diff --git a/.replit b/.replit
index b1b492e..fa8f8de 100644
--- a/.replit
+++ b/.replit
@@ -22,6 +22,10 @@ externalPort = 3003
 localPort = 35357
 externalPort = 3002
 
+[[ports]]
+localPort = 37431
+externalPort = 5000
+
 [[ports]]
 localPort = 37659
 externalPort = 4200
@@ -34,6 +38,10 @@ externalPort = 3000
 localPort = 43245
 externalPort = 3001
 
+[[ports]]
+localPort = 46681
+externalPort = 5173
+
 [env]
 PORT = "5000"
 
diff --git a/client/src/components/sidebar.tsx b/client/src/components/sidebar.tsx
index 8e1d9a7..f0154c0 100644
--- a/client/src/components/sidebar.tsx
+++ b/client/src/components/sidebar.tsx
@@ -7,7 +7,11 @@ import { Button } from "@/components/ui/button";
 import { Avatar, AvatarFallback } from "@/components/ui/avatar";
 import { useState, useEffect } from "react";
 
-export default function Sidebar() {
+interface SidebarProps {
+  onLinkClick?: () => void;
+}
+
+export default function Sidebar({ onLinkClick }: SidebarProps = {}) {
   const [location] = useLocation();
   const [, setLocation] = useLocation();
   const { toast } = useToast();
@@ -27,6 +31,18 @@ export default function Sidebar() {
 
   const isAdmin = session?.role === "admin";
 
+  const handleLinkClick = (href: string, e: React.MouseEvent) => {
+    e.preventDefault();
+    // Always close sidebar on mobile first
+    if (onLinkClick) {
+      onLinkClick();
+    }
+    // Navigate after a small delay to ensure state update completes
+    setTimeout(() => {
+      setLocation(href);
+    }, 10);
+  };
+
   const logoutMutation = useMutation({
     mutationFn: async () => {
       const res = await apiRequest("POST", "/api/auth/logout", {});
@@ -82,10 +98,11 @@ export default function Sidebar() {
             
             return (
               <li key={item.href} className="relative group">
-                <Link 
+                <a
                   href={item.href}
+                  onClick={(e) => handleLinkClick(item.href, e)}
                   className={`
-                    flex items-center gap-3 px-4 py-3 rounded-xl font-medium transition-all relative
+                    flex items-center gap-3 px-4 py-3 rounded-xl font-medium transition-all relative cursor-pointer
                     ${isActive 
                       ? 'bg-gradient-to-r from-primary/10 to-secondary/10 text-primary shadow-sm' 
                       : 'text-muted-foreground hover:bg-sidebar-accent hover:text-foreground'
@@ -108,7 +125,7 @@ export default function Sidebar() {
                       )}
                     </>
                   )}
-                </Link>
+                </a>
                 {isCollapsed && (
                   <div className="absolute left-full ml-2 px-3 py-2 bg-popover text-popover-foreground text-sm rounded-lg shadow-lg opacity-0 invisible group-hover:opacity-100 group-hover:visible transition-all whitespace-nowrap z-50">
                     {item.label}
@@ -131,10 +148,11 @@ export default function Sidebar() {
               
