/* ============================================================
   VƯƠNG QUỐC ĐỘT PHÁ — Ebook stylesheet
   Aesthetic: aged parchment, fantasy ink, manga-style placeholders
   ============================================================ */

:root {
  --parchment: #ede0c2;
  --parchment-deep: #ddc99e;
  --parchment-shadow: #b8a17a;
  --ink: #1a0f08;
  --ink-soft: #3a2818;
  --ink-faded: #6e5a40;
  --gold: #b08534;
  --gold-deep: #785218;
  --bronze: #8a5a28;
  --bronze-deep: #4a2f14;
  --copper: #a86838;
  --blood: #6e1f1a;
  --forest: #2a3e2e;
  --shadow-deep: #0a0604;

  --serif-display: "Cinzel", "Cormorant Garamond", serif;
  --serif-body: "Cormorant Garamond", "EB Garamond", Georgia, serif;
  --hand: "Caveat", "Comic Neue", cursive;
  --mono: "JetBrains Mono", ui-monospace, monospace;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: #0a0604;
  color: var(--ink);
  font-family: var(--serif-body);
  font-size: 24px;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

/* Global app backdrop — dark tavern atmosphere */
.app {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background:
    /* faint dragon silhouette in deep background */
    url("assets/middle-earth-watermark.svg"),
    radial-gradient(ellipse at top, #2a1a0a, #050302 60%),
    radial-gradient(ellipse at 80% 100%, rgba(110, 31, 26, 0.18), transparent 60%);
  background-blend-mode: soft-light, normal, normal;
  background-size: 800px auto, auto, auto;
  background-position: center, center, center;
  background-repeat: repeat, no-repeat, no-repeat;
}

/* Top variation toggle */
.toggle-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 28px;
  border-bottom: 2px solid var(--bronze-deep);
  background:
    linear-gradient(180deg, #1a0f06 0%, #2a1810 50%, #1a0f06 100%);
  box-shadow:
    inset 0 -1px 0 rgba(168, 132, 58, 0.2),
    0 4px 12px rgba(0,0,0,0.4);
}
.toggle-bar .brand {
  font-family: var(--serif-display);
  font-weight: 600;
  letter-spacing: 0.18em;
  color: var(--gold);
  font-size: 12px;
  text-transform: uppercase;
  white-space: nowrap;
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: 0;
}
.toggle-bar .brand .glyph { color: var(--copper); margin-right: 4px; font-size: 16px; }

/* X5 home link — top-left, gold-on-black favicon as button */
.x5-home-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid var(--bronze);
  background: #0a0604;
  margin-right: 14px;
  flex-shrink: 0;
  overflow: hidden;
  transition: transform 160ms ease, box-shadow 160ms ease, border-color 160ms ease;
  text-decoration: none;
}
.x5-home-link:hover {
  transform: translateY(-1px);
  border-color: var(--gold);
  box-shadow: 0 4px 14px rgba(168, 132, 58, 0.4);
}
.x5-home-link img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.variation-toggle {
  display: inline-flex;
  border: 1px solid rgba(168, 132, 58, 0.4);
  border-radius: 999px;
  overflow: hidden;
  background: rgba(0,0,0,0.3);
}
.variation-toggle button {
  background: transparent;
  border: 0;
  color: var(--parchment);
  font-family: var(--serif-display);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  padding: 8px 18px;
  cursor: pointer;
  opacity: 0.6;
  white-space: nowrap;
}
.variation-toggle button.active {
  background: var(--gold);
  color: var(--shadow-deep);
  opacity: 1;
}

.toolbar-right {
  display: flex;
  gap: 10px;
  align-items: center;
}
.tool-btn {
  background: transparent;
  border: 1px solid rgba(168, 132, 58, 0.35);
  color: var(--parchment);
  padding: 6px 12px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  cursor: pointer;
  border-radius: 2px;
  text-transform: uppercase;
  white-space: nowrap;
}
.tool-btn:hover { background: rgba(168, 132, 58, 0.15); }
.tool-btn.bookmarked { background: var(--blood); border-color: var(--blood); color: var(--parchment); }

/* ---------- Font experimenter panel ---------- */
.font-panel {
  position: absolute;
  top: 64px;
  right: 28px;
  width: 360px;
  max-height: calc(100vh - 100px);
  background: linear-gradient(180deg, #1f1509, #0f0a05);
  border: 1px solid rgba(168, 132, 58, 0.4);
  z-index: 100;
  display: flex;
  flex-direction: column;
  box-shadow: 0 20px 40px rgba(0,0,0,0.6);
  color: var(--parchment);
}
.font-panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 18px;
  border-bottom: 1px solid rgba(168, 132, 58, 0.3);
  font-family: var(--serif-display);
  font-size: 12px;
  letter-spacing: 0.25em;
  color: var(--gold);
  text-transform: uppercase;
}
.font-panel-body {
  overflow-y: auto;
  padding: 8px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  scrollbar-width: thin;
  scrollbar-color: var(--gold-deep) transparent;
}
.font-option {
  background: transparent;
  border: 1px solid transparent;
  color: var(--parchment);
  padding: 10px 12px;
  cursor: pointer;
  text-align: left;
  display: grid;
  grid-template-columns: 100px 1fr;
  gap: 12px;
  align-items: center;
  font-family: inherit;
}
.font-option:hover { background: rgba(168, 132, 58, 0.08); border-color: rgba(168, 132, 58, 0.2); }
.font-option.active {
  background: rgba(168, 132, 58, 0.15);
  border-color: var(--gold);
}
.font-option-preview {
  font-size: 22px;
  line-height: 1.1;
  color: var(--gold);
  letter-spacing: 0.05em;
  border-right: 1px solid rgba(168, 132, 58, 0.2);
  padding-right: 12px;
  text-align: center;
  min-width: 0;
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
}
.font-option.active .font-option-preview { color: var(--parchment); }
.font-option-meta {
  display: flex;
  flex-direction: column;
  min-width: 0;
}
.font-option-label {
  font-family: var(--serif-display);
  font-size: 11px;
  letter-spacing: 0.15em;
  color: var(--gold);
  text-transform: uppercase;
  margin-bottom: 2px;
  display: flex;
  align-items: center;
  gap: 6px;
}
.vn-warn {
  font-family: var(--mono);
  font-size: 8.5px;
  letter-spacing: 0.1em;
  color: var(--blood);
  background: rgba(122, 42, 34, 0.18);
  padding: 1px 5px;
  border-radius: 2px;
  cursor: help;
}
.font-option-note {
  font-family: var(--serif-body);
  font-size: 12px;
  color: rgba(241, 231, 208, 0.6);
  font-style: italic;
  line-height: 1.4;
}

/* ---------- Stage ---------- */
.stage {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 36px 24px 24px;
  position: relative;
}

/* Nav arrows */
.nav-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(0,0,0,0.4);
  border: 1px solid rgba(168, 132, 58, 0.4);
  color: var(--parchment);
  width: 48px;
  height: 64px;
  font-family: var(--serif-display);
  font-size: 24px;
  cursor: pointer;
  z-index: 10;
}
.nav-arrow:hover { background: rgba(168, 132, 58, 0.2); }
.nav-arrow.prev { left: 16px; }
.nav-arrow.next { right: 16px; }
.nav-arrow:disabled { opacity: 0.25; cursor: not-allowed; }

/* Page counter */
.page-counter {
  position: absolute;
  bottom: 14px;
  left: 50%;
  transform: translateX(-50%);
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  color: var(--gold);
  opacity: 0.7;
  text-transform: uppercase;
}

/* ---------- Book paper ---------- */
.paper {
  background: var(--parchment);
  background-image:
    url("assets/middle-earth-watermark.svg"),
    radial-gradient(circle at 20% 30%, rgba(168, 132, 58, 0.10), transparent 50%),
    radial-gradient(circle at 80% 70%, rgba(122, 42, 34, 0.06), transparent 50%),
    radial-gradient(circle at 50% 100%, rgba(74, 47, 20, 0.12), transparent 60%),
    url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='200' height='200'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2'/><feColorMatrix values='0 0 0 0 0.55  0 0 0 0 0.42  0 0 0 0 0.22  0 0 0 0.08 0'/></filter><rect width='200' height='200' filter='url(%23n)'/></svg>");
  background-size: 520px auto, auto, auto, auto, auto;
  background-position: center, center, center, center, center;
  background-repeat: repeat, no-repeat, no-repeat, no-repeat, repeat;
  background-blend-mode: multiply, normal, normal, normal, normal;
  color: var(--ink);
  position: relative;
  box-shadow:
    0 30px 60px rgba(0,0,0,0.7),
    0 0 0 1px rgba(74, 47, 20, 0.4);
}

