* {
	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: 20px;
	color: #333;
}

.container {
	max-width: 1200px;
	margin: 0 auto;
	background: white;
	border-radius: 20px;
	box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
	overflow: hidden;
}

header {
	background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
	color: white;
	padding: 40px 20px;
	text-align: center;
}

header h1 {
	font-size: 2.5em;
	margin-bottom: 10px;
}

.subtitle {
	font-size: 1.2em;
	opacity: 0.9;
}

.info-box {
	background: #f8f9fa;
	padding: 20px;
	border-left: 4px solid #667eea;
	margin: 20px;
}

.main-content {
	padding: 30px 20px;
	display: grid;
	gap: 30px;
}

.upload-section,
.results-section {
	background: #f8f9fa;
	padding: 30px;
	border-radius: 10px;
}

.upload-section h2,
.results-section h2 {
	color: #667eea;
	margin-bottom: 20px;
}

.file-upload {
	margin-bottom: 20px;
}

.file-label {
	display: block;
	padding: 30px;
	background: white;
	border: 3px dashed #667eea;
	border-radius: 10px;
	text-align: center;
	cursor: pointer;
	transition: all 0.3s ease;
}

.file-label:hover {
	background: #f0f4ff;
	border-color: #764ba2;
}

.upload-icon {
	font-size: 3em;
	display: block;
	margin-bottom: 10px;
}

#imageInput {
	display: none;
}

.preview-container {
	margin: 20px 0;
}

.preview-container h3 {
	margin-bottom: 10px;
	color: #667eea;
}

#imagePreview {
	max-width: 100%;
	max-height: 400px;
	border-radius: 10px;
	box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.advanced-settings {
	background: white;
	padding: 15px;
	border-radius: 8px;
	margin: 20px 0;
}

.advanced-settings summary {
	cursor: pointer;
	font-weight: bold;
	color: #667eea;
	padding: 10px;
}

.settings-content {
	padding: 20px 10px 10px;
}

.slider-group {
	margin-bottom: 20px;
}

.slider-group label {
	display: block;
	margin-bottom: 8px;
	font-weight: 500;
	color: #333;
}

.slider-group input[type="range"] {
	width: 100%;
	height: 8px;
	border-radius: 5px;
	background: #ddd;
	outline: none;
	-webkit-appearance: none;
}

.slider-group input[type="range"]::-webkit-slider-thumb {
	-webkit-appearance: none;
	appearance: none;
	width: 20px;
	height: 20px;
	border-radius: 50%;
	background: #667eea;
	cursor: pointer;
}

.slider-group input[type="range"]::-moz-range-thumb {
	width: 20px;
	height: 20px;
	border-radius: 50%;
	background: #667eea;
	cursor: pointer;
	border: none;
}

.slider-group small {
	display: block;
	margin-top: 5px;
	color: #666;
	font-size: 0.9em;
}

.detect-btn,
.reset-btn {
	width: 100%;
	padding: 15px 30px;
	font-size: 1.1em;
	font-weight: bold;
	color: white;
	background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
	border: none;
	border-radius: 8px;
	cursor: pointer;
	transition: all 0.3s ease;
	margin-top: 10px;
}

.detect-btn:hover,
.reset-btn:hover {
	transform: translateY(-2px);
	box-shadow: 0 6px 12px rgba(102, 126, 234, 0.4);
}

.detect-btn:active,
.reset-btn:active {
	transform: translateY(0);
}

.detect-btn:disabled {
	opacity: 0.6;
	cursor: not-allowed;
}

.loading {
	text-align: center;
	padding: 30px;
}

.spinner {
	border: 4px solid #f3f3f3;
	border-top: 4px solid #667eea;
	border-radius: 50%;
	width: 50px;
	height: 50px;
	animation: spin 1s linear infinite;
	margin: 0 auto 15px;
}

@keyframes spin {
	0% {
		transform: rotate(0deg);
	}
	100% {
		transform: rotate(360deg);
	}
}

.error-message {
	background: #fee;
	color: #c33;
	padding: 15px;
	border-radius: 8px;
	margin-top: 20px;
	border-left: 4px solid #c33;
}

.result-image-container {
	text-align: center;
	margin-bottom: 20px;
}

#resultImage {
	max-width: 100%;
	border-radius: 10px;
	box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.detection-info {
	display: grid;
	gap: 15px;
}

.info-card {
	background: white;
	padding: 20px;
	border-radius: 8px;
	box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.info-card h3 {
	color: #667eea;
	margin-bottom: 10px;
}

#detectionList {
	list-style: none;
	padding: 0;
}

#detectionList li {
	padding: 8px 0;
	border-bottom: 1px solid #eee;
}

#detectionList li:last-child {
	border-bottom: none;
}

footer {
	background: #f8f9fa;
	padding: 30px 20px;
	border-top: 1px solid #e0e0e0;
}

.tips,
.about {
	margin-bottom: 20px;
}

.tips h3,
.about h3 {
	color: #667eea;
	margin-bottom: 10px;
}

.tips ul {
	list-style: none;
	padding-left: 0;
}

.tips ul li {
	padding: 8px 0;
	padding-left: 25px;
	position: relative;
}

.tips ul li:before {
	content: "✓";
	position: absolute;
	left: 0;
	color: #667eea;
	font-weight: bold;
}

.about a {
	color: #667eea;
	text-decoration: none;
}

.about a:hover {
	text-decoration: underline;
}

@media (max-width: 768px) {
	header h1 {
		font-size: 1.8em;
	}

	.subtitle {
		font-size: 1em;
	}

	.main-content {
		padding: 20px 10px;
	}
}