/* LibreBook · 自由典籍
   纸墨底色，朱砂为记。无外部字体与依赖。 */

:root {
  --paper: #f4efe4;
  --paper-2: #ece5d6;
  --paper-3: #e3dac8;
  --card: #fbf8f1;
  --ink: #24201a;
  --ink-2: #554e43;
  --muted: #6f6658;
  --faint: #9c9180;
  --line: rgba(58, 48, 34, 0.14);
  --line-strong: rgba(58, 48, 34, 0.26);
  --cinnabar: #a23b2a;
  --cinnabar-soft: rgba(162, 59, 42, 0.085);
  --gold: #96733f;
  --shadow: 0 24px 70px rgba(63, 46, 24, 0.14);
  --shadow-soft: 0 8px 30px rgba(63, 46, 24, 0.08);
  --serif: "Songti SC", "Noto Serif CJK SC", "Source Han Serif SC", "Source Han Serif", "STSong", "SimSun", serif;
  --sans: "PingFang SC", "Hiragino Sans GB", "Noto Sans CJK SC", "Source Han Sans SC", "Microsoft YaHei", system-ui, sans-serif;
  --header-h: 64px;
  --radius: 8px;
  color-scheme: light;
}

[data-theme="dark"] {
  --paper: #151412;
  --paper-2: #1d1b17;
  --paper-3: #27231d;
  --card: #1c1a16;
  --ink: #eae2d4;
  --ink-2: #c3b9a8;
  --muted: #a29684;
  --faint: #756c5e;
  --line: rgba(234, 226, 212, 0.13);
  --line-strong: rgba(234, 226, 212, 0.25);
  --cinnabar: #d97a63;
  --cinnabar-soft: rgba(217, 122, 99, 0.12);
  --gold: #c2a26d;
  --shadow: 0 30px 80px rgba(0, 0, 0, 0.45);
  --shadow-soft: 0 10px 34px rgba(0, 0, 0, 0.3);
  color-scheme: dark;
}

*,
*::before,
*::after { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100dvh;
  background-color: var(--paper);
  background-image:
    radial-gradient(1100px 640px at 12% -12%, rgba(180, 143, 83, 0.09), transparent 62%),
    radial-gradient(900px 520px at 108% 8%, rgba(162, 59, 42, 0.055), transparent 62%),
    repeating-linear-gradient(0deg, rgba(80, 62, 38, 0.018) 0 1px, transparent 1px 3px);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 15px;
  line-height: 1.65;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

[data-theme="dark"] body {
  background-image:
    radial-gradient(1100px 640px at 12% -12%, rgba(194, 162, 109, 0.055), transparent 62%),
    radial-gradient(900px 520px at 108% 8%, rgba(217, 122, 99, 0.045), transparent 62%),
    repeating-linear-gradient(0deg, rgba(255, 245, 225, 0.012) 0 1px, transparent 1px 3px);
}

h1, h2, h3, h4, p, figure, blockquote, ul, ol { margin: 0; }
ul, ol { padding: 0; list-style: none; }
a { color: inherit; text-decoration: none; }
button, input, textarea, select { font: inherit; color: inherit; }
button { cursor: pointer; background: none; border: 0; padding: 0; }
img, svg { display: block; max-width: 100%; }
::selection { background: rgba(162, 59, 42, 0.18); }

:focus-visible {
  outline: 2px solid var(--cinnabar);
  outline-offset: 3px;
  border-radius: 2px;
}

.visually-hidden {
  position: absolute !important;
  width: 1px; height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

/* ---------- buttons & common ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  min-height: 44px;
  padding: 0 20px;
  border-radius: 4px;
  font-size: 13.5px;
  letter-spacing: 0.02em;
  transition: background 0.18s, color 0.18s, border-color 0.18s, transform 0.18s;
}

.btn-primary {
  background: var(--ink);
  color: var(--paper);
  border: 1px solid var(--ink);
}
.btn-primary:hover { background: var(--cinnabar); border-color: var(--cinnabar); }

.btn-ghost {
  border: 1px solid var(--line-strong);
  color: var(--ink-2);
  background: transparent;
}
.btn-ghost:hover { border-color: var(--ink); color: var(--ink); background: var(--paper-2); }

.btn-quiet {
  min-height: 34px;
  padding: 0 12px;
  border-radius: 4px;
  color: var(--muted);
  font-size: 12.5px;
}
.btn-quiet:hover { background: var(--paper-2); color: var(--ink); }

.icon-btn {
  display: inline-grid;
  place-items: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  color: var(--ink-2);
  transition: background 0.16s, color 0.16s;
}
.icon-btn:hover { background: var(--paper-2); color: var(--ink); }
.icon-btn svg { width: 18px; height: 18px; }

.seal {
  display: grid;
  place-items: center;
  width: 32px;
  height: 32px;
  flex: 0 0 auto;
  background: var(--cinnabar);
  color: #f8f1e3;
  font-family: var(--serif);
  font-size: 19px;
  line-height: 1;
  border-radius: 3px;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.28);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-size: 10.5px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--cinnabar);
}
.eyebrow::before {
  content: "";
  width: 28px;
  height: 1px;
  background: currentColor;
  opacity: 0.75;
}

/* ---------- site header ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  gap: 18px;
  height: var(--header-h);
  padding: 0 clamp(16px, 4vw, 44px);
  border-bottom: 1px solid var(--line);
  background: color-mix(in srgb, var(--paper) 88%, transparent);
  backdrop-filter: blur(16px) saturate(1.15);
  -webkit-backdrop-filter: blur(16px) saturate(1.15);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex: 0 0 auto;
}
.brand-text { display: flex; flex-direction: column; line-height: 1.05; }
.brand-name {
  font-family: var(--serif);
  font-size: 19px;
  letter-spacing: 0.01em;
}
.brand-sub {
  font-size: 8.5px;
  letter-spacing: 0.24em;
  color: var(--muted);
  margin-top: 3px;
}

.crumb {
  display: flex;
  align-items: center;
  gap: 8px;
  padding-left: 18px;
  margin-left: 2px;
  border-left: 1px solid var(--line);
  font-size: 12.5px;
  color: var(--muted);
  white-space: nowrap;
}
.crumb strong { font-weight: 500; color: var(--ink-2); }
.crumb .sep { color: var(--faint); }

.site-nav {
  display: flex;
  align-items: center;
  gap: 2px;
  margin-left: 12px;
}
.site-nav a {
  padding: 7px 11px;
  border-radius: 4px;
  font-size: 12.5px;
  color: var(--ink-2);
  white-space: nowrap;
}
.site-nav a:hover { background: var(--paper-2); color: var(--ink); }
.site-nav a[aria-current="page"] { color: var(--cinnabar); }

.header-actions {
  display: flex;
  align-items: center;
  gap: 2px;
  margin-left: auto;
}

.nav-toggle { display: none; }
.nav-toggle .nav-icon-close { display: none; }
.nav-toggle[aria-expanded="true"] .nav-icon-open { display: none; }
.nav-toggle[aria-expanded="true"] .nav-icon-close { display: block; }

.header-kbd {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-right: 6px;
  padding: 5px 9px;
  border: 1px solid var(--line);
  border-radius: 4px;
  font-size: 10.5px;
  color: var(--muted);
}
.header-kbd kbd {
  font-family: var(--sans);
  font-size: 10px;
  color: var(--faint);
}

/* ---------- footer ---------- */

.site-footer {
  border-top: 1px solid var(--line);
  padding: 34px clamp(20px, 4vw, 48px);
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  justify-content: space-between;
  gap: 22px;
  font-size: 12px;
  color: var(--muted);
}
.footer-brand { display: flex; align-items: center; gap: 12px; }
.footer-brand .seal { width: 26px; height: 26px; font-size: 15px; }
.footer-brand p { line-height: 1.6; }
.footer-brand strong { color: var(--ink-2); font-weight: 500; }
.footer-links { display: flex; flex-wrap: wrap; gap: 18px; }
.footer-links a:hover { color: var(--ink); }
.footer-meta { max-width: 26em; line-height: 1.7; }

/* ---------- home ---------- */

.home { overflow-x: clip; }

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.04fr) minmax(0, 0.96fr);
  align-items: center;
  gap: clamp(36px, 6vw, 92px);
  max-width: 1240px;
  min-height: calc(100dvh - var(--header-h));
  margin: 0 auto;
  padding: clamp(48px, 7vw, 96px) clamp(20px, 4vw, 48px) clamp(52px, 6vw, 80px);
}

.hero h1 {
  font-family: var(--serif);
  font-size: clamp(40px, 5.3vw, 70px);
  font-weight: 500;
  line-height: 1.18;
  letter-spacing: 0.005em;
  margin: 22px 0 24px;
}
.hero h1 em {
  font-style: normal;
  color: var(--cinnabar);
  position: relative;
  white-space: nowrap;
}
.hero h1 em::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: 0.06em;
  height: 0.08em;
  background: currentColor;
  opacity: 0.18;
}
.hero-lead {
  max-width: 34em;
  font-size: clamp(14.5px, 1.3vw, 16.5px);
  line-height: 1.95;
  color: var(--ink-2);
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }

.hero-stats {
  display: flex;
  flex-wrap: wrap;
  gap: clamp(20px, 3vw, 38px);
  margin-top: 44px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
}
.stat strong {
  display: block;
  font-family: var(--serif);
  font-size: 27px;
  font-weight: 500;
  line-height: 1.15;
}
.stat span {
  display: block;
  margin-top: 5px;
  font-size: 10px;
  letter-spacing: 0.14em;
  color: var(--muted);
}

.specimen-wrap { position: relative; padding: 10px 6px 18px 10px; }
.specimen-back {
  position: absolute;
  inset: 26px 10px 6px 20px;
  background: var(--paper-2);
  border: 1px solid var(--line);
  transform: rotate(2.4deg);
  border-radius: 2px;
}
.specimen {
  position: relative;
  z-index: 1;
  background: var(--card);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  transform: rotate(-1.3deg);
  padding: clamp(26px, 3.4vw, 42px);
  border-radius: 2px;
}
.specimen::after {
  content: "";
  position: absolute;
  inset: 10px;
  border: 1px solid var(--line);
  pointer-events: none;
}
.specimen-seal {
  position: absolute;
  z-index: 2;
  top: 22px;
  right: 22px;
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  background: var(--cinnabar);
  color: #f8f1e3;
  font-family: var(--serif);
  font-size: 20px;
  border-radius: 3px;
  transform: rotate(2.5deg);
  opacity: 0.94;
}
.specimen-kicker {
  font-size: 9.5px;
  letter-spacing: 0.22em;
  color: var(--muted);
}
.specimen-title {
  font-family: var(--serif);
  font-size: 25px;
  font-weight: 500;
  margin: 7px 0 18px;
  letter-spacing: 0.08em;
}
.specimen-text {
  font-family: var(--serif);
  font-size: clamp(17px, 1.7vw, 21px);
  line-height: 2.05;
  letter-spacing: 0.02em;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--line);
}
.specimen-text .mark {
  color: var(--cinnabar);
  border-bottom: 1px dashed rgba(162, 59, 42, 0.45);
}
.specimen-notes { margin-top: 18px; display: grid; gap: 14px; }
.specimen-note { display: grid; grid-template-columns: auto 1fr; gap: 9px; font-size: 12px; line-height: 1.75; color: var(--ink-2); }
.specimen-note .dot { width: 6px; height: 6px; margin-top: 7px; border-radius: 50%; background: var(--src); }
.specimen-note b { display: block; font-weight: 500; color: var(--ink); font-size: 11px; letter-spacing: 0.05em; }
.specimen-note span { color: var(--muted); }
.specimen-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: 22px;
  font-size: 10.5px;
  color: var(--muted);
}
.specimen-foot .mini-link { color: var(--cinnabar); }
.specimen-foot .mini-link:hover { text-decoration: underline; }

.source-strip {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 14px clamp(22px, 4vw, 48px);
  padding: 17px 24px;
  border-block: 1px solid var(--line);
  background: var(--paper-2);
  font-size: 11.5px;
  color: var(--muted);
}
.source-strip span { display: inline-flex; align-items: center; gap: 8px; }
.source-strip i {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--src);
}

.section {
  max-width: 1240px;
  margin: 0 auto;
  padding: clamp(64px, 8vw, 110px) clamp(20px, 4vw, 48px);
}
.section-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 30px clamp(30px, 6vw, 80px);
  align-items: end;
  margin-bottom: clamp(34px, 4vw, 54px);
}
.section-head h2 {
  font-family: var(--serif);
  font-size: clamp(30px, 3.4vw, 44px);
  font-weight: 500;
  line-height: 1.32;
  margin-top: 14px;
}
.section-head p {
  font-size: 14px;
  line-height: 1.9;
  color: var(--ink-2);
  max-width: 38em;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
.feature {
  display: flex;
  flex-direction: column;
  min-height: 252px;
  padding: 26px 24px 30px;
  background: var(--paper);
}
.feature-no { font-size: 10px; letter-spacing: 0.16em; color: var(--cinnabar); }
.feature h3 {
  font-family: var(--serif);
  font-size: 20px;
  font-weight: 500;
  margin: 38px 0 11px;
  letter-spacing: 0.02em;
}
.feature p { font-size: 12.5px; line-height: 1.9; color: var(--ink-2); }
.feature .feature-more {
  margin-top: auto;
  padding-top: 22px;
  font-size: 11px;
  color: var(--muted);
}

.quote-band {
  position: relative;
  overflow: hidden;
  background: var(--ink);
  color: var(--paper);
}
.quote-band::before {
  content: "「";
  position: absolute;
  left: -0.08em;
  top: -0.36em;
  font-family: var(--serif);
  font-size: 420px;
  line-height: 1;
  color: rgba(255, 255, 255, 0.045);
  pointer-events: none;
}
.quote-band .inner {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(0, 0.75fr);
  gap: 40px clamp(30px, 6vw, 90px);
  align-items: center;
  max-width: 1140px;
  margin: 0 auto;
  padding: clamp(60px, 8vw, 104px) clamp(20px, 4vw, 48px);
}
.quote-band blockquote {
  font-family: var(--serif);
  font-size: clamp(23px, 2.9vw, 36px);
  line-height: 1.85;
  letter-spacing: 0.02em;
}
.quote-band cite {
  display: block;
  margin-top: 22px;
  font-style: normal;
  font-size: 10.5px;
  letter-spacing: 0.2em;
  color: #d6917f;
}
.quote-band .quote-gloss {
  font-size: 13.5px;
  line-height: 1.95;
  color: rgba(244, 239, 228, 0.66);
  padding-left: 20px;
  border-left: 1px solid rgba(244, 239, 228, 0.18);
}
.quote-band .quote-gloss strong { display: block; color: var(--paper); font-weight: 500; margin-bottom: 7px; font-size: 11px; letter-spacing: 0.14em; }

.how {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: clamp(30px, 6vw, 90px);
  align-items: start;
}
.how-steps { display: grid; gap: 0; border-top: 1px solid var(--line); }
.how-step {
  display: grid;
  grid-template-columns: 54px 1fr;
  gap: 18px;
  padding: 25px 0;
  border-bottom: 1px solid var(--line);
}
.how-step .no {
  font-family: var(--serif);
  font-size: 22px;
  color: var(--cinnabar);
  line-height: 1.2;
}
.how-step h3 { font-size: 15px; font-weight: 500; margin-bottom: 5px; }
.how-step p { font-size: 12.5px; line-height: 1.85; color: var(--ink-2); }

.home-cta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: clamp(26px, 4vw, 42px);
  border: 1px solid var(--line);
  background: var(--card);
  box-shadow: var(--shadow-soft);
}
.home-cta h2 {
  font-family: var(--serif);
  font-size: clamp(22px, 2.6vw, 31px);
  font-weight: 500;
  line-height: 1.45;
}
.home-cta p { margin-top: 7px; font-size: 12.5px; color: var(--muted); }
.home-cta .actions { display: flex; flex-wrap: wrap; gap: 10px; }

