remove windows

.gitea/workflows/release.yml

@@ -10,7 +10,7 @@ env:
   JAVA_VERSION: "17"
   ANDROID_SDK_ROOT: "${{ github.workspace }}/android-sdk"
   FLUTTER_VERSION: "3.38.5"
-  BUILD_WINDOWS: "false" # set to "true" when you actually want Windows builds
+  BUILD_WINDOWS: "false" # Windows build disabled (no runner available)
   GITEA_BASE_URL: https://git.tgj.services
 
 jobs:

lib/app.dart

@@ -27,8 +27,13 @@ class App extends StatelessWidget {
         ChangeNotifierProvider<AuthService>(
           create: (context) => AuthService(api: context.read<ApiService>()),
         ),
-        ChangeNotifierProvider<DataService>(
+        ChangeNotifierProxyProvider<AuthService, DataService>(
           create: (context) => DataService(api: context.read<ApiService>()),
+          update: (context, auth, data) {
+            data ??= DataService(api: context.read<ApiService>());
+            data.handleAuthChanged(auth.userId);
+            return data;
+          },
         ),
       ],
       child: const MyApp(),

lib/components/dashboard/latest_loco_changes_panel.dart

@@ -51,7 +51,7 @@ class _LatestLocoChangesPanelState extends State<LatestLocoChangesPanel> {
                 const SizedBox(width: 8),
                 Expanded(
                   child: Text(
-                    'Latest loco changes',
+                    'Latest Loco Changes',
                     style: textTheme.titleMedium?.copyWith(
                       fontWeight: FontWeight.w800,
                     ),
@@ -286,7 +286,7 @@ class _LatestLocoChangesPanelState extends State<LatestLocoChangesPanel> {
           ],
         );
       },
-      separatorBuilder: (_, __) => const Divider(height: 8),
+      separatorBuilder: (_, index) => const Divider(height: 8),
       itemCount: grouped.length,
     );
 

lib/components/legs/leg_card.dart

@@ -224,6 +224,7 @@ class _LegCardState extends State<LegCard> {
     );
     if (confirmed != true) return;
 
+    if (!context.mounted) return;
     final data = context.read<DataService>();
     final messenger = ScaffoldMessenger.of(context);
     try {

lib/components/login/login.dart

@@ -17,7 +17,9 @@ class _LoginScreenState extends State<LoginScreen> {
   @override
   void initState() {
     super.initState();
-    WidgetsBinding.instance.addPostFrameCallback((_) => _checkExistingSession());
+    WidgetsBinding.instance.addPostFrameCallback(
+      (_) => _checkExistingSession(),
+    );
   }
 
   Future<void> _checkExistingSession() async {
@@ -71,15 +73,6 @@ class _LoginScreenState extends State<LoginScreen> {
                   ),
                 ),
               ),
-              if (_checkingSession)
-                const Padding(
-                  padding: EdgeInsets.only(top: 12),
-                  child: SizedBox(
-                    height: 24,
-                    width: 24,
-                    child: CircularProgressIndicator(strokeWidth: 2),
-                  ),
-                ),
               const SizedBox(height: 50),
               const LoginPanel(),
               const SizedBox(height: 16),
@@ -95,6 +88,24 @@ class _LoginScreenState extends State<LoginScreen> {
                   );
                 },
               ),
+              if (_checkingSession) ...[
+                const SizedBox(height: 12),
+                Row(
+                  mainAxisAlignment: MainAxisAlignment.center,
+                  children: [
+                    const SizedBox(
+                      height: 24,
+                      width: 24,
+                      child: CircularProgressIndicator(strokeWidth: 2),
+                    ),
+                    const SizedBox(width: 8),
+                    Text(
+                      'Trying to log in',
+                      style: Theme.of(context).textTheme.bodyMedium,
+                    ),
+                  ],
+                ),
+              ],
             ],
           ),
         ),
@@ -193,9 +204,9 @@ class _LoginPanelContentState extends State<LoginPanelContent> {
       setState(() {
         _loggingIn = false;
       });
-      ScaffoldMessenger.of(context).showSnackBar(
-        SnackBar(content: Text('Login failed: $e')),
-      );
+      ScaffoldMessenger.of(
+        context,
+      ).showSnackBar(SnackBar(content: Text('Login failed: $e')));
     }
   }
 
@@ -306,14 +317,16 @@ class _RegisterPanelContentState extends State<RegisterPanelContent> {
       );
       if (!mounted) return;
       ScaffoldMessenger.of(context).showSnackBar(
-        const SnackBar(content: Text('Registration successful. Please log in.')),
+        const SnackBar(
+          content: Text('Registration successful. Please log in.'),
+        ),
       );
       widget.onBack();
     } catch (e) {
       if (!mounted) return;
-      ScaffoldMessenger.of(context).showSnackBar(
-        SnackBar(content: Text('Registration failed: $e')),
-      );
+      ScaffoldMessenger.of(
+        context,
+      ).showSnackBar(SnackBar(content: Text('Registration failed: $e')));
     } finally {
       if (mounted) setState(() => _registering = false);
     }

lib/components/pages/loco_timeline/event_editor.dart

@@ -299,7 +299,6 @@ class _FieldInput extends StatelessWidget {
     final name = field.name.toLowerCase();
     if (name == 'max_speed') {
       final unit = entry.unit ?? 'kph';
-      final isNumber = true;
       return Row(
         children: [
           Expanded(
@@ -307,7 +306,7 @@ class _FieldInput extends StatelessWidget {
               initialValue: value?.toString(),
               onChanged: (val) {
                 final parsed = double.tryParse(val);
-                onChanged(isNumber ? parsed : val, unit: unit);
+                onChanged(parsed, unit: unit);
               },
               decoration: const InputDecoration(
                 border: OutlineInputBorder(),

lib/components/pages/profile.dart

@@ -13,6 +13,10 @@ class ProfilePage extends StatefulWidget {
 
 class _ProfilePageState extends State<ProfilePage> {
   bool _initialised = false;
+  final Map<String, bool> _groupExpanded = {};
+  bool _loadingAwards = false;
+  bool _loadingClassProgress = false;
+  bool _loadingLocoProgress = false;
 
   @override
   void didChangeDependencies() {
@@ -23,7 +27,15 @@ class _ProfilePageState extends State<ProfilePage> {
   }
 
   Future<void> _refreshAwards() {
-    return context.read<DataService>().fetchBadgeAwards();
+    _loadingAwards = false;
+    _loadingClassProgress = false;
+    _loadingLocoProgress = false;
+    final data = context.read<DataService>();
+    return Future.wait([
+      data.fetchBadgeAwards(limit: 20, badgeCode: 'class_clearance'),
+      data.fetchClassClearanceProgress(),
+      data.fetchLocoClearanceProgress(),
+    ]);
   }
 
   @override
@@ -31,6 +43,14 @@ class _ProfilePageState extends State<ProfilePage> {
     final data = context.watch<DataService>();
     final awards = data.badgeAwards;
     final loading = data.isBadgeAwardsLoading;
+    final classProgress = data.classClearanceProgress;
+    final classProgressLoading =
+        data.isClassClearanceProgressLoading || _loadingClassProgress;
+    final locoProgress = data.locoClearanceProgress;
+    final locoProgressLoading =
+        data.isLocoClearanceProgressLoading || _loadingLocoProgress;
+    final hasAnyData =
+        awards.isNotEmpty || classProgress.isNotEmpty || locoProgress.isNotEmpty;
 
     return Scaffold(
       appBar: AppBar(
@@ -52,27 +72,189 @@ class _ProfilePageState extends State<ProfilePage> {
         child: ListView(
           padding: const EdgeInsets.all(16),
           children: [
-            if (loading && awards.isEmpty)
+            if ((loading || classProgressLoading || locoProgressLoading) &&
+                !hasAnyData)
               const Center(
                 child: Padding(
                   padding: EdgeInsets.symmetric(vertical: 24.0),
                   child: CircularProgressIndicator(),
                 ),
               )
-            else if (awards.isEmpty)
+            else if (!hasAnyData)
               const Padding(
                 padding: EdgeInsets.symmetric(vertical: 12.0),
                 child: Text('No badges awarded yet.'),
               )
             else
-              ...awards.map((award) => _buildAwardCard(context, award)),
+              ..._buildGroupedAwards(
+                context,
+                awards,
+                classProgress,
+                locoProgress,
+                classProgressLoading,
+                locoProgressLoading,
+                data.classClearanceHasMore,
+                data.locoClearanceHasMore,
+                data.badgeAwardsHasMore,
+                loading,
+              ),
           ],
         ),
       ),
     );
   }
 
