/* ═══════════════════════════════════════════════════
   latex-theme.css — academic-paper theme toggle
   Applied when <html data-theme="latex"> is set.
   One DOM, CSS-only presentation switch (moofin pattern).
   ═══════════════════════════════════════════════════ */

/* ── body / paper ── */
[data-theme="latex"] body {
  background: #fafafa !important;
  color: #1a1a1a !important;
  font-family: "Crimson Text", Georgia, "Times New Roman", serif !important;
  text-align: justify;
  line-height: 1.65;
  hyphens: auto;
  margin: 0;
  scroll-behavior: smooth;
  transition: background-color 0.3s ease, color 0.3s ease;
}

[data-theme="latex"] body a,
[data-theme="latex"] body a:visited {
  color: #1a1a1a !important;
  text-decoration: underline;
  text-decoration-color: #aaa;
  text-underline-offset: 2px;
}
[data-theme="latex"] body a:hover {
  color: #000 !important;
  text-decoration-color: #333;
}

/* ── hide chaos ── */
[data-theme="latex"] marquee { display: none !important; }
[data-theme="latex"] img[src*="gifs/"] { display: none !important; }
[data-theme="latex"] audio { display: none !important; }
[data-theme="latex"] audio + b { display: none !important; }
[data-theme="latex"] audio ~ #bgm-btn { display: none !important; }
[data-theme="latex"] #bgm-btn { display: none !important; }

/* ── collapse 3-column table to centered single column ── */
[data-theme="latex"] table[width="100%"] > tbody > tr > td:first-child,
[data-theme="latex"] table[width="100%"] > tr > td:first-child {
  display: none !important;
}
[data-theme="latex"] table[width="100%"] > tbody > tr > td:last-child,
[data-theme="latex"] table[width="100%"] > tr > td:last-child {
  display: none !important;
}
[data-theme="latex"] table[width="100%"] > tbody > tr > td,
[data-theme="latex"] table[width="100%"] > tr > td {
  display: block !important;
  width: 100% !important;
  max-width: 680px;
  margin: 0 auto;
  border: none !important;
  padding: 48px 32px 80px !important;
  box-sizing: border-box;
}

/* ── restyle content ── */
[data-theme="latex"] hr {
  border: none !important;
  border-top: 1px solid #333 !important;
  margin: 24px 0;
}
[data-theme="latex"] b {
  font-variant: small-caps;
  letter-spacing: 1px;
  font-weight: 600;
}
[data-theme="latex"] small {
  font-size: 12px;
  color: #666;
}
[data-theme="latex"] p { margin: 8px 0; }
[data-theme="latex"] ul { padding-left: 20px; }
[data-theme="latex"] li { margin: 4px 0; }
[data-theme="latex"] center { padding: 16px 0; }

/* ── neutralize inline styles on tab headers (projects page) ── */
[data-theme="latex"] td[id^="tab-"],
[data-theme="latex"] td[id^="tab-"] a,
[data-theme="latex"] td[style*="background:#000000"],
[data-theme="latex"] td[style*="background:#000"] {
  background: transparent !important;
  border: 1px solid #333 !important;
  border-bottom: none !important;
  padding: 2px 8px !important;
}
[data-theme="latex"] td[id^="tab-"] a {
  color: inherit !important;
  text-decoration: none !important;
}
[data-theme="latex"] td[id^="tab-"]:not([style*="background:transparent"]) a,
[data-theme="latex"] td[id^="tab-"].active a {
  font-weight: 700;
}
/* generic neutralizer for any inline black-bg cells */
[data-theme="latex"] [style*="background:#000000"],
[data-theme="latex"] [style*="background:#000"],
[data-theme="latex"] [style*="background-color:#000000"],
[data-theme="latex"] [style*="background-color:#000"] {
  background: transparent !important;
  background-color: transparent !important;
}
[data-theme="latex"] [style*="color:#ffffff"],
[data-theme="latex"] [style*="color:#fff"] {
  color: inherit !important;
}

/* ── keep 88x31 buttons at fixed size (both themes) ── */
img[src*="buttons/"] {
  width: 88px;
  height: 31px;
}
[data-theme="latex"] img[src*="buttons/"] {
  display: inline !important;
  filter: grayscale(100%);
  opacity: 0.45;
}

/* ── latex chip (toggle button) ── */
.latex-chip {
  position: fixed;
  bottom: 52px;
  right: 18px;
  font-family: "Courier New", Courier, monospace;
  font-size: 12px;
  background: #f4f4f4;
  border: 1px solid #bbb;
  border-radius: 2px;
  padding: 3px 10px;
  cursor: pointer;
  text-decoration: none;
  color: #555;
  z-index: 9999;
  user-select: none;
  transition: background 0.15s, color 0.15s;
}
.latex-chip:hover {
  background: #e0e0e0;
  color: #222;
}
[data-theme="latex"][data-mode="dark"] .latex-chip {
  background: #2a2a2a;
  border-color: #555;
  color: #aaa;
}
[data-theme="latex"][data-mode="dark"] .latex-chip:hover {
  background: #3a3a3a;
  color: #fff;
}

