diff --git a/backend/src/routes/user/dto/update_gestionnaire.dto.ts b/backend/src/routes/user/dto/update_gestionnaire.dto.ts
index 4aef50e..c6956bc 100644
--- a/backend/src/routes/user/dto/update_gestionnaire.dto.ts
+++ b/backend/src/routes/user/dto/update_gestionnaire.dto.ts
@@ -1,10 +1,4 @@
-import { PartialType, ApiProperty } from "@nestjs/swagger";
-import { CreateUserDto } from "./create_user.dto";
-import { IsOptional, IsUUID } from "class-validator";
+import { PartialType } from "@nestjs/swagger";
+import { CreateGestionnaireDto } from "./create_gestionnaire.dto";
 
-export class UpdateGestionnaireDto extends PartialType(CreateUserDto) {
-  @ApiProperty({ required: false, description: 'ID du relais de rattachement' })
-  @IsOptional()
-  @IsUUID()
-  relaisId?: string;
-}
+export class UpdateGestionnaireDto extends PartialType(CreateGestionnaireDto) {}
diff --git a/backend/src/routes/user/user.service.ts b/backend/src/routes/user/user.service.ts
index 6b2581e..b8a88e0 100644
--- a/backend/src/routes/user/user.service.ts
+++ b/backend/src/routes/user/user.service.ts
@@ -155,6 +155,16 @@ export class UserService {
     async updateUser(id: string, dto: UpdateUserDto, currentUser: Users): Promise<Users> {
         const user = await this.findOne(id);
 
+        // Le super administrateur conserve une identité figée.
+        if (
+            user.role === RoleType.SUPER_ADMIN &&
+            (dto.nom !== undefined || dto.prenom !== undefined)
+        ) {
+            throw new ForbiddenException(
+                'Le nom et le prénom du super administrateur ne peuvent pas être modifiés',
+            );
+        }
+
         // Interdire changement de rôle si pas super admin
         if (dto.role && currentUser.role !== RoleType.SUPER_ADMIN) {
             throw new ForbiddenException('Accès réservé aux super admins');
@@ -256,6 +266,12 @@ export class UserService {
         if (currentUser.role !== RoleType.SUPER_ADMIN) {
             throw new ForbiddenException('Accès réservé aux super admins');
         }
+        const user = await this.findOne(id);
+        if (user.role === RoleType.SUPER_ADMIN) {
+            throw new ForbiddenException(
+                'Le super administrateur ne peut pas être supprimé',
+            );
+        }
         const result = await this.usersRepository.delete(id);
         if (result.affected === 0) {
             throw new NotFoundException('Utilisateur introuvable');
diff --git a/frontend/lib/screens/administrateurs/creation/gestionnaires_create.dart b/frontend/lib/screens/administrateurs/creation/gestionnaires_create.dart
index e658063..3a2ce05 100644
--- a/frontend/lib/screens/administrateurs/creation/gestionnaires_create.dart
+++ b/frontend/lib/screens/administrateurs/creation/gestionnaires_create.dart
@@ -1,29 +1,37 @@
 import 'package:flutter/material.dart';
+import 'package:flutter/services.dart';
 import 'package:p_tits_pas/models/relais_model.dart';
 import 'package:p_tits_pas/models/user.dart';
 import 'package:p_tits_pas/services/relais_service.dart';
 import 'package:p_tits_pas/services/user_service.dart';
 
-class GestionnaireCreateDialog extends StatefulWidget {
+class AdminUserFormDialog extends StatefulWidget {
   final AppUser? initialUser;
+  final bool withRelais;
+  final bool adminMode;
+  final bool readOnly;
 
-  const GestionnaireCreateDialog({
+  const AdminUserFormDialog({
     super.key,
     this.initialUser,
+    this.withRelais = true,
+    this.adminMode = false,
+    this.readOnly = false,
   });
 
   @override
-  State<GestionnaireCreateDialog> createState() =>
-      _GestionnaireCreateDialogState();
+  State<AdminUserFormDialog> createState() => _AdminUserFormDialogState();
 }
 