/* ---------- content pages (sources / about) ---------- */

.page {
  max-width: 1080px;
  margin: 0 auto;
  padding: clamp(48px, 7vw, 88px) clamp(20px, 4vw, 48px) clamp(70px, 8vw, 110px);
}
.page-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  gap: 40px;
  align-items: end;
  padding-bottom: clamp(32px, 4vw, 52px);
  border-bottom: 1px solid var(--line);
  margin-bottom: clamp(36px, 5vw, 60px);
}
.page-hero h1 {
  font-family: var(--serif);
  font-size: clamp(34px, 4.4vw, 54px);
  font-weight: 500;
  line-height: 1.25;
  margin: 16px 0 16px;
}
.page-hero .lead {
  max-width: 42em;
  font-size: 14.5px;
  line-height: 1.95;
  color: var(--ink-2);
}
.page-hero .side-note {
  padding: 18px 20px;
  border-left: 2px solid var(--cinnabar);
  background: var(--paper-2);
  font-size: 11.5px;
  line-height: 1.85;
  color: var(--muted);
}
.page-hero .side-note strong { display: block; color: var(--ink-2); font-weight: 500; margin-bottom: 4px; font-size: 11px; letter-spacing: 0.08em; }
.page kbd {
  display: inline-block;
  padding: 1px 5px;
  margin: 0 1px;
  border: 1px solid var(--line);
  border-bottom-width: 2px;
  border-radius: 3px;
  background: var(--card);
  font-family: var(--sans);
  font-size: 0.86em;
  line-height: 1.55;
  color: var(--ink-2);
}

.prose { max-width: 46em; }
.prose h2 {
  font-family: var(--serif);
  font-size: 26px;
  font-weight: 500;
  line-height: 1.4;
  margin: 48px 0 16px;
  padding-top: 22px;
  border-top: 1px solid var(--line);
}
.prose h2:first-child { margin-top: 0; padding-top: 0; border-top: 0; }
.prose h3 { font-size: 15px; font-weight: 500; margin: 26px 0 8px; }
.prose p { font-size: 14px; line-height: 1.95; color: var(--ink-2); margin: 0 0 14px; }
.prose p strong { color: var(--ink); font-weight: 500; }
.prose ul { margin: 0 0 18px; display: grid; gap: 8px; }
.prose li {
  position: relative;
  padding-left: 18px;
  font-size: 13.5px;
  line-height: 1.85;
  color: var(--ink-2);
}
.prose li::before {
  content: "";
  position: absolute;
  left: 2px; top: 0.78em;
  width: 5px; height: 5px;
  border: 1px solid var(--cinnabar);
  transform: rotate(45deg);
}
.prose a { color: var(--cinnabar); text-decoration: underline; text-underline-offset: 3px; }
.prose a:hover { text-decoration-thickness: 2px; }
.prose code {
  padding: 1px 5px;
  background: var(--paper-2);
  border-radius: 3px;
  font-size: 0.9em;
}
.callout {
  margin: 22px 0;
  padding: 18px 20px;
  background: var(--paper-2);
  border-left: 2px solid var(--gold);
  font-size: 12.5px;
  line-height: 1.9;
  color: var(--ink-2);
}
.callout strong { color: var(--ink); font-weight: 500; }
.callout.warn { border-left-color: var(--cinnabar); }

.source-cards { display: grid; gap: 12px; margin: 8px 0 30px; }
.source-card {
  position: relative;
  display: grid;
  grid-template-columns: 150px minmax(0, 1fr) 80px;
  gap: 22px;
  align-items: start;
  padding: 20px 22px 20px 26px;
  background: var(--card);
  border: 1px solid var(--line);
}
.source-card::before {
  content: "";
  position: absolute;
  left: 0; top: 16px; bottom: 16px;
  width: 2px;
  background: var(--src);
}
.source-card h3 {
  font-family: var(--serif);
  font-size: 18px;
  font-weight: 500;
  margin: 0 0 5px;
}
.source-card .who { font-size: 11.5px; color: var(--muted); line-height: 1.65; }
.source-card p { font-size: 12.5px; line-height: 1.85; color: var(--ink-2); }
.source-card .count {
  text-align: right;
  font-family: var(--serif);
  font-size: 25px;
  color: var(--src);
  line-height: 1;
}
.source-card .count span { display: block; font-family: var(--sans); font-size: 9.5px; letter-spacing: 0.14em; color: var(--muted); margin-top: 7px; }

.edition-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  margin: 22px 0 30px;
}
.edition-cell { background: var(--card); padding: 20px 22px; }
.edition-cell dt { font-size: 10px; letter-spacing: 0.16em; color: var(--muted); margin-bottom: 7px; }
.edition-cell dd { margin: 0; font-size: 13px; line-height: 1.75; color: var(--ink-2); }
.edition-cell dd strong { color: var(--ink); font-weight: 500; }

.license-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin: 18px 0 28px; }
.license-card { padding: 18px 18px 20px; border: 1px solid var(--line); background: var(--card); }
.license-card .k { font-size: 10px; letter-spacing: 0.15em; color: var(--muted); }
.license-card .v { font-family: var(--serif); font-size: 18px; margin-top: 8px; }
.license-card .d { margin-top: 6px; font-size: 11px; line-height: 1.7; color: var(--muted); }

/* ---------- open dataset page ---------- */

.dataset-stats {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 1px;
  margin-bottom: clamp(36px, 5vw, 58px);
  border: 1px solid var(--line);
  background: var(--line);
}
.dataset-stats > div { padding: 16px 10px 15px; background: var(--card); text-align: center; }
.dataset-stats strong { display: block; font-family: var(--serif); font-size: 26px; font-weight: 500; line-height: 1.2; }
.dataset-stats span { display: block; margin-top: 5px; font-size: 8.5px; letter-spacing: 0.1em; color: var(--muted); }
.dataset-section { margin-top: clamp(42px, 5vw, 64px); }
.dataset-section-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(220px, 380px);
  gap: 32px;
  align-items: end;
  margin-bottom: 20px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
}
.dataset-section-head h2 { margin-top: 9px; font-family: var(--serif); font-size: clamp(25px, 3vw, 32px); font-weight: 500; line-height: 1.35; }
.dataset-section-head > p { font-size: 11px; line-height: 1.9; color: var(--muted); }
.data-downloads { display: grid; gap: 22px; }
.data-group-head { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; margin-bottom: 8px; }
.data-group-head h3 { font-size: 10px; font-weight: 500; letter-spacing: 0.14em; color: var(--ink-2); }
.data-group-head span { font-size: 8.5px; color: var(--faint); }
.data-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; }
.data-card {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 15px 16px 13px;
  border: 1px solid var(--line);
  background: var(--card);
  transition: border-color 0.14s, box-shadow 0.14s, transform 0.14s;
}
.data-card:hover { border-color: var(--line-strong); box-shadow: var(--shadow-soft); transform: translateY(-1px); }
.data-card-top { display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.data-format {
  padding: 1px 6px;
  border: 1px solid color-mix(in srgb, var(--cinnabar) 30%, transparent);
  border-radius: 3px;
  font-size: 8px;
  letter-spacing: 0.08em;
  color: var(--cinnabar);
}
.data-size { font-size: 8.5px; color: var(--faint); }
.data-card h3 { font-family: var(--serif); font-size: 15px; font-weight: 500; }
.data-card p { flex: 1 1 auto; font-size: 10.5px; line-height: 1.7; color: var(--muted); }
.data-hash { padding-top: 8px; border-top: 1px dashed var(--line); }
.data-hash code { font-size: 8px; color: var(--faint); word-break: break-all; }
.dataset-fineprint { margin-top: 12px; font-size: 10px; line-height: 1.8; color: var(--faint); }
.dataset-fineprint a { color: var(--cinnabar); text-decoration: underline; text-underline-offset: 2px; }
.table-wrap { overflow-x: auto; border: 1px solid var(--line); background: var(--card); }
.schema-table { width: 100%; min-width: 720px; border-collapse: collapse; font-size: 11px; }
.schema-table th {
  padding: 10px 12px;
  border-bottom: 1px solid var(--line-strong);
  background: var(--paper-2);
  text-align: left;
  font-size: 8.5px;
  font-weight: 500;
  letter-spacing: 0.12em;
  color: var(--muted);
}
.schema-table td { padding: 9px 12px; border-bottom: 1px solid var(--line); line-height: 1.7; color: var(--ink-2); vertical-align: top; }
.schema-table tr:last-child td { border-bottom: 0; }
.schema-table code, .dataset-notes code, .citation-box code {
  padding: 1px 4px;
  border-radius: 2px;
  background: var(--paper-2);
  font-size: 9.5px;
}
.dataset-notes { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; }
.dataset-notes article { padding: 16px 17px 18px; border: 1px solid var(--line); background: var(--card); }
.dataset-notes h3 { margin-bottom: 7px; font-family: var(--serif); font-size: 16px; font-weight: 500; }
.dataset-notes p { font-size: 11px; line-height: 1.85; color: var(--muted); }
.changelog { display: grid; gap: 10px; }
.release { padding: 16px 18px 15px; border: 1px solid var(--line); background: var(--card); }
.release.is-current { border-left: 2px solid var(--cinnabar); }
.release header { display: flex; flex-wrap: wrap; align-items: baseline; gap: 10px; }
.release-version {
  padding: 1px 7px;
  border-radius: 999px;
  background: var(--cinnabar-soft);
  color: var(--cinnabar);
  font-size: 8.5px;
  letter-spacing: 0.04em;
}
.release h3 { font-family: var(--serif); font-size: 15px; font-weight: 500; }
.release time { margin-left: auto; font-size: 9px; color: var(--faint); }
.release ul { display: grid; gap: 5px; margin: 10px 0 0; }
.release li { position: relative; padding-left: 14px; font-size: 11px; line-height: 1.8; color: var(--ink-2); }
.release li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 0.72em;
  width: 4px;
  height: 4px;
  border: 1px solid var(--cinnabar);
  transform: rotate(45deg);
}
.release-source { margin-top: 9px; padding-top: 8px; border-top: 1px dashed var(--line); font-size: 9px; line-height: 1.7; color: var(--faint); }
.citation-box { margin-top: 18px; padding: 18px 20px; border: 1px solid var(--line); background: var(--card); }
.citation-kicker { margin-bottom: 8px; font-size: 8.5px; letter-spacing: 0.16em; color: var(--cinnabar); }
.citation-box pre { font-family: var(--serif); font-size: 12.5px; line-height: 1.9; color: var(--ink-2); white-space: pre-wrap; }
.citation-box p { margin-top: 9px; font-size: 9.5px; color: var(--faint); }
.manifest-sha { display: block; margin-top: 4px; background: transparent; font-size: 8px; line-height: 1.6; word-break: break-all; }

.faq { display: grid; gap: 0; border-top: 1px solid var(--line); margin-top: 8px; }
.faq details { border-bottom: 1px solid var(--line); padding: 16px 0; }
.faq summary {
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  font-size: 14px;
  color: var(--ink);
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "＋"; color: var(--muted); font-size: 13px; }
.faq details[open] summary::after { content: "－"; }
.faq details p { margin: 12px 0 0; font-size: 12.5px; line-height: 1.9; color: var(--ink-2); }

/* ---------- reader shell ---------- */

.reader-page { height: 100dvh; overflow: hidden; }
.reader-page .site-header { position: relative; }

.reader-shell {
  display: grid;
  grid-template-columns: 228px minmax(0, 1fr) 400px;
  height: calc(100dvh - var(--header-h));
}

/* outline */

.outline {
  display: flex;
  flex-direction: column;
  min-height: 0;
  padding: 26px 18px 22px;
  border-right: 1px solid var(--line);
  background: color-mix(in srgb, var(--paper-2) 42%, transparent);
  overflow-y: auto;
}
.outline-kicker { font-size: 9px; letter-spacing: 0.2em; color: var(--muted); }
.outline-title {
  font-family: var(--serif);
  font-size: 25px;
  font-weight: 500;
  margin: 6px 0 3px;
  letter-spacing: 0.06em;
}
.outline-sub { font-size: 10.5px; color: var(--muted); letter-spacing: 0.06em; }

.progress { margin: 24px 0 20px; }
.progress-bar { height: 2px; background: var(--line); overflow: hidden; }
.progress-fill { height: 100%; width: 0; background: var(--cinnabar); transition: width 0.4s ease; }
.progress-text {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  margin-top: 8px;
  font-size: 9.5px;
  letter-spacing: 0.06em;
  color: var(--muted);
}

.outline-list { display: flex; flex-direction: column; gap: 1px; }
.outline-item {
  display: grid;
  grid-template-columns: 20px minmax(0, 1fr);
  gap: 8px;
  align-items: baseline;
  width: 100%;
  padding: 7px 8px;
  border-radius: 4px;
  text-align: left;
  font-size: 12px;
  line-height: 1.5;
  color: var(--ink-2);
  transition: background 0.14s, color 0.14s;
}
.outline-item .no {
  font-size: 9px;
  letter-spacing: 0.04em;
  color: var(--faint);
  font-variant-numeric: tabular-nums;
}
.outline-item:hover { background: var(--paper-2); color: var(--ink); }
.outline-item.is-active { background: var(--cinnabar-soft); color: var(--ink); }
.outline-item.is-active .no { color: var(--cinnabar); }
.outline-item .txt {
  display: block;
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
  font-family: var(--serif);
  letter-spacing: 0.02em;
}

.outline-foot {
  margin-top: auto;
  padding-top: 22px;
  font-size: 9.5px;
  line-height: 1.75;
  color: var(--faint);
}
.outline-foot a { color: var(--muted); text-decoration: underline; text-underline-offset: 2px; }
.outline-foot a:hover { color: var(--ink); }
.outline-foot .reset { margin-top: 6px; font-size: 9.5px; color: var(--faint); text-decoration: underline; }
.outline-author { display: block; margin-top: 7px; font-size: 9.5px; color: var(--faint); }

/* main text */

.reader-main {
  position: relative;
  min-width: 0;
  overflow-y: auto;
  overflow-x: hidden;
  padding: 34px clamp(20px, 4.2vw, 64px) 120px;
  scroll-behavior: smooth;
}
.reader-inner { max-width: 44rem; margin: 0 auto; }

.chapter-head { padding-bottom: 22px; border-bottom: 1px solid var(--line); }
.chapter-kicker {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  font-size: 9.5px;
  letter-spacing: 0.18em;
  color: var(--muted);
}
.chapter-kicker .dot { width: 3px; height: 3px; border-radius: 50%; background: var(--faint); }
.chapter-title {
  font-family: var(--serif);
  font-size: clamp(32px, 4vw, 44px);
  font-weight: 500;
  line-height: 1.25;
  letter-spacing: 0.1em;
  margin: 8px 0 10px;
}
.chapter-desc {
  max-width: 40em;
  font-size: 12.5px;
  line-height: 1.9;
  color: var(--ink-2);
}

.toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 22px 0 4px;
}
.toolbar .spacer { flex: 1 1 auto; }
.toolbar .divider { width: 1px; height: 22px; background: var(--line); margin: 0 4px; }

.seg {
  display: inline-flex;
  align-items: center;
  gap: 1px;
  padding: 2px;
  border: 1px solid var(--line);
  border-radius: 5px;
  background: var(--paper-2);
}
.seg button {
  min-height: 28px;
  padding: 0 10px;
  border-radius: 3px;
  font-size: 11px;
  color: var(--muted);
  transition: background 0.14s, color 0.14s, box-shadow 0.14s;
}
.seg button:hover { color: var(--ink); }
.seg button[aria-pressed="true"] {
  background: var(--card);
  color: var(--ink);
  box-shadow: 0 1px 3px rgba(60, 45, 25, 0.12);
}

