/* Oriel site. Palette from assets/brand/README.md: Night, Ink, Cream, Amber. */
:root {
  --night: #12151c;
  --ink: #1b1f2a;
  --cream: #f4efe6;
  --amber: #f7a41d;
  --amber-light: #ffc857;

  --bg: var(--night);
  --surface: var(--ink);
  --surface-2: #222736;
  --text: var(--cream);
  --muted: rgba(244, 239, 230, 0.66);
  --faint: rgba(244, 239, 230, 0.42);
  --border: rgba(244, 239, 230, 0.09);
  --border-strong: rgba(244, 239, 230, 0.16);
  --accent: var(--amber);
  --accent-2: var(--amber-light);
  --accent-ink: #1b1f2a;
  --glow: rgba(247, 164, 29, 0.22);
  --code-bg: #171a24;
  --shadow: 0 1px 0 rgba(255, 255, 255, 0.03) inset, 0 20px 40px -24px rgba(0, 0, 0, 0.6);

  --font: "Inter", ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: "JetBrains Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;
  --radius: 12px;
  --max: 1200px;
  color-scheme: dark;
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: #fbf8f2;
    --surface: #ffffff;
    --surface-2: #f4efe6;
    --text: var(--ink);
    --muted: rgba(27, 31, 42, 0.68);
    --faint: rgba(27, 31, 42, 0.45);
    --border: rgba(27, 31, 42, 0.09);
    --border-strong: rgba(27, 31, 42, 0.16);
    --accent: #c77c00;
    --accent-2: var(--amber);
    --glow: rgba(247, 164, 29, 0.25);
    --code-bg: #1b1f2a;
    --shadow: 0 20px 40px -28px rgba(27, 31, 42, 0.35);
    color-scheme: light;
  }
}

* { box-sizing: border-box; }
html { scroll-padding-top: 80px; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 400 16.5px/1.65 var(--font);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img { max-width: 100%; height: auto; }
a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-2); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 4px; }
code, pre { font-family: var(--mono); }
:not(pre) > code {
  font-size: 0.88em;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.1em 0.38em;
}

/* ---------- Top bar ---------- */
.topbar {
  position: sticky; top: 0; z-index: 20;
  background: color-mix(in srgb, var(--bg) 78%, transparent);
  backdrop-filter: saturate(160%) blur(14px);
  -webkit-backdrop-filter: saturate(160%) blur(14px);
  border-bottom: 1px solid var(--border);
}
.topbar-inner {
  max-width: var(--max); margin: 0 auto; height: 64px;
  display: flex; align-items: center; gap: 24px; padding: 0 24px;
}
.brand { display: flex; align-items: center; gap: 10px; color: var(--text); }
.brand:hover { color: var(--text); }
.brand-mark { border-radius: 7px; }
.brand-name { font-weight: 800; font-size: 22px; letter-spacing: -0.04em; }
.topnav { margin-left: auto; display: flex; align-items: center; gap: 4px; }
.topnav a {
  color: var(--muted); font-weight: 500; font-size: 15px;
  padding: 8px 12px; border-radius: 8px;
}
.topnav a:hover, .topnav a.active { color: var(--text); background: var(--surface-2); }
.topnav-gh { border: 1px solid var(--border-strong); margin-left: 6px; }
.version-badge {
  font: 500 12px var(--mono); color: var(--accent);
  border: 1px solid color-mix(in srgb, var(--accent) 45%, transparent);
  border-radius: 999px; padding: 3px 9px; margin-left: 6px;
}
.menu-toggle { display: none; margin-left: auto; background: none; border: 0; padding: 8px; cursor: pointer; }
.menu-toggle span { display: block; width: 20px; height: 2px; background: var(--text); margin: 4px 0; border-radius: 2px; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  font-weight: 600; font-size: 15px; padding: 12px 20px; border-radius: 10px;
  transition: transform .15s ease, background .15s ease, border-color .15s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary {
  color: var(--accent-ink);
  background: linear-gradient(180deg, var(--amber-light), var(--amber));
  box-shadow: 0 8px 24px -10px var(--glow);
}
.btn-primary:hover { color: var(--accent-ink); }
.btn-ghost { color: var(--text); border: 1px solid var(--border-strong); background: var(--surface); }
.btn-ghost:hover { color: var(--text); border-color: var(--accent); }

