/* CSS for UI elements (a.k.a. chrome) */

@import 'variables.css';

::-webkit-scrollbar {
	background: var(--bg);
}
::-webkit-scrollbar-thumb {
	background: var(--scrollbar);
}
html {
	scrollbar-color: var(--scrollbar) var(--bg);
}
#searchresults a,
.content a:link,
a:visited,
a > .hljs {
	color: var(--links);
}

/* Menu Bar */

#menu-bar,
#menu-bar-hover-placeholder {
	z-index: 101;
	margin: auto calc(0px - var(--page-padding));
}
#menu-bar {
	position: relative;
	display: flex;
	flex-wrap: wrap;
	background-color: var(--bg);
	border-bottom-color: var(--bg);
	border-bottom-width: 1px;
	border-bottom-style: solid;
}
#menu-bar.sticky,
.js #menu-bar-hover-placeholder:hover + #menu-bar,
.js #menu-bar:hover,
.js.sidebar-visible #menu-bar {
	position: -webkit-sticky;
	position: sticky;
	top: 0 !important;
}
#menu-bar-hover-placeholder {
	position: sticky;
	position: -webkit-sticky;
	top: 0;
	height: var(--menu-bar-height);
}
#menu-bar.bordered {
	border-bottom-color: var(--table-border-color);
}
#menu-bar i, #menu-bar .icon-button {
	position: relative;
	padding: 0 8px;
	z-index: 10;
	line-height: var(--menu-bar-height);
	cursor: pointer;
	transition: color 0.5s;
}
@media only screen and (max-width: 420px) {
	#menu-bar i, #menu-bar .icon-button {
		padding: 0 5px;
	}
}

.icon-button {
	border: none;
	background: none;
	padding: 0;
	color: inherit;
}
.icon-button i {
	margin: 0;
}

.right-buttons {
	margin: 0 15px;
}
.right-buttons a {
	text-decoration: none;
}

.left-buttons {
	display: flex;
	margin: 0 5px;
}
.no-js .left-buttons {
	display: none;
}

.menu-title {
	display: inline-block;
	font-weight: 200;
	font-size: 2.4rem;
	line-height: var(--menu-bar-height);
	text-align: center;
	margin: 0;
	flex: 1;
	white-space: nowrap;
	overflow: hidden;
	text-overflow: ellipsis;
}
.js .menu-title {
	cursor: pointer;
}

.menu-bar,
.menu-bar:visited,
.nav-chapters,
.nav-chapters:visited,
.mobile-nav-chapters,
.mobile-nav-chapters:visited,
.menu-bar .icon-button,
.menu-bar a i {
	color: var(--icons);
}

.menu-bar i:hover,
.menu-bar .icon-button:hover,
.nav-chapters:hover,
.mobile-nav-chapters i:hover {
	color: var(--icons-hover);
}

/* Nav Icons */

.nav-chapters {
	font-size: 2.5em;
	text-align: center;
	text-decoration: none;

	position: fixed;
	top: 0;
	bottom: 0;
	margin: 0;
	max-width: 150px;
	min-width: 90px;

	display: flex;
	justify-content: center;
	align-content: center;
	flex-direction: column;

	transition: color 0.5s, background-color 0.5s;
}

.nav-chapters:hover {
	text-decoration: none;
	transition: color 0.15s, color 0.15s;
}

.nav-wrapper {
	margin-top: 50px;
	display: none;
}

.mobile-nav-chapters {
	font-size: 2.5em;
	text-align: center;
	text-decoration: none;
	width: 90px;
	border-radius: 5px;
	background-color: var(--sidebar-bg);
}

.previous {
	float: left;
}

.next {
	float: right;
	right: var(--page-padding);
}

@media only screen and (max-width: 1080px) {
	.nav-wide-wrapper { display: none; }
	.nav-wrapper { display: block; }
}

@media only screen and (max-width: 1380px) {
	.sidebar-visible .nav-wide-wrapper { display: none; }
	.sidebar-visible .nav-wrapper { display: block; }
}

/* Inline code */

:not(pre) > .hljs {
	display: inline;
	padding: 0.1em 0.3em;
	border-radius: 3px;
}

:not(pre):not(a) > .hljs {
	color: var(--inline-code-color);
	overflow-x: initial;
}

a:hover > .hljs {
	text-decoration: underline;
}

pre {
	position: relative;
}
pre > .buttons {
	position: absolute;
	z-index: 100;
	right: 5px;
	top: 5px;

	color: var(--sidebar-fg);
	cursor: pointer;
}
pre > .buttons :hover {
	color: var(--sidebar-active);
}
pre > .buttons i {
	margin-left: 8px;
}
pre > .buttons button {
	color: inherit;
	background: transparent;
	border: none;
	cursor: inherit;
}
pre > .result {
	margin-top: 10px;
}

/* Search */

#searchresults a {
	text-decoration: none;
}

mark {
	border-radius: 2px;
	padding: 0 3px 1px 3px;
	margin: 0 -3px -1px -3px;
	background-color: var(--search-mark-bg);
	transition: background-color 300ms linear;
	cursor: pointer;
}

mark.fade-out {
	background-color: rgba(0,0,0,0) !important;
	cursor: auto;
}

.searchbar-outer {
	margin-left: auto;
	margin-right: auto;
	max-width: var(--content-max-width);
}

