diff --git a/assets/videos/episodio_11.mp4 b/assets/videos/episodio_11.mp4
deleted file mode 100644
index 6cfe5b4..0000000
Binary files a/assets/videos/episodio_11.mp4 and /dev/null differ
diff --git a/assets/videos/episodio_12.mp4 b/assets/videos/episodio_12.mp4
deleted file mode 100644
index 2f83074..0000000
Binary files a/assets/videos/episodio_12.mp4 and /dev/null differ
diff --git a/assets/videos/episodio_13.mp4 b/assets/videos/episodio_13.mp4
deleted file mode 100644
index 64b52f1..0000000
Binary files a/assets/videos/episodio_13.mp4 and /dev/null differ
diff --git a/lib/brushing_prefs.dart b/lib/brushing_prefs.dart
new file mode 100644
index 0000000..1aa286a
--- /dev/null
+++ b/lib/brushing_prefs.dart
@@ -0,0 +1,84 @@
+import 'package:shared_preferences/shared_preferences.dart';
+
+/// Registo local (por criança) de escovagens e da meta semanal.
+/// Segue o mesmo padrão de [QuizPrefs]: chaves com sufixo `_scopeId`,
+/// guardadas via [SharedPreferences], sem qualquer chamada ao Supabase.
+///
+/// Cada escovagem é guardada com a hora exata (não só a data), para permitir
+/// até [maxPerDay] registos por dia — a criança pode escovar os dentes de
+/// manhã, à tarde e à noite, a qualquer hora.
+class BrushingPrefs {
+  static const String _kGoalKey = 'brushing_weekly_goal';
+  static const String _kDatesKey = 'brushing_dates';
+  static const int maxPerDay = 3;
+  static const int defaultWeeklyGoal = maxPerDay * 7;
+
+  static String _key(String base, String scopeId) => '${base}_$scopeId';
+
+  static Future<List<DateTime>> _getEntries(String scopeId) async {
+    final prefs = await SharedPreferences.getInstance();
+    final raw = prefs.getStringList(_key(_kDatesKey, scopeId)) ?? const [];
+    return raw.map(DateTime.tryParse).whereType<DateTime>().toList();
+  }
+
+  static Future<int> getWeeklyGoal(String scopeId) async {
+    final prefs = await SharedPreferences.getInstance();
+    return prefs.getInt(_key(_kGoalKey, scopeId)) ?? defaultWeeklyGoal;
+  }
+
+  static Future<void> setWeeklyGoal(String scopeId, int goal) async {
+    final prefs = await SharedPreferences.getInstance();
+    await prefs.setInt(_key(_kGoalKey, scopeId), goal);
+  }
+
+  static Future<int> getTodayCount(String scopeId) async {
+    final entries = await _getEntries(scopeId);
+    final now = DateTime.now();
+    return entries
+        .where(
+          (d) =>
+              d.year == now.year && d.month == now.month && d.day == now.day,
+        )
+        .length;
+  }
+
+  static Future<bool> canLogMore(String scopeId) async {
+    return (await getTodayCount(scopeId)) < maxPerDay;
+  }
+
+  /// Regista uma escovagem agora — não faz nada se o limite diário já foi
+  /// atingido (chamador deve verificar [canLogMore] antes, se quiser avisar
+  /// o utilizador).
+  static Future<void> logToday(String scopeId) async {
+    if (!(await canLogMore(scopeId))) return;
+    final prefs = await SharedPreferences.getInstance();
+    final key = _key(_kDatesKey, scopeId);
+    final list = prefs.getStringList(key) ?? <String>[];
+    list.add(DateTime.now().toIso8601String());
+    await prefs.setStringList(key, list);
+  }
+
+  /// Já atingiu o limite diário de [maxPerDay] escovagens hoje?
+  static Future<bool> hasReachedDailyLimit(String scopeId) async {
+    return (await getTodayCount(scopeId)) >= maxPerDay;
+  }
+
+  /// Conta quantas escovagens foram registadas na semana atual
+  /// (segunda-feira a domingo).
+  static Future<int> getWeekCount(String scopeId) async {
+    final entries = await _getEntries(scopeId);
+
+    final now = DateTime.now();
+    final monday = DateTime(
+      now.year,
+      now.month,
+      now.day,
+    ).subtract(Duration(days: now.weekday - 1));
+
+    return entries
+        .where(
+          (d) => !DateTime(d.year, d.month, d.day).isBefore(monday),
+        )
+        .length;
+  }
+}
diff --git a/lib/logged_home.dart b/lib/logged_home.dart
index 549f51c..2bc6b72 100644
--- a/lib/logged_home.dart
+++ b/lib/logged_home.dart
@@ -8,11 +8,13 @@ import 'dart:math' as math;
 import 'dart:io';
 import 'package:shared_preferences/shared_preferences.dart';
 
+import 'brushing_prefs.dart';
 import 'main.dart' show supabase;
 import 'quiz/quiz1.dart';
 import 'quiz/quiz_prefs.dart';
 import 'screens/settings_screen.dart';
 import 'screens/video_screen.dart';
+import 'watched_videos_prefs.dart';
 import 'widgets/animated_nav_icon.dart';
 import 'widgets/app_dialogs.dart';
 import 'widgets/app_gradients.dart';
@@ -22,6 +24,28 @@ import 'widgets/tap_bounce.dart';
 /// Nomes só podem ter letras (incluindo acentuadas) e espaços — sem números.
 final RegExp _namePattern = RegExp(r"^[a-zA-ZÀ-ÖØ-öø-ÿ' -]+$");
 
+/// Calcula a idade a partir de `birth_date` (novo campo). Para crianças
+/// cadastradas antes desta mudança, que só têm a coluna legada `age`, usa
+/// esse valor como fallback.
+int? _childAge(Map<String, dynamic> child) {
+  final birthDateRaw = (child['birth_date'] ?? '').toString().trim();
+  if (birthDateRaw.isNotEmpty) {
+    final birthDate = DateTime.tryParse(birthDateRaw);
+    if (birthDate != null) {
+      final now = DateTime.now();
+      int age = now.year - birthDate.year;
+      if (now.month < birthDate.month ||
+          (now.month == birthDate.month && now.day < birthDate.day)) {
+        age--;
+      }
+      return age;
+    }
+  }
+  final legacyAge = child['age'];
+  if (legacyAge is int) return legacyAge;
+  return int.tryParse((legacyAge ?? '').toString());
+}
+
 class LoggedHomeScreen extends StatefulWidget {
   const LoggedHomeScreen({super.key});
 
@@ -47,6 +71,12 @@ class _LoggedHomeScreenState extends State<LoggedHomeScreen>
   int? _lastScore;
   int? _lastMaxScore;
 
+  int? _brushingWeekCount;
+  int _weeklyGoal = BrushingPrefs.defaultWeeklyGoal;
+  bool _brushingDailyLimitReached = false;
+  int? _watchedVideoCount;
+  VideoData? _continueVideo;
+
   String _cachedUserName = 'Sem nome';
   String? _cachedPhotoUrl;
 
@@ -55,11 +85,49 @@ class _LoggedHomeScreenState extends State<LoggedHomeScreen>
     super.initState();
     _loadQuizResult();
     _loadInitialProfile();
+    refreshStats();
     WidgetsBinding.instance.addPostFrameCallback((_) {
       if (mounted) _maybeStartPendingQuiz();
     });
   }
 
+  /// Recarrega os dados locais de escovagem e vídeos assistidos da criança
+  /// atualmente selecionada. Chamado ao trocar de criança, ao editar a meta
+  /// semanal e depois de registar uma escovagem ou um vídeo completo.
+  Future<void> refreshStats() async {
+    final scope = (_selectedChildScopeId ?? '').trim();
+    if (scope.isEmpty) {
+      if (!mounted) return;
+      setState(() {
+        _brushingWeekCount = null;
+        _weeklyGoal = BrushingPrefs.defaultWeeklyGoal;
+        _brushingDailyLimitReached = false;
+        _watchedVideoCount = null;
+        _continueVideo = videoList.first;
+      });
+      return;
+    }
+
+    final weekCount = await BrushingPrefs.getWeekCount(scope);
+    final goal = await BrushingPrefs.getWeeklyGoal(scope);
+    final dailyLimitReached = await BrushingPrefs.hasReachedDailyLimit(scope);
+    final watchedCount = await WatchedVideosPrefs.getWatchedCount(scope);
+    final watchedIds = await WatchedVideosPrefs.getWatchedIds(scope);
+    final continueVideo = videoList.firstWhere(
+      (v) => !watchedIds.contains(v.id),
+      orElse: () => videoList.last,
+    );
+
+    if (!mounted) return;
+    setState(() {
+      _brushingWeekCount = weekCount;
+      _weeklyGoal = goal;
+      _brushingDailyLimitReached = dailyLimitReached;
+      _watchedVideoCount = watchedCount;
+      _continueVideo = continueVideo;
+    });
+  }
+
   Future<void> _maybeStartPendingQuiz() async {
     try {
       final prefs = await SharedPreferences.getInstance();
@@ -133,6 +201,7 @@ class _LoggedHomeScreenState extends State<LoggedHomeScreen>
         }
       });
       await _loadQuizResult();
+      await refreshStats();
     } catch (_) {
       // no-op
     }
@@ -200,6 +269,7 @@ class _LoggedHomeScreenState extends State<LoggedHomeScreen>
       _selectedChildScopeId = scopeId;
     });
     _loadQuizResult();
+    refreshStats();
   }
 
   void updateCachedPhoto(String url) {
@@ -272,7 +342,7 @@ class _LoggedHomeScreenState extends State<LoggedHomeScreen>
                               Positioned(
                                 left: 0,
                                 right: 0,
-                                top: toolbarHeight + 18,
+                                top: toolbarHeight + 34,
                                 child: Center(
                                   child: Text(
                                     (_selectedChildName ?? '').trim(),
@@ -313,7 +383,7 @@ class _LoggedHomeScreenState extends State<LoggedHomeScreen>
                               Positioned(
                                 left: 0,
                                 right: 0,
-                                bottom: 6,
+                                bottom: 4,
                                 child: Center(
                                   child: _RiskArcGauge(percent: percent),
                                 ),
@@ -323,7 +393,11 @@ class _LoggedHomeScreenState extends State<LoggedHomeScreen>
                 ),
               ),
               title: Align(
-                alignment: _index == 0 ? Alignment.topLeft : Alignment.center,
+                alignment: _index != 0
+                    ? Alignment.center
+                    : (_selectedChildName ?? '').trim().isEmpty
+                    ? Alignment.centerLeft
+                    : Alignment.topLeft,
                 child: _index == 0
                     ? Padding(
                         padding: const EdgeInsets.only(left: 16, right: 10),
@@ -454,6 +528,7 @@ class _LoggedHomeScreenState extends State<LoggedHomeScreen>
                             _selectedChildScopeId = scopeId;
                           });
                           _loadQuizResult();
+                          refreshStats();
                         },
                       )
                     : const SettingsBody(),
@@ -643,6 +718,9 @@ class _InicioTab extends StatelessWidget {
   Widget build(BuildContext context) {
     final state = context.findAncestorStateOfType<_LoggedHomeScreenState>();
     final selectedChildName = (state?._selectedChildName ?? '').trim();
+    final scopeId = state?._selectedChildScopeId;
+    final featured = state?._continueVideo ?? videoList.first;
+    final hasWatchedAny = (state?._watchedVideoCount ?? 0) > 0;
 
