diff --git a/frontend/lib/screens/auth/register_choice_screen.dart b/frontend/lib/screens/auth/register_choice_screen.dart
index 301814c..d40c3b7 100644
--- a/frontend/lib/screens/auth/register_choice_screen.dart
+++ b/frontend/lib/screens/auth/register_choice_screen.dart
@@ -1,12 +1,12 @@
 import 'package:flutter/material.dart';
 import 'package:google_fonts/google_fonts.dart';
-import 'dart:math' as math; // Pour la rotation du chevron
-import '../../widgets/choice_card_widget.dart'; // Import du nouveau widget
-import '../../widgets/custom_navigation_button.dart';
+import 'dart:math' as math;
+import '../../widgets/choice_card_widget.dart';
 import '../../widgets/hover_relief_widget.dart';
+import '../../widgets/custom_navigation_button.dart';
+import '../../models/card_assets.dart';
 import 'package:go_router/go_router.dart';
 
-// Screen for choosing between Parent and AM registration
 class RegisterChoiceScreen extends StatelessWidget {
   const RegisterChoiceScreen({super.key});
 
@@ -18,9 +18,6 @@ class RegisterChoiceScreen extends StatelessWidget {
           final width = constraints.maxWidth;
           final height = constraints.maxHeight;
           final screenSize = Size(width, height);
-          
-          // Utilisation de la largeur disponible pour déterminer le mode
-          // C'est plus fiable que MediaQuery si le widget est contraint
           final isMobile = width < 900;
 
           return Stack(
@@ -41,11 +38,8 @@ class RegisterChoiceScreen extends StatelessWidget {
                   left: 40,
                   child: IconButton(
                     icon: Transform.flip(
-                      flipX: true, 
-                      child: Image.asset(
-                        'assets/images/chevron_right.png', 
-                        height: 40
-                      )
+                      flipX: true,
+                      child: Image.asset('assets/images/chevron_right.png', height: 40),
                     ),
                     onPressed: () {
                       if (context.canPop()) {
@@ -92,7 +86,7 @@ class RegisterChoiceScreen extends StatelessWidget {
           ),
           // Espace entre les deux parties
           SizedBox(width: screenSize.width * 0.05),
-          
+
           // Partie Droite: Carte rose avec les boutons
           Expanded(
             flex: 1,
@@ -135,31 +129,34 @@ class RegisterChoiceScreen extends StatelessWidget {
               textAlign: TextAlign.center,
             ),
             const SizedBox(height: 30),
-            // Carte rose verticale adaptative
-            ChoiceCardWidget(
-              isMobile: true,
-              onParentSelected: () => context.go('/parent-register-step1'),
-              onAmSelected: () => context.go('/am-register-step1'),
+            // Carte rose verticale
+            SizedBox(
+              width: double.infinity,
+              child: AspectRatio(
+                aspectRatio: 2 / 3,
+                child: ChoiceCardWidget(
+                  isMobile: true,
+                  onParentSelected: () => context.go('/parent-register-step1'),
+                  onAmSelected: () => context.go('/am-register-step1'),
+                ),
+              ),
             ),
             const SizedBox(height: 30),
             // Bouton Précédent
-            SizedBox(
-              width: double.infinity,
-              child: HoverReliefWidget(
-                child: CustomNavigationButton(
-                  text: 'Précédent',
-                  style: NavigationButtonStyle.purple,
-                  onPressed: () {
-                    if (context.canPop()) {
-                      context.pop();
-                    } else {
-                      context.go('/login');
-                    }
-                  },
-                  width: double.infinity,
-                  height: 50,
-                  fontSize: 16,
-                ),
+            HoverReliefWidget(
+              child: CustomNavigationButton(
+                text: 'Précédent',
+                style: NavigationButtonStyle.purple,
+                width: double.infinity,
+                height: 50,
+                fontSize: 16,
+                onPressed: () {
+                  if (context.canPop()) {
+                    context.pop();
+                  } else {
+                    context.go('/login');
+                  }
+                },
               ),
             ),
           ],
diff --git a/frontend/lib/widgets/choice_card_widget.dart b/frontend/lib/widgets/choice_card_widget.dart
index 02041cb..ecb418e 100644
--- a/frontend/lib/widgets/choice_card_widget.dart
+++ b/frontend/lib/widgets/choice_card_widget.dart
@@ -3,7 +3,7 @@ import 'package:google_fonts/google_fonts.dart';
 import '../models/card_assets.dart';
 import 'hover_relief_widget.dart';
 
-// Widget for the registration choice card (Parent vs AM)
+/// Widget réutilisable pour la carte de choix Parent/AM
 class ChoiceCardWidget extends StatelessWidget {
   final VoidCallback onParentSelected;
   final VoidCallback onAmSelected;
@@ -68,7 +68,7 @@ class ChoiceCardWidget extends StatelessWidget {
           hoverShadowColor: hoverShadow,
           child: Padding(
             padding: EdgeInsets.all(isMobile ? 6.0 : 8.0),
-            child: Image.asset(iconPath, height: isMobile ? 100 : 140),
+            child: Image.asset(iconPath, height: isMobile ? 140 : 170),
           ),
         ),
         SizedBox(height: isMobile ? 10 : 15),