/* llm-wiki shared style — dark default, light toggle, sticky topbar + TOC */

:root {
  --bg: #0f1117;
  --bg-elev: #161922;
  --bg-code: #1c2030;
  --fg: #e6e6e6;
  --fg-muted: #9aa0ad;
  --fg-dim: #6b7280;
  --accent: #6ea8fe;
  --accent-soft: #6ea8fe22;
  --border: #2a2f3d;
  --warn: #f0b75d;
  --ok: #8ad97a;
  --link: #82b4ff;
  --shadow: 0 4px 16px rgba(0, 0, 0, 0.4);
  --radius: 8px;
  --topbar-h: 56px;
  --font-sans: -apple-system, BlinkMacSystemFont, "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", "Segoe UI", Roboto, sans-serif;
  --font-mono: ui-monospace, "JetBrains Mono", "SF Mono", Menlo, Consolas,
    "Liberation Mono", monospace;
}

[data-theme="light"] {
  --bg: #fafbfc;
  --bg-elev: #ffffff;
  --bg-code: #f3f4f7;
  --fg: #1f2328;
  --fg-muted: #57606a;
  --fg-dim: #8c959f;
  --accent: #0969da;
  --accent-soft: #0969da18;
  --border: #d8dde3;
  --warn: #bf8700;
  --ok: #1a7f37;
  --link: #0969da;
  --shadow: 0 2px 8px rgba(140, 149, 159, 0.15);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  scroll-behavior: smooth;
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ── Topbar ─────────────────────────────────────────────────────── */
.topbar {
  position: sticky;
  top: 0;
  z-index: 50;
  height: var(--topbar-h);
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 0 20px;
  background: color-mix(in srgb, var(--bg) 80%, transparent);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}
.topbar .brand {
  font-weight: 600;
  color: var(--fg);
  text-decoration: none;
  letter-spacing: 0.3px;
}
.topbar .brand-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  margin-right: 8px;
  vertical-align: middle;
}
.topbar .spacer { flex: 1; }
.topbar .meta {
  color: var(--fg-muted);
  font-size: 13px;
}
.topbar .meta code {
  background: var(--bg-code);
  padding: 2px 6px;
  border-radius: 4px;
  font-family: var(--font-mono);
  font-size: 12px;
}
.topbar button {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--fg-muted);
  padding: 6px 10px;
  border-radius: 6px;
  font-size: 13px;
  cursor: pointer;
  font-family: var(--font-sans);
}
.topbar button:hover {
  color: var(--fg);
  border-color: var(--accent);
}

/* ── Layout ─────────────────────────────────────────────────────── */
.layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 260px;
  max-width: 1400px;
  margin: 0 auto;
  padding: 24px 28px 80px;
  gap: 36px;
}
@media (max-width: 1000px) {
  .layout { grid-template-columns: 1fr; }
  .toc { display: none; }
}

@media (max-width: 760px) {
  .topbar {
    padding: 0 12px;
    gap: 10px;
  }

  .topbar .meta {
    display: none;
  }

  .layout {
    padding: 18px 14px 56px;
  }
}

main.content {
  min-width: 0;
}

.right-rail {
  position: sticky;
  top: calc(var(--topbar-h) + 16px);
  align-self: start;
  max-height: calc(100vh - var(--topbar-h) - 32px);
  overflow-y: auto;
  display: grid;
  gap: 14px;
}

@media (max-width: 1000px) {
  .right-rail {
    position: static;
    max-height: none;
    overflow: visible;
  }
}

.side-panel {
  min-width: 0;
  padding: 12px;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: 10px;
}

.side-panel-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
}

.side-panel h3,
.side-panel h4 {
  margin: 0;
  padding: 0;
  border: 0;
  letter-spacing: 0;
  text-transform: none;
}

.side-panel h3 {
  font-size: 14px;
}

.side-panel h4 {
  margin-top: 14px;
  color: var(--fg-muted);
  font-size: 12px;
}

.side-panel-head a {
  color: var(--fg-muted);
  font-size: 12px;
}

.mini-graph {
  width: 100%;
  height: auto;
  margin: 8px 0 2px;
  display: block;
}

