:root{--bg:#fff;--fg:#172b4d;--muted:#5e6c84;--accent:#0c66e4;--line:#dfe1e6;--code:#f4f5f7}
@media (prefers-color-scheme:dark){:root{--bg:#1d2125;--fg:#dee4ea;--muted:#9fadbc;--accent:#579dff;--line:#38414a;--code:#22272b}}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--fg);font:16px/1.6 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif}
main{max-width:760px;margin:0 auto;padding:32px 16px 64px}nav{display:flex;flex-wrap:wrap;gap:16px;padding:16px;border-bottom:1px solid var(--line);justify-content:center}
nav a{color:var(--muted);text-decoration:none}nav a:hover{color:var(--accent)}a{color:var(--accent)}h1{font-size:2rem;line-height:1.2}h2{margin-top:2em}
code{background:var(--code);padding:2px 5px;border-radius:4px;font-size:.92em;word-break:break-word}pre{background:var(--code);padding:12px;border-radius:6px;overflow-x:auto}
table{border-collapse:collapse;width:100%}td,th{border-bottom:1px solid var(--line);padding:8px;text-align:left;vertical-align:top}.muted{color:var(--muted)}