criação da tela home dos professores e aniquilação do placeholder da home dos professores

(talzes o "já tenho conta" desapareça, talvez nao, que seja oq deus quiser)

lib/features/dashboard/presentation/pages/teacher_dashboard_page.dart

@@ -1,26 +1,153 @@
 import 'package:flutter/material.dart';
-import '../../../../core/theme/app_colors.dart';
+import 'package:go_router/go_router.dart';
+import '../../../../core/services/auth_service.dart';
+import '../widgets/teacher_hero_widget.dart';
+import '../widgets/teacher_quick_actions_widget.dart';
+import '../widgets/teacher_analytics_preview_widget.dart';
 
-class TeacherDashboardPage extends StatelessWidget {
+class TeacherDashboardPage extends StatefulWidget {
   const TeacherDashboardPage({super.key});
 
+  @override
+  State<TeacherDashboardPage> createState() => _TeacherDashboardPageState();
+}
+
+class _TeacherDashboardPageState extends State<TeacherDashboardPage> {
+  String _userName = 'Professor';
+
+  @override
+  void initState() {
+    super.initState();
+    _loadUserData();
+  }
+
+  @override
+  void didChangeDependencies() {
+    super.didChangeDependencies();
+    _loadUserData();
+  }
+
+  Future<void> _loadUserData() async {
+    try {
+      final user = AuthService.currentUser;
+      if (user != null) {
+        print('DEBUG: Loading teacher data for dashboard');
+        print('DEBUG: User email: ${user.email}');
+        print('DEBUG: User displayName before reload: ${user.displayName}');
+
+        await user.reload();
+
+        final updatedUser = AuthService.currentUser;
+        if (updatedUser != null) {
+          print(
+            'DEBUG: User displayName after reload: ${updatedUser.displayName}',
+          );
+
+          String displayName = updatedUser.displayName ?? '';
+          print('DEBUG: Initial displayName value: "$displayName"');
+
+          if (displayName.isEmpty && updatedUser.email != null) {
+            displayName = updatedUser.email!.split('@')[0];
+            print('DEBUG: Extracted name from email: "$displayName"');
+          }
+          if (displayName.isEmpty) {
+            displayName = 'Professor';
+            print('DEBUG: Using fallback "Professor"');
+          }
+
+          print('DEBUG: Final displayName to use: "$displayName"');
+          setState(() {
+            _userName = displayName;
+          });
+        }
+      }
+    } catch (e) {
+      print('DEBUG: Error loading user data: $e');
+    }
+  }
+
   @override
   Widget build(BuildContext context) {
     return Scaffold(
-      backgroundColor: AppColors.background,
-      appBar: AppBar(
-        title: const Text('Teacher Dashboard'),
-        backgroundColor: AppColors.surface,
-        foregroundColor: AppColors.textPrimary,
-        elevation: 0,
-      ),
-      body: const Center(
-        child: Text(
-          'Teacher Dashboard - Coming Soon',
-          style: TextStyle(
-            fontSize: 24,
-            fontWeight: FontWeight.bold,
-            color: AppColors.textPrimary,
+      body: Container(
+        decoration: const BoxDecoration(
+          gradient: LinearGradient(
+            begin: Alignment.topCenter,
+            end: Alignment.bottomCenter,
+            colors: [
+              Color(0xFF82C9BD),
+              Color(0xFF7BA89C),
+              Color(0xFFF68D2D),
+              Color(0xFFF8F9FA),
+            ],
+            stops: [0.0, 0.2, 0.6, 1.0],
+          ),
+        ),
+        child: SafeArea(
+          child: SingleChildScrollView(
+            child: Padding(
+              padding: const EdgeInsets.all(24.0),
+              child: Column(
+                crossAxisAlignment: CrossAxisAlignment.start,
+                children: [
+                  // Header with logout
+                  Row(
+                    children: [
+                      Expanded(
+                        child: Column(
+                          crossAxisAlignment: CrossAxisAlignment.start,
+                          children: [
+                            Text(
+                              'Bem-vindo, $_userName!',
+                              style: const TextStyle(
+                                color: Colors.white,
+                                fontSize: 28,
+                                fontWeight: FontWeight.bold,
+                              ),
+                            ),
+                            const SizedBox(height: 4),
+                            const Text(
+                              'Painel de Gestão de Conteúdo',
+                              style: TextStyle(
+                                color: Colors.white,
+                                fontSize: 16,
+                                fontWeight: FontWeight.w300,
+                              ),
+                            ),
+                          ],
+                        ),
+                      ),
+                      IconButton(
+                        icon: const Icon(Icons.logout, color: Colors.white),
+                        onPressed: () async {
+                          await AuthService.signOut();
+                          if (mounted) {
+                            context.go('/login');
+                          }
+                        },
+                        tooltip: 'Sair',
+                      ),
+                    ],
+                  ),
+                  const SizedBox(height: 32),
+
+                  // Hero Section - Class Overview
+                  TeacherHeroWidget(userName: _userName),
+
+                  const SizedBox(height: 24),
+
+                  // Quick Actions Section
+                  const TeacherQuickActionsWidget(),
+
+                  const SizedBox(height: 24),
+
+                  // Analytics Preview Section
+                  const TeacherAnalyticsPreviewWidget(),
+
+                  const SizedBox(height: 40),
+                ],
+              ),
+            ),
           ),
         ),
       ),