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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    padding: 20px;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
}

header {
    text-align: center;
    color: white;
    margin-bottom: 30px;
    padding: 20px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 15px;
    backdrop-filter: blur(10px);
}

header h1 {
    font-size: 2.5em;
    margin-bottom: 10px;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}

header p {
    font-size: 1.2em;
    opacity: 0.9;
}

.main-content {
    background: white;
    border-radius: 20px;
    padding: 30px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.3);
}

.camera-section {
    background: #f8f9fa;
    border-radius: 15px;
    padding: 20px;
    margin-bottom: 30px;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 400px;
    position: relative;
}

#video, #canvas, #capturedImage {
    max-width: 100%;
    width: 640px;
    height: 480px;
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

#canvas {
    display: none;
}

.controls {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-bottom: 30px;
    flex-wrap: wrap;
}

.btn {
    padding: 12px 30px;
    font-size: 16px;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.btn:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.btn-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.btn-success {
    background: linear-gradient(135deg, #00d2ff 0%, #3a7bd5 100%);
    color: white;
}

.btn-warning {
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    color: white;
}

.btn-danger {
    background: linear-gradient(135deg, #fa709a 0%, #fee140 100%);
    color: white;
}

.results-section {
    background: #f8f9fa;
    border-radius: 15px;
    padding: 20px;
    margin-bottom: 20px;
    display: none;
}

.results-section.show {
    display: block;
}

.results-section h3 {
    color: #333;
    margin-bottom: 15px;
    font-size: 1.5em;
}

#processedCanvas {
    max-width: 100%;
    width: 640px;
    height: 480px;
    border-radius: 10px;
    margin-top: 15px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

.info-section {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border-radius: 15px;
    padding: 20px;
}

.info-section h3 {
    margin-bottom: 15px;
}

#stats p {
    margin: 10px 0;
    font-size: 1.1em;
}

#stats span {
    font-weight: bold;
    color: #ffd700;
}

@media (max-width: 768px) {
    header h1 {
        font-size: 1.8em;
    }
    
    .controls {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
    }
}