-class _GestionnaireCreateDialogState extends State<GestionnaireCreateDialog> {
+class _AdminUserFormDialogState extends State<AdminUserFormDialog> {
   final _formKey = GlobalKey<FormState>();
   final _nomController = TextEditingController();
   final _prenomController = TextEditingController();
   final _emailController = TextEditingController();
   final _passwordController = TextEditingController();
   final _telephoneController = TextEditingController();
+  final _passwordToggleFocusNode =
+      FocusNode(skipTraversal: true, canRequestFocus: false);
 
   bool _isSubmitting = false;
   bool _obscurePassword = true;
@@ -31,6 +39,50 @@ class _GestionnaireCreateDialogState extends State<GestionnaireCreateDialog> {
   List<RelaisModel> _relais = [];
   String? _selectedRelaisId;
   bool get _isEditMode => widget.initialUser != null;
+  bool get _isSuperAdminTarget =>
+      widget.initialUser?.role.toLowerCase() == 'super_admin';
+  bool get _isLockedAdminIdentity =>
+      _isEditMode && widget.adminMode && _isSuperAdminTarget;
+  String get _targetRoleKey {
+    if (widget.initialUser != null) {
+      return widget.initialUser!.role.toLowerCase();
+    }
+    return widget.adminMode ? 'administrateur' : 'gestionnaire';
+  }
+
+  String get _targetRoleLabel {
+    switch (_targetRoleKey) {
+      case 'super_admin':
+        return 'Super administrateur';
+      case 'administrateur':
+        return 'Administrateur';
+      case 'gestionnaire':
+        return 'Gestionnaire';
+      case 'assistante_maternelle':
+        return 'Assistante maternelle';
+      case 'parent':
+        return 'Parent';
+      default:
+        return 'Utilisateur';
+    }
+  }
+
+  IconData get _targetRoleIcon {
+    switch (_targetRoleKey) {
+      case 'super_admin':
+        return Icons.verified_user_outlined;
+      case 'administrateur':
+        return Icons.admin_panel_settings_outlined;
+      case 'gestionnaire':
+        return Icons.assignment_ind_outlined;
+      case 'assistante_maternelle':
+        return Icons.child_care_outlined;
+      case 'parent':
+        return Icons.supervisor_account_outlined;
+      default:
+        return Icons.person_outline;
+    }
+  }
 
   @override
   void initState() {
@@ -40,7 +92,7 @@ class _GestionnaireCreateDialogState extends State<GestionnaireCreateDialog> {
       _nomController.text = user.nom ?? '';
       _prenomController.text = user.prenom ?? '';
       _emailController.text = user.email;
-      _telephoneController.text = user.telephone ?? '';
+      _telephoneController.text = _formatPhoneForDisplay(user.telephone ?? '');
       // En édition, on ne préremplit jamais le mot de passe.
       _passwordController.clear();
       final initialRelaisId = user.relaisId?.trim();
@@ -49,7 +101,11 @@ class _GestionnaireCreateDialogState extends State<GestionnaireCreateDialog> {
               ? null
               : initialRelaisId;
     }
-    _loadRelais();
+    if (widget.withRelais) {
+      _loadRelais();
+    } else {
+      _isLoadingRelais = false;
+    }
   }
 
   @override
@@ -59,6 +115,7 @@ class _GestionnaireCreateDialogState extends State<GestionnaireCreateDialog> {
     _emailController.dispose();
     _passwordController.dispose();
     _telephoneController.dispose();
+    _passwordToggleFocusNode.dispose();
     super.dispose();
   }
 
@@ -122,7 +179,68 @@ class _GestionnaireCreateDialogState extends State<GestionnaireCreateDialog> {
     return null;
   }
 
+  String? _validatePhone(String? value) {
+    if (_isEditMode && (value == null || value.trim().isEmpty)) {
+      return null;
+    }
+    final base = _required(value, 'Téléphone');
+    if (base != null) return base;
+    final digits = _normalizePhone(value!);
+    if (digits.length != 10) {
+      return 'Le téléphone doit contenir 10 chiffres';
+    }
+    if (!digits.startsWith('0')) {
+      return 'Le téléphone doit commencer par 0';
+    }
+    return null;
+  }
+
+  String _normalizePhone(String raw) {
+    return raw.replaceAll(RegExp(r'\D'), '');
+  }
+
+  String _formatPhoneForDisplay(String raw) {
+    final normalized = _normalizePhone(raw);
+    final digits =
+        normalized.length > 10 ? normalized.substring(0, 10) : normalized;
+    final buffer = StringBuffer();
+    for (var i = 0; i < digits.length; i++) {
+      if (i > 0 && i.isEven) buffer.write(' ');
+      buffer.write(digits[i]);
+    }
+    return buffer.toString();
+  }
+
+  String _toTitleCase(String raw) {
+    final trimmed = raw.trim();
+    if (trimmed.isEmpty) return trimmed;
+    final words = trimmed.split(RegExp(r'\s+'));
+    final normalizedWords = words.map(_capitalizeComposedWord).toList();
+    return normalizedWords.join(' ');
+  }
+
+  String _capitalizeComposedWord(String word) {
+    if (word.isEmpty) return word;
+    final lower = word.toLowerCase();
+    final separators = <String>{"-", "'", "’"};
+    final buffer = StringBuffer();
+    var capitalizeNext = true;
+
+    for (var i = 0; i < lower.length; i++) {
+      final char = lower[i];
+      if (capitalizeNext && RegExp(r'[a-zà-öø-ÿ]').hasMatch(char)) {
+        buffer.write(char.toUpperCase());
+        capitalizeNext = false;
+      } else {
+        buffer.write(char);
+        capitalizeNext = separators.contains(char);
+      }
+    }
+    return buffer.toString();
+  }
+
   Future<void> _submit() async {
+    if (widget.readOnly) return;
     if (_isSubmitting) return;
     if (!_formKey.currentState!.validate()) return;
 
