diff --git a/backend/users/serializers.py b/backend/users/serializers.py
index 0691dee..8d2c9e2 100644
--- a/backend/users/serializers.py
+++ b/backend/users/serializers.py
@@ -20,12 +20,18 @@ class UserSerializer(serializers.ModelSerializer):
 
 class RegisterSerializer(serializers.ModelSerializer):
     password = serializers.CharField(write_only=True)
+    password_confirm = serializers.CharField(write_only=True)
     invite = serializers.UUIDField(write_only=True)
 
     class Meta:
         model = User
 
-        fields = ['username', 'password', 'first_name', 'last_name', 'invite']
+        fields = ['username', 'password', 'password_confirm', 'first_name', 'last_name', 'invite']
+
+    def validate(self, attrs):
+        if attrs['password'] != attrs['password_confirm']:
+            raise serializers.ValidationError({'password_confirm': 'Les mots de passe ne correspondent pas.'})
+        return attrs
 
     def validate_invite(self, value):
         try:
@@ -38,6 +44,7 @@ class RegisterSerializer(serializers.ModelSerializer):
 
     def create(self, validated_data):
         invitation_token = validated_data.pop('invite')
+        validated_data.pop('password_confirm')
         with transaction.atomic():
             invitation = Invitation.objects.select_for_update().get(token=invitation_token)
             if not invitation.is_valid:
diff --git a/frontend/src/App.css b/frontend/src/App.css
index a0e0c14..eb2d237 100644
--- a/frontend/src/App.css
+++ b/frontend/src/App.css
@@ -1,36 +1,63 @@
 #root {
+  width: 100%;
+  min-width: 0;
+  min-height: 100dvh;
+}
+
+.app-shell {
   display: flex;
+  width: 100%;
+  min-width: 0;
+  min-height: 100dvh;
   flex-direction: column;
+}
+
+.app-shell.app--fixed {
   height: 100dvh;
-  min-height: 100vh;
+  overflow: hidden;
+}
+
+.app-shell.app--scroll {
+  min-height: 100dvh;
 }
 
 main {
+  display: flex;
+  flex-direction: column;
   width: min(var(--content-max), 100%);
+  min-width: 0;
   min-height: 0;
-  flex: 1 1 auto;
+  flex: 1 0 auto;
   margin: 0 auto;
-  overflow-y: auto;
+  overflow: visible;
   padding: 2rem clamp(1.25rem, 3vw, 2.75rem);
 }
 
 .page-route {
+  display: flex;
+  flex: 1 0 auto;
+  flex-direction: column;
   width: 100%;
+  min-width: 0;
   max-width: var(--content-max);
   min-height: 100%;
   margin: 0 auto;
 }
 
-main.main--bounded {
+main.main--fixed {
+  min-height: 0;
   overflow: hidden;
+  flex: 1 1 auto;
 }
 
-main.main--bounded .page-route {
+main.main--fixed .page-route {
   height: 100%;
+  min-height: 0;
+  flex: 1 1 auto;
   overflow: hidden;
 }
 
-main.main--flow .page-route {
+main.main--scroll .page-route {
   min-height: 100%;
 }
 
@@ -39,6 +66,7 @@ main.main--flow .page-route {
 .page-route > .page-container,
 .page-route > .weekly-schedule,
 .page-route > .home-page {
+  flex: 1 0 auto;
   width: 100%;
   max-width: none;
   margin-right: 0;
@@ -47,10 +75,21 @@ main.main--flow .page-route {
 
 .page-container {
   width: 100%;
+  min-width: 0;
   max-width: var(--content-max);
   margin: 0 auto;
 }
 
+.page-layout {
+  display: flex;
+  width: 100%;
+  min-width: 0;
+  max-width: var(--content-max);
+  min-height: 100%;
+  flex-direction: column;
+  gap: 1.5rem;
+}
+
 .page-panel,
 .card {
   padding: clamp(1.35rem, 4vw, 2.25rem);
@@ -60,24 +99,49 @@ main.main--flow .page-route {
   box-shadow: var(--shadow);
 }
 
-.page-heading {
-  margin-bottom: 1.5rem;
+.page-header {
+  display: flex;
+  align-items: flex-start;
+  justify-content: space-between;
+  gap: 1rem;
 }
 