/* ---------- Home ---------- */
.hero { position: relative; overflow: hidden; padding: 96px 24px 72px; text-align: center; }
.hero-glow {
  position: absolute; left: 50%; top: -220px; width: 900px; height: 700px; transform: translateX(-50%);
  background: radial-gradient(closest-side, var(--glow), transparent 70%);
  pointer-events: none;
}
.hero-inner { position: relative; max-width: 860px; margin: 0 auto; }
.hero-mark { width: 96px; height: 96px; border-radius: 22px; box-shadow: 0 18px 50px -18px var(--glow); }
.eyebrow {
  margin: 28px 0 0; font: 500 13px var(--mono); letter-spacing: 0.02em; color: var(--faint);
}
.hero-title {
  margin: 14px 0 0; font-size: clamp(40px, 7vw, 72px); line-height: 1.04;
  font-weight: 800; letter-spacing: -0.045em;
}
.accent {
  background: linear-gradient(180deg, var(--amber-light), var(--amber));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero-lead { margin: 22px auto 0; max-width: 640px; font-size: 19px; color: var(--muted); }
.hero-actions { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; margin-top: 32px; }
.install-tabs { display: flex; justify-content: center; gap: 4px; margin: 36px auto 0; }
.install-tab {
  font: 500 13px var(--font); color: var(--muted); background: transparent;
  border: 1px solid transparent; border-radius: 999px; padding: 6px 14px; cursor: pointer;
}
.install-tab:hover { color: var(--text); }
.install-tab[aria-selected="true"] { color: var(--text); background: var(--surface); border-color: var(--border-strong); }
.install[hidden] { display: none; }
.install {
  display: flex; align-items: center; gap: 12px; margin: 12px auto 0; max-width: 720px;
  background: var(--code-bg); border: 1px solid var(--border-strong); border-radius: var(--radius);
  padding: 10px 10px 10px 18px; text-align: left; box-shadow: var(--shadow);
}
.install code { background: none; border: 0; padding: 0; flex: 1; min-width: 0; overflow-x: auto; white-space: nowrap; color: #f4efe6; font-size: 14px; scrollbar-width: none; }
.install-prompt { color: var(--amber); font-family: var(--mono); user-select: none; }
.copy-btn {
  font: 500 12.5px var(--font); color: #f4efe6; background: rgba(244, 239, 230, 0.08);
  border: 1px solid rgba(244, 239, 230, 0.14); border-radius: 8px; padding: 7px 12px; cursor: pointer;
}
.copy-btn:hover { border-color: var(--amber); }
.copy-btn.copied { color: var(--amber); }

.section { max-width: var(--max); margin: 0 auto; padding: 72px 24px; }
.section-head { max-width: 640px; margin-bottom: 36px; }
.section-head h2 { margin: 0; font-size: clamp(28px, 4vw, 38px); letter-spacing: -0.035em; line-height: 1.15; }
.section-head p { margin: 12px 0 0; color: var(--muted); font-size: 17px; }

.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.feature {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 24px; transition: border-color .2s ease, transform .2s ease;
}
.feature:hover { border-color: color-mix(in srgb, var(--accent) 45%, transparent); transform: translateY(-2px); }
.feature-icon svg { width: 20px; height: 20px; stroke: currentColor; fill: none; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.feature-icon {
  width: 40px; height: 40px; display: grid; place-items: center;
  border-radius: 10px; background: color-mix(in srgb, var(--accent) 14%, transparent);
  color: var(--accent);
}
.feature h3 { margin: 16px 0 6px; font-size: 17px; letter-spacing: -0.01em; }
.feature p { margin: 0; color: var(--muted); font-size: 15px; }

