diff --git a/frontend/src/app/(admin)/admin/contenus/page.tsx b/frontend/src/app/(admin)/admin/contenus/page.tsx
index 340d0a8..a103f3b 100644
--- a/frontend/src/app/(admin)/admin/contenus/page.tsx
+++ b/frontend/src/app/(admin)/admin/contenus/page.tsx
@@ -1,13 +1,10 @@
 'use client';
 
 import { useEffect, useState } from 'react';
-import { Plus, Edit2, Trash2 } from 'lucide-react';
 import api from '@/lib/api';
 import type { Feed } from '@/types';
-import Card from '@/components/ui/Card';
 import Button from '@/components/ui/Button';
 import Input from '@/components/ui/Input';
-import Badge from '@/components/ui/Badge';
 import Modal from '@/components/ui/Modal';
 import toast from 'react-hot-toast';
 
@@ -90,92 +87,107 @@ export default function AdminContenusPage() {
 
   return (
     <div>
-      <div className="flex flex-col sm:flex-row sm:items-center sm:justify-between gap-4 mb-6">
-        <div>
-          <h1 className="font-display text-3xl font-bold text-gray-900 dark:text-white mb-1">
-            Contenus
-          </h1>
-          <p className="text-gray-500 dark:text-gray-400">
+      <div className="fr-grid-row fr-grid-row--middle fr-grid-row--gutters fr-mb-4w">
+        <div className="fr-col">
+          <h1 className="fr-mb-1v">Contenus</h1>
+          <p className="fr-text--sm fr-mb-0">
             Gérez les articles et ressources de la plateforme
           </p>
         </div>
-        <Button onClick={openCreate} size="sm">
-          <Plus size={16} />
-          Nouvel article
-        </Button>
+        <div className="fr-col-auto">
+          <button
+            type="button"
+            className="fr-btn fr-btn--icon-left fr-icon-add-line"
+            onClick={openCreate}
+          >
+            Nouvel article
+          </button>
+        </div>
       </div>
 
       {loading ? (
-        <div className="space-y-4">
-          {Array.from({ length: 3 }).map((_, i) => (
-            <Card key={i}>
-              <div className="h-6 bg-gray-100 dark:bg-gray-800 rounded animate-pulse w-48 mb-2" />
-              <div className="h-4 bg-gray-100 dark:bg-gray-800 rounded animate-pulse w-full" />
-            </Card>
-          ))}
-        </div>
+        <p>Chargement…</p>
       ) : feeds.length === 0 ? (
-        <Card className="text-center py-12">
-          <p className="text-gray-400 dark:text-gray-600 mb-4">Aucun article</p>
-          <Button onClick={openCreate} size="sm">Créer le premier article</Button>
-        </Card>
+        <div className="fr-callout">
+          <p className="fr-callout__text">Aucun article pour le moment.</p>
+          <button type="button" className="fr-btn fr-btn--icon-left fr-icon-add-line" onClick={openCreate}>
+            Créer le premier article
+          </button>
+        </div>
       ) : (
-        <div className="space-y-4">
-          {feeds.map((feed) => (
-            <Card key={feed.id} className="flex flex-col sm:flex-row sm:items-center gap-4">
-              <div className="flex-1 min-w-0">
-                <div className="flex items-center gap-2 mb-1">
-                  <h3 className="font-semibold text-gray-900 dark:text-white truncate">
-                    {feed.titre}
-                  </h3>
-                  <Badge color={feed.est_publie ? '#06c656' : '#9ca3af'}>
-                    {feed.est_publie ? 'Publié' : 'Brouillon'}
-                  </Badge>
-                </div>
-                <p className="text-sm text-gray-500 dark:text-gray-400">
-                  /{feed.slug} · Ordre: {feed.ordre}
-                </p>
-              </div>
-              <div className="flex items-center gap-2 shrink-0">
-                <button
-                  onClick={() => openEdit(feed)}
-                  className="p-2 rounded-lg hover:bg-gray-100 dark:hover:bg-gray-800 transition-colors"
-                  title="Modifier"
-                >
-                  <Edit2 size={16} className="text-gray-500" />
-                </button>
-                <button
-                  onClick={() => handleDelete(feed.id)}
-                  className="p-2 rounded-lg hover:bg-red-50 dark:hover:bg-red-950/30 transition-colors"
-                  title="Supprimer"
-                >
-                  <Trash2 size={16} className="text-red-500" />
-                </button>
-              </div>
-            </Card>
-          ))}
+        <div className="fr-table fr-table--bordered">
+          <table>
+            <thead>
+              <tr>
+                <th scope="col">Titre</th>
+                <th scope="col">Slug</th>
+                <th scope="col">Ordre</th>
+                <th scope="col">Statut</th>
+                <th scope="col">Actions</th>
+              </tr>
+            </thead>
+            <tbody>
+              {feeds.map((feed) => (
+                <tr key={feed.id}>
+                  <td>{feed.titre}</td>
+                  <td>/{feed.slug}</td>
+                  <td>{feed.ordre}</td>
+                  <td>
+                    <span className={`fr-badge fr-badge--sm ${feed.est_publie ? 'fr-badge--success' : 'fr-badge--info'}`}>
+                      {feed.est_publie ? 'Publié' : 'Brouillon'}
+                    </span>
+                  </td>
+                  <td>
+                    <ul className="fr-btns-group fr-btns-group--inline fr-btns-group--sm">
+                      <li>
+                        <button
+                          type="button"
+                          onClick={() => openEdit(feed)}
+                          className="fr-btn fr-btn--sm fr-btn--tertiary fr-btn--icon-left fr-icon-edit-line"
+                          title="Modifier"
+                        >
+                          Modifier
+                        </button>
+                      </li>
+                      <li>
+                        <button
+                          type="button"
+                          onClick={() => handleDelete(feed.id)}
+                          className="fr-btn fr-btn--sm fr-btn--tertiary fr-btn--icon-left fr-icon-delete-line"
+                          title="Supprimer"
+                        >
+                          Supprimer
+                        </button>
+                      </li>
+                    </ul>
+                  </td>
+                </tr>
+              ))}
+            </tbody>
+          </table>
         </div>
       )}
 
       {/* Modal création/édition */}
       <Modal isOpen={modalOpen} onClose={() => setModalOpen(false)} title={editingFeed ? 'Modifier l\'article' : 'Nouvel article'} size="lg">
-        <form onSubmit={handleSubmit} className="space-y-4">
+        <form onSubmit={handleSubmit} className="fr-mt-2w">
           <Input
             label="Titre"
             value={form.titre}
             onChange={(e) => setForm({ ...form, titre: e.target.value })}
             required
           />
-          <div>
-            <label className="block text-sm font-medium text-gray-700 dark:text-gray-300 mb-1.5">
+          <div className="fr-input-group">
+            <label className="fr-label" htmlFor="feed-contenu">
               Contenu (HTML)
             </label>
             <textarea
+              id="feed-contenu"
+              className="fr-input"
               value={form.contenu}
               onChange={(e) => setForm({ ...form, contenu: e.target.value })}
               rows={10}
               required
-              className="w-full rounded-xl border border-gray-300 dark:border-gray-700 bg-white dark:bg-gray-900 text-gray-900 dark:text-gray-100 px-4 py-3 focus:outline-none focus:ring-2 focus:ring-candlelight-500 font-mono text-sm resize-none"
             />
           </div>
           <Input
@@ -183,40 +195,47 @@ export default function AdminContenusPage() {
             value={form.image_url}
             onChange={(e) => setForm({ ...form, image_url: e.target.value })}
           />
-          <div className="grid grid-cols-2 gap-4">
-            <div>
-              <label className="block text-sm font-medium text-gray-700 dark:text-gray-300 mb-1.5">
-                Ordre d&apos;affichage
-              </label>
-              <input
-                type="number"
-                value={form.ordre}
-                onChange={(e) => setForm({ ...form, ordre: parseInt(e.target.value) || 0 })}
-                className="w-full rounded-xl border border-gray-300 dark:border-gray-700 bg-white dark:bg-gray-900 text-gray-900 dark:text-gray-100 px-4 py-2.5 focus:outline-none focus:ring-2 focus:ring-candlelight-500"
-              />
+          <div className="fr-grid-row fr-grid-row--gutters">
+            <div className="fr-col-6">
+              <div className="fr-input-group">
+                <label className="fr-label" htmlFor="feed-ordre">
+                  Ordre d&apos;affichage
+                </label>
+                <input
+                  id="feed-ordre"
+                  type="number"
+                  className="fr-input"
+                  value={form.ordre}
+                  onChange={(e) => setForm({ ...form, ordre: parseInt(e.target.value) || 0 })}
+                />
+              </div>
             </div>
-            <div className="flex items-end pb-1">
-              <label className="flex items-center gap-2 cursor-pointer">
+            <div className="fr-col-6">
+              <div className="fr-checkbox-group">
                 <input
                   type="checkbox"
+                  id="feed-publie"
                   checked={form.est_publie}
                   onChange={(e) => setForm({ ...form, est_publie: e.target.checked })}
-                  className="w-4 h-4 rounded border-gray-300 text-malachite-500 focus:ring-malachite-500"
                 />
-                <span className="text-sm font-medium text-gray-700 dark:text-gray-300">
+                <label className="fr-label" htmlFor="feed-publie">
                   Publié
-                </span>
-              </label>
+                </label>
+              </div>
             </div>
           </div>
-          <div className="flex gap-3 pt-2">
-            <Button type="submit" loading={formLoading}>
-              {editingFeed ? 'Mettre à jour' : 'Créer'}
-            </Button>
-            <Button variant="ghost" onClick={() => setModalOpen(false)}>
-              Annuler
-            </Button>
-          </div>
+          <ul className="fr-btns-group fr-btns-group--inline fr-mt-2w">
+            <li>
+              <Button type="submit" loading={formLoading}>
+                {editingFeed ? 'Mettre à jour' : 'Créer'}
+              </Button>
+            </li>
+            <li>
+              <Button variant="ghost" onClick={() => setModalOpen(false)}>
+                Annuler
+              </Button>
+            </li>
+          </ul>
         </form>
       </Modal>
     </div>
diff --git a/frontend/src/app/(admin)/admin/dashboard/page.tsx b/frontend/src/app/(admin)/admin/dashboard/page.tsx
index 6d4f564..2d1a3a6 100644
--- a/frontend/src/app/(admin)/admin/dashboard/page.tsx
+++ b/frontend/src/app/(admin)/admin/dashboard/page.tsx
@@ -2,8 +2,6 @@
 
 import { useEffect, useState } from 'react';
 import Link from 'next/link';
-import { Users, FileText, Heart } from 'lucide-react';
-import Card from '@/components/ui/Card';
 import api from '@/lib/api';
 
 interface AdminStats {
@@ -41,86 +39,63 @@ export default function AdminDashboardPage() {
   }, []);
 
   const statCards = [
-    {
-      label: 'Utilisateurs',
-      value: stats?.total_utilisateurs || 0,
-      icon: <Users size={24} />,
-      color: 'text-blue-500',
-      bg: 'bg-blue-50 dark:bg-blue-950/30',
-    },
-    {
-      label: 'Articles',
-      value: stats?.total_feeds || 0,
-      icon: <FileText size={24} />,
-      color: 'text-malachite-500',
-      bg: 'bg-malachite-50 dark:bg-malachite-950/30',
-    },
-    {
-      label: 'Émotions',
-      value: stats?.total_emotions || 0,
-      icon: <Heart size={24} />,
-      color: 'text-candlelight-500',
-      bg: 'bg-candlelight-50 dark:bg-candlelight-950/30',
-    },
+    { label: 'Utilisateurs', value: stats?.total_utilisateurs || 0, icon: 'fr-icon-user-line' },
+    { label: 'Articles', value: stats?.total_feeds || 0, icon: 'fr-icon-article-line' },
+    { label: 'Émotions', value: stats?.total_emotions || 0, icon: 'fr-icon-heart-line' },
+  ];
+
+  const quickActions = [
+    { href: '/admin/utilisateurs', icon: 'fr-icon-user-line', label: 'Gérer les utilisateurs' },
+    { href: '/admin/contenus', icon: 'fr-icon-article-line', label: 'Gérer les contenus' },
+    { href: '/admin/emotions', icon: 'fr-icon-heart-line', label: 'Gérer les émotions' },
   ];
 
   return (
     <div>
-      <div className="mb-8">
-        <h1 className="font-display text-3xl font-bold text-gray-900 dark:text-white mb-2">
-          Administration
-        </h1>
-        <p className="text-gray-500 dark:text-gray-400">
-          Vue d&apos;ensemble de la plateforme CESIZen
-        </p>
-      </div>
+      <h1>Administration</h1>
+      <p className="fr-text--lead fr-mb-4w">
+        Vue d&apos;ensemble de la plateforme CESIZen
+      </p>
 
-      <div className="grid sm:grid-cols-3 gap-6 mb-8">
+      <div className="fr-grid-row fr-grid-row--gutters fr-mb-4w">
         {statCards.map((card) => (
-          <Card key={card.label}>
-            <div className="flex items-center gap-4">
-              <div className={`w-14 h-14 rounded-xl ${card.bg} flex items-center justify-center ${card.color}`}>
-                {card.icon}
-              </div>
-              <div>
-                <p className="text-sm text-gray-500 dark:text-gray-400">{card.label}</p>
-                <p className="text-3xl font-bold text-gray-900 dark:text-white">
-                  {loading ? '...' : card.value}
-                </p>
+          <div className="fr-col-12 fr-col-md-4" key={card.label}>
+            <div className="fr-tile fr-tile--horizontal">
+              <div className="fr-tile__body">
+                <div className="fr-tile__content">
+                  <h2 className="fr-tile__title">
+                    <span className={`${card.icon} fr-mr-1w`} aria-hidden="true" />
+                    {card.label}
+                  </h2>
+                  <p className="fr-tile__detail fr-text--bold fr-display--xs">
+                    {loading ? '…' : card.value}
+                  </p>
+                </div>
               </div>
             </div>
-          </Card>
+          </div>
         ))}
       </div>
 
-      <Card>
-        <h2 className="font-display text-lg font-semibold text-gray-900 dark:text-white mb-4">
-          Actions rapides
-        </h2>
-        <div className="grid sm:grid-cols-3 gap-4">
-          <Link
-            href="/admin/utilisateurs"
-            className="flex items-center gap-3 p-4 rounded-xl hover:bg-gray-50 dark:hover:bg-gray-800 transition-colors"
-          >
-            <Users size={20} className="text-blue-500" />
-            <span className="font-medium text-gray-700 dark:text-gray-300">Gérer les utilisateurs</span>
-          </Link>
-          <Link
-            href="/admin/contenus"
-            className="flex items-center gap-3 p-4 rounded-xl hover:bg-gray-50 dark:hover:bg-gray-800 transition-colors"
-          >
-            <FileText size={20} className="text-malachite-500" />
-            <span className="font-medium text-gray-700 dark:text-gray-300">Gérer les contenus</span>
-          </Link>
-          <Link
-            href="/admin/emotions"
-            className="flex items-center gap-3 p-4 rounded-xl hover:bg-gray-50 dark:hover:bg-gray-800 transition-colors"
-          >
-            <Heart size={20} className="text-candlelight-500" />
-            <span className="font-medium text-gray-700 dark:text-gray-300">Gérer les émotions</span>
-          </Link>
-        </div>
-      </Card>
+      <h2>Actions rapides</h2>
+      <div className="fr-grid-row fr-grid-row--gutters">
+        {quickActions.map((action) => (
+          <div className="fr-col-12 fr-col-md-4" key={action.href}>
+            <div className="fr-tile fr-tile--horizontal fr-enlarge-link">
+              <div className="fr-tile__body">
+                <div className="fr-tile__content">
+                  <h3 className="fr-tile__title">
+                    <Link href={action.href}>
+                      <span className={`${action.icon} fr-mr-1w`} aria-hidden="true" />
+                      {action.label}
+                    </Link>
+                  </h3>
+                </div>
+              </div>
+            </div>
+          </div>
+        ))}
+      </div>
     </div>
   );
 }
diff --git a/frontend/src/app/(admin)/admin/emotions/page.tsx b/frontend/src/app/(admin)/admin/emotions/page.tsx
index 6ab69b0..50a80a4 100644
--- a/frontend/src/app/(admin)/admin/emotions/page.tsx
+++ b/frontend/src/app/(admin)/admin/emotions/page.tsx
@@ -1,13 +1,10 @@
 'use client';
 
 import { useEffect, useState } from 'react';
-import { Plus, Edit2, Trash2 } from 'lucide-react';
 import api from '@/lib/api';
 import type { Emotion } from '@/types';
-import Card from '@/components/ui/Card';
 import Button from '@/components/ui/Button';
 import Input from '@/components/ui/Input';
-import Badge from '@/components/ui/Badge';
 import Modal from '@/components/ui/Modal';
 import toast from 'react-hot-toast';
 
@@ -100,193 +97,268 @@ export default function AdminEmotionsPage() {
     }
   };
 
+  const colorSwatch = (couleur: string) => (
+    <span
+      aria-hidden="true"
+      style={{
+        display: 'inline-block',
+        width: '1rem',
+        height: '1rem',
+        borderRadius: '50%',
+        backgroundColor: couleur,
+        verticalAlign: 'middle',
+        marginRight: '0.5rem',
+      }}
+    />
+  );
+
   return (
     <div>
-      <div className="flex flex-col sm:flex-row sm:items-center sm:justify-between gap-4 mb-6">
-        <div>
-          <h1 className="font-display text-3xl font-bold text-gray-900 dark:text-white mb-1">
-            Émotions
-          </h1>
-          <p className="text-gray-500 dark:text-gray-400">
-            Gérez le catalogue des émotions disponibles
+      <div className="fr-grid-row fr-grid-row--middle fr-grid-row--gutters fr-mb-4w">
+        <div className="fr-col">
+          <h1 className="fr-mb-1v">Émotions</h1>
+          <p className="fr-text--sm fr-mb-0">
+            Gérez le catalogue des émotions disponibles (2 niveaux)
           </p>
         </div>
-        <Button onClick={() => openCreate()} size="sm">
-          <Plus size={16} />
-          Nouvelle émotion
-        </Button>
+        <div className="fr-col-auto">
+          <button
+            type="button"
+            className="fr-btn fr-btn--icon-left fr-icon-add-line"
+            onClick={() => openCreate()}
+          >
+            Nouvelle émotion
+          </button>
+        </div>
       </div>
 
       {loading ? (
-        <div className="space-y-4">
-          {Array.from({ length: 4 }).map((_, i) => (
-            <Card key={i}>
-              <div className="h-6 bg-gray-100 dark:bg-gray-800 rounded animate-pulse w-32" />
-            </Card>
-          ))}
-        </div>
+        <p>Chargement…</p>
       ) : emotions.length === 0 ? (
-        <Card className="text-center py-12">
-          <p className="text-gray-400 dark:text-gray-600 mb-4">Aucune émotion</p>
-          <Button onClick={() => openCreate()} size="sm">Créer la première émotion</Button>
-        </Card>
+        <div className="fr-callout">
+          <p className="fr-callout__text">Aucune émotion pour le moment.</p>
+          <button type="button" className="fr-btn fr-btn--icon-left fr-icon-add-line" onClick={() => openCreate()}>
+            Créer la première émotion
+          </button>
+        </div>
       ) : (
-        <div className="space-y-4">
-          {parentEmotions.map((emotion) => (
-            <Card key={emotion.id}>
-              <div className="flex items-center gap-4 mb-3">
-                <div
-                  className="w-12 h-12 rounded-xl flex items-center justify-center text-2xl shrink-0"
-                  style={{ backgroundColor: `${emotion.couleur}20` }}
-                >
-                  {emotion.icone || '🔵'}
-                </div>
-                <div className="flex-1 min-w-0">
-                  <div className="flex items-center gap-2">
-                    <h3 className="font-semibold text-gray-900 dark:text-white">
-                      {emotion.nom}
-                    </h3>
-                    <Badge color={emotion.couleur}>{emotion.couleur}</Badge>
-                    {!emotion.est_actif && (
-                      <Badge color="#9ca3af">Inactif</Badge>
-                    )}
-                  </div>
-                  <p className="text-sm text-gray-400">Niveau 1</p>
-                </div>
-                <div className="flex items-center gap-1 shrink-0">
-                  <button
-                    onClick={() => openCreate(emotion.id)}
-                    className="p-2 rounded-lg hover:bg-gray-100 dark:hover:bg-gray-800 transition-colors"
-                    title="Ajouter sous-émotion"
-                  >
-                    <Plus size={16} className="text-malachite-500" />
-                  </button>
-                  <button
-                    onClick={() => openEdit(emotion)}
-                    className="p-2 rounded-lg hover:bg-gray-100 dark:hover:bg-gray-800 transition-colors"
-                    title="Modifier"
-                  >
-                    <Edit2 size={16} className="text-gray-500" />
-                  </button>
-                  <button
-                    onClick={() => handleDelete(emotion.id)}
-                    className="p-2 rounded-lg hover:bg-red-50 dark:hover:bg-red-950/30 transition-colors"
-                    title="Supprimer"
-                  >
-                    <Trash2 size={16} className="text-red-500" />
-                  </button>
-                </div>
-              </div>
-
-              {/* Sous-émotions */}
-              {emotion.enfants && emotion.enfants.length > 0 && (
-                <div className="ml-8 pl-4 border-l-2 border-gray-200 dark:border-gray-700 space-y-2">
-                  {emotion.enfants.map((child) => (
-                    <div key={child.id} className="flex items-center gap-3 p-2 rounded-lg hover:bg-gray-50 dark:hover:bg-gray-800/50 transition-colors">
-                      <span className="text-lg">{child.icone || '🔵'}</span>
-                      <span className="flex-1 text-sm font-medium text-gray-700 dark:text-gray-300">
-                        {child.nom}
-                      </span>
-                      <div
-                        className="w-4 h-4 rounded-full shrink-0"
-                        style={{ backgroundColor: child.couleur }}
-                      />
-                      {!child.est_actif && <Badge color="#9ca3af">Inactif</Badge>}
-                      <button
-                        onClick={() => openEdit(child)}
-                        className="p-1.5 rounded hover:bg-gray-100 dark:hover:bg-gray-800 transition-colors"
-                      >
-                        <Edit2 size={14} className="text-gray-400" />
-                      </button>
-                      <button
-                        onClick={() => handleDelete(child.id)}
-                        className="p-1.5 rounded hover:bg-red-50 dark:hover:bg-red-950/30 transition-colors"
-                      >
-                        <Trash2 size={14} className="text-red-400" />
-                      </button>
-                    </div>
-                  ))}
-                </div>
-              )}
-            </Card>
-          ))}
+        <div className="fr-table fr-table--bordered">
+          <table>
+            <thead>
+              <tr>
+                <th scope="col">Émotion</th>
+                <th scope="col">Niveau</th>
+                <th scope="col">Couleur</th>
+                <th scope="col">Statut</th>
+                <th scope="col">Actions</th>
+              </tr>
+            </thead>
+            <tbody>
+              {parentEmotions.map((emotion) => (
+                <FragmentRows
+                  key={emotion.id}
+                  emotion={emotion}
+                  colorSwatch={colorSwatch}
+                  onAddChild={openCreate}
+                  onEdit={openEdit}
+                  onDelete={handleDelete}
+                />
+              ))}
+            </tbody>
+          </table>
         </div>
       )}
 