/* ============================================================
   LAYOUT A — Open book spread
   ============================================================ */
.book-spread {
  display: grid;
  grid-template-columns: 1fr 1fr;
  width: min(1320px, 94vw);
  height: min(86vh, calc((94vw) * 0.62));
  position: relative;
}
.book-spread::before {
  /* gáy sách / spine shadow */
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 60px;
  transform: translateX(-50%);
  background: linear-gradient(90deg,
    transparent 0%,
    rgba(0,0,0,0.0) 20%,
    rgba(0,0,0,0.35) 50%,
    rgba(0,0,0,0.0) 80%,
    transparent 100%);
  pointer-events: none;
  z-index: 5;
}
.book-spread .paper {
  padding: 34px 44px 40px;
  overflow-y: auto;
  overflow-x: hidden;
  scrollbar-width: thin;
  scrollbar-color: var(--parchment-shadow) transparent;
}
.book-spread .paper::-webkit-scrollbar { width: 6px; }
.book-spread .paper::-webkit-scrollbar-track { background: transparent; }
.book-spread .paper::-webkit-scrollbar-thumb {
  background: var(--parchment-shadow);
  border-radius: 3px;
}
.book-spread .paper.left  { border-right: 1px solid rgba(168, 132, 58, 0.25); }
.book-spread .paper.left::after,
.book-spread .paper.right::after {
  content: "";
  position: absolute;
  inset: 16px;
  border: 1px solid rgba(168, 132, 58, 0.3);
  pointer-events: none;
}

/* Page number in book */
.folio {
  position: absolute;
  bottom: 22px;
  font-family: var(--serif-display);
  font-size: 11px;
  letter-spacing: 0.25em;
  color: var(--ink-faded);
}
.book-spread .paper.left .folio { left: 44px; }
.book-spread .paper.right .folio { right: 44px; }

/* ============================================================
   LAYOUT B — Long scroll (cuộn giấy dài)
   ============================================================ */
.long-scroll-layout {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 28px;
  width: min(1180px, 94vw);
  height: 82vh;
  position: relative;
}

/* keep the legacy single-page class for any future reuse */
.scroll-layout {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 24px;
  width: min(1180px, 94vw);
  height: 80vh;
}
.scroll-toc {
  background: linear-gradient(180deg, #1f1509, #0f0a05);
  border: 1px solid rgba(168, 132, 58, 0.3);
  padding: 24px 20px;
  color: var(--parchment);
  overflow-y: auto;
  font-family: var(--serif-body);
  align-self: start;
  max-height: 82vh;
  position: sticky;
  top: 0;
}
.scroll-toc h3 {
  font-family: var(--serif-display);
  font-size: 12px;
  letter-spacing: 0.25em;
  color: var(--gold);
  margin: 0 0 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid rgba(168, 132, 58, 0.3);
  text-transform: uppercase;
}
.scroll-toc ol {
  list-style: none;
  padding: 0;
  margin: 0;
}
.scroll-toc li {
  padding: 10px 8px;
  font-size: 18px;
  cursor: pointer;
  border-left: 2px solid transparent;
  padding-left: 14px;
  color: rgba(241, 231, 208, 0.7);
  display: flex;
  justify-content: space-between;
  gap: 10px;
  line-height: 1.45;
}
.scroll-toc li:hover { color: var(--parchment); border-left-color: rgba(168, 132, 58, 0.4); }
.scroll-toc li.active { color: var(--gold); border-left-color: var(--gold); font-weight: 600; }
.scroll-toc li .folio-mini { font-family: var(--mono); font-size: 14px; opacity: 0.7; }
.scroll-toc li.sub { padding-left: 28px; font-size: 16px; opacity: 0.75; }

.scroll-layout .paper {
  padding: 44px 64px;
  overflow-y: auto;
}
.scroll-layout .paper::after {
  content: "";
  position: absolute;
  inset: 16px;
  border: 1px solid rgba(168, 132, 58, 0.25);
  pointer-events: none;
}

/* ---------- Long scroll paper (cuộn giấy) ---------- */
.long-scroll-paper-wrap {
  position: relative;
  overflow-y: auto;
  max-height: 82vh;
  scrollbar-width: thin;
  scrollbar-color: var(--parchment-shadow) transparent;
}
.long-scroll-paper-wrap::-webkit-scrollbar { width: 8px; }
.long-scroll-paper-wrap::-webkit-scrollbar-track { background: rgba(0,0,0,0.2); }
.long-scroll-paper-wrap::-webkit-scrollbar-thumb {
  background: var(--parchment-shadow);
  border-radius: 4px;
}

.long-scroll-paper {
  background: var(--parchment);
  background-image:
    url("assets/middle-earth-watermark.svg"),
    radial-gradient(circle at 20% 5%, rgba(168, 132, 58, 0.10), transparent 40%),
    radial-gradient(circle at 80% 25%, rgba(122, 42, 34, 0.06), transparent 40%),
    radial-gradient(circle at 30% 60%, rgba(168, 132, 58, 0.08), transparent 40%),
    radial-gradient(circle at 70% 90%, rgba(74, 47, 20, 0.10), transparent 40%),
    url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='200' height='200'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2'/><feColorMatrix values='0 0 0 0 0.55  0 0 0 0 0.42  0 0 0 0 0.22  0 0 0 0.08 0'/></filter><rect width='200' height='200' filter='url(%23n)'/></svg>");
  background-size: 560px auto, auto, auto, auto, auto, auto;
  background-repeat: repeat, no-repeat, no-repeat, no-repeat, no-repeat, repeat;
  background-blend-mode: multiply, normal, normal, normal, normal, normal;
  color: var(--ink);
  position: relative;
  margin: 0 auto;
  box-shadow:
    inset 0 0 80px rgba(74, 47, 20, 0.15),
    0 30px 60px rgba(0,0,0,0.5);
  padding: 0;
  /* torn / aged side edges */
  border-left: 1px solid rgba(74, 47, 20, 0.25);
  border-right: 1px solid rgba(74, 47, 20, 0.25);
}

/* Rolled-paper ends — in-game metal scroll hardware */
.scroll-roll {
  height: 48px;
  position: sticky;
  z-index: 4;
  background:
    /* iron rod core with bronze sheen */
    linear-gradient(180deg,
      #1a0f06 0%,
      #3a2410 8%,
      #6e4520 22%,
      #a86838 42%,
      #d49658 50%,
      #a86838 58%,
      #6e4520 78%,
      #3a2410 92%,
      #1a0f06 100%);
  box-shadow:
    inset 0 1px 0 rgba(255,220,160,0.25),
    inset 0 -2px 0 rgba(0,0,0,0.6),
    0 8px 20px rgba(0,0,0,0.4);
}
.scroll-roll.top { top: 0; }
.scroll-roll.bottom { bottom: 0; }

/* Rivets along the rod */
.scroll-roll::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 0;
  right: 0;
  height: 8px;
  transform: translateY(-50%);
  background-image:
    radial-gradient(circle at center, #1a0f06 0%, #1a0f06 30%, transparent 32%);
  background-size: 80px 8px;
  background-repeat: repeat-x;
  background-position: 40px center;
  pointer-events: none;
}

/* Side finials — the round caps on each end of the rod */
.scroll-roll::after {
  content: "";
  position: absolute;
  top: -8px;
  bottom: -8px;
  left: -22px;
  right: -22px;
  background:
    /* left finial */
    radial-gradient(circle 32px at 22px 50%,
      #d49658 0%, #a86838 30%, #6e4520 60%, #2a1810 90%, transparent 100%),
    /* right finial */
    radial-gradient(circle 32px at calc(100% - 22px) 50%,
      #d49658 0%, #a86838 30%, #6e4520 60%, #2a1810 90%, transparent 100%);
  pointer-events: none;
  filter: drop-shadow(0 4px 8px rgba(0,0,0,0.5));
}

/* Add hanging bracket / ornament strip below top scroll & above bottom scroll */
.scroll-bracket {
  position: sticky;
  z-index: 3;
  height: 12px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 24px;
  pointer-events: none;
  color: var(--bronze);
  font-family: var(--serif-display);
  font-size: 16px;
  letter-spacing: 0.4em;
  background: linear-gradient(180deg, rgba(74, 47, 20, 0.35), transparent);
}
.scroll-bracket.top { top: 48px; }
.scroll-bracket.bottom {
  bottom: 48px;
  background: linear-gradient(0deg, rgba(74, 47, 20, 0.35), transparent);
}

