:root{--fg:#1d2330;--muted:#5f6b7a;--bg:#ffffff;--link:#0b62c4;--line:#e6e9ee}
@media (prefers-color-scheme:dark){:root{--fg:#e7eaef;--muted:#9aa5b4;--bg:#12161d;--link:#6fb0ff;--line:#2a313c}}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--fg);font-family:system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;line-height:1.65}
main{max-width:860px;margin:0 auto;padding:32px 16px 64px}
h1{margin:.2em 0 .1em;border-bottom:1px solid var(--line);padding-bottom:10px}
h2{margin-top:2em;font-size:1.2rem}
a{color:var(--link)}
.muted{color:var(--muted)}
ul{padding-left:1.3em}
footer{margin-top:48px;padding-top:16px;border-top:1px solid var(--line);color:var(--muted);font-size:.9rem}
.warning{background:#fff4e5;border:1px solid #ffd59e;border-radius:8px;padding:14px 16px;margin:20px 0}
@media (prefers-color-scheme:dark){.warning{background:#3a2a12;border-color:#7a5520}}