-  Widget _buildAwardCard(BuildContext context, BadgeAward award) {
+  List<Widget> _buildGroupedAwards(
+    BuildContext context,
+    List<BadgeAward> awards,
+    List<ClassClearanceProgress> classProgress,
+    List<LocoClearanceProgress> locoProgress,
+    bool classProgressLoading,
+    bool locoProgressLoading,
+    bool classProgressHasMore,
+    bool locoProgressHasMore,
+    bool badgeAwardsHasMore,
+    bool badgeAwardsLoading,
+  ) {
+    final grouped = _groupAwards(awards);
+    if ((classProgress.isNotEmpty || classProgressLoading) &&
+        !grouped.containsKey('class_clearance')) {
+      grouped['class_clearance'] = [];
+    }
+    if ((locoProgress.isNotEmpty || locoProgressLoading) &&
+        !grouped.containsKey('loco_clearance')) {
+      grouped['loco_clearance'] = [];
+    }
+    final codes = _orderedBadgeCodes(grouped.keys.toList());
+
+    return codes.map((code) {
+      final items = grouped[code]!;
+      final expanded = _groupExpanded[code] ?? true;
+      final title = _formatBadgeName(code);
+      final isClass = code == 'class_clearance';
+      final isLoco = code == 'loco_clearance';
+      final classItems = isClass ? classProgress : <ClassClearanceProgress>[];
+      final locoItems = isLoco ? locoProgress : <LocoClearanceProgress>[];
+      final awardCount = isLoco
+          ? locoItems.where((item) => item.awardedTiers.isNotEmpty).length
+          : items.length;
+      final isLoadingSection = isClass
+          ? (classProgressLoading || badgeAwardsLoading || _loadingAwards)
+          : (isLoco ? locoProgressLoading : false);
+
+      final children = <Widget>[];
+
+      if (isClass && items.isNotEmpty) {
+        children.add(_buildSubheading(context, 'Awarded'));
+        children.addAll(
+          items.map(
+            (award) => Padding(
+              padding:
+                  const EdgeInsets.symmetric(horizontal: 12.0, vertical: 4.0),
+              child: _buildAwardCard(context, award, compact: true),
+            ),
+          ),
+        );
+        if (badgeAwardsHasMore || badgeAwardsLoading || _loadingAwards) {
+          children.add(
+            Padding(
+              padding: const EdgeInsets.only(top: 4.0, bottom: 8.0),
+              child: _buildLoadMoreButton(
+                context,
+                badgeAwardsLoading || _loadingAwards,
+                () => _loadMoreAwards(),
+              ),
+            ),
+          );
+        }
+      } else if (!isClass && !isLoco && items.isNotEmpty) {
+        children.add(_buildSubheading(context, 'Awarded'));
+        children.addAll(
+          items.map(
+            (award) => Padding(
+              padding:
+                  const EdgeInsets.symmetric(horizontal: 12.0, vertical: 4.0),
+              child: _buildAwardCard(context, award, compact: true),
+            ),
+          ),
+        );
+      }
+
+      if (isClass) {
+        children.addAll(
+          _buildClassProgressSection(
+            context,
+            classItems,
+            classProgressLoading,
+            classProgressHasMore,
+          ),
+        );
+      }
+      if (isLoco) {
+        children.addAll(
+          _buildLocoProgressSection(
+            context,
+            locoItems,
+            locoProgressLoading,
+            locoProgressHasMore,
+            showHeading: false,
+          ),
+        );
+      }
+
+      if (children.isEmpty && !isLoadingSection) {
+        children.add(
+          const Padding(
+            padding: EdgeInsets.symmetric(vertical: 6.0),
+            child: Text('No awards'),
+          ),
+        );
+      }
+
+      return Card(
+        margin: const EdgeInsets.symmetric(vertical: 4.0),
+        child: ExpansionTile(
+          key: ValueKey(code),
+          tilePadding: const EdgeInsets.symmetric(horizontal: 12.0),
+          title: Row(
+            children: [
+              Expanded(child: Text(title)),
+              if (isLoadingSection) ...[
+                const SizedBox(width: 8),
+                const SizedBox(
+                  height: 18,
+                  width: 18,
+                  child: CircularProgressIndicator(strokeWidth: 2),
+                ),
+              ],
+              const SizedBox(width: 8),
+              _buildCountChip(context, awardCount),
+            ],
+          ),
+          initiallyExpanded: expanded,
+          onExpansionChanged: (isOpen) {
+            setState(() => _groupExpanded[code] = isOpen);
+          },
+          children: children,
+        ),
+      );
+    }).toList();
+  }
+
+  Map<String, List<BadgeAward>> _groupAwards(List<BadgeAward> awards) {
+    final Map<String, List<BadgeAward>> grouped = {};
+    for (final award in awards) {
+      final code = award.badgeCode.toLowerCase();
+      grouped.putIfAbsent(code, () => []).add(award);
+    }
+    return grouped;
+  }
+
+  Widget _buildAwardCard(
+    BuildContext context,
+    BadgeAward award, {
+    bool compact = false,
+  }) {
     final badgeName = _formatBadgeName(award.badgeCode);
     final tier = award.badgeTier.isNotEmpty
         ? award.badgeTier[0].toUpperCase() + award.badgeTier.substring(1)
@@ -80,46 +262,52 @@ class _ProfilePageState extends State<ProfilePage> {
     final tierIcon = _buildTierIcon(award.badgeTier);
     final scope = _scopeToShow(award);
 
-    return Card(
-      child: Padding(
-        padding: const EdgeInsets.all(12.0),
-        child: Column(
-          crossAxisAlignment: CrossAxisAlignment.start,
+    final content = Column(
+      crossAxisAlignment: CrossAxisAlignment.start,
+      children: [
+        Row(
           children: [
-            Row(
-              children: [
-                if (tierIcon != null) ...[
-                  tierIcon,
-                  const SizedBox(width: 8),
-                ],
-                Expanded(
-                  child: Text(
-                    '$badgeName • $tier',
-                    style: Theme.of(context).textTheme.titleMedium?.copyWith(
-                          fontWeight: FontWeight.w700,
-                        ),
-                  ),
-                ),
-                if (award.awardedAt != null)
-                  Text(
-                    _formatAwardDate(award.awardedAt!),
-                    style: Theme.of(context).textTheme.bodySmall,
-                  ),
-              ],
-            ),
-            if (scope != null && scope.isNotEmpty) ...[
-              const SizedBox(height: 6),
-              Text(
-                scope,
-                style: Theme.of(context).textTheme.bodyMedium,
+            if (tierIcon != null) ...[
+              tierIcon,
+              const SizedBox(width: 8),
+            ],
+            Expanded(
+              child: Text(
+                '$badgeName • $tier',
+                style: Theme.of(context).textTheme.titleMedium?.copyWith(
+                      fontWeight: FontWeight.w700,
+                    ),
+              ),
+            ),
+            if (award.awardedAt != null)
+              Text(
+                _formatAwardDate(award.awardedAt!),
+                style: Theme.of(context).textTheme.bodySmall,
               ),
-            ],
-            if (award.loco != null) ...[
-              const SizedBox(height: 8),
-              _buildLocoInfo(context, award.loco!),
-            ],
           ],
         ),
+        if (scope != null && scope.isNotEmpty) ...[
+          const SizedBox(height: 4),
+          Text(
+            scope,
+            style: Theme.of(context).textTheme.bodyMedium,
+          ),
+        ],
+        if (award.loco != null) ...[
+          const SizedBox(height: 6),
+          _buildLocoInfo(context, award.loco!),
+        ],
+      ],
+    );
+
+    if (compact) {
+      return content;
+    }
+
+    return Card(
+      child: Padding(
+        padding: const EdgeInsets.all(10.0),
+        child: content,
       ),
     );
   }
@@ -169,6 +357,316 @@ class _ProfilePageState extends State<ProfilePage> {
         .join(' ');
   }
 