@@ -131,35 +249,87 @@ class _GestionnaireCreateDialogState extends State<GestionnaireCreateDialog> {
     });
 
     try {
+      final normalizedNom = _toTitleCase(_nomController.text);
+      final normalizedPrenom = _toTitleCase(_prenomController.text);
+      final normalizedPhone = _normalizePhone(_telephoneController.text);
+      final passwordProvided = _passwordController.text.trim().isNotEmpty;
+
       if (_isEditMode) {
-        await UserService.updateGestionnaire(
-          gestionnaireId: widget.initialUser!.id,
-          nom: _nomController.text.trim(),
-          prenom: _prenomController.text.trim(),
-          email: _emailController.text.trim(),
-          telephone: _telephoneController.text.trim(),
-          relaisId: _selectedRelaisId,
-          password: _passwordController.text.trim().isEmpty
-              ? null
-              : _passwordController.text,
-        );
+        if (widget.adminMode) {
+          final lockedNom = _toTitleCase(widget.initialUser!.nom ?? '');
+          final lockedPrenom = _toTitleCase(widget.initialUser!.prenom ?? '');
+          await UserService.updateAdministrateur(
+            adminId: widget.initialUser!.id,
+            nom: _isLockedAdminIdentity ? lockedNom : normalizedNom,
+            prenom: _isLockedAdminIdentity ? lockedPrenom : normalizedPrenom,
+            email: _emailController.text.trim(),
+            telephone: normalizedPhone.isEmpty
+                ? _normalizePhone(widget.initialUser!.telephone ?? '')
+                : normalizedPhone,
+            password: passwordProvided ? _passwordController.text : null,
+          );
+        } else {
+          final currentUser = widget.initialUser!;
+          final initialNom = _toTitleCase(currentUser.nom ?? '');
+          final initialPrenom = _toTitleCase(currentUser.prenom ?? '');
+          final initialEmail = currentUser.email.trim();
+          final initialPhone = _normalizePhone(currentUser.telephone ?? '');
+
+          final onlyRelaisChanged =
+              normalizedNom == initialNom &&
+              normalizedPrenom == initialPrenom &&
+              _emailController.text.trim() == initialEmail &&
+              normalizedPhone == initialPhone &&
+              !passwordProvided;
+
+          if (onlyRelaisChanged) {
+            await UserService.updateGestionnaireRelais(
+              gestionnaireId: currentUser.id,
+              relaisId: _selectedRelaisId,
+            );
+          } else {
+            await UserService.updateGestionnaire(
+              gestionnaireId: currentUser.id,
+              nom: normalizedNom,
+              prenom: normalizedPrenom,
+              email: _emailController.text.trim(),
+              telephone: normalizedPhone.isEmpty ? initialPhone : normalizedPhone,
+              relaisId: _selectedRelaisId,
+              password: passwordProvided ? _passwordController.text : null,
+            );
+          }
+        }
       } else {
-        await UserService.createGestionnaire(
-          nom: _nomController.text.trim(),
-          prenom: _prenomController.text.trim(),
-          email: _emailController.text.trim(),
-          password: _passwordController.text,
-          telephone: _telephoneController.text.trim(),
-          relaisId: _selectedRelaisId,
-        );
+        if (widget.adminMode) {
+          await UserService.createAdministrateur(
+            nom: normalizedNom,
+            prenom: normalizedPrenom,
+            email: _emailController.text.trim(),
+            password: _passwordController.text,
+            telephone: _normalizePhone(_telephoneController.text),
+          );
+        } else {
+          await UserService.createGestionnaire(
+            nom: normalizedNom,
+            prenom: normalizedPrenom,
+            email: _emailController.text.trim(),
+            password: _passwordController.text,
+            telephone: _normalizePhone(_telephoneController.text),
+            relaisId: _selectedRelaisId,
+          );
+        }
       }
       if (!mounted) return;
       ScaffoldMessenger.of(context).showSnackBar(
         SnackBar(
           content: Text(
             _isEditMode
-                ? 'Gestionnaire modifié avec succès.'
-                : 'Gestionnaire créé avec succès.',
+                ? (widget.adminMode
+                    ? 'Administrateur modifié avec succès.'
+                    : 'Gestionnaire modifié avec succès.')
+                : (widget.adminMode
+                    ? 'Administrateur créé avec succès.'
+                    : 'Gestionnaire créé avec succès.'),
           ),
         ),
       );
@@ -183,6 +353,8 @@ class _GestionnaireCreateDialogState extends State<GestionnaireCreateDialog> {
   }
 
