {
  width: min(1120px, 100%);
  margin: 0 auto;
  padding: 42px 0 120px;
  color: #111;
}

.mystery-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 28px 48px;
  align-items: end;
  padding: 54px 56px 34px;
  border: 2px solid #111;
  background: #fff;
}

.mystery-hero-copy h1 {
  margin: 8px 0 20px;
  font-size: clamp(3.4rem, 8vw, 7.8rem);
  line-height: .83;
  letter-spacing: -.09em;
}

.mystery-hero-copy h1 em {
  display: inline-block;
  color: #111;
  font-style: normal;
  border-bottom: 8px solid #111;
}

.mystery-hero-copy > p:last-child {
  max-width: 540px;
  margin: 0;
  font-size: 1.08rem;
  line-height: 1.75;
}

.mystery-hero-number {
  min-width: 210px;
  font-size: clamp(5rem, 10vw, 9.2rem);
  font-weight: 950;
  line-height: .75;
  letter-spacing: -.1em;
  text-align: right;
}

.mystery-hero-number small {
  margin-left: 8px;
  font-size: 1.2rem;
  letter-spacing: -.04em;
}

.mystery-season-progress {
  display: grid;
  grid-template-columns: 180px minmax(0, 1fr);
  grid-column: 1 / -1;
  gap: 28px;
  align-items: end;
  padding-top: 26px;
  border-top: 1px solid #111;
}

.mystery-season-progress > div {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 2px 10px;
  align-items: baseline;
}

.mystery-season-progress strong {
  font-size: 1.8rem;
}

.mystery-season-progress span {
  font-weight: 800;
}

.mystery-season-progress small {
  grid-column: 1 / -1;
  color: #666;
}

.mystery-season-progress progress,
.mystery-report-progress progress {
  width: 100%;
  height: 18px;
  border: 1px solid #111;
  border-radius: 0;
  background: #eee;
}

.mystery-season-progress progress::-webkit-progress-bar,
.mystery-report-progress progress::-webkit-progress-bar {
  background: #eee;
}

.mystery-season-progress progress::-webkit-progress-value,
.mystery-report-progress progress::-webkit-progress-value {
  background: #111;
}

.mystery-season-progress progress::-moz-progress-bar,
.mystery-report-progress progress::-moz-progress-bar {
  background: #111;
}

.mystery-lock-rail {
  display: grid;
  grid-template-columns: repeat(10, minmax(0, 1fr));
  margin: 0 0 54px;
  padding: 0;
  border: 1px solid #111;
  border-top: 0;
  list-style: none;
}

.mystery-lock-rail li {
  display: grid;
  place-items: center;
  min-height: 76px;
  border-right: 1px solid #aaa;
  background: #fff;
}

.mystery-lock-rail li:last-child {
  border-right: 0;
}

.mystery-lock-rail span {
  font-size: 1.2rem;
  font-weight: 900;
}

.mystery-lock-rail small {
  color: #777;
  font-size: .72rem;
  font-weight: 800;
}

.mystery-lock-rail .is-unlocked {
  background: #111;
  color: #fff;
}

.mystery-lock-rail .is-unlocked small {
  color: #fff;
}

.mystery-lock-rail .is-active {
  background: repeating-linear-gradient(-45deg, #fff, #fff 8px, #eee 8px, #eee 16px);
  outline: 3px solid #111;
  outline-offset: -3px;
}

.mystery-lock-rail .is-locked {
  color: #888;
  background: #eee;
}

.mystery-rabbit-hint {
  display: grid;
  grid-template-columns: 180px minmax(0, 1fr);
  gap: 36px;
  align-items: center;
  margin: 0 0 54px;
  padding: 30px 40px;
  border: 2px solid #111;
  background: #f1f1f1;
}

.mystery-rabbit-hint img {
  width: 180px;
  aspect-ratio: 1;
  border: 1px solid #111;
  object-fit: cover;
  filter: grayscale(1);
}

.mystery-rabbit-hint h2 {
  max-width: 720px;
  margin: 8px 0 14px;
  font-size: clamp(1.8rem, 4vw, 3.4rem);
  line-height: 1.12;
  letter-spacing: -.06em;
}

