.page_header {
            top: 0;
            z-index: 1000;
            width: 100%;
        }

        /* ─── Filter Panel ─────────────────────────────────────────── */
        .filter_list {
            position: sticky;
            top: 160px;
            max-height: calc(100vh - 180px);
            overflow-y: auto;
            z-index: 900;
            background: #ffffff;
            border-radius: 14px;
            padding: 20px 16px;
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.08);
        }

        .filter_list::-webkit-scrollbar {
            width: 5px;
        }

        .filter_list::-webkit-scrollbar-track {
            background: #f1f1f1;
            border-radius: 3px;
        }

        .filter_list::-webkit-scrollbar-thumb {
            background: #c1c1c1;
            border-radius: 3px;
        }

        .filter-header {
            font-size: 16px;
            font-weight: 700;
            color: #1a2332;
            margin-bottom: 18px;
            padding-bottom: 12px;
            border-bottom: 2px solid #3498db;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        /* ─── Accordion Group ──────────────────────────────────────── */
        .custom-filter-group {
            margin-bottom: 4px;
            border-radius: 10px;
            overflow: hidden;
            border: 1px solid #eef0f3;
        }

        .filter-group-toggle {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 10px 14px;
            background: #f8f9fb;
            cursor: pointer;
            user-select: none;
            transition: background 0.2s;
            gap: 8px;
        }

        .filter-group-toggle:hover {
            background: #eef4fb;
        }

        .filter-group-toggle .toggle-left {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            font-weight: 600;
            color: #2c3e50;
        }

        .filter-group-toggle .toggle-left .ficon {
            font-size: 15px;
            color: #3498db;
            width: 20px;
            text-align: center;
        }

        .filter-group-toggle .toggle-left .ficon i {
            color: #3498db;
            font-size: 15px;
        }

        .filter-group-toggle .toggle-right {
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .active-count-badge {
            background: #3498db;
            color: white;
            border-radius: 10px;
            font-size: 11px;
            font-weight: 700;
            padding: 1px 7px;
            display: none;
        }

        .active-count-badge.visible {
            display: inline-block;
        }

        .toggle-chevron {
            font-size: 11px;
            color: #adb5bd;
            transition: transform 0.25s ease;
        }

        .custom-filter-group.open .toggle-chevron {
            transform: rotate(180deg);
        }

        .filter-group-body {
            display: none;
            padding: 10px 12px 12px;
            background: white;
            border-top: 1px solid #eef0f3;
        }

        .custom-filter-group.open .filter-group-body {
            display: block;
        }

        /* ─── Search Input ─────────────────────────────────────────── */
        .filter-search-wrap {
            position: relative;
            margin-bottom: 8px;
        }

        .filter-search-wrap .search-icon {
            position: absolute;
            left: 10px;
            top: 50%;
            transform: translateY(-50%);
            color: #3498db;
            font-size: 12px;
            pointer-events: none;
        }

        .filter-search-input {
            width: 100%;
            padding: 7px 10px 7px 30px;
            border: 1.5px solid #d8e3f0;
            border-radius: 8px;
            font-size: 12.5px;
            color: #333;
            background: #f7faff;
            outline: none;
            transition: border-color 0.2s, box-shadow 0.2s;
            box-sizing: border-box;
        }

        .filter-search-input::placeholder {
            color: #aab4c4;
        }

        .filter-search-input:focus {
            border-color: #3498db;
            background: #fff;
            box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.12);
        }

        /* ─── Options List ─────────────────────────────────────────── */
        .filter-options-list {
            max-height: 160px;
            overflow-y: auto;
            display: flex;
            flex-direction: column;
            gap: 2px;
        }

        .filter-options-list::-webkit-scrollbar {
            width: 4px;
        }

        .filter-options-list::-webkit-scrollbar-thumb {
            background: #ccc;
            border-radius: 2px;
        }

        .filter-option-item {
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 6px 8px;
            border-radius: 7px;
            cursor: pointer;
            transition: background 0.15s;
            font-size: 13px;
            color: #444;
            margin-bottom: 0;
        }

        .filter-option-item:hover {
            background: #f0f6ff;
        }

        .filter-option-item.selected {
            background: #e8f3fc;
            color: #1a6eb5;
            font-weight: 600;
        }

        .filter-option-check {
            width: 16px;
            height: 16px;
            border: 2px solid #c8d4e0;
            border-radius: 50%;
            flex-shrink: 0;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: border-color 0.15s, background 0.15s;
        }

        .filter-option-item.selected .filter-option-check {
            border-color: #3498db;
            background: #3498db;
        }

        .filter-option-item.selected .filter-option-check::after {
            content: '';
            width: 6px;
            height: 6px;
            background: white;
            border-radius: 50%;
        }

