feat(features): refontes adhesions/admin/auth/backup/contributions/dashboard/epargne/events

- adhesions : bloc complet avec events/states/model, dialogs paiement/rejet
- admin : users bloc, user management list/detail pages
- authentication : bloc + keycloak auth service + webview
- backup : bloc complet, repository, models
- contributions : bloc + widgets + export
- dashboard : widgets connectés (activities, events, notifications, search)
  + charts + monitoring + shortcuts
- epargne : repository, transactions, dialogs
- events : bloc complet, pages (detail, connected, wrapper), models

lib/features/contributions/presentation/pages/contributions_page.dart

@@ -60,9 +60,10 @@ class _ContributionsPageState extends State<ContributionsPage>
   @override
   Widget build(BuildContext context) {
     return Scaffold(
-      backgroundColor: ColorTokens.background,
+      backgroundColor: Theme.of(context).scaffoldBackgroundColor,
       appBar: UFAppBar(
         title: 'Cotisations',
+        moduleGradient: ModuleColors.cotisationsGradient,
         actions: [
           IconButton(
             icon: const Icon(Icons.bar_chart, size: 20),
@@ -76,15 +77,17 @@ class _ContributionsPageState extends State<ContributionsPage>
         bottom: TabBar(
           controller: _tabController,
           onTap: (_) => _loadContributions(),
-          labelColor: ColorTokens.onPrimary,
-          unselectedLabelColor: ColorTokens.onPrimary.withOpacity(0.7),
-          indicatorColor: ColorTokens.onPrimary,
-          labelStyle: AppTypography.badgeText.copyWith(fontWeight: FontWeight.bold),
+          isScrollable: true,
+          labelColor: Colors.white,
+          unselectedLabelColor: Colors.white70,
+          indicatorColor: Colors.white,
+          indicatorSize: TabBarIndicatorSize.label,
+          labelStyle: AppTypography.actionText.copyWith(fontSize: 10, fontWeight: FontWeight.bold),
           tabs: const [
-            Tab(text: 'Toutes'),
-            Tab(text: 'Payées'),
-            Tab(text: 'Dues'),
-            Tab(text: 'Retard'),
+            Tab(child: Text('TOUTES')),
+            Tab(child: Text('PAYÉES')),
+            Tab(child: Text('DUES')),
+            Tab(child: Text('RETARD')),
           ],
         ),
       ),
@@ -257,18 +260,19 @@ class _ContributionsPageState extends State<ContributionsPage>
   }
 
   Widget _buildStatutBadge(ContributionStatus statut, bool enRetard) {
+    final scheme = Theme.of(context).colorScheme;
     if (enRetard && statut != ContributionStatus.payee) {
-      return const InfoBadge(text: 'RETARD', backgroundColor: Color(0xFFFFEBEB), textColor: ColorTokens.error);
+      return InfoBadge(text: 'RETARD', backgroundColor: scheme.errorContainer, textColor: ColorTokens.error);
     }
 
     switch (statut) {
       case ContributionStatus.payee:
-        return const InfoBadge(text: 'PAYÉE', backgroundColor: Color(0xFFE3F9E5), textColor: ColorTokens.success);
+        return InfoBadge(text: 'PAYÉE', backgroundColor: ColorTokens.successContainer, textColor: ColorTokens.success);
       case ContributionStatus.nonPayee:
       case ContributionStatus.enAttente:
-        return const InfoBadge(text: 'DUE', backgroundColor: Color(0xFFFFF4E5), textColor: ColorTokens.warning);
+        return InfoBadge(text: 'DUE', backgroundColor: ColorTokens.warningContainer, textColor: ColorTokens.warning);
       case ContributionStatus.partielle:
-        return const InfoBadge(text: 'PARTