/* ══════════════════════════════════════════════════════════
   site.css — shared multi-page styles
   Companion to style.css (include both on every page)
   ══════════════════════════════════════════════════════════ */

/* ── Site Navigation ──────────────────────────────────────── */
.site-nav {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 200;
  transition: background var(--transition), border-color var(--transition);
}
.site-nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1.5rem;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.nav-brand {
  font-family: var(--display);
  font-size: 15.5px;
  font-weight: 700;
  color: var(--text);
  text-decoration: none;
  letter-spacing: -0.01em;
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
  transition: color var(--transition);
}
.nav-brand:hover { color: var(--accent); }
.nav-brand-ms {
  font-family: var(--sans);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  background: var(--surface-2);
  border: 1px solid var(--border);
  padding: 2px 7px;
  border-radius: 4px;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 2px;
}
.nav-link {
  font-family: var(--sans);
  font-size: 12.5px;
  font-weight: 500;
  padding: 5px 12px;
  border-radius: var(--radius-sm);
  text-decoration: none;
  color: var(--text-2);
  transition: background var(--transition), color var(--transition);
  white-space: nowrap;
  display: flex;
  align-items: center;
  gap: 5px;
}
.nav-link:hover  { background: var(--accent-l); color: var(--accent); }
.nav-link.active { background: var(--accent);   color: #fff; }
.nav-link .nav-icon { font-size: 13px; opacity: 0.8; }
.nav-dark-btn {
  font-family: var(--sans);
  font-size: 12px;
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text-2);
  cursor: pointer;
  transition: background var(--transition), color var(--transition);
  white-space: nowrap;
  flex-shrink: 0;
}
.nav-dark-btn:hover { background: var(--accent-l); color: var(--accent); border-color: var(--border-h); }

@media (max-width: 640px) {
  .nav-brand-ms { display: none; }
  .nav-link .nav-icon { display: none; }
  .nav-link { font-size: 12px; padding: 5px 8px; }
}
@media (max-width: 420px) {
  .nav-link span:not(.nav-icon) { display: none; }
  .nav-link .nav-icon { display: inline; }
}

/* ══════════════════════════════════════════════════════════
   HOMEPAGE
   ══════════════════════════════════════════════════════════ */
.home-container {
  max-width: 1060px;
  margin: 0 auto;
  padding: 0 1.5rem 5rem;
}

/* ── Hero ── */
.home-hero {
  text-align: center;
  padding: 4rem 1rem 3.5rem;
  border-bottom: 1px solid var(--border);
  margin-bottom: 3.5rem;
}
.home-hero .ornament {
  color: var(--accent);
  font-size: 13px;
  letter-spacing: 10px;
  margin-bottom: 18px;
}
.home-hero h1 {
  font-family: var(--display);
  font-size: clamp(30px, 5vw, 52px);
  font-weight: 700;
  color: var(--text);
  line-height: 1.13;
  letter-spacing: -0.02em;
  margin-bottom: 14px;
}
.home-hero h1 em {
  font-style: italic;
  font-weight: 500;
  color: var(--accent);
}
.home-hero .ms-tag {
  display: inline-block;
  font-family: var(--sans);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  background: var(--surface-2);
  border: 1px solid var(--border);
  padding: 4px 14px;
  border-radius: 99px;
  margin-bottom: 20px;
}
.home-hero .lead {
  font-family: var(--serif);
  font-size: 17px;
  color: var(--text-2);
  max-width: 640px;
  margin: 0 auto 2rem;
  line-height: 1.8;
}
.home-hero .edition-note {
  font-family: var(--serif);
  font-style: italic;
  font-size: 13.5px;
  color: var(--muted);
}

/* ── Section labels ── */
.home-section-label {
  font-family: var(--sans);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 1.25rem;
  display: flex;
  align-items: center;
  gap: 10px;
}
.home-section-label::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}