               return (
                 <li key={item.href} className="relative group">
-                  <Link 
+                  <a
                     href={item.href}
+                    onClick={(e) => handleLinkClick(item.href, e)}
                     className={`
-                      flex items-center gap-3 px-4 py-3 rounded-xl transition-all relative
+                      flex items-center gap-3 px-4 py-3 rounded-xl transition-all relative cursor-pointer
                       ${isActive 
                         ? 'bg-gradient-to-r from-primary/10 to-secondary/10 text-primary shadow-sm' 
                         : 'text-muted-foreground hover:bg-sidebar-accent hover:text-foreground'
@@ -148,7 +166,7 @@ export default function Sidebar() {
                     )}
                     <Icon className={`w-5 h-5 ${isActive ? 'text-primary' : ''}`} />
                     {!isCollapsed && <span>{item.label}</span>}
-                  </Link>
+                  </a>
                   {isCollapsed && (
                     <div className="absolute left-full ml-2 px-3 py-2 bg-popover text-popover-foreground text-sm rounded-lg shadow-lg opacity-0 invisible group-hover:opacity-100 group-hover:visible transition-all whitespace-nowrap z-50">
                       {item.label}
@@ -170,10 +188,11 @@ export default function Sidebar() {
                 <p className="text-xs font-semibold text-muted-foreground mb-2 px-4 uppercase tracking-wider">Administration</p>
               </div>
             )}
-            <Link 
+            <a
               href="/pages"
+              onClick={(e) => handleLinkClick("/pages", e)}
               className={`
-                flex items-center gap-3 px-4 py-3 rounded-xl transition-all relative group
+                flex items-center gap-3 px-4 py-3 rounded-xl transition-all relative group cursor-pointer
                 ${location === "/pages"
                   ? 'bg-gradient-to-r from-primary/10 to-secondary/10 text-primary shadow-sm' 
                   : 'text-muted-foreground hover:bg-sidebar-accent hover:text-foreground'
@@ -192,11 +211,12 @@ export default function Sidebar() {
                   Pages gérées
                 </div>
               )}
-            </Link>
-            <Link 
+            </a>
+            <a
               href="/users"
+              onClick={(e) => handleLinkClick("/users", e)}
               className={`
-                flex items-center gap-3 px-4 py-3 rounded-xl transition-all relative group
+                flex items-center gap-3 px-4 py-3 rounded-xl transition-all relative group cursor-pointer
                 ${location === "/users"
                   ? 'bg-gradient-to-r from-primary/10 to-secondary/10 text-primary shadow-sm' 
                   : 'text-muted-foreground hover:bg-sidebar-accent hover:text-foreground'
@@ -215,11 +235,12 @@ export default function Sidebar() {
                   Utilisateurs
                 </div>
               )}
-            </Link>
-            <Link 
+            </a>
+            <a
               href="/sql"
+              onClick={(e) => handleLinkClick("/sql", e)}
               className={`
-                flex items-center gap-3 px-4 py-3 rounded-xl transition-all relative group
+                flex items-center gap-3 px-4 py-3 rounded-xl transition-all relative group cursor-pointer
                 ${location === "/sql"
                   ? 'bg-gradient-to-r from-primary/10 to-secondary/10 text-primary shadow-sm' 
                   : 'text-muted-foreground hover:bg-sidebar-accent hover:text-foreground'
@@ -238,11 +259,12 @@ export default function Sidebar() {
                   SQL
                 </div>
               )}
-            </Link>
-            <Link 
+            </a>
+            <a
               href="/settings"
+              onClick={(e) => handleLinkClick("/settings", e)}
               className={`
-                flex items-center gap-3 px-4 py-3 rounded-xl transition-all relative group
+                flex items-center gap-3 px-4 py-3 rounded-xl transition-all relative group cursor-pointer
                 ${location === "/settings"
                   ? 'bg-gradient-to-r from-primary/10 to-secondary/10 text-primary shadow-sm' 
                   : 'text-muted-foreground hover:bg-sidebar-accent hover:text-foreground'
@@ -261,7 +283,7 @@ export default function Sidebar() {
                   Paramètres
                 </div>
               )}
-            </Link>
+            </a>
           </>
         )}
         
@@ -302,10 +324,10 @@ export default function Sidebar() {
           </div>
         )}
         
