diff --git a/frontend/android/local.properties b/frontend/android/local.properties
index abce8fc..a08abd7 100644
--- a/frontend/android/local.properties
+++ b/frontend/android/local.properties
@@ -1,2 +1,2 @@
-flutter.sdk=/home/deploy/snap/flutter/common/flutter
+flutter.sdk=C:\\Users\\marti\\dev\\flutter
 sdk.dir=C:\\Users\\myhan\\AppData\\Local\\Android\\Sdk
\ No newline at end of file
diff --git a/frontend/lib/screens/auth/register_choice_screen.dart b/frontend/lib/screens/auth/register_choice_screen.dart
index e80238b..d40c3b7 100644
--- a/frontend/lib/screens/auth/register_choice_screen.dart
+++ b/frontend/lib/screens/auth/register_choice_screen.dart
@@ -1,8 +1,10 @@
 import 'package:flutter/material.dart';
 import 'package:google_fonts/google_fonts.dart';
-import 'dart:math' as math; // Pour la rotation du chevron
-import '../../widgets/hover_relief_widget.dart'; // Import du widget générique
-import '../../models/card_assets.dart'; // Import des enums de cartes
+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';
 
 class RegisterChoiceScreen extends StatelessWidget {
@@ -10,155 +12,156 @@ class RegisterChoiceScreen extends StatelessWidget {
 
   @override
   Widget build(BuildContext context) {
-    final screenSize = MediaQuery.of(context).size;
-
     return Scaffold(
-      body: Stack(
+      body: LayoutBuilder(
+        builder: (context, constraints) {
+          final width = constraints.maxWidth;
+          final height = constraints.maxHeight;
+          final screenSize = Size(width, height);
+          final isMobile = width < 900;
+
+          return Stack(
+            children: [
+              // Fond papier
+              Positioned.fill(
+                child: Image.asset(
+                  'assets/images/paper2.png',
+                  fit: BoxFit.cover,
+                  repeat: ImageRepeat.repeat,
+                ),
+              ),
+
+              // Bouton Retour (chevron gauche) - Desktop uniquement
+              if (!isMobile)
+                Positioned(
+                  top: 40,
+                  left: 40,
+                  child: IconButton(
+                    icon: Transform.flip(
+                      flipX: true,
+                      child: Image.asset('assets/images/chevron_right.png', height: 40),
+                    ),
+                    onPressed: () {
+                      if (context.canPop()) {
+                        context.pop();
+                      } else {
+                        context.go('/login');
+                      }
+                    },
+                    tooltip: 'Retour',
+                  ),
+                ),
+
+              // Contenu principal
+              isMobile
+                  ? _buildMobileLayout(context, screenSize)
+                  : _buildDesktopLayout(context, screenSize),
+            ],
+          );
+        },
+      ),
+    );
+  }
+
+  Widget _buildDesktopLayout(BuildContext context, Size screenSize) {
+    return Padding(
+      padding: EdgeInsets.symmetric(horizontal: screenSize.width * 0.05),
+      child: Row(
         children: [
-          // Fond papier
-          Positioned.fill(
-            child: Image.asset(
-              'assets/images/paper2.png',
-              fit: BoxFit.cover,
-              repeat: ImageRepeat.repeat,
+          // Partie Gauche: Texte d'instruction centré
+          Expanded(
+            flex: 1,
+            child: Center(
+              child: Text(
+                'Veuillez choisir votre\ntype de compte :',
+                style: GoogleFonts.merienda(
+                  fontSize: 36,
+                  fontWeight: FontWeight.bold,
+                  color: Colors.black87,
+                  height: 1.5,
+                ),
+                textAlign: TextAlign.center,
+              ),
             ),
           ),
+          // Espace entre les deux parties
+          SizedBox(width: screenSize.width * 0.05),
 
-          // Bouton Retour (chevron gauche)
-          Positioned(
-            top: 40,
-            left: 40,
-            child: IconButton(
-              icon: Transform.flip(flipX: true, child: Image.asset('assets/images/chevron_right.png', height: 40)),
-              onPressed: () {
-                if (context.canPop()) {
-                  context.pop();
-                } else {
-                  context.go('/login');