   Future<void> _delete() async {
+    if (widget.readOnly) return;
+    if (_isSuperAdminTarget) return;
     if (!_isEditMode || _isSubmitting) return;
 
     final confirmed = await showDialog<bool>(
@@ -239,14 +411,26 @@ class _GestionnaireCreateDialogState extends State<GestionnaireCreateDialog> {
     return AlertDialog(
       title: Row(
         children: [
+          CircleAvatar(
+            radius: 16,
+            backgroundColor: const Color(0xFFEDE5FA),
+            child: Icon(
+              _targetRoleIcon,
+              size: 20,
+              color: const Color(0xFF6B3FA0),
+            ),
+          ),
+          const SizedBox(width: 8),
           Expanded(
             child: Text(
               _isEditMode
-                  ? 'Modifier un gestionnaire'
-                  : 'Créer un gestionnaire',
+                  ? (widget.readOnly
+                      ? 'Consulter un "$_targetRoleLabel"'
+                      : 'Modifier un "$_targetRoleLabel"')
+                  : 'Créer un "$_targetRoleLabel"',
             ),
           ),
-          if (_isEditMode)
+          if (_isEditMode && !widget.readOnly)
             IconButton(
               icon: const Icon(Icons.close),
               tooltip: 'Fermer',
@@ -266,9 +450,9 @@ class _GestionnaireCreateDialogState extends State<GestionnaireCreateDialog> {
               children: [
                 Row(
                   children: [
-                    Expanded(child: _buildNomField()),
-                    const SizedBox(width: 12),
                     Expanded(child: _buildPrenomField()),
+                    const SizedBox(width: 12),
+                    Expanded(child: _buildNomField()),
                   ],
                 ),
                 const SizedBox(height: 12),
@@ -281,20 +465,28 @@ class _GestionnaireCreateDialogState extends State<GestionnaireCreateDialog> {
                     Expanded(child: _buildTelephoneField()),
                   ],
                 ),
-                const SizedBox(height: 12),
-                _buildRelaisField(),
+                if (widget.withRelais) ...[
+                  const SizedBox(height: 12),
+                  _buildRelaisField(),
+                ],
               ],
             ),
           ),
         ),
       ),
       actions: [
-        if (_isEditMode) ...[
-          OutlinedButton(
-            onPressed: _isSubmitting ? null : _delete,
-            style: OutlinedButton.styleFrom(foregroundColor: Colors.red.shade700),
-            child: const Text('Supprimer'),
+        if (widget.readOnly) ...[
+          FilledButton(
+            onPressed: _isSubmitting ? null : () => Navigator.of(context).pop(false),
+            child: const Text('Fermer'),
           ),
+        ] else if (_isEditMode) ...[
+          if (!_isSuperAdminTarget)
+            OutlinedButton(
+              onPressed: _isSubmitting ? null : _delete,
+              style: OutlinedButton.styleFrom(foregroundColor: Colors.red.shade700),
+              child: const Text('Supprimer'),
+            ),
           FilledButton.icon(
             onPressed: _isSubmitting ? null : _submit,
             icon: _isSubmitting
@@ -331,42 +523,50 @@ class _GestionnaireCreateDialogState extends State<GestionnaireCreateDialog> {
   Widget _buildNomField() {
     return TextFormField(
       controller: _nomController,
+      readOnly: widget.readOnly || _isLockedAdminIdentity,
       textCapitalization: TextCapitalization.words,
       decoration: const InputDecoration(
         labelText: 'Nom',
         border: OutlineInputBorder(),
       ),
-      validator: (v) => _required(v, 'Nom'),
+      validator: (widget.readOnly || _isLockedAdminIdentity)
+          ? null
+          : (v) => _required(v, 'Nom'),
     );
   }
 
