:root{color-scheme:dark;font-family:system-ui,sans-serif;background:#08090b;color:#e6e8ec}*{box-sizing:border-box}body{margin:0;min-height:100svh;display:grid;place-items:center;padding:24px}main{width:min(100%,380px);padding:28px;border:1px solid #252831;border-radius:20px;background:#111318}.brand{font-weight:800;letter-spacing:.16em;color:#8ba9ca}h1{font-size:28px;margin:16px 0}p{font-size:15px;line-height:1.6;color:#aeb6c2}a{display:block;padding:14px;border:1px solid #3a4555;border-radius:12px;color:#e6e8ec;text-align:center;text-decoration:none;margin-top:24px}a[hidden]{display:none}