        .filter-option-label {
            flex: 1;
            line-height: 1.3;
        }

        .filter-no-results {
            font-size: 12px;
            color: #aab4c4;
            text-align: center;
            padding: 10px 0;
            display: none;
        }

        /* ─── Budget / Price Range ─────────────────────────────────── */
        .price-range-body {
            padding: 12px;
        }

        .price_input {
            display: flex;
            gap: 8px;
            align-items: center;
            margin-top: 10px;
        }

        .price_input .form-control {
            flex: 1;
            text-align: center;
            border: 1.5px solid #d8e3f0;
            border-radius: 8px;
            font-size: 13px;
            padding: 6px 8px !important;
            background: #f7faff;
            outline: none;
            transition: border-color 0.2s;
        }

        .price_input .form-control:focus {
            border-color: #3498db;
            background: #fff;
            box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.12);
        }

        .price_input span {
            color: #aab4c4;
            font-size: 14px;
            flex-shrink: 0;
        }

        /* ─── Reset Button ─────────────────────────────────────────── */
        .btn_reset {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            width: 100%;
            margin-top: 16px;
            padding: 10px;
            background: #f8f9fa;
            color: #495057;
            border: 1px solid #dee2e6;
            border-radius: 10px;
            font-size: 13px;
            font-weight: 600;
            text-decoration: none;
            transition: all 0.2s;
            cursor: pointer;
        }

        .btn_reset:hover {
            background: #e9ecef;
            color: #3498db;
            border-color: #3498db;
            text-decoration: none;
        }

        /* ─── Selected Filter Tags ─────────────────────────────────── */
        .selected-filters {
            margin-bottom: 25px;
            padding: 20px;
            background: white;
            border-radius: 12px;
            display: none;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
            border: 1px solid #f0f0f0;
        }

        .selected-filters.active {
            display: block;
        }

        .selected-filters-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 15px;
        }

        .selected-filters-title {
            font-weight: 600;
            color: #2c3e50;
            font-size: 16px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .selected-filters-title i {
            color: #3498db;
        }

        .clear-all-btn {
            background: #e74c3c;
            color: white;
            border: none;
            padding: 8px 16px;
            border-radius: 6px;
            font-size: 13px;
            cursor: pointer;
            display: flex;
            align-items: center;
            gap: 6px;
            transition: all 0.3s ease;
            font-weight: 500;
        }

        .clear-all-btn:hover {
            background: #c0392b;
        }

        .filter-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .filter-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: #eef4fb;
            padding: 5px 10px 5px 6px;
            border-radius: 20px;
            font-size: 13px;
            border: 1px solid #c5ddf6;
            color: #1a5f99;
            font-weight: 500;
            transition: background 0.2s;
        }

        .filter-tag:hover {
            background: #ddedf8;
        }

        .filter-tag .tag-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 24px;
            height: 24px;
            background: #3498db;
            border-radius: 50%;
            color: white;
            font-size: 11px;
            flex-shrink: 0;
        }

        .filter-tag .tag-icon.is-emoji {
            font-size: 13px;
        }

        .filter-tag .tag-label {
            line-height: 1.2;
        }

        .filter-tag .tag-label .tag-category {
            display: block;
            font-size: 10px;
            color: #5b8ab5;
            font-weight: 400;
        }

        .filter-tag .tag-label .tag-value {
            display: block;
            font-size: 12px;
            font-weight: 600;
            color: #1a5f99;
        }

        .filter-tag .remove-filter {
            margin-left: 2px;
            cursor: pointer;
            width: 18px;
            height: 18px;
            border-radius: 50%;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: rgba(52, 152, 219, 0.15);
            color: #3498db;
            font-size: 10px;
            transition: all 0.2s;
            flex-shrink: 0;
        }

        .filter-tag .remove-filter:hover {
            background: #e74c3c;
            color: white;
        }

        /* ─── Program Cards ────────────────────────────────────────── */
        .program_box {
            background: white;
            border-radius: 12px;
            border: 1px solid #e9ecef;
            margin-bottom: 25px;
            overflow: hidden;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
            transition: all 0.3s ease;
        }

        .program_box:hover {
            box-shadow: 0 6px 24px rgba(0, 0, 0, 0.12);
        }

        .program_box_top {
            padding: 25px;
            display: flex;
            align-items: flex-start;
        }

        .program_logo {
            width: 80px;
            height: 80px;
            flex-shrink: 0;
            margin-right: 25px;
        }

        .program_logo img {
            width: 100%;
            height: 100%;
            object-fit: contain;
            border-radius: 10px;
        }

        .program_detail {
            flex: 1;
        }

        .program_detail h4 {
            font-size: 18px;
            font-weight: 600;
            color: #2c3e50;
            margin-bottom: 8px;
        }

        .program_detail h4 a {
            color: inherit;
            text-decoration: none;
        }

