<script src="https://code.highcharts.com/js/highcharts.js"></script>

<div class="t-container">
	<h2>Gender distribution in computer sciences courses in Sweden</h2>
	<h3 class="t-subtitle">Number of students / Academic year</h3>
	<article id="computer-sciences"></article>
</div>

// FONTS, VARS AND MIXINS ARE BEING IMPORTED
// They are private for security reasons

// VARIABLES

$grid-color: $grey-mid;

// Colors for data series and points
$colors: $teal $teal-mid $teal-light $nex-green $nex-green-mid $nex-green-light;

// Chart background, point stroke for markers and columns, etc...
$background-color: $white;

// Neutral colors, grayscale by default. The default colors are defined by mixing the background-color
// with neutral, with a weight corresponding to the number in the name.

// Axis labels, axis title, connector fallback
$neutral-color-60: $grid-color;

// Credits text, export menu stroke
$neutral-color-40: $text-color;

// Disabled texts, button strokes, crosshair etc
$neutral-color-20: $grey-light;

// Grid lines etc. */
$neutral-color-10: $grid-color;

// Minor grid lines etc
$neutral-color-5: $grid-color;

// Tooltip backgroud, button fills, map null points
$neutral-color-3: $white;

// COLORED

// Drilldown clickable labels, color axis max color
$highlight-color-100: $teal;

// Selection marker, menu hover, button hover, chart border, navigator series
$highlight-color-80: $teal-mid;

// Navigator mask fill
$highlight-color-60: $teal-light;

// Ticks and axis line
$highlight-color-20: $grey-mid;

// Pressed button, color axis min color
$highlight-color-10: #e6ebf5;


// CHART SPECIFIC COLOR OVERRIDE
$colors: $grey, $teal, $cerise;


body {
	display: flex;
	justify-content: center;
	align-items: center;
	width: auto;
	height: 100vh;
	margin: 0;
	padding: $space-large;
	background: $grey-bg;
}

.t-container {
	display: block;
	width: $max-width;
	// Just for demo purposes
	max-width: -webkit-fill-available;
	max-width: -moz-available;
	padding: $space-large;
	background: $white;
	
	.t-subtitle {
		// Compensate for default .t-container h1 margin
		margin-top: -$space-related;
		color: $grey-mid;
	}
}

.highcharts-container {
	position: relative;
	overflow: hidden;
	width: 100%;
	height: 100%;
	// Negative margin to compensate for chart padding
	margin: -10px;
	line-height: normal;
	z-index: 0;
	-webkit-tap-highlight-color: rgba(0, 0, 0, 0);
	font-family: $font-main;
    font-size: 13px;
}

.highcharts-root text { stroke-width: 0; }

.highcharts-background { fill: $background-color; }

.highcharts-plot-background,
.highcharts-plot-border { fill: none; }

.highcharts-label-box { fill: none; }

.highcharts-button-box { fill: inherit; }

// TITLES

.highcharts-title {
	fill: $header-color;
	font-family: $font-nex;
	font-size: 22px;
}

.highcharts-subtitle {
	fill: $grey;
	font-size: 12px;
}

// AXES

.highcharts-axis-line {
	fill: none;
	stroke: $grid-color;
	stroke-dasharray: 1px, 4px;
}

.highcharts-yaxis .highcharts-axis-line { stroke-width: 0; }

.highcharts-axis-title {
	fill: $grey;
	font-size: 10px;
}

.highcharts-axis-labels {
	fill: $grey;
	font-size: 10px;
	cursor: default;
}

.highcharts-grid-line {
	fill: none;
	stroke: $grid-color;
	stroke-dasharray: 1px, 4px;
}

.highcharts-xaxis-grid .highcharts-grid-line { stroke-width: 0; }

.highcharts-tick { stroke: $grid-color; }

.highcharts-yaxis .highcharts-tick { stroke-width: 0; }

.highcharts-minor-grid-line { stroke: $grid-color; }

.highcharts-crosshair-thin {
	stroke-width: 1px;
	stroke: $neutral-color-20;
}

.highcharts-crosshair-category {
	stroke: $highlight-color-20;
	stroke-opacity: 0.25;
}

// CREDITS

.highcharts-credits { 
	fill: $grey;
	font-size: 10px;
	cursor: pointer;
}

// TOOLTIPS

.highcharts-tooltip {
	font-size: 12px;
	pointer-events: none;
	white-space: nowrap;
	cursor: default;
	transition: stroke $speed;
}

.highcharts-tooltip text { fill: $text-color; }

.highcharts-tooltip .highcharts-header {
	font-size: 14px;
	font-weight: bold;
}

.highcharts-tooltip-box {
	stroke: $grey;
	stroke-width: 1px;
	fill: $white;
	fill-opacity: 1;
}