.code-pair { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.code-card { margin: 0; background: var(--code-bg); border: 1px solid var(--border-strong); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); }
.code-card figcaption {
  display: flex; align-items: center; gap: 8px; padding: 10px 16px;
  font: 500 12.5px var(--mono); color: rgba(244, 239, 230, 0.6);
  border-bottom: 1px solid rgba(244, 239, 230, 0.08);
}
.dot { width: 8px; height: 8px; border-radius: 50%; background: var(--amber); }
.code-card pre { margin: 0; padding: 18px 20px; overflow-x: auto; font-size: 13.5px; line-height: 1.7; color: #e8e2d6; }

.showcase-shot img { display: block; width: 100%; border-radius: var(--radius); border: 1px solid var(--border-strong); box-shadow: var(--shadow); }

.shots { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.shots figure { margin: 0; }
.shots img {
  display: block; width: 100%; aspect-ratio: 4 / 3; object-fit: cover; object-position: top;
  border-radius: var(--radius); border: 1px solid var(--border-strong); background: var(--surface);
}
.shots figcaption { margin-top: 10px; font-size: 14px; color: var(--muted); }
.shots figcaption strong { color: var(--text); }
/* Phone screenshots: whole, tall, five across on wide screens. */
.shots.phones { grid-template-columns: repeat(3, 1fr); align-items: start; }
.shots.phones img { aspect-ratio: 540 / 1101; height: auto; object-fit: contain; object-position: top; border-radius: 22px;
  background: #0e0f14; /* the app's own background, below a shorter shot */ }

/* Smoke test: info card next to its screenshot. */
.smoke-row { display: grid; grid-template-columns: 1fr 1.4fr; gap: 24px; align-items: start; margin-top: 80px; }
.smoke-info h3 { margin: 0 0 8px; font-size: clamp(28px, 4vw, 38px); letter-spacing: -0.035em; line-height: 1.15; }
.smoke-info p { margin: 0 0 14px; color: var(--muted); font-size: 15px; }
.smoke-info ul { margin: 0 0 14px; padding-left: 18px; color: var(--muted); font-size: 15px; display: grid; gap: 6px; }
.smoke-info strong { color: var(--text); }
.smoke-shot { margin: calc(clamp(28px, 4vw, 38px) * 1.15 + 8px) 0 0; }
.smoke-shot img {
  display: block; width: 100%; border-radius: var(--radius);
  border: 1px solid var(--border-strong); box-shadow: var(--shadow);
}
.smoke-shot figcaption { margin-top: 10px; font-size: 14px; color: var(--muted); }
/* Breakout: the desktop shot and the phone side by side. */
.breakout-shots { display: grid; grid-template-columns: 3fr 1fr; gap: 12px; align-items: start; }
.breakout-shots img.phone { border-radius: 18px; }
.breakout-shots figcaption { grid-column: 1 / -1; margin-top: 0; }
.smoke-shot.doc-shot { margin: 20px 0; }

.platforms { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.platform { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 24px; }
.platform h3 { margin: 0 0 6px; font-size: 18px; }
.platform p { margin: 0 0 16px; color: var(--muted); font-size: 15px; }
.status, .badge-planned {
  display: inline-block; font: 600 12px var(--font); border-radius: 999px; padding: 3px 10px;
}
.status-ok { color: #3ecf8e; background: rgba(62, 207, 142, 0.12); }
.status-beta { color: var(--accent); background: color-mix(in srgb, var(--accent) 14%, transparent); }
.status-planned, .badge-planned { color: var(--muted); background: var(--surface-2); border: 1px solid var(--border-strong); }

.table-wrap { overflow-x: auto; border: 1px solid var(--border); border-radius: var(--radius); }
table { width: 100%; border-collapse: collapse; font-size: 15px; }
th, td { text-align: left; padding: 12px 16px; border-bottom: 1px solid var(--border); vertical-align: top; }
th { font-weight: 600; background: var(--surface); }
tr:last-child td { border-bottom: 0; }
.compare td:first-child { color: var(--muted); white-space: nowrap; }

.cta {
  max-width: 880px; margin: 24px auto 96px; padding: 56px 24px; text-align: center;
  border: 1px solid var(--border-strong); border-radius: 20px;
  background: radial-gradient(600px 240px at 50% 0%, var(--glow), transparent 70%), var(--surface);
}
.cta h2 { margin: 0; font-size: clamp(26px, 4vw, 34px); letter-spacing: -0.03em; }
.cta p { color: var(--muted); margin: 12px 0 0; }

