body{margin:0;background:#0d1425;color:#edf3fa;font:16px system-ui;display:grid;min-height:100vh;place-items:center}main{max-width:380px;margin:24px;padding:40px;background:#152038;border:1px solid #30415d;border-radius:16px}.mark{color:#6ce5c2;font-weight:800;font-size:22px}h1{font-size:28px}p{line-height:1.6;color:#a6b4cd}label{display:block;margin:28px 0 10px}input,button{box-sizing:border-box;width:100%;padding:14px;border:1px solid #45617e;border-radius:8px;font:inherit}input{background:#0d1425;color:white}button{margin-top:18px;background:#77e5c8;color:#071923;cursor:pointer;font-weight:700}.hint{font-size:14px}input:focus,button:focus{outline:3px solid #7fafff;outline-offset:3px}