diff --git a/.env.example b/.env.example
index 896fa60..bf254c3 100644
--- a/.env.example
+++ b/.env.example
@@ -49,4 +49,7 @@ ZEN_PUBLIC_LOGO_BLACK=
 ZEN_PUBLIC_LOGO_URL=
 
 # OTHERS
-NEXT_TELEMETRY_DISABLED=1
\ No newline at end of file
+NEXT_TELEMETRY_DISABLED=1
+
+# DEVKIT (developer tools)
+ZEN_DEVKIT=false
\ No newline at end of file
diff --git a/src/features/admin/AdminPage.client.js b/src/features/admin/AdminPage.client.js
index 388283b..260a05c 100644
--- a/src/features/admin/AdminPage.client.js
+++ b/src/features/admin/AdminPage.client.js
@@ -8,8 +8,9 @@ import './pages/ProfilePage.client.js';
 import './pages/SettingsPage.client.js';
 import './pages/ConfirmEmailChangePage.client.js';
 import './widgets/index.client.js';
+import './devkit/DevkitPage.client.js';
 
-export default function AdminPageClient({ params, user, widgetData, appConfig }) {
+export default function AdminPageClient({ params, user, widgetData, appConfig, devkitEnabled }) {
   const parts = params?.admin || [];
   const [first] = parts;
 
@@ -25,5 +26,8 @@ export default function AdminPageClient({ params, user, widgetData, appConfig })
   if (slug === 'settings') {
     return <Component user={user} appConfig={appConfig} />;
   }
+  if (slug === 'devkit') {
+    return <Component user={user} params={parts} devkitEnabled={devkitEnabled} />;
+  }
   return <Component user={user} params={parts} />;
 }
diff --git a/src/features/admin/AdminPage.server.js b/src/features/admin/AdminPage.server.js
index ab77ac0..f019332 100644
--- a/src/features/admin/AdminPage.server.js
+++ b/src/features/admin/AdminPage.server.js
@@ -2,12 +2,14 @@ import AdminPageClient from './AdminPage.client.js';
 import { protectAdmin } from './protect.js';
 import { collectWidgetData } from './registry.js';
 import { getAppConfig, getPublicBaseUrl } from '@zen/core';
+import { isDevkitEnabled } from '../../shared/lib/appConfig.js';
 
 export default async function AdminPage({ params }) {
   const resolvedParams = await params;
   const session = await protectAdmin();
   const widgetData = await collectWidgetData();
   const appConfig = { ...getAppConfig(), siteUrl: getPublicBaseUrl() };
+  const devkitEnabled = isDevkitEnabled();
 
