html,
body {
	margin: 0;
	padding: 0;
	width: 100%;
	height: 100%;
	overflow: hidden;
	overscroll-behavior: none;
	background: #fff;
	touch-action: none;
}

#logo {
	position: fixed;
	inset: 0;
	margin: auto;
	width: min(42vw, 42vh, 420px);
	height: auto;
	z-index: 1;
	pointer-events: none;
	opacity: 0;
	transition: opacity 1.1s ease;
}

#logo.visible {
	opacity: 1;
}

#logo.layer-off {
	display: none;
}

canvas#puffs-canvas,
canvas#bags-canvas {
	position: fixed;
	inset: 0;
	width: 100%;
	height: 100%;
	opacity: 0;
	transition: opacity 0.8s ease;
}

canvas#puffs-canvas.visible,
canvas#bags-canvas.visible {
	opacity: 1;
}

canvas#puffs-canvas {
	z-index: 0;
	pointer-events: none;
}

canvas#bags-canvas {
	z-index: 2;
	cursor: default;
}

.menu {
	position: fixed;
	top: max(12px, env(safe-area-inset-top));
	right: max(12px, env(safe-area-inset-right));
	z-index: 10;
}

.menu-button {
	width: 44px;
	height: 44px;
	border: none;
	border-radius: 999px;
	background: rgba(20, 20, 20, 0.12);
	color: rgba(20, 20, 20, 0.55);
	backdrop-filter: blur(6px);
	-webkit-backdrop-filter: blur(6px);
	display: flex;
	align-items: center;
	justify-content: center;
	cursor: pointer;
	transition: background 0.2s ease, color 0.2s ease;
}

.menu-button:hover,
.menu-button:focus-visible {
	background: rgba(20, 20, 20, 0.22);
	color: rgba(20, 20, 20, 0.85);
}

.menu-button svg {
	fill: currentColor;
}

.menu-panel {
	position: absolute;
	top: calc(100% + 8px);
	right: 0;
	min-width: 140px;
	padding: 10px 14px;
	border-radius: 14px;
	background: rgba(255, 255, 255, 0.75);
	backdrop-filter: blur(10px);
	-webkit-backdrop-filter: blur(10px);
	box-shadow: 0 6px 24px rgba(0, 0, 0, 0.12);
}

.menu-panel[hidden] {
	display: none;
}

.menu-row {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 16px;
	padding: 6px 0;
	font: 14px/1.2 system-ui, sans-serif;
	color: #333;
	user-select: none;
}

.menu-row input[type="checkbox"] {
	width: 20px;
	height: 20px;
	accent-color: #e20714;
	cursor: pointer;
}

@media (prefers-reduced-motion: reduce) {
	#logo,
	canvas#puffs-canvas,
	canvas#bags-canvas {
		transition-duration: 0.3s;
	}
}