       {/* Modal création/édition */}
       <Modal isOpen={modalOpen} onClose={() => setModalOpen(false)} title={editingEmotion ? 'Modifier l\'émotion' : 'Nouvelle émotion'}>
-        <form onSubmit={handleSubmit} className="space-y-4">
+        <form onSubmit={handleSubmit} className="fr-mt-2w">
           <Input
             label="Nom"
             value={form.nom}
             onChange={(e) => setForm({ ...form, nom: e.target.value })}
             required
           />
-          <div className="grid grid-cols-2 gap-4">
-            <div>
-              <label className="block text-sm font-medium text-gray-700 dark:text-gray-300 mb-1.5">
-                Couleur
-              </label>
-              <div className="flex items-center gap-3">
-                <input
-                  type="color"
-                  value={form.couleur}
-                  onChange={(e) => setForm({ ...form, couleur: e.target.value })}
-                  className="w-10 h-10 rounded-lg border border-gray-300 dark:border-gray-700 cursor-pointer"
-                />
-                <input
-                  type="text"
-                  value={form.couleur}
-                  onChange={(e) => setForm({ ...form, couleur: e.target.value })}
-                  className="flex-1 rounded-xl border border-gray-300 dark:border-gray-700 bg-white dark:bg-gray-900 text-gray-900 dark:text-gray-100 px-4 py-2.5 focus:outline-none focus:ring-2 focus:ring-candlelight-500 font-mono text-sm"
-                />
+          <div className="fr-grid-row fr-grid-row--gutters">
+            <div className="fr-col-6">
+              <div className="fr-input-group">
+                <label className="fr-label" htmlFor="emotion-couleur">Couleur</label>
+                <div className="fr-grid-row fr-grid-row--gutters fr-grid-row--bottom">
+                  <div className="fr-col-auto">
+                    <input
+                      id="emotion-couleur"
+                      type="color"
+                      value={form.couleur}
+                      onChange={(e) => setForm({ ...form, couleur: e.target.value })}
+                      style={{ width: '2.5rem', height: '2.5rem', border: 'none', padding: 0, cursor: 'pointer' }}
+                    />
+                  </div>
+                  <div className="fr-col">
+                    <input
+                      type="text"
+                      className="fr-input"
+                      value={form.couleur}
+                      onChange={(e) => setForm({ ...form, couleur: e.target.value })}
+                    />
+                  </div>
+                </div>
               </div>
             </div>
-            <Input
-              label="Icône (emoji)"
-              value={form.icone}
-              onChange={(e) => setForm({ ...form, icone: e.target.value })}
-              placeholder="😊"
-            />
+            <div className="fr-col-6">
+              <Input
+                label="Icône (emoji)"
+                value={form.icone}
+                onChange={(e) => setForm({ ...form, icone: e.target.value })}
+                placeholder="😊"
+              />
+            </div>
           </div>
           {form.niveau === 2 && (
-            <div>
-              <label className="block text-sm font-medium text-gray-700 dark:text-gray-300 mb-1.5">
-                Émotion parente
-              </label>
+            <div className="fr-select-group">
+              <label className="fr-label" htmlFor="emotion-parent">Émotion parente</label>
               <select
+                id="emotion-parent"
+                className="fr-select"
                 value={form.parent_id || ''}
                 onChange={(e) => setForm({ ...form, parent_id: Number(e.target.value) || null })}
-                className="w-full rounded-xl border border-gray-300 dark:border-gray-700 bg-white dark:bg-gray-900 text-gray-900 dark:text-gray-100 px-4 py-2.5 focus:outline-none focus:ring-2 focus:ring-candlelight-500"
               >
-                <option value="">Sélectionner...</option>
+                <option value="">Sélectionner…</option>
                 {parentEmotions.map((e) => (
                   <option key={e.id} value={e.id}>{e.icone} {e.nom}</option>
                 ))}
               </select>
             </div>
           )}
-          <label className="flex items-center gap-2 cursor-pointer">
+          <div className="fr-checkbox-group">
             <input
               type="checkbox"
+              id="emotion-actif"
               checked={form.est_actif}
               onChange={(e) => setForm({ ...form, est_actif: e.target.checked })}
-              className="w-4 h-4 rounded border-gray-300 text-malachite-500 focus:ring-malachite-500"
             />
-            <span className="text-sm font-medium text-gray-700 dark:text-gray-300">
+            <label className="fr-label" htmlFor="emotion-actif">
               Active
-            </span>
-          </label>
-          <div className="flex gap-3 pt-2">
-            <Button type="submit" loading={formLoading}>
-              {editingEmotion ? 'Mettre à jour' : 'Créer'}
-            </Button>
-            <Button variant="ghost" onClick={() => setModalOpen(false)}>
-              Annuler
-            </Button>
+            </label>
           </div>
+          <ul className="fr-btns-group fr-btns-group--inline fr-mt-2w">
+            <li>
+              <Button type="submit" loading={formLoading}>
+                {editingEmotion ? 'Mettre à jour' : 'Créer'}
+              </Button>
+            </li>
+            <li>
+              <Button variant="ghost" onClick={() => setModalOpen(false)}>
+                Annuler
+              </Button>
+            </li>
+          </ul>
         </form>
       </Modal>
     </div>
   );
 }
+
+function FragmentRows({
+  emotion,
+  colorSwatch,
+  onAddChild,
+  onEdit,
+  onDelete,
+}: {
+  emotion: Emotion;
+  colorSwatch: (couleur: string) => React.ReactNode;
+  onAddChild: (parentId?: number) => void;
+  onEdit: (emotion: Emotion) => void;
+  onDelete: (id: number) => void;
+}) {
+  return (
+    <>
+      <tr>
+        <td>
+          <span className="fr-mr-1w" aria-hidden="true">{emotion.icone || '🔵'}</span>
+          <strong>{emotion.nom}</strong>
+        </td>
+        <td><span className="fr-badge fr-badge--sm">Niveau 1</span></td>
+        <td>{colorSwatch(emotion.couleur)}<span className="fr-text--xs">{emotion.couleur}</span></td>
+        <td>
+          <span className={`fr-badge fr-badge--sm ${emotion.est_actif ? 'fr-badge--success' : 'fr-badge--error'}`}>
+            {emotion.est_actif ? 'Active' : 'Inactive'}
+          </span>
+        </td>
+        <td>
+          <ul className="fr-btns-group fr-btns-group--inline fr-btns-group--sm">
+            <li>
+              <button
+                type="button"
+                onClick={() => onAddChild(emotion.id)}
+                className="fr-btn fr-btn--sm fr-btn--tertiary fr-btn--icon-left fr-icon-add-line"
+                title="Ajouter une sous-émotion"
+              >
+                Sous-émotion
+              </button>
+            </li>
+            <li>
+              <button
+                type="button"
+                onClick={() => onEdit(emotion)}
+                className="fr-btn fr-btn--sm fr-btn--tertiary fr-btn--icon-left fr-icon-edit-line"
+                title="Modifier"
+              >
+                Modifier
+              </button>
+            </li>
+            <li>
+              <button
+                type="button"
+                onClick={() => onDelete(emotion.id)}
+                className="fr-btn fr-btn--sm fr-btn--tertiary fr-btn--icon-left fr-icon-delete-line"
+                title="Supprimer"
+              >
+                Supprimer
+              </button>
+            </li>
+          </ul>
+        </td>
+      </tr>
+      {emotion.enfants?.map((child) => (
+        <tr key={child.id}>
+          <td>
+            <span className="fr-icon-arrow-right-line fr-icon--sm fr-mr-1w" aria-hidden="true" />
+            <span className="fr-mr-1w" aria-hidden="true">{child.icone || '🔵'}</span>
+            {child.nom}
+          </td>
+          <td><span className="fr-badge fr-badge--sm fr-badge--info">Niveau 2</span></td>
+          <td>{colorSwatch(child.couleur)}<span className="fr-text--xs">{child.couleur}</span></td>
+          <td>
+            <span className={`fr-badge fr-badge--sm ${child.est_actif ? 'fr-badge--success' : 'fr-badge--error'}`}>
+              {child.est_actif ? 'Active' : 'Inactive'}
+            </span>
+          </td>
+          <td>
+            <ul className="fr-btns-group fr-btns-group--inline fr-btns-group--sm">
+              <li>
+                <button
+                  type="button"
+                  onClick={() => onEdit(child)}
+                  className="fr-btn fr-btn--sm fr-btn--tertiary fr-btn--icon-left fr-icon-edit-line"
+                  title="Modifier"
+                >
+                  Modifier
+                </button>
+              </li>
+              <li>
+                <button
+                  type="button"
+                  onClick={() => onDelete(child.id)}
+                  className="fr-btn fr-btn--sm fr-btn--tertiary fr-btn--icon-left fr-icon-delete-line"
+                  title="Supprimer"
+                >
+                  Supprimer
+                </button>
+              </li>
+            </ul>
+          </td>
+        </tr>
+      ))}
+    </>
+  );
+}
diff --git a/frontend/src/app/(admin)/admin/utilisateurs/page.tsx b/frontend/src/app/(admin)/admin/utilisateurs/page.tsx
index 390cd8a..e1439a5 100644
--- a/frontend/src/app/(admin)/admin/utilisateurs/page.tsx
+++ b/frontend/src/app/(admin)/admin/utilisateurs/page.tsx
@@ -1,13 +1,10 @@
 'use client';
 
 import { useEffect, useState } from 'react';
-import { Search, UserCheck, UserX, Trash2, Plus } from 'lucide-react';
 import api from '@/lib/api';
 import type { Utilisateur } from '@/types';
-import Card from '@/components/ui/Card';
 import Button from '@/components/ui/Button';
 import Input from '@/components/ui/Input';
-import Badge from '@/components/ui/Badge';
 import Modal from '@/components/ui/Modal';
 import toast from 'react-hot-toast';
 
@@ -76,145 +73,153 @@ export default function AdminUtilisateursPage() {
     `${u.prenom} ${u.nom} ${u.email}`.toLowerCase().includes(search.toLowerCase())
   );
 
-  const roleColor = (nom: string) => {
+  const roleBadgeClass = (nom?: string) => {
     switch (nom) {
-      case 'administrateur': return '#ef4444';
-      case 'membre': return '#06c656';
-      default: return '#9ca3af';
+      case 'administrateur': return 'fr-badge fr-badge--error';
+      case 'membre': return 'fr-badge fr-badge--success';
+      default: return 'fr-badge';
     }
   };
 
   return (
     <div>
-      <div className="flex flex-col sm:flex-row sm:items-center sm:justify-between gap-4 mb-6">
-        <div>
-          <h1 className="font-display text-3xl font-bold text-gray-900 dark:text-white mb-1">
-            Utilisateurs
-          </h1>
-          <p className="text-gray-500 dark:text-gray-400">
+      <div className="fr-grid-row fr-grid-row--middle fr-grid-row--gutters fr-mb-4w">
+        <div className="fr-col">
+          <h1 className="fr-mb-1v">Utilisateurs</h1>
+          <p className="fr-text--sm fr-mb-0">
             {utilisateurs.length} utilisateur{utilisateurs.length > 1 ? 's' : ''} enregistré{utilisateurs.length > 1 ? 's' : ''}
           </p>
         </div>
-        <Button onClick={() => setCreateModalOpen(true)} size="sm">
-          <Plus size={16} />
-          Nouvel utilisateur
-        </Button>
+        <div className="fr-col-auto">
+          <button
+            type="button"
+            className="fr-btn fr-btn--icon-left fr-icon-add-line"
+            onClick={() => setCreateModalOpen(true)}
+          >
+            Nouvel utilisateur
+          </button>
+        </div>
       </div>
 
       {/* Recherche */}
-      <div className="mb-6">
-        <Input
-          placeholder="Rechercher un utilisateur..."
-          icon={<Search size={18} />}
+      <div className="fr-search-bar fr-mb-4w" role="search">
+        <label className="fr-label" htmlFor="recherche-utilisateur">
+          Rechercher un utilisateur
+        </label>
+        <input
+          className="fr-input"
+          id="recherche-utilisateur"
+          type="search"
+          placeholder="Rechercher un utilisateur…"
           value={search}
           onChange={(e) => setSearch(e.target.value)}
         />
+        <button type="button" className="fr-btn" title="Rechercher">
+          Rechercher
+        </button>
       </div>
 
       {/* Table */}
-      <Card className="overflow-hidden p-0">
-        <div className="overflow-x-auto">
-          <table className="w-full">
-            <thead>
-              <tr className="bg-gray-50 dark:bg-gray-800/50 border-b border-gray-200 dark:border-gray-700">
-                <th className="text-left px-6 py-3 text-xs font-semibold text-gray-500 dark:text-gray-400 uppercase">Utilisateur</th>
-                <th className="text-left px-6 py-3 text-xs font-semibold text-gray-500 dark:text-gray-400 uppercase">Email</th>
-                <th className="text-left px-6 py-3 text-xs font-semibold text-gray-500 dark:text-gray-400 uppercase">Rôle</th>
-                <th className="text-left px-6 py-3 text-xs font-semibold text-gray-500 dark:text-gray-400 uppercase">Statut</th>
-                <th className="text-right px-6 py-3 text-xs font-semibold text-gray-500 dark:text-gray-400 uppercase">Actions</th>
+      <div className="fr-table fr-table--bordered">
+        <table>
+          <thead>
+            <tr>
+              <th scope="col">Utilisateur</th>
+              <th scope="col">Email</th>
+              <th scope="col">Rôle</th>
+              <th scope="col">Statut</th>
+              <th scope="col">Actions</th>
+            </tr>
+          </thead>
+          <tbody>
+            {loading ? (
+              <tr>
+                <td colSpan={5}>Chargement…</td>
               </tr>
-            </thead>
-            <tbody className="divide-y divide-gray-100 dark:divide-gray-800">
-              {loading ? (
-                Array.from({ length: 5 }).map((_, i) => (
-                  <tr key={i}>
-                    <td colSpan={5} className="px-6 py-4">
-                      <div className="h-4 bg-gray-100 dark:bg-gray-800 rounded animate-pulse" />
-                    </td>
-                  </tr>
-                ))
-              ) : filtered.length === 0 ? (
-                <tr>
-                  <td colSpan={5} className="px-6 py-8 text-center text-gray-400">
-                    Aucun utilisateur trouvé
+            ) : filtered.length === 0 ? (
+              <tr>
+                <td colSpan={5}>Aucun utilisateur trouvé</td>
+              </tr>
+            ) : (
+              filtered.map((user) => (
+                <tr key={user.id}>
+                  <td>{user.prenom} {user.nom}</td>
+                  <td>{user.email}</td>
+                  <td>
+                    <span className={roleBadgeClass(user.role?.nom)}>
+                      {user.role?.nom || 'N/A'}
+                    </span>
                   </td>
-                </tr>
-              ) : (
-                filtered.map((user) => (
-                  <tr key={user.id} className="hover:bg-gray-50 dark:hover:bg-gray-800/30 transition-colors">
-                    <td className="px-6 py-4">
-                      <span className="font-medium text-gray-900 dark:text-white">
-                        {user.prenom} {user.nom}
-                      </span>
-                    </td>
-                    <td className="px-6 py-4 text-sm text-gray-500 dark:text-gray-400">
-                      {user.email}
-                    </td>
-                    <td className="px-6 py-4">
-                      <Badge color={roleColor(user.role?.nom)}>
-                        {user.role?.nom || 'N/A'}
-                      </Badge>
-                    </td>
-                    <td className="px-6 py-4">
-                      <span className={`inline-flex items-center gap-1.5 text-sm ${user.est_actif ? 'text-malachite-600' : 'text-red-500'}`}>
-                        <span className={`w-2 h-2 rounded-full ${user.est_actif ? 'bg-malachite-500' : 'bg-red-500'}`} />
-                        {user.est_actif ? 'Actif' : 'Inactif'}
-                      </span>
-                    </td>
-                    <td className="px-6 py-4">
-                      <div className="flex items-center justify-end gap-1">
+                  <td>
+                    <span className={`fr-badge fr-badge--sm ${user.est_actif ? 'fr-badge--success' : 'fr-badge--error'}`}>
+                      {user.est_actif ? 'Actif' : 'Inactif'}
+                    </span>
+                  </td>
+                  <td>
+                    <ul className="fr-btns-group fr-btns-group--inline fr-btns-group--sm">
+                      <li>
                         <button
+                          type="button"
                           onClick={() => handleToggleActive(user.id)}
-                          className="p-2 rounded-lg hover:bg-gray-100 dark:hover:bg-gray-800 transition-colors"
+                          className={`fr-btn fr-btn--sm fr-btn--tertiary fr-btn--icon-left ${user.est_actif ? 'fr-icon-close-circle-line' : 'fr-icon-checkbox-circle-line'}`}
                           title={user.est_actif ? 'Désactiver' : 'Activer'}
                         >
-                          {user.est_actif
-                            ? <UserX size={16} className="text-red-500" />
-                            : <UserCheck size={16} className="text-malachite-500" />
-                          }
+                          {user.est_actif ? 'Désactiver' : 'Activer'}
                         </button>
+                      </li>
+                      <li>
                         <button
+                          type="button"
                           onClick={() => handleDelete(user.id)}
-                          className="p-2 rounded-lg hover:bg-red-50 dark:hover:bg-red-950/30 transition-colors"
+                          className="fr-btn fr-btn--sm fr-btn--tertiary fr-btn--icon-left fr-icon-delete-line"
                           title="Supprimer"
                         >
-                          <Trash2 size={16} className="text-red-500" />
+                          Supprimer
                         </button>
-                      </div>
-                    </td>
-                  </tr>
-                ))
-              )}
-            </tbody>
-          </table>
-        </div>
-      </Card>
+                      </li>
+                    </ul>
+                  </td>
+                </tr>
+              ))
+            )}
+          </tbody>
+        </table>
+      </div>
 
       {/* Modal création */}
       <Modal isOpen={createModalOpen} onClose={() => setCreateModalOpen(false)} title="Nouvel utilisateur">
-        <form onSubmit={handleCreate} className="space-y-4">
-          <div className="grid grid-cols-2 gap-4">
-            <Input label="Prénom" value={newUser.prenom} onChange={(e) => setNewUser({ ...newUser, prenom: e.target.value })} required />
-            <Input label="Nom" value={newUser.nom} onChange={(e) => setNewUser({ ...newUser, nom: e.target.value })} required />
+        <form onSubmit={handleCreate} className="fr-mt-2w">
+          <div className="fr-grid-row fr-grid-row--gutters">
+            <div className="fr-col-6">
+              <Input label="Prénom" value={newUser.prenom} onChange={(e) => setNewUser({ ...newUser, prenom: e.target.value })} required />
+            </div>
+            <div className="fr-col-6">
+              <Input label="Nom" value={newUser.nom} onChange={(e) => setNewUser({ ...newUser, nom: e.target.value })} required />
+            </div>
           </div>
           <Input label="Email" type="email" value={newUser.email} onChange={(e) => setNewUser({ ...newUser, email: e.target.value })} required />
           <Input label="Mot de passe" type="password" value={newUser.password} onChange={(e) => setNewUser({ ...newUser, password: e.target.value })} required />
           <Input label="Confirmer" type="password" value={newUser.password_confirmation} onChange={(e) => setNewUser({ ...newUser, password_confirmation: e.target.value })} required />
-          <div>
-            <label className="block text-sm font-medium text-gray-700 dark:text-gray-300 mb-1.5">Rôle</label>
+          <div className="fr-select-group">
+            <label className="fr-label" htmlFor="role-select">Rôle</label>
             <select
+              id="role-select"
+              className="fr-select"
               value={newUser.role_id}
               onChange={(e) => setNewUser({ ...newUser, role_id: Number(e.target.value) })}
-              className="w-full rounded-xl border border-gray-300 dark:border-gray-700 bg-white dark:bg-gray-900 text-gray-900 dark:text-gray-100 px-4 py-2.5 focus:outline-none focus:ring-2 focus:ring-candlelight-500"
             >
               <option value={2}>Membre</option>
               <option value={3}>Administrateur</option>
             </select>
           </div>
-          <div className="flex gap-3 pt-2">
-            <Button type="submit" loading={formLoading}>Créer</Button>
-            <Button variant="ghost" onClick={() => setCreateModalOpen(false)}>Annuler</Button>
-          </div>
+          <ul className="fr-btns-group fr-btns-group--inline fr-mt-2w">
+            <li>
+              <Button type="submit" loading={formLoading}>Créer</Button>
+            </li>
+            <li>
+              <Button variant="ghost" onClick={() => setCreateModalOpen(false)}>Annuler</Button>
+            </li>
+          </ul>
         </form>
       </Modal>
     </div>
diff --git a/frontend/src/app/(admin)/layout.tsx b/frontend/src/app/(admin)/layout.tsx
index 6f132ee..70dd682 100644
--- a/frontend/src/app/(admin)/layout.tsx
+++ b/frontend/src/app/(admin)/layout.tsx
@@ -7,16 +7,18 @@ export default function AdminLayout({
   children: React.ReactNode;
 }) {
   return (
-    <div className="min-h-screen flex flex-col">
+    <>
       <Header />
-      <div className="flex flex-1">
-        <Sidebar />
-        <main className="flex-1 bg-gray-50 dark:bg-gray-950">
-          <div className="p-6 lg:p-8">
-            {children}
+      <div className="fr-container--fluid fr-py-4w">
+        <div className="fr-grid-row fr-grid-row--gutters">
+          <div className="fr-col-12 fr-col-md-3 fr-col-lg-2">
+            <Sidebar />
           </div>
-        </main>
+          <main className="fr-col-12 fr-col-md-9 fr-col-lg-10" id="contenu">
+            {children}
+          </main>
+        </div>
       </div>
-    </div>
+    </>
   );
 }
diff --git a/frontend/src/app/(auth)/connexion/page.tsx b/frontend/src/app/(auth)/connexion/page.tsx
index d5db484..0ca0354 100644
--- a/frontend/src/app/(auth)/connexion/page.tsx
+++ b/frontend/src/app/(auth)/connexion/page.tsx
@@ -3,7 +3,6 @@
 import { useState } from 'react';
 import Link from 'next/link';
 import { useRouter } from 'next/navigation';
-import { Eye, EyeOff, Mail, Lock } from 'lucide-react';
 import { useAuthStore } from '@/lib/auth-store';
 import toast from 'react-hot-toast';
 
@@ -14,10 +13,12 @@ export default function ConnexionPage() {
   const [password, setPassword] = useState('');
   const [showPassword, setShowPassword] = useState(false);
   const [loading, setLoading] = useState(false);
+  const [errorMessage, setErrorMessage] = useState('');
 
   const handleSubmit = async (e: React.FormEvent) => {
     e.preventDefault();
     setLoading(true);
+    setErrorMessage('');
 
     try {
       await login(email, password);
@@ -26,6 +27,7 @@ export default function ConnexionPage() {
     } catch (error: unknown) {
       const axiosError = error as import('axios').AxiosError<{ message?: string }>;
       const message = axiosError.response?.data?.message || 'Identifiants incorrects';
+      setErrorMessage(message);
       toast.error(message);
     } finally {
       setLoading(false);
@@ -33,91 +35,73 @@ export default function ConnexionPage() {
   };
 
   return (
-    <div className="min-h-screen flex items-center justify-center bg-linear-to-br from-candlelight-50 via-white to-malachite-50 dark:from-gray-950 dark:via-gray-900 dark:to-gray-950 px-4">
-      <div className="w-full max-w-md">
-        <div className="text-center mb-8">
-          <Link href="/" className="inline-block">
-            <h1 className="font-display text-4xl font-bold">
-              <span className="text-malachite-600 dark:text-malachite-400">CESI</span>
-              <span className="text-candlelight-500">ZEN</span>
-            </h1>
-          </Link>
-          <p className="text-gray-500 dark:text-gray-400 mt-2">Connectez-vous à votre compte</p>
+    <>
+      <h1>Connexion</h1>
+      <p className="fr-text--lead">Connectez-vous à votre compte CESIZen.</p>
+
+      {errorMessage && (
+        <div className="fr-alert fr-alert--error fr-alert--sm fr-mb-3w" role="alert">
+          <p>{errorMessage}</p>
+        </div>
+      )}
+
+      <form onSubmit={handleSubmit}>
+        <div className="fr-input-group">
+          <label className="fr-label" htmlFor="email">
+            Adresse email
+          </label>
+          <input
+            id="email"
+            type="email"
+            value={email}
+            onChange={(e) => setEmail(e.target.value)}
+            required
+            className="fr-input"
+            placeholder="vous@exemple.fr"
+            autoComplete="email"
+          />
         </div>
 
