diff --git a/frontend/js/palette.js b/frontend/js/palette.js
index 536bd03..69e51c4 100644
--- a/frontend/js/palette.js
+++ b/frontend/js/palette.js
@@ -25,6 +25,7 @@ const CMDS = [
   { id:'edit-current', label:'✏️ Éditer fichier courant', desc:'Ouvrir le fichier actif dans l\'éditeur', cat:'Fichiers', act:()=>{close();const f=getCurrentFile();if(f)openEditor(f.vault,f.path);else showToast('Aucun fichier ouvert','error');} },
   { id:'popout',       label:'🪟 Pop-out',               desc:'Ouvrir le document dans une fenêtre',  cat:'Fichiers',  act:()=>{close();const f=getCurrentFile();if(f)window.open(`/popout/${encodeURIComponent(f.vault)}/${encodeURIComponent(f.path)}`,'popout','width=1000,height=700');else showToast('Aucun fichier ouvert','error');} },
   { id:'create-file',  label:'📄 Créer fichier markdown', desc:'Choisir la vault, naviguer, puis nommer le fichier', cat:'Fichiers', act:()=>startBrowse('create-file') },
+  { id:'delete-file',  label:'🗑️ Supprimer fichier',      desc:'Rechercher un fichier à supprimer', cat:'Fichiers', act:()=>startBrowse('delete-file') },
   { id:'delete-cur',   label:'🗑️ Supprimer fichier courant', desc:'Supprimer le fichier de l\'onglet actif', cat:'Fichiers', act:async()=>{close();await delCurFile();} },
   { id:'create-dir',   label:'📁 Créer répertoire',       desc:'Choisir la vault, naviguer, puis nommer le dossier', cat:'Répertoires', act:()=>startBrowse('create-dir') },
   { id:'delete-dir',   label:'🗑️ Supprimer répertoire',   desc:'Choisir la vault, naviguer et supprimer', cat:'Répertoires', act:()=>startBrowse('delete-dir') },
@@ -50,8 +51,9 @@ async function renderVaultPicker() {
     if (_items.length === 0) {
       _items = [{ type:'_empty', label: 'Aucune vault trouvée', sublabel: '' }];
     }
+    _allItems = _items;
     render();
-  } catch { _items = [{ type:'_error', label: 'Erreur de chargement', sublabel: '' }]; render(); }
+  } catch { _items = [{ type:'_error', label: 'Erreur de chargement', sublabel: '' }]; _allItems = _items; render(); }
 }
 
 // ── Browse: directory navigation ──
@@ -66,8 +68,8 @@ async function renderBrowse() {
     let acc = '';
     for (const s of segs) { acc = acc ? acc+'/'+s : s; html += `<span class="cp-bc-sep">/</span><span class="cp-bc-item" data-path="${esc(acc)}">${esc(s)}</span>`; }
     bc.innerHTML = html;
-    bc.querySelectorAll('.cp-bc-item[data-path]').forEach(el => el.addEventListener('click', ()=>{ _browse.path=el.dataset.path; renderBrowse(); }));
-    bc.querySelector('.cp-bc-root').addEventListener('click', ()=>{ _browse.path=''; renderBrowse(); });
+    bc.querySelectorAll('.cp-bc-item[data-path]').forEach(el => el.addEventListener('click', ()=>{ _browse.path=el.dataset.path; _browseFilter=''; if(_browseFilterEl)_browseFilterEl.value=''; renderBrowse(); }));
+    bc.querySelector('.cp-bc-root').addEventListener('click', ()=>{ _browse.path=''; _browseFilter=''; if(_browseFilterEl)_browseFilterEl.value=''; renderBrowse(); });
   }
 
   try {
@@ -76,32 +78,53 @@ async function renderBrowse() {
     const dirs = items.filter(i => i.type === 'directory' || i.is_dir);
     const files = items.filter(i => i.type === 'file' && !i.is_dir);
 
