/**
 * Styling for namespace tabs (page, discussion) and views (read, edit, view history, watch and other actions)
 */

/* Navigation Labels */
div.vectorTabs h3 {
	display: none;
}

/* Namespaces and Views */
div.vectorTabs {
	float: left;
	height: 2.5em;
	.background-image('images/tab-break.png');
	background-position: bottom left;
	background-repeat: no-repeat;
	padding-left: 1px;

	ul {
		float: left;
		height: 100%;
		list-style-type: none;
		list-style-image: none;
		margin: 0;
		padding: 0;
		.background-image('images/tab-break.png');
		background-position: right bottom;
		background-repeat: no-repeat;

		li {
			float: left;
			line-height: 1.125em;
			/* For IE6, overridden later to display:block by modern browsers */
			display: inline-block;
			height: 100%;
			margin: 0;
			padding: 0;
			.background-image('images/tab-normal-fade.png');
			background-position: bottom left;
			background-repeat: repeat-x;
			white-space: nowrap;
		}

		/* IGNORED BY IE6 which doesn't support child selector */
		> li {
			display: block;
		}
	}

	li {
		&.new {
			a,
			a:visited {
				color: #a55858;
			}
		}

		&.selected {
			.background-image('images/tab-current-fade.png');
			a,
			a:visited {
				color: #222;
				text-decoration: none;
			}
		}

		&.icon {
			a {
				background-position: bottom right;
				background-repeat: no-repeat;
			}
		}

		a {
			/* For IE6, overridden later to display:block by modern browsers */
			display: inline-block;
			height: 1.9em;
			padding-left: 0.625em; // equals `8px` at computed `font-size` of `12.8px`
			padding-right: 0.625em;
			color: @menu-link-color;
			cursor: pointer;
			font-size: 0.8em;
		}

		/* Ignored by IE6 which doesn't support child selector */
		> a {
			display: block;
		}
	}

	span {
		display: inline-block;
		.background-image('images/tab-break.png');
		background-position: bottom right;
		background-repeat: no-repeat;
		height: 100%;

		a {
			/* For IE6, overridden later to display:block by modern browsers */
			display: inline-block;
			padding-top: 1.25em;
		}

		/* Ignored by IE6 which doesn't support child selector */
		> a {
			float: left;
			display: block;
		}
	}
}

/* Variants and Actions */
div.vectorMenu {
	direction: ltr;
	float: left;
	cursor: pointer;
	position: relative;
	line-height: 1.125em;
}

div#mw-head div.vectorMenu h3 {
	float: left;
	.background-image('images/tab-break.png');
	background-repeat: no-repeat;
	background-position: bottom right;
	font-size: 1em;
	height: 2.5em;
	// `padding-right` >= `1px` effectively moves the "background border" outside of the element to act like a real
	// border. It is necessary for `div.vectorMenu div.menu` dropdown to align well.
	padding-right: 0.5em; // equals `8px` at computed `font-size` of `14px` as visually harmonically with `padding-left` in `div.vectorMenu h3 span`
	margin-right: -1px;
}

div.vectorMenu h3 {
	span {
		position: relative;
		display: block;
		font-size: 0.8em;
		padding-left: 0.625em;
		padding-top: 1.25em;
		padding-right: 16px;
		font-weight: normal;
		color: #444;

		&:after {
			content: '';
			position: absolute;
			top: 1.25em;
			right: 0;
			bottom: 0;
			left: 0;
			.background-image-svg('images/arrow-down.svg', 'images/arrow-down.png');
			background-position: 100% 50%;
			background-repeat: no-repeat;
			// Modify the color of the image from the default #222 to approx. #444 to match the text.
			opacity: 0.85;
		}
	}

	&:hover span,
	&:focus span {
		color: @content-font-color;

		&:after {
			opacity: 1;
		}
	}
}

div.vectorMenu .vectorMenuCheckbox:checked + h3 span:after {
	transform: scaleY( -1 );
}

div.vectorMenu .vectorMenuCheckbox:focus + h3 {
	// Simulate browser focus ring
	outline: dotted 1px; // Firefox style
	outline: auto -webkit-focus-ring-color; // Webkit style
}

div.vectorMenu div.menu {
	// Match the width of the dropdown "heading" (the tab)
	min-width: 100%;
	position: absolute;
	top: 2.5em;
	left: -1px;
	background-color: @body-background-color;
	border: 1px solid #a2a9b1;
	border-top-width: 0;
	clear: both;
	box-shadow: 0 1px 1px 0 rgba( 0, 0, 0, 0.1 );
	text-align: left;
	display: none;
	// Menus must overlap indicators (z-index: 1) and VisualEditor toolbar (z-index: 2)
	z-index: 2;
}

div.vectorMenu:hover div.menu {
	display: block;
}
// This is in a separate block, so that browsers supporting :hover but not :checked still apply the rule above
// Support: IE8
div.vectorMenu .vectorMenuCheckbox:checked ~ div.menu {
	display: block;
}

div.vectorMenu ul {
	list-style-type: none;
	list-style-image: none;
	padding: 0;
	margin: 0;
	text-align: left;
}

// stylelint-disable selector-no-vendor-prefix, selector-type-no-unknown

/* Fixes old versions of FireFox */
div.vectorMenu ul,
x:-moz-any-link {
	min-width: 5em;
}

/* Returns things back to normal in modern versions of FireFox */
div.vectorMenu ul,
x:-moz-any-link,
x:default {
	min-width: 0;
}

// stylelint-enable selector-no-vendor-prefix, selector-type-no-unknown

div.vectorMenu li {
	padding: 0;
	margin: 0;
	text-align: left;
	line-height: 1em;
}

/* OVERRIDDEN BY COMPLIANT BROWSERS */
div.vectorMenu li a {
	display: inline-block;
	padding: 0.625em;
	white-space: nowrap;
	color: @menu-link-color;
	cursor: pointer;
	font-size: 0.8em;
}

/* IGNORED BY IE6 */
div.vectorMenu li > a {
	display: block;
}

div.vectorMenu li.selected a,
div.vectorMenu li.selected a:visited {
	color: #222;
	text-decoration: none;
}

// Invisible checkbox covering the dropdown menu handle
.vectorMenuCheckbox {
	cursor: pointer;
	position: absolute;
	top: 0;
	left: 0;
	z-index: 1;
	opacity: 0;
	width: 100%;
	height: 100%;
	margin: 0;
	padding: 0;
	// Hide the checkbox completely in browsers that don't support :checked
	display: none;
}

:not( :checked ) > .vectorMenuCheckbox {
	// When the browser supports :checked, display it
	display: block;
}

// Expand vectorMenu as basic tabs in IE6
// (IE6 doesn't support :hover on DIV)
* html div.vectorMenu div.menu {
	display: block;
	position: static;
	border: 0;
}
* html div#mw-head div.vectorMenu h3 {
	display: none;
}
* html div.vectorMenu li {
	float: left;
	line-height: 1.125em;
	border-right: 1px solid #a7d7f9;
}
* html div.vectorMenu li a {
	padding-top: 1.25em;
}

@import 'watchstar.less';
