:root{--bg:#0b1020;--card:#131a2e;--text:#e9eefc;--muted:#9fb0d6;--accent:#5b8cff;--ok:#2ecc71;--err:#ff5f6d}
*{box-sizing:border-box}body{margin:0;font-family:Inter,system-ui,Arial;background:linear-gradient(135deg,#0b1020,#121a33);color:var(--text);min-height:100vh;display:grid;place-items:center}
.card{width:min(420px,92vw);background:rgba(19,26,46,.92);backdrop-filter:blur(8px);padding:28px;border-radius:16px;box-shadow:0 20px 60px rgba(0,0,0,.35)}
h1{margin:0 0 8px;font-size:24px}.muted{color:var(--muted);margin-bottom:20px}
label{display:block;margin:10px 0 6px;color:var(--muted);font-size:14px}
input{width:100%;padding:12px;border-radius:10px;border:1px solid #2d3a63;background:#0e1529;color:var(--text);outline:none}
input:focus{border-color:var(--accent)}
button{margin-top:14px;width:100%;padding:12px;border:none;border-radius:10px;background:var(--accent);color:#fff;font-weight:600;cursor:pointer}
button:hover{filter:brightness(1.08)}
.row{margin-top:14px;text-align:center}.row a{color:#9db8ff;text-decoration:none}
.msg{min-height:22px;margin-top:12px;font-size:14px}.ok{color:var(--ok)}.err{color:var(--err)}