:root {
  --bg: #fbfbfd;
  --panel: #ffffff;
  --text: #1c1e26;
  --dim: #5d6170;
  --line: #e2e4ec;
  --accent: #2f6fed;
  --accent-soft: #e7eefc;
  --code-bg: #f3f4f8;
  --kw: #a626a4;
  --str: #50a14f;
  --num: #986801;
  --cmt: #8d919d;
  --typ: #c18401;
  --side-w: 250px;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #14161d;
    --panel: #1b1e27;
    --text: #e6e8ef;
    --dim: #9aa0b0;
    --line: #2b2f3c;
    --accent: #7aa2ff;
    --accent-soft: #1f2a44;
    --code-bg: #1e2230;
    --kw: #c678dd;
    --str: #98c379;
    --num: #d19a66;
    --cmt: #6c7386;
    --typ: #e5c07b;
  }
}
* { box-sizing: border-box; }
html { scroll-padding-top: 70px; }
body {
  margin: 0;
  font: 15px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
code, pre { font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace; font-size: 13px; }
code { background: var(--code-bg); padding: 1px 5px; border-radius: 4px; }
pre { background: var(--code-bg); border: 1px solid var(--line); border-radius: 8px; padding: 12px 14px; overflow-x: auto; line-height: 1.5; }
pre code { background: none; padding: 0; }
.kw { color: var(--kw); } .str { color: var(--str); } .num { color: var(--num); } .cmt { color: var(--cmt); font-style: italic; } .typ { color: var(--typ); }

.top {
  position: sticky; top: 0; z-index: 10;
  display: flex; align-items: center; gap: 14px;
  height: 56px; padding: 0 20px;
  background: var(--panel); border-bottom: 1px solid var(--line);
}
.brand { font-weight: 700; font-size: 18px; color: var(--text); }
.tagline { color: var(--dim); font-size: 13px; }
.menu { display: none; background: none; border: 1px solid var(--line); border-radius: 6px; font-size: 18px; color: var(--text); padding: 2px 8px; }
.search { margin-left: auto; position: relative; }
.search input { width: 280px; padding: 7px 12px; border: 1px solid var(--line); border-radius: 8px; background: var(--bg); color: var(--text); font-size: 14px; }
.results { position: absolute; right: 0; top: 40px; width: 380px; max-height: 400px; overflow: auto; background: var(--panel); border: 1px solid var(--line); border-radius: 8px; box-shadow: 0 8px 30px rgba(0,0,0,.15); }
.results a { display: flex; gap: 10px; padding: 8px 12px; border-bottom: 1px solid var(--line); color: var(--text); }
.results a:hover, .results a.hot { background: var(--accent-soft); text-decoration: none; }
.results .pkg { color: var(--dim); font-size: 12px; margin-left: auto; }
.results .kind { color: var(--dim); font-size: 11px; text-transform: uppercase; width: 48px; }
.gh { color: var(--dim); font-size: 14px; }

.shell { display: flex; min-height: calc(100vh - 56px); }
.side {
  width: var(--side-w); flex: none; padding: 20px 16px 40px;
  border-right: 1px solid var(--line); background: var(--panel);
  position: sticky; top: 56px; height: calc(100vh - 56px); overflow-y: auto;
}
.side h4 { margin: 14px 0 6px; font-size: 11px; letter-spacing: .08em; text-transform: uppercase; color: var(--dim); }
.side ul { list-style: none; margin: 0; padding: 0; }
.side li a { display: block; padding: 4px 10px; border-radius: 6px; color: var(--text); font-size: 14px; }
.side li a:hover { background: var(--accent-soft); text-decoration: none; }
.side li a.active { background: var(--accent); color: white; }
.content { flex: 1; min-width: 0; padding: 32px 48px 80px; max-width: 1000px; }

