*{box-sizing:border-box}body{margin:0;min-height:100vh;display:grid;place-items:center;background:#0f1115;color:#e8e8ea;font:15px system-ui,-apple-system,Segoe UI,sans-serif}
.box{width:min(360px,92vw);display:flex;flex-direction:column;gap:14px;padding:28px;border-radius:16px;background:#181b22;box-shadow:0 10px 40px #0008}
h1{margin:0 0 6px;font-size:22px}label{display:flex;flex-direction:column;gap:6px;font-size:13px;color:#aab}
input{padding:10px 12px;border-radius:10px;border:1px solid #2c313c;background:#0f1115;color:#fff;font-size:15px}
button{margin-top:6px;padding:11px;border:0;border-radius:10px;background:#3b82f6;color:#fff;font-size:15px;cursor:pointer}
.erro{margin:0;padding:10px;border-radius:10px;background:#3b1d1d;color:#ffb4b4;font-size:13px}