   Widget _buildPrenomField() {
     return TextFormField(
       controller: _prenomController,
+      readOnly: widget.readOnly || _isLockedAdminIdentity,
       textCapitalization: TextCapitalization.words,
       decoration: const InputDecoration(
         labelText: 'Prénom',
         border: OutlineInputBorder(),
       ),
-      validator: (v) => _required(v, 'Prénom'),
+      validator: (widget.readOnly || _isLockedAdminIdentity)
+          ? null
+          : (v) => _required(v, 'Prénom'),
     );
   }
 
   Widget _buildEmailField() {
     return TextFormField(
       controller: _emailController,
+      readOnly: widget.readOnly,
       keyboardType: TextInputType.emailAddress,
       decoration: const InputDecoration(
         labelText: 'Email',
         border: OutlineInputBorder(),
       ),
-      validator: _validateEmail,
+      validator: widget.readOnly ? null : _validateEmail,
     );
   }
 
   Widget _buildPasswordField() {
     return TextFormField(
       controller: _passwordController,
+      readOnly: widget.readOnly,
       obscureText: _obscurePassword,
       enableSuggestions: false,
       autocorrect: false,
@@ -378,30 +578,43 @@ class _GestionnaireCreateDialogState extends State<GestionnaireCreateDialog> {
             ? 'Nouveau mot de passe'
             : 'Mot de passe',
         border: const OutlineInputBorder(),
-        suffixIcon: IconButton(
-          onPressed: () {
-            setState(() {
-              _obscurePassword = !_obscurePassword;
-            });
-          },
-          icon: Icon(
-            _obscurePassword ? Icons.visibility_off : Icons.visibility,
-          ),
-        ),
+        suffixIcon: widget.readOnly
+            ? null
+            : ExcludeFocus(
+                child: IconButton(
+                  focusNode: _passwordToggleFocusNode,
+                  onPressed: () {
+                    setState(() {
+                      _obscurePassword = !_obscurePassword;
+                    });
+                  },
+                  icon: Icon(
+                    _obscurePassword ? Icons.visibility_off : Icons.visibility,
+                  ),
+                ),
+              ),
       ),
-      validator: _validatePassword,
+      validator: widget.readOnly ? null : _validatePassword,
     );
   }
 
   Widget _buildTelephoneField() {
     return TextFormField(
       controller: _telephoneController,
+      readOnly: widget.readOnly,
       keyboardType: TextInputType.phone,
+      inputFormatters: widget.readOnly
+          ? null
+          : [
+              FilteringTextInputFormatter.digitsOnly,
+              LengthLimitingTextInputFormatter(10),
+              _FrenchPhoneNumberFormatter(),
+            ],
       decoration: const InputDecoration(
-        labelText: 'Téléphone',
+        labelText: 'Téléphone (ex: 06 12 34 56 78)',
         border: OutlineInputBorder(),
       ),
-      validator: (v) => _required(v, 'Téléphone'),
+      validator: widget.readOnly ? null : _validatePhone,
     );
   }
 
@@ -433,7 +646,7 @@ class _GestionnaireCreateDialogState extends State<GestionnaireCreateDialog> {
               ),
             ),
           ],
-          onChanged: _isLoadingRelais
+          onChanged: (_isLoadingRelais || widget.readOnly)
               ? null
               : (value) {
                   setState(() {
@@ -448,4 +661,28 @@ class _GestionnaireCreateDialogState extends State<GestionnaireCreateDialog> {
       ],
     );
   }
+}
+
+class _FrenchPhoneNumberFormatter extends TextInputFormatter {
+  const _FrenchPhoneNumberFormatter();
+
+  @override
+  TextEditingValue formatEditUpdate(
+    TextEditingValue oldValue,
+    TextEditingValue newValue,
+  ) {
+    final digits = newValue.text.replaceAll(RegExp(r'\D'), '');
+    final normalized = digits.length > 10 ? digits.substring(0, 10) : digits;
+    final buffer = StringBuffer();
+    for (var i = 0; i < normalized.length; i++) {
+      if (i > 0 && i.isEven) buffer.write(' ');
+      buffer.write(normalized[i]);
+    }
+    final formatted = buffer.toString();
+
+    return TextEditingValue(
+      text: formatted,
+      selection: TextSelection.collapsed(offset: formatted.length),
+    );
+  }
 }
\ No newline at end of file
diff --git a/frontend/lib/services/user_service.dart b/frontend/lib/services/user_service.dart
index c80dee4..ab8e5a7 100644
--- a/frontend/lib/services/user_service.dart
+++ b/frontend/lib/services/user_service.dart
@@ -75,6 +75,41 @@ class UserService {
     return AppUser.fromJson(data);
   }
 