+  List<String> _orderedBadgeCodes(List<String> codes) {
+    final lowerCodes = codes.map((c) => c.toLowerCase()).toSet();
+    final ordered = <String>[];
+    for (final code in ['loco_clearance', 'class_clearance']) {
+      if (lowerCodes.remove(code)) ordered.add(code);
+    }
+    final remaining = lowerCodes.toList()
+      ..sort((a, b) => _formatBadgeName(a).compareTo(_formatBadgeName(b)));
+    ordered.addAll(remaining);
+    return ordered;
+  }
+
+  Widget _buildSubheading(BuildContext context, String label) {
+    return Padding(
+      padding: const EdgeInsets.fromLTRB(16, 8, 16, 4),
+      child: Text(
+        label,
+        style: Theme.of(context)
+            .textTheme
+            .labelMedium
+            ?.copyWith(fontWeight: FontWeight.w700),
+      ),
+    );
+  }
+
+  List<Widget> _buildClassProgressSection(
+    BuildContext context,
+    List<ClassClearanceProgress> progress,
+    bool isLoading,
+    bool hasMore,
+  ) {
+    if (progress.isEmpty && !isLoading && !hasMore) return const [];
+    return [
+      _buildSubheading(context, 'In Progress'),
+      ...progress.map(
+        (item) => Padding(
+          padding: const EdgeInsets.symmetric(horizontal: 16.0, vertical: 6.0),
+          child: _buildClassProgressCard(context, item),
+        ),
+      ),
+      if (hasMore || isLoading)
+        Padding(
+          padding: const EdgeInsets.only(top: 4.0, bottom: 8.0),
+          child: _buildLoadMoreButton(
+            context,
+            isLoading,
+            () => _loadMoreClassProgress(),
+          ),
+        ),
+      if (progress.isNotEmpty) const SizedBox(height: 4),
+    ];
+  }
+
+  List<Widget> _buildLocoProgressSection(
+    BuildContext context,
+    List<LocoClearanceProgress> progress,
+    bool isLoading,
+    bool hasMore,
+    {bool showHeading = true}
+  ) {
+    if (progress.isEmpty && !isLoading && !hasMore) return const [];
+    return [
+      if (showHeading) _buildSubheading(context, 'In Progress'),
+      if (progress.isEmpty && isLoading)
+        Padding(
+          padding: const EdgeInsets.symmetric(vertical: 12.0),
+          child: _buildLoadingIndicator(),
+        ),
+      ...progress.map(
+        (item) => Padding(
+          padding: const EdgeInsets.symmetric(horizontal: 12.0, vertical: 6.0),
+          child: _buildLocoProgressCard(context, item),
+        ),
+      ),
+      if (hasMore || isLoading)
+        Padding(
+          padding: const EdgeInsets.only(top: 4.0, bottom: 8.0),
+          child: _buildLoadMoreButton(
+            context,
+            isLoading,
+            () => _loadMoreLocoProgress(),
+          ),
+        ),
+      if (progress.isNotEmpty) const SizedBox(height: 4),
+    ];
+  }
+
+  Widget _buildClassProgressCard(
+    BuildContext context,
+    ClassClearanceProgress progress,
+  ) {
+    final pct = progress.percentComplete.clamp(0, 100);
+    return Card(
+      margin: const EdgeInsets.symmetric(vertical: 4.0),
+      child: Padding(
+        padding: const EdgeInsets.all(8.0),
+        child: Column(
+          crossAxisAlignment: CrossAxisAlignment.start,
+          children: [
+            Row(
+              children: [
+                Expanded(
+                  child: Text(
+                    progress.className,
+                    style: Theme.of(context).textTheme.bodyMedium,
+                  ),
+                ),
+                Text(
+                  '${pct.toStringAsFixed(0)}%',
+                  style: Theme.of(context).textTheme.labelMedium,
+                ),
+              ],
+            ),
+            const SizedBox(height: 4),
+            LinearProgressIndicator(
+              value: progress.total == 0 ? 0 : pct / 100,
+              minHeight: 6,
+            ),
+            if (progress.total > 0)
+              Padding(
+                padding: const EdgeInsets.only(top: 2.0),
+                child: Text(
+                  '${progress.completed}/${progress.total}',
+                  style: Theme.of(context)
+                      .textTheme
+                      .labelSmall
+                      ?.copyWith(color: Theme.of(context).hintColor),
+                ),
+              ),
+          ],
+        ),
+      ),
+    );
+  }
+
+  Widget _buildLocoProgressCard(
+    BuildContext context,
+    LocoClearanceProgress progress,
+  ) {
+    final tierIcons = progress.awardedTiers
+        .map((tier) => _buildTierIcon(tier, size: 18))
+        .whereType<Widget>()
+        .toList();
+    final reachedTopTier = progress.nextTier.isEmpty;
+    final pct = progress.percent.clamp(0, 100);
+    final nextTier = progress.nextTier.isNotEmpty
+        ? progress.nextTier[0].toUpperCase() + progress.nextTier.substring(1)
+        : 'Next';
+    final loco = progress.loco;
+    final title = [
+      if (loco.number.isNotEmpty) loco.number,
+      if (loco.locoClass.isNotEmpty) loco.locoClass,
+    ].join(' • ');
+    return Card(
+      margin: const EdgeInsets.symmetric(vertical: 4.0),
+      child: Padding(
+        padding: const EdgeInsets.all(10.0),
+        child: Column(
+          crossAxisAlignment: CrossAxisAlignment.start,
+          children: [
+            Row(
+              children: [
+                Expanded(
+                  child: Text(
+                    title.isNotEmpty ? title : 'Loco',
+                    style: Theme.of(context).textTheme.titleMedium?.copyWith(
+                          fontWeight: FontWeight.w700,
+                        ),
+                  ),
+                ),
+                if (tierIcons.isNotEmpty)
+                  Row(
+                    children: tierIcons
+                        .expand((icon) sync* {
+                          yield icon;
+                          yield const SizedBox(width: 4);
+                        })
+                        .toList()
+                      ..removeLast(),
+                  ),
+              ],
+            ),
+            if ((loco.name ?? '').isNotEmpty)
+              Padding(
+                padding: const EdgeInsets.only(top: 2.0),
+                child: Text(
+                  loco.name ?? '',
+                  style: Theme.of(context).textTheme.bodySmall,
+                ),
+              ),
+            if (!reachedTopTier) ...[
+              const SizedBox(height: 4),
+              LinearProgressIndicator(
+                value: progress.required == 0 ? 0 : pct / 100,
+                minHeight: 6,
+              ),
+              Padding(
+                padding: const EdgeInsets.only(top: 2.0),
+                child: Text(
+                  '${pct.toStringAsFixed(0)}% to $nextTier award',
+                  style: Theme.of(context).textTheme.bodyMedium,
+                ),
+              ),
+            ],
+          ],
+        ),
+      ),
+    );
+  }
+
+  Widget _buildLoadMoreButton(
+    BuildContext context,
+    bool isLoading,
+    Future<void> Function() onPressed,
+  ) {
+    return Align(
+      alignment: Alignment.center,
+      child: OutlinedButton.icon(
+        onPressed: isLoading
+            ? null
+            : () {
+                onPressed();
+              },
+        icon: isLoading
+            ? const SizedBox(
+                height: 18,
+                width: 18,
+                child: CircularProgressIndicator(strokeWidth: 2),
+              )
+            : const Icon(Icons.expand_more),
+        label: Text(isLoading ? 'Loading...' : 'Load more'),
+      ),
+    );
+  }
+
+  Widget _buildLoadingIndicator() {
+    return const Center(
+      child: SizedBox(
+        height: 24,
+        width: 24,
+        child: CircularProgressIndicator(strokeWidth: 2),
+      ),
+    );
+  }
+
+  Widget _buildCountChip(BuildContext context, int count) {
+    return Container(
+      padding: const EdgeInsets.symmetric(horizontal: 10, vertical: 6),
+      decoration: BoxDecoration(
+        color: Theme.of(context).colorScheme.surfaceContainerHighest,
+        borderRadius: BorderRadius.circular(999),
+      ),
+      child: Text(
+        '$count',
+        style: Theme.of(context)
+            .textTheme
+            .labelMedium
+            ?.copyWith(fontWeight: FontWeight.w700),
+      ),
+    );
+  }
+
+  Future<void> _loadMoreClassProgress() {
+    final data = context.read<DataService>();
+    if (data.isClassClearanceProgressLoading || _loadingClassProgress) {
+      return Future.value();
+    }
+    setState(() => _loadingClassProgress = true);
+    return data
+        .fetchClassClearanceProgress(
+          offset: data.classClearanceProgress.length,
+          append: true,
+        )
+        .whenComplete(() {
+      if (mounted) setState(() => _loadingClassProgress = false);
+    });
+  }
+
+  Future<void> _loadMoreLocoProgress() {
+    final data = context.read<DataService>();
+    if (data.isLocoClearanceProgressLoading || _loadingLocoProgress) {
+      return Future.value();
+    }
+    setState(() => _loadingLocoProgress = true);
+    return data
+        .fetchLocoClearanceProgress(
+          offset: data.locoClearanceProgress.length,
+          append: true,
+        )
+        .whenComplete(() {
+      if (mounted) setState(() => _loadingLocoProgress = false);
+    });
+  }
+
+  Future<void> _loadMoreAwards() {
+    final data = context.read<DataService>();
+    if (data.isBadgeAwardsLoading || _loadingAwards) return Future.value();
+    setState(() => _loadingAwards = true);
+    return data
+        .fetchBadgeAwards(
+          offset: data.badgeAwards.length,
+          append: true,
+          badgeCode: 'class_clearance',
+          limit: 20,
+        )
+        .whenComplete(() {
+      if (mounted) setState(() => _loadingAwards = false);
+    });
+  }
+
   String _formatAwardDate(DateTime date) {
     final y = date.year.toString().padLeft(4, '0');
     final m = date.month.toString().padLeft(2, '0');
@@ -176,7 +674,7 @@ class _ProfilePageState extends State<ProfilePage> {
     return '$y-$m-$d';
   }
 