/* ── Poem grid ── */
.poem-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin-bottom: 3.5rem;
}
@media (max-width: 580px) { .poem-grid { grid-template-columns: 1fr; } }

.poem-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  transition: box-shadow var(--transition), border-color var(--transition), transform 0.15s;
  text-decoration: none;
  display: flex;
  flex-direction: column;
}
.poem-card:hover {
  box-shadow: 0 6px 24px rgba(38,26,16,.1);
  transform: translateY(-2px);
}
.poem-card[data-poem="pearl"]     { --poem-color: var(--purple);   --poem-light: var(--purple-l);   border-top: 3px solid var(--purple);   }
.poem-card[data-poem="sggk"]      { --poem-color: var(--green);    --poem-light: var(--green-l);    border-top: 3px solid var(--green);    }
.poem-card[data-poem="patience"]  { --poem-color: var(--patience); --poem-light: var(--patience-l); border-top: 3px solid var(--patience); }
.poem-card[data-poem="cleanness"] { --poem-color: var(--clean);    --poem-light: var(--clean-l);    border-top: 3px solid var(--clean);    }
.poem-card:hover { border-color: var(--poem-color); }

.poem-card-top {
  padding: 18px 20px 14px;
  flex: 1;
}
.poem-card-num {
  font-family: var(--sans);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--poem-color);
  background: var(--poem-light);
  display: inline-block;
  padding: 2px 9px;
  border-radius: 4px;
  margin-bottom: 10px;
}
.poem-card-title {
  font-family: var(--display);
  font-size: 20px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 4px;
  line-height: 1.2;
}
.poem-card-lines {
  font-family: var(--sans);
  font-size: 11px;
  color: var(--muted);
  margin-bottom: 10px;
}
.poem-card-desc {
  font-family: var(--serif);
  font-size: 14px;
  color: var(--text-2);
  line-height: 1.7;
}
.poem-card-excerpt {
  background: var(--poem-light);
  border-top: 1px solid var(--border);
  padding: 12px 20px;
  font-family: var(--serif);
  font-style: italic;
  font-size: 13px;
  color: var(--text-2);
  line-height: 1.65;
}
.poem-card-excerpt .excerpt-line { display: block; }

/* ── Tool cards ── */
.tool-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-bottom: 3.5rem;
}
@media (max-width: 640px) { .tool-grid { grid-template-columns: 1fr; } }

.tool-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px;
  text-decoration: none;
  display: block;
  transition: box-shadow var(--transition), border-color var(--transition), transform 0.15s;
}
.tool-card:hover {
  border-color: var(--border-h);
  box-shadow: 0 4px 16px rgba(38,26,16,.08);
  transform: translateY(-2px);
}
.tool-card-icon {
  font-size: 26px;
  margin-bottom: 10px;
  display: block;
}
.tool-card-title {
  font-family: var(--display);
  font-size: 16px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 6px;
}
.tool-card-desc {
  font-family: var(--serif);
  font-size: 13.5px;
  color: var(--text-2);
  line-height: 1.65;
}
.tool-card-arrow {
  display: inline-block;
  margin-top: 12px;
  font-family: var(--sans);
  font-size: 11px;
  color: var(--accent);
  font-weight: 600;
  letter-spacing: 0.03em;
}

/* ── About section ── */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  margin-bottom: 3rem;
}
@media (max-width: 640px) { .about-grid { grid-template-columns: 1fr; } }

.about-block h3 {
  font-family: var(--display);
  font-size: 17px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 10px;
}
.about-block p {
  font-family: var(--serif);
  font-size: 14.5px;
  color: var(--text-2);
  line-height: 1.8;
  margin-bottom: 8px;
}
.about-block p:last-child { margin-bottom: 0; }