   return (
     <AdminPageClient
@@ -15,6 +17,7 @@ export default async function AdminPage({ params }) {
       user={session.user}
       widgetData={widgetData}
       appConfig={appConfig}
+      devkitEnabled={devkitEnabled}
     />
   );
 }
diff --git a/src/features/admin/devkit/ComponentsPage.client.js b/src/features/admin/devkit/ComponentsPage.client.js
new file mode 100644
index 0000000..abecb14
--- /dev/null
+++ b/src/features/admin/devkit/ComponentsPage.client.js
@@ -0,0 +1,173 @@
+'use client';
+
+import {
+  Button,
+  Card,
+  Badge,
+  StatusBadge,
+  Input,
+  Select,
+  Textarea,
+  Switch,
+  StatCard,
+  Loading,
+} from '@zen/core/shared/components';
+import { UserCircle02Icon } from '@zen/core/shared/icons';
+import AdminHeader from '../components/AdminHeader.js';
+
+function PreviewBlock({ title, children }) {
+  return (
+    <div className="flex flex-col gap-3">
+      <h3 className="text-[11px] font-semibold uppercase tracking-widest text-neutral-500 dark:text-neutral-400">{title}</h3>
+      <div className="rounded-xl border border-neutral-200 dark:border-neutral-800 bg-neutral-50 dark:bg-neutral-900/50 p-6 flex flex-wrap gap-3 items-center">
+        {children}
+      </div>
+    </div>
+  );
+}
+
+export default function ComponentsPage() {
+  return (
+    <div className="flex flex-col gap-8">
+      <AdminHeader title="Composants" description="Catalogue visuel des composants partagés" />
+
+      <PreviewBlock title="Button — variants">
+        <Button variant="primary" size="md">Primary</Button>
+        <Button variant="secondary" size="md">Secondary</Button>
+        <Button variant="success" size="md">Success</Button>
+        <Button variant="danger" size="md">Danger</Button>
+        <Button variant="warning" size="md">Warning</Button>
+        <Button variant="ghost" size="md">Ghost</Button>
+        <Button variant="fullghost" size="md">Full Ghost</Button>
+      </PreviewBlock>
+
+      <PreviewBlock title="Button — tailles">
+        <Button variant="primary" size="sm">Small</Button>
+        <Button variant="primary" size="md">Medium</Button>
+        <Button variant="primary" size="lg">Large</Button>
+      </PreviewBlock>
+
+      <PreviewBlock title="Button — états">
+        <Button variant="primary" disabled>Désactivé</Button>
+        <Button variant="primary" loading>Chargement</Button>
+      </PreviewBlock>
+
+      <PreviewBlock title="Badge — variants">
+        <Badge variant="default">Default</Badge>
+        <Badge variant="primary">Primary</Badge>
+        <Badge variant="success">Success</Badge>
+        <Badge variant="warning">Warning</Badge>
+        <Badge variant="danger">Danger</Badge>
+        <Badge variant="info">Info</Badge>
+        <Badge variant="purple">Purple</Badge>
+        <Badge variant="pink">Pink</Badge>
+        <Badge variant="orange">Orange</Badge>
+      </PreviewBlock>
+
+      <PreviewBlock title="StatusBadge">
+        <StatusBadge status="active" />
+        <StatusBadge status="inactive" />
+        <StatusBadge status="pending" />
+        <StatusBadge status="verified" />
+        <StatusBadge status="unverified" />
+        <StatusBadge status="admin" />
+        <StatusBadge status="user" />
+      </PreviewBlock>
+
+      <PreviewBlock title="Card — variants">
+        {['default', 'elevated', 'outline', 'success', 'info', 'warning', 'danger'].map(v => (
+          <Card key={v} variant={v} padding="md" className="min-w-[140px]">
+            <span className="text-sm font-medium">{v}</span>
+          </Card>
+        ))}
+      </PreviewBlock>
+
+      <PreviewBlock title="StatCard">
+        <StatCard
+          title="Utilisateurs"
+          value="1 234"
+          change="+42 ce mois"
+          changeType="increase"
+          icon={UserCircle02Icon}
+          color="text-blue-700"
+          bgColor="bg-blue-700/10"
+          className="w-56"
+        />
+        <StatCard
+          title="Revenus"
+          value="8 400 $"
+          change="-120 ce mois"
+          changeType="decrease"
+          icon={UserCircle02Icon}
+          color="text-red-700"
+          bgColor="bg-red-700/10"
+          className="w-56"
+        />
+        <StatCard
+          title="Chargement"
+          value="..."
+          icon={UserCircle02Icon}
+          color="text-neutral-400"
+          bgColor="bg-neutral-400/10"
+          loading
+          className="w-56"
+        />
+      </PreviewBlock>
+
+      <PreviewBlock title="Input">
+        <div className="w-72 flex flex-col gap-3">
+          <Input label="Champ normal" placeholder="Valeur..." value="" onChange={() => {}} />
+          <Input label="Avec description" placeholder="Valeur..." value="" description="Texte d'aide sous le champ." onChange={() => {}} />
+          <Input label="Avec erreur" placeholder="Valeur..." value="" error="Ce champ est invalide." onChange={() => {}} />
+          <Input label="Désactivé" placeholder="Valeur..." value="Valeur fixe" disabled onChange={() => {}} />
+          <Input label="Requis" placeholder="Valeur..." value="" required onChange={() => {}} />
+        </div>
+      </PreviewBlock>
+
+      <PreviewBlock title="Select">
+        <div className="w-72 flex flex-col gap-3">
+          <Select
+            label="Sélection normale"
+            value="option1"
+            options={[{ value: 'option1', label: 'Option 1' }, { value: 'option2', label: 'Option 2' }]}
+            onChange={() => {}}
+          />
+          <Select
+            label="Avec erreur"
+            value=""
+            options={[{ value: 'option1', label: 'Option 1' }]}
+            error="Veuillez choisir une option."
+            onChange={() => {}}
+          />
+          <Select
+            label="Désactivé"
+            value="option1"
