/* Loading Spinner Overlay */
.loading-spinner {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(255, 255, 255, 0.9); /* Semi-transparent white overlay */
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999; /* Ensure it's on top of everything */
    transition: opacity 0.3s ease;
}

.spinner {
    border: 8px solid var(--border-color); /* Light grey border */
    border-top: 8px solid var(--primary-color); /* Primary color for the spinning part */
    border-radius: 50%;
    width: 60px;
    height: 60px;
    animation: spin 1s linear infinite; /* Spin animation */
}

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