-.page-heading h2,
-.page-panel > h2,
-.card > h2 {
+.page-header h2 {
   margin: 0;
   color: var(--text);
   font-size: clamp(1.35rem, 3vw, 1.8rem);
   letter-spacing: -0.02em;
 }
 
-.page-heading p {
+.page-header p {
   margin: 0.5rem 0 0;
   color: var(--text-muted);
 }
 
+.page-header--stacked {
+  flex-direction: column;
+}
+
+.page-section {
+  width: 100%;
+}
+
+.page-panel > h2,
+.card > h2 {
+  margin: 0 0 1.5rem;
+  color: var(--text);
+  font-size: clamp(1.35rem, 3vw, 1.8rem);
+  letter-spacing: -0.02em;
+}
+
+.page-state {
+  display: grid;
+  min-height: 240px;
+  place-items: center;
+  padding: 2rem;
+  text-align: center;
+}
+
 footer {
   flex-shrink: 0;
   padding: 1.5rem;
@@ -105,6 +169,8 @@ footer p {
   text-align: center;
   text-decoration: none;
   transition: var(--transition);
+  /* Prevent button from resizing on click */
+  flex-shrink: 0;
 }
 
 .btn:focus-visible,
@@ -154,48 +220,12 @@ input:focus-visible {
   border-color: var(--danger);
 }
 
-.admin-toolbar {
-  display: flex;
-  flex-wrap: wrap;
-  gap: 0.7rem;
-  margin-bottom: 1.25rem;
-}
-
 .btn-group {
   display: flex;
-  flex-wrap: wrap;
+  flex-wrap: nowrap;
   gap: 0.45rem;
 }
 
-.invite-result {
-  margin-top: 1.5rem;
-}
-
-.invite-result h3,
-.info-panel h3 {
-  margin: 0 0 0.75rem;
-  color: var(--text);
-  font-size: 1rem;
-}
-
-.invite-link-box {
-  display: flex;
-  align-items: center;
-  gap: 0.7rem;
-  padding: 0.7rem;
-  background: var(--surface-muted);
-  border: 1px solid var(--border);
-  border-radius: var(--radius-sm);
-}
-
-.invite-link-input {
-  min-width: 0;
-  padding: 0.5rem;
-  color: var(--text-muted);
-  background: transparent;
-  border: 0;
-}
-
 .helper-text {
   margin: 0.7rem 0 0;
   color: var(--text-muted);
@@ -332,12 +362,6 @@ tbody tr:hover {
   border: 1px solid #c7e5d2;
 }
 
-.loading {
-  display: grid;
-  min-height: 240px;
-  place-items: center;
-}
-
 .spinner {
   width: 38px;
   height: 38px;
@@ -353,6 +377,8 @@ tbody tr:hover {
 
 @media (max-width: 700px) {
   main {
+    width: 100%;
+    min-height: 0;
     padding: 1.25rem 1rem;
   }
 
diff --git a/frontend/src/App.jsx b/frontend/src/App.jsx
index aa21d93..987d114 100644
--- a/frontend/src/App.jsx
+++ b/frontend/src/App.jsx
@@ -10,13 +10,22 @@ import TimeClockPage from './pages/TimeClockPage';
 import WeeklySummaryPage from './pages/WeeklySummaryPage';
 import './App.css';
 
+const pageLayout = {
+  '/': { scroll: false },
+  '/login': { scroll: false },
+  '/register': { scroll: false },
+  '/pointage': { scroll: true },
+  '/users': { scroll: false },
+  '/weekly-summary': { scroll: false },
+};
+
 function App() {
   const { pathname } = useLocation();
-  const boundedPages = ['/weekly-summary'];
-  const layoutMode = boundedPages.includes(pathname) ? 'bounded' : 'flow';
+  const shouldScroll = pageLayout[pathname]?.scroll ?? true;
+  const layoutMode = shouldScroll ? 'scroll' : 'fixed';
 
