`; embedCodeTextarea.value = ``; }window.toggleEmbedPanel = function() { if (embedPanel.style.display === 'none' || embedPanel.style.display === '') { generateEmbedCode(); embedPanel.style.display = 'block'; } else { embedPanel.style.display = 'none'; } };window.copyEmbedCode = function() { embedCodeTextarea.select(); navigator.clipboard?.writeText(embedCodeTextarea.value).then(() => alert('Embed code copied!')).catch(() => alert('Press Ctrl+C')); };document.addEventListener('DOMContentLoaded', function() { populateCurrency();currencySelect.addEventListener('change', function(e) { const found = currencies.find(c => c.code === e.target.value); if (found) currentCurrency = found; updateCurrencySymbols(); renderRows(); calculate(); });periodInput.addEventListener('input', calculate); periodInput.addEventListener('change', calculate);renderRows(); calculate(); }); })();