.highcharts-selection-marker {
	fill: $highlight-color-80;
	fill-opacity: 0.25;
}

.highcharts-graph {
	fill: none;
	stroke-width: 2px;
	stroke-linecap: round;
	stroke-linejoin: round;
}

.highcharts-state-hover .highcharts-graph { stroke-width: 4px; }

.highcharts-state-hover path {
	// Quick in
	transition: stroke-width $speed-fast;
}

.highcharts-state-normal path {
	// Slow out
	transition: stroke-width $speed;
}

// Legend hover affects points and series

.highcharts-point,
g.highcharts-series { transition: opacity $speed; }

.highcharts-legend-point-active .highcharts-point:not(.highcharts-point-hover),
.highcharts-legend-series-active g.highcharts-series:not(.highcharts-series-hover) {
	opacity: 0.2;
}

// SERIES OPTIONS

// Default colors

@for $i from 1 through length($colors) {
	$color: nth($colors, $i);

	.highcharts-color-#{$i - 1} {
		fill: transparent;
		stroke: $color;
	}
}

.highcharts-area {
	fill-opacity: 0.75;
	stroke-width: 0;
}

.highcharts-markers {
	stroke-width: 2px;
	fill: $background-color;
}

.highcharts-point { stroke-width: 2px; }

.highcharts-point-hover {
	stroke-width: 2px;
	fill: $background-color;
}

.highcharts-dense-data .highcharts-point { stroke-width: 0; }

.highcharts-data-label {
	font-size: 10px;
	font-weight: normal;
}

.highcharts-data-label-box {
	fill: none;
	stroke-width: 0;
}

.highcharts-data-label text { fill: $text-color; }

.highcharts-data-label-connector { fill: none; }

.highcharts-halo { display: none; }

.highcharts-point-select {
	fill: $neutral-color-20;
	stroke: $text-color;
}

.highcharts-column-series .highcharts-point {
	stroke: $background-color;
	transition: fill-opacity $speed;
}

.highcharts-column-series .highcharts-point-hover {
	fill-opacity: 0.75;
	transition: fill-opacity $speed-fast;
}

.highcharts-pie-series .highcharts-point {
	stroke-linejoin: round;
	stroke: $background-color;
}

.highcharts-pie-series .highcharts-point-hover {
	fill-opacity: 0.75;
	transition: fill-opacity $speed-fast;
}

.highcharts-pie-series .highcharts-point-select {
	fill: inherit;
	stroke: inherit;
}

.highcharts-funnel-series .highcharts-point {
	stroke-linejoin: round;
	stroke: $background-color;
}

.highcharts-funnel-series .highcharts-point-hover {
	fill-opacity: 0.75;
	transition: fill-opacity $speed-fast;
}

.highcharts-funnel-series .highcharts-point-select {
	fill: inherit;
	stroke: inherit;
}

.highcharts-pyramid-series .highcharts-point {
	stroke-linejoin: round;
	stroke: $background-color;
}

.highcharts-pyramid-series .highcharts-point-hover {
	fill-opacity: 0.75;
	transition: fill-opacity $speed-fast;
}

.highcharts-pyramid-series .highcharts-point-select {
	fill: inherit;
	stroke: inherit;
}

.highcharts-solidgauge-series .highcharts-point {
	stroke-width: 0;
}

.highcharts-treemap-series .highcharts-point {
	stroke-width: 1px;
	stroke: $neutral-color-10;
	transition:
		stroke $speed,
		fill $speed,
		fill-opacity $speed;
}

.highcharts-treemap-series .highcharts-point-hover {
	stroke: $neutral-color-40;
	transition:
		stroke $speed,
		fill $speed,
		fill-opacity $speed;
}

.highcharts-treemap-series .highcharts-above-level { display: none; }

.highcharts-treemap-series .highcharts-internal-node { fill: none; }

.highcharts-treemap-series .highcharts-internal-node-interactive {
	fill-opacity: 0.15;
	cursor: pointer;

	&:hover { fill-opacity: 0.75; }
}

// LEGEND

.highcharts-legend-box {
	fill: none;
	stroke-width: 0;
}

.highcharts-legend-item {
	&:hover {
		filter: drop-shadow(0 1px 2px $grey-feather);
	}
}

.highcharts-legend-item text {
	fill: $grey-mid;
	font-size: 10px;
	font-weight: normal;
	cursor: pointer;
	stroke-width: 0;

	&:hover { fill: inherit; }
}

.highcharts-legend-item-hidden * {
	fill: $neutral-color-20 !important;
	stroke: $neutral-color-20 !important;
	transition: fill $speed;
}

.highcharts-legend-nav-active {
	fill: $highlight-color-100;
	cursor: pointer;
}

.highcharts-legend-nav-inactive {
	fill: $neutral-color-20;
}

.highcharts-legend-title-box {
	fill: none;
	stroke-width: 0;
}

// LOADING

.highcharts-loading {
	position: absolute;
	background-color: $background-color;
	opacity: 0.5;
	text-align: center;
	z-index: 10;
	transition: opacity $speed;
}

