mediawiki-skins-Citizen/skinStyles/extensions/Math/ext.math.styles.less

/*
 * Citizen
 *
 * SkinStyles for Extension:Math
 * Module: ext.math.styles
 * Version: REL1_35 b7a7939
 *
 * Date: 2022-08-16
*/

@import '../../../resources/variables.less';

// From https://stackoverflow.com/a/73390109/10624167
.recolor(@color: #333) {
	@r: red(@color) / 255;
	@g: green(@color) / 255;
	@b: blue(@color) / 255;
	@a: alpha(@color);

	// grayscale fallback if SVG from data url is not supported
	@lightness: lightness(@color);
	filter: saturate( 0% ) brightness( 0% ) invert( @lightness ) opacity( @a );

	// color filter
	@svg-filter-id: "recolor";
	filter: url( 'data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg"><filter id="@{svg-filter-id}" color-interpolation-filters="sRGB"><feColorMatrix type="matrix" values="0 0 0 0 @{r} 0 0 0 0 @{g} 0 0 0 0 @{b} 0 0 0 @{a} 0"/></filter></svg> #@{svg-filter-id}' );
}

.skin-citizen-light {
	.mwe-math-fallback-image-display,
	.mwe-math-fallback-image-inline {
		.recolor(@color-base);
	}
}

.skin-citizen-dark {
	.mwe-math-fallback-image-display,
	.mwe-math-fallback-image-inline {
		.recolor(@dark-color-base);
	}
}