-        <div className="bg-white dark:bg-gray-900 rounded-2xl shadow-xl border border-gray-100 dark:border-gray-800 p-8">
-          <form onSubmit={handleSubmit} className="space-y-5">
-            <div>
-              <label htmlFor="email" className="block text-sm font-medium text-gray-700 dark:text-gray-300 mb-1.5">
-                Adresse email
-              </label>
-              <div className="relative">
-                <Mail className="absolute left-3 top-1/2 -translate-y-1/2 w-5 h-5 text-gray-400" />
-                <input
-                  id="email"
-                  type="email"
-                  value={email}
-                  onChange={(e) => setEmail(e.target.value)}
-                  required
-                  className="w-full pl-11 pr-4 py-3 rounded-xl border border-gray-200 dark:border-gray-700 bg-gray-50 dark:bg-gray-800 text-gray-900 dark:text-white focus:ring-2 focus:ring-candlelight-500 focus:border-transparent outline-none transition-all"
-                  placeholder="vous@exemple.fr"
-                />
-              </div>
-            </div>
-
-            <div>
-              <label htmlFor="password" className="block text-sm font-medium text-gray-700 dark:text-gray-300 mb-1.5">
-                Mot de passe
-              </label>
-              <div className="relative">
-                <Lock className="absolute left-3 top-1/2 -translate-y-1/2 w-5 h-5 text-gray-400" />
-                <input
-                  id="password"
-                  type={showPassword ? 'text' : 'password'}
-                  value={password}
-                  onChange={(e) => setPassword(e.target.value)}
-                  required
-                  className="w-full pl-11 pr-12 py-3 rounded-xl border border-gray-200 dark:border-gray-700 bg-gray-50 dark:bg-gray-800 text-gray-900 dark:text-white focus:ring-2 focus:ring-candlelight-500 focus:border-transparent outline-none transition-all"
-                  placeholder="Votre mot de passe"
-                />
-                <button
-                  type="button"
-                  onClick={() => setShowPassword(!showPassword)}
-                  className="absolute right-3 top-1/2 -translate-y-1/2 text-gray-400 hover:text-gray-600"
-                  aria-label={showPassword ? 'Masquer le mot de passe' : 'Afficher le mot de passe'}
-                >
-                  {showPassword ? <EyeOff className="w-5 h-5" /> : <Eye className="w-5 h-5" />}
-                </button>
-              </div>
-            </div>
-
-            <button
-              type="submit"
-              disabled={loading}
-              className="w-full bg-candlelight-500 hover:bg-candlelight-600 disabled:opacity-50 disabled:cursor-not-allowed text-black font-semibold py-3 rounded-xl transition-all duration-200 hover:shadow-lg"
-            >
-              {loading ? (
-                <span className="inline-flex items-center gap-2">
-                  <svg className="animate-spin w-5 h-5" viewBox="0 0 24 24" fill="none">
-                    <circle className="opacity-25" cx="12" cy="12" r="10" stroke="currentColor" strokeWidth="4" />
-                    <path className="opacity-75" fill="currentColor" d="M4 12a8 8 0 018-8V0C5.373 0 0 5.373 0 12h4z" />
-                  </svg>
-                  Connexion...
-                </span>
-              ) : (
-                'Se connecter'
-              )}
-            </button>
-          </form>
-
-          <div className="mt-6 text-center text-sm text-gray-500 dark:text-gray-400">
-            Pas encore de compte ?{' '}
-            <Link href="/inscription" className="text-malachite-600 dark:text-malachite-400 font-medium hover:underline">
-              Créer un compte
-            </Link>
+        <div className="fr-password" id="password-group">
+          <label className="fr-label" htmlFor="password">
+            Mot de passe
+          </label>
+          <div className="fr-input-wrap">
+            <input
+              id="password"
+              type={showPassword ? 'text' : 'password'}
+              value={password}
+              onChange={(e) => setPassword(e.target.value)}
+              required
+              className="fr-password__input fr-input"
+              placeholder="Votre mot de passe"
+              autoComplete="current-password"
+            />
+          </div>
+          <div className="fr-password__checkbox fr-checkbox-group fr-checkbox-group--sm">
+            <input
+              id="password-show"
+              type="checkbox"
+              checked={showPassword}
+              onChange={() => setShowPassword(!showPassword)}
+            />
+            <label className="fr-label" htmlFor="password-show">
+              Afficher le mot de passe
+            </label>
           </div>
         </div>
-      </div>
-    </div>
+
+        <button type="submit" disabled={loading} className="fr-btn fr-btn--lg">
+          {loading ? 'Connexion…' : 'Se connecter'}
+        </button>
+      </form>
+
+      <p className="fr-mt-4w">
+        Pas encore de compte ?{' '}
+        <Link href="/inscription" className="fr-link">
+          Créer un compte
+        </Link>
+      </p>
+    </>
   );
 }
diff --git a/frontend/src/app/(auth)/inscription/page.tsx b/frontend/src/app/(auth)/inscription/page.tsx
index faef1a7..4884cd9 100644
--- a/frontend/src/app/(auth)/inscription/page.tsx
+++ b/frontend/src/app/(auth)/inscription/page.tsx
@@ -3,7 +3,6 @@
 import { useState } from 'react';
 import Link from 'next/link';
 import { useRouter } from 'next/navigation';
-import { User, Mail, Lock, Eye, EyeOff } from 'lucide-react';
 import { useAuthStore } from '@/lib/auth-store';
 import toast from 'react-hot-toast';
 
@@ -50,174 +49,178 @@ export default function InscriptionPage() {
   };
 
   return (
-    <div className="min-h-screen flex items-center justify-center bg-linear-to-br from-candlelight-50 via-white to-malachite-50 dark:from-gray-950 dark:via-gray-900 dark:to-gray-950 px-4 py-12">
-      <div className="w-full max-w-md">
-        <div className="text-center mb-8">
-          <Link href="/" className="inline-block">
-            <h1 className="font-display text-4xl font-bold">
-              <span className="text-malachite-600 dark:text-malachite-400">CESI</span>
-              <span className="text-candlelight-500">ZEN</span>
-            </h1>
-          </Link>
-          <p className="text-gray-500 dark:text-gray-400 mt-2">Créez votre compte gratuitement</p>
-        </div>
+    <>
+      <h1>Créer un compte</h1>
+      <p className="fr-text--lead">Créez votre compte CESIZen gratuitement.</p>
 
-        <div className="bg-white dark:bg-gray-900 rounded-2xl shadow-xl border border-gray-100 dark:border-gray-800 p-8">
-          <form onSubmit={handleSubmit} className="space-y-4">
-            <div className="grid grid-cols-2 gap-4">
-              <div>
-                <label htmlFor="prenom" className="block text-sm font-medium text-gray-700 dark:text-gray-300 mb-1.5">
-                  Prénom
-                </label>
-                <div className="relative">
-                  <User className="absolute left-3 top-1/2 -translate-y-1/2 w-5 h-5 text-gray-400" />
-                  <input
-                    id="prenom"
-                    name="prenom"
-                    type="text"
-                    value={form.prenom}
-                    onChange={handleChange}
-                    required
-                    className="w-full pl-11 pr-4 py-3 rounded-xl border border-gray-200 dark:border-gray-700 bg-gray-50 dark:bg-gray-800 text-gray-900 dark:text-white focus:ring-2 focus:ring-candlelight-500 focus:border-transparent outline-none transition-all"
-                    placeholder="Jean"
-                  />
-                </div>
-                {errors.prenom && <p className="text-red-500 text-xs mt-1">{errors.prenom[0]}</p>}
-              </div>
-
-              <div>
-                <label htmlFor="nom" className="block text-sm font-medium text-gray-700 dark:text-gray-300 mb-1.5">
-                  Nom
-                </label>
-                <input
-                  id="nom"
-                  name="nom"
-                  type="text"
-                  value={form.nom}
-                  onChange={handleChange}
-                  required
-                  className="w-full px-4 py-3 rounded-xl border border-gray-200 dark:border-gray-700 bg-gray-50 dark:bg-gray-800 text-gray-900 dark:text-white focus:ring-2 focus:ring-candlelight-500 focus:border-transparent outline-none transition-all"
-                  placeholder="Dupont"
-                />
-                {errors.nom && <p className="text-red-500 text-xs mt-1">{errors.nom[0]}</p>}
-              </div>
-            </div>
-
-            <div>
-              <label htmlFor="email" className="block text-sm font-medium text-gray-700 dark:text-gray-300 mb-1.5">
-                Adresse email
+      <form onSubmit={handleSubmit}>
+        <div className="fr-grid-row fr-grid-row--gutters">
+          <div className="fr-col-12 fr-col-md-6">
+            <div className={`fr-input-group${errors.prenom ? ' fr-input-group--error' : ''}`}>
+              <label className="fr-label" htmlFor="prenom">
+                Prénom
               </label>
-              <div className="relative">
-                <Mail className="absolute left-3 top-1/2 -translate-y-1/2 w-5 h-5 text-gray-400" />
-                <input
-                  id="email"
-                  name="email"
-                  type="email"
-                  value={form.email}
-                  onChange={handleChange}
-                  required
-                  className="w-full pl-11 pr-4 py-3 rounded-xl border border-gray-200 dark:border-gray-700 bg-gray-50 dark:bg-gray-800 text-gray-900 dark:text-white focus:ring-2 focus:ring-candlelight-500 focus:border-transparent outline-none transition-all"
-                  placeholder="vous@exemple.fr"
-                />
-              </div>
-              {errors.email && <p className="text-red-500 text-xs mt-1">{errors.email[0]}</p>}
-            </div>
-
-            <div>
-              <label htmlFor="password" className="block text-sm font-medium text-gray-700 dark:text-gray-300 mb-1.5">
-                Mot de passe
-              </label>
-              <div className="relative">
-                <Lock className="absolute left-3 top-1/2 -translate-y-1/2 w-5 h-5 text-gray-400" />
-                <input
-                  id="password"
-                  name="password"
-                  type={showPassword ? 'text' : 'password'}
-                  value={form.password}
-                  onChange={handleChange}
-                  required
-                  minLength={8}
-                  className="w-full pl-11 pr-12 py-3 rounded-xl border border-gray-200 dark:border-gray-700 bg-gray-50 dark:bg-gray-800 text-gray-900 dark:text-white focus:ring-2 focus:ring-candlelight-500 focus:border-transparent outline-none transition-all"
-                  placeholder="Minimum 8 caractères"
-                />
-                <button
-                  type="button"
-                  onClick={() => setShowPassword(!showPassword)}
-                  className="absolute right-3 top-1/2 -translate-y-1/2 text-gray-400 hover:text-gray-600"
-                  aria-label={showPassword ? 'Masquer le mot de passe' : 'Afficher le mot de passe'}
-                >
-                  {showPassword ? <EyeOff className="w-5 h-5" /> : <Eye className="w-5 h-5" />}
-                </button>
-              </div>
-              {errors.password && <p className="text-red-500 text-xs mt-1">{errors.password[0]}</p>}
-            </div>
-
-            <div>
-              <label htmlFor="password_confirmation" className="block text-sm font-medium text-gray-700 dark:text-gray-300 mb-1.5">
-                Confirmer le mot de passe
-              </label>
-              <div className="relative">
-                <Lock className="absolute left-3 top-1/2 -translate-y-1/2 w-5 h-5 text-gray-400" />
-                <input
-                  id="password_confirmation"
-                  name="password_confirmation"
-                  type={showPassword ? 'text' : 'password'}
-                  value={form.password_confirmation}
-                  onChange={handleChange}
-                  required
-                  className="w-full pl-11 pr-4 py-3 rounded-xl border border-gray-200 dark:border-gray-700 bg-gray-50 dark:bg-gray-800 text-gray-900 dark:text-white focus:ring-2 focus:ring-candlelight-500 focus:border-transparent outline-none transition-all"
-                  placeholder="Retapez votre mot de passe"
-                />
-              </div>
-            </div>
-
-            <div className="flex items-start gap-3 pt-2">
               <input
-                id="consentement_rgpd"
-                name="consentement_rgpd"
-                type="checkbox"
-                checked={form.consentement_rgpd}
+                id="prenom"
+                name="prenom"
+                type="text"
+                value={form.prenom}
                 onChange={handleChange}
                 required
-                className="mt-1 w-4 h-4 rounded border-gray-300 text-candlelight-500 focus:ring-candlelight-500"
+                className="fr-input"
+                placeholder="Jean"
+                aria-describedby={errors.prenom ? 'prenom-error' : undefined}
               />
-              <label htmlFor="consentement_rgpd" className="text-sm text-gray-600 dark:text-gray-400">
-                J&apos;accepte le traitement de mes données personnelles conformément à la{' '}
-                <Link href="/politique-de-confidentialite" className="text-malachite-600 dark:text-malachite-400 hover:underline">
-                  politique de confidentialité
-                </Link>
-                . Mes données sont chiffrées et je peux supprimer mon compte à tout moment.
-              </label>
-            </div>
-            {errors.consentement_rgpd && <p className="text-red-500 text-xs">{errors.consentement_rgpd[0]}</p>}
-
-            <button
-              type="submit"
-              disabled={loading || !form.consentement_rgpd}
-              className="w-full bg-malachite-500 hover:bg-malachite-600 disabled:opacity-50 disabled:cursor-not-allowed text-white font-semibold py-3 rounded-xl transition-all duration-200 hover:shadow-lg mt-2"
-            >
-              {loading ? (
-                <span className="inline-flex items-center gap-2">
-                  <svg className="animate-spin w-5 h-5" viewBox="0 0 24 24" fill="none">
-                    <circle className="opacity-25" cx="12" cy="12" r="10" stroke="currentColor" strokeWidth="4" />
-                    <path className="opacity-75" fill="currentColor" d="M4 12a8 8 0 018-8V0C5.373 0 0 5.373 0 12h4z" />
-                  </svg>
-                  Inscription...
-                </span>
-              ) : (
-                'Créer mon compte'
+              {errors.prenom && (
+                <p id="prenom-error" className="fr-error-text">
+                  {errors.prenom[0]}
+                </p>
               )}
-            </button>
-          </form>
+            </div>
+          </div>
 
-          <div className="mt-6 text-center text-sm text-gray-500 dark:text-gray-400">
-            Déjà un compte ?{' '}
-            <Link href="/connexion" className="text-malachite-600 dark:text-malachite-400 font-medium hover:underline">
-              Se connecter
-            </Link>
+          <div className="fr-col-12 fr-col-md-6">
+            <div className={`fr-input-group${errors.nom ? ' fr-input-group--error' : ''}`}>
+              <label className="fr-label" htmlFor="nom">
+                Nom
+              </label>
+              <input
+                id="nom"
+                name="nom"
+                type="text"
+                value={form.nom}
+                onChange={handleChange}
+                required
+                className="fr-input"
+                placeholder="Dupont"
+                aria-describedby={errors.nom ? 'nom-error' : undefined}
+              />
+              {errors.nom && (
+                <p id="nom-error" className="fr-error-text">
+                  {errors.nom[0]}
+                </p>
+              )}
+            </div>
           </div>
         </div>
-      </div>
-    </div>
+
+        <div className={`fr-input-group${errors.email ? ' fr-input-group--error' : ''}`}>
+          <label className="fr-label" htmlFor="email">
+            Adresse email
+          </label>
+          <input
+            id="email"
+            name="email"
+            type="email"
+            value={form.email}
+            onChange={handleChange}
+            required
+            className="fr-input"
+            placeholder="vous@exemple.fr"
+            autoComplete="email"
+            aria-describedby={errors.email ? 'email-error' : undefined}
+          />
+          {errors.email && (
+            <p id="email-error" className="fr-error-text">
+              {errors.email[0]}
+            </p>
+          )}
+        </div>
+
+        <div className={`fr-password${errors.password ? ' fr-input-group--error' : ''}`}>
+          <label className="fr-label" htmlFor="password">
+            Mot de passe
+          </label>
+          <div className="fr-input-wrap">
+            <input
+              id="password"
+              name="password"
+              type={showPassword ? 'text' : 'password'}
+              value={form.password}
+              onChange={handleChange}
+              required
+              minLength={8}
+              className="fr-password__input fr-input"
+              placeholder="Minimum 8 caractères"
+              autoComplete="new-password"
+              aria-describedby={errors.password ? 'password-error' : undefined}
+            />
+          </div>
+          {errors.password && (
+            <p id="password-error" className="fr-error-text">
+              {errors.password[0]}
+            </p>
+          )}
+        </div>
+
+        <div className="fr-input-group">
+          <label className="fr-label" htmlFor="password_confirmation">
+            Confirmer le mot de passe
+          </label>
+          <input
+            id="password_confirmation"
+            name="password_confirmation"
+            type={showPassword ? 'text' : 'password'}
+            value={form.password_confirmation}
+            onChange={handleChange}
+            required
+            className="fr-input"
+            placeholder="Retapez votre mot de passe"
+            autoComplete="new-password"
+          />
+        </div>
+
+        <div className="fr-checkbox-group fr-checkbox-group--sm">
+          <input
+            id="password-show"
+            type="checkbox"
+            checked={showPassword}
+            onChange={() => setShowPassword(!showPassword)}
+          />
+          <label className="fr-label" htmlFor="password-show">
+            Afficher les mots de passe
+          </label>
+        </div>
+
+        <div className={`fr-checkbox-group fr-mt-3w${errors.consentement_rgpd ? ' fr-input-group--error' : ''}`}>
+          <input
+            id="consentement_rgpd"
+            name="consentement_rgpd"
+            type="checkbox"
+            checked={form.consentement_rgpd}
+            onChange={handleChange}
+            required
+            aria-describedby={errors.consentement_rgpd ? 'consentement-error' : undefined}
+          />
+          <label className="fr-label" htmlFor="consentement_rgpd">
+            J&apos;accepte le traitement de mes données personnelles conformément à la{' '}
+            <Link href="/politique-de-confidentialite" className="fr-link">
+              politique de confidentialité
+            </Link>
+            . Mes données sont chiffrées et je peux supprimer mon compte à tout moment.
+          </label>
+          {errors.consentement_rgpd && (
+            <p id="consentement-error" className="fr-error-text">
+              {errors.consentement_rgpd[0]}
+            </p>
+          )}
+        </div>
+
+        <button
+          type="submit"
+          disabled={loading || !form.consentement_rgpd}
+          className="fr-btn fr-btn--lg fr-mt-3w"
+        >
+          {loading ? 'Inscription…' : 'Créer mon compte'}
+        </button>
+      </form>
+
+      <p className="fr-mt-4w">
+        Déjà un compte ?{' '}
+        <Link href="/connexion" className="fr-link">
+          Se connecter
+        </Link>
+      </p>
+    </>
   );
 }
diff --git a/frontend/src/app/(auth)/layout.tsx b/frontend/src/app/(auth)/layout.tsx
new file mode 100644
index 0000000..ed2e88b
--- /dev/null
+++ b/frontend/src/app/(auth)/layout.tsx
@@ -0,0 +1,13 @@
+export default function AuthLayout({
+  children,
+}: {
+  children: React.ReactNode;
+}) {
+  return (
+    <div className="fr-container fr-py-8w">
+      <div className="fr-grid-row fr-grid-row--center">
+        <div className="fr-col-12 fr-col-md-8 fr-col-lg-6">{children}</div>
+      </div>
+    </div>
+  );
+}
diff --git a/frontend/src/app/(protected)/dashboard/page.tsx b/frontend/src/app/(protected)/dashboard/page.tsx
index e496ab6..e6a1e99 100644
--- a/frontend/src/app/(protected)/dashboard/page.tsx
+++ b/frontend/src/app/(protected)/dashboard/page.tsx
@@ -1,13 +1,9 @@
 'use client';
 
 import Link from 'next/link';
-import { Heart, BarChart3, Plus, BookOpen } from 'lucide-react';
 import { useAuth } from '@/hooks/useAuth';
 import { useSaisies } from '@/hooks/useTracker';
 import { useRapport } from '@/hooks/useRapport';
-import Card from '@/components/ui/Card';
-import Badge from '@/components/ui/Badge';
-import Skeleton from '@/components/ui/Skeleton';
 
 export default function DashboardPage() {
   const { user } = useAuth();
@@ -17,177 +13,202 @@ export default function DashboardPage() {
   const recentSaisies = saisies?.slice(0, 5) || [];
 
   return (
-    <div>
+    <div className="fr-container fr-py-6w">
       {/* En-tête */}
-      <div className="mb-8">
-        <h1 className="font-display text-3xl font-bold text-gray-900 dark:text-white mb-2">
-          Bonjour {user?.prenom} 👋
-        </h1>
-        <p className="text-gray-500 dark:text-gray-400">
-          Voici un aperçu de votre bien-être cette semaine.
-        </p>
-      </div>
+      <h1>Bonjour {user?.prenom}</h1>
+      <p className="fr-text--lead">
+        Voici un aperçu de votre bien-être cette semaine.
+      </p>
 
       {/* Actions rapides */}
-      <div className="grid sm:grid-cols-2 lg:grid-cols-3 gap-4 mb-8">
-        <Link href="/journal/nouvelle-saisie">
-          <Card hover className="flex items-center gap-4 bg-linear-to-r from-candlelight-50 to-candlelight-100 dark:from-candlelight-950/30 dark:to-candlelight-900/20 border-candlelight-200 dark:border-candlelight-800">
-            <div className="w-12 h-12 rounded-xl bg-candlelight-200 dark:bg-candlelight-900 flex items-center justify-center">
-              <Plus className="text-candlelight-700 dark:text-candlelight-400" size={24} />
+      <div className="fr-grid-row fr-grid-row--gutters fr-mb-4w">
+        <div className="fr-col-12 fr-col-md-4">
+          <div className="fr-tile fr-tile--horizontal fr-enlarge-link">
+            <div className="fr-tile__body">
+              <div className="fr-tile__content">
+                <h3 className="fr-tile__title">
+                  <Link href="/journal/nouvelle-saisie">
+                    <span
+                      className="fr-icon-add-line fr-mr-1w"
+                      aria-hidden="true"
+                    />
+                    Nouvelle saisie
+                  </Link>
+                </h3>
+                <p className="fr-tile__detail">Enregistrer une émotion</p>
+              </div>
             </div>
-            <div>
-              <p className="font-semibold text-gray-900 dark:text-white">Nouvelle saisie</p>
-              <p className="text-sm text-gray-500 dark:text-gray-400">Enregistrer une émotion</p>
-            </div>
-          </Card>
-        </Link>
+          </div>
+        </div>
 
-        <Link href="/journal">
-          <Card hover className="flex items-center gap-4">
-            <div className="w-12 h-12 rounded-xl bg-malachite-100 dark:bg-malachite-900 flex items-center justify-center">
-              <BookOpen className="text-malachite-600 dark:text-malachite-400" size={24} />
+        <div className="fr-col-12 fr-col-md-4">
+          <div className="fr-tile fr-tile--horizontal fr-enlarge-link">
+            <div className="fr-tile__body">
+              <div className="fr-tile__content">
+                <h3 className="fr-tile__title">
+                  <Link href="/journal">
+                    <span
+                      className="fr-icon-book-2-line fr-mr-1w"
+                      aria-hidden="true"
+                    />
+                    Mon journal
+                  </Link>
+                </h3>
+                <p className="fr-tile__detail">Voir toutes mes saisies</p>
+              </div>
             </div>
-            <div>
-              <p className="font-semibold text-gray-900 dark:text-white">Mon journal</p>
-              <p className="text-sm text-gray-500 dark:text-gray-400">Voir toutes mes saisies</p>
-            </div>
-          </Card>
-        </Link>
+          </div>
+        </div>
 
-        <Link href="/journal/rapports">
-          <Card hover className="flex items-center gap-4">
-            <div className="w-12 h-12 rounded-xl bg-blue-100 dark:bg-blue-900 flex items-center justify-center">
-              <BarChart3 className="text-blue-600 dark:text-blue-400" size={24} />
+        <div className="fr-col-12 fr-col-md-4">
+          <div className="fr-tile fr-tile--horizontal fr-enlarge-link">
+            <div className="fr-tile__body">
+              <div className="fr-tile__content">
+                <h3 className="fr-tile__title">
+                  <Link href="/journal/rapports">
+                    <span
+                      className="fr-icon-line-chart-line fr-mr-1w"
+                      aria-hidden="true"
+                    />
+                    Mes rapports
+                  </Link>
+                </h3>
+                <p className="fr-tile__detail">Visualiser mes tendances</p>
+              </div>
             </div>
-            <div>
-              <p className="font-semibold text-gray-900 dark:text-white">Mes rapports</p>
-              <p className="text-sm text-gray-500 dark:text-gray-400">Visualiser mes tendances</p>
-            </div>
-          </Card>
-        </Link>
+          </div>
+        </div>
       </div>
 
