:root {
  --bg: #f8fafc;
  --surface: #ffffff;
  --surface-2: #eef2ff;
  --text: #0f172a;
  --muted: #64748b;
  --border: #dbe4f0;
  --brand: #0f172a;
  --accent: #2563eb;
  --radius: 12px;
  --shadow: 0 8px 24px rgba(15, 23, 42, 0.08);
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.65;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
code {
  background: #eff6ff;
  border: 1px solid #bfdbfe;
  border-radius: 6px;
  padding: 1px 6px;
}
pre {
  overflow-x: auto;
  background: #0f172a;
  color: #e2e8f0;
  border-radius: 12px;
  padding: 16px;
}
pre code { background: transparent; border: 0; color: inherit; padding: 0; }
.doc-shell {
  display: grid;
  grid-template-columns: 280px 1fr;
  min-height: 100vh;
}
.doc-sidebar {
  background: #0f172a;
  color: #e2e8f0;
  padding: 28px 20px;
}
.doc-brand {
  display: inline-block;
  color: #fff;
  font-weight: 800;
  font-size: 1.05rem;
  margin-bottom: 24px;
}
.doc-nav {
  display: grid;
  gap: 8px;
  margin-bottom: 24px;
}
.doc-nav-link {
  color: #cbd5e1;
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 10px;
  padding: 10px 12px;
}
.doc-nav-link.is-active,
.doc-nav-link:hover {
  color: #fff;
  background: rgba(255,255,255,0.08);
  text-decoration: none;
}
.doc-side-note {
  font-size: 0.92rem;
  color: #cbd5e1;
}
.doc-side-note p { margin: 8px 0 0; }
.doc-main {
  padding: 32px;
}
.doc-topbar {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 20px;
}
.doc-pill {
  display: inline-flex;
  align-items: center;
  min-height: 36px;
  padding: 0 14px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--surface);
  color: var(--text);
  font-weight: 600;
}
.doc-pill:hover { text-decoration: none; border-color: #94a3b8; }
.doc-article {
  max-width: 900px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 32px;
}
.doc-article h1 { margin-top: 0; font-size: 2rem; }
.doc-article h2 { margin-top: 32px; font-size: 1.35rem; }
.doc-article h3 { margin-top: 24px; font-size: 1.05rem; }
.doc-article p, .doc-article li { color: var(--text); }
.doc-article ul, .doc-article ol { padding-left: 22px; }
@media (max-width: 980px) {
  .doc-shell { grid-template-columns: 1fr; }
  .doc-main { padding: 16px; }
  .doc-sidebar { padding: 20px 16px; }
  .doc-article { padding: 22px; }
}
@media print {
  .doc-sidebar, .doc-topbar { display: none !important; }
  .doc-shell { grid-template-columns: 1fr; }
  .doc-main { padding: 0; }
  .doc-article { box-shadow: none; border: 0; padding: 0; max-width: none; }
}