correção de bugs, creação propria para turmas, e preparação para criar quizzes

lib/features/classes/presentation/pages/teacher_all_classes_page.dart

@@ -0,0 +1,41 @@
+import 'package:flutter/material.dart';
+import '../../../dashboard/presentation/widgets/teacher_classes_list_widget.dart';
+
+/// Página dedicada para o professor ver todas as suas turmas
+/// Reutiliza o TeacherClassesListWidget existente
+class TeacherAllClassesPage extends StatelessWidget {
+  const TeacherAllClassesPage({super.key});
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      backgroundColor: const Color(0xFFF8F9FA),
+      appBar: AppBar(
+        backgroundColor: const Color(0xFF82C9BD),
+        elevation: 0,
+        leading: IconButton(
+          icon: const Icon(Icons.arrow_back, color: Colors.white),
+          onPressed: () => Navigator.of(context).pop(),
+        ),
+        title: const Text(
+          'As Minhas Turmas',
+          style: TextStyle(
+            color: Colors.white,
+            fontSize: 18,
+            fontWeight: FontWeight.bold,
+          ),
+        ),
+      ),
+      body: const SingleChildScrollView(
+        padding: EdgeInsets.all(24.0),
+        child: Column(
+          crossAxisAlignment: CrossAxisAlignment.start,
+          children: [
+            TeacherClassesListWidget(),
+            SizedBox(height: 40),
+          ],
+        ),
+      ),
+    );
+  }
+}