diff --git a/ROADMAP.md b/ROADMAP.md
index 5abb1f6..f5ef822 100644
--- a/ROADMAP.md
+++ b/ROADMAP.md
@@ -79,9 +79,9 @@
 - Export dans la vue publique `/s/{token}/pdf` ✅
 - GTK/Pango installé dans le Dockerfile ✅
 
-### 3. Palette de commandes (Ctrl+P)
-- **Effort** : 1 jour | **Impact** : 🟡
-- Navigation rapide style VS Code dans l'interface
+### ✅ 3. Palette de commandes (Ctrl+P) — FAIT
+- Navigation rapide fichiers + commandes (> prefix) ✅
+- Module `frontend/js/palette.js` + intégré dans app.js ✅
 
 ### 4. Drag & drop de fichiers
 - **Effort** : 1-2 jours | **Impact** : 🟡
diff --git a/frontend/js/app.js b/frontend/js/app.js
index 18bf117..0f45232 100644
--- a/frontend/js/app.js
+++ b/frontend/js/app.js
@@ -13,6 +13,7 @@ import * as Viewer from './viewer.js';
 import * as Sync from './sync.js';
 import { initGraphView } from './graph.js';
 import * as Legacy from './legacy.js';
+import { initCommandPalette } from './palette.js';
 
 // =========================================================================
 // Initialization — mirrors the original app.js init() ordering
@@ -44,6 +45,7 @@ async function init() {
   UI.FindInPageManager.init();
   UI.ContextMenuManager.init();
   UI.TabManager.init();
+  initCommandPalette();
 
   const authOk = await Auth.AuthManager.initAuth();
 
diff --git a/frontend/js/palette.js b/frontend/js/palette.js
new file mode 100644
index 0000000..8fd72e5
--- /dev/null
+++ b/frontend/js/palette.js
@@ -0,0 +1,287 @@
+/* ObsiGate — Command Palette (Ctrl+P)
+   Quick file opener and command runner.
+   Inspired by VS Code's Ctrl+P / Ctrl+Shift+P.
+*/
+import { api } from './auth.js';
+import { openFile } from './viewer.js';
+import { showToast, toggleTheme } from './ui.js';
+import { state } from './state.js';
+
+// ── Helper: trigger goHome by clicking the logo ──
+function triggerGoHome() {
+  const logo = document.getElementById('header-logo');
+  if (logo) logo.click();
+}
+
+// ── DOM cache (created in open) ──
+let _overlay = null;
+let _input = null;
+let _results = null;
+let _mode = 'files'; // 'files' | 'commands'
+let _selectedIndex = 0;
+let _searchTimeout = null;
+let _lastResults = [];
+
+// ── Available commands ──
+const COMMANDS = [
+  { id: 'home', label: '🏠 Accueil', description: 'Retour à l\'accueil', action: () => { close(); triggerGoHome(); } },
+  { id: 'theme', label: '🌓 Changer le thème', description: 'Basculer clair/sombre', action: () => { close(); toggleTheme(); } },
+  { id: 'reindex', label: '🔄 Réindexer', description: 'Forcer la réindexation complète', action: async () => { close(); try { await api('/api/index/reload'); showToast('Index rechargé', 'success'); } catch { showToast('Erreur de réindexation', 'error'); } } },
+  { id: 'help', label: '❓ Aide', description: 'Ouvrir l\'aide', action: () => { close(); const helpBtn = document.getElementById('header-help-btn'); if (helpBtn) helpBtn.click(); } },
+  { id: 'config', label: '⚙️ Configuration', description: 'Ouvrir les paramètres', action: () => { close(); document.querySelector('[data-tab-config]')?.click(); } },
+];
+
+// ── Create DOM structure ──
+function createDOM() {
+  if (_overlay) return;
+
+  _overlay = document.createElement('div');
+  _overlay.className = 'command-palette-overlay';
+  _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">
