/* =================================================================
   INVERT COLORS TOOL STYLES
   ================================================================= */

#editor-container {
    position: relative;
    animation: fadeIn 0.3s ease-out;
}

.preview-wrapper {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.preview-container {
    position: relative;
    background: var(--card-bg);
    border-radius: var(--border-radius);
    padding: 1rem;
    border: 1px solid var(--border-color);
    min-height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex: 1;
    max-width: 48%;
}

.preview-container.inverted {
    border-color: var(--primary-color);
    box-shadow: 0 0 10px rgba(74, 111, 220, 0.2);
}

.preview-label {
    position: absolute;
    top: 0.5rem;
    left: 0.5rem;
    background: rgba(0, 0, 0, 0.7);
    color: white;
    padding: 4px 10px;
    border-radius: 4px;
    font-size: 12px;
    font-weight: 600;
    z-index: 5;
}

#original-canvas,
#preview-canvas {
    max-width: 100%;
    max-height: 350px;
    height: auto;
    display: block;
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.editor-controls {
    background: var(--card-bg);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    border: 1px solid var(--border-color);
}

.editor-controls .tool-group {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.editor-controls label {
    color: var(--text-color);
    font-weight: 600;
    margin: 0;
}

#intensity-slider {
    width: 180px;
    accent-color: var(--primary-color);
}

#intensity-value {
    color: var(--primary-color);
    font-weight: 600;
    min-width: 45px;
}

.mode-btn {
    background: var(--card-bg);
    color: var(--text-color);
    border: 2px solid var(--border-color);
    padding: 8px 16px;
    border-radius: 8px;
    cursor: pointer;
    transition: var(--transition);
    font-size: 13px;
    font-weight: 600;
}

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

.mode-btn.active {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    border-color: var(--primary-color);
}

.channel-check {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    cursor: pointer;
    font-weight: 500;
    padding: 6px 12px;
    border: 2px solid var(--border-color);
    border-radius: 6px;
    transition: var(--transition);
}

.channel-check:hover {
    border-color: var(--primary-color);
}

.channel-check input[type="checkbox"] {
    width: 16px;
    height: 16px;
    accent-color: var(--primary-color);
    cursor: pointer;
}

#reset-btn {
    background: var(--card-bg);
    color: var(--text-muted);
    border: 2px solid var(--border-color);
}

#reset-btn:hover {
    background: var(--card-hover-bg);
    color: var(--text-color);
    border-color: var(--text-muted);
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .preview-container {
        max-width: 100%;
        flex: 1 1 100%;
    }
    
    .editor-controls .tool-group {
        justify-content: center;
    }
    
    #intensity-slider {
        width: 140px;
    }
    
    .mode-btn {
        padding: 6px 12px;
        font-size: 12px;
    }
}

@media (max-width: 480px) {
    .editor-controls .tool-group {
        flex-direction: column;
        gap: 0.75rem;
    }
    
    #intensity-slider {
        width: 100%;
        max-width: 220px;
    }
    
    .channel-check {
        padding: 8px 14px;
    }
}