body {
	color: #333;
	margin: auto;
	padding-top: 90px;
}

h1, h2 {
	color: #222;
}

h1 {
	font-size: 45px;
}

.box {
	background-color: #fff;
	padding: 15px;
	margin: 20px auto;
	border-radius: 8px;
	box-shadow: 0 2px 4px rgba(0,0,0,0.1);
	max-width: 800px;
	text-align: left;
	line-height: 1.6;
	display: block;
	padding-left: 20px;
}

ul {
	margin-left: 20px;
	list-style-type: none;
	padding: 0;
}

p {
	margin-left: 30px;
}

.button {
	margin-top: 20px;
	padding: 10px 20px;
	font-size: 16px;
	border: none;
	border-radius: 8px;
	background-color: #ff79c6;
	color: white;
	cursor: pointer;
	transition: background 0.3s ease, transform 0.3s ease;
    margin-bottom: 20px;
}

.button:hover {
	transform: scale(1.05);
	background-color: #f468b9;
}

.button.show {
	opacity: 1;
}

.button.hide {
	opacity: 0;
}


#board-container {
    overflow: hidden;
    max-height: 0;
    opacity: 0;
    transition: max-height 0.8s ease, opacity 0.8s ease;
    margin-top: 20px;
}

#board-container.show {
    max-height: 100%;
    opacity: 1;
}

.board {
	width: 480px;
	height: 480px;
	margin: 20px auto;
	display: grid;
	grid-template: repeat(8, 1fr) / repeat(8, 1fr);
	border: 2px solid #333;
}

.square {
	width: 60px;
	height: 60px;
	position: relative;
}

.light {
	background-color: #f0d9b5;
}

.dark {
	background-color: #b58863;
}

.piece {
	width: 50px;
	height: 50px;
	margin: 5px auto;
	cursor: pointer;
}

.highlight {
	position: absolute;
	background-color: grey;
	width: 14px;
	height: 14px;
	border-radius: 50%;
	top: 50%;
	left: 50%;
	transform: translate(-50%, -50%);
	cursor: pointer;
}