:root{--bg:#FFFFFF;--fg:#1F2328;--muted:#4A535C;--line:#D0D7DE;--link:#0B5CAD;--head:#F3F5F7}
@media (prefers-color-scheme:dark){:root{--bg:#0D1117;--fg:#E6EDF3;--muted:#A8B3BE;--line:#30363D;--link:#79B8FF;--head:#161B22}}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--fg);font:1rem/1.6 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif}
a{color:var(--link)}
a:focus-visible{outline:3px solid var(--link);outline-offset:2px}
.skip{position:absolute;left:-999px}
.skip:focus{left:1rem;top:1rem;background:var(--bg);padding:.5rem}
header,main,footer{max-width:46rem;margin:0 auto;padding:1rem}
header{border-bottom:1px solid var(--line)}
header a{font-weight:600;text-decoration:none}
h1{font-size:1.75rem;line-height:1.25}
h2{font-size:1.3rem;margin-top:2rem}
h3{font-size:1.1rem}
.meta{color:var(--muted);font-size:.95rem}
.table{overflow-x:auto;margin:1rem 0}
table{border-collapse:collapse;width:100%}
th,td{border:1px solid var(--line);padding:.4rem .6rem;text-align:left;vertical-align:top}
th{background:var(--head)}
code{font-family:ui-monospace,Consolas,monospace;font-size:.95em}
footer{border-top:1px solid var(--line);color:var(--muted);font-size:.9rem}