/* ============================================
   Mind Only — Vasubandhu's Thirty Verses
   Design system
   ============================================ */

:root {
  --color-bg: #FAF7F2;
  --color-surface: #FFFFFF;
  --color-text: #1A1733;
  --color-text-muted: #6B6480;
  --color-border: #E5DFD3;

  --color-primary: #4338CA;
  --color-primary-light: #6366F1;
  --color-primary-dark: #3730A3;

  --color-accent: #B45309;
  --color-accent-light: #D97706;
  --color-accent-dark: #92400E;

  --color-lens-indigo: #4338CA;
  --color-lens-amber:  #B45309;
  --color-lens-violet: #7C3AED;
  --color-lens-teal:   #0D9488;
  --color-lens-rose:   #BE123C;

  --color-scrollbar: #CBC3B0;
}

.dark {
  --color-bg: #0F0E1C;
  --color-surface: #1A1733;
  --color-text: #E8E5F5;
  --color-text-muted: #9B95B5;
  --color-border: #2A2745;

  --color-primary: #818CF8;
  --color-primary-light: #A5B4FC;
  --color-primary-dark: #6366F1;

  --color-accent: #F59E0B;
  --color-accent-light: #FBBF24;

  --color-lens-indigo: #818CF8;
  --color-lens-amber:  #F59E0B;
  --color-lens-violet: #A78BFA;
  --color-lens-teal:   #2DD4BF;
  --color-lens-rose:   #FB7185;

  --color-scrollbar: #3A3760;
}

html { scroll-behavior: smooth; }

::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background-color: var(--color-scrollbar); border-radius: 20px; }

/* --- Prose adjustments for lens commentaries --- */
.prose {
  color: var(--color-text);
}
.prose strong { color: var(--color-text); }
.prose a {
  color: var(--color-primary);
  text-decoration: none;
}
.prose a:hover { text-decoration: underline; }
.prose code {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.85em;
  background-color: rgba(67, 56, 202, 0.08);
  color: var(--color-primary);
  padding: 0.15em 0.4em;
  border-radius: 0.25rem;
}
.dark .prose code { background-color: rgba(129, 140, 248, 0.12); }
.prose pre {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  color: var(--color-text);
}
.prose blockquote {
  border-left-color: var(--color-accent);
  color: var(--color-text-muted);
  font-style: italic;
}
.prose h2 { scroll-margin-top: 5rem; font-family: 'Spectral', serif; }
.prose h3 { scroll-margin-top: 5rem; font-family: 'Spectral', serif; }

/* --- Lens cards --- */
.lens-card {
  position: relative;
  transition: transform 0.15s ease, border-color 0.15s ease, box-shadow 0.15s ease;
}
.lens-card:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 14px rgba(15, 14, 28, 0.05);
}

.lens-indigo { border-left: 3px solid var(--color-lens-indigo); }
.lens-amber  { border-left: 3px solid var(--color-lens-amber);  }
.lens-violet { border-left: 3px solid var(--color-lens-violet); }
.lens-teal   { border-left: 3px solid var(--color-lens-teal);   }
.lens-rose   { border-left: 3px solid var(--color-lens-rose);   }

.lens-icon-indigo { color: var(--color-lens-indigo); }
.lens-icon-amber  { color: var(--color-lens-amber);  }
.lens-icon-violet { color: var(--color-lens-violet); }
.lens-icon-teal   { color: var(--color-lens-teal);   }
.lens-icon-rose   { color: var(--color-lens-rose);   }

/* --- Read page: lens toggles + chips --- */
.lens-toggle.is-on {
  background-color: var(--color-surface);
  border-color: var(--color-primary);
  color: var(--color-text);
}
.lens-toggle.is-on .lens-toggle-dot { opacity: 1 !important; }

.lens-chip.is-open {
  background-color: var(--color-surface);
  border-color: var(--color-primary);
  color: var(--color-text);
}

.lens-block {
  animation: lens-reveal 0.18s ease-out;
}
@keyframes lens-reveal {
  from { opacity: 0; transform: translateY(-2px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* --- Lens switcher (sub-nav across /read/ and /read/{lens}/ pages) --- */
.lens-switch-tab {
  border-bottom: 2px solid transparent;
  color: var(--color-text-muted);
  transition: color 0.15s ease, border-color 0.15s ease, background-color 0.15s ease;
}
.lens-switch-tab:hover {
  color: var(--color-text);
  background-color: var(--color-surface);
}
.lens-switch-tab.is-active {
  color: var(--color-text);
  border-bottom-color: var(--tab-active-color, var(--color-primary));
  background-color: var(--color-surface);
}
.lens-switch-tab[data-lens="dse"].is-active { --tab-active-color: var(--color-lens-indigo); }
.lens-switch-tab[data-lens="cyn"].is-active { --tab-active-color: var(--color-lens-amber);  }
.lens-switch-tab[data-lens="cog"].is-active { --tab-active-color: var(--color-lens-violet); }
.lens-switch-tab[data-lens="pro"].is-active { --tab-active-color: var(--color-lens-teal);   }
.lens-switch-tab[data-lens="skp"].is-active { --tab-active-color: var(--color-lens-rose);   }