     return Align(
       alignment: Alignment.topCenter,
@@ -655,29 +733,56 @@ class _InicioTab extends StatelessWidget {
               mainAxisSize: MainAxisSize.min,
               crossAxisAlignment: CrossAxisAlignment.stretch,
               children: [
+                if (selectedChildName.isNotEmpty) ...[
+                  FadeSlideIn(
+                    child: _HomeSectionLabel('Para $selectedChildName'),
+                  ),
+                  const SizedBox(height: 8),
+                ],
                 FadeSlideIn(
                   child: TapBounce(
                     scale: 0.97,
-                    child: _HeroQuizCard(
-                      childName: selectedChildName,
-                      onStartQuiz: () => _startQuiz(context),
-                    ),
+                    child: _HeroQuizCard(onStartQuiz: () => _startQuiz(context)),
                   ),
                 ),
                 const SizedBox(height: 16),
                 FadeSlideIn(
-                  delay: const Duration(milliseconds: 90),
-                  child: TapBounce(
-                    scale: 0.97,
-                    child: _VideoLibraryCard(
-                      onOpenLibrary: () {
-                        Navigator.of(context).push(
-                          MaterialPageRoute<void>(
-                            builder: (_) => const VideoScreen(),
-                          ),
-                        );
-                      },
-                    ),
+                  delay: const Duration(milliseconds: 70),
+                  child: _StatsRow(
+                    brushingCount: state?._brushingWeekCount,
+                    weeklyGoal: state?._weeklyGoal ?? BrushingPrefs.defaultWeeklyGoal,
+                    brushedToday: state?._brushingDailyLimitReached ?? false,
+                    watchedCount: state?._watchedVideoCount,
+                    onTapBrushing: () => _logBrushing(context, state, scopeId),
+                  ),
+                ),
+                const SizedBox(height: 20),
+                FadeSlideIn(
+                  delay: const Duration(milliseconds: 110),
+                  child: const _HomeSectionLabel('Continuar onde parou'),
+                ),
+                const SizedBox(height: 8),
+                FadeSlideIn(
+                  delay: const Duration(milliseconds: 130),
+                  child: _ContinueWatchingRow(
+                    video: featured,
+                    hasWatchedAny: hasWatchedAny,
+                    onTap: () async {
+                      await showVideoPlayerDialog(
+                        context,
+                        featured,
+                        scopeId: scopeId,
+                      );
+                      await state?.refreshStats();
+                    },
+                    onViewAll: () async {
+                      await Navigator.of(context).push(
+                        MaterialPageRoute<void>(
+                          builder: (_) => VideoScreen(scopeId: scopeId),
+                        ),
+                      );
+                      await state?.refreshStats();
+                    },
                   ),
                 ),
                 const SizedBox(height: 16),
@@ -688,6 +793,193 @@ class _InicioTab extends StatelessWidget {
       ),
     );
   }
+
+  Future<void> _logBrushing(
+    BuildContext context,
+    _LoggedHomeScreenState? state,
+    String? scopeId,
+  ) async {
+    final scope = (scopeId ?? '').trim();
+    if (scope.isEmpty) {
+      final uid = (supabase.auth.currentUser?.id ?? '').trim();
+      if (uid.isEmpty) return;
+      await _requireFirstChild(context, uid);
+      return;
+    }
+    final messenger = ScaffoldMessenger.of(context);
+    if (!(await BrushingPrefs.canLogMore(scope))) {
+      messenger.showSnackBar(
+        const SnackBar(
+          content: Text('Já registou as ${BrushingPrefs.maxPerDay} escovagens de hoje!'),
+        ),
+      );
+      return;
+    }
+    await BrushingPrefs.logToday(scope);
+    await state?.refreshStats();
+    messenger.showSnackBar(const SnackBar(content: Text('Escovagem registada!')));
+  }
+}
+
+/// Pequeno rótulo maiúsculo discreto usado para separar as secções da Home
+/// ("Para {nome}", "Novo episódio", "Continuar a aprender").
+class _HomeSectionLabel extends StatelessWidget {
+  const _HomeSectionLabel(this.text);
+
+  final String text;
+
+  @override
+  Widget build(BuildContext context) {
+    return Padding(
+      padding: const EdgeInsets.only(left: 4),
+      child: Text(
+        text.toUpperCase(),
+        style: TextStyle(
+          fontSize: 12,
+          fontWeight: FontWeight.w800,
+          letterSpacing: 0.6,
+          color: Colors.black.withValues(alpha: 0.45),
+        ),
+      ),
+    );
+  }
+}
+
+class _StatsRow extends StatelessWidget {
+  const _StatsRow({
+    required this.brushingCount,
+    required this.weeklyGoal,
+    required this.brushedToday,
+    required this.watchedCount,
+    required this.onTapBrushing,
+  });
+
+  final int? brushingCount;
+  final int weeklyGoal;
+  final bool brushedToday;
+  final int? watchedCount;
+  final VoidCallback onTapBrushing;
+
+  @override
+  Widget build(BuildContext context) {
+    return IntrinsicHeight(
+      child: Row(
+        crossAxisAlignment: CrossAxisAlignment.stretch,
+        children: [
+          Expanded(
+            child: TapBounce(
+              scale: 0.97,
+              child: _StatCard(
+                icon: Icons.brush_rounded,
+                iconColor: const Color(0xFFFF55A7),
+                value: brushingCount == null
+                    ? '--'
+                    : '$brushingCount/$weeklyGoal',
+                label: 'Escovagens esta semana',
+                done: brushedToday,
+                onTap: onTapBrushing,
+              ),
+            ),
+          ),
+          const SizedBox(width: 12),
+          Expanded(
+            child: _StatCard(
+              icon: Icons.movie_filter_rounded,
+              iconColor: const Color(0xFF8E7CC3),
+              value: watchedCount == null ? '--' : '$watchedCount',
+              label: 'Episódios completos',
+            ),
+          ),
+        ],
+      ),
+    );
+  }
+}
+
+class _StatCard extends StatelessWidget {
+  const _StatCard({
+    required this.icon,
+    required this.iconColor,
+    required this.value,
+    required this.label,
+    this.onTap,
+    this.done = false,
+  });
+
+  final IconData icon;
+  final Color iconColor;
+  final String value;
+  final String label;
+  final VoidCallback? onTap;
+  final bool done;
+
+  @override
+  Widget build(BuildContext context) {
+    return Material(
+      color: Colors.white,
+      borderRadius: BorderRadius.circular(20),
+      elevation: 8,
+      shadowColor: Colors.black.withValues(alpha: 0.10),
+      child: InkWell(
+        borderRadius: BorderRadius.circular(20),
+        onTap: onTap,
+        child: Padding(
+          padding: const EdgeInsets.all(14),
+          child: Column(
+            crossAxisAlignment: CrossAxisAlignment.start,
+            children: [
+              Stack(
+                clipBehavior: Clip.none,
+                children: [
+                  Container(
+                    width: 38,
+                    height: 38,
+                    decoration: BoxDecoration(
+                      color: iconColor.withValues(alpha: 0.14),
+                      borderRadius: BorderRadius.circular(12),
+                    ),
+                    child: Icon(icon, color: iconColor, size: 20),
+                  ),
+                  if (done)
+                    Positioned(
+                      top: -4,
+                      right: -4,
+                      child: Container(
+                        width: 16,
+                        height: 16,
+                        decoration: const BoxDecoration(
+                          color: Color(0xFF2F9E94),
+                          shape: BoxShape.circle,
+                        ),
+                        child: const Icon(
+                          Icons.check_rounded,
+                          size: 11,
+                          color: Colors.white,
+                        ),
+                      ),
+                    ),
+                ],
+              ),
+              const SizedBox(height: 10),
+              Text(
+                value,
+                style: const TextStyle(fontWeight: FontWeight.w900, fontSize: 20),
+              ),
+              const SizedBox(height: 2),
+              Text(
+                label,
+                style: TextStyle(
+                  fontSize: 11.5,
+                  fontWeight: FontWeight.w600,
+                  color: Colors.black.withValues(alpha: 0.6),
+                ),
+              ),
+            ],
+          ),
+        ),
+      ),
+    );
+  }
 }
 
 Future<Map<String, dynamic>?> _createChildViaSheet(
@@ -780,7 +1072,7 @@ Future<Map<String, dynamic>?> _pickChildSheet(
                       crossAxisAlignment: CrossAxisAlignment.stretch,
                       children: children.map((c) {
                         final name = (c['name'] ?? '').toString();
-                        final age = c['age'];
+                        final age = _childAge(c);
                         final label = age != null
                             ? '$name  •  $age anos'
                             : name;
@@ -839,86 +1131,107 @@ Future<Map<String, dynamic>?> _pickChildSheet(
 }
 
 class _HeroQuizCard extends StatelessWidget {
-  const _HeroQuizCard({required this.childName, required this.onStartQuiz});
+  const _HeroQuizCard({required this.onStartQuiz});
 
-  final String childName;
   final VoidCallback onStartQuiz;
 
   @override
   Widget build(BuildContext context) {
-    const Color teal = Color(0xFF2F9E94);
-    const Color pink = Color(0xFFFF55A7);
-
     return Material(
       elevation: 12,
-      shadowColor: Colors.black.withValues(alpha: 0.18),
+      shadowColor: Colors.black.withValues(alpha: 0.22),
       borderRadius: BorderRadius.circular(24),
-      color: Colors.white,
-      child: Padding(
-        padding: const EdgeInsets.fromLTRB(20, 20, 20, 18),
-        child: Column(
-          crossAxisAlignment: CrossAxisAlignment.start,
+      clipBehavior: Clip.antiAlias,
+      color: Colors.transparent,
+      child: Ink(
+        decoration: const BoxDecoration(gradient: kPinkHeroGradient),
+        child: Stack(
           children: [
-            Row(
-              children: [
-                Container(
-                  width: 44,
-                  height: 44,
-                  decoration: BoxDecoration(
-                    color: teal.withValues(alpha: 0.12),
-                    borderRadius: BorderRadius.circular(14),
-                  ),
-                  child: const Icon(
-                    Icons.medical_services_rounded,
-                    color: teal,
+            Positioned(
+              right: -30,
+              bottom: -30,
+              child: IgnorePointer(
+                child: Opacity(
+                  opacity: 0.14,
+                  child: Container(
+                    width: 140,
+                    height: 140,
+                    decoration: const BoxDecoration(
+                      color: Colors.white,
+                      shape: BoxShape.circle,
+                    ),
                   ),
                 ),
-                const SizedBox(width: 12),
-                Expanded(
-                  child: Column(
-                    crossAxisAlignment: CrossAxisAlignment.start,
-                    children: [
-                      const Text(
-                        'Avaliação de saúde oral',
-                        style: TextStyle(
-                          fontWeight: FontWeight.w900,
-                          fontSize: 16,
-                          color: pink,
-                        ),
-                      ),
-                      const SizedBox(height: 2),
-                      Text(
-                        childName.isNotEmpty
-                            ? 'Para $childName'
-                            : 'Responda o quiz e descubra como cuidar melhor do sorriso.',
-                        style: TextStyle(
-                          color: Colors.black.withValues(alpha: 0.62),
-                          fontWeight: FontWeight.w600,
-                          fontSize: 13,
-                        ),
-                      ),
-                    ],
-                  ),
-                ),
-              ],
+              ),
             ),
-            const SizedBox(height: 16),
-            SizedBox(
-              height: 48,
-              width: double.infinity,
-              child: FilledButton.icon(
-                style: FilledButton.styleFrom(
-                  backgroundColor: pink,
-                  foregroundColor: Colors.white,
-                  shape: const StadiumBorder(),
-                  textStyle: const TextStyle(
-                    fontWeight: FontWeight.w800,
-                    fontSize: 15,
+            Padding(
+              padding: const EdgeInsets.fromLTRB(20, 20, 20, 18),
+              child: Column(
+                crossAxisAlignment: CrossAxisAlignment.start,
+                children: [
+                  Container(
+                    padding: const EdgeInsets.symmetric(
+                      horizontal: 10,
+                      vertical: 5,
+                    ),
+                    decoration: BoxDecoration(
+                      color: Colors.white.withValues(alpha: 0.22),
+                      borderRadius: BorderRadius.circular(999),
+                    ),
+                    child: const Row(
+                      mainAxisSize: MainAxisSize.min,
+                      children: [
+                        Icon(Icons.bolt_rounded, color: Colors.white, size: 14),
+                        SizedBox(width: 4),
+                        Text(
+                          'Avaliação',
+                          style: TextStyle(
+                            color: Colors.white,
+                            fontWeight: FontWeight.w800,
+                            fontSize: 12,
+                          ),
+                        ),
+                      ],
+                    ),
                   ),
-                ),
-                onPressed: onStartQuiz,
-                icon: const Icon(Icons.play_arrow_rounded),
-                label: const Text('Iniciar Quiz'),
+                  const SizedBox(height: 12),
+                  const Text(
+                    'Avaliação de saúde oral',
+                    style: TextStyle(
+                      fontWeight: FontWeight.w900,
+                      fontSize: 19,
+                      color: Colors.white,
+                    ),
+                  ),
+                  const SizedBox(height: 4),
+                  Text(
+                    'Leva menos de 3 minutos a completar',
+                    style: TextStyle(
+                      color: Colors.white.withValues(alpha: 0.9),
+                      fontWeight: FontWeight.w600,
+                      fontSize: 13,
+                    ),
+                  ),
+                  const SizedBox(height: 16),
+                  SizedBox(
+                    height: 48,
+                    width: double.infinity,
+                    child: FilledButton.icon(
+                      style: FilledButton.styleFrom(
+                        backgroundColor: Colors.white,
+                        foregroundColor: const Color(0xFFFF55A7),
+                        shape: const StadiumBorder(),
+                        textStyle: const TextStyle(
+                          fontWeight: FontWeight.w800,
+                          fontSize: 15,
+                        ),
+                      ),
+                      onPressed: onStartQuiz,
+                      icon: const Icon(Icons.play_arrow_rounded),
+                      label: const Text('Iniciar Quiz'),
+                    ),
+                  ),
+                ],
               ),
             ),
           ],
@@ -928,117 +1241,118 @@ class _HeroQuizCard extends StatelessWidget {
   }
 }
 
