:root{--bg:#ffffff;--fg:#1a1a1a;--muted:#555555;--line:#e5e5e5;--link:#0a5bd3}
@media (prefers-color-scheme:dark){:root{--bg:#121212;--fg:#eaeaea;--muted:#a0a0a0;--line:#2a2a2a;--link:#7ab3ff}}
body{margin:0;background:var(--bg);color:var(--fg);font:16px/1.6 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif}
main{max-width:42rem;margin:0 auto;padding:2rem 1rem 4rem}
nav{display:flex;gap:1.25rem;flex-wrap:wrap;padding-bottom:1rem;border-bottom:1px solid var(--line);margin-bottom:2rem}
nav strong{margin-right:auto}
a{color:var(--link)}
h1{font-size:1.75rem;margin:0 0 .5rem}
h2{font-size:1.2rem;margin-top:2rem}
.muted{color:var(--muted)}
table{border-collapse:collapse;width:100%;margin:1rem 0}
td,th{text-align:left;vertical-align:top;padding:.4rem .5rem;border-bottom:1px solid var(--line)}
footer{margin-top:3rem;padding-top:1rem;border-top:1px solid var(--line);font-size:.9rem;color:var(--muted)}