.text {
  margin-top: 30px;
  font-family: var(--serif);
  font-size: calc(clamp(18px, 1.55vw, 21px) * var(--reader-font-scale, 1));
  line-height: var(--reader-line-height, 2.18);
  letter-spacing: 0.018em;
  color: var(--ink);
  transition: opacity 0.18s;
}
.text.is-rendering { opacity: 0.4; }

.para {
  margin: 0 0 1.35em;
  text-indent: 2em;
}
.para:last-child { margin-bottom: 0; }

.sent {
  position: relative;
  border-radius: 2px;
  cursor: pointer;
  transition: background 0.16s, box-shadow 0.16s;
  scroll-margin-block: 120px;
}
.sent:hover { background: rgba(150, 115, 63, 0.075); }
.sent.is-active {
  background: var(--cinnabar-soft);
  box-shadow: inset 0 -1px 0 rgba(162, 59, 42, 0.32);
}
.sent .n {
  display: inline-block;
  margin-left: 0.18em;
  vertical-align: 0.62em;
  font-family: var(--sans);
  font-size: 0.5em;
  font-weight: 500;
  letter-spacing: 0;
  text-indent: 0;
  color: var(--cinnabar);
  opacity: 0.78;
  transition: opacity 0.14s;
}
.sent:hover .n, .sent.is-active .n { opacity: 1; }
.sent .n .dot {
  display: inline-block;
  width: 3px;
  height: 3px;
  margin-left: 2px;
  border-radius: 50%;
  background: var(--gold);
  vertical-align: 2px;
}
.sent .vmark {
  display: none;
  margin-left: 0.22em;
  padding: 0 0.18em;
  border: 1px solid color-mix(in srgb, var(--gold) 55%, transparent);
  border-radius: 2px;
  font-family: var(--sans);
  font-size: 0.34em;
  text-indent: 0;
  color: var(--gold);
  vertical-align: 0.7em;
  line-height: 1.5;
}

.ch {
  cursor: pointer;
  transition: background 0.12s, color 0.12s;
}
.ch:hover { background: rgba(150, 115, 63, 0.12); }
.ch.has-note {
  border-bottom: 1px dashed color-mix(in srgb, var(--gold) 55%, transparent);
  padding-bottom: 0.02em;
}
.ch.is-open { background: var(--cinnabar-soft); box-shadow: inset 0 -1px 0 var(--cinnabar); }

[data-mode="baiwen"] .sent .n,
[data-mode="baiwen"] .sent .vmark { display: none !important; }
[data-mode="baiwen"] .ch { cursor: text; }
[data-mode="baiwen"] .ch:hover { background: transparent; }
[data-mode="baiwen"] .ch.has-note { border-bottom-color: transparent; }
[data-mode="kaoju"] .sent .vmark { display: inline-block; }

.chapter-end {
  max-width: 44rem;
  margin: 54px auto 0;
  padding-top: 22px;
  border-top: 1px solid var(--line);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  font-size: 11px;
  color: var(--muted);
}
.chapter-end .end-seal {
  display: inline-grid;
  place-items: center;
  width: 30px;
  height: 30px;
  border: 1px solid var(--cinnabar);
  border-radius: 2px;
  color: var(--cinnabar);
  font-family: var(--serif);
  font-size: 15px;
  opacity: 0.8;
}
.chapter-end a { color: var(--cinnabar); }

/* vertical writing */

.reader-main.is-vertical { overflow-x: hidden; }
.reader-main.is-vertical .reader-inner { max-width: none; }
.reader-main.is-vertical .chapter-head,
.reader-main.is-vertical .toolbar,
.reader-main.is-vertical .chapter-end { max-width: 44rem; margin-left: auto; margin-right: auto; }
.reader-main.is-vertical .text {
  width: 100%;
  max-width: none;
  height: clamp(340px, calc(100dvh - 330px), 720px);
  margin-top: 26px;
  padding: 6px 4px 10px;
  overflow-x: auto;
  overflow-y: hidden;
  writing-mode: vertical-rl;
  text-orientation: mixed;
  line-height: 2.05;
  scrollbar-width: thin;
}
.reader-main.is-vertical .para {
  display: inline;
  margin: 0;
  text-indent: 0;
}
.reader-main.is-vertical .para + .para::before {
  content: "　　　";
  color: transparent;
}
.reader-main.is-vertical .sent { scroll-margin-block: 0; scroll-margin-inline: 80px; }
.reader-main.is-vertical .chapter-end { display: none; }

.vertical-hint {
  display: none;
  align-items: center;
  gap: 8px;
  margin: 12px auto 0;
  max-width: 44rem;
  font-size: 10.5px;
  color: var(--muted);
}
body[data-vertical="true"] .vertical-hint { display: flex; }
.vertical-hint::before { content: "↔"; color: var(--cinnabar); }

/* right panel */

.panel {
  position: relative;
  display: flex;
  flex-direction: column;
  min-height: 0;
  border-left: 1px solid var(--line);
  background: color-mix(in srgb, var(--card) 55%, var(--paper));
  z-index: 20;
}
.panel-scroll {
  flex: 1 1 auto;
  min-height: 0;
  overflow-y: auto;
  overscroll-behavior: contain;
}
.panel-inner { padding: 24px 24px 40px; }

.panel-empty { padding: 38px 28px; }
.panel-empty .glyph {
  font-family: var(--serif);
  font-size: 54px;
  line-height: 1;
  color: var(--cinnabar);
  opacity: 0.78;
}
.panel-empty h2 {
  font-family: var(--serif);
  font-size: 22px;
  font-weight: 500;
  margin: 18px 0 10px;
}
.panel-empty p { font-size: 12px; line-height: 1.9; color: var(--muted); }
.panel-empty .mini-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
  margin-top: 26px;
}
.panel-empty .mini-stats div {
  padding: 12px 12px 13px;
  border: 1px solid var(--line);
  background: var(--card);
}
.panel-empty .mini-stats strong {
  display: block;
  font-family: var(--serif);
  font-size: 20px;
  font-weight: 500;
}
.panel-empty .mini-stats span {
  display: block;
  margin-top: 1px;
  font-size: 9px;
  letter-spacing: 0.1em;
  color: var(--muted);
}
.panel-empty .kbd-hints {
  margin-top: 26px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  display: grid;
  gap: 7px;
  font-size: 10.5px;
  color: var(--muted);
}
.panel-empty kbd {
  display: inline-block;
  min-width: 20px;
  padding: 1px 5px;
  margin-right: 6px;
  border: 1px solid var(--line);
  border-radius: 3px;
  background: var(--paper-2);
  font-family: var(--sans);
  font-size: 9.5px;
  text-align: center;
  color: var(--ink-2);
}
.panel-author { margin-top: 22px; font-size: 10px; letter-spacing: 0.03em; color: var(--faint); }
.panel-author a { color: var(--muted); text-decoration: underline; text-underline-offset: 2px; }

.panel-head { padding-bottom: 16px; }
.panel-head-top {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 9px;
}
.panel-eyebrow {
  font-size: 9.5px;
  letter-spacing: 0.15em;
  color: var(--muted);
}
.panel-eyebrow b { color: var(--cinnabar); font-weight: 500; }
.panel-close {
  display: none;
  margin-left: auto;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  color: var(--muted);
}
.panel-close:hover { background: var(--paper-2); color: var(--ink); }
.panel-close svg { width: 15px; height: 15px; margin: 0 auto; }
.panel-sentence {
  font-family: var(--serif);
  font-size: 17px;
  line-height: 1.85;
  letter-spacing: 0.015em;
  color: var(--ink);
}
.panel-sentence .hl { color: var(--cinnabar); }

.translation {
  margin-top: 15px;
  padding: 14px 15px;
  background: var(--paper-2);
  border-radius: 4px;
}
.translation .label,
.panel-section-label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 9px;
  letter-spacing: 0.16em;
  color: var(--muted);
  margin-bottom: 6px;
}
.translation .label::before,
.panel-section-label::before {
  content: "";
  width: 12px;
  height: 1px;
  background: var(--cinnabar);
  opacity: 0.7;
}
.translation p { font-size: 12.5px; line-height: 1.85; color: var(--ink-2); }

.panel-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 14px;
}
.action-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 31px;
  padding: 0 10px;
  border: 1px solid var(--line);
  border-radius: 4px;
  font-size: 10.5px;
  color: var(--ink-2);
  background: var(--card);
  transition: border-color 0.14s, color 0.14s, background 0.14s;
}
.action-btn:hover { border-color: var(--line-strong); color: var(--ink); background: var(--paper-2); }
.action-btn svg { width: 13px; height: 13px; }
.action-btn.primary { border-color: color-mix(in srgb, var(--cinnabar) 40%, transparent); color: var(--cinnabar); }
.action-btn.primary:hover { background: var(--cinnabar-soft); }

.panel-tabs {
  position: sticky;
  top: 0;
  z-index: 3;
  display: flex;
  gap: 2px;
  margin: 20px -24px 0;
  padding: 0 24px;
  border-bottom: 1px solid var(--line);
  background: color-mix(in srgb, var(--card) 78%, var(--paper));
  backdrop-filter: blur(8px);
}
.panel-tab {
  position: relative;
  padding: 11px 10px 10px;
  font-size: 11px;
  color: var(--muted);
}
.panel-tab:hover { color: var(--ink); }
.panel-tab[aria-selected="true"] { color: var(--ink); }
.panel-tab[aria-selected="true"]::after {
  content: "";
  position: absolute;
  left: 8px; right: 8px; bottom: -1px;
  height: 2px;
  background: var(--cinnabar);
}
.panel-tab .count { font-size: 9px; color: var(--faint); margin-left: 3px; }
.panel-tab[aria-selected="true"] .count { color: var(--cinnabar); }

.filter-row {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
  margin: 14px 0 4px;
}
.filter-chip {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 4px 8px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 9.5px;
  color: var(--muted);
  background: transparent;
  opacity: 0.55;
  transition: opacity 0.14s, border-color 0.14s, background 0.14s, color 0.14s;
}
.filter-chip i { width: 5px; height: 5px; border-radius: 50%; background: var(--src); }
.filter-chip[aria-pressed="true"] {
  opacity: 1;
  color: var(--ink-2);
  border-color: color-mix(in srgb, var(--src) 40%, var(--line));
  background: color-mix(in srgb, var(--src) 5%, transparent);
}
.filter-chip:hover { opacity: 0.9; }

.note-list { display: grid; gap: 11px; margin-top: 16px; }
.note-card {
  position: relative;
  padding: 14px 15px 13px 18px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 4px;
}
.note-card::before {
  content: "";
  position: absolute;
  left: 0; top: 12px; bottom: 12px;
  width: 2px;
  background: var(--src);
  opacity: 0.85;
}
.note-card.is-flash { animation: note-flash 1.6s ease; }
@keyframes note-flash {
  0%, 100% { box-shadow: 0 0 0 0 rgba(162, 59, 42, 0); }
  20%, 60% { box-shadow: 0 0 0 2px rgba(162, 59, 42, 0.28); }
}
.note-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  margin-bottom: 7px;
  font-size: 9.5px;
  color: var(--muted);
}
.note-meta .src-name { color: var(--src); font-weight: 500; letter-spacing: 0.04em; }
.note-meta .kind {
  padding: 1px 5px;
  border: 1px solid var(--line);
  border-radius: 2px;
  font-size: 8.5px;
  letter-spacing: 0.06em;
  color: var(--muted);
}
.note-meta .range { margin-left: auto; color: var(--faint); font-size: 8.5px; }
.note-lemma {
  font-family: var(--serif);
  font-size: 12px;
  color: var(--ink);
  margin-bottom: 4px;
  letter-spacing: 0.04em;
}
.note-lemma::before { content: "【"; color: var(--faint); }
.note-lemma::after { content: "】"; color: var(--faint); }
.note-text {
  font-family: var(--serif);
  font-size: 12.8px;
  line-height: 1.9;
  color: var(--ink-2);
  word-break: break-word;
}
.note-text .num {
  font-family: var(--sans);
  font-size: 8px;
  color: var(--faint);
  vertical-align: 0.25em;
}
.note-author {
  margin-top: 7px;
  font-size: 9.5px;
  color: var(--muted);
}
.note-cite {
  margin-top: 7px;
  padding-top: 7px;
  border-top: 1px dashed var(--line);
  font-size: 9px;
  color: var(--faint);
  letter-spacing: 0.02em;
}
.note-empty {
  padding: 26px 16px;
  text-align: center;
  font-size: 11.5px;
  line-height: 1.8;
  color: var(--muted);
  border: 1px dashed var(--line);
  border-radius: 4px;
}
.panel-note-foot {
  margin-top: 18px;
  font-size: 9px;
  line-height: 1.8;
  color: var(--faint);
}

.collation-list { display: grid; gap: 10px; margin-top: 14px; }
.collation {
  padding: 13px 14px;
  border: 1px solid var(--line);
  background: var(--card);
  border-radius: 4px;
}
.collation h4 {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--serif);
  font-size: 13px;
  font-weight: 500;
  margin-bottom: 6px;
}
.collation h4::before {
  content: "";
  width: 5px; height: 5px;
  border: 1px solid var(--gold);
  transform: rotate(45deg);
}
.collation p { font-size: 11.5px; line-height: 1.85; color: var(--ink-2); font-family: var(--serif); }
.collation cite { display: block; margin-top: 6px; font-style: normal; font-size: 8.5px; color: var(--faint); }
.variant-list { display: grid; gap: 8px; margin: 10px 0 0; }
.variant-item {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 7px;
  padding: 9px 11px;
  background: var(--paper-2);
  border-radius: 3px;
  font-size: 10.5px;
  color: var(--ink-2);
}
.variant-item b { font-family: var(--serif); font-size: 13px; font-weight: 500; color: var(--ink); }
.variant-item .tag { font-size: 8.5px; color: var(--muted); }
.subhead {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 22px 0 4px;
  font-size: 9px;
  letter-spacing: 0.16em;
  color: var(--muted);
}
.subhead::after { content: ""; flex: 1; height: 1px; background: var(--line); }

.edition-note {
  margin-top: 22px;
  padding: 12px 13px;
  background: var(--paper-2);
  border-radius: 3px;
  font-size: 9.5px;
  line-height: 1.8;
  color: var(--muted);
}

.local-note-form { margin-top: 16px; }
.local-note-form textarea {
  width: 100%;
  min-height: 96px;
  padding: 11px 12px;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: var(--card);
  font-size: 12px;
  line-height: 1.8;
  resize: vertical;
}
.local-note-form textarea:focus { outline: none; border-color: var(--line-strong); box-shadow: 0 0 0 3px var(--cinnabar-soft); }
.local-note-form .form-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-top: 8px;
}
.local-note-form .hint { font-size: 9px; color: var(--faint); }
.local-note-form .save {
  min-height: 30px;
  padding: 0 13px;
  border-radius: 3px;
  background: var(--ink);
  color: var(--paper);
  font-size: 10.5px;
}
.local-note-form .save:hover { background: var(--cinnabar); }
.local-notes { display: grid; gap: 8px; margin-top: 18px; }
.local-note {
  padding: 11px 12px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 4px;
}
.local-note p { font-size: 12px; line-height: 1.8; white-space: pre-wrap; word-break: break-word; }
.local-note .meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-top: 7px;
  font-size: 8.5px;
  color: var(--faint);
}
.local-note .del { color: var(--faint); text-decoration: underline; text-underline-offset: 2px; }
.local-note .del:hover { color: var(--cinnabar); }
.local-tools { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 18px; }
.local-tools button {
  font-size: 9.5px;
  color: var(--muted);
  text-decoration: underline;
  text-underline-offset: 2px;
}
.local-tools button:hover { color: var(--cinnabar); }

