:root {
    --bg-primary: #0a0a0a;
    --bg-secondary: #1a1a1a;
    --accent-primary: #ff00ff;
    --accent-secondary: #00ffff;
    --text-primary: #ffffff;
    --text-secondary: #888888;
    --border-color: #333333;
    --success: #00ff00;
    --error: #ff0000;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    overflow: hidden;
}

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

/* Preview Area */
.preview-area {
    flex: 1;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--bg-primary);
    overflow: hidden;
}

#camera-video {
    display: none;
}

#glitch-canvas {
    max-width: 100%;
    max-height: 100%;
    width: auto;
    height: auto;
    background-color: #000;
    box-shadow: 0 0 50px rgba(255, 0, 255, 0.2);
}


.status-indicator {
    position: absolute;
    top: 20px;
    left: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 20px;
    background-color: rgba(26, 26, 26, 0.9);
    border: 1px solid var(--border-color);
    border-radius: 4px;
}

.status-icon {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background-color: var(--text-secondary);
}

.status-indicator.active .status-icon {
    background-color: var(--success);
    animation: pulse 1s infinite;
}

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

/* Control Panel */
.control-panel {
    width: 320px;
    background-color: var(--bg-secondary);
    border-left: 1px solid var(--border-color);
    padding: 30px 20px;
    overflow-y: auto;
}

.app-title {
    font-size: 24px;
    font-weight: 300;
    letter-spacing: 3px;
    text-align: center;
    margin-bottom: 40px;
    background: linear-gradient(45deg, var(--accent-primary), var(--accent-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.control-section {
    margin-bottom: 30px;
}

.section-title {
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: var(--text-secondary);
    margin-bottom: 15px;
}

/* Buttons */
.btn {
    width: 100%;
    padding: 12px 20px;
    border: 1px solid var(--border-color);
    background-color: transparent;
    color: var(--text-primary);
    font-size: 14px;
    font-weight: 500;
    letter-spacing: 1px;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(255, 0, 255, 0.2);
}

.btn-primary {
    border-color: var(--accent-primary);
}

.btn-primary:hover {
    background-color: var(--accent-primary);
    color: var(--bg-primary);
}

.btn-secondary {
    margin-bottom: 10px;
}

.btn-secondary:hover {
    border-color: var(--accent-secondary);
    color: var(--accent-secondary);
}

.btn-icon {
    font-size: 16px;
}

/* Toggle Switch */
.toggle-label {
    display: flex;
    align-items: center;
    gap: 15px;
    cursor: pointer;
}

.toggle-input {
    display: none;
}

.toggle-slider {
    width: 50px;
    height: 25px;
    background-color: var(--border-color);
    border-radius: 25px;
    position: relative;
    transition: background-color 0.3s ease;
}

.toggle-slider::after {
    content: '';
    position: absolute;
    top: 3px;
    left: 3px;
    width: 19px;
    height: 19px;
    background-color: var(--text-primary);
    border-radius: 50%;
    transition: transform 0.3s ease;
}

.toggle-input:checked + .toggle-slider {
    background-color: var(--accent-primary);
}

.toggle-input:checked + .toggle-slider::after {
    transform: translateX(25px);
}

/* Sliders */
.parameter-group {
    margin-bottom: 20px;
}

.parameter-label {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
}

.label-text {
    font-size: 12px;
    letter-spacing: 1px;
    text-transform: uppercase;
}

.label-value {
    font-family: 'Courier New', monospace;
    font-size: 14px;
    color: var(--accent-secondary);
}

.slider {
    width: 100%;
    height: 4px;
    background-color: var(--border-color);
    outline: none;
    cursor: pointer;
    -webkit-appearance: none;
    appearance: none;
}

.slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 16px;
    height: 16px;
    background-color: var(--accent-primary);
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.3s ease;
}

.slider::-webkit-slider-thumb:hover {
    width: 20px;
    height: 20px;
    box-shadow: 0 0 10px var(--accent-primary);
}

.slider::-moz-range-thumb {
    width: 16px;
    height: 16px;
    background-color: var(--accent-primary);
    border-radius: 50%;
    cursor: pointer;
    border: none;
    transition: all 0.3s ease;
}

.slider::-moz-range-thumb:hover {
    width: 20px;
    height: 20px;
    box-shadow: 0 0 10px var(--accent-primary);
}

/* Mode Buttons */
.mode-buttons {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
}

.btn-mode {
    padding: 10px 15px;
    font-size: 12px;
    letter-spacing: 1px;
}

.btn-mode.active {
    background-color: var(--accent-primary);
    color: var(--bg-primary);
    border-color: var(--accent-primary);
}

/* Glitch Description */
.glitch-description {
    font-size: 14px;
    line-height: 1.5;
    color: var(--text-secondary);
    background-color: rgba(255, 0, 255, 0.05);
    border: 1px solid var(--border-color);
    padding: 15px;
    border-radius: 4px;
    margin: 0 0 20px 0;
}

/* Replacement Controls */
.replacement-controls {
    display: flex;
    align-items: center;
    gap: 15px;
    justify-content: center;
}

.input-group {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}

.input-label {
    font-size: 12px;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: var(--text-secondary);
    font-weight: 600;
}

.char-input {
    width: 70px;
    height: 40px;
    background-color: var(--bg-primary);
    border: 2px solid var(--border-color);
    border-radius: 4px;
    color: var(--text-primary);
    font-size: 16px;
    font-weight: 600;
    text-align: center;
    font-family: 'Courier New', monospace;
    transition: all 0.3s ease;
}

.char-input:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 10px rgba(255, 0, 255, 0.3);
}

.char-hint {
    font-size: 11px;
    color: var(--text-secondary);
    font-family: 'Courier New', monospace;
    margin-top: 2px;
}

.arrow {
    font-size: 24px;
    color: var(--accent-secondary);
    font-weight: bold;
    margin-top: 20px;
}

/* Error Message */
.error-message {
    background-color: rgba(255, 0, 0, 0.1);
    border: 1px solid var(--error);
    color: var(--error);
    padding: 15px;
    border-radius: 4px;
    font-size: 14px;
    margin-top: 20px;
    display: none;
}

.error-message.show {
    display: block;
}

/* Responsive */
@media (max-width: 768px) {
    .app-container {
        flex-direction: column;
    }
    
    .control-panel {
        width: 100%;
        height: 50%;
        border-left: none;
        border-top: 1px solid var(--border-color);
    }
}