:root {
  --au-bg: #0b1020;
  --au-bg-2: #131933;
  --au-card: rgba(26, 24, 52, 0.84);
  --au-card-2: rgba(40, 33, 74, 0.78);
  --au-stroke: rgba(255, 255, 255, 0.12);
  --au-text: #f5f2ff;
  --au-muted: #c7c1e7;
  --au-accent: #ffd86a;
  --au-accent-2: #a77dff;
  --au-accent-3: #77d8ff;
  --au-shadow: 0 18px 60px rgba(0, 0, 0, 0.36);
  --au-radius: 22px;
  --au-radius-sm: 16px;
}

html.anima-university-open,
body.anima-university-open {
  overflow: hidden;
}

.anima-university-launcher,
.anima-university-inline-button {
  appearance: none;
  border: 0;
  cursor: pointer;
  color: #fff;
  font: inherit;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  border-radius: 999px;
  background: linear-gradient(135deg, rgba(134, 100, 255, 0.95), rgba(255, 214, 120, 0.95));
  box-shadow: 0 12px 34px rgba(103, 59, 199, 0.35);
  padding: 11px 14px;
  z-index: 9998;
}

.anima-university-launcher {
  position: fixed;
  right: 18px;
  bottom: 22px;
}

.anima-university-launcher--left {
  right: auto;
  left: 18px;
}

.anima-university-launcher__crystal,
.anima-university-launcher__text { pointer-events: none; }

.anima-university-overlay {
  position: fixed;
  inset: 0;
  background: rgba(8, 8, 18, 0.72);
  backdrop-filter: blur(10px);
  z-index: 9997;
  padding: 18px;
}

.anima-university-panel {
  width: min(1600px, 100%);
  height: calc(100vh - 36px);
  margin: 0 auto;
  border-radius: 28px;
  overflow: hidden;
  box-shadow: var(--au-shadow);
  background:
    radial-gradient(circle at top left, rgba(255, 216, 106, 0.16), transparent 28%),
    radial-gradient(circle at top right, rgba(130, 98, 255, 0.18), transparent 32%),
    linear-gradient(180deg, #191733, #0d1122 56%, #0a0d19);
  border: 1px solid rgba(255,255,255,0.1);
}

.anima-university-inline-shell,
.anima-u {
  height: 100%;
  color: var(--au-text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, Arial, sans-serif;
}

.anima-university-embed {
  width: 100%;
  min-height: var(--anima-university-embed-height, 860px);
  height: var(--anima-university-embed-height, 860px);
  border-radius: 28px;
  overflow: hidden;
  box-shadow: var(--au-shadow);
  background:
    radial-gradient(circle at top left, rgba(255, 216, 106, 0.16), transparent 28%),
    radial-gradient(circle at top right, rgba(130, 98, 255, 0.18), transparent 32%),
    linear-gradient(180deg, #191733, #0d1122 56%, #0a0d19);
  border: 1px solid rgba(255,255,255,0.08);
}

.anima-u {
  display: flex;
  flex-direction: column;
  background-image:
    linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 38px 38px;
}

.anima-u__workspace {
  display: grid;
  grid-template-columns: 300px minmax(0, 1fr);
  gap: 18px;
  padding: 0 18px 18px;
  min-height: 0;
  flex: 1;
}

.anima-u__main,
.anima-u__sidebar {
  min-height: 0;
}

.anima-u__main {
  overflow: auto;
  padding-right: 2px;
}

.anima-u__sidebar {
  overflow: auto;
  display: grid;
  align-content: start;
  gap: 16px;
  padding-bottom: 12px;
}

.anima-u__topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px;
  position: sticky;
  top: 0;
  z-index: 6;
  background: linear-gradient(180deg, rgba(15,17,32,0.85), rgba(15,17,32,0.55));
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

.anima-u__brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.anima-u__brand small,
.anima-u__kicker,
.anima-u__eyebrow {
  display: block;
  color: var(--au-accent);
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-bottom: 6px;
}