   return (
-    <div id="root">
+    <div className={`app-shell app--${layoutMode}`}>
       <Header />
       <main className={`main--${layoutMode}`}>
         <div className="page-route">
diff --git a/frontend/src/components/AdminRoute.jsx b/frontend/src/components/AdminRoute.jsx
index 423dfb3..efd5d31 100644
--- a/frontend/src/components/AdminRoute.jsx
+++ b/frontend/src/components/AdminRoute.jsx
@@ -7,7 +7,7 @@ const AdminRoute = ({ children }) => {
   const location = useLocation();
 
   if (loading) {
-    return <div>Loading...</div>;
+    return <div className="page-state">Chargement...</div>;
   }
 
   if (!user) {
diff --git a/frontend/src/components/ProtectedRoute.jsx b/frontend/src/components/ProtectedRoute.jsx
index bfbceff..6fd5471 100644
--- a/frontend/src/components/ProtectedRoute.jsx
+++ b/frontend/src/components/ProtectedRoute.jsx
@@ -7,7 +7,7 @@ const ProtectedRoute = ({ children }) => {
   const location = useLocation();
 
   if (loading) {
-    return <div>Loading...</div>;
+    return <div className="page-state">Chargement...</div>;
   }
 
   if (!user) {
diff --git a/frontend/src/pages/AdminUsersPage.css b/frontend/src/pages/AdminUsersPage.css
new file mode 100644
index 0000000..b0a1357
--- /dev/null
+++ b/frontend/src/pages/AdminUsersPage.css
@@ -0,0 +1,43 @@
+.invite-result h3,
+.info-panel h3 {
+  margin: 0 0 0.75rem;
+  color: var(--text);
+  font-size: 1rem;
+}
+
+.invite-link-input {
+  flex: 1 1 auto;
+  width: auto;
+  min-width: 0;
+  color: var(--text-muted);
+  background: transparent;
+  border: 0;
+  padding: 0.7rem 0.8rem;
+  border-radius: var(--radius-sm);
+  border: 1px solid var(--border);
+}
+
+.admin-toolbar {
+  display: flex;
+  align-items: center;
+  flex-wrap: wrap;
+}
+
+.invite-actions {
+  display: flex;
+  width: 100%;
+  align-items: center;
+  gap: 0.7rem;
+}
+
+@media (max-width: 600px) {
+  .invite-actions {
+    align-items: stretch;
+    flex-direction: column;
+  }
+
+  .invite-actions .btn,
+  .invite-link-input {
+    width: 100%;
+  }
+}
\ No newline at end of file
diff --git a/frontend/src/pages/AdminUsersPage.jsx b/frontend/src/pages/AdminUsersPage.jsx
index e3b9630..a496c63 100644
--- a/frontend/src/pages/AdminUsersPage.jsx
+++ b/frontend/src/pages/AdminUsersPage.jsx
@@ -1,6 +1,6 @@
 import React, { useState, useEffect } from 'react';
 import { userApi } from '../api/users';
-
+import './AdminUsersPage.css';
 const AdminUsersPage = () => {
   const [users, setUsers] = useState([]);
   const [loading, setLoading] = useState(true);
@@ -82,44 +82,24 @@ const AdminUsersPage = () => {
 
   if (loading) {
     return (
-      <div className="card page-container admin-page">
-        <h2>Gestion des comptes</h2>
+      <div className="card page-container page-layout admin-page">
+        <header className="page-header page-header--stacked">
+          <h2>Gestion des comptes</h2>
+        </header>
         <p>Chargement des utilisateurs...</p>
       </div>
     );
   }
 
   return (
-    <div className="card page-container admin-page">
-      <h2>Gestion des comptes</h2>
-      {error && <div className="alert alert-danger">{error}</div>}
-      
-      <div className="admin-toolbar">
-        <button 
-          onClick={generateInviteLink}
-          className="btn btn-primary"
-        >
-          Inviter un utilisateur
-        </button>
-        {inviteLink && (
-          <div className="invite-link-box">
-            <input
-              type="text"
-              value={inviteLink}
-              readOnly
-              className="invite-link-input"
-            />
-            <button 
-              onClick={copyToClipboard}
-              className="btn btn-secondary"
-            >
-              {isCopied ? 'Copié!' : 'Copier'}
-            </button>
-          </div>
-        )}
-      </div>
+    <div className="card page-container page-layout admin-page">
+      <header className="page-header page-header--stacked">
+        <h2>Gestion des comptes</h2>
+      </header>
 
