:root{color-scheme:dark;font-family:system-ui,sans-serif;background:#0c1020;color:#f0f2ff}*{box-sizing:border-box}body{margin:0;min-height:100vh;display:grid;place-items:center;padding:1rem}.card{width:min(100%,420px);padding:2rem;background:#171e35;border:1px solid #353c59;border-radius:18px}a{color:#a5b4fc}h1{margin:1rem 0}label{display:block;margin:1.1rem 0}input{width:100%;margin-top:.4rem;padding:.85rem;border-radius:8px;border:1px solid #485174;background:#0c1020;color:white}button{width:100%;border:0;border-radius:9px;padding:.9rem;color:white;background:#725cf2;font-weight:bold;cursor:pointer}button:disabled{opacity:.6}#error{color:#ffabb7;min-height:1.5rem}