/* custom SKU styles */
        .sku-result-main {
            font-family: 'Courier New', 'Fira Code', monospace;
            font-size: 2.2rem;
            letter-spacing: 1px;
            background-color: #f8f9fa;
            border: 1px solid #e9ecef;
            border-radius: 8px;
            padding: 0.75rem 1rem;
            word-break: break-all;
            text-align: center;
            margin: 1rem 0;
        }.form-label{font-size:0.85rem}
        .sku-legend {
            display: flex;
            flex-wrap: wrap;
            gap: 1.2rem 2rem;
            justify-content: center;
            background: #f1f5f9;
            padding: 0.75rem;
            border-radius: 40px;
            margin-top: 1rem;
        }
        .sku-legend-item {
            display: flex;
            align-items: center;
            gap: 0.4rem;
            font-size: 0.95rem;
        }
        .sku-color-swatch {
            width: 20px;
            height: 20px;
            border-radius: 5px;
        }
        .swatch-brand { background-color: #1e3c72; }
        .swatch-cat { background-color: #2a5298; }
        .swatch-color { background-color: #e67e22; }
        .swatch-size { background-color: #27ae60; }
        .swatch-year { background-color: #8e44ad; }
        .swatch-seq { background-color: #c0392b; }

        .sku-list-container {
            max-height: 220px;
            overflow-y: auto;
            background-color: white;
            border: 1px solid #dee2e6;
            border-radius: 8px;
            padding: 0.75rem;
            margin-top: 1rem;
            font-family: 'Courier New', monospace;
        }
        .sku-list-item {
            padding: 0.3rem 0.5rem;
            border-bottom: 1px dashed #e9ecef;
            font-size: 1.1rem;
        }
        .sku-list-item:last-child { border-bottom: none; }

        .case-study {
            background-color: #eef5f0;
            border-left: 5px solid #2e7d32;
            border-radius: 0 8px 8px 0;
        }
        .property-table td:first-child { font-weight: 600; }
        .industry-badge {
            background-color: rgba(70, 130, 180, 0.1);
            border: 1px solid rgba(70, 130, 180, 0.2);
            border-radius: 20px;
            padding: 0.35rem 1rem;
            font-size: 0.9rem;
            cursor: pointer;
            transition: 0.1s;
            display: inline-block;
            margin-right: 0.5rem;
            margin-bottom: 0.5rem;
        }
        .industry-badge:hover {
            background-color: rgba(70, 130, 180, 0.2);
            transform: translateY(-1px);
        }
        .authority-note {
            font-size: 0.85rem;
            color: #6c757d;
            border-top: 1px solid #dee2e6;
            padding-top: 1rem;
            margin-top: 1.5rem;
            text-align: right;
        }
        .nav-tabs .nav-link {
            font-weight: 500;
            color: #495057;
        }
        .nav-tabs .nav-link.active {
            color: var(--primary-color);
            border-bottom: 3px solid var(--primary-color);
        }
        .custom-params {
            background-color: #f8f9fa;
            border-radius: 8px;
            padding: 1rem;
            margin: 1rem 0;
        }
        .param-label {
            font-weight: 600;
            margin-bottom: 0.2rem;
        }
        .char-hint {
            font-size: 0.8rem;
            color: #6c757d;
            margin-top: 0.2rem;
        }
        .field-warning {
            font-size: 0.85rem;
            color: #b02a37;
            background-color: #f8d7da;
            border-radius: 4px;
            padding: 0.2rem 0.5rem;
            margin-top: 0.3rem;
        }