-class _VideoLibraryCard extends StatelessWidget {
-  const _VideoLibraryCard({required this.onOpenLibrary});
+/// Linha compacta que mostra o próximo episódio por assistir (ou o último,
+/// se já viu todos) para retomar o progresso de onde a criança parou. Um
+/// segundo toque, no rodapé, abre a grelha completa de vídeos. Propositadamente
+/// sem preview de vídeo real (sem [VideoThumbnail]/controllers) — evita a
+/// contenção de decodificadores que já causou travamentos nesta app.
+class _ContinueWatchingRow extends StatelessWidget {
+  const _ContinueWatchingRow({
+    required this.video,
+    required this.hasWatchedAny,
+    required this.onTap,
+    required this.onViewAll,
+  });
 
-  final VoidCallback onOpenLibrary;
+  final VideoData video;
+  final bool hasWatchedAny;
+  final VoidCallback onTap;
+  final VoidCallback onViewAll;
 
   @override
   Widget build(BuildContext context) {
-    final featured = videoList.firstWhere(
-      (v) => v.videoPath != null,
-      orElse: () => videoList.first,
-    );
-
     return Material(
       color: Colors.white,
-      borderRadius: BorderRadius.circular(24),
-      elevation: 12,
-      shadowColor: Colors.black.withValues(alpha: 0.18),
-      child: InkWell(
-        borderRadius: BorderRadius.circular(24),
-        onTap: onOpenLibrary,
-        child: Column(
-          crossAxisAlignment: CrossAxisAlignment.stretch,
-          children: [
-            ClipRRect(
+      borderRadius: BorderRadius.circular(18),
+      elevation: 8,
+      shadowColor: Colors.black.withValues(alpha: 0.10),
+      child: Column(
+        mainAxisSize: MainAxisSize.min,
+        children: [
+          TapBounce(
+            scale: 0.98,
+            child: InkWell(
               borderRadius: const BorderRadius.vertical(
-                top: Radius.circular(24),
+                top: Radius.circular(18),
               ),
-              child: SizedBox(
-                height: 160,
-                child: Stack(
-                  fit: StackFit.expand,
+              onTap: onTap,
+              child: Padding(
+                padding: const EdgeInsets.all(14),
+                child: Row(
                   children: [
                     Container(
-                      color: const Color(0xFF2F9E94).withValues(alpha: 0.14),
-                    ),
-                    VideoThumbnail(
-                      video: featured,
-                      borderRadius: 0,
-                      iconSize: 54,
-                    ),
-                    IgnorePointer(
-                      child: Container(
-                        decoration: BoxDecoration(
-                          gradient: LinearGradient(
-                            begin: Alignment.topCenter,
-                            end: Alignment.bottomCenter,
-                            colors: [
-                              Colors.transparent,
-                              Colors.black.withValues(alpha: 0.35),
-                            ],
-                            stops: const [0.6, 1.0],
-                          ),
-                        ),
+                      width: 44,
+                      height: 44,
+                      decoration: BoxDecoration(
+                        color: const Color(0xFF2F9E94),
+                        borderRadius: BorderRadius.circular(13),
                       ),
+                      child: const Icon(
+                        Icons.play_arrow_rounded,
+                        color: Colors.white,
+                        size: 24,
+                      ),
+                    ),
+                    const SizedBox(width: 12),
+                    Expanded(
+                      child: Column(
+                        crossAxisAlignment: CrossAxisAlignment.start,
+                        children: [
+                          const Text(
+                            'Continuar onde parou',
+                            style: TextStyle(
+                              fontWeight: FontWeight.w900,
+                              fontSize: 15,
+                              color: Color(0xFFFF55A7),
+                            ),
+                          ),
+                          const SizedBox(height: 2),
+                          Text(
+                            '${video.title} · ${hasWatchedAny ? "continue de onde parou" : "comece a assistir"}',
+                            maxLines: 1,
+                            overflow: TextOverflow.ellipsis,
+                            style: const TextStyle(
+                              fontSize: 12,
+                              fontWeight: FontWeight.w600,
+                              color: Colors.black54,
+                            ),
+                          ),
+                        ],
+                      ),
+                    ),
+                    const Icon(
+                      Icons.chevron_right_rounded,
+                      color: Color(0xFF2F9E94),
+                      size: 24,
                     ),
                   ],
                 ),
               ),
             ),
-            Padding(
-              padding: const EdgeInsets.fromLTRB(18, 14, 14, 14),
-              child: Row(
-                children: [
-                  Container(
-                    width: 38,
-                    height: 38,
-                    decoration: BoxDecoration(
-                      color: const Color(0xFF2F9E94).withValues(alpha: 0.12),
-                      borderRadius: BorderRadius.circular(12),
-                    ),
-                    child: const Icon(
-                      Icons.video_library_rounded,
-                      color: Color(0xFF2F9E94),
-                      size: 20,
-                    ),
-                  ),
-                  const SizedBox(width: 12),
-                  const Expanded(
-                    child: Column(
-                      crossAxisAlignment: CrossAxisAlignment.start,
-                      children: [
-                        Text(
-                          'Vídeos Educativos',
-                          style: TextStyle(
-                            fontWeight: FontWeight.w900,
-                            fontSize: 15,
-                            color: Color(0xFFFF55A7),
-                          ),
-                        ),
-                        SizedBox(height: 2),
-                        Text(
-                          'Aprenda mais sobre saúde oral',
-                          style: TextStyle(
-                            fontSize: 12,
-                            fontWeight: FontWeight.w600,
-                            color: Colors.black54,
-                          ),
-                        ),
-                      ],
-                    ),
-                  ),
-                  const Icon(
-                    Icons.chevron_right_rounded,
+          ),
+          const Divider(height: 1),
+          TapBounce(
+            scale: 0.98,
+            child: InkWell(
+              borderRadius: const BorderRadius.vertical(
+                bottom: Radius.circular(18),
+              ),
+              onTap: onViewAll,
+              child: const Padding(
+                padding: EdgeInsets.symmetric(vertical: 10),
+                child: Text(
+                  'Ver todos os episódios',
+                  textAlign: TextAlign.center,
+                  style: TextStyle(
+                    fontSize: 12.5,
+                    fontWeight: FontWeight.w800,
                     color: Color(0xFF2F9E94),
-                    size: 24,
                   ),
-                ],
+                ),
               ),
             ),
-          ],
-        ),
+          ),
+        ],
       ),
     );
   }
@@ -1281,6 +1595,75 @@ class _PerfilTabState extends State<_PerfilTab> {
     }
   }
 
+  Future<void> _editWeeklyGoal(
+    BuildContext context, {
+    required String scopeId,
+    required String childName,
+  }) async {
+    final current = await BrushingPrefs.getWeeklyGoal(scopeId);
+    if (!context.mounted) return;
+    final controller = TextEditingController(text: current.toString());
+
+    final saved = await showDialog<int>(
+      context: context,
+      builder: (ctx) {
+        return AlertDialog(
+          backgroundColor: const Color(0xFFFFE6F1),
+          shape: RoundedRectangleBorder(
+            borderRadius: BorderRadius.circular(20),
+          ),
+          title: Text(
+            'Meta semanal de $childName',
+            style: const TextStyle(
+              fontWeight: FontWeight.w900,
+              color: Color(0xFFFF55A7),
+            ),
+          ),
+          content: TextField(
+            controller: controller,
+            keyboardType: TextInputType.number,
+            autofocus: true,
+            decoration: const InputDecoration(
+              labelText: 'Escovagens por semana',
+              helperText: 'Entre 1 e 21 (até 3 por dia)',
+            ),
+          ),
+          actions: [
+            TextButton(
+              onPressed: () => Navigator.of(ctx).pop(),
+              child: const Text('Cancelar'),
+            ),
+            ClipRRect(
+              borderRadius: BorderRadius.circular(999),
+              child: DecoratedBox(
+                decoration: const BoxDecoration(gradient: kGreenButtonGradient),
+                child: FilledButton(
+                  style: FilledButton.styleFrom(
+                    backgroundColor: Colors.transparent,
+                    foregroundColor: Colors.white,
+                    shape: const StadiumBorder(),
+                  ),
+                  onPressed: () {
+                    final value = int.tryParse(controller.text.trim());
+                    if (value == null || value < 1 || value > 21) return;
+                    Navigator.of(ctx).pop(value);
+                  },
+                  child: const Text('Guardar'),
+                ),
+              ),
+            ),
+          ],
+        );
+      },
+    );
+
+    if (saved == null) return;
+    await BrushingPrefs.setWeeklyGoal(scopeId, saved);
+    if (!context.mounted) return;
+    context.findAncestorStateOfType<_LoggedHomeScreenState>()?.refreshStats();
+    setState(() {});
+  }
+
   Future<void> _addAnotherChild(BuildContext context, String uid) async {
     if (_addingChild) return;
     final messenger = ScaffoldMessenger.of(context);
@@ -1609,7 +1992,7 @@ class _PerfilTabState extends State<_PerfilTab> {
                     final c = entry.value;
                     final childId = (c['id'] ?? '').toString().trim();
                     final childName = (c['name'] ?? '').toString().trim();
-                    final childAge = c['age'];
+                    final childAge = _childAge(c);
                     final childGender = (c['gender'] ?? '').toString().trim();
                     final scopeId = '${uid}_$childId';
 
@@ -1713,7 +2096,19 @@ class _PerfilTabState extends State<_PerfilTab> {
                                       );
                                     },
                                   ),
-                                  const SizedBox(width: 6),
+                                  IconButton(
+                                    onPressed: () => _editWeeklyGoal(
+                                      context,
+                                      scopeId: scopeId,
+                                      childName: title,
+                                    ),
+                                    icon: const Icon(
+                                      Icons.edit_outlined,
+                                      color: Color(0xFF2F9E94),
+                                    ),
+                                    tooltip: 'Meta semanal de escovagens',
+                                    visualDensity: VisualDensity.compact,
+                                  ),
                                   IconButton(
                                     onPressed: () => _confirmDeleteChild(
                                       context,
@@ -1805,21 +2200,45 @@ class _AddChildSheet extends StatefulWidget {
 class _AddChildSheetState extends State<_AddChildSheet> {
   final _formKey = GlobalKey<FormState>();
   final _nameController = TextEditingController();
-  final _ageController = TextEditingController();
+  DateTime? _birthDate;
   String? _gender;
+  String? _birthDateError;
 
   @override
   void dispose() {
     _nameController.dispose();
-    _ageController.dispose();
     super.dispose();
   }
 
