:root{--bg:#ffffff;--fg:#1b1f24;--muted:#4a5560;--accent:#0b5cad;--line:#d5dbe1}
@media (prefers-color-scheme:dark){:root{--bg:#10151a;--fg:#e8edf2;--muted:#aab4be;--accent:#7db8ff;--line:#2a333c}}
*{box-sizing:border-box}html{font-size:100%}
body{margin:0;background:var(--bg);color:var(--fg);font:1rem/1.65 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif}
.skip{position:absolute;left:-999px}.skip:focus{left:1rem;top:1rem;background:var(--bg);padding:.5rem;border:2px solid var(--accent)}
header,main,footer{max-width:46rem;margin:0 auto;padding:1rem 1rem}
header{border-bottom:1px solid var(--line)}header strong{font-size:1.1rem}
nav ul{display:flex;flex-wrap:wrap;gap:.25rem 1.25rem;list-style:none;margin:.5rem 0 0;padding:0}
a{color:var(--accent)}a:focus-visible{outline:3px solid var(--accent);outline-offset:2px}
h1{font-size:1.75rem;line-height:1.25;margin:1.25rem 0 .5rem}h2{font-size:1.2rem;margin:1.75rem 0 .25rem}
.lead{font-size:1.1rem;color:var(--muted)}table{border-collapse:collapse;width:100%;table-layout:fixed}code{overflow-wrap:anywhere}th,td{overflow-wrap:anywhere;border:1px solid var(--line);padding:.4rem .6rem;text-align:left;vertical-align:top}
footer{border-top:1px solid var(--line);color:var(--muted);font-size:.9rem;margin-top:2rem}