/* Each section in the scroll */
.scroll-section {
  position: relative;
  padding: 48px 64px 56px;
  border-bottom: 1px solid rgba(168, 132, 58, 0.18);
  scroll-margin-top: 50px;
}
.scroll-section:last-of-type { border-bottom: none; }
.scroll-section .page-content { height: auto; }
.scroll-section .folio { display: none; } /* hide per-page folios in scroll mode */

/* Section header strip */
.scroll-section-anchor {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
}

/* Chapter divider ornament between major chapters */
.scroll-section.chapter-start {
  padding-top: 76px;
}
.scroll-section.chapter-start::before {
  content: "ᛏ  ·  ⚜  ·  ᛏ";
  position: absolute;
  top: 24px;
  left: 50%;
  transform: translateX(-50%);
  font-family: var(--serif-display);
  color: var(--bronze);
  font-size: 16px;
  letter-spacing: 0.6em;
  opacity: 0.7;
}
.scroll-section.chapter-start::after {
  content: "";
  position: absolute;
  top: 50px;
  left: 50%;
  transform: translateX(-50%);
  width: 120px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--bronze), transparent);
}

/* Section title strip in TOC sidebar */
.scroll-toc li[data-active="true"] {
  color: var(--gold);
  border-left-color: var(--gold);
  font-weight: 600;
}

/* Race / story / theory in long scroll need fixed-ish height for comic-grid */
.scroll-section .comic-grid.layout-6 { min-height: 460px; }
.scroll-section .comic-grid.layout-feature { min-height: 380px; }

/* Make race-page in long scroll feel like a contained sheet */
.scroll-section .race-page {
  border: 1px solid rgba(168, 132, 58, 0.3);
  padding: 22px;
  background: rgba(241, 231, 208, 0.4);
}

/* ============================================================
   TYPOGRAPHY (inside paper)
   ============================================================ */
.paper h1, .paper h2, .paper h3, .paper h4,
.long-scroll-paper h1, .long-scroll-paper h2, .long-scroll-paper h3, .long-scroll-paper h4 {
  font-family: var(--serif-display);
  color: var(--ink);
  margin: 0;
  font-weight: 600;
}
.paper h1, .long-scroll-paper h1 {
  font-size: 30px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  line-height: 1.15;
}
.paper h2, .long-scroll-paper h2 {
  font-size: 20px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--gold-deep);
}
.paper h3, .long-scroll-paper h3 {
  font-size: 14px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--ink-soft);
}
.paper p, .long-scroll-paper p, .chapter-full .chapter-md-body p {
  font-size: 28px;
  line-height: 1.75;
  color: var(--ink);
  margin: 0 0 12px;
  text-wrap: pretty;
}
.paper .lead, .long-scroll-paper .lead {
  font-size: 30px;
  line-height: 1.5;
  font-style: italic;
  color: var(--ink-soft);
}
.paper li, .long-scroll-paper li, .chapter-full .chapter-md-body li {
  font-size: 28px;
  line-height: 1.7;
}
.paper blockquote, .long-scroll-paper blockquote {
  font-size: 26px;
}
.paper .small, .long-scroll-paper .small {
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.18em;
  color: var(--gold-deep);
  text-transform: uppercase;
}

/* drop cap */
.dropcap::first-letter {
  font-family: var(--serif-display);
  font-size: 52px;
  font-weight: 600;
  float: left;
  line-height: 0.85;
  padding: 4px 10px 0 0;
  color: var(--blood);
}

/* chapter eyebrow */
.eyebrow {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.3em;
  color: var(--gold-deep);
  text-transform: uppercase;
  margin-bottom: 8px;
}
.eyebrow::before, .eyebrow::after {
  content: "";
  height: 1px;
  background: rgba(168, 132, 58, 0.5);
  flex: 1;
  max-width: 60px;
}
.eyebrow.left::before { display: none; }
.eyebrow.left::after { display: none; }

/* ornament */
.ornament {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin: 20px 0;
  color: var(--bronze);
}
.ornament .line {
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--bronze), transparent);
  max-width: 180px;
}
.ornament .glyph { font-size: 18px; }

/* Internal link to character page */
.charlink {
  color: var(--blood);
  font-weight: 600;
  cursor: pointer;
  border-bottom: 1px dotted var(--blood);
  position: relative;
  font-style: italic;
}
.charlink:hover { color: var(--gold-deep); }

/* Hover preview card */
.preview-card {
  position: absolute;
  z-index: 50;
  width: 280px;
  background: var(--parchment-deep);
  border: 1px solid var(--gold-deep);
  padding: 16px 18px;
  box-shadow: 0 12px 28px rgba(0,0,0,0.4);
  font-size: 18px;
  line-height: 1.5;
  pointer-events: none;
}
.preview-card .pv-name {
  font-family: var(--serif-display);
  font-size: 20px;
  letter-spacing: 0.12em;
  color: var(--blood);
  text-transform: uppercase;
  margin-bottom: 6px;
}
.preview-card .pv-tag {
  font-family: var(--mono);
  font-size: 14px;
  color: var(--gold-deep);
  letter-spacing: 0.12em;
  margin-bottom: 10px;
  text-transform: uppercase;
}
.preview-card .pv-hint {
  font-family: var(--serif-body);
  color: var(--ink-soft);
}
/* Legacy hatched placeholder — kept as a no-op so old markup wouldn't break. */
.preview-card .pv-portrait { display: none; }

/* ============================================================
   COVER PAGE
   ============================================================ */
.cover {
  min-height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 24px;
  background: var(--parchment);
  position: relative;
}

/* Movie-poster cover (replaces the old emblem + h1 + subtitle layout) */
.cover.cover-poster {
  padding: 0;
  background: #0a0604;
  overflow: hidden;
}
.cover-poster-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.cover-poster-meta {
  position: absolute;
  bottom: 14px;
  left: 0;
  right: 0;
  text-align: center;
  color: var(--parchment);
  text-shadow: 0 2px 6px rgba(0,0,0,0.8);
  pointer-events: none;
}
.cover-poster-meta .small {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: rgba(241,231,208,0.85);
  text-transform: uppercase;
  margin-bottom: 4px;
}
.cover-poster-meta .meta {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.3em;
  color: var(--gold);
  text-transform: uppercase;
}
/* Long-scroll layout: cap the poster height so it doesn't dominate the scroll */
.long-scroll-paper .cover.cover-poster {
  min-height: auto;
}
.long-scroll-paper .cover-poster-img {
  max-height: 90vh;
  width: auto;
  margin: 0 auto;
}
.cover-emblem {
  width: 130px;
  height: 130px;
  border: 2px solid var(--bronze-deep);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  position: relative;
  background:
    radial-gradient(circle at 35% 30%, var(--parchment), var(--parchment-deep) 70%, var(--parchment-shadow));
  box-shadow:
    inset 0 0 24px rgba(74, 47, 20, 0.25),
    0 4px 12px rgba(0,0,0,0.2);
}
.cover-emblem::before {
  /* outer metal ring with rivets */
  content: "";
  position: absolute;
  inset: -14px;
  border: 2px solid var(--bronze);
  border-radius: 50%;
  background:
    radial-gradient(circle 2px at 50% 6px, var(--copper), transparent 70%),
    radial-gradient(circle 2px at 6px 50%, var(--copper), transparent 70%),
    radial-gradient(circle 2px at calc(100% - 6px) 50%, var(--copper), transparent 70%),
    radial-gradient(circle 2px at 50% calc(100% - 6px), var(--copper), transparent 70%);
  background-repeat: no-repeat;
  box-shadow: inset 0 0 8px rgba(0,0,0,0.3);
}
.cover-emblem::after {
  /* dark inner ring */
  content: "";
  position: absolute;
  inset: 8px;
  border: 1px solid var(--bronze-deep);
  border-radius: 50%;
  opacity: 0.5;
}
.cover-emblem .rune {
  font-family: var(--serif-display);
  font-size: 46px;
  color: var(--blood);
  font-weight: 700;
}
.cover h1 {
  font-size: 38px;
  letter-spacing: 0.14em;
  line-height: 1.1;
  margin-bottom: 10px;
}
.cover .subtitle {
  font-style: italic;
  font-size: 15px;
  color: var(--ink-soft);
  max-width: 380px;
  margin-bottom: 24px;
}
.cover .meta {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.3em;
  color: var(--gold-deep);
  text-transform: uppercase;
  margin-top: auto;
}

