*{box-sizing:border-box}body{background:#f8f8f8;margin:0;font-family:system-ui,-apple-system,sans-serif}div{background:#fff;border-radius:8px;max-width:400px;margin:4rem auto;padding:2rem;box-shadow:0 1px 3px #0000001a}h1{margin-bottom:1.5rem;font-size:1.5rem}form div{max-width:none;box-shadow:none;background:0 0;flex-direction:column;margin:0 0 1rem;padding:0;display:flex}label{color:#333;margin-bottom:.25rem;font-size:.875rem;font-weight:500}input{border:1px solid #ccc;border-radius:6px;padding:.6rem;font-size:1rem}button{color:#fff;cursor:pointer;background:#111;border:none;border-radius:6px;width:100%;margin-top:.5rem;padding:.6rem;font-size:1rem;font-weight:600}button:hover{background:#333}button:disabled{cursor:not-allowed;background:#999}a{color:#111}:root{box-sizing:border-box}body{margin:0;padding:0}