-  Widget? _buildTierIcon(String tier) {
+  Widget? _buildTierIcon(String tier, {double size = 24}) {
     final lower = tier.toLowerCase();
     Color? color;
     switch (lower) {
@@ -191,7 +689,7 @@ class _ProfilePageState extends State<ProfilePage> {
         break;
     }
     if (color == null) return null;
-    return Icon(Icons.emoji_events, color: color);
+    return Icon(Icons.emoji_events, color: color, size: size);
   }
 
   String? _scopeToShow(BadgeAward award) {

lib/components/pages/settings.dart

@@ -3,6 +3,8 @@ import 'dart:convert';
 import 'package:flutter/material.dart';
 import 'package:go_router/go_router.dart';
 import 'package:http/http.dart' as http;
+import 'package:mileograph_flutter/services/authservice.dart';
+import 'package:mileograph_flutter/services/api_service.dart';
 import 'package:mileograph_flutter/services/endpoint_service.dart';
 import 'package:mileograph_flutter/services/data_service.dart';
 import 'package:provider/provider.dart';
@@ -17,16 +19,27 @@ class SettingsPage extends StatefulWidget {
 class _SettingsPageState extends State<SettingsPage> {
   late final TextEditingController _endpointController;
   bool _saving = false;
+  bool _changingPassword = false;
+  final _passwordFormKey = GlobalKey<FormState>();
+  late final TextEditingController _currentPasswordController;
+  late final TextEditingController _newPasswordController;
+  late final TextEditingController _confirmPasswordController;
 
   @override
   void initState() {
     super.initState();
     final endpoint = context.read<EndpointService>().baseUrl;
     _endpointController = TextEditingController(text: endpoint);
+    _currentPasswordController = TextEditingController();
+    _newPasswordController = TextEditingController();
+    _confirmPasswordController = TextEditingController();
   }
 
   @override
   void dispose() {
+    _currentPasswordController.dispose();
+    _newPasswordController.dispose();
+    _confirmPasswordController.dispose();
     _endpointController.dispose();
     super.dispose();
   }
@@ -125,9 +138,46 @@ class _SettingsPageState extends State<SettingsPage> {
     }
   }
 
+  Future<void> _changePassword() async {
+    final messenger = ScaffoldMessenger.of(context);
+    final formState = _passwordFormKey.currentState;
+    if (formState == null || !formState.validate()) return;
+
+    FocusScope.of(context).unfocus();
+    setState(() => _changingPassword = true);
+    try {
+      final api = context.read<ApiService>();
+      await api.post('/user/password/change', {
+        'old_password': _currentPasswordController.text,
+        'new_password': _newPasswordController.text,
+      });
+      if (!mounted) return;
+      messenger.showSnackBar(
+        const SnackBar(content: Text('Password updated successfully.')),
+      );
+      formState.reset();
+      _currentPasswordController.clear();
+      _newPasswordController.clear();
+      _confirmPasswordController.clear();
+    } catch (e) {
+      if (mounted) {
+        messenger.showSnackBar(
+          SnackBar(content: Text('Failed to change password: $e')),
+        );
+      }
+    } finally {
+      if (mounted) {
+        setState(() => _changingPassword = false);
+      }
+    }
+  }
+
   @override
   Widget build(BuildContext context) {
     final endpointService = context.watch<EndpointService>();
+    final loggedIn = context.select<AuthService, bool>(
+      (auth) => auth.isLoggedIn,
+    );
     if (!endpointService.isLoaded) {
       return const Scaffold(
         body: Center(child: CircularProgressIndicator()),
@@ -149,7 +199,7 @@ class _SettingsPageState extends State<SettingsPage> {
           },
         ),
       ),
-      body: Padding(
+      body: SingleChildScrollView(
         padding: const EdgeInsets.all(16.0),
         child: Column(
           crossAxisAlignment: CrossAxisAlignment.start,
@@ -205,6 +255,99 @@ class _SettingsPageState extends State<SettingsPage> {
               'Current: ${endpointService.baseUrl}',
               style: Theme.of(context).textTheme.labelSmall,
             ),
+            if (loggedIn) ...[
+              const SizedBox(height: 32),
+              Text(
+                'Account',
+                style: Theme.of(context).textTheme.titleMedium?.copyWith(
+                      fontWeight: FontWeight.w700,
+                    ),
+              ),
+              const SizedBox(height: 8),
+              Text(
+                'Change your password for this account.',
+                style: Theme.of(context).textTheme.bodySmall,
+              ),
+              const SizedBox(height: 12),
+              Form(
+                key: _passwordFormKey,
+                child: Column(
+                  crossAxisAlignment: CrossAxisAlignment.start,
+                  children: [
+                    TextFormField(
+                      controller: _currentPasswordController,
+                      decoration: const InputDecoration(
+                        labelText: 'Current password',
+                        border: OutlineInputBorder(),
+                      ),
+                      obscureText: true,
+                      enableSuggestions: false,
+                      autocorrect: false,
+                      autofillHints: const [AutofillHints.password],
+                      validator: (value) {
+                        if (value == null || value.isEmpty) {
+                          return 'Please enter your current password.';
+                        }
+                        return null;
+                      },
+                    ),
+                    const SizedBox(height: 12),
+                    TextFormField(
+                      controller: _newPasswordController,
+                      decoration: const InputDecoration(
+                        labelText: 'New password',
+                        border: OutlineInputBorder(),
+                      ),
+                      obscureText: true,
+                      enableSuggestions: false,
+                      autocorrect: false,
+                      autofillHints: const [AutofillHints.newPassword],
+                      validator: (value) {
+                        if (value == null || value.isEmpty) {
+                          return 'Please enter a new password.';
+                        }
+                        return null;
+                      },
+                    ),
+                    const SizedBox(height: 12),
+                    TextFormField(
+                      controller: _confirmPasswordController,
+                      decoration: const InputDecoration(
+                        labelText: 'Confirm new password',
+                        border: OutlineInputBorder(),
+                      ),
+                      obscureText: true,
+                      enableSuggestions: false,
+                      autocorrect: false,
+                      autofillHints: const [AutofillHints.newPassword],
+                      validator: (value) {
+                        if (value == null || value.isEmpty) {
+                          return 'Please confirm the new password.';
+                        }
+                        if (value != _newPasswordController.text) {
+                          return 'New passwords do not match.';
+                        }
+                        return null;
+                      },
+                    ),
+                    const SizedBox(height: 16),
+                    FilledButton.icon(
+                      onPressed: _changingPassword ? null : _changePassword,
+                      icon: _changingPassword
+                          ? const SizedBox(
+                              width: 18,
+                              height: 18,
+                              child: CircularProgressIndicator(strokeWidth: 2),
+                            )
+                          : const Icon(Icons.lock_reset),
+                      label: Text(
+                        _changingPassword ? 'Updating...' : 'Change password',
+                      ),
+                    ),
+                  ],
+                ),
+              ),
+            ],
           ],
         ),
       ),