.highcharts-loading-hidden {
	height: 0 !important;
	opacity: 0;
	overflow: hidden;
	transition:
		opacity $speed,
		height $speed step-end;
}

.highcharts-loading-inner {
	font-weight: bold;
	position: relative;
	top: 45%;
}

/* Plot bands and polar pane backgrounds */
.highcharts-plot-band {
	fill: $text-color;
	fill-opacity: 0.05;
}

.highcharts-plot-line {
	fill: none;
	stroke: $neutral-color-40;
	stroke-width: 1px;
}

// HIGHCHARTS MORE

.highcharts-boxplot-box { fill: $background-color; }

.highcharts-boxplot-median { stroke-width: 2px; }

.highcharts-bubble-series .highcharts-point { fill-opacity: 0.5; }

.highcharts-errorbar-series .highcharts-point { stroke: $text-color; }

.highcharts-gauge-series .highcharts-data-label-box {
	stroke: $neutral-color-20;
	stroke-width: 1px;
}

.highcharts-gauge-series .highcharts-dial {
	fill: $text-color;
	stroke-width: 0;
}

.highcharts-polygon-series .highcharts-graph {
	fill: inherit;
	stroke-width: 0;
}

.highcharts-waterfall-series .highcharts-graph {
	stroke: $text-color;
	stroke-dasharray: 1, 3;
}

// HIGHSTOCK

.highcharts-navigator-mask {
	fill: $highlight-color-60;
	/* navigator.maskFill option */
	fill-opacity: 0.25;
}

.highcharts-navigator-mask-inside {
	fill: $highlight-color-60;
	/* navigator.maskFill option */
	fill-opacity: 0.25;
	cursor: ew-resize;
}

.highcharts-navigator-outline {
	stroke: $neutral-color-20;
	fill: none;
}

.highcharts-navigator-handle {
	stroke: $neutral-color-20;
	fill: $neutral-color-5;
	cursor: ew-resize;
}

.highcharts-navigator-series {
	fill: $highlight-color-80;
	stroke: $highlight-color-80;
}

.highcharts-navigator-series .highcharts-graph { stroke-width: 1px; }

.highcharts-navigator-series .highcharts-area { fill-opacity: 0.05; }

.highcharts-navigator-xaxis .highcharts-axis-line { stroke-width: 0; }

.highcharts-navigator-xaxis .highcharts-grid-line {
	stroke-width: 1px;
	stroke: $neutral-color-10;
}

.highcharts-navigator-xaxis.highcharts-axis-labels { fill: $neutral-color-40; }

.highcharts-navigator-yaxis .highcharts-grid-line { stroke-width: 0; }

.highcharts-scrollbar-thumb {
	fill: $neutral-color-20;
	stroke: $neutral-color-20;
	stroke-width: 1px;
}

.highcharts-scrollbar-button {
	fill: $neutral-color-10;
	stroke: $neutral-color-20;
	stroke-width: 1px;
}

.highcharts-scrollbar-arrow { fill: $neutral-color-60; }

.highcharts-scrollbar-rifles {
	stroke: $neutral-color-60;
	stroke-width: 1px;
}

.highcharts-scrollbar-track {
	fill: $neutral-color-5;
	stroke: $neutral-color-5;
	stroke-width: 1px;
}

.highcharts-button {
	fill: $neutral-color-3;
	stroke: $neutral-color-20;
	cursor: default;
	stroke-width: 1px;
	transition: fill $speed;
}

.highcharts-button text {
	fill: $text-color;
}

.highcharts-button-hover {
	transition: fill 0;
	fill: $neutral-color-10;
	stroke: $text-color;
}

.highcharts-button-pressed {
	font-weight: bold;
	fill: $highlight-color-10;
	stroke: $highlight-color-80;
}

.highcharts-button-disabled text { fill: $neutral-color-20; }

.highcharts-range-selector-buttons .highcharts-button { stroke-width: 0; }

.highcharts-range-label rect { fill: none; }

.highcharts-range-label text { fill: $neutral-color-60; }

.highcharts-range-input rect { fill: none; }

.highcharts-range-input text { fill: $text-color; }

input.highcharts-range-selector {
	position: absolute;
	border: 0;
	width: 1px;
	// Chrome needs a pixel to see it
	height: 1px;
	padding: 0;
	text-align: center;
	left: -9em;
}

.highcharts-crosshair-label text {
	fill: $background-color;
	font-size: 12px;
}

.highcharts-crosshair-label .highcharts-label-box { fill: inherit; }

.highcharts-candlestick-series .highcharts-point {
	stroke: $text-color;
	stroke-width: 1px;
}

