* {
	margin: 0;
	padding: 0;
	box-sizing: border-box;
}

body {
	font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
	background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
	min-height: 100vh;
	padding: 2rem;
	display: flex;
	justify-content: center;
	align-items: center;
}

.container {
	background: white;
	border-radius: 20px;
	box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
	padding: 3rem;
	position: relative;
	max-width: 900px;
	width: 100%;
}

h1 {
	color: #333;
	margin-bottom: 0.5rem;
	font-size: 2.5em;
	background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
	-webkit-background-clip: text;
	-webkit-text-fill-color: transparent;
	background-clip: text;
}

p {
	color: #666;
	margin-bottom: 2rem;
	font-size: 0.95em;
}

code {
	background: #f0f0f0;
	padding: 0.2rem 0.5rem;
	border-radius: 4px;
	font-family: "Courier New", monospace;
	color: #d63384;
}

.controls {
	display: flex;
	gap: 1rem;
	margin-bottom: 2rem;
	align-items: center;
}

input[type="file"] {
	flex: 1;
	padding: 0.75rem;
	border: 2px solid #e0e0e0;
	border-radius: 10px;
	font-size: 1em;
	transition: border-color 0.3s;
	cursor: pointer;
}

input[type="file"]:hover {
	border-color: #667eea;
}

input[type="file"]:focus {
	outline: none;
	border-color: #667eea;
	box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

button {
	padding: 0.75rem 2rem;
	background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
	color: white;
	border: none;
	border-radius: 10px;
	font-size: 1em;
	font-weight: 600;
	cursor: pointer;
	transition:
		transform 0.2s,
		box-shadow 0.2s;
}

button:hover {
	transform: translateY(-2px);
	box-shadow: 0 10px 30px rgba(102, 126, 234, 0.4);
}

button:active {
	transform: translateY(0);
}

/* Back link styled as a small button in the top-right of the demo card */
a.home {
	position: absolute;
	top: 1rem;
	right: 1rem;
	display: inline-block;
	padding: 0.4rem 0.8rem;
	background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
	color: white;
	text-decoration: none;
	border-radius: 8px;
	font-weight: 600;
	box-shadow: 0 6px 18px rgba(102, 126, 234, 0.25);
}

a.home:hover {
	transform: translateY(-2px);
}

h2 {
	color: #333;
	margin-bottom: 1rem;
	font-size: 1.5em;
	padding-bottom: 0.5rem;
	border-bottom: 2px solid #e0e0e0;
}

/* For text output */
pre {
	white-space: pre-wrap;
	background: #f8f9fa;
	border: 1px solid #e0e0e0;
	padding: 1.5rem;
	max-height: 60vh;
	overflow: auto;
	border-radius: 10px;
	font-family: "Courier New", monospace;
	font-size: 0.9em;
	line-height: 1.5;
	color: #333;
}

/* For image output */
#output {
	background: #f8f9fa;
	border: 1px solid #e0e0e0;
	padding: 1.5rem;
	max-height: 70vh;
	overflow: auto;
	border-radius: 10px;
	font-family: "Courier New", monospace;
	font-size: 0.9em;
	line-height: 1.5;
	color: #333;
}

/* Scrollbar styles */
pre::-webkit-scrollbar,
#output::-webkit-scrollbar {
	width: 8px;
	height: 8px;
}

pre::-webkit-scrollbar-track,
#output::-webkit-scrollbar-track {
	background: #f1f1f1;
	border-radius: 10px;
}

pre::-webkit-scrollbar-thumb,
#output::-webkit-scrollbar-thumb {
	background: #888;
	border-radius: 10px;
}

pre::-webkit-scrollbar-thumb:hover,
#output::-webkit-scrollbar-thumb:hover {
	background: #555;
}

.page-image {
	margin-bottom: 2rem;
	border: 1px solid #e0e0e0;
	border-radius: 10px;
	overflow: hidden;
	background: white;
}

.page-image h3 {
	background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
	color: white;
	padding: 0.75rem 1rem;
	margin: 0;
	font-size: 1.1em;
}

.page-image img {
	width: 100%;
	height: auto;
	display: block;
}

.status {
	padding: 1rem;
	text-align: center;
	color: #666;
}