:root{--bg:#fff;--fg:#1d2330;--muted:#5d6675;--line:#dde2ea;--code:#f4f6f9;--accent:#1f6feb}
@media (prefers-color-scheme:dark){:root{--bg:#0f1318;--fg:#e3e7ee;--muted:#9aa4b2;--line:#2a313b;--code:#171c23;--accent:#58a6ff}}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--fg);font:16px/1.6 system-ui,-apple-system,"Segoe UI",sans-serif}
header{display:flex;flex-wrap:wrap;gap:12px 20px;align-items:center;padding:12px 16px;border-bottom:1px solid var(--line)}
header .home{font-weight:700;color:var(--fg);text-decoration:none}header nav{display:flex;flex-wrap:wrap;gap:16px}
main{max-width:960px;margin:0 auto;padding:16px}footer{max-width:960px;margin:32px auto;padding:16px;color:var(--muted);font-size:14px;border-top:1px solid var(--line)}
a{color:var(--accent)}h1,h2,h3{line-height:1.25}h2{margin-top:2em;padding-top:.5em;border-top:1px solid var(--line)}
code{background:var(--code);padding:.1em .3em;border-radius:4px;font:14px/1.5 ui-monospace,Consolas,monospace}
pre{background:var(--code);padding:12px;border-radius:6px;overflow-x:auto}pre code{padding:0;background:none}
table{border-collapse:collapse;display:block;overflow-x:auto;max-width:100%;font-size:14px}th,td{border:1px solid var(--line);padding:4px 8px;text-align:left;vertical-align:top}
blockquote{margin:0;padding:0 1em;color:var(--muted);border-left:3px solid var(--line)}