lib/objects/objects.dart

@@ -827,3 +827,85 @@ class BadgeAward {
     );
   }
 }
+
+class ClassClearanceProgress {
+  final String className;
+  final int completed;
+  final int total;
+  final double percentComplete;
+
+  ClassClearanceProgress({
+    required this.className,
+    required this.completed,
+    required this.total,
+    required this.percentComplete,
+  });
+
+  factory ClassClearanceProgress.fromJson(Map<String, dynamic> json) {
+    final name = _asString(json['class'] ?? json['class_name'] ?? json['name']);
+    final completed = _asInt(
+      json['completed'] ?? json['done'] ?? json['count'] ?? json['had'],
+    );
+    final total = _asInt(json['total'] ?? json['required'] ?? json['goal']);
+    double percent = _asDouble(
+      json['percent_complete'] ??
+          json['percent'] ??
+          json['completion'] ??
+          json['pct'],
+    );
+    if (percent == 0 && total > 0) {
+      percent = (completed / total) * 100;
+    }
+    return ClassClearanceProgress(
+      className: name.isNotEmpty ? name : 'Class',
+      completed: completed,
+      total: total,
+      percentComplete: percent,
+    );
+  }
+}
+
+class LocoClearanceProgress {
+  final LocoSummary loco;
+  final double mileage;
+  final double required;
+  final String nextTier;
+  final List<String> awardedTiers;
+  final double percent;
+
+  LocoClearanceProgress({
+    required this.loco,
+    required this.mileage,
+    required this.required,
+    required this.nextTier,
+    required this.awardedTiers,
+    required this.percent,
+  });
+
+  factory LocoClearanceProgress.fromJson(Map<String, dynamic> json) {
+    final locoJson = json['loco'];
+    final loco = locoJson is Map<String, dynamic>
+        ? LocoSummary.fromJson(Map<String, dynamic>.from(locoJson))
+        : LocoSummary(
+            locoId: _asInt(json['loco_id']),
+            locoType: _asString(json['loco_type']),
+            locoNumber: _asString(json['loco_number']),
+            locoName: _asString(json['loco_name']),
+            locoClass: _asString(json['loco_class']),
+            locoOperator: _asString(json['operator']),
+            powering: true,
+            locoNotes: null,
+            locoEvn: null,
+          );
+    return LocoClearanceProgress(
+      loco: loco,
+      mileage: _asDouble(json['mileage']),
+      required: _asDouble(json['required']),
+      nextTier: _asString(json['next_tier']),
+      awardedTiers: (json['awarded_tiers'] as List? ?? [])
+          .map((e) => e.toString())
+          .toList(),
+      percent: _asDouble(json['percent']),
+    );
+  }
+}

lib/services/data_service/data_service_badges.dart

@@ -1,10 +1,18 @@
 part of 'data_service.dart';
 
 extension DataServiceBadges on DataService {
-  Future<void> fetchBadgeAwards() async {
+  Future<void> fetchBadgeAwards({
+    int offset = 0,
+    int limit = 50,
+    bool append = false,
+    String badgeCode = 'class_clearance',
+  }) async {
     _isBadgeAwardsLoading = true;
+    if (!append) _badgeAwards = [];
     try {
-      final json = await api.get('/badge/awards/me');
+      final json = await api.get(
+        '/badge/awards/me?limit=$limit&offset=$offset&badge_code=$badgeCode',
+      );
       List<dynamic>? list;
       if (json is List) {
         list = json;
@@ -21,22 +29,102 @@ extension DataServiceBadges on DataService {
           ?.whereType<Map<String, dynamic>>()
           .map(BadgeAward.fromJson)
           .toList();
-      if (parsed != null) {
-        parsed.sort((a, b) {
-          final aTs = a.awardedAt?.millisecondsSinceEpoch ?? 0;
-          final bTs = b.awardedAt?.millisecondsSinceEpoch ?? 0;
-          return bTs.compareTo(aTs);
-        });
-        _badgeAwards = parsed;
-      } else {
-        _badgeAwards = [];
-      }
+      final items = parsed ?? [];
+      _badgeAwards =
+          append ? [..._badgeAwards, ...items] : items;
+      _badgeAwards.sort((a, b) {
+        final aTs = a.awardedAt?.millisecondsSinceEpoch ?? 0;
+        final bTs = b.awardedAt?.millisecondsSinceEpoch ?? 0;
+        return bTs.compareTo(aTs);
+      });
+      _badgeAwardsHasMore = items.length >= limit;
     } catch (e) {
       debugPrint('Failed to fetch badge awards: $e');
-      _badgeAwards = [];
+      if (!append) _badgeAwards = [];
+      _badgeAwardsHasMore = false;
     } finally {
       _isBadgeAwardsLoading = false;
       _notifyAsync();
     }
   }
+
+  Future<void> fetchClassClearanceProgress({
+    int offset = 0,
+    int limit = 20,
+    bool append = false,
+  }) async {
+    _isClassClearanceProgressLoading = true;
+    if (!append) _classClearanceProgress = [];
+    try {
+      final json =
+          await api.get('/badge/completion/class?limit=$limit&offset=$offset');
+      List<dynamic>? list;
+      if (json is List) {
+        list = json;
+      } else if (json is Map) {
+        for (final key in ['progress', 'data', 'items', 'classes']) {
+          final value = json[key];
+          if (value is List) {
+            list = value;
+            break;
+          }
+        }
+      }
+      final parsed = list
+          ?.whereType<Map<String, dynamic>>()
+          .map(ClassClearanceProgress.fromJson)
+          .toList();
+      final items = parsed ?? [];
+      _classClearanceProgress =
+          append ? [..._classClearanceProgress, ...items] : items;
+      _classClearanceHasMore = items.length >= limit;
+    } catch (e) {
+      debugPrint('Failed to fetch class clearance progress: $e');
+      if (!append) _classClearanceProgress = [];
+      _classClearanceHasMore = false;
+    } finally {
+      _isClassClearanceProgressLoading = false;
+      _notifyAsync();
+    }
+  }
+
+  Future<void> fetchLocoClearanceProgress({
+    int offset = 0,
+    int limit = 20,
+    bool append = false,
+  }) async {
+    _isLocoClearanceProgressLoading = true;
+    if (!append) _locoClearanceProgress = [];
+    try {
+      final json =
+          await api.get('/badge/completion/loco?limit=$limit&offset=$offset');
+      List<dynamic>? list;
+      if (json is List) {
+        list = json;
+      } else if (json is Map) {
+        for (final key in ['progress', 'data', 'items', 'locos']) {
+          final value = json[key];
+          if (value is List) {
+            list = value;
+            break;
+          }
+        }
+      }
+      final parsed = list
+          ?.whereType<Map<String, dynamic>>()
+          .map(LocoClearanceProgress.fromJson)
+          .toList();
+      final items = parsed ?? [];
+      _locoClearanceProgress =
+          append ? [..._locoClearanceProgress, ...items] : items;
+      _locoClearanceHasMore = items.length >= limit;
+    } catch (e) {
+      debugPrint('Failed to fetch loco clearance progress: $e');
+      if (!append) _locoClearanceProgress = [];
+      _locoClearanceHasMore = false;
+    } finally {
+      _isLocoClearanceProgressLoading = false;
+      _notifyAsync();
+    }
+  }
 }

lib/services/data_service/data_service_core.dart

@@ -21,6 +21,8 @@ class DataService extends ChangeNotifier {
 
   DataService({required this.api});
 