.anima-u__brand strong {
  font-size: 22px;
  line-height: 1.1;
}

.anima-u__brand-crystal {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border-radius: 16px;
  background: linear-gradient(135deg, rgba(121, 98, 255, 0.85), rgba(255, 216, 106, 0.86));
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.25), 0 8px 25px rgba(80,50,160,0.3);
}

.anima-u__tabs {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.anima-u__tab,
.anima-u__primary,
.anima-u__ghost,
.anima-u__menu-btn,
.anima-u__path-item,
.anima-u__path-large,
.anima-u__mini-chip,
.anima-u__toc-row,
.anima-u__preview-card,
.anima-u__related-card {
  appearance: none;
  border: 1px solid rgba(255,255,255,0.08);
  background: rgba(255,255,255,0.05);
  color: var(--au-text);
  font: inherit;
  cursor: pointer;
  transition: transform .18s ease, border-color .18s ease, background .18s ease, box-shadow .18s ease;
}

.anima-u__tab:hover,
.anima-u__primary:hover,
.anima-u__ghost:hover,
.anima-u__menu-btn:hover,
.anima-u__path-item:hover,
.anima-u__path-large:hover,
.anima-u__mini-chip:hover,
.anima-u__toc-row:hover,
.anima-u__preview-card:hover,
.anima-u__related-card:hover {
  transform: translateY(-1px);
  border-color: rgba(255,216,106,0.45);
}

.anima-u__tab {
  border-radius: 999px;
  padding: 10px 13px;
  font-size: 14px;
}

.anima-u__tab.is-active,
.anima-u__primary {
  background: linear-gradient(135deg, rgba(255,216,106,0.96), rgba(255,190,97,0.9));
  color: #291f09;
  border-color: rgba(255, 216, 106, 0.6);
  font-weight: 700;
}

.anima-u__tab--close {
  background: rgba(255,255,255,0.08);
}

.anima-u__ghost {
  border-radius: 999px;
  padding: 10px 13px;
}

.anima-u__primary:disabled,
.anima-u__ghost:disabled,
.anima-u__tab:disabled,
.anima-u__menu-btn:disabled {
  opacity: 0.45;
  cursor: default;
  transform: none;
}

.anima-u__hero,
.anima-u__panel-card,
.anima-u__side-card,
.anima-u__reader-hero,
.anima-u__plates-head,
.anima-u__plate-banner,
.anima-u__plate,
.anima-u__lesson-card,
.anima-u__featured-card,
.anima-u__toc-group,
.anima-u__article-content,
.anima-u__book-nav,
.anima-u__preview-card {
  background: linear-gradient(180deg, var(--au-card), rgba(16,18,36,0.9));
  border: 1px solid var(--au-stroke);
  border-radius: var(--au-radius);
  box-shadow: var(--au-shadow);
}

.anima-u__hero,
.anima-u__panel-card,
.anima-u__side-card,
.anima-u__reader-hero,
.anima-u__plates-head,
.anima-u__plate-banner,
.anima-u__book-nav,
.anima-u__article-content {
  padding: 22px;
  margin-bottom: 18px;
}

.anima-u__two-col {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.anima-u__hero {
  display: grid;
  grid-template-columns: minmax(0, 1.6fr) minmax(280px, 0.9fr);
  gap: 20px;
}

.anima-u__hero-copy h1,
.anima-u__reader-copy h2,
.anima-u__panel-card h2,
.anima-u__plates-head h2 {
  margin: 0 0 12px;
  font-size: clamp(30px, 4.2vw, 54px);
  line-height: 0.95;
}

.anima-u__reader-copy h2,
.anima-u__panel-card h2,
.anima-u__plates-head h2 {
  font-size: clamp(24px, 2.5vw, 36px);
  line-height: 1.05;
}