/* --- Verse TOC (read/dse page) --- */
.verse-toc-link {
  display: inline-block;
  min-width: 1.4rem;
  text-align: center;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  font-weight: 400;
  color: var(--color-text-muted);
  text-decoration: none;
  transition: color 0.15s ease;
  font-variant-numeric: tabular-nums;
}
.verse-toc-link:hover {
  color: var(--toc-active-color, var(--color-lens-indigo));
}
.verse-toc-link.is-active {
  color: var(--toc-active-color, var(--color-lens-indigo));
  font-weight: 600;
}
.verse-toc[data-lens="dse"] { --toc-active-color: var(--color-lens-indigo); }
.verse-toc[data-lens="cyn"] { --toc-active-color: var(--color-lens-amber);  }
.verse-toc[data-lens="cog"] { --toc-active-color: var(--color-lens-violet); }
.verse-toc[data-lens="pro"] { --toc-active-color: var(--color-lens-teal);   }
.verse-toc[data-lens="skp"] { --toc-active-color: var(--color-lens-rose);   }
.verse-toc-sep {
  display: inline-block;
  width: 1px;
  height: 0.75rem;
  margin: 0;
  background-color: var(--color-border);
  vertical-align: middle;
  opacity: 0.6;
}

/* --- Chinese verse rendering --- */
.chinese-verse {
  font-family: "Songti SC", "STSong", "Noto Serif SC", "PingFang SC", serif;
  letter-spacing: 0.04em;
}

/* --- Verse cards on index --- */
.verse-card {
  transition: transform 0.15s ease, border-color 0.15s ease, box-shadow 0.15s ease;
}
.verse-card:hover {
  transform: translateY(-2px);
}

/* --- Hero: "manuscript opening" — parchment ground, Chinese title as a faint field --- */
.hero-ghost {
  position: absolute;
  top: 50%;
  right: -1%;
  transform: translateY(-50%);
  font-family: "Songti SC", "STSong", "Noto Serif SC", "PingFang SC", serif;
  font-size: clamp(12rem, 24vw, 21rem);
  line-height: 0.8;
  writing-mode: vertical-rl;
  letter-spacing: 0.05em;
  white-space: nowrap;
  color: var(--color-text);
  opacity: 0.045;
  user-select: none;
  pointer-events: none;
  /* fade the left edge so the characters never collide with the body copy */
  -webkit-mask-image: linear-gradient(to left, #000 50%, transparent 90%);
  mask-image: linear-gradient(to left, #000 50%, transparent 90%);
}
.dark .hero-ghost { opacity: 0.055; }
@media (max-width: 1023px) {
  .hero-ghost { display: none; }
}

/* --- Verse relic: hanging numeral in the margin, verse text as center of gravity --- */
.verse-numeral { display: none; }
@media (min-width: 1024px) {
  .verse-numeral {
    display: block;
    position: absolute;
    left: 0;
    top: -0.5rem;
    width: 4.5rem;
    padding-right: 1rem;
    text-align: right;
    font-family: 'Spectral', serif;
    font-weight: 300;
    font-size: 3.75rem;
    line-height: 1;
    color: var(--color-accent);
    opacity: 0.3;
    font-variant-numeric: tabular-nums;
    user-select: none;
  }
}

/* --- Infographic SVG defaults --- */
.infographic {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 0.75rem;
  padding: 1.5rem;
  overflow: hidden;
}
.infographic svg { display: block; max-width: 100%; height: auto; margin: 0 auto; }
.infographic-caption {
  margin-top: 0.75rem;
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  text-align: center;
  font-style: italic;
}

/* SVG palette tokens (used inline via CSS variables) */
.svg-stroke-text { stroke: var(--color-text); }
.svg-fill-text { fill: var(--color-text); }
.svg-fill-muted { fill: var(--color-text-muted); }
.svg-fill-bg { fill: var(--color-bg); }
.svg-fill-surface { fill: var(--color-surface); }
.svg-stroke-border { stroke: var(--color-border); }
.svg-fill-primary { fill: var(--color-primary); }
.svg-stroke-primary { stroke: var(--color-primary); }
.svg-fill-accent { fill: var(--color-accent); }
.svg-stroke-accent { stroke: var(--color-accent); }

