/* assets/custom_spinner.css */
#loading-spinner {
    display: none;
    position: fixed;
    z-index: 999;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

#loading-spinner.visible {
    display: block;
}

.spinner {
    border: 16px solid rgba(243, 243, 243, 0.3); /* Lightly transparent border */
    border-top: 16px solid #3498db; /* Primary color */
    border-radius: 50%;
    width: 120px;
    height: 120px;
    animation: spin 1.5s ease-in-out infinite; /* Smoother and slightly faster animation */
    box-shadow: 0 0 20px rgba(52, 152, 219, 0.5); /* Glow effect matching the primary color */
}

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