*{box-sizing:border-box}html,body{margin:0;min-height:100%;font-family:system-ui,-apple-system,"Segoe UI",sans-serif;background:#0b1020;color:#eef2ff}.auth-shell{min-height:100vh;display:grid;place-items:center;padding:20px}.auth-card{width:min(430px,100%);background:#131a2d;border:1px solid #263250;border-radius:18px;padding:28px;box-shadow:0 20px 60px #0007}.brand{font-weight:800;font-size:18px;color:#9cc2ff}.auth-card h1{margin:12px 0 8px;font-size:28px}.muted{color:#aab6ce;line-height:1.6}label{display:block;margin:16px 0 7px;color:#cbd5e1;font-size:14px}input{width:100%;margin-top:7px;padding:13px 14px;border-radius:10px;border:1px solid #34415f;background:#0d1425;color:#fff;font-size:16px;outline:none}input:focus{border-color:#6ea8ff}button{width:100%;margin-top:20px;padding:13px;border:0;border-radius:10px;background:#4f8cff;color:#fff;font-weight:800;font-size:16px}.msg{min-height:24px;margin-top:14px;color:#ffd08a}.foot{text-align:center;color:#aab6ce}.foot a,.msg a{color:#8bb5ff}@media(max-width:520px){.auth-shell{padding:12px}.auth-card{padding:22px 18px;border-radius:14px}.auth-card h1{font-size:24px}}