:root {
	--bg-base: #09090b;
	--bg-surface: #121215;
	--bg-input: #1c1c21;
	--border-color: #27272a;
	--text-primary: #f4f4f5;
	--text-secondary: #94949e;
	--accent: #3b82f6;
	--accent-hover: #60a5fa;
	--success: #10b981;
	--danger: #dc2626;
}

body { 
	font-family: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif; 
	padding: 15px; 
	background: var(--bg-base); 
	color: var(--text-primary); 
	max-width: 800px;
	margin: 0 auto;
	line-height: 1.4;
	-webkit-font-smoothing: antialiased;
}
* {
	box-sizing: border-box;
}

.header-container {
	display: flex;
	justify-content: space-between;
	align-items: center;
	margin-bottom: 15px;
	border-bottom: 1px solid var(--border-color);
	padding-bottom: 10px;
}

.github-link {
	color: var(--text-secondary);
	display: inline-flex;
	align-items: center;
}

.github-link:hover {
	color: var(--text-primary);
}

h1 {
	font-family: 'Outfit', sans-serif;
	font-size: 24px;
	font-weight: 700;
	margin: 0;
	color: var(--text-primary);
	letter-spacing: -0.02em;
}

.subtitle {
	font-size: 12px;
	color: var(--text-secondary);
	margin-top: 2px;
}

.section { 
	background: var(--bg-surface); 
	padding: 15px; 
	border-radius: 6px; 
	margin-bottom: 12px; 
	border: 1px solid var(--border-color);
}

@media (max-width: 500px) {
	.section {
		padding: 10px;
	}
	button {
		padding: 6px 10px;
		font-size: 12px;
	}
	input, select {
		font-size: 13px;
	}
}
h3 { 
	margin-top: 0; 
	border-bottom: 1px solid var(--border-color); 
	padding-bottom: 8px; 
	font-size: 14px;
	font-weight: 600;
	color: var(--text-primary);
}
.row { 
	display: flex; 
	gap: 10px; 
	margin-bottom: 10px; 
	flex-wrap: wrap; 
	align-items: flex-end; 
}
.col {
	display: flex;
	flex-direction: column;
	gap: 4px;
}
label { 
	display: block; 
	font-size: 10px; 
	color: var(--text-secondary); 
	font-weight: 600;
	text-transform: uppercase;
	letter-spacing: 0.05em;
}
input, select, textarea { 
	background: var(--bg-input); 
	color: var(--text-primary); 
	border: 1px solid var(--border-color); 
	padding: 6px 10px; 
	border-radius: 4px; 
	font-family: inherit;
	font-size: 13px;
	outline: none;
}
input:focus, select:focus, textarea:focus {
	border-color: var(--accent);
}
input[type="number"] {
	width: 75px;
}
input[type="color"] { 
	padding: 0; 
	height: 30px; 
	width: 35px; 
	cursor: pointer;
	border: 1px solid var(--border-color);
	border-radius: 4px;
	background: none;
}
input[type="color"]::-webkit-color-swatch-wrapper {
	padding: 0;
}
input[type="color"]::-webkit-color-swatch {
	border: none;
	border-radius: 3px;
}
button { 
	background: #27272a;
	color: var(--text-primary); 
	border: 1px solid var(--border-color); 
	padding: 5px 10px; 
	border-radius: 4px; 
	cursor: pointer; 
	font-weight: 600; 
	font-family: inherit;
	font-size: 12px;
	display: inline-flex;
	align-items: center;
	justify-content: center;
	gap: 4px;
}
button:hover { 
	background: #3f3f46;
}
button.small { 
	padding: 3px 6px; 
	font-size: 10px; 
}
button.small:disabled {
	opacity: 0.4;
	cursor: not-allowed;
	background: #18181b;
	color: #52525b;
}
button.success {
	background: var(--success);
	color: white;
	border: none;
}
button.success:hover {
	background: #059669;
}

