Total Cost Basis: ${summaryTotalCostBasis.textContent}

Total Current Value: ${summaryTotalCurrentValue.textContent}

Total Unrealized Gain/Loss: ${summaryTotalGainLoss.textContent}

`; let itemsHtml = `

Portfolio Items

`; portfolioItems.forEach(item => { const costBasis = item.purchasePrice; const gainLossAmount = item.currentValue - costBasis; const gainLossPercent = costBasis !== 0 ? (gainLossAmount / costBasis) * 100 : (item.currentValue > 0 ? Infinity : 0); const holdingPeriod = calculateHoldingPeriod(item.acquisitionDate, item.valuationDate); itemsHtml += ``; }); itemsHtml += `

Name	Category	Artist	Acq. Date	Qty	Cost Basis	Current Value	Val. Date	Gain/Loss ($)	Gain/Loss (%)	Holding Period
${item.name}	${item.category}	${item.artist || 'N/A'}	${formatDateForDisplay(item.acquisitionDate)}	${item.quantity}	${formatCurrency(costBasis)}	${formatCurrency(item.currentValue)}	${formatDateForDisplay(item.valuationDate)}	${formatCurrency(gainLossAmount)}	${formatPercentage(gainLossPercent)}	${holdingPeriod}

`; const pdfContent = `

Art & Collectibles Portfolio Report

${summaryHtml} ${itemsHtml}

---

Generated on: ${new Date().toLocaleDateString()} ${new Date().toLocaleTimeString()}

`; const printWindow = window.open('', '_blank'); if (printWindow) { printWindow.document.write(''); printWindow.document.write(pdfContent); printWindow.document.write(''); printWindow.document.close(); printWindow.focus(); setTimeout(() => { printWindow.print(); }, 250); } else { alert('Could not open print window. Please check your browser pop-up settings.'); } }); // Initial Load loadPortfolio(); });