:root {
  --bg-000: #0b0d12; --bg-100: #12151c; --bg-200: #181c25; --bg-300: #222734;
  --border: #2a3040; --ink: #eef1f7; --ink-muted: #9aa3b5;
  --accent: #4c66ee; --link: #9db0ff; --focus-ring: #9db0ff;
  --radius-md: 10px;
  --font-sans: Inter, system-ui, -apple-system, "Segoe UI", sans-serif;
  --nav-height: 64px;
  color-scheme: dark;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--nav-height) + 16px); }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body { margin: 0; background: var(--bg-000); color: var(--ink); font-family: var(--font-sans); font-size: 16px; line-height: 1.6; -webkit-font-smoothing: antialiased; }
:focus-visible { outline: 2px solid var(--focus-ring); outline-offset: 2px; border-radius: 6px; }

.nav { position: sticky; top: 0; z-index: 20; height: var(--nav-height); display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 0 max(20px, env(safe-area-inset-left, 0px)); background: rgba(11, 13, 18, 0.85); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px); border-bottom: 1px solid var(--border); }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 600; color: var(--ink); text-decoration: none; }
.mark { width: 26px; height: 26px; border-radius: 8px; background: var(--bg-300); display: grid; place-items: center; }
.mark i { width: 14px; height: 14px; border-radius: 4px; background: var(--accent); }
.nav ul { display: flex; gap: 4px; list-style: none; margin: 0; padding: 0; }
.nav ul a { display: block; color: var(--ink-muted); text-decoration: none; font-size: 14px; padding: 8px 12px; border-radius: var(--radius-md); }
.nav ul a:hover { color: var(--ink); background: var(--bg-200); }
.nav ul a[aria-current] { color: var(--ink); font-weight: 500; }

.layout { display: grid; grid-template-columns: 240px minmax(0, 1fr); max-width: 1160px; margin: 0 auto; }
.side { position: sticky; top: var(--nav-height); align-self: start; height: calc(100vh - var(--nav-height)); overflow-y: auto; padding: 24px 16px 40px 20px; border-right: 1px solid var(--border); }
.side h2 { margin: 0 0 10px 10px; font-size: 12px; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; color: var(--ink-muted); }
.side ul { list-style: none; margin: 0; padding: 0; }
.side a { display: block; padding: 5px 10px; border-radius: 8px; font-size: 14px; color: var(--ink-muted); text-decoration: none; }
.side a:hover { color: var(--ink); background: var(--bg-200); }

main { padding: 40px 48px 96px; min-width: 0; }
h1 { margin: 0 0 8px; font-size: 34px; line-height: 1.15; letter-spacing: -0.8px; font-weight: 700; }
.lede { margin: 0 0 24px; color: var(--ink-muted); max-width: 62ch; }
.lede a { color: var(--link); }
.search { display: block; width: 100%; max-width: 420px; min-height: 44px; padding: 10px 14px; border-radius: var(--radius-md); border: 1px solid var(--border); background: var(--bg-200); color: var(--ink); font: inherit; font-size: 16px; }
.search::placeholder { color: var(--ink-muted); }
.count { margin: 10px 0 0; min-height: 22px; font-size: 14px; color: var(--ink-muted); }

.group { margin-top: 40px; }
.group h2 { position: relative; margin: 0; font-size: 21px; font-weight: 600; letter-spacing: -0.3px; }
.anchor { position: absolute; left: -22px; color: var(--ink-muted); text-decoration: none; font-weight: 400; opacity: 0; }
.group h2:hover .anchor, .anchor:focus-visible { opacity: 1; }
.sub { margin: 2px 0 12px; font-size: 15px; color: var(--ink-muted); }
.items { margin: 0; padding-left: 20px; }
.items li { padding: 4px 0; }
.items li::marker { color: var(--ink-muted); }
.items a { color: var(--link); text-underline-offset: 3px; }
.items a:hover { color: var(--ink); }
.sep, .desc { color: var(--ink-muted); }
.empty { margin-top: 40px; color: var(--ink-muted); }
[hidden] { display: none !important; }

@media (max-width: 820px) {
  .layout { display: block; }
  .side { display: none; }
  main { padding: 28px max(16px, env(safe-area-inset-left, 0px)) 72px; }
  .search { max-width: none; }
  .anchor { display: none; }
}
@media (max-width: 520px) { .nav ul li.hide-sm { display: none; } }

/* A component's page */
.side a[aria-current] { color: var(--ink); background: var(--bg-200); font-weight: 500; }
.crumb { margin: 0 0 8px; font-size: 14px; color: var(--ink-muted); }
.crumb a { color: var(--link); text-underline-offset: 3px; }
.block { margin: 32px 0 4px; font-size: 21px; font-weight: 600; letter-spacing: -0.3px; }
.block-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 12px; margin-bottom: 10px; }
.stage { display: block; width: 100%; margin-top: 12px; border: 1px solid var(--border); border-radius: var(--radius-md); background: var(--bg-100); }
.stage:fullscreen { margin: 0; border: 0; border-radius: 0; }
.code { margin: 0; padding: 16px 18px; overflow-x: auto; border: 1px solid var(--border); border-radius: var(--radius-md); background: var(--bg-100); font-family: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 13.5px; line-height: 1.6; }
.t-keyword { color: #c792ea; }
.t-type { color: #82aaff; }
.t-string { color: #a5d6a7; }
.t-number { color: #f4b78a; }
.t-comment { color: var(--ink-muted); }
.copy { min-height: 36px; padding: 6px 14px; border: 1px solid var(--border); border-radius: var(--radius-md); background: var(--bg-200); color: var(--ink); font: inherit; font-size: 14px; cursor: pointer; }
.copy:hover { background: var(--bg-300); }
.more { color: var(--link); text-underline-offset: 3px; }
.pager { display: flex; justify-content: space-between; gap: 12px; margin-top: 32px; padding-top: 16px; border-top: 1px solid var(--border); }
.pager a { color: var(--link); text-decoration: none; }
.pager a:hover { color: var(--ink); }