-      <div className="table-responsive">
+      {error && <div className="alert alert-danger">{error}</div>}
+
+      <section className="page-section table-responsive">
         <table>
           <thead>
             <tr>
@@ -163,7 +143,42 @@ const AdminUsersPage = () => {
             ))}
           </tbody>
         </table>
-      </div>
+      </section>
+
+      <section className="page-section">
+        {inviteLink ? (
+          <div className="invite-actions">
+            <button
+              onClick={generateInviteLink}
+              className="btn btn-primary"
+            >
+              Inviter un utilisateur
+            </button>
+            <input
+              type="text"
+              value={inviteLink}
+              readOnly
+              className="invite-link-input"
+            />
+            <button
+              onClick={copyToClipboard}
+              className="btn btn-secondary"
+            >
+              {isCopied ? 'Copié!' : 'Copier'}
+            </button>
+          </div>
+        ) : (
+          <div className="invite-actions">
+            <button
+              onClick={generateInviteLink}
+              className="btn btn-primary"
+            >
+              Inviter un utilisateur
+            </button>
+          </div>
+        )}
+      </section>
+
     </div>
   );
 };
diff --git a/frontend/src/pages/HomePage.jsx b/frontend/src/pages/HomePage.jsx
index 04c88d6..22e20dc 100644
--- a/frontend/src/pages/HomePage.jsx
+++ b/frontend/src/pages/HomePage.jsx
@@ -19,16 +19,18 @@ const HomePage = () => {
 
   if (loading) {
     return (
-      <div className="loading">
+      <div className="page-panel page-container page-state">
         <div className="spinner"></div>
       </div>
     );
   }
 
   return (
-    <div className="page-panel page-container home-page">
-      <div className="page-heading">
+    <div className="page-panel page-container page-layout home-page">
+      <header className="page-header page-header--stacked">
         <h2>Profil Utilisateur</h2>
+      </header>
+      <section className="page-section">
         {userData && (
           <div className="user-info">
             <div className="info-item">
@@ -45,7 +47,7 @@ const HomePage = () => {
             </div>
           </div>
         )}
-      </div>
+      </section>
     </div>
   );
 };
diff --git a/frontend/src/pages/LoginPage.jsx b/frontend/src/pages/LoginPage.jsx
index 42c81af..f7ec26a 100644
--- a/frontend/src/pages/LoginPage.jsx
+++ b/frontend/src/pages/LoginPage.jsx
@@ -26,11 +26,14 @@ const LoginPage = () => {
   };
 
   return (
-    <div className="auth-page">
+    <div className="auth-page page-layout">
       <div className="page-panel auth-card">
-      <h2>Connexion</h2>
+      <header className="page-header page-header--stacked">
+        <h2>Connexion</h2>
+      </header>
       {error && <div className="alert alert-danger">{error}</div>}
-      <form onSubmit={handleSubmit}>
+      <section className="page-section">
+        <form onSubmit={handleSubmit}>
         <div className="form-group">
           <label htmlFor="username">Nom d'utilisateur:</label>
           <input
@@ -56,7 +59,8 @@ const LoginPage = () => {
         <button type="submit" className="btn btn-primary">
           Se connecter
         </button>
-      </form>
+        </form>
+      </section>
       </div>
     </div>
   );
diff --git a/frontend/src/pages/RegisterPage.jsx b/frontend/src/pages/RegisterPage.jsx
index bfd88f9..e7097b5 100644
--- a/frontend/src/pages/RegisterPage.jsx
+++ b/frontend/src/pages/RegisterPage.jsx
@@ -6,7 +6,13 @@ import './LoginPage.css';
 const RegisterPage = () => {
   const invite = new URLSearchParams(useLocation().search).get('invite') || '';
   const navigate = useNavigate();
-  const [form, setForm] = useState({ username: '', password: '' });
+  const [form, setForm] = useState({
+    first_name: '',
+    last_name: '',
+    username: '',
+    password: '',
+    password_confirm: '',
+  });
   const [error, setError] = useState('');
   const [isCreated, setIsCreated] = useState(false);
 