-    // Action row
-    const actLabel = { 'create-file':'📄 Créer fichier ici', 'create-dir':'📁 Créer dossier ici', 'delete-dir':'🗑️ Supprimer ce dossier' };
-    if (_browse.action === 'delete-dir' && path) {
-      _items.push({ type:'_action', id:'confirm', label: '🗑️ Supprimer '+ (path.split('/').pop()||path), sublabel: 'Tout le contenu sera supprimé', act:()=>execDelDir(path) });
-    } else if (_browse.action !== 'delete-dir') {
-      _items.push({ type:'_action', id:'confirm', label: actLabel[_browse.action]||'', sublabel: 'Dans '+(path||'racine'), act:()=>askName() });
+    // Action row (for create/delete actions)
+    const actLabel = {
+      'create-file':'📄 Créer fichier ici',
+      'create-dir':'📁 Créer dossier ici',
+      'delete-dir':'🗑️ Supprimer ce dossier',
+      'delete-file':'🗑️ Supprimer un fichier dans ce dossier',
+      'open-file':'📂 Ouvrir un fichier dans ce dossier'
+    };
+    const isDeleteDir = _browse.action === 'delete-dir' && path;
+    const isDeleteFile = _browse.action === 'delete-file';
+    const isOpenFile = _browse.action === 'open-file';
+    const needsName = _browse.action === 'create-file' || _browse.action === 'create-dir';
+
+    if (isDeleteDir) {
+      _items.push({ type:'_action', label: '🗑️ Supprimer '+ (path.split('/').pop()||path), sublabel: 'Tout le contenu sera supprimé', act:()=>execDelDir(path) });
+    } else if (needsName) {
+      _items.push({ type:'_action', label: actLabel[_browse.action]||'', sublabel: 'Dans '+(path||'racine'), act:()=>askName() });
     }
+    // For delete-file and open-file, the action row is informational (no direct action — user selects a file below)
 
     // Parent
     if (path) {
-      const parent = path.split('/').slice(0,-1).join('/');
-      _items.push({ type:'_nav', label: '📂 .. (parent)', go: parent });
+      _items.push({ type:'_nav', label: '📂 .. (parent)', go: path.split('/').slice(0,-1).join('/') });
     }
 
-    // Subdirs
+    // Subdirs (always navigable)
     for (const d of dirs) {
       const fp = path ? path+'/'+d.name : d.name;
       _items.push({ type:'_nav', label: '📁 '+d.name, go: fp });
     }
-    // Files (info)
-    for (const f of files) _items.push({ type:'_info', label: '📄 '+f.name, sublabel: '' });
+
+    // Files — clickable for open-file and delete-file, informational otherwise
+    const fileType = (isOpenFile || isDeleteFile) ? '_file' : '_info';
+    for (const f of files) {
+      const fp = path ? path+'/'+f.name : f.name;
+      if (isDeleteFile) {
+        _items.push({ type:'_file', label: '📄 '+f.name, sublabel: fp, act:()=>execDelFile(fp) });
+      } else if (isOpenFile) {
+        _items.push({ type:'_file', label: '📄 '+f.name, sublabel: fp, act:()=>{ close(); openFile(vault, fp); } });
+      } else {
+        _items.push({ type:'_info', label: '📄 '+f.name, sublabel: fp });
+      }
+    }
 
     if (_items.length === 0) _items.push({ type:'_empty', label: '📂 Dossier vide', sublabel: '' });
   } catch { _items = [{ type:'_error', label: 'Erreur', sublabel: '' }]; }
 
-  // Store all items for filtering
   _allItems = _items;
   applyBrowseFilter();
 }
@@ -115,8 +138,12 @@ function applyBrowseFilter() {
     const sublabel = (it.sublabel || '').toLowerCase();
     return label.includes(q) || sublabel.includes(q);
   };
-  // Always keep action row and parent nav
-  _items = _allItems.filter(it => it.type === '_action' || it.type === '_nav' && it.label.includes('..') || shouldKeep(it));
+  // Always keep action row and parent nav and empty/error messages
+  _items = _allItems.filter(it =>
+    it.type === '_action' || it.type === '_empty' || it.type === '_error' ||
+    (it.type === '_nav' && it.label.includes('..')) ||
+    shouldKeep(it)
+  );
   render();
 }
 
