:root{--bg:#fbfaf7;--fg:#1d1d1b;--muted:#5d5b55;--line:#e3e0d8;--accent:#1f5f5b;--code:#f1efe9;--max:46rem}
@media (prefers-color-scheme:dark){:root{--bg:#141413;--fg:#ecebe6;--muted:#a8a69e;--line:#2e2d2a;--accent:#7fc4bd;--code:#1f1e1c}}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--fg);font:16px/1.6 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif}
header,main,footer{max-width:var(--max);margin:0 auto;padding:0 16px}
header{padding-top:40px;padding-bottom:8px;border-bottom:1px solid var(--line)}
nav{display:flex;gap:20px;font-size:.95rem;margin-top:12px}
nav a{color:var(--muted);text-decoration:none}nav a[aria-current]{color:var(--fg);font-weight:600}
h1{font-size:1.9rem;line-height:1.2;margin:0}
.tag{color:var(--muted);margin:6px 0 0}
h2{font-size:1.25rem;margin:2.2em 0 .5em}
h3{font-size:1.05rem;margin:1.6em 0 .3em}
a{color:var(--accent)}
code,pre{font:.9em/1.5 ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;background:var(--code);border-radius:4px}
code{padding:.1em .3em}
pre{padding:12px 14px;overflow-x:auto}
table{border-collapse:collapse;width:100%;font-size:.95rem;display:block;overflow-x:auto}
th,td{text-align:left;vertical-align:top;padding:6px 10px 6px 0;border-bottom:1px solid var(--line)}
th{font-weight:600}
.note{border-left:3px solid var(--accent);padding:4px 0 4px 14px;margin:1.2em 0}
footer{margin-top:3em;padding-top:16px;padding-bottom:40px;border-top:1px solid var(--line);color:var(--muted);font-size:.9rem}