/* ============================================================
   TOC PAGE
   ============================================================ */
.toc-list {
  list-style: none;
  padding: 0;
  margin: 16px 0 0;
}
.toc-list li {
  display: flex;
  align-items: baseline;
  font-size: 15px;
  padding: 7px 0;
  border-bottom: 1px dotted rgba(122, 106, 85, 0.4);
  cursor: pointer;
}
.toc-list li:hover { color: var(--blood); }
.toc-list li .ch-num {
  font-family: var(--serif-display);
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--gold-deep);
  width: 60px;
  flex-shrink: 0;
}
.toc-list li .ch-title { flex: 1; font-weight: 500; }
.toc-list li .ch-dots {
  flex: 1;
  border-bottom: 1px dotted var(--ink-faded);
  margin: 0 8px 4px;
  min-width: 20px;
}
.toc-list li .ch-folio {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--ink-faded);
}
.toc-list li.sub { padding-left: 60px; font-size: 13px; color: var(--ink-soft); }
.toc-list li.sub .ch-num { font-size: 10px; width: 30px; }

/* ============================================================
   MAP PAGE
   ============================================================ */
.map-wrap {
  width: 100%;
  height: 100%;
  position: relative;
  background:
    radial-gradient(ellipse at center, rgba(168, 132, 58, 0.12), transparent 70%),
    repeating-linear-gradient(0deg, rgba(122, 106, 85, 0.06) 0 1px, transparent 1px 24px),
    repeating-linear-gradient(90deg, rgba(122, 106, 85, 0.06) 0 1px, transparent 1px 24px);
  border: 1px double var(--gold-deep);
  padding: 24px;
}
.map-svg { width: 100%; height: 100%; }
.map-label {
  position: absolute;
  font-family: var(--serif-display);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--ink);
  text-transform: uppercase;
  background: rgba(241, 231, 208, 0.85);
  padding: 3px 8px;
  border: 1px solid var(--gold-deep);
  cursor: pointer;
  white-space: nowrap;
  transform: translate(-50%, -50%);
}
.map-label:hover { background: var(--gold); color: var(--shadow-deep); }
.map-label.small { font-size: 9px; padding: 2px 5px; border-style: dashed; }
.map-compass {
  position: absolute;
  bottom: 30px;
  right: 30px;
  width: 70px;
  height: 70px;
  border: 1px solid var(--gold-deep);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(241, 231, 208, 0.5);
  font-family: var(--serif-display);
  font-size: 10px;
  letter-spacing: 0.15em;
}

/* ============================================================
   CHARACTER / RACE CARD PAGE
   ============================================================ */
.race-page {
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.race-header {
  border-bottom: 1px solid var(--bronze);
  padding-bottom: 12px;
  position: relative;
}
.race-header::before {
  content: "⚜";  /* runic / heraldic glyph */
  position: absolute;
  top: -4px;
  right: 0;
  font-size: 26px;
  color: var(--bronze);
  opacity: 0.7;
}
.race-header .race-tag {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.25em;
  color: var(--blood);
  text-transform: uppercase;
}
.race-header .race-name {
  font-family: var(--serif-display);
  font-size: 32px;
  letter-spacing: 0.1em;
  margin-top: 4px;
  text-transform: uppercase;
}
.race-header .race-epithet {
  font-style: italic;
  font-size: 15px;
  color: var(--ink-soft);
  margin-top: 4px;
}

.race-body {
  display: grid;
  grid-template-columns: 170px 1fr;
  gap: 18px;
}

.race-portrait {
  background:
    repeating-linear-gradient(135deg,
      rgba(122, 106, 85, 0.18) 0 2px,
      transparent 2px 8px),
    var(--parchment-deep);
  border: 2px solid var(--ink-soft);
  position: relative;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  padding: 12px 8px;
  font-family: var(--mono);
  font-size: 9.5px;
  text-align: center;
  color: var(--ink-soft);
  letter-spacing: 0.06em;
  min-height: 200px;
}
.race-portrait::before {
  content: "";
  position: absolute;
  inset: 6px;
  border: 1px dashed var(--ink-faded);
  pointer-events: none;
}
.race-portrait .portrait-tag {
  background: var(--parchment);
  padding: 4px 8px;
  border: 1px solid var(--ink-faded);
  position: relative;
  z-index: 2;
}

.race-info p { font-size: 24px; line-height: 1.6; margin-bottom: 10px; }
.race-stats {
  margin-top: 10px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px 18px;
}
.race-stats .stat {
  display: flex;
  flex-direction: column;
  font-family: var(--mono);
  font-size: 22px;
}
.race-stats .stat .lbl {
  font-size: 18px;
  letter-spacing: 0.12em;
  color: var(--gold-deep);
  text-transform: uppercase;
  margin-bottom: 4px;
  line-height: 1.35;
}
.race-stats .stat .bar {
  height: 8px;
  background: var(--parchment-shadow);
  border: 1px solid var(--ink-soft);
  position: relative;
}
.race-stats .stat .bar .fill {
  height: 100%;
  background: var(--blood);
}

.race-skills {
  border-top: 1px solid var(--gold-deep);
  padding-top: 14px;
}
.race-skills .skill-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin-top: 8px;
}
.race-skills .skill {
  border: 1px solid var(--ink-soft);
  padding: 12px 14px;
  background: rgba(241, 231, 208, 0.5);
  font-size: 22px;
  line-height: 1.45;
}
.race-skills .skill .skill-name {
  font-family: var(--serif-display);
  font-size: 22px;
  letter-spacing: 0.1em;
  color: var(--blood);
  text-transform: uppercase;
  margin-bottom: 6px;
}
.race-skills .skill .skill-cost {
  font-family: var(--mono);
  font-size: 16px;
  color: var(--gold-deep);
  margin-top: 8px;
  letter-spacing: 0.12em;
}

/* ============================================================
   COMIC PANELS
   ============================================================ */
.comic-grid {
  display: grid;
  gap: 10px;
  width: 100%;
  height: 100%;
}
.comic-grid.layout-6 {
  grid-template-columns: 1fr 1fr 1fr;
  grid-template-rows: 1fr 1fr;
}
.comic-grid.layout-4 {
  grid-template-columns: 1fr 1fr;
  grid-template-rows: 1fr 1fr;
}
.comic-grid.layout-feature {
  grid-template-columns: 2fr 1fr;
  grid-template-rows: 1fr 1fr 1fr;
}
.comic-grid.layout-feature .panel:first-child {
  grid-row: span 3;
}

.panel {
  background:
    repeating-linear-gradient(45deg,
      rgba(34, 23, 16, 0.08) 0 2px,
      transparent 2px 8px),
    var(--parchment-deep);
  border: 2px solid var(--ink);
  position: relative;
  overflow: hidden;
  padding: 12px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 100px;
}
.panel.dark {
  background:
    repeating-linear-gradient(45deg,
      rgba(241, 231, 208, 0.05) 0 2px,
      transparent 2px 8px),
    #2a1d10;
  color: var(--parchment);
}
.panel .panel-tag {
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.18em;
  color: var(--ink-soft);
  text-transform: uppercase;
  background: rgba(241, 231, 208, 0.7);
  padding: 2px 6px;
  align-self: flex-start;
  border: 1px solid var(--ink-soft);
}
.panel.dark .panel-tag { color: var(--gold); background: rgba(0,0,0,0.4); border-color: var(--gold-deep); }

.panel .placeholder-desc {
  font-family: var(--mono);
  font-size: 10.5px;
  line-height: 1.5;
  color: var(--ink-soft);
  text-align: center;
  margin: auto;
  max-width: 80%;
  font-style: italic;
}
.panel.dark .placeholder-desc { color: var(--parchment); }

.speech {
  position: absolute;
  background: var(--parchment);
  border: 2px solid var(--ink);
  padding: 6px 10px;
  font-family: var(--serif-body);
  font-size: 12px;
  line-height: 1.3;
  max-width: 60%;
  border-radius: 12px;
  font-weight: 500;
  z-index: 2;
}
.speech::after {
  content: "";
  position: absolute;
  width: 12px;
  height: 12px;
  background: var(--parchment);
  border-right: 2px solid var(--ink);
  border-bottom: 2px solid var(--ink);
}
.speech.bl {
  bottom: 14px;
  left: 14px;
}
.speech.bl::after {
  bottom: -8px; left: 16px;
  transform: rotate(45deg);
}
.speech.tr {
  top: 14px;
  right: 14px;
}
.speech.tr::after {
  top: -8px; right: 16px;
  transform: rotate(-135deg);
}
.speech.tl {
  top: 14px;
  left: 14px;
}
.speech.tl::after {
  bottom: -8px; left: 16px;
  transform: rotate(45deg);
}

