$site-max-width: 120rem;
$sidebar-width: 20rem;

:root {
	--site-max-width: #{$site-max-width};
	--sidebar-width: #{$sidebar-width};

	--color-crossfade-duration: 0.25s;
	--color-crossfade-ease: ease;
}

html {
	font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
	scroll-behavior: smooth;
	text-rendering: optimizeLegibility;
}

body {
	background: var(--ui-background);
	color: var(--ui-text);
	transition:
		background var(--color-crossfade-duration) var(--color-crossfade-ease),
		color var(--color-crossfade-duration) var(--color-crossfade-ease);
}

/* Single column layout, where main content stretches to fill. */
body {
	display: flex;
	flex-flow: column;
	min-height: calc(var(--vh, 1vh) * 100);
	max-width: 100vw;
	margin: auto;
}
main {flex-grow: 1;}

/*
Sections are primary block units, usually of type <section>.
Containers are an immediate child <div>, purely for constraining width.
*/
.section {
	padding: 2em 0; /* we apply a vertical padding only to sections */
}
.container {
	width: 100%;
	max-width: var(--site-max-width);
	margin: 0 auto;
	padding: 0 1em; /* and we apply a horizontal padding only to containers */
}

/* Ensure consistent colors for text selection */
::selection {
	background: var(--primary-accent);
	color: var(--primary-accent-text);
}