:root {
	--primary-color: #ff6b6b;
	--secondary-color: #4ecdc4;
	--text-color: #ffffff;
	--pixel-font: "VT323", monospace;
}

* {
	margin: 0;
	padding: 0;
	box-sizing: border-box;
	user-select: none;
}

body {
	overflow: hidden;
	background-color: #222;
	font-family: var(--pixel-font);
}

#game-container {
	position: absolute;
	top: 0;
	left: 0;
	width: 100vw;
	height: 100vh;
	z-index: 1;
}

#ui-layer {
	position: absolute;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
	z-index: 10;
	pointer-events: none;
	/* Let clicks pass through except on buttons */
}

/* Enable pointer events on interactive elements */
button {
	pointer-events: auto;
}

.center-screen {
	position: absolute;
	top: 50%;
	left: 50%;
	transform: translate(-50%, -50%);
	text-align: center;
	background: rgba(0, 0, 0, 0.4);
	padding: 2rem 4rem;
	border-radius: 1rem;
	backdrop-filter: blur(4px);
	border: 4px solid #fff;
	box-shadow: 0 10px 0 rgba(0, 0, 0, 0.2);
}

.title {
	font-size: 6rem;
	color: #ffd700;
	text-shadow: 4px 4px #ff6b6b;
	margin-bottom: 0.5rem;
	line-height: 1;
}

.subtitle {
	font-size: 2.5rem;
	color: #fff;
	margin-bottom: 2rem;
	text-transform: uppercase;
}

button {
	background: #fff;
	color: #222;
	border: none;
	padding: 1rem 2rem;
	font-size: 2.5rem;
	font-family: var(--pixel-font);
	cursor: pointer;
	transition: transform 0.1s, box-shadow 0.1s;
	box-shadow: 0 6px 0 #999;
}

button:active {
	transform: translateY(6px);
	box-shadow: 0 0 0 #999;
}

button:hover {
	background: #f0f0f0;
}

#instructions {
	position: absolute;
	top: 20px;
	right: 20px;
	background: linear-gradient(
		135deg,
		rgba(255, 255, 255, 0.2),
		rgba(255, 255, 255, 0.05)
	);
	padding: 1rem;
	border-radius: 10px;
	color: #fff;
	font-size: 1.5rem;
	text-align: right;
	backdrop-filter: blur(4px);
	border: 2px solid rgba(255, 255, 255, 0.3);
}

.key {
	display: inline-block;
	border: 2px solid #fff;
	border-radius: 4px;
	padding: 0 6px;
	margin: 0 2px;
	font-weight: bold;
	background: rgba(0, 0, 0, 0.3);
}

#score-display {
	position: absolute;
	top: 20px;
	left: 20px;
	font-size: 3rem;
	color: #fff;
	text-shadow: 2px 2px #000;
}

.hidden {
	display: none !important;
}