@@ -18,28 +24,62 @@ const RegisterPage = () => {
       setIsCreated(true);
     } catch (requestError) {
       const detail = requestError.response?.data;
-      setError(detail?.invite?.[0] || detail?.username?.[0] || 'Impossible de créer le compte.');
+      setError(
+        detail?.invite?.[0]
+        || detail?.first_name?.[0]
+        || detail?.last_name?.[0]
+        || detail?.username?.[0]
+        || detail?.password?.[0]
+        || detail?.password_confirm?.[0]
+        || 'Impossible de créer le compte.',
+      );
     }
   };
 
   if (!invite) {
-    return <div className="auth-page"><div className="page-panel auth-card"><h2>Lien invalide</h2><p>Un lien d’invitation est nécessaire pour créer un compte.</p></div></div>;
+    return (
+      <div className="auth-page page-layout">
+        <div className="page-panel auth-card">
+          <header className="page-header page-header--stacked">
+            <h2>Lien invalide</h2>
+          </header>
+          <p>Un lien d’invitation est nécessaire pour créer un compte.</p>
+        </div>
+      </div>
+    );
   }
 
   if (isCreated) {
-    return <div className="auth-page"><div className="page-panel auth-card"><h2>Compte créé</h2><p>Votre compte est prêt. Vous pouvez maintenant vous connecter.</p><button className="btn btn-primary" onClick={() => navigate('/login')}>Se connecter</button></div></div>;
+    return (
+      <div className="auth-page page-layout">
+        <div className="page-panel auth-card">
+          <header className="page-header page-header--stacked">
+            <h2>Compte créé</h2>
+          </header>
+          <p>Votre compte est prêt. Vous pouvez maintenant vous connecter.</p>
+          <button className="btn btn-primary" onClick={() => navigate('/login')}>Se connecter</button>
+        </div>
+      </div>
+    );
   }
 
   return (
-    <div className="auth-page">
+    <div className="auth-page page-layout">
       <div className="page-panel auth-card">
-        <h2>Créer un compte</h2>
+        <header className="page-header page-header--stacked">
+          <h2>Créer un compte</h2>
+        </header>
         {error && <div className="alert alert-danger">{error}</div>}
-        <form onSubmit={handleSubmit}>
-          <div className="form-group"><label htmlFor="username">Nom d'utilisateur</label><input id="username" required value={form.username} onChange={(event) => setForm({ ...form, username: event.target.value })} /></div>
-          <div className="form-group"><label htmlFor="password">Mot de passe</label><input id="password" type="password" required minLength="8" value={form.password} onChange={(event) => setForm({ ...form, password: event.target.value })} /></div>
-          <button type="submit" className="btn btn-primary">Créer mon compte</button>
-        </form>
+        <section className="page-section">
+          <form onSubmit={handleSubmit}>
+            <div className="form-group"><label htmlFor="first-name">Prénom</label><input id="first-name" required value={form.first_name} onChange={(event) => setForm({ ...form, first_name: event.target.value })} /></div>
+            <div className="form-group"><label htmlFor="last-name">Nom</label><input id="last-name" required value={form.last_name} onChange={(event) => setForm({ ...form, last_name: event.target.value })} /></div>
+            <div className="form-group"><label htmlFor="username">Nom d'utilisateur</label><input id="username" required value={form.username} onChange={(event) => setForm({ ...form, username: event.target.value })} /></div>
+            <div className="form-group"><label htmlFor="password">Mot de passe</label><input id="password" type="password" required minLength="8" value={form.password} onChange={(event) => setForm({ ...form, password: event.target.value })} /></div>
+            <div className="form-group"><label htmlFor="password-confirm">Confirmer le mot de passe</label><input id="password-confirm" type="password" required minLength="8" value={form.password_confirm} onChange={(event) => setForm({ ...form, password_confirm: event.target.value })} /></div>
+            <button type="submit" className="btn btn-primary">Créer mon compte</button>
+          </form>
+        </section>
       </div>
     </div>
   );
diff --git a/frontend/src/pages/TimeClockPage.css b/frontend/src/pages/TimeClockPage.css
index fb71e47..b6fd203 100644
--- a/frontend/src/pages/TimeClockPage.css
+++ b/frontend/src/pages/TimeClockPage.css
@@ -111,6 +111,17 @@
   margin: 0 0 1rem;
 }
 