.anima-u__hero p,
.anima-u__panel-card p,
.anima-u__reader-copy p,
.anima-u__plate p,
.anima-u__featured-body p,
.anima-u__toc-card p,
.anima-u__muted,
.anima-u__lesson-body p {
  color: var(--au-muted);
  line-height: 1.55;
}

.anima-u__search-row {
  display: flex;
  gap: 10px;
  margin: 18px 0 12px;
}

.anima-u__search-row input,
.anima-u__voice-grid select {
  width: 100%;
  border: 1px solid rgba(255,255,255,0.1);
  background: rgba(0,0,0,0.26);
  color: var(--au-text);
  border-radius: 999px;
  padding: 14px 16px;
  outline: none;
  font: inherit;
}

.anima-u__search-row--wide input {
  border-radius: 20px;
}

.anima-u__search-row--compact {
  margin: 0;
}

.anima-u__button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
}

.anima-u__button-row--compact .anima-u__primary,
.anima-u__button-row--compact .anima-u__ghost {
  padding: 9px 12px;
  font-size: 14px;
}

.anima-u__book-3d {
  width: 140px;
  height: 180px;
  border-radius: 16px 8px 8px 16px;
  background: linear-gradient(135deg, #7d58ff, #ae65ff, #ffc966);
  position: relative;
  box-shadow: 16px 18px 40px rgba(0,0,0,.35);
  transform: perspective(900px) rotateY(-18deg);
  display: grid;
  place-items: center;
  margin-left: auto;
}

.anima-u__book-3d::after {
  content: "";
  position: absolute;
  right: -14px;
  top: 8px;
  bottom: 8px;
  width: 16px;
  border-radius: 0 8px 8px 0;
  background: linear-gradient(180deg, rgba(255,255,255,0.75), rgba(215,215,255,0.28));
}

.anima-u__book-3d span {
  font-weight: 800;
  letter-spacing: .06em;
  text-align: center;
  color: #fff6de;
  line-height: 1.1;
}

.anima-u__hero-book {
  display: grid;
  align-content: start;
  gap: 18px;
}

.anima-u__stats-grid,
.anima-u__mini-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.anima-u__stats-grid > div,
.anima-u__mini-stats > div {
  border-radius: 18px;
  padding: 16px;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.08);
}

.anima-u__stats-grid strong,
.anima-u__mini-stats strong {
  display: block;
  font-size: 30px;
  line-height: 1;
  margin-bottom: 6px;
}

.anima-u__stats-grid span,
.anima-u__mini-stats span {
  color: var(--au-muted);
  font-size: 13px;
}

.anima-u__panel-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 12px;
}

.anima-u__preview-grid,
.anima-u__lesson-grid,
.anima-u__path-grid,
.anima-u__progress-grid,
.anima-u__plate-grid,
.anima-u__toc-groups {
  display: grid;
  gap: 16px;
}

.anima-u__preview-grid {
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.anima-u__preview-grid--plates {
  margin-bottom: 18px;
}

.anima-u__lesson-grid {
  grid-template-columns: repeat(auto-fit, minmax(290px, 1fr));
  margin-bottom: 18px;
}

.anima-u__path-grid,
.anima-u__progress-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.anima-u__plate-grid {
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

.anima-u__featured-card,
.anima-u__lesson-card {
  overflow: hidden;
}

.anima-u__featured-image,
.anima-u__lesson-image,
.anima-u__reader-image {
  min-height: 170px;
  background-size: cover;
  background-position: center;
  background-color: rgba(255,255,255,0.06);
}

.anima-u__reader-hero {
  display: grid;
  grid-template-columns: minmax(240px, 360px) minmax(0, 1fr);
  gap: 20px;
}

.anima-u__reader-image {
  border-radius: 18px;
}

.anima-u__reader-image--empty,
.anima-u__lesson-image--empty,
.anima-u__featured-image.is-empty {
  display: grid;
  place-items: center;
  font-size: 54px;
}

