/* Shared, additive theme layer. Original project layout and figure colors stay intact. */
[data-work][data-theme="dark"] {
  color-scheme: dark;
  --theme-bg: #141618;
  --theme-surface: #1b1e21;
  --theme-text: #f1f0ec;
  --theme-muted: #a1a6aa;
  --theme-line: #34373a;
}
[data-work][data-theme="light"] {
  color-scheme: light;
  --theme-bg: #fff;
  --theme-surface: #f5f7f4;
  --theme-text: #253239;
  --theme-muted: #606e72;
  --theme-line: #dde3e0;
}
.article-theme-toggle {
  position: fixed;
  right: 22px;
  bottom: 22px;
  z-index: 60;
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 11px 16px;
  border: 1px solid var(--theme-line);
  border-radius: 6px;
  background: var(--theme-bg);
  color: var(--theme-text);
  box-shadow: 0 4px 22px #0002;
  font:
    13px/1.3 Arial,
    "Microsoft YaHei",
    sans-serif;
  cursor: pointer;
  touch-action: manipulation;
}
.article-theme-toggle > span:first-child {
  font-size: 18px;
  line-height: 1;
}
.article-theme-toggle:focus-visible {
  outline: 2px solid #8c9fa0;
  outline-offset: 4px;
}
.article-theme-toggle:hover {
  background: var(--theme-surface);
}
.article-tools {
  position: fixed;
  right: 22px;
  bottom: 22px;
  z-index: 60;
  display: flex;
  align-items: center;
  border: 1px solid var(--theme-line);
  border-radius: 6px;
  background: var(--theme-bg);
  box-shadow: 0 4px 22px #0002;
  overflow: hidden;
}
.article-tools .article-theme-toggle {
  position: static;
  box-shadow: none;
  border: 0;
  border-radius: 0;
}
.article-languages {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 12px 16px;
  border-right: 1px solid var(--theme-line);
  font:
    12px/1.3 Arial,
    "Microsoft YaHei",
    sans-serif;
}
.article-languages a {
  color: var(--theme-muted);
  text-decoration: none;
}
.article-languages a[aria-current="page"] {
  color: var(--theme-text);
  font-weight: 600;
}
.article-languages a:focus-visible {
  outline: 2px solid #8c9fa0;
  outline-offset: 4px;
}

/* Brain: keep the article structure, including its fixed contents column. */
[data-work="brain"][data-theme="light"] {
  --bg: #fff;
  --text: #253239;
  --muted: #606e72;
  --line: #dde3e0;
}
[data-work="brain"][data-theme="light"] .article-header {
  background: #fffffff5;
}
[data-work="brain"][data-theme="light"] .article-brand > span:last-child {
  border-color: #d5dcda;
}
[data-work="brain"][data-theme="light"] .brand-logo img {
  filter: invert(1);
}
[data-work="brain"][data-theme="light"] article p {
  color: #415d65;
}
[data-work="brain"][data-theme="light"] article strong {
  color: #253239;
}
[data-work="brain"][data-theme="light"] article a {
  color: #526d76;
  border-color: #a6b8b7;
}
[data-work="brain"][data-theme="light"] aside nav .toc-level-2 {
  color: #253239;
}
[data-work="brain"][data-theme="light"] figure {
  background: #f5f7f4;
}

