:root{font-family:"Segoe UI",Arial,sans-serif;color:#17314c;background:#102641;font-size:16px}body{margin:0;min-height:100vh;display:grid;place-items:center;padding:24px;box-sizing:border-box}main{background:white;border-radius:16px;padding:40px;width:100%;max-width:410px;box-sizing:border-box;box-shadow:0 20px 80px #0004}h1{font-size:28px;margin:0 0 6px}h2{font-size:18px;color:#217d82;font-weight:500;margin:0 0 28px}p{color:#5d6e83;line-height:1.6;font-size:14px}form{display:grid;gap:12px;margin:24px 0}input,button{font:inherit;padding:13px;border-radius:7px}input{min-width:0;border:1px solid #adbed1}button{color:white;background:#173c63;border:0;cursor:pointer;font-weight:600}button:hover{background:#245b8c}:focus-visible{outline:3px solid #49a5ff;outline-offset:3px}[role=alert]{color:#a42525;background:#fff0f0;padding:12px;border-radius:6px}@media(max-width:480px){main{padding:26px}body{padding:16px}}