/* --- TOC sidebar (if used) --- */
.toc-sidebar {
  position: sticky;
  top: 5rem;
  max-height: calc(100vh - 6rem);
  overflow-y: auto;
}
.toc-link {
  display: block;
  padding: 0.25rem 0.75rem;
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  border-left: 2px solid transparent;
  transition: all 0.2s ease;
  text-decoration: none;
}
.toc-link:hover { color: var(--color-primary); }
.toc-link.active {
  color: var(--color-primary);
  border-left-color: var(--color-primary);
  font-weight: 500;
}
.toc-link.toc-h3 { padding-left: 1.5rem; font-size: 0.75rem; }

/* line-clamp fallback */
.line-clamp-3 {
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

@media print {
  .toc-sidebar, .navbar, .mobile-menu, footer, .dark-toggle { display: none !important; }
  .prose { max-width: 100% !important; }
  body { color: #000 !important; background: #fff !important; }
}

/* ============================================================
   Maturity — per verse×lens human-review state
   ============================================================ */
:root {
  /* Status colors deliberately distinct from the five LENS colors:
     these signal review state, not which voice. */
  --color-maturity-draft:     var(--color-text-muted);
  --color-maturity-in-review: var(--color-accent);
  --color-maturity-settling:  var(--color-primary);
  --color-maturity-stable:    #15803D;
}
.dark {
  --color-maturity-stable:    #4ADE80;
}

/* --- The quiet per-reading marker --- */
.maturity-marker {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.4rem 0.85rem;
  margin-top: 1.1rem;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-muted);
}
.maturity-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.15rem 0.55rem;
  border: 1px solid var(--color-border);
  border-radius: 999px;
  white-space: nowrap;
}
.maturity-dot {
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 50%;
  background-color: var(--m-color, var(--color-text-muted));
  flex-shrink: 0;
}
.maturity-status { color: var(--color-text); font-weight: 500; }
.maturity-never  { font-style: italic; }
.maturity-note   {
  text-transform: none;
  letter-spacing: normal;
  font-style: italic;
}
.maturity-draft     { --m-color: var(--color-maturity-draft); }
.maturity-in-review { --m-color: var(--color-maturity-in-review); }
.maturity-settling  { --m-color: var(--color-maturity-settling); }
.maturity-stable    { --m-color: var(--color-maturity-stable); }

/* --- Open questions: content, rendered inline (not a tooltip) --- */
.maturity-open-questions {
  margin-top: 0.75rem;
  padding: 0.7rem 0.95rem;
  border: 1px dashed var(--color-border);
  border-radius: 0.375rem;
}
.maturity-oq-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-muted);
  margin: 0 0 0.4rem;
}
.maturity-oq-attr { font-weight: 400; opacity: 0.8; }
.maturity-open-questions ul {
  margin: 0;
  padding-left: 1.15rem;
  list-style: disc;
}
.maturity-open-questions li {
  font-size: 0.875rem;
  line-height: 1.5;
  color: var(--color-text);
  margin: 0.2rem 0;
}

/* --- The 30 × 5 dashboard grid (/status/) --- */
.maturity-grid {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.8125rem;
}
.maturity-grid th,
.maturity-grid td {
  border: 1px solid var(--color-border);
  padding: 0.4rem 0.5rem;
  text-align: center;
}
.maturity-grid thead th {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-muted);
  font-weight: 500;
  background: var(--color-surface);
  position: sticky;
  top: 4rem;
  z-index: 10;
}
.maturity-grid th.maturity-rowhead {
  text-align: left;
  font-family: 'JetBrains Mono', monospace;
  font-weight: 400;
  white-space: nowrap;
}
.maturity-grid th.maturity-rowhead a {
  color: var(--color-text);
  text-decoration: none;
}
.maturity-grid th.maturity-rowhead a:hover { color: var(--color-primary); }
.maturity-cell { padding: 0 !important; }
.maturity-cell a {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 2.1rem;
  text-decoration: none;
}
.maturity-cell a:hover { background: var(--color-surface); }
.maturity-cell .maturity-dot { width: 0.7rem; height: 0.7rem; }
.maturity-cell.has-oq .maturity-dot {
  box-shadow: 0 0 0 2px var(--color-bg), 0 0 0 3px var(--m-color, var(--color-text-muted));
}

/* --- Legend --- */
.maturity-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 1.5rem;
}
.maturity-legend-item {
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
}
.maturity-legend-item .maturity-dot {
  position: relative;
  top: 1px;
}
.maturity-legend-count {
  font-family: 'JetBrains Mono', monospace;
  font-variant-numeric: tabular-nums;
  color: var(--color-text);
  font-weight: 600;
}