body{background:#0f1824;color:#e8f1ff;font-family:Inter,system-ui,Arial}.card{max-width:480px;margin:8vh auto;background:#111a28;padding:24px 28px;border-radius:14px;box-shadow:0 8px 40px rgba(0,0,0,.45)}h1{font-size:22px;text-align:center;margin:8px 0 18px}.logo{display:block;margin:0 auto 6px;height:54px}label{display:block;margin:8px 0 6px;color:#a9c0e8}input{width:100%;padding:10px 12px;border:1px solid #24344d;background:#0b1421;color:#fff;border-radius:8px}button{width:100%;padding:10px 12px;margin-top:14px;background:#1199ff;border:0;border-radius:8px;color:#fff;font-weight:600}.err{color:#ff6b6b;text-align:center;margin-top:10px}