+  static Future<AppUser> createAdministrateur({
+    required String nom,
+    required String prenom,
+    required String email,
+    required String password,
+    required String telephone,
+  }) async {
+    final response = await http.post(
+      Uri.parse('${ApiConfig.baseUrl}${ApiConfig.users}/admin'),
+      headers: await _headers(),
+      body: jsonEncode(<String, dynamic>{
+        'nom': nom,
+        'prenom': prenom,
+        'email': email,
+        'password': password,
+        'telephone': telephone,
+      }),
+    );
+
+    if (response.statusCode != 200 && response.statusCode != 201) {
+      final decoded = jsonDecode(response.body);
+      if (decoded is Map<String, dynamic>) {
+        final message = decoded['message'];
+        if (message is List && message.isNotEmpty) {
+          throw Exception(message.join(' - '));
+        }
+        throw Exception(_toStr(message) ?? 'Erreur création administrateur');
+      }
+      throw Exception('Erreur création administrateur');
+    }
+
+    final data = jsonDecode(response.body) as Map<String, dynamic>;
+    return AppUser.fromJson(data);
+  }
+
   // Récupérer la liste des parents
   static Future<List<ParentModel>> getParents() async {
     final response = await http.get(
@@ -232,7 +267,7 @@ class UserService {
     required String nom,
     required String prenom,
     required String email,
-    required String telephone,
+    String? telephone,
     required String? relaisId,
     String? password,
   }) async {
@@ -240,10 +275,13 @@ class UserService {
       'nom': nom,
       'prenom': prenom,
       'email': email,
-      'telephone': telephone,
       'relaisId': relaisId,
     };
 
+    if (telephone != null && telephone.trim().isNotEmpty) {
+      body['telephone'] = telephone.trim();
+    }
+
     if (password != null && password.trim().isNotEmpty) {
       body['password'] = password.trim();
     }
@@ -270,6 +308,50 @@ class UserService {
     return AppUser.fromJson(data);
   }
 
+  static Future<AppUser> updateAdministrateur({
+    required String adminId,
+    required String nom,
+    required String prenom,
+    required String email,
+    String? telephone,
+    String? password,
+  }) async {
+    final body = <String, dynamic>{
+      'nom': nom,
+      'prenom': prenom,
+      'email': email,
+    };
+
+    if (telephone != null && telephone.trim().isNotEmpty) {
+      body['telephone'] = telephone.trim();
+    }
+
+    if (password != null && password.trim().isNotEmpty) {
+      body['password'] = password.trim();
+    }
+
+    final response = await http.patch(
+      Uri.parse('${ApiConfig.baseUrl}${ApiConfig.users}/$adminId'),
+      headers: await _headers(),
+      body: jsonEncode(body),
+    );
+
+    if (response.statusCode != 200) {
+      final decoded = jsonDecode(response.body);
+      if (decoded is Map<String, dynamic>) {
+        final message = decoded['message'];
+        if (message is List && message.isNotEmpty) {
+          throw Exception(message.join(' - '));
+        }
+        throw Exception(_toStr(message) ?? 'Erreur modification administrateur');
+      }
+      throw Exception('Erreur modification administrateur');
+    }
+
+    final data = jsonDecode(response.body) as Map<String, dynamic>;
+    return AppUser.fromJson(data);
+  }
+
   static Future<void> deleteUser(String userId) async {
     final response = await http.delete(
       Uri.parse('${ApiConfig.baseUrl}${ApiConfig.users}/$userId'),
diff --git a/frontend/lib/widgets/admin/admin_management_widget.dart b/frontend/lib/widgets/admin/admin_management_widget.dart
index 37040b3..be51365 100644
--- a/frontend/lib/widgets/admin/admin_management_widget.dart
+++ b/frontend/lib/widgets/admin/admin_management_widget.dart
@@ -1,6 +1,7 @@
 import 'package:flutter/material.dart';
 import 'package:p_tits_pas/models/user.dart';
-import 'package:p_tits_pas/screens/administrateurs/creation/admin_create.dart';
+import 'package:p_tits_pas/screens/administrateurs/creation/gestionnaires_create.dart';
+import 'package:p_tits_pas/services/auth_service.dart';
 import 'package:p_tits_pas/services/user_service.dart';
 import 'package:p_tits_pas/widgets/admin/common/admin_user_card.dart';
 import 'package:p_tits_pas/widgets/admin/common/user_list.dart';
@@ -21,10 +22,12 @@ class _AdminManagementWidgetState extends State<AdminManagementWidget> {
   bool _isLoading = false;
   String? _error;
   List<AppUser> _admins = [];
+  String? _currentUserRole;
 
