////
/// @group utilities
////

/// A mixin that overwrites Bootstrap 4's `box-shadow` mixin.
/// @param {Arglist} $shadow

@mixin box-shadow($shadow...) {
	$enable: if(
		variable-exists(enable-shadows),
		$enable-shadows,
		if(variable-exists(cadmin-enable-shadows), $cadmin-enable-shadows, true)
	);

	@if ($enable) {
		@if (
			nth($shadow, 1) !=
				null and
				nth($shadow, 1) !=
				() and
				length($shadow) <=
				1
		) {
			box-shadow: $shadow;
		}
	}
}