tabLayout.addOnTabSelectedListener(new TabLayout.OnTabSelectedListener() {
    @Override
    public void onTabSelected(TabLayout.Tab tab) {
        filterItemsByTab(tab.getPosition()); // 전체, 종목, 산업 순
    }
});

searchButton.setOnClickListener(v -> {
    String query = searchInput.getText().toString().trim();
    if (!query.isEmpty()) {
        performSearch(query);
    }
});

recyclerView.addOnScrollListener(new RecyclerView.OnScrollListener() {
    @Override
    public void onScrolled(@NonNull RecyclerView recyclerView, int dx, int dy) {
        if (!isLoading && lastVisibleItem + 1 >= totalItemCount) {
            loadNextPage();
        }
    }
});

client.newCall(request).enqueue(new Callback() {
    @Override
    public void onResponse(Call call, Response response) throws IOException {
        List<Item> items = parseJsonAndAddItems(response.body().string());
        requireActivity().runOnUiThread(() -> {
            reportAdapter.setItems(items);
            shimmerFrameLayout.setVisibility(View.GONE);
            recyclerView.setVisibility(View.VISIBLE);
        });
    }
});

shimmerFrameLayout.startShimmer();
LinearLayout shimmerLayout = view.findViewById(R.id.shimmer_linear);
for (int i = 0; i < 5; i++) {
    View skeletonView = inflater.inflate(R.layout.itembox_skeleton, shimmerLayout, false);
    shimmerLayout.addView(skeletonView);
}