body.login-page {
    background: linear-gradient(135deg, #0b1f3a, #102b52, #123d6b);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 20px;
}

.login-box {
    background: #ffffff;
    border-radius: 20px;
    padding: 35px;
    width: 100%;
    max-width: 420px;
    box-shadow: 0 12px 35px rgba(0,0,0,0.25);
}