:root{--bg:#f6f6f4;--fg:#1c1c1e;--muted:#5f5f66;--line:#dcdcd8;--accent:#3a3a8c;--card:#fff}
@media (prefers-color-scheme:dark){:root{--bg:#141416;--fg:#ececef;--muted:#a0a0a8;--line:#2e2e33;--accent:#9d9dff;--card:#1d1d21}}
*{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}
header{border-bottom:1px solid var(--line);background:var(--card)}
.wrap{max-width:760px;margin:0 auto;padding:0 16px}
header .wrap{display:flex;align-items:center;gap:12px;padding-top:14px;padding-bottom:14px;flex-wrap:wrap}
header img{width:44px;height:44px;border-radius:10px}
header a.brand{font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--fg);text-decoration:none;font-size:14px}
nav{margin-left:auto;display:flex;gap:16px;flex-wrap:wrap;font-size:14px}
a{color:var(--accent)}
main{padding:32px 0 48px}
h1{font-size:28px;line-height:1.25;margin:0 0 8px}
h2{font-size:20px;margin:32px 0 8px}
h3{font-size:16px;margin:20px 0 4px}
.muted{color:var(--muted)}
table{border-collapse:collapse;width:100%;font-size:14px;margin:12px 0}
th,td{border:1px solid var(--line);padding:8px;text-align:left;vertical-align:top}
.card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:16px 20px;margin:16px 0}
footer{border-top:1px solid var(--line);padding:20px 0;font-size:13px;color:var(--muted)}