+  String? _currentUserId;
+
   _LegFetchOptions _lastLegsFetch = const _LegFetchOptions();
 
   // Homepage Data
@@ -102,6 +104,24 @@ class DataService extends ChangeNotifier {
   List<BadgeAward> get badgeAwards => _badgeAwards;
   bool _isBadgeAwardsLoading = false;
   bool get isBadgeAwardsLoading => _isBadgeAwardsLoading;
+  bool _badgeAwardsHasMore = false;
+  bool get badgeAwardsHasMore => _badgeAwardsHasMore;
+  List<ClassClearanceProgress> _classClearanceProgress = [];
+  List<ClassClearanceProgress> get classClearanceProgress =>
+      _classClearanceProgress;
+  bool _isClassClearanceProgressLoading = false;
+  bool get isClassClearanceProgressLoading =>
+      _isClassClearanceProgressLoading;
+  bool _classClearanceHasMore = false;
+  bool get classClearanceHasMore => _classClearanceHasMore;
+  List<LocoClearanceProgress> _locoClearanceProgress = [];
+  List<LocoClearanceProgress> get locoClearanceProgress =>
+      _locoClearanceProgress;
+  bool _isLocoClearanceProgressLoading = false;
+  bool get isLocoClearanceProgressLoading =>
+      _isLocoClearanceProgressLoading;
+  bool _locoClearanceHasMore = false;
+  bool get locoClearanceHasMore => _locoClearanceHasMore;
 
   static const List<EventField> _fallbackEventFields = [
     EventField(name: 'operator', display: 'Operator'),
@@ -357,6 +377,8 @@ class DataService extends ChangeNotifier {
   }
 
   void clear() {
+    _currentUserId = null;
+    _lastLegsFetch = const _LegFetchOptions();
     _homepageStats = null;
     _legs = [];
     _onThisDay = [];
@@ -367,9 +389,44 @@ class DataService extends ChangeNotifier {
     _isLocoTimelineLoading.clear();
     _latestLocoChanges = [];
     _isLatestLocoChangesLoading = false;
+    _isHomepageLoading = false;
+    _isOnThisDayLoading = false;
+    _legsHasMore = false;
+    _isLegsLoading = false;
+    _traction = [];
+    _isTractionLoading = false;
+    _tractionHasMore = false;
+    _latestLocoChangesHasMore = false;
+    _latestLocoChangesFetched = 0;
+    _isTripDetailsLoading = false;
+    _locoClasses = [];
+    _tripList = [];
+    _stationCache.clear();
+    _stationInFlightByKey.clear();
+    _stationNetworks = [];
+    _stationCountryNetworks = {};
+    _stationFiltersFetchedAt = null;
+    _notifications = [];
+    _isNotificationsLoading = false;
+    _badgeAwards = [];
+    _badgeAwardsHasMore = false;
+    _isBadgeAwardsLoading = false;
+    _classClearanceProgress = [];
+    _isClassClearanceProgressLoading = false;
+    _classClearanceHasMore = false;
+    _locoClearanceProgress = [];
+    _isLocoClearanceProgressLoading = false;
+    _locoClearanceHasMore = false;
     _notifyAsync();
   }
 
+  void handleAuthChanged(String? userId) {
+    if (_currentUserId == userId) return;
+    _currentUserId = userId;
+    clear();
+    _currentUserId = userId;
+  }
+
   double getMileageForCurrentYear() {
     final currentYear = DateTime.now().year;
     return getMileageForYear(currentYear) ?? 0;

lib/ui/app_shell.dart

@@ -3,6 +3,8 @@ import 'package:flutter/gestures.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter/services.dart';
 import 'package:go_router/go_router.dart';
+import 'package:mileograph_flutter/components/pages/calculator.dart';
+import 'package:mileograph_flutter/components/pages/calculator_details.dart';
 import 'package:mileograph_flutter/components/login/login.dart';
 import 'package:mileograph_flutter/components/pages/dashboard.dart';
 import 'package:mileograph_flutter/components/pages/loco_legs.dart';
@@ -19,17 +21,28 @@ import 'package:mileograph_flutter/services/data_service.dart';
 import 'package:mileograph_flutter/services/navigation_guard.dart';
 import 'package:provider/provider.dart';
 
-final GlobalKey<NavigatorState> _shellNavigatorKey = GlobalKey<NavigatorState>();
+final GlobalKey<NavigatorState> _shellNavigatorKey =
+    GlobalKey<NavigatorState>();
 
 const List<String> _contentPages = [
   "/dashboard",
+  "/calculator",
+  "/logbook",
+  "/traction",
+  "/add",
+  "/more",
+];
+
+const List<String> _defaultTabDestinations = [
+  "/dashboard",
+  "/calculator",
   "/logbook/entries",
   "/traction",
   "/add",
   "/more",
 ];
 
-const int _addTabIndex = 5;
+const int _addTabIndex = 4;
 
 class _NavItem {
   final String label;
@@ -39,6 +52,7 @@ class _NavItem {
 
 const List<_NavItem> _navItems = [
   _NavItem("Home", Icons.home),
+  _NavItem("Calculator", Icons.route),
   _NavItem("Logbook", Icons.menu_book),
   _NavItem("Traction", Icons.train),
   _NavItem("Add", Icons.add),
@@ -53,10 +67,9 @@ int tabIndexForPath(String path) {
     matchPath = '/logbook/entries';
   } else if (matchPath.startsWith('/trips')) {
     matchPath = '/logbook/trips';
-  } else if (matchPath == '/logbook') {
-    matchPath = '/logbook/entries';
-  } else if (matchPath.startsWith('/logbook/trips')) {
-    matchPath = '/logbook/entries';
+  }
+  if (matchPath.startsWith('/logbook')) {
+    matchPath = '/logbook';
   } else if (matchPath.startsWith('/profile') ||
       matchPath.startsWith('/settings') ||
       matchPath.startsWith('/more')) {
@@ -105,10 +118,7 @@ class _MyAppState extends State<MyApp> {
         return null;
       },
       routes: [
-        GoRoute(
-          path: '/',
-          redirect: (_, __) => '/dashboard',
-        ),
+        GoRoute(path: '/', redirect: (context, state) => '/dashboard'),
         ShellRoute(
           navigatorKey: _shellNavigatorKey,
           builder: (context, state, child) => MyHomePage(child: child),
@@ -117,9 +127,20 @@ class _MyAppState extends State<MyApp> {
               path: '/dashboard',
               builder: (context, state) => const Dashboard(),
             ),
+            GoRoute(
+              path: '/calculator',
+              builder: (context, state) => const CalculatorPage(),
+              routes: [
+                GoRoute(
+                  path: 'details',
+                  builder: (context, state) =>
+                      CalculatorDetailsPage(result: state.extra),
+                ),
+              ],
+            ),
             GoRoute(
               path: '/logbook',
-              builder: (context, state) => const LogbookPage(),
+              redirect: (context, state) => '/logbook/entries',
             ),
             GoRoute(
               path: '/logbook/entries',
@@ -132,12 +153,11 @@ class _MyAppState extends State<MyApp> {
             ),
             GoRoute(
               path: '/trips',
-              builder: (context, state) =>
-                  const LogbookPage(initialTab: LogbookTab.trips),
+              redirect: (context, state) => '/logbook/trips',
             ),
             GoRoute(
               path: '/legs',
-              builder: (context, state) => const LogbookPage(),
+              redirect: (context, state) => '/logbook/entries',
             ),
             GoRoute(
               path: '/traction',
@@ -206,7 +226,10 @@ class _MyAppState extends State<MyApp> {
             ),
           ],
         ),
-        GoRoute(path: '/login', builder: (context, state) => const LoginScreen()),
+        GoRoute(
+          path: '/login',
+          builder: (context, state) => const LoginScreen(),
+        ),
         GoRoute(
           path: '/settings',
           builder: (context, state) => const SettingsPage(),
@@ -254,14 +277,14 @@ class MyHomePage extends StatefulWidget {
 }
 
 class _MyHomePageState extends State<MyHomePage> {
-  List<String> get contentPages => _contentPages;
+  List<String> get tabDestinations => _defaultTabDestinations;
 
