/* ════════════════════════════════════════
   CHINESE CULTURE WEBSITE — STYLE SHEET
   Traditional ink-and-parchment aesthetic
   ════════════════════════════════════════ */

/* ── FONTS ── */
@import url('https://fonts.googleapis.com/css2?family=Noto+Serif+SC:wght@300;400;600;700&family=Cormorant+Garamond:ital,wght@0,400;0,600;1,400&display=swap');

/* ── VARIABLES ── */
:root {
  --red:        #8B1A1A;
  --red-mid:    #B22222;
  --gold:       #C9A96E;
  --gold-dark:  #8B6914;
  --gold-bright:#D4AF37;
  --ink:        #1C1C1C;
  --ink-soft:   #3A3A3A;
  --parch:      #F5E6CC;
  --parch-lt:   #FFF9F0;
  --parch-dk:   #E8D5B5;
  --cream:      #FFFBF2;
}

/* ── RESET ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
a { text-decoration: none; }
ul { list-style: none; }
button { cursor: pointer; font-family: inherit; }

/* ── LANGUAGE SWITCH ──
   body.lang-zh hides .en elements
   body.lang-en hides .zh elements       */
body.lang-zh .en { display: none !important; }
body.lang-en .zh { display: none !important; }

/* ── BASE ── */
body {
  font-family: 'Noto Serif SC', 'Cormorant Garamond', Georgia, serif;
  background-color: var(--parch);
  color: var(--ink);
  min-height: 100vh;
  /* Subtle cross-hatch paper texture */
  background-image:
    url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='%23c9a96e' fill-opacity='0.07'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/svg%3E");
}

/* ════════════════════════════════════════
   DECORATIVE BORDER STRIPE
   ════════════════════════════════════════ */
.border-stripe {
  height: 10px;
  background: repeating-linear-gradient(
    90deg,
    var(--red)      0px,  var(--red)      18px,
    var(--gold)     18px, var(--gold)     22px,
    var(--red)      22px, var(--red)      26px,
    var(--gold-dark)26px, var(--gold-dark)30px
  );
}

/* ════════════════════════════════════════
   HEADER
   ════════════════════════════════════════ */
.site-header {
  background: linear-gradient(160deg, #130404 0%, var(--red) 55%, #4A0A0A 100%);
  padding: 1.8rem 2rem 1rem;
  border-bottom: 4px solid var(--gold);
  text-align: center;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 2rem;
  max-width: 1100px;
  margin: 0 auto;
}

/* Red seal badges */
.seal {
  flex-shrink: 0;
  width: 66px;
  height: 66px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.4rem;
  font-weight: 700;
  color: var(--gold-bright);
  border: 3px solid var(--gold);
  border-radius: 4px;
  background: rgba(0,0,0,0.35);
  text-shadow: 2px 2px 4px rgba(0,0,0,0.6);
  letter-spacing: 0;
}

.title-zh {
  font-size: 2rem;
  font-weight: 700;
  color: var(--gold-bright);
  letter-spacing: 0.3em;
  text-shadow: 2px 2px 6px rgba(0,0,0,0.55);
  line-height: 1.3;
}
.title-en {
  font-family: 'Cormorant Garamond', serif;
  font-size: 0.9rem;
  font-style: italic;
  color: var(--gold);
  letter-spacing: 0.12em;
  margin-top: 0.3rem;
  opacity: 0.85;
}

/* Language toggle */
.lang-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  margin-top: 1rem;
  padding-top: 0.7rem;
  border-top: 1px solid rgba(201,169,110,0.25);
}
.lang-btn {
  background: transparent;
  border: 1px solid var(--gold);
  color: var(--gold);
  padding: 0.2rem 0.85rem;
  font-size: 0.82rem;
  letter-spacing: 0.1em;
  transition: background 0.2s, color 0.2s;
}
.lang-btn:hover,
.lang-btn.active { background: var(--gold); color: var(--ink); }
.lang-sep { color: var(--gold); opacity: 0.45; }

/* ════════════════════════════════════════
   NAVIGATION
   ════════════════════════════════════════ */
.main-nav {
  background: linear-gradient(to bottom, #220909, #3A0D0D);
  border-bottom: 3px double var(--gold);
  position: sticky;
  top: 0;
  z-index: 200;
}
.main-nav ul {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  max-width: 1100px;
  margin: 0 auto;
}
.nav-link {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 0.65rem 1.8rem;
  color: var(--gold);
  border-right: 1px solid rgba(201,169,110,0.18);
  transition: background 0.2s, color 0.2s;
  position: relative;
}
.nav-link:hover,
.nav-link.active {
  background: rgba(201,169,110,0.13);
  color: var(--gold-bright);
}
.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 3px;
  background: var(--gold-bright);
}
.nav-chn {
  font-size: 1.05rem;
  font-weight: 600;
  letter-spacing: 0.2em;
}
.nav-rom {
  font-size: 0.6rem;
  letter-spacing: 0.07em;
  opacity: 0.65;
  font-family: 'Cormorant Garamond', serif;
  font-style: italic;
}

/* ════════════════════════════════════════
   MAIN CONTENT
   ════════════════════════════════════════ */
.main-content {
  max-width: 1100px;
  margin: 0 auto;
  padding: 2rem 1.5rem 3rem;
}
.page { display: none; }
.page.active {
  display: block;
  animation: fadeUp 0.35s ease;
}
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ════════════════════════════════════════
   SCROLL / PARCHMENT CONTAINER
   ════════════════════════════════════════ */
.scroll-wrap {
  background: var(--cream);
  border: 2px solid var(--gold-dark);
  border-radius: 3px;
  box-shadow: 0 6px 24px rgba(0,0,0,0.14), inset 0 0 80px rgba(255,249,240,0.4);
}
/* Hatched end-caps that mimic a scroll roller */
.scroll-wrap::before,
.scroll-wrap::after {
  content: '';
  display: block;
  height: 8px;
  background: repeating-linear-gradient(
    90deg,
    var(--gold-dark) 0, var(--gold-dark) 4px,
    var(--parch)     4px, var(--parch)     8px
  );
}
.scroll-top-bar {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.2rem;
  padding: 1.4rem 2rem;
  border-bottom: 1px solid var(--gold);
  background: linear-gradient(to right, transparent, rgba(201,169,110,0.08), transparent);
}
.scroll-top-bar h2 {
  font-size: 1.7rem;
  color: var(--red);
  letter-spacing: 0.3em;
  font-weight: 700;
}
.orn { color: var(--gold); font-size: 1.1rem; }
.scroll-body { padding: 2rem 2.5rem; }

/* ── Gold rule divider ── */
.gold-rule {
  text-align: center;
  color: var(--gold);
  font-size: 1rem;
  margin: 1.5rem 0;
  position: relative;
}
.gold-rule::before,
.gold-rule::after {
  content: '';
  position: absolute;
  top: 50%;
  width: 42%;
  height: 1px;
  background: linear-gradient(to var(--dir, right), var(--gold), transparent);
}
.gold-rule::before { left: 0; --dir: right; }
.gold-rule::after  { right: 0; --dir: left; }

/* ════════════════════════════════════════
   INTRO TEXT
   ════════════════════════════════════════ */
.intro-text {
  font-size: 1rem;
  line-height: 2;
  color: var(--ink-soft);
  text-indent: 2em;
}