+            options={[{ value: 'option1', label: 'Option 1' }]}
+            disabled
+            onChange={() => {}}
+          />
+        </div>
+      </PreviewBlock>
+
+      <PreviewBlock title="Textarea">
+        <div className="w-72 flex flex-col gap-3">
+          <Textarea label="Zone de texte" placeholder="Entrer du texte..." value="" rows={3} onChange={() => {}} />
+          <Textarea label="Avec erreur" placeholder="..." value="" error="Ce champ est requis." rows={2} onChange={() => {}} />
+          <Textarea label="Désactivé" value="Texte fixe" disabled rows={2} onChange={() => {}} />
+        </div>
+      </PreviewBlock>
+
+      <PreviewBlock title="Switch">
+        <div className="w-72 flex flex-col gap-1 border border-neutral-200 dark:border-neutral-800 rounded-xl overflow-hidden">
+          <Switch label="Désactivé" description="Ce switch est off" checked={false} onChange={() => {}} />
+          <Switch label="Activé" description="Ce switch est on" checked={true} onChange={() => {}} />
+          <Switch label="Désactivé (disabled)" checked={false} disabled onChange={() => {}} />
+        </div>
+      </PreviewBlock>
+
+      <PreviewBlock title="Loading">
+        <Loading />
+      </PreviewBlock>
+    </div>
+  );
+}
diff --git a/src/features/admin/devkit/DevkitPage.client.js b/src/features/admin/devkit/DevkitPage.client.js
new file mode 100644
index 0000000..e562309
--- /dev/null
+++ b/src/features/admin/devkit/DevkitPage.client.js
@@ -0,0 +1,23 @@
+'use client';
+
+import { registerPage } from '../registry.js';
+import ComponentsPage from './ComponentsPage.client.js';
+import IconsPage from './IconsPage.client.js';
+
+function DevkitPage({ params, devkitEnabled }) {
+  if (!devkitEnabled) {
+    return (
+      <div className="flex items-center justify-center py-24 text-neutral-400 dark:text-neutral-600 text-sm">
+        DevKit désactivé. Définir <code className="mx-1 font-mono bg-neutral-100 dark:bg-neutral-800 px-1 rounded">ZEN_DEVKIT=true</code> pour activer.
+      </div>
+    );
+  }
+
+  const subPage = params?.[1] || 'components';
+
+  if (subPage === 'icons') return <IconsPage />;
+  return <ComponentsPage />;
+}
+
+export default DevkitPage;
+registerPage({ slug: 'devkit', title: 'DevKit', Component: DevkitPage });
diff --git a/src/features/admin/devkit/IconsPage.client.js b/src/features/admin/devkit/IconsPage.client.js
new file mode 100644
index 0000000..687225e
--- /dev/null
+++ b/src/features/admin/devkit/IconsPage.client.js
@@ -0,0 +1,73 @@
+'use client';
+
+import { useState, useMemo } from 'react';
+import * as Icons from '@zen/core/shared/icons';
+import { useToast } from '@zen/core/toast';
+import AdminHeader from '../components/AdminHeader.js';
+
+const ALL_ICONS = Object.entries(Icons);
+
+export default function IconsPage() {
+  const [query, setQuery] = useState('');
+  const toast = useToast();
+
+  const filtered = useMemo(() => {
+    if (!query.trim()) return ALL_ICONS;
+    const q = query.trim().toLowerCase();
+    return ALL_ICONS.filter(([name]) => name.toLowerCase().includes(q));
+  }, [query]);
+
+  const handleCopy = (name) => {
+    navigator.clipboard.writeText(`<${name} className="w-5 h-5" />`);
+    toast.success(`${name} copié`);
+  };
+
+  return (
+    <div className="flex flex-col gap-6">
+      <AdminHeader
+        title="Icônes"
+        description={`${ALL_ICONS.length} icônes disponibles`}
+      />
+
+      <div className="relative">
+        <input
+          type="text"
+          value={query}
+          onChange={e => setQuery(e.target.value)}
+          placeholder="Rechercher une icône..."
+          className="w-full rounded-lg border border-neutral-200 dark:border-neutral-800 bg-white dark:bg-neutral-900 px-4 py-2.5 text-sm text-neutral-900 dark:text-white placeholder-neutral-400 dark:placeholder-neutral-500 focus:outline-none focus:ring-2 focus:ring-blue-700/40"
+        />
+        {query && (
+          <button
+            onClick={() => setQuery('')}
+            className="absolute right-3 top-1/2 -translate-y-1/2 text-neutral-400 hover:text-neutral-600 dark:hover:text-neutral-200 text-lg leading-none"
+          >
+            ×
+          </button>
+        )}
+      </div>
+
+      {filtered.length === 0 ? (
+        <p className="text-sm text-neutral-500 dark:text-neutral-400 text-center py-12">
+          Aucune icône trouvée pour &ldquo;{query}&rdquo;
+        </p>
+      ) : (
+        <div className="grid grid-cols-4 sm:grid-cols-6 lg:grid-cols-8 xl:grid-cols-10 gap-2">
+          {filtered.map(([name, IconComponent]) => (
+            <button
+              key={name}
+              onClick={() => handleCopy(name)}
+              title={name}
+              className="flex flex-col items-center gap-1.5 rounded-lg border border-transparent hover:border-neutral-200 dark:hover:border-neutral-700 hover:bg-neutral-50 dark:hover:bg-neutral-800/50 p-3 transition-colors duration-100 group cursor-pointer"
+            >
+              <IconComponent className="w-5 h-5 text-neutral-700 dark:text-neutral-300 group-hover:text-blue-700 dark:group-hover:text-blue-400 transition-colors" />
+              <span className="text-[9px] text-neutral-400 dark:text-neutral-500 leading-tight text-center break-all line-clamp-2 group-hover:text-neutral-600 dark:group-hover:text-neutral-300">
+                {name.replace('Icon', '')}
+              </span>
+            </button>
+          ))}
+        </div>
+      )}
+    </div>
+  );
+}
diff --git a/src/features/admin/navigation.js b/src/features/admin/navigation.js
index ef70f50..5a97eb3 100644
--- a/src/features/admin/navigation.js
+++ b/src/features/admin/navigation.js
@@ -4,6 +4,7 @@ import {
   getNavSections,
   getNavItems,
 } from './registry.js';
+import { isDevkitEnabled } from '../../shared/lib/appConfig.js';
 
