:root {
	--bg: #2b2622;
	--card: #fbf5ea;
	--ink: #3b2c22;
	--accent: #b9824f;
	--accent-dark: #7a5232;
	--purple: #a66bd6;
}

* {
	box-sizing: border-box;
}

html,
body {
	margin: 0;
	height: 100%;
	overflow: hidden;
	background: var(--bg);
	color: var(--ink);
	font-family: system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
	-webkit-tap-highlight-color: transparent;
	user-select: none;
	-webkit-user-select: none;
}

canvas {
	display: block;
	touch-action: none;
	outline: none;
}

.overlay {
	position: fixed;
	inset: 0;
	display: flex;
	align-items: center;
	justify-content: center;
	padding: 16px;
	background: rgba(20, 15, 11, 0.62);
	backdrop-filter: blur(2px);
	overflow-y: auto;
}

.overlay[hidden],
[hidden] {
	display: none !important;
}

/* The demo game shows through behind the title card. */
.overlay.demo {
	background: rgba(20, 15, 11, 0.38);
	backdrop-filter: none;
}

.card {
	width: 100%;
	max-width: 420px;
	max-height: 100%;
	overflow-y: auto;
	background: var(--card);
	border-radius: 16px;
	padding: 20px 20px 16px;
	box-shadow: 0 12px 40px rgba(0, 0, 0, 0.45), inset 0 0 0 4px #e8d8bd;
	text-align: center;
}

/* Title card: the text scrolls if it must, the Start button never does. */
#title .card {
	display: flex;
	flex-direction: column;
	overflow: hidden;
	padding-bottom: 12px;
}

#title .body {
	flex: 1 1 auto;
	min-height: 0;
	overflow-y: auto;
	overscroll-behavior: contain;
	position: relative;
}

#title .body.more {
	-webkit-mask-image: linear-gradient(to bottom, #000 calc(100% - 36px), transparent);
	mask-image: linear-gradient(to bottom, #000 calc(100% - 36px), transparent);
}

#title .foot {
	flex: none;
	padding-top: 8px;
	border-top: 1px solid #eadcc4;
}

#title .body.more + .foot::before {
	content: 'scroll for more \2193';
	display: block;
	margin: -4px 0 6px;
	font-size: 11px;
	color: #a08467;
}

.card.small {
	max-width: 340px;
}

.sub {
	margin: 6px 0 16px;
	color: #5c4635;
}

.tiles {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 8px;
	margin: 12px 0 10px;
}

.tiles div {
	background: #f1e6d3;
	border-radius: 10px;
	padding: 6px 4px;
}

.tiles dt {
	font-size: 11px;
	font-weight: 700;
	text-transform: uppercase;
	letter-spacing: 0.5px;
	color: #8a6d52;
}

.tiles dd {
	margin: 2px 0 0;
	font-size: 20px;
	font-weight: 900;
}

/* Pause and sound: real buttons laid over the painted score bar. */
#hud-buttons {
	position: fixed;
	display: flex;
	gap: var(--gap, 6px);
	z-index: 2;
}

#hud-buttons .icon {
	width: var(--btn, 32px);
	height: var(--btn, 32px);
	padding: 0;
	border: 0;
	border-radius: 8px;
	background: rgba(255, 255, 255, 0.1);
	display: grid;
	place-items: center;
}

#hud-buttons .icon:active {
	transform: none;
	background: rgba(255, 255, 255, 0.22);
}

#hud-buttons svg {
	width: 62%;
	height: 62%;
	fill: #fff7ea;
	stroke: #fff7ea;
	stroke-width: 0;
	stroke-linecap: round;
}

#hud-buttons .on,
#hud-buttons .off {
	fill: none;
	stroke-width: 2.2;
}

#hud-buttons .off,
#hud-buttons .is-muted .on,
#hud-buttons .play,
#hud-buttons .is-paused .bars {
	display: none;
}

#hud-buttons .is-muted .off,
#hud-buttons .is-paused .play {
	display: inline;
}

h1 {
	margin: 0;
	font-size: 44px;
	font-weight: 900;
	letter-spacing: -1px;
	color: var(--accent-dark);
}

h1 span {
	color: var(--purple);
}

h2 {
	margin: 4px 0 0;
	font-size: 26px;
	font-weight: 900;
	color: var(--accent-dark);
}

.tag {
	margin: 2px 0 12px;
	font-style: italic;
	color: #8a6d52;
	font-size: 14px;
}

.how {
	text-align: left;
	font-size: 13.5px;
	line-height: 1.45;
	margin: 0 0 10px;
}

.keys {
	text-align: left;
	font-size: 12.5px;
	line-height: 1.4;
	margin: 0 0 14px;
	padding-left: 18px;
	color: #5c4635;
}

@media (hover: none) {
	.keys .desk {
		display: none;
	}
}

button {
	font: inherit;
	font-weight: 800;
	font-size: 18px;
	color: #fff;
	background: var(--accent);
	border: 0;
	border-bottom: 4px solid var(--accent-dark);
	border-radius: 12px;
	padding: 12px 28px;
	cursor: pointer;
}

button:active {
	transform: translateY(2px);
	border-bottom-width: 2px;
}

button:focus-visible {
	outline: 3px solid var(--purple);
	outline-offset: 3px;
}

.best {
	margin: 10px 0 14px;
	font-size: 13px;
	color: #8a6d52;
}

.score {
	margin: 6px 0 0;
	font-size: 48px;
	font-weight: 900;
	color: var(--ink);
}

.new {
	margin: 0;
	font-weight: 800;
	color: var(--purple);
}

.stats {
	margin: 6px 0 14px;
	font-size: 13px;
	color: #5c4635;
}

@media (max-height: 700px), (max-width: 380px) {
	#title .card {
		padding-bottom: 10px;
	}
	.card {
		padding: 14px 14px 12px;
	}
	h1 {
		font-size: 34px;
	}
	.tag {
		font-size: 12.5px;
		margin-bottom: 8px;
	}
	.how {
		font-size: 12.5px;
		line-height: 1.38;
	}
	.keys {
		font-size: 11.5px;
		margin-bottom: 10px;
	}
	button {
		font-size: 16px;
		padding: 10px 24px;
	}
	.best {
		margin: 6px 0 4px;
	}
}

/* Phones on their side: a wide, short card. */
@media (max-height: 480px) and (orientation: landscape) {
	.overlay {
		padding: 10px;
	}
	.card {
		max-width: 620px;
	}
	h1 {
		font-size: 28px;
		display: inline-block;
		margin-right: 10px;
	}
	.tag {
		display: inline-block;
		margin: 0 0 6px;
	}
	.how {
		font-size: 12px;
		line-height: 1.35;
	}
	.keys {
		font-size: 11px;
		margin-bottom: 4px;
	}
	#title .foot {
		display: flex;
		align-items: center;
		justify-content: center;
		gap: 16px;
		padding-top: 6px;
	}
	#title .body.more + .foot::before {
		margin: 0;
	}
	#title .foot .best {
		margin: 0;
	}
	.card.small h2 {
		font-size: 22px;
	}
	.score {
		font-size: 34px;
	}
	.tiles {
		grid-template-columns: repeat(4, 1fr);
		margin: 8px 0 6px;
	}
}