.anima-u__lesson-body,
.anima-u__featured-body {
  padding: 18px;
}

.anima-u__lesson-meta {
  margin: 0 0 8px;
  color: var(--au-accent);
  font-size: 13px;
  font-weight: 700;
}

.anima-u__lesson-body h3,
.anima-u__featured-body h3,
.anima-u__plate h4,
.anima-u__preview-card strong,
.anima-u__plate-banner h3 {
  margin: 0 0 10px;
  font-size: 24px;
  line-height: 1.08;
}

.anima-u__featured-body h3,
.anima-u__plate h4,
.anima-u__preview-card strong,
.anima-u__plate-banner h3 {
  font-size: 20px;
}

.anima-u__chip-cloud,
.anima-u__plate-strip,
.anima-u__voice-grid,
.anima-u__button-stack,
.anima-u__path-list,
.anima-u__toc-preview,
.anima-u__toc-mini {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.anima-u__voice-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  margin-bottom: 10px;
}

.anima-u__voice-grid label {
  display: grid;
  gap: 6px;
  color: var(--au-muted);
  font-size: 13px;
}

.anima-u__mini-chip {
  border-radius: 999px;
  padding: 8px 12px;
  font-size: 13px;
}

.anima-u__mini-chip span {
  opacity: .7;
  margin-left: 4px;
}

.anima-u__plate-strip span {
  border-radius: 999px;
  background: rgba(255,255,255,0.06);
  padding: 8px 10px;
  font-size: 12px;
  color: var(--au-muted);
}

.anima-u__path-item,
.anima-u__path-large,
.anima-u__menu-btn,
.anima-u__preview-card,
.anima-u__toc-row {
  width: 100%;
  border-radius: 18px;
  padding: 14px;
  text-align: left;
}

.anima-u__menu-btn {
  display: flex;
  justify-content: space-between;
  gap: 12px;
}

.anima-u__menu-btn span,
.anima-u__path-item span,
.anima-u__path-large span,
.anima-u__preview-card small {
  display: block;
  color: var(--au-muted);
  font-size: 13px;
  margin-top: 4px;
}

.anima-u__path-large strong,
.anima-u__path-item b,
.anima-u__preview-card strong {
  display: block;
}

.anima-u__book-layout {
  display: grid;
  grid-template-columns: 280px minmax(0, 1fr);
  gap: 18px;
}

.anima-u__book-main {
  min-width: 0;
}

.anima-u__toc-mini,
.anima-u__toc-preview {
  flex-direction: column;
}

.anima-u__toc-row {
  display: flex;
  align-items: flex-start;
  gap: 10px;
}

.anima-u__toc-row.is-active,
.anima-u__preview-card.is-active,
.anima-u__plate.is-selected {
  border-color: rgba(255,216,106,0.52);
  background: linear-gradient(180deg, rgba(255,216,106,0.18), rgba(109,77,182,0.14));
}

.anima-u__toc-row span {
  color: var(--au-accent);
  min-width: 28px;
}

.anima-u__plate-banner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 18px;
  align-items: center;
}

.anima-u__plates-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 20px;
  align-items: center;
}

.anima-u__plate-orb {
  width: 100px;
  height: 100px;
  border-radius: 50%;
  background: radial-gradient(circle at 32% 28%, rgba(255,255,255,.96), rgba(204,173,255,.5) 28%, rgba(152,105,255,.82) 62%, rgba(89,56,158,.92));
  color: white;
  display: grid;
  place-items: center;
  text-align: center;
  box-shadow: inset 0 0 16px rgba(255,255,255,0.24), 0 18px 35px rgba(85,49,165,0.35);
}

.anima-u__plate-orb strong {
  display: block;
  font-size: 34px;
  line-height: 1;
}

