#spinner-overlay {
	position: fixed;
	top: 0;
	left: 0;
	width: 100vw;
	height: 100vh;
	background: rgba(0, 0, 0, 0.5);
	z-index: 9999;
	display: none; /* Hidden by default */
	align-items: center;
	justify-content: center;
}

.spinner {
	border: 8px solid #f3f3f3;
	border-top: 8px solid #3498db;
	border-radius: 50%;
	width: 80px;
	height: 80px;
	animation: spin 1s linear infinite;
}

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