:root{--bg:#fbf8f3;--fg:#2b2622;--muted:#6f655c;--accent:#0f6b5c;--card:#fff;--line:#e6dfd5}
@media (prefers-color-scheme:dark){:root{--bg:#1c1a18;--fg:#ece6de;--muted:#a79d92;--accent:#5cc2ad;--card:#262320;--line:#3a3530}}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--fg);font:17px/1.6 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif}
main{max-width:720px;margin:0 auto;padding:32px 16px 64px}
a{color:var(--accent)}
h1{font-size:1.9rem;line-height:1.2;margin:.2em 0}
h2{font-size:1.2rem;margin:1.8em 0 .4em}
.muted{color:var(--muted)}
header.brand{display:flex;align-items:center;gap:14px;margin-bottom:8px}
header.brand img{width:64px;height:64px;border-radius:14px}
header.brand a{text-decoration:none;color:inherit;font-weight:600;font-size:1.2rem}
.card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:16px 20px;margin:16px 0}
ul{padding-left:1.2em}
footer{margin-top:48px;font-size:.9rem;color:var(--muted);border-top:1px solid var(--line);padding-top:16px}
code{font-size:.9em}