/* Global Styles */
* {
    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;
    color: #333;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 20px;
}

/* Header */
header {
    text-align: center;
    color: white;
    margin-bottom: 30px;
    padding: 20px;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: 15px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
}

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

.subtitle {
    font-size: 1.1rem;
    opacity: 0.9;
}

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

/* Video Section */
.video-section {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 30px;
}

.video-container, .meme-container {
    position: relative;
    background: #000;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    aspect-ratio: 4/3;
}

/* Webcam Video */
#webcam {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transform: scaleX(-1); /* Mirror effect */
}

#canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    transform: scaleX(-1); /* Mirror effect */
}

.gesture-label {
    position: absolute;
    top: 20px;
    left: 20px;
    background: rgba(0, 0, 0, 0.7);
    color: white;
    padding: 10px 20px;
    border-radius: 25px;
    font-weight: bold;
    font-size: 1.1rem;
    backdrop-filter: blur(5px);
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
}

/* Meme Display */
.meme-container {
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

#memeVideo, #memeImage {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.loading {
    text-align: center;
    color: white;
    padding: 20px;
}

.loading p {
    font-size: 1.2rem;
    margin-bottom: 15px;
}

#startButton {
    background: #4CAF50;
    color: white;
    border: none;
    padding: 15px 30px;
    font-size: 1.1rem;
    border-radius: 25px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

#startButton:hover {
    background: #45a049;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}

#startButton:active {
    transform: translateY(0);
}

/* Instructions */
.instructions {
    margin-top: 30px;
    padding: 25px;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    border-radius: 15px;
}

.instructions h2 {
    text-align: center;
    margin-bottom: 20px;
    color: #333;
}

.gesture-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 15px;
}

.gesture-item {
    text-align: center;
    padding: 20px;
    background: white;
    border-radius: 12px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.gesture-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
}

.gesture-item .emoji {
    font-size: 2.5rem;
    display: block;
    margin-bottom: 10px;
}

.gesture-item strong {
    display: block;
    color: #667eea;
    margin-bottom: 5px;
    font-size: 1.1rem;
}

.gesture-item p {
    font-size: 0.9rem;
    color: #666;
}

/* Debug Info */
.debug-info {
    margin-top: 20px;
    padding: 15px;
    background: #f8f9fa;
    border-radius: 10px;
    font-family: monospace;
    font-size: 0.9rem;
}

.debug-info p {
    margin: 5px 0;
}

/* Footer */
footer {
    text-align: center;
    color: white;
    margin-top: 30px;
    padding: 20px;
    opacity: 0.9;
}

footer p {
    margin: 5px 0;
}

.tip {
    font-size: 0.9rem;
    opacity: 0.8;
}

/* Responsive Design */
@media (max-width: 968px) {
    .video-section {
        grid-template-columns: 1fr;
    }
    
    header h1 {
        font-size: 2rem;
    }
    
    .gesture-grid {
        grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    }
}

@media (max-width: 600px) {
    .container {
        padding: 10px;
    }
    
    .main-content {
        padding: 15px;
    }
    
    header h1 {
        font-size: 1.5rem;
    }
    
    .subtitle {
        font-size: 0.9rem;
    }
    
    .gesture-grid {
        grid-template-columns: 1fr 1fr;
        gap: 10px;
    }
    
    .gesture-item {
        padding: 15px 10px;
    }
    
    .gesture-item .emoji {
        font-size: 2rem;
    }
}

/* Loading Animation */
@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}

.loading {
    animation: pulse 2s ease-in-out infinite;
}