.mini-graph line {
  stroke: color-mix(in srgb, var(--fg-muted) 34%, transparent);
  stroke-width: 1;
}

.mini-graph text {
  fill: var(--fg-muted);
  font-size: 9px;
}

.mini-node {
  stroke: var(--bg-elev);
  stroke-width: 2;
}

.mini-node-current { fill: var(--fg); }
.mini-node-entities { fill: #6ea8fe; }
.mini-node-concepts { fill: #8ad97a; }
.mini-node-sources { fill: #f0b75d; }
.mini-node-analysis { fill: #c99cff; }

.side-link-list {
  margin: 8px 0 0;
  padding: 0;
  list-style: none;
}

.side-link-list li {
  margin: 0;
  padding: 7px 0;
  border-bottom: 1px solid var(--border);
}

.side-link-list li:last-child {
  border-bottom: 0;
}

.side-link-list a,
.side-link-list span {
  display: block;
  min-width: 0;
  overflow-wrap: anywhere;
}

.side-link-list a {
  color: var(--fg);
  line-height: 1.35;
}

.side-link-list span,
.side-empty {
  color: var(--fg-muted);
  font-size: 12px;
}

.side-empty {
  margin: 8px 0 0;
}

.toc {
  position: sticky;
  top: calc(var(--topbar-h) + 16px);
  align-self: start;
  max-height: calc(100vh - var(--topbar-h) - 32px);
  overflow-y: auto;
  font-size: 13px;
  padding-left: 12px;
  border-left: 1px solid var(--border);
}

.right-rail .toc {
  position: static;
  top: auto;
  max-height: none;
  overflow: visible;
}
.toc h4 {
  color: var(--fg-dim);
  font-size: 11px;
  letter-spacing: 1px;
  text-transform: uppercase;
  margin: 0 0 10px 0;
}
.toc ul {
  list-style: none;
  padding: 0;
  margin: 0;
}
.toc li { margin: 4px 0; }
.toc li.level-3 { padding-left: 12px; font-size: 12px; }
.toc a {
  color: var(--fg-muted);
  text-decoration: none;
  display: block;
  padding: 2px 0 2px 6px;
}
.toc a:hover { color: var(--accent); }
.toc a.active {
  color: var(--accent);
  font-weight: 500;
  background: var(--accent-soft);
  border-radius: 6px;
}

/* ── Home ───────────────────────────────────────────────────────── */
.home-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 420px);
  gap: 24px;
  align-items: end;
  margin-bottom: 24px;
}

.home-hero h1 {
  font-size: 34px;
  margin-bottom: 10px;
}

.stats-strip {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 8px;
}

.stat {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 10px 12px;
}

.stat strong {
  display: block;
  font-size: 20px;
  line-height: 1.1;
}

.stat span {
  color: var(--fg-muted);
  font-size: 12px;
}

.home-search {
  margin: 18px 0 30px;
}

.home-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 14px;
}

.button-link {
  min-height: 36px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 7px 12px;
  border-radius: 8px;
  border: 1px solid color-mix(in srgb, var(--accent) 55%, var(--border));
  background: var(--accent-soft);
  color: var(--fg);
  font-weight: 600;
  text-decoration: none;
}

.button-link:hover {
  border-color: var(--accent);
  text-decoration: none;
}

.button-link-secondary {
  border-color: var(--border);
  background: var(--bg-elev);
  color: var(--fg-muted);
  font-weight: 500;
}

.home-search input {
  width: 100%;
  min-height: 44px;
  padding: 11px 14px;
  font-family: var(--font-sans);
  font-size: 15px;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--fg);
}

#search-results {
  margin: 10px 0 0;
  padding: 0;
  list-style: none;
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
}

#search-results:empty {
  display: none;
}

#search-results li {
  padding: 10px 12px;
  background: var(--bg-elev);
  border-bottom: 1px solid var(--border);
}

#search-results li:last-child {
  border-bottom: 0;
}

#search-results small,
#search-results p {
  display: block;
  margin: 2px 0 0;
  color: var(--fg-muted);
}