@@ -129,7 +156,6 @@ function onBrowseFilterKey(e) {
   if (e.key === 'Escape') {
     e.preventDefault();
     if (_browseFilter) {
-      // Clear filter
       _browseFilter = '';
       if (_browseFilterEl) _browseFilterEl.value = '';
       applyBrowseFilter();
@@ -138,12 +164,20 @@ function onBrowseFilterKey(e) {
     }
   } else if (e.key === 'ArrowDown') {
     e.preventDefault();
-    const first = _results.querySelector('.cp-item');
-    if (first) { first.classList.add('cp-selected'); _sel = 0; first.focus ? first.focus() : _overlay.focus(); }
+    _sel = 0;
+    updSel(_results.querySelectorAll('.cp-item'));
+    // Focus overlay so subsequent arrows navigate items
+    _overlay.focus();
+  } else if (e.key === 'ArrowUp') {
+    e.preventDefault();
+    const items = _results.querySelectorAll('.cp-item');
+    _sel = Math.max(items.length - 1, 0);
+    updSel(items);
+    _overlay.focus();
   } else if (e.key === 'Enter') {
     e.preventDefault();
     if (_items.length > 0) exec(_sel);
-  } else if (e.key === 'Backspace' && !_browseFilter && !_browseFilterEl?.value) {
+  } else if (e.key === 'Backspace' && !_browseFilter && (!_browseFilterEl || !_browseFilterEl.value)) {
     e.preventDefault();
     const segs = _browse.path ? _browse.path.split('/') : [];
     if (segs.length > 0) { _browse.path = segs.slice(0, -1).join('/'); renderBrowse(); }
@@ -224,6 +258,15 @@ async function execDelDir(path) {
   } catch(e) { showToast('Erreur : '+(e.message||e),'error'); }
 }
 
+async function execDelFile(path) {
+  if (!confirm(`Supprimer le fichier "${path}" ?`)) return;
+  try {
+    const d = await api(`/api/file/${encodeURIComponent(_browse.vault)}?path=${encodeURIComponent(path)}`, { method:'DELETE' });
+    if (d?.status==='ok' || d?.success) { showToast(`🗑️ ${path} supprimé`,'success'); close(); refreshSidebar(); }
+    else showToast('Erreur','error');
+  } catch(e) { showToast('Erreur : '+(e.message||e),'error'); }
+}
+
 async function delCurFile() {
   const f = getCurrentFile();
   if (!f) { showToast('Aucun fichier ouvert','error'); return; }
@@ -237,7 +280,6 @@ async function delCurFile() {
 }
 
 function refreshSidebar() {
-  // Try to refresh the vault tree
   import('./sidebar.js').then(m => { if (m.loadVaults) m.loadVaults(); }).catch(() => {});
 }
 
@@ -246,24 +288,22 @@ function createDOM() {
   if (_overlay) return;
   _overlay = document.createElement('div');
   _overlay.className = 'command-palette-overlay';
-  _overlay.tabIndex = -1;  // needed to receive keyboard events when input is hidden (browse mode)
+  _overlay.tabIndex = -1;
   _overlay.innerHTML = `<div class="command-palette">
     <div class="cp-header"><input type="text" class="cp-input" placeholder="Rechercher un fichier... (tapez > pour les commandes)" spellcheck="false" autocomplete="off"><div class="cp-breadcrumb" id="cp-breadcrumb"></div><span class="cp-hint">Ctrl+Shift+Espace</span></div>
     <input type="text" class="cp-browse-filter" id="cp-browse-filter" placeholder="Filtrer dossiers/fichiers..." spellcheck="false" autocomplete="off" style="display:none">
     <div class="cp-results"></div>
-    <div class="cp-footer"><span id="cp-footer-hint">↑↓ naviguer</span><span>↵ ouvrir/entrer</span><span>⌫ monter</span><span>Esc fermer</span></div></div>`;
+    <div class="cp-footer"><span>↑↓ naviguer</span><span>↵ ouvrir/entrer</span><span>⌫ monter</span><span>Esc fermer</span></div></div>`;
   _input = _overlay.querySelector('.cp-input');
   _browseFilterEl = _overlay.querySelector('#cp-browse-filter');
   _results = _overlay.querySelector('.cp-results');
   _overlay.addEventListener('click', (e) => { if (e.target === _overlay) close(); });
   _input.addEventListener('keydown', onKeyDown);
   _input.addEventListener('input', onInput);
-  // Browse filter events
   if (_browseFilterEl) {
     _browseFilterEl.addEventListener('input', onBrowseFilterInput);
     _browseFilterEl.addEventListener('keydown', onBrowseFilterKey);
   }
-  // Also listen on overlay for browse modes (input is hidden)
   _overlay.addEventListener('keydown', onOverlayKeyDown);
   document.body.appendChild(_overlay);
 }
@@ -298,16 +338,17 @@ function switchMode(m) {
   _mode = m;
   if (m === 'browse' || m === 'browse-vault') {
     _input.style.display = 'none'; _input.disabled = true;
-    _overlay.focus();  // overlay receives keyboard events when input is hidden
-    if (m === 'browse') {
-      // Show browse filter for directory navigation
-      if (_browseFilterEl) { _browseFilterEl.style.display = ''; _browseFilterEl.value = _browseFilter; _browseFilterEl.focus(); }
-    } else {
-      if (_browseFilterEl) _browseFilterEl.style.display = 'none';
+    _overlay.focus();
+    if (m === 'browse' && _browseFilterEl) {
+      _browseFilterEl.style.display = '';
+      _browseFilterEl.value = _browseFilter;
+      _browseFilterEl.focus();
+    } else if (_browseFilterEl) {
+      _browseFilterEl.style.display = 'none';
     }
   } else {
     _input.style.display = ''; _input.disabled = false;
-    _input.focus();  // restore focus to search input
+    _input.focus();
     if (_browseFilterEl) _browseFilterEl.style.display = 'none';
     const bc = document.getElementById('cp-breadcrumb'); if (bc) bc.style.display = 'none';
   }
@@ -323,11 +364,19 @@ function onInput() {
 }
 
