:root{--bg:#fbfaf7;--fg:#1d1f23;--muted:#5d6370;--line:#e4e1da;--accent:#2f5d8a}
@media (prefers-color-scheme:dark){:root{--bg:#14161a;--fg:#e9e7e2;--muted:#a3a8b2;--line:#2a2e35;--accent:#8db7e0}}
*{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:720px;margin:0 auto;padding:40px 16px 64px}
h1{font-size:1.8rem;line-height:1.25;margin:0 0 4px}
h2{font-size:1.15rem;margin:2rem 0 .5rem}
p,li{color:var(--fg)}
.muted{color:var(--muted);font-size:.92rem}
a{color:var(--accent)}
table{border-collapse:collapse;width:100%;font-size:.92rem;margin:.5rem 0}
th,td{border:1px solid var(--line);padding:6px 8px;text-align:left;vertical-align:top}
header{border-bottom:1px solid var(--line);padding-bottom:16px;margin-bottom:24px}
.brand{font-weight:700;letter-spacing:.02em;text-decoration:none;color:var(--fg)}
@media (max-width:520px){table{display:block;overflow-x:auto}}