   Future<void> _onItemTapped(int index, int currentIndex) async {
-    if (index < 0 || index >= contentPages.length) {
+    if (index < 0 || index >= tabDestinations.length) {
       return;
     }
     final currentPath = GoRouterState.of(context).uri.path;
-    final targetPath = contentPages[index];
+    final targetPath = tabDestinations[index];
     final alreadyAtTarget =
         currentPath == targetPath || currentPath.startsWith('$targetPath/');
     if (index == currentIndex && alreadyAtTarget) return;
@@ -272,9 +295,9 @@ class _MyHomePageState extends State<MyHomePage> {
     });
   }
 
-  final List<int> _history = [];
+  final List<String> _history = [];
   int _historyPosition = -1;
-  final List<int> _forwardHistory = [];
+  final List<String> _forwardHistory = [];
   bool _suppressRecord = false;
 
   bool _fetched = false;
@@ -323,7 +346,7 @@ class _MyHomePageState extends State<MyHomePage> {
   Widget build(BuildContext context) {
     final uri = GoRouterState.of(context).uri;
     final pageIndex = tabIndexForPath(uri.path);
-    _syncHistory(pageIndex);
+    _syncHistory(uri.path);
     if (pageIndex != _addTabIndex) {
       NavigationGuard.unregister();
     }
@@ -367,7 +390,10 @@ class _MyHomePageState extends State<MyHomePage> {
               TextSpan(
                 children: const [
                   TextSpan(text: "Mile"),
-                  TextSpan(text: "O", style: TextStyle(color: Colors.red)),
+                  TextSpan(
+                    text: "O",
+                    style: TextStyle(color: Colors.red),
+                  ),
                   TextSpan(text: "graph"),
                 ],
                 style: const TextStyle(
@@ -384,7 +410,10 @@ class _MyHomePageState extends State<MyHomePage> {
                 onPressed: () => context.go('/more/settings'),
                 icon: const Icon(Icons.settings),
               ),
-              IconButton(onPressed: auth.logout, icon: const Icon(Icons.logout)),
+              IconButton(
+                onPressed: auth.logout,
+                icon: const Icon(Icons.logout),
+              ),
             ],
           ),
           bottomNavigationBar: isWide
@@ -442,7 +471,8 @@ class _MyHomePageState extends State<MyHomePage> {
     return Shortcuts(
       shortcuts: <LogicalKeySet, Intent>{
         LogicalKeySet(LogicalKeyboardKey.browserBack): const _BackIntent(),
-        LogicalKeySet(LogicalKeyboardKey.browserForward): const _ForwardIntent(),
+        LogicalKeySet(LogicalKeyboardKey.browserForward):
+            const _ForwardIntent(),
       },
       child: Actions(
         actions: {
@@ -468,7 +498,10 @@ class _MyHomePageState extends State<MyHomePage> {
               canPop: false,
               onPopInvokedWithResult: (didPop, _) async {
                 if (didPop) return;
-                await _handleBackNavigation(allowExit: true, recordForward: false);
+                await _handleBackNavigation(
+                  allowExit: true,
+                  recordForward: false,
+                );
               },
               child: scaffold,
             ),
@@ -488,7 +521,9 @@ class _MyHomePageState extends State<MyHomePage> {
   }
 
   Widget _buildRailToggleButton(bool railExtended) {
-    final collapseIcon = railExtended ? Icons.chevron_left : Icons.chevron_right;
+    final collapseIcon = railExtended
+        ? Icons.chevron_left
+        : Icons.chevron_right;
     final collapseLabel = railExtended ? 'Collapse' : 'Expand';
 
     if (railExtended) {
@@ -544,24 +579,21 @@ class _MyHomePageState extends State<MyHomePage> {
 
   Future<void> _openNotificationsPanel(BuildContext context) async {
     final data = context.read<DataService>();
+    final isWide = MediaQuery.sizeOf(context).width >= 900;
+    final sheetHeight = MediaQuery.sizeOf(context).height * 0.9;
     try {
       await data.fetchNotifications();
     } catch (_) {
       // Already logged inside data service.
     }
-    if (!mounted) return;
-    final isWide = MediaQuery.of(context).size.width >= 900;
-
-    final panelBuilder = (BuildContext ctx) {
-      return _buildNotificationsContent(ctx, isWide);
-    };
+    if (!context.mounted) return;
 
     if (isWide) {
       await showDialog(
         context: context,
         builder: (dialogCtx) => Dialog(
           insetPadding: const EdgeInsets.all(16),
-          child: panelBuilder(dialogCtx),
+          child: _buildNotificationsContent(dialogCtx, isWide),
         ),
       );
     } else {
@@ -569,11 +601,10 @@ class _MyHomePageState extends State<MyHomePage> {
         context: context,
         isScrollControlled: true,
         builder: (sheetCtx) {
-          final height = MediaQuery.of(context).size.height * 0.9;
           return SizedBox(
-            height: height,
+            height: sheetHeight,
             child: SafeArea(
-              child: panelBuilder(sheetCtx),
+              child: _buildNotificationsContent(sheetCtx, isWide),
             ),
           );
         },
@@ -585,8 +616,9 @@ class _MyHomePageState extends State<MyHomePage> {
     final data = context.watch<DataService>();
     final notifications = data.notifications;
     final loading = data.isNotificationsLoading;
-    final listHeight =
-        isWide ? 380.0 : MediaQuery.of(context).size.height * 0.6;
+    final listHeight = isWide
+        ? 380.0
+        : MediaQuery.of(context).size.height * 0.6;
 