/* ---------- Docs ---------- */
.docs {
  max-width: var(--max); margin: 0 auto; padding: 0 24px;
  display: grid; grid-template-columns: 232px minmax(0, 1fr) 200px; gap: 48px;
}
.sidebar, .toc { position: sticky; top: 64px; align-self: start; max-height: calc(100vh - 64px); overflow-y: auto; padding: 32px 0; }
.sidebar h4, .toc h4 {
  margin: 20px 0 8px; font: 600 12px var(--font); text-transform: uppercase; letter-spacing: 0.08em; color: var(--faint);
}
.sidebar h4:first-child, .toc h4:first-child { margin-top: 0; }
.sidebar a {
  display: block; color: var(--muted); font-size: 15px; padding: 6px 12px; margin-left: -12px;
  border-radius: 8px; border-left: 2px solid transparent;
}
.sidebar a:hover { color: var(--text); background: var(--surface); }
.sidebar a.active { color: var(--text); background: var(--surface); border-left-color: var(--accent); font-weight: 500; }
.toc ul { list-style: none; margin: 0; padding: 0; }
.toc ul ul { padding-left: 12px; }
.toc a { display: block; color: var(--faint); font-size: 13.5px; padding: 4px 0; }
/* A heading's flag (`-Dllama`) is a code chip: keep it small and whole. */
.toc code { font-size: 11.5px; padding: 0 3px; white-space: nowrap; }
.toc a:hover { color: var(--text); }

