:root {
	--bg: #16161a;
	--panel: #222228;
	--panel-2: #2a2a31;
	--border: #34343d;
	--text: #e2e2e6;
	--dim: #a3a3ad;
	--accent: #d08a3c;
	--accent-ink: #1a1208;
	--danger: #ff8f8f;
	--radius: 6px;
	--font: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
	--mono: ui-monospace, 'JetBrains Mono', Consolas, monospace;
	color-scheme: dark;
}

* {
	box-sizing: border-box;
}

[hidden] {
	display: none !important;
}

body {
	margin: 0;
	background: var(--bg);
	color: var(--text);
	font: 14px/1.5 var(--font);
}

a {
	color: var(--accent);
}

header {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 16px;
	padding: 12px 20px;
	border-bottom: 1px solid var(--border);
	flex-wrap: wrap;
}

.brand {
	display: flex;
	align-items: center;
	gap: 10px;
	flex-wrap: wrap;
}

h1 {
	margin: 0;
	font-size: 20px;
	letter-spacing: 0.01em;
}

.tag {
	color: var(--dim);
}

nav {
	display: flex;
	gap: 16px;
}

nav a {
	color: var(--text);
	text-decoration: none;
}

nav a:hover {
	color: var(--accent);
}

main {
	display: grid;
	grid-template-columns: 260px minmax(0, 1fr) 240px;
	gap: 16px;
	padding: 16px 20px;
	min-height: calc(100vh - 120px);
}

.panel {
	display: flex;
	flex-direction: column;
	gap: 14px;
}

h2 {
	margin: 0 0 6px;
	font-size: 13px;
	text-transform: uppercase;
	letter-spacing: 0.06em;
	color: var(--dim);
}

.drop {
	display: flex;
	flex-direction: column;
	align-items: center;
	justify-content: center;
	gap: 4px;
	height: 120px;
	border: 2px dashed var(--border);
	border-radius: var(--radius);
	background: var(--panel);
	cursor: pointer;
	text-align: center;
}

.drop span {
	color: var(--dim);
}

.drop:hover,
.drop.over,
.drop:focus-visible {
	border-color: var(--accent);
	outline: none;
}

.examples {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: 6px;
}

.examples button {
	padding: 4px;
	background: var(--panel);
	border: 1px solid transparent;
	border-radius: var(--radius);
	cursor: pointer;
	aspect-ratio: 1;
	display: grid;
	place-items: center;
}

.examples button.on,
.examples button:hover {
	border-color: var(--accent);
}

.examples img {
	max-width: 100%;
	max-height: 64px;
	image-rendering: pixelated;
}

.options {
	display: flex;
	flex-direction: column;
	gap: 10px;
}

label {
	display: flex;
	flex-direction: column;
	gap: 4px;
}

label.check {
	flex-direction: row;
	align-items: center;
	gap: 8px;
}

.xy {
	display: flex;
	gap: 8px;
}

.xy label {
	flex: 1;
	flex-direction: row;
	align-items: center;
}

.xy input {
	width: 100%;
	min-width: 0;
}

select,
input[type='number'],
button {
	font: inherit;
	color: var(--text);
	background: var(--panel-2);
	border: 1px solid var(--border);
	border-radius: 4px;
	padding: 5px 8px;
}

button {
	cursor: pointer;
}

button:disabled {
	opacity: 0.5;
	cursor: default;
}

button.primary {
	background: var(--accent);
	border-color: var(--accent);
	color: var(--accent-ink);
	font-weight: 600;
	padding: 8px;
}

.stage {
	display: flex;
	flex-direction: column;
	gap: 10px;
	min-width: 0;
}

.viewport {
	position: relative;
	flex: 1;
	min-height: 380px;
}

canvas {
	width: 100%;
	height: 100%;
	display: block;
	border-radius: var(--radius);
	cursor: grab;
}

.tools {
	position: absolute;
	top: 8px;
	left: 8px;
	right: 8px;
	display: flex;
	gap: 4px;
	flex-wrap: wrap;
}

.tools button {
	padding: 2px 9px;
	background: rgba(30, 30, 36, 0.85);
}

.tools button.on {
	background: var(--accent);
	border-color: var(--accent);
	color: var(--accent-ink);
}

.tools .gap {
	flex: 1;
}

.hint {
	position: absolute;
	inset: 0;
	display: grid;
	place-items: center;
	color: var(--dim);
	pointer-events: none;
	padding: 20px;
	text-align: center;
}

.badge {
	position: absolute;
	right: 10px;
	bottom: 10px;
	padding: 2px 8px;
	border-radius: 4px;
	background: rgba(30, 30, 36, 0.85);
}

.flat {
	display: flex;
	gap: 10px;
}

figure {
	margin: 0;
	display: flex;
	flex-direction: column;
	gap: 4px;
}

figure:not(.grow) {
	flex: none;
	width: 140px;
}

figure.grow {
	flex: 1;
	min-width: 0;
}

figcaption {
	color: var(--dim);
	font-size: 12px;
}

.pic {
	height: 136px;
	min-width: 136px;
	display: flex;
	align-items: center;
	justify-content: center;
	background: var(--panel);
	border-radius: var(--radius);
	padding: 4px;
}

.pic img {
	width: 100%;
	height: 128px;
	object-fit: contain;
	image-rendering: pixelated;
}

.pic img:not([src]) {
	visibility: hidden;
}

#name {
	text-transform: none;
	letter-spacing: normal;
	color: var(--text);
	font-size: 15px;
	overflow-wrap: anywhere;
}

dl {
	display: grid;
	grid-template-columns: auto 1fr;
	gap: 4px 12px;
	margin: 0;
}

dt {
	color: var(--dim);
}

dd {
	margin: 0;
	white-space: pre-line;
}

.error {
	color: var(--danger);
	margin: 0;
}

.dim {
	color: var(--dim);
}

.small {
	font-size: 12px;
}

article {
	max-width: 860px;
	margin: 24px auto;
	padding: 0 20px;
}

article h2 {
	margin-top: 28px;
}

article li {
	margin-bottom: 6px;
}

pre,
code {
	font-family: var(--mono);
	font-size: 13px;
}

pre {
	background: var(--panel);
	border-radius: var(--radius);
	padding: 12px 14px;
	overflow-x: auto;
}

footer {
	display: flex;
	justify-content: space-between;
	gap: 12px;
	flex-wrap: wrap;
	padding: 16px 20px;
	border-top: 1px solid var(--border);
	color: var(--dim);
}

@media (max-width: 1000px) {
	main {
		grid-template-columns: 1fr;
	}
	.viewport {
		min-height: 320px;
	}
}