.mystery-rabbit-hint p:last-child {
  margin: 0;
  color: #555;
  line-height: 1.7;
}

.mystery-admin-preview {
  margin: 0;
  padding: 12px 18px;
  border: 1px solid #111;
  border-bottom: 0;
  background: #eee;
  font-weight: 800;
}

.mystery-novel {
  border: 2px solid #111;
  background: #fff;
}

.mystery-novel-cover {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 220px;
  min-height: 360px;
  border-bottom: 2px solid #111;
  overflow: hidden;
}

.mystery-novel-cover > div {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 50px 58px;
}

.mystery-novel-cover h2 {
  margin: 8px 0 20px;
  font-size: clamp(3.4rem, 7vw, 6.4rem);
  line-height: .92;
  letter-spacing: -.08em;
}

.mystery-novel-cover > div > p:last-child {
  margin: 0;
  color: #666;
  font-family: serif;
  font-size: 1.12rem;
}

.mystery-novel-cover img {
  width: 100%;
  height: 100%;
  border-left: 2px solid #111;
  object-fit: cover;
  filter: grayscale(1) contrast(1.05);
}

.mystery-novel-body {
  width: min(760px, calc(100% - 56px));
  margin: 0 auto;
  padding: 64px 0 30px;
}

.mystery-novel-chapter {
  position: relative;
  padding: 0 0 60px 84px;
}

.mystery-novel-chapter + .mystery-novel-chapter {
  padding-top: 56px;
  border-top: 1px solid #999;
}

.mystery-novel-chapter > header {
  display: grid;
  grid-template-columns: 54px minmax(0, 1fr);
  gap: 20px;
  align-items: center;
  margin: 0 0 26px -84px;
}

.mystery-novel-chapter > header span {
  display: grid;
  place-items: center;
  width: 54px;
  aspect-ratio: 1;
  background: #111;
  color: #fff;
  font-weight: 900;
}

.mystery-novel-chapter h3 {
  margin: 0;
  font-size: clamp(1.8rem, 4vw, 2.7rem);
  letter-spacing: -.05em;
}

.mystery-novel-chapter > p {
  margin: 0 0 22px;
  font-family: "Noto Serif KR", "Nanum Myeongjo", Georgia, serif;
  font-size: clamp(1.08rem, 2.2vw, 1.28rem);
  line-height: 2.05;
  word-break: keep-all;
}

.mystery-novel-chapter > p:first-of-type::first-letter {
  float: left;
  margin: .08em .12em 0 0;
  font-family: inherit;
  font-size: 3.8em;
  font-weight: 900;
  line-height: .8;
}

.mystery-novel-suspects {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  margin: 32px 0 0;
  padding: 0;
  border: 1px solid #111;
  list-style: none;
}

.mystery-novel-suspects li {
  display: grid;
  gap: 10px;
  place-items: center;
  min-height: 92px;
  padding: 12px 6px;
  border-right: 1px solid #aaa;
  font-weight: 900;
}

.mystery-novel-suspects li:last-child {
  border-right: 0;
}

.mystery-novel-suspects span {
  color: #777;
  font-size: 1.6rem;
}

.mystery-novel-message {
  margin: 34px 0 0;
  padding: 26px 30px;
  border-left: 8px solid #111;
  background: #eee;
  font-size: 1.22rem;
  font-weight: 800;
  line-height: 1.6;
}

.mystery-novel-ending {
  display: grid;
  gap: 14px;
  padding: 38px 58px;
  border-top: 2px solid #111;
  background: #111;
  color: #fff;
}

.mystery-novel-ending small {
  color: #bbb;
  font-weight: 800;
}

.mystery-novel-ending strong {
  max-width: 760px;
  font-size: clamp(1.6rem, 4vw, 3rem);
  line-height: 1.2;
}

.mystery-novel-ending .primary-button {
  justify-self: start;
  margin-top: 12px;
  border-color: #fff;
  background: #fff;
  color: #111;
}

.mystery-locked-story {
  display: grid;
  grid-template-columns: minmax(240px, .75fr) minmax(0, 1.25fr);
  align-items: stretch;
  border: 2px solid #111;
}