 // Sections et items core — enregistrés à l'import de ce module.
 registerNavSection({ id: 'dashboard', title: 'Tableau de bord', icon: 'DashboardSquare03Icon', order: 10 });
@@ -14,6 +15,12 @@ registerNavItem({ id: 'users',     label: 'Utilisateurs',   icon: 'UserMultiple0
 registerNavItem({ id: 'roles',     label: 'Rôles',          icon: 'Crown03Icon',           href: '/admin/roles',     sectionId: 'system',    order: 20 });
 registerNavItem({ id: 'settings',  label: 'Paramètres',     icon: 'Settings02Icon',        href: '/admin/settings',  position: 'bottom',     order: 10 });
 
+if (isDevkitEnabled()) {
+  registerNavSection({ id: 'devkit', title: 'DevKit', icon: 'Wrench01Icon', order: 90 });
+  registerNavItem({ id: 'devkit-components', label: 'Composants', icon: 'Layers01Icon', href: '/admin/devkit/components', sectionId: 'devkit', order: 10 });
+  registerNavItem({ id: 'devkit-icons', label: 'Icônes', icon: 'Image01Icon', href: '/admin/devkit/icons', sectionId: 'devkit', order: 20 });
+}
+
 /**
  * Build sections for AdminSidebar. Items are sérialisables (pas de composants),
  * icônes en chaînes résolues côté client.
diff --git a/src/index.js b/src/index.js
index 34865fa..7797c29 100644
--- a/src/index.js
+++ b/src/index.js
@@ -27,7 +27,7 @@ export * as pdf from "./core/pdf/index.js";
 // Do not export here to avoid mixing client/server boundaries
 
 // Export app configuration utilities
-export { getAppName, getAppConfig, getSessionCookieName, getPublicBaseUrl } from "./shared/lib/appConfig.js";
+export { getAppName, getAppConfig, getSessionCookieName, getPublicBaseUrl, isDevkitEnabled } from "./shared/lib/appConfig.js";
 
 // Export initialization utilities
 export { initializeZen, resetZenInitialization } from "./shared/lib/init.js";
diff --git a/src/shared/lib/appConfig.js b/src/shared/lib/appConfig.js
index 71b1094..54b1cf3 100644
--- a/src/shared/lib/appConfig.js
+++ b/src/shared/lib/appConfig.js
@@ -48,3 +48,7 @@ export function getAppConfig() {
     currencySymbol: process.env.ZEN_CURRENCY_SYMBOL || '$',
   };
 }
+
+export function isDevkitEnabled() {
+  return process.env.ZEN_DEVKIT === 'true';
+}