/* ---------- dialogs ---------- */

.dialog {
  width: min(1420px, 95vw);
  max-width: none;
  max-height: 90dvh;
  padding: 0;
  border: 1px solid var(--line-strong);
  border-radius: 10px;
  background: var(--card);
  color: var(--ink);
  box-shadow: 0 40px 120px rgba(15, 10, 4, 0.42);
  overflow: hidden;
}
.dialog::backdrop {
  background: rgba(22, 18, 12, 0.56);
  backdrop-filter: blur(4px);
}
.dialog-head {
  display: flex;
  align-items: flex-start;
  gap: 18px;
  padding: 18px 24px 16px;
  border-bottom: 1px solid var(--line);
  background: color-mix(in srgb, var(--card) 82%, var(--paper));
}
.dialog-head .grow { flex: 1 1 auto; min-width: 0; }
.dialog-kicker { font-size: 9px; letter-spacing: 0.18em; color: var(--cinnabar); margin-bottom: 4px; }
.dialog-title {
  font-family: var(--serif);
  font-size: 18px;
  font-weight: 500;
  line-height: 1.6;
  overflow: hidden;
  text-overflow: ellipsis;
}
.dialog-sub { margin-top: 3px; font-size: 11px; color: var(--muted); }
.dialog-close {
  flex: 0 0 auto;
  width: 32px; height: 32px;
  border-radius: 50%;
  color: var(--muted);
}
.dialog-close:hover { background: var(--paper-2); color: var(--ink); }
.dialog-close svg { width: 16px; height: 16px; margin: 0 auto; }
.dialog-body { overflow: auto; max-height: calc(90dvh - 88px); }

.compare-body { padding: 18px 22px 24px; }
.compare-note {
  margin-bottom: 14px;
  font-size: 10px;
  color: var(--muted);
}
.compare-swipe { display: none; }
.compare-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(240px, 1fr));
  gap: 12px;
  min-width: 1260px;
}
.compare-col {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  border: 1px solid var(--line);
  border-radius: 5px;
  background: var(--paper);
  overflow: hidden;
}
.compare-col.translation-col { background: var(--paper-2); }
.compare-col-head {
  padding: 12px 14px;
  border-bottom: 1px solid var(--line);
  background: color-mix(in srgb, var(--src, var(--gold)) 5%, var(--card));
}
.compare-col-head h3 {
  display: flex;
  align-items: center;
  gap: 7px;
  font-size: 11.5px;
  font-weight: 500;
  color: var(--src, var(--ink));
}
.compare-col-head h3 i { width: 6px; height: 6px; border-radius: 50%; background: var(--src, var(--gold)); }
.compare-col-head p { margin-top: 3px; font-size: 9px; line-height: 1.6; color: var(--muted); }
.compare-col-body { padding: 12px; display: grid; gap: 10px; align-content: start; flex: 1; }
.compare-note-card { padding: 9px 10px; border: 1px solid var(--line); border-radius: 3px; background: var(--card); }
.compare-note-card .lemma {
  font-family: var(--serif);
  font-size: 10.5px;
  color: var(--src, var(--ink));
  margin-bottom: 3px;
}
.compare-note-card .txt {
  font-family: var(--serif);
  font-size: 11.5px;
  line-height: 1.85;
  color: var(--ink-2);
}
.compare-note-card .cite { margin-top: 5px; font-size: 8px; color: var(--faint); }
.compare-empty {
  padding: 14px 10px;
  text-align: center;
  font-size: 10px;
  color: var(--faint);
  border: 1px dashed var(--line);
  border-radius: 3px;
}
.compare-note-top { display: flex; align-items: baseline; justify-content: space-between; gap: 8px; }
.compare-note-top .lemma { margin-bottom: 0; }
.compare-work {
  flex: 0 0 auto;
  padding: 1px 6px;
  border: 1px solid color-mix(in srgb, var(--src, var(--gold)) 30%, var(--line));
  border-radius: 999px;
  font-size: 7.5px;
  letter-spacing: 0.04em;
  color: color-mix(in srgb, var(--src, var(--gold)) 58%, var(--ink));
  background: color-mix(in srgb, var(--src, var(--gold)) 6%, var(--card));
  white-space: nowrap;
}
.compare-note-card .note-rel { margin-top: 7px; }

.compare-chain {
  display: flex;
  align-items: stretch;
  gap: 12px;
  margin-bottom: 14px;
  padding: 9px 12px;
  border: 1px solid var(--line);
  border-radius: 5px;
  background: var(--paper-2);
  overflow-x: auto;
}
.compare-chain-label {
  flex: 0 0 auto;
  display: grid;
  align-content: center;
  padding-right: 12px;
  border-right: 1px solid var(--line);
  font-size: 9px;
  letter-spacing: 0.1em;
  color: var(--muted);
}
.compare-chain-label span { margin-top: 2px; font-size: 7.5px; letter-spacing: 0; color: var(--faint); }
.compare-chain-track { display: flex; align-items: center; gap: 6px; min-width: max-content; }
.compare-chain-step {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 2px 6px;
  min-width: 140px;
  padding: 7px 10px;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: var(--card);
  text-align: left;
}
.compare-chain-step:hover { border-color: var(--line-strong); background: color-mix(in srgb, var(--src, var(--gold)) 5%, var(--card)); }
.compare-chain-step b { font-size: 9.5px; font-weight: 500; color: color-mix(in srgb, var(--src, var(--ink)) 65%, var(--ink)); }
.compare-chain-step em { font-style: normal; font-size: 8px; color: var(--faint); }
.compare-chain-step small { grid-column: 1 / -1; font-size: 7.5px; color: var(--faint); white-space: nowrap; }
.compare-chain-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--src, var(--gold)); }

/* concept matrix */

.matrix-dialog { width: min(1280px, 96vw); }
.matrix-body { padding: 0 22px 26px; }
.matrix-concepts {
  position: sticky;
  top: 0;
  z-index: 3;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  padding: 12px 0;
  background: var(--card);
  border-bottom: 1px solid var(--line);
}
.matrix-concept {
  padding: 4px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 10px;
  color: var(--muted);
  background: var(--paper);
}
.matrix-concept:hover { border-color: var(--line-strong); color: var(--ink); }
.matrix-concept.is-active {
  border-color: color-mix(in srgb, var(--cinnabar) 45%, transparent);
  color: var(--cinnabar);
  background: var(--cinnabar-soft);
}
.matrix-intro {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(200px, 0.8fr);
  gap: 24px;
  align-items: end;
  padding: 18px 0 16px;
}
.matrix-eyebrow { font-size: 8px; letter-spacing: 0.18em; color: var(--cinnabar); }
.matrix-intro h3 { margin-top: 5px; font-family: var(--serif); font-size: 20px; font-weight: 500; line-height: 1.5; }
.matrix-intro > div > p { margin-top: 7px; font-size: 11.5px; line-height: 1.85; color: var(--ink-2); }
.matrix-disclaimer {
  padding-left: 12px;
  border-left: 2px solid var(--line);
  font-size: 8.5px;
  line-height: 1.85;
  color: var(--faint);
}
.matrix-grid { display: grid; grid-template-columns: repeat(4, minmax(190px, 1fr)); gap: 10px; }
.matrix-cell {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 13px 14px 14px;
  border: 1px solid var(--line);
  border-top: 2px solid var(--src, var(--gold));
  border-radius: 4px;
  background: color-mix(in srgb, var(--src, var(--gold)) 3%, var(--paper));
}
.matrix-cell-head { display: flex; flex-direction: column; gap: 2px; }
.matrix-cell-head span {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 10px;
  font-weight: 500;
  color: color-mix(in srgb, var(--src, var(--gold)) 62%, var(--ink));
}
.matrix-cell-head span i { flex: 0 0 auto; width: 6px; height: 6px; border-radius: 50%; background: var(--src, var(--gold)); }
.matrix-cell-head em { font-style: normal; font-size: 8px; letter-spacing: 0.05em; color: var(--faint); }
.matrix-cell > p { flex: 1 1 auto; font-family: var(--serif); font-size: 11.5px; line-height: 1.85; color: var(--ink-2); }
.matrix-notes { display: flex; flex-wrap: wrap; gap: 4px; padding-top: 8px; border-top: 1px dashed var(--line); }
.matrix-note {
  padding: 2px 6px;
  border: 1px solid var(--line);
  border-radius: 3px;
  font-size: 8px;
  color: var(--muted);
  background: var(--card);
}
.matrix-note:hover { border-color: var(--cinnabar); color: var(--cinnabar); }
.matrix-no-note { font-size: 8.5px; color: var(--faint); }
.matrix-chain { margin-top: 26px; padding-top: 18px; border-top: 1px solid var(--line); }
.matrix-chain-title { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; }
.matrix-chain-title h4 { font-size: 10.5px; font-weight: 500; letter-spacing: 0.1em; color: var(--ink-2); }
.matrix-chain-title span { font-size: 8.5px; color: var(--faint); }
.matrix-chain-list { display: grid; gap: 0; margin-top: 12px; }
.matrix-chain-node { position: relative; display: grid; grid-template-columns: 16px minmax(0, 1fr); gap: 10px; padding-bottom: 12px; }
.matrix-chain-node:not(:last-child)::before {
  content: "";
  position: absolute;
  left: 5px;
  top: 14px;
  bottom: -2px;
  width: 1px;
  background: var(--line);
}
.matrix-chain-dot {
  width: 7px;
  height: 7px;
  margin: 7px 0 0 2px;
  border-radius: 50%;
  background: var(--src, var(--gold));
  box-shadow: 0 0 0 3px var(--card);
}
.matrix-chain-card { padding: 10px 14px 11px; border: 1px solid var(--line); border-radius: 4px; background: var(--paper); }
.matrix-chain-head { display: flex; align-items: center; gap: 8px; }
.matrix-chain-head b { font-size: 9.5px; font-weight: 500; color: color-mix(in srgb, var(--src, var(--gold)) 62%, var(--ink)); }
.matrix-chain-rel { padding: 1px 6px; border: 1px solid var(--line); border-radius: 999px; font-size: 7.5px; color: var(--muted); }
.matrix-chain-head button {
  margin-left: auto;
  border-bottom: 1px dotted var(--line-strong);
  font-size: 8px;
  color: var(--faint);
}
.matrix-chain-head button:hover { color: var(--cinnabar); }
.matrix-chain-lemma { margin-top: 4px; font-family: var(--serif); font-size: 10px; color: var(--faint); }
.matrix-chain-card p { margin-top: 4px; font-family: var(--serif); font-size: 11.5px; line-height: 1.85; color: var(--ink-2); }

/* search */

.dialog.search-dialog { width: min(780px, 93vw); }
.search-input-wrap {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 15px 22px;
  border-bottom: 1px solid var(--line);
}
.search-input-wrap svg { width: 18px; height: 18px; color: var(--muted); flex: 0 0 auto; }
.search-input {
  width: 100%;
  border: 0;
  background: transparent;
  font-family: var(--serif);
  font-size: 19px;
  line-height: 1.5;
  color: var(--ink);
}
.search-input:focus { outline: none; }
.search-input::placeholder { color: var(--faint); font-size: 15px; }
.search-kbd {
  flex: 0 0 auto;
  padding: 2px 6px;
  border: 1px solid var(--line);
  border-radius: 3px;
  font-size: 9px;
  color: var(--faint);
}
.search-results { overflow-y: auto; max-height: min(62dvh, 560px); padding: 10px 14px 18px; }
.search-hint { padding: 16px 10px; font-size: 11.5px; line-height: 1.9; color: var(--muted); }
.search-hint .chips { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 10px; }
.search-hint .chips button {
  padding: 3px 9px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 10px;
  color: var(--muted);
}
.search-hint .chips button:hover { border-color: var(--line-strong); color: var(--ink); }
.result-group { margin-top: 10px; }
.result-group h4 {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px 6px;
  font-size: 9px;
  letter-spacing: 0.16em;
  color: var(--muted);
}
.result-group h4::after { content: ""; flex: 1; height: 1px; background: var(--line); }
.result-group h4 span {
  order: 3;
  flex: 0 0 auto;
  font-size: 8.5px;
  letter-spacing: 0.04em;
  color: var(--faint);
}
.result .r-sub {
  margin-top: 3px;
  font-family: var(--serif);
  font-size: 11px;
  line-height: 1.7;
  color: var(--muted);
}
.result .r-meta .search-chapter {
  padding: 1px 5px;
  border: 1px solid var(--line);
  border-radius: 2px;
  color: var(--ink-2);
}
.result .r-meta .search-chapter.is-current { color: var(--faint); }
.search-scope-note {
  display: inline-flex;
  align-items: center;
  margin-right: 4px;
  font-size: 9px;
  letter-spacing: 0.08em;
  color: var(--faint);
}
.search-result-scope {
  padding: 8px 10px 0;
  font-size: 9px;
  color: var(--faint);
}
.collation.is-flash { animation: note-flash 1.6s ease; }
.result {
  display: block;
  width: 100%;
  text-align: left;
  padding: 10px 10px 11px;
  border-radius: 4px;
}
.result:hover { background: var(--paper-2); }
.result .r-text {
  font-family: var(--serif);
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--ink);
}
.result .r-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-top: 4px;
  font-size: 9px;
  color: var(--muted);
}
.result .r-meta i { width: 5px; height: 5px; border-radius: 50%; background: var(--src, var(--faint)); }
.result .r-meta .quote { font-family: var(--serif); color: var(--ink-2); }
.result mark {
  background: rgba(162, 59, 42, 0.16);
  color: inherit;
  border-radius: 2px;
  padding: 0 1px;
}
.no-results { padding: 30px 16px; text-align: center; font-size: 12px; color: var(--muted); }

/* char card */

.char-card {
  position: fixed;
  z-index: 130;
  width: min(348px, calc(100vw - 24px));
  max-height: calc(100dvh - 28px);
  overflow-y: auto;
  overscroll-behavior: contain;
  padding: 18px 20px 17px;
  background: var(--card);
  border: 1px solid var(--line-strong);
  border-radius: 7px;
  box-shadow: var(--shadow);
  display: none;
}
.char-card.is-open { display: block; animation: card-in 0.16s ease; }
@keyframes card-in {
  from { opacity: 0; transform: translateY(4px) scale(0.985); }
  to { opacity: 1; transform: none; }
}
.char-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 12px; }
.char-glyph {
  font-family: var(--serif);
  font-size: 42px;
  line-height: 1;
  letter-spacing: 0.04em;
  color: var(--ink);
}
.char-pinyin {
  margin-top: 7px;
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--cinnabar);
}
.char-close {
  width: 28px; height: 28px;
  border-radius: 50%;
  color: var(--faint);
  flex: 0 0 auto;
}
.char-close:hover { background: var(--paper-2); color: var(--ink); }
.char-close svg { width: 14px; height: 14px; margin: 0 auto; }
.char-section { margin-top: 14px; padding-top: 12px; border-top: 1px solid var(--line); }
.char-label {
  font-size: 8.5px;
  letter-spacing: 0.16em;
  color: var(--muted);
  margin-bottom: 5px;
}
.char-section p { font-size: 12px; line-height: 1.8; color: var(--ink-2); }
.char-meta { display: flex; flex-wrap: wrap; gap: 5px; margin-top: 9px; }
.char-tag {
  padding: 2px 7px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 9px;
  color: var(--muted);
}
.char-tag.ref { color: var(--ink-2); background: var(--paper-2); }
.char-none { font-size: 11.5px; line-height: 1.8; color: var(--muted); }
.char-gloss { margin-top: 8px; padding: 9px 10px; background: var(--paper-2); border-radius: 3px; font-size: 11px; line-height: 1.75; color: var(--ink-2); }

/* note relation links */

.note-rel {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 5px;
  margin-top: 9px;
  padding-top: 8px;
  border-top: 1px dashed var(--line);
}
.note-rel-label {
  font-size: 8px;
  letter-spacing: 0.14em;
  color: var(--faint);
  margin-right: 2px;
}
.note-rel-link {
  padding: 2px 7px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 8.5px;
  color: var(--muted);
  background: var(--card);
}
.note-rel-link:hover { border-color: var(--line-strong); color: var(--cinnabar); }
.note-rel-mention { font-size: 8.5px; color: var(--faint); }

