resources/src/mediawiki.rcfilters/styles/mw.rcfilters.ui.TagItemWidget.less
@import 'mediawiki.skin.variables.less';
@import 'mw.rcfilters.variables.less';
@import 'mw.rcfilters.mixins.less';

@size-circle: (20 / @font-size-system-ui / @font-size-vector);
@margin-circle: (5 / @font-size-system-ui / @font-size-vector);

.mw-rcfilters-ui-tagItemWidget {
	// Background and color of the capsule widget need a bit
	// more specificity to override OOUI internals
	&.oo-ui-flaggedElement-muted.oo-ui-tagItemWidget.oo-ui-widget-enabled {
		// Muted state
		background-color: @background-color-interactive;
		border-color: @border-color-subtle;

		.oo-ui-labelElement-label {
			color: @color-subtle;
		}

		.oo-ui-buttonWidget {
			opacity: 0.5;
		}
	}

	&.oo-ui-flaggedElement-invalid.oo-ui-tagItemWidget.oo-ui-widget-enabled {
		.oo-ui-labelElement-label {
			// Use `@color-destructive--active` due to TagitemWidget's grey background
			// in order to stay iin WCAG 2.0 level AA contrast ratio requirement.
			color: @color-destructive--active;
		}
	}

	// OOUI classes require super-specificity in order to override
	// the white background
	// The specificity is fixed in the patch: https://gerrit.wikimedia.org/r/#/c/349525/
	// and will be available in the next OOUI release.
	.oo-ui-tagMultiselectWidget.oo-ui-widget-enabled.oo-ui-tagMultiselectWidget-outlined &-selected.oo-ui-tagItemWidget.oo-ui-widget-enabled {
		background-color: @background-color-progressive-subtle;
		border-color: @border-color-progressive--focus;
	}

	&-popup-content {
		padding: 0.5em;
		color: @color-subtle;
	}

	&.oo-ui-labelElement:not( .oo-ui-tagItemWidget-fixed ) .oo-ui-labelElement-label {
		cursor: pointer;
	}

	&-highlight {
		display: none;
		width: 10px;
		margin-right: @margin-circle;

		&-highlighted {
			display: inline-block;
		}

		&::before {
			content: '';
			display: block;
			position: absolute;
			top: 50%;
			.mw-rcfilters-circle( 10px, 10px, ~'-5px 0.5em 0 0' );
		}

		&[ data-color='c1' ]::before {
			.mw-rcfilters-circle-color( @highlight-c1 );
		}

		&[ data-color='c2' ]::before {
			.mw-rcfilters-circle-color( @highlight-c2 );
		}

		&[ data-color='c3' ]::before {
			.mw-rcfilters-circle-color( @highlight-c3 );
		}

		&[ data-color='c4' ]::before {
			.mw-rcfilters-circle-color( @highlight-c4 );
		}

		&[ data-color='c5' ]::before {
			.mw-rcfilters-circle-color( @highlight-c5 );
		}
	}
}
