diff --git a/web/src/main.ts b/web/src/main.ts
index 6169a9a..3184763 100644
--- a/web/src/main.ts
+++ b/web/src/main.ts
@@ -88,7 +88,7 @@ sidebar.el.addEventListener("click", (e) => {
 });
 
 shellEl.append(sidebar.el, content, backdrop);
-root.replaceChildren(renderTopbar(store), shellEl);
+root.replaceChildren(renderTopbar(store, toggleDrawer), shellEl);
 
 // The pool owns attach connections independently of the route: navigating away
 // parks a session (keeps it streaming); navigating back re-mounts it instantly.
@@ -188,7 +188,6 @@ mv = createMultiView({
   onDisconnect: closePane,
   renderWelcome,
   onLayoutChange: scheduleSave,
-  onToggleSidebar: toggleDrawer,
 });
 let contentShowsMv = false;
 function showMultiView(): void {
diff --git a/web/src/multiview.ts b/web/src/multiview.ts
index ff9cdeb..4bc014d 100644
--- a/web/src/multiview.ts
+++ b/web/src/multiview.ts
@@ -36,8 +36,6 @@ export interface MultiViewOptions {
   /** Called after any layout change (structure, focus, or divider resize) so the
    *  shell can persist it (issue #34). */
   onLayoutChange?: () => void;
-  /** Toggle the mobile sidebar drawer (the ☰ button in the tab bar, issue #35). */
-  onToggleSidebar?: () => void;
 }
 
 export interface MultiView {
@@ -251,14 +249,6 @@ export function createMultiView(opts: MultiViewOptions): MultiView {
 
   function renderTabs(): void {
     tabBar.replaceChildren();
-    // Mobile-only ☰ to open the sidebar drawer (CSS hides it on desktop).
-    const menu = document.createElement("button");
-    menu.type = "button";
-    menu.className = "mv-mobile-menu";
-    menu.title = "Sessions";
-    menu.textContent = "☰";
-    menu.addEventListener("click", () => opts.onToggleSidebar?.());
-    tabBar.appendChild(menu);
     for (const t of layout.tabs) {
       const tab = document.createElement("button");
       tab.type = "button";
@@ -338,18 +328,6 @@ export function createMultiView(opts: MultiViewOptions): MultiView {
     render();
   }
 
-  // The floating ☰ that stands in for the collapsed tab bar on mobile (single
-  // tab), keeping the sidebar drawer reachable from the welcome + pane views.
-  function makeMobileFab(): HTMLButtonElement {
-    const fab = document.createElement("button");
-    fab.type = "button";
-    fab.className = "mv-mobile-fab";
-    fab.title = "Sessions";
-    fab.textContent = "☰";
-    fab.addEventListener("click", () => opts.onToggleSidebar?.());
-    return fab;
-  }
-
   // ---- top-level render ----
 
   function render(): void {
@@ -363,7 +341,6 @@ export function createMultiView(opts: MultiViewOptions): MultiView {
     if (!tab.root) {
       pool.setVisible([]);
       pool.setFocus(null);
-      if (isMobile && layout.tabs.length === 1) canvas.appendChild(makeMobileFab());
       canvas.appendChild(renderWelcome());
       sidebar.setHighlights({ open: openSessions(layout), focused: null, colors: colorMap() });
       persist();
@@ -396,10 +373,6 @@ export function createMultiView(opts: MultiViewOptions): MultiView {
     const wrap = document.createElement("div");
     wrap.className = "mv-mobile";
 
-    // With a single tab the tab bar (and its ☰) is hidden — float a ☰ so the
-    // sidebar drawer stays reachable.
-    if (layout.tabs.length === 1) wrap.appendChild(makeMobileFab());
-
     if (ls.length > 1) {
       const bar = document.createElement("div");
       bar.className = "mv-panebar";
diff --git a/web/src/styles.css b/web/src/styles.css
index 23fb99d..45e97f5 100644
--- a/web/src/styles.css
+++ b/web/src/styles.css
@@ -378,6 +378,25 @@ textarea {
   backdrop-filter: blur(8px);
 }
 
+/* Hamburger to the left of the brand — toggles the off-canvas session drawer.
+   Mobile only (desktop keeps the sidebar permanently in view). */
+.app-menu {
+  display: none;
+  place-items: center;
+  flex: none;
+  width: 32px;
+  height: 32px;
+  border: none;
+  border-radius: var(--r-1);
+  background: transparent;
+  color: var(--ink);
+  font-size: var(--fs-17);
+  cursor: pointer;
+}
+.app-menu:hover {
+  background: var(--surface-2);
+}
+
 /* Three-part header: brand (left), status (centered), actions (right). Equal
    flex on the outer two keeps the status group truly centered. */
 .app-header .brand {
@@ -765,15 +784,6 @@ textarea {
   color: var(--faint);
 }
 
-.folder-count {
-  font-size: var(--fs-11);
-  color: var(--muted);
-  padding: 1px 8px;
-  border-radius: var(--r-pill);
-  background: var(--surface-2);
-  border: 1px solid var(--border);
-}
-
 .tree-leaf {
   display: flex;
   align-items: center;
@@ -2234,9 +2244,6 @@ textarea {
    multi-view mobile (#35): below 860px the split tree projects to a pill strip
    with one pane visible; the sidebar becomes an off-canvas drawer (☰).
    ========================================================================= */
-.mv-mobile-menu {
-  display: none; /* desktop: hidden — the sidebar is always present */
-}
 .mv-backdrop {
   display: none;
 }
@@ -2256,29 +2263,6 @@ textarea {
   border-radius: 0;
   box-shadow: none;
 }
-/* Floating ☰ that replaces the collapsed tab bar, tucked into the header bar. */
-.mv-mobile-fab {
-  position: absolute;
-  top: 0;
-  left: 0;
-  z-index: var(--z-sticky);
-  display: inline-grid;
-  place-items: center;
-  width: 34px;
-  height: var(--bar-h);
-  border: none;
-  background: transparent;
-  color: var(--ink);
-  font-size: var(--fs-15);
-  cursor: pointer;
-}
-/* Make room for the ☰: shift the title (single pane) or pad the pill strip. */
-.mv-mobile-fab + .mv-pane .attach-title {
-  margin-left: 30px;
-}
-.mv-mobile-fab + .mv-panebar {
-  padding-left: 38px;
-}
 .mv-panebar {
   display: flex;
   gap: 4px;
@@ -2319,24 +2303,8 @@ textarea {
 }
 
 @media (max-width: 859px) {
-  /* ☰ lives in the tab bar */
-  .mv-mobile-menu {
+  .app-menu {
     display: inline-grid;
-    place-items: center;
-    align-self: center;
-    width: 28px;
-    height: 28px;
-    margin-right: var(--sp-1);
-    border: none;
-    border-radius: var(--r-1);
-    background: transparent;
-    color: var(--ink);
-    font-size: var(--fs-15);
-    cursor: pointer;
-    flex: none;
-  }
-  .mv-mobile-menu:hover {
-    background: var(--surface-2);
   }
 
   /* sidebar → off-canvas drawer (override the route-based show/hide) */