/* (latex-nav removed — replaced by \begin{document} nav chip) */

/* ═══════════════════════════════════════════════════
   Dark mode (pagecolor toggle) — latex view only
   Triggered by <html data-mode="dark">
   ═══════════════════════════════════════════════════ */

[data-theme="latex"][data-mode="dark"] body {
  background: #1a1a1a !important;
  color: #d4d4d4 !important;
}
[data-theme="latex"][data-mode="dark"] body a,
[data-theme="latex"][data-mode="dark"] body a:visited {
  color: #c8c8c8 !important;
  text-decoration-color: #555;
}
[data-theme="latex"][data-mode="dark"] body a:hover {
  color: #fff !important;
  text-decoration-color: #999;
}
[data-theme="latex"][data-mode="dark"] hr {
  border-top-color: #444 !important;
}
[data-theme="latex"][data-mode="dark"] small {
  color: #999;
}
[data-theme="latex"][data-mode="dark"] b {
  color: #e8e8e8;
}
[data-theme="latex"][data-mode="dark"] img[src*="buttons/"] {
  filter: invert(1) grayscale(100%);
  opacity: 0.55;
}

/* ── pagecolor toggle chip (side by side with \end{document}) ── */
.pagecolor-chip {
  bottom: 52px;
  right: 150px;
}
[data-theme="personal"] .pagecolor-chip {
  display: none;
}
[data-theme="latex"][data-mode="dark"] .pagecolor-chip {
  background: #2a2a2a;
  border-color: #555;
  color: #aaa;
}
[data-theme="latex"][data-mode="dark"] .pagecolor-chip:hover {
  background: #3a3a3a;
  color: #fff;
}

/* ── highlight.js github-dark already dark — keep readable in dark latex ── */
[data-theme="latex"][data-mode="dark"] pre,
[data-theme="latex"][data-mode="dark"] pre code {
  background: #0d1117 !important;
  color: #c9d1d9 !important;
}
[data-theme="latex"][data-mode="dark"] td[id^="tab-"],
[data-theme="latex"][data-mode="dark"] td[id^="tab-"] a {
  border-color: #555 !important;
}

/* ═══════════════════════════════════════════════════
   Back-to-top chip (\top)
   ═══════════════════════════════════════════════════ */
.top-chip {
  bottom: 52px;
  left: 18px;
  right: auto;
  width: auto;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease, background 0.15s, color 0.15s;
}
.top-chip.visible {
  opacity: 1;
  pointer-events: auto;
}
[data-theme="personal"] .top-chip { display: none; }
[data-theme="latex"][data-mode="dark"] .top-chip {
  background: #2a2a2a;
  border-color: #555;
  color: #aaa;
}
[data-theme="latex"][data-mode="dark"] .top-chip:hover {
  background: #3a3a3a;
  color: #fff;
}

/* ── nav chip (\begin{document}) — left side ── */
.nav-chip {
  bottom: 82px;
  left: 18px;
  right: auto;
  width: auto;
}
[data-theme="personal"] .nav-chip { display: none; }
[data-theme="latex"][data-mode="dark"] .nav-chip {
  background: #2a2a2a;
  border-color: #555;
  color: #aaa;
}
[data-theme="latex"][data-mode="dark"] .nav-chip:hover {
  background: #3a3a3a;
  color: #fff;
}

/* ═══════════════════════════════════════════════════
   LaTeX sticky taskbar (bottom-fixed bar)
   ═══════════════════════════════════════════════════ */
[data-theme="latex"] body { padding-bottom: 44px; }
[data-theme="personal"] .latex-taskbar { display: none; }
.latex-taskbar {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  height: 36px;
  background: #f0f0f0;
  border-top: 1px solid #ccc;
  font-family: "Crimson Text", Georgia, serif;
  font-size: 13px;
  color: #666;
  z-index: 9998;
  align-items: center;
  justify-content: space-between;
  padding: 0 16px;
  box-sizing: border-box;
}
[data-theme="latex"] .latex-taskbar { display: flex; }
[data-theme="latex"][data-mode="dark"] .latex-taskbar {
  background: #1a1a1a;
  border-top-color: #333;
  color: #888;
}
.latex-taskbar a {
  color: #555 !important;
  text-decoration: none !important;
  white-space: nowrap;
}
.latex-taskbar a:hover {
  color: #000 !important;
  text-decoration: underline !important;
}
[data-theme="latex"][data-mode="dark"] .latex-taskbar a {
  color: #999 !important;
}
[data-theme="latex"][data-mode="dark"] .latex-taskbar a:hover {
  color: #fff !important;
}
.taskbar-left, .taskbar-right {
  display: flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
}
.taskbar-center {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  font-style: italic;
  font-size: 12px;
  color: #999;
  pointer-events: none;
}
[data-theme="latex"][data-mode="dark"] .taskbar-center {
  color: #666;
}
.taskbar-right {
  font-family: "Courier New", monospace;
  font-size: 12px;
}