/* Inference: the original light palette is retained; dark surfaces are added. */
[data-work="inference"][data-theme="dark"] {
  --ink: #f1f0ec;
  --muted: #a1a6aa;
  --line: #34373a;
  --soft: #1b1e21;
  --accent: #b6c6cb;
  --accent-strong: #c6d4d8;
  --warm: #c3b59c;
  --paper: #1b1e21;
  --panel: #202326;
}
[data-work="inference"][data-theme="dark"] body {
  background: #141618;
}
[data-work="inference"][data-theme="dark"] .site-header {
  background: #141618f7;
}
[data-work="inference"][data-theme="dark"] .brand img {
  filter: invert(1);
}
[data-work="inference"][data-theme="dark"] .brand span {
  border-color: var(--line);
}
[data-work="inference"][data-theme="dark"] .hero-section,
[data-work="inference"][data-theme="dark"] .site-footer {
  background: #1b1e21;
}
[data-work="inference"][data-theme="dark"] .eyebrow,
[data-work="inference"][data-theme="dark"] .hero-copy,
[data-work="inference"][data-theme="dark"] .hero-note,
[data-work="inference"][data-theme="dark"] .film-meta,
[data-work="inference"][data-theme="dark"] .film-caption,
[data-work="inference"][data-theme="dark"] .result-details span,
[data-work="inference"][data-theme="dark"] .resource-links span,
[data-work="inference"][data-theme="dark"] .citation > div,
[data-work="inference"][data-theme="dark"] pre,
[data-work="inference"][data-theme="dark"] .copy-status,
[data-work="inference"][data-theme="dark"] .site-footer {
  color: var(--muted);
}
[data-work="inference"][data-theme="dark"] .hero h1 span,
[data-work="inference"][data-theme="dark"] .film-caption a,
[data-work="inference"][data-theme="dark"] .resources .section-eyebrow,
[data-work="inference"][data-theme="dark"] .resources h2 span,
[data-work="inference"][data-theme="dark"] .resource-links i {
  color: var(--accent);
}
[data-work="inference"][data-theme="dark"] .paper-reference,
[data-work="inference"][data-theme="dark"] .result-highlight,
[data-work="inference"][data-theme="dark"] .table-shell,
[data-work="inference"][data-theme="dark"] .timing-cards > div,
[data-work="inference"][data-theme="dark"] .citation,
[data-work="inference"][data-theme="dark"] .figure-tab,
[data-work="inference"][data-theme="dark"] .image-dialog,
[data-work="inference"][data-theme="dark"] .image-dialog-close {
  background: #202326;
  border-color: var(--line);
}
[data-work="inference"][data-theme="dark"] thead th,
[data-work="inference"][data-theme="dark"] tbody tr.best,
[data-work="inference"][data-theme="dark"] .context-section,
[data-work="inference"][data-theme="dark"] .timing-cards .accent-card {
  background: #252b2e;
}
[data-work="inference"][data-theme="dark"] th,
[data-work="inference"][data-theme="dark"] td,
[data-work="inference"][data-theme="dark"] .result-details,
[data-work="inference"][data-theme="dark"] .resource-links,
[data-work="inference"][data-theme="dark"] .resource-links a,
[data-work="inference"][data-theme="dark"] .citation > div,
[data-work="inference"][data-theme="dark"] .film-meta,
[data-work="inference"][data-theme="dark"] .site-footer {
  border-color: var(--line);
}
[data-work="inference"][data-theme="dark"] .pill:hover,
[data-work="inference"][data-theme="dark"] .figure-tab:hover,
[data-work="inference"][data-theme="dark"] .copy-button {
  background: #30383c;
  color: var(--ink);
  border-color: #525f64;
}
[data-work="inference"][data-theme="dark"] .pill-primary {
  background: #b6c6cb;
  color: #141618;
}
[data-work="inference"][data-theme="dark"] .figure-tab[aria-selected="true"] {
  background: #b6c6cb;
  color: #141618;
}
[data-work="inference"][data-theme="dark"] .skip-link {
  background: #f1f0ec;
  color: #141618;
}
[data-work="inference"][data-theme="dark"] .figure-open::after {
  background: #202326;
  color: #f1f0ec;
  border-color: #667176;
}

/* Memory: all page surfaces use the existing variable-based styling. */
[data-work="memory"][data-theme="dark"] {
  --bg: #141618;
  --card: #1b1e21;
  --ink: #f1f0ec;
  --muted: #a1a6aa;
  --faint: #9a9e9f;
  --line: #34373a;
  --accent: #e0a18a;
  --accent-soft: #3a2c27;
  --gray: #292d31;
  --stroke: #a1a6aa;
}
[data-work="memory"][data-theme="dark"] .chip {
  color: #e0c9b4;
}
[data-work="memory"][data-theme="dark"] .cta a.cta-primary {
  color: #141618;
}
[data-work="memory"][data-theme="dark"] .fold-body {
  background: var(--card);
}
[data-work="memory"][data-theme="dark"] .ours-row {
  background: #253c36;
}
[data-work="memory"][data-theme="dark"] .video-slot.ours {
  background: #362c27;
}
[data-work="memory"][data-theme="light"] {
  --bg: #f2f5f1;
  --card: #fff;
  --ink: #253239;
  --muted: #606e72;
  --faint: #798b8c;
  --line: #dde3e0;
}

/* WAM: keep its video cover dark; apply light surfaces to the complete report. */
[data-work="wam"][data-theme="light"] {
  --ink: #253239;
  --blue: #526d76;
  --teal: #526d76;
  --muted: #606e72;
  --line: #dde3e0;
  --paper: #fff;
  --surface: #f5f7f4;
  --surface-hover: #e7eeea;
  --tint: #edf2ed;
}
[data-work="wam"][data-theme="light"] .site-header {
  background: #fffffff5;
}
[data-work="wam"][data-theme="light"] .hero-resource-primary {
  background: #526d76;
  border-color: #526d76;
  color: #fff;
}
[data-work="wam"][data-theme="light"] .hero-resource-primary:hover {
  background: #3b5962;
}
[data-work="wam"][data-theme="light"] .hero-resource img[src$="github-invertocat.svg"] {
  filter: none;
}
[data-work="wam"][data-theme="light"] .hero-resource-pending small {
  background: #e0e7e2;
  color: #606e72;
}
[data-work="wam"][data-theme="light"]
  .hero-resource-pending
  .hero-resource-icon {
  filter: brightness(0.3);
}
[data-work="wam"][data-theme="light"] .figure-source-note {
  color: #606e72;
}
[data-work="wam"][data-theme="light"] .sim-table-scroll thead th {
  background: #e7eeea;
  color: #253239;
}
[data-work="wam"][data-theme="light"] .sim-table-scroll tbody tr.is-magic th,
[data-work="wam"][data-theme="light"] .sim-table-scroll tbody tr.is-magic td {
  background: #dbe7e0;
  color: #253239;
}
[data-work="wam"][data-theme="light"] .rollout-playlist {
  background: #f2f5f1;
}
[data-work="wam"][data-theme="light"] .rollout-playlist-items button.is-active {
  background: #dbe7e0;
  border-color: #a6b8b7;
}
@media (max-width: 640px) {
  .article-tools {
    right: 14px;
    bottom: 14px;
  }
  .article-theme-toggle {
    padding: 10px 13px;
  }
  .article-languages {
    padding: 11px 13px;
    gap: 12px;
  }
}