:root {
	--z-base: 0; --z-sticky: 20; --z-dropdown: 30; --z-tooltip: 40; --z-dialog: 60; --z-toast: 80;
	--scrim: rgba(36, 39, 44, .45);
	--icon-xs: 13px; --icon-sm: 15px; --icon-md: 17px; --icon-lg: 19px; --icon-xl: 22px;
	--nudge-optical: 2px;

	/* A marker drawn from the icon set, for a bullet that has to take a colour of its
	   own. Used as a mask, so the shape is the alpha and the colour is the background. */
	--mark-check: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M20 6 9 17l-5-5'/%3E%3C/svg%3E");
}