- Dark / light mode a funcionar no lado do aluno

- Atualização dos ficheiros markdown.

docs/CHANGELOG.md

@@ -87,6 +87,29 @@
   - Loading state with CircularProgressIndicator
 
 ### Fixed
+- **Settings Profile Card UI** - Fixed white background and duplicate email display
+  - Background now uses Theme.of(context).colorScheme.surface instead of hardcoded white
+  - User info displays displayName (bold, larger) on top, email (smaller) below
+  - File: lib/features/settings/presentation/pages/profile_edit_page.dart
+
+- **Signup Page Input Field Theming** - Fixed dark backgrounds in light mode
+  - Input fields now use conditional background based on theme brightness
+  - Light mode: surface color, Dark mode: surfaceContainerHighest
+  - Applied to name, email, and password fields
+  - File: lib/features/auth/presentation/pages/signup_page.dart
+
+- **Dashboard Progress Container Theming** - Fixed dark background in light mode
+  - "Ótimo progresso!" container now uses conditional background
+  - Light mode: surface color, Dark mode: surfaceContainerHighest
+  - File: lib/features/dashboard/presentation/widgets/profile_section_widget.dart
+
+- **Authentication Navigation** - Enhanced back button behavior
+  - Removed AppBar from login and signup pages
+  - Added PopScope for Android back button navigation to role-selection
+  - Added custom positioned back button with aesthetic design
+  - Positioned at top: 50 to avoid notification bar overlap
+  - Files: lib/features/auth/presentation/pages/login_page.dart, signup_page.dart
+
 - **Unified Quick Action Cards Text Style**
   - "Upload Conteúdo" and "Criar Quiz" cards now match "Criar Turma" text alignment
   - All cards use `Column` with `crossAxisAlignment: CrossAxisAlignment.start` for text section

docs/FRONTEND_MVP_TASKS.md

@@ -496,14 +496,20 @@ class FirebaseConstants {
 **Dependencies**: Task 1.4
 
 #### Subtasks:
-- [ ] Implement Firebase Auth service
-- [ ] Create user models and entities
-- [ ] Build authentication repository
-- [ ] Implement sign in use case
-- [ ] Implement sign up use case
+- [x] Implement Firebase Auth service
+- [x] Create user models and entities
+- [x] Build authentication repository
+- [x] Implement sign in use case
+- [x] Implement sign up use case
 - [ ] Implement password reset
-- [ ] Create authentication providers
-- [ ] Build login/signup screens
+- [x] Create authentication providers
+- [x] Build login/signup screens (with navigation improvements and theme fixes)
+
+**Recent Updates:**
+- ✅ Enhanced authentication navigation with PopScope for Android back button support
+- ✅ Removed AppBar and added custom positioned back button with aesthetic design
+- ✅ Fixed theme consistency in signup page input fields (light/dark mode)
+- ✅ Navigation flow complete: back button navigates to role-selection
 
 #### Implementation:
 

docs/PROJECT_PROGRESS.md

@@ -28,7 +28,7 @@ This document tracks the overall progress of the AI Study Assistant project deve
 
 - ✅ **Foundation:** 100% Complete
 
-- ✅ **UI/UX:** 90% Complete  
+- ✅ **UI/UX:** 95% Complete  
 
 - ✅ **Internationalization:** 100% Complete
 
@@ -66,7 +66,7 @@ This document tracks the overall progress of the AI Study Assistant project deve
 
 - [x] Splash screen with animations
 
-- [x] Login page with improved design
+- [x] Login page with improved design and navigation
 
 - [x] Role selection page (student/teacher)
 
@@ -76,7 +76,7 @@ This document tracks the overall progress of the AI Study Assistant project deve
 
 - [x] Dark/light theme support
 
-- [ ] Signup page (needs update)
+- [x] Signup page (updated with theme fixes)
 
 - [x] Dashboard pages (fixed overflow issue)
 
@@ -355,11 +355,9 @@ This document tracks the overall progress of the AI Study Assistant project deve
 
 
 
-### **Minor Issues (1)**
+### **Minor Issues (0)**
 
-- [ ] Signup page needs design update
-
-- [ ] Some animations could be optimized
+- None currently
 
 
 
@@ -419,6 +417,31 @@ This document tracks the overall progress of the AI Study Assistant project deve
 
 ### **Last 24 Hours:**
 
+- ✅ **Fixed Settings Profile Card UI** - profile_edit_page.dart
+  - Background: Changed from hardcoded white to Theme.of(context).colorScheme.surface
+  - User info: Fixed duplicate email display, now shows displayName (bold, fontSize 16) on top and email (fontSize 14) below
+  - Shadow: Updated to use Theme.of(context).colorScheme.shadow.withOpacity(0.1)
+
+- ✅ **Fixed Signup Page Input Fields** - signup_page.dart
+  - Background: Changed to conditional based on brightness
+    - Light mode: Theme.of(context).colorScheme.surface
+    - Dark mode: Theme.of(context).colorScheme.surfaceContainerHighest
+  - Applied to name, email, and password fields (lines 259-265, 316-322, 386-392)
+
+- ✅ **Fixed Dashboard Progress Container** - profile_section_widget.dart
+  - "Ótimo progresso!" container background changed to conditional
+    - Light mode: Theme.of(context).colorScheme.surface
+    - Dark mode: Theme.of(context).colorScheme.surfaceContainerHighest
+
+- ✅ **Enhanced Authentication Navigation** - login_page.dart & signup_page.dart
+  - Removed AppBar from both pages
+  - Added PopScope with canPop: false and onPopInvokedWithResult to navigate to '/role-selection'
+  - Added custom positioned back button (top: 50, left: 16) with:
+    - Semi-transparent container (colorScheme.surface.withOpacity(0.8))
+    - Rounded corners (12px)
+    - Subtle shadow (colorScheme.shadow.withOpacity(0.1), blurRadius: 8)
+    - Positioned below notification bar to avoid overlap
+
 - ✅ **Teacher Materials Upload Page** - Nova tela dedicada para professores enviarem materiais para a IA
   - Ficheiro: `lib/features/materials/presentation/pages/teacher_materials_page.dart`
   - **FASE 1**: Criar tela com AppBar "Materiais da Turma" e design consistente
@@ -712,7 +735,7 @@ This document tracks the overall progress of the AI Study Assistant project deve
 
 
 
-**📊 Last Updated: 2024-05-06 21:43**
+**📊 Last Updated: 2026-05-14 21:04**
 
 **🔄 Auto-Update: Enabled**