+  Future<void> _pickBirthDate() async {
+    final now = DateTime.now();
+    final picked = await showDatePicker(
+      context: context,
+      initialDate: _birthDate ?? DateTime(now.year - 5, now.month, now.day),
+      firstDate: DateTime(now.year - 17, now.month, now.day),
+      lastDate: DateTime(now.year - 1, now.month, now.day),
+      helpText: 'Data de nascimento',
+      cancelText: 'Cancelar',
+      confirmText: 'Confirmar',
+    );
+    if (picked == null) return;
+    setState(() {
+      _birthDate = picked;
+      _birthDateError = null;
+    });
+  }
+
   void _submit() {
-    if (!(_formKey.currentState?.validate() ?? false)) return;
+    final formOk = _formKey.currentState?.validate() ?? false;
+    setState(() {
+      _birthDateError = _birthDate == null
+          ? 'Informe a data de nascimento'
+          : null;
+    });
+    if (!formOk || _birthDate == null) return;
     Navigator.of(context).pop({
       'name': _nameController.text.trim(),
-      'age': int.parse(_ageController.text.trim()),
+      'birth_date': _birthDate!.toIso8601String().split('T').first,
       'gender': (_gender ?? '').trim(),
     });
   }
@@ -1872,25 +2291,31 @@ class _AddChildSheetState extends State<_AddChildSheet> {
                         return null;
                       },
                     ),
-                    TextFormField(
-                      controller: _ageController,
-                      keyboardType: TextInputType.number,
-                      textInputAction: TextInputAction.next,
-                      inputFormatters: [
-                        FilteringTextInputFormatter.digitsOnly,
-                        LengthLimitingTextInputFormatter(2),
-                      ],
-                      decoration: const InputDecoration(labelText: 'Idade'),
-                      validator: (v) {
-                        final raw = (v ?? '').trim();
-                        if (raw.isEmpty) return 'Informe a idade';
-                        final age = int.tryParse(raw);
-                        if (age == null) return 'Idade inválida';
-                        if (age < 1 || age > 17) {
-                          return 'Idade deve ser entre 1 e 17 anos';
-                        }
-                        return null;
-                      },
+                    InkWell(
+                      borderRadius: BorderRadius.circular(8),
+                      onTap: _pickBirthDate,
+                      child: InputDecorator(
+                        decoration: InputDecoration(
+                          labelText: 'Data de nascimento',
+                          errorText: _birthDateError,
+                          suffixIcon: const Icon(
+                            Icons.calendar_today_rounded,
+                            size: 18,
+                          ),
+                        ),
+                        child: Text(
+                          _birthDate == null
+                              ? 'Selecione a data'
+                              : '${_birthDate!.day.toString().padLeft(2, '0')}/'
+                                    '${_birthDate!.month.toString().padLeft(2, '0')}/'
+                                    '${_birthDate!.year}',
+                          style: _birthDate == null
+                              ? TextStyle(
+                                  color: Colors.black.withValues(alpha: 0.4),
+                                )
+                              : null,
+                        ),
+                      ),
                     ),
                     DropdownButtonFormField<String>(
                       initialValue: _gender,
diff --git a/lib/quiz/quiz1.dart b/lib/quiz/quiz1.dart
index a9eaaa1..d6b068b 100644
--- a/lib/quiz/quiz1.dart
+++ b/lib/quiz/quiz1.dart
@@ -14,6 +14,8 @@ class Quiz1Screen extends StatelessWidget {
   Widget build(BuildContext context) {
     return QuizQuestionScreen(
       title: 'Quiz 1/25',
+      category: 'Avaliação facial',
+      categoryIcon: Icons.face_rounded,
       question: 'O rosto do seu filho/a se parece com o desta imagem?',
       questionImagePaths: const ['assets/mockup_images/2.jpeg'],
       suggestedYoutubeId: '', // TODO: colar o ID do YouTube do Episódio 1
@@ -53,6 +55,8 @@ class Quiz2Screen extends StatelessWidget {
   Widget build(BuildContext context) {
     return QuizQuestionScreen(
       title: 'Quiz 2/25',
+      category: 'Avaliação facial',
+      categoryIcon: Icons.sentiment_neutral_rounded,
       question:
           'A boca do seu filho/a fica habitualmente na posição desta imagem (entreaberta)?',
       questionImagePaths: const ['assets/mockup_images/4.jpeg'],
@@ -93,6 +97,8 @@ class Quiz3Screen extends StatelessWidget {
   Widget build(BuildContext context) {
     return QuizQuestionScreen(
       title: 'Quiz 3/25',
+      category: 'Avaliação facial',
+      categoryIcon: Icons.visibility_rounded,
       question: 'O seu filho/a tem olheiras semelhantes às desta imagem?',
       questionImagePaths: const ['assets/mockup_images/8.jpeg'],
       suggestedYoutubeId: '', // TODO: colar o ID do YouTube do Episódio 3
@@ -132,6 +138,8 @@ class Quiz4Screen extends StatelessWidget {
   Widget build(BuildContext context) {
     return QuizQuestionScreen(
       title: 'Quiz 4/25',
+      category: 'Avaliação facial',
+      categoryIcon: Icons.face_rounded,
       question:
           'Com a boca fechada, o queixo do seu filho/a se parece com o desta imagem?',
       questionImagePaths: const ['assets/mockup_images/6.jpeg'],
@@ -172,6 +180,10 @@ class Quiz5Screen extends StatelessWidget {
   Widget build(BuildContext context) {
     return QuizQuestionScreen(
       title: 'Quiz 5/25',
+      category: 'Contagem de dentes',
+      categoryIcon: Icons.numbers_rounded,
+      fallbackIcon: Icons.numbers_rounded,
+      fallbackColor: const Color(0xFF2F9E94),
       question: 'Quantos dentes tem o seu filho/a em cima na boca?',
       answers: const [],
       currentScore: currentScore,
@@ -195,6 +207,10 @@ class Quiz6Screen extends StatelessWidget {
   Widget build(BuildContext context) {
     return QuizQuestionScreen(
       title: 'Quiz 6/25',
+      category: 'Contagem de dentes',
+      categoryIcon: Icons.numbers_rounded,
+      fallbackIcon: Icons.numbers_rounded,
+      fallbackColor: const Color(0xFF2F9E94),
       question: 'Quantos dentes tem o seu filho/a em baixo na boca?',
       answers: const [],
       currentScore: currentScore,
@@ -218,6 +234,8 @@ class Quiz7Screen extends StatelessWidget {
   Widget build(BuildContext context) {
     return QuizQuestionScreen(
       title: 'Quiz 7/25',
+      category: 'Avaliação facial',
+      categoryIcon: Icons.sentiment_neutral_rounded,
       question: 'A boca do seu filho/a se parece com a desta imagem?',
       questionImagePaths: const ['assets/mockup_images/14.jpeg'],
       suggestedYoutubeId: '', // TODO: colar o ID do YouTube do Episódio 5
@@ -257,6 +275,8 @@ class Quiz8Screen extends StatelessWidget {
   Widget build(BuildContext context) {
     return QuizQuestionScreen(
       title: 'Quiz 8/25',
+      category: 'Avaliação facial',
+      categoryIcon: Icons.record_voice_over_rounded,
       question:
           'O frénulo (freio) da língua do seu filho/a se parece com o desta imagem?',
       questionImagePaths: const ['assets/mockup_images/17.png'],
@@ -297,6 +317,10 @@ class Quiz9Screen extends StatelessWidget {
   Widget build(BuildContext context) {
     return QuizQuestionScreen(
       title: 'Quiz 9/25',
+      category: 'Saúde respiratória',
+      categoryIcon: Icons.medical_information_rounded,
+      fallbackIcon: Icons.medical_information_rounded,
+      fallbackColor: const Color(0xFFFF55A7),
       question: 'O seu filho/a tem problemas respiratórios diagnosticados?',
       answers: const [
         QuizAnswer(
@@ -311,6 +335,12 @@ class Quiz9Screen extends StatelessWidget {
           weight: 1,
           value: 'nao',
         ),
+        QuizAnswer(
+          title: 'Não sei',
+          description: 'Não tenho a certeza',
+          weight: 1,
+          value: 'nao_sei',
+        ),
       ],
       currentScore: currentScore,
       nextRoute: (context, nextScore) => MaterialPageRoute<void>(
@@ -333,6 +363,10 @@ class Quiz10Screen extends StatelessWidget {
   Widget build(BuildContext context) {
     return QuizQuestionScreen(
       title: 'Quiz 10/25',
+      category: 'Respiração',
+      categoryIcon: Icons.air_rounded,
+      fallbackIcon: Icons.air_rounded,
+      fallbackColor: const Color(0xFF2F9E94),
       question: 'O seu filho/a respira habitualmente pela boca?',
       answers: const [
         QuizAnswer(
@@ -347,6 +381,12 @@ class Quiz10Screen extends StatelessWidget {
           weight: 1,
           value: 'nao',
         ),
+        QuizAnswer(
+          title: 'Não sei',
+          description: 'Não tenho a certeza',
+          weight: 1,
+          value: 'nao_sei',
+        ),
       ],
       currentScore: currentScore,
       nextRoute: (context, nextScore) => MaterialPageRoute<void>(
@@ -369,6 +409,10 @@ class Quiz11Screen extends StatelessWidget {
   Widget build(BuildContext context) {
     return QuizQuestionScreen(
       title: 'Quiz 11/25',
+      category: 'Sono',
+      categoryIcon: Icons.bedtime_rounded,
+      fallbackIcon: Icons.bedtime_rounded,
+      fallbackColor: const Color(0xFF8E7CC3),
       question: 'O seu filho/a ressona habitualmente durante a noite?',
       answers: const [
         QuizAnswer(
@@ -383,6 +427,12 @@ class Quiz11Screen extends StatelessWidget {
           weight: 1,
           value: 'nao',
         ),
+        QuizAnswer(
+          title: 'Não sei',
+          description: 'Não tenho a certeza',
+          weight: 1,
+          value: 'nao_sei',
+        ),
       ],
       currentScore: currentScore,
       nextRoute: (context, nextScore) => MaterialPageRoute<void>(
@@ -405,6 +455,10 @@ class Quiz12Screen extends StatelessWidget {
   Widget build(BuildContext context) {
     return QuizQuestionScreen(
       title: 'Quiz 12/25',
+      category: 'Respiração',
+      categoryIcon: Icons.sick_rounded,
+      fallbackIcon: Icons.sick_rounded,
+      fallbackColor: const Color(0xFFFF55A7),
       question: 'O seu filho/a sente habitualmente o nariz "tapado"?',
       answers: const [
         QuizAnswer(
@@ -419,6 +473,12 @@ class Quiz12Screen extends StatelessWidget {
           weight: 1,
           value: 'nao',
         ),
+        QuizAnswer(
+          title: 'Não sei',
+          description: 'Não tenho a certeza',
+          weight: 1,
+          value: 'nao_sei',
+        ),
       ],
       currentScore: currentScore,
       nextRoute: (context, nextScore) => MaterialPageRoute<void>(
@@ -441,6 +501,10 @@ class Quiz13Screen extends StatelessWidget {
   Widget build(BuildContext context) {
     return QuizQuestionScreen(
       title: 'Quiz 13/25',
+      category: 'Sono',
+      categoryIcon: Icons.nights_stay_rounded,
+      fallbackIcon: Icons.nights_stay_rounded,
+      fallbackColor: const Color(0xFF8E7CC3),
       question:
           'Durante o sono, o seu filho/a tem habitualmente interrupções da respiração?',
       answers: const [
@@ -457,6 +521,12 @@ class Quiz13Screen extends StatelessWidget {
           weight: 1,
           value: 'nao',
         ),
+        QuizAnswer(
+          title: 'Não sei',
+          description: 'Não tenho a certeza',
+          weight: 1,
+          value: 'nao_sei',
+        ),
       ],
       currentScore: currentScore,
       nextRoute: (context, nextScore) => MaterialPageRoute<void>(
@@ -479,6 +549,10 @@ class Quiz14Screen extends StatelessWidget {
   Widget build(BuildContext context) {
     return QuizQuestionScreen(
       title: 'Quiz 14/25',
+      category: 'Hábitos noturnos',
+      categoryIcon: Icons.nights_stay_rounded,
+      fallbackIcon: Icons.nights_stay_rounded,
+      fallbackColor: const Color(0xFF2F9E94),
       question: 'O seu filho/a range os dentes com frequência?',
       answers: const [
         QuizAnswer(
@@ -493,6 +567,12 @@ class Quiz14Screen extends StatelessWidget {
           weight: 1,
           value: 'nao',
         ),
+        QuizAnswer(
+          title: 'Não sei',
+          description: 'Não tenho a certeza',
+          weight: 1,
+          value: 'nao_sei',
+        ),
       ],
       currentScore: currentScore,
       nextRoute: (context, nextScore) => MaterialPageRoute<void>(
@@ -515,6 +595,10 @@ class Quiz15Screen extends StatelessWidget {
   Widget build(BuildContext context) {
     return QuizQuestionScreen(
       title: 'Quiz 15/25',
+      category: 'Saúde geral',
+      categoryIcon: Icons.local_florist_rounded,
+      fallbackIcon: Icons.local_florist_rounded,
+      fallbackColor: const Color(0xFFFF55A7),
       question: 'O seu filho/a habitualmente tem alergias sazonais?',
       answers: const [
         QuizAnswer(
@@ -529,6 +613,12 @@ class Quiz15Screen extends StatelessWidget {
           weight: 1,
           value: 'nao',
         ),
+        QuizAnswer(
+          title: 'Não sei',
+          description: 'Não tenho a certeza',
+          weight: 1,
+          value: 'nao_sei',
+        ),
       ],
       currentScore: currentScore,
       nextRoute: (context, nextScore) => MaterialPageRoute<void>(
@@ -551,6 +641,10 @@ class Quiz16Screen extends StatelessWidget {
   Widget build(BuildContext context) {
     return QuizQuestionScreen(
       title: 'Quiz 16/25',
+      category: 'Sono',
+      categoryIcon: Icons.water_drop_rounded,
+      fallbackIcon: Icons.water_drop_rounded,
+      fallbackColor: const Color(0xFF8E7CC3),
       question: 'O seu filho/a acorda com saliva seca na cara ou na almofada?',
       answers: const [
         QuizAnswer(
@@ -565,6 +659,12 @@ class Quiz16Screen extends StatelessWidget {
           weight: 1,
           value: 'nao',
         ),
+        QuizAnswer(
+          title: 'Não sei',
+          description: 'Não tenho a certeza',
+          weight: 1,
+          value: 'nao_sei',
+        ),
       ],
       currentScore: currentScore,
       nextRoute: (context, nextScore) => MaterialPageRoute<void>(
@@ -587,6 +687,10 @@ class Quiz17Screen extends StatelessWidget {
   Widget build(BuildContext context) {
     return QuizQuestionScreen(
       title: 'Quiz 17/25',
+      category: 'Saúde geral',
+      categoryIcon: Icons.hearing_rounded,
+      fallbackIcon: Icons.hearing_rounded,
+      fallbackColor: const Color(0xFF2F9E94),
       question: 'O seu filho/a teve ou costuma ter com frequência otites?',
       answers: const [
         QuizAnswer(
@@ -601,6 +705,12 @@ class Quiz17Screen extends StatelessWidget {
           weight: 1,
           value: 'nao',
         ),
+        QuizAnswer(
+          title: 'Não sei',
+          description: 'Não tenho a certeza',
+          weight: 1,
+          value: 'nao_sei',
+        ),
       ],
       currentScore: currentScore,
       nextRoute: (context, nextScore) => MaterialPageRoute<void>(
@@ -623,6 +733,10 @@ class Quiz18Screen extends StatelessWidget {
   Widget build(BuildContext context) {
     return QuizQuestionScreen(
       title: 'Quiz 18/25',
+      category: 'Saúde geral',
+      categoryIcon: Icons.healing_rounded,
+      fallbackIcon: Icons.healing_rounded,
+      fallbackColor: const Color(0xFFFF55A7),
       question: 'O seu filho/a teve ou costuma ter com frequência amigdalites?',
       answers: const [
         QuizAnswer(
@@ -637,6 +751,12 @@ class Quiz18Screen extends StatelessWidget {
           weight: 1,
           value: 'nao',
         ),
+        QuizAnswer(
+          title: 'Não sei',
+          description: 'Não tenho a certeza',
+          weight: 1,
+          value: 'nao_sei',
+        ),
       ],
       currentScore: currentScore,
       nextRoute: (context, nextScore) => MaterialPageRoute<void>(
@@ -659,6 +779,10 @@ class Quiz19Screen extends StatelessWidget {
   Widget build(BuildContext context) {
     return QuizQuestionScreen(
       title: 'Quiz 19/25',
+      category: 'Saúde respiratória',
+      categoryIcon: Icons.air_rounded,
+      fallbackIcon: Icons.air_rounded,
+      fallbackColor: const Color(0xFF2F9E94),
       question:
           'O seu filho/a teve ou costuma ter com frequência bronquiolites?',
       answers: const [
@@ -674,6 +798,12 @@ class Quiz19Screen extends StatelessWidget {
           weight: 1,
           value: 'nao',
         ),
+        QuizAnswer(
+          title: 'Não sei',
+          description: 'Não tenho a certeza',
+          weight: 1,
+          value: 'nao_sei',
+        ),
       ],
       currentScore: currentScore,
       nextRoute: (context, nextScore) => MaterialPageRoute<void>(
@@ -696,6 +826,10 @@ class Quiz20Screen extends StatelessWidget {
   Widget build(BuildContext context) {
     return QuizQuestionScreen(
       title: 'Quiz 20/25',
+      category: 'Hábitos alimentares',
+      categoryIcon: Icons.restaurant_rounded,
+      fallbackIcon: Icons.restaurant_rounded,
+      fallbackColor: const Color(0xFFFF55A7),
       question: 'O seu filho/a apresenta dificuldades a mastigar?',
       answers: const [
         QuizAnswer(
@@ -710,6 +844,12 @@ class Quiz20Screen extends StatelessWidget {
           weight: 1,
           value: 'nao',
         ),
+        QuizAnswer(
+          title: 'Não sei',
+          description: 'Não tenho a certeza',
+          weight: 1,
+          value: 'nao_sei',
+        ),
       ],
       currentScore: currentScore,
       nextRoute: (context, nextScore) => MaterialPageRoute<void>(
@@ -732,6 +872,10 @@ class Quiz21Screen extends StatelessWidget {
   Widget build(BuildContext context) {
     return QuizQuestionScreen(
       title: 'Quiz 21/25',
+      category: 'Hábitos alimentares',
+      categoryIcon: Icons.schedule_rounded,
+      fallbackIcon: Icons.schedule_rounded,
+      fallbackColor: const Color(0xFF2F9E94),
       question: 'O seu filho/a habitualmente é lento a comer?',
       answers: const [
         QuizAnswer(
@@ -746,6 +890,12 @@ class Quiz21Screen extends StatelessWidget {
           weight: 1,
           value: 'nao',
         ),
+        QuizAnswer(
+          title: 'Não sei',
+          description: 'Não tenho a certeza',
+          weight: 1,
+          value: 'nao_sei',
+        ),
       ],
       currentScore: currentScore,
       nextRoute: (context, nextScore) => MaterialPageRoute<void>(
@@ -768,6 +918,10 @@ class Quiz22Screen extends StatelessWidget {
   Widget build(BuildContext context) {
     return QuizQuestionScreen(
       title: 'Quiz 22/25',
+      category: 'Hábitos alimentares',
+      categoryIcon: Icons.restaurant_menu_rounded,
+      fallbackIcon: Icons.restaurant_menu_rounded,
+      fallbackColor: const Color(0xFF8E7CC3),
       question: 'O seu filho/a habitualmente prefere comer alimentos moles?',
       answers: const [
         QuizAnswer(
@@ -782,6 +936,12 @@ class Quiz22Screen extends StatelessWidget {
           weight: 1,
           value: 'nao',
         ),
+        QuizAnswer(
+          title: 'Não sei',
+          description: 'Não tenho a certeza',
+          weight: 1,
+          value: 'nao_sei',
+        ),
       ],
       currentScore: currentScore,
       nextRoute: (context, nextScore) => MaterialPageRoute<void>(
@@ -804,6 +964,10 @@ class Quiz23Screen extends StatelessWidget {
   Widget build(BuildContext context) {
     return QuizQuestionScreen(
       title: 'Quiz 23/25',
+      category: 'Hábitos alimentares',
+      categoryIcon: Icons.local_drink_rounded,
+      fallbackIcon: Icons.local_drink_rounded,
+      fallbackColor: const Color(0xFFFF55A7),
       question: 'Em bebé apenas foi alimentado por biberão?',
       answers: const [
         QuizAnswer(
@@ -818,6 +982,12 @@ class Quiz23Screen extends StatelessWidget {
           weight: 1,
           value: 'nao',
         ),
+        QuizAnswer(
+          title: 'Não sei',
+          description: 'Não tenho a certeza',
+          weight: 1,
+          value: 'nao_sei',
+        ),
       ],
       currentScore: currentScore,
       nextRoute: (context, nextScore) => MaterialPageRoute<void>(
@@ -840,6 +1010,10 @@ class Quiz24Screen extends StatelessWidget {
   Widget build(BuildContext context) {
     return QuizQuestionScreen(
       title: 'Quiz 24/25',
+      category: 'Hábitos orais',
+      categoryIcon: Icons.child_care_rounded,
+      fallbackIcon: Icons.child_care_rounded,
+      fallbackColor: const Color(0xFF2F9E94),
       question: 'O seu filho/a usa ou usou chupeta com frequência?',
       answers: const [
         QuizAnswer(
@@ -854,6 +1028,12 @@ class Quiz24Screen extends StatelessWidget {
           weight: 1,
           value: 'nao',
         ),
+        QuizAnswer(
+          title: 'Não sei',
+          description: 'Não tenho a certeza',
+          weight: 1,
+          value: 'nao_sei',
+        ),
       ],
       currentScore: currentScore,
       nextRoute: (context, nextScore) => MaterialPageRoute<void>(
@@ -876,6 +1056,10 @@ class Quiz25Screen extends StatelessWidget {
   Widget build(BuildContext context) {
     return QuizQuestionScreen(
       title: 'Quiz 25/25',
+      category: 'Hábitos orais',
+      categoryIcon: Icons.back_hand_rounded,
+      fallbackIcon: Icons.back_hand_rounded,
+      fallbackColor: const Color(0xFF8E7CC3),
       question: 'O seu filho/a chucha ou já chuchou o dedo com frequência?',
       answers: const [
         QuizAnswer(
@@ -890,6 +1074,12 @@ class Quiz25Screen extends StatelessWidget {
           weight: 1,
           value: 'nao',
         ),
+        QuizAnswer(
+          title: 'Não sei',
+          description: 'Não tenho a certeza',
+          weight: 1,
+          value: 'nao_sei',
+        ),
       ],
       currentScore: currentScore,
       nextRoute: (context, nextScore) => MaterialPageRoute<void>(
diff --git a/lib/quiz/quiz_question_screen.dart b/lib/quiz/quiz_question_screen.dart
index 85a5fb0..c218058 100644
--- a/lib/quiz/quiz_question_screen.dart
+++ b/lib/quiz/quiz_question_screen.dart
@@ -45,6 +45,10 @@ class QuizQuestionScreen extends StatefulWidget {
     this.suggestedVideoPath,
     this.suggestedYoutubeId,
     this.suggestedVideoTitle,
+    this.category,
+    this.categoryIcon,
+    this.fallbackIcon,
+    this.fallbackColor,
   });
 