/* char card · lexicon hooks */

.char-meta-label {
  flex: 0 0 100%;
  font-size: 8px;
  letter-spacing: 0.14em;
  color: var(--faint);
}
.char-term-link { font: inherit; cursor: pointer; }
.char-term-link:hover { border-color: var(--cinnabar); color: var(--cinnabar); }
.char-occurrences .char-label { display: flex; align-items: baseline; justify-content: space-between; }
.char-occurrences .char-label span { letter-spacing: 0.06em; color: var(--faint); }
.char-occ-list { display: grid; gap: 1px; }
.char-occ-item {
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr);
  gap: 7px;
  align-items: baseline;
  padding: 5px 0;
  border-bottom: 1px dashed var(--line);
  text-align: left;
}
.char-occ-item span { font-size: 8.5px; color: var(--faint); white-space: nowrap; }
.char-occ-item em {
  display: -webkit-box;
  overflow: hidden;
  font-family: var(--serif);
  font-style: normal;
  font-size: 11px;
  line-height: 1.6;
  color: var(--ink-2);
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}
.char-occ-item:hover em { color: var(--ink); }
.char-occ-item mark, .lexicon-occurrence mark { background: var(--cinnabar-soft); color: var(--cinnabar); padding: 0 1px; }
.char-lex-open {
  width: 100%;
  margin-top: 10px;
  padding: 7px 10px;
  border: 1px solid var(--line);
  border-radius: 4px;
  font-size: 10px;
  color: var(--cinnabar);
  background: var(--card);
  text-align: center;
}
.char-lex-open:hover { border-color: var(--cinnabar); background: var(--cinnabar-soft); }

/* lexicon dialog */

.lexicon-dialog { width: min(1120px, 96vw); }
.lexicon-body { display: flex; flex-direction: column; padding: 0; }
.lexicon-toolbar {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 12px 22px;
  border-bottom: 1px solid var(--line);
  background: color-mix(in srgb, var(--card) 70%, var(--paper));
}
.lexicon-search-wrap {
  flex: 0 1 360px;
  display: flex;
  align-items: center;
  gap: 9px;
  min-height: 34px;
  padding: 0 11px;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: var(--card);
}
.lexicon-search-wrap:focus-within { border-color: var(--line-strong); }
.lexicon-search-wrap > span {
  flex: 0 0 auto;
  font-size: 9px;
  letter-spacing: 0.12em;
  color: var(--faint);
}
.lexicon-search {
  flex: 1 1 auto;
  min-width: 0;
  padding: 7px 0;
  border: 0;
  background: transparent;
  font-family: var(--serif);
  font-size: 14px;
  color: var(--ink);
}
.lexicon-search:focus { outline: none; }
.lexicon-search::placeholder { color: var(--faint); font-size: 12px; }
.lexicon-toolbar > p { font-size: 9px; line-height: 1.8; color: var(--faint); }
.lexicon-layout {
  display: grid;
  grid-template-columns: 264px minmax(0, 1fr);
  height: min(64dvh, 600px);
  min-height: 320px;
}
.lexicon-list {
  overflow-y: auto;
  overscroll-behavior: contain;
  padding: 8px;
  border-right: 1px solid var(--line);
  background: color-mix(in srgb, var(--paper-2) 55%, var(--card));
}
.lexicon-item {
  position: relative;
  display: grid;
  gap: 2px;
  width: 100%;
  padding: 8px 10px;
  border: 1px solid transparent;
  border-radius: 4px;
  text-align: left;
}
.lexicon-item:hover { background: var(--paper-2); }
.lexicon-item.is-selected { background: var(--card); border-color: var(--line); }
.lexicon-item-main { display: flex; align-items: baseline; gap: 7px; padding-right: 40px; }
.lexicon-item-main b { font-family: var(--serif); font-size: 17px; font-weight: 500; line-height: 1.3; }
.lexicon-item-main em { font-style: normal; font-size: 8.5px; letter-spacing: 0.04em; color: var(--cinnabar); }
.lexicon-item-sub {
  overflow: hidden;
  font-size: 9.5px;
  color: var(--muted);
  white-space: nowrap;
  text-overflow: ellipsis;
}
.lexicon-item-count { position: absolute; top: 10px; right: 10px; font-size: 8px; color: var(--faint); }
.lexicon-empty { padding: 26px 14px; text-align: center; font-size: 10.5px; line-height: 1.8; color: var(--muted); }
.lexicon-detail { overflow-y: auto; overscroll-behavior: contain; }
.lexicon-detail-inner { max-width: 780px; padding: 20px 24px 30px; }
.lexicon-detail-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 20px; }
.lexicon-detail-kicker { font-size: 8.5px; letter-spacing: 0.14em; color: var(--cinnabar); }
.lexicon-glyph { margin-top: 6px; font-family: var(--serif); font-size: 44px; line-height: 1.1; }
.lexicon-pinyin { margin-top: 2px; font-size: 10.5px; letter-spacing: 0.08em; color: var(--cinnabar); }
.lexicon-detail-tags {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 4px;
  max-width: 50%;
  padding-top: 4px;
}
.lexicon-senses { display: grid; gap: 9px; margin-top: 16px; }
.lexicon-sense { padding: 11px 13px; border: 1px solid var(--line); border-radius: 4px; background: var(--paper); }
.lexicon-sense .char-label { margin-bottom: 4px; }
.lexicon-sense p { font-family: var(--serif); font-size: 12.5px; line-height: 1.85; color: var(--ink-2); }
.lexicon-sense .char-meta { margin-top: 0; }
.lexicon-section { margin-top: 22px; }
.lexicon-section-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: 7px;
  border-bottom: 1px solid var(--line);
}
.lexicon-section-head h4 { font-size: 10px; font-weight: 500; letter-spacing: 0.1em; color: var(--ink-2); }
.lexicon-section-head span { font-size: 8.5px; color: var(--faint); }
.lexicon-form { margin-top: 10px; }
.lexicon-form + .lexicon-form { margin-top: 14px; }
.lexicon-form-head { display: flex; align-items: baseline; gap: 8px; margin-bottom: 3px; }
.lexicon-form-head b { font-family: var(--serif); font-size: 15px; font-weight: 500; }
.lexicon-form-head span { font-size: 8.5px; color: var(--faint); }
.lexicon-occurrences { display: grid; gap: 1px; }
.lexicon-occurrence {
  display: grid;
  grid-template-columns: 52px minmax(0, 1fr);
  gap: 8px;
  align-items: baseline;
  padding: 6px 8px;
  border-radius: 3px;
  text-align: left;
}
.lexicon-occurrence:hover { background: var(--paper-2); }
.lexicon-occurrence span { font-size: 8.5px; color: var(--faint); white-space: nowrap; }
.lexicon-occurrence em { font-family: var(--serif); font-style: normal; font-size: 11.5px; line-height: 1.75; color: var(--ink-2); }
.lexicon-phon { margin-top: 8px; padding: 10px 12px; border: 1px solid var(--line); border-radius: 4px; background: var(--paper); }
.lexicon-phon-head { display: flex; align-items: baseline; justify-content: space-between; gap: 10px; }
.lexicon-phon-head b { font-size: 9px; font-weight: 500; letter-spacing: 0.06em; color: var(--muted); }
.lexicon-phon-head span { font-family: var(--serif); font-size: 10px; color: var(--faint); }
.lexicon-phon p { margin-top: 5px; font-family: var(--serif); font-size: 11.5px; line-height: 1.8; color: var(--ink-2); }
.lexicon-phon cite { display: block; margin-top: 4px; font-size: 8px; font-style: normal; color: var(--faint); }
.lexicon-refs { margin-top: 8px; font-size: 9px; line-height: 1.8; color: var(--faint); }
.lexicon-muted { padding: 10px 2px; font-size: 10px; line-height: 1.8; color: var(--faint); }

/* toast */

.toast {
  position: fixed;
  left: 50%;
  bottom: 28px;
  transform: translate(-50%, 12px);
  z-index: 200;
  max-width: calc(100vw - 32px);
  padding: 9px 16px;
  border-radius: 999px;
  background: var(--ink);
  color: var(--paper);
  font-size: 11.5px;
  letter-spacing: 0.02em;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s, transform 0.2s;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}
.toast.is-open { opacity: 1; transform: translate(-50%, 0); }

/* loading / error */

.reader-loading {
  display: grid;
  place-items: center;
  min-height: calc(100dvh - var(--header-h));
  padding: 40px;
  text-align: center;
  color: var(--muted);
  font-size: 12px;
}
.reader-loading .seal { margin: 0 auto 16px; animation: pulse 1.6s ease-in-out infinite; }
@keyframes pulse { 0%, 100% { opacity: 0.55; } 50% { opacity: 1; } }
.load-error { max-width: 30em; margin: 0 auto; padding: 24px; border: 1px solid var(--line); background: var(--card); }
.load-error h2 { font-family: var(--serif); font-size: 20px; font-weight: 500; margin-bottom: 8px; color: var(--ink); }
.load-error p { font-size: 12px; line-height: 1.8; }
.load-error code { display: block; margin-top: 10px; font-size: 10.5px; word-break: break-all; }

/* ---------- 404 ---------- */

.notfound {
  display: grid;
  place-items: center;
  min-height: calc(100dvh - var(--header-h));
  padding: 40px 20px;
  text-align: center;
}
.notfound .code {
  font-family: var(--serif);
  font-size: clamp(80px, 14vw, 150px);
  line-height: 1;
  color: var(--cinnabar);
  opacity: 0.2;
}
.notfound h1 {
  font-family: var(--serif);
  font-size: clamp(26px, 3vw, 36px);
  font-weight: 500;
  margin: -18px 0 10px;
}
.notfound p { max-width: 28em; font-size: 13px; line-height: 1.85; color: var(--muted); margin-bottom: 24px; }
.notfound .actions { display: flex; flex-wrap: wrap; justify-content: center; gap: 10px; }

/* ---------- responsive ---------- */

@media (max-width: 1240px) {
  .reader-shell { grid-template-columns: 208px minmax(0, 1fr) 370px; }
  .reader-main { padding-left: 34px; padding-right: 34px; }
  .panel-inner { padding: 22px 20px 36px; }
  .panel-tabs { margin-left: -20px; margin-right: -20px; padding-left: 20px; padding-right: 20px; }
}

@media (max-width: 1080px) {
  .reader-shell { grid-template-columns: minmax(0, 1fr) 370px; }
  .outline { display: none; }
  .hero { min-height: auto; padding-top: 64px; }
  .feature-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .feature { min-height: 210px; }
  .source-card { grid-template-columns: 120px minmax(0, 1fr) 64px; gap: 16px; }
}

@media (max-width: 900px) {
  :root { --header-h: 58px; }
  .site-nav { display: none; }
  .nav-toggle { display: inline-grid; }
  .site-header.nav-open .site-nav {
    display: flex;
    position: absolute;
    top: calc(100% + 8px);
    left: clamp(12px, 4vw, 22px);
    right: clamp(12px, 4vw, 22px);
    margin: 0;
    padding: 8px;
    flex-direction: column;
    align-items: stretch;
    gap: 2px;
    background: var(--paper);
    border: 1px solid var(--line-strong);
    border-radius: 10px;
    box-shadow: 0 18px 50px rgba(30, 20, 8, 0.18);
  }
  .site-header.nav-open .site-nav a {
    display: flex;
    align-items: center;
    min-height: 46px;
    padding: 0 14px;
    border-radius: 6px;
    font-size: 15px;
  }
  .site-header.nav-open .site-nav a:hover,
  .site-header.nav-open .site-nav a[aria-current="page"] { background: var(--paper-2); }
  .crumb { display: none; }
  .header-kbd { display: none; }
  .reader-shell { grid-template-columns: minmax(0, 1fr); }
  .reader-main { padding: 26px 22px 100px; }
  .reader-page { height: auto; overflow: visible; }
  .panel {
    position: fixed;
    left: 0; right: 0; bottom: 0;
    top: auto;
    height: min(76dvh, 660px);
    border-left: 0;
    border-top: 1px solid var(--line-strong);
    border-radius: 14px 14px 0 0;
    box-shadow: 0 -20px 60px rgba(30, 20, 8, 0.25);
    transform: translateY(105%);
    transition: transform 0.28s cubic-bezier(0.22, 0.8, 0.3, 1);
    background: var(--paper);
  }
  body.panel-open .panel { transform: none; }
  .panel::before {
    content: "";
    position: absolute;
    top: 7px; left: 50%;
    width: 34px; height: 3px;
    margin-left: -17px;
    border-radius: 2px;
    background: var(--line-strong);
    z-index: 5;
  }
  .panel-close { display: inline-grid; place-items: center; }
  .panel-inner { padding-top: 28px; }
  .panel-empty { padding-top: 34px; }
  .panel-backdrop {
    position: fixed;
    inset: 0;
    z-index: 15;
    background: rgba(22, 17, 10, 0.32);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.24s;
  }
  body.panel-open .panel-backdrop { opacity: 1; pointer-events: auto; }
  .reader-main.is-vertical .text { height: clamp(300px, 58dvh, 620px); }
  .home-cta { align-items: flex-start; }
}

@media (max-width: 820px) {
  .hero { grid-template-columns: minmax(0, 1fr); gap: 45px; padding-top: 46px; }
  .specimen-wrap { max-width: 520px; width: 100%; margin: 0 auto; }
  .section-head { grid-template-columns: minmax(0, 1fr); align-items: start; }
  .how { grid-template-columns: minmax(0, 1fr); }
  .quote-band .inner { grid-template-columns: minmax(0, 1fr); }
  .quote-band .quote-gloss { border-left: 0; padding-left: 0; border-top: 1px solid rgba(244, 239, 228, 0.18); padding-top: 18px; }
  .page-hero { grid-template-columns: minmax(0, 1fr); }
  .page-hero .side-note { max-width: 34em; }
  .license-grid { grid-template-columns: minmax(0, 1fr); }
}

@media (max-width: 680px) {
  .site-header { gap: 10px; padding: 0 16px; }
  .brand-sub { display: none; }
  .brand-name { font-size: 17px; }
  .header-actions .icon-btn { width: 33px; height: 33px; }
  .hero { padding-left: 20px; padding-right: 20px; }
  .hero h1 { font-size: clamp(36px, 10vw, 48px); }
  .hero-actions .btn { flex: 1 1 auto; }
  .hero-stats { gap: 18px 26px; }
  .stat strong { font-size: 23px; }
  .feature-grid { grid-template-columns: minmax(0, 1fr); }
  .feature { min-height: 0; padding: 24px 22px 26px; }
  .feature h3 { margin-top: 22px; }
  .feature .feature-more { padding-top: 14px; }
  .source-strip { justify-content: flex-start; gap: 10px 20px; }
  .section { padding-left: 20px; padding-right: 20px; }
  .page { padding-left: 20px; padding-right: 20px; }
  .source-card { grid-template-columns: minmax(0, 1fr) 60px; gap: 12px; padding: 18px 18px 18px 22px; }
  .source-card .who { grid-column: 1; }
  .source-card p { grid-column: 1 / -1; }
  .edition-grid { grid-template-columns: minmax(0, 1fr); }
  .home-cta { padding: 22px; }
  .site-footer { padding: 26px 20px; }
  .reader-main { padding: 22px 18px 90px; }
  .chapter-title { font-size: 32px; }
  .toolbar { gap: 6px; }
  .toolbar .divider { display: none; }
  .seg button { padding: 0 8px; }
  .text { font-size: calc(19px * var(--reader-font-scale, 1)); line-height: var(--reader-line-height, 2.15); }
  .sent .n { font-size: 0.4em; }
  .chapter-end { margin-top: 40px; }
  .compare-grid { min-width: 1080px; grid-template-columns: repeat(5, 205px); }
  .dialog-head { padding: 15px 18px 14px; }
  .compare-body { padding: 14px; }
  .compare-swipe { display: block; margin: -8px 0 12px; font-size: 9px; color: var(--faint); }
  .dialog.search-dialog { width: calc(100vw - 20px); }
  .char-card { left: 50% !important; top: auto !important; bottom: 14px; transform: translateX(-50%); width: calc(100vw - 28px); }
  .char-card.is-open { animation: card-up 0.18s ease; }
  @keyframes card-up {
    from { opacity: 0; transform: translate(-50%, 8px); }
    to { opacity: 1; transform: translate(-50%, 0); }
  }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  html { scroll-behavior: auto; }
}

