#quiz-chart-container {
	position: fixed;
	top: 50%;
	left: 50%;
	transform: translate(-50%, -50%) scale(0.8);
	width: 70vw;
	height: 70vh;
	max-width: 900px;
	max-height: 600px;
	background: rgba(40, 42, 54, 0.98);
	border-radius: 16px;
	padding: 30px;
	box-shadow: 0 8px 40px rgba(0, 0, 0, 0.5);
	z-index: 2000;
	opacity: 0;
	visibility: hidden;
	transition: opacity 0.3s ease, transform 0.3s ease, visibility 0.3s;
}

#quiz-chart-container.visible {
	opacity: 1;
	visibility: visible;
	transform: translate(-50%, -50%) scale(1);
}