+        <span class="cp-hint">${navigator.platform.includes('Mac') ? '⌘P' : 'Ctrl+P'}</span>
+      </div>
+      <div class="cp-results"></div>
+      <div class="cp-footer">
+        <span>↑↓ naviguer</span>
+        <span>↵ ouvrir</span>
+        <span>Esc fermer</span>
+      </div>
+    </div>
+  `;
+
+  _input = _overlay.querySelector('.cp-input');
+  _results = _overlay.querySelector('.cp-results');
+
+  // Click outside to close (on overlay, not the palette dialog)
+  _overlay.addEventListener('click', (e) => {
+    if (e.target === _overlay) close();
+  });
+
+  // Keyboard events
+  _input.addEventListener('keydown', onKeyDown);
+  _input.addEventListener('input', onInput);
+
+  document.body.appendChild(_overlay);
+}
+
+// ── Open / Close ──
+export function open(initialQuery = '') {
+  createDOM();
+  _overlay.classList.add('active');
+  _input.value = initialQuery;
+  _mode = initialQuery.startsWith('>') ? 'commands' : 'files';
+  _selectedIndex = 0;
+  _lastResults = [];
+  _results.innerHTML = '';
+  _input.focus();
+  // Trigger initial search
+  onInput();
+}
+
+export function close() {
+  if (!_overlay) return;
+  _overlay.classList.remove('active');
+  if (_searchTimeout) clearTimeout(_searchTimeout);
+  _searchTimeout = null;
+  // Restore focus
+  const searchInput = document.querySelector('.search-input');
+  if (searchInput) searchInput.focus();
+}
+
+function isOpen() {
+  return _overlay && _overlay.classList.contains('active');
+}
+
+// ── Input handler ──
+function onInput() {
+  const val = _input.value;
+
+  // Detect mode change
+  const newMode = val.startsWith('>') ? 'commands' : 'files';
+  if (newMode !== _mode) {
+    _mode = newMode;
+    _input.placeholder = _mode === 'commands'
+      ? 'Tapez une commande...'
+      : 'Rechercher un fichier... (tapez > pour les commandes)';
+  }
+
+  if (_searchTimeout) clearTimeout(_searchTimeout);
+  _searchTimeout = setTimeout(() => {
+    _searchTimeout = null;
+    if (_mode === 'commands') {
+      searchCommands(val.slice(1).trim());
+    } else {
+      searchFiles(val.trim());
+    }
+  }, 150);
+}
+
+// ── Search files (via /api/suggest) ──
+async function searchFiles(query) {
+  if (!query) {
+    _results.innerHTML = '<div class="cp-empty">Commencez à taper pour chercher un fichier</div>';
+    _lastResults = [];
+    return;
+  }
+
+  try {
+    const data = await api(`/api/suggest?q=${encodeURIComponent(query)}&vault=all`);
+    const suggestions = data.suggestions || [];
+    _lastResults = suggestions.map(s => ({
+      type: 'file',
+      vault: s.vault,
+      path: s.path,
+      title: s.title,
+      label: s.title || s.path.split('/').pop(),
+      sublabel: `${s.vault}/${s.path}`,
+    }));
+    renderResults();
+  } catch {
+    _results.innerHTML = '<div class="cp-empty cp-error">Erreur de recherche</div>';
+  }
+}
+
+// ── Search commands ──
+function searchCommands(query) {
+  if (!query) {
+    _lastResults = COMMANDS.map(c => ({ type: 'command', ...c }));
+    renderResults();
+    return;
+  }
+
+  const lower = query.toLowerCase();
+  _lastResults = COMMANDS
+    .filter(c => c.label.toLowerCase().includes(lower) || c.description.toLowerCase().includes(lower))
+    .map(c => ({ type: 'command', ...c }));
+  renderResults();
+}
+
+// ── Render results list ──
+function renderResults() {
+  _selectedIndex = 0;
+
+  if (_lastResults.length === 0) {
