:root{--bg:#FFFFFF;--ink:#0F1417;--muted:#5B6670;--line:#E3E7EA;--accent:#0F6E66;--soft:#E1F1EF;color-scheme:light}
@media (prefers-color-scheme:dark){:root{--bg:#0F1316;--ink:#E9EDF0;--muted:#9AA5AF;--line:#262E35;--accent:#4DB3A8;--soft:#143330;color-scheme:dark}}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);font-family:"Plus Jakarta Sans",system-ui,-apple-system,"Segoe UI",sans-serif;font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased}
header{border-bottom:1px solid var(--line)}
.bar{max-width:760px;margin:0 auto;padding:16px 20px;display:flex;align-items:center;justify-content:space-between;gap:12px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;color:var(--ink);text-decoration:none}
.brand span{width:34px;height:34px;border-radius:10px;background:var(--accent);display:grid;place-items:center}
.brand svg{width:20px;height:20px}
.back{font-weight:700;color:var(--accent);text-decoration:none;font-size:15px}
main{max-width:760px;margin:0 auto;padding:28px 20px 56px}
h1{font-size:34px;line-height:1.1;letter-spacing:-.02em;margin:0 0 6px}
h2{font-size:21px;margin:34px 0 8px;letter-spacing:-.01em}
h3{font-size:17px;margin:22px 0 6px}
p,li{max-width:66ch}
.updated{color:var(--muted);font-size:14px;margin-bottom:24px}
.lead{font-size:18px}
.box{background:var(--soft);border-radius:14px;padding:14px 18px;margin:18px 0}
table{border-collapse:collapse;width:100%;font-size:15px;margin:10px 0}
th,td{border-top:1px solid var(--line);padding:9px 10px;text-align:left;vertical-align:top}
thead th{border-top:0;font-size:13px;color:var(--muted);text-transform:uppercase;letter-spacing:.04em}
a{color:var(--accent)}
footer{border-top:1px solid var(--line);padding:20px;text-align:center;font-size:14px;color:var(--muted)}
footer a{color:var(--muted);margin:0 8px;font-weight:700;text-decoration:none}
@media (max-width:520px){h1{font-size:28px}table{font-size:14px}}
.brand,.back{white-space:nowrap}
@media (max-width:420px){.back{font-size:14px}.brand{font-size:15px}}