/* ════════════════════════════════════════
   FEATURE GRID (Home)
   ════════════════════════════════════════ */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: 1.4rem;
  margin-top: 1.5rem;
}
.feature-card {
  background: linear-gradient(135deg, var(--parch-lt), var(--parch));
  border: 1px solid var(--gold-dark);
  border-radius: 3px;
  padding: 1.5rem;
  text-align: center;
  cursor: pointer;
  transition: border-color 0.2s, transform 0.2s, box-shadow 0.2s;
}
.feature-card:hover {
  border-color: var(--gold-bright);
  transform: translateY(-3px);
  box-shadow: 0 6px 18px rgba(139,26,26,0.12);
}
.char-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto 0.6rem;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  color: var(--red);
  font-weight: 700;
  line-height: 1;
  text-shadow: 1px 1px 3px rgba(0,0,0,0.1);
}
.feature-card h3 {
  color: var(--red);
  font-size: 0.95rem;
  letter-spacing: 0.15em;
  margin-bottom: 0.4rem;
}
.feature-card p {
  font-size: 0.82rem;
  color: var(--ink-soft);
  line-height: 1.6;
}

/* ════════════════════════════════════════
   QUOTE BLOCK
   ════════════════════════════════════════ */
.quote-block {
  background: linear-gradient(to right, rgba(139,26,26,0.04), rgba(139,26,26,0.09), rgba(139,26,26,0.04));
  border-left: 4px solid var(--red);
  padding: 1.4rem 2rem;
  margin-bottom: 2rem;
  border-radius: 0 3px 3px 0;
}
.quote-block p {
  font-size: 1.1rem;
  line-height: 2;
  color: var(--ink);
  font-style: italic;
}
.quote-block footer {
  font-size: 0.82rem;
  color: var(--gold-dark);
  margin-top: 0.6rem;
  letter-spacing: 0.1em;
}

/* ════════════════════════════════════════
   SECTION HEADING
   ════════════════════════════════════════ */
.section-heading {
  margin-bottom: 1rem;
}
.section-heading h3 {
  color: var(--red);
  font-size: 1rem;
  letter-spacing: 0.2em;
  padding-bottom: 0.45rem;
  border-bottom: 1px solid rgba(201,169,110,0.5);
}

/* ════════════════════════════════════════
   PRINCIPLE LIST
   ════════════════════════════════════════ */
.principle-list {
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
}
.principle-row {
  display: flex;
  gap: 1.4rem;
  align-items: flex-start;
  padding: 1rem 1.2rem;
  background: var(--parch-lt);
  border: 1px solid rgba(201,169,110,0.3);
  border-radius: 3px;
}
.p-char {
  font-size: 2.4rem;
  font-weight: 700;
  color: var(--red);
  line-height: 1;
  flex-shrink: 0;
  width: 55px;
  text-align: center;
  text-shadow: 1px 1px 3px rgba(0,0,0,0.08);
}
.principle-row strong {
  display: block;
  color: var(--red-mid);
  font-size: 0.92rem;
  letter-spacing: 0.1em;
  margin-bottom: 0.3rem;
}
.principle-row p {
  font-size: 0.87rem;
  line-height: 1.7;
  color: var(--ink-soft);
}

/* ════════════════════════════════════════
   PDF SHELF
   ════════════════════════════════════════ */
.pdf-shelf {
  margin-top: 2rem;
  padding-top: 1.4rem;
  border-top: 1px solid var(--gold);
}
.pdf-shelf h3 {
  color: var(--red);
  font-size: 0.95rem;
  letter-spacing: 0.2em;
  margin-bottom: 0.9rem;
}
.pdf-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
}
.pdf-btn {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.65rem 1.1rem;
  background: var(--parch);
  border: 1px solid var(--gold-dark);
  border-radius: 3px;
  cursor: pointer;
  transition: background 0.2s, border-color 0.2s, box-shadow 0.2s;
  font-size: 0.92rem;
  color: var(--ink);
  letter-spacing: 0.05em;
  min-width: 160px;
}
.pdf-btn:hover {
  background: var(--parch-dk);
  border-color: var(--gold-bright);
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}
.pdf-btn span:first-child { font-size: 1.3rem; }

/* ════════════════════════════════════════
   POEM GRID
   ════════════════════════════════════════ */
.poem-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.4rem;
  margin-bottom: 2rem;
}
.poem-card {
  background: var(--parch-lt);
  border: 1px solid var(--gold-dark);
  border-radius: 3px;
  padding: 1.5rem;
  position: relative;
}
/* Corner bracket decoration */
.poem-card::before {
  content: '';
  position: absolute;
  top: 0.5rem; right: 0.5rem;
  width: 20px; height: 20px;
  border-top: 2px solid var(--gold);
  border-right: 2px solid var(--gold);
}
.poem-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--red);
  letter-spacing: 0.15em;
  margin-bottom: 0.2rem;
}
.poem-author {
  font-size: 0.75rem;
  color: var(--gold-dark);
  letter-spacing: 0.08em;
  font-style: italic;
  margin-bottom: 1rem;
}
.poem-lines {
  font-size: 0.95rem;
  line-height: 2.1;
  color: var(--ink);
}

/* ════════════════════════════════════════
   DOCUMENT ARCHIVE
   ════════════════════════════════════════ */
.how-to-box {
  background: rgba(201,169,110,0.1);
  border: 1px solid var(--gold);
  border-radius: 3px;
  padding: 1.4rem 1.6rem;
  margin-bottom: 1.5rem;
}
.how-to-box h3 {
  color: var(--red);
  font-size: 0.95rem;
  letter-spacing: 0.15em;
  margin-bottom: 0.75rem;
}
.how-to-box ol {
  padding-left: 1.4rem;
  line-height: 2.1;
  font-size: 0.88rem;
  color: var(--ink-soft);
}
.how-to-box code {
  background: var(--parch-dk);
  padding: 0.1em 0.4em;
  border-radius: 2px;
  font-family: monospace;
  font-size: 0.85em;
  color: var(--red);
}
.doc-gallery {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 1.2rem;
}
.doc-card {
  background: var(--parch-lt);
  border: 1px solid var(--gold-dark);
  border-radius: 3px;
  padding: 1.4rem 1rem;
  text-align: center;
  cursor: pointer;
  transition: border-color 0.2s, transform 0.2s, box-shadow 0.2s;
}
.doc-card:hover {
  border-color: var(--gold-bright);
  transform: translateY(-2px);
  box-shadow: 0 4px 14px rgba(0,0,0,0.1);
}
.doc-card .doc-icon { font-size: 2.4rem; margin-bottom: 0.65rem; }
.doc-card .doc-title-zh {
  font-size: 1rem;
  font-weight: 600;
  color: var(--red);
  letter-spacing: 0.08em;
}
.doc-card .doc-title-en {
  font-size: 0.78rem;
  color: var(--red);
}
.doc-card .doc-cat {
  font-size: 0.7rem;
  color: var(--gold-dark);
  margin-top: 0.4rem;
}
.doc-ext-badge {
  display: inline-block;
  margin-left: 0.4em;
  font-size: 0.68rem;
  color: var(--gold);
  opacity: 0.85;
}
.doc-external:hover .doc-ext-badge { opacity: 1; }
.pdf-ext-icon {
  font-size: 0.7rem;
  color: var(--gold);
  margin-left: 0.2em;
  opacity: 0.8;
}
.doc-empty {
  text-align: center;
  padding: 2rem;
  color: var(--ink-soft);
  font-size: 0.9rem;
}

