.trk-3d-viewer {
	position: relative;
	width: 100%;
	max-width: 100%;
	height: var(--trk-3d-height, 480px);
	background: var(--trk-3d-bg, #f5f5f5);
	border-radius: 4px;
	overflow: hidden;
	margin: 0 0 1.5rem;
}

.trk-3d-viewer__canvas-wrap {
	position: absolute;
	inset: 0;
	width: 100%;
	height: 100%;
}

.trk-3d-viewer__canvas {
	display: block;
	width: 100%;
	height: 100%;
	touch-action: none;
	cursor: grab;
}

.trk-3d-viewer__canvas:active {
	cursor: grabbing;
}

.trk-3d-viewer__loader {
	position: absolute;
	inset: 0;
	display: flex;
	flex-direction: column;
	align-items: center;
	justify-content: center;
	gap: 0.75rem;
	background: var(--trk-3d-bg, #f5f5f5);
	z-index: 2;
	transition: opacity 0.2s ease;
}

/* Molti temi ignorano l'attributo [hidden] — nascondiamo anche via classe */
.trk-3d-viewer__loader[hidden],
.trk-3d-viewer--ready .trk-3d-viewer__loader {
	display: none !important;
	visibility: hidden !important;
	opacity: 0 !important;
	pointer-events: none !important;
}

.trk-3d-viewer__spinner {
	width: 36px;
	height: 36px;
	border: 3px solid rgba(0, 0, 0, 0.12);
	border-top-color: rgba(0, 0, 0, 0.55);
	border-radius: 50%;
	animation: trk-3d-spin 0.8s linear infinite;
}

.trk-3d-viewer__loader-text {
	font-size: 0.875rem;
	color: #444;
}

.trk-3d-viewer__error {
	position: absolute;
	inset: 0;
	display: flex;
	align-items: center;
	justify-content: center;
	padding: 1rem;
	text-align: center;
	background: var(--trk-3d-bg, #f5f5f5);
	z-index: 3;
}

.trk-3d-viewer__error[hidden] {
	display: none !important;
}

.trk-3d-viewer__config {
	display: none !important;
}

.trk-3d-viewer__notice {
	padding: 0.75rem 1rem;
	background: #f0f0f1;
	border-left: 4px solid #2271b1;
	margin: 0 0 1rem;
}

@keyframes trk-3d-spin {
	to {
		transform: rotate(360deg);
	}
}

@media (prefers-reduced-motion: reduce) {
	.trk-3d-viewer__spinner {
		animation: none;
		border-top-color: rgba(0, 0, 0, 0.35);
	}
}