diff --git a/core/class/declarationtva_pdf.class.php b/core/class/declarationtva_pdf.class.php
index 7194e2c..7ec2a0f 100644
--- a/core/class/declarationtva_pdf.class.php
+++ b/core/class/declarationtva_pdf.class.php
@@ -1173,6 +1173,75 @@ class DeclarationTVA_PDF
         $this->addAccountDetailsTable($pdf, $line_details['account_details'], $line_code);
     }
 
+    /**
+     * Generate improved detailed PDF with new layout
+     *
+     * @param string $output_path Output file path
+     * @param DeclarationTVA $declaration Declaration object
+     * @param array $ca3_data CA-3 line data
+     * @param Societe $mysoc Company object
+     * @return bool Success
+     */
+    private function generateImprovedDetailedPDF($output_path, $declaration, $ca3_data, $mysoc)
+    {
+        try {
+            // Create a new PDF document
+            $pdf = new DeclarationTVA_CustomPDF(PDF_PAGE_ORIENTATION, PDF_UNIT, PDF_PAGE_FORMAT, true, 'UTF-8', false);
+            
+            // Set company name and declaration period for footer
+            $pdf->setCompanyName($mysoc->name);
+            $pdf->setDeclarationPeriod(dol_print_date($declaration->start_date, 'day') . ' - ' . dol_print_date($declaration->end_date, 'day'));
+            
+            // Set document information
+            $pdf->SetCreator('DeclarationTVA Module');
+            $pdf->SetAuthor($mysoc->name);
+            $pdf->SetTitle('CA-3 Declaration Details ' . $declaration->declaration_number);
+            $pdf->SetSubject('French VAT Declaration Details');
+            
+            // Set margins
+            $pdf->SetMargins(15, 15, 15);
+            $pdf->SetHeaderMargin(5);
+            $pdf->SetFooterMargin(10);
+            
+            // Set thin borders for all elements
+            $pdf->SetLineWidth(0.1);
+            
+            // Add title page
+            $pdf->AddPage();
+            $pdf->SetFont('helvetica', 'B', 16);
+            $pdf->SetFillColor(240, 240, 240); // Light gray background
+            $pdf->Cell(0, 10, 'Détails de la Déclaration TVA CA-3', 1, 1, 'C', true);
+            $pdf->Ln(10);
+            
+            $pdf->SetFont('helvetica', '', 12);
+            $pdf->Cell(0, 8, 'Numéro de déclaration: ' . $declaration->declaration_number, 0, 1);
+            $pdf->Cell(0, 8, 'Période: ' . dol_print_date($declaration->start_date, 'day') . ' - ' . dol_print_date($declaration->end_date, 'day'), 0, 1);
+            $pdf->Cell(0, 8, 'Statut: ' . $this->translateStatus($declaration->status), 0, 1);
+            $pdf->Ln(10);
+            
+            // Add journal entry table on page 1
+            $this->addJournalEntryTable($pdf, $declaration, $ca3_data);
+            
+            // Add bank journal entry table on page 1
+            $this->addBankJournalEntryTable($pdf, $declaration, $ca3_data);
+            
+            // Add detailed breakdown pages starting on page 2
+            $this->addDetailedPagesContent($pdf, $declaration, $ca3_data);
+            
+            // Set total pages for footer after all pages are generated
+            $pdf->setTotalPages($pdf->getNumPages());
+            
+            // Output PDF
+            $pdf->Output($output_path, 'F');
+            
+            return true;
+            
+        } catch (Exception $e) {
+            $this->error = 'Improved detailed PDF generation failed: ' . $e->getMessage();
+            return false;
+        }
+    }
+
     /**
      * Add account details table to PDF
      *
@@ -1336,7 +1405,7 @@ class DeclarationTVA_PDF
             // Create a temporary detailed PDF
             $temp_detailed_path = tempnam(sys_get_temp_dir(), 'ca3_detailed_') . '.pdf';
             
-            $result = $this->generateDetailedPDF($temp_detailed_path, $declaration, $ca3_data, $mysoc);
+            $result = $this->generateImprovedDetailedPDF($temp_detailed_path, $declaration, $ca3_data, $mysoc);
             
             if (!$result) {
                 return false;