.doc { padding: 40px 0 72px; min-width: 0; }
.prose { max-width: 74ch; }
.prose h1 { font-size: clamp(32px, 4.5vw, 44px); letter-spacing: -0.04em; line-height: 1.1; margin: 0 0 12px; }
.doc-lead { font-size: 19px; color: var(--muted); margin: 0 0 32px; }
.prose .content h1, .prose h2 { font-size: 26px; letter-spacing: -0.025em; margin: 48px 0 12px; padding-top: 8px; border-top: 1px solid var(--border); padding-top: 28px; }
.prose .content h2, .prose h3 { font-size: 19px; letter-spacing: -0.01em; margin: 32px 0 8px; }
.prose p, .prose li { color: color-mix(in srgb, var(--text) 88%, transparent); }
.prose ul, .prose ol { padding-left: 1.3em; }
.prose li { margin: 4px 0; }
.prose li::marker { color: var(--accent); }
.prose blockquote {
  margin: 20px 0; padding: 12px 18px; border-left: 3px solid var(--accent);
  background: var(--surface); border-radius: 0 10px 10px 0; color: var(--muted);
}
.prose blockquote p { margin: 6px 0; }
/* As wide as its content, at most the column: a wide table (the module
   overview's nine columns) scrolls sideways instead of spilling under the
   table of contents. */
.prose table { margin: 20px 0; border: 1px solid var(--border); border-radius: var(--radius); border-collapse: separate; border-spacing: 0; display: block; width: max-content; max-width: 100%; overflow-x: auto; -webkit-overflow-scrolling: touch; }
.prose .content { overflow-wrap: anywhere; }
/* Table cells break between words, never inside one (the prose's
   anywhere-breaking made "Experimental" four lines in a narrow column). */
.prose th, .prose td { overflow-wrap: normal; word-break: normal; hyphens: auto; }
/* Docs tables are dense (the module overview has nine columns): tighter
   cells than the home page's, so they fit the column before scrolling. */
.prose table { font-size: 13.5px; }
.prose th, .prose td { padding: 8px 10px; }
@media (max-width: 700px) {
  /* Narrow screens: columns keep a readable width and the table scrolls. */
  .prose th, .prose td { min-width: 6.5em; padding: 10px 12px; }
  .prose th:first-child, .prose td:first-child { min-width: 7.5em; }
}
.prose img { border-radius: var(--radius); border: 1px solid var(--border-strong); }
.prose pre {
  position: relative; margin: 20px 0; padding: 18px 20px; overflow-x: auto;
  background: var(--code-bg); color: #e8e2d6; border: 1px solid var(--border-strong);
  border-radius: var(--radius); font-size: 13.8px; line-height: 1.7;
}
.prose pre code { background: none; border: 0; padding: 0; font-size: inherit; color: inherit; }
.prose pre .copy-btn { position: absolute; top: 8px; right: 8px; opacity: 0; transition: opacity .15s; }
.prose pre:hover .copy-btn { opacity: 1; }
/* Diagrams (site.js): the rendered image in the column, a tap enlarges it. */
.prose figure.diagram { margin: 24px 0; }
.diagram-open {
  display: block; width: 100%; padding: 16px; cursor: zoom-in;
  background: var(--surface); border: 1px solid var(--border-strong); border-radius: var(--radius);
}
.diagram-open:focus-visible { outline: 2px solid var(--accent, #e8a33d); outline-offset: 2px; }
.diagram-open img { display: block; width: 100%; height: auto; margin: 0 auto; border: 0; border-radius: 0; }
.prose figure.diagram figcaption { margin-top: 6px; text-align: right; font-size: 13px; color: var(--faint); }
@media (hover: hover) { .prose figure.diagram figcaption { visibility: hidden; } .diagram-open:hover + figcaption { visibility: visible; } }
body.viewing-diagram { overflow: hidden; }
.diagram-viewer {
  position: fixed; inset: 0; z-index: 100; display: flex; flex-direction: column;
  background: var(--bg);
}
.diagram-bar { display: flex; justify-content: flex-end; gap: 8px; padding: 10px 12px; border-bottom: 1px solid var(--border); }
.diagram-bar button {
  min-width: 44px; height: 44px; font-size: 22px; line-height: 1; cursor: pointer;
  color: var(--text); background: var(--surface); border: 1px solid var(--border-strong); border-radius: var(--radius);
}
.diagram-stage { flex: 1; display: flex; overflow: auto; padding: 16px; -webkit-overflow-scrolling: touch; touch-action: pan-x pan-y pinch-zoom; }
/* Centered by auto margins: a diagram wider or taller than the screen still scrolls to its start. */
.diagram-stage img { display: block; flex: none; max-width: none; height: auto; margin: auto; border: 0; }
.doc-foot { margin-top: 48px; font-size: 14px; }
.edit-link { color: var(--faint); }
.pager { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 24px; }
.pager a { border: 1px solid var(--border); border-radius: var(--radius); padding: 14px 18px; color: var(--text); background: var(--surface); }
.pager a:hover { border-color: var(--accent); }
.pager small { display: block; color: var(--faint); font-size: 12.5px; }
.pager-next { grid-column: 2; text-align: right; }

/* ---------- Footer ---------- */
.site-footer { border-top: 1px solid var(--border); padding: 48px 0 32px; }
.footer-inner { max-width: var(--max); margin: 0 auto; padding: 0 24px; display: flex; justify-content: space-between; gap: 32px; flex-wrap: wrap; }
.footer-brand { display: flex; align-items: center; align-content: flex-start; gap: 8px; flex-wrap: wrap; max-width: 320px; font-weight: 800; letter-spacing: -0.03em; font-size: 18px; }
.footer-brand p { flex-basis: 100%; margin: 6px 0 0; font-weight: 400; letter-spacing: 0; font-size: 14px; color: var(--muted); }
.footer-cols { display: flex; gap: 64px; }
.footer-cols h4 { margin: 0 0 10px; font-size: 13px; color: var(--faint); text-transform: uppercase; letter-spacing: 0.08em; }
.footer-cols a { display: block; color: var(--muted); font-size: 14px; padding: 3px 0; }
.footer-cols a:hover { color: var(--text); }
.footer-legal { max-width: var(--max); margin: 32px auto 0; padding: 0 24px; color: var(--faint); font-size: 13px; }
.footer-legal a { color: var(--muted); }

