@font-face {
	font-family: Inter;
	src: url("Inter.woff2") format("woff2");
}

:root {
	font-size: 18px;
	color-scheme: light dark;
	--column-width: 40rem;
	--line-height: 1.4rem;
	--fg-color: #222;
	--bg-color: #fff;
	--accent-color: #c00;
	--alt-row-color: #eee;
	scroll-behavior: smooth;
	scrollbar-color: var(--accent-color) var(--bg-color);
	accent-color: var(--accent-color);
}

body {
	color: var(--fg-color);
	background-color: var(--bg-color);
	display: grid;
	grid-template-columns: auto var(--column-width) 2rem auto;
	font-family: Inter, sans-serif;
}

h1 {
	font-size: 3.75rem;
	font-weight: 300;
}

h2 {
	font-size: 2rem;
	font-weight: 350;
}

h3 {
	font-size: 1.68rem;
	font-weight: 360;
}

h4 {
	font-size: 1.41rem;
	font-weight: 370;
}

h5 {
	font-size: 1.19rem;
	font-weight: 380;
}

h6 {
	font-size: 1rem;
	font-weight: 390;
}

p {
	line-height: var(--line-height);

	&.footnote {
		font-size: 16px;
		font-weight: 300;
		margin: 0;
	}
}

ol, ul {
	line-height: var(--line-height);
	padding-left: 1rem;

	li {
		margin-top: 0.5rem;
	}
}

img {
	width: 100%;
	height: auto;
	border-radius: 5px;
	box-shadow: 0 6px 12px #0004;
}

a {
	color: var(--accent-color);
	font-weight: 500;
}

blockquote {
	font-style: italic;
	margin: 1rem 0;
	padding-left: calc(1rem - 4px);
	border-left: 4px solid var(--accent-color);
}

table {
	font-size: 16px;
	border-collapse: collapse;
    font-variant-numeric: tabular-nums;

	th {
		font-weight: 300;
		font-style: italic;
		padding-bottom: 0.5rem;
	}

	th, td {
		text-align: right;
		vertical-align: baseline;
		padding-left: 1rem;
		line-height: var(--line-height);
	}

	th:first-child, td:first-child {
		text-align: left;
		font-variant: normal;
		padding-left: 0;
	}

	tr:nth-child(even) {
		background-color: var(--alt-row-color);
	}

	tfoot {
		font-weight: 600;
		border-top: 1px solid;
	}
}

::selection {
	color: var(--bg-color);
	background-color: var(--accent-color);
}

#toc {
	position: sticky;
	grid-column-start: 4;
	top: 2rem;
	align-self: start;
	font-size: 0.9rem;

	a {
		text-decoration: none;
		padding: 1px 5px 2px 5px;
		border-radius: 3px;
	}

	ol {
		line-height: normal;
		list-style: none;
	}

	li {
		margin-top: 0.3rem;

		&.active > a {
			color: var(--bg-color);
			background-color: var(--accent-color);
		}
	}
}

main {
	grid-column-start: 2;
	grid-row-start: 1;
}

section {
	scroll-margin-top: 1rem;
}

@media (width < 64rem) {
	body {
		grid-template-columns: auto;
	}

	#toc {
		display: none;
		/* position: relative;
		grid-column-start: 2;
		grid-row-start: 1; */
	}

	main {
		grid-row-start: 1;
		grid-column-start: 1;
	}
}

@media (prefers-color-scheme: dark) {
	:root {
		--fg-color: #ccc;
		--bg-color: #000;
		--accent-color: #fb0;
		--alt-row-color: #222;
	}

	img {
		box-shadow: none;
	}
}

@media (prefers-reduced-motion: reduce) {
	:root {
		scroll-behavior: auto;
	}
}