async function copiarTexto(t){try{if(navigator.clipboard&&window.isSecureContext){await navigator.clipboard.writeText(t);return true}else{const e=document.createElement('textarea');e.value=t;e.style.position='fixed';e.style.left='-9999px';e.style.top='-9999px';document.body.appendChild(e);e.focus();e.select();try{const s=document.execCommand('copy');document.body.removeChild(e);return s}catch(r){document.body.removeChild(e);return false}}}catch(e){return false}}document.addEventListener('DOMContentLoaded',function(){const e=document.getElementById('cupomapp');if(e){e.addEventListener('click',async function(t){t.preventDefault();const s=await copiarTexto('APP10');s?alert('✅ Cupom APP10 copiado com sucesso!'):alert('❌ Não foi possível copiar o cupom. Tente novamente.')});e.style.cursor='pointer'}});