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

body {
    font-family: 'Arial', sans-serif;
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
    color: #e0e0e0;
    min-height: 100vh;
}

.container {
    max-width: 900px;
    margin: 0 auto;
    padding: 20px;
    position: relative;
}

header {
    text-align: center;
    margin-bottom: 30px;
    color: white;
    position: relative;
}

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

header p {
    font-size: 1.2rem;
    opacity: 0.9;
    margin-bottom: 15px;
}

.camera-section-main {
    background: #2a2a3e;
    border-radius: 15px;
    padding: 30px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
    border: 1px solid #3a3a4e;
    margin-bottom: 30px;
    position: relative;
}

.camera-section-main h2 {
    margin-bottom: 20px;
    color: #e0e0e0;
    font-size: 1.8rem;
    text-align: center;
}

.video-container {
    position: relative;
    width: 100%;
    max-width: 800px;
    margin: 0 auto;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.input_video {
    width: 100%;
    height: auto;
    display: block;
    transform: scaleX(-1);
}

.output_canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    transform: scaleX(-1);
}

/* Drawing Canvas - Separate Container */
.drawing-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 10;
}

.drawing_canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

.effects_canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

.landmarks-info {
    margin-top: 20px;
    text-align: center;
}

.landmark-status {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 12px 25px;
    background: #3a3a4e;
    border-radius: 25px;
    border: 2px solid #4a4a5e;
    color: #e0e0e0;
    margin-bottom: 20px;
    font-size: 1.1rem;
}

.status-indicator {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: #dc3545;
}

.status-indicator.active {
    background: #28a745;
    animation: pulse 1.5s infinite;
}

@keyframes pulse {
    0% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.1); opacity: 0.7; }
    100% { transform: scale(1); opacity: 1; }
}

.gesture-display {
    background: #3a3a4e;
    border-radius: 10px;
    padding: 15px;
    margin-top: 15px;
}

.gesture-display h3 {
    color: #e0e0e0;
    margin-bottom: 10px;
    font-size: 1.1rem;
}

.gesture-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.gesture-item {
    padding: 8px 12px;
    background: #4a4a5e;
    border-radius: 8px;
    font-size: 0.9rem;
    border-left: 3px solid #00ff88;
}

.gesture-item.detected {
    background: linear-gradient(135deg, #00ff88 0%, #00cc6a 100%);
    color: #1a1a2e;
    font-weight: bold;
}

.instructions {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    padding: 20px;
    margin: 20px auto 0;
    max-width: 600px;
    text-align: left;
}

.instructions h3 {
    font-size: 1.3rem;
    margin-bottom: 15px;
    color: #00ff88;
    text-align: center;
}

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

.instructions li {
    font-size: 1rem;
    margin-bottom: 10px;
    padding-left: 25px;
    position: relative;
}

.instructions li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #00ff88;
    font-weight: bold;
}

/* Responsive Design */
@media (max-width: 768px) {
    header h1 {
        font-size: 2rem;
    }
    
    .container {
        padding: 15px;
    }
    
    .camera-section-main {
        padding: 20px;
    }

    .camera-section-main h2 {
        font-size: 1.5rem;
    }
}

.hand-status {
    font-weight: bold;
    color: #00ff88;
    margin: 8px 0 4px 0;
    font-size: 1rem;
    border-bottom: 1px solid #4a4a5e;
    padding-bottom: 4px;
}

.shape-feedback {
    padding: 10px;
    margin: 8px 0;
    font-size: 0.9rem;
    border-radius: 6px;
    text-align: center;
    display: none;
}

.shape-feedback.shape-success {
    background: linear-gradient(135deg, #00ff88 0%, #00cc6a 100%);
    color: #1a1a2e;
    font-weight: bold;
}

.shape-feedback.shape-warning {
    background: #f0ad4e;
    color: #1a1a2e;
}

.shape-feedback.shape-info {
    background: #4a90e2;
    color: white;
}

.gesture-detected {
    padding: 12px;
    margin: 8px 0;
    background: linear-gradient(135deg, #00ff88 0%, #00cc6a 100%);
    color: #1a1a2e;
    font-weight: bold;
    font-size: 1.1rem;
    border-radius: 8px;
    text-align: center;
    animation: pulse-success 1.5s;
}

.gesture-not-detected {
    padding: 12px;
    margin: 8px 0;
    background: #4a4a5e;
    color: #e0e0e0;
    font-size: 0.9rem;
    border-radius: 8px;
    text-align: center;
    opacity: 0.8;
}

@keyframes pulse-success {
    0% { transform: scale(1); box-shadow: 0 0 0 0 rgba(0, 255, 136, 0.7); }
    50% { transform: scale(1.02); box-shadow: 0 0 10px 5px rgba(0, 255, 136, 0); }
    100% { transform: scale(1); box-shadow: 0 0 0 0 rgba(0, 255, 136, 0); }
}