-        {/* Toggle Button */}
+        {/* Toggle Button (Desktop only) */}
         <button
           onClick={() => setIsCollapsed(!isCollapsed)}
-          className="mt-2 w-full flex items-center justify-center p-2 text-muted-foreground hover:text-primary hover:bg-sidebar-accent rounded-xl transition-all"
+          className="mt-2 w-full hidden lg:flex items-center justify-center p-2 text-muted-foreground hover:text-primary hover:bg-primary/10 border-2 border-border hover:border-primary/50 rounded-xl transition-all"
           data-testid="button-toggle-sidebar"
         >
           {isCollapsed ? <ChevronRight className="w-5 h-5" /> : <ChevronLeft className="w-5 h-5" />}
diff --git a/client/src/components/topbar.tsx b/client/src/components/topbar.tsx
index 5a9ea25..225b0f0 100644
--- a/client/src/components/topbar.tsx
+++ b/client/src/components/topbar.tsx
@@ -8,12 +8,13 @@ interface TopBarProps {
 export default function TopBar({ onMenuClick }: TopBarProps) {
   return (
     <header className="bg-card/50 backdrop-blur-xl border-b border-border/50 sticky top-0 z-10">
-      <div className="flex items-center justify-between px-6 lg:px-8 py-5">
-        <div className="flex items-center gap-6 flex-1">
+      <div className="flex items-center justify-between px-4 sm:px-6 lg:px-8 py-4 sm:py-5">
+        <div className="flex items-center gap-3 sm:gap-6 flex-1">
           <button 
-            className="lg:hidden text-foreground hover:text-primary transition-colors"
+            className="lg:hidden text-foreground hover:text-primary transition-all hover:scale-110 active:scale-95 p-2 hover:bg-primary/10 rounded-xl"
             onClick={onMenuClick}
             data-testid="button-menu"
+            aria-label="Toggle menu"
           >
             <Menu className="w-6 h-6" />
           </button>
diff --git a/client/src/components/ui/button.tsx b/client/src/components/ui/button.tsx
index 36496a2..c8cbf29 100644
--- a/client/src/components/ui/button.tsx
+++ b/client/src/components/ui/button.tsx
@@ -20,10 +20,10 @@ const buttonVariants = cva(
         link: "text-primary underline-offset-4 hover:underline",
       },
       size: {
-        default: "h-10 px-4 py-2",
-        sm: "h-9 rounded-md px-3",
-        lg: "h-11 rounded-md px-8",
-        icon: "h-10 w-10",
+        default: "h-11 px-4 py-2",
+        sm: "h-11 rounded-md px-3",
+        lg: "h-12 rounded-md px-8",
+        icon: "h-11 w-11",
       },
     },
     defaultVariants: {
diff --git a/client/src/pages/ai.tsx b/client/src/pages/ai.tsx
index eb28a88..a3860cb 100644
--- a/client/src/pages/ai.tsx
+++ b/client/src/pages/ai.tsx
@@ -19,13 +19,13 @@ export default function AI() {
         fixed lg:static inset-y-0 left-0 z-50 transform transition-transform duration-300 ease-in-out
         ${sidebarOpen ? 'translate-x-0' : '-translate-x-full lg:translate-x-0'}
       `}>
-        <Sidebar />
+        <Sidebar onLinkClick={() => setSidebarOpen(false)} />
       </div>
 
       <main className="flex-1 overflow-y-auto">
         <TopBar onMenuClick={() => setSidebarOpen(!sidebarOpen)} />
         
-        <div className="p-8 max-w-5xl mx-auto">
+        <div className="p-4 sm:p-6 lg:p-8 max-w-5xl mx-auto">
           <div className="mb-8">
             <h1 className="text-3xl font-bold text-foreground">Assistant IA</h1>
             <p className="text-muted-foreground mt-2">
diff --git a/client/src/pages/calendar.tsx b/client/src/pages/calendar.tsx
index b97aca3..b6cb235 100644
--- a/client/src/pages/calendar.tsx
+++ b/client/src/pages/calendar.tsx
@@ -19,13 +19,13 @@ export default function Calendar() {
         fixed lg:static inset-y-0 left-0 z-50 transform transition-transform duration-300 ease-in-out
         ${sidebarOpen ? 'translate-x-0' : '-translate-x-full lg:translate-x-0'}
       `}>
-        <Sidebar />
+        <Sidebar onLinkClick={() => setSidebarOpen(false)} />
       </div>
 
       <main className="flex-1 overflow-y-auto">
         <TopBar onMenuClick={() => setSidebarOpen(!sidebarOpen)} />
         
-        <div className="p-8 max-w-[1600px] mx-auto">
+        <div className="p-4 sm:p-6 lg:p-8 max-w-[1600px] mx-auto">
           <div className="mb-8">
             <h1 className="text-3xl font-bold text-foreground">Calendrier</h1>
             <p className="text-muted-foreground mt-2">
diff --git a/client/src/pages/dashboard.tsx b/client/src/pages/dashboard.tsx
index e930508..d097e43 100644
--- a/client/src/pages/dashboard.tsx
+++ b/client/src/pages/dashboard.tsx
@@ -21,13 +21,13 @@ export default function Dashboard() {
         fixed lg:static inset-y-0 left-0 z-50 transform transition-transform duration-300 ease-in-out
         ${sidebarOpen ? 'translate-x-0' : '-translate-x-full lg:translate-x-0'}
       `}>
-        <Sidebar />
+        <Sidebar onLinkClick={() => setSidebarOpen(false)} />
       </div>
 
       <main className="flex-1 overflow-y-auto">
         <TopBar onMenuClick={() => setSidebarOpen(!sidebarOpen)} />
         
-        <div className="p-8 space-y-8 max-w-[1600px] mx-auto">
+        <div className="p-4 sm:p-6 lg:p-8 space-y-6 sm:space-y-8 max-w-[1600px] mx-auto">
           <StatsCards />
           
