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

// Header sizes defined in the description of T246170 and comment T246170#5957100
@padding-vertical-header: 0.125em;
@margin-top-header: 0.5em;
@margin-bottom-header: 2em;

// Logo sizes per specification in T245190.
@height-logo-icon: 3.125em;

.mw-header {
	// A min-height is set to account for projects where no icon is set.
	min-height: @height-logo-icon;
	padding: 8px 0;
	// Vertical centering of header elements (IE>=11), requires Flexbox.
	.flex-display();
	flex-wrap: nowrap;
	// https://caniuse.com/#search=align-items
	align-items: center;

	// FIXME: Remove mixin when this block is removed.
	.vector-feature-visual-enhancement-next-disabled & {
		.mixin-vector-flush-left-margin-left();
		.mixin-vector-flush-right-margin-right();
	}

	#mw-sidebar-button {
		.vector-feature-visual-enhancement-next-disabled & {
			margin-right: @margin-horizontal-sidebar-button-icon;
		}
	}

	.vector-header-start,
	.vector-header-end {
		display: flex;
		align-items: center;
	}

	.vector-header-start {
		float: left;
	}

	.vector-header-end {
		flex-grow: 1;
	}

	@media ( min-width: @min-width-desktop-wide ) {
		// Ensure search box is aligned with content when search thumbnails or JS is off
		.vector-search-box:not( .vector-search-box-auto-expand-width ),
		html:not( .client-js ) & .vector-search-box {
			padding-left: @size-search-expand;
		}
	}

	@media ( min-width: @min-width-desktop ) {
		.vector-search-box {
			margin-right: @margin-end-search;
		}
	}

	@media ( max-width: @max-width-tablet ) {
		/**
	 	 * Toggles the visibility of the search box at lower resolutions.
		 */
		&.vector-header-search-toggled {
			#mw-sidebar-button,
			.mw-logo,
			.search-toggle {
				display: none;
			}

			.vector-search-box-collapses > div {
				display: block;
			}

			.vector-search-box {
				// T284242#7206507: Widen the suggestion results to the edge of the search
				// button at small resolutions.
				position: relative;
				margin-left: @padding-horizontal-tabs;
				margin-right: @margin-end-search;

				// Override default max width at lower resolutions
				> div {
					max-width: none;
				}
			}

			// Make the menu below the search input wider, to match the width of the input+button
			// rather than just the width of the input
			.cdx-search-input__input-wrapper {
				position: static;
			}

			// Since the end button's corner is now right above the menu's corner, don't use a
			// rounded corner here (T310525)
			.cdx-typeahead-search--expanded .cdx-search-input__end-button {
				border-bottom-right-radius: 0;
			}
		}
	}
}