Enhance Google and Apple sign-up methods to include name and firstname parameters

lib/components/loading/laoding_content.dart

@@ -6,11 +6,11 @@ class LoadingContent extends StatefulWidget {
   final VoidCallback? onComplete;
 
   const LoadingContent({
-    Key? key,
+    super.key,
     this.onBackgroundTask,
     this.loadingText = "Chargement en cours...",
     this.onComplete,
-  }) : super(key: key);
+  });
 
   @override
   State<LoadingContent> createState() => _LoadingContentState();
@@ -57,7 +57,6 @@ class _LoadingContentState extends State<LoadingContent>
           widget.onComplete!();
         }
       } catch (e) {
-        // Gérer les erreurs si nécessaire
         print('Erreur lors de la tâche en arrière-plan: $e');
       }
     }
@@ -72,8 +71,11 @@ class _LoadingContentState extends State<LoadingContent>
 
   @override
   Widget build(BuildContext context) {
+    final theme = Theme.of(context);
+    final isDark = theme.brightness == Brightness.dark;
+
     return Scaffold(
-      backgroundColor: Colors.white,
+      backgroundColor: theme.scaffoldBackgroundColor,
       body: Center(
         child: Column(
           mainAxisAlignment: MainAxisAlignment.center,
@@ -96,21 +98,21 @@ class _LoadingContentState extends State<LoadingContent>
                         shape: BoxShape.circle,
                         gradient: LinearGradient(
                           colors: [
-                            Colors.blue.shade400,
-                            Colors.purple.shade400,
+                            theme.primaryColor.withValues(alpha: 0.8),
+                            theme.primaryColor,
                           ],
                           begin: Alignment.topLeft,
                           end: Alignment.bottomRight,
                         ),
                         boxShadow: [
                           BoxShadow(
-                            color: Colors.blue.withOpacity(0.3),
+                            color: theme.primaryColor.withValues(alpha: 0.3),
                             blurRadius: 20,
                             spreadRadius: 5,
                           ),
                         ],
                       ),
-                      child: const Icon(
+                      child: Icon(
                         Icons.travel_explore,
                         color: Colors.white,
                         size: 40,
@@ -130,10 +132,9 @@ class _LoadingContentState extends State<LoadingContent>
                   opacity: _pulseAnimation.value - 0.3,
                   child: Text(
                     widget.loadingText ?? "Chargement en cours...",
-                    style: TextStyle(
-                      fontSize: 18,
+                    style: theme.textTheme.bodyLarge?.copyWith(
                       fontWeight: FontWeight.w500,
-                      color: Colors.grey.shade700,
+                      color: isDark ? Colors.white : Colors.black,
                     ),
                     textAlign: TextAlign.center,
                   ),
@@ -146,8 +147,10 @@ class _LoadingContentState extends State<LoadingContent>
             SizedBox(
               width: 200,
               child: LinearProgressIndicator(
-                backgroundColor: Colors.grey.shade300,
-                valueColor: AlwaysStoppedAnimation<Color>(Colors.blue.shade400),
+                backgroundColor: isDark
+                    ? Colors.grey[800]
+                    : Colors.grey.shade300,
+                valueColor: AlwaysStoppedAnimation<Color>(theme.primaryColor),
               ),
             ),
           ],