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

:root {
    --bg-primary: #0d1117;
    --bg-secondary: #161b22;
    --bg-tertiary: #21262d;
    --accent-green: #00ff41;
    --accent-cyan: #00d9ff;
    --accent-purple: #a855f7;
    --text-primary: #e6edf3;
    --text-secondary: #8b949e;
    --border-color: #30363d;
    --glow-green: 0 0 20px rgba(0, 255, 65, 0.3);
    --glow-cyan: 0 0 20px rgba(0, 217, 255, 0.3);
}

body {
    font-family: 'Space Grotesk', sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    overflow-x: hidden;
}

.scanlines {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1000;
    background: repeating-linear-gradient(
        0deg,
        rgba(0, 0, 0, 0.03) 0px,
        rgba(0, 0, 0, 0.03) 1px,
        transparent 1px,
        transparent 2px
    );
}

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

/* Header */
.header {
    text-align: center;
    margin-bottom: 30px;
    padding: 20px 0;
}

.title {
    font-size: clamp(1.8rem, 5vw, 3rem);
    font-weight: 700;
    color: var(--accent-green);
    text-shadow: var(--glow-green);
    margin-bottom: 10px;
    letter-spacing: -1px;
}

.prompt {
    color: var(--accent-cyan);
    text-shadow: var(--glow-cyan);
}

.blocks {
    color: var(--text-secondary);
    font-weight: 400;
    font-size: 0.7em;
}

.subtitle {
    color: var(--text-secondary);
    font-size: 1rem;
    font-weight: 300;
}

/* Mode Toggle */
.mode-toggle {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-bottom: 30px;
}

.mode-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    background: var(--bg-secondary);
    border: 2px solid var(--border-color);
    border-radius: 12px;
    color: var(--text-secondary);
    font-family: inherit;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.mode-btn:hover {
    border-color: var(--accent-cyan);
    color: var(--text-primary);
}

.mode-btn.active {
    background: linear-gradient(135deg, rgba(0, 217, 255, 0.15), rgba(168, 85, 247, 0.15));
    border-color: var(--accent-cyan);
    color: var(--accent-cyan);
    box-shadow: var(--glow-cyan);
}

.mode-icon {
    font-size: 1.2rem;
}

/* Main Content */
.main-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 30px;
}

@media (max-width: 900px) {
    .main-content {
        grid-template-columns: 1fr;
    }
}

.panel {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    overflow: hidden;
}

.panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    background: var(--bg-tertiary);
    border-bottom: 1px solid var(--border-color);
}

.panel-label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.panel-indicator {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--border-color);
}

.panel-indicator.live {
    background: var(--accent-green);
    box-shadow: 0 0 10px var(--accent-green);
    animation: pulse 2s infinite;
}

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

.panel-content {
    height: 350px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

/* Upload Zone */
.upload-zone {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    border: 2px dashed var(--border-color);
    border-radius: 12px;
    margin: 16px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.upload-zone:hover,
.upload-zone.dragover {
    border-color: var(--accent-cyan);
    background: rgba(0, 217, 255, 0.05);
}

.upload-icon {
    font-size: 3rem;
    margin-bottom: 16px;
    opacity: 0.7;
}

.upload-text {
    font-size: 1.1rem;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.upload-subtext {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.source-image,
.camera-feed {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

.hidden {
    display: none !important;
}

/* Camera Controls */
.camera-controls,
.upload-controls {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    padding: 12px;
    background: var(--bg-tertiary);
    border-top: 1px solid var(--border-color);
}

.control-btn {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 10px 16px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-primary);
    font-family: inherit;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.2s ease;
}

.control-btn:hover {
    border-color: var(--accent-cyan);
    background: var(--bg-tertiary);
}

.control-btn.accent {
    background: linear-gradient(135deg, var(--accent-cyan), var(--accent-purple));
    border: none;
    color: #000;
    font-weight: 600;
}

.control-btn.small {
    padding: 6px 12px;
    font-size: 0.8rem;
}

.file-name {
    font-size: 0.85rem;
    color: var(--text-secondary);
    max-width: 200px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* ASCII Output */
.ascii-content {
    background: #000;
    overflow: auto;
}

.ascii-output {
    font-family: 'Fira Code', monospace;
    font-size: 8px;
    line-height: 8px;
    color: var(--accent-green);
    white-space: pre;
    padding: 16px;
    margin: 0;
    min-width: 100%;
    min-height: 100%;
}

.ascii-line {
    display: block;
    white-space: pre;
}

.ascii-canvas {
    position: absolute;
    top: 0;
    left: 0;
}

/* Controls Panel */
.controls-panel {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    padding: 24px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    margin-bottom: 20px;
}

.control-group {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.control-label {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.label-text {
    font-weight: 500;
    color: var(--text-primary);
}

.label-icons {
    font-family: 'Fira Code', monospace;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.label-value {
    font-family: 'Fira Code', monospace;
    font-size: 0.85rem;
    color: var(--accent-cyan);
}

