/**
 * PIXEL EDITOR - Retro Pixel Art Tool
 * Matches pix3l.pro 16-bit theme
 */

.editor-container {
    display: grid;
    grid-template-columns: 220px 1fr 200px;
    gap: 15px;
    padding: 15px 0;
    min-height: calc(100vh - 180px);
}

/* Toolbar (Left Panel) */
.toolbar {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.tool-section {
    background: var(--bg-medium);
    border: 3px solid var(--border-color);
    border-radius: 4px;
    padding: 15px;
    box-shadow: 0 4px 0 var(--bg-dark);
}

.tool-title {
    font-family: var(--font-pixel);
    font-size: 0.55rem;
    color: var(--accent-yellow);
    margin-bottom: 12px;
    text-align: center;
}

/* Tool Grid */
.tool-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
}

.tool-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 5px;
    padding: 12px 8px;
    background: var(--bg-dark);
    border: 2px solid var(--border-color);
    border-radius: 4px;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.15s;
    font-family: var(--font-pixel);
}

.tool-btn:hover {
    border-color: var(--accent);
    color: var(--text-primary);
    transform: translateY(-2px);
}

.tool-btn.active {
    background: var(--secondary);
    border-color: var(--accent);
    color: var(--text-primary);
    box-shadow: 0 0 10px rgba(233, 69, 96, 0.3);
}

.tool-icon {
    font-size: 1.5rem;
    font-family: var(--font-mono);
}

.tool-label {
    font-size: 0.5rem;
}

/* Brush Size Slider */
.size-slider {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}

.retro-slider {
    width: 100%;
    -webkit-appearance: none;
    appearance: none;
    height: 12px;
    background: var(--bg-dark);
    border: 2px solid var(--border-color);
    border-radius: 2px;
    outline: none;
}

.retro-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 20px;
    height: 20px;
    background: var(--accent);
    border: 2px solid var(--primary-dark);
    border-radius: 2px;
    cursor: pointer;
    box-shadow: 0 2px 0 var(--primary-dark);
}

.retro-slider::-moz-range-thumb {
    width: 20px;
    height: 20px;
    background: var(--accent);
    border: 2px solid var(--primary-dark);
    border-radius: 2px;
    cursor: pointer;
    box-shadow: 0 2px 0 var(--primary-dark);
}

.size-value {
    font-family: var(--font-pixel);
    font-size: 0.55rem;
    color: var(--text-secondary);
}

/* Action Buttons */
.action-buttons {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.action-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px;
    background: var(--bg-dark);
    border: 2px solid var(--border-color);
    border-radius: 4px;
    color: var(--text-secondary);
    font-family: var(--font-pixel);
    font-size: 0.55rem;
    cursor: pointer;
    transition: all 0.15s;
}

.action-btn:hover {
    border-color: var(--accent-blue);
    color: var(--text-primary);
    transform: translateX(3px);
}

.action-btn.primary {
    background: var(--primary);
    border-color: var(--primary-dark);
    color: var(--text-primary);
}

.action-btn.primary:hover {
    background: var(--accent);
    box-shadow: 0 0 15px rgba(233, 69, 96, 0.3);
}

.action-btn.small {
    padding: 6px 10px;
    font-size: 0.45rem;
}

.btn-icon {
    font-size: 1rem;
}

/* Canvas Size Controls */
.canvas-size-controls {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

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

.size-input-group label {
    font-family: var(--font-pixel);
    font-size: 0.5rem;
    color: var(--text-secondary);
    min-width: 20px;
}

.retro-input.small {
    width: 60px;
    padding: 6px;
    font-size: 1rem;
    text-align: center;
}

/* Canvas Area (Center) */
.canvas-area {
    display: flex;
    justify-content: center;
    align-items: flex-start;
    padding: 10px;
}

.canvas-wrapper {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
}

#pixelCanvas {
    background: var(--bg-dark);
    border: 3px solid var(--border-color);
    border-radius: 4px;
    cursor: crosshair;
    image-rendering: pixelated;
    image-rendering: crisp-edges;
    box-shadow: 0 4px 0 var(--bg-dark), 0 0 30px rgba(0,0,0,0.3);
}

.canvas-info {
    display: flex;
    gap: 20px;
    font-family: var(--font-pixel);
    font-size: 0.5rem;
    color: var(--text-dim);
}

/* Palette Panel (Right) */
.palette-panel {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.current-color {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 12px;
    padding: 10px;
    background: var(--bg-dark);
    border: 2px solid var(--border-color);
    border-radius: 4px;
}

.color-preview {
    width: 32px;
    height: 32px;
    border: 2px solid var(--text-primary);
    border-radius: 2px;
    background: var(--accent);
    box-shadow: 0 0 10px rgba(233, 69, 96, 0.3);
}

.color-value {
    font-family: var(--font-pixel);
    font-size: 0.45rem;
    color: var(--text-secondary);
}

.palette-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 6px;
    margin-bottom: 12px;
}

.palette-color {
    width: 100%;
    aspect-ratio: 1;
    border: 2px solid transparent;
    border-radius: 2px;
    cursor: pointer;
    transition: all 0.15s;
}

.palette-color:hover {
    transform: scale(1.2);
    border-color: var(--text-primary);
    z-index: 1;
}

.palette-color.active {
    border-color: var(--text-primary);
    box-shadow: 0 0 8px rgba(255,255,255,0.5);
}

.custom-color {
    display: flex;
    gap: 8px;
    align-items: center;
}

.retro-color-input {
    width: 50px;
    height: 35px;
    border: 2px solid var(--border-color);
    border-radius: 4px;
    background: var(--bg-dark);
    cursor: pointer;
}

.retro-color-input::-webkit-color-swatch-wrapper {
    padding: 2px;
}

.retro-color-input::-webkit-color-swatch {
    border: 1px solid var(--border-color);
    border-radius: 2px;
}

/* Preview */
.preview-container {
    display: flex;
    justify-content: center;
    padding: 10px;
    background: var(--bg-dark);
    border: 2px solid var(--border-color);
    border-radius: 4px;
}

#previewCanvas {
    image-rendering: pixelated;
    image-rendering: crisp-edges;
    width: 128px;
    height: 128px;
}

/* Responsive */
@media (max-width: 1024px) {
    .editor-container {
        grid-template-columns: 180px 1fr 160px;
    }
    
    #pixelCanvas {
        max-width: 100%;
        height: auto;
    }
}

@media (max-width: 768px) {
    .editor-container {
        grid-template-columns: 1fr;
        grid-template-rows: auto 1fr auto;
    }
    
    .toolbar {
        flex-direction: row;
        flex-wrap: wrap;
    }
    
    .tool-section {
        flex: 1;
        min-width: 150px;
    }
    
    .tool-grid {
        grid-template-columns: repeat(4, 1fr);
    }
    
    .palette-grid {
        grid-template-columns: repeat(8, 1fr);
    }
    
    #pixelCanvas {
        max-width: 100vw;
        height: auto;
    }
}

@media (max-width: 480px) {
    .tool-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .palette-grid {
        grid-template-columns: repeat(6, 1fr);
    }
}