/* ════════════════════════════════════════
   PDF MODAL
   ════════════════════════════════════════ */
#pdf-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.62);
  z-index: 900;
}
#pdf-modal {
  display: none;
  position: fixed;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: min(92vw, 900px);
  max-height: 90vh;
  background: var(--cream);
  border: 2px solid var(--gold);
  border-radius: 3px;
  z-index: 1000;
  flex-direction: column;
  box-shadow: 0 20px 60px rgba(0,0,0,0.45);
  overflow: hidden;
}
#pdf-overlay.open { display: block; }
#pdf-modal.open {
  display: flex;
  animation: modalIn 0.22s ease;
}
@keyframes modalIn {
  from { transform: translate(-50%, -50%) scale(0.93); opacity: 0; }
  to   { transform: translate(-50%, -50%) scale(1);    opacity: 1; }
}
.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.9rem 1.4rem;
  background: linear-gradient(135deg, #130404, var(--red));
  border-bottom: 2px solid var(--gold);
  flex-shrink: 0;
}
.modal-header h3 {
  color: var(--gold);
  font-size: 0.95rem;
  letter-spacing: 0.08em;
}
.modal-close-btn {
  background: transparent;
  border: 1px solid var(--gold);
  color: var(--gold);
  width: 28px; height: 28px;
  display: flex; align-items: center; justify-content: center;
  font-size: 0.85rem;
  transition: background 0.2s, color 0.2s;
}
.modal-close-btn:hover { background: var(--gold); color: var(--ink); }
.modal-body {
  overflow-y: auto;
  padding: 1.2rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}
.pdf-nav {
  display: flex;
  align-items: center;
  gap: 1.1rem;
  font-size: 0.88rem;
  color: var(--ink-soft);
}
.pdf-nav-btn {
  background: var(--parch);
  border: 1px solid var(--gold-dark);
  padding: 0.3rem 0.85rem;
  color: var(--ink);
  font-size: 0.82rem;
  transition: background 0.2s;
}
.pdf-nav-btn:hover { background: var(--gold); }
#pdf-canvas {
  max-width: 100%;
  box-shadow: 0 2px 10px rgba(0,0,0,0.18);
}
.shelf-empty {
  font-size: 0.82rem;
  color: var(--ink-soft);
  font-style: italic;
  padding: 0.5rem 0;
}

.pdf-hint {
  font-size: 0.8rem;
  color: var(--ink-soft);
  background: rgba(201,169,110,0.1);
  border: 1px solid var(--gold);
  border-radius: 3px;
  padding: 0.6rem 0.9rem;
  width: 100%;
}
.pdf-hint code {
  font-family: monospace;
  background: var(--parch-dk);
  padding: 0.1em 0.35em;
  border-radius: 2px;
  color: var(--red);
}

/* ════════════════════════════════════════
   FOOTER
   ════════════════════════════════════════ */
.site-footer {
  background: linear-gradient(135deg, #130404, var(--red));
  margin-top: 2.5rem;
  text-align: center;
}
.site-footer p {
  padding: 1.2rem;
  color: var(--gold);
  font-size: 0.82rem;
  letter-spacing: 0.2em;
  opacity: 0.88;
}
.footer-institute {
  font-family: 'Cormorant Garamond', serif;
  font-style: italic;
  font-size: 1rem !important;
  color: var(--gold-bright) !important;
  letter-spacing: 0.3em !important;
  opacity: 1 !important;
  padding-top: 0 !important;
  padding-bottom: 1.4rem !important;
  border-top: 1px solid rgba(201,169,110,0.25);
  margin: 0 auto;
  width: fit-content;
}

/* ════════════════════════════════════════
   RESPONSIVE
   ════════════════════════════════════════ */

/* ── Tablet (≤ 768px) ── */
@media (max-width: 768px) {
  .header-inner          { gap: 1rem; }
  .seal                  { width: 50px; height: 50px; font-size: 1.8rem; }
  .title-zh              { font-size: 1.4rem; }
  .nav-link              { padding: 0.55rem 1rem; }
  .scroll-body           { padding: 1.4rem 1rem; }
  .feature-grid          { grid-template-columns: 1fr 1fr; }
  .poem-grid             { grid-template-columns: 1fr; }
  .scroll-top-bar h2     { font-size: 1.3rem; }
  .principle-row         { padding: 0.8rem 1rem; }
}

/* ── Mobile phone (≤ 480px) ── */
@media (max-width: 480px) {

  /* Header — compact single column */
  .site-header           { padding: 1rem 1rem 0.75rem; }
  .header-inner          { flex-direction: column; gap: 0.5rem; }
  .seal                  { width: 40px; height: 40px; font-size: 1.4rem; display: none; }
  .title-zh              { font-size: 1.25rem; letter-spacing: 0.2em; }
  .title-en              { font-size: 0.78rem; }
  .lang-toggle           { margin-top: 0.6rem; padding-top: 0.5rem; }
  .lang-btn              { padding: 0.3rem 1rem; font-size: 0.8rem; }

  /* Nav — horizontal scroll, compact */
  .main-nav ul           { justify-content: flex-start; overflow-x: auto;
                           flex-wrap: nowrap; -webkit-overflow-scrolling: touch; }
  .nav-link              { white-space: nowrap; padding: 0.6rem 0.9rem; }
  .nav-chn               { font-size: 0.9rem; }
  .nav-rom               { font-size: 0.55rem; }

  /* Main content padding */
  .main-content          { padding: 1rem 0.75rem 2rem; }
  .scroll-body           { padding: 1rem 0.9rem; }
  .scroll-top-bar        { padding: 1rem; gap: 0.7rem; }
  .scroll-top-bar h2     { font-size: 1.15rem; letter-spacing: 0.18em; }

  /* Intro text */
  .intro-text            { font-size: 0.92rem; line-height: 1.85; }

  /* Feature grid — single column */
  .feature-grid          { grid-template-columns: 1fr; gap: 0.9rem; }
  .feature-card          { padding: 1.1rem; }
  .char-icon             { font-size: 2.2rem; }

  /* Quote block */
  .quote-block           { padding: 1rem 1.1rem; }
  .quote-block p         { font-size: 0.95rem; }

  /* Principle rows */
  .principle-list        { gap: 0.7rem; }
  .principle-row         { padding: 0.75rem 0.85rem; gap: 1rem; }
  .p-char                { font-size: 1.9rem; width: 42px; }
  .principle-row strong  { font-size: 0.85rem; }
  .principle-row p       { font-size: 0.82rem; }

  /* PDF shelf */
  .pdf-shelf             { margin-top: 1.2rem; padding-top: 1rem; }
  .pdf-row               { gap: 0.6rem; }
  .pdf-btn               { min-width: 0; flex: 1 1 auto; padding: 0.6rem 0.8rem;
                           font-size: 0.85rem; min-height: 44px; }