/* ---------- Responsive ---------- */
@media (max-width: 1180px) {
  .docs { grid-template-columns: 220px minmax(0, 1fr); }
  .toc { display: none; }
}
@media (max-width: 900px) {
  .menu-toggle { display: block; }
  .topnav {
    display: none; position: absolute; top: 64px; left: 0; right: 0; flex-direction: column; align-items: stretch;
    background: var(--bg); border-bottom: 1px solid var(--border); padding: 8px 16px 16px;
  }
  .topnav.open { display: flex; }
  .topnav-gh, .version-badge { margin-left: 0; }
  .version-badge { align-self: flex-start; margin-top: 8px; }
  .feature-grid, .platforms, .shots { grid-template-columns: 1fr 1fr; }
  .shots.phones { grid-template-columns: repeat(3, 1fr); }
  .code-pair { grid-template-columns: 1fr; }
  /* The example rows stack: a desktop screenshot needs the full width. */
  .smoke-row { grid-template-columns: 1fr; gap: 8px; margin-top: 56px; }
  .smoke-shot { margin: 0; }
  .docs { grid-template-columns: 1fr; gap: 0; padding: 0 16px; }
  .sidebar { position: static; max-height: none; padding: 20px 0 0; border-bottom: 1px solid var(--border); }
  .sidebar nav { display: flex; flex-wrap: wrap; gap: 4px; }
  .sidebar h4 { flex-basis: 100%; margin: 8px 0 4px; }
  .sidebar a { margin: 0; border: 1px solid var(--border); border-radius: 999px; padding: 4px 12px; font-size: 14px; }
  .sidebar a.active { border-color: var(--accent); }
}
@media (max-width: 600px) {
  .topbar-inner { padding: 0 16px; }
  .hero { padding: 64px 16px 48px; }
  .section { padding: 48px 16px; }
  .feature-grid, .platforms, .shots { grid-template-columns: 1fr; }
  .shots.phones { grid-template-columns: 1fr 1fr; }
  .footer-cols { gap: 40px; }
  .cta { margin: 16px 16px 64px; }
}

/* Native renderer page: diagrams (inline SVG, themed by the site's colors) */
.nr-fig { margin: 28px 0; overflow-x: auto; }
.nr-videos { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin: 24px 0; }
.nr-videos figure { margin: 0; }
.nr-videos figcaption { font-size: .9rem; font-weight: 600; margin-bottom: 6px; }
.nr-videos video { width: 100%; height: auto; display: block; border-radius: 8px; background: #111; }
@media (max-width: 700px) { .nr-videos { grid-template-columns: 1fr; } }
@media (max-width: 700px) {
  .nr-fig svg { min-width: 620px; }
  /* A wide diagram scrolls sideways on a phone: say so. */
  .nr-fig figcaption::before { content: "Swipe to see the whole diagram. "; font-weight: 600; }
}
.nr-fig svg { width: 100%; height: auto; display: block; overflow: visible; }
.nr-fig figcaption { margin-top: 10px; color: var(--faint); font-size: 0.85rem; }
.nr-fig text { font-family: var(--font); fill: var(--text); }
.nr-fig .nr-t { font-size: 15px; font-weight: 600; }
.nr-fig .nr-h { font-size: 14px; font-weight: 600; fill: var(--muted); }
.nr-fig .nr-s { font-size: 13px; fill: var(--muted); }
.nr-fig .nr-m { font-family: var(--mono); font-size: 13px; fill: var(--muted); }
.nr-fig .nr-v { font-size: 13px; font-weight: 600; }
.nr-fig .nr-n { font-size: 13px; font-weight: 700; fill: var(--accent); }
.nr-fig .nr-label { font-size: 11px; font-weight: 700; letter-spacing: 0.08em; fill: var(--faint); }
.nr-fig .nr-dim { fill: var(--faint); }
.nr-fig .nr-box { fill: var(--surface); stroke: var(--border-strong); stroke-width: 1; }
.nr-fig .nr-group { fill: none; stroke: var(--border-strong); stroke-width: 1; stroke-dasharray: 4 4; }
.nr-fig .nr-code { fill: var(--code-bg); stroke: var(--border); }
.nr-fig .nr-code ~ .nr-m { fill: #e8e2d6; }
.nr-fig .nr-acc { stroke: var(--accent); stroke-width: 1.5; }
.nr-fig .nr-hot { stroke: var(--faint); stroke-dasharray: 5 4; }
.nr-fig .nr-line { fill: none; stroke: var(--faint); stroke-width: 1.5; }
.nr-fig .nr-back { stroke-dasharray: 4 4; }
.nr-fig .nr-arrowhead { fill: var(--faint); }
.nr-fig .nr-bar { fill: var(--border-strong); }
.nr-fig .nr-acc-fill { fill: var(--accent); }
.tag-exp { font-size: 0.7em; padding: 1px 6px; border-radius: 99px; border: 1px solid var(--border-strong); color: var(--faint); vertical-align: 1px; margin-left: 4px; }

