Fix catalogue: sandboxed iframe to Publitas, blocks redirect, shows flipbook directly

index.html

@@ -646,7 +646,7 @@ function updActive(sel,attr,val){document.querySelectorAll(sel).forEach(e=>e.cla
 function closeMsb(){document.getElementById('msb').classList.remove('open')}
 document.addEventListener('keydown',e=>{if(e.key==='Escape')goBack();if(e.key==='/'&&document.activeElement.tagName!=='INPUT'){e.preventDefault();document.getElementById('q').focus()}});
 
-// ===== CATALOGUE (Publitas Embed — no iframe, no redirect) =====
+// ===== CATALOGUE (direct render, no redirect) =====
 const CAT_LIST=[
 {name:'Bếp',slug:'catalogue-bep',pages:64},
 {name:'Máy Hút',slug:'catalogue-may-hut',pages:66},
@@ -657,29 +657,21 @@ const CAT_LIST=[
 {name:'Master',slug:'malloca_catalog_master',pages:174},
 ];
 let catLoaded=false;
+let activeCat=0;
 
 function loadCatalogue(idx){
-idx=idx||0;
+if(idx===undefined)idx=0;
+activeCat=idx;
 document.querySelectorAll('.ctab').forEach((t,i)=>{
   t.style.background=i===idx?'var(--p)':'#fff';
   t.style.color=i===idx?'#fff':'var(--d)';
   t.style.borderColor=i===idx?'var(--p)':'var(--gl)';
 });
 let c=CAT_LIST[idx];
+let url='https://view.publitas.com/malloca/'+c.slug;
 let container=document.getElementById('catEmbed');
-container.innerHTML='';
-let pubEl=document.createElement('div');
-pubEl.className='publitas-embed';
-pubEl.setAttribute('data-publication','https://view.publitas.com/malloca/'+c.slug);
-pubEl.style.cssText='width:100%;height:100%';
-container.appendChild(pubEl);
-let old=document.getElementById('publitasScript');
-if(old)old.remove();
-let s=document.createElement('script');
-s.id='publitasScript';
-s.src='https://view.publitas.com/embed.js';
-s.async=true;
-document.body.appendChild(s);
+// Create iframe with sandbox to block top-navigation but allow scripts
+container.innerHTML=`<iframe src="${url}" sandbox="allow-scripts allow-same-origin allow-popups allow-popups-to-escape-sandbox" style="width:100%;height:100%;border:none;border-radius:16px" allowfullscreen></iframe>`;
 }
 
 function initCatTabs(){