#searchbar {
	width: 100%;
	margin: 5px auto 0px auto;
	padding: 10px 16px;
	transition: box-shadow 300ms ease-in-out;
	border: 1px solid var(--searchbar-border-color);
	border-radius: 3px;
	background-color: var(--searchbar-bg);
	color: var(--searchbar-fg);
}
#searchbar:focus,
#searchbar.active {
	box-shadow: 0 0 3px var(--searchbar-shadow-color);
}

.searchresults-header {
	font-weight: bold;
	font-size: 1em;
	padding: 18px 0 0 5px;
	color: var(--searchresults-header-fg);
}

.searchresults-outer {
	margin-left: auto;
	margin-right: auto;
	max-width: var(--content-max-width);
	border-bottom: 1px dashed var(--searchresults-border-color);
}

ul#searchresults {
	list-style: none;
	padding-left: 20px;
}
ul#searchresults li {
	margin: 10px 0px;
	padding: 2px;
	border-radius: 2px;
}
ul#searchresults li.focus {
	background-color: var(--searchresults-li-bg);
}
ul#searchresults span.teaser {
	display: block;
	clear: both;
	margin: 5px 0 0 20px;
	font-size: 0.8em;
}
ul#searchresults span.teaser em {
	font-weight: bold;
	font-style: normal;
}

/* Sidebar */

.sidebar {
	position: fixed;
	left: 0;
	top: 0;
	bottom: 0;
	width: var(--sidebar-width);
	font-size: 0.875em;
	box-sizing: border-box;
	-webkit-overflow-scrolling: touch;
	overscroll-behavior-y: contain;
	background-color: var(--sidebar-bg);
	color: var(--sidebar-fg);
}
.sidebar-resizing {
	-moz-user-select: none;
	-webkit-user-select: none;
	-ms-user-select: none;
	user-select: none;
}
.js:not(.sidebar-resizing) .sidebar {
	transition: transform 0.3s; /* Animation: slide away */
}
.sidebar code {
	line-height: 2em;
}
/* .sidebar .sidebar-scrollbox {
	overflow-y: auto;
	position: absolute;
	top: 0;
	bottom: 0;
	left: 0;
	right: 0;
	padding: 10px 10px;
} */
.sidebar .sidebar-resize-handle {
	position: absolute;
	cursor: col-resize;
	width: 0;
	right: 0;
	top: 0;
	bottom: 0;
}
.js .sidebar .sidebar-resize-handle {
	cursor: col-resize;
	width: 5px;
}
.sidebar-hidden .sidebar {
	transform: translateX(calc(0px - var(--sidebar-width)));
}
.sidebar::-webkit-scrollbar {
	background: var(--sidebar-bg);
}
.sidebar::-webkit-scrollbar-thumb {
	background: var(--scrollbar);
}

.chapter {
	list-style: none outside none;
	padding-left: 0;
	line-height: 2.2em;
}

.chapter ol {
	width: 100%;
}

.chapter li {
	display: flex;
	color: var(--sidebar-non-existant);
}
.chapter li a {
	display: block;
	padding: 0;
	text-decoration: none;
	color: var(--sidebar-fg);
}

.chapter li a:hover {
	color: var(--sidebar-active);
}

.chapter li a.active {
	color: var(--sidebar-active);
}

.chapter li > a.toggle {
	cursor: pointer;
	display: block;
	margin-left: auto;
	padding: 0 10px;
	user-select: none;
	opacity: 0.68;
}

.chapter li > a.toggle div {
	transition: transform 0.5s;
}

/* collapse the section */
.chapter li:not(.expanded) + li > ol {
	display: none;
}

.chapter li.chapter-item {
	line-height: 1.5em;
	margin-top: 0.6em;
}

.chapter li.expanded > a.toggle div {
	transform: rotate(90deg);
}

.spacer {
	width: 100%;
	height: 3px;
	margin: 5px 0px;
}
.chapter .spacer {
	background-color: var(--sidebar-spacer);
}

@media (-moz-touch-enabled: 1), (pointer: coarse) {
	.chapter li a { padding: 5px 0; }
	.spacer { margin: 10px 0; }
}

.section {
	list-style: none outside none;
	padding-left: 20px;
	line-height: 1.9em;
}

/* Theme Menu Popup */

.theme-popup {
	position: absolute;
	left: 10px;
	top: var(--menu-bar-height);
	z-index: 1000;
	border-radius: 4px;
	font-size: 0.7em;
	color: var(--fg);
	background: var(--theme-popup-bg);
	border: 1px solid var(--theme-popup-border);
	margin: 0;
	padding: 0;
	list-style: none;
	display: none;
}
.theme-popup .default {
	color: var(--icons);
}
.theme-popup .theme {
	width: 100%;
	border: 0;
	margin: 0;
	padding: 2px 10px;
	line-height: 25px;
	white-space: nowrap;
	text-align: left;
	cursor: pointer;
	color: inherit;
	background: inherit;
	font-size: inherit;
}
.theme-popup .theme:hover {
	background-color: var(--theme-hover);
}
.theme-popup .theme:hover:first-child,
.theme-popup .theme:hover:last-child {
	border-top-left-radius: inherit;
	border-top-right-radius: inherit;
}