.topic-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 12px;
}

.topic-card {
  min-width: 0;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 16px;
}

.topic-card-head {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  min-width: 0;
}

.topic-card h2 {
  min-width: 0;
  margin: 0;
  padding: 0;
  border: 0;
  font-size: 17px;
  overflow-wrap: anywhere;
}

.topic-card-head span {
  color: var(--fg-muted);
  font-size: 12px;
  white-space: nowrap;
}

.topic-card p {
  color: var(--fg-muted);
  margin: 10px 0 12px;
}

.topic-links,
.inline-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.topic-links a,
.inline-links a {
  min-width: 0;
  min-height: 30px;
  display: inline-flex;
  align-items: center;
  padding: 4px 9px;
  border-radius: 999px;
  background: var(--accent-soft);
  overflow-wrap: anywhere;
}

.home-panels {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(260px, 0.8fr);
  gap: 16px;
  margin: 28px 0;
}

.home-panels > .panel {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 16px;
}

.home-panels > .panel h2 {
  margin-top: 0;
}

.panel-title-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 10px;
}

.panel-title-row h2 {
  margin: 0;
}

.panel-title-row span {
  color: var(--fg-muted);
  font-size: 12px;
  white-space: nowrap;
}

.reading-paths ol,
.recent-updates ul {
  margin: 0;
  padding-left: 20px;
}

.reading-paths ol {
  display: grid;
  gap: 12px;
  padding-left: 0;
  list-style: none;
}

.reading-paths li {
  display: grid;
  grid-template-columns: minmax(160px, 0.34fr) minmax(0, 1fr);
  gap: 14px;
  padding: 12px 0;
  border-top: 1px solid var(--border);
}

.reading-paths li:first-child {
  border-top: 0;
  padding-top: 0;
}

.path-copy strong {
  display: block;
  line-height: 1.35;
}

.path-copy p {
  margin: 5px 0 0;
  color: var(--fg-muted);
  font-size: 13px;
  line-height: 1.55;
}

.path-steps {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
  align-items: stretch;
}

.path-step {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 3px;
  padding: 9px 10px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: color-mix(in srgb, var(--bg) 52%, var(--bg-elev));
  text-decoration: none;
}

.path-step:hover {
  border-color: color-mix(in srgb, var(--accent) 52%, var(--border));
  background: var(--accent-soft);
}

.path-step span {
  color: var(--fg-muted);
  font-size: 11px;
}

.path-step strong {
  min-width: 0;
  color: var(--link);
  font-size: 13px;
  line-height: 1.35;
  overflow-wrap: anywhere;
}

.recent-updates li {
  display: grid;
  grid-template-columns: 86px minmax(0, 1fr) auto;
  gap: 8px;
  align-items: baseline;
  padding: 6px 0;
  border-bottom: 1px solid var(--border);
}

.recent-updates li:last-child {
  border-bottom: 0;
}

.recent-updates time,
.recent-updates span {
  color: var(--fg-muted);
  font-size: 12px;
}

.full-index {
  margin-top: 36px;
}

.full-index-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 14px;
}

.full-index-head h2 {
  margin: 0;
}

.full-index-head p {
  margin: 4px 0 0;
  color: var(--fg-muted);
}

.full-index-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.full-index-actions button {
  min-height: 32px;
  padding: 5px 10px;
  color: var(--fg);
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: 8px;
  font: inherit;
  font-size: 13px;
  cursor: pointer;
}

.full-index-actions button:hover {
  border-color: var(--accent);
}

.index-accordion {
  display: grid;
  gap: 10px;
}

.index-major,
.index-sub {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: 8px;
}

.index-major summary,
.index-sub summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  cursor: pointer;
  user-select: none;
}

.index-major summary {
  padding: 12px 14px;
  font-weight: 650;
}

.index-sub summary {
  padding: 9px 12px;
}

.index-major summary::marker,
.index-sub summary::marker {
  color: var(--fg-muted);
}

.index-major summary small,
.index-sub summary small {
  color: var(--fg-muted);
  font-size: 12px;
  font-weight: 400;
  white-space: nowrap;
}

