@import url(https://fonts.googleapis.com/css?family=Press+Start+2P:regular);

:root {
	--white-400: #ffe9e9;
	--white-500: #ffb3b3;

	--red-300: #e46666;
	--red-400: #c94f4f;
	--red-700: #7a1f1f;
	--red-800: #120505;

	--radius-sm: 6px;
	--radius-md: 10px;
	--radius-lg: 16px;

	--color-start: var(--white-500);
	--color-bg: radial-gradient(
		circle at center,
		var(--red-700),
		var(--red-800)
	);

	--font-primary: 'Press Start 2P', monospace;

	--rem: calc(1rem / 16);
	--character-size: clamp(calc(19 * var(--rem)), 5vw, calc(50 * var(--rem)));
	--tile-count-vertical: 11;
	--tile-count-horizontal: 20;
	--map-width: calc(var(--tile-count-horizontal) * var(--character-size));
	--map-height: calc(var(--tile-count-vertical) * var(--character-size));
}

*,
*::before,
*::after {
	margin: 0;
	padding: 0;
	box-sizing: border-box;
}

html {
	font-size: 100%;
	font-family: var(--font-primary);
}

body {
	background: var(--color-bg);
	height: 100vh;
	width: 100vw;
	overflow: hidden;
}

.container {
	height: 100%;
	display: flex;
	align-items: center;
	justify-content: center;
}

.start-screen.hidden,
.game-screen.hidden,
.game-over-overlay.hidden,
.win-overlay.hidden {
	display: none;
}

.start-screen {
	text-align: center;
	color: var(--white-400);
	display: flex;
	flex-direction: column;
	align-items: center;
}

.title {
	font-size: clamp(1.5rem, 5vw, 3.5rem);
	letter-spacing: 4px;
	text-shadow:
		0 0 5px var(--red-300),
		0 0 10px var(--red-300),
		0 0 20px var(--red-400),
		2px 2px #200b0b;
	animation: pulseGlow 2s infinite;
}

@keyframes pulseGlow {
	0% {
		text-shadow: 0 0 5px var(--red-300);
	}
	50% {
		text-shadow: 0 0 25px var(--red-300);
	}
	100% {
		text-shadow: 0 0 5px var(--red-300);
	}
}

.subtitle {
	font-size: clamp(0.5rem, 5vw, 0.7rem);
	margin-top: 15px;
	color: var(--white-500);
	text-shadow: 0 0 5px var(--red-300);
}

.menu-box {
	margin-top: 40px;
	padding: 20px;
	border: 2px solid var(--red-300);
	border-radius: var(--radius-md);
	background: #e466660d;
	box-shadow: 0 0 15px rgba(228, 102, 102, 0.2);
	font-size: 0.6rem;
	line-height: 1.8;
}

.menu-buttons {
	margin-top: 40px;
	display: flex;
	flex-direction: column;
	gap: 15px;
}

.menu-btn {
	font-family: var(--font-primary);
	font-size: 0.7rem;
	padding: 12px 20px;
	border: 2px solid var(--red-300);
	background: transparent;
	color: var(--white-400);
	cursor: pointer;
	border-radius: var(--radius-sm);
	transition: all 0.2s ease;
}

.menu-btn:hover {
	background: var(--red-300);
	color: #120505;
	box-shadow: 0 0 10px var(--red-300);
}

.game-screen {
	position: relative;
	box-sizing: content-box;
	width: var(--map-width);
	height: var(--map-height);
	border: 1px solid var(--red-400);
	border-radius: var(--radius-lg);
	/* overflow: hidden; */
}

.tiles-container {
	position: absolute;
	top: 0;
	left: 0;
	z-index: -100;
}

.tiles {
	display: inline-block;
	width: var(--character-size);
	height: var(--character-size);

	&.wall {
		background: url('../assets/images/moving-cell.gif') no-repeat
			center/cover;
	}

	&.pill {
		background: url('../assets/images/pill.png') no-repeat center/cover;
	}
}

.white-cell {
	position: absolute;
	z-index: 100;
	width: var(--character-size);
	height: var(--character-size);
	background: url('../assets/images/white-blood.gif') no-repeat center/cover;
}

.enemy {
	position: absolute;
	z-index: 100;
	width: var(--character-size);
	height: var(--character-size);

	&.biru {
		background: url('../assets/images/biru.gif') no-repeat center/cover;
	}

	&.bacu {
		background: url('../assets/images/bacu.gif') no-repeat center/cover;
	}

	&.gemru {
		background: url('../assets/images/gemru.gif') no-repeat center/cover;
	}
}

.score-ui {
	position: absolute;
	top: -1.1rem;
	left: 10px;
	font-size: 0.7rem;
	color: var(--white-400);
	z-index: 150;
	text-shadow: 0 0 5px var(--red-300);
}

.game-over-overlay {
	position: absolute;
	inset: 0;
	background: rgba(18, 5, 5, 0.9);
	display: flex;
	flex-direction: column;
	align-items: center;
	justify-content: center;
	gap: 20px;
	border-radius: var(--radius-lg);
	color: var(--white-400);
	z-index: 200;
}

.win-overlay {
	position: absolute;
	inset: 0;
	background: rgba(5, 18, 5, 0.9);
	display: flex;
	flex-direction: column;
	align-items: center;
	justify-content: center;
	gap: 20px;
	border-radius: var(--radius-lg);
	color: var(--white-400);
	z-index: 200;
}