#loading-spinner {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.8);
    display: none; /* Hidden by default */
    justify-content: center;
    align-items: center;
    z-index: 9999;
}

.spinner {
    width: 40px;
    height: 40px;
    border: 6px solid #f3f3f3;
    border-top: 6px solid #2d95da;
    border-radius: 50%;
    animation: spin 1.7s linear infinite;
}

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