/* Slider */
.slider {
    -webkit-appearance: none;
    width: 100%;
    height: 6px;
    background: var(--bg-tertiary);
    border-radius: 3px;
    outline: none;
    cursor: pointer;
}

.slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 18px;
    height: 18px;
    background: linear-gradient(135deg, var(--accent-cyan), var(--accent-purple));
    border-radius: 50%;
    cursor: pointer;
    box-shadow: 0 0 10px rgba(0, 217, 255, 0.5);
    transition: transform 0.2s ease;
}

.slider::-webkit-slider-thumb:hover {
    transform: scale(1.2);
}

.slider::-moz-range-thumb {
    width: 18px;
    height: 18px;
    background: linear-gradient(135deg, var(--accent-cyan), var(--accent-purple));
    border-radius: 50%;
    cursor: pointer;
    border: none;
}

/* Select */
.select-input {
    width: 100%;
    padding: 10px 14px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-primary);
    font-family: inherit;
    font-size: 0.95rem;
    cursor: pointer;
    outline: none;
    transition: border-color 0.2s ease;
}

.select-input:focus {
    border-color: var(--accent-cyan);
}

.select-input option {
    background: var(--bg-secondary);
    color: var(--text-primary);
}

/* Toggle Group */
.toggle-group {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.toggle-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.toggle-label {
    font-weight: 500;
    color: var(--text-primary);
}

.toggle-btn {
    display: flex;
    align-items: center;
    padding: 4px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.toggle-option {
    padding: 6px 12px;
    font-size: 0.85rem;
    color: var(--text-secondary);
    border-radius: 16px;
    transition: all 0.2s ease;
}

.toggle-option.active {
    background: linear-gradient(135deg, var(--accent-cyan), var(--accent-purple));
    color: #000;
    font-weight: 600;
}

.toggle-btn.small {
    width: 50px;
    height: 28px;
    padding: 3px;
    border-radius: 14px;
    position: relative;
}

.toggle-indicator {
    width: 22px;
    height: 22px;
    background: var(--text-secondary);
    border-radius: 50%;
    transition: all 0.3s ease;
}

.toggle-btn.small[data-state="on"] {
    background: rgba(0, 255, 65, 0.2);
    border-color: var(--accent-green);
}

.toggle-btn.small[data-state="on"] .toggle-indicator {
    transform: translateX(22px);
    background: var(--accent-green);
    box-shadow: 0 0 10px var(--accent-green);
}

/* Action Buttons */
.action-buttons {
    display: flex;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 40px;
}

.action-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 14px 24px;
    background: var(--bg-secondary);
    border: 2px solid var(--border-color);
    border-radius: 12px;
    color: var(--text-primary);
    font-family: inherit;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
}

.action-btn:hover {
    border-color: var(--accent-cyan);
    background: var(--bg-tertiary);
    transform: translateY(-2px);
    box-shadow: 0 5px 20px rgba(0, 217, 255, 0.2);
}

.action-btn:active {
    transform: translateY(0);
}

.btn-icon {
    font-size: 1.2rem;
}

/* Toast */
.toast {
    position: fixed;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    padding: 14px 28px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    color: var(--text-primary);
    font-weight: 500;
    z-index: 1001;
    animation: slideUp 0.3s ease;
}

.toast.success {
    border-color: var(--accent-green);
    box-shadow: 0 0 20px rgba(0, 255, 65, 0.3);
}

.toast.error {
    border-color: #ff4757;
    box-shadow: 0 0 20px rgba(255, 71, 87, 0.3);
}

.toast.loading {
    border-color: var(--accent-cyan);
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translate(-50%, 20px);
    }
    to {
        opacity: 1;
        transform: translate(-50%, 0);
    }
}

/* Footer */
.footer {
    text-align: center;
    padding: 30px 0;
    border-top: 1px solid var(--border-color);
}

.tagline {
    font-family: 'Fira Code', monospace;
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 12px;
}

.remix-link {
    color: var(--accent-cyan);
    text-decoration: none;
    font-weight: 500;
    transition: all 0.2s ease;
}

.remix-link:hover {
    text-shadow: var(--glow-cyan);
}

/* Easter Egg Input */
.easter-egg-input {
    position: fixed;
    top: -100px;
    opacity: 0;
    pointer-events: none;
}

/* Responsive */
@media (max-width: 600px) {
    .container {
        padding: 12px;
    }
    
    .header {
        margin-bottom: 20px;
    }
    
    .panel-content {
        height: 280px;
    }
    
    .controls-panel {
        grid-template-columns: 1fr;
        padding: 16px;
    }
    
    .action-buttons {
        flex-direction: column;
    }
    
    .action-btn {
        width: 100%;
        justify-content: center;
    }
    
    .mode-btn {
        flex: 1;
        justify-content: center;
    }
}