  /* Poem cards */
  .poem-card             { padding: 1.1rem; }
  .poem-lines            { font-size: 0.9rem; line-height: 2; }

  /* Document archive */
  .how-to-box            { padding: 1rem; }
  .doc-gallery           { grid-template-columns: 1fr 1fr; gap: 0.8rem; }
  .doc-card              { padding: 1rem 0.75rem; }
  .doc-card .doc-icon    { font-size: 1.8rem; }

  /* PDF modal — full screen on mobile */
  #pdf-modal             { width: 100vw; max-width: 100vw;
                           height: 100vh; max-height: 100vh;
                           top: 0; left: 0;
                           transform: none;
                           border-radius: 0; border: none; }
  #pdf-modal.open        { animation: none; }
  .modal-header          { padding: 0.7rem 1rem; }
  .modal-body            { padding: 0.75rem 0.5rem; }
  .pdf-nav               { gap: 0.7rem; }
  .pdf-nav-btn           { padding: 0.4rem 0.8rem; min-height: 40px; }
  #pdf-canvas            { width: 100% !important; height: auto !important; }
}

/* ── Very small phones (≤ 360px) ── */
@media (max-width: 360px) {
  .title-zh              { font-size: 1.05rem; letter-spacing: 0.12em; }
  .doc-gallery           { grid-template-columns: 1fr; }
}

/* ════════════════════════════════════════
   FEATURE 1 — DARK MODE
   ════════════════════════════════════════ */
body.dark {
  --parch:      #1A1610;
  --parch-lt:   #221E17;
  --parch-dk:   #141007;
  --cream:      #1E1A13;
  --ink:        #E8DCC8;
  --ink-soft:   #B5A88E;
}
body.dark {
  background-color: var(--parch);
  background-image: none;
}
body.dark .scroll-wrap {
  box-shadow: 0 6px 24px rgba(0,0,0,0.5), inset 0 0 80px rgba(0,0,0,0.2);
}
body.dark .how-to-box { background: rgba(201,169,110,0.06); }
body.dark .principle-row,
body.dark .feature-card,
body.dark .poem-card,
body.dark .doc-card,
body.dark .pdf-btn    { background: var(--parch-lt); }
body.dark .era-card   { background: var(--parch-lt); border-color: var(--gold-dark); }

/* ════════════════════════════════════════
   HEADER CONTROLS — search bar row
   ════════════════════════════════════════ */
.header-controls {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.7rem;
  margin-top: 1rem;
  padding-top: 0.7rem;
  border-top: 1px solid rgba(201,169,110,0.25);
}

/* Prominent header search bar */
.header-search-bar {
  -webkit-appearance: none;
  appearance: none;
  display: flex;
  align-items: center;
  gap: 0.7rem;
  width: min(540px, 90vw);
  padding: 0.55rem 1rem;
  background: rgba(0,0,0,0.28);
  border: 1px solid rgba(201,169,110,0.45);
  border-radius: 3px;
  cursor: pointer;
  color: rgba(201,169,110,0.6);
  font-family: inherit;
  font-size: 0.9rem;
  letter-spacing: 0.06em;
  text-align: left;
  transition: border-color 0.2s, background 0.2s, color 0.2s;
}
.header-search-bar:hover {
  border-color: var(--gold);
  background: rgba(0,0,0,0.4);
  color: var(--gold);
}
.header-search-icon {
  font-size: 1.05rem;
  flex-shrink: 0;
  opacity: 0.85;
}
.header-search-placeholder {
  flex: 1;
}
.header-search-kbd {
  flex-shrink: 0;
  font-size: 0.72rem;
  font-family: monospace;
  border: 1px solid rgba(201,169,110,0.35);
  border-radius: 2px;
  padding: 0.1rem 0.45rem;
  opacity: 0.6;
  background: transparent;
}

/* ════════════════════════════════════════
   FEATURE 2 — FONT SIZE CLASSES
   ════════════════════════════════════════ */
body.font-small  { font-size: 14px; }
body.font-medium { font-size: 16px; }
body.font-large  { font-size: 19px; }

/* ════════════════════════════════════════
   FEATURE 3 — BACK TO TOP
   ════════════════════════════════════════ */
#back-to-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 44px;
  height: 44px;
  background: var(--gold);
  color: var(--ink);
  border: 2px solid var(--gold-dark);
  border-radius: 3px;
  font-size: 1.1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 14px rgba(0,0,0,0.25);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s, transform 0.3s;
  z-index: 500;
  transform: translateY(8px);
}
#back-to-top.visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}
#back-to-top:hover {
  background: var(--gold-bright);
}

/* ════════════════════════════════════════
   FEATURE 4 — QUOTE OF THE DAY
   ════════════════════════════════════════ */
.qod-block {
  background: linear-gradient(135deg, rgba(139,26,26,0.06), rgba(201,169,110,0.1));
  border: 1px solid var(--gold-dark);
  border-left: 4px solid var(--gold-bright);
  border-radius: 0 3px 3px 0;
  padding: 1.2rem 1.6rem;
  margin: 1.4rem 0;
}
.qod-label {
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  color: var(--gold-dark);
  text-transform: uppercase;
  margin-bottom: 0.6rem;
}
.qod-text {
  font-size: 1.05rem;
  line-height: 1.9;
  color: var(--ink);
  font-style: italic;
  margin-bottom: 0.5rem;
}
.qod-source {
  font-size: 0.8rem;
  color: var(--gold-dark);
  letter-spacing: 0.1em;
}

/* ════════════════════════════════════════
   FEATURE 5 — POEM SHARE/PRINT BUTTONS
   ════════════════════════════════════════ */
.poem-actions {
  display: flex;
  gap: 0.5rem;
  margin-top: 1rem;
  padding-top: 0.75rem;
  border-top: 1px solid rgba(201,169,110,0.3);
}
.poem-action-btn {
  display: flex;
  align-items: center;
  gap: 0.3rem;
  background: transparent;
  border: 1px solid var(--gold-dark);
  color: var(--gold-dark);
  padding: 0.3rem 0.75rem;
  font-size: 0.78rem;
  border-radius: 2px;
  letter-spacing: 0.05em;
  transition: background 0.2s, color 0.2s, border-color 0.2s;
}
.poem-action-btn:hover {
  background: var(--gold);
  color: var(--ink);
  border-color: var(--gold);
}
.poem-action-btn .ti { font-size: 0.9rem; }

/* ════════════════════════════════════════
   FEATURE 8 — AZURE MAPS
   ════════════════════════════════════════ */
.map-section {
  margin-top: 2.5rem;
  border-top: 1px solid rgba(201,169,110,0.4);
  padding-top: 1.5rem;
}
.map-label {
  text-align: center;
  font-size: 0.85rem;
  color: var(--gold);
  letter-spacing: 0.08em;
  margin-bottom: 0.75rem;
}
#figure-map {
  width: 100%;
  height: 480px;
  border-radius: 4px;
  border: 1px solid rgba(201,169,110,0.35);
  overflow: hidden;
}
.map-popup {
  padding: 0.5rem 0.75rem;
  min-width: 140px;
  font-family: 'Noto Serif SC', serif;
}
.map-popup-name { font-size: 1rem; font-weight: 600; color: #8B1A1A; }
.map-popup-dynasty { font-size: 0.75rem; color: #666; margin-top: 0.2rem; }
.map-popup-loc { font-size: 0.7rem; color: #888; margin-top: 0.15rem; }

