diff --git a/web/workspace/src/app.css b/web/workspace/src/app.css
index 8b5a1e6a..526dc9c7 100644
--- a/web/workspace/src/app.css
+++ b/web/workspace/src/app.css
@@ -133,6 +133,15 @@
 		min-width: 0;
 	}
 	.app-shell {
+		display: grid;
+		min-width: 0;
+		min-height: 0;
+		overflow: hidden;
+	}
+	.app-shell.global-sidebar-layout {
+		grid-template-columns: minmax(180px, 240px) minmax(0, 1fr);
+	}
+	.app-content {
 		min-width: 0;
 		min-height: 0;
 		overflow: auto;
@@ -214,14 +223,31 @@
 		gap: var(--space-4);
 	}
 	@media (max-width: 760px) {
-		.workspace-layout {
-			grid-template-columns: 1fr;
-			grid-template-rows: auto auto 1fr;
-			width: 100vw;
+		.app-layout {
 			height: auto;
 			min-height: 100dvh;
 			overflow: visible;
 		}
+		.app-shell,
+		.app-shell.global-sidebar-layout {
+			grid-template-columns: 1fr;
+			overflow: visible;
+		}
+		.app-content {
+			overflow: visible;
+		}
+		.global-sidebar {
+			border-right: 0;
+			border-bottom: 1px solid var(--line);
+		}
+		.workspace-layout {
+			grid-template-columns: 1fr;
+			grid-template-rows: auto 1fr;
+			width: 100%;
+			height: auto;
+			min-height: 0;
+			overflow: visible;
+		}
 		.workspace-layout.sidebar-collapsed {
 			grid-template-columns: 1fr;
 		}
@@ -232,19 +258,28 @@
 			border-bottom: 1px solid var(--line);
 		}
 		.workspace-topbar {
-			grid-column: 1;
-			grid-row: 2;
 			padding: 0 var(--space-4);
 		}
 		.shell {
 			grid-column: 1;
-			grid-row: 3;
+			grid-row: 2;
 			overflow: visible;
 			padding: var(--space-5) var(--space-4);
 		}
 	}
 }
 @layer components {
+	.global-sidebar {
+		min-width: 0;
+		min-height: 0;
+		overflow-y: auto;
+		padding: var(--space-4) var(--space-3);
+		border-right: 1px solid var(--line);
+	}
+	.global-sidebar-section {
+		display: grid;
+		gap: var(--space-2);
+	}
 	.workspace-sidebar {
 		grid-column: 1;
 		grid-row: 1;
diff --git a/web/workspace/src/lib/workspace/console/worker-console.ui.test.ts b/web/workspace/src/lib/workspace/console/worker-console.ui.test.ts
index c2ab4826..c8949c28 100644
--- a/web/workspace/src/lib/workspace/console/worker-console.ui.test.ts
+++ b/web/workspace/src/lib/workspace/console/worker-console.ui.test.ts
@@ -390,6 +390,9 @@ Deno.test("Account UI owns browser passkey session state without workspace autho
   const rootLayoutLoad = await Deno.readTextFile(
     new URL("./../../../routes/+layout.ts", import.meta.url),
   );
+  const globalSidebar = await Deno.readTextFile(
+    new URL("../sidebar/GlobalSidebar.svelte", import.meta.url),
+  );
   const workspaceLayout = await Deno.readTextFile(
     new URL("./../../../routes/w/[workspaceId]/+layout.svelte", import.meta.url),
   );
@@ -424,7 +427,9 @@ Deno.test("Account UI owns browser passkey session state without workspace autho
     "Auth model should stay on Backend auth APIs rather than workspace authorization APIs",
   );
   assert(
-    rootLayout.includes("workspace-topbar") &&
+    rootLayout.includes("GlobalSidebar") &&
+      rootLayout.includes("global-sidebar-layout") &&
+      rootLayout.includes("workspace-topbar") &&
       rootLayout.includes("topbar-icon-button") &&
       rootLayout.includes('href="/account"') &&
       rootLayout.includes("Open Account") &&
@@ -433,6 +438,14 @@ Deno.test("Account UI owns browser passkey session state without workspace autho
       !sidebar.includes("Open Account"),
     "Account navigation should live in the global layout header, not the workspace sidebar",
   );
+  assert(
+    globalSidebar.includes("Global") &&
+      globalSidebar.includes("/account") &&
+      globalSidebar.includes("/login/device") &&
+      !globalSidebar.includes("Tickets") &&
+      !globalSidebar.includes("Repositories"),
+    "Root default sidebar should contain only global navigation, not workspace-scoped sections",
+  );
   assert(
     workspaceLayout.includes("WorkspaceSidebar") &&
       workspaceLayout.includes("workspace={data.workspace}") &&
diff --git a/web/workspace/src/lib/workspace/sidebar/GlobalSidebar.svelte b/web/workspace/src/lib/workspace/sidebar/GlobalSidebar.svelte
new file mode 100644
index 00000000..bc6e6558
--- /dev/null
+++ b/web/workspace/src/lib/workspace/sidebar/GlobalSidebar.svelte
@@ -0,0 +1,30 @@
+<script lang="ts">
+  type Props = {
+    currentPath: string;
+  };
+
+  const { currentPath }: Props = $props();
+
+  const items = [
+    { href: '/account', label: 'Account' },
+    { href: '/login/device', label: 'Device Login' },
+  ];
+</script>
+
+<aside class="global-sidebar" aria-label="Global navigation">
+  <div class="global-sidebar-section">
+    <p class="sidebar-section-label">Global</p>
+    <nav class="sidebar-list" aria-label="Global pages">
+      {#each items as item}
+        <a
+          class="sidebar-link"
+          class:active={currentPath === item.href}
+          href={item.href}
+          aria-current={currentPath === item.href ? 'page' : undefined}
+        >
+          <span>{item.label}</span>
+        </a>
+      {/each}
+    </nav>
+  </div>
+</aside>
diff --git a/web/workspace/src/routes/+layout.svelte b/web/workspace/src/routes/+layout.svelte
index fc368d29..4de53e22 100644
--- a/web/workspace/src/routes/+layout.svelte
+++ b/web/workspace/src/routes/+layout.svelte
@@ -1,9 +1,11 @@
 <script lang="ts">
+  import { page } from '$app/state';
   import WorkspaceAlerts from '$lib/workspace/alerts/WorkspaceAlerts.svelte';
+  import GlobalSidebar from '$lib/workspace/sidebar/GlobalSidebar.svelte';
   import '../app.css';
   import type { LayoutProps } from './$types';
 
