:root {
	color-scheme: dark;
	font-family:
		ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
		sans-serif;
	background: #000;
	color: #dce7e8;
	font-synthesis: none;
	--line: #263034;
	--quiet: #91a1a6;
	--accent: #85ddd4;
}
* {
	box-sizing: border-box;
}
body {
	margin: 0;
	height: 100dvh;
	display: grid;
	grid-template-rows: 64px minmax(0, 1fr) 64px;
	overflow: hidden;
}
button,
input,
summary,
a {
	touch-action: manipulation;
}
button,
a,
input,
summary {
	outline-offset: 4px;
}
button:focus-visible,
a:focus-visible,
canvas:focus-visible,
summary:focus-visible {
	outline: 2px solid var(--accent);
}
button {
	font: inherit;
	color: inherit;
	background: #11181b;
	border: 1px solid var(--line);
	border-radius: 7px;
	min-height: 44px;
	padding: 0 15px;
	cursor: pointer;
}
button:hover {
	background: #202c30;
}
button[aria-pressed="true"] {
	color: #a4f3e7;
	border-color: #4a8b81;
	background: #112d28;
}
button:disabled {
	opacity: 0.5;
	cursor: wait;
}
header,
footer {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 18px;
	padding: 8px 24px;
	background: #080c0e;
	z-index: 2;
}
header {
	border-bottom: 1px solid var(--line);
}
footer {
	border-top: 1px solid var(--line);
}
.brand {
	font-size: 17px;
	font-weight: 650;
	text-decoration: none;
	color: #e5eeed;
	white-space: nowrap;
}
.brand span {
	color: var(--quiet);
	font-size: 10px;
	letter-spacing: 0.15em;
	display: block;
	margin-top: 2px;
}
.stats {
	display: flex;
	gap: 24px;
	font:
		12px ui-monospace,
		SFMono-Regular,
		Consolas,
		monospace;
	color: var(--quiet);
}
.stats b {
	color: #e8eeee;
	margin-left: 5px;
	font-variant-numeric: tabular-nums;
}
.controls {
	display: flex;
	gap: 8px;
}
kbd {
	font:
		10px ui-monospace,
		monospace;
	color: #85989e;
	margin-left: 7px;
}
main {
	position: relative;
	min-height: 0;
	overflow: hidden;
}
canvas {
	display: block;
	width: 100%;
	height: 100%;
	touch-action: none;
}
canvas:focus {
	outline: none;
}
#hint {
	position: absolute;
	bottom: 12px;
	left: 0;
	width: 100%;
	pointer-events: none;
	color: #75868a;
	font-size: 12px;
	text-align: center;
}
#hint span {
	margin: 0 8px;
}
#loading {
	position: absolute;
	inset: 0;
	display: flex;
	flex-direction: column;
	justify-content: center;
	align-items: center;
	background: #000;
	text-align: center;
	padding: 24px;
}
#loading[hidden],
[hidden] {
	display: none !important;
}
h1 {
	font-size: clamp(22px, 4vw, 32px);
	font-weight: 500;
	letter-spacing: -0.025em;
	margin: 0 0 16px;
}
#loading p {
	color: var(--accent);
}
#loading small {
	color: var(--quiet);
	line-height: 1.6;
}
#retry {
	margin-top: 20px;
}
#settings {
	position: absolute;
	right: 16px;
	top: 74px;
	bottom: 76px;
	width: 320px;
	max-width: calc(100vw - 32px);
	overflow-y: auto;
	background: #0e1518;
	border: 1px solid #334247;
	border-radius: 10px;
	padding: 18px;
	z-index: 4;
	box-shadow: 0 16px 48px #0009;
}
.panel-title {
	display: flex;
	align-items: center;
	justify-content: space-between;
	margin-bottom: 20px;
}
.panel-title h2 {
	font-size: 18px;
	margin: 0;
	font-weight: 550;
}
.panel-title button {
	font-size: 22px;
	width: 44px;
	padding: 0;
}
.range-label {
	display: flex;
	justify-content: space-between;
	font-size: 13px;
}
.range-label output {
	color: var(--accent);
	font-variant-numeric: tabular-nums;
}
input[type="range"] {
	width: 100%;
	accent-color: var(--accent);
	height: 34px;
	margin: 2px 0 14px;
}
input[type="checkbox"] {
	accent-color: var(--accent);
	width: 18px;
	height: 18px;
	margin: 0 10px 0 0;
}
.check {
	min-height: 44px;
	display: flex;
	align-items: center;
	font-size: 13px;
	cursor: pointer;
}
.check kbd {
	margin-left: auto;
}
details {
	border-top: 1px solid var(--line);
	margin-top: 14px;
	padding-top: 8px;
	font-size: 12px;
	color: var(--quiet);
	line-height: 1.9;
}
summary {
	cursor: pointer;
	min-height: 44px;
	padding-top: 8px;
	color: #d7e3e6;
}
.note {
	font-size: 11px;
	color: var(--quiet);
	line-height: 1.6;
}
aside > a {
	display: block;
	font-size: 12px;
	line-height: 2;
	color: var(--accent);
}
#build {
	display: block;
	font:
		10px ui-monospace,
		monospace;
	color: #71858d;
	margin-top: 12px;
}
#performance {
	font:
		11px ui-monospace,
		monospace;
	color: #72878d;
	white-space: nowrap;
	font-variant-numeric: tabular-nums;
}
#joystick {
	display: none;
	position: absolute;
	bottom: 45px;
	left: 20px;
	width: 104px;
	height: 104px;
	border: 1px solid #526b7380;
	border-radius: 50%;
	background: #13282e44;
	touch-action: none;
}
#joystick span {
	position: absolute;
	inset: 32px;
	border: 1px solid #94c2ca66;
	border-radius: 50%;
	background: #456b7566;
	pointer-events: none;
}
@media (pointer: coarse), (max-width: 650px) {
	body.piloting #joystick {
		display: block;
	}
	#hint {
		font-size: 11px;
	}
}
@media (max-width: 650px) {
	body {
		grid-template-rows: 58px minmax(0, 1fr) 62px;
	}
	header,
	footer {
		padding: 6px 10px;
		gap: 8px;
	}
	.brand {
		font-size: 14px;
	}
	.brand span {
		font-size: 8px;
	}
	.stats {
		gap: 10px;
		font-size: 10px;
	}
	.stats span:first-child {
		display: none;
	}
	header button {
		padding: 0 10px;
		font-size: 12px;
	}
	.controls {
		gap: 6px;
	}
	.controls button {
		font-size: 12px;
		padding: 0 10px;
	}
	.controls kbd {
		display: none;
	}
	#performance {
		font-size: 9px;
		max-width: 65px;
		white-space: normal;
	}
	#hint {
		padding: 0 12px;
		font-size: 10px;
	}
	#hint span {
		margin: 0 3px;
	}
	#settings {
		top: 66px;
		bottom: 70px;
	}
}
@media (max-height: 450px) {
	body {
		grid-template-rows: 48px minmax(0, 1fr) 50px;
	}
	header,
	footer {
		padding-top: 2px;
		padding-bottom: 2px;
	}
	.brand span {
		display: none;
	}
	#hint {
		display: none;
	}
	#settings {
		top: 54px;
		bottom: 55px;
	}
}