@font-face {
	font-family: 'ubuntu';
	font-style: normal;
	font-weight: normal;
	font-display: swap;
	src: url('../fonts/Ubuntu-R.ttf') format('truetype');
}

:root
{
	--teal:		#008080;
	--maroon:	#800000;
	--img-border:	#FFFFFF;
	--gradient:	linear-gradient(45deg, #800000 10%, #008080 90%);
}

@media (prefers-color-scheme: dark) {
	:root {
		--teal:		#7acccc;
		--maroon:	#cc7a7a;
		--img-border:	hsl(0, 1%, 25%);
		--gradient:	linear-gradient(45deg, #cc7a7a 10%, #7acccc 90%);
	}
}

/* overwrite latex.css colors */
a,
a:visited {
	color:		 		var(--teal);
	text-decoration:		none;
}

a:hover {
	color:				var(--maroon);
}

video {
	max-width:			100%;
	height:				auto;
	display:			block;
}

/* don't use superscript text for references */
sup {
	vertical-align:			inherit;
	font-size: 			1rem;
}

/* main navigation */
nav.navigation {
	border-right-color:		var(--teal);
	border-right-style:		solid;
	border-right-width:		4px;
	font-family:			"ubuntu";
	margin-bottom:			1em;
	margin-left:			-20vw;
	min-width:			15vw;
	padding-right:			4px;
	padding-left:			4px;
	position:			fixed;
	text-align:			right;
}

nav.navigation h1 {
	background:			var(--gradient);
        -webkit-background-clip:	text;
        -webkit-text-fill-color:	transparent;
	color:				var(--teal);
	text-align:			right;
}

nav.navigation a {
	color:				var(--teal);
	padding-right:			4px
	text-align:			right;
}

nav.navigation a:hover {
	text-decoration:		underline;
}

nav.navigation footer {
	color:				var(--maroon);
	font-size:			0.8rem;
}

nav.navigation footer a,
nav.navigation footer a:hover {
	color: 				var(--maroon);
}

/* support small screens */
@media (max-width: 1080px) {
	nav.navigation {
		position:		relative;
		border-right-style:	none;
		margin-left:		0px;
		display:		flex;
		align-items:		center;
		justify-content: 	center;
	}

	nav.navigation h1 {
		display:		block;
		border-right-color:	var(--teal);
		border-right-style:	solid;
		border-right-width:	4px;
		margin-bottom:		0px;
		padding-right:		4px;
	}

	nav.navigation div {
		display:		block;
		padding-left:		4px;
		text-align:		left;
	}
}

/* Figure couter + lightbox for images */
body::before {
	counter-reset:			figure-counter;
}

figure {
	counter-increment:		figure-counter;
	padding-top:			0 0.25em 0.25em;
}

figcaption {
	font-size:			0.923em;
}

figcaption::before {
	content:			'Figure ' counter(figure-counter) '. ';
	font-weight:			bold;
}

.lightbox {
	position:			fixed;
	top:				0px;
	left:				0px;
	width:				100%;
	height:				100vh;
	background-color: 		var(--body-bg-color);
	text-align:			center;
	z-index:			666;
	visibility:			hidden;
}

figure:target .lightbox {
	visibility:			visible;
}

.lightbox-wrapper {
	display:			inline-flex;
	flex-direction:			column;
	max-width:			95%;
	width:				95vw;
	height:				100%;
}

.lightbox a {
	font-size:			1.25rem;
	align-self:			end;
	margin-bottom:			auto;
}

.lightbox img {
	width:				auto;
	height:				auto;
	max-width:			100%;
	max-height:			90vh;
	margin-bottom:			auto;
	object-fit:			contain;
}

dl dd {
	text-align: left;
	padding-left: 2rem;
}

/* footnotes */
.footnote-ref::before {
	content:			'[';
}

.footnote-ref::after {
	content:			']';
}

.footnote ol {
	counter-reset:			fn-counter;
	padding-left:			2rem;
}

.footnote li {
	counter-increment:		fn-counter;
}

.footnote li::marker {
	content:			'[' counter(fn-counter) '] ';
}