.anima-u__plate-orb span {
  display: block;
  opacity: 0.85;
}

.anima-u__plate-progress {
  height: 8px;
  border-radius: 999px;
  background: rgba(255,255,255,0.08);
  overflow: hidden;
  margin: 0 0 18px;
}

.anima-u__plate-progress span,
.anima-u__mastery-bar span {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, #ffb85f, #ffd96c, #7ce0ff);
}

.anima-u__plate {
  padding: 18px;
}

.anima-u__plate-top {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: var(--au-accent);
  margin-bottom: 10px;
}

.anima-u__plate-top em {
  margin-left: auto;
  color: var(--au-muted);
  font-style: normal;
}

.anima-u__article-content {
  line-height: 1.7;
}

.anima-u__article-content > *:first-child {
  margin-top: 0;
}

.anima-u__article-content h1,
.anima-u__article-content h2,
.anima-u__article-content h3,
.anima-u__article-content h4 {
  color: #fff7c7;
  line-height: 1.15;
  margin-top: 1.55em;
}

.anima-u__article-content a {
  color: #a7e4ff;
}

.anima-u__article-content p,
.anima-u__article-content li,
.anima-u__article-content blockquote {
  color: var(--au-text);
}

.anima-u__article-content img {
  max-width: 100%;
  height: auto;
  border-radius: 16px;
}

.anima-u__toc-card {
  padding: 12px;
  border-radius: 18px;
  border: 1px solid rgba(255,255,255,0.08);
  background: rgba(255,255,255,0.04);
}

.anima-u__mastery-bar {
  height: 14px;
  border-radius: 999px;
  background: rgba(255,255,255,0.08);
  overflow: hidden;
  margin: 14px 0 16px;
}

.anima-u__pager {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 4px 20px;
  color: var(--au-muted);
}

.anima-u__empty,
.anima-u__loading,
.anima-u__error {
  display: grid;
  place-items: center;
  min-height: 260px;
  text-align: center;
  border-radius: var(--au-radius);
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.08);
  padding: 24px;
  margin-bottom: 18px;
}

.anima-u__spinner {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 3px solid rgba(255,255,255,0.12);
  border-top-color: var(--au-accent);
  animation: anima-u-spin 0.9s linear infinite;
  margin-bottom: 12px;
}

@keyframes anima-u-spin {
  to { transform: rotate(360deg); }
}

.anima-u__tilt {
  transform: perspective(900px) rotateX(var(--tilt-x, 0deg)) rotateY(var(--tilt-y, 0deg));
  transform-style: preserve-3d;
  transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
  position: relative;
  overflow: hidden;
}

.anima-u__tilt::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at var(--glow-x, 50%) var(--glow-y, 50%), rgba(255,255,255,0.12), transparent 32%);
  pointer-events: none;
}

.anima-u__main::-webkit-scrollbar,
.anima-u__sidebar::-webkit-scrollbar {
  width: 10px;
}

.anima-u__main::-webkit-scrollbar-thumb,
.anima-u__sidebar::-webkit-scrollbar-thumb {
  background: rgba(255,255,255,0.18);
  border-radius: 999px;
}

@media (max-width: 1180px) {
  .anima-u__workspace,
  .anima-u__book-layout,
  .anima-u__hero,
  .anima-u__reader-hero,
  .anima-u__two-col,
  .anima-u__plates-head,
  .anima-u__plate-banner {
    grid-template-columns: 1fr;
  }

  .anima-u__workspace {
    grid-template-columns: 1fr;
  }

  .anima-u__sidebar {
    order: 2;
  }

  .anima-u__main {
    order: 1;
  }
}

@media (max-width: 780px) {
  .anima-university-overlay {
    padding: 10px;
  }

  .anima-university-panel {
    height: calc(100vh - 20px);
    border-radius: 22px;
  }