           <RecentPublications />
diff --git a/client/src/pages/history.tsx b/client/src/pages/history.tsx
index e24f20a..37154a2 100644
--- a/client/src/pages/history.tsx
+++ b/client/src/pages/history.tsx
@@ -31,13 +31,13 @@ export default function History() {
         fixed lg:static inset-y-0 left-0 z-50 transform transition-transform duration-300 ease-in-out
         ${sidebarOpen ? 'translate-x-0' : '-translate-x-full lg:translate-x-0'}
       `}>
-        <Sidebar />
+        <Sidebar onLinkClick={() => setSidebarOpen(false)} />
       </div>
 
       <main className="flex-1 overflow-y-auto">
         <TopBar onMenuClick={() => setSidebarOpen(!sidebarOpen)} />
         
-        <div className="p-8 max-w-5xl mx-auto">
+        <div className="p-4 sm:p-6 lg:p-8 max-w-5xl mx-auto">
           <div className="mb-8">
             <h1 className="text-3xl font-bold text-foreground">Historique</h1>
             <p className="text-muted-foreground mt-2">
diff --git a/client/src/pages/media.tsx b/client/src/pages/media.tsx
index f46e7cd..67264a3 100644
--- a/client/src/pages/media.tsx
+++ b/client/src/pages/media.tsx
@@ -19,13 +19,13 @@ export default function Media() {
         fixed lg:static inset-y-0 left-0 z-50 transform transition-transform duration-300 ease-in-out
         ${sidebarOpen ? 'translate-x-0' : '-translate-x-full lg:translate-x-0'}
       `}>
-        <Sidebar />
+        <Sidebar onLinkClick={() => setSidebarOpen(false)} />
       </div>
 
       <main className="flex-1 overflow-y-auto">
         <TopBar onMenuClick={() => setSidebarOpen(!sidebarOpen)} />
         
-        <div className="p-8 max-w-[1600px] mx-auto">
+        <div className="p-4 sm:p-6 lg:p-8 max-w-[1600px] mx-auto">
           <div className="mb-8">
             <h1 className="text-3xl font-bold text-foreground">Médiathèque</h1>
             <p className="text-muted-foreground mt-2">
diff --git a/client/src/pages/new-post.tsx b/client/src/pages/new-post.tsx
index 107f6fc..c759abe 100644
--- a/client/src/pages/new-post.tsx
+++ b/client/src/pages/new-post.tsx
@@ -202,13 +202,13 @@ export default function NewPost() {
         fixed lg:static inset-y-0 left-0 z-50 transform transition-transform duration-300 ease-in-out
         ${sidebarOpen ? 'translate-x-0' : '-translate-x-full lg:translate-x-0'}
       `}>
-        <Sidebar />
+        <Sidebar onLinkClick={() => setSidebarOpen(false)} />
       </div>
 
       <main className="flex-1 overflow-y-auto">
         <TopBar onMenuClick={() => setSidebarOpen(!sidebarOpen)} />
         
-        <div className="p-8 max-w-6xl mx-auto">
+        <div className="p-4 sm:p-6 lg:p-8 max-w-6xl mx-auto">
           <div className="mb-8">
             <h1 className="text-3xl font-bold text-foreground">Nouvelle publication</h1>
             <p className="text-muted-foreground mt-2">
@@ -216,7 +216,7 @@ export default function NewPost() {
             </p>
           </div>
 
-          <div className="grid grid-cols-1 lg:grid-cols-2 gap-8">
+          <div className="grid grid-cols-1 lg:grid-cols-2 gap-4 sm:gap-6 lg:gap-8">
             <div className="space-y-8">
               <Card className="rounded-2xl border-border/50 shadow-lg">
                 <CardHeader className="p-6">
diff --git a/client/src/pages/pages.tsx b/client/src/pages/pages.tsx
index ebe9e2d..cb4ef7a 100644
--- a/client/src/pages/pages.tsx
+++ b/client/src/pages/pages.tsx
@@ -55,13 +55,13 @@ export default function PagesManagement() {
         fixed lg:static inset-y-0 left-0 z-50 transform transition-transform duration-300 ease-in-out
         ${sidebarOpen ? 'translate-x-0' : '-translate-x-full lg:translate-x-0'}
       `}>
-        <Sidebar />
+        <Sidebar onLinkClick={() => setSidebarOpen(false)} />
       </div>
 
       <main className="flex-1 overflow-y-auto">
         <TopBar onMenuClick={() => setSidebarOpen(!sidebarOpen)} />
         