        .program_detail h4 a:hover {
            color: #3498db;
        }

        .location_box {
            display: flex;
            align-items: center;
            gap: 8px;
            color: #6c757d;
            font-size: 14px;
            margin-bottom: 15px;
        }

        .location_box i {
            color: #3498db;
        }

        .tuition_info {
            margin-bottom: 10px;
        }

        .tuition_info .official-tuition {
            color: #28a745;
            font-size: 14px;
        }

        .tuition_info .strike {
            text-decoration: line-through;
            color: #6c757d;
            margin-right: 5px;
        }

        .service_fee {
            color: #17a2b8;
            font-size: 14px;
        }

        .program_box_bottom {
            padding: 20px 25px;
            background: #f8f9fa;
            border-top: 1px solid #e9ecef;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .detail_list {
            display: flex;
            flex-wrap: wrap;
            gap: 15px;
        }

        .detail_list span {
            display: flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            color: #495057;
            background: white;
            padding: 6px 12px;
            border-radius: 20px;
            border: 1px solid #e9ecef;
        }

        .detail_list i {
            color: #3498db;
            font-size: 14px;
        }

        .apply_btn {
            background: linear-gradient(135deg, #3498db, #2980b9);
            color: white;
            padding: 10px 24px;
            border-radius: 8px;
            text-decoration: none;
            font-weight: 600;
            font-size: 14px;
            transition: all 0.3s ease;
            box-shadow: 0 4px 12px rgba(52, 152, 219, 0.2);
        }

        .apply_btn:hover {
            background: linear-gradient(135deg, #2980b9, #2573a7);
            transform: translateY(-2px);
            box-shadow: 0 6px 16px rgba(52, 152, 219, 0.3);
            color: white;
            text-decoration: none;
        }

        /* ─── Results Count ────────────────────────────────────────── */
        #programsCount {
            background: white;
            padding: 15px 25px;
            border-radius: 12px;
            border: 1px solid #e9ecef;
            font-size: 15px;
            color: #495057;
            margin-bottom: 25px;
            display: none;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
        }

        #programsCount span {
            color: #3498db;
            font-weight: 700;
        }

        /* ─── Loading / No Results ─────────────────────────────────── */
        .results-loading {
            text-align: center;
            padding: 80px 20px;
            background: white;
            border-radius: 12px;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
            border: 1px solid #f0f0f0;
        }

        .results-loading .spinner-border {
            width: 60px;
            height: 60px;
            border-width: 4px;
            color: #3498db;
        }

        .results-loading .loading-text {
            margin-top: 20px;
            color: #495057;
            font-size: 16px;
            font-weight: 500;
        }

        .no-results {
            text-align: center;
            padding: 80px 20px;
            background: white;
            border-radius: 12px;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
            border: 1px solid #f0f0f0;
        }

        .no-results i {
            font-size: 60px;
            color: #adb5bd;
            margin-bottom: 25px;
        }

        .no-results h4 {
            color: #495057;
            margin-bottom: 15px;
            font-size: 20px;
        }

        .no-results p {
            color: #6c757d;
            font-size: 16px;
        }

        /* ─── Pagination ───────────────────────────────────────────── */
        .pagination-container {
            margin-top: 30px;
            padding-top: 25px;
            border-top: 1px solid #e9ecef;
        }

        .pagination {
            justify-content: center;
        }

        .pagination .page-item.active .page-link {
            background: linear-gradient(135deg, #3498db, #2980b9);
            border-color: #3498db;
        }

        .pagination .page-link {
            color: #3498db;
            border: 1px solid #dee2e6;
            padding: 10px 18px;
            margin: 0 4px;
            border-radius: 8px;
            transition: all 0.3s ease;
        }

        .pagination .page-link:hover {
            background-color: #f8f9fa;
            border-color: #3498db;
        }

        /* ─── Mobile ───────────────────────────────────────────────── */
        @media (max-width: 991.98px) {
            .filter_list {
                position: static;
                max-height: none;
                margin-bottom: 25px;
            }

            .program_box_top {
                flex-direction: column;
                text-align: center;
            }

            .program_logo {
                margin-right: 0;
                margin-bottom: 20px;
            }

            .program_box_bottom {
                flex-direction: column;
                gap: 15px;
                text-align: center;
            }

            .detail_list {
                justify-content: center;
            }
        }

        @media (max-width: 768px) {
            .selected-filters-header {
                flex-direction: column;
                gap: 10px;
                align-items: flex-start;
            }

            .clear-all-btn {
                align-self: flex-end;
            }

            .price_input {
                flex-direction: column;
            }

            .program_box_bottom {
                padding: 15px;
            }

            .detail_list span {
                font-size: 12px;
                padding: 5px 10px;
            }
        }