  .anima-u__topbar {
    padding: 14px;
  }

  .anima-u__workspace {
    padding: 0 12px 12px;
    gap: 12px;
  }

  .anima-u__hero,
  .anima-u__panel-card,
  .anima-u__reader-hero,
  .anima-u__plates-head,
  .anima-u__plate-banner,
  .anima-u__article-content,
  .anima-u__book-nav {
    padding: 16px;
  }

  .anima-u__tabs {
    justify-content: flex-start;
  }

  .anima-u__tab {
    font-size: 13px;
    padding: 9px 11px;
  }

  .anima-u__search-row,
  .anima-u__button-row {
    flex-direction: column;
    align-items: stretch;
  }

  .anima-u__search-row .anima-u__primary,
  .anima-u__button-row .anima-u__primary,
  .anima-u__button-row .anima-u__ghost {
    width: 100%;
    text-align: center;
    justify-content: center;
  }

  .anima-u__stats-grid,
  .anima-u__mini-stats,
  .anima-u__path-grid,
  .anima-u__progress-grid {
    grid-template-columns: 1fr;
  }

  .anima-u__lesson-grid,
  .anima-u__preview-grid,
  .anima-u__plate-grid {
    grid-template-columns: 1fr;
  }

  .anima-university-launcher {
    right: 12px;
    bottom: 12px;
    padding: 10px 12px;
  }

  .anima-university-launcher__text {
    display: none;
  }
}

/* v1.15.1 — deeper textbook / reader refinements */
.anima-u__ghost.is-active {
  border-color: rgba(255,216,106,0.58);
  background: linear-gradient(180deg, rgba(255,216,106,0.20), rgba(255,255,255,0.06));
  color: #fff7ca;
}

.anima-u__lesson-progress-strip {
  height: 10px;
  border-radius: 999px;
  background: rgba(255,255,255,0.08);
  overflow: hidden;
  margin: -6px 0 18px;
  box-shadow: inset 0 1px 6px rgba(0,0,0,.25);
}

.anima-u__lesson-progress-strip span {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, #ff8bc9, #ffd86a, #79e3ff);
}

.anima-u__reader-settings {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 18px;
  padding: 16px 18px;
  margin-bottom: 18px;
  background: linear-gradient(180deg, rgba(255,255,255,0.075), rgba(255,255,255,0.035));
  border: 1px solid rgba(255,255,255,0.10);
  border-radius: var(--au-radius);
  box-shadow: 0 14px 45px rgba(0,0,0,.24);
}

.anima-u__reader-settings strong {
  display: block;
  font-size: 17px;
  color: var(--au-text);
}

.anima-u__reader-settings span {
  display: block;
  color: var(--au-muted);
  font-size: 13px;
  margin-top: 3px;
}

.anima-u__book-page {
  position: relative;
  min-height: 620px;
  padding: clamp(28px, 5vw, 60px);
  margin-bottom: 18px;
  border-radius: 28px 18px 18px 28px;
  color: #241a2e;
  background:
    linear-gradient(90deg, rgba(90,58,129,.22) 0 22px, transparent 22px),
    linear-gradient(180deg, #fff9ef, #f2e6d1 58%, #ead9bf);
  border: 1px solid rgba(255,255,255,0.34);
  box-shadow:
    inset 18px 0 35px rgba(93,66,118,.14),
    inset -12px 0 28px rgba(0,0,0,.08),
    0 28px 78px rgba(0,0,0,.34);
  overflow: hidden;
  font-size: calc(1rem * var(--au-font-scale, 1));
}

.anima-u__book-page::before {
  content: "";
  position: absolute;
  inset: 12px;
  border: 1px solid rgba(65,38,84,.18);
  border-radius: 22px 14px 14px 22px;
  pointer-events: none;
}

.anima-u__book-page::after {
  content: "";
  position: absolute;
  left: 26px;
  top: 0;
  bottom: 0;
  width: 1px;
  background: rgba(96,61,124,.20);
  box-shadow: 4px 0 0 rgba(96,61,124,.08), 8px 0 0 rgba(96,61,124,.04);
}

