.bg-login-animated {
    background: linear-gradient(-45deg, #FF9030, #FF5E62, #FFB347, #6A11CB);
    background-color: #555555;
    background-size: 400% 400%;
    animation: gradient_login_bg 15s ease infinite;
    height: 100vh;
    position: relative;
    z-index: 0;
}

@keyframes gradient_login_bg {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}