/* ---------- additions: theme icons, skip link, header read ---------- */

.theme-toggle .moon { display: none; }
[data-theme="dark"] .theme-toggle .sun { display: none; }
[data-theme="dark"] .theme-toggle .moon { display: block; }

.header-read {
  display: inline-flex;
  align-items: center;
  height: 32px;
  padding: 0 12px;
  margin-right: 2px;
  white-space: nowrap;
  border: 1px solid var(--line);
  border-radius: 4px;
  font-size: 11.5px;
  color: var(--ink-2);
}
.header-read:hover { border-color: var(--line-strong); color: var(--ink); background: var(--paper-2); }

.skip-link {
  position: fixed;
  left: 14px;
  top: -70px;
  z-index: 300;
  padding: 9px 14px;
  border-radius: 4px;
  background: var(--ink);
  color: var(--paper);
  font-size: 12px;
  transition: top 0.16s;
}
.skip-link:focus { top: 12px; }

.char-card.is-centered {
  left: 50% !important;
  top: 50% !important;
  bottom: auto !important;
  transform: translate(-50%, -50%) !important;
  animation: none;
}

.note-meta .src-name { color: color-mix(in srgb, var(--src) 62%, var(--ink)); }
.compare-col-head h3 { color: color-mix(in srgb, var(--src, var(--ink)) 64%, var(--ink)); }

@media (max-width: 900px) {
  body.panel-open { overflow: hidden; }
}

.side-note kbd {
  display: inline-block;
  padding: 1px 5px;
  margin: 0 2px;
  border: 1px solid var(--line);
  border-radius: 3px;
  background: var(--card);
  font-family: var(--sans);
  font-size: 10px;
  line-height: 1.6;
  color: var(--ink-2);
}
.side-note kbd + br { line-height: 2.1; }

/* ---------- outline dialog (narrow screens) ---------- */

.outline-trigger { display: none; }
@media (max-width: 1080px) {
  .outline-trigger { display: inline-flex; }
}

.outline-dialog { width: min(720px, calc(100vw - 40px)); }
.outline-dialog-body { padding: 16px 20px 20px; }
.outline-dialog-sub { margin-bottom: 12px; font-size: 10.5px; color: var(--muted); }
.dialog-outline-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 2px 10px;
}
.dialog-outline-list .outline-item { padding: 8px 9px; }
.outline-dialog-foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
  margin-top: 18px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  font-size: 10px;
  color: var(--faint);
}
.outline-dialog-foot a { color: var(--muted); text-decoration: underline; text-underline-offset: 2px; }
.outline-dialog-foot .reset { font-size: 10px; color: var(--faint); text-decoration: underline; }
.outline-dialog-foot .reset:hover { color: var(--cinnabar); }
.outline-dialog-foot .outline-author { flex-basis: 100%; margin-top: 0; font-size: 10px; }

@media (max-width: 680px) {
  .outline-dialog { width: calc(100vw - 20px); }
  .outline-dialog-body { padding: 12px 14px 16px; }
  .dialog-outline-list { grid-template-columns: minmax(0, 1fr); }
}

/* 竖排时压缩篇首，给正文留出横向阅读高度 */
.reader-main.is-vertical .chapter-head { padding-bottom: 8px; }
.reader-main.is-vertical .chapter-kicker,
.reader-main.is-vertical .chapter-desc { display: none; }
.reader-main.is-vertical .chapter-title { font-size: 30px; margin: 0 0 6px; }

@media (max-height: 700px) {
  .reader-main.is-vertical .text {
    height: calc(100dvh - 280px);
    min-height: 180px;
  }
}

/* ---------- research view: linked notes, cards, citation & print ---------- */

.sent.is-note-linked {
  background: color-mix(in srgb, var(--gold) 15%, transparent);
  box-shadow: 0 0 0 1px color-mix(in srgb, var(--gold) 34%, transparent);
}
.sent.is-active.is-note-linked {
  background: var(--cinnabar-soft);
  box-shadow: 0 0 0 1px color-mix(in srgb, var(--gold) 46%, transparent), inset 0 -1px 0 rgba(162, 59, 42, 0.32);
}
.note-card.is-linked {
  border-color: color-mix(in srgb, var(--src) 46%, var(--line));
  box-shadow: 0 0 0 2px color-mix(in srgb, var(--src) 10%, transparent);
}
.note-locate {
  margin-left: auto;
  padding: 1px 0;
  color: var(--muted);
  font-size: 8.5px;
  text-decoration: underline;
  text-underline-offset: 2px;
  white-space: nowrap;
}
.note-meta .range + .note-locate { margin-left: 2px; }
.note-locate:hover, .note-card.is-linked .note-locate { color: var(--cinnabar); }
.panel-actions { flex-wrap: wrap; }

.research-form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
  margin-top: 9px;
}
.research-form-grid label, .research-ref-select, .export-content-label {
  display: grid;
  gap: 5px;
  font-size: 9px;
  color: var(--muted);
}
.research-form-grid input, .research-ref-select select, .export-content-label select {
  width: 100%;
  min-height: 32px;
  padding: 5px 8px;
  border: 1px solid var(--line);
  border-radius: 3px;
  background: var(--card);
  color: var(--ink-2);
  font-size: 10.5px;
}
.research-form-grid input:focus, .research-ref-select select:focus, .export-content-label select:focus {
  outline: none;
  border-color: var(--line-strong);
  box-shadow: 0 0 0 3px var(--cinnabar-soft);
}
.research-ref-select { margin-top: 9px; }
.local-note-kicker {
  margin-bottom: 7px;
  color: var(--cinnabar);
  font-size: 9px;
  letter-spacing: 0.12em;
}
.research-quote {
  margin: 0;
  padding: 7px 9px;
  border-left: 2px solid color-mix(in srgb, var(--gold) 60%, transparent);
  background: var(--paper-2);
  font-family: var(--serif);
  font-size: 11.5px;
  line-height: 1.75;
  color: var(--ink-2);
}
.research-ref {
  margin-top: 8px;
  padding: 8px 9px;
  border: 1px solid var(--line);
  border-radius: 3px;
}
.research-ref > span { font-size: 8px; letter-spacing: 0.12em; color: var(--faint); }
.research-ref p {
  display: -webkit-box;
  margin-top: 4px;
  overflow: hidden;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 3;
  font-family: var(--serif);
  font-size: 10.5px;
  line-height: 1.75;
}
.research-ref cite { display: block; margin-top: 4px; font-size: 8px; font-style: normal; color: var(--faint); }
.research-card .research-text { margin-top: 10px; }
.research-tags { display: flex; flex-wrap: wrap; gap: 4px; margin-top: 9px; }
.research-tag {
  padding: 2px 6px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 8px;
  color: var(--muted);
}

.export-dialog { width: min(980px, 94vw); }
.export-body { padding: 18px 22px 24px; }
.export-toolbar { display: flex; flex-wrap: wrap; align-items: end; gap: 10px 14px; }
.export-toolbar .seg { flex: 0 0 auto; }
.export-content-label { min-width: 220px; flex: 1 1 240px; }
.citation-preview {
  max-height: 190px;
  margin-top: 14px;
  padding: 13px 14px;
  overflow: auto;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: var(--paper-2);
  white-space: pre-wrap;
  word-break: break-word;
  font-family: var(--serif);
  font-size: 11.5px;
  line-height: 1.85;
  color: var(--ink-2);
}
.export-actions { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 11px; }
.export-preview-label {
  margin: 22px 0 9px;
  font-size: 9px;
  letter-spacing: 0.16em;
  color: var(--muted);
}
.export-preview {
  max-height: 430px;
  padding: 12px;
  overflow: auto;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: var(--paper);
}

.print-sheet { max-width: 720px; margin: 0 auto; padding: 18px 24px 26px; background: var(--card); }
.print-head { padding-bottom: 15px; border-bottom: 1px solid var(--line); }
.print-brand { font-size: 8px; letter-spacing: 0.18em; color: var(--cinnabar); }
.print-head h1 { margin-top: 6px; font-family: var(--serif); font-size: 20px; font-weight: 500; }
.print-head p { margin-top: 4px; font-size: 9px; color: var(--muted); }
.print-sentence { padding: 18px 0; border-bottom: 1px solid var(--line); }
.print-sentence h2 { font-size: 9px; font-weight: 400; letter-spacing: 0.14em; color: var(--faint); }
.print-original { margin-top: 6px; font-family: var(--serif); font-size: 17px; line-height: 1.9; }
.print-translation { margin-top: 8px; font-size: 10.5px; line-height: 1.8; color: var(--muted); }
.print-translation span { margin-right: 8px; color: var(--cinnabar); font-size: 8px; letter-spacing: 0.12em; }
.print-note { margin-top: 12px; padding-left: 11px; border-left: 2px solid var(--line); }
.print-note h3 { font-size: 10px; font-weight: 500; color: var(--ink-2); }
.print-note p { margin-top: 4px; font-family: var(--serif); font-size: 11px; line-height: 1.85; color: var(--ink-2); }
.print-note cite { display: block; margin-top: 4px; font-size: 8px; font-style: normal; color: var(--faint); }
.print-foot { padding-top: 16px; font-size: 8px; line-height: 1.8; color: var(--faint); word-break: break-all; }
#printRoot { display: none; }

@media (max-width: 900px) {
  .lexicon-layout { grid-template-columns: 220px minmax(0, 1fr); }
  .matrix-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .matrix-intro { grid-template-columns: minmax(0, 1fr); gap: 12px; align-items: start; }
  .matrix-disclaimer { padding: 10px 0 0; border-top: 1px solid var(--line); border-left: 0; }

  .dataset-stats { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .dataset-section-head { grid-template-columns: minmax(0, 1fr); gap: 8px; }
  .data-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .dataset-notes { grid-template-columns: minmax(0, 1fr); }
}

@media (max-width: 680px) {
  .research-form-grid { grid-template-columns: minmax(0, 1fr); }
  .export-dialog { width: calc(100vw - 20px); }
  .export-body { padding: 14px; }
  .export-toolbar { align-items: stretch; }
  .export-content-label { min-width: 100%; }
  .print-sheet { padding: 14px 12px 18px; }

  .lexicon-dialog { width: calc(100vw - 16px); }
  .lexicon-toolbar { flex-direction: column; align-items: stretch; gap: 8px; padding: 12px 16px; }
  .lexicon-toolbar > p { display: none; }
  .lexicon-search-wrap { flex: 1 1 auto; }
  .lexicon-layout { flex: 0 0 auto; grid-template-columns: minmax(0, 1fr); height: auto; min-height: 0; }
  .lexicon-list { max-height: 176px; border-right: 0; border-bottom: 1px solid var(--line); }
  .lexicon-detail { overflow: visible; }
  .lexicon-detail-inner { padding: 16px 16px 24px; }
  .lexicon-detail-head { gap: 12px; }
  .lexicon-glyph { font-size: 36px; }
  .lexicon-detail-tags { max-width: 46%; }
  .lexicon-occurrence { grid-template-columns: 44px minmax(0, 1fr); padding: 6px 4px; }

  .matrix-dialog { width: calc(100vw - 16px); }
  .matrix-body { padding: 0 14px 20px; }
  .matrix-concepts { flex-wrap: nowrap; overflow-x: auto; padding: 10px 0; }
  .matrix-concept { flex: 0 0 auto; }
  .matrix-intro h3 { font-size: 17px; }
  .matrix-grid { grid-template-columns: minmax(0, 1fr); }
  .matrix-chain-title { flex-direction: column; gap: 3px; }
  .compare-chain { align-items: flex-start; }
  .compare-chain-label { padding-top: 6px; }

  .dataset-stats { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .data-grid { grid-template-columns: minmax(0, 1fr); }
  .release time { margin-left: 0; }
}

/* ---------- search fields ---------- */

.search-fields {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 5px;
  padding: 9px 18px;
  border-bottom: 1px solid var(--line);
  background: var(--paper-2);
}
.search-fields-label {
  margin-right: 3px;
  font-size: 9px;
  letter-spacing: 0.14em;
  color: var(--muted);
}
.search-fields button {
  padding: 3px 9px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-size: 10px;
  color: var(--muted);
  transition: background 0.14s, color 0.14s, border-color 0.14s;
}
.search-fields button:hover { color: var(--ink); border-color: var(--line); }
.search-fields button[aria-pressed="true"] {
  background: var(--card);
  border-color: var(--line-strong);
  color: var(--cinnabar);
}
.search-index-status {
  padding: 6px 22px;
  border-bottom: 1px solid var(--line);
  font-size: 9.5px;
  color: var(--muted);
  background: var(--card);
}
.search-index-status.is-error { color: var(--cinnabar); }
.search-field-tag {
  display: inline-flex;
  align-items: center;
  padding: 1px 5px;
  border: 1px solid var(--line);
  border-radius: 2px;
  font-size: 8.5px;
  letter-spacing: 0.04em;
  color: var(--muted);
}
.result .r-chapter { color: var(--faint); }
.result .r-translation {
  margin-top: 4px;
  font-family: var(--serif);
  font-size: 11px;
  line-height: 1.7;
  color: var(--muted);
}
.search-hint .search-tip {
  margin-top: 8px;
  font-size: 10px;
  color: var(--faint);
}
.search-hint .search-tip code {
  padding: 1px 4px;
  background: var(--paper-2);
  border-radius: 2px;
  font-size: 0.95em;
}

/* ---------- typography dialog ---------- */

.type-trigger .type-icon {
  font-family: var(--serif);
  font-size: 11px;
  line-height: 1;
  letter-spacing: -0.04em;
}
.type-dialog { width: min(480px, 92vw); }
.type-body { padding: 20px 24px 22px; }
.type-control { margin-bottom: 18px; }
.type-control label {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  font-size: 11.5px;
  color: var(--ink-2);
}
.type-control output {
  font-family: var(--serif);
  font-size: 16px;
  color: var(--cinnabar);
}
.type-control input[type="range"] {
  width: 100%;
  margin: 11px 0 5px;
  accent-color: var(--cinnabar);
}
.type-scale-marks {
  display: flex;
  justify-content: space-between;
  font-size: 8.5px;
  letter-spacing: 0.08em;
  color: var(--faint);
}
.type-preview {
  margin-top: 20px;
  padding: 18px 18px 16px;
  border: 1px solid var(--line);
  background: var(--paper);
  font-family: var(--serif);
  font-size: calc(19px * var(--reader-font-scale, 1));
  line-height: var(--reader-line-height, 2.18);
  color: var(--ink);
}
.type-foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-top: 14px;
  font-size: 10px;
  line-height: 1.7;
  color: var(--muted);
}
.type-foot .reset {
  font-size: 10px;
  color: var(--cinnabar);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- catalog ---------- */

