:root { color-scheme: light dark; --fg: #1a1f2b; --bg: #fff; --muted: #5b6577; --line: #e2e6ee; --accent: #3b5bdb; --code: #f4f6fa; }
@media (prefers-color-scheme: dark) { :root { --fg: #e6e9f0; --bg: #14171f; --muted: #9aa4b8; --line: #2a3140; --accent: #8da2ff; --code: #1d222d; } }
* { box-sizing: border-box; }
body { margin: 0; font: 16px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; color: var(--fg); background: var(--bg); }
a { color: var(--accent); }
.topbar { display: flex; justify-content: space-between; align-items: center; gap: 16px; padding: 10px 20px; border-bottom: 1px solid var(--line); position: sticky; top: 0; background: var(--bg); z-index: 10; }
.topbar a { text-decoration: none; margin-left: 16px; }
.topbar strong a { margin-left: 0; color: var(--fg); }
.topbar nav a[aria-current] { font-weight: 600; text-decoration: underline; }
.layout { display: flex; max-width: 1200px; margin: 0 auto; }
.side { width: 240px; flex: none; padding: 24px 16px; }
.side ul { list-style: none; margin: 0; padding: 0; position: sticky; top: 72px; }
.side a { display: block; padding: 6px 10px; border-radius: 6px; text-decoration: none; color: var(--muted); }
.side a[aria-current] { background: var(--code); color: var(--fg); font-weight: 600; }
.content { flex: 1; min-width: 0; padding: 24px 24px 80px; max-width: 860px; }
.content h1 { margin-top: 0; }
.content h2 { margin-top: 2.2em; padding-bottom: 6px; border-bottom: 1px solid var(--line); }
pre { background: var(--code); border: 1px solid var(--line); border-radius: 8px; padding: 14px 16px; overflow-x: auto; font-size: 14px; line-height: 1.5; }
code { background: var(--code); padding: 1px 5px; border-radius: 4px; font: 0.9em ui-monospace, SFMono-Regular, Menlo, monospace; }
pre code { background: none; padding: 0; }
table { border-collapse: collapse; display: block; overflow-x: auto; margin: 1em 0; }
th, td { border: 1px solid var(--line); padding: 6px 10px; text-align: left; vertical-align: top; }
th { background: var(--code); }
blockquote { margin: 1em 0; padding: 4px 16px; border-left: 4px solid var(--accent); background: var(--code); }
@media (max-width: 760px) { .layout { flex-direction: column; } .side { width: auto; padding: 12px 16px 0; } .side ul { position: static; display: flex; flex-wrap: wrap; gap: 4px; } .content { padding: 16px; } }
body.reference .topbar { position: static; }