'; reportContainer.innerHTML = html; }; nextBtn.addEventListener('click', () => { if (currentTab < totalTabs) { currentTab++; updateUI(); } }); prevBtn.addEventListener('click', () => { if (currentTab > 1) { currentTab--; updateUI(); } }); downloadPdfBtn.addEventListener('click', () => { const { jsPDF } = window.jspdf; const pdfContent = document.getElementById('report-container'); const pdfHeader = document.getElementById('pdf-header'); const pdfDate = document.getElementById('pdf-date'); if (!pdfContent || !pdfHeader || !pdfDate) { console.error("PDF generation elements not found."); return; } pdfDate.textContent = new Date().toLocaleDateString('en-US'); pdfHeader.classList.remove('hidden'); html2canvas(pdfContent, { scale: 2, useCORS: true }).then(canvas => { const imgData = canvas.toDataURL('image/png'); const pdf = new jsPDF({ orientation: 'portrait', unit: 'pt', format: 'a4' }); const pdfWidth = pdf.internal.pageSize.getWidth(); const imgProps = pdf.getImageProperties(imgData); const imgHeight = (imgProps.height * pdfWidth) / imgProps.width; pdf.addImage(imgData, 'PNG', 0, 0, pdfWidth, imgHeight); pdf.save('Legal_Document_Validation_Report.pdf'); pdfHeader.classList.add('hidden'); }).catch(err => { console.error("Error generating PDF:", err); pdfHeader.classList.add('hidden'); }); }); // Initial UI setup updateUI(); });