.catalog { max-width: 1120px; }
.catalog-hero { align-items: start; }
.catalog-hero h1 { letter-spacing: 0.03em; }
.catalog-hero .hero-actions { margin-top: 22px; }
.catalog-stats {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 1px;
  border: 1px solid var(--line);
  background: var(--line);
}
.catalog-stats div {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: 15px 16px 14px;
  background: var(--card);
}
.catalog-stats strong {
  font-family: var(--serif);
  font-size: 24px;
  font-weight: 500;
  line-height: 1;
}
.catalog-stats span {
  font-size: 9.5px;
  letter-spacing: 0.06em;
  color: var(--muted);
}
.catalog-section { margin-top: clamp(46px, 6vw, 72px); }
.catalog-section-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 0.9fr);
  gap: 36px;
  align-items: start;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--line);
}
.catalog-section-head h2 {
  margin-top: 10px;
  font-family: var(--serif);
  font-size: clamp(26px, 3vw, 36px);
  font-weight: 500;
  line-height: 1.3;
}
.catalog-section-head > p {
  padding-top: 18px;
  font-size: 12px;
  line-height: 1.95;
  color: var(--muted);
}
.volume-block { margin-top: 30px; }
.volume-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 20px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line-strong);
}
.volume-kicker {
  font-size: 9px;
  letter-spacing: 0.18em;
  color: var(--cinnabar);
}
.volume-head h3 {
  margin-top: 4px;
  font-family: var(--serif);
  font-size: 24px;
  font-weight: 500;
}
.volume-progress {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 6px;
  font-size: 9.5px;
  color: var(--muted);
}
.volume-track {
  display: block;
  width: 128px;
  height: 3px;
  background: var(--paper-3);
  overflow: hidden;
}
.volume-track span { display: block; height: 100%; background: var(--cinnabar); }
.chapter-list { display: grid; gap: 10px; margin-top: 14px; }
.chapter-card {
  display: grid;
  grid-template-columns: 54px minmax(0, 1fr);
  gap: 18px;
  padding: 22px 24px 20px;
  border: 1px solid var(--line);
  background: var(--card);
}
.chapter-card.is-published {
  border-left: 2px solid var(--cinnabar);
  box-shadow: var(--shadow-soft);
}
.chapter-card.is-planned {
  border-style: dashed;
  background: transparent;
  color: var(--muted);
}
.chapter-no {
  font-family: var(--serif);
  font-size: 26px;
  line-height: 1;
  color: var(--faint);
}
.chapter-card.is-published .chapter-no { color: var(--cinnabar); }
.chapter-top { display: flex; flex-wrap: wrap; align-items: center; gap: 9px; }
.chapter-top h3 {
  font-family: var(--serif);
  font-size: 23px;
  font-weight: 500;
  line-height: 1.35;
  margin-right: 3px;
}
.chapter-top h3 a:hover { color: var(--cinnabar); }
.chapter-badge {
  padding: 2px 7px;
  border: 1px solid rgba(162, 59, 42, 0.28);
  border-radius: 999px;
  font-size: 8.5px;
  letter-spacing: 0.06em;
  color: var(--cinnabar);
  background: var(--cinnabar-soft);
}
.chapter-badge.is-revision { border-color: var(--line-strong); color: var(--ink-2); background: transparent; }
.chapter-badge.is-review { border-color: var(--line); color: var(--muted); background: transparent; }
.chapter-badge.is-planned { border-color: var(--line); color: var(--muted); background: transparent; }
.chapter-summary {
  margin-top: 8px;
  max-width: 52em;
  font-size: 12px;
  line-height: 1.9;
  color: var(--ink-2);
}
.chapter-card.is-planned .chapter-summary { color: var(--muted); }
.chapter-metrics {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 12px;
  font-size: 10px;
  color: var(--muted);
}
.chapter-metrics b {
  font-family: var(--serif);
  font-size: 13px;
  font-weight: 500;
  color: var(--ink-2);
}
.chapter-coverage {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
}
.coverage-row {
  display: grid;
  grid-template-columns: 56px minmax(0, 1fr) 38px;
  align-items: center;
  gap: 8px;
}
.coverage-label { font-size: 9.5px; color: var(--muted); }
.coverage-track {
  display: block;
  height: 3px;
  background: var(--paper-3);
  overflow: hidden;
}
.coverage-fill { display: block; height: 100%; background: var(--gold); }
.coverage-row:first-child .coverage-fill { background: var(--cinnabar); }
.coverage-value {
  font-family: var(--serif);
  font-size: 11px;
  font-weight: 500;
  text-align: right;
  color: var(--ink-2);
}
.chapter-foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: 16px;
}
.chapter-revision { font-size: 9.5px; line-height: 1.7; color: var(--faint); }
.chapter-actions { display: flex; align-items: center; gap: 12px; }
.chapter-actions .btn { min-height: 34px; padding: 0 14px; font-size: 11.5px; }
.chapter-actions .mini-link {
  font-size: 9.5px;
  letter-spacing: 0.08em;
  color: var(--muted);
  text-decoration: underline;
  text-underline-offset: 3px;
}
.chapter-actions .mini-link:hover { color: var(--cinnabar); }
.chapter-pending { font-size: 9.5px; letter-spacing: 0.08em; color: var(--faint); }
.model-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  margin-top: 20px;
  border: 1px solid var(--line);
  background: var(--line);
}
.model-card { padding: 18px 18px 20px; background: var(--card); }
.model-key { font-size: 9px; letter-spacing: 0.16em; color: var(--cinnabar); }
.model-card code {
  display: block;
  margin-top: 8px;
  padding: 5px 7px;
  background: var(--paper-2);
  border-radius: 3px;
  font-size: 10px;
  color: var(--ink-2);
  overflow-wrap: anywhere;
}
.model-card p { margin-top: 9px; font-size: 10.5px; line-height: 1.8; color: var(--muted); }
.model-card p code { display: inline; margin: 0; padding: 0 3px; background: transparent; font-size: 0.95em; }
.catalog-callout {
  margin-top: 14px;
  padding: 15px 18px;
  border-left: 2px solid var(--gold);
  background: var(--paper-2);
  font-size: 11px;
  line-height: 1.9;
  color: var(--ink-2);
}
.catalog-callout code {
  padding: 1px 4px;
  background: var(--card);
  border-radius: 2px;
  font-size: 0.92em;
}
.catalog-data {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin-top: 18px;
}
.catalog-data-card {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 17px 18px 18px;
  border: 1px solid var(--line);
  background: var(--card);
  transition: border-color 0.16s, transform 0.16s;
}
.catalog-data-card:hover { border-color: var(--line-strong); transform: translateY(-1px); }
.catalog-data-card > span { font-family: var(--serif); font-size: 15px; }
.catalog-data-card code {
  font-size: 9.5px;
  color: var(--cinnabar);
  overflow-wrap: anywhere;
}
.catalog-data-card p { font-size: 10px; line-height: 1.75; color: var(--muted); }

/* ---------- library / works ---------- */

.work-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-top: 26px;
}
.work-card {
  display: flex;
  flex-direction: column;
  padding: 24px 22px 20px;
  border: 1px solid var(--line);
  background: var(--card);
}
.work-card.is-live {
  border-color: color-mix(in srgb, var(--cinnabar) 26%, var(--line));
  background:
    linear-gradient(180deg, color-mix(in srgb, var(--cinnabar) 4%, transparent), transparent 42%),
    var(--card);
}
.work-card.is-planned { color: var(--muted); }
.work-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.work-status {
  display: inline-flex;
  align-items: center;
  padding: 3px 8px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 9.5px;
  letter-spacing: 0.12em;
  color: var(--muted);
}
.work-card.is-live .work-status {
  border-color: color-mix(in srgb, var(--cinnabar) 38%, transparent);
  color: var(--cinnabar);
  background: var(--cinnabar-soft);
}
.work-era { font-size: 10px; letter-spacing: 0.06em; color: var(--faint); }
.work-card h3 {
  margin: 20px 0 10px;
  font-family: var(--serif);
  font-size: 30px;
  font-weight: 500;
  letter-spacing: 0.04em;
  line-height: 1.2;
}
.work-card h3 a { color: inherit; }
.work-card h3 a:hover { color: var(--cinnabar); }
.work-card h3 small {
  margin-left: 8px;
  font-size: 14px;
  font-weight: 400;
  color: var(--faint);
  letter-spacing: 0.08em;
}
.work-card p { font-size: 12px; line-height: 1.95; color: var(--muted); }
.work-meta {
  margin-top: auto;
  padding-top: 18px;
  font-size: 10.5px;
  line-height: 1.7;
  letter-spacing: 0.04em;
  color: var(--faint);
}
.work-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 16px;
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
}
.work-cta {
  font-size: 11.5px;
  color: var(--cinnabar);
  text-decoration: underline;
  text-underline-offset: 3px;
}
.work-sub, .work-note { font-size: 10px; color: var(--faint); }
.work-sub { text-decoration: underline; text-underline-offset: 3px; }
.work-sub:hover { color: var(--ink); }

.library-rows {
  margin-top: 26px;
  border-top: 1px solid var(--line-strong);
}
.library-row {
  display: grid;
  grid-template-columns: 48px minmax(110px, 0.7fr) minmax(0, 1.5fr) auto 20px;
  grid-template-areas: "index title scope status arrow";
  align-items: center;
  gap: 18px;
  padding: 17px 6px;
  border-bottom: 1px solid var(--line);
}
a.library-row { transition: background 0.16s, padding 0.16s; }
a.library-row:hover { background: var(--paper-2); padding-left: 12px; padding-right: 12px; }
.library-index { grid-area: index; font-family: var(--serif); font-size: 12px; color: var(--faint); letter-spacing: 0.08em; }
.library-title { grid-area: title; font-family: var(--serif); font-size: 23px; letter-spacing: 0.04em; }
.library-title small { margin-left: 7px; font-size: 12px; color: var(--faint); letter-spacing: 0.06em; }
.library-scope { grid-area: scope; font-size: 11.5px; color: var(--muted); }
.library-status {
  grid-area: status;
  font-size: 9.5px;
  letter-spacing: 0.12em;
  color: var(--faint);
  white-space: nowrap;
}
.library-row.is-live .library-status { color: var(--cinnabar); }
.library-row.is-planned { opacity: 0.62; }
.library-arrow { grid-area: arrow; font-size: 15px; color: var(--faint); text-align: right; }
.library-note { margin-top: 14px; font-size: 10px; color: var(--faint); }

@media (max-width: 900px) {
  .work-grid { grid-template-columns: minmax(0, 1fr); }
  .work-card { padding: 22px 20px 18px; }
  .work-card h3 { margin-top: 16px; }
  .work-meta { padding-top: 14px; }
}

@media (max-width: 680px) {
  .library-row {
    grid-template-columns: 32px minmax(0, 1fr) auto;
    grid-template-areas:
      "index title status"
      "index scope scope";
    gap: 4px 12px;
    padding: 15px 2px;
  }
  a.library-row:hover { padding-left: 2px; padding-right: 2px; }
  .library-title { font-size: 21px; }
  .library-scope { font-size: 10.5px; }
  .library-arrow { display: none; }
}

@media (max-width: 900px) {
  .catalog-stats { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .catalog-section-head { grid-template-columns: minmax(0, 1fr); gap: 4px; }
  .catalog-section-head > p { padding-top: 0; }
  .model-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .catalog-data { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .chapter-coverage { grid-template-columns: minmax(0, 1fr); gap: 8px; }
}

@media (max-width: 680px) {
  .catalog-stats { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .chapter-card { grid-template-columns: 38px minmax(0, 1fr); gap: 12px; padding: 18px 16px 17px; }
  .chapter-no { font-size: 20px; }
  .chapter-top h3 { font-size: 20px; }
  .chapter-metrics { gap: 10px; }
  .chapter-foot { align-items: flex-start; }
  .model-grid, .catalog-data { grid-template-columns: minmax(0, 1fr); }
  .volume-head { align-items: flex-start; }
  .volume-progress { align-items: flex-end; }
  .search-fields { flex-wrap: nowrap; overflow-x: auto; }
  .search-fields button { flex: 0 0 auto; }
  .type-body { padding: 16px 18px 20px; }
}

/* ---------- senior mode ---------- */

.header-senior {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  height: 34px;
  padding: 0 10px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--ink-2);
  font-size: 11.5px;
  white-space: nowrap;
  transition: background 0.16s, border-color 0.16s, color 0.16s;
}
.header-senior:hover { background: var(--paper-2); border-color: var(--line-strong); color: var(--ink); }
.header-senior .senior-mark {
  font-family: var(--serif);
  font-size: 14px;
  line-height: 1;
  color: var(--cinnabar);
}
.header-senior[aria-pressed="true"] {
  border-color: color-mix(in srgb, var(--cinnabar) 48%, transparent);
  background: var(--cinnabar-soft);
  color: var(--cinnabar);
}
.action-btn.senior-trigger .senior-mark {
  font-family: var(--serif);
  font-size: 13px;
  line-height: 1;
}
.action-btn.senior-trigger[aria-pressed="true"] {
  border-color: color-mix(in srgb, var(--cinnabar) 44%, transparent);
  background: var(--cinnabar-soft);
  color: var(--cinnabar);
}

.senior-setting {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  margin: 4px 0 18px;
  padding: 13px 14px;
  border: 1px solid var(--line);
  border-radius: 5px;
  background: var(--paper-2);
}
.senior-setting-copy strong { display: block; font-size: 12.5px; font-weight: 500; color: var(--ink); }
.senior-setting-copy p { margin-top: 4px; font-size: 10.5px; line-height: 1.75; color: var(--muted); }
.senior-switch {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 40px;
  font-size: 11px;
  color: var(--muted);
}
.switch-track {
  display: block;
  width: 44px;
  height: 26px;
  padding: 3px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  background: var(--paper-3);
  transition: background 0.16s, border-color 0.16s;
}
.switch-thumb {
  display: block;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--card);
  box-shadow: 0 1px 3px rgba(40, 30, 16, 0.28);
  transition: transform 0.16s, background 0.16s;
}
.senior-switch[aria-pressed="true"] .switch-track { background: var(--cinnabar); border-color: var(--cinnabar); }
.senior-switch[aria-pressed="true"] .switch-thumb { transform: translateX(18px); background: #fffaf0; }
.senior-switch[aria-pressed="true"] .switch-label { color: var(--cinnabar); }

.senior-bar { display: none; }
html.senior-mode .senior-bar {
  position: fixed;
  left: 50%;
  bottom: max(18px, env(safe-area-inset-bottom));
  z-index: 120;
  display: flex;
  align-items: stretch;
  gap: 6px;
  width: min(620px, calc(100vw - 24px));
  padding: 8px;
  border: 1px solid var(--line-strong);
  border-radius: 13px;
  background: color-mix(in srgb, var(--card) 94%, transparent);
  box-shadow: var(--shadow);
  backdrop-filter: blur(14px);
  transform: translateX(-50%);
}
.senior-bar button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 5px;
  min-height: 48px;
  border: 1px solid var(--line);
  border-radius: 9px;
  background: var(--paper);
  color: var(--ink);
  font-size: 16px;
  font-weight: 500;
  transition: background 0.14s, border-color 0.14s, color 0.14s;
}
.senior-bar button:hover { background: var(--paper-2); border-color: var(--line-strong); }
.senior-bar button:disabled { cursor: default; opacity: 0.45; }
.senior-bar .senior-nav { flex: 1 1 0; }
.senior-bar .senior-pos {
  flex: 0 0 120px;
  display: grid;
  place-items: center;
  padding: 0 4px;
  font-size: 13px;
  line-height: 1.45;
  color: var(--muted);
  text-align: center;
}
.senior-bar .senior-speak {
  flex: 0 0 62px;
  flex-direction: column;
  gap: 1px;
  border-color: color-mix(in srgb, var(--cinnabar) 34%, transparent);
  color: var(--cinnabar);
  font-size: 11px;
}
.senior-bar .senior-speak svg { width: 20px; height: 20px; }
.senior-bar .senior-speak.is-speaking { background: var(--cinnabar); border-color: var(--cinnabar); color: #fffaf0; }
body.panel-open .senior-bar { display: none; }