.zhanghuang-intro { text-align: center; margin-bottom: 1.5rem; color: var(--gold); letter-spacing: 0.1em; font-size: 0.95rem; }
.poem-note { font-size: 0.78rem; color: #888; margin-top: 0.6rem; line-height: 1.6; font-style: italic; }

/* ════════════════════════════════════════
   FEATURE 7 — POEM TTS LISTEN BUTTON
   ════════════════════════════════════════ */
.poem-listen-btn.tts-loading .ti {
  display: inline-block;
  animation: tts-spin 0.9s linear infinite;
}
.poem-listen-btn.tts-playing {
  background: var(--red);
  color: #fff;
  border-color: var(--red);
}
.poem-listen-btn.tts-playing:hover {
  background: #6b1212;
  border-color: #6b1212;
  color: #fff;
}
@keyframes tts-spin {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}

/* ════════════════════════════════════════
   FEATURE 5 — SHARE TOAST
   ════════════════════════════════════════ */
.share-toast {
  position: fixed;
  bottom: 5rem;
  right: 2rem;
  background: var(--ink);
  color: var(--parch-lt);
  padding: 0.6rem 1.2rem;
  border-radius: 3px;
  font-size: 0.85rem;
  letter-spacing: 0.05em;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s;
  z-index: 600;
  box-shadow: 0 4px 14px rgba(0,0,0,0.3);
}
.share-toast.show { opacity: 1; }

/* ════════════════════════════════════════
   FEATURE 6 — PRINT STYLES
   ════════════════════════════════════════ */
@media print {
  /* Hide everything */
  body > *                   { display: none !important; }
  /* Show only the marked poem card */
  .site-header,
  .main-nav,
  .site-footer,
  #back-to-top,
  .share-toast               { display: none !important; }
  .main-content              { display: block !important; max-width: 100%; padding: 0; margin: 0; }
  .page                      { display: none !important; }
  #poetry.page               { display: block !important; }
  .poem-grid                 { display: block !important; }
  .poem-card                 { display: none !important; }
  .poem-card.print-target    { display: block !important; border: none; padding: 2rem; box-shadow: none; }
  .poem-card.print-target .poem-actions { display: none !important; }
  .scroll-wrap               { border: none; box-shadow: none; }
  .scroll-wrap::before,
  .scroll-wrap::after        { display: none; }
  .scroll-top-bar            { display: none; }
  .pdf-shelf                 { display: none !important; }
  .border-stripe             { display: none !important; }
}

/* ════════════════════════════════════════
   FEATURE 7 — DYNASTY TIMELINE
   ════════════════════════════════════════ */
.timeline-scroll {
  display: flex;
  gap: 1.2rem;
  overflow-x: auto;
  padding: 1rem 0.25rem 1.2rem;
  -webkit-overflow-scrolling: touch;
  scroll-snap-type: x mandatory;
}
.timeline-scroll::-webkit-scrollbar { height: 6px; }
.timeline-scroll::-webkit-scrollbar-track { background: var(--parch-dk); border-radius: 3px; }
.timeline-scroll::-webkit-scrollbar-thumb { background: var(--gold-dark); border-radius: 3px; }

.era-card {
  flex: 0 0 220px;
  background: linear-gradient(160deg, var(--parch-lt), var(--parch));
  border: 1px solid var(--gold-dark);
  border-top: 4px solid var(--red);
  border-radius: 3px;
  padding: 1.2rem 1rem;
  scroll-snap-align: start;
  transition: border-top-color 0.2s, box-shadow 0.2s;
}
.era-card:hover {
  border-top-color: var(--gold-bright);
  box-shadow: 0 4px 16px rgba(0,0,0,0.12);
}
.era-period {
  font-size: 0.7rem;
  color: var(--gold-dark);
  letter-spacing: 0.08em;
  margin-bottom: 0.4rem;
  font-family: 'Cormorant Garamond', serif;
  font-style: italic;
}
.era-name-zh {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--red);
  letter-spacing: 0.18em;
  line-height: 1.2;
}
.era-name-en {
  font-size: 0.72rem;
  color: var(--ink-soft);
  letter-spacing: 0.08em;
  margin-bottom: 0.85rem;
  font-family: 'Cormorant Garamond', serif;
  font-style: italic;
}
.era-figures {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}
.era-fig-btn {
  background: transparent;
  border: 1px solid rgba(201,169,110,0.35);
  color: var(--ink-soft);
  padding: 0.28rem 0.6rem;
  font-size: 0.8rem;
  border-radius: 2px;
  width: 100%;
  text-align: left;
  letter-spacing: 0.04em;
  transition: background 0.2s, color 0.2s, border-color 0.2s;
}
.era-fig-btn:hover {
  background: var(--gold);
  color: var(--ink);
  border-color: var(--gold);
}

/* ════════════════════════════════════════
   FIGURE MODAL
   ════════════════════════════════════════ */
#fig-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.62);
  z-index: 900;
}
#fig-modal {
  display: none;
  position: fixed;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: min(92vw, 680px);
  max-height: 88vh;
  background: var(--cream);
  border: 2px solid var(--gold);
  border-radius: 3px;
  z-index: 1000;
  flex-direction: column;
  box-shadow: 0 20px 60px rgba(0,0,0,0.45);
  overflow: hidden;
}
#fig-overlay.open { display: block; }
#fig-modal.open {
  display: flex;
  animation: modalIn 0.22s ease;
}
.fig-hd-zh {
  display: block;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--gold-bright);
  letter-spacing: 0.25em;
}
.fig-hd-en {
  display: block;
  font-family: 'Cormorant Garamond', serif;
  font-style: italic;
  font-size: 0.85rem;
  color: var(--gold);
  opacity: 0.85;
  letter-spacing: 0.08em;
}
.fig-modal-body {
  padding: 1.6rem 2rem;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
}
.fig-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}
.fig-badge {
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  padding: 0.22rem 0.75rem;
  border-radius: 2px;
  background: rgba(201,169,110,0.12);
  border: 1px solid var(--gold-dark);
  color: var(--gold-dark);
}
.fig-badge-era {
  font-family: 'Cormorant Garamond', serif;
  font-style: italic;
}
.fig-badge-cat {
  background: rgba(139,26,26,0.08);
  border-color: var(--red);
  color: var(--red);
}
.fig-quote-block {
  background: linear-gradient(to right, rgba(139,26,26,0.04), rgba(139,26,26,0.09), rgba(139,26,26,0.04));
  border-left: 4px solid var(--red);
  padding: 1.4rem 1.6rem;
  border-radius: 0 3px 3px 0;
}
.fig-quote-zh {
  font-size: 1.08rem;
  line-height: 2.1;
  color: var(--ink);
  letter-spacing: 0.06em;
  margin-bottom: 1rem;
}
.fig-quote-en {
  font-family: 'Cormorant Garamond', serif;
  font-style: italic;
  font-size: 0.95rem;
  line-height: 1.85;
  color: var(--ink-soft);
  margin-bottom: 0.8rem;
}
.fig-source {
  font-size: 0.78rem;
  color: var(--gold-dark);
  letter-spacing: 0.08em;
}
.fig-src-sep { opacity: 0.5; }
.fig-explore-btn {
  align-self: flex-start;
  background: var(--red);
  color: var(--gold-bright);
  border: 1px solid var(--gold);
  padding: 0.55rem 1.5rem;
  font-size: 0.88rem;
  letter-spacing: 0.12em;
  border-radius: 2px;
  transition: background 0.2s, color 0.2s;
  font-family: inherit;
}
.fig-explore-btn:hover {
  background: var(--gold);
  color: var(--ink);
}