-                }
-              },
-              tooltip: 'Retour',
-            ),
-          ),
-
-          // Contenu principal en Row (Gauche / Droite)
-          Padding(
-            padding: EdgeInsets.symmetric(horizontal: screenSize.width * 0.05),
-            child: Row(
-              children: [
-                // Partie Gauche: Texte d'instruction centré
-                Expanded(
-                  flex: 1,
-                  child: Center(
-                    child: Text(
-                      'Veuillez choisir votre\ntype de compte :',
-                      style: GoogleFonts.merienda(
-                        fontSize: 36,
-                        fontWeight: FontWeight.bold,
-                        color: Colors.black87,
-                        height: 1.5,
-                      ),
-                      textAlign: TextAlign.center,
-                    ),
+          // Partie Droite: Carte rose avec les boutons
+          Expanded(
+            flex: 1,
+            child: Center(
+              child: ConstrainedBox(
+                constraints: BoxConstraints(
+                  maxHeight: screenSize.height * 0.78,
+                ),
+                child: AspectRatio(
+                  aspectRatio: 2 / 3,
+                  child: ChoiceCardWidget(
+                    isMobile: false,
+                    onParentSelected: () => context.go('/parent-register-step1'),
+                    onAmSelected: () => context.go('/am-register-step1'),
                   ),
                 ),
-                // Espace entre les deux parties
-                SizedBox(width: screenSize.width * 0.05),
-                
-                // Partie Droite: Carte rose avec les boutons
-                Expanded(
-                  flex: 1,
-                  child: Center(
-                    child: ConstrainedBox(
-                      constraints: BoxConstraints(
-                        maxHeight: screenSize.height * 0.78, // Augmenté pour éviter l'overflow
-                      ),
-                      child: AspectRatio(
-                        aspectRatio: 2 / 3,
-                        child: Container(
-                          padding: const EdgeInsets.symmetric(vertical: 30, horizontal: 20),
-                          decoration: BoxDecoration(
-                            image: DecorationImage(
-                              image: AssetImage(CardColorVertical.pink.path),
-                              fit: BoxFit.fill,
-                            ),
-                          ),
-                          child: Column(
-                            mainAxisAlignment: MainAxisAlignment.spaceEvenly,
-                            children: [
-                              // Bouton "Parents" avec HoverReliefWidget appliqué uniquement à l'image
-                              _buildChoiceButton(
-                                context: context,
-                                iconPath: 'assets/images/icon_parents.png',
-                                label: 'Parents',
-                                onPressed: () {
-                                  context.go('/parent-register-step1');
-                                },
-                              ),
-                              // Bouton "Assistante Maternelle" avec HoverReliefWidget appliqué uniquement à l'image
-                              _buildChoiceButton(
-                                context: context,
-                                iconPath: 'assets/images/icon_assmat.png',
-                                label: 'Assistante Maternelle',
-                                onPressed: () {
-                                  context.go('/am-register-step1');
-                                },
-                              ),
-                            ],
-                          ),
-                        ),
-                      ),
-                    ),
-                  ),
-                ),
-              ],
+              ),
             ),
           ),
         ],
       ),
     );
   }
-}
 
-// Nouvelle méthode helper pour construire les boutons de choix
-Widget _buildChoiceButton({
-  required BuildContext context,
-  required String iconPath,
-  required String label,
-  required VoidCallback onPressed,
-}) {
-  // TODO: Déterminer la couleur de base de card_rose.png et ajuster ces couleurs d'ombre
