diff --git a/apps/dashboard/components/DashboardLayout.tsx b/apps/dashboard/components/DashboardLayout.tsx
index 377db71..233edd0 100644
--- a/apps/dashboard/components/DashboardLayout.tsx
+++ b/apps/dashboard/components/DashboardLayout.tsx
@@ -35,9 +35,14 @@ export default function DashboardLayout({
   return (
     <div className="min-h-screen flex">
       {initialGuildId ? <GuildRouteSync guildId={initialGuildId} /> : null}
-      <Sidebar session={session} />
-      <div className="flex-1 ml-64">
-        <Header title={title} subtitle={subtitle} />
+      <Sidebar session={session} isOpen={sidebarOpen} onClose={closeSidebar} />
+      <div className="flex-1 md:ml-64">
+        <Header
+          title={title}
+          subtitle={subtitle}
+          onMenuClick={toggleSidebar}
+          menuOpen={sidebarOpen}
+        />
         <main className="p-8">{children}</main>
       </div>
     </div>
diff --git a/apps/dashboard/components/Header.tsx b/apps/dashboard/components/Header.tsx
index 5b9077c..4a28039 100644
--- a/apps/dashboard/components/Header.tsx
+++ b/apps/dashboard/components/Header.tsx
@@ -1,21 +1,55 @@
 export default function Header({
   title,
   subtitle,
+  onMenuClick,
+  menuOpen,
 }: {
   title: string;
   subtitle?: string;
+  /** Opens the mobile sidebar drawer. Omit to hide the toggle button. */
+  onMenuClick?: () => void;
+  /** Whether the mobile sidebar drawer is currently open. */
+  menuOpen?: boolean;
 }) {
   return (
-    <header className="bg-white dark:bg-slate-900 border-b border-slate-200 dark:border-slate-700 px-8 py-6 sticky top-0 z-10">
-      <h1 className="text-2xl font-bold text-slate-800 dark:text-white">
-        {title}
-      </h1>
+    <header className="bg-white dark:bg-slate-900 border-b border-slate-200 dark:border-slate-700 px-4 md:px-8 py-6 sticky top-0 z-10 flex items-center gap-4">
+      {onMenuClick && (
+        <button
+          type="button"
+          onClick={onMenuClick}
+          aria-label="Open menu"
+          aria-controls="dashboard-sidebar"
+          aria-expanded={menuOpen ?? false}
+          className="inline-flex items-center justify-center rounded-md p-2 text-slate-500 hover:bg-slate-100 hover:text-slate-800 focus:outline-none focus-visible:ring-2 focus-visible:ring-primary-500 dark:text-slate-400 dark:hover:bg-slate-800 dark:hover:text-white md:hidden"
+        >
+          <svg
+            className="h-5 w-5"
+            fill="none"
+            stroke="currentColor"
+            viewBox="0 0 24 24"
+            aria-hidden="true"
+          >
+            <path
+              strokeLinecap="round"
+              strokeLinejoin="round"
+              strokeWidth={2}
+              d="M4 6h16M4 12h16M4 18h16"
+            />
+          </svg>
+        </button>
+      )}
 
-      {subtitle ? (
-        <p className="text-sm text-slate-500 dark:text-slate-400 mt-1">
-          {subtitle}
-        </p>
-      ) : null}
+      <div>
+        <h1 className="text-2xl font-bold text-slate-800 dark:text-white">
+          {title}
+        </h1>
+
+        {subtitle ? (
+          <p className="text-sm text-slate-500 dark:text-slate-400 mt-1">
+            {subtitle}
+          </p>
+        ) : null}
+      </div>
     </header>
   );
 }
\ No newline at end of file
diff --git a/apps/dashboard/components/Sidebar.tsx b/apps/dashboard/components/Sidebar.tsx
index 7250a4c..a481b0b 100644
--- a/apps/dashboard/components/Sidebar.tsx
+++ b/apps/dashboard/components/Sidebar.tsx
@@ -1,19 +1,11 @@
 "use client";
 
+import { useEffect, useRef } from "react";
 import Link from "next/link";
 import { usePathname, useRouter } from "next/navigation";
 import type { Session } from "@/lib/auth/session";
 import { useOptionalGuild } from "@/lib/guild/GuildProvider";
-
-const navItems = [
-  { name: "Dashboard", href: "/dashboard", icon: "📊" },
-  { name: "Passes", href: "/passes", icon: "🎫" },
-  { name: "Guilds", href: "/guilds", icon: "🏰" },
-  { name: "Members", href: "/members", icon: "👥" },
-  { name: "Activity", href: "/activity", icon: "📋" },
-  { name: "Integrations", href: "/integrations", icon: "🔌" },
-  { name: "Settings", href: "/settings", icon: "⚙️" },
-];
+import { navItems, isNavItemActive } from "@/lib/nav-items";
 
