`; } let currentHtml=''; function gerar(){ currentHtml=buildOrcamento(); const frame=document.getElementById('previewFrame'); const empty=document.getElementById('emptyState'); frame.style.display='block'; empty.style.display='none'; frame.srcdoc=currentHtml; document.getElementById('btnDownload').disabled=false; } function baixar(){ if(!currentHtml) return; const clientName=val('clientName')||'cliente'; const slug=clientName.toLowerCase().replace(/\s+/g,'-').replace(/[^a-z0-9-]/g,''); const blob=new Blob([currentHtml], {type:'text/html;charset=utf-8'}); const a=document.createElement('a'); a.href=URL.createObjectURL(blob); a.download=`orcamento-${slug}.html`; a.click(); }