* {
	box-sizing: border-box;
}

body {
	margin: 0;
	font-family: Arial, sans-serif;
	height: 100vh;
	overflow: hidden;
}

.layout {
	display: flex;
	height: 100vh;
}

.sidebar {
	width: 256px;
	background-color: #f0f0f0;
	display: flex;
	flex-direction: column;
	height: 100%;
}

.item {
	height: 100px;
	border-bottom: 1px solid #ccc;
	display: flex;
	align-items: center;
	justify-content: center;
}

.main {
	flex: 1;
	display: flex;
	align-items: center;
	justify-content: center;
	position: relative;
	gap: 20px;
}

.side-div {
	width: 300px;
	height: 600px;
	display: flex;
	align-items: center;
	justify-content: center;
}

.game-container {
	text-align: center;
	z-index: 1;
}

.game-box {
	width: 300px;
	height: 300px;
	background-color: lightblue;
	display: flex;
	align-items: center;
	justify-content: center;
}

/* Always visible toggle button */
#fullscreenBtn {
	position: fixed;
	top: 20px;
	right: 20px;
	z-index: 1001;
	padding: 10px 20px;
	cursor: pointer;
}

/* Gray overlay */
.overlay {
	position: fixed;
	top: 0;
	left: 0;
	width: 100vw;
	height: 100vh;
	background: rgba(128, 128, 128, 0.6);
	z-index: 1000;
}

.hidden {
	display: none;
}

#left-iab,
#right-iab {
	z-index: 10000 !important;
}