-        <div className="p-8 max-w-[1600px] mx-auto">
+        <div className="p-4 sm:p-6 lg:p-8 max-w-[1600px] mx-auto">
           <div className="flex justify-between items-center mb-8">
             <div>
               <h1 className="text-3xl font-bold text-foreground">Pages gérées</h1>
diff --git a/client/src/pages/settings.tsx b/client/src/pages/settings.tsx
index b9aa3c4..788aabb 100644
--- a/client/src/pages/settings.tsx
+++ b/client/src/pages/settings.tsx
@@ -132,13 +132,13 @@ export default function Settings() {
         fixed lg:static inset-y-0 left-0 z-50 transform transition-transform duration-300 ease-in-out
         ${sidebarOpen ? 'translate-x-0' : '-translate-x-full lg:translate-x-0'}
       `}>
-        <Sidebar />
+        <Sidebar onLinkClick={() => setSidebarOpen(false)} />
       </div>
 
       <main className="flex-1 overflow-y-auto">
         <TopBar onMenuClick={() => setSidebarOpen(!sidebarOpen)} />
         
-        <div className="p-8 max-w-4xl mx-auto">
+        <div className="p-4 sm:p-6 lg:p-8 max-w-4xl mx-auto">
           <div className="mb-8">
             <h1 className="text-3xl font-bold text-foreground">Paramètres</h1>
             <p className="text-muted-foreground mt-2">
diff --git a/client/src/pages/sql.tsx b/client/src/pages/sql.tsx
index 3b7f892..11037b2 100644
--- a/client/src/pages/sql.tsx
+++ b/client/src/pages/sql.tsx
@@ -87,13 +87,13 @@ export default function SqlAdmin() {
         fixed lg:static inset-y-0 left-0 z-50 transform transition-transform duration-300 ease-in-out
         ${sidebarOpen ? 'translate-x-0' : '-translate-x-full lg:translate-x-0'}
       `}>
-        <Sidebar />
+        <Sidebar onLinkClick={() => setSidebarOpen(false)} />
       </div>
 
       <main className="flex-1 overflow-y-auto">
         <TopBar onMenuClick={() => setSidebarOpen(!sidebarOpen)} />
         
-        <div className="p-8 max-w-[1600px] mx-auto space-y-8">
+        <div className="p-4 sm:p-6 lg:p-8 max-w-[1600px] mx-auto space-y-6 sm:space-y-8">
           <div>
             <h1 className="text-3xl font-bold flex items-center gap-2">
               <Database className="w-8 h-8" />
@@ -104,7 +104,7 @@ export default function SqlAdmin() {
             </p>
           </div>
 
-          <div className="grid grid-cols-1 lg:grid-cols-4 gap-8">
+          <div className="grid grid-cols-1 lg:grid-cols-4 gap-4 sm:gap-6 lg:gap-8">
             {/* Liste des tables */}
             <Card className="rounded-2xl border-border/50 shadow-lg">
               <CardHeader className="p-6">
diff --git a/client/src/pages/users-admin.tsx b/client/src/pages/users-admin.tsx
index 6fd3d60..a9ba7d4 100644
--- a/client/src/pages/users-admin.tsx
+++ b/client/src/pages/users-admin.tsx
@@ -290,13 +290,13 @@ export default function UsersAdmin() {
         fixed lg:static inset-y-0 left-0 z-50 transform transition-transform duration-300 ease-in-out
         ${sidebarOpen ? 'translate-x-0' : '-translate-x-full lg:translate-x-0'}
       `}>
-        <Sidebar />
+        <Sidebar onLinkClick={() => setSidebarOpen(false)} />
       </div>
 
       <main className="flex-1 overflow-y-auto">
         <TopBar onMenuClick={() => setSidebarOpen(!sidebarOpen)} />
         
-        <div className="p-8 max-w-[1600px] mx-auto space-y-8">
+        <div className="p-4 sm:p-6 lg:p-8 max-w-[1600px] mx-auto space-y-6 sm:space-y-8">
           <div>
             <h1 className="text-3xl font-bold flex items-center gap-2">
               <Users className="w-8 h-8" />
@@ -307,7 +307,7 @@ export default function UsersAdmin() {
             </p>
           </div>
 
-          <div className="grid grid-cols-1 lg:grid-cols-3 gap-8">
+          <div className="grid grid-cols-1 lg:grid-cols-3 gap-4 sm:gap-6 lg:gap-8">
             {/* Liste des utilisateurs */}
             <div className="lg:col-span-2">
               <Card className="rounded-2xl border-border/50 shadow-lg">