.overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.8); /* Semi-transparent white background */
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999; /* Ensures it appears on top */
    display: none; /* Hidden by default */
}

.loader {
    border: 8px solid #c0392b; /* Border color */
    border-top: 8px solid #fff; /* Top color for contrast */
    border-radius: 50%;
    width: 60px; /* Size of the loader */
    height: 60px; /* Size of the loader */
    animation: spin 1s linear infinite; /* Spin animation */
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}