.sfx {
  position: absolute;
  font-family: var(--serif-display);
  font-size: 28px;
  font-weight: 700;
  color: var(--blood);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  transform: rotate(-8deg);
  z-index: 2;
  text-shadow: 2px 2px 0 var(--parchment);
  -webkit-text-stroke: 1px var(--ink);
}

/* ============================================================
   THEORY / DIAGRAM PAGE
   ============================================================ */
.theory-diagram {
  border: 1px solid var(--gold-deep);
  padding: 14px;
  margin-top: 12px;
  background: rgba(241, 231, 208, 0.5);
}
.theory-diagram .tiers {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
}
.tier-box {
  border: 1.5px solid var(--ink);
  padding: 10px;
  background: var(--parchment);
  text-align: center;
}
.tier-box .tier-num {
  font-family: var(--serif-display);
  font-size: 11px;
  color: var(--gold-deep);
  letter-spacing: 0.2em;
}
.tier-box .tier-name {
  font-family: var(--serif-display);
  font-size: 13px;
  font-weight: 600;
  margin: 4px 0;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.tier-box .tier-desc {
  font-size: 10.5px;
  line-height: 1.35;
  color: var(--ink-soft);
}

/* annotation callout */
.callout {
  border-left: 3px solid var(--blood);
  padding: 14px 18px;
  background: rgba(122, 42, 34, 0.06);
  margin: 16px 0;
  font-style: italic;
  font-size: 24px;
  line-height: 1.6;
  color: var(--ink-soft);
}
.callout .callout-label {
  font-family: var(--mono);
  font-style: normal;
  font-size: 16px;
  letter-spacing: 0.18em;
  color: var(--blood);
  text-transform: uppercase;
  display: block;
  margin-bottom: 8px;
}

/* prologue / general page */
.page-content { height: 100%; display: flex; flex-direction: column; }
.page-content > .top { flex: 0 0 auto; }
.page-content > .main { flex: 1; overflow: hidden; }
.page-content > .bottom { flex: 0 0 auto; }

/* small utility classes */
.row { display: flex; gap: 12px; align-items: center; }
.mt-auto { margin-top: auto; }
.mb-8 { margin-bottom: 8px; }
.mb-16 { margin-bottom: 16px; }

/* ============================================================
   THÁCH THỨC LỤC ĐỊA MỚI — Additions for blog version
   Character tones · Scene images · Flame tree · Class list
   Chapter highlights + expand · Radar test · Closing
   ============================================================ */

/* ---------- Scene image (no hatched placeholder) ---------- */
.scene-img {
  position: relative;
  margin: 18px 0;
  border: 1.5px solid var(--ink-soft);
  border-radius: 3px;
  box-shadow:
    inset 0 0 0 4px rgba(176,133,52,0.18),
    inset 0 0 0 5px var(--parchment),
    0 4px 14px rgba(0,0,0,0.2);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}
.scene-img img {
  display: block;
  width: 100%;
  height: auto;
  opacity: 0;
  transition: opacity 0.6s ease;
  filter: sepia(0.10) contrast(1.02);
}
.scene-img.loaded img { opacity: 1; }

/* Legacy classes kept as no-op shells in case markup still references them. */
.scene-img-placeholder { display: none; }
.scene-rune,
.scene-alt {
  display: none;
  font-family: var(--mono);
  font-size: 10.5px;
  line-height: 1.55;
  color: var(--ink-soft);
  max-width: 92%;
}
.scene-caption {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  padding: 5px 10px;
  background: linear-gradient(0deg, rgba(26,15,8,0.78), transparent);
  color: var(--parchment);
  font-family: var(--mono);
  font-size: 9.5px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  text-align: center;
  opacity: 0;
  transition: opacity 0.3s ease;
}
.scene-img.loaded .scene-caption { opacity: 0.95; }

/* ---------- Character thumb grid (intro page) ---------- */
.char-thumb-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin-top: 14px;
}
.char-thumb {
  border: 1.5px solid var(--ink-soft);
  padding: 10px;
  background: rgba(241,231,208,0.55);
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  display: flex;
  flex-direction: column;
}
.char-thumb:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(0,0,0,0.18);
}
.char-thumb .small {
  font-family: var(--mono);
  font-size: 8.5px;
  letter-spacing: 0.18em;
  color: var(--ink-faded);
  text-transform: uppercase;
}
.char-thumb-name {
  font-family: var(--serif-display);
  font-size: 14px;
  letter-spacing: 0.06em;
  color: var(--blood);
  margin-top: 4px;
  font-weight: 600;
}
.char-thumb-epithet {
  font-style: italic;
  font-size: 12px;
  color: var(--ink-soft);
  margin-top: 3px;
  line-height: 1.35;
}
.char-thumb .scene-img {
  min-height: 110px;
  margin: 8px 0;
}
.char-thumb-short {
  font-size: 22px;
  line-height: 1.5;
  color: var(--ink-soft);
}

/* ---------- Character tones (5 colors + grey for mentor) ---------- */
/* applied as tone-{color} on .char-thumb and .char-page */
.tone-gold         { --tone: #a8843a; --tone-soft: rgba(168,132,58,0.12); }
.tone-red-wine     { --tone: #7a2a22; --tone-soft: rgba(122,42,34,0.12); }
.tone-electric-blue{ --tone: #1E5F8C; --tone-soft: rgba(30,95,140,0.12); }
.tone-silver-cyan  { --tone: #4F8C8C; --tone-soft: rgba(79,140,140,0.12); }
.tone-dark-violet  { --tone: #3a2570; --tone-soft: rgba(58,37,112,0.10); }
.tone-ash-grey     { --tone: #5a5a52; --tone-soft: rgba(90,90,82,0.10); }

.char-thumb.tone-gold,
.char-thumb.tone-red-wine,
.char-thumb.tone-electric-blue,
.char-thumb.tone-silver-cyan,
.char-thumb.tone-dark-violet,
.char-thumb.tone-ash-grey {
  border-color: var(--tone);
  background: linear-gradient(180deg, var(--tone-soft) 0%, rgba(241,231,208,0.55) 30%);
}
.char-thumb.tone-gold .char-thumb-name,
.char-thumb.tone-red-wine .char-thumb-name,
.char-thumb.tone-electric-blue .char-thumb-name,
.char-thumb.tone-silver-cyan .char-thumb-name,
.char-thumb.tone-dark-violet .char-thumb-name,
.char-thumb.tone-ash-grey .char-thumb-name {
  color: var(--tone);
}

.char-page.tone-gold,
.char-page.tone-red-wine,
.char-page.tone-electric-blue,
.char-page.tone-silver-cyan,
.char-page.tone-dark-violet,
.char-page.tone-ash-grey {
  border-top: 3px solid var(--tone);
}
.char-page .race-header { border-bottom-color: var(--tone, var(--ink-soft)); }
.char-page .race-name { color: var(--tone, var(--blood)); }
.char-page .stat .bar .fill {
  background: linear-gradient(90deg, var(--tone, var(--gold)), color-mix(in srgb, var(--tone, var(--gold)) 60%, #f1e7d0));
}

.char-realworld {
  margin-top: 14px !important;
  border-left: 3px solid var(--tone, var(--ink-soft)) !important;
  background: var(--tone-soft, rgba(122,42,34,0.06)) !important;
}

/* ---------- Map region labels ---------- */
.map-region-label {
  position: absolute;
  font-family: var(--serif-display);
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  pointer-events: none;
}
.map-region-label.cuu-dia {
  top: 6%;
  left: 8%;
  color: #7a4a18;
  text-shadow: 0 1px 0 rgba(241,231,208,0.6);
}
.map-region-label.tan-dia {
  top: 6%;
  right: 8%;
  color: #3a2570;
  text-shadow: 0 1px 0 rgba(241,231,208,0.6);
}

/* ---------- Flame tree (Theory 1) ---------- */
.flame-tree {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin: 14px 0;
}
.flame-branch {
  display: grid;
  grid-template-columns: 50px 1fr;
  align-items: center;
  gap: 12px;
  padding: 10px 14px;
  border: 1.5px solid var(--ink-soft);
  background: rgba(241,231,208,0.5);
}
.flame-icon {
  font-size: 26px;
  text-align: center;
}
.flame-info { display: flex; flex-direction: column; gap: 2px; }
.flame-name {
  font-family: var(--serif-display);
  font-weight: 700;
  font-size: 14px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.flame-role {
  font-style: italic;
  font-size: 13.5px;
  color: var(--ink-soft);
}
.flame-desc {
  font-size: 12.5px;
  color: var(--ink-soft);
  line-height: 1.45;
}