/* ═══════════════════════════════════════════════════
   Table of contents chip + overlay
   ═══════════════════════════════════════════════════ */
.toc-chip {
  bottom: 82px;
}
[data-theme="personal"] .toc-chip { display: none; }
[data-theme="latex"][data-mode="dark"] .toc-chip {
  background: #2a2a2a;
  border-color: #555;
  color: #aaa;
}
[data-theme="latex"][data-mode="dark"] .toc-chip:hover {
  background: #3a3a3a;
  color: #fff;
}
.latex-toc {
  display: none;
  position: fixed;
  bottom: 112px;
  right: 18px;
  max-width: 320px;
  max-height: 60vh;
  overflow-y: auto;
  background: #fafafa;
  border: 1px solid #ccc;
  border-radius: 2px;
  padding: 14px 18px;
  font-family: "Crimson Text", Georgia, serif;
  font-size: 13px;
  line-height: 1.6;
  box-shadow: 0 4px 20px rgba(0,0,0,0.08);
  z-index: 9999;
}
[data-theme="latex"] .latex-toc.show { display: block; }
[data-theme="latex"][data-mode="dark"] .latex-toc {
  background: #1f1f1f;
  border-color: #444;
  color: #ccc;
}
[data-theme="latex"][data-mode="dark"] .latex-toc a {
  color: #aaa !important;
}
[data-theme="latex"][data-mode="dark"] .latex-toc a:hover {
  color: #fff !important;
}
.latex-toc a {
  display: block;
  color: #555 !important;
  text-decoration: none !important;
  padding: 2px 0;
}
.latex-toc a:hover {
  color: #000 !important;
  text-decoration: underline !important;
}
.latex-toc .toc-title {
  font-weight: 600;
  font-variant: small-caps;
  letter-spacing: 1px;
  margin-bottom: 6px;
  border-bottom: 1px solid #ddd;
  padding-bottom: 4px;
}
[data-theme="latex"][data-mode="dark"] .latex-toc .toc-title {
  border-bottom-color: #444;
}

/* ═══════════════════════════════════════════════════
   Nav popover (\begin{document} chip)
   ═══════════════════════════════════════════════════ */
.latex-nav-popup {
  display: none;
  position: fixed;
  bottom: 112px;
  left: 18px;
  max-width: 200px;
  background: #fafafa;
  border: 1px solid #ccc;
  border-radius: 2px;
  padding: 10px 14px;
  font-family: "Crimson Text", Georgia, serif;
  font-size: 13px;
  line-height: 1.8;
  box-shadow: 0 4px 20px rgba(0,0,0,0.08);
  z-index: 9999;
}
[data-theme="latex"] .latex-nav-popup.show { display: block; }
[data-theme="latex"][data-mode="dark"] .latex-nav-popup {
  background: #1f1f1f;
  border-color: #444;
  color: #ccc;
}
.latex-nav-popup a {
  display: block;
  color: #555 !important;
  text-decoration: none !important;
  padding: 2px 0;
}
.latex-nav-popup a:hover {
  color: #000 !important;
  text-decoration: underline !important;
}
[data-theme="latex"][data-mode="dark"] .latex-nav-popup a {
  color: #aaa !important;
}
[data-theme="latex"][data-mode="dark"] .latex-nav-popup a:hover {
  color: #fff !important;
}

/* ═══════════════════════════════════════════════════
   Mobile chip positioning
   ═══════════════════════════════════════════════════ */
@media (max-width: 600px) {
  .latex-chip {
    font-size: 10px;
    padding: 2px 7px;
  }
  .toc-chip {
    bottom: 74px;
  }
  .nav-chip {
    bottom: 74px;
  }
  .latex-toc {
    bottom: 100px;
    right: 10px;
    left: 10px;
    max-width: none;
  }
  .latex-nav-popup {
    bottom: 100px;
    left: 10px;
  }
  .top-chip,
  .pagecolor-chip,
  .latex-chip#theme-chip {
    bottom: 46px;
  }
  .pagecolor-chip {
    right: 120px;
  }
}

/* ═══════════════════════════════════════════════════
   Print stylesheet — LaTeX mode prints like a paper
   ═══════════════════════════════════════════════════ */
@media print {
  .latex-chip,
  .latex-toc,
  .latex-nav-popup,
  .latex-taskbar,
  .top-chip,
  .nav-chip,
  .toc-chip,
  .pagecolor-chip {
    display: none !important;
  }
  [data-theme="latex"] body {
    padding-bottom: 0 !important;
  }
  [data-theme="latex"] img[src*="buttons/"] {
    display: none !important;
  }
  [data-theme="latex"] marquee {
    display: none !important;
  }
}