.mystery-locked-story > div:first-child {
  position: relative;
  min-height: 420px;
  overflow: hidden;
  border-right: 2px solid #111;
  background: #eee;
}

.mystery-locked-story > div:first-child > span {
  position: absolute;
  top: -50px;
  left: 20px;
  color: #fff;
  font-size: 20rem;
  font-weight: 950;
  line-height: 1;
}

.mystery-locked-story img {
  position: absolute;
  right: 12px;
  bottom: -8px;
  width: 60%;
  filter: grayscale(1);
}

.mystery-locked-story > div:last-child {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
  padding: 54px;
}

.mystery-locked-story h2 {
  margin: 8px 0 18px;
  font-size: clamp(2.2rem, 5vw, 4.5rem);
  line-height: 1;
  letter-spacing: -.07em;
}

.mystery-locked-story p:not(.eyebrow) {
  margin: 0 0 30px;
  color: #555;
  line-height: 1.7;
}

.mystery-lock-list {
  margin-top: 64px;
  border-top: 3px double #111;
}

.mystery-lock-list > header {
  display: flex;
  align-items: end;
  justify-content: space-between;
  padding: 34px 0 20px;
}

.mystery-lock-list h2 {
  margin: 0;
  font-size: 2.3rem;
}

.mystery-lock-list ol {
  margin: 0;
  padding: 0;
  border-top: 1px solid #111;
  list-style: none;
}

.mystery-lock-list li {
  display: grid;
  grid-template-columns: 56px minmax(0, 1fr) auto;
  gap: 20px;
  align-items: center;
  min-height: 88px;
  border-bottom: 1px solid #aaa;
}

.mystery-lock-list li > span {
  font-size: 1.25rem;
  font-weight: 900;
}

.mystery-lock-list li div {
  display: grid;
  gap: 4px;
}

.mystery-lock-list li small,
.mystery-lock-list li > b {
  color: #777;
}

.mystery-lock-list .is-unlocked > b {
  color: #111;
}

.mystery-milestone {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 20px;
  align-items: center;
  margin: 0 0 28px;
  padding: 18px 22px;
  border: 2px solid #111;
  background: #eee;
}

.mystery-milestone.is-hint {
  grid-template-columns: 72px minmax(0, 1fr) auto;
}

.mystery-milestone img {
  width: 72px;
  aspect-ratio: 1;
  border: 1px solid #111;
  object-fit: cover;
  filter: grayscale(1);
}

.mystery-milestone > div {
  display: grid;
  gap: 4px;
}

.mystery-milestone small {
  color: #666;
  font-weight: 800;
}

.mystery-milestone strong {
  font-size: 1.12rem;
}

.mystery-milestone a {
  display: inline-flex;
  gap: 8px;
  align-items: center;
  color: #111;
  font-weight: 900;
}

.mystery-milestone svg {
  width: 20px;
}

.mystery-report-panel .report-panel-heading > strong {
  font-size: 2rem;
}

.mystery-report-progress {
  display: grid;
  gap: 10px;
  margin-bottom: 22px;
}

.mystery-report-progress span {
  font-weight: 900;
}

.mystery-report-progress small {
  color: #666;
}

@media (max-width: 760px) {
  .mystery-page {
    padding: 18px 0 100px;
  }

  .mystery-hero {
    grid-template-columns: 1fr;
    gap: 28px;
    padding: 30px 24px 24px;
  }

  .mystery-hero-copy h1 {
    font-size: clamp(3.3rem, 17vw, 5.2rem);
  }

  .mystery-hero-number {
    min-width: 0;
    font-size: 5.4rem;
    text-align: left;
  }

  .mystery-season-progress {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .mystery-lock-rail {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }

  .mystery-lock-rail li:nth-child(5) {
    border-right: 0;
  }

  .mystery-lock-rail li:nth-child(n + 6) {
    border-top: 1px solid #aaa;
  }

  .mystery-rabbit-hint {
    grid-template-columns: 92px minmax(0, 1fr);
    gap: 18px;
    padding: 20px;
  }

