diff --git a/templates/index.html b/templates/index.html
index f251cb7..1cb1d75 100644
--- a/templates/index.html
+++ b/templates/index.html
@@ -1236,18 +1236,30 @@
     });
 
     async function uploadToNextcloud(id, title) {
+      // Optimistic UI: takoj zamrzni vse Nextcloud gumbe za ta job in pokazi "Posiljam..."
+      const btns = document.querySelectorAll(`button[data-action="nextcloud"][data-id="${id}"]`);
+      const orig = [];
+      btns.forEach(b => {
+        orig.push({ btn: b, html: b.innerHTML, disabled: b.disabled, style: b.getAttribute("style") || "" });
+        b.disabled = true;
+        b.innerHTML = '⏳ Pošiljam...';
+        b.setAttribute("style", "border-color:#f59e0b; color:#f59e0b; opacity:0.85; cursor:wait;");
+      });
       try {
         const r = await fetch(`/api/jobs/${id}/upload-nextcloud`, { method: "POST" });
         if (!r.ok) {
           const err = await r.json().catch(() => ({}));
           alert("❌ Napaka: " + (err.detail || r.status));
+          // Vrni original state pri napaki
+          orig.forEach(o => { o.btn.disabled = o.disabled; o.btn.innerHTML = o.html; o.btn.setAttribute("style", o.style); });
           return;
         }
-        const data = await r.json();
-        // Status will update via SSE / refresh
-        refreshJobs();
+        await r.json();
+        // refreshJobs() bo zamenjal gumb v zelen ✓
+        await refreshJobs();
       } catch (e) {
         alert("❌ Napaka: " + e.message);
+        orig.forEach(o => { o.btn.disabled = o.disabled; o.btn.innerHTML = o.html; o.btn.setAttribute("style", o.style); });
       }
     }