       {/* Stats de la semaine */}
-      <div className="grid sm:grid-cols-3 gap-4 mb-8">
+      <div className="fr-grid-row fr-grid-row--gutters fr-mb-4w">
         {rapportLoading ? (
           Array.from({ length: 3 }).map((_, i) => (
-            <Card key={i}>
-              <Skeleton className="h-4 w-24 mb-2" />
-              <Skeleton className="h-8 w-16" />
-            </Card>
+            <div className="fr-col-12 fr-col-md-4" key={i}>
+              <div className="fr-tile fr-tile--vertical">
+                <div className="fr-tile__body">
+                  <div className="fr-tile__content">
+                    <p className="fr-tile__detail">Chargement…</p>
+                  </div>
+                </div>
+              </div>
+            </div>
           ))
         ) : (
           <>
-            <Card>
-              <p className="text-sm text-gray-500 dark:text-gray-400 mb-1">Saisies cette semaine</p>
-              <p className="text-3xl font-bold text-gray-900 dark:text-white">
-                {rapport?.stats.total_saisies || 0}
-              </p>
-            </Card>
-            <Card>
-              <p className="text-sm text-gray-500 dark:text-gray-400 mb-1">Intensité moyenne</p>
-              <div className="flex items-center gap-2">
-                <p className="text-3xl font-bold text-gray-900 dark:text-white">
-                  {rapport?.stats.intensite_moyenne?.toFixed(1) || '—'}
-                </p>
-                <span className="text-sm text-gray-400">/10</span>
-              </div>
-            </Card>
-            <Card>
-              <p className="text-sm text-gray-500 dark:text-gray-400 mb-1">Émotion dominante</p>
-              {rapport?.stats.emotion_dominante ? (
-                <div className="flex items-center gap-2">
-                  <Badge color={rapport.stats.emotion_dominante.couleur}>
-                    {rapport.stats.emotion_dominante.nom}
-                  </Badge>
-                  <span className="text-sm text-gray-400">
-                    ({rapport.stats.emotion_dominante.count}x)
-                  </span>
+            <div className="fr-col-12 fr-col-md-4">
+              <div className="fr-tile fr-tile--vertical">
+                <div className="fr-tile__body">
+                  <div className="fr-tile__content">
+                    <p className="fr-tile__detail">Saisies cette semaine</p>
+                    <p className="fr-h2 fr-mb-0">
+                      {rapport?.stats.total_saisies || 0}
+                    </p>
+                  </div>
                 </div>
-              ) : (
-                <p className="text-xl text-gray-300 dark:text-gray-600">—</p>
-              )}
-            </Card>
+              </div>
+            </div>
+            <div className="fr-col-12 fr-col-md-4">
+              <div className="fr-tile fr-tile--vertical">
+                <div className="fr-tile__body">
+                  <div className="fr-tile__content">
+                    <p className="fr-tile__detail">Intensité moyenne</p>
+                    <p className="fr-h2 fr-mb-0">
+                      {rapport?.stats.intensite_moyenne?.toFixed(1) || '—'}
+                      <span className="fr-text--sm"> /10</span>
+                    </p>
+                  </div>
+                </div>
+              </div>
+            </div>
+            <div className="fr-col-12 fr-col-md-4">
+              <div className="fr-tile fr-tile--vertical">
+                <div className="fr-tile__body">
+                  <div className="fr-tile__content">
+                    <p className="fr-tile__detail">Émotion dominante</p>
+                    {rapport?.stats.emotion_dominante ? (
+                      <p className="fr-mb-0">
+                        <span className="fr-badge fr-badge--info">
+                          {rapport.stats.emotion_dominante.nom}
+                        </span>
+                        <span className="fr-text--sm">
+                          {' '}
+                          ({rapport.stats.emotion_dominante.count}x)
+                        </span>
+                      </p>
+                    ) : (
+                      <p className="fr-h4 fr-mb-0">—</p>
+                    )}
+                  </div>
+                </div>
+              </div>
+            </div>
           </>
         )}
       </div>
 
       {/* Saisies récentes */}
-      <Card>
-        <div className="flex items-center justify-between mb-4">
-          <h2 className="font-display text-lg font-semibold text-gray-900 dark:text-white">
-            Saisies récentes
-          </h2>
-          <Link
-            href="/journal"
-            className="text-sm text-malachite-600 dark:text-malachite-400 hover:underline"
-          >
-            Voir tout →
-          </Link>
-        </div>
+      <div className="fr-card">
+        <div className="fr-card__body">
+          <div className="fr-card__content">
+            <div className="fr-grid-row fr-grid-row--middle fr-mb-2w">
+              <h2 className="fr-col fr-h5 fr-mb-0">Saisies récentes</h2>
+              <p className="fr-col--right fr-mb-0">
+                <Link href="/journal" className="fr-link">
+                  Voir tout
+                </Link>
+              </p>
+            </div>
 
-        {saisiesLoading ? (
-          <div className="space-y-3">
-            {Array.from({ length: 3 }).map((_, i) => (
-              <div key={i} className="flex items-center gap-3">
-                <Skeleton variant="circle" />
-                <div className="flex-1">
-                  <Skeleton className="h-4 w-32 mb-1" />
-                  <Skeleton className="h-3 w-48" />
-                </div>
-              </div>
-            ))}
-          </div>
-        ) : recentSaisies.length > 0 ? (
-          <div className="space-y-3">
-            {recentSaisies.map((saisie) => (
-              <div
-                key={saisie.id}
-                className="flex items-center gap-3 p-3 rounded-xl hover:bg-gray-50 dark:hover:bg-gray-800/50 transition-colors"
-              >
-                <div
-                  className="w-10 h-10 rounded-lg flex items-center justify-center text-lg shrink-0"
-                  style={{ backgroundColor: `${saisie.emotion?.couleur}20` }}
+            {saisiesLoading ? (
+              <p>Chargement…</p>
+            ) : recentSaisies.length > 0 ? (
+              <ul className="fr-raw-list">
+                {recentSaisies.map((saisie) => (
+                  <li
+                    key={saisie.id}
+                    className="fr-py-1w"
+                    style={{ borderBottom: '1px solid var(--border-default-grey)' }}
+                  >
+                    <div className="fr-grid-row fr-grid-row--middle">
+                      <span className="fr-mr-2w" style={{ fontSize: '1.5rem' }}>
+                        {saisie.emotion?.icone || '🔵'}
+                      </span>
+                      <span className="fr-col">
+                        <strong>{saisie.emotion?.nom}</strong>{' '}
+                        <span className="fr-text--sm">
+                          {saisie.intensite}/10
+                        </span>
+                        {saisie.note && (
+                          <span className="fr-text--sm fr-text-mention--grey fr-display-block">
+                            {saisie.note}
+                          </span>
+                        )}
+                      </span>
+                      <span className="fr-text--sm fr-text-mention--grey">
+                        {new Date(saisie.date_saisie).toLocaleDateString('fr-FR', {
+                          day: 'numeric',
+                          month: 'short',
+                        })}
+                      </span>
+                    </div>
+                  </li>
+                ))}
+              </ul>
+            ) : (
+              <div className="fr-callout">
+                <p className="fr-callout__text">Aucune saisie pour le moment.</p>
+                <Link
+                  className="fr-btn fr-btn--sm fr-icon-add-line fr-btn--icon-left"
+                  href="/journal/nouvelle-saisie"
                 >
-                  {saisie.emotion?.icone || '🔵'}
-                </div>
-                <div className="flex-1 min-w-0">
-                  <div className="flex items-center gap-2">
-                    <span className="font-medium text-gray-900 dark:text-white text-sm">
-                      {saisie.emotion?.nom}
-                    </span>
-                    <span className="text-xs text-gray-400">
-                      {saisie.intensite}/10
-                    </span>
-                  </div>
-                  {saisie.note && (
-                    <p className="text-xs text-gray-500 dark:text-gray-400 truncate">
-                      {saisie.note}
-                    </p>
-                  )}
-                </div>
-                <span className="text-xs text-gray-400 dark:text-gray-500 shrink-0">
-                  {new Date(saisie.date_saisie).toLocaleDateString('fr-FR', {
-                    day: 'numeric',
-                    month: 'short',
-                  })}
-                </span>
+                  Faire ma première saisie
+                </Link>
               </div>
-            ))}
+            )}
           </div>
-        ) : (
-          <div className="text-center py-8 text-gray-400 dark:text-gray-600">
-            <Heart size={32} className="mx-auto mb-2 opacity-50" />
-            <p>Aucune saisie pour le moment</p>
-            <Link
-              href="/journal/nouvelle-saisie"
-              className="text-sm text-candlelight-600 hover:underline mt-2 inline-block"
-            >
-              Faire ma première saisie
-            </Link>
-          </div>
-        )}
-      </Card>
+        </div>
+      </div>
     </div>
   );
 }
diff --git a/frontend/src/app/(protected)/journal/nouvelle-saisie/page.tsx b/frontend/src/app/(protected)/journal/nouvelle-saisie/page.tsx
index 2352ab3..3b93aef 100644
--- a/frontend/src/app/(protected)/journal/nouvelle-saisie/page.tsx
+++ b/frontend/src/app/(protected)/journal/nouvelle-saisie/page.tsx
@@ -2,12 +2,9 @@
 
 import { useState } from 'react';
 import { useRouter } from 'next/navigation';
-import { ArrowLeft, ArrowRight, Check } from 'lucide-react';
 import { useCreateSaisie } from '@/hooks/useTracker';
 import EmotionPicker from '@/components/features/EmotionPicker';
 import Slider from '@/components/ui/Slider';
-import Button from '@/components/ui/Button';
-import Card from '@/components/ui/Card';
 import toast from 'react-hot-toast';
 
 const STEPS = [
@@ -49,139 +46,144 @@ export default function NouvelleSaisiePage() {
     }
   };
 
+  const nextStep = STEPS[step]?.title;
+
   return (
-    <div className="max-w-2xl mx-auto">
-      <button
-        onClick={() => router.back()}
-        className="inline-flex items-center gap-2 text-sm text-gray-500 dark:text-gray-400 hover:text-gray-700 dark:hover:text-gray-200 mb-6 transition-colors"
-      >
-        <ArrowLeft size={16} />
-        Retour
-      </button>
+    <div className="fr-container fr-py-6w">
+      <div className="fr-grid-row fr-grid-row--center">
+        <div className="fr-col-12 fr-col-md-8">
+          <button
+            type="button"
+            onClick={() => router.back()}
+            className="fr-btn fr-btn--tertiary-no-outline fr-btn--sm fr-icon-arrow-left-line fr-btn--icon-left fr-mb-2w"
+          >
+            Retour
+          </button>
 
-      <h1 className="font-display text-3xl font-bold text-gray-900 dark:text-white mb-2">
-        Nouvelle saisie
-      </h1>
-      <p className="text-gray-500 dark:text-gray-400 mb-8">
-        Enregistrez votre émotion en quelques étapes simples.
-      </p>
+          <h1>Nouvelle saisie</h1>
+          <p className="fr-text--lead">
+            Enregistrez votre émotion en quelques étapes simples.
+          </p>
 
-      {/* Stepper */}
-      <div className="flex items-center gap-2 mb-8">
-        {STEPS.map((s) => (
-          <div key={s.id} className="flex items-center gap-2 flex-1">
+          {/* Stepper DSFR */}
+          <div className="fr-stepper">
+            <h2 className="fr-stepper__title">
+              {STEPS[step - 1].title}
+              <span className="fr-stepper__state">
+                Étape {step} sur {STEPS.length}
+              </span>
+            </h2>
             <div
-              className={`
-                w-8 h-8 rounded-full flex items-center justify-center text-sm font-semibold shrink-0
-                ${step > s.id
-                  ? 'bg-malachite-500 text-white'
-                  : step === s.id
-                  ? 'bg-candlelight-500 text-black'
-                  : 'bg-gray-200 dark:bg-gray-700 text-gray-500 dark:text-gray-400'
-                }
-              `}
-            >
-              {step > s.id ? <Check size={16} /> : s.id}
-            </div>
-            {s.id < STEPS.length && (
-              <div
-                className={`flex-1 h-0.5 ${
-                  step > s.id ? 'bg-malachite-500' : 'bg-gray-200 dark:bg-gray-700'
-                }`}
-              />
+              className="fr-stepper__steps"
+              data-fr-current-step={step}
+              data-fr-steps={STEPS.length}
+            />
+            {nextStep && (
+              <p className="fr-stepper__details">
+                <span className="fr-text--bold">Étape suivante :</span> {nextStep}
+              </p>
             )}
           </div>
-        ))}
-      </div>
 
-      {/* Étape actuelle */}
-      <Card className="mb-6">
-        <h2 className="font-display text-xl font-semibold text-gray-900 dark:text-white mb-1">
-          {STEPS[step - 1].title}
-        </h2>
-        <p className="text-sm text-gray-500 dark:text-gray-400 mb-6">
-          {STEPS[step - 1].description}
-        </p>
+          {/* Étape actuelle */}
+          <div className="fr-card fr-p-3w fr-mb-3w">
+            <p className="fr-text--sm fr-text-mention--grey fr-mb-3w">
+              {STEPS[step - 1].description}
+            </p>
 
-        {step === 1 && (
-          <EmotionPicker value={emotionId} onChange={setEmotionId} />
-        )}
+            {step === 1 && (
+              <EmotionPicker value={emotionId} onChange={setEmotionId} />
+            )}
 
-        {step === 2 && (
-          <div className="space-y-6">
-            <Slider
-              value={intensite}
-              onChange={setIntensite}
-              min={1}
-              max={10}
-              label="Intensité de l'émotion"
-            />
-            <div className="flex justify-between text-xs text-gray-400">
-              <span>Faible</span>
-              <span>Modérée</span>
-              <span>Forte</span>
-            </div>
+            {step === 2 && (
+              <div>
+                <Slider
+                  value={intensite}
+                  onChange={setIntensite}
+                  min={1}
+                  max={10}
+                  label="Intensité de l'émotion"
+                />
+                <div className="fr-grid-row fr-grid-row--middle fr-mt-1w">
+                  <span className="fr-col fr-text--sm">Faible</span>
+                  <span className="fr-col fr-text--sm" style={{ textAlign: 'center' }}>
+                    Modérée
+                  </span>
+                  <span className="fr-col fr-text--sm" style={{ textAlign: 'right' }}>
+                    Forte
+                  </span>
+                </div>
+              </div>
+            )}
+
+            {step === 3 && (
+              <div>
+                <div className="fr-input-group">
+                  <label className="fr-label" htmlFor="saisie-date">
+                    Date de la saisie
+                  </label>
+                  <input
+                    id="saisie-date"
+                    className="fr-input"
+                    type="date"
+                    value={dateSaisie}
+                    onChange={(e) => setDateSaisie(e.target.value)}
+                  />
+                </div>
+                <div className="fr-input-group">
+                  <label className="fr-label" htmlFor="saisie-note">
+                    Note (optionnel)
+                  </label>
+                  <textarea
+                    id="saisie-note"
+                    className="fr-input"
+                    value={note}
+                    onChange={(e) => setNote(e.target.value)}
+                    placeholder="Décrivez ce que vous ressentez, ce qui a déclenché cette émotion..."
+                    rows={4}
+                  />
+                </div>
+              </div>
+            )}
           </div>
-        )}
 
-        {step === 3 && (
-          <div className="space-y-4">
-            <div>
-              <label className="block text-sm font-medium text-gray-700 dark:text-gray-300 mb-1.5">
-                Date de la saisie
-              </label>
-              <input
-                type="date"
-                value={dateSaisie}
-                onChange={(e) => setDateSaisie(e.target.value)}
-                className="w-full rounded-xl border border-gray-300 dark:border-gray-700 bg-white dark:bg-gray-900 text-gray-900 dark:text-gray-100 px-4 py-2.5 focus:outline-none focus:ring-2 focus:ring-candlelight-500"
-              />
-            </div>
-            <div>
-              <label className="block text-sm font-medium text-gray-700 dark:text-gray-300 mb-1.5">
-                Note (optionnel)
-              </label>
-              <textarea
-                value={note}
-                onChange={(e) => setNote(e.target.value)}
-                placeholder="Décrivez ce que vous ressentez, ce qui a déclenché cette émotion..."
-                rows={4}
-                className="w-full rounded-xl border border-gray-300 dark:border-gray-700 bg-white dark:bg-gray-900 text-gray-900 dark:text-gray-100 px-4 py-3 focus:outline-none focus:ring-2 focus:ring-candlelight-500 placeholder:text-gray-400 resize-none"
-              />
-            </div>
-          </div>
-        )}
-      </Card>
-
-      {/* Navigation */}
-      <div className="flex justify-between">
-        <Button
-          variant="ghost"
-          onClick={() => setStep(step - 1)}
-          disabled={step === 1}
-        >
-          <ArrowLeft size={16} />
-          Précédent
-        </Button>
-
-        {step < 3 ? (
-          <Button
-            onClick={() => setStep(step + 1)}
-            disabled={!canNext()}
-          >
-            Suivant
-            <ArrowRight size={16} />
-          </Button>
-        ) : (
-          <Button
-            onClick={handleSubmit}
-            loading={createSaisie.isPending}
-            disabled={!emotionId}
-          >
-            <Check size={16} />
-            Enregistrer
-          </Button>
-        )}
+          {/* Navigation */}
+          <ul className="fr-btns-group fr-btns-group--inline-md">
+            <li>
+              <button
+                type="button"
+                className="fr-btn fr-btn--secondary fr-icon-arrow-left-line fr-btn--icon-left"
+                onClick={() => setStep(step - 1)}
+                disabled={step === 1}
+              >
+                Précédent
+              </button>
+            </li>
+            {step < 3 ? (
+              <li>
+                <button
+                  type="button"
+                  className="fr-btn fr-icon-arrow-right-line fr-btn--icon-right"
+                  onClick={() => setStep(step + 1)}
+                  disabled={!canNext()}
+                >
+                  Suivant
+                </button>
+              </li>
+            ) : (
+              <li>
+                <button
+                  type="button"
+                  className="fr-btn fr-icon-check-line fr-btn--icon-left"
+                  onClick={handleSubmit}
+                  disabled={!emotionId || createSaisie.isPending}
+                >
+                  Enregistrer
+                </button>
+              </li>
+            )}
+          </ul>
+        </div>
       </div>
     </div>
   );
diff --git a/frontend/src/app/(protected)/journal/page.tsx b/frontend/src/app/(protected)/journal/page.tsx
index f0adf00..1e84b7c 100644
--- a/frontend/src/app/(protected)/journal/page.tsx
+++ b/frontend/src/app/(protected)/journal/page.tsx
@@ -2,14 +2,10 @@
 
 import { useState } from 'react';
 import Link from 'next/link';
-import { Plus, Filter, Download } from 'lucide-react';
 import { useSaisies, useDeleteSaisie } from '@/hooks/useTracker';
 import { useEmotions } from '@/hooks/useEmotions';
 import TrackerTimeline from '@/components/features/TrackerTimeline';
 import EditSaisieModal from '@/components/features/EditSaisieModal';
-import Button from '@/components/ui/Button';
-import Card from '@/components/ui/Card';
-import Skeleton from '@/components/ui/Skeleton';
 import ConfirmDialog from '@/components/ui/ConfirmDialog';
 import toast from 'react-hot-toast';
 import type { SaisieTracker } from '@/types';
@@ -71,107 +67,126 @@ export default function JournalPage() {
   };
 
   return (
-    <div>
-      <div className="flex flex-col sm:flex-row sm:items-center sm:justify-between gap-4 mb-8">
-        <div>
-          <h1 className="font-display text-3xl font-bold text-gray-900 dark:text-white mb-1">
-            Mon journal
-          </h1>
-          <p className="text-gray-500 dark:text-gray-400">
+    <div className="fr-container fr-py-6w">
+      <div className="fr-grid-row fr-grid-row--middle fr-mb-4w">
+        <div className="fr-col-12 fr-col-md">
+          <h1 className="fr-mb-1v">Mon journal</h1>
+          <p className="fr-text--lead fr-mb-0">
             Historique de vos émotions au quotidien
           </p>
         </div>
-        <div className="flex gap-3">
-          <Button
-            variant="ghost"
-            size="sm"
-            onClick={() => setShowFilters(!showFilters)}
-          >
-            <Filter size={16} />
-            Filtrer
-          </Button>
-          <Button variant="ghost" size="sm" onClick={handleExport} title="Exporter mes saisies (RGPD)">
-            <Download size={16} />
-            Export CSV
-          </Button>
-          <Link href="/journal/nouvelle-saisie">
-            <Button size="sm">
-              <Plus size={16} />
-              Nouvelle saisie
-            </Button>
-          </Link>
+        <div className="fr-col-12 fr-col-md--right">
+          <ul className="fr-btns-group fr-btns-group--inline-md fr-btns-group--right">
+            <li>
+              <button
+                type="button"
+                className="fr-btn fr-btn--tertiary fr-btn--sm fr-icon-filter-line fr-btn--icon-left"
+                onClick={() => setShowFilters(!showFilters)}
+              >
+                Filtrer
+              </button>
+            </li>
+            <li>
+              <button
+                type="button"
+                className="fr-btn fr-btn--tertiary fr-btn--sm fr-icon-download-line fr-btn--icon-left"
+                onClick={handleExport}
+                title="Exporter mes saisies (RGPD)"
+              >
+                Export CSV
+              </button>
+            </li>
+            <li>
+              <Link
+                href="/journal/nouvelle-saisie"
+                className="fr-btn fr-btn--sm fr-icon-add-line fr-btn--icon-left"
+              >
+                Nouvelle saisie
+              </Link>
+            </li>
+          </ul>
         </div>
       </div>
 
       {/* Filtres */}
       {showFilters && (
-        <Card className="mb-6">
-          <div className="grid sm:grid-cols-3 gap-4">
-            <div>
-              <label className="block text-sm font-medium text-gray-700 dark:text-gray-300 mb-1.5">
-                Date début
-              </label>
-              <input
-                type="date"
-                value={filters.date_debut || ''}
-                onChange={(e) => setFilters({ ...filters, date_debut: e.target.value || undefined })}
-                className="w-full rounded-xl border border-gray-300 dark:border-gray-700 bg-white dark:bg-gray-900 text-gray-900 dark:text-gray-100 px-4 py-2.5 focus:outline-none focus:ring-2 focus:ring-candlelight-500"
-              />
+        <div className="fr-card fr-p-3w fr-mb-4w">
+          <div className="fr-grid-row fr-grid-row--gutters">
+            <div className="fr-col-12 fr-col-md-4">
+              <div className="fr-input-group">
+                <label className="fr-label" htmlFor="filtre-date-debut">
+                  Date début
+                </label>
+                <input
+                  id="filtre-date-debut"
+                  className="fr-input"
+                  type="date"
+                  value={filters.date_debut || ''}
+                  onChange={(e) =>
+                    setFilters({ ...filters, date_debut: e.target.value || undefined })
+                  }
+                />
+              </div>
             </div>
-            <div>
-              <label className="block text-sm font-medium text-gray-700 dark:text-gray-300 mb-1.5">
-                Date fin
-              </label>
-              <input
-                type="date"
-                value={filters.date_fin || ''}
-                onChange={(e) => setFilters({ ...filters, date_fin: e.target.value || undefined })}
-                className="w-full rounded-xl border border-gray-300 dark:border-gray-700 bg-white dark:bg-gray-900 text-gray-900 dark:text-gray-100 px-4 py-2.5 focus:outline-none focus:ring-2 focus:ring-candlelight-500"
-              />
+            <div className="fr-col-12 fr-col-md-4">
+              <div className="fr-input-group">
+                <label className="fr-label" htmlFor="filtre-date-fin">
+                  Date fin
+                </label>
+                <input
+                  id="filtre-date-fin"
+                  className="fr-input"
+                  type="date"
+                  value={filters.date_fin || ''}
+                  onChange={(e) =>
+                    setFilters({ ...filters, date_fin: e.target.value || undefined })
+                  }
+                />
+              </div>
             </div>
-            <div>
-              <label className="block text-sm font-medium text-gray-700 dark:text-gray-300 mb-1.5">
-                Émotion
-              </label>
-              <select
-                value={filters.emotion_id || ''}
-                onChange={(e) => setFilters({ ...filters, emotion_id: e.target.value ? Number(e.target.value) : undefined })}
-                className="w-full rounded-xl border border-gray-300 dark:border-gray-700 bg-white dark:bg-gray-900 text-gray-900 dark:text-gray-100 px-4 py-2.5 focus:outline-none focus:ring-2 focus:ring-candlelight-500"
+            <div className="fr-col-12 fr-col-md-4">
+              <div className="fr-select-group">
+                <label className="fr-label" htmlFor="filtre-emotion">
+                  Émotion
+                </label>
+                <select
+                  id="filtre-emotion"
+                  className="fr-select"
+                  value={filters.emotion_id || ''}
+                  onChange={(e) =>
+                    setFilters({
+                      ...filters,
+                      emotion_id: e.target.value ? Number(e.target.value) : undefined,
+                    })
+                  }
+                >
+                  <option value="">Toutes</option>
+                  {emotions?.map((emotion) => (
+                    <option key={emotion.id} value={emotion.id}>
+                      {emotion.icone} {emotion.nom}
+                    </option>
+                  ))}
+                </select>
+              </div>
+            </div>
+          </div>
+          <ul className="fr-btns-group fr-btns-group--inline-md fr-mt-2w">
+            <li>
+              <button
+                type="button"
+                className="fr-btn fr-btn--tertiary fr-btn--sm"
+                onClick={() => setFilters({})}
               >
-                <option value="">Toutes</option>
-                {emotions?.map((emotion) => (
-                  <option key={emotion.id} value={emotion.id}>
-                    {emotion.icone} {emotion.nom}
-                  </option>
-                ))}
-              </select>
-            </div>
-          </div>
-          <div className="mt-4 flex gap-2">
-            <Button
-              variant="ghost"
-              size="sm"
-              onClick={() => setFilters({})}
-            >
-              Réinitialiser
-            </Button>
-          </div>
-        </Card>
+                Réinitialiser
+              </button>
+            </li>
+          </ul>
+        </div>
       )}
 
