diff --git a/app/[lang]/dashboard/DashboardLayoutClient.tsx b/app/[lang]/dashboard/DashboardLayoutClient.tsx
new file mode 100644
index 0000000..38f8101
--- /dev/null
+++ b/app/[lang]/dashboard/DashboardLayoutClient.tsx
@@ -0,0 +1,63 @@
+"use client";
+
+import { useState } from "react";
+import Providers from "@/components/Providers";
+import Sidebar from "@/components/Sidebar";
+import { DictionaryProvider } from "@/components/DictionaryContext";
+
+export default function DashboardLayout({
+  children,
+  dict,
+  lang,
+}: {
+  children: React.ReactNode;
+  dict: any;
+  lang: string;
+}) {
+  const [isSidebarOpen, setIsSidebarOpen] = useState(false);
+
+  return (
+    <Providers>
+      <DictionaryProvider dictionary={dict}>
+        <div className={`app-layout ${isSidebarOpen ? "sidebar-open" : ""}`}>
+          {/* Mobile Overlay */}
+          <div 
+            className="sidebar-overlay" 
+            onClick={() => setIsSidebarOpen(false)}
+          />
+          
+          <Sidebar 
+            dict={dict} 
+            lang={lang} 
+            onClose={() => setIsSidebarOpen(false)} 
+          />
+          
+          <div className="main-content">
+            {/* Mobile Header */}
+            <header className="mobile-header">
+              <button 
+                className="mobile-menu-btn" 
+                onClick={() => setIsSidebarOpen(true)}
+              >
+                <MenuIcon />
+              </button>
+              <div className="mobile-logo">AyrisMail</div>
+            </header>
+            
+            {children}
+          </div>
+        </div>
+      </DictionaryProvider>
+    </Providers>
+  );
+}
+
+function MenuIcon() {
+  return (
+    <svg width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeWidth="2" strokeLinecap="round" strokeLinejoin="round">
+      <line x1="4" x2="20" y1="12" y2="12" />
+      <line x1="4" x2="20" y1="6" y2="6" />
+      <line x1="4" x2="20" y1="18" y2="18" />
+    </svg>
+  );
+}
diff --git a/app/[lang]/dashboard/layout.tsx b/app/[lang]/dashboard/layout.tsx
index 98e1cec..9684d72 100644
--- a/app/[lang]/dashboard/layout.tsx
+++ b/app/[lang]/dashboard/layout.tsx
@@ -1,9 +1,7 @@
 import { auth } from "@/auth";
 import { redirect } from "next/navigation";
-import Providers from "@/components/Providers";
-import Sidebar from "@/components/Sidebar";
 import { getDictionary, Locale } from "@/app/dictionaries";
-import { DictionaryProvider } from "@/components/DictionaryContext";
+import DashboardLayoutClient from "./DashboardLayoutClient";
 
 export default async function DashboardLayout(
   props: {
@@ -12,10 +10,7 @@ export default async function DashboardLayout(
   }
 ) {
   const params = await props.params;
-
-  const {
-    children
-  } = props;
+  const { children } = props;
 
   const session = await auth();
   if (!session) redirect(`/${params.lang}/login`);
@@ -23,13 +18,8 @@ export default async function DashboardLayout(
   const dict = await getDictionary(params.lang as Locale);
 
   return (
-    <Providers>
-      <DictionaryProvider dictionary={dict}>
-        <div className="app-layout">
-          <Sidebar dict={dict} lang={params.lang} />
-          <div className="main-content">{children}</div>
-        </div>
-      </DictionaryProvider>
-    </Providers>
+    <DashboardLayoutClient dict={dict} lang={params.lang}>
+      {children}
+    </DashboardLayoutClient>
   );
 }
diff --git a/app/globals.css b/app/globals.css
index a94a998..60b681e 100644
--- a/app/globals.css
+++ b/app/globals.css
@@ -1085,6 +1085,46 @@ tr:hover td {
   background: var(--danger-dim);
 }
 
+/* ── Mobile Header ── */
+.mobile-header {
+  display: none;
+  align-items: center;
+  gap: 16px;
+  padding: 12px 16px;
+  background: var(--bg-card);
+  border-bottom: 1px solid var(--border);
+  position: sticky;
+  top: 0;
+  z-index: 50;
+}
+
+.mobile-menu-btn {
+  background: none;
+  border: none;
+  color: var(--text-primary);
+  cursor: pointer;
+  padding: 4px;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+}
+
+.mobile-logo {
+  font-weight: 700;
+  font-size: 16px;
+  color: var(--accent-hover);
+}
+
+.sidebar-overlay {
+  display: none;
+  position: fixed;
+  inset: 0;
+  background: rgba(0, 0, 0, 0.5);
+  backdrop-filter: blur(4px);
+  z-index: 90;
+  animation: fadeIn 0.2s ease;
+}
+
 /* ── Responsive ── */
 @media (max-width: 1024px) {
   .mail-layout { grid-template-columns: 60px 280px 1fr; }
@@ -1097,12 +1137,42 @@ tr:hover td {
 }
 
 @media (max-width: 768px) {
-  .sidebar { display: none; }
-  .mail-layout { grid-template-columns: 1fr; }
+  .mobile-header { display: flex; }
+  
+  .sidebar { 
+    position: fixed;
+    left: -240px;
+    top: 0;
+    bottom: 0;
+    z-index: 100;
+    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
+    box-shadow: 10px 0 30px rgba(0,0,0,0.5);
+  }
+  
+  .sidebar-open .sidebar {
+    transform: translateX(240px);
+  }
+  
+  .sidebar-open .sidebar-overlay {
+    display: block;
+  }
+
+  .mail-layout { grid-template-columns: 1fr; height: auto; overflow: visible; }
   .mail-sidebar { display: none; }
   .mail-detail { display: none; }
+  
+  /* Show active mail view if selected */
+  .mail-view-active .mail-list { display: none; }
+  .mail-view-active .mail-detail { display: block; }
+
   .page-body { padding: 16px; }
-  .page-header { padding: 16px; }
+  .page-header { 
+    padding: 16px; 
+    flex-direction: column; 
+    align-items: flex-start;
+  }
+  .page-header .btn { width: 100%; justify-content: center; }
+  
   .stats-grid { grid-template-columns: 1fr 1fr; }
 }
 /* ── Language Switcher ── */
diff --git a/components/Sidebar.tsx b/components/Sidebar.tsx
index 8c7ece3..84bc70a 100644
--- a/components/Sidebar.tsx
+++ b/components/Sidebar.tsx
@@ -5,7 +5,7 @@ import Link from "next/link";
 import { usePathname } from "next/navigation";
 import LanguageSwitcher from "./LanguageSwitcher";
 
-export default function Sidebar({ dict, lang }: { dict: any; lang: string }) {
+export default function Sidebar({ dict, lang, onClose }: { dict: any; lang: string; onClose?: () => void }) {
   const { data: session } = useSession();
   const pathname = usePathname();
   const role = session?.user?.role ?? "";
@@ -61,6 +61,7 @@ export default function Sidebar({ dict, lang }: { dict: any; lang: string }) {
                   key={item.href}
                   href={item.href}
                   className={`nav-item ${pathname === item.href ? "active" : ""}`}
+                  onClick={onClose}
                 >
                   <item.icon />
                   {item.label}