.anima-u__page-header,
.anima-u__page-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  color: rgba(55,36,72,.62);
  font-size: .88em;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: .14em;
  position: relative;
  z-index: 1;
}

.anima-u__page-body {
  position: relative;
  z-index: 1;
  padding: clamp(34px, 5vw, 64px) 0;
  max-width: 900px;
  margin: 0 auto;
}

.anima-u__page-body .anima-u__kicker {
  color: #8d6229;
}

.anima-u__page-body h1 {
  color: #201329;
  font-size: clamp(34px, 5vw, 64px);
  line-height: .98;
  margin: 0 0 22px;
  letter-spacing: -.03em;
}

.anima-u__page-body p {
  color: #35263f;
  font-size: calc(1.16rem * var(--au-font-scale, 1));
  line-height: 1.72;
  margin: 0;
}

.anima-u__page-footer {
  border-top: 1px solid rgba(55,36,72,.15);
  padding-top: 20px;
}

.anima-u__book-page .anima-u__ghost {
  color: #2a1d36;
  border-color: rgba(55,36,72,.18);
  background: rgba(255,255,255,.46);
}

.anima-u__book-page .anima-u__primary {
  color: #281b0b;
}

.anima-u__reader-dock {
  position: sticky;
  bottom: 12px;
  z-index: 4;
  width: min(680px, calc(100% - 24px));
  margin: 0 auto 6px;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 10px;
  padding: 10px;
  border-radius: 999px;
  background: rgba(12, 12, 28, .82);
  border: 1px solid rgba(255,255,255,.12);
  box-shadow: 0 18px 55px rgba(0,0,0,.38);
  backdrop-filter: blur(12px);
}

.anima-u__reader-dock button {
  border: 1px solid rgba(255,255,255,.14);
  border-radius: 999px;
  padding: 9px 12px;
  color: var(--au-text);
  background: rgba(255,255,255,.07);
  cursor: pointer;
}

.anima-u__reader-dock button:last-child {
  color: #211709;
  background: linear-gradient(135deg, rgba(255,216,106,.96), rgba(255,190,97,.92));
}

.anima-u__reader-dock button:disabled {
  opacity: .42;
  cursor: default;
}

.anima-u__reader-dock span {
  color: var(--au-muted);
  font-weight: 700;
  white-space: nowrap;
}

.anima-u__book-shell.is-focus-mode .anima-u__reader-hero,
.anima-u__book-shell.is-focus-mode .anima-u__plate-banner,
.anima-u__book-shell.is-focus-mode .anima-u__preview-grid--plates,
.anima-u__book-shell.is-focus-mode .anima-u__book-nav,
.anima-u__book-shell.is-focus-mode .anima-u__panel-card {
  display: none;
}

.anima-u__book-shell.is-focus-mode .anima-u__book-layout {
  grid-template-columns: 1fr;
}

.anima-u__book-shell.is-focus-mode .anima-u__book-page {
  max-width: 980px;
  margin-left: auto;
  margin-right: auto;
}

.anima-u__book-shell.is-full-mode .anima-u__article-content {
  font-size: calc(1rem * var(--au-font-scale, 1));
}

@media (max-width: 780px) {
  .anima-u__reader-settings {
    align-items: stretch;
    flex-direction: column;
  }

  .anima-u__book-page {
    min-height: 520px;
    padding: 28px 22px;
    border-radius: 22px;
  }

  .anima-u__page-body {
    padding: 34px 0;
  }

  .anima-u__page-header,
  .anima-u__page-footer,
  .anima-u__reader-dock {
    flex-wrap: wrap;
  }

  .anima-u__reader-dock {
    border-radius: 22px;
    width: calc(100% - 12px);
  }

  .anima-u__reader-dock button,
  .anima-u__reader-dock span {
    flex: 1 1 auto;
    text-align: center;
  }
}