       {/* Timeline */}
       {isLoading ? (
-        <div className="space-y-4">
-          {Array.from({ length: 5 }).map((_, i) => (
-            <div key={i} className="flex items-center gap-4 p-4 bg-white dark:bg-gray-900 rounded-xl">
-              <Skeleton variant="circle" className="w-12 h-12" />
-              <div className="flex-1">
-                <Skeleton className="h-4 w-32 mb-2" />
-                <Skeleton className="h-3 w-48" />
-              </div>
-            </div>
-          ))}
-        </div>
+        <p>Chargement…</p>
       ) : (
         <TrackerTimeline
           saisies={saisies || []}
diff --git a/frontend/src/app/(protected)/journal/rapports/page.tsx b/frontend/src/app/(protected)/journal/rapports/page.tsx
index cc01833..45ae6fe 100644
--- a/frontend/src/app/(protected)/journal/rapports/page.tsx
+++ b/frontend/src/app/(protected)/journal/rapports/page.tsx
@@ -3,10 +3,6 @@
 import { useState } from 'react';
 import { useRapport } from '@/hooks/useRapport';
 import EmotionChart from '@/components/features/EmotionChart';
-import Card from '@/components/ui/Card';
-import Skeleton from '@/components/ui/Skeleton';
-import Badge from '@/components/ui/Badge';
-import { BarChart3, TrendingUp, PieChart } from 'lucide-react';
 
 type Period = 'week' | 'month' | 'quarter' | 'year';
 
@@ -22,169 +18,192 @@ export default function RapportsPage() {
   const { data: rapport, isLoading } = useRapport(period);
 
   return (
-    <div>
-      <div className="flex flex-col sm:flex-row sm:items-center sm:justify-between gap-4 mb-8">
-        <div>
-          <h1 className="font-display text-3xl font-bold text-gray-900 dark:text-white mb-1">
-            Mes rapports
-          </h1>
-          <p className="text-gray-500 dark:text-gray-400">
+    <div className="fr-container fr-py-6w">
+      <div className="fr-grid-row fr-grid-row--middle fr-mb-4w">
+        <div className="fr-col-12 fr-col-md">
+          <h1 className="fr-mb-1v">Mes rapports</h1>
+          <p className="fr-text--lead fr-mb-0">
             Analysez vos tendances émotionnelles
           </p>
         </div>
 
         {/* Sélecteur de période */}
-        <div className="flex bg-gray-100 dark:bg-gray-800 rounded-xl p-1">
-          {PERIODS.map((p) => (
-            <button
-              key={p.value}
-              onClick={() => setPeriod(p.value)}
-              className={`
-                px-4 py-2 rounded-lg text-sm font-medium transition-all duration-200
-                ${period === p.value
-                  ? 'bg-white dark:bg-gray-700 shadow-sm text-gray-900 dark:text-white'
-                  : 'text-gray-500 dark:text-gray-400 hover:text-gray-700 dark:hover:text-gray-200'
-                }
-              `}
-            >
-              {p.label}
-            </button>
-          ))}
+        <div className="fr-col-12 fr-col-md--right">
+          <fieldset className="fr-segmented fr-segmented--sm">
+            <legend className="fr-segmented__legend">Période</legend>
+            <div className="fr-segmented__elements">
+              {PERIODS.map((p) => (
+                <div className="fr-segmented__element" key={p.value}>
+                  <input
+                    type="radio"
+                    id={`period-${p.value}`}
+                    name="period"
+                    checked={period === p.value}
+                    onChange={() => setPeriod(p.value)}
+                  />
+                  <label className="fr-label" htmlFor={`period-${p.value}`}>
+                    {p.label}
+                  </label>
+                </div>
+              ))}
+            </div>
+          </fieldset>
         </div>
       </div>
 
       {isLoading ? (
-        <div className="space-y-6">
-          <div className="grid sm:grid-cols-3 gap-4">
-            {Array.from({ length: 3 }).map((_, i) => (
-              <Card key={i}>
-                <Skeleton className="h-4 w-24 mb-2" />
-                <Skeleton className="h-8 w-16" />
-              </Card>
-            ))}
-          </div>
-          <Card>
-            <Skeleton variant="rect" className="h-80" />
-          </Card>
-        </div>
+        <p>Chargement…</p>
       ) : rapport ? (
-        <div className="space-y-6">
+        <>
           {/* Stats résumées */}
-          <div className="grid sm:grid-cols-3 gap-4">
-            <Card>
-              <div className="flex items-center gap-3 mb-2">
-                <BarChart3 size={18} className="text-candlelight-500" />
-                <p className="text-sm text-gray-500 dark:text-gray-400">Total saisies</p>
-              </div>
-              <p className="text-3xl font-bold text-gray-900 dark:text-white">
-                {rapport.stats.total_saisies}
-              </p>
-              <p className="text-xs text-gray-400 mt-1">
-                Du {new Date(rapport.date_debut).toLocaleDateString('fr-FR')} au {new Date(rapport.date_fin).toLocaleDateString('fr-FR')}
-              </p>
-            </Card>
-
-            <Card>
-              <div className="flex items-center gap-3 mb-2">
-                <TrendingUp size={18} className="text-malachite-500" />
-                <p className="text-sm text-gray-500 dark:text-gray-400">Intensité moyenne</p>
-              </div>
-              <div className="flex items-baseline gap-2">
-                <p className="text-3xl font-bold text-gray-900 dark:text-white">
-                  {rapport.stats.intensite_moyenne?.toFixed(1) || '—'}
-                </p>
-                <span className="text-sm text-gray-400">/10</span>
-              </div>
-            </Card>
-
-            <Card>
-              <div className="flex items-center gap-3 mb-2">
-                <PieChart size={18} className="text-blue-500" />
-                <p className="text-sm text-gray-500 dark:text-gray-400">Émotion dominante</p>
-              </div>
-              {rapport.stats.emotion_dominante ? (
-                <div>
-                  <Badge color={rapport.stats.emotion_dominante.couleur}>
-                    {rapport.stats.emotion_dominante.nom}
-                  </Badge>
-                  <p className="text-xs text-gray-400 mt-1">
-                    {rapport.stats.emotion_dominante.count} fois
-                  </p>
+          <div className="fr-grid-row fr-grid-row--gutters fr-mb-3w">
+            <div className="fr-col-12 fr-col-md-4">
+              <div className="fr-tile fr-tile--vertical">
+                <div className="fr-tile__body">
+                  <div className="fr-tile__content">
+                    <h3 className="fr-tile__title">
+                      <span
+                        className="fr-icon-bar-chart-box-line fr-mr-1w"
+                        aria-hidden="true"
+                      />
+                      Total saisies
+                    </h3>
+                    <p className="fr-h3 fr-mb-1v">{rapport.stats.total_saisies}</p>
+                    <p className="fr-tile__detail">
+                      Du {new Date(rapport.date_debut).toLocaleDateString('fr-FR')} au{' '}
+                      {new Date(rapport.date_fin).toLocaleDateString('fr-FR')}
+                    </p>
+                  </div>
                 </div>
-              ) : (
-                <p className="text-xl text-gray-300 dark:text-gray-600">—</p>
-              )}
-            </Card>
+              </div>
+            </div>
+
+            <div className="fr-col-12 fr-col-md-4">
+              <div className="fr-tile fr-tile--vertical">
+                <div className="fr-tile__body">
+                  <div className="fr-tile__content">
+                    <h3 className="fr-tile__title">
+                      <span
+                        className="fr-icon-line-chart-line fr-mr-1w"
+                        aria-hidden="true"
+                      />
+                      Intensité moyenne
+                    </h3>
+                    <p className="fr-h3 fr-mb-0">
+                      {rapport.stats.intensite_moyenne?.toFixed(1) || '—'}
+                      <span className="fr-text--sm"> /10</span>
+                    </p>
+                  </div>
+                </div>
+              </div>
+            </div>
+
+            <div className="fr-col-12 fr-col-md-4">
+              <div className="fr-tile fr-tile--vertical">
+                <div className="fr-tile__body">
+                  <div className="fr-tile__content">
+                    <h3 className="fr-tile__title">
+                      <span
+                        className="fr-icon-pie-chart-2-line fr-mr-1w"
+                        aria-hidden="true"
+                      />
+                      Émotion dominante
+                    </h3>
+                    {rapport.stats.emotion_dominante ? (
+                      <p className="fr-mb-0">
+                        <span className="fr-badge fr-badge--info">
+                          {rapport.stats.emotion_dominante.nom}
+                        </span>
+                        <span className="fr-text--sm fr-display-block fr-mt-1v">
+                          {rapport.stats.emotion_dominante.count} fois
+                        </span>
+                      </p>
+                    ) : (
+                      <p className="fr-h4 fr-mb-0">—</p>
+                    )}
+                  </div>
+                </div>
+              </div>
+            </div>
           </div>
 
           {/* Répartition (Camembert) */}
-          <Card>
-            <h2 className="font-display text-lg font-semibold text-gray-900 dark:text-white mb-4">
-              Répartition des émotions
-            </h2>
+          <div className="fr-card fr-p-3w fr-mb-3w">
+            <h2 className="fr-h5">Répartition des émotions</h2>
             <EmotionChart data={rapport} type="repartition" />
-          </Card>
+          </div>
 
           {/* Évolution (Lignes) */}
-          <Card>
-            <h2 className="font-display text-lg font-semibold text-gray-900 dark:text-white mb-4">
-              Évolution dans le temps
-            </h2>
+          <div className="fr-card fr-p-3w fr-mb-3w">
+            <h2 className="fr-h5">Évolution dans le temps</h2>
             <EmotionChart data={rapport} type="evolution" />
-          </Card>
+          </div>
 
           {/* Intensité moyenne (Barres) */}
-          <Card>
-            <h2 className="font-display text-lg font-semibold text-gray-900 dark:text-white mb-4">
-              Intensité moyenne par période
-            </h2>
+          <div className="fr-card fr-p-3w fr-mb-3w">
+            <h2 className="fr-h5">Intensité moyenne par période</h2>
             <EmotionChart data={rapport} type="intensite" />
-          </Card>
+          </div>
 
           {/* Détail répartition */}
           {rapport.repartition.length > 0 && (
-            <Card>
-              <h2 className="font-display text-lg font-semibold text-gray-900 dark:text-white mb-4">
-                Détail par émotion
-              </h2>
-              <div className="space-y-3">
+            <div className="fr-card fr-p-3w">
+              <h2 className="fr-h5">Détail par émotion</h2>
+              <ul className="fr-raw-list">
                 {rapport.repartition.map((item) => (
-                  <div key={item.nom} className="flex items-center gap-4">
-                    <div
-                      className="w-3 h-3 rounded-full shrink-0"
-                      style={{ backgroundColor: item.couleur }}
-                    />
-                    <span className="text-sm font-medium text-gray-700 dark:text-gray-300 w-32">
-                      {item.nom}
-                    </span>
-                    <div className="flex-1 h-2 bg-gray-100 dark:bg-gray-800 rounded-full overflow-hidden">
-                      <div
-                        className="h-full rounded-full transition-all duration-500"
+                  <li key={item.nom} className="fr-py-1w">
+                    <div className="fr-grid-row fr-grid-row--middle">
+                      <span
+                        className="fr-mr-2w"
+                        aria-hidden="true"
                         style={{
+                          display: 'inline-block',
+                          width: '0.75rem',
+                          height: '0.75rem',
+                          borderRadius: '50%',
+                          backgroundColor: item.couleur,
+                        }}
+                      />
+                      <span className="fr-col">
+                        <strong>{item.nom}</strong>
+                      </span>
+                      <span className="fr-text--sm fr-mr-3w">
+                        {item.pourcentage}%
+                      </span>
+                      <span className="fr-text--sm fr-text-mention--grey">
+                        Moy : {item.intensite_moyenne.toFixed(1)}/10
+                      </span>
+                    </div>
+                    <div
+                      className="fr-mt-1v"
+                      style={{
+                        height: '0.5rem',
+                        borderRadius: '0.25rem',
+                        backgroundColor: 'var(--background-contrast-grey)',
+                        overflow: 'hidden',
+                      }}
+                    >
+                      <div
+                        style={{
+                          height: '100%',
                           width: `${item.pourcentage}%`,
                           backgroundColor: item.couleur,
                         }}
                       />
                     </div>
-                    <span className="text-sm text-gray-500 dark:text-gray-400 w-16 text-right">
-                      {item.pourcentage}%
-                    </span>
-                    <span className="text-xs text-gray-400 w-20 text-right">
-                      Moy: {item.intensite_moyenne.toFixed(1)}/10
-                    </span>
-                  </div>
+                  </li>
                 ))}
-              </div>
-            </Card>
+              </ul>
+            </div>
           )}
-        </div>
+        </>
       ) : (
-        <Card className="text-center py-16">
-          <BarChart3 size={48} className="mx-auto mb-4 text-gray-300 dark:text-gray-600" />
-          <p className="text-lg text-gray-500 dark:text-gray-400">
-            Pas de données pour cette période
+        <div className="fr-callout">
+          <p className="fr-callout__title">Pas de données pour cette période</p>
+          <p className="fr-callout__text">
+            Enregistrez des saisies pour visualiser vos tendances.
           </p>
-        </Card>
+        </div>
       )}
     </div>
   );
diff --git a/frontend/src/app/(protected)/profil/page.tsx b/frontend/src/app/(protected)/profil/page.tsx
index 115f40e..be9fde3 100644
--- a/frontend/src/app/(protected)/profil/page.tsx
+++ b/frontend/src/app/(protected)/profil/page.tsx
@@ -2,10 +2,7 @@
 
 import { useState } from 'react';
 import { useAuth } from '@/hooks/useAuth';
-import Card from '@/components/ui/Card';
 import Button from '@/components/ui/Button';
-import Input from '@/components/ui/Input';
-import { User, Mail, Lock, Shield, Trash2 } from 'lucide-react';
 import toast from 'react-hot-toast';
 import api from '@/lib/api';
 import Modal from '@/components/ui/Modal';
@@ -76,157 +73,229 @@ export default function ProfilPage() {
   };
 
   return (
-    <div className="max-w-2xl mx-auto">
-      <h1 className="font-display text-3xl font-bold text-gray-900 dark:text-white mb-8">
-        Mon profil
-      </h1>
+    <div className="fr-container fr-py-6w">
+      <div className="fr-grid-row fr-grid-row--center">
+        <div className="fr-col-12 fr-col-md-8">
+          <h1>Mon profil</h1>
 
-      {/* Infos du profil */}
-      <Card className="mb-6">
-        <div className="flex items-center gap-4 mb-6">
-          <div className="w-16 h-16 rounded-full bg-malachite-100 dark:bg-malachite-900 flex items-center justify-center">
-            <User size={28} className="text-malachite-600 dark:text-malachite-400" />
-          </div>
-          <div>
-            <h2 className="text-xl font-semibold text-gray-900 dark:text-white">
+          {/* Infos du profil */}
+          <div className="fr-card fr-p-3w fr-mb-3w">
+            <h2 className="fr-h4 fr-mb-1v">
               {user?.prenom} {user?.nom}
             </h2>
-            <p className="text-sm text-gray-500 dark:text-gray-400">{user?.email}</p>
-            <p className="text-xs text-gray-400 dark:text-gray-500 mt-1">
-              Membre depuis le {user?.created_at ? new Date(user.created_at).toLocaleDateString('fr-FR', { day: 'numeric', month: 'long', year: 'numeric' }) : '—'}
+            <p className="fr-text--sm fr-mb-1v">{user?.email}</p>
+            <p className="fr-text--xs fr-text-mention--grey fr-mb-3w">
+              Membre depuis le{' '}
+              {user?.created_at
+                ? new Date(user.created_at).toLocaleDateString('fr-FR', {
+                    day: 'numeric',
+                    month: 'long',
+                    year: 'numeric',
+                  })
+                : '—'}
             </p>
+
+            {editing ? (
+              <form onSubmit={handleUpdateProfil}>
+                <div className="fr-grid-row fr-grid-row--gutters">
+                  <div className="fr-col-12 fr-col-md-6">
+                    <div className="fr-input-group">
+                      <label className="fr-label" htmlFor="profil-prenom">
+                        Prénom
+                      </label>
+                      <input
+                        id="profil-prenom"
+                        className="fr-input"
+                        value={form.prenom}
+                        onChange={(e) => setForm({ ...form, prenom: e.target.value })}
+                        required
+                      />
+                    </div>
+                  </div>
+                  <div className="fr-col-12 fr-col-md-6">
+                    <div className="fr-input-group">
+                      <label className="fr-label" htmlFor="profil-nom">
+                        Nom
+                      </label>
+                      <input
+                        id="profil-nom"
+                        className="fr-input"
+                        value={form.nom}
+                        onChange={(e) => setForm({ ...form, nom: e.target.value })}
+                        required
+                      />
+                    </div>
+                  </div>
+                </div>
+                <div className="fr-input-group">
+                  <label className="fr-label" htmlFor="profil-email">
+                    Email
+                  </label>
+                  <input
+                    id="profil-email"
+                    className="fr-input"
+                    type="email"
+                    value={form.email}
+                    onChange={(e) => setForm({ ...form, email: e.target.value })}
+                    required
+                  />
+                </div>
+                <ul className="fr-btns-group fr-btns-group--inline-md">
+                  <li>
+                    <Button type="submit" loading={loading}>
+                      Enregistrer
+                    </Button>
+                  </li>
+                  <li>
+                    <Button variant="secondary" type="button" onClick={() => setEditing(false)}>
+                      Annuler
+                    </Button>
+                  </li>
+                </ul>
+              </form>
+            ) : (
+              <Button
+                variant="secondary"
+                onClick={() => {
+                  setForm({
+                    nom: user?.nom || '',
+                    prenom: user?.prenom || '',
+                    email: user?.email || '',
+                  });
+                  setEditing(true);
+                }}
+              >
+                Modifier mes informations
+              </Button>
+            )}
           </div>
-        </div>
 
-        {editing ? (
-          <form onSubmit={handleUpdateProfil} className="space-y-4">
-            <div className="grid sm:grid-cols-2 gap-4">
-              <Input
-                label="Prénom"
-                value={form.prenom}
-                onChange={(e) => setForm({ ...form, prenom: e.target.value })}
-                icon={<User size={18} />}
-                required
-              />
-              <Input
-                label="Nom"
-                value={form.nom}
-                onChange={(e) => setForm({ ...form, nom: e.target.value })}
-                icon={<User size={18} />}
-                required
-              />
-            </div>
-            <Input
-              label="Email"
-              type="email"
-              value={form.email}
-              onChange={(e) => setForm({ ...form, email: e.target.value })}
-              icon={<Mail size={18} />}
-              required
-            />
-            <div className="flex gap-3">
-              <Button type="submit" loading={loading}>
-                Enregistrer
+          {/* Changer mot de passe */}
+          <div className="fr-card fr-p-3w fr-mb-3w">
+            <h2 className="fr-h5">
+              <span className="fr-icon-lock-line fr-mr-1w" aria-hidden="true" />
+              Mot de passe
+            </h2>
+
+            {changingPassword ? (
+              <form onSubmit={handleChangePassword}>
+                <div className="fr-password fr-input-group">
+                  <label className="fr-label" htmlFor="pwd-actuel">
+                    Mot de passe actuel
+                  </label>
+                  <input
+                    id="pwd-actuel"
+                    className="fr-input"
+                    type="password"
+                    value={passwordForm.ancien_mot_de_passe}
+                    onChange={(e) =>
+                      setPasswordForm({ ...passwordForm, ancien_mot_de_passe: e.target.value })
+                    }
+                    required
+                  />
+                </div>
+                <div className="fr-password fr-input-group">
+                  <label className="fr-label" htmlFor="pwd-nouveau">
+                    Nouveau mot de passe
+                  </label>
+                  <input
+                    id="pwd-nouveau"
+                    className="fr-input"
+                    type="password"
+                    value={passwordForm.password}
+                    onChange={(e) =>
+                      setPasswordForm({ ...passwordForm, password: e.target.value })
+                    }
+                    required
+                  />
+                </div>
+                <div className="fr-password fr-input-group">
+                  <label className="fr-label" htmlFor="pwd-confirm">
+                    Confirmer le nouveau mot de passe
+                  </label>
+                  <input
+                    id="pwd-confirm"
+                    className="fr-input"
+                    type="password"
+                    value={passwordForm.password_confirmation}
+                    onChange={(e) =>
+                      setPasswordForm({
+                        ...passwordForm,
+                        password_confirmation: e.target.value,
+                      })
+                    }
+                    required
+                  />
+                </div>
+                <ul className="fr-btns-group fr-btns-group--inline-md">
+                  <li>
+                    <Button type="submit" loading={loading}>
+                      Changer le mot de passe
+                    </Button>
+                  </li>
+                  <li>
+                    <Button
+                      variant="secondary"
+                      type="button"
+                      onClick={() => setChangingPassword(false)}
+                    >
+                      Annuler
+                    </Button>
+                  </li>
+                </ul>
+              </form>
+            ) : (
+              <Button variant="secondary" onClick={() => setChangingPassword(true)}>
+                Changer mon mot de passe
               </Button>
-              <Button variant="ghost" onClick={() => setEditing(false)}>
-                Annuler
-              </Button>
-            </div>
-          </form>
-        ) : (
-          <Button variant="outline" onClick={() => {
-            setForm({ nom: user?.nom || '', prenom: user?.prenom || '', email: user?.email || '' });
-            setEditing(true);
-          }}>
-            Modifier mes informations
-          </Button>
-        )}
-      </Card>
+            )}
+          </div>
 