/* Mobile figure modal */
@media (max-width: 480px) {
  #fig-modal {
    width: 100vw; max-width: 100vw;
    height: 100vh; max-height: 100vh;
    top: 0; left: 0;
    transform: none;
    border-radius: 0; border: none;
  }
  #fig-modal.open { animation: none; }
  .fig-modal-body { padding: 1.2rem 1rem; }
  .fig-quote-zh   { font-size: 1rem; }
}

/* Dark mode figure modal */
body.dark #fig-modal { background: var(--cream); }
body.dark .fig-quote-block { background: linear-gradient(to right, rgba(139,26,26,0.08), rgba(139,26,26,0.15), rgba(139,26,26,0.08)); }

/* ════════════════════════════════════════
   SEARCH MODAL
   ════════════════════════════════════════ */
#search-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.68);
  z-index: 1100;
}
#search-overlay.open { display: block; }

#search-modal {
  display: none;
  position: fixed;
  top: 10vh;
  left: 50%;
  transform: translateX(-50%);
  width: min(92vw, 720px);
  max-height: 76vh;
  background: var(--cream);
  border: 2px solid var(--gold);
  border-radius: 4px;
  z-index: 1200;
  flex-direction: column;
  box-shadow: 0 24px 64px rgba(0,0,0,0.5);
  overflow: hidden;
}
#search-modal.open {
  display: flex;
  animation: searchIn 0.18s ease;
}
@keyframes searchIn {
  from { opacity: 0; transform: translateX(-50%) translateY(-14px); }
  to   { opacity: 1; transform: translateX(-50%) translateY(0); }
}

.search-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.9rem 1.1rem;
  border-bottom: 2px solid var(--gold-dark);
  background: linear-gradient(135deg, #130404, var(--red));
  flex-shrink: 0;
}
.search-icon {
  color: var(--gold);
  font-size: 1.15rem;
  flex-shrink: 0;
}
#search-input {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  color: var(--gold-bright);
  font-family: inherit;
  font-size: 1rem;
  letter-spacing: 0.04em;
}
#search-input::placeholder {
  color: rgba(201,169,110,0.45);
  font-size: 0.85rem;
}
.search-close {
  background: transparent;
  border: 1px solid var(--gold);
  color: var(--gold);
  width: 26px; height: 26px;
  display: flex; align-items: center; justify-content: center;
  font-size: 0.8rem;
  cursor: pointer;
  flex-shrink: 0;
  transition: background 0.2s, color 0.2s;
  border-radius: 2px;
}
.search-close:hover { background: var(--gold); color: var(--ink); }
.voice-search-btn {
  background: transparent;
  border: 1px solid var(--gold-dark);
  color: var(--gold);
  width: 26px; height: 26px;
  display: flex; align-items: center; justify-content: center;
  font-size: 0.95rem;
  cursor: pointer;
  flex-shrink: 0;
  border-radius: 2px;
  transition: background 0.2s, color 0.2s, border-color 0.2s;
}
.voice-search-btn:hover { background: var(--gold); color: var(--ink); border-color: var(--gold); }
.voice-search-btn.listening {
  color: #ff6b6b;
  border-color: #ff6b6b;
  animation: mic-pulse 1s ease-in-out infinite;
}
@keyframes mic-pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%       { opacity: 0.65; transform: scale(1.18); }
}

#search-results {
  overflow-y: auto;
  flex: 1;
  padding: 0.4rem 0;
}
.search-hint,
.search-no-results {
  padding: 1.4rem 1.6rem;
  font-size: 0.88rem;
  color: var(--ink-soft);
  font-style: italic;
  line-height: 1.7;
}

.search-result-item {
  display: flex;
  align-items: flex-start;
  gap: 0.85rem;
  padding: 0.85rem 1.2rem;
  cursor: pointer;
  border-bottom: 1px solid rgba(201,169,110,0.15);
  transition: background 0.15s;
}
.search-result-item:hover,
.search-result-item:focus {
  background: rgba(201,169,110,0.1);
  outline: none;
}
.sr-badge {
  flex-shrink: 0;
  font-size: 0.64rem;
  letter-spacing: 0.08em;
  padding: 0.2rem 0.55rem;
  background: rgba(139,26,26,0.07);
  border: 1px solid rgba(139,26,26,0.22);
  color: var(--red);
  border-radius: 2px;
  margin-top: 0.18rem;
  white-space: nowrap;
}
.sr-main { flex: 1; min-width: 0; }
.sr-title {
  font-size: 0.98rem;
  font-weight: 600;
  color: var(--ink);
  letter-spacing: 0.04em;
  margin-bottom: 0.18rem;
}
.sr-zh { margin-right: 0.5rem; }
.sr-en {
  font-family: 'Cormorant Garamond', serif;
  font-style: italic;
  font-size: 0.88rem;
  color: var(--ink-soft);
}
.sr-meta {
  font-size: 0.72rem;
  color: var(--gold-dark);
  letter-spacing: 0.06em;
  margin-bottom: 0.28rem;
}
.sr-excerpt {
  font-size: 0.8rem;
  color: var(--ink-soft);
  line-height: 1.55;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.sr-arrow {
  flex-shrink: 0;
  color: var(--gold);
  font-size: 1rem;
  align-self: center;
  opacity: 0.7;
}
.search-result-item:hover .sr-arrow,
.search-result-item:focus .sr-arrow { opacity: 1; }

/* Highlighted match */
mark.sh {
  background: rgba(212,175,55,0.28);
  color: var(--red);
  border-radius: 1px;
  font-style: normal;
}

/* Pulse animation when navigating to a result */
@keyframes searchPulse {
  0%   { box-shadow: 0 0 0 0   rgba(212,175,55,0.8); }
  50%  { box-shadow: 0 0 0 8px rgba(212,175,55,0.25); }
  100% { box-shadow: 0 0 0 4px rgba(212,175,55,0); }
}
.search-highlight {
  animation: searchPulse 2.2s ease-out;
  border-color: var(--gold-bright) !important;
}

/* Mobile: full-width search bar */
@media (max-width: 480px) {
  .header-search-bar { width: 100%; font-size: 0.82rem; padding: 0.5rem 0.8rem; }
  .header-search-kbd { display: none; }
}

/* Mobile search — full screen */
@media (max-width: 480px) {
  #search-modal {
    top: 0; left: 0;
    transform: none;
    width: 100vw; max-height: 100vh;
    border-radius: 0; border: none;
  }
  #search-modal.open { animation: none; }
  .search-result-item { padding: 0.75rem 0.9rem; gap: 0.6rem; }
  .sr-badge { font-size: 0.6rem; padding: 0.15rem 0.45rem; }
}

