/* Adapted from Three.js files/main.css, blob eab4263a7a7570bb433cab3048d5735d4782f673.
 * Browser structure follows examples/index.html, blob 7b53cc789e644957e4b3bc8f9ca21b9ca81e5f06. */
:root {
	color-scheme: light dark;
	--background-color: #fff;
	--secondary-background-color: #f7f7f7;
	--color-blue: #049EF4;
	--text-color: #444;
	--secondary-text-color: #9e9e9e;
	--font-size: 16px;
	--line-height: 26px;
	--border-color: #E8E8E8;
	--border-style: 1px solid var(--border-color);
	--header-height: 48px;
	--panel-width: 300px;
	--panel-padding: 16px;
}

@media (prefers-color-scheme: dark) {
	:root {
		--background-color: #222;
		--secondary-background-color: #2e2e2e;
		--text-color: #bbb;
		--secondary-text-color: #666;
		--border-color: #444;
	}
}

@font-face {
	font-family: 'Roboto Mono';
	src: url('./fonts/RobotoMono-Regular.woff2') format('woff2');
	font-style: normal;
	font-weight: 400;
	font-display: swap;
}

@font-face {
	font-family: 'Roboto Mono';
	src: url('./fonts/RobotoMono-Medium.woff2') format('woff2');
	font-style: normal;
	font-weight: 500;
	font-display: swap;
}

* {
	box-sizing: border-box;
	-webkit-font-smoothing: antialiased;
	-moz-osx-font-smoothing: grayscale;
}

html, body { height: 100%; }
html {
	font-size: calc(var(--font-size) - 1px);
	line-height: calc(var(--line-height) - 1px);
}
body {
	font-family: 'Roboto Mono', monospace;
	margin: 0;
	color: var(--text-color);
	background-color: var(--background-color);
	overflow: hidden;
}
a { text-decoration: none; color: var(--color-blue); }
h1 { font-size: 18px; line-height: 24px; font-weight: 500; }
h2 {
	margin: 16px 0;
	font-size: calc(var(--font-size) - 1px);
	line-height: var(--line-height);
	font-weight: 500;
	color: var(--color-blue);
}
button {
	font: inherit;
	color: var(--text-color);
	background: var(--background-color);
	border: var(--border-style);
	cursor: pointer;
}
:focus-visible { outline: 3px solid var(--color-blue); outline-offset: 3px; }
[hidden] { display: none !important; }

#panel {
	position: fixed;
	z-index: 100;
	left: 0;
	top: 0;
	width: var(--panel-width);
	height: 100%;
	border-right: var(--border-style);
	display: flex;
	flex-direction: column;
	background: var(--background-color);
}
#header {
	display: flex;
	flex-shrink: 0;
	height: var(--header-height);
	border-bottom: var(--border-style);
	align-items: center;
}
#header h1 { padding-left: var(--panel-padding); flex: 1; }
#sections { padding: 0 var(--panel-padding); font-size: 14px; color: var(--color-blue); }
#expandButton { display: none; width: 48px; height: 48px; margin: 0 4px; border: 0; font-size: 24px; }
#closeButton, #panelScrim { display: none; }
#contentWrapper { flex: 1; min-height: 0; display: flex; flex-direction: column; }
#content {
	flex: 1;
	overflow-y: auto;
	overflow-x: hidden;
	padding: 0 var(--panel-padding) var(--panel-padding);
}
#content .card a { display: block; color: var(--text-color); }
#content .card a:hover, #content .card.selected a { color: var(--color-blue); }
.card {
	border-radius: 3px;
	overflow: hidden;
	background-color: var(--secondary-background-color);
	padding-bottom: 6px;
	margin-bottom: 16px;
}
.card.selected { box-shadow: 0 0 0 3px var(--color-blue); }
.card:focus-within { outline: 3px solid var(--color-blue); }
.card .cover { padding-bottom: 56.25%; position: relative; overflow: hidden; }
.card .cover img {
	position: absolute;
	width: 100%;
	height: auto;
	top: 50%;
	left: 50%;
	transform: translate(-50%, -50%);
}
.card .title {
	padding: 8px 12px 4px;
	font-size: calc(var(--font-size) - 1px);
	font-weight: 500;
	line-height: calc(var(--line-height) - 6px);
}
.credits { font-size: 12px; line-height: 20px; }
#viewerArea { position: absolute; inset: 0 0 0 var(--panel-width); }
#viewer { width: 100%; height: 100%; border: 0; display: block; }
#placeholder {
	height: 100%;
	display: flex;
	flex-direction: column;
	align-items: center;
	justify-content: center;
	padding: 32px;
	text-align: center;
}
#placeholder p { margin-top: 0; }

@media (min-width: 1700px) {
	:root { --panel-width: 360px; --font-size: 18px; --line-height: 28px; --header-height: 56px; }
}

@media (max-width: 640px) {
	:root { --header-height: 56px; }
	#expandButton { display: block; }
	#panel { width: 100%; height: var(--header-height); border: 0; }
	#panel.open { height: 100%; }
	#panelScrim { display: block; position: absolute; inset: 0; pointer-events: none; }
	#panel.open #panelScrim { pointer-events: auto; background: rgba(0, 0, 0, 0.4); }
	#contentWrapper {
		position: absolute;
		right: 0;
		top: 0;
		bottom: 0;
		width: calc(100vw - 60px);
		max-width: 360px;
		background: var(--background-color);
		box-shadow: 0 0 8px rgba(0, 0, 0, .1);
		transform: translateX(100%);
		visibility: hidden;
		transition: transform .25s, visibility .25s;
	}
	#panel.open #contentWrapper { transform: translateX(0); visibility: visible; }
	#closeButton { display: block; align-self: flex-end; margin: 8px 16px; padding: 4px 8px; }
	#viewerArea { inset: var(--header-height) 0 0; }
}

@media (prefers-reduced-motion: reduce) {
	#contentWrapper { transition: none; }
}