feat: Mise à jour des interfaces mobiles v3.2.3

- Amélioration des interfaces utilisateur sur mobile
- Optimisation de la responsivité des composants Flutter
- Mise à jour des widgets de chat et communication
- Amélioration des formulaires et tableaux
- Ajout de nouveaux composants pour l'administration
- Optimisation des thèmes et styles visuels

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

app/lib/presentation/widgets/passages/passage_form.dart

@@ -1,5 +1,6 @@
 import 'package:flutter/material.dart';
 import 'package:flutter/services.dart';
+import 'package:geosector_app/core/theme/app_theme.dart';
 import '../custom_text_field.dart';
 
 class PassageForm extends StatefulWidget {
@@ -217,21 +218,21 @@ class _PassageFormState extends State<PassageForm> {
                       decoration: InputDecoration(
                         hintText: '0.00 €',
                         hintStyle: theme.textTheme.bodyLarge?.copyWith(
-                          color: theme.colorScheme.onSurface.withOpacity(0.5),
+                          color: theme.colorScheme.onSurface.withValues(alpha: 0.5),
                         ),
                         fillColor: const Color(0xFFF4F5F6),
                         filled: true,
                         border: OutlineInputBorder(
                           borderRadius: BorderRadius.circular(8),
                           borderSide: BorderSide(
-                            color: theme.colorScheme.onSurface.withOpacity(0.1),
+                            color: theme.colorScheme.onSurface.withValues(alpha: 0.1),
                             width: 1,
                           ),
                         ),
                         enabledBorder: OutlineInputBorder(
                           borderRadius: BorderRadius.circular(8),
                           borderSide: BorderSide(
-                            color: theme.colorScheme.onSurface.withOpacity(0.1),
+                            color: theme.colorScheme.onSurface.withValues(alpha: 0.1),
                             width: 1,
                           ),
                         ),
@@ -312,10 +313,10 @@ class _PassageFormState extends State<PassageForm> {
                 ),
                 minimumSize: const Size(200, 50),
               ),
-              child: const Text(
+              child: Text(
                 'Enregistrer',
                 style: TextStyle(
-                  fontSize: 18,
+                  fontSize: AppTheme.r(context, 18),
                   fontWeight: FontWeight.w500,
                 ),
               ),
@@ -332,7 +333,6 @@ class _PassageFormState extends State<PassageForm> {
     required Function(String?) onChanged,
   }) {
     final theme = Theme.of(context);
-    final isSelected = value == groupValue;
 
     return Row(
       children: [
@@ -359,10 +359,10 @@ class _PassageFormState extends State<PassageForm> {
     return Container(
       padding: const EdgeInsets.symmetric(horizontal: 15, vertical: 5),
       decoration: BoxDecoration(
-        color: const Color(0xFFF4F5F6).withOpacity(0.85),
+        color: const Color(0xFFF4F5F6).withValues(alpha: 0.85),
         borderRadius: BorderRadius.circular(8),
         border: Border.all(
-          color: const Color(0xFF20335E).withOpacity(0.1),
+          color: const Color(0xFF20335E).withValues(alpha: 0.1),
           width: 1,
         ),
       ),