/* Dark mode search */
body.dark #search-modal { background: var(--cream); }
body.dark .search-result-item:hover,
body.dark .search-result-item:focus { background: rgba(201,169,110,0.07); }

/* ════════════════════════════════════════
   DONATION SECTION
   ════════════════════════════════════════ */
.donation-section {
  text-align: center;
  padding: 1.2rem 1rem 0.8rem;
}

.donation-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--red);
  color: var(--parch-lt);
  border: none;
  border-radius: 4px;
  padding: 0.55rem 1.4rem;
  font-size: 0.92rem;
  font-family: 'Noto Serif SC', serif;
  letter-spacing: 0.08em;
  text-decoration: none;
  cursor: pointer;
  transition: background 0.2s, transform 0.15s;
  box-shadow: 0 2px 8px rgba(139,26,26,0.3);
}

.donation-btn:hover {
  background: var(--red-mid);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(139,26,26,0.35);
}

.donation-btn i { font-size: 1.1rem; }

.donation-desc {
  font-size: 0.82rem;
  color: var(--ink-soft);
  letter-spacing: 0.04em;
  margin: 0.5rem auto 0.1rem;
  line-height: 1.65;
}

/* Scrolling donor marquee */
.donor-marquee {
  overflow: hidden;
  background: rgba(139,26,26,0.04);
  border-top: 1px solid rgba(201,169,110,0.5);
  border-bottom: 1px solid rgba(201,169,110,0.5);
  padding: 0.5rem 0;
  margin-top: 0.9rem;
}

.donor-marquee-track {
  display: inline-flex;
  white-space: nowrap;
  animation: donor-scroll 40s linear infinite;
}

.donor-marquee:hover .donor-marquee-track {
  animation-play-state: paused;
}

.donor-text {
  font-size: 0.82rem;
  color: var(--red);
  letter-spacing: 0.04em;
  line-height: 2;
  padding-right: 0;
}

@keyframes donor-scroll {
  0%   { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* ════════════════════════════════════════
   学以致用 BANNER (home page)
   ════════════════════════════════════════ */
.zhiyong-banner {
  text-align: center;
  padding: 1.8rem 1rem 0.5rem;
}

.zhiyong-char {
  font-size: 2rem;
  font-weight: 700;
  color: var(--red);
  letter-spacing: 0.35em;
  margin-bottom: 0.5rem;
}

.zhiyong-sub {
  font-size: 0.88rem;
  color: var(--ink-soft);
  letter-spacing: 0.04em;
  line-height: 1.7;
  max-width: 520px;
  margin: 0 auto 0.25rem;
}

/* ════════════════════════════════════════
   DOCUMENTS + POETRY SUBSECTION HEADERS
   ════════════════════════════════════════ */
.docs-subsection-head {
  margin: 0.25rem 0 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--gold);
}

.docs-subsection-head h3 {
  margin: 0;
  font-size: 1rem;
  font-weight: 600;
  color: var(--red);
  letter-spacing: 0.08em;
}

/* ════════════════════════════════════════
   ZHANG-HUANG SUBCATEGORY TABS
   ════════════════════════════════════════ */
.zh-subcats {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 1.4rem;
  padding-bottom: 0.9rem;
  border-bottom: 1px solid rgba(201,169,110,0.4);
}

.zh-subcat-btn {
  background: transparent;
  border: 1px solid rgba(139,26,26,0.25);
  color: var(--ink-soft);
  padding: 0.3rem 0.75rem;
  font-size: 0.82rem;
  border-radius: 3px;
  cursor: pointer;
  font-family: 'Noto Serif SC', serif;
  letter-spacing: 0.04em;
  transition: background 0.18s, color 0.18s, border-color 0.18s;
}

.zh-subcat-btn .zh,
.zh-subcat-btn .en { display: inline; }

.zh-subcat-btn:hover {
  background: rgba(139,26,26,0.06);
  border-color: var(--red);
  color: var(--red);
}

.zh-subcat-btn.active {
  background: var(--red);
  border-color: var(--red);
  color: var(--parch-lt);
}

/* ════════════════════════════════════════
   DOCUMENTS SUB-TABS (經 史 子 集 章黃學庫)
   ════════════════════════════════════════ */
.docs-subtabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 1.4rem;
  padding-bottom: 0.9rem;
  border-bottom: 1px solid rgba(201,169,110,0.4);
}

.docs-subtab-btn {
  background: transparent;
  border: 1px solid rgba(139,26,26,0.25);
  color: var(--ink-soft);
  padding: 0.3rem 0.9rem;
  font-size: 0.85rem;
  border-radius: 3px;
  cursor: pointer;
  font-family: 'Noto Serif SC', serif;
  letter-spacing: 0.05em;
  transition: background 0.18s, color 0.18s, border-color 0.18s;
}

.docs-subtab-btn .zh,
.docs-subtab-btn .en { display: inline; }

.docs-subtab-btn:hover {
  background: rgba(139,26,26,0.06);
  border-color: var(--red);
  color: var(--red);
}

.docs-subtab-btn.active {
  background: var(--red);
  border-color: var(--red);
  color: var(--parch-lt);
}

.docs-placeholder {
  text-align: center;
  padding: 2.5rem 1rem;
  border: 1px dashed rgba(201,169,110,0.5);
  border-radius: 4px;
  color: var(--ink-soft);
  font-size: 0.88rem;
  font-style: italic;
  letter-spacing: 0.05em;
  line-height: 1.8;
  background: rgba(201,169,110,0.03);
  margin: 0.5rem 0 1.5rem;
}

/* ════════════════════════════════════════
   ZHANG-HUANG SUB-SUB SECTIONS
   (音韻格律學, 說文學, 形構學, etc.)
   ════════════════════════════════════════ */
.zh-subsub-section {
  margin: 1.5rem 0;
  padding: 1rem 1.5rem;
  border-left: 3px solid var(--gold);
  background: rgba(201,169,110,0.04);
  border-radius: 0 4px 4px 0;
}

.zh-subsub-head {
  font-size: 1rem;
  font-weight: 600;
  color: var(--red);
  margin-bottom: 0.8rem;
  letter-spacing: 0.06em;
}

.zh-subsub-item {
  margin-left: 0.5rem;
}

.zh-subsub-label {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--ink-soft);
  margin-bottom: 0.4rem;
  letter-spacing: 0.04em;
}

/* ════════════════════════════════════════
   乐读会 SECTION
   ════════════════════════════════════════ */
.leduhui-intro {
  margin: 1rem 0 1.5rem;
}

.leduhui-intro p {
  font-size: 0.92rem;
  line-height: 1.85;
  color: var(--ink-soft);
  margin-bottom: 0.5rem;
}

.leduhui-placeholder {
  text-align: center;
  padding: 2rem 1rem;
  border: 1px dashed var(--gold);
  border-radius: 6px;
  color: #aaa;
  font-size: 0.88rem;
  letter-spacing: 0.06em;
  line-height: 1.8;
  background: rgba(201,169,110,0.04);
}