  .mystery-rabbit-hint img {
    width: 92px;
  }

  .mystery-rabbit-hint h2 {
    font-size: 1.5rem;
  }

  .mystery-novel-cover {
    grid-template-columns: minmax(0, 1fr) 120px;
    min-height: 250px;
  }

  .mystery-novel-cover > div {
    padding: 28px 22px;
  }

  .mystery-novel-cover h2 {
    font-size: clamp(2.6rem, 12vw, 4rem);
  }

  .mystery-novel-body {
    width: calc(100% - 40px);
    padding-top: 44px;
  }

  .mystery-novel-chapter,
  .mystery-novel-chapter + .mystery-novel-chapter {
    padding: 36px 0 42px;
  }

  .mystery-novel-chapter:first-child {
    padding-top: 0;
  }

  .mystery-novel-chapter > header {
    margin-left: 0;
  }

  .mystery-novel-chapter > p {
    font-size: 1.04rem;
    line-height: 1.9;
  }

  .mystery-novel-suspects {
    grid-template-columns: 1fr;
  }

  .mystery-novel-suspects li {
    grid-template-columns: 1fr auto;
    min-height: 52px;
    padding: 10px 14px;
    border-right: 0;
    border-bottom: 1px solid #aaa;
    justify-items: start;
  }

  .mystery-novel-suspects li:last-child {
    border-bottom: 0;
  }

  .mystery-novel-ending {
    padding: 30px 22px;
  }

  .mystery-locked-story {
    grid-template-columns: 1fr;
  }

  .mystery-locked-story > div:first-child {
    min-height: 240px;
    border-right: 0;
    border-bottom: 2px solid #111;
  }

  .mystery-locked-story > div:last-child {
    padding: 32px 24px;
  }

  .mystery-lock-list li {
    grid-template-columns: 38px minmax(0, 1fr);
    gap: 12px;
    padding: 12px 0;
  }

  .mystery-lock-list li > b {
    display: none;
  }

  .mystery-milestone,
  .mystery-milestone.is-hint {
    grid-template-columns: 1fr;
  }

  .mystery-milestone.is-hint img {
    display: none;
  }
}

@media (prefers-reduced-motion: no-preference) {
  .mystery-novel-chapter {
    animation: mystery-prose-in .45s ease both;
  }

  .mystery-novel-chapter:nth-child(2) { animation-delay: .04s; }
  .mystery-novel-chapter:nth-child(3) { animation-delay: .08s; }
  .mystery-novel-chapter:nth-child(4) { animation-delay: .12s; }
  .mystery-novel-chapter:nth-child(5) { animation-delay: .16s; }
}

@keyframes mystery-prose-in {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}

@media (prefers-reduced-motion: reduce) {
  .idiom-mission-cover-image {
    animation: none;
    transform: none;
  }

  .idiom-mission-tabs li > :where(a, span) {
    transition: none;
  }

  .mystery-novel-chapter {
    animation: none;
  }
}
.alice-prologue {
  max-width: 1180px;
  margin: 0 auto;
  padding: clamp(22px, 4vw, 52px) 0 120px;
}

.alice-prologue-head {
  margin-bottom: 22px;
}

.alice-prologue-head h1 {
  max-width: 760px;
  margin: 4px 0 8px;
  font-size: clamp(2.3rem, 6vw, 5.5rem);
  line-height: .92;
  letter-spacing: -.07em;
}

.alice-prologue-head > div > p:last-child {
  margin: 0;
  color: #666;
  font-weight: 700;
}

.alice-prologue-scene {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(360px, .8fr);
  min-height: 610px;
  overflow: hidden;
  border: 2px solid #111;
  background: #fff;
}

.alice-prologue-visual {
  min-width: 0;
  border-right: 2px solid #111;
  background: #fff;
}

.alice-prologue-scene figure {
  position: relative;
  min-height: 520px;
  margin: 0;
  overflow: hidden;
  background: #111;
}

.alice-prologue-scene figure > img {
  width: 100%;
  height: 100%;
  min-height: 610px;
  object-fit: cover;
  filter: grayscale(1) contrast(1.06);
}

.alice-prologue-scenes {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin: 0;
  padding: 0;
  border-top: 2px solid #111;
  list-style: none;
}

