body {
	margin: 0;
	padding: 0;
	display: flex;
	align-items: center;
	width: 100vw;
	height: 100vh;
	justify-content: center;
	background-color: #000;
	color: #fff;
	font-family: sans-serif;
	-webkit-touch-callout: none;
	-webkit-user-select: none;
	-moz-user-select: none;
	-ms-user-select: none;
	user-select: none;
	touch-action: none;
}

#board {
	position: fixed;
	top: 0;
	left: 0;
	touch-action: none;
}

#description {
	z-index: 1;
	text-align: center;
	margin: 2em;
}

.visually-hidden:not(:focus):not(:active) {
	clip: rect(0 0 0 0);
	clip-path: inset(50%);
	height: 1px;
	overflow: hidden;
	position: absolute;
	white-space: nowrap;
	width: 1px;
}

#version {
	position: fixed;
	bottom: 0;
	left: 0;
	opacity: 0.7;
	font-size: small;
	padding: 0.5em;
	margin: 0;
}

#update-available {
	position: fixed;
	bottom: 0;
	left: 0;
	right: 0;
	text-align: center;
	padding: 1em;
	margin: 0;
	background-color: #333;
}

#update-available a {
	color: #0ff;
}

#controls {
	position: fixed;
	top: 1em;
	right: 1em;
	z-index: 2;
	display: flex;
	flex-direction: column;
	gap: 0.5em;
}

#team-mode-toggle {
	padding: 0.5em 1em;
	background-color: #333;
	color: #fff;
	border: 2px solid #666;
	border-radius: 4px;
	cursor: pointer;
	font-size: 14px;
	transition: all 0.2s ease;
}

#team-mode-toggle:hover {
	background-color: #444;
	border-color: #777;
}

#team-mode-toggle.active {
	background-color: #ff0739;
	border-color: #ff0739;
}

#team-count-label {
	display: none;
	align-items: center;
	gap: 0.5em;
	font-size: 14px;
	background-color: rgba(0, 0, 0, 0.7);
	padding: 0.5em;
	border-radius: 4px;
}

#team-count-label.visible {
	display: flex;
}

#team-minus,
#team-plus {
	width: 24px;
	height: 24px;
	padding: 0;
	background-color: #333;
	color: #fff;
	border: 1px solid #666;
	border-radius: 50%;
	cursor: pointer;
	font-size: 14px;
	font-weight: bold;
	display: flex;
	align-items: center;
	justify-content: center;
	transition: all 0.2s ease;
}

#team-minus:hover,
#team-plus:hover {
	background-color: #444;
	border-color: #777;
}

#team-minus:disabled,
#team-plus:disabled {
	opacity: 0.5;
	cursor: not-allowed;
}

@media (max-width: 600px) {
	#controls {
		top: 0.5em;
		right: 0.5em;
		gap: 0.3em;
	}

	#team-mode-toggle {
		padding: 0.4em 0.8em;
		font-size: 12px;
	}

	#team-count-label {
		font-size: 12px;
		padding: 0.4em;
	}

	#team-minus,
	#team-plus {
		width: 20px;
		height: 20px;
		font-size: 12px;
	}
}