/* Shared theme for generated doc HTML + documentation hub */
:root {
  --bg: #0d1117;
  --surface: #161b22;
  --border: #30363d;
  --text: #e6edf3;
  --muted: #8b949e;
  --accent: #58a6ff;
  --accent-hover: #79b8ff;
  --rule: #21262d;
  --maxw: 52rem;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  padding: 2rem 1.25rem 4rem;
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.65;
  color: var(--text);
  background: var(--bg);
}
.doc, .hub-inner {
  max-width: var(--maxw);
  margin: 0 auto;
}
a.back, .hub-inner a.home {
  display: inline-block;
  font-size: 0.9rem;
  color: var(--muted);
  margin-bottom: 1.25rem;
  text-decoration: none;
}
a.back:hover, .hub-inner a.home:hover { color: var(--accent); }
.doc h1, .hub-inner h1 {
  font-size: 1.85rem;
  font-weight: 600;
  margin: 0 0 0.75rem;
  letter-spacing: -0.02em;
  border-bottom: 1px solid var(--rule);
  padding-bottom: 0.35rem;
}
.doc h2, .hub-inner h2 {
  font-size: 1.25rem;
  font-weight: 600;
  margin: 2rem 0 0.75rem;
  padding-bottom: 0.35rem;
  border-bottom: 1px solid var(--rule);
}
.doc h3 { font-size: 1.05rem; font-weight: 600; margin: 1.35rem 0 0.5rem; }
.doc h4 { font-size: 1rem; font-weight: 600; margin: 1rem 0 0.4rem; }
.doc p, .doc li, .hub-inner p { margin: 0.65rem 0; }
.doc a, .hub-inner a { color: var(--accent); text-decoration: none; }
.doc a:hover, .hub-inner a:hover { color: var(--accent-hover); text-decoration: underline; }
.doc hr {
  border: none;
  border-top: 1px solid var(--border);
  margin: 1.75rem 0;
}
.doc blockquote {
  margin: 1rem 0;
  padding: 0.65rem 1rem;
  border-left: 4px solid var(--accent);
  background: var(--surface);
  color: var(--muted);
}
.doc code, .doc tt {
  font-family: ui-monospace, "Cascadia Code", "SF Mono", Consolas, monospace;
  font-size: 0.88em;
  background: var(--surface);
  padding: 0.12em 0.35em;
  border-radius: 4px;
  border: 1px solid var(--border);
}
.doc pre {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 1rem;
  overflow-x: auto;
  font-size: 0.9rem;
}
.doc pre code { background: none; border: none; padding: 0; }
.doc table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.95rem;
  margin: 1rem 0;
}
.doc th, .doc td {
  border: 1px solid var(--border);
  padding: 0.5rem 0.65rem;
  vertical-align: top;
}
.doc th { background: var(--surface); color: var(--muted); text-align: left; }
.doc img {
  max-width: 100%;
  height: auto;
  border-radius: 6px;
  border: 1px solid var(--border);
}
.doc ul, .doc ol { padding-left: 1.35rem; }
.doc li { margin: 0.35rem 0; }
.hub-inner .cards {
  display: grid;
  gap: 0.75rem;
  margin: 1.25rem 0;
}
@media (min-width: 640px) {
  .hub-inner .cards { grid-template-columns: 1fr 1fr; }
}
.hub-inner .card {
  display: block;
  padding: 1rem 1.1rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  text-decoration: none;
  color: var(--text);
  transition: border-color 0.15s;
}
.hub-inner .card:hover {
  border-color: var(--accent);
  text-decoration: none;
}
.hub-inner .card strong { display: block; font-size: 1.05rem; margin-bottom: 0.35rem; }
.hub-inner .card span { font-size: 0.9rem; color: var(--muted); }