public function uploadReport(Request $request)
{
    $request->validate([
        'report_id' => 'required|integer',
        'price' => 'required|numeric|min:0',
        'remarks' => 'nullable|string',
        'report_file' => 'required|file|mimes:pdf,jpg,jpeg,png,doc,docx|max:10240', // 10MB
    ]);

    // Handle file upload and database operations here
    // Store file, update database, etc.

    return redirect()->back()->with('success', 'Report uploaded successfully!');
}