prefers-reduced-motion

Add back the root crossfade and remove everything else.

@media (prefers-reduced-motion) {
	:root {
		view-transition-name: root;

		&::view-transition-new(root),
		&::view-transition-old(root) {
			animation-duration: inherit;
			animation-fill-mode: inherit;
		}

		&::view-transition-new(root) {
			animation-name: -ua-view-transition-fade-in,
				-ua-mix-blend-mode-plus-lighter;
		}
		&::view-transition-old(root) {
			animation-name: -ua-view-transition-fade-out,
				-ua-mix-blend-mode-plus-lighter;
		}

		& * {
			view-transition-name: none;
		}
	}
}