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

body {
    background: linear-gradient(135deg, #0a0a0a 0%, #1a1a2e 50%, #16213e 100%);
    font-family: 'Arial', sans-serif;
    color: #ffffff;
    overflow-x: hidden;
    min-height: 100vh;
}

.app-container {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.header {
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid rgba(0, 255, 255, 0.2);
}

.app-title {
    font-size: 2.5rem;
    font-weight: bold;
    background: linear-gradient(45deg, #00ffff, #ff00ff, #ffff00);
    background-size: 400% 400%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: gradientShift 3s ease-in-out infinite;
    text-shadow: 0 0 20px rgba(0, 255, 255, 0.3);
}

@keyframes gradientShift {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

.webcam-status {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-family: 'Courier New', monospace;
}

.status-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: #ff4444;
    animation: pulse 2s infinite;
}

.status-dot.active {
    background: #44ff44;
}

.status-dot.error {
    background: #ff4444;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.main-content {
    flex: 1;
    display: flex;
    padding: 1rem;
    gap: 1rem;
}

.canvas-container {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
}

#canvas {
    border: 2px solid rgba(0, 255, 255, 0.3);
    border-radius: 50%;
    cursor: crosshair;
    box-shadow: 
        0 0 30px rgba(0, 255, 255, 0.3),
        inset 0 0 30px rgba(0, 0, 0, 0.5);
    transition: all 0.3s ease;
}

#canvas:hover {
    border-color: rgba(0, 255, 255, 0.6);
    box-shadow: 
        0 0 50px rgba(0, 255, 255, 0.5),
        inset 0 0 30px rgba(0, 0, 0, 0.5);
}

.canvas-overlay {
    position: absolute;
    top: 20px;
    right: 20px;
    display: flex;
    gap: 10px;
}

.control-btn {
    background: rgba(0, 0, 0, 0.7);
    border: 1px solid rgba(0, 255, 255, 0.4);
    color: white;
    padding: 10px;
    border-radius: 50%;
    cursor: pointer;
    backdrop-filter: blur(5px);
    transition: all 0.3s ease;
    font-size: 1.2rem;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.control-btn:hover {
    background: rgba(0, 255, 255, 0.2);
    border-color: rgba(0, 255, 255, 0.8);
    transform: scale(1.1);
    box-shadow: 0 0 20px rgba(0, 255, 255, 0.4);
}

.controls-panel {
    width: 300px;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(0, 255, 255, 0.2);
    border-radius: 15px;
    padding: 1.5rem;
    max-height: 80vh;
    overflow-y: auto;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

.control-group {
    margin-bottom: 2rem;
}

.control-group h3 {
    color: #00ffff;
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-size: 0.9rem;
    border-bottom: 1px solid rgba(0, 255, 255, 0.3);
    padding-bottom: 0.5rem;
}

.control-item {
    margin-bottom: 1rem;
}

.control-item label {
    display: block;
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
    color: #cccccc;
}

input[type="range"] {
    width: 100%;
    height: 6px;
    border-radius: 3px;
    background: rgba(255, 255, 255, 0.2);
    outline: none;
    -webkit-appearance: none;
    margin-bottom: 0.5rem;
}

input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: linear-gradient(45deg, #00ffff, #ff00ff);
    cursor: pointer;
    border: 2px solid #ffffff;
    box-shadow: 0 0 10px rgba(0, 255, 255, 0.5);
}

input[type="range"]::-moz-range-thumb {
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: linear-gradient(45deg, #00ffff, #ff00ff);
    cursor: pointer;
    border: 2px solid #ffffff;
    box-shadow: 0 0 10px rgba(0, 255, 255, 0.5);
}

select {
    width: 100%;
    padding: 0.5rem;
    background: rgba(0, 0, 0, 0.5);
    border: 1px solid rgba(0, 255, 255, 0.3);
    border-radius: 5px;
    color: white;
    outline: none;
}

select:focus {
    border-color: rgba(0, 255, 255, 0.6);
    box-shadow: 0 0 5px rgba(0, 255, 255, 0.3);
}

input[type="checkbox"] {
    margin-right: 0.5rem;
    accent-color: #00ffff;
}

.preset-buttons {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.preset-btn {
    background: rgba(255, 0, 255, 0.2);
    border: 1px solid rgba(255, 0, 255, 0.4);
    color: white;
    padding: 0.5rem;
    border-radius: 5px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 0.8rem;
}

.preset-btn:hover {
    background: rgba(255, 0, 255, 0.4);
    border-color: rgba(255, 0, 255, 0.8);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(255, 0, 255, 0.3);
}

.action-buttons {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.5rem;
}

.action-btn {
    background: rgba(0, 255, 255, 0.2);
    border: 1px solid rgba(0, 255, 255, 0.4);
    color: white;
    padding: 0.5rem;
    border-radius: 5px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 0.8rem;
    opacity: 0.7;
}

.action-btn:hover {
    background: rgba(0, 255, 255, 0.4);
    border-color: rgba(0, 255, 255, 0.8);
    opacity: 1;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 255, 255, 0.3);
}

.control-item span {
    color: #00ffff;
    font-weight: bold;
    font-size: 0.9rem;
}

/* Custom scrollbar for controls panel */
.controls-panel::-webkit-scrollbar {
    width: 6px;
}

.controls-panel::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 3px;
}

.controls-panel::-webkit-scrollbar-thumb {
    background: rgba(0, 255, 255, 0.5);
    border-radius: 3px;
}

.controls-panel::-webkit-scrollbar-thumb:hover {
    background: rgba(0, 255, 255, 0.8);
}

/* Mobile responsiveness */
@media (max-width: 768px) {
    .header {
        padding: 1rem;
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .app-title {
        font-size: 1.8rem;
    }
    
    .main-content {
        flex-direction: column;
        padding: 0.5rem;
    }
    
    .controls-panel {
        width: 100%;
        max-height: 40vh;
        order: 2;
    }
    
    .canvas-container {
        order: 1;
    }
    
    .control-group h3 {
        font-size: 0.8rem;
    }
    
    .preset-buttons,
    .action-buttons {
        grid-template-columns: repeat(4, 1fr);
    }
    
    .canvas-overlay {
        top: 10px;
        right: 10px;
    }
    
    .control-btn {
        width: 40px;
        height: 40px;
        font-size: 1rem;
    }
}

/* Fullscreen styles */
.canvas-container:fullscreen {
    background: black;
    display: flex;
    justify-content: center;
    align-items: center;
}

.canvas-container:fullscreen #canvas {
    width: 90vmin !important;
    height: 90vmin !important;
}