Advanced Parrot Nutrition Calculator

`; const w = window.open(''); w.document.write(reportHTML); w.document.close(); w.focus(); w.print(); });// Download PNG of chart + text as single image (simple approach: open chart image) pdfBtn.addEventListener('click', ()=>{ if(!chartInstance){ alert('Please calculate first.'); return; } const link = document.createElement('a'); link.href = chartInstance.toBase64Image(); link.download = 'parrot-nutrition-chart.png'; document.body.appendChild(link); link.click(); link.remove(); });})();