.index-major-body {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 10px;
  padding: 0 12px 12px;
}

.index-sub {
  background: color-mix(in srgb, var(--bg) 45%, var(--bg-elev));
}

.index-list {
  padding: 0 12px 10px;
}

.index-list h3 {
  display: none;
}

.index-list ul {
  margin: 0;
  padding-left: 18px;
}

.index-list li {
  margin: 5px 0;
  color: var(--fg-muted);
  font-size: 13px;
  line-height: 1.55;
}

.index-list a {
  color: var(--link);
}

.index-list hr {
  display: none;
}

@media (max-width: 760px) {
  .home-hero,
  .home-panels {
    grid-template-columns: 1fr;
  }

  .stats-strip {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .recent-updates li {
    grid-template-columns: 1fr;
    gap: 2px;
  }

  .reading-paths li,
  .path-steps {
    grid-template-columns: 1fr;
  }

  .panel-title-row,
  .full-index-head {
    align-items: stretch;
    flex-direction: column;
  }
}

/* ── Knowledge graph ───────────────────────────────────────────── */
.graph-page {
  max-width: none;
  margin: 0 auto;
  padding: 0;
}

.graph-page input,
.graph-page button {
  min-height: 40px;
  font-family: var(--font-sans);
  color: var(--fg);
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
}

.graph-page input {
  width: 100%;
  padding: 9px 12px;
  font-size: 14px;
}

.graph-page button {
  padding: 7px 10px;
  cursor: pointer;
}

.graph-page button:hover {
  border-color: var(--accent);
}

.graph-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  min-width: 0;
}

.graph-filter {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  opacity: 0.55;
}

.graph-filter.is-active {
  opacity: 1;
  background: var(--accent-soft);
}

.graph-filter small {
  color: var(--fg-muted);
  font-size: 11px;
}

.graph-filter-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
}

.graph-filter-entities { background: #6ea8fe; }
.graph-filter-concepts { background: #8ad97a; }
.graph-filter-sources { background: #f0b75d; }
.graph-filter-analysis { background: #c99cff; }

.graph-workbench {
  position: relative;
  min-height: calc(100vh - var(--topbar-h));
  background: var(--bg);
}

.graph-canvas-wrap,
.graph-inspector {
  min-width: 0;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: 10px;
}

.graph-canvas-wrap {
  height: calc(100vh - var(--topbar-h));
  border: 0;
  border-radius: 0;
  overflow: hidden;
}

.graph-canvas-head {
  min-height: 50px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 6px 10px;
  border-bottom: 1px solid var(--border);
  background: color-mix(in srgb, var(--bg-elev) 92%, var(--bg));
  color: var(--fg-muted);
  font-size: 12px;
}

.graph-tools-primary {
  min-width: 320px;
  display: grid;
  grid-template-columns: auto auto minmax(210px, 340px);
  align-items: center;
  gap: 10px;
}

.graph-tools-primary strong {
  color: var(--fg);
  font-size: 15px;
}

.graph-canvas-actions {
  display: flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
}

.graph-canvas-actions button,
.graph-canvas-actions a {
  min-width: 32px;
  min-height: 30px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 4px 8px;
  border-radius: 7px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--fg-muted);
  font-family: var(--font-sans);
  cursor: pointer;
  text-decoration: none;
}

.graph-canvas-actions button:hover,
.graph-canvas-actions a:hover {
  color: var(--fg);
  border-color: var(--accent);
  text-decoration: none;
}

#graph-totals {
  color: var(--fg);
  font-weight: 600;
}

#knowledge-graph {
  display: block;
  width: 100%;
  height: calc(100vh - var(--topbar-h) - 51px);
  min-height: 620px;
  background: var(--bg);
  cursor: grab;
  touch-action: none;
}

#knowledge-graph:active {
  cursor: grabbing;
}

.graph-edge {
  stroke: color-mix(in srgb, var(--fg-muted) 48%, transparent);
  stroke-width: 1.15;
}

.graph-edge.is-related {
  stroke: color-mix(in srgb, var(--accent) 55%, var(--fg-muted));
  stroke-width: 1.5;
}