+    _results.innerHTML = '<div class="cp-empty">Aucun résultat</div>';
+    return;
+  }
+
+  _results.innerHTML = _lastResults.map((item, i) => `
+    <div class="cp-item ${i === 0 ? 'cp-selected' : ''}" data-index="${i}">
+      <div class="cp-item-label">${escapeHtml(item.label)}</div>
+      <div class="cp-item-sublabel">${escapeHtml(item.sublabel || item.description || '')}</div>
+    </div>
+  `).join('');
+
+  // Click handler
+  _results.querySelectorAll('.cp-item').forEach(el => {
+    el.addEventListener('click', () => {
+      const idx = parseInt(el.dataset.index);
+      executeItem(idx);
+    });
+    el.addEventListener('mouseenter', () => {
+      document.querySelectorAll('.cp-item').forEach(e => e.classList.remove('cp-selected'));
+      el.classList.add('cp-selected');
+      _selectedIndex = parseInt(el.dataset.index);
+    });
+  });
+
+  scrollToSelected();
+}
+
+// ── Keyboard navigation ──
+function onKeyDown(e) {
+  const items = _results.querySelectorAll('.cp-item');
+
+  if (e.key === 'Escape') {
+    e.preventDefault();
+    close();
+  } else if (e.key === 'Enter') {
+    e.preventDefault();
+    executeItem(_selectedIndex);
+  } else if (e.key === 'ArrowDown') {
+    e.preventDefault();
+    _selectedIndex = Math.min(_selectedIndex + 1, _lastResults.length - 1);
+    updateSelection(items);
+  } else if (e.key === 'ArrowUp') {
+    e.preventDefault();
+    _selectedIndex = Math.max(_selectedIndex - 1, 0);
+    updateSelection(items);
+  } else if (e.key === 'Tab') {
+    e.preventDefault();
+    // Switch between files/commands mode
+    if (_mode === 'files') {
+      _input.value = '> ';
+      // Move cursor to end
+      setTimeout(() => {
+        _input.selectionStart = _input.selectionEnd = _input.value.length;
+      }, 0);
+    } else {
+      _input.value = '';
+    }
+    onInput();
+  }
+}
+
+function updateSelection(items) {
+  items.forEach((el, i) => {
+    el.classList.toggle('cp-selected', i === _selectedIndex);
+  });
+  scrollToSelected();
+}
+
+function scrollToSelected() {
+  const selected = _results.querySelector('.cp-selected');
+  if (selected) {
+    selected.scrollIntoView({ block: 'nearest' });
+  }
+}
+
+// ── Execute ──
+function executeItem(index) {
+  const item = _lastResults[index];
+  if (!item) return;
+
+  if (item.type === 'file') {
+    close();
+    openFile(item.vault, item.path);
+  } else if (item.type === 'command') {
+    item.action();
+  }
+}
+
+// ── HTML escaping ──
+function escapeHtml(str) {
+  if (!str) return '';
+  return String(str)
+    .replace(/&/g, '&amp;')
+    .replace(/</g, '&lt;')
+    .replace(/>/g, '&gt;')
+    .replace(/"/g, '&quot;');
+}
+
+// ── Init: Register global keyboard shortcut ──
+export function initCommandPalette() {
+  document.addEventListener('keydown', (e) => {
+    // Ctrl+P or Cmd+P — open palette
+    if ((e.ctrlKey || e.metaKey) && e.key === 'p') {
+      e.preventDefault();
+      if (isOpen()) {
+        close();
+      } else {
+        open('');
+      }
+    }
+    // Ctrl+Shift+P or Cmd+Shift+P — open in command mode
+    if ((e.ctrlKey || e.metaKey) && e.shiftKey && e.key === 'p') {
+      e.preventDefault();
+      if (isOpen()) {
+        close();
+      } else {
+        open('> ');
+      }
+    }
+  });
+}
\ No newline at end of file
diff --git a/frontend/style.css b/frontend/style.css
