:root{--bg:#0b0f0d;--card:#141a17;--line:#233029;--fg:#f2f6f3;--muted:#93a49b;--accent:#22c55e}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--fg);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;line-height:1.6;-webkit-font-smoothing:antialiased;padding:32px calc(20px + env(safe-area-inset-right)) calc(40px + env(safe-area-inset-bottom)) calc(20px + env(safe-area-inset-left))}main{max-width:640px;margin:0 auto}h1{font-size:28px;letter-spacing:-.02em;margin:0 0 4px}h2{font-size:19px;margin:32px 0 8px}p,li{color:var(--muted);font-size:15px}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}.card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:20px 22px;margin-top:16px}.back{display:inline-block;margin-bottom:20px;font-size:14px}.muted{color:#5d6d64;font-size:13px;margin-top:40px}@media (prefers-color-scheme: light){:root{--bg:#f4f6f5;--card:#fff;--line:#e3e8e5;--fg:#101512;--muted:#67766d}}