:root{--bg:#fbfaf8;--fg:#1d1c1a;--muted:#6b6862;--line:#e6e2dc;--link:#2f5fa7}
@media (prefers-color-scheme:dark){:root{--bg:#161615;--fg:#ecebe8;--muted:#a19d96;--line:#2c2b29;--link:#8fb3ec}}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--fg);font:16px/1.65 -apple-system,BlinkMacSystemFont,"Segoe UI",Helvetica,Arial,sans-serif}
main{max-width:720px;margin:0 auto;padding:56px 20px 72px}
h1{font-size:2rem;line-height:1.2;margin:0 0 .4em}
h2{font-size:1.15rem;margin:2em 0 .5em}
p,li{color:var(--fg)}
.lead{font-size:1.1rem;color:var(--muted)}
a{color:var(--link)}
ul{padding-left:1.2em}
code{font-size:.92em}
footer{border-top:1px solid var(--line);margin-top:56px;padding-top:16px;color:var(--muted);font-size:.9rem}
footer a{color:var(--muted)}