@import url('reset.css');
@import url('loading.css');

:root {
	--dark-color: #1a1a1a;
	--dark-mid-color: #2a2a2a;
	--dark-off-color: #4a4a4a;
	--light-color: #f2f2f2;
	--light-mid-color: #e2e2e2;
	--light-off-color: #c2c2c2;
	--background-color: var(--light-color);
	--background-mid-color: var(--light-mid-color);
	--background-off-color: var(--light-off-color);
	--text-color: var(--dark-color);
	--text-mid-color: var(--dark-mid-color);
	--text-off-color: var(--dark-off-color);
	--top-menu-height: 7rem;
	--bottom-menu-height: 8.8rem;
	--tabs-container-height: 40rem;
}

@media (prefers-color-scheme: dark) {
	:root {
		--background-color: var(--dark-color);
		--background-mid-color: var(--dark-mid-color);
		--background-off-color: var(--dark-off-color);
		--text-color: var(--light-color);
		--text-mid-color: var(--light-mid-color);
		--text-off-color: var(--light-off-color);
	}
}

html {
	/* Keep font size between 8 and 10 px when window height scales from 800px to 1000px */
	font-size: max(8px, min(10px, 1vh));
}

body {
	font-family: sans-serif;
	background-color: var(--background-color);
	color: var(--text-color);
	margin: 0;
	height: 100%;
	overflow: hidden;
}

canvas {
	z-index: 0;
}

.menu {
	display: flex;
	position: absolute;
	left: 0;
	right: 0;
	padding: 1rem 0;
	z-index: 2;
	pointer-events: none;
}

.menu .item {
	margin: 0 1rem;
	background-color: var(--background-color);
	background-repeat: no-repeat;
	background-position: center 0;
	border: none;
	border-radius: .3rem;
	color: var(--text-color);
	overflow: hidden;
	white-space: nowrap;
	box-shadow: 0 2px 6px 0 rgba(0, 0, 0, 0.5);
	pointer-events: auto;
}

.menu .container {
	display: flex;
}

.menu .right {
	margin-left: auto;
}

.menu button {
	background-size: 5rem;
	padding-top: 5rem;
	height: 6.7rem;
	width: 6.7rem;
	cursor: pointer;
}

#top-menu {
	top: 0;
	height: var(--top-menu-height);
}

#top-menu > * {
	flex: 1;
}

#top-menu > *:first-child {
	border-top-left-radius: .3rem;
}

#top-menu > *:last-child {
	border-top-right-radius: .3rem;
}

#building-logo {
	background-size: contain;
}

#bottom-menu {
	bottom: 0;
	height: var(--bottom-menu-height);
}

#bottom-menu .item:hover {
	background-color: var(--background-mid-color);
}

#tabs-container {
	bottom: var(--bottom-menu-height);
	height: var(--tabs-container-height);
}

#tabs-container .item:not(.active) {
	flex: 0 0 0;
	transform: scaleY(0);
	margin: 0;
	transition: transform .1s ease-out;
}

#tabs-container .item {
	overflow: hidden auto;
	transform: scaleY(1);
	transform-origin: 0 100%;
	transition: transform .1s ease-in;
}

#tabs {
	flex: 1;
}

#tabs .inner {
	--selected-tab: 0;
	display: flex;
	flex-direction: row;
	height: 100%;
	transform: translateX(calc(var(--selected-tab) * -100%));
	transition: transform .5s ease-in-out .2s;
}

#tabs .tab {
	flex: 1 0 100%;
	opacity: 0;
	height: 100%;
	width: 100%;
	transition: opacity .3s ease-in;
}

#tabs .tab.active {
	opacity: 1;
	transition: opacity .3s ease-out;
}

#floors {
	margin-left: auto;
	margin-top: auto;
	flex: 0 0 6.7rem;
	height: fit-content;
	text-align: center;
}

#tabs-container ul {
	background-color: var(--text-color);
	list-style: none;
	padding: 0;
	margin: 0;
}

#tabs-container li {
	background-color: var(--background-color);
	border-bottom: 1px solid var(--background-off-color);
	padding: 1.2rem 2rem;
	cursor: pointer;
}

#tabs-container li:last-child {
	border-bottom: none;
}

#tabs-container li.active {
	margin-left: 2px;
}

#tabs-container li:hover {
	background-color: var(--background-mid-color);
}

#map-tab, #map-overlay {
	--width: 100%;
	position: absolute;
	top: 0;
	left: 50%;
	margin-left: calc(-1 * var(--width) / 2);
	width: var(--width);
	height: 100%;
}

@media (min-aspect-ratio: 5 / 8) {
	#map-tab, #map-overlay {
		--width: calc(100vh * 5 / 8);
	}
}

#map {
	width: 100%;
	height: 100%;
}

#map-overlay {
	z-index: 2;
	pointer-events: none;
}