   final String title;
@@ -61,6 +65,16 @@ class QuizQuestionScreen extends StatefulWidget {
   final String? suggestedYoutubeId;
   final String? suggestedVideoTitle;
 
+  /// Rótulo pequeno do tema da pergunta (ex.: "Avaliação facial"), mostrado
+  /// num badge acima da imagem/pergunta.
+  final String? category;
+  final IconData? categoryIcon;
+
+  /// Usados só quando [questionImagePaths] está vazio: em vez de o bloco de
+  /// imagem colapsar, mostra-se um bloco colorido com este ícone.
+  final IconData? fallbackIcon;
+  final Color? fallbackColor;
+
   @override
   State<QuizQuestionScreen> createState() => _QuizQuestionScreenState();
 }
@@ -74,8 +88,24 @@ class _QuizQuestionScreenState extends State<QuizQuestionScreen> {
   int? _selected;
   TextEditingController? _numberController;
   int? _numberValue;
+  bool _numberDontKnow = false;
   bool _navigating = false;
 
+  /// O título ainda chega como texto livre ("Quiz 3/25") em vez de números
+  /// separados — extraímos daqui em vez de acrescentar mais dois parâmetros
+  /// obrigatórios a cada uma das 25 telas de pergunta.
+  static final RegExp _progressPattern = RegExp(r'(\d+)\s*/\s*(\d+)');
+
+  int get _questionIndex {
+    final match = _progressPattern.firstMatch(widget.title);
+    return int.tryParse(match?.group(1) ?? '') ?? 1;
+  }
+
+  int get _totalQuestions {
+    final match = _progressPattern.firstMatch(widget.title);
+    return int.tryParse(match?.group(2) ?? '') ?? 1;
+  }
+
   @override
   void initState() {
     super.initState();
@@ -96,10 +126,11 @@ class _QuizQuestionScreenState extends State<QuizQuestionScreen> {
     bool canProceed = _selected != null && !_navigating;
     if (widget.answerType == QuizAnswerType.number) {
       canProceed =
-          _numberValue != null &&
-          _numberValue! >= 0 &&
-          _numberValue! <= _maxTeethCount &&
-          !_navigating;
+          !_navigating &&
+          (_numberDontKnow ||
+              (_numberValue != null &&
+                  _numberValue! >= 0 &&
+                  _numberValue! <= _maxTeethCount));
     }
 