/* ══════════════════════════════════════════════════════════
   RESEARCH PAGE
   ══════════════════════════════════════════════════════════ */
.research-container {
  max-width: 1060px;
  margin: 0 auto;
  padding: 2.5rem 1.5rem 5rem;
}
.research-header {
  text-align: center;
  margin-bottom: 2.5rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--border);
}
.research-header h1 {
  font-family: var(--display);
  font-size: 30px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 8px;
  letter-spacing: -0.01em;
}
.research-header p {
  font-family: var(--serif);
  font-style: italic;
  font-size: 15px;
  color: var(--muted);
  max-width: 580px;
  margin: 0 auto 14px;
}
.research-meta-bar {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  flex-wrap: wrap;
}
.research-badge {
  font-family: var(--sans);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.06em;
  padding: 3px 10px;
  border-radius: 99px;
  border: 1px solid var(--border);
  color: var(--muted);
  background: var(--surface);
}
.research-refresh-btn {
  font-family: var(--sans);
  font-size: 12px;
  padding: 5px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text-2);
  cursor: pointer;
  transition: all var(--transition);
  display: flex;
  align-items: center;
  gap: 5px;
}
.research-refresh-btn:hover { background: var(--accent-l); color: var(--accent); border-color: var(--border-h); }
.research-refresh-btn.spinning .refresh-icon { animation: spin 1s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
.refresh-icon { display: inline-block; }

/* ── Category panels ── */
.category-panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  margin-bottom: 16px;
  overflow: hidden;
  transition: box-shadow var(--transition);
}
.category-panel.open { box-shadow: 0 4px 20px rgba(38,26,16,.07); }

.category-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 20px;
  cursor: pointer;
  user-select: none;
  transition: background var(--transition);
}
.category-header:hover { background: var(--surface-2); }
.category-header.open  { background: var(--surface-2); border-bottom: 1px solid var(--border); }

.category-accent {
  width: 4px;
  height: 36px;
  border-radius: 2px;
  flex-shrink: 0;
}
.category-icon {
  font-size: 20px;
  flex-shrink: 0;
  width: 28px;
  text-align: center;
}
.category-info { flex: 1; min-width: 0; }
.category-name {
  font-family: var(--display);
  font-size: 16.5px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 2px;
}
.category-sub-names {
  font-family: var(--sans);
  font-size: 11px;
  color: var(--muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.category-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}
.category-status {
  font-family: var(--sans);
  font-size: 11px;
  color: var(--muted);
}
.category-status.loaded { color: var(--green); }
.load-btn {
  font-family: var(--sans);
  font-size: 12px;
  padding: 5px 12px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text-2);
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
}
.load-btn:hover   { background: var(--accent-l); color: var(--accent); border-color: var(--border-h); }
.load-btn.loading { pointer-events: none; color: var(--muted); }
.category-chevron {
  font-size: 11px;
  color: var(--muted);
  transition: transform 0.2s;
  flex-shrink: 0;
}
.category-header.open .category-chevron { transform: rotate(180deg); }

/* ── Category body ── */
.category-body {
  display: none;
  padding: 20px;
}
.category-body.open { display: block; }

/* ── Subcategory tabs ── */
.subcategory-tabs {
  display: flex;
  gap: 5px;
  margin-bottom: 18px;
  flex-wrap: wrap;
}
.subcat-tab {
  font-family: var(--sans);
  font-size: 12px;
  padding: 5px 12px;
  border-radius: 99px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  transition: all var(--transition);
}
.subcat-tab:hover  { background: var(--accent-l); color: var(--accent); border-color: var(--border-h); }
.subcat-tab.active { background: var(--accent); color: #fff; border-color: var(--accent); }

