/* Color Preview */
        .color-preview {
            height: 200px;
            border-radius: 8px;
            margin-bottom: 1.5rem;
            border: 1px solid var(--border-color);
            box-shadow: 0 4px 12px rgba(0,0,0,0.1);
            transition: all 0.3s ease;
        }
        
        .color-details {
            background-color: var(--light-gray);
            border-radius: 8px;
            padding: 1.5rem;
            margin-top: 1.5rem;
            border: 1px solid var(--border-color);
        }
        
        .color-value {
            font-family: 'Courier New', monospace;
            background-color: white;
            padding: 0.5rem;
            border-radius: 4px;
            border: 1px solid #eee;
        }
        
        .copy-btn {
            background: white;
            border: 1px solid var(--border-color);
            border-radius: 4px;
            padding: 0.4rem 0.75rem;
            cursor: pointer;
            transition: all 0.3s;
        }
        
        .copy-btn:hover {
            background-color: var(--light-gray);
        }
        
        /* Slider Styles */
        .slider-container {
            margin-bottom: 1.5rem;
        }
        
        .slider-label {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 0.5rem;
        }
        
        .slider-value {
            font-weight: 600;
            color: var(--primary-color);
        }
        
        .slider {
            -webkit-appearance: none;
            width: 100%;
            height: 8px;
            border-radius: 4px;
            background: #ddd;
            outline: none;
        }
        
        .slider::-webkit-slider-thumb {
            -webkit-appearance: none;
            appearance: none;
            width: 20px;
            height: 20px;
            border-radius: 50%;
            background: var(--primary-color);
            cursor: pointer;
            border: 2px solid white;
            box-shadow: 0 2px 4px rgba(0,0,0,0.2);
        }
        
        .slider::-moz-range-thumb {
            width: 20px;
            height: 20px;
            border-radius: 50%;
            background: var(--primary-color);
            cursor: pointer;
            border: 2px solid white;
            box-shadow: 0 2px 4px rgba(0,0,0,0.2);
        }
        
        /* CMYK specific slider colors */
        #cSlider::-webkit-slider-thumb { background: #00ffff; }
        #mSlider::-webkit-slider-thumb { background: #ff00ff; }
        #ySlider::-webkit-slider-thumb { background: #ffff00; }
        #kSlider::-webkit-slider-thumb { background: #000000; }
        
        #cSlider::-moz-range-thumb { background: #00ffff; }
        #mSlider::-moz-range-thumb { background: #ff00ff; }
        #ySlider::-moz-range-thumb { background: #ffff00; }
        #kSlider::-moz-range-thumb { background: #000000; }
        
        /* Color System Cards */
        .color-system {
            background: white;
            border-radius: 8px;
            padding: 1.5rem;
            margin-bottom: 1.5rem;
            border: 1px solid var(--border-color);
        }
        
        .color-system h4 {
            color: var(--primary-color);
            margin-bottom: 1rem;
            padding-bottom: 0.5rem;
            border-bottom: 1px solid var(--border-color);
        }
        
        /* Related Tools */
        .related-tools {
            background-color: white;
            border-radius: 8px;
            border: 1px solid var(--border-color);
            padding: 1.5rem;
            margin-bottom: 1.5rem;
        }
        
        .related-title {
            font-weight: 600;
            margin-bottom: 1.25rem;
            padding-bottom: 0.75rem;
            border-bottom: 1px solid var(--border-color);
            color: var(--primary-color);
        }
        
        .related-tool {
            display: flex;
            align-items: center;
            padding: 0.75rem 0;
            border-bottom: 1px solid var(--border-color);
            transition: background-color 0.3s;
        }
        
        .related-tool:hover {
            background-color: var(--light-gray);
        }
        
        .related-tool:last-child {
            border-bottom: none;
        }
        
        .related-icon {
            width: 36px;
            height: 36px;
            border-radius: 6px;
            background-color: rgba(44, 125, 160, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-right: 1rem;
            color: var(--primary-color);
        }
        
        .related-name {
            font-weight: 500;
            margin-bottom: 0.25rem;
        }
        
        .related-desc {
            color: var(--text-muted);
            font-size: 0.9rem;
        }
        
        /* Toast notifications */
        .toast-container {
            position: fixed;
            bottom: 20px;
            right: 20px;
            z-index: 1050;
        }
        
        .toast {
            background-color: white;
            border: 1px solid var(--border-color);
            border-radius: 8px;
            box-shadow: 0 0.5rem 1rem rgba(0,0,0,0.15);
            padding: 1rem;
            display: flex;
            align-items: center;
            gap: 1rem;
            max-width: 350px;
            transform: translateY(100px);
            opacity: 0;
            transition: all 0.3s ease;
        }
        
        .toast.show {
            transform: translateY(0);
            opacity: 1;
        }
        
        .toast-success {
            border-left: 4px solid #2ecc71;
        }
        
        .toast-error {
            border-left: 4px solid #e74c3c;
        }
        
        .toast-info {
            border-left: 4px solid #3498db;
        }
        
        .toast-icon {
            font-size: 1.5rem;
        }
        
        .toast-success .toast-icon {
            color: #2ecc71;
        }
        
        .toast-error .toast-icon {
            color: #e74c3c;
        }
        
        .toast-info .toast-icon {
            color: #3498db;
        }
        
        /* Responsive Adjustments */
        @media (max-width: 768px) {
            .color-preview {
                height: 150px;
            }
            
            .tool-card {
                padding: 1.5rem;
            }
        }
        
        /* Print Design Tips */
        .print-tips {
            background-color: #e6f7ff;
            border-left: 4px solid #1890ff;
            padding: 1.5rem;
            border-radius: 0 8px 8px 0;
            margin: 2rem 0;
        }
        
        /* FAQ Section */
        .faq-item {
            margin-bottom: 1.5rem;
            border-bottom: 1px solid var(--border-color);
            padding-bottom: 1.5rem;
        }
        
        .faq-item:last-child {
            border-bottom: none;
        }
        
        .faq-question {
            font-weight: 600;
            color: var(--primary-color);
            margin-bottom: 0.5rem;
        }
        
        /* Rich Content Section */
        .content-section {
            margin: 2rem 0;
        }
        
        .content-section h3 {
            color: var(--primary-color);
            border-bottom: 2px solid var(--secondary-color);
            padding-bottom: 0.5rem;
            margin-bottom: 1.5rem;
        }