@layer layout {
	:root {
		--z-index-live-snippet: 1;
		--z-index-toc-show-button: 2;
		--z-index-toc: 3;
		--z-index-tooltip: 9;
		--z-index-header: 1001; /* To be higher than the editor's sticky panel. */
		--z-index-overlay: 1002;
		--z-index-zoom-image-overlay: 1002;
		--z-index-zoom-image: 1003;
	}
}