     final bool hasSuggestedVideo =
@@ -146,49 +177,103 @@ class _QuizQuestionScreenState extends State<QuizQuestionScreen> {
             child: Column(
               crossAxisAlignment: CrossAxisAlignment.stretch,
               children: [
-                SizedBox(
-                  height: 44,
-                  child: Stack(
-                    alignment: Alignment.center,
+                Padding(
+                  padding: const EdgeInsets.fromLTRB(16, 8, 16, 4),
+                  child: Row(
                     children: [
-                      Text(
-                        widget.title,
-                        textAlign: TextAlign.center,
-                        style: TextStyle(
-                          color: Colors.black.withValues(alpha: 0.55),
-                          fontWeight: FontWeight.w800,
-                        ),
-                      ),
                       if (widget.showBackButton)
-                        Positioned(
-                          left: 4,
-                          child: TapBounce(
-                            scale: 0.9,
-                            child: Material(
-                              color: Colors.white.withValues(alpha: 0.85),
-                              shape: const CircleBorder(),
-                              elevation: 4,
-                              shadowColor: Colors.black.withValues(
-                                alpha: 0.15,
-                              ),
-                              child: InkWell(
-                                customBorder: const CircleBorder(),
-                                onTap: () => Navigator.of(context).maybePop(),
-                                child: const Padding(
-                                  padding: EdgeInsets.all(10),
-                                  child: Icon(
-                                    Icons.arrow_back_rounded,
-                                    color: Color(0xFF2F9E94),
-                                    size: 22,
-                                  ),
+                        TapBounce(
+                          scale: 0.9,
+                          child: Material(
+                            color: Colors.white.withValues(alpha: 0.85),
+                            shape: const CircleBorder(),
+                            elevation: 4,
+                            shadowColor: Colors.black.withValues(alpha: 0.15),
+                            child: InkWell(
+                              customBorder: const CircleBorder(),
+                              onTap: () => Navigator.of(context).maybePop(),
+                              child: const Padding(
+                                padding: EdgeInsets.all(9),
+                                child: Icon(
+                                  Icons.arrow_back_rounded,
+                                  color: Color(0xFF2F9E94),
+                                  size: 20,
                                 ),
                               ),
                             ),
                           ),
+                        )
+                      else
+                        const SizedBox(width: 38),
+                      const SizedBox(width: 12),
+                      Expanded(
+                        child: ClipRRect(
+                          borderRadius: BorderRadius.circular(999),
+                          child: LinearProgressIndicator(
+                            value: (_questionIndex / _totalQuestions).clamp(
+                              0.0,
+                              1.0,
+                            ),
+                            minHeight: 8,
+                            backgroundColor: const Color(
+                              0xFFFF55A7,
+                            ).withValues(alpha: 0.15),
+                            valueColor: const AlwaysStoppedAnimation<Color>(
+                              Color(0xFFFF55A7),
+                            ),
+                          ),
                         ),
+                      ),
+                      const SizedBox(width: 10),
+                      Text(
+                        '$_questionIndex/$_totalQuestions',
+                        style: TextStyle(
+                          color: Colors.black.withValues(alpha: 0.55),
+                          fontWeight: FontWeight.w800,
+                          fontSize: 13,
+                        ),
+                      ),
                     ],
                   ),
                 ),
+                if ((widget.category ?? '').isNotEmpty)
+                  Padding(
+                    padding: const EdgeInsets.fromLTRB(16, 8, 16, 0),
+                    child: Align(
+                      alignment: Alignment.centerLeft,
+                      child: Container(
+                        padding: const EdgeInsets.symmetric(
+                          horizontal: 12,
+                          vertical: 6,
+                        ),
+                        decoration: BoxDecoration(
+                          color: Colors.white.withValues(alpha: 0.75),
+                          borderRadius: BorderRadius.circular(999),
+                        ),
+                        child: Row(
+                          mainAxisSize: MainAxisSize.min,
+                          children: [
+                            if (widget.categoryIcon != null) ...[
+                              Icon(
+                                widget.categoryIcon,
+                                size: 15,
+                                color: const Color(0xFF2F9E94),
+                              ),
+                              const SizedBox(width: 6),
+                            ],
+                            Text(
+                              widget.category!,
+                              style: const TextStyle(
+                                fontWeight: FontWeight.w800,
+                                fontSize: 12,
+                                color: Color(0xFF2F9E94),
+                              ),
+                            ),
+                          ],
+                        ),
+                      ),
+                    ),
+                  ),
                 Expanded(
                   child: LayoutBuilder(
                     builder: (context, constraints) {
@@ -224,16 +309,21 @@ class _QuizQuestionScreenState extends State<QuizQuestionScreen> {
                                           crossAxisAlignment:
                                               CrossAxisAlignment.stretch,
                                           children: [
-                                            if (widget
-                                                .questionImagePaths
-                                                .isNotEmpty) ...[
-                                              const SizedBox(height: 6),
-                                              _QuestionReferenceImages(
-                                                paths:
-                                                    widget.questionImagePaths,
-                                              ),
-                                              const SizedBox(height: 10),
-                                            ],
+                                            const SizedBox(height: 6),
+                                            widget.questionImagePaths.isNotEmpty
+                                                ? _QuestionReferenceImages(
+                                                    paths: widget
+                                                        .questionImagePaths,
+                                                  )
+                                                : _FallbackIconBlock(
+                                                    icon:
+                                                        widget.fallbackIcon ??
+                                                        Icons.info_outline_rounded,
+                                                    color:
+                                                        widget.fallbackColor ??
+                                                        const Color(0xFF2F9E94),
+                                                  ),
+                                            const SizedBox(height: 10),
                                             if (hasSuggestedVideo) ...[
                                               TextButton.icon(
                                                 onPressed: () =>
@@ -324,15 +414,38 @@ class _QuizQuestionScreenState extends State<QuizQuestionScreen> {
                                                     delay: Duration(
                                                       milliseconds: 60 * i,
                                                     ),
-                                                    child: _QuizAnswerTile(
-                                                      answer:
-                                                          widget.answers[i],
-                                                      selected:
-                                                          _selected == i,
-                                                      onTap: () => setState(
-                                                        () => _selected = i,
-                                                      ),
-                                                    ),
+                                                    child:
+                                                        widget.answerType ==
+                                                                QuizAnswerType
+                                                                    .yesNo &&
+                                                            widget
+                                                                    .answers[i]
+                                                                    .imagePath ==
+                                                                null
+                                                        ? _QuizAnswerPill(
+                                                            answer: widget
+                                                                .answers[i],
+                                                            selected:
+                                                                _selected == i,
+                                                            onTap: () =>
+                                                                setState(
+                                                                  () =>
+                                                                      _selected =
+                                                                          i,
+                                                                ),
+                                                          )
+                                                        : _QuizAnswerTile(
+                                                            answer: widget
+                                                                .answers[i],
+                                                            selected:
+                                                                _selected == i,
+                                                            onTap: () =>
+                                                                setState(
+                                                                  () =>
+                                                                      _selected =
+                                                                          i,
+                                                                ),
+                                                          ),
                                                   ),
                                                 ],
                                               ],
@@ -357,7 +470,7 @@ class _QuizQuestionScreenState extends State<QuizQuestionScreen> {
                                                     FilledButton.styleFrom(
                                                       backgroundColor:
                                                           const Color(
-                                                            0xFF2F9E94,
+                                                            0xFFFF55A7,
                                                           ),
                                                       foregroundColor:
                                                           Colors.white,
@@ -426,8 +539,10 @@ class _QuizQuestionScreenState extends State<QuizQuestionScreen> {
                                                           nextScore =
                                                               widget
                                                                   .currentScore +
-                                                              (_numberValue ??
-                                                                  0);
+                                                              (_numberDontKnow
+                                                                  ? 0
+                                                                  : (_numberValue ??
+                                                                        0));
                                                         } else {
                                                           final picked = widget
                                                               .answers[_selected!];
@@ -474,44 +589,21 @@ class _QuizQuestionScreenState extends State<QuizQuestionScreen> {
                                               ),
                                             ),
                                           ),
-                                          const SizedBox(height: 10),
-                                          TapBounce(
-                                            child: SizedBox(
-                                              width: size.width * 0.62,
-                                              height: 42,
-                                              child: OutlinedButton(
-                                                style:
-                                                    OutlinedButton.styleFrom(
-                                                      foregroundColor:
-                                                          const Color(
-                                                            0xFF2F9E94,
-                                                          ),
-                                                      side: const BorderSide(
-                                                        color: Color(
-                                                          0xFF2F9E94,
-                                                        ),
-                                                        width: 1.3,
-                                                      ),
-                                                      shape:
-                                                          const StadiumBorder(),
-                                                      textStyle:
-                                                          const TextStyle(
-                                                            fontWeight:
-                                                                FontWeight
-                                                                    .w900,
-                                                          ),
-                                                    ),
-                                                onPressed: () =>
-                                                    Navigator.of(
-                                                      context,
-                                                    ).popUntil(
-                                                      (route) =>
-                                                          route.isFirst,
-                                                    ),
-                                                child: const Text(
-                                                  'Voltar para homepage',
-                                                ),
+                                          const SizedBox(height: 6),
+                                          TextButton(
+                                            style: TextButton.styleFrom(
+                                              foregroundColor: const Color(
+                                                0xFF2F9E94,
                                               ),
+                                              textStyle: const TextStyle(
+                                                fontWeight: FontWeight.w800,
+                                              ),
+                                            ),
+                                            onPressed: () => Navigator.of(
+                                              context,
+                                            ).popUntil((route) => route.isFirst),
+                                            child: const Text(
+                                              'Voltar para homepage',
                                             ),
                                           ),
                                         ],
@@ -540,54 +632,62 @@ class _QuizQuestionScreenState extends State<QuizQuestionScreen> {
       child: Column(
         mainAxisAlignment: MainAxisAlignment.center,
         children: [
-          Container(
-            width: 150,
-            decoration: BoxDecoration(
-              color: Colors.white.withValues(alpha: 0.70),
-              borderRadius: BorderRadius.circular(16),
-              border: Border.all(
-                color: Colors.black.withValues(alpha: 0.12),
-                width: 1.0,
-              ),
-              boxShadow: [
-                BoxShadow(
-                  color: Colors.black.withValues(alpha: 0.06),
-                  blurRadius: 18,
-                  offset: const Offset(0, 10),
+          Opacity(
+            opacity: _numberDontKnow ? 0.4 : 1,
+            child: IgnorePointer(
+              ignoring: _numberDontKnow,
+              child: Container(
+                width: 150,
+                decoration: BoxDecoration(
+                  color: Colors.white.withValues(alpha: 0.70),
+                  borderRadius: BorderRadius.circular(16),
+                  border: Border.all(
+                    color: Colors.black.withValues(alpha: 0.12),
+                    width: 1.0,
+                  ),
+                  boxShadow: [
+                    BoxShadow(
+                      color: Colors.black.withValues(alpha: 0.06),
+                      blurRadius: 18,
+                      offset: const Offset(0, 10),
+                    ),
+                  ],
                 ),
-              ],
-            ),
-            child: TextField(
-              controller: _numberController,
-              keyboardType: TextInputType.number,
-              textAlign: TextAlign.center,
-              inputFormatters: [
-                FilteringTextInputFormatter.digitsOnly,
-                LengthLimitingTextInputFormatter(2),
-              ],
-              style: const TextStyle(
-                fontSize: 24,
-                fontWeight: FontWeight.w900,
-                color: Color(0xFF2F9E94),
-              ),
-              decoration: const InputDecoration(
-                border: InputBorder.none,
-                hintText: '0',
-                hintStyle: TextStyle(
-                  fontSize: 24,
-                  fontWeight: FontWeight.w900,
-                  color: Colors.grey,
+                child: TextField(
+                  controller: _numberController,
+                  keyboardType: TextInputType.number,
+                  textAlign: TextAlign.center,
+                  inputFormatters: [
+                    FilteringTextInputFormatter.digitsOnly,
+                    LengthLimitingTextInputFormatter(2),
+                  ],
+                  style: const TextStyle(
+                    fontSize: 24,
+                    fontWeight: FontWeight.w900,
+                    color: Color(0xFF2F9E94),
+                  ),
+                  decoration: const InputDecoration(
+                    border: InputBorder.none,
+                    hintText: '0',
+                    hintStyle: TextStyle(
+                      fontSize: 24,
+                      fontWeight: FontWeight.w900,
+                      color: Colors.grey,
+                    ),
+                    contentPadding: EdgeInsets.symmetric(vertical: 20),
+                  ),
+                  onChanged: (value) {
+                    setState(() {
+                      _numberValue = int.tryParse(value);
+                    });
+                  },
                 ),
-                contentPadding: EdgeInsets.symmetric(vertical: 20),
               ),
-              onChanged: (value) {
-                setState(() {
-                  _numberValue = int.tryParse(value);
-                });
-              },
             ),
           ),
-          if (_numberValue != null && _numberValue! > _maxTeethCount) ...[
+          if (_numberValue != null &&
+              _numberValue! > _maxTeethCount &&
+              !_numberDontKnow) ...[
             const SizedBox(height: 10),
             Text(
               'Um número tão alto assim não é possível.\nO máximo é $_maxTeethCount.',
@@ -599,6 +699,62 @@ class _QuizQuestionScreenState extends State<QuizQuestionScreen> {
               ),
             ),
           ],
+          const SizedBox(height: 14),
+          TapBounce(
+            scale: 0.97,
+            child: InkWell(
+              borderRadius: BorderRadius.circular(999),
+              onTap: () {
+                setState(() {
+                  _numberDontKnow = !_numberDontKnow;
+                  if (_numberDontKnow) {
+                    _numberController?.clear();
+                    _numberValue = null;
+                  }
+                });
+              },
+              child: Container(
+                padding: const EdgeInsets.symmetric(
+                  horizontal: 14,
+                  vertical: 8,
+                ),
+                decoration: BoxDecoration(
+                  color: _numberDontKnow
+                      ? const Color(0xFF2F9E94)
+                      : Colors.white.withValues(alpha: 0.70),
+                  borderRadius: BorderRadius.circular(999),
+                  border: Border.all(
+                    color: _numberDontKnow
+                        ? const Color(0xFF2F9E94)
+                        : Colors.black.withValues(alpha: 0.12),
+                  ),
+                ),
+                child: Row(
+                  mainAxisSize: MainAxisSize.min,
+                  children: [
+                    Icon(
+                      Icons.help_outline_rounded,
+                      size: 16,
+                      color: _numberDontKnow
+                          ? Colors.white
+                          : Colors.black.withValues(alpha: 0.55),
+                    ),
+                    const SizedBox(width: 6),
+                    Text(
+                      'Não sei',
+                      style: TextStyle(
+                        fontWeight: FontWeight.w800,
+                        fontSize: 13,
+                        color: _numberDontKnow
+                            ? Colors.white
+                            : Colors.black.withValues(alpha: 0.55),
+                      ),
+                    ),
+                  ],
+                ),
+              ),
+            ),
+          ),
         ],
       ),
     );
@@ -745,11 +901,38 @@ class _QuestionReferenceImages extends StatelessWidget {
         borderRadius: BorderRadius.circular(14),
         child: AspectRatio(
           aspectRatio: 16 / 9,
-          child: Image.asset(
-            paths.first,
-            fit: BoxFit.cover,
-            cacheWidth: 800,
-            errorBuilder: (context, error, stackTrace) => _placeholder(),
+          child: Stack(
+            fit: StackFit.expand,
+            children: [
+              Image.asset(
+                paths.first,
+                fit: BoxFit.cover,
+                cacheWidth: 800,
+                errorBuilder: (context, error, stackTrace) => _placeholder(),
+              ),
+              Positioned(
+                left: 8,
+                bottom: 8,
+                child: Container(
+                  padding: const EdgeInsets.symmetric(
+                    horizontal: 8,
+                    vertical: 4,
+                  ),
+                  decoration: BoxDecoration(
+                    color: Colors.black.withValues(alpha: 0.55),
+                    borderRadius: BorderRadius.circular(999),
+                  ),
+                  child: const Text(
+                    'Imagem de referência',
+                    style: TextStyle(
+                      color: Colors.white,
+                      fontWeight: FontWeight.w700,
+                      fontSize: 10.5,
+                    ),
+                  ),
+                ),
+              ),
+            ],
           ),
         ),
       );
@@ -787,3 +970,150 @@ class _QuestionReferenceImages extends StatelessWidget {
     );
   }
 }
+
+/// Mostrado quando a pergunta não tem imagem de referência — em vez de o
+/// bloco colapsar (como acontecia antes), mostra um pequeno ícone colorido
+/// relevante ao tema, sem ocupar a largura toda (esse destaque é reservado
+/// para as perguntas que realmente têm imagem).
+class _FallbackIconBlock extends StatelessWidget {
+  const _FallbackIconBlock({required this.icon, required this.color});
+
+  final IconData icon;
+  final Color color;
+
+  @override
+  Widget build(BuildContext context) {
+    return Center(
+      child: Container(
+        width: 64,
+        height: 64,
+        decoration: BoxDecoration(
+          color: color,
+          borderRadius: BorderRadius.circular(18),
+        ),
+        child: Icon(icon, size: 32, color: Colors.white),
+      ),
+    );
+  }
+}
+
+/// Resposta Sim/Não em formato de pílula horizontal: círculo colorido +
+/// texto + indicador circular à direita que preenche quando selecionado.
+class _QuizAnswerPill extends StatelessWidget {
+  const _QuizAnswerPill({
+    required this.answer,
+    required this.selected,
+    required this.onTap,
+  });
+
+  final QuizAnswer answer;
+  final bool selected;
+  final VoidCallback onTap;
+
+  bool get _isYes => (answer.value ?? '').trim().toLowerCase() == 'sim';
+  bool get _isNo => (answer.value ?? '').trim().toLowerCase() == 'nao';
+
+  @override
+  Widget build(BuildContext context) {
+    final accent = _isYes
+        ? const Color(0xFF2F9E94)
+        : _isNo
+        ? const Color(0xFFFF55A7)
+        : Colors.black.withValues(alpha: 0.35);
+    final borderColor = selected
+        ? const Color(0xFF2F9E94)
+        : Colors.black.withValues(alpha: 0.10);
+
+    return TapBounce(
+      scale: 0.97,
+      child: AnimatedContainer(
+        duration: const Duration(milliseconds: 220),
+        curve: Curves.easeOutCubic,
+        decoration: BoxDecoration(
+          color: selected
+              ? Colors.white.withValues(alpha: 0.92)
+              : Colors.white.withValues(alpha: 0.70),
+          borderRadius: BorderRadius.circular(999),
+          border: Border.all(color: borderColor, width: selected ? 1.4 : 1.0),
+          boxShadow: [
+            BoxShadow(
+              color: Colors.black.withValues(alpha: 0.06),
+              blurRadius: 14,
+              offset: const Offset(0, 8),
+            ),
+          ],
+        ),
+        child: Material(
+          color: Colors.transparent,
+          child: InkWell(
+            borderRadius: BorderRadius.circular(999),
+            onTap: onTap,
+            splashFactory: InkSparkle.splashFactory,
+            child: Padding(
+              padding: const EdgeInsets.symmetric(
+                horizontal: 14,
+                vertical: 10,
+              ),
+              child: Row(
+                children: [
+                  Container(
+                    width: 28,
+                    height: 28,
+                    decoration: BoxDecoration(
+                      color: accent,
+                      shape: BoxShape.circle,
+                    ),
+                    child: Icon(
+                      _isYes
+                          ? Icons.check_rounded
+                          : _isNo
+                          ? Icons.close_rounded
+                          : Icons.help_outline_rounded,
+                      color: Colors.white,
+                      size: 17,
+                    ),
+                  ),
+                  const SizedBox(width: 12),
+                  Expanded(
+                    child: Text(
+                      answer.title,
+                      style: const TextStyle(
+                        fontWeight: FontWeight.w800,
+                        fontSize: 15,
+                        color: Color(0xFF2F9E94),
+                      ),
+                    ),
+                  ),
+                  AnimatedContainer(
+                    duration: const Duration(milliseconds: 220),
+                    width: 22,
+                    height: 22,
+                    decoration: BoxDecoration(
+                      shape: BoxShape.circle,
+                      color: selected
+                          ? const Color(0xFF2F9E94)
+                          : Colors.transparent,
+                      border: Border.all(
+                        color: selected
+                            ? const Color(0xFF2F9E94)
+                            : Colors.black.withValues(alpha: 0.25),
+                        width: 1.6,
+                      ),
+                    ),
+                    child: selected
+                        ? const Icon(
+                            Icons.check_rounded,
+                            size: 14,
+                            color: Colors.white,
+                          )
+                        : null,
+                  ),
+                ],
+              ),
+            ),
+          ),
+        ),
+      ),
+    );
+  }
+}
diff --git a/lib/screens/settings_screen.dart b/lib/screens/settings_screen.dart
index d804901..3e5648e 100644
--- a/lib/screens/settings_screen.dart
+++ b/lib/screens/settings_screen.dart
@@ -33,34 +33,29 @@ class _SettingsBodyState extends State<SettingsBody> {
       context,
       title: 'Apagar dados da conta',
       message:
-          'Isso remove permanentemente seu perfil, crianças cadastradas e '
-          'fotos. Essa ação não pode ser desfeita. Deseja continuar?',
+          'Isso remove permanentemente a sua conta, perfil, crianças '
+          'cadastradas e fotos — incluindo o login, permitindo criar uma '
+          'nova conta com o mesmo e-mail depois. Essa ação não pode ser '
+          'desfeita. Deseja continuar?',
       confirmLabel: 'Apagar',
       confirmColor: _accentPink,
     );
 