.action-btn.speak-btn svg { width: 14px; height: 14px; }
.action-btn.speak-btn.is-speaking { border-color: var(--cinnabar); background: var(--cinnabar-soft); color: var(--cinnabar); }

html.senior-mode {
  --ink: #1b1712;
  --ink-2: #3b342a;
  --muted: #51483b;
  --faint: #6b6151;
  --line: rgba(45, 36, 24, 0.22);
  --line-strong: rgba(45, 36, 24, 0.40);
  --cinnabar: #8f2f20;
  --cinnabar-soft: rgba(143, 47, 32, 0.12);
  --gold: #76562b;
}
html.senior-mode[data-theme="dark"] {
  --ink: #f4ecde;
  --ink-2: #d8cdbb;
  --muted: #b8ab96;
  --faint: #9c8e79;
  --line: rgba(244, 236, 222, 0.22);
  --line-strong: rgba(244, 236, 222, 0.38);
  --cinnabar: #eb947d;
  --cinnabar-soft: rgba(235, 148, 125, 0.16);
  --gold: #d5b37b;
}
html.senior-mode body { font-size: 17px; background-image: none; }
html.senior-mode :focus-visible { outline-width: 3px; outline-offset: 3px; }
html.senior-mode .site-header { gap: 14px; border-bottom-color: var(--line-strong); }
html.senior-mode .brand-name { font-size: 21px; }
html.senior-mode .brand-sub { font-size: 9.5px; }
html.senior-mode .site-nav a { padding: 10px 12px; font-size: 14.5px; }
html.senior-mode .crumb { font-size: 13.5px; }
html.senior-mode .header-read { height: 40px; padding: 0 14px; font-size: 14px; }
html.senior-mode .header-kbd { font-size: 12px; }
html.senior-mode .header-senior { height: 40px; padding: 0 13px; font-size: 13px; }
html.senior-mode .header-senior .senior-mark { font-size: 16px; }
html.senior-mode .icon-btn { width: 42px; height: 42px; }
html.senior-mode .icon-btn svg { width: 21px; height: 21px; }
html.senior-mode .toast { bottom: 100px; font-size: 14px; }

html.senior-mode .reader-main { padding-bottom: 150px; }
html.senior-mode .reader-inner { max-width: 42rem; }
html.senior-mode .chapter-kicker { font-size: 12px; }
html.senior-mode .chapter-title { font-size: clamp(38px, 4.4vw, 52px); }
html.senior-mode .chapter-desc { font-size: 15px; line-height: 1.9; }
html.senior-mode .toolbar { gap: 9px; margin-top: 24px; }
html.senior-mode .toolbar .divider { height: 28px; }
html.senior-mode .seg { padding: 3px; }
html.senior-mode .seg button { min-height: 40px; padding: 0 14px; font-size: 14px; }
html.senior-mode .action-btn {
  min-height: 40px;
  padding: 0 13px;
  font-size: 13px;
  gap: 8px;
}
html.senior-mode .action-btn svg { width: 16px; height: 16px; }
html.senior-mode .type-trigger .type-icon { font-size: 13px; }
html.senior-mode .text {
  margin-top: 34px;
  font-size: calc(clamp(20px, 1.62vw, 23px) * var(--reader-font-scale, 1) * 1.16);
  line-height: var(--reader-line-height, 2.18);
  line-height: max(var(--reader-line-height, 2.18), 2.05);
  letter-spacing: 0.028em;
}
html.senior-mode .para { margin-bottom: 1.55em; }
html.senior-mode .sent { scroll-margin-block: 140px; }
html.senior-mode .sent:hover { background: rgba(150, 115, 63, 0.12); }
html.senior-mode .sent.is-active {
  background: var(--cinnabar-soft);
  box-shadow: inset 0 -2px 0 var(--cinnabar);
}
html.senior-mode .sent .n { font-size: 0.56em; opacity: 0.9; }
html.senior-mode .sent .vmark { font-size: 0.4em; }
html.senior-mode .ch.has-note { border-bottom-width: 1.5px; }
html.senior-mode .chapter-end { font-size: 13px; }

html.senior-mode .outline-kicker { font-size: 11px; }
html.senior-mode .outline-title { font-size: 29px; }
html.senior-mode .outline-sub { font-size: 12.5px; }
html.senior-mode .progress-text { font-size: 12px; }
html.senior-mode .outline-item { grid-template-columns: 24px minmax(0, 1fr); padding: 10px 9px; font-size: 14.5px; }
html.senior-mode .outline-item .no { font-size: 11px; }
html.senior-mode .outline-foot { font-size: 11.5px; }
html.senior-mode .outline-foot .reset { font-size: 11.5px; }
html.senior-mode .outline-author { font-size: 11.5px; }
html.senior-mode .panel-author { font-size: 12px; }

html.senior-mode .panel-eyebrow { font-size: 12px; }
html.senior-mode .panel-sentence { font-size: 22px; line-height: 1.9; }
html.senior-mode .panel-close { width: 40px; height: 40px; }
html.senior-mode .panel-close svg { width: 19px; height: 19px; }
html.senior-mode .translation { padding: 16px 17px; }
html.senior-mode .translation .label,
html.senior-mode .panel-section-label { font-size: 11px; }
html.senior-mode .translation p { font-size: 16px; line-height: 1.95; }
html.senior-mode .panel-actions { gap: 10px; margin-top: 17px; }
html.senior-mode .panel-tabs { margin-top: 22px; }
html.senior-mode .panel-tab { padding: 14px 12px 12px; font-size: 14px; }
html.senior-mode .panel-tab .count { font-size: 11px; }
html.senior-mode .filter-row { gap: 7px; }
html.senior-mode .filter-chip {
  min-height: 36px;
  padding: 4px 11px;
  font-size: 13px;
  opacity: 0.82;
}
html.senior-mode .filter-chip[aria-pressed="true"] { opacity: 1; }
html.senior-mode .note-list { gap: 13px; }
html.senior-mode .note-card { padding: 16px 17px 16px 20px; }
html.senior-mode .note-meta { font-size: 11.5px; }
html.senior-mode .note-meta .kind { font-size: 10.5px; padding: 2px 6px; }
html.senior-mode .note-meta .range { font-size: 10.5px; }
html.senior-mode .note-lemma { font-size: 15px; }
html.senior-mode .note-text { font-size: 15.5px; line-height: 1.95; }
html.senior-mode .note-author { font-size: 11.5px; }
html.senior-mode .note-cite { font-size: 10.5px; }
html.senior-mode .note-empty { font-size: 14px; }
html.senior-mode .collation h4 { font-size: 15.5px; }
html.senior-mode .collation p { font-size: 14.5px; line-height: 1.9; }
html.senior-mode .collation cite { font-size: 10.5px; }
html.senior-mode .variant-item { font-size: 13px; }
html.senior-mode .variant-item b { font-size: 15px; }
html.senior-mode .edition-note { font-size: 12px; }
html.senior-mode .local-note-form textarea { min-height: 120px; font-size: 15px; }
html.senior-mode .local-note p { font-size: 15px; }
html.senior-mode .local-note .meta { font-size: 11px; }
html.senior-mode .local-note-form .save { min-height: 40px; font-size: 13px; }

html.senior-mode .dialog-kicker { font-size: 11px; }
html.senior-mode .dialog-title { font-size: 23px; }
html.senior-mode .dialog-sub { font-size: 13px; }
html.senior-mode .dialog-close { width: 44px; height: 44px; }
html.senior-mode .dialog-close svg { width: 20px; height: 20px; }
html.senior-mode .compare-note { font-size: 12.5px; line-height: 1.8; }
html.senior-mode .compare-col-head h3 { font-size: 15px; }
html.senior-mode .compare-col-head p { font-size: 11.5px; }
html.senior-mode .compare-note-card .lemma { font-size: 13px; }
html.senior-mode .compare-note-card .txt { font-size: 14.5px; line-height: 1.9; }
html.senior-mode .compare-note-card .cite { font-size: 10px; }
html.senior-mode .compare-empty { font-size: 12.5px; }
html.senior-mode .matrix-concept { min-height: 40px; padding: 8px 14px; font-size: 13px; }
html.senior-mode .matrix-intro h3 { font-size: 24px; }
html.senior-mode .matrix-intro > div > p { font-size: 14.5px; }
html.senior-mode .matrix-disclaimer { font-size: 11px; }
html.senior-mode .matrix-cell-head span { font-size: 13px; }
html.senior-mode .matrix-cell > p { font-size: 14.5px; line-height: 1.9; }
html.senior-mode .matrix-chain-card p { font-size: 14.5px; line-height: 1.9; }
html.senior-mode .matrix-chain-head b { font-size: 12.5px; }
html.senior-mode .matrix-chain-rel { font-size: 10px; }

html.senior-mode .search-input { font-size: 22px; }
html.senior-mode .search-input::placeholder { font-size: 17px; }
html.senior-mode .search-input-wrap { padding: 16px 22px; }
html.senior-mode .search-fields { gap: 7px; padding: 11px 18px; }
html.senior-mode .search-fields-label { font-size: 11px; }
html.senior-mode .search-fields button { min-height: 40px; padding: 0 13px; font-size: 14px; }
html.senior-mode .search-index-status { font-size: 12px; padding: 9px 22px; }
html.senior-mode .search-hint { font-size: 14px; }
html.senior-mode .result { padding: 14px 12px; }
html.senior-mode .result .r-text { font-size: 17px; }
html.senior-mode .result .r-sub,
html.senior-mode .result .r-translation { font-size: 14px; }
html.senior-mode .result .r-meta { font-size: 12px; }
html.senior-mode .result-group h4 { font-size: 12px; }
html.senior-mode .result-group h4 span { font-size: 11px; }

html.senior-mode .char-card { width: min(430px, calc(100vw - 20px)); padding: 22px 24px 20px; }
html.senior-mode .char-glyph { font-size: 52px; }
html.senior-mode .char-pinyin { font-size: 14px; }
html.senior-mode .char-close { width: 40px; height: 40px; }
html.senior-mode .char-close svg { width: 18px; height: 18px; }
html.senior-mode .char-label { font-size: 11px; }
html.senior-mode .char-section p { font-size: 15px; line-height: 1.9; }
html.senior-mode .char-gloss { font-size: 14px; line-height: 1.85; }
html.senior-mode .char-tag { font-size: 11px; padding: 3px 8px; }
html.senior-mode .char-none { font-size: 14px; }
html.senior-mode .type-control label { font-size: 14px; }
html.senior-mode .type-control output { font-size: 19px; }
html.senior-mode .type-scale-marks { font-size: 11px; }
html.senior-mode .type-foot { font-size: 12.5px; }
html.senior-mode .type-foot .reset { font-size: 12.5px; }

html.senior-mode .page-hero .lead { font-size: 17px; line-height: 1.95; }
html.senior-mode .page-hero .side-note { font-size: 14px; line-height: 1.9; }
html.senior-mode .page-hero .side-note strong { font-size: 13px; }
html.senior-mode .prose p { font-size: 17px; line-height: 2; margin-bottom: 17px; }
html.senior-mode .prose li { font-size: 16.5px; line-height: 1.95; }
html.senior-mode .prose h2 { font-size: 30px; }
html.senior-mode .prose h3 { font-size: 20px; margin-top: 30px; }
html.senior-mode .source-card p,
html.senior-mode .dataset-notes p,
html.senior-mode .catalog-callout { font-size: 14px; line-height: 1.9; }
html.senior-mode .chapter-summary { font-size: 14px; line-height: 1.85; }
html.senior-mode .chapter-metrics { font-size: 12px; }
html.senior-mode .site-footer { font-size: 14px; }
html.senior-mode .footer-links { gap: 20px; }

/* 长辈模式：书目与首页概览也保持可读字号 */
html.senior-mode .stat strong { font-size: 32px; }
html.senior-mode .stat span { font-size: 12px; }
html.senior-mode .feature-no { font-size: 12px; }
html.senior-mode .feature h3 { font-size: 24px; }
html.senior-mode .feature p { font-size: 16px; line-height: 1.95; }
html.senior-mode .feature .feature-more { font-size: 14px; }
html.senior-mode .how-step .no { font-size: 26px; }
html.senior-mode .how-step h3 { font-size: 20px; }
html.senior-mode .how-step p { font-size: 16px; line-height: 1.95; }
html.senior-mode .home-cta p { font-size: 16px; }
html.senior-mode .quote-band cite { font-size: 13px; }
html.senior-mode .quote-band .quote-gloss { font-size: 16px; }
html.senior-mode .quote-band .quote-gloss strong { font-size: 13px; }
html.senior-mode .work-status { font-size: 12px; padding: 4px 9px; }
html.senior-mode .work-era { font-size: 12px; }
html.senior-mode .work-card h3 { font-size: 34px; }
html.senior-mode .work-card h3 small { font-size: 16px; }
html.senior-mode .work-card p { font-size: 16px; line-height: 1.95; }
html.senior-mode .work-meta { font-size: 13px; }
html.senior-mode .work-cta { font-size: 15px; }
html.senior-mode .work-sub,
html.senior-mode .work-note { font-size: 12.5px; }
html.senior-mode .library-index { font-size: 14px; }
html.senior-mode .library-title { font-size: 28px; }
html.senior-mode .library-title small { font-size: 14px; }
html.senior-mode .library-scope { font-size: 14px; }
html.senior-mode .library-status { font-size: 12px; }
html.senior-mode .library-note { font-size: 13px; }

@media (max-width: 680px) {
  .header-senior { width: 33px; height: 33px; padding: 0; border-radius: 50%; }
  .header-senior .senior-word { display: none; }
  .header-senior .senior-mark { font-size: 15px; }
  html.senior-mode .site-header { gap: 6px; padding: 0 12px; }
  html.senior-mode .site-header.nav-open .site-nav a { font-size: 16px; }
  html.senior-mode .header-senior { width: 40px; height: 40px; }
  html.senior-mode .header-senior .senior-mark { font-size: 17px; }
  html.senior-mode .text { font-size: calc(21px * var(--reader-font-scale, 1) * 1.16); }
  html.senior-mode .reader-main { padding-bottom: 170px; }
  html.senior-mode .senior-bar { gap: 5px; padding: 7px; bottom: max(12px, env(safe-area-inset-bottom)); }
  html.senior-mode .senior-bar button { min-height: 46px; font-size: 14px; }
  html.senior-mode .senior-bar .senior-pos { flex-basis: 88px; font-size: 11.5px; }
  html.senior-mode .senior-bar .senior-speak { flex-basis: 55px; font-size: 10.5px; }
  html.senior-mode .senior-setting { align-items: flex-start; flex-direction: column; gap: 10px; }
  html.senior-mode .senior-switch { align-self: flex-end; }
  html.senior-mode .type-preview { font-size: calc(20px * var(--reader-font-scale, 1) * 1.16); }
}

@media (max-width: 600px) {
  .header-read { display: none; }
}

@media (max-width: 380px) {
  html.senior-mode .site-header { gap: 4px; padding: 0 10px; }
  html.senior-mode .brand { gap: 7px; }
  html.senior-mode .brand-name { font-size: 16px; }
  html.senior-mode .icon-btn,
  html.senior-mode .header-senior { width: 36px; height: 36px; }
  html.senior-mode .icon-btn svg { width: 18px; height: 18px; }
  html.senior-mode .header-senior .senior-mark { font-size: 15px; }
}

@media print {
  @page { margin: 18mm; }
  body.print-research { background: #fff !important; }
  body.print-research > *:not(#printRoot) { display: none !important; }
  body.print-research #printRoot { display: block !important; }
  #printRoot .print-sheet { max-width: none; padding: 0; background: #fff; color: #191712; }
  #printRoot .print-head h1 { font-size: 20pt; }
  #printRoot .print-original { font-size: 14pt; }
  #printRoot .print-note p { font-size: 10.5pt; }
  #printRoot .print-sentence { break-inside: auto; }
  #printRoot .print-note, #printRoot .print-head { break-inside: avoid; }
}