@media (hover: none) {
	button.success:hover {
		background: var(--success);
	}
	button.danger:hover {
		background: var(--danger);
	}
}
button.danger {
	background: var(--danger);
	color: white;
	border: none;
}
button.danger:hover {
	background: #ef4444;
}
button.btn-accent {
	background: var(--accent);
	color: #ffffff;
	border: none;
}
button.btn-accent:hover {
	background: var(--accent-hover);
}
button.btn-secondary {
	background: #27272a;
	border: 1px solid var(--border-color);
}
button.btn-secondary:hover {
	background: #3f3f46;
}
#preview { 
	background: 
		linear-gradient(45deg, #141416 25%, transparent 25%), 
		linear-gradient(-45deg, #141416 25%, transparent 25%), 
		linear-gradient(45deg, transparent 75%, #141416 75%), 
		linear-gradient(-45deg, transparent 75%, #141416 75%);
	background-size: 20px 20px;
	background-position: 0 0, 0 10px, 10px -10px, -10px 0px;
	background-color: #0b0b0c;
	padding: 15px; 
	border-radius: 6px; 
	border: 1px solid var(--border-color);
	text-align: center; 
	margin: 15px 0; 
	overflow: hidden;
	display: flex;
	justify-content: center;
	align-items: center;
	position: relative;
	cursor: grab;
	user-select: none;
	touch-action: none;
}
#preview svg { 
	background-color: transparent;
	border-radius: inherit;
	display: block;
}
.layer-card { 
	background: #18181b; 
	padding: 10px; 
	margin-bottom: 10px; 
	border-radius: 6px; 
	border: 1px solid var(--border-color);
	border-left: 3px solid var(--accent); 
}
.layer-header { 
	display: flex; 
	justify-content: space-between; 
	margin-bottom: 8px; 
	font-size: 12px; 
	font-weight: 600;
	color: var(--text-primary);
	align-items: center;
}
.layer-header div {
	display: flex;
	gap: 4px;
}
.url-box { 
	background: var(--bg-input); 
	padding: 10px; 
	font-size: 11px; 
	word-break: break-all; 
	margin-top: 10px; 
	border-radius: 4px;
	border: 1px solid var(--border-color);
	color: var(--text-secondary);
}
.url-box strong {
	color: var(--text-primary);
}
.hint { 
	font-size: 11px; 
	color: var(--text-secondary); 
	margin-top: 4px; 
}

.layer-header {
	flex-wrap: wrap;
}

@media (max-width: 400px) {
	.layer-header > div {
		flex-wrap: wrap;
	}
	.layer-header > div button {
		min-width: calc(33% - 3px);
		font-size: 10px !important;
		padding: 5px 3px !important;
	}
	button {
		font-size: 11px !important;
		padding: 6px 8px !important;
	}
	input, select {
		font-size: 12px !important;
	}
}

@media (max-width: 600px) {
	body {
		padding: 8px;
	}
	.header-container {
		flex-direction: column;
		align-items: flex-start;
		gap: 8px;
	}
	.row {
		flex-direction: column;
		align-items: stretch;
		gap: 10px;
	}
	input, select {
		width: 100% !important;
		font-size: 14px !important;
	}
	button {
		width: 100% !important;
		font-size: 12px !important;
		padding: 8px 10px !important;
	}
	input[type="number"] {
		width: 100% !important;
	}
	input[type="color"] {
		height: 36px;
		width: 100% !important;
	}
	.layer-card .row {
		flex-direction: column;
		gap: 8px;
	}
	.layer-card .row > div {
		flex: 1;
		width: 100%;
		min-width: 100%;
	}
	.layer-card .row > div.full-width {
		min-width: 100%;
	}
	.layer-header {
		flex-direction: column;
		align-items: flex-start;
		gap: 6px;
	}
	.layer-header > div {
		width: 100%;
		display: flex;
		flex-wrap: wrap;
		gap: 4px;
	}
	.layer-header > div button {
		flex: 1;
		min-width: calc(50% - 2px);
		padding: 6px 4px;
		font-size: 11px !important;
	}
	.section {
		padding: 10px;
	}
	h1 {
		font-size: 18px;
	}
	.subtitle {
		font-size: 10px;
	}
	#preview {
		padding: 8px;
		min-height: 180px;
	}
	.zoom-controls {
		flex-direction: column;
		gap: 3px;
		right: 6px;
		top: 6px;
	}
	.zoom-controls button {
		width: auto !important;
		min-width: 30px;
		padding: 4px 8px !important;
		font-size: 11px !important;
	}
	/* Stack output buttons on mobile */
	#layersContainer + .section .row {
		flex-direction: column;
	}
}