.bib-item { 
            padding: 20px 0; 
            border-bottom: 1px solid #edf2f7; 
            transition: all 0.2s ease;
        }
        .bib-item:last-child { 
            border-bottom: none; 
        }
        .bib-citation {
            font-size: 1rem;
            line-height: 1.6;
            color: #2d3748;
        }
        
        /* Desain Baru Pembungkus Ikon Kategori */
        .category-icon-box {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background-color: #f8fafc;
            border: 1px solid #e2e8f0;
            font-size: 1rem;
            color: #64748b;
            cursor: help;
            transition: all 0.2s ease;
        }
        .category-icon-box:hover {
            background-color: #f1f5f9;
            transform: scale(1.05);
        }
        
        .search-box-wrapper {
            background: #f8fafc;
            border-radius: 12px;
            padding: 24px;
            border: 1px solid #e2e8f0;
            margin-bottom: 30px;
        }
        .btn-cite-trigger {
            padding: 6px 10px;
            border-radius: 6px;
            color: #64748b;
            background: #f1f5f9;
            border: 1px solid #cbd5e1;
            transition: all 0.2s ease;
        }
        .btn-cite-trigger:hover {
            color: #2563eb;
            background: #dbeafe;
            border-color: #bfdbfe;
        }
        .style-box {
            background: #f8fafc;
            border: 1px solid #e2e8f0;
            border-radius: 8px;
            padding: 12px;
            font-size: 0.9rem;
            position: relative;
        }
        .nav-tabs-custom {
            border-bottom: 2px solid #e2e8f0;
            margin-bottom: 25px;
        }
        .nav-tabs-custom .nav-link {
            border: none;
            color: #64748b;
            font-weight: 600;
            padding: 12px 20px;
            position: relative;
            transition: all 0.2s ease;
        }
        .nav-tabs-custom .nav-link:hover {
            color: #2563eb;
            background: transparent;
        }
        .nav-tabs-custom .nav-link.active {
            color: #2563eb;
            background: transparent;
            border: none;
        }
        .nav-tabs-custom .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            right: 0;
            height: 2px;
            background-color: #2563eb;
        }
        
        .pagination .page-item .page-link {
            color: #475569;
            border: 1px solid #e2e8f0;
            padding: 8px 16px;
            font-weight: 600;
        }
        .pagination .page-item.active .page-link {
            background-color: #2563eb;
            border-color: #2563eb;
            color: #ffffff;
        }
        .pagination .page-item .page-link:hover {
            background-color: #f1f5f9;
            color: #2563eb;
        }

        /* Penyesuaian Halaman Panduan */
        .guide-section {
            border-left: 3px solid #e2e8f0;
            padding-left: 20px;
            transition: border-color 0.2s ease;
        }
        .guide-section:hover {
            border-left-color: #2563eb;
        }