-      {/* Changer mot de passe */}
-      <Card className="mb-6">
-        <div className="flex items-center gap-3 mb-4">
-          <Lock size={20} className="text-gray-400" />
-          <h3 className="font-display font-semibold text-gray-900 dark:text-white">
-            Mot de passe
-          </h3>
+          {/* Zone dangereuse — RGPD */}
+          <div className="fr-card fr-p-3w">
+            <h2 className="fr-h5">
+              <span className="fr-icon-warning-line fr-mr-1w" aria-hidden="true" />
+              Zone dangereuse
+            </h2>
+            <p className="fr-text--sm">
+              La suppression de votre compte est irréversible. Toutes vos données
+              seront effacées conformément au RGPD.
+            </p>
+            <Button
+              variant="secondary"
+              className="fr-icon-delete-line fr-btn--icon-left"
+              onClick={() => setDeleteModalOpen(true)}
+            >
+              Supprimer mon compte
+            </Button>
+          </div>
+
+          {/* Modal confirmation suppression */}
+          <Modal
+            isOpen={deleteModalOpen}
+            onClose={() => setDeleteModalOpen(false)}
+            title="Confirmer la suppression"
+            size="sm"
+          >
+            <p>
+              Êtes-vous sûr de vouloir supprimer votre compte ? Cette action est
+              irréversible.
+            </p>
+            <ul className="fr-btns-group fr-btns-group--inline-md">
+              <li>
+                <Button variant="secondary" onClick={handleDeleteAccount} loading={loading}>
+                  Oui, supprimer
+                </Button>
+              </li>
+              <li>
+                <Button variant="secondary" onClick={() => setDeleteModalOpen(false)}>
+                  Annuler
+                </Button>
+              </li>
+            </ul>
+          </Modal>
         </div>
-
-        {changingPassword ? (
-          <form onSubmit={handleChangePassword} className="space-y-4">
-            <Input
-              label="Mot de passe actuel"
-              type="password"
-              value={passwordForm.ancien_mot_de_passe}
-              onChange={(e) => setPasswordForm({ ...passwordForm, ancien_mot_de_passe: e.target.value })}
-              required
-            />
-            <Input
-              label="Nouveau mot de passe"
-              type="password"
-              value={passwordForm.password}
-              onChange={(e) => setPasswordForm({ ...passwordForm, password: e.target.value })}
-              required
-            />
-            <Input
-              label="Confirmer le nouveau mot de passe"
-              type="password"
-              value={passwordForm.password_confirmation}
-              onChange={(e) => setPasswordForm({ ...passwordForm, password_confirmation: e.target.value })}
-              required
-            />
-            <div className="flex gap-3">
-              <Button type="submit" loading={loading}>
-                Changer le mot de passe
-              </Button>
-              <Button variant="ghost" onClick={() => setChangingPassword(false)}>
-                Annuler
-              </Button>
-            </div>
-          </form>
-        ) : (
-          <Button variant="outline" onClick={() => setChangingPassword(true)}>
-            Changer mon mot de passe
-          </Button>
-        )}
-      </Card>
-
-      {/* Zone dangereuse */}
-      <Card className="border-red-200 dark:border-red-900">
-        <div className="flex items-center gap-3 mb-4">
-          <Shield size={20} className="text-red-500" />
-          <h3 className="font-display font-semibold text-red-600 dark:text-red-400">
-            Zone dangereuse
-          </h3>
-        </div>
-        <p className="text-sm text-gray-500 dark:text-gray-400 mb-4">
-          La suppression de votre compte est irréversible. Toutes vos données seront effacées conformément au RGPD.
-        </p>
-        <Button variant="danger" onClick={() => setDeleteModalOpen(true)}>
-          <Trash2 size={16} />
-          Supprimer mon compte
-        </Button>
-      </Card>
-
-      {/* Modal confirmation suppression */}
-      <Modal
-        isOpen={deleteModalOpen}
-        onClose={() => setDeleteModalOpen(false)}
-        title="Confirmer la suppression"
-        size="sm"
-      >
-        <p className="text-gray-600 dark:text-gray-400 mb-6">
-          Êtes-vous sûr de vouloir supprimer votre compte ? Cette action est irréversible.
-        </p>
-        <div className="flex gap-3">
-          <Button variant="danger" onClick={handleDeleteAccount} loading={loading}>
-            Oui, supprimer
-          </Button>
-          <Button variant="ghost" onClick={() => setDeleteModalOpen(false)}>
-            Annuler
-          </Button>
-        </div>
-      </Modal>
+      </div>
     </div>
   );
 }
diff --git a/frontend/src/app/(public)/contacts-urgence/page.tsx b/frontend/src/app/(public)/contacts-urgence/page.tsx
index 0b8d86e..09b1b05 100644
--- a/frontend/src/app/(public)/contacts-urgence/page.tsx
+++ b/frontend/src/app/(public)/contacts-urgence/page.tsx
@@ -1,6 +1,3 @@
-import Card from '@/components/ui/Card';
-import { Phone } from 'lucide-react';
-
 export default function ContactsUrgencePage() {
   const contacts = [
     {
@@ -19,13 +16,13 @@ export default function ContactsUrgencePage() {
       name: 'Fil Santé Jeunes',
       number: '0 800 235 236',
       description:
-        'Ligne d\u2019écoute gratuite et anonyme pour les jeunes de 12 à 25 ans. Du lundi au dimanche de 9h à 23h.',
+        'Ligne d’écoute gratuite et anonyme pour les jeunes de 12 à 25 ans. Du lundi au dimanche de 9h à 23h.',
     },
     {
       name: 'SAMU',
       number: '15',
       description:
-        'Service d\u2019aide médicale urgente. En cas d\u2019urgence vitale, appelez immédiatement le 15 ou le 112.',
+        'Service d’aide médicale urgente. En cas d’urgence vitale, appelez immédiatement le 15 ou le 112.',
     },
     {
       name: 'SOS Médecins',
@@ -36,48 +33,51 @@ export default function ContactsUrgencePage() {
   ];
 
   return (
-    <div className="max-w-3xl mx-auto px-4 py-12">
-      <h1 className="font-display text-4xl font-bold text-gray-900 dark:text-white mb-4">
-        Contacts d&apos;urgence
-      </h1>
-      <p className="text-lg text-gray-500 dark:text-gray-400 mb-8">
-        Si vous ou un proche traversez une période difficile, n&apos;hésitez pas à
-        contacter l&apos;un de ces services. Vous n&apos;êtes pas seul(e).
+    <div className="fr-container fr-py-6w">
+      <h1>Contacts d&apos;urgence</h1>
+      <p className="fr-text--lead">
+        Si vous ou un proche traversez une période difficile, n&apos;hésitez pas
+        à contacter l&apos;un de ces services. Vous n&apos;êtes pas seul(e).
       </p>
 
-      <div className="space-y-4">
-        {contacts.map((contact) => (
-          <Card key={contact.number}>
-            <div className="flex items-start gap-4">
-              <div className="flex-shrink-0 w-12 h-12 rounded-full bg-red-50 dark:bg-red-950/50 flex items-center justify-center">
-                <Phone size={20} className="text-red-600 dark:text-red-400" />
-              </div>
-              <div className="flex-1 min-w-0">
-                <h2 className="font-display text-lg font-semibold text-gray-900 dark:text-white mb-1">
-                  {contact.name}
-                </h2>
-                <a
-                  href={`tel:${contact.number.replace(/\s/g, '')}`}
-                  className="inline-block text-xl font-bold text-malachite-600 dark:text-malachite-400 mb-2 hover:underline"
-                >
-                  {contact.number}
-                </a>
-                <p className="text-sm text-gray-500 dark:text-gray-400 leading-relaxed">
-                  {contact.description}
-                </p>
-              </div>
-            </div>
-          </Card>
-        ))}
+      <div className="fr-callout fr-callout--brown-caramel fr-icon-information-line fr-mb-6w">
+        <p className="fr-callout__title">En cas d&apos;urgence ou de détresse</p>
+        <p className="fr-callout__text">
+          Appelez le <strong>3114</strong> (numéro national de prévention du
+          suicide, gratuit, 24h/24) ou le <strong>15</strong> (SAMU). En cas
+          d&apos;urgence vitale, composez le <strong>112</strong> (numéro
+          d&apos;urgence européen).
+        </p>
       </div>
 
-      <Card className="mt-8 bg-red-50 dark:bg-red-950/30 border-red-100 dark:border-red-900">
-        <p className="text-sm text-red-700 dark:text-red-400 text-center leading-relaxed">
-          <strong>En cas d&apos;urgence vitale</strong>, appelez immédiatement le{' '}
-          <strong>15</strong> (SAMU) ou le <strong>112</strong> (numéro d&apos;urgence
-          européen).
-        </p>
-      </Card>
+      <div className="fr-grid-row fr-grid-row--gutters">
+        {contacts.map((contact) => (
+          <div className="fr-col-12 fr-col-md-6" key={contact.number}>
+            <div className="fr-card">
+              <div className="fr-card__body">
+                <div className="fr-card__content">
+                  <h2 className="fr-card__title">{contact.name}</h2>
+                  <p className="fr-card__desc">{contact.description}</p>
+                  <div className="fr-card__end">
+                    <p className="fr-card__detail">
+                      <a
+                        className="fr-link"
+                        href={`tel:${contact.number.replace(/\s/g, '')}`}
+                      >
+                        <span
+                          className="fr-icon-phone-line fr-mr-1w"
+                          aria-hidden="true"
+                        />
+                        {contact.number}
+                      </a>
+                    </p>
+                  </div>
+                </div>
+              </div>
+            </div>
+          </div>
+        ))}
+      </div>
     </div>
   );
 }
diff --git a/frontend/src/app/(public)/informations/[slug]/page.tsx b/frontend/src/app/(public)/informations/[slug]/page.tsx
index e3e1de7..830ade3 100644
--- a/frontend/src/app/(public)/informations/[slug]/page.tsx
+++ b/frontend/src/app/(public)/informations/[slug]/page.tsx
@@ -2,10 +2,7 @@
 
 import { useParams } from 'next/navigation';
 import Link from 'next/link';
-import Image from 'next/image';
-import { ArrowLeft, Calendar, User } from 'lucide-react';
 import { useFeed } from '@/hooks/useFeeds';
-import Skeleton from '@/components/ui/Skeleton';
 
 export default function ArticlePage() {
   const params = useParams();
@@ -14,79 +11,93 @@ export default function ArticlePage() {
 
   if (isLoading) {
     return (
-      <div className="max-w-3xl mx-auto px-4 py-12">
-        <Skeleton className="h-8 w-48 mb-8" />
-        <Skeleton variant="rect" className="h-64 mb-6" />
-        <Skeleton className="h-10 w-3/4 mb-4" />
-        <Skeleton className="h-4 w-full mb-2" />
-        <Skeleton className="h-4 w-full mb-2" />
-        <Skeleton className="h-4 w-2/3" />
+      <div className="fr-container fr-py-6w">
+        <p className="fr-text--sm">Chargement de l&apos;article…</p>
       </div>
     );
   }
 
   if (error || !feed) {
     return (
-      <div className="max-w-3xl mx-auto px-4 py-12 text-center">
-        <p className="text-lg text-gray-500 dark:text-gray-400 mb-4">
-          Article introuvable
-        </p>
-        <Link
-          href="/informations"
-          className="text-malachite-600 dark:text-malachite-400 hover:underline"
-        >
-          ← Retour aux informations
+      <div className="fr-container fr-py-6w">
+        <div className="fr-alert fr-alert--error">
+          <h3 className="fr-alert__title">Article introuvable</h3>
+          <p>
+            L&apos;article demandé n&apos;existe pas ou n&apos;est plus
+            disponible.
+          </p>
+        </div>
+        <Link className="fr-link fr-mt-2w" href="/informations">
+          Retour aux informations
         </Link>
       </div>
     );
   }
 
   return (
-    <div className="max-w-3xl mx-auto px-4 py-12">
-      <Link
-        href="/informations"
-        className="inline-flex items-center gap-2 text-sm text-gray-500 dark:text-gray-400 hover:text-gray-700 dark:hover:text-gray-200 mb-8 transition-colors"
+    <div className="fr-container fr-py-6w">
+      <nav
+        role="navigation"
+        className="fr-breadcrumb"
+        aria-label="vous êtes ici :"
       >
-        <ArrowLeft size={16} />
-        Retour aux informations
-      </Link>
-
-      {feed.image_url && (
-        <div className="relative w-full h-64 sm:h-80 rounded-2xl overflow-hidden bg-gray-100 dark:bg-gray-800 mb-8">
-          <Image
-            src={feed.image_url}
-            alt={feed.titre}
-            width={800}
-            height={400}
-            className="w-full h-full object-cover"
-            unoptimized
-          />
+        <button
+          type="button"
+          className="fr-breadcrumb__button"
+          aria-expanded="false"
+          aria-controls="breadcrumb-article"
+        >
+          Voir le fil d&apos;Ariane
+        </button>
+        <div className="fr-collapse" id="breadcrumb-article">
+          <ol className="fr-breadcrumb__list">
+            <li>
+              <Link className="fr-breadcrumb__link" href="/">
+                Accueil
+              </Link>
+            </li>
+            <li>
+              <Link className="fr-breadcrumb__link" href="/informations">
+                Informations
+              </Link>
+            </li>
+            <li>
+              <a className="fr-breadcrumb__link" aria-current="page">
+                {feed.titre}
+              </a>
+            </li>
+          </ol>
         </div>
-      )}
+      </nav>
 
-      <h1 className="font-display text-3xl sm:text-4xl font-bold text-gray-900 dark:text-white mb-4">
-        {feed.titre}
-      </h1>
+      <h1>{feed.titre}</h1>
 
-      <div className="flex flex-wrap items-center gap-4 text-sm text-gray-400 dark:text-gray-500 mb-8 pb-8 border-b border-gray-200 dark:border-gray-800">
+      <p className="fr-text--sm">
         {feed.auteur && (
-          <div className="flex items-center gap-1.5">
-            <User size={14} />
+          <>
+            <span
+              className="fr-icon-user-line fr-mr-1w"
+              aria-hidden="true"
+            />
             {feed.auteur.prenom} {feed.auteur.nom}
-          </div>
+            {' — '}
+          </>
         )}
-        <div className="flex items-center gap-1.5">
-          <Calendar size={14} />
-          {new Date(feed.created_at).toLocaleDateString('fr-FR', {
-            day: 'numeric',
-            month: 'long',
-            year: 'numeric',
-          })}
-        </div>
-      </div>
+        <span
+          className="fr-icon-calendar-line fr-mr-1w"
+          aria-hidden="true"
+        />
+        {new Date(feed.created_at).toLocaleDateString('fr-FR', {
+          day: 'numeric',
+          month: 'long',
+          year: 'numeric',
+        })}
+      </p>
 
-      <article
-        className="prose prose-lg dark:prose-invert max-w-none prose-headings:font-display prose-a:text-malachite-600 dark:prose-a:text-malachite-400"
+      <hr className="fr-mt-2w fr-mb-4w" />
+
+      <div
+        className="fr-col-12 fr-col-md-10"
         dangerouslySetInnerHTML={{ __html: feed.contenu }}
       />
     </div>
diff --git a/frontend/src/app/(public)/informations/page.tsx b/frontend/src/app/(public)/informations/page.tsx
index 5d4bb4c..d186d20 100644
--- a/frontend/src/app/(public)/informations/page.tsx
+++ b/frontend/src/app/(public)/informations/page.tsx
@@ -1,86 +1,62 @@
 'use client';
 
 import Link from 'next/link';
-import Image from 'next/image';
-import { BookOpen, Calendar } from 'lucide-react';
 import { useFeeds } from '@/hooks/useFeeds';
-import Card from '@/components/ui/Card';
-import Skeleton from '@/components/ui/Skeleton';
 
 export default function InformationsPage() {
   const { data: feeds, isLoading } = useFeeds();
 
   return (
-    <div className="max-w-6xl mx-auto px-4 py-12">
-      <div className="text-center mb-12">
-        <h1 className="font-display text-4xl font-bold text-gray-900 dark:text-white mb-4">
-          Informations & Ressources
-        </h1>
-        <p className="text-lg text-gray-500 dark:text-gray-400 max-w-2xl mx-auto">
-          Des contenus validés sur la santé mentale, la gestion du stress
-          et le bien-être émotionnel.
-        </p>
-      </div>
+    <div className="fr-container fr-py-6w">
+      <h1>Informations &amp; Ressources</h1>
+      <p className="fr-text--lead">
+        Des contenus validés sur la santé mentale, la gestion du stress et le
+        bien-être émotionnel.
+      </p>
 
       {isLoading ? (
-        <div className="grid md:grid-cols-2 gap-6">
-          {Array.from({ length: 4 }).map((_, i) => (
-            <Card key={i}>
-              <Skeleton variant="rect" className="h-48 mb-4" />
-              <Skeleton className="h-6 w-3/4 mb-2" />
-              <Skeleton className="h-4 w-full mb-1" />
-              <Skeleton className="h-4 w-2/3" />
-            </Card>
-          ))}
-        </div>
+        <p className="fr-text--sm">Chargement des articles…</p>
       ) : feeds && feeds.length > 0 ? (
-        <div className="grid md:grid-cols-2 gap-6">
+        <div className="fr-grid-row fr-grid-row--gutters">
           {feeds.map((feed) => (
-            <Link key={feed.id} href={`/informations/${feed.slug}`}>
-              <Card hover className="h-full">
-                {feed.image_url && (
-                  <div className="relative w-full h-48 mb-4 rounded-xl overflow-hidden bg-gray-100 dark:bg-gray-800">
-                    <Image
-                      src={feed.image_url}
-                      alt={feed.titre}
-                      width={800}
-                      height={400}
-                      className="w-full h-full object-cover"
-                      unoptimized
-                    />
+            <div className="fr-col-12 fr-col-md-6" key={feed.id}>
+              <div className="fr-card fr-enlarge-link">
+                <div className="fr-card__body">
+                  <div className="fr-card__content">
+                    <h2 className="fr-card__title">
+                      <Link href={`/informations/${feed.slug}`}>
+                        {feed.titre}
+                      </Link>
+                    </h2>
+                    <p className="fr-card__desc">
+                      {(feed.contenu ?? '')
+                        .replace(/<[^>]*>/g, '')
+                        .substring(0, 200) + '…'}
+                    </p>
+                    <div className="fr-card__end">
+                      <p className="fr-card__detail">
+                        <span
+                          className="fr-icon-calendar-line fr-mr-1w"
+                          aria-hidden="true"
+                        />
+                        {new Date(feed.created_at).toLocaleDateString('fr-FR', {
+                          day: 'numeric',
+                          month: 'long',
+                          year: 'numeric',
+                        })}
+                      </p>
+                    </div>
                   </div>
-                )}
-                <div className="flex items-center gap-2 mb-3">
-                  <BookOpen size={16} className="text-malachite-500" />
-                  <span className="text-xs font-medium text-malachite-600 dark:text-malachite-400 uppercase tracking-wide">
-                    Article
-                  </span>
                 </div>
-                <h2 className="font-display text-xl font-semibold text-gray-900 dark:text-white mb-2 line-clamp-2">
-                  {feed.titre}
-                </h2>
-                <div
-                  className="text-gray-500 dark:text-gray-400 text-sm line-clamp-3 mb-4"
-                  dangerouslySetInnerHTML={{
-                    __html: (feed.contenu ?? '').replace(/<[^>]*>/g, '').substring(0, 200) + '...',
-                  }}
-                />
-                <div className="flex items-center gap-2 text-xs text-gray-400 dark:text-gray-500">
-                  <Calendar size={14} />
-                  {new Date(feed.created_at).toLocaleDateString('fr-FR', {
-                    day: 'numeric',
-                    month: 'long',
-                    year: 'numeric',
-                  })}
-                </div>
-              </Card>
-            </Link>
+              </div>
+            </div>
           ))}
         </div>
       ) : (
-        <div className="text-center py-16 text-gray-400 dark:text-gray-600">
-          <BookOpen size={48} className="mx-auto mb-4 opacity-50" />
-          <p className="text-lg">Aucun article disponible pour le moment</p>
+        <div className="fr-callout">
+          <p className="fr-callout__text">
+            Aucun article disponible pour le moment.
+          </p>
         </div>
       )}
     </div>
diff --git a/frontend/src/app/(public)/mentions-legales/page.tsx b/frontend/src/app/(public)/mentions-legales/page.tsx
index c9cb2ab..b397848 100644
--- a/frontend/src/app/(public)/mentions-legales/page.tsx
+++ b/frontend/src/app/(public)/mentions-legales/page.tsx
@@ -1,73 +1,47 @@
-import Card from '@/components/ui/Card';
-
 export default function MentionsLegalesPage() {
   return (
-    <div className="max-w-3xl mx-auto px-4 py-12">
-      <h1 className="font-display text-4xl font-bold text-gray-900 dark:text-white mb-8">
-        Mentions légales
-      </h1>
+    <div className="fr-container fr-py-6w">
+      <h1>Mentions légales</h1>
 
-      <div className="space-y-6">
-        <Card>
-          <h2 className="font-display text-xl font-semibold text-gray-900 dark:text-white mb-3">
-            Éditeur de l&apos;application
-          </h2>
-          <p className="text-gray-600 dark:text-gray-400 leading-relaxed">
-            CESIZen est une application développée dans le cadre d&apos;un projet
-            pédagogique au sein de{' '}
-            <strong>CESI École d&apos;Ingénieurs</strong>. Cette application est
-            réalisée à but éducatif et n&apos;a pas de vocation commerciale.
-          </p>
-        </Card>
+      <h2>Éditeur de l&apos;application</h2>
+      <p>
+        CESIZen est une application développée dans le cadre d&apos;un projet
+        pédagogique au sein de <strong>CESI École d&apos;Ingénieurs</strong>.
+        Cette application est réalisée à but éducatif et n&apos;a pas de vocation
+        commerciale.
+      </p>
 
-        <Card>
-          <h2 className="font-display text-xl font-semibold text-gray-900 dark:text-white mb-3">
-            Hébergement
-          </h2>
-          <p className="text-gray-600 dark:text-gray-400 leading-relaxed">
-            L&apos;application est hébergée dans le cadre de l&apos;infrastructure
-            pédagogique de CESI. Les données sont stockées sur des serveurs
-            sécurisés situés en France.
-          </p>
-        </Card>
+      <h2>Hébergement</h2>
+      <p>
+        L&apos;application est hébergée dans le cadre de l&apos;infrastructure
+        pédagogique de CESI. Les données sont stockées sur des serveurs
+        sécurisés situés en France.
+      </p>
 
-        <Card>
-          <h2 className="font-display text-xl font-semibold text-gray-900 dark:text-white mb-3">
-            Propriété intellectuelle
-          </h2>
-          <p className="text-gray-600 dark:text-gray-400 leading-relaxed">
-            L&apos;ensemble des contenus présents sur CESIZen (textes, images,
-            graphismes, logo, icônes) sont la propriété exclusive de leurs auteurs
-            respectifs et sont protégés par les lois françaises et internationales
-            relatives à la propriété intellectuelle.
-          </p>
-        </Card>
+      <h2>Propriété intellectuelle</h2>
+      <p>
+        L&apos;ensemble des contenus présents sur CESIZen (textes, images,
+        graphismes, logo, icônes) sont la propriété exclusive de leurs auteurs
+        respectifs et sont protégés par les lois françaises et internationales
+        relatives à la propriété intellectuelle.
+      </p>
 
-        <Card>
-          <h2 className="font-display text-xl font-semibold text-gray-900 dark:text-white mb-3">
-            Responsabilité
-          </h2>
-          <p className="text-gray-600 dark:text-gray-400 leading-relaxed">
-            CESIZen est un outil de suivi du bien-être et ne se substitue en aucun
-            cas à un avis médical professionnel. En cas de détresse psychologique,
-            veuillez contacter les services d&apos;urgence ou un professionnel de
-            santé.
-          </p>
-        </Card>
+      <h2>Responsabilité</h2>
+      <p>
+        CESIZen est un outil de suivi du bien-être et ne se substitue en aucun
+        cas à un avis médical professionnel. En cas de détresse psychologique,
+        veuillez contacter les services d&apos;urgence ou un professionnel de
+        santé.
+      </p>
 
-        <Card>
-          <h2 className="font-display text-xl font-semibold text-gray-900 dark:text-white mb-3">
-            Contact
-          </h2>
-          <p className="text-gray-600 dark:text-gray-400 leading-relaxed">
-            Pour toute question relative aux mentions légales, vous pouvez nous
-            contacter via l&apos;adresse suivante :{' '}
-            <span className="text-malachite-600 dark:text-malachite-400">
-              contact@cesizen.fr
-            </span>
-          </p>
-        </Card>
-      </div>
+      <h2>Contact</h2>
+      <p>
+        Pour toute question relative aux mentions légales, vous pouvez nous
+        contacter via l&apos;adresse suivante :{' '}
+        <a className="fr-link" href="mailto:contact@cesizen.fr">
+          contact@cesizen.fr
+        </a>
+      </p>
     </div>
   );
 }
diff --git a/frontend/src/app/(public)/politique-de-confidentialite/page.tsx b/frontend/src/app/(public)/politique-de-confidentialite/page.tsx
index fbfc33d..9f0c3b8 100644
--- a/frontend/src/app/(public)/politique-de-confidentialite/page.tsx
+++ b/frontend/src/app/(public)/politique-de-confidentialite/page.tsx
@@ -1,105 +1,73 @@
-import Card from '@/components/ui/Card';
-
 export default function PolitiqueConfidentialitePage() {
   return (
-    <div className="max-w-3xl mx-auto px-4 py-12">
-      <h1 className="font-display text-4xl font-bold text-gray-900 dark:text-white mb-8">
-        Politique de confidentialité
-      </h1>
+    <div className="fr-container fr-py-6w">
+      <h1>Politique de confidentialité</h1>
 
-      <div className="space-y-6">
-        <Card>
-          <h2 className="font-display text-xl font-semibold text-gray-900 dark:text-white mb-3">
-            Conformité RGPD
-          </h2>
-          <p className="text-gray-600 dark:text-gray-400 leading-relaxed">
-            CESIZen s&apos;engage à respecter le Règlement Général sur la Protection
-            des Données (RGPD) et la loi Informatique et Libertés. La protection
-            de vos données personnelles est une priorité.
-          </p>
-        </Card>
+      <h2>Conformité RGPD</h2>
+      <p>
+        CESIZen s&apos;engage à respecter le Règlement Général sur la Protection
+        des Données (RGPD) et la loi Informatique et Libertés. La protection de
+        vos données personnelles est une priorité.
+      </p>
 
