mudanças nos nomes dos widgets

lib/features/analytics/presentation/widgets/class_analytics_card.dart

@@ -66,7 +66,7 @@ class ClassAnalyticsCard extends StatelessWidget {
                           ),
                           const SizedBox(height: 4),
                           Text(
-                            '${classStats.activeStudents} de ${classStats.totalStudents} alunos ativos',
+                            '${classStats.activeStudents} de ${classStats.totalStudents} alunos matriculados',
                             style: TextStyle(
                               color: Colors.white.withValues(alpha: 0.8),
                               fontSize: 14,

lib/features/dashboard/presentation/widgets/teacher_analytics_preview_widget.dart

@@ -75,7 +75,7 @@ class _TeacherAnalyticsPreviewWidgetState
           children: [
             _buildQuickStat(
               icon: Icons.check_circle,
-              label: 'Alunos Ativos',
+              label: 'Alunos Matriculados',
               value: '18/24',
               color: Theme.of(context).colorScheme.primary,
             ),

lib/features/dashboard/presentation/widgets/teacher_quick_actions_widget.dart

@@ -89,7 +89,7 @@ class _TeacherQuickActionsWidgetState extends State<TeacherQuickActionsWidget> {
     return ClipRRect(
       borderRadius: BorderRadius.circular(16),
       child: DashboardActionCard(
-        title: 'Upload Conteúdo',
+        title: 'Gerenciamento de Conteúdo',
         subtitle: 'PDFs, textos, imagens',
         icon: Icons.upload_file,
         useGradient: true,
@@ -189,7 +189,7 @@ class _TeacherQuickActionsWidgetState extends State<TeacherQuickActionsWidget> {
     final cs = Theme.of(context).colorScheme;
     final items = [
       _TeacherActionItem(
-        title: 'Upload Conteúdo',
+        title: 'Gerenciamento de Conteúdo',
         subtitle: 'PDFs, textos, imagens',
         icon: Icons.upload_file,
         useGradient: true,