   @override
   void initState() {
     super.initState();
+    _loadCurrentUserRole();
     _loadAdmins();
   }
 
@@ -52,15 +55,44 @@ class _AdminManagementWidgetState extends State<AdminManagementWidget> {
     }
   }
 
+  Future<void> _loadCurrentUserRole() async {
+    final cached = await AuthService.getCurrentUser();
+    if (!mounted) return;
+    if (cached != null) {
+      setState(() {
+        _currentUserRole = cached.role.toLowerCase();
+      });
+      return;
+    }
+    final refreshed = await AuthService.refreshCurrentUser();
+    if (!mounted || refreshed == null) return;
+    setState(() {
+      _currentUserRole = refreshed.role.toLowerCase();
+    });
+  }
+
+  bool _isSuperAdmin(AppUser user) => user.role.toLowerCase() == 'super_admin';
+
+  bool _canEditAdmin(AppUser target) {
+    if (!_isSuperAdmin(target)) return true;
+    return _currentUserRole == 'super_admin';
+  }
+
   Future<void> _openAdminEditDialog(AppUser user) async {
+    final canEdit = _canEditAdmin(user);
     final changed = await showDialog<bool>(
       context: context,
       barrierDismissible: false,
       builder: (dialogContext) {
-        return AdminCreateDialog(initialUser: user);
+        return AdminUserFormDialog(
+          initialUser: user,
+          adminMode: true,
+          withRelais: false,
+          readOnly: !canEdit,
+        );
       },
     );
-    if (changed == true) {
+    if (changed == true && canEdit) {
       await _loadAdmins();
     }
   }
@@ -82,17 +114,34 @@ class _AdminManagementWidgetState extends State<AdminManagementWidget> {
       itemCount: filteredAdmins.length,
       itemBuilder: (context, index) {
         final user = filteredAdmins[index];
+        final isSuperAdmin = _isSuperAdmin(user);
+        final canEdit = _canEditAdmin(user);
         return AdminUserCard(
           title: user.fullName,
+          fallbackIcon: isSuperAdmin
+              ? Icons.verified_user_outlined
+              : Icons.manage_accounts_outlined,
           subtitleLines: [
             user.email,
-            'Rôle : ${user.role}',
+            'Téléphone : ${user.telephone?.trim().isNotEmpty == true ? user.telephone : 'Non renseigné'}',
           ],
           avatarUrl: user.photoUrl,
+          borderColor: isSuperAdmin
+              ? const Color(0xFF8E6AC8)
+              : Colors.grey.shade300,
+          backgroundColor: isSuperAdmin
+              ? const Color(0xFFF4EEFF)
+              : Colors.white,
+          titleColor: isSuperAdmin ? const Color(0xFF5D2F99) : null,
+          infoColor: isSuperAdmin
+              ? const Color(0xFF6D4EA1)
+              : Colors.black54,
           actions: [
             IconButton(
-              icon: const Icon(Icons.edit),
-              tooltip: 'Modifier',
+              icon: Icon(
+                canEdit ? Icons.edit_outlined : Icons.visibility_outlined,
+              ),
+              tooltip: canEdit ? 'Modifier' : 'Consulter',
               onPressed: () {
                 _openAdminEditDialog(user);
               },
diff --git a/frontend/lib/widgets/admin/common/admin_user_card.dart b/frontend/lib/widgets/admin/common/admin_user_card.dart
index 914e218..92d4237 100644
--- a/frontend/lib/widgets/admin/common/admin_user_card.dart
+++ b/frontend/lib/widgets/admin/common/admin_user_card.dart
@@ -6,6 +6,10 @@ class AdminUserCard extends StatefulWidget {
   final String? avatarUrl;
   final IconData fallbackIcon;
   final List<Widget> actions;
+  final Color? borderColor;
+  final Color? backgroundColor;
+  final Color? titleColor;
+  final Color? infoColor;
 
   const AdminUserCard({
     super.key,
@@ -14,6 +18,10 @@ class AdminUserCard extends StatefulWidget {
     this.avatarUrl,
     this.fallbackIcon = Icons.person,
     this.actions = const [],
+    this.borderColor,
+    this.backgroundColor,
+    this.titleColor,
+    this.infoColor,
   });
 