+.form-group--inline {
+  display: grid;
+  grid-template-columns: minmax(130px, 0.35fr) minmax(0, 1fr);
+  align-items: center;
+  gap: 1rem;
+}
+
+.form-group--inline label {
+  margin: 0;
+}
+
 .time-entries-list {
   margin: 1.25rem 0;
 }
@@ -159,4 +170,11 @@
     grid-column: auto;
     grid-row: auto;
   }
+}
+
+@media (max-width: 520px) {
+  .form-group--inline {
+    grid-template-columns: 1fr;
+    gap: 0.35rem;
+  }
 }
\ No newline at end of file
diff --git a/frontend/src/pages/TimeClockPage.jsx b/frontend/src/pages/TimeClockPage.jsx
index 7968a31..5d67b37 100644
--- a/frontend/src/pages/TimeClockPage.jsx
+++ b/frontend/src/pages/TimeClockPage.jsx
@@ -321,12 +321,10 @@ const TimeClockPage = () => {
   };
 
   return (
-    <div className="card time-clock-page">
-      <div className="time-clock-intro">
-        <span className="page-eyebrow">Présence</span>
+    <div className="card page-layout time-clock-page">
+      <header className="page-header page-header--stacked time-clock-intro">
         <h2>Pointage</h2>
-        <p>Scannez le QR code présent sur votre lieu de travail pour enregistrer votre passage.</p>
-      </div>
+      </header>
 
       {error && <div className="alert alert-danger">{error}</div>}
 
@@ -367,7 +365,7 @@ const TimeClockPage = () => {
       )}
 
       {/* Time tracking section */}
-      <div className="time-tracking-section">
+      <section className="page-section time-tracking-section">
         <div className={isAdmin ? 'admin-time-layout' : undefined}>
           {isAdmin && (
             <div className="admin-entry-panel">
@@ -375,7 +373,7 @@ const TimeClockPage = () => {
                 <div className="time-entry-form">
                   <h4>Modifier le pointage du {formatDate(editingEntry.date)}</h4>
                   <form onSubmit={handleUpdateEntry}>
-                    <div className="form-group">
+                    <div className="form-group form-group--inline">
                       <label htmlFor="edit-start-time">Heure d'entrée :</label>
                       <input
                         id="edit-start-time"
@@ -384,7 +382,7 @@ const TimeClockPage = () => {
                         onChange={(e) => setEditForm({ ...editForm, start_time: e.target.value })}
                       />
                     </div>
-                    <div className="form-group">
+                    <div className="form-group form-group--inline">
                       <label htmlFor="edit-end-time">Heure de sortie :</label>
                       <input
                         id="edit-end-time"
@@ -405,7 +403,7 @@ const TimeClockPage = () => {
                 <div className="time-entry-form">
                   <h4>Ajouter un pointage manuel</h4>
                   <form onSubmit={handleAddEntry}>
-                    <div className="form-group">
+                    <div className="form-group form-group--inline">
                       <label>Date:</label>
                       <input
                         type="date"
@@ -414,7 +412,7 @@ const TimeClockPage = () => {
                         required
                       />
                     </div>
-                    <div className="form-group">
+                    <div className="form-group form-group--inline">
                       <label>Date de sortie:</label>
                       <input
                         type="date"
@@ -424,7 +422,7 @@ const TimeClockPage = () => {
                         required
                       />
                     </div>
-                    <div className="form-group">
+                    <div className="form-group form-group--inline">
                       <label>Heure d'entrée:</label>
                       <input
                         type="time"
@@ -433,7 +431,7 @@ const TimeClockPage = () => {
                         required
                       />
                     </div>
-                    <div className="form-group">
+                    <div className="form-group form-group--inline">
                       <label>Heure de sortie:</label>
                       <input
                         type="time"
@@ -505,7 +503,7 @@ const TimeClockPage = () => {
           )}
           </div>
         </div>
-      </div>
+      </section>
     </div>
   );
 };
diff --git a/frontend/src/pages/WeeklySummaryPage.css b/frontend/src/pages/WeeklySummaryPage.css
index 3d118d7..1c2297c 100644
--- a/frontend/src/pages/WeeklySummaryPage.css
+++ b/frontend/src/pages/WeeklySummaryPage.css
@@ -6,7 +6,6 @@
   color: var(--text);
 }
 
