basic.expect.css

:root {
	--dark-mode:  ;
}

@media screen and (prefers-color-scheme: dark) {
	:root {
		--dark-mode: initial;
	}
}

.valid {
	--dark-mode--0: var(--dark-mode) white;
	color: var(--dark-mode--0,black);
}

.ignore {
	color: csstools-if(--dark-mode black, red else green, blue);
}