.flame-branch.fire-red    { border-color: #a32d2d; background: rgba(163,45,45,0.07); }
.flame-branch.fire-red    .flame-icon { color: #a32d2d; }
.flame-branch.fire-red    .flame-name { color: #791f1f; }
.flame-branch.fire-blue   { border-color: #1E5F8C; background: rgba(30,95,140,0.08); }
.flame-branch.fire-blue   .flame-icon { color: #1E5F8C; }
.flame-branch.fire-blue   .flame-name { color: #0C447C; }
.flame-branch.fire-purple { border-color: #5C3A8C; background: rgba(92,58,140,0.08); }
.flame-branch.fire-purple .flame-icon { color: #5C3A8C; }
.flame-branch.fire-purple .flame-name { color: #3a2570; }
.flame-branch.fire-white  { border-color: #888780; background: rgba(255,255,255,0.18); }
.flame-branch.fire-white  .flame-icon { color: #5F5E5A; }
.flame-branch.fire-white  .flame-name { color: #444441; }
.flame-branch.fire-gold   { border-color: #a8843a; background: rgba(176,133,52,0.10); }
.flame-branch.fire-gold   .flame-icon { color: #a8843a; }
.flame-branch.fire-gold   .flame-name { color: #785218; }

/* ---------- Class list (Theory 2) ---------- */
.class-list {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-top: 12px;
  border-top: 1px solid var(--ink-faded);
  border-bottom: 1px solid var(--ink-faded);
}
.class-row {
  display: grid;
  grid-template-columns: 32px 1fr 1.2fr auto;
  align-items: center;
  gap: 10px;
  padding: 7px 4px;
  border-bottom: 1px dotted rgba(110,90,64,0.25);
  font-size: 13px;
}
.class-row:last-child { border-bottom: none; }
.class-row.starred {
  background: rgba(176,133,52,0.07);
  font-weight: 500;
}
.class-num {
  font-family: var(--mono);
  font-size: 10px;
  color: var(--ink-faded);
}
.class-name { color: var(--ink); }
.class-name .class-note {
  font-style: italic;
  color: var(--blood);
  font-size: 11px;
  margin-left: 6px;
}
.class-combo {
  font-family: var(--mono);
  font-size: 10.5px;
  color: var(--ink-soft);
  letter-spacing: 0.04em;
}
.class-price {
  font-family: var(--mono);
  font-size: 10.5px;
  color: var(--gold-deep);
  text-align: right;
  white-space: nowrap;
}

/* ---------- Chapter highlight ---------- */
.chapter-highlight .chapter-quote {
  font-size: 14.5px;
  border-left-color: var(--gold);
  background: rgba(176,133,52,0.08);
}
.chapter-teaser { font-size: 14.5px; line-height: 1.65; }
.chapter-teaser .dropcap::first-letter {
  font-family: var(--serif-display);
  font-weight: 700;
  font-size: 48px;
  float: left;
  line-height: 1;
  padding: 4px 8px 0 0;
  color: var(--blood);
}

.expand-btn {
  display: block;
  width: 100%;
  margin: 16px 0 0;
  padding: 12px 16px;
  background:
    linear-gradient(180deg, rgba(176,133,52,0.18), rgba(168,104,56,0.14)),
    var(--parchment);
  border: 1.5px solid var(--bronze);
  border-radius: 3px;
  color: var(--bronze-deep);
  font-family: var(--serif-display);
  font-size: 13px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.expand-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 10px rgba(74,47,20,0.22);
}

.chapter-expand {
  margin-top: 14px;
  padding: 18px;
  background:
    repeating-linear-gradient(135deg, rgba(122,106,85,0.04) 0 2px, transparent 2px 12px),
    var(--parchment);
  border: 1px dashed var(--ink-faded);
  border-radius: 3px;
  font-size: 14px;
  line-height: 1.65;
  animation: expand-fade 0.4s ease;
}
@keyframes expand-fade {
  from { opacity: 0; transform: translateY(-6px); }
  to   { opacity: 1; transform: translateY(0); }
}
.chapter-expand h4 {
  font-family: var(--serif-display);
  font-size: 14.5px;
  letter-spacing: 0.06em;
  color: var(--blood);
  margin: 14px 0 6px;
}
.chapter-expand ol, .chapter-expand ul {
  padding-left: 20px;
  margin: 6px 0;
}
.chapter-expand li { margin-bottom: 4px; }
.chapter-full-link {
  margin-top: 18px;
  padding-top: 12px;
  border-top: 1px solid var(--ink-faded);
  text-align: center;
}
.chapter-full-link a {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--gold-deep);
  letter-spacing: 0.1em;
  text-decoration: none;
  border-bottom: 1px dotted var(--gold);
}
.chapter-full-link a:hover { color: var(--blood); border-bottom-color: var(--blood); }

/* ---------- Radar test ---------- */
.radar-test { font-size: 22px; }
.radar-wrap {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  align-items: start;
  margin-top: 18px;
}
.radar-svg {
  width: 100%;
  max-width: 420px;
  height: auto;
  display: block;
  margin: 0 auto;
  background: var(--parchment);
  border: 1.5px solid var(--bronze);
  border-radius: 3px;
  padding: 18px;
}
.radar-grid { fill: none; stroke: var(--ink-faded); stroke-width: 0.7; opacity: 0.7; }
.radar-axis { stroke: var(--ink-soft); stroke-width: 0.9; opacity: 0.6; }
.radar-area {
  fill: rgba(176,133,52,0.30);
  stroke: var(--gold-deep);
  stroke-width: 2;
}
.radar-point { fill: var(--blood); stroke: var(--parchment); stroke-width: 1.5; }
.radar-label {
  font-family: var(--serif-display);
  font-size: 20px;
  font-weight: 700;
  fill: var(--ink);
  letter-spacing: 0.04em;
}

.radar-controls { display: flex; flex-direction: column; gap: 12px; }
.radar-slider-row {
  display: grid;
  grid-template-columns: 140px 1fr 44px;
  align-items: center;
  gap: 14px;
  padding: 6px 0;
}
.radar-slider-label {
  font-family: var(--serif-display);
  font-size: 22px;
  letter-spacing: 0.05em;
  color: var(--ink-soft);
  text-transform: uppercase;
}
.radar-slider-row input[type="range"] {
  width: 100%;
  accent-color: var(--bronze);
}
.radar-slider-val {
  font-family: var(--mono);
  font-size: 22px;
  font-weight: 600;
  text-align: right;
  color: var(--ink);
}
.radar-total {
  margin-top: 18px;
  padding-top: 14px;
  border-top: 1px solid var(--ink-faded);
  font-size: 22px;
}
.radar-total > div:first-child {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
}
.radar-total .lbl { color: var(--ink-soft); font-family: var(--mono); font-size: 18px; letter-spacing: 0.12em; text-transform: uppercase; }
.radar-total .val {
  font-family: var(--serif-display);
  font-size: 30px;
  font-weight: 700;
  color: var(--blood);
  line-height: 1.1;
}
.radar-stage {
  margin-top: 6px;
  font-style: italic;
  color: var(--bronze-deep);
}
.radar-weak {
  margin-top: 4px;
  font-size: 12px;
  color: var(--ink-soft);
}

@media (max-width: 720px) {
  .radar-wrap { grid-template-columns: 1fr; }
}

/* ---------- Closing CTA ---------- */
.closing .lead { font-size: 21px; }
.closing-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 18px 0;
}
.cta-btn {
  display: inline-block;
  padding: 12px 22px;
  font-family: var(--serif-display);
  font-size: 13px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  text-decoration: none;
  border-radius: 3px;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.cta-btn.primary {
  background:
    linear-gradient(180deg, var(--bronze), var(--bronze-deep));
  color: var(--parchment);
  border: 1.5px solid var(--gold);
  box-shadow: inset 0 1px 0 rgba(241,231,208,0.18), 0 3px 8px rgba(0,0,0,0.25);
}
.cta-btn.primary:hover {
  transform: translateY(-2px);
  box-shadow: inset 0 1px 0 rgba(241,231,208,0.25), 0 6px 14px rgba(0,0,0,0.35);
}
.cta-btn.secondary {
  background: rgba(241,231,208,0.6);
  color: var(--bronze-deep);
  border: 1.5px solid var(--bronze);
}
.cta-btn.secondary:hover {
  background: rgba(241,231,208,0.85);
  transform: translateY(-2px);
}