-.weekly-schedule.loading,
 .weekly-schedule.schedule-error {
   padding: 40px 24px;
   text-align: center;
@@ -76,6 +75,11 @@
   white-space: nowrap;
 }
 
+.current-day,
+.day-navigation-button {
+  display: none;
+}
+
 .nav-button {
   padding: 9px 12px;
   color: var(--text);
@@ -257,11 +261,50 @@
   }
 
   .current-week {
+    display: none;
+  }
+
+  .current-day {
+    display: block;
     grid-column: 1 / -1;
     grid-row: 1;
+    color: var(--text-muted);
+    font-size: .9rem;
+    font-weight: 700;
+    text-align: center;
+    text-transform: capitalize;
+  }
+
+  .week-navigation-button {
+    display: none;
+  }
+
+  .day-navigation-button {
+    display: inline-flex;
   }
 
   .nav-button {
     width: 100%;
   }
+
+  .schedule-table {
+    grid-template-columns: 58px minmax(0, 1fr);
+    min-width: 0;
+    overflow-x: hidden;
+  }
+
+  .schedule-day-header:not(.schedule-time-header):not(.is-selected),
+  .schedule-day-column:not(.is-selected) {
+    display: none;
+  }
+
+  .schedule-day-header.is-selected,
+  .schedule-day-column.is-selected {
+    grid-column: 2;
+  }
+
+  .schedule-time-header,
+  .schedule-time-axis {
+    grid-column: 1;
+  }
 }
\ No newline at end of file
diff --git a/frontend/src/pages/WeeklySummaryPage.jsx b/frontend/src/pages/WeeklySummaryPage.jsx
index 0696d02..f7a25f0 100644
--- a/frontend/src/pages/WeeklySummaryPage.jsx
+++ b/frontend/src/pages/WeeklySummaryPage.jsx
@@ -20,6 +20,10 @@ const WeeklySummaryPage = ({ userId }) => {
   const { isAdmin } = useAuth();
   const [attendances, setAttendances] = useState([]);
   const [currentWeek, setCurrentWeek] = useState(new Date());
+  const [selectedDayIndex, setSelectedDayIndex] = useState(() => {
+    const day = new Date().getDay();
+    return day === 0 ? 6 : day - 1;
+  });
   const [loading, setLoading] = useState(true);
   const [error, setError] = useState('');
   const [viewportHeight, setViewportHeight] = useState(() => window.innerHeight);
@@ -178,6 +182,18 @@ const WeeklySummaryPage = ({ userId }) => {
     setCurrentWeek(newWeek);
   };
 
+  const navigateDay = (direction) => {
+    const nextDayIndex = selectedDayIndex + direction;
+
+    if (nextDayIndex < 0 || nextDayIndex > 6) {
+      navigateWeek(direction);
+      setSelectedDayIndex(direction < 0 ? 6 : 0);
+      return;
+    }
+
+    setSelectedDayIndex(nextDayIndex);
+  };
+
   const getScheduleBounds = (weekDays) => {
     const weekDateKeys = new Set(weekDays.map(formatDateKey));
     const weekAttendances = expandOvernightAttendances(attendances).filter((attendance) => (
@@ -211,11 +227,11 @@ const WeeklySummaryPage = ({ userId }) => {
   };
 
   if (loading) {
-    return <div className="weekly-schedule loading">Chargement...</div>;
+    return <div className="card page-layout page-state weekly-schedule">Chargement...</div>;
   }
 
   if (error) {
-    return <div className="weekly-schedule schedule-error">{error}</div>;
+    return <div className="card page-layout page-state weekly-schedule schedule-error">{error}</div>;
   }
 
   const weekDays = getWeekDays(currentWeek);
@@ -231,44 +247,48 @@ const WeeklySummaryPage = ({ userId }) => {
     .map((username) => ({ username, color: getUserColor(username) }));
 
