:root{color-scheme:light dark;--bg:#fafaf9;--fg:#1c1917;--muted:#57534e;--accent:#f97316;--card:#fff;--line:#e7e5e4}
@media (prefers-color-scheme:dark){:root{--bg:#0c0a09;--fg:#e7e5e4;--muted:#a8a29e;--card:#1c1917;--line:#292524}}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--fg);font:16px/1.65 ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,sans-serif}
main{max-width:42rem;margin:0 auto;padding:2.5rem 1.25rem 4rem}
header{display:flex;align-items:center;gap:.75rem;margin-bottom:2rem}
header img{width:44px;height:44px;border-radius:10px}
header a{color:var(--fg);font-weight:800;font-size:1.4rem;text-decoration:none}
h1{font-size:2rem;line-height:1.2;margin:0 0 .5rem}
h2{font-size:1.15rem;margin:2rem 0 .4rem}
p,li{color:var(--fg)}
.muted{color:var(--muted)}
a{color:var(--accent)}
ul{padding-left:1.2rem}
.card{background:var(--card);border:1px solid var(--line);border-radius:1rem;padding:1rem 1.25rem;margin:1rem 0}
footer{margin-top:3rem;color:var(--muted);font-size:.9rem}