diff --git a/templates/base.html b/templates/base.html
index bd9d973..6b8075a 100644
--- a/templates/base.html
+++ b/templates/base.html
@@ -29,7 +29,7 @@
       font-weight: 700; font-size: 1.1rem;
       border-bottom: 1px solid #2e323d;
       display: flex; align-items: center; justify-content: space-between;
-      white-space: nowrap;
+      white-space: nowrap; position: relative;
     }
     #sidebar .brand .brand-text { transition: opacity .15s; }
     #sidebar.collapsed .brand .brand-text { opacity: 0; pointer-events: none; }
@@ -38,10 +38,16 @@
     #sidebarToggle {
       background: none; border: none; color: #9ba3af; cursor: pointer;
       padding: .2rem .3rem; border-radius: 4px; flex-shrink: 0;
-      transition: color .15s, background .15s;
+      transition: color .15s, background .15s, right .2s ease;
       font-size: 1rem; line-height: 1;
+      position: relative; z-index: 1;
     }
     #sidebarToggle:hover { color: #fff; background: #2e323d; }
+    /* En mode replié, centrer le bouton dans les 52px */
+    #sidebar.collapsed #sidebarToggle {
+      position: absolute;
+      left: 50%; transform: translateX(-50%);
+    }
 
     #sidebar nav { flex: 1; padding: .5rem 0; overflow: hidden; }
     #sidebar nav a {
diff --git a/templates/new_job.html b/templates/new_job.html
index 6a9c099..a91ec7a 100644
--- a/templates/new_job.html
+++ b/templates/new_job.html
@@ -22,14 +22,20 @@
       </div>
       <div class="collapse" id="bambuBody">
         <div class="card-body">
-          <div class="d-flex align-items-center gap-3">
-            <input type="file" id="file3mf" accept=".3mf" class="form-control" style="max-width:320px">
+          <div class="d-flex align-items-center gap-2 flex-wrap">
+            <input type="file" id="file3mf" accept=".3mf" class="form-control" style="max-width:260px">
             <button type="button" class="btn btn-outline-warning" onclick="parse3mf()">
               <i class="bi bi-magic me-1"></i>Extraire
             </button>
+            <span class="text-muted small">ou</span>
+            <button type="button" class="btn btn-outline-secondary" id="ncBambuBtn"
+                    data-bs-toggle="modal" data-bs-target="#ncPickerModal"
+                    onclick="ncPickerMode='bambu'">
+              <i class="bi bi-cloud-arrow-down me-1"></i>Nextcloud
+            </button>
             <span id="parseStatus" class="text-muted small"></span>
           </div>
-          <div class="form-text mt-1">Votre fichier .3mf depuis Bambu Studio pour remplir poids et durée automatiquement.</div>
+          <div class="form-text mt-1">Choisissez un fichier local <strong>.3mf</strong> ou parcourez Nextcloud — poids et durée seront remplis automatiquement, et le fichier source sera défini.</div>
         </div>
       </div>
     </div>
@@ -63,7 +69,8 @@
                        value="{{ prefill.source_file if prefill else '' }}">
                 <button type="button" class="btn btn-outline-secondary" id="ncBrowseBtn"
                         data-bs-toggle="modal" data-bs-target="#ncPickerModal"
-                        title="Parcourir Nextcloud">
+                        title="Parcourir Nextcloud"
+                        onclick="ncPickerMode='source'">
                   <i class="bi bi-cloud-arrow-down"></i>
                 </button>
               </div>
@@ -332,7 +339,7 @@
   const KEY = 'bambu_open';
   const body    = document.getElementById('bambuBody');
   const chevron = document.getElementById('bambuChevron');
-  const isOpen  = localStorage.getItem(KEY) !== 'false';   // open by default
+  const isOpen  = localStorage.getItem(KEY) === 'true';   // collapsed by default
   if (isOpen) {
     body.classList.add('show');
     chevron.style.transform = 'rotate(180deg)';
@@ -707,6 +714,7 @@ updateMarginDisplay(_initMargin);
 if (document.getElementById('weight_g').value) recalc();
 
 // ── Nextcloud File Picker ─────────────────────────────────────────────────────
+let ncPickerMode = 'source'; // 'source' = remplit seulement sourceFile, 'bambu' = remplit + parse 3MF
 (function () {
   const modal    = document.getElementById('ncPickerModal');
   const body     = document.getElementById('ncPickerBody');
@@ -781,7 +789,8 @@ if (document.getElementById('weight_g').value) recalc();
     body.appendChild(list);
   }
 
-  function selectFile(item) {
+  async function selectFile(item) {
+    // Toujours remplir le fichier source
     sfInput.value = item.path;
     // Auto-remplir le nom de commande si vide
     const nameField = document.getElementById('jobName');
@@ -789,6 +798,27 @@ if (document.getElementById('weight_g').value) recalc();
       nameField.value = item.name.replace(/\.[^.]+$/, '');
     }
     bootstrap.Modal.getInstance(modal).hide();
+
+    // Mode Bambu : récupérer le fichier depuis Nextcloud et le parser comme un 3MF
+    if (ncPickerMode === 'bambu' && item.name.toLowerCase().endsWith('.3mf')) {
+      const status = document.getElementById('parseStatus');
+      status.innerHTML = '<span class="spinner-border spinner-border-sm me-1"></span>Téléchargement…';
+      try {
+        const resp = await fetch('/api/nextcloud/file?path=' + encodeURIComponent(item.path));
+        if (!resp.ok) throw new Error('Erreur téléchargement Nextcloud');
+        const blob = await resp.blob();
+        const file = new File([blob], item.name, { type: 'application/octet-stream' });
+        // Injecter dans l'input local (pour réutiliser parse3mf())
+        const dt = new DataTransfer();
+        dt.items.add(file);
+        document.getElementById('file3mf').files = dt.files;
+        await parse3mf();
+      } catch (e) {
+        document.getElementById('parseStatus').innerHTML =
+          `<span class="text-danger"><i class="bi bi-x-circle me-1"></i>${e.message}</span>`;
+      }
+    }
+    ncPickerMode = 'source'; // reset
   }
 
   // Ouvrir = charger le dossier racine