 /**
  * Human-readable label + colour for each role,
@@ -61,11 +53,29 @@ export default function Sidebar({
   const pathname = usePathname();
   const router = useRouter();
   const guildCtx = useOptionalGuild();
+  const closeButtonRef = useRef<HTMLButtonElement>(null);
 
   const badge = session?.role
     ? ROLE_BADGE[session.role]
     : null;
 
+  // Mobile drawer: close on Escape and move focus to the close
+  // button so keyboard users land somewhere sensible.
+  useEffect(() => {
+    if (!isOpen || !onClose) return;
+
+    closeButtonRef.current?.focus();
+
+    const handleKeyDown = (event: KeyboardEvent) => {
+      if (event.key === "Escape") {
+        onClose();
+      }
+    };
+
+    document.addEventListener("keydown", handleKeyDown);
+    return () => document.removeEventListener("keydown", handleKeyDown);
+  }, [isOpen, onClose]);
+
   const handleGuildChange = (nextId: string) => {
     if (!guildCtx || nextId === guildCtx.guildId) {
       return;
@@ -90,8 +100,19 @@ export default function Sidebar({
   };
 
   return (
-    <div
-      className={`
+    <>
+      {/* Mobile backdrop — click or Escape to close */}
+      {isOpen && onClose && (
+        <div
+          className="fixed inset-0 z-40 bg-black/50 md:hidden"
+          aria-hidden="true"
+          onClick={onClose}
+        />
+      )}
+
+      <div
+        id="dashboard-sidebar"
+        className={`
         fixed
         left-0
         top-0
@@ -109,7 +130,7 @@ export default function Sidebar({
         ${isOpen ? "translate-x-0" : "-translate-x-full"}
         md:translate-x-0
       `}
-    >
+      >
       {/* Sidebar header */}
       <div className="flex items-center justify-between border-b border-slate-800 px-4 py-4 dark:border-slate-700">
         <div className="flex items-center gap-2 text-lg font-bold">
@@ -120,9 +141,10 @@ export default function Sidebar({
         {/* Close button — visible only on mobile */}
         {onClose && (
           <button
+            ref={closeButtonRef}
             type="button"
             onClick={onClose}
-            className="inline-flex items-center justify-center rounded-md p-1 text-slate-400 hover:bg-slate-700 hover:text-white focus:outline-none focus:ring-2 focus:ring-primary-500 md:hidden"
+            className="inline-flex items-center justify-center rounded-md p-1 text-slate-400 hover:bg-slate-700 hover:text-white focus:outline-none focus-visible:ring-2 focus-visible:ring-primary-500 focus-visible:ring-offset-2 focus-visible:ring-offset-slate-900 md:hidden"
             aria-label="Close sidebar"
           >
             <svg
@@ -159,7 +181,7 @@ export default function Sidebar({
             onChange={(e) =>
               handleGuildChange(e.target.value)
             }
-            className="w-full rounded-lg border border-slate-700 bg-slate-800 px-3 py-2 text-sm text-white focus:border-transparent focus:outline-none focus:ring-2 focus:ring-primary-500 dark:bg-slate-900"
+            className="w-full rounded-lg border border-slate-700 bg-slate-800 px-3 py-2 text-sm text-white focus:outline-none focus-visible:ring-2 focus-visible:ring-primary-500 dark:bg-slate-900"
             aria-label="Select guild"
           >
             {guildCtx.guilds.map((g) => (
@@ -171,7 +193,7 @@ export default function Sidebar({
 
           <Link
             href={`/guilds/${guildCtx.guildId}`}
-            className="mt-2 inline-block text-xs text-slate-400 transition-colors hover:text-primary-300"
+            className="mt-2 inline-block rounded text-xs text-slate-400 transition-colors hover:text-primary-300 focus:outline-none focus-visible:ring-2 focus-visible:ring-primary-500"
           >
             Open guild overview →
           </Link>
@@ -179,19 +201,17 @@ export default function Sidebar({
       )}
 