-        <Card>
-          <h2 className="font-display text-xl font-semibold text-gray-900 dark:text-white mb-3">
-            Données collectées
-          </h2>
-          <p className="text-gray-600 dark:text-gray-400 leading-relaxed mb-3">
-            Dans le cadre de l&apos;utilisation de CESIZen, les données suivantes
-            sont collectées :
-          </p>
-          <ul className="list-disc list-inside text-gray-600 dark:text-gray-400 space-y-1">
-            <li>Adresse e-mail</li>
-            <li>Nom et prénom</li>
-            <li>Données relatives aux émotions enregistrées</li>
-          </ul>
-        </Card>
+      <h2>Données collectées</h2>
+      <p>
+        Dans le cadre de l&apos;utilisation de CESIZen, les données suivantes
+        sont collectées :
+      </p>
+      <ul>
+        <li>Adresse e-mail</li>
+        <li>Nom et prénom</li>
+        <li>Données relatives aux émotions enregistrées</li>
+      </ul>
 
-        <Card>
-          <h2 className="font-display text-xl font-semibold text-gray-900 dark:text-white mb-3">
-            Finalité du traitement
-          </h2>
-          <p className="text-gray-600 dark:text-gray-400 leading-relaxed">
-            Ces données sont collectées uniquement dans le but de fournir un suivi
-            personnalisé du bien-être émotionnel. Elles ne sont ni vendues, ni
-            partagées avec des tiers à des fins commerciales.
-          </p>
-        </Card>
+      <h2>Finalité du traitement</h2>
+      <p>
+        Ces données sont collectées uniquement dans le but de fournir un suivi
+        personnalisé du bien-être émotionnel. Elles ne sont ni vendues, ni
+        partagées avec des tiers à des fins commerciales.
+      </p>
 
-        <Card>
-          <h2 className="font-display text-xl font-semibold text-gray-900 dark:text-white mb-3">
-            Durée de conservation
-          </h2>
-          <p className="text-gray-600 dark:text-gray-400 leading-relaxed">
-            Les données personnelles sont conservées pendant toute la durée
-            d&apos;utilisation du compte. En cas de suppression du compte, les
-            données sont effacées dans un délai de 30 jours.
-          </p>
-        </Card>
+      <h2>Durée de conservation</h2>
+      <p>
+        Les données personnelles sont conservées pendant toute la durée
+        d&apos;utilisation du compte. En cas de suppression du compte, les
+        données sont effacées dans un délai de 30 jours.
+      </p>
 
-        <Card>
-          <h2 className="font-display text-xl font-semibold text-gray-900 dark:text-white mb-3">
-            Sécurité des données
-          </h2>
-          <p className="text-gray-600 dark:text-gray-400 leading-relaxed">
-            Les données sont chiffrées en transit (HTTPS) et au repos. Les mots de
-            passe sont hachés avec des algorithmes sécurisés. L&apos;accès aux
-            données est strictement limité aux personnes habilitées.
-          </p>
-        </Card>
+      <h2>Sécurité des données</h2>
+      <p>
+        Les données sont chiffrées en transit (HTTPS) et au repos. Les mots de
+        passe sont hachés avec des algorithmes sécurisés. L&apos;accès aux
+        données est strictement limité aux personnes habilitées.
+      </p>
 
-        <Card>
-          <h2 className="font-display text-xl font-semibold text-gray-900 dark:text-white mb-3">
-            Vos droits
-          </h2>
-          <p className="text-gray-600 dark:text-gray-400 leading-relaxed mb-3">
-            Conformément au RGPD, vous disposez des droits suivants :
-          </p>
-          <ul className="list-disc list-inside text-gray-600 dark:text-gray-400 space-y-1">
-            <li>
-              <strong>Droit d&apos;accès :</strong> obtenir une copie de vos
-              données personnelles
-            </li>
-            <li>
-              <strong>Droit de rectification :</strong> corriger des données
-              inexactes ou incomplètes
-            </li>
-            <li>
-              <strong>Droit de suppression :</strong> demander l&apos;effacement
-              de vos données personnelles
-            </li>
-            <li>
-              <strong>Droit à la portabilité :</strong> récupérer vos données dans
-              un format structuré
-            </li>
-          </ul>
-          <p className="text-gray-600 dark:text-gray-400 leading-relaxed mt-3">
-            Pour exercer ces droits, contactez-nous à l&apos;adresse :{' '}
-            <span className="text-malachite-600 dark:text-malachite-400">
-              contact@cesizen.fr
-            </span>
-          </p>
-        </Card>
-      </div>
+      <h2>Vos droits</h2>
+      <p>Conformément au RGPD, vous disposez des droits suivants :</p>
+      <ul>
+        <li>
+          <strong>Droit d&apos;accès :</strong> obtenir une copie de vos données
+          personnelles
+        </li>
+        <li>
+          <strong>Droit de rectification :</strong> corriger des données
+          inexactes ou incomplètes
+        </li>
+        <li>
+          <strong>Droit de suppression :</strong> demander l&apos;effacement de
+          vos données personnelles
+        </li>
+        <li>
+          <strong>Droit à la portabilité :</strong> récupérer vos données dans
+          un format structuré
+        </li>
+      </ul>
+      <p>
+        Pour exercer ces droits, contactez-nous à l&apos;adresse :{' '}
+        <a className="fr-link" href="mailto:contact@cesizen.fr">
+          contact@cesizen.fr
+        </a>
+      </p>
     </div>
   );
 }
diff --git a/frontend/src/components/features/EditSaisieModal.tsx b/frontend/src/components/features/EditSaisieModal.tsx
index 78251f3..3277d08 100644
--- a/frontend/src/components/features/EditSaisieModal.tsx
+++ b/frontend/src/components/features/EditSaisieModal.tsx
@@ -57,63 +57,69 @@ export default function EditSaisieModal({ saisie, isOpen, onClose }: EditSaisieM
 
   return (
     <Modal isOpen={isOpen} onClose={onClose} title="Modifier la saisie" size="lg">
-      <div className="space-y-6">
-        {/* Émotion */}
-        <div>
-          <label className="block text-sm font-medium text-gray-700 dark:text-gray-300 mb-2">
-            Émotion
-          </label>
-          <EmotionPicker value={emotionId} onChange={setEmotionId} />
-        </div>
+      {/* Émotion */}
+      <div className="fr-input-group">
+        <p className="fr-label">Émotion</p>
+        <EmotionPicker value={emotionId} onChange={setEmotionId} />
+      </div>
 
-        {/* Intensité */}
-        <div>
-          <Slider
-            value={intensite}
-            onChange={setIntensite}
-            min={1}
-            max={10}
-            label="Intensité de l'émotion"
-          />
-          <div className="flex justify-between text-xs text-gray-400 mt-1">
-            <span>Faible</span>
-            <span>Modérée</span>
-            <span>Forte</span>
-          </div>
+      {/* Intensité */}
+      <div className="fr-input-group">
+        <Slider
+          value={intensite}
+          onChange={setIntensite}
+          min={1}
+          max={10}
+          label="Intensité de l'émotion"
+        />
+        <div className="fr-grid-row fr-grid-row--middle fr-mt-1v">
+          <span className="fr-col fr-text--sm">Faible</span>
+          <span className="fr-col fr-text--sm" style={{ textAlign: 'center' }}>
+            Modérée
+          </span>
+          <span className="fr-col fr-text--sm" style={{ textAlign: 'right' }}>
+            Forte
+          </span>
         </div>
+      </div>
 
-        {/* Date */}
-        <div>
-          <label className="block text-sm font-medium text-gray-700 dark:text-gray-300 mb-1.5">
-            Date de la saisie
-          </label>
-          <input
-            type="date"
-            value={dateSaisie}
-            onChange={(e) => setDateSaisie(e.target.value)}
-            className="w-full rounded-xl border border-gray-300 dark:border-gray-700 bg-white dark:bg-gray-900 text-gray-900 dark:text-gray-100 px-4 py-2.5 focus:outline-none focus:ring-2 focus:ring-candlelight-500"
-          />
-        </div>
+      {/* Date */}
+      <div className="fr-input-group">
+        <label className="fr-label" htmlFor="edit-saisie-date">
+          Date de la saisie
+        </label>
+        <input
+          id="edit-saisie-date"
+          className="fr-input"
+          type="date"
+          value={dateSaisie}
+          onChange={(e) => setDateSaisie(e.target.value)}
+        />
+      </div>
 
-        {/* Note */}
-        <div>
-          <label className="block text-sm font-medium text-gray-700 dark:text-gray-300 mb-1.5">
-            Note (optionnel)
-          </label>
-          <textarea
-            value={note}
-            onChange={(e) => setNote(e.target.value)}
-            placeholder="Décrivez ce que vous ressentez..."
-            rows={3}
-            className="w-full rounded-xl border border-gray-300 dark:border-gray-700 bg-white dark:bg-gray-900 text-gray-900 dark:text-gray-100 px-4 py-3 focus:outline-none focus:ring-2 focus:ring-candlelight-500 placeholder:text-gray-400 resize-none"
-          />
-        </div>
+      {/* Note */}
+      <div className="fr-input-group">
+        <label className="fr-label" htmlFor="edit-saisie-note">
+          Note (optionnel)
+        </label>
+        <textarea
+          id="edit-saisie-note"
+          className="fr-input"
+          value={note}
+          onChange={(e) => setNote(e.target.value)}
+          placeholder="Décrivez ce que vous ressentez..."
+          rows={3}
+        />
+      </div>
 
-        {/* Actions */}
-        <div className="flex justify-end gap-3 pt-2">
-          <Button variant="ghost" onClick={onClose}>
+      {/* Actions */}
+      <ul className="fr-btns-group fr-btns-group--inline-md fr-btns-group--right">
+        <li>
+          <Button variant="secondary" onClick={onClose}>
             Annuler
           </Button>
+        </li>
+        <li>
           <Button
             onClick={handleSubmit}
             loading={updateSaisie.isPending}
@@ -121,8 +127,8 @@ export default function EditSaisieModal({ saisie, isOpen, onClose }: EditSaisieM
           >
             Enregistrer
           </Button>
-        </div>
-      </div>
+        </li>
+      </ul>
     </Modal>
   );
 }
diff --git a/frontend/src/components/features/EmotionChart.tsx b/frontend/src/components/features/EmotionChart.tsx
index 7148c92..a824a51 100644
--- a/frontend/src/components/features/EmotionChart.tsx
+++ b/frontend/src/components/features/EmotionChart.tsx
@@ -38,7 +38,7 @@ export default function EmotionChart({ data, type = 'repartition' }: EmotionChar
     }
 
     return (
-      <div className="w-full h-80">
+      <div style={{ width: '100%', height: '20rem' }}>
         <ResponsiveContainer width="100%" height={320}>
           <PieChart>
             <Pie
@@ -88,10 +88,10 @@ export default function EmotionChart({ data, type = 'repartition' }: EmotionChar
     }
 
     return (
-      <div className="w-full h-80">
+      <div style={{ width: '100%', height: '20rem' }}>
         <ResponsiveContainer width="100%" height={320}>
           <LineChart data={lineData}>
-            <CartesianGrid strokeDasharray="3 3" className="opacity-30" />
+            <CartesianGrid strokeDasharray="3 3" style={{ opacity: 0.3 }} />
             <XAxis dataKey="date" tick={{ fontSize: 12 }} />
             <YAxis tick={{ fontSize: 12 }} />
             <Tooltip
@@ -131,10 +131,10 @@ export default function EmotionChart({ data, type = 'repartition' }: EmotionChar
     }
 
     return (
-      <div className="w-full h-80">
+      <div style={{ width: '100%', height: '20rem' }}>
         <ResponsiveContainer width="100%" height={320}>
           <BarChart data={barData}>
-            <CartesianGrid strokeDasharray="3 3" className="opacity-30" />
+            <CartesianGrid strokeDasharray="3 3" style={{ opacity: 0.3 }} />
             <XAxis dataKey="date" tick={{ fontSize: 12 }} />
             <YAxis domain={[0, 10]} tick={{ fontSize: 12 }} />
             <Tooltip
@@ -146,7 +146,7 @@ export default function EmotionChart({ data, type = 'repartition' }: EmotionChar
               }}
               formatter={(value: ValueType | undefined) => [`${Number(value).toFixed(1)}`, 'Intensité moyenne']}
             />
-            <Bar dataKey="intensite" fill="#fce117" radius={[6, 6, 0, 0]} />
+            <Bar dataKey="intensite" fill="#000091" radius={[6, 6, 0, 0]} />
           </BarChart>
         </ResponsiveContainer>
       </div>
@@ -158,8 +158,17 @@ export default function EmotionChart({ data, type = 'repartition' }: EmotionChar
 
 function EmptyChart({ message }: { message: string }) {
   return (
-    <div className="w-full h-80 flex items-center justify-center text-gray-400 dark:text-gray-600">
-      <p className="text-lg">{message}</p>
+    <div
+      className="fr-text-mention--grey"
+      style={{
+        width: '100%',
+        height: '20rem',
+        display: 'flex',
+        alignItems: 'center',
+        justifyContent: 'center',
+      }}
+    >
+      <p className="fr-text--lead fr-mb-0">{message}</p>
     </div>
   );
 }
diff --git a/frontend/src/components/features/EmotionPicker.tsx b/frontend/src/components/features/EmotionPicker.tsx
index 2fe299c..21b599a 100644
--- a/frontend/src/components/features/EmotionPicker.tsx
+++ b/frontend/src/components/features/EmotionPicker.tsx
@@ -14,13 +14,7 @@ export default function EmotionPicker({ value, onChange }: EmotionPickerProps) {
   const [selectedParent, setSelectedParent] = useState<Emotion | null>(null);
 
   if (isLoading) {
-    return (
-      <div className="grid grid-cols-3 sm:grid-cols-4 gap-3">
-        {Array.from({ length: 7 }).map((_, i) => (
-          <div key={i} className="h-20 rounded-xl bg-gray-100 dark:bg-gray-800 animate-pulse" />
-        ))}
-      </div>
-    );
+    return <p className="fr-text--sm fr-text-mention--grey">Chargement des émotions…</p>;
   }
 
   // Si une émotion parent est sélectionnée et qu'elle a des enfants, afficher les sous-émotions
@@ -30,76 +24,75 @@ export default function EmotionPicker({ value, onChange }: EmotionPickerProps) {
         <button
           type="button"
           onClick={() => setSelectedParent(null)}
-          className="mb-4 text-sm text-gray-500 dark:text-gray-400 hover:text-gray-700 dark:hover:text-gray-200 flex items-center gap-1"
+          className="fr-btn fr-btn--tertiary-no-outline fr-btn--sm fr-icon-arrow-left-line fr-btn--icon-left fr-mb-2w"
         >
-          ← Retour aux émotions
+          Retour aux émotions
         </button>
-        <p className="text-sm text-gray-600 dark:text-gray-400 mb-3">
-          Précisez votre émotion de <span className="font-medium" style={{ color: selectedParent.couleur }}>{selectedParent.nom}</span> :
+        <p className="fr-text--sm fr-mb-2w">
+          Précisez votre émotion de{' '}
+          <span className="fr-text--bold" style={{ color: selectedParent.couleur }}>
+            {selectedParent.nom}
+          </span>{' '}
+          :
         </p>
-        <div className="grid grid-cols-2 sm:grid-cols-3 gap-3">
-          {selectedParent.enfants.map((child) => (
-            <button
-              key={child.id}
-              type="button"
-              onClick={() => onChange(child.id)}
-              className={`
-                flex flex-col items-center gap-2 p-4 rounded-xl border-2 transition-all duration-200
-                ${value === child.id
-                  ? 'border-current shadow-lg scale-105'
-                  : 'border-gray-200 dark:border-gray-700 hover:border-current hover:shadow-md'
-                }
-              `}
-              style={{
-                color: child.couleur,
-                borderColor: value === child.id ? child.couleur : undefined,
-              }}
-            >
-              <span className="text-2xl">{child.icone || '🔵'}</span>
-              <span className="text-sm font-medium text-gray-700 dark:text-gray-300">{child.nom}</span>
-            </button>
-          ))}
-        </div>
+        <ul className="fr-tags-group">
+          {selectedParent.enfants.map((child) => {
+            const isSelected = value === child.id;
+            return (
+              <li key={child.id}>
+                <button
+                  type="button"
+                  aria-pressed={isSelected}
+                  onClick={() => onChange(child.id)}
+                  className={`fr-tag${isSelected ? ' fr-tag--green-emeraude' : ''}`}
+                >
+                  <span aria-hidden="true" className="fr-mr-1v">
+                    {child.icone || '🔵'}
+                  </span>
+                  {child.nom}
+                </button>
+              </li>
+            );
+          })}
+        </ul>
       </div>
     );
   }
 
   return (
-    <div className="grid grid-cols-3 sm:grid-cols-4 gap-3">
+    <ul className="fr-tags-group">
       {emotions?.map((emotion) => {
         const hasChildren = emotion.enfants && emotion.enfants.length > 0;
-        const isSelected = value === emotion.id || emotion.enfants?.some(e => e.id === value);
+        const isSelected =
+          value === emotion.id || emotion.enfants?.some((e) => e.id === value);
 
         return (
-          <button
-            key={emotion.id}
-            type="button"
-            onClick={() => {
-              if (hasChildren) {
-                setSelectedParent(emotion);
-              } else {
-                onChange(emotion.id);
-              }
-            }}
-            className={`
-              flex flex-col items-center gap-2 p-4 rounded-xl border-2 transition-all duration-200
-              ${isSelected
-                ? 'shadow-lg scale-105'
-                : 'border-gray-200 dark:border-gray-700 hover:shadow-md'
-              }
-            `}
-            style={{
-              borderColor: isSelected ? emotion.couleur : undefined,
-            }}
-          >
-            <span className="text-3xl">{emotion.icone || '🔵'}</span>
-            <span className="text-sm font-medium text-gray-700 dark:text-gray-300">{emotion.nom}</span>
-            {hasChildren && (
-              <span className="text-xs text-gray-400">▼</span>
-            )}
-          </button>
+          <li key={emotion.id}>
+            <button
+              type="button"
+              aria-pressed={!!isSelected}
+              onClick={() => {
+                if (hasChildren) {
+                  setSelectedParent(emotion);
+                } else {
+                  onChange(emotion.id);
+                }
+              }}
+              className={`fr-tag fr-tag--md${isSelected ? ' fr-tag--green-emeraude' : ''}`}
+            >
+              <span aria-hidden="true" className="fr-mr-1v">
+                {emotion.icone || '🔵'}
+              </span>
+              {emotion.nom}
+              {hasChildren && (
+                <span aria-hidden="true" className="fr-ml-1v">
+                  ▾
+                </span>
+              )}
+            </button>
+          </li>
         );
       })}
-    </div>
+    </ul>
   );
 }
diff --git a/frontend/src/components/features/TrackerTimeline.tsx b/frontend/src/components/features/TrackerTimeline.tsx
index 61dc629..0776733 100644
--- a/frontend/src/components/features/TrackerTimeline.tsx
+++ b/frontend/src/components/features/TrackerTimeline.tsx
@@ -2,8 +2,6 @@
 
 import React from 'react';
 import type { SaisieTracker } from '@/types';
-import Badge from '@/components/ui/Badge';
-import { Trash2, Edit2 } from 'lucide-react';
 
 interface TrackerTimelineProps {
   saisies: SaisieTracker[];
@@ -14,9 +12,11 @@ interface TrackerTimelineProps {
 export default function TrackerTimeline({ saisies, onEdit, onDelete }: TrackerTimelineProps) {
   if (saisies.length === 0) {
     return (
-      <div className="text-center py-12 text-gray-400 dark:text-gray-600">
-        <p className="text-lg mb-2">Aucune saisie enregistrée</p>
-        <p className="text-sm">Commencez par enregistrer votre première émotion</p>
+      <div className="fr-callout">
+        <p className="fr-callout__title">Aucune saisie enregistrée</p>
+        <p className="fr-callout__text">
+          Commencez par enregistrer votre première émotion.
+        </p>
       </div>
     );
   }
@@ -35,78 +35,105 @@ export default function TrackerTimeline({ saisies, onEdit, onDelete }: TrackerTi
   }, {});
 
   return (
-    <div className="space-y-8">
+    <div>
       {Object.entries(grouped).map(([date, items]) => (
-        <div key={date}>
-          <h3 className="text-sm font-semibold text-gray-500 dark:text-gray-400 uppercase tracking-wide mb-4">
+        <section key={date} className="fr-mb-4w">
+          <h3 className="fr-h6 fr-text-mention--grey fr-mb-2w" style={{ textTransform: 'uppercase' }}>
             {date}
           </h3>
-          <div className="space-y-3">
+          <div className="fr-grid-row fr-grid-row--gutters">
             {items.map((saisie) => (
-              <div
-                key={saisie.id}
-                className="flex items-start gap-4 p-4 bg-white dark:bg-gray-900 rounded-xl border border-gray-100 dark:border-gray-800 hover:shadow-md transition-all duration-200"
-              >
-                {/* Icône émotion */}
-                <div
-                  className="shrink-0 w-12 h-12 rounded-xl flex items-center justify-center text-xl"
-                  style={{ backgroundColor: `${saisie.emotion?.couleur}20` }}
-                >
-                  {saisie.emotion?.icone || '🔵'}
-                </div>
+              <div key={saisie.id} className="fr-col-12">
+                <div className="fr-card fr-p-2w">
+                  <div className="fr-grid-row fr-grid-row--gutters fr-grid-row--top">
+                    {/* Icône émotion */}
+                    <div className="fr-col-auto">
+                      <span
+                        aria-hidden="true"
+                        style={{
+                          display: 'inline-flex',
+                          alignItems: 'center',
+                          justifyContent: 'center',
+                          width: '3rem',
+                          height: '3rem',
+                          borderRadius: '0.5rem',
+                          fontSize: '1.5rem',
+                          backgroundColor: `${saisie.emotion?.couleur}20`,
+                        }}
+                      >
+                        {saisie.emotion?.icone || '🔵'}
+                      </span>
+                    </div>
 
-                {/* Contenu */}
-                <div className="flex-1 min-w-0">
-                  <div className="flex items-center gap-2 mb-1">
-                    <Badge color={saisie.emotion?.couleur}>
-                      {saisie.emotion?.nom}
-                    </Badge>
-                    <span className="text-sm text-gray-400 dark:text-gray-500">
-                      Intensité : {saisie.intensite}/10
-                    </span>
-                  </div>
-                  {/* Barre d'intensité */}
-                  <div className="w-full h-1.5 bg-gray-100 dark:bg-gray-800 rounded-full mb-2">
-                    <div
-                      className="h-full rounded-full transition-all duration-500"
-                      style={{
-                        width: `${saisie.intensite * 10}%`,
-                        backgroundColor: saisie.emotion?.couleur || '#fce117',
-                      }}
-                    />
-                  </div>
-                  {saisie.note && (
-                    <p className="text-sm text-gray-600 dark:text-gray-400 line-clamp-2">
-                      {saisie.note}
-                    </p>
-                  )}
-                </div>
+                    {/* Contenu */}
+                    <div className="fr-col">
+                      <p className="fr-mb-1v">
+                        <span className="fr-badge fr-badge--info fr-mr-2v">
+                          {saisie.emotion?.nom}
+                        </span>
+                        <span className="fr-text--sm fr-text-mention--grey">
+                          Intensité : {saisie.intensite}/10
+                        </span>
+                      </p>
+                      {/* Barre d'intensité */}
+                      <div
+                        className="fr-mb-1w"
+                        style={{
+                          width: '100%',
+                          height: '0.375rem',
+                          borderRadius: '0.25rem',
+                          backgroundColor: 'var(--background-contrast-grey)',
+                          overflow: 'hidden',
+                        }}
+                      >
+                        <div
+                          style={{
+                            height: '100%',
+                            width: `${saisie.intensite * 10}%`,
+                            backgroundColor: saisie.emotion?.couleur || '#000091',
+                          }}
+                        />
+                      </div>
+                      {saisie.note && (
+                        <p className="fr-text--sm fr-mb-0">{saisie.note}</p>
+                      )}
+                    </div>
 