/* ---------- Documentation search ---------- */
.search-trigger {
  display: flex; align-items: center; gap: 9px; margin-left: auto;
  padding: 8px 10px; border: 1px solid var(--border-strong); border-radius: 8px;
  background: var(--surface); color: var(--muted); font: 500 13px var(--font); cursor: pointer;
}
.search-trigger:hover { color: var(--text); border-color: var(--accent); }
.search-trigger kbd { font: 11px var(--mono); color: var(--faint); border-left: 1px solid var(--border-strong); padding-left: 9px; }
.search-trigger ~ .topnav, .search-trigger ~ .menu-toggle { margin-left: 0; }
.search-dialog {
  width: min(660px, calc(100% - 32px)); max-height: calc(100dvh - 64px);
  margin: 10vh auto auto; padding: 24px; overflow-y: auto;
  color: var(--text); background: var(--bg); border: 1px solid var(--border-strong);
  border-radius: 16px; box-shadow: 0 24px 100px rgba(0, 0, 0, .4);
}
.search-dialog::backdrop { background: rgba(7, 9, 15, .72); backdrop-filter: blur(4px); }
.search-header { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-bottom: 20px; }
.search-header h2 { margin: 0; font-size: 19px; letter-spacing: -.025em; }
.search-close { border: 1px solid var(--border-strong); border-radius: 6px; padding: 5px 9px; background: var(--surface); color: var(--muted); font: 12px var(--mono); cursor: pointer; }
.search-close:hover { color: var(--text); border-color: var(--accent); }
.search-label { display: block; margin-bottom: 8px; color: var(--muted); font-size: 13px; }
#search-input { width: 100%; padding: 14px 15px; border: 1px solid var(--border-strong); border-radius: 9px; color: var(--text); background: var(--surface); font: 16px var(--font); }
#search-input::placeholder { color: var(--faint); }
#search-input:focus { outline: 2px solid var(--accent); outline-offset: 2px; }
.search-status { margin: 16px 0; color: var(--muted); font-size: 13px; }
.search-results { list-style: none; padding: 0; margin: 0; }
.search-results li + li { border-top: 1px solid var(--border); }
.search-results a { display: block; padding: 15px 12px; border-radius: 8px; color: var(--text); }
.search-results a:hover, .search-results a:focus-visible { background: var(--surface); }
.search-results strong { font-size: 15px; }
.search-results p { margin: 5px 0 0; color: var(--muted); font-size: 13px; line-height: 1.65; }
.search-results mark { background: color-mix(in srgb, var(--accent) 18%, transparent); color: var(--text); padding: 0 2px; border-radius: 3px; }
.search-footer { display: flex; justify-content: space-between; gap: 16px; margin-top: 18px; padding-top: 14px; border-top: 1px solid var(--border); color: var(--faint); font: 11px var(--mono); }
@media (max-width: 1100px) { .search-trigger kbd { display: none; } }
@media (max-width: 600px) {
  .search-trigger { padding: 8px; }
  .search-trigger span { font-size: 12px; }
  .search-dialog { margin-top: 16px; max-height: calc(100dvh - 32px); padding: 18px; }
  .search-footer { font-size: 10px; }
}

/* Diagrams (site.js renders them with Mermaid). */
.prose .block.mermaid { margin: 1.4em 0; }