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

.vector-page-titlebar {
	position: relative;
	display: flex;
	// T335633 - Although nowrap is default, setting it explicitly to prevent layout issues with ToC & languages button.
	flex-wrap: nowrap;
	// Ensure language button or indicators are positioned to the right even when the title is hidden
	justify-content: flex-end;
	// Use box-shadow instead of border to allow border collapsing between titlebar and toolbar
	// FIXME: Delete box shadow after VectorZebraDesign flag is removed
	box-shadow: 0 1px @border-color-base;
	align-items: center;

	&-blank {
		box-shadow: none;
	}

	.firstHeading {
		flex-grow: 1;
		border: 0;
	}

	.vector-page-titlebar-toc.ve-active {
		display: none !important; /* stylelint-disable-line declaration-no-important */
	}

	> .mw-ui-button {
		font-size: @font-size-base;
		// Removes redundant whitespace (line break) between Icon and Button templates
		display: flex;
		// When labels have multiple words e.g. "Add topic" make sure they do not wrap onto
		// new line. This can happen when editing pages with long titles. e.g. F36867314
		white-space: nowrap;

		// At low resolutions, the rule in core for `.mw-ui-button:not(.mw-ui-icon-element)`
		// interferes with add topic and makes it overlap the language button. e.g. F36867319
		&:not( .mw-ui-icon-element ) {
			min-width: auto;
		}
	}

	> .mw-ui-button,
	> .mw-portlet-lang {
		&:last-child {
			// This number should be synced with the value in:
			// https://github.com/wikimedia/mediawiki/blob/master/resources/src/mediawiki.less/mediawiki.ui/mixins.buttons.less#L33
			margin-right: -12px;
		}
	}
}