@import '../../minerva.less/minerva.variables';
@import '../../minerva.less/minerva.mixins';

.heading-holder {
	padding: @titleSectionSpacingTop 0 0;
	position: relative;

	.tagline {
		color: @colorGray5;
		font-size: @taglineFontSize;
	}
}

.page-heading {
	margin-bottom: 12px;
}

// used to disable the languages icon.
.mw-ui-icon-element.disabled {
	cursor: default;
	opacity: 0.25;
}

#page-actions {
	position: relative;
}

.page-actions-menu {
	.box-sizing( border-box );
	border-top: 1px solid @colorGray14;
	border-bottom: 1px solid @colorGray12;
}

.page-actions-menu__list {
	display: flex;
	justify-content: space-between;
	height: @pageActionToolbarHeight;
}

.page-actions-menu__list-item {
	display: flex;
	flex-basis: 4em;
	justify-content: flex-end;
	align-items: center;

	// overriding default icon styles
	.mw-ui-icon-element {
		// The page actions menu icons are ever so slightly larger
		// than standard icons.
		@pageActionsIconSize: @iconSize + 0.15;
		// explicitly added to ensure this element (which is an anchor) receives width/height
		// when it's viewed in services that manipulate DOM such as Google Translate.
		display: block;
		position: relative;
		min-width: @pageActionsIconSize;
		width: @pageActionsIconSize;
		height: @pageActionsIconSize;

		&:hover {
			box-shadow: none;
		}

		&:before {
			margin: 0;
			// `.mw-ui-icon` absolutely positions this pseudo-element but only
			// positions right & left. This ensures icon stretches 100% height and
			// stretches the entire height of its parent element.
			top: 0;
			bottom: 0;
		}
	}
}

.minerva--amc-enabled .page-actions-menu__list-item {
	flex-basis: auto;
}

// Layout for less than 5 items - one item at the beginning, rest at the end.
// |1-----2--3--4|
.page-actions-menu__list-item:first-child {
	flex-grow: 1;
	justify-content: flex-start;
}

// When AMC is enabled, space all items equally.
.minerva--amc-enabled .page-actions-menu__list-item:first-child {
	flex-grow: 0;
}

#toolbar-overflow-menu__checkbox {
	// Always occlude the checkbox. The checkbox display cannot be none since its focus state is used
	// for other selectors.
	position: absolute;
	z-index: @z-indexOccluded;
	opacity: 0;
}

.toolbar-overflow-menu__button {
	// Use the hand icon for the overflow button which is actually a checkbox label.
	cursor: pointer;
}

#toolbar-overflow-menu__checkbox:focus + .toolbar-overflow-menu__button {
	// The overflow button / label itself cannot receive focus but the underlying checkbox can. Keep
	// the button and checkbox focus presentation in sync. From
	// resources/src/mediawiki.toc.styles/screen.less.
	outline: dotted 1px; /* Firefox style for focus */
	outline: auto @colorProgressiveHighlight; /* Webkit style for focus */
}

.touch-events #toolbar-overflow-menu__checkbox:focus + .toolbar-overflow-menu__button {
	// Buttons have no focus outline on mobile.
	outline: 0;
}

.toolbar-overflow-menu__list {
	// The top of the menu is flush with the bottom of the page actions toolbar.
	position: absolute;
	top: 100%;
	right: 0;
	//
	// A variable max-height is set in JavaScript so a minimum height is needed.
	min-height: 200px;
	//
	// If the height exceeds the maximum allowed, add a vertical scrollbar.
	overflow-y: auto;
	//
	// The menu floats over content but below overlays.
	z-index: @z-indexDrawer;
	//
	font-size: @pageActionFontSize;
	font-weight: bold;
	background: @skinContentBgColor;
	box-shadow: 0 5px 17px 0 rgba( 0, 0, 0, 0.24 ), 0 0 1px @colorGray10;
	border-radius: @borderRadius;
	//
	visibility: hidden;
	opacity: 0;
	transform: translateY( -8px );

	// Animate menu visibility, opacity, and translation changes in and out. Visibility must be
	// animated since it's a boolean and nothing can be seen in display hidden. Visibility itself
	// cannot be animated as it causes a flash on page load in Chromium due to
	// https://bugs.chromium.org/p/chromium/issues/detail?id=332189. The effect is that the menu is
	// animated in but not animated out.
	.transition( opacity .1s ease-in-out, transform .1s ease-in-out; );
}

.toolbar-overflow-menu__list-item {
	// Fill the list item cell.
	.box-sizing( border-box );
	display: inline-block;
	width: 100%;
	//
	padding: 1em;
	white-space: nowrap;
	// Left-align text. Button elements are centered.
	text-align: left;
	//
	color: @grayMediumDark;

	&:visited, &:active {
		// Visited and active links need extra specificity.
		color: @grayMediumDark;
	}
	//
	// Make the app feel like an app, not a JPEG. When hovering over a menu item, add a little
	// interactivity.
	&:hover {
		text-decoration: none;
		background: @grayLightest;
	}
}

#toolbar-overflow-menu__checkbox:checked ~ .toolbar-overflow-menu__list {
	// Reveal the overflow menu when checked.
	visibility: visible;
	opacity: 1;
	transform: translateY( 0 );
}

// overriding common.less `display:inherit` (which causes `display: flex;` in this instance).
.client-js .jsonly#ca-watch {
	display: list-item;
}

// Watchstar is hidden for anonymous no-js users
// While we could link the icon to the login/signup form, this is not
// a perfect experience and could be confusing.
// In JavaScript this icon will be converted to a watch icon and will point
// to a Call to action to sign up/login and explain why that's a good idea.
// Thus, anonymous users without JS will never see this icon.
// This is a small % of our users, so deemed okay.
.client-nojs {
	.watch-this-article {
		visibility: hidden;
	}

	.is-authenticated {
		.watch-this-article {
			visibility: visible;
		}
	}
}

// On small devices that don't support Javascript, hide the page actions bar
@media all and ( max-width: @width-breakpoint-mobile - 1 ) {
	.client-nojs {
		#page-actions {
			display: none;
		}

		#section_0 {
			border: 0;
		}
	}
}