`; printWindow.document.write(html); printWindow.document.close(); setTimeout(() => { printWindow.print(); }, 250); }function itExportPDF() { // PDF generation in browser is best handled by the print function // which allows users to "Save as PDF" with perfect formatting. itPrintComputation(); }function itExportExcel() { const data = itLastCalculation; if (!data.fy) { alert('Please calculate tax first'); return; } const csvContent = `Income Tax Computation Report Tax Year (Financial Year),${data.fy} Generated On,${new Date().toLocaleDateString('en-IN')}Income Details Gross Income,${data.grossIncome}Old Tax Regime Deductions,${data.oldDeductions} Taxable Income,${data.oldTaxableIncome} Income Tax,${Math.round(data.oldTax)} Cess,${Math.round(data.oldCess)} Total Tax,${Math.round(data.oldTotalTax)}New Tax Regime Standard Deduction,${data.newStdDed} Taxable Income,${data.newTaxableIncome} Income Tax,${Math.round(data.newTax)} Cess,${Math.round(data.newCess)} Total Tax,${Math.round(data.newTotalTax)}Comparison Tax Difference,${Math.round(Math.abs(data.oldTotalTax - data.newTotalTax))} Better Regime,${data.oldTotalTax < data.newTotalTax ? 'Old Regime' : data.newTotalTax < data.oldTotalTax ? 'New Regime' : 'Both Equal'}Disclaimer This is for informational purposes only. Please verify with a tax professional. `; const blob = new Blob([csvContent], { type: 'text/csv' }); const url = URL.createObjectURL(blob); const a = document.createElement('a'); a.href = url; a.download = 'income-tax-computation-' + data.fy + '.csv'; a.click(); URL.revokeObjectURL(url); }function toggleItDropdown(dropdownId) { const dropdown = document.getElementById(dropdownId); document.querySelectorAll('.custom-dropdown').forEach(d => { if (d.id !== dropdownId) { d.classList.remove('open'); // JS fallback: remove z-index from parent form-groups const parentGroup = d.closest('.taxgst-form-group'); if (parentGroup) parentGroup.style.zIndex = ''; } }); dropdown.classList.toggle('open'); // JS fallback: set high z-index on parent form-group for browsers without :has() support const parentGroup = dropdown.closest('.taxgst-form-group'); if (parentGroup) { parentGroup.style.zIndex = dropdown.classList.contains('open') ? '100' : ''; } }function selectItFY(value, text) { document.getElementById('it-financialYear').value = value; document.getElementById('it-financialYear-text').textContent = text; document.getElementById('it-financialYear-dropdown').classList.remove('open'); const dropdown = document.getElementById('it-financialYear-dropdown'); dropdown.querySelectorAll('.custom-dropdown-option').forEach(opt => opt.classList.remove('selected')); event.target.classList.add('selected'); itCalculateTax(); }function selectItAge(value, text) { document.getElementById('it-ageCategory').value = value; document.getElementById('it-ageCategory-text').textContent = text; document.getElementById('it-ageCategory-dropdown').classList.remove('open'); const dropdown = document.getElementById('it-ageCategory-dropdown'); dropdown.querySelectorAll('.custom-dropdown-option').forEach(opt => opt.classList.remove('selected')); event.target.classList.add('selected'); itCalculateTax(); }document.addEventListener('click', function(e) { if (!e.target.closest('.custom-dropdown')) { document.querySelectorAll('.custom-dropdown').forEach(d => d.classList.remove('open')); // JS fallback: clear z-index from all parent form-groups document.querySelectorAll('.taxgst-form-group').forEach(fg => fg.style.zIndex = ''); } });document.addEventListener('DOMContentLoaded', function() { itCalculateTax(); });