-                {/* Actions */}
-                <div className="flex items-center gap-1 shrink-0">
-                  {onEdit && (
-                    <button
-                      onClick={() => onEdit(saisie)}
-                      className="p-2 rounded-lg hover:bg-gray-100 dark:hover:bg-gray-800 text-gray-400 hover:text-gray-600 dark:hover:text-gray-300 transition-colors"
-                      aria-label="Modifier"
-                    >
-                      <Edit2 size={16} />
-                    </button>
-                  )}
-                  {onDelete && (
-                    <button
-                      onClick={() => onDelete(saisie.id)}
-                      className="p-2 rounded-lg hover:bg-red-50 dark:hover:bg-red-950/30 text-gray-400 hover:text-red-500 transition-colors"
-                      aria-label="Supprimer"
-                    >
-                      <Trash2 size={16} />
-                    </button>
-                  )}
+                    {/* Actions */}
+                    <div className="fr-col-auto">
+                      <ul className="fr-btns-group fr-btns-group--inline fr-btns-group--sm">
+                        {onEdit && (
+                          <li>
+                            <button
+                              type="button"
+                              onClick={() => onEdit(saisie)}
+                              className="fr-btn fr-btn--tertiary-no-outline fr-btn--sm fr-icon-edit-line"
+                              title="Modifier"
+                            >
+                              Modifier
+                            </button>
+                          </li>
+                        )}
+                        {onDelete && (
+                          <li>
+                            <button
+                              type="button"
+                              onClick={() => onDelete(saisie.id)}
+                              className="fr-btn fr-btn--tertiary-no-outline fr-btn--sm fr-icon-delete-line"
+                              title="Supprimer"
+                            >
+                              Supprimer
+                            </button>
+                          </li>
+                        )}
+                      </ul>
+                    </div>
+                  </div>
                 </div>
               </div>
             ))}
           </div>
-        </div>
+        </section>
       ))}
     </div>
   );
diff --git a/frontend/src/components/layout/Sidebar.tsx b/frontend/src/components/layout/Sidebar.tsx
index 02b6933..68fcc1c 100644
--- a/frontend/src/components/layout/Sidebar.tsx
+++ b/frontend/src/components/layout/Sidebar.tsx
@@ -3,41 +3,33 @@
 import React, { useState } from "react";
 import Link from "next/link";
 import { usePathname } from "next/navigation";
-import {
-  LayoutDashboard,
-  Users,
-  FileText,
-  Heart,
-  Menu,
-  X,
-} from "lucide-react";
 
 interface SidebarLink {
   href: string;
   label: string;
-  icon: React.ReactNode;
+  icon: string;
 }
 
 const sidebarLinks: SidebarLink[] = [
   {
     href: "/admin",
     label: "Dashboard",
-    icon: <LayoutDashboard size={20} />,
+    icon: "fr-icon-dashboard-3-line",
   },
   {
     href: "/admin/utilisateurs",
     label: "Utilisateurs",
-    icon: <Users size={20} />,
+    icon: "fr-icon-user-line",
   },
   {
     href: "/admin/contenus",
     label: "Contenus",
-    icon: <FileText size={20} />,
+    icon: "fr-icon-file-text-line",
   },
   {
     href: "/admin/emotions",
     label: "Émotions",
-    icon: <Heart size={20} />,
+    icon: "fr-icon-heart-line",
   },
 ];
 
@@ -51,83 +43,49 @@ export default function Sidebar() {
   };
 
   return (
-    <>
-      {/* Mobile toggle */}
-      <button
-        onClick={() => setCollapsed(!collapsed)}
-        className="lg:hidden fixed top-20 left-4 z-40 p-2 bg-white dark:bg-gray-900 rounded-xl shadow-lg border border-gray-200 dark:border-gray-800 text-gray-600 dark:text-gray-400"
-        aria-label="Toggle sidebar"
-      >
-        {collapsed ? <X size={20} /> : <Menu size={20} />}
-      </button>
-
-      {/* Overlay mobile */}
-      {collapsed && (
+    <nav
+      className="fr-sidemenu"
+      aria-labelledby="fr-sidemenu-title"
+      role="navigation"
+    >
+      <div className="fr-sidemenu__inner">
+        <button
+          type="button"
+          className="fr-sidemenu__btn"
+          aria-controls="fr-sidemenu-wrapper"
+          aria-expanded={collapsed}
+          onClick={() => setCollapsed(!collapsed)}
+        >
+          Menu d&apos;administration
+        </button>
         <div
-          className="lg:hidden fixed inset-0 z-30 bg-black/50 backdrop-blur-sm"
-          onClick={() => setCollapsed(false)}
-        />
-      )}
-
-      {/* Sidebar */}
-      <aside
-        className={`
-          fixed lg:sticky top-0 left-0 z-40 lg:z-auto
-          h-screen w-64
-          bg-white dark:bg-gray-950
-          border-r border-gray-200 dark:border-gray-800
-          flex flex-col
-          transition-transform duration-300 ease-in-out
-          ${collapsed ? "translate-x-0" : "-translate-x-full lg:translate-x-0"}
-        `}
-      >
-        {/* Logo */}
-        <div className="flex items-center justify-between h-16 px-6 border-b border-gray-200 dark:border-gray-800">
-          <Link href="/admin" className="flex items-center gap-0.5">
-            <span className="text-xl font-bold font-display text-malachite-500">
-              CESI
-            </span>
-            <span className="text-xl font-bold font-display text-candlelight-500">
-              ZEN
-            </span>
-          </Link>
-          <button
-            onClick={() => setCollapsed(false)}
-            className="lg:hidden p-1 rounded-lg hover:bg-gray-100 dark:hover:bg-gray-800 text-gray-500"
-          >
-            <X size={18} />
-          </button>
-        </div>
-
-        {/* Navigation */}
-        <nav className="flex-1 px-3 py-4 space-y-1 overflow-y-auto">
-          {sidebarLinks.map((link) => (
-            <Link
-              key={link.href}
-              href={link.href}
-              onClick={() => setCollapsed(false)}
-              className={`
-                flex items-center gap-3 px-4 py-3 rounded-xl text-sm font-medium transition-all duration-200
-                ${
-                  isActive(link.href)
-                    ? "bg-candlelight-100 dark:bg-candlelight-950 text-candlelight-700 dark:text-candlelight-400 shadow-sm"
-                    : "text-gray-600 dark:text-gray-400 hover:bg-gray-100 dark:hover:bg-gray-800 hover:text-gray-900 dark:hover:text-gray-200"
-                }
-              `}
-            >
-              {link.icon}
-              {link.label}
+          className={`fr-collapse${collapsed ? " fr-collapse--expanded" : ""}`}
+          id="fr-sidemenu-wrapper"
+        >
+          <div className="fr-sidemenu__title" id="fr-sidemenu-title">
+            <Link href="/admin" className="fr-sidemenu__link">
+              Administration CESIZen
             </Link>
-          ))}
-        </nav>
-
-        {/* Footer */}
-        <div className="px-6 py-4 border-t border-gray-200 dark:border-gray-800">
-          <p className="text-xs text-gray-400 dark:text-gray-600">
-            Administration CESIZen
-          </p>
+          </div>
+          <ul className="fr-sidemenu__list">
+            {sidebarLinks.map((link) => {
+              const active = isActive(link.href);
+              return (
+                <li className="fr-sidemenu__item" key={link.href}>
+                  <Link
+                    className={`fr-sidemenu__link ${link.icon} fr-link--icon-left`}
+                    href={link.href}
+                    aria-current={active ? "page" : undefined}
+                    onClick={() => setCollapsed(false)}
+                  >
+                    {link.label}
+                  </Link>
+                </li>
+              );
+            })}
+          </ul>
         </div>
-      </aside>
-    </>
+      </div>
+    </nav>
   );
 }
diff --git a/frontend/src/components/ui/Badge.tsx b/frontend/src/components/ui/Badge.tsx
index 3949949..7518073 100644
--- a/frontend/src/components/ui/Badge.tsx
+++ b/frontend/src/components/ui/Badge.tsx
@@ -8,27 +8,41 @@ interface BadgeProps {
   className?: string;
 }
 
+// Mappe une couleur (hex) vers une variante de statut DSFR `fr-badge--*`.
+// Conserve la prop `color` pour garder la même signature, mais le rendu
+// utilise désormais le système de couleurs du DSFR (thème clair/sombre géré).
+function badgeVariant(color: string): string {
+  const c = color.toLowerCase();
+  switch (c) {
+    case "#22c55e":
+    case "#16a34a":
+    case "green":
+      return "fr-badge--success";
+    case "#ef4444":
+    case "#dc2626":
+    case "red":
+      return "fr-badge--error";
+    case "#f59e0b":
+    case "#fce117":
+    case "orange":
+      return "fr-badge--warning";
+    case "#3b82f6":
+    case "#0ea5e9":
+    case "blue":
+      return "fr-badge--info";
+    default:
+      return "fr-badge--new";
+  }
+}
+
 export default function Badge({
   children,
   color = "#fce117",
   className = "",
 }: BadgeProps) {
-  return (
-    <span
-      className={`
-        inline-flex items-center
-        px-2.5 py-0.5
-        rounded-full
-        text-xs font-medium
-        transition-all duration-200
-        ${className}
-      `}
-      style={{
-        backgroundColor: `${color}20`,
-        color: color,
-      }}
-    >
-      {children}
-    </span>
-  );
+  const classes = ["fr-badge", "fr-badge--sm", badgeVariant(color), className]
+    .filter(Boolean)
+    .join(" ");
+
+  return <span className={classes}>{children}</span>;
 }
diff --git a/frontend/src/components/ui/Card.tsx b/frontend/src/components/ui/Card.tsx
index 01be35b..c0411fe 100644
--- a/frontend/src/components/ui/Card.tsx
+++ b/frontend/src/components/ui/Card.tsx
@@ -8,20 +8,17 @@ interface CardProps {
   hover?: boolean;
 }
 
+// Conteneur neutre au style DSFR (fr-card sans la structure imposée d'une carte
+// éditoriale DSFR, afin de garder un conteneur générique réutilisable).
 export default function Card({ children, className = "", hover = false }: CardProps) {
-  return (
-    <div
-      className={`
-        bg-white dark:bg-gray-900
-        rounded-2xl shadow-sm
-        border border-gray-100 dark:border-gray-800
-        p-6
-        transition-all duration-200
-        ${hover ? "hover:shadow-lg hover:-translate-y-0.5" : ""}
-        ${className}
-      `}
-    >
-      {children}
-    </div>
-  );
+  const classes = [
+    "fr-card",
+    "fr-p-3w",
+    hover ? "fr-enlarge-link" : "",
+    className,
+  ]
+    .filter(Boolean)
+    .join(" ");
+
+  return <div className={classes}>{children}</div>;
 }
diff --git a/frontend/src/components/ui/ConfirmDialog.tsx b/frontend/src/components/ui/ConfirmDialog.tsx
index 85d237c..6e949b5 100644
--- a/frontend/src/components/ui/ConfirmDialog.tsx
+++ b/frontend/src/components/ui/ConfirmDialog.tsx
@@ -1,6 +1,5 @@
 "use client";
 
-import { AlertTriangle } from "lucide-react";
 import Modal from "./Modal";
 import Button from "./Button";
 
@@ -27,42 +26,26 @@ export default function ConfirmDialog({
 }: ConfirmDialogProps) {
   return (
     <Modal isOpen={isOpen} onClose={onClose} title={title} size="sm">
-      <div className="flex items-start gap-3 mb-6">
-        <div
-          className={`flex-shrink-0 w-10 h-10 rounded-full flex items-center justify-center ${
-            destructive
-              ? "bg-red-50 dark:bg-red-950/40"
-              : "bg-malachite-50 dark:bg-malachite-950/40"
-          }`}
-        >
-          <AlertTriangle
-            size={20}
-            className={
-              destructive
-                ? "text-red-600 dark:text-red-400"
-                : "text-malachite-600 dark:text-malachite-400"
-            }
-          />
-        </div>
-        <p className="text-sm text-gray-600 dark:text-gray-300 leading-relaxed pt-1">
-          {message}
-        </p>
-      </div>
+      <p className="fr-mb-3w">{message}</p>
 
-      <div className="flex justify-end gap-2">
-        <Button variant="ghost" onClick={onClose}>
-          {cancelLabel}
-        </Button>
-        <Button
-          variant={destructive ? "danger" : "primary"}
-          onClick={() => {
-            onConfirm();
-            onClose();
-          }}
-        >
-          {confirmLabel}
-        </Button>
-      </div>
+      <ul className="fr-btns-group fr-btns-group--right fr-btns-group--inline-reverse fr-btns-group--inline-lg">
+        <li>
+          <Button
+            variant={destructive ? "danger" : "primary"}
+            onClick={() => {
+              onConfirm();
+              onClose();
+            }}
+          >
+            {confirmLabel}
+          </Button>
+        </li>
+        <li>
+          <Button variant="secondary" onClick={onClose}>
+            {cancelLabel}
+          </Button>
+        </li>
+      </ul>
     </Modal>
   );
 }
diff --git a/frontend/src/components/ui/Input.tsx b/frontend/src/components/ui/Input.tsx
index 52e4743..d6d8c54 100644
--- a/frontend/src/components/ui/Input.tsx
+++ b/frontend/src/components/ui/Input.tsx
@@ -17,42 +17,26 @@ export default function Input({
   ...inputProps
 }: InputProps) {
   const inputId = id || label?.toLowerCase().replace(/\s+/g, "-");
+  const errorId = error ? `${inputId}-error` : undefined;
 
   return (
-    <div className="w-full">
+    <div className={`fr-input-group${error ? " fr-input-group--error" : ""}`}>
       {label && (
-        <label
-          htmlFor={inputId}
-          className="block text-sm font-medium text-gray-700 dark:text-gray-300 mb-1.5"
-        >
+        <label className="fr-label" htmlFor={inputId}>
           {label}
         </label>
       )}
-      <div className="relative">
-        {icon && (
-          <div className="absolute inset-y-0 left-0 pl-3 flex items-center pointer-events-none text-gray-400 dark:text-gray-500">
-            {icon}
-          </div>
-        )}
+      <div className={icon ? "fr-input-wrap" : undefined}>
+        {icon && <span aria-hidden="true">{icon}</span>}
         <input
           id={inputId}
-          className={`
-            w-full rounded-xl border border-gray-300 dark:border-gray-700
-            bg-white dark:bg-gray-900
-            text-gray-900 dark:text-gray-100
-            placeholder:text-gray-400 dark:placeholder:text-gray-500
-            focus:outline-none focus:ring-2 focus:ring-candlelight-500 focus:border-candlelight-500
-            transition-all duration-200
-            px-4 py-2.5 text-base
-            ${icon ? "pl-10" : ""}
-            ${error ? "border-red-500 focus:ring-red-500 focus:border-red-500" : ""}
-            ${className}
-          `}
+          className={`fr-input${error ? " fr-input--error" : ""} ${className}`.trim()}
+          aria-describedby={errorId}
           {...inputProps}
         />
       </div>
       {error && (
-        <p className="mt-1.5 text-sm text-red-500 dark:text-red-400">
+        <p id={errorId} className="fr-error-text">
           {error}
         </p>
       )}
diff --git a/frontend/src/components/ui/Modal.tsx b/frontend/src/components/ui/Modal.tsx
index ac4a548..973cf59 100644
--- a/frontend/src/components/ui/Modal.tsx
+++ b/frontend/src/components/ui/Modal.tsx
@@ -1,7 +1,6 @@
 "use client";
 
 import React, { useEffect, useCallback } from "react";
-import { X } from "lucide-react";
 
 type ModalSize = "sm" | "md" | "lg";
 
@@ -13,10 +12,11 @@ interface ModalProps {
   size?: ModalSize;
 }
 
-const sizeClasses: Record<ModalSize, string> = {
-  sm: "max-w-sm",
-  md: "max-w-lg",
-  lg: "max-w-2xl",
+// Largeur de la colonne DSFR selon la taille demandée.
+const sizeColClasses: Record<ModalSize, string> = {
+  sm: "fr-col-12 fr-col-md-4",
+  md: "fr-col-12 fr-col-md-6",
+  lg: "fr-col-12 fr-col-md-8",
 };
 
 export default function Modal({
@@ -46,44 +46,49 @@ export default function Modal({
 
   if (!isOpen) return null;
 
+  // L'ouverture/fermeture est pilotée par React (isOpen/onClose), on applique
+  // donc la structure et les classes visuelles DSFR sans le JS d'ouverture DSFR.
   return (
-    <div className="fixed inset-0 z-100 flex items-center justify-center p-4">
-      {/* Overlay */}
-      <div
-        className="absolute inset-0 bg-black/50 backdrop-blur-sm animate-in fade-in duration-200"
-        onClick={onClose}
-      />
-
-      {/* Modal */}
-      <div
-        className={`
-          relative w-full ${sizeClasses[size]}
-          bg-white dark:bg-gray-900
-          rounded-2xl shadow-2xl
-          border border-gray-100 dark:border-gray-800
-          p-6
-          animate-in zoom-in-95 fade-in duration-200
-        `}
-      >
-        {/* Header */}
-        <div className="flex items-center justify-between mb-4">
-          {title && (
-            <h2 className="text-xl font-bold font-display text-gray-900 dark:text-gray-100">
-              {title}
-            </h2>
-          )}
-          <button
-            onClick={onClose}
-            className="ml-auto p-1.5 rounded-lg hover:bg-gray-100 dark:hover:bg-gray-800 transition-colors text-gray-500 dark:text-gray-400"
-            aria-label="Fermer"
-          >
-            <X size={20} />
-          </button>
+    <dialog
+      className="fr-modal fr-modal--opened"
+      aria-modal="true"
+      role="dialog"
+      open
+      style={{
+        position: "fixed",
+        inset: 0,
+        zIndex: 1000,
+        display: "block",
+        background: "transparent",
+        border: "none",
+        maxWidth: "none",
+        maxHeight: "none",
+        width: "100%",
+        height: "100%",
+      }}
+    >
+      <div className="fr-container fr-container--fluid fr-container-md">
+        <div className="fr-grid-row fr-grid-row--center">
+          <div className={sizeColClasses[size]}>
+            <div className="fr-modal__body">
+              <div className="fr-modal__header">
+                <button
+                  type="button"
+                  className="fr-btn--close fr-btn"
+                  aria-label="Fermer"
+                  onClick={onClose}
+                >
+                  Fermer
+                </button>
+              </div>
+              <div className="fr-modal__content">
+                {title && <h1 className="fr-modal__title">{title}</h1>}
+                {children}
+              </div>
+            </div>
+          </div>
         </div>
-
-        {/* Content */}
-        <div>{children}</div>
       </div>
-    </div>
+    </dialog>
   );
 }
diff --git a/frontend/src/components/ui/Skeleton.tsx b/frontend/src/components/ui/Skeleton.tsx
index 6e2fa6f..b542f27 100644
--- a/frontend/src/components/ui/Skeleton.tsx
+++ b/frontend/src/components/ui/Skeleton.tsx
@@ -9,10 +9,12 @@ interface SkeletonProps {
   variant?: SkeletonVariant;
 }
 
-const variantClasses: Record<SkeletonVariant, string> = {
-  text: "h-4 w-full rounded",
-  circle: "h-10 w-10 rounded-full",
-  rect: "h-24 w-full rounded-xl",
+// Dimensions/forme selon la variante. Couleur neutre gérée en ligne pour
+// rester cohérent avec le thème DSFR (sans couleur custom Tailwind).
+const variantStyle: Record<SkeletonVariant, React.CSSProperties> = {
+  text: { height: "1rem", width: "100%", borderRadius: "0.25rem" },
+  circle: { height: "2.5rem", width: "2.5rem", borderRadius: "9999px" },
+  rect: { height: "6rem", width: "100%", borderRadius: "0.25rem" },
 };
 
 export default function Skeleton({
@@ -21,12 +23,14 @@ export default function Skeleton({
 }: SkeletonProps) {
   return (
     <div
-      className={`
-        animate-pulse
-        bg-gray-200 dark:bg-gray-700
-        ${variantClasses[variant]}
-        ${className}
-      `}
+      className={className}
+      aria-hidden="true"
+      style={{
+        ...variantStyle[variant],
+        backgroundColor: "var(--background-contrast-grey)",
+        opacity: 0.6,
+        animation: "fr-skeleton-pulse 1.5s ease-in-out infinite",
+      }}
     />
   );
 }
diff --git a/frontend/src/components/ui/Slider.tsx b/frontend/src/components/ui/Slider.tsx
index dd2287e..90246e5 100644
--- a/frontend/src/components/ui/Slider.tsx
+++ b/frontend/src/components/ui/Slider.tsx
@@ -19,33 +19,45 @@ export default function Slider({
   label,
   showValue = true,
 }: SliderProps) {
+  const rangeId = label
+    ? `range-${label.toLowerCase().replace(/\s+/g, "-")}`
+    : "range";
+
   return (
-    <div className="w-full">
+    <div className="fr-range-group">
       {(label || showValue) && (
-        <div className="flex items-center justify-between mb-2">
-          {label && (
-            <label className="text-sm font-medium text-gray-700 dark:text-gray-300">
-              {label}
-            </label>
-          )}
+        <label className="fr-label" htmlFor={rangeId}>
+          {label}
           {showValue && (
-            <span className="text-sm font-bold text-candlelight-600 dark:text-candlelight-400 bg-candlelight-50 dark:bg-candlelight-950 px-2 py-0.5 rounded-lg">
-              {value}
-            </span>
+            <span className="fr-hint-text">Valeur sélectionnée : {value}</span>
           )}
-        </div>
+        </label>
       )}
-      <input
-        type="range"
-        min={min}
-        max={max}
-        value={value}
-        onChange={(e) => onChange(Number(e.target.value))}
-        className="w-full h-2 rounded-full appearance-none cursor-pointer bg-gray-200 dark:bg-gray-700 accent-candlelight-500"
-      />
-      <div className="flex justify-between mt-1">
-        <span className="text-xs text-gray-400 dark:text-gray-500">{min}</span>
-        <span className="text-xs text-gray-400 dark:text-gray-500">{max}</span>
+      <div
+        className="fr-range fr-range--sm"
+        data-fr-js-range="true"
+        data-fr-min={min}
+        data-fr-max={max}
+      >
+        <span
+          className="fr-range__output"
+          aria-hidden="true"
+        >{`${value}`}</span>
+        <input
+          id={rangeId}
+          type="range"
+          min={min}
+          max={max}
+          value={value}
+          step={1}
+          onChange={(e) => onChange(Number(e.target.value))}
+        />
+        <div className="fr-range__min" aria-hidden="true">
+          {min}
+        </div>
+        <div className="fr-range__max" aria-hidden="true">
+          {max}
+        </div>
       </div>
     </div>
   );
diff --git a/frontend/src/components/ui/ThemeToggle.tsx b/frontend/src/components/ui/ThemeToggle.tsx
index a6ad315..385aa68 100644
--- a/frontend/src/components/ui/ThemeToggle.tsx
+++ b/frontend/src/components/ui/ThemeToggle.tsx
@@ -1,35 +1,51 @@
 "use client";
 
 import React from "react";
-import { useTheme } from "next-themes";
-import { Sun, Moon } from "lucide-react";
+
+type Scheme = "light" | "dark";
 
 export default function ThemeToggle() {
-  const { theme, setTheme } = useTheme();
   const [mounted, setMounted] = React.useState(false);
+  const [scheme, setScheme] = React.useState<Scheme>("light");
 
   React.useEffect(() => {
     setMounted(true);
+    const current = document.documentElement.getAttribute("data-fr-theme");
+    setScheme(current === "dark" ? "dark" : "light");
   }, []);
 
+  const toggle = () => {
+    const next: Scheme = scheme === "dark" ? "light" : "dark";
+    document.documentElement.setAttribute("data-fr-theme", next);
+    document.documentElement.setAttribute("data-fr-scheme", next);
+    setScheme(next);
+  };
+
   if (!mounted) {
     return (
       <button
-        className="p-2 rounded-xl hover:bg-gray-100 dark:hover:bg-gray-800 transition-colors"
+        type="button"
+        className="fr-btn fr-btn--tertiary fr-btn--icon-left fr-icon-theme-fill"
         aria-label="Changer le thème"
       >
-        <div className="h-5 w-5" />
+        Thème
       </button>
     );
   }
 
   return (
     <button
-      onClick={() => setTheme(theme === "dark" ? "light" : "dark")}
-      className="p-2 rounded-xl hover:bg-gray-100 dark:hover:bg-gray-800 transition-all duration-200 text-gray-600 dark:text-gray-400"
-      aria-label={theme === "dark" ? "Passer en mode clair" : "Passer en mode sombre"}
+      type="button"
+      onClick={toggle}
+      className={`fr-btn fr-btn--tertiary fr-btn--icon-left ${
+        scheme === "dark" ? "fr-icon-sun-fill" : "fr-icon-moon-fill"
+      }`}
+      aria-label={
+        scheme === "dark" ? "Passer en mode clair" : "Passer en mode sombre"
+      }
+      title={scheme === "dark" ? "Passer en mode clair" : "Passer en mode sombre"}
     >
-      {theme === "dark" ? <Sun size={20} /> : <Moon size={20} />}
+      {scheme === "dark" ? "Mode clair" : "Mode sombre"}
     </button>
   );
 }