-  final Color baseRoseColor = Colors.pink.shade300; // Placeholder
-  final Color initialShadow = baseRoseColor.withAlpha(90); // Rose plus foncé et transparent pour l'ombre initiale
-  final Color hoverShadow = baseRoseColor.withAlpha(130);    // Rose encore plus foncé pour l'ombre au survol
-
-  return Column(
-    mainAxisSize: MainAxisSize.min,
-    children: [
-      HoverReliefWidget(
-        onPressed: onPressed,
-        borderRadius: BorderRadius.circular(15.0),
-        initialShadowColor: initialShadow, // Ombre rose initiale
-        hoverShadowColor: hoverShadow,     // Ombre rose au survol
-        child: Padding(
-          padding: const EdgeInsets.all(8.0),
-          child: Image.asset(iconPath, height: 140),
+  Widget _buildMobileLayout(BuildContext context, Size screenSize) {
+    return Center(
+      child: SingleChildScrollView(
+        padding: const EdgeInsets.symmetric(vertical: 40, horizontal: 20),
+        child: Column(
+          mainAxisAlignment: MainAxisAlignment.center,
+          children: [
+            Text(
+              'Veuillez choisir votre\ntype de compte :',
+              style: GoogleFonts.merienda(
+                fontSize: 24,
+                fontWeight: FontWeight.bold,
+                color: Colors.black87,
+                height: 1.3,
+              ),
+              textAlign: TextAlign.center,
+            ),
+            const SizedBox(height: 30),
+            // 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
+            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');
+                  }
+                },
+              ),
+            ),
+          ],
         ),
       ),
-      const SizedBox(height: 15),
-      Text(
-        label,
-        style: GoogleFonts.merienda(
-          fontSize: 26,
-          fontWeight: FontWeight.w600,
-          color: Colors.black.withOpacity(0.85),
-        ),
-        textAlign: TextAlign.center,
-      ),
-    ],
-  );
+    );
+  }
 }
-
-// --- La classe HoverChoiceButton peut maintenant être supprimée si elle n'est plus utilisée ailleurs ---
-// class HoverChoiceButton extends StatefulWidget { ... }
-// class _HoverChoiceButtonState extends State<HoverChoiceButton> { ... } 
\ No newline at end of file
diff --git a/frontend/lib/widgets/choice_card_widget.dart b/frontend/lib/widgets/choice_card_widget.dart
new file mode 100644
index 0000000..ecb418e
--- /dev/null
+++ b/frontend/lib/widgets/choice_card_widget.dart
@@ -0,0 +1,87 @@
+import 'package:flutter/material.dart';
+import 'package:google_fonts/google_fonts.dart';
+import '../models/card_assets.dart';
+import 'hover_relief_widget.dart';
+
+/// Widget réutilisable pour la carte de choix Parent/AM
+class ChoiceCardWidget extends StatelessWidget {
+  final VoidCallback onParentSelected;
+  final VoidCallback onAmSelected;
+  final bool isMobile;
+
+  const ChoiceCardWidget({
+    super.key,
+    required this.onParentSelected,
+    required this.onAmSelected,
+    this.isMobile = false,
+  });
+
+  @override
+  Widget build(BuildContext context) {
+    return Container(
+      padding: const EdgeInsets.symmetric(vertical: 30, horizontal: 20),
+      decoration: BoxDecoration(
+        image: DecorationImage(
+          image: AssetImage(CardColorVertical.pink.path),
+          fit: BoxFit.fill,
+        ),
+        borderRadius: BorderRadius.circular(15),
+      ),
+      child: Column(
+        mainAxisAlignment: isMobile ? MainAxisAlignment.center : MainAxisAlignment.spaceEvenly,
+        children: [
+          _buildChoiceButton(
+            iconPath: 'assets/images/icon_parents.png',
+            label: 'Parents',
+            onPressed: onParentSelected,
+            isMobile: isMobile,
+          ),
+          SizedBox(height: isMobile ? 30 : 0),
+          _buildChoiceButton(
+            iconPath: 'assets/images/icon_assmat.png',
+            label: 'Assistante Maternelle',
+            onPressed: onAmSelected,
+            isMobile: isMobile,
+          ),
+        ],
+      ),
+    );
+  }
+
+  Widget _buildChoiceButton({
+    required String iconPath,
+    required String label,
+    required VoidCallback onPressed,
+    required bool isMobile,
+  }) {
+    final Color baseRoseColor = Colors.pink.shade300;
+    final Color initialShadow = baseRoseColor.withAlpha(90);