     if (confirmed != true) return;
 
-    final uid = supabase.auth.currentUser?.id;
-    if (uid == null) return;
-
     setState(() => _deletingAccount = true);
     try {
-      await supabase.from('children').delete().eq('owner_id', uid);
-
-      // O Supabase não avisa quando uma política de RLS bloqueia silenciosamente
-      // uma operação: sem `.select()` para devolver as linhas apagadas não há
-      // como distinguir "0 linhas existiam" de "sem permissão para apagar".
-      final deletedProfile = await supabase
-          .from('profiles')
-          .delete()
-          .eq('id', uid)
-          .select('id');
-
-      if (deletedProfile.isEmpty) {
+      // A remoção de `auth.users` exige a service role key, que o app nunca
+      // deve carregar — por isso corre numa Edge Function (server-side); ver
+      // supabase/functions/delete-account. Sem isto, apagar só as linhas de
+      // `profiles`/`children` deixava o e-mail "ocupado" no Supabase Auth,
+      // impedindo criar uma nova conta com o mesmo e-mail.
+      final response = await supabase.functions.invoke('delete-account');
+      final data = response.data;
+      final errorMessage = (data is Map) ? data['error']?.toString() : null;
+      if (response.status != 200 || errorMessage != null) {
         throw StateError(
-          'A base de dados recusou apagar o perfil (sem política de RLS '
-          'para DELETE). Os dados não foram removidos.',
+          errorMessage ?? 'Erro ao apagar conta (status ${response.status})',
         );
       }
 
diff --git a/lib/screens/video_screen.dart b/lib/screens/video_screen.dart
index 0a837c7..0933207 100644
--- a/lib/screens/video_screen.dart
+++ b/lib/screens/video_screen.dart
@@ -7,6 +7,7 @@ import 'package:lottie/lottie.dart';
 import 'package:video_player/video_player.dart';
 import 'package:youtube_player_flutter/youtube_player_flutter.dart';
 
+import '../watched_videos_prefs.dart';
 import '../widgets/app_gradients.dart';
 import '../widgets/entrance.dart';
 import '../widgets/tap_bounce.dart';
@@ -97,19 +98,19 @@ final List<VideoData> videoList = [
     id: 11,
     title: 'Episódio 11',
     description: 'Aprenda sobre saúde bucal neste episódio',
-    videoPath: 'assets/videos/episodio_11.mp4',
+    youtubeId: '6sYoBUjks_I',
   ),
   VideoData(
     id: 12,
     title: 'Episódio 12',
     description: 'Aprenda sobre saúde bucal neste episódio',
-    videoPath: 'assets/videos/episodio_12.mp4',
+    youtubeId: 'eznKrErQbHo',
   ),
   VideoData(
     id: 13,
     title: 'Episódio 13',
     description: 'Aprenda sobre saúde bucal neste episódio',
-    videoPath: 'assets/videos/episodio_13.mp4',
+    youtubeId: 'VO9CNqHRdeM',
   ),
 ];
 
@@ -156,7 +157,20 @@ void _evictAllVideoControllers() {
   }
 }
 
-Future<void> showVideoPlayerDialog(BuildContext context, VideoData video) {
+/// Regista o episódio como assistido (localmente, por criança). Chamado
+/// quando um player deteta que o vídeo chegou ao fim — sem [scopeId] (nenhuma
+/// criança selecionada) não há onde guardar, por isso não faz nada.
+void markVideoWatched(String? scopeId, int videoId) {
+  final scope = (scopeId ?? '').trim();
+  if (scope.isEmpty) return;
+  WatchedVideosPrefs.markWatched(scope, videoId);
+}
+
+Future<void> showVideoPlayerDialog(
+  BuildContext context,
+  VideoData video, {
+  String? scopeId,
+}) {
   if (video.youtubeId != null) {
     if (video.youtubeId!.isEmpty) {
       ScaffoldMessenger.of(
@@ -165,17 +179,23 @@ Future<void> showVideoPlayerDialog(BuildContext context, VideoData video) {
       return Future.value();
     }
     return Navigator.of(context).push<void>(
-      MaterialPageRoute(builder: (context) => _YoutubePlayerPage(video: video)),
+      MaterialPageRoute(
+        builder: (context) => _YoutubePlayerPage(video: video, scopeId: scopeId),
+      ),
     );
   }
   return showDialog<void>(
     context: context,
-    builder: (context) => _VideoPlayerDialog(video: video),
+    builder: (context) => _VideoPlayerDialog(video: video, scopeId: scopeId),
   );
 }
 
 class VideoScreen extends StatefulWidget {
-  const VideoScreen({super.key});
+  const VideoScreen({super.key, this.scopeId});
+
+  /// Identifica a criança selecionada (`'${uid}_${childId}'`), usado para
+  /// guardar localmente quais episódios ela já assistiu até ao fim.
+  final String? scopeId;
 
   static const Color _teal = Color(0xFF2F9E94);
   static const Color _accentPink = Color(0xFFFF55A7);
@@ -329,6 +349,7 @@ class _VideoScreenState extends State<VideoScreen> {
                                 ),
                                 child: _VideoButton(
                                   video: _filteredVideos[index],
+                                  scopeId: widget.scopeId,
                                 ),
                               );
                             },
@@ -509,9 +530,10 @@ class _VideoThumbnailState extends State<VideoThumbnail> {
 }
 
 class _VideoButton extends StatelessWidget {
-  const _VideoButton({required this.video});
+  const _VideoButton({required this.video, this.scopeId});
 
   final VideoData video;
+  final String? scopeId;
 
   void _showVideoPlayer(BuildContext context, VideoData video) {
     if (video.youtubeId == null) {
@@ -519,7 +541,7 @@ class _VideoButton extends StatelessWidget {
       // em dialog, que precisa dos seus próprios decoders de vídeo/áudio.
       _evictAllVideoControllers();
     }
-    showVideoPlayerDialog(context, video);
+    showVideoPlayerDialog(context, video, scopeId: scopeId);
   }
 