/* v1.15.2 — navigation, scroll, ToC, and ANIMA Audio repair layer */
.anima-u,
.anima-university-inline-shell,
.anima-university-panel {
  min-height: 0;
}

.anima-u {
  overflow: hidden;
}

.anima-u__workspace {
  height: calc(100% - 78px);
  overflow: hidden;
  align-items: stretch;
}

.anima-u__main,
.anima-u__sidebar {
  max-height: 100%;
  overscroll-behavior: contain;
  scrollbar-gutter: stable;
  -webkit-overflow-scrolling: touch;
}

.anima-u__main {
  overflow-y: auto !important;
  overflow-x: hidden;
  scroll-behavior: smooth;
}

.anima-u__sidebar {
  overflow-y: auto !important;
  overflow-x: hidden;
}

.anima-u__toc-header {
  position: sticky;
  top: 0;
  z-index: 5;
  backdrop-filter: blur(12px);
}

.anima-u__toc-groups {
  grid-template-columns: repeat(auto-fit, minmax(310px, 1fr));
  align-items: start;
  align-content: start;
  padding-bottom: 80px;
}

.anima-u__toc-group {
  padding: 18px;
  overflow: visible !important;
  height: auto !important;
  min-height: 0 !important;
}

.anima-u__toc-group h3 {
  margin: 0 0 12px;
  color: var(--au-accent);
  font-size: 26px;
}

.anima-u__toc-preview,
.anima-u__toc-mini {
  display: grid !important;
  grid-template-columns: 1fr;
  align-content: start;
  max-height: none !important;
  overflow: visible !important;
}

.anima-u__toc-mini {
  max-height: 44vh !important;
  overflow-y: auto !important;
  padding-right: 4px;
}

.anima-u__toc-card {
  min-height: 0;
}

.anima-u__toc-row {
  min-height: 46px;
}

.anima-u__audio-control-row {
  display: grid;
  grid-template-columns: 1.2fr .8fr .8fr;
  gap: 8px;
  margin-bottom: 10px;
}

.anima-u__audio-primary,
.anima-u__audio-btn {
  border: 1px solid rgba(255,255,255,.14);
  border-radius: 999px;
  padding: 10px 12px;
  cursor: pointer;
  font-weight: 800;
}

.anima-u__audio-primary {
  color: #211709;
  background: linear-gradient(135deg, rgba(255,216,106,.96), rgba(255,190,97,.92));
  box-shadow: 0 12px 28px rgba(255,198,88,.16);
}

.anima-u__audio-btn {
  color: var(--au-text);
  background: rgba(255,255,255,.07);
}

.anima-u__fallback-details {
  margin-top: 10px;
  border-top: 1px solid rgba(255,255,255,.08);
  padding-top: 10px;
}

.anima-u__fallback-details summary {
  cursor: pointer;
  color: var(--au-muted);
  font-size: 13px;
  font-weight: 700;
}

.anima-u__reader-dock {
  width: min(840px, calc(100% - 24px));
}

.anima-u__reader-dock button {
  white-space: nowrap;
}

.anima-u__tab--audio,
.anima-u__ghost--audio {
  box-shadow: 0 0 0 1px rgba(255,216,106,.16), 0 8px 26px rgba(255,216,106,.08);
}

@media (max-width: 1180px) {
  .anima-u__workspace {
    height: calc(100% - 118px);
  }

  .anima-u__toc-mini {
    max-height: 260px !important;
  }
}

@media (max-width: 780px) {
  .anima-u__workspace {
    height: calc(100% - 160px);
  }

  .anima-u__panel-head {
    display: grid;
  }

  .anima-u__audio-control-row {
    grid-template-columns: 1fr;
  }

  .anima-u__reader-dock {
    position: sticky;
    bottom: 8px;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    border-radius: 20px;
  }

  .anima-u__reader-dock span {
    grid-column: 1 / -1;
    text-align: center;
  }
}