.highcharts-candlestick-series .highcharts-point-up { fill: $background-color; }

.highcharts-ohlc-series .highcharts-point-hover { stroke-width: 3px; }

.highcharts-flags-series .highcharts-point {
	stroke: $neutral-color-40;
	fill: $background-color;
}

.highcharts-flags-series .highcharts-point-hover {
	stroke: $text-color;
	fill: $highlight-color-20;
}

.highcharts-flags-series .highcharts-point text {
	fill: $text-color;
	font-size: 0.9em;
	font-weight: bold;
}

// HIGHMAPS

.highcharts-map-series .highcharts-point {
	transition:
		fill 500ms,
		fill-opacity 500ms,
		stroke-width $speed;
	stroke: $neutral-color-20;
}

.highcharts-map-series .highcharts-point-hover {
	transition:
		fill 0ms,
		fill-opacity 0;
	fill-opacity: 0.5;
	stroke-width: 2px;
}

.highcharts-mapline-series .highcharts-point {
	fill: none;
}

.highcharts-heatmap-series .highcharts-point {
	stroke-width: 0;
}

.highcharts-map-navigation {
	font-size: 1.3em;
	font-weight: bold;
	text-align: center;
}

.highcharts-coloraxis { stroke-width: 0; }

.highcharts-coloraxis-marker { fill: $neutral-color-40; }

.highcharts-null-point { fill: $neutral-color-3; }

// 3D CHARTS

.highcharts-3d-frame { fill: transparent; }

.highcharts-column-series .highcharts-point {
	// Use point color
	stroke: inherit;
}

// Exporting module
.highcharts-contextbutton {
	// Needed to capture hover
	fill: $background-color;
	stroke: none;
	stroke-linecap: round;
}

.highcharts-contextbutton:hover {
	fill: $neutral-color-10;
	stroke: $neutral-color-10;
}

.highcharts-button-symbol {
	stroke: $neutral-color-60;
	stroke-width: 3px;
}

.highcharts-menu {
	border: 1px solid $neutral-color-40;
	background: $background-color;
	padding: 5px 0;
	box-shadow: 3px 3px 10px #888;
}

.highcharts-menu-item {
	padding: 0.5em 1em;
	background: none;
	color: $text-color;
	cursor: pointer;
	transition:
		background $speed,
		color $speed;
}

.highcharts-menu-item:hover {
	background: $highlight-color-80;
	color: $background-color;
}

// Drilldown module

.highcharts-drilldown-point {
	cursor: pointer;
}

.highcharts-drilldown-axis-label,
.highcharts-drilldown-data-label text {
	cursor: pointer;
	fill: $highlight-color-100;
	font-weight: bold;
	text-decoration: underline;
}

// No-data module

.highcharts-no-data text {
	font-weight: bold;
	font-size: 12px;
	fill: $neutral-color-60;
}

Highcharts.chart("computer-sciences", {
	chart: {
		type: "spline",
		spacingTop: 24,
		spacingBottom: 2
	},

	title: null,

	subtitle: null,

	credits: {
		text: "Universitetskanslersämbetet",
		href: 'javascript:window.open("https://goo.gl/mHpMiY", "_blank")'
	},

	xAxis: {
		title: null,
		tickLength: 0,
		tickWidth: 0
	},

	yAxis: {
		title: null,
		tickLength: 0,
		tickWidth: 0
	},

	tooltip: {
		hideDelay: 250,
		snap: 12,
		crosshairs: false,
		formatter: function() {
			let yValue = Intl.NumberFormat("en-US").format(this.y);

			return yValue + " in " + this.x;
		}
	},

	legend: {
		layout: "horizontal",
		align: "left",
		verticalAlign: "bottom",
		itemMarginTop: 12,
		symbolHeight: 8,
		symbolWidth: 8,
		symbolRadius: 4
	},

	plotOptions: {
		series: {
			label: {
				connectorAllowed: false,
				enabled: false
			},
			pointStart: 2007,
			marker: {
				enabled: true,
				symbol: "circle",
				radius: 2,
				states: {
					hover: {
						radiusPlus: 3
					}
				}
			},
			events: {
				legendItemClick: function() {
					return false;
				}
			},
			dataLabels: {
				enabled: false,
				borderRadius: 3,
				padding: 4,
				y: -4
			}
		}
	},

	series: [
		{
			name: "Total",
			data: [8137, 8996, 10152, 10307, 9535, 9419, 9228, 10008, 10029, 9935]
		},
		{
			name: "Male",
			data: [6767, 7438, 8293, 8439, 7868, 7803, 7698, 8342, 8245, 8097]
		},
		{
			name: "Female",
			data: [1369, 1558, 1859, 1868, 1667, 1615, 1530, 1665, 1783, 1838]
		}
	]
});