.graph-edge.is-connected {
  stroke: var(--accent);
  stroke-width: 2.2;
}

.graph-edge.is-dimmed,
.graph-node.is-dimmed {
  opacity: 0.18;
}

.graph-node {
  cursor: pointer;
  transition: opacity 160ms ease;
}

.graph-node circle {
  stroke: var(--bg);
  stroke-width: 2.4;
  filter: drop-shadow(0 2px 5px rgba(0, 0, 0, 0.28));
}

.graph-node.is-selected circle {
  stroke: var(--fg);
  stroke-width: 3;
}

.graph-node text {
  fill: var(--fg);
  paint-order: stroke;
  stroke: var(--bg);
  stroke-width: 4px;
  stroke-linejoin: round;
  font-size: 13px;
  font-weight: 600;
  pointer-events: none;
}

.graph-inspector {
  position: absolute;
  top: 62px;
  right: 14px;
  z-index: 5;
  width: min(360px, calc(100vw - 28px));
  padding: 16px;
  overflow: auto;
  max-height: calc(100vh - var(--topbar-h) - 86px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.26);
  display: none;
}

.graph-workbench.has-details .graph-inspector {
  display: block;
}

.graph-inspector h2 {
  margin: 8px 0 8px;
  padding: 0;
  border: 0;
  font-size: 20px;
  overflow-wrap: anywhere;
}

.graph-inspector h3 {
  margin: 18px 0 8px;
  color: var(--fg-muted);
  font-size: 13px;
  text-transform: none;
  letter-spacing: 0;
}

.graph-inspector p {
  color: var(--fg-muted);
}

.graph-inspector-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.graph-node-kind {
  color: var(--fg-muted);
  font-size: 12px;
}

.graph-metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
  margin: 14px 0;
}

.graph-metrics span {
  min-width: 0;
  padding: 9px;
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--fg-muted);
  font-size: 12px;
}

.graph-metrics strong {
  display: block;
  font-size: 18px;
  line-height: 1.1;
}

.graph-link-list {
  display: grid;
  gap: 7px;
}

.graph-link-list a {
  min-width: 0;
  display: block;
  padding: 9px 10px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg);
  color: var(--fg);
  line-height: 1.35;
  overflow-wrap: anywhere;
}

.graph-link-list a:hover {
  border-color: var(--accent);
  text-decoration: none;
}

.graph-link-list span,
.graph-empty {
  display: block;
  color: var(--fg-muted);
  font-size: 12px;
}

@media (max-width: 1050px) {
  .graph-canvas-head {
    align-items: stretch;
    flex-wrap: wrap;
  }

  .graph-tools-primary {
    min-width: 100%;
    grid-template-columns: auto auto minmax(180px, 1fr);
  }

  .graph-filters {
    flex: 1 1 auto;
  }

  #knowledge-graph {
    height: calc(100vh - var(--topbar-h) - 98px);
    min-height: 560px;
  }
}

@media (max-width: 760px) {
  .graph-page {
    padding: 0;
  }

  .graph-canvas-head {
    gap: 8px;
  }

  .graph-tools-primary {
    grid-template-columns: 1fr;
    gap: 6px;
  }

  .graph-canvas-actions {
    flex-wrap: wrap;
  }

  #knowledge-graph {
    height: calc(100vh - var(--topbar-h) - 174px);
    min-height: 420px;
  }
}

/* ── Typography ─────────────────────────────────────────────────── */
h1, h2, h3, h4 {
  color: var(--fg);
  font-weight: 600;
  line-height: 1.3;
}
h1 {
  font-size: 28px;
  margin: 0 0 8px 0;
  letter-spacing: -0.3px;
}
h1 + .subtitle {
  color: var(--fg-muted);
  font-size: 15px;
  margin-bottom: 28px;
}
h2 {
  font-size: 22px;
  margin: 40px 0 14px 0;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border);
}
h3 {
  font-size: 17px;
  margin: 28px 0 12px 0;
}
h4 {
  font-size: 14px;
  margin: 20px 0 8px 0;
  color: var(--fg-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