/* ── Papers ── */
.papers-empty {
  text-align: center;
  padding: 2rem;
  color: var(--muted);
  font-family: var(--serif);
  font-style: italic;
  font-size: 15px;
}
.papers-loading {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 1.5rem;
  color: var(--muted);
  font-family: var(--serif);
  font-style: italic;
  font-size: 15px;
}
.papers-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 12px;
}
.paper-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px 16px;
  transition: border-color var(--transition), box-shadow var(--transition);
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.paper-card:hover {
  border-color: var(--border-h);
  box-shadow: 0 2px 10px rgba(38,26,16,.06);
}
.paper-tags {
  display: flex;
  gap: 5px;
  flex-wrap: wrap;
}
.paper-tag {
  font-family: var(--sans);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 2px 7px;
  border-radius: 4px;
  border: 1px solid var(--border);
  color: var(--muted);
  background: var(--surface);
}
.paper-tag.year { color: var(--accent); background: var(--accent-l); border-color: var(--accent-l); }
.paper-title {
  font-family: var(--display);
  font-size: 14.5px;
  font-weight: 700;
  color: var(--text);
  line-height: 1.35;
}
.paper-title a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition);
}
.paper-title a:hover { color: var(--accent); text-decoration: underline; }
.paper-authors {
  font-family: var(--serif);
  font-size: 13px;
  color: var(--text-2);
  font-style: italic;
}
.paper-abstract {
  font-family: var(--serif);
  font-size: 13px;
  color: var(--text-2);
  line-height: 1.7;
}
.paper-journal {
  font-family: var(--sans);
  font-size: 11px;
  color: var(--muted);
}
.paper-link {
  font-family: var(--sans);
  font-size: 11.5px;
  color: var(--accent);
  text-decoration: none;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 3px;
  margin-top: auto;
  padding-top: 4px;
}
.paper-link:hover { text-decoration: underline; }
.paper-error {
  font-family: var(--serif);
  font-size: 13.5px;
  color: var(--danger);
  padding: 1rem;
  background: var(--surface-2);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
}

/* ══════════════════════════════════════════════════════════
   EXPLORE / VERSE DECODER PAGE
   ══════════════════════════════════════════════════════════ */
.explore-container {
  max-width: 980px;
  margin: 0 auto;
  padding: 2.5rem 1.5rem 5rem;
}
.explore-header {
  text-align: center;
  margin-bottom: 2.5rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--border);
}
.explore-header h1 {
  font-family: var(--display);
  font-size: 30px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 8px;
}
.explore-header p {
  font-family: var(--serif);
  font-style: italic;
  font-size: 15px;
  color: var(--muted);
  max-width: 520px;
  margin: 0 auto;
}

/* ── Passage selector ── */
.decode-input-panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  overflow: hidden;
  margin-bottom: 24px;
}
.decode-panel-header {
  padding: 14px 20px;
  background: var(--surface-2);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}
.decode-panel-title {
  font-family: var(--display);
  font-size: 15px;
  font-weight: 700;
  color: var(--text);
}
.passage-selector-row {
  padding: 16px 20px;
  display: flex;
  gap: 10px;
  align-items: center;
  flex-wrap: wrap;
  border-bottom: 1px solid var(--border);
}
.passage-select {
  font-family: var(--serif);
  font-size: 14px;
  padding: 7px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg);
  color: var(--text);
  cursor: pointer;
  transition: border-color var(--transition);
}
.passage-select:focus { outline: none; border-color: var(--accent); }

.passage-textarea-wrap {
  padding: 16px 20px;
}
.passage-textarea-label {
  font-family: var(--sans);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 8px;
  display: block;
}
#passage-input {
  width: 100%;
  font-family: var(--serif);
  font-size: 15px;
  line-height: 1.9;
  padding: 12px 14px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg);
  color: var(--text);
  resize: vertical;
  min-height: 120px;
  transition: border-color var(--transition);
  white-space: pre-wrap;
  font-style: italic;
}
#passage-input:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px rgba(124,94,60,.1); }
.decode-actions {
  padding: 14px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  border-top: 1px solid var(--border);
}
.decode-hint {
  font-family: var(--serif);
  font-style: italic;
  font-size: 13px;
  color: var(--muted);
}
#decode-btn {
  font-family: var(--serif);
  font-size: 15px;
  padding: 9px 24px;
  border-radius: 9px;
  border: none;
  background: var(--accent);
  color: #fff;
  cursor: pointer;
  transition: background var(--transition), transform 0.1s;
  display: flex;
  align-items: center;
  gap: 7px;
}
#decode-btn:hover:not(:disabled) { background: var(--text); }
#decode-btn:active:not(:disabled) { transform: scale(0.98); }
#decode-btn:disabled { background: var(--border); color: var(--muted); cursor: not-allowed; }