/* ════════════════════════════════════════
   ZHANG-HUANG CHART CARD
   ════════════════════════════════════════ */
.zh-chart-card {
  background: var(--parch-lt);
  border: 1px solid var(--gold);
  border-radius: 6px;
  padding: 1.5rem;
  margin-bottom: 2.5rem;
  font-family: 'Noto Serif SC', serif;
}

.zh-chart-head {
  text-align: center;
  margin-bottom: 1.5rem;
  padding-bottom: 1rem;
  border-bottom: 2px solid var(--gold);
}

.zh-chart-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--red);
  letter-spacing: 0.1em;
  display: block;
}

.zh-chart-attr {
  font-size: 0.82rem;
  color: var(--gold-dark);
  letter-spacing: 0.12em;
  display: block;
  margin-top: 0.3rem;
}

.zh-chart-section {
  margin-bottom: 1.4rem;
}

.zh-chart-section-label {
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--red);
  letter-spacing: 0.1em;
  padding: 0.2rem 0.7rem;
  border-left: 3px solid var(--gold);
  background: rgba(201,169,110,0.1);
  margin-bottom: 0.8rem;
}

.zh-chart-block { padding-left: 0.75rem; }

.zh-chart-row {
  display: flex;
  gap: 0.75rem;
  margin-bottom: 0.7rem;
  align-items: flex-start;
}

.zh-chart-row-head {
  min-width: 4.5rem;
  font-size: 0.84rem;
  font-weight: 700;
  color: var(--ink);
  background: rgba(139,26,26,0.07);
  border: 1px solid rgba(139,26,26,0.18);
  border-radius: 3px;
  padding: 0.25rem 0.4rem;
  text-align: center;
  white-space: nowrap;
  line-height: 1.4;
}

.zh-chart-row-body { flex: 1; }

.zh-chart-line {
  font-size: 0.86rem;
  color: var(--ink-soft);
  line-height: 1.75;
  margin-bottom: 0.1rem;
}

.zh-chart-key {
  display: inline-block;
  font-size: 0.76rem;
  color: var(--red);
  background: rgba(139,26,26,0.06);
  border: 1px solid rgba(139,26,26,0.22);
  padding: 0.05rem 0.38rem;
  border-radius: 3px;
  margin-right: 0.35rem;
  white-space: nowrap;
}

.zh-chart-note {
  font-size: 0.77rem;
  color: #888;
  line-height: 1.65;
  margin-top: 0.3rem;
  padding-left: 0.5rem;
  border-left: 2px solid var(--gold);
  font-style: italic;
}

.zh-chart-path {
  font-size: 0.8rem;
  color: var(--gold-dark);
  letter-spacing: 0.04em;
  margin: 0.3rem 0 0.5rem;
}

.zh-chart-symbols { margin-top: 0.5rem; }

.zh-chart-sym-row {
  background: rgba(201,169,110,0.07);
  border: 1px solid rgba(201,169,110,0.3);
  border-radius: 4px;
  padding: 0.5rem 0.65rem;
  margin-bottom: 0.45rem;
}

.zh-chart-sym-top {
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-bottom: 0.2rem;
}

.zh-chart-sym-tag {
  display: inline-block;
  font-size: 0.76rem;
  font-weight: 700;
  color: var(--parch-lt);
  background: var(--red);
  padding: 0.1rem 0.45rem;
  border-radius: 3px;
  white-space: nowrap;
}

.zh-chart-sym-top > span:last-child {
  font-size: 0.84rem;
  color: var(--ink-soft);
  letter-spacing: 0.02em;
}

/* Social forms table */
.zh-chart-social-wrap { overflow-x: auto; }

.zh-chart-social {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.84rem;
}

.zh-chart-social th,
.zh-chart-social td {
  border: 1px solid var(--gold);
  padding: 0.38rem 0.6rem;
  text-align: center;
  vertical-align: middle;
  color: var(--ink-soft);
  line-height: 1.5;
}

.zh-chart-social th {
  background: rgba(139,26,26,0.07);
  color: var(--red);
  font-weight: 700;
  letter-spacing: 0.06em;
}

.zh-chart-state       { font-weight: 600; color: var(--red); }
.zh-chart-state-loss  { color: #888; font-weight: 600; }
.zh-chart-state-peak  { font-weight: 700; color: var(--gold-dark); }

.zh-chart-ref {
  font-size: 0.76rem;
  color: #999;
  text-align: right;
  margin-top: 0.75rem;
  font-style: italic;
}

@media (max-width: 600px) {
  .zh-chart-card { padding: 1rem; }
  .zh-chart-row { flex-direction: column; gap: 0.3rem; }
  .zh-chart-row-head { min-width: unset; width: fit-content; }
  .zh-chart-social th,
  .zh-chart-social td { padding: 0.28rem 0.35rem; font-size: 0.78rem; }
}

/* ── CMS content blocks (from dashboard) ── */
.cms-block {
  margin: 1.4rem 0;
  padding: 1.2rem 1.5rem;
  border-left: 3px solid var(--gold-dark, #8b6914);
  background: rgba(139, 105, 20, 0.07);
  border-radius: 0 6px 6px 0;
}
.cms-block-title {
  font-size: 1.05rem;
  color: var(--gold-dark, #8b6914);
  margin-bottom: 0.65rem;
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}
.cms-block-body {
  font-size: 0.97rem;
  line-height: 1.9;
  color: var(--ink, #2c1810);
}
.cms-block-body p  { margin-bottom: 0.6em; }
.cms-block-body ul,
.cms-block-body ol { padding-left: 1.4em; margin-bottom: 0.6em; }
.cms-block-body li { margin-bottom: 0.25em; }
.cms-block-body a  { color: var(--gold-dark, #8b6914); }

.dark .cms-block {
  background: rgba(201, 168, 76, 0.07);
  border-left-color: #c9a84c;
}
.dark .cms-block-title { color: #c9a84c; }
.dark .cms-block-body  { color: #e8dcc8; }

/* ── CMS block footer (date + like) ── */
.cms-block-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 0.8rem;
  padding-top: 0.6rem;
  border-top: 1px solid rgba(139, 105, 20, 0.2);
  flex-wrap: wrap;
  gap: 0.5rem;
}
.cms-block-date {
  font-size: 0.78rem;
  color: var(--ink-soft, #3a3a3a);
  opacity: 0.6;
}
.cms-like-btn {
  background: none;
  border: 1px solid rgba(139, 105, 20, 0.3);
  color: var(--ink-soft, #3a3a3a);
  padding: 0.2rem 0.7rem;
  border-radius: 20px;
  font-size: 0.82rem;
  cursor: pointer;
  font-family: inherit;
  transition: all 0.15s;
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
}
.cms-like-btn:hover {
  border-color: var(--gold-dark, #8b6914);
  color: var(--gold-dark, #8b6914);
}
.cms-like-btn.liked {
  background: rgba(139, 105, 20, 0.12);
  border-color: var(--gold-dark, #8b6914);
  color: var(--gold-dark, #8b6914);
}
.dark .cms-block-footer { border-top-color: rgba(201, 168, 76, 0.2); }
.dark .cms-block-date   { color: #c9b08a; }
.dark .cms-like-btn     { border-color: rgba(201, 168, 76, 0.3); color: #c9b08a; }
.dark .cms-like-btn:hover,
.dark .cms-like-btn.liked { border-color: #c9a84c; color: #c9a84c; }