 async function searchFiles(q) {
-  if (!q) { _items = []; _results.innerHTML = '<div class="cp-empty">Commencez à taper</div>'; return; }
+  if (!q) {
+    // Empty search: show "Browse directories" option
+    _items = [{ type:'_browse', label:'📂 Parcourir les répertoires...', sublabel:'Naviguer dans les vaults pour trouver un fichier', act:()=>startBrowse('open-file') }];
+    render();
+    return;
+  }
   try {
     const d = await api(`/api/suggest?q=${encodeURIComponent(q)}&vault=all`);
     const sug = d.suggestions || [];
     _items = sug.map(s => ({ type:'file', vault:s.vault, path:s.path, label:s.title||s.path.split('/').pop(), sublabel:`${s.vault}/${s.path}` }));
+    if (_items.length === 0) {
+      _items = [{ type:'_browse', label:'📂 Parcourir les répertoires...', sublabel:'Aucun résultat — naviguer manuellement', act:()=>startBrowse('open-file') }];
+    }
     render();
   } catch { _results.innerHTML = '<div class="cp-empty cp-error">Erreur</div>'; }
 }
@@ -379,7 +428,6 @@ function scroll() { const s = _results.querySelector('.cp-selected'); if (s) s.s
 // ── Overlay keydown handler (for browse modes where input is hidden) ──
 function onOverlayKeyDown(e) {
   if (_mode !== 'browse' && _mode !== 'browse-vault') return;
-  // Don't handle if name input or browse filter is active (they have their own handlers)
   if (document.getElementById('cp-name-input')) return;
   if (document.activeElement === _browseFilterEl) return;
   onKeyDown(e);
@@ -388,17 +436,17 @@ function onOverlayKeyDown(e) {
 function exec(idx) {
   const it = _items[idx]; if (!it) return;
   if (it.type === 'file') { close(); openFile(it.vault, it.path); }
-  else if (it.type === 'cmd') { it.act(); }
+  else if (it.type === 'cmd' || it.type === '_browse') { it.act(); }
   else if (it.type === '_vault') { _browse.vault = it.vault; switchMode('browse'); renderBrowse(); }
-  else if (it.type === '_nav') { _browse.path = it.go; renderBrowse(); }
-  else if (it.type === '_action') { it.act(); }
+  else if (it.type === '_nav') { _browse.path = it.go; _browseFilter=''; if(_browseFilterEl)_browseFilterEl.value=''; renderBrowse(); }
+  else if (it.type === '_action' || it.type === '_file') { it.act(); }
 }
 
-function esc(s) { if (!s) return ''; return String(s).replace(/&/g,'&amp;').replace(/</g,'&lt;').replace(/>/g,'&gt;').replace(/"/g,'&quot;'); }
+function esc(s) { if (!s) return ''; return String(s).replace(/&/g,'&amp;').replace(/</g,'&lt;').replace(/>/g,'&gt;').replace(/\"/g,'&quot;'); }
 
 export function initCommandPalette() {
   document.addEventListener('keydown', (e) => {
     if ((e.ctrlKey||e.metaKey) && e.shiftKey && !e.altKey && (e.key===' '||e.code==='Space')) { e.preventDefault(); if (isOpen()) close(); else open(''); }
     if ((e.ctrlKey||e.metaKey) && e.altKey && !e.shiftKey && (e.key===' '||e.code==='Space')) { e.preventDefault(); if (isOpen()) close(); else open('> '); }
   });
-}
\ No newline at end of file
+}