p { margin: 12px 0; }
a { color: var(--link); text-decoration: none; }
a:hover { text-decoration: underline; }

strong { color: var(--fg); font-weight: 600; }
em { color: var(--fg-muted); }

ul, ol { padding-left: 22px; }
li { margin: 4px 0; }
li::marker { color: var(--fg-dim); }

hr {
  border: none;
  border-top: 1px solid var(--border);
  margin: 32px 0;
}

/* ── Code ───────────────────────────────────────────────────────── */
code {
  font-family: var(--font-mono);
  font-size: 0.9em;
  background: var(--bg-code);
  padding: 1px 6px;
  border-radius: 4px;
  color: var(--fg);
}
pre {
  background: var(--bg-code);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 16px;
  overflow-x: auto;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.55;
  margin: 14px 0;
}
pre code {
  background: transparent;
  padding: 0;
  font-size: inherit;
}

/* ── Tables ─────────────────────────────────────────────────────── */
table {
  width: 100%;
  border-collapse: collapse;
  margin: 16px 0;
  font-size: 14px;
}
th, td {
  text-align: left;
  padding: 8px 12px;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}
th {
  color: var(--fg-muted);
  font-weight: 600;
  font-size: 13px;
  background: var(--bg-elev);
}
tr:hover td { background: var(--accent-soft); }

/* ── Callouts ───────────────────────────────────────────────────── */
.callout {
  border: 1px solid var(--border);
  background: var(--bg-elev);
  padding: 12px 16px;
  margin: 16px 0;
  border-radius: var(--radius);
}
.callout.warn { border-color: color-mix(in srgb, var(--warn) 45%, var(--border)); }
.callout.ok { border-color: color-mix(in srgb, var(--ok) 45%, var(--border)); }
.callout-title {
  font-weight: 600;
  font-size: 13px;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  margin-bottom: 4px;
  color: var(--fg-muted);
}

.page-header {
  margin-bottom: 28px;
}

.page-meta {
  color: var(--fg-muted);
  font-size: 14px;
  margin: 6px 0 10px;
}

.related-panel {
  margin-top: 36px;
  padding: 16px;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: 10px;
}

.related-panel h2 {
  margin-top: 0;
}

.related-panel ul {
  margin-bottom: 0;
}

.table-wrap {
  overflow-x: auto;
  margin: 16px 0;
}

.table-wrap table {
  margin: 0;
  min-width: 640px;
}

/* ── ASCII art collapsible ──────────────────────────────────────── */
details.ascii {
  margin: 14px 0;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-elev);
}
details.ascii summary {
  cursor: pointer;
  padding: 10px 14px;
  font-size: 13px;
  color: var(--fg-muted);
  user-select: none;
  list-style: none;
}
details.ascii summary::-webkit-details-marker { display: none; }
details.ascii summary::before {
  content: "▸ ";
  display: inline-block;
  width: 14px;
  color: var(--fg-dim);
}
details.ascii[open] summary::before { content: "▾ "; }
details.ascii pre {
  margin: 0;
  border: none;
  border-top: 1px solid var(--border);
  border-radius: 0 0 var(--radius) var(--radius);
  background: var(--bg);
}

/* ── Mermaid container ──────────────────────────────────────────── */
.mermaid-wrap {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px;
  margin: 16px 0;
  overflow-x: auto;
  text-align: center;
}
.mermaid-wrap .mermaid {
  display: inline-block;
  min-width: 100%;
}
.diagram-caption {
  text-align: center;
  color: var(--fg-muted);
  font-size: 13px;
  margin-top: 4px;
  font-style: italic;
}

/* ── Footer ─────────────────────────────────────────────────────── */
.footer {
  margin-top: 60px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
  color: var(--fg-dim);
  font-size: 13px;
  text-align: center;
}
.footer a { color: var(--fg-muted); }

/* ── Tag chips ──────────────────────────────────────────────────── */
.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 8px 0 24px;
}
.tag {
  background: var(--accent-soft);
  color: var(--accent);
  padding: 2px 10px;
  border-radius: 12px;
  font-size: 12px;
  font-family: var(--font-mono);
}