       {/* Navigation */}
-      <nav className="flex-1 overflow-y-auto p-4">
+      <nav className="flex-1 overflow-y-auto p-4" aria-label="Primary">
         <ul className="space-y-2">
           {navItems.map((item) => {
-            const isActive =
-              pathname === item.href ||
-              (item.href !== "/" &&
-                pathname?.startsWith(item.href));
+            const isActive = isNavItemActive(pathname, item.href);
 
             return (
               <li key={item.name}>
                 <Link
                   href={item.href}
                   onClick={onClose}
+                  aria-current={isActive ? "page" : undefined}
                   className={`
                     flex
                     items-center
@@ -200,6 +220,11 @@ export default function Sidebar({
                     px-4
                     py-3
                     transition-colors
+                    focus:outline-none
+                    focus-visible:ring-2
+                    focus-visible:ring-primary-500
+                    focus-visible:ring-offset-2
+                    focus-visible:ring-offset-slate-900
                     ${
                       isActive
                         ? "bg-slate-800 font-medium text-primary-300"
@@ -239,6 +264,7 @@ export default function Sidebar({
           </span>
         </div>
       )}
-    </div>
+      </div>
+    </>
   );
 }
\ No newline at end of file
diff --git a/apps/dashboard/lib/nav-items.ts b/apps/dashboard/lib/nav-items.ts
new file mode 100644
index 0000000..b7df2ea
--- /dev/null
+++ b/apps/dashboard/lib/nav-items.ts
@@ -0,0 +1,30 @@
+export interface NavItem {
+  name: string;
+  href: string;
+  icon: string;
+}
+
+export const navItems: NavItem[] = [
+  { name: "Dashboard", href: "/dashboard", icon: "📊" },
+  { name: "Passes", href: "/passes", icon: "🎫" },
+  { name: "Guilds", href: "/guilds", icon: "🏰" },
+  { name: "Members", href: "/members", icon: "👥" },
+  { name: "Activity", href: "/activity", icon: "📋" },
+  { name: "Integrations", href: "/integrations", icon: "🔌" },
+  { name: "Settings", href: "/settings", icon: "⚙️" },
+];
+
+/**
+ * Whether a nav item should be treated as the active route.
+ * Matches the item's own path exactly, or a nested route under it
+ * (e.g. "/guilds" is active for "/guilds/abc123") — but not a
+ * sibling route that merely shares a prefix (e.g. "/passes" is not
+ * active for "/passes-archive").
+ */
+export function isNavItemActive(
+  pathname: string | null | undefined,
+  href: string,
+): boolean {
+  if (!pathname) return false;
+  return pathname === href || pathname.startsWith(`${href}/`);
+}
diff --git a/apps/dashboard/test/nav-items.test.ts b/apps/dashboard/test/nav-items.test.ts
new file mode 100644
index 0000000..e33d8eb
--- /dev/null
+++ b/apps/dashboard/test/nav-items.test.ts
@@ -0,0 +1,65 @@
+import { describe, test } from "node:test";
+import assert from "node:assert/strict";
+
+import { isNavItemActive, navItems } from "../lib/nav-items";
+
+/**
+ * nav-items.test.ts
+ *
+ * Tests for the pure active-route matching logic used by the dashboard
+ * sidebar to set aria-current="page" on the current nav link.
+ */
+
+describe("isNavItemActive", () => {
+  test("matches an exact route", () => {
+    assert.equal(isNavItemActive("/dashboard", "/dashboard"), true);
+  });
+
+  test("matches a nested route under the item", () => {
+    assert.equal(isNavItemActive("/guilds/abc123", "/guilds"), true);
+  });
+
+  test("does not match a sibling route sharing a prefix", () => {
+    assert.equal(isNavItemActive("/passes-archive", "/passes"), false);
+  });
+
+  test("does not match an unrelated route", () => {
+    assert.equal(isNavItemActive("/settings", "/passes"), false);
+  });
+
+  test("returns false for a null pathname", () => {
+    assert.equal(isNavItemActive(null, "/dashboard"), false);
+  });
+
+  test("returns false for an undefined pathname", () => {
+    assert.equal(isNavItemActive(undefined, "/dashboard"), false);
+  });
+
+  test("does not match the empty string pathname against a real route", () => {
+    assert.equal(isNavItemActive("", "/dashboard"), false);
+  });
+});
+
+describe("navItems", () => {
+  test("every primary dashboard route from issue #294 is present", () => {
+    const hrefs = navItems.map((item) => item.href);
+    for (const expected of [
+      "/dashboard",
+      "/passes",
+      "/guilds",
+      "/members",
+      "/activity",
+      "/settings",
+    ]) {
+      assert.ok(hrefs.includes(expected), `missing nav item for ${expected}`);
+    }
+  });
+
+  test("every item has a non-empty name, href, and icon", () => {
+    for (const item of navItems) {
+      assert.ok(item.name.length > 0);
+      assert.ok(item.href.startsWith("/"));
+      assert.ok(item.icon.length > 0);
+    }
+  });
+});