-  let { children }: LayoutProps = $props();
+  let { data, children }: LayoutProps = $props();
 </script>
 
 <WorkspaceAlerts />
@@ -19,7 +21,12 @@
       </a>
     </nav>
   </header>
-  <div class="app-shell">
-    {@render children()}
+  <div class:global-sidebar-layout={!data.workspaceScoped} class="app-shell">
+    {#if !data.workspaceScoped}
+      <GlobalSidebar currentPath={page.url.pathname} />
+    {/if}
+    <div class="app-content">
+      {@render children()}
+    </div>
   </div>
 </div>
diff --git a/web/workspace/src/routes/+layout.ts b/web/workspace/src/routes/+layout.ts
index e965cb42..4afd442b 100644
--- a/web/workspace/src/routes/+layout.ts
+++ b/web/workspace/src/routes/+layout.ts
@@ -8,12 +8,12 @@ export const prerender = false;
 
 export const load: LayoutLoad = async ({ fetch, params, url }) => {
   if (params.workspaceId) {
-    return {};
+    return { workspaceScoped: true };
   }
 
   const publicRoutes = new Set(["/account", "/login/device"]);
   if (publicRoutes.has(url.pathname)) {
-    return {};
+    return { workspaceScoped: false };
   }
 
   const workspace = await loadJson<WorkspaceResponse>(fetch, "/api/workspace");
@@ -21,5 +21,5 @@ export const load: LayoutLoad = async ({ fetch, params, url }) => {
     const scopedPath = workspaceRoute(workspace.data.workspace_id);
     throw redirect(307, `${scopedPath}${url.search}`);
   }
-  return {};
+  return { workspaceScoped: false };
 };