/* =================================================================
   Full-text chapter + appendix pages — markdown rendered via marked.js
   Style: parchment, Cormorant Garamond body, classic illuminated.
   ================================================================= */
.chapter-full .chapter-md-body {
  font-family: var(--serif-body);
  color: var(--ink);
  font-size: 24px;
  line-height: 1.7;
  margin-top: 14px;
}
.chapter-full .chapter-md-body h1 {
  font-family: var(--serif-display);
  font-size: 46px;
  font-weight: var(--display-weight, 700);
  letter-spacing: var(--display-tracking, 0.04em);
  color: var(--gold-deep);
  text-align: center;
  margin: 22px 0 8px;
  text-transform: uppercase;
}
.chapter-full .chapter-md-body h1:first-child {
  margin-top: 0;
}
.chapter-full .chapter-md-body h2 {
  font-family: var(--serif-display);
  font-size: 36px;
  color: var(--bronze-deep, #785218);
  font-weight: var(--display-weight, 600);
  letter-spacing: var(--display-tracking, 0.03em);
  margin: 32px 0 10px;
  border-bottom: 1px solid rgba(176,133,52,0.35);
  padding-bottom: 6px;
}
.chapter-full .chapter-md-body h3 {
  font-family: var(--serif-display);
  font-size: 28px;
  color: var(--ink-soft);
  font-weight: var(--display-weight, 600);
  letter-spacing: 0.02em;
  margin: 24px 0 8px;
}
.chapter-full .chapter-md-body h4 {
  font-family: var(--serif-display);
  font-size: 24px;
  color: var(--gold-deep);
  font-weight: var(--display-weight, 600);
  letter-spacing: 0.04em;
  margin: 20px 0 6px;
  text-transform: uppercase;
}
.chapter-full .chapter-md-body p {
  margin: 0 0 12px;
  text-align: justify;
  hyphens: auto;
}
.chapter-full .chapter-md-body blockquote {
  font-size: 26px;
  border-left: 3px solid var(--gold);
  background: rgba(176,133,52,0.08);
  margin: 16px 0;
  padding: 10px 16px;
  font-style: italic;
  color: var(--ink-soft);
  border-radius: 0 4px 4px 0;
}
.chapter-full .chapter-md-body blockquote p:last-child { margin-bottom: 0; }
.chapter-full .chapter-md-body strong {
  color: var(--gold-deep);
  font-weight: 700;
}
.chapter-full .chapter-md-body em {
  color: var(--ink-soft);
  font-style: italic;
}
.chapter-full .chapter-md-body ul,
.chapter-full .chapter-md-body ol {
  margin: 10px 0 14px;
  padding-left: 24px;
}
.chapter-full .chapter-md-body li {
  margin: 4px 0;
  line-height: 1.7;
}
.chapter-full .chapter-md-body hr {
  border: 0;
  border-top: 1px solid rgba(176,133,52,0.4);
  margin: 28px auto;
  width: 70%;
  position: relative;
}
.chapter-full .chapter-md-body hr::after {
  content: "✦";
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--parchment);
  color: var(--gold);
  padding: 0 10px;
  font-size: 14px;
}
.chapter-full .chapter-md-body code {
  background: rgba(176,133,52,0.12);
  color: var(--ink-soft);
  padding: 1px 6px;
  border-radius: 3px;
  font-family: "JetBrains Mono", "Courier New", monospace;
  font-size: 13px;
}
.chapter-full .chapter-md-body pre {
  background: rgba(26,15,8,0.06);
  border-left: 3px solid var(--gold-deep);
  padding: 12px 14px;
  overflow-x: auto;
  border-radius: 0 4px 4px 0;
  font-size: 13px;
  line-height: 1.55;
}
.chapter-full .chapter-md-body pre code {
  background: transparent;
  padding: 0;
}
.chapter-full .chapter-md-body table {
  width: 100%;
  border-collapse: collapse;
  margin: 18px 0;
  font-size: 22px;
}
.chapter-full .chapter-md-body th,
.chapter-full .chapter-md-body td {
  border: 1px solid rgba(176,133,52,0.35);
  padding: 10px 14px;
  text-align: left;
  vertical-align: top;
  line-height: 1.5;
}
.chapter-full .chapter-md-body th {
  background: rgba(176,133,52,0.15);
  font-family: var(--serif-display);
  font-size: 20px;
  color: var(--gold-deep);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.chapter-full .chapter-md-body a {
  color: var(--gold-deep);
  text-decoration: underline;
  text-decoration-color: rgba(176,133,52,0.5);
  text-underline-offset: 2px;
}
.chapter-full .chapter-md-body a:hover {
  text-decoration-color: var(--gold-deep);
}
.chapter-full .chapter-md-body img {
  display: block;
  max-width: 100%;
  height: auto;
  margin: 32px auto 6px;
  border: 1px solid rgba(176,133,52,0.5);
  box-shadow: 0 10px 24px rgba(0,0,0,0.3), inset 0 1px 0 rgba(255,255,255,0.05);
  border-radius: 2px;
}
.chapter-full .chapter-md-body p:has(> img) {
  margin: 0;
}
.chapter-full .chapter-md-body p:has(> img) + p > em:only-child,
.img-caption {
  display: block;
  text-align: center;
  font-size: 22px;
  color: var(--ink-faded);
  margin: 6px auto 26px;
  font-style: italic;
  max-width: 80%;
}
.appendix-full .chapter-md-body h1 {
  color: var(--blood);
}
.appendix-full .chapter-md-body h2 {
  color: var(--blood);
  border-bottom-color: rgba(110,31,26,0.35);
}

/* Layout A — book spread inner scroll for chapter-full pages */
.book-spread .paper .chapter-full {
  max-height: 100%;
  overflow-y: auto;
  padding-right: 6px;
  scrollbar-width: thin;
  scrollbar-color: var(--parchment-shadow) transparent;
}

/* Fulltext table-of-contents (intro pages 22 and 35) */
.fulltext-toc {
  list-style: none;
  counter-reset: ftnum;
  padding: 0;
  margin: 18px 0 0;
}
.fulltext-toc li {
  cursor: pointer;
  display: grid;
  grid-template-columns: 90px 1fr;
  grid-template-rows: auto auto;
  gap: 4px 14px;
  padding: 12px 14px;
  border-bottom: 1px dotted rgba(176,133,52,0.4);
  transition: background 160ms, transform 160ms;
}
.fulltext-toc li:hover {
  background: rgba(176,133,52,0.1);
  transform: translateX(2px);
}
.fulltext-toc .ft-num {
  font-family: var(--serif-display);
  font-weight: var(--display-weight, 600);
  color: var(--gold-deep);
  font-size: 18px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.fulltext-toc .ft-title {
  font-family: var(--serif-display);
  font-weight: var(--display-weight, 600);
  color: var(--ink);
  font-size: 26px;
}
.fulltext-toc .ft-quote {
  grid-column: 2;
  font-family: var(--serif-body);
  font-style: italic;
  color: var(--ink-faded);
  font-size: 21px;
  line-height: 1.5;
}

/* =================================================================
   MOBILE — TOC drawer + responsive layout
   Base (desktop): drawer-only elements hidden. They activate inside
   the @media (max-width: 820px) block below.
   ================================================================= */
.toc-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(10, 6, 4, 0.65);
  backdrop-filter: blur(2px);
  z-index: 45;
  opacity: 0;
  pointer-events: none;
  transition: opacity 220ms ease;
  display: none;
}
.toc-backdrop.open { opacity: 1; pointer-events: auto; }
.toc-toggle {
  display: none;
  position: fixed;
  left: 16px;
  bottom: 16px;
  z-index: 60;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  background: linear-gradient(180deg, var(--bronze), var(--bronze-deep));
  color: var(--parchment);
  border: 1.5px solid var(--gold);
  border-radius: 999px;
  font-family: var(--serif-display);
  font-size: 13px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 600;
  cursor: pointer;
  box-shadow: 0 8px 22px rgba(0, 0, 0, 0.4), inset 0 1px 0 rgba(241, 231, 208, 0.2);
  transition: transform 160ms ease;
}
.toc-toggle:hover { transform: translateY(-1px); }
.toc-toggle > :first-child { font-size: 18px; line-height: 1; }
.toc-toggle-label { font-size: 11px; }
.toc-close {
  display: none;
  position: absolute;
  top: 10px;
  right: 12px;
  width: 36px;
  height: 36px;
  background: rgba(168, 132, 58, 0.18);
  border: 1px solid rgba(168, 132, 58, 0.45);
  color: var(--parchment);
  border-radius: 50%;
  font-size: 16px;
  cursor: pointer;
  z-index: 1;
}