index 5aa937d..8bf5e2e 100644
--- a/frontend/style.css
+++ b/frontend/style.css
@@ -6132,3 +6132,160 @@ body.popup-mode .content-area {
 .dashboard-panel.active {
   display: block;
 }
+
+/* ═══════════════════════════════════════════════════════════════════
+   Command Palette (Ctrl+P)
+   ═══════════════════════════════════════════════════════════════════ */
+
+.command-palette-overlay {
+  position: fixed;
+  top: 0; left: 0; right: 0; bottom: 0;
+  background: 0 0;
+  z-index: 10000;
+  display: flex;
+  justify-content: center;
+  padding-top: 12vh;
+  pointer-events: none;
+  opacity: 0;
+  transition: opacity 0.1s ease, background 0.1s ease;
+}
+
+.command-palette-overlay.active {
+  opacity: 1;
+  background: var(--overlay-bg);
+  pointer-events: auto;
+}
+
+.command-palette {
+  background: var(--bg-secondary);
+  border: 1px solid var(--border);
+  border-radius: 10px;
+  box-shadow: 0 8px 40px rgba(0,0,0,0.45), 0 0 0 1px rgba(255,255,255,0.03);
+  width: 580px;
+  max-width: calc(100vw - 40px);
+  max-height: 60vh;
+  display: flex;
+  flex-direction: column;
+  overflow: hidden;
+  animation: cp-slide-in 0.12s ease-out;
+}
+
+@keyframes cp-slide-in {
+  from { transform: translateY(-12px); opacity: 0; }
+  to { transform: translateY(0); opacity: 1; }
+}
+
+.cp-header {
+  display: flex;
+  align-items: center;
+  border-bottom: 1px solid var(--border);
+  padding: 0 14px;
+}
+
+.cp-input {
+  flex: 1;
+  border: none;
+  background: none;
+  padding: 14px 0;
+  font-size: 16px;
+  color: var(--text-primary);
+  outline: none;
+  font-family: inherit;
+}
+
+.cp-input::placeholder {
+  color: var(--text-muted);
+}
+
+.cp-hint {
+  font-size: 11px;
+  color: var(--text-muted);
+  background: var(--bg-hover);
+  padding: 3px 8px;
+  border-radius: 4px;
+  font-family: "JetBrains Mono", monospace;
+  opacity: 0.7;
+}
+
+.cp-results {
+  flex: 1;
+  overflow-y: auto;
+  padding: 6px 0;
+  max-height: 40vh;
+}
+
+.cp-empty {
+  padding: 24px 16px;
+  text-align: center;
+  color: var(--text-muted);
+  font-size: 13px;
+}
+
+.cp-error {
+  color: var(--accent-orange, #d29922);
+}
+
+.cp-item {
+  display: flex;
+  justify-content: space-between;
+  align-items: center;
+  padding: 8px 14px;
+  cursor: pointer;
+  border-left: 3px solid transparent;
+  /* Uncomment for smooth scroll perf */;
+}
+
+.cp-item:hover {
+  background: var(--bg-hover);
+  border-left-color: var(--accent);
+}
+
+.cp-item.cp-selected {
+  background: var(--accent-bg);
+  border-left-color: var(--accent);
+}
+
+.cp-item-label {
+  font-size: 14px;
+  color: var(--text-primary);
+  white-space: nowrap;
+  overflow: hidden;
+  text-overflow: ellipsis;
+}
+
+.cp-item-sublabel {
+  font-size: 11px;
+  color: var(--text-muted);
+  white-space: nowrap;
+  overflow: hidden;
+  text-overflow: ellipsis;
+  max-width: 45%;
+  text-align: right;
+  margin-left: 12px;
+}
+
+.cp-footer {
+  display: flex;
+  gap: 14px;
+  padding: 8px 14px;
+  border-top: 1px solid var(--border);
+  font-size: 11px;
+  color: var(--text-muted);
+}
+
+.cp-footer span {
+  display: flex;
+  align-items: center;
+  gap: 4px;
+}
+
+.cp-footer span::before {
+  content: '';
+  display: inline-block;
+  width: 3px; height: 3px;
+  background: var(--text-muted);
+  border-radius: 50%;
+  margin-right: 4px;
+}
+
+.cp-footer span:first-child::before { display: none; }