:root {
	color-scheme: dark;
	font-family: Arial, Helvetica, sans-serif;
}

body {
	margin: 0;
	background: #111827;
	color: #f9fafb;
}

.container {
	max-width: 980px;
	margin: 0 auto;
	padding: 24px;
}

.card {
	background: #1f2937;
	border: 1px solid #374151;
	border-radius: 12px;
	padding: 20px;
	margin-bottom: 20px;
}

.actions {
	display: flex;
	gap: 12px;
	margin-bottom: 16px;
}

button {
	border: 0;
	border-radius: 8px;
	padding: 10px 16px;
	cursor: pointer;
	font-size: 16px;
}

button:disabled {
	opacity: 0.6;
	cursor: default;
}

.preview-wrap {
	width: 100%;
	aspect-ratio: 16/9;
	background: #0b1220;
	border: 1px solid #374151;
	border-radius: 8px;
	overflow: hidden;
	margin-bottom: 16px;
	display: flex;
	align-items: center;
	justify-content: center;
}

.preview-wrap img {
	width: 100%;
	height: 100%;
	object-fit: contain;
	display: block;
}

pre {
	background: #0b1220;
	border: 1px solid #374151;
	border-radius: 8px;
	padding: 12px;
	white-space: pre-wrap;
}