:root {
  color-scheme: light dark;
  --bg: #ffffff; --fg: #181c1f; --muted: #5c6370; --line: #e1e3e5; --soft: #f6f7f8; --code-bg: #f1f2f4;
  --accent: #008060; --accent-soft: #e3f1ec; --warn-bg: #fff6d6; --warn-fg: #6b4e00;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1214; --fg: #e8eaed; --muted: #9aa1ab; --line: #262b30; --soft: #161a1d; --code-bg: #1b2024;
    --accent: #3fbf96; --accent-soft: #12302a; --warn-bg: #2e2610; --warn-fg: #f0d68a;
  }
}
* { box-sizing: border-box; }
html, body { margin: 0; background: var(--bg); color: var(--fg); }
body { font: 15px/1.65 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
a { color: var(--accent); }
.layout { display: grid; grid-template-columns: 1fr; max-width: 1100px; margin: 0 auto; }
@media (min-width: 900px) { .layout { grid-template-columns: 230px minmax(0, 1fr); gap: 40px; padding: 0 24px; } }
header.top { border-bottom: 1px solid var(--line); }
header.top .bar { max-width: 1100px; margin: 0 auto; padding: 14px 16px; display: flex; align-items: center; gap: 10px; }
header.top a.brand { color: var(--fg); text-decoration: none; font-weight: 650; letter-spacing: -0.01em; }
header.top .tag { font-size: 12px; color: var(--muted); border: 1px solid var(--line); border-radius: 999px; padding: 1px 8px; }
nav.side { padding: 16px; border-bottom: 1px solid var(--line); }
@media (min-width: 900px) { nav.side { position: sticky; top: 0; align-self: start; border: 0; padding: 28px 0; } }
nav.side ol { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 4px 14px; }
@media (min-width: 900px) { nav.side ol { flex-direction: column; gap: 2px; } }
nav.side a { display: block; color: var(--muted); text-decoration: none; padding: 4px 0; font-size: 14px; }
nav.side a[aria-current="page"] { color: var(--fg); font-weight: 600; }
main { padding: 8px 16px 64px; min-width: 0; }
@media (min-width: 900px) { main { padding: 28px 0 80px; } }
h1 { font-size: 30px; line-height: 1.2; letter-spacing: -0.02em; margin: 0 0 8px; }
h2 { font-size: 21px; margin: 36px 0 8px; letter-spacing: -0.01em; }
h3 { font-size: 16px; margin: 24px 0 6px; }
p.lede { color: var(--muted); font-size: 16px; margin-top: 0; }
code { font: 13px/1.5 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; background: var(--code-bg); padding: 1px 5px; border-radius: 4px; }
pre { background: var(--code-bg); border: 1px solid var(--line); border-radius: 8px; padding: 14px 16px; overflow-x: auto; }
pre code { background: none; padding: 0; font-size: 12.8px; }
table { width: 100%; border-collapse: collapse; margin: 12px 0; font-size: 14px; display: block; overflow-x: auto; }
th, td { text-align: left; vertical-align: top; padding: 8px 10px; border-bottom: 1px solid var(--line); }
th { background: var(--soft); font-weight: 600; white-space: nowrap; }
td code { white-space: nowrap; }
.note { background: var(--accent-soft); border-radius: 8px; padding: 10px 14px; margin: 14px 0; }
.warn { background: var(--warn-bg); color: var(--warn-fg); border-radius: 8px; padding: 10px 14px; margin: 14px 0; }
.method { font: 600 12px ui-monospace, monospace; color: var(--accent); margin-right: 6px; }
.cards { display: grid; gap: 12px; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); margin: 16px 0; }
.cards a { display: block; border: 1px solid var(--line); border-radius: 10px; padding: 14px; text-decoration: none; color: var(--fg); }
.cards a span { display: block; color: var(--muted); font-size: 13.5px; margin-top: 4px; }
footer { color: var(--muted); font-size: 13px; border-top: 1px solid var(--line); margin-top: 48px; padding-top: 16px; }