.login-body {
    background: linear-gradient(45deg, #cc0000, #e65b50, #990000, #e65b50, #cc0000);
    background-size: 200% 200%;
    animation: gradientAnimation 10s ease infinite;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    margin: 0;
    font-family: Arial, sans-serif;
    position: relative;
    overflow: hidden;
}

.login-body::before {
    content: '';
    position: absolute;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(230, 91, 80, 0.5), transparent 70%);
    opacity: 0.7;
    animation: lightCircle 15s linear infinite;
    pointer-events: none;
}

@keyframes gradientAnimation {
    0% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
    100% {
        background-position: 0% 50%;
    }
}

@keyframes lightCircle {
    0% {
        transform: translate(-50%, -50%) rotate(0deg) translateX(50vw);
        opacity: 0.7;
    }
    50% {
        opacity: 0.3;
    }
    100% {
        transform: translate(-50%, -50%) rotate(360deg) translateX(50vw);
        opacity: 0.7;
    }
}