/* ============== TABLET / PHONE (≤ 820px) ============== */
@media (max-width: 820px) {
  html, body { font-size: 20px; }

  /* Top bar — wrap, brand full-width centered, smaller buttons */
  .toggle-bar {
    flex-wrap: wrap;
    padding: 10px 14px;
    gap: 10px;
  }
  .toggle-bar .brand {
    order: 0;
    width: calc(100% - 56px);
    justify-content: center;
    text-align: center;
    font-size: 10.5px;
    letter-spacing: 0.16em;
  }
  .x5-home-link {
    order: -1;
    width: 36px;
    height: 36px;
    margin-right: 8px;
  }
  .variation-toggle { order: 1; flex: 1; min-width: 0; }
  .variation-toggle button { padding: 6px 10px; font-size: 10.5px; }
  .toolbar-right {
    order: 2;
    gap: 6px;
    flex-shrink: 0;
  }
  .tool-btn { padding: 6px 10px; font-size: 10.5px; }
  .brand .glyph { font-size: 13px; }

  /* Stage: tighter */
  .stage { padding: 12px; }
  .page-counter { font-size: 10px; padding: 6px 10px; }

  /* Layout A — single column, no spine */
  .book-spread {
    grid-template-columns: 1fr;
    width: 100%;
    height: auto;
    min-height: 70vh;
  }
  .book-spread::before { display: none; }
  .book-spread .paper.right { display: none; }
  .book-spread .paper {
    border-radius: 10px;
    border: 1px solid rgba(168, 132, 58, 0.35);
    padding: 28px 22px;
  }
  .book-spread .paper.left { border-right: 1px solid rgba(168, 132, 58, 0.25); }
  .book-spread .paper.left::after,
  .book-spread .paper.right::after { display: none; }
  .nav-arrow { width: 36px; height: 36px; font-size: 22px; }
  .nav-arrow.prev { left: 6px; }
  .nav-arrow.next { right: 6px; }

  /* Layout B — TOC becomes drawer, paper takes full width */
  .long-scroll-layout {
    grid-template-columns: 1fr;
    gap: 0;
    width: 100%;
    height: 82vh;
  }
  .scroll-toc {
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    width: min(86vw, 320px);
    z-index: 50;
    transform: translateX(-100%);
    transition: transform 260ms cubic-bezier(.22,.7,.3,1);
    padding-top: 60px;
    max-height: 100vh;
    border-radius: 0;
  }
  .scroll-toc.open { transform: translateX(0); }
  .toc-close { display: block; }
  .toc-backdrop { display: block; }
  .toc-toggle { display: inline-flex; }

  /* Long-scroll paper full-width on phone */
  .long-scroll-paper-wrap { width: 100%; }
  .long-scroll-paper { padding: 28px 18px; }
  .scroll-section { padding: 32px 0; }

  /* Chapter-md-body — mobile sizes (still larger than design default) */
  .chapter-full .chapter-md-body { font-size: 22px; line-height: 1.7; }
  .chapter-full .chapter-md-body h1 { font-size: 32px; }
  .chapter-full .chapter-md-body h2 { font-size: 26px; }
  .chapter-full .chapter-md-body h3 { font-size: 22px; }
  .chapter-full .chapter-md-body h4 { font-size: 19px; }
  .chapter-full .chapter-md-body th,
  .chapter-full .chapter-md-body td { font-size: 18px; padding: 8px 10px; }

  /* Body text — Layout A + B share these selectors */
  .paper p, .long-scroll-paper p, .chapter-full .chapter-md-body p {
    font-size: 22px;
    line-height: 1.7;
  }
  .paper li, .long-scroll-paper li, .chapter-full .chapter-md-body li {
    font-size: 22px;
  }
  .paper blockquote, .long-scroll-paper blockquote,
  .chapter-full .chapter-md-body blockquote { font-size: 20px; padding: 8px 14px; }

  /* Callout (Nguyên Lý Con Chêm) */
  .callout { font-size: 20px; padding: 12px 14px; }
  .callout .callout-label { font-size: 14px; }

  /* Character cards mobile */
  .race-info p { font-size: 20px; }
  .race-stats .stat { font-size: 18px; }
  .race-stats .stat .lbl { font-size: 16px; }
  .race-skills .skill,
  .race-skills .skill .skill-name { font-size: 18px; }
  .race-skills .skill .skill-cost { font-size: 14px; }
  .char-thumb-short { font-size: 18px; }

  /* Radar mobile */
  .radar-test { font-size: 18px; }
  .radar-label { font-size: 16px; }
  .radar-slider-label { font-size: 18px; }
  .radar-slider-val { font-size: 18px; }
  .radar-total .lbl { font-size: 14px; }
  .radar-total .val { font-size: 24px; }

  /* Lead + fulltext TOC sizes */
  .paper .lead, .long-scroll-paper .lead { font-size: 24px; }
  .closing .lead { font-size: 19px; }
  .fulltext-toc li { grid-template-columns: 72px 1fr; padding: 10px 8px; }
  .fulltext-toc .ft-num { font-size: 14px; }
  .fulltext-toc .ft-title { font-size: 20px; }
  .fulltext-toc .ft-quote { font-size: 16px; }

  /* Character thumbnails — stack 1 column */
  .char-thumb-grid { grid-template-columns: 1fr !important; }

  /* Comic grid — 2 columns */
  .comic-grid,
  .comic-grid.layout-6,
  .comic-grid.layout-feature { grid-template-columns: 1fr 1fr !important; min-height: 0 !important; }

  /* Class list rows readable */
  .class-row { grid-template-columns: 32px 1fr; }
  .class-row .class-combo, .class-row .class-price { grid-column: 2; }

  /* Race card / character page stack */
  .race-page, .char-page { padding: 24px 18px; }
  .race-body { grid-template-columns: 1fr !important; gap: 18px !important; }
  .race-portrait { max-width: 320px; margin: 0 auto; }

  /* Theory + radar */
  .flame-tree { grid-template-columns: 1fr !important; }
  .radar-wrap { grid-template-columns: 1fr !important; gap: 18px; }

  /* Font panel — fullscreen sheet */
  .font-panel {
    position: fixed;
    inset: 60px 0 0 0;
    width: 100%;
    max-width: none;
    border-radius: 0;
    border-left: none;
    border-right: none;
    z-index: 55;
  }

  /* Preview card → bottom toast */
  .preview-card {
    position: fixed !important;
    top: auto !important;
    left: 12px !important;
    right: 12px !important;
    bottom: 86px !important;
    max-width: none !important;
    width: auto !important;
  }

  /* Chapter inline image margins tighter */
  .chapter-full .chapter-md-body img { margin: 20px auto 4px; }

  /* CTA buttons stack */
  .closing-actions { flex-direction: column; gap: 10px; }
  .cta-btn { width: 100%; justify-content: center; text-align: center; }

  /* Folio number smaller in page mode */
  .folio { font-size: 9px; }
}

/* ============== PHONE NHỎ (≤ 480px) ============== */
@media (max-width: 480px) {
  .toggle-bar .brand { font-size: 9.5px; letter-spacing: 0.14em; }
  .variation-toggle button { padding: 5px 8px; font-size: 9.5px; }
  .tool-btn { padding: 5px 8px; font-size: 9.5px; }

  /* Cover smaller hero */
  .paper h1, .long-scroll-paper h1 { font-size: 30px !important; }
  .cover-front h1, .cover-back h1 { font-size: 24px !important; }

  /* Chapter-md-body fits a single screen better — headings only */
  .chapter-full .chapter-md-body h1 { font-size: 28px; }
  .chapter-full .chapter-md-body h2 { font-size: 23px; }
  .chapter-full .chapter-md-body h3 { font-size: 20px; }
  .chapter-full .chapter-md-body h4 { font-size: 17px; }

  /* Body text — Layout A + B share these selectors */
  .paper p, .long-scroll-paper p, .chapter-full .chapter-md-body p {
    font-size: 20px;
    line-height: 1.65;
  }
  .paper li, .long-scroll-paper li, .chapter-full .chapter-md-body li { font-size: 20px; }

  /* Lead trimmed */
  .paper .lead, .long-scroll-paper .lead { font-size: 22px; }

  /* Comic grid stack */
  .comic-grid,
  .comic-grid.layout-6,
  .comic-grid.layout-feature { grid-template-columns: 1fr !important; }

  /* TOC drawer takes more width */
  .scroll-toc { width: 92vw; }

  /* FAB smaller */
  .toc-toggle { padding: 10px 14px; font-size: 11.5px; }
  .toc-toggle-label { font-size: 10px; }
}