     Widget body;
     if (loading && notifications.isEmpty) {
@@ -606,7 +638,7 @@ class _MyHomePageState extends State<MyHomePage> {
         height: listHeight,
         child: ListView.separated(
           itemCount: notifications.length,
-          separatorBuilder: (_, __) => const SizedBox(height: 8),
+          separatorBuilder: (_, index) => const SizedBox(height: 8),
           itemBuilder: (ctx, index) {
             final item = notifications[index];
             return Card(
@@ -626,9 +658,7 @@ class _MyHomePageState extends State<MyHomePage> {
                                 item.title.isNotEmpty
                                     ? item.title
                                     : 'Notification',
-                                style: Theme.of(context)
-                                    .textTheme
-                                    .titleMedium
+                                style: Theme.of(context).textTheme.titleMedium
                                     ?.copyWith(fontWeight: FontWeight.w700),
                               ),
                               const SizedBox(height: 4),
@@ -640,15 +670,19 @@ class _MyHomePageState extends State<MyHomePage> {
                                 const SizedBox(height: 6),
                                 Text(
                                   _formatNotificationTime(item.createdAt!),
-                                  style: Theme.of(context)
-                                      .textTheme
-                                      .bodySmall
+                                  style: Theme.of(context).textTheme.bodySmall
                                       ?.copyWith(
-                                        color: Theme.of(context)
-                                            .textTheme
-                                            .bodySmall
-                                            ?.color
-                                            ?.withOpacity(0.7),
+                                        color: () {
+                                          final baseColor = Theme.of(
+                                            context,
+                                          ).textTheme.bodySmall?.color;
+                                          if (baseColor == null) return null;
+                                          final newAlpha = (baseColor.a * 0.7)
+                                              .clamp(0.0, 1.0);
+                                          return baseColor.withValues(
+                                            alpha: newAlpha,
+                                          );
+                                        }(),
                                       ),
                                 ),
                               ],
@@ -657,10 +691,8 @@ class _MyHomePageState extends State<MyHomePage> {
                         ),
                         const SizedBox(width: 8),
                         TextButton(
-                          onPressed: () => _dismissNotifications(
-                            context,
-                            [item.id],
-                          ),
+                          onPressed: () =>
+                              _dismissNotifications(context, [item.id]),
                           child: const Text('Dismiss'),
                         ),
                       ],
@@ -686,19 +718,18 @@ class _MyHomePageState extends State<MyHomePage> {
               children: [
                 Text(
                   'Notifications',
-                  style: Theme.of(context)
-                      .textTheme
-                      .titleLarge
-                      ?.copyWith(fontWeight: FontWeight.bold),
+                  style: Theme.of(
+                    context,
+                  ).textTheme.titleLarge?.copyWith(fontWeight: FontWeight.bold),
                 ),
                 const Spacer(),
                 TextButton(
                   onPressed: notifications.isEmpty
                       ? null
                       : () => _dismissNotifications(
-                            context,
-                            notifications.map((e) => e.id).toList(),
-                          ),
+                          context,
+                          notifications.map((e) => e.id).toList(),
+                        ),
                   child: const Text('Dismiss all'),
                 ),
               ],
@@ -720,9 +751,7 @@ class _MyHomePageState extends State<MyHomePage> {
     try {
       await context.read<DataService>().dismissNotifications(ids);
     } catch (e) {
-      messenger?.showSnackBar(
-        SnackBar(content: Text('Failed to dismiss: $e')),
-      );
+      messenger?.showSnackBar(SnackBar(content: Text('Failed to dismiss: $e')));
     }
   }
 
@@ -742,9 +771,7 @@ class _MyHomePageState extends State<MyHomePage> {
         color: Colors.redAccent,
         borderRadius: BorderRadius.circular(10),
       ),
-      constraints: const BoxConstraints(
-        minWidth: 20,
-      ),
+      constraints: const BoxConstraints(minWidth: 20),
       child: Text(
         label,
         style: const TextStyle(
@@ -757,31 +784,32 @@ class _MyHomePageState extends State<MyHomePage> {
     );
   }
 
-  int get _currentPageIndex => tabIndexForPath(GoRouterState.of(context).uri.path);
-
   Future<bool> _handleBackNavigation({
     bool allowExit = false,
     bool recordForward = false,
   }) async {
-    final pageIndex = _currentPageIndex;
+    final currentPath = GoRouterState.of(context).uri.path;
     final shellNav = _shellNavigatorKey.currentState;
     if (shellNav != null && shellNav.canPop()) {
+      if (recordForward) _pushForward(currentPath);
+      _alignHistoryAfterPop(currentPath);
       shellNav.pop();
       return true;
     }
 
     if (_historyPosition > 0) {
-      if (recordForward) _pushForward(pageIndex);
+      if (recordForward) _pushForward(currentPath);
       _historyPosition -= 1;
       _suppressRecord = true;
-      context.go(contentPages[_history[_historyPosition]]);
+      context.go(_history[_historyPosition]);
       return true;
     }
 
-    if (pageIndex != 0) {
-      if (recordForward) _pushForward(pageIndex);
+    final homePath = tabDestinations.first;
+    if (currentPath != homePath) {
+      if (recordForward) _pushForward(currentPath);
       _suppressRecord = true;
-      context.go(contentPages[0]);
+      context.go(homePath);
       return true;
     }
 
@@ -795,35 +823,48 @@ class _MyHomePageState extends State<MyHomePage> {
 
   Future<bool> _handleForwardNavigation() async {
     if (_forwardHistory.isEmpty) return false;
-    final nextTab = _forwardHistory.removeLast();
+    final nextPath = _forwardHistory.removeLast();
 
     // Move cursor forward, keeping history in sync.
     if (_historyPosition < _history.length - 1) {
       _historyPosition += 1;
-      _history[_historyPosition] = nextTab;
+      _history[_historyPosition] = nextPath;
       if (_historyPosition < _history.length - 1) {
         _history.removeRange(_historyPosition + 1, _history.length);
       }
     } else {
-      _history.add(nextTab);
+      _history.add(nextPath);
       _historyPosition = _history.length - 1;
     }
 
     _suppressRecord = true;
     if (!mounted) return false;
-    context.go(contentPages[nextTab]);
+    context.go(nextPath);
     return true;
   }
 
-  void _pushForward(int pageIndex) {
-    if (_forwardHistory.isEmpty || _forwardHistory.last != pageIndex) {
-      _forwardHistory.add(pageIndex);
+  void _pushForward(String path) {
+    if (_forwardHistory.isEmpty || _forwardHistory.last != path) {
+      _forwardHistory.add(path);
     }
   }
 
-  void _syncHistory(int pageIndex) {
+  void _alignHistoryAfterPop(String currentPath) {
+    if (_history.isEmpty) return;
+    if (_historyPosition >= 0 &&
+        _historyPosition < _history.length &&
+        _history[_historyPosition] == currentPath) {
+      if (_historyPosition > 0) {
+        _historyPosition -= 1;
+      }
+      _history.removeRange(_historyPosition + 1, _history.length);
+      _suppressRecord = true;
+    }
+  }
+
+  void _syncHistory(String path) {
     if (_history.isEmpty) {
-      _history.add(pageIndex);
+      _history.add(path);
       _historyPosition = 0;
       return;
     }
@@ -833,13 +874,13 @@ class _MyHomePageState extends State<MyHomePage> {
     }
     if (_historyPosition >= 0 &&
         _historyPosition < _history.length &&
-        _history[_historyPosition] == pageIndex) {
+        _history[_historyPosition] == path) {
       return;
     }
     if (_historyPosition < _history.length - 1) {
       _history.removeRange(_historyPosition + 1, _history.length);
     }
-    _history.add(pageIndex);
+    _history.add(path);
     _historyPosition = _history.length - 1;
     _forwardHistory.clear();
   }
@@ -847,6 +888,6 @@ class _MyHomePageState extends State<MyHomePage> {
   void _navigateToIndex(int index) {
     _suppressRecord = false;
     _forwardHistory.clear();
-    context.go(contentPages[index]);
+    context.go(tabDestinations[index]);
   }
 }

pubspec.yaml

@@ -16,7 +16,7 @@ publish_to: "none" # Remove this line if you wish to publish to pub.dev
 # https://developer.apple.com/library/archive/documentation/General/Reference/InfoPlistKeyReference/Articles/CoreFoundationKeys.html
 # In Windows, build-name is used as the major, minor, and patch parts
 # of the product and file versions while build-number is used as the build suffix.
-version: 0.4.0+1
+version: 0.4.5+1
 
 environment:
   sdk: ^3.8.1

test/app_shell_test.dart

@@ -8,13 +8,12 @@ void main() {
     expect(tabIndexForPath('/calculator/details'), 1);
     expect(tabIndexForPath('/legs'), 2);
     expect(tabIndexForPath('/traction/12/timeline'), 3);
-    expect(tabIndexForPath('/trips'), 4);
-    expect(tabIndexForPath('/add'), 5);
+    expect(tabIndexForPath('/trips'), 2);
+    expect(tabIndexForPath('/add'), 4);
   });
 
   test('tabIndexForPath ignores query when parsing uri', () {
-    expect(tabIndexForPath(Uri.parse('/trips?sort=desc').path), 4);
+    expect(tabIndexForPath(Uri.parse('/trips?sort=desc').path), 2);
     expect(tabIndexForPath(Uri.parse('/calculator/details?x=1').path), 1);
   });
 }
-