   @override
@@ -588,9 +610,10 @@ class _VideoButton extends StatelessWidget {
 /// a proporção 16:9 do YouTube e sobrar espaço vazio quando o ecrã tem uma
 /// proporção mais larga que 16:9 (ex.: a maioria dos telemóveis atuais).
 class _YoutubePlayerPage extends StatefulWidget {
-  const _YoutubePlayerPage({required this.video});
+  const _YoutubePlayerPage({required this.video, this.scopeId});
 
   final VideoData video;
+  final String? scopeId;
 
   @override
   State<_YoutubePlayerPage> createState() => _YoutubePlayerPageState();
@@ -599,6 +622,7 @@ class _YoutubePlayerPage extends StatefulWidget {
 class _YoutubePlayerPageState extends State<_YoutubePlayerPage>
     with WidgetsBindingObserver {
   late final YoutubePlayerController _controller;
+  bool _markedWatched = false;
 
   @override
   void initState() {
@@ -607,9 +631,18 @@ class _YoutubePlayerPageState extends State<_YoutubePlayerPage>
       initialVideoId: widget.video.youtubeId!,
       flags: const YoutubePlayerFlags(autoPlay: true, mute: false),
     );
+    _controller.addListener(_onControllerValueChanged);
     WidgetsBinding.instance.addObserver(this);
   }
 
+  void _onControllerValueChanged() {
+    if (_markedWatched) return;
+    if (_controller.value.playerState == PlayerState.ended) {
+      _markedWatched = true;
+      markVideoWatched(widget.scopeId, widget.video.id);
+    }
+  }
+
   @override
   void didChangeMetrics() {
     final isLandscape =
@@ -628,6 +661,7 @@ class _YoutubePlayerPageState extends State<_YoutubePlayerPage>
   void dispose() {
     WidgetsBinding.instance.removeObserver(this);
     SystemChrome.restoreSystemUIOverlays();
+    _controller.removeListener(_onControllerValueChanged);
     _controller.dispose();
     super.dispose();
   }
@@ -716,9 +750,10 @@ class _CoverYoutubePlayer extends StatelessWidget {
 }
 
 class _VideoPlayerDialog extends StatefulWidget {
-  const _VideoPlayerDialog({required this.video});
+  const _VideoPlayerDialog({required this.video, this.scopeId});
 
   final VideoData video;
+  final String? scopeId;
 
   @override
   State<_VideoPlayerDialog> createState() => _VideoPlayerDialogState();
@@ -727,6 +762,7 @@ class _VideoPlayerDialog extends StatefulWidget {
 class _VideoPlayerDialogState extends State<_VideoPlayerDialog> {
   late VideoPlayerController _controller;
   bool _isInitialized = false;
+  bool _markedWatched = false;
 
   @override
   void initState() {
@@ -738,6 +774,7 @@ class _VideoPlayerDialogState extends State<_VideoPlayerDialog> {
     _controller = VideoPlayerController.asset(widget.video.videoPath!);
     try {
       await _controller.initialize();
+      _controller.addListener(_onControllerValueChanged);
       if (mounted) {
         setState(() {
           _isInitialized = true;
@@ -755,8 +792,19 @@ class _VideoPlayerDialogState extends State<_VideoPlayerDialog> {
     }
   }
 
+  void _onControllerValueChanged() {
+    if (_markedWatched) return;
+    final value = _controller.value;
+    if (!value.isInitialized || value.duration == Duration.zero) return;
+    if (value.position >= value.duration - const Duration(milliseconds: 300)) {
+      _markedWatched = true;
+      markVideoWatched(widget.scopeId, widget.video.id);
+    }
+  }
+
   @override
   void dispose() {
+    _controller.removeListener(_onControllerValueChanged);
     _controller.dispose();
     super.dispose();
   }
@@ -802,6 +850,8 @@ class _VideoPlayerDialogState extends State<_VideoPlayerDialog> {
                   _VideoControls(
                     controller: _controller,
                     videoPath: widget.video.videoPath!,
+                    videoId: widget.video.id,
+                    scopeId: widget.scopeId,
                     onClose: () => Navigator.of(context).pop(),
                   ),
               ],
@@ -817,11 +867,15 @@ class _VideoControls extends StatefulWidget {
   const _VideoControls({
     required this.controller,
     required this.videoPath,
+    required this.videoId,
     required this.onClose,
+    this.scopeId,
   });
 
   final VideoPlayerController controller;
   final String videoPath;
+  final int videoId;
+  final String? scopeId;
   final VoidCallback onClose;
 
   @override
@@ -926,6 +980,8 @@ class _VideoControlsState extends State<_VideoControls> {
                           MaterialPageRoute(
                             builder: (context) => _FullscreenVideoPlayer(
                               videoPath: widget.videoPath,
+                              videoId: widget.videoId,
+                              scopeId: widget.scopeId,
                             ),
                             fullscreenDialog: true,
                           ),
@@ -949,9 +1005,15 @@ class _VideoControlsState extends State<_VideoControls> {
 }
 
 class _FullscreenVideoPlayer extends StatefulWidget {
-  const _FullscreenVideoPlayer({required this.videoPath});
+  const _FullscreenVideoPlayer({
+    required this.videoPath,
+    required this.videoId,
+    this.scopeId,
+  });
 
   final String videoPath;
+  final int videoId;
+  final String? scopeId;
 
   @override
   State<_FullscreenVideoPlayer> createState() => _FullscreenVideoPlayerState();
@@ -960,6 +1022,7 @@ class _FullscreenVideoPlayer extends StatefulWidget {
 class _FullscreenVideoPlayerState extends State<_FullscreenVideoPlayer> {
   late VideoPlayerController _controller;
   bool _isInitialized = false;
+  bool _markedWatched = false;
 
   @override
   void initState() {
@@ -994,6 +1057,16 @@ class _FullscreenVideoPlayerState extends State<_FullscreenVideoPlayer> {
   }
 
   void _onControllerUpdate() {
+    if (!_markedWatched) {
+      final value = _controller.value;
+      if (value.isInitialized &&
+          value.duration != Duration.zero &&
+          value.position >=
+              value.duration - const Duration(milliseconds: 300)) {
+        _markedWatched = true;
+        markVideoWatched(widget.scopeId, widget.videoId);
+      }
+    }
     if (mounted) {
       setState(() {});
     }
diff --git a/lib/watched_videos_prefs.dart b/lib/watched_videos_prefs.dart
new file mode 100644
index 0000000..151e7dc
--- /dev/null
+++ b/lib/watched_videos_prefs.dart
@@ -0,0 +1,36 @@
+import 'package:shared_preferences/shared_preferences.dart';
+
+/// Registo local (por criança) de episódios assistidos até ao fim.
+/// Segue o mesmo padrão de [QuizPrefs]: chaves com sufixo `_scopeId`,
+/// guardadas via [SharedPreferences], sem qualquer chamada ao Supabase.
+class WatchedVideosPrefs {
+  static const String _kWatchedKey = 'watched_videos';
+
+  static String _key(String scopeId) => '${_kWatchedKey}_$scopeId';
+
+  static Future<void> markWatched(String scopeId, int videoId) async {
+    final prefs = await SharedPreferences.getInstance();
+    final key = _key(scopeId);
+    final ids = (prefs.getStringList(key) ?? <String>[]).toSet();
+    ids.add(videoId.toString());
+    await prefs.setStringList(key, ids.toList());
+  }
+
+  static Future<bool> isWatched(String scopeId, int videoId) async {
+    final prefs = await SharedPreferences.getInstance();
+    final ids = prefs.getStringList(_key(scopeId)) ?? const [];
+    return ids.contains(videoId.toString());
+  }
+
+  static Future<int> getWatchedCount(String scopeId) async {
+    final prefs = await SharedPreferences.getInstance();
+    final ids = prefs.getStringList(_key(scopeId)) ?? const [];
+    return ids.length;
+  }
+
+  static Future<Set<int>> getWatchedIds(String scopeId) async {
+    final prefs = await SharedPreferences.getInstance();
+    final ids = prefs.getStringList(_key(scopeId)) ?? const [];
+    return ids.map((e) => int.tryParse(e) ?? -1).where((e) => e >= 0).toSet();
+  }
+}
diff --git a/lib/widgets/app_gradients.dart b/lib/widgets/app_gradients.dart
index c5e0029..40351d9 100644
--- a/lib/widgets/app_gradients.dart
+++ b/lib/widgets/app_gradients.dart
@@ -14,3 +14,10 @@ const LinearGradient kGreenButtonGradient = LinearGradient(
   end: Alignment.centerRight,
   colors: [Color(0xFF2F9E94), Color(0xFF6BB79F)],
 );
+
+/// Gradiente rosa vivo do card do quiz na Home.
+const LinearGradient kPinkHeroGradient = LinearGradient(
+  begin: Alignment.topLeft,
+  end: Alignment.bottomRight,
+  colors: [Color(0xFFFF55A7), Color(0xFFE83E93)],
+);
diff --git a/pubspec.yaml b/pubspec.yaml
index f3177ff..c4c15be 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -71,9 +71,6 @@ flutter:
     - lottie/
     - assets/Check-theeth.png
     - assets/mockup_images/
-    - assets/videos/episodio_11.mp4
-    - assets/videos/episodio_12.mp4
-    - assets/videos/episodio_13.mp4
 
 flutter_launcher_icons:
   android: true
diff --git a/supabase/.temp/linked-project.json b/supabase/.temp/linked-project.json
new file mode 100644
index 0000000..bed07b7
--- /dev/null
+++ b/supabase/.temp/linked-project.json
@@ -0,0 +1 @@
+{"ref":"mannjismlhlwaqqqnvog","name":"Check_Teeth_Kids","organization_id":"huurggiiridujjbkbayo","organization_slug":"huurggiiridujjbkbayo"}
\ No newline at end of file
diff --git a/supabase/functions/delete-account/index.ts b/supabase/functions/delete-account/index.ts
new file mode 100644
index 0000000..2c0d081
--- /dev/null
+++ b/supabase/functions/delete-account/index.ts
@@ -0,0 +1,65 @@
+// Edge Function: apaga TODA a conta do utilizador autenticado — linhas em
+// `children`/`profiles` e o próprio registo em `auth.users`. Isto é o que
+// falta para permitir criar uma nova conta com o mesmo e-mail depois de
+// "Apagar dados da conta": o app (client) nunca teve a service role key para
+// poder chamar `auth.admin.deleteUser`, por isso essa etapa faltava e o
+// e-mail continuava "ocupado" no Supabase Auth.
+//
+// Deploy (uma vez, com a Supabase CLI já autenticada):
+//   supabase functions deploy delete-account --project-ref mannjismlhlwaqqqnvog
+//
+// SUPABASE_URL e SUPABASE_SERVICE_ROLE_KEY já ficam disponíveis
+// automaticamente dentro de toda Edge Function — não é preciso configurar
+// nenhum secret manualmente.
+
+import { createClient } from 'https://esm.sh/@supabase/supabase-js@2';
+
+const SUPABASE_URL = Deno.env.get('SUPABASE_URL')!;
+const SERVICE_ROLE_KEY = Deno.env.get('SUPABASE_SERVICE_ROLE_KEY')!;
+
+Deno.serve(async (req) => {
+  if (req.method !== 'POST') {
+    return new Response(JSON.stringify({ error: 'Method not allowed' }), {
+      status: 405,
+      headers: { 'Content-Type': 'application/json' },
+    });
+  }
+
+  const authHeader = req.headers.get('Authorization') ?? '';
+  const jwt = authHeader.replace('Bearer ', '').trim();
+  if (!jwt) {
+    return new Response(JSON.stringify({ error: 'Sessão em falta' }), {
+      status: 401,
+      headers: { 'Content-Type': 'application/json' },
+    });
+  }
+
+  const admin = createClient(SUPABASE_URL, SERVICE_ROLE_KEY);
+
+  // Valida o JWT do chamador e identifica o uid — nunca confiar num uid vindo
+  // do corpo do pedido, sob pena de qualquer pessoa poder apagar outra conta.
+  const { data: userData, error: userError } = await admin.auth.getUser(jwt);
+  if (userError || !userData?.user) {
+    return new Response(JSON.stringify({ error: 'Sessão inválida' }), {
+      status: 401,
+      headers: { 'Content-Type': 'application/json' },
+    });
+  }
+  const uid = userData.user.id;
+
+  await admin.from('children').delete().eq('owner_id', uid);
+  await admin.from('profiles').delete().eq('id', uid);
+
+  const { error: deleteUserError } = await admin.auth.admin.deleteUser(uid);
+  if (deleteUserError) {
+    return new Response(JSON.stringify({ error: deleteUserError.message }), {
+      status: 500,
+      headers: { 'Content-Type': 'application/json' },
+    });
+  }
+
+  return new Response(JSON.stringify({ ok: true }), {
+    status: 200,
+    headers: { 'Content-Type': 'application/json' },
+  });
+});