+    final Color hoverShadow = baseRoseColor.withAlpha(130);
+
+    return Column(
+      mainAxisSize: MainAxisSize.min,
+      children: [
+        HoverReliefWidget(
+          onPressed: onPressed,
+          borderRadius: BorderRadius.circular(15.0),
+          initialShadowColor: initialShadow,
+          hoverShadowColor: hoverShadow,
+          child: Padding(
+            padding: EdgeInsets.all(isMobile ? 6.0 : 8.0),
+            child: Image.asset(iconPath, height: isMobile ? 140 : 170),
+          ),
+        ),
+        SizedBox(height: isMobile ? 10 : 15),
+        Text(
+          label,
+          style: GoogleFonts.merienda(
+            fontSize: isMobile ? 20 : 26,
+            fontWeight: FontWeight.w600,
+            color: Colors.black.withOpacity(0.85),
+          ),
+          textAlign: TextAlign.center,
+        ),
+      ],
+    );
+  }
+}
diff --git a/frontend/pubspec.lock b/frontend/pubspec.lock
index c9dd468..8d88817 100644
--- a/frontend/pubspec.lock
+++ b/frontend/pubspec.lock
@@ -61,10 +61,10 @@ packages:
     dependency: transitive
     description:
       name: fake_async
-      sha256: "5368f224a74523e8d2e7399ea1638b37aecfca824a3cc4dfdf77bf1fa905ac44"
+      sha256: "6a95e56b2449df2273fd8c45a662d6947ce1ebb7aafe80e550a3f68297f3cacc"
       url: "https://pub.dev"
     source: hosted
-    version: "1.3.3"
+    version: "1.3.2"
   ffi:
     dependency: transitive
     description:
@@ -249,10 +249,10 @@ packages:
     dependency: transitive
     description:
       name: intl
-      sha256: "3df61194eb431efc39c4ceba583b95633a403f46c9fd341e550ce0bfa50e9aa5"
+      sha256: d6f56758b7d3014a48af9701c085700aac781a92a87a62b1333b46d8879661cf
       url: "https://pub.dev"
     source: hosted
-    version: "0.20.2"
+    version: "0.19.0"
   js:
     dependency: "direct main"
     description:
@@ -265,26 +265,26 @@ packages:
     dependency: transitive
     description:
       name: leak_tracker
-      sha256: "33e2e26bdd85a0112ec15400c8cbffea70d0f9c3407491f672a2fad47915e2de"
+      sha256: c35baad643ba394b40aac41080300150a4f08fd0fd6a10378f8f7c6bc161acec
       url: "https://pub.dev"
     source: hosted
-    version: "11.0.2"
+    version: "10.0.8"
   leak_tracker_flutter_testing:
     dependency: transitive
     description:
       name: leak_tracker_flutter_testing
-      sha256: "1dbc140bb5a23c75ea9c4811222756104fbcd1a27173f0c34ca01e16bea473c1"
+      sha256: f8b613e7e6a13ec79cfdc0e97638fddb3ab848452eff057653abd3edba760573
       url: "https://pub.dev"
     source: hosted
-    version: "3.0.10"
+    version: "3.0.9"
   leak_tracker_testing:
     dependency: transitive
     description:
       name: leak_tracker_testing
-      sha256: "8d5a2d49f4a66b49744b23b018848400d23e54caf9463f4eb20df3eb8acb2eb1"
+      sha256: "6ba465d5d76e67ddf503e1161d1f4a6bc42306f9d66ca1e8f079a47290fb06d3"
       url: "https://pub.dev"
     source: hosted
-    version: "3.0.2"
+    version: "3.0.1"
   lints:
     dependency: transitive
     description:
@@ -321,10 +321,10 @@ packages:
     dependency: transitive
     description:
       name: meta
-      sha256: "23f08335362185a5ea2ad3a4e597f1375e78bce8a040df5c600c8d3552ef2394"
+      sha256: e3641ec5d63ebf0d9b41bd43201a66e3fc79a65db5f61fc181f04cd27aab950c
       url: "https://pub.dev"
     source: hosted
-    version: "1.17.0"
+    version: "1.16.0"
   mime:
     dependency: transitive
     description:
@@ -526,10 +526,10 @@ packages:
     dependency: transitive
     description:
       name: test_api
-      sha256: ab2726c1a94d3176a45960b6234466ec367179b87dd74f1611adb1f3b5fb9d55
+      sha256: fb31f383e2ee25fbbfe06b40fe21e1e458d14080e3c67e7ba0acfde4df4e0bbd
       url: "https://pub.dev"
     source: hosted
-    version: "0.7.7"
+    version: "0.7.4"
   typed_data:
     dependency: transitive
     description:
@@ -606,10 +606,10 @@ packages:
     dependency: transitive
     description:
       name: vector_math
-      sha256: d530bd74fea330e6e364cda7a85019c434070188383e1cd8d9777ee586914c5b
+      sha256: "80b3257d1492ce4d091729e3a67a60407d227c27241d6927be0130c98e741803"
       url: "https://pub.dev"
     source: hosted
-    version: "2.2.0"
+    version: "2.1.4"
   vm_service:
     dependency: transitive
     description:
@@ -635,5 +635,5 @@ packages:
     source: hosted
     version: "1.1.0"
 sdks:
-  dart: ">=3.8.0-0 <4.0.0"
+  dart: ">=3.7.0 <4.0.0"
   flutter: ">=3.27.0"