h1 { font-size: 30px; margin: 0 0 12px; }
h2 { font-size: 22px; margin: 40px 0 12px; padding-bottom: 6px; border-bottom: 1px solid var(--line); }
h3 { font-size: 18px; margin: 32px 0 8px; }
h4 { font-size: 15px; margin: 22px 0 6px; }
p, li { max-width: 78ch; }
.dim { color: var(--dim); }
.crumbs { color: var(--dim); margin: 0; font-size: 13px; }
.anchor { color: inherit; }
.anchor:hover::after { content: " #"; color: var(--dim); }
.src { font-size: 12px; font-weight: normal; color: var(--dim); margin-left: 8px; }
.decl { margin: 18px 0 26px; }
.decl .sig { margin: 6px 0 8px; }
.type { border-left: 3px solid var(--line); padding-left: 16px; margin: 20px 0 36px; }
.index { columns: 1; }
.index ul { padding-left: 18px; }
.index code { background: none; padding: 0; font-size: 13px; }
.example { margin: 12px 0 18px; border: 1px solid var(--line); border-radius: 8px; background: var(--panel); }
.example summary { cursor: pointer; padding: 8px 12px; font-weight: 600; color: var(--accent); }
.example pre { margin: 0 12px 12px; }
.example p { margin: 4px 12px 8px; }
.output { margin: 0 12px 12px; }
.output span { font-size: 11px; text-transform: uppercase; letter-spacing: .08em; color: var(--dim); }
.output pre { margin-top: 4px; }
.files a { margin-right: 10px; font-size: 13px; }

.hero { padding: 24px 0 8px; }
.hero h1 { font-size: 40px; }
.lead { font-size: 18px; color: var(--dim); max-width: 70ch; }
.actions { display: flex; gap: 10px; flex-wrap: wrap; }
.button { display: inline-block; padding: 9px 16px; border-radius: 8px; background: var(--accent); color: white; font-weight: 600; }
.button.secondary { background: var(--accent-soft); color: var(--accent); }
.button:hover { text-decoration: none; filter: brightness(1.08); }
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 14px; margin: 24px 0; }
.card { display: block; padding: 16px; border: 1px solid var(--line); border-radius: 10px; background: var(--panel); color: var(--text); }
.card:hover { border-color: var(--accent); text-decoration: none; }
.card h3 { margin: 0 0 6px; font-size: 16px; }
.card p { margin: 0; color: var(--dim); font-size: 14px; }
.guide-list li { margin: 4px 0; }
table.pkgs { border-collapse: collapse; width: 100%; margin-bottom: 8px; }
table.pkgs td { padding: 6px 10px 6px 0; border-bottom: 1px solid var(--line); vertical-align: top; }
table.pkgs td:first-child { white-space: nowrap; width: 140px; }

.guide { position: relative; }
.guide img { max-width: 100%; border-radius: 8px; border: 1px solid var(--line); }
.guide table { border-collapse: collapse; margin: 12px 0; }
.guide th, .guide td { border: 1px solid var(--line); padding: 6px 10px; text-align: left; }
.guide blockquote { margin: 12px 0; padding: 8px 14px; border-left: 3px solid var(--accent); background: var(--accent-soft); border-radius: 0 8px 8px 0; }
.toc { float: right; width: 220px; margin: 0 0 16px 24px; padding: 10px 14px; border: 1px solid var(--line); border-radius: 8px; background: var(--panel); font-size: 13px; }
.toc h4 { margin: 0 0 6px; }
.toc ul { list-style: none; margin: 0; padding: 0; }
.toc li { margin: 3px 0; }

@media (max-width: 900px) {
  .menu { display: block; }
  .tagline, .gh { display: none; }
  .search input { width: 160px; }
  .side { position: fixed; left: 0; top: 56px; transform: translateX(-100%); transition: transform .2s; z-index: 9; }
  .side.open { transform: none; }
  .content { padding: 20px 18px 60px; }
  .toc { float: none; width: auto; margin: 0 0 16px; }
}