.alice-prologue-scenes li + li {
  border-left: 1px solid #aaa;
}

.alice-prologue-scenes button {
  width: 100%;
  min-height: 64px;
  border: 0;
  background: #fff;
  color: #777;
  font: inherit;
  font-size: 1.25rem;
  font-weight: 900;
  cursor: pointer;
}

.alice-prologue-scenes button:hover,
.alice-prologue-scenes button:focus-visible {
  background: #e8e8e8;
  color: #111;
  outline: 3px solid #111;
  outline-offset: -5px;
}

.alice-prologue-scenes button.is-current {
  background: #111;
  color: #fff;
}

.alice-prologue-copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: clamp(28px, 4vw, 58px);
}

.alice-prologue-speaker {
  align-self: flex-start;
  margin: 0 0 20px !important;
  padding: 7px 10px;
  border: 1px solid #111;
  font-size: .8rem !important;
  font-weight: 900;
  letter-spacing: .08em;
}

.alice-prologue-copy h2 {
  margin: 0 0 24px;
  font-size: clamp(2.1rem, 5vw, 4.7rem);
  line-height: .96;
  letter-spacing: -.065em;
}

.alice-prologue-copy > p:not(.alice-prologue-speaker) {
  margin: 0;
  color: #353535;
  font-size: clamp(1rem, 1.65vw, 1.3rem);
  line-height: 1.78;
}

.alice-prologue-copy blockquote {
  margin: 30px 0 0;
  padding: 20px 22px;
  border: 0;
  border-left: 8px solid #111;
  background: #ededed;
  color: #111;
  font-size: clamp(1.05rem, 1.8vw, 1.4rem);
  font-weight: 900;
  line-height: 1.55;
}

.alice-prologue-final-action {
  margin-top: 30px;
}

.alice-prologue-final-action .primary-button {
  width: 100%;
}

.alice-prologue-stakes {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  padding: 18px 22px;
  background: #111;
  color: #fff;
}

.alice-prologue-stakes strong {
  max-width: 760px;
}

.alice-prologue-stakes span {
  flex: 0 0 auto;
  font-weight: 900;
}

.alice-prologue-diary {
  display: grid;
  width: 100%;
  min-height: 610px;
  place-content: center;
  gap: 26px;
  padding: 10%;
  background: repeating-linear-gradient(-6deg, #ece9e0 0 46px, #d8d4ca 47px 49px);
  text-align: center;
}

.alice-prologue-diary > span {
  font-family: serif;
  font-size: clamp(2rem, 6vw, 5.5rem);
  font-weight: 900;
  letter-spacing: .15em;
}

.alice-prologue-diary > i {
  width: min(360px, 70vw);
  height: 2px;
  background: #111;
}

.alice-prologue-diary > b {
  max-width: 520px;
  font-size: clamp(1rem, 2vw, 1.35rem);
  line-height: 1.6;
}

.idiom-clue-reward {
  display: inline-flex;
  width: fit-content;
  margin: 16px 0;
  padding: 10px 14px;
  border: 2px solid #111;
  background: #fff;
  color: #111;
  font-size: 1.05rem;
}

@media (prefers-reduced-motion: no-preference) {
  .alice-prologue-scene {
    animation: alice-prologue-enter .32s ease-out both;
  }
}

@keyframes alice-prologue-enter {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

@media (max-width: 760px) {
  .alice-prologue {
    padding: 16px 0 92px;
  }

  .alice-prologue-head {
    margin-bottom: 18px;
  }

  .alice-prologue-scene {
    grid-template-columns: 1fr;
    min-height: 0;
  }

  .alice-prologue-visual {
    border-right: 0;
    border-bottom: 2px solid #111;
  }

  .alice-prologue-scene figure {
    min-height: 280px;
  }

  .alice-prologue-scene figure > img,
  .alice-prologue-diary {
    min-height: 300px;
  }

  .alice-prologue-copy {
    padding: 28px 22px 34px;
  }

  .alice-prologue-scenes button {
    min-height: 56px;
    font-size: 1.1rem;
  }

  .alice-prologue-stakes {
    display: grid;
  }
}