   return (
-    <div className={`weekly-schedule card${isAdmin ? ' multi-user-schedule' : ''}`}>
-      <div className="schedule-header">
+    <div className={`weekly-schedule card page-layout${isAdmin ? ' multi-user-schedule' : ''}`}>
+      <header className="page-header schedule-header">
         <div>
-          <span className="page-eyebrow">{isAdmin ? 'Vue équipe' : 'Votre présence'}</span>
           <h2>{isAdmin ? 'Récapitulatif de tous les utilisateurs' : 'Emploi du temps hebdomadaire'}</h2>
         </div>
         <div className="week-navigation">
-          <button type="button" onClick={() => navigateWeek(-1)} className="nav-button">Semaine précédente</button>
+          <button type="button" onClick={() => navigateWeek(-1)} className="nav-button week-navigation-button">{'<'} Précédente</button>
+          <button type="button" onClick={() => navigateDay(-1)} className="nav-button day-navigation-button" aria-label="Jour précédent">{'<'} Jour précédent</button>
           <span className="current-week">
             Du {weekDays[0].toLocaleDateString('fr-FR', { day: '2-digit', month: 'short' })}
             {' '}au {weekDays[6].toLocaleDateString('fr-FR', { day: '2-digit', month: 'short' })}
           </span>
-          <button type="button" onClick={() => navigateWeek(1)} className="nav-button">Semaine suivante</button>
+          <span className="current-day">
+            {weekDays[selectedDayIndex].toLocaleDateString('fr-FR', { weekday: 'long', day: '2-digit', month: 'short' })}
+          </span>
+          <button type="button" onClick={() => navigateDay(1)} className="nav-button day-navigation-button" aria-label="Jour suivant">Jour suivant {'>'}</button>
+          <button type="button" onClick={() => navigateWeek(1)} className="nav-button week-navigation-button">Suivante {'>'}</button>
         </div>
-      </div>
+      </header>
 
       {isAdmin && legendUsers.length > 0 && (
-        <div className="schedule-legend" aria-label="Légende des utilisateurs">
+        <section className="page-section schedule-legend" aria-label="Légende des utilisateurs">
           {legendUsers.map(({ username, color }) => (
             <span className="legend-user" key={username}>
               <i className="legend-swatch" style={{ backgroundColor: color }} aria-hidden="true" />
               {username}
             </span>
           ))}
-        </div>
+        </section>
       )}
 
       <div
-        className="schedule-table"
+        className="page-section schedule-table"
         ref={scheduleTableRef}
         style={{
           '--schedule-height': `${scheduleHeight}px`,
           '--hour-height': `${hourHeight}px`,
         }}
       >
-        <div className="schedule-day-header">Heure</div>
-        {weekDays.map((day) => (
-          <div className="schedule-day-header" key={formatDateKey(day)}>
+        <div className="schedule-day-header schedule-time-header">Heure</div>
+        {weekDays.map((day, dayIndex) => (
+          <div className={`schedule-day-header${dayIndex === selectedDayIndex ? ' is-selected' : ''}`} key={formatDateKey(day)}>
             <span>{day.toLocaleDateString('fr-FR', { weekday: 'short' })}</span>
             <strong>{day.getDate()}</strong>
           </div>
@@ -278,8 +298,8 @@ const WeeklySummaryPage = ({ userId }) => {
           {hours.map((hour) => <span key={hour}>{formatHour(hour)}</span>)}
         </div>
 
-        {weekDays.map((day) => (
-          <div className="schedule-day-column" key={formatDateKey(day)}>
+        {weekDays.map((day, dayIndex) => (
+          <div className={`schedule-day-column${dayIndex === selectedDayIndex ? ' is-selected' : ''}`} key={formatDateKey(day)}>
             {hours.map((hour) => <span className="schedule-hour-line" key={hour} />)}
             {isAdmin ? getAttendanceColumns(getAttendancesForDay(day)).map(({ start, end, username, color }, columnIndex) => {
               const startTime = formatSegmentTime(start);
@@ -316,7 +336,6 @@ const WeeklySummaryPage = ({ userId }) => {
                   key={`${formatDateKey(day)}-${start}-${end}`}
                 >
                   <strong>{startTime} - {endTime}</strong>
-                  <span>{segmentLabel}</span>
                 </div>
               );
             })}