   @override
@@ -43,9 +51,10 @@ class _AdminUserCardState extends State<AdminUserCard> {
           child: Card(
             margin: const EdgeInsets.only(bottom: 12),
             elevation: 0,
+            color: widget.backgroundColor,
             shape: RoundedRectangleBorder(
               borderRadius: BorderRadius.circular(10),
-              side: BorderSide(color: Colors.grey.shade300),
+              side: BorderSide(color: widget.borderColor ?? Colors.grey.shade300),
             ),
             child: Padding(
               padding: const EdgeInsets.symmetric(horizontal: 12, vertical: 9),
@@ -76,7 +85,7 @@ class _AdminUserCardState extends State<AdminUserCard> {
                             style: const TextStyle(
                               fontWeight: FontWeight.w600,
                               fontSize: 14,
-                            ),
+                            ).copyWith(color: widget.titleColor),
                             maxLines: 1,
                             overflow: TextOverflow.ellipsis,
                           ),
@@ -88,7 +97,7 @@ class _AdminUserCardState extends State<AdminUserCard> {
                             style: const TextStyle(
                               color: Colors.black54,
                               fontSize: 12,
-                            ),
+                            ).copyWith(color: widget.infoColor),
                             maxLines: 1,
                             overflow: TextOverflow.ellipsis,
                           ),
diff --git a/frontend/lib/widgets/admin/gestionnaire_management_widget.dart b/frontend/lib/widgets/admin/gestionnaire_management_widget.dart
index 58b78e6..2692831 100644
--- a/frontend/lib/widgets/admin/gestionnaire_management_widget.dart
+++ b/frontend/lib/widgets/admin/gestionnaire_management_widget.dart
@@ -59,7 +59,7 @@ class _GestionnaireManagementWidgetState
       context: context,
       barrierDismissible: false,
       builder: (dialogContext) {
-        return GestionnaireCreateDialog(initialUser: user);
+        return AdminUserFormDialog(initialUser: user);
       },
     );
     if (changed == true) {
@@ -86,6 +86,7 @@ class _GestionnaireManagementWidgetState
         final user = filteredGestionnaires[index];
         return AdminUserCard(
           title: user.fullName,
+          fallbackIcon: Icons.assignment_ind_outlined,
           avatarUrl: user.photoUrl,
           subtitleLines: [
             user.email,
diff --git a/frontend/lib/widgets/admin/parent_managmant_widget.dart b/frontend/lib/widgets/admin/parent_managmant_widget.dart
index cfa8637..5b8e20a 100644
--- a/frontend/lib/widgets/admin/parent_managmant_widget.dart
+++ b/frontend/lib/widgets/admin/parent_managmant_widget.dart
@@ -75,6 +75,7 @@ class _ParentManagementWidgetState extends State<ParentManagementWidget> {
         final parent = filteredParents[index];
         return AdminUserCard(
           title: parent.user.fullName,
+          fallbackIcon: Icons.supervisor_account_outlined,
           avatarUrl: parent.user.photoUrl,
           subtitleLines: [
             parent.user.email,
diff --git a/frontend/lib/widgets/admin/user_management_panel.dart b/frontend/lib/widgets/admin/user_management_panel.dart
index 5b14762..63bc921 100644
--- a/frontend/lib/widgets/admin/user_management_panel.dart
+++ b/frontend/lib/widgets/admin/user_management_panel.dart
@@ -1,5 +1,4 @@
 import 'package:flutter/material.dart';
-import 'package:p_tits_pas/screens/administrateurs/creation/admin_create.dart';
 import 'package:p_tits_pas/screens/administrateurs/creation/gestionnaires_create.dart';
 import 'package:p_tits_pas/widgets/admin/admin_management_widget.dart';
 import 'package:p_tits_pas/widgets/admin/assistante_maternelle_management_widget.dart';
@@ -184,7 +183,7 @@ class _AdminUserManagementPanelState extends State<AdminUserManagementPanel> {
         context: context,
         barrierDismissible: false,
         builder: (dialogContext) {
-          return const GestionnaireCreateDialog();
+          return const AdminUserFormDialog();
         },
       );
 
@@ -202,7 +201,10 @@ class _AdminUserManagementPanelState extends State<AdminUserManagementPanel> {
         context: context,
         barrierDismissible: false,
         builder: (dialogContext) {
-          return const AdminCreateDialog();
+          return const AdminUserFormDialog(
+            adminMode: true,
+            withRelais: false,
+          );
         },
       );
 
@@ -219,7 +221,7 @@ class _AdminUserManagementPanelState extends State<AdminUserManagementPanel> {
     ScaffoldMessenger.of(context).showSnackBar(
       const SnackBar(
         content: Text(
-          'La création est disponible uniquement pour les gestionnaires et les administrateurs.',
+          'La création est disponible pour les gestionnaires et administrateurs.',
         ),
       ),
     );