/* ── Results panel ── */
.decode-results {
  display: none;
}
.decode-results.visible { display: block; }

.result-section {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  margin-bottom: 14px;
  overflow: hidden;
}
.result-section-header {
  padding: 12px 18px;
  background: var(--surface-2);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.result-section-title {
  font-family: var(--display);
  font-size: 14px;
  font-weight: 700;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 7px;
}
.result-section-body { padding: 18px; }

/* Side-by-side ME / ModE */
.side-by-side {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
@media (max-width: 600px) { .side-by-side { grid-template-columns: 1fr; } }

.text-col-label {
  font-family: var(--sans);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 10px;
}
.me-text {
  font-family: var(--serif);
  font-size: 15px;
  line-height: 2;
  font-style: italic;
  color: var(--text);
}
.me-line {
  display: block;
  padding: 1px 0;
  border-radius: 3px;
  transition: background 0.1s;
}
.me-line:hover { background: var(--accent-l); cursor: default; }
.mod-text {
  font-family: var(--serif);
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--text-2);
}

/* Word glossary table */
.gloss-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.93em;
}
.gloss-table th {
  font-family: var(--sans);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  background: var(--surface-2);
  padding: 7px 12px;
  text-align: left;
  border: 1px solid var(--border);
}
.gloss-table td {
  padding: 7px 12px;
  border: 1px solid var(--border);
  vertical-align: top;
  font-family: var(--serif);
  font-size: 14px;
  color: var(--text);
  line-height: 1.5;
}
.gloss-table tr:nth-child(even) td { background: var(--surface-2); }
.gloss-me   { font-style: italic; font-weight: 600; }
.gloss-phon { font-family: monospace; font-size: 0.88em; color: var(--muted); }
.gloss-mod  { color: var(--text-2); }
.gloss-gram { font-style: italic; color: var(--muted); font-size: 0.92em; }

/* Prosody analysis */
.prosody-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.prosody-row {
  display: grid;
  grid-template-columns: 1fr 80px 1fr;
  gap: 12px;
  align-items: start;
  padding: 10px 14px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  font-family: var(--serif);
  font-size: 14px;
}
@media (max-width: 580px) {
  .prosody-row { grid-template-columns: 1fr; }
}
.prosody-line { font-style: italic; color: var(--text); }
.prosody-pattern {
  font-family: monospace;
  font-size: 13px;
  font-weight: 700;
  color: var(--accent);
  text-align: center;
  letter-spacing: 0.1em;
}
.prosody-note { color: var(--text-2); font-size: 13px; }

/* Commentary */
.commentary-text {
  font-family: var(--serif);
  font-size: 15px;
  line-height: 1.85;
  color: var(--text);
}
.commentary-text p { margin-bottom: 0.75em; }
.commentary-text p:last-child { margin-bottom: 0; }

/* Decode loading */
.decode-loading {
  display: none;
  align-items: center;
  gap: 12px;
  padding: 1.5rem 0;
  color: var(--muted);
  font-family: var(--serif);
  font-style: italic;
  font-size: 15px;
}
.decode-loading.visible { display: flex; }

/* ── Page top bar ── */
.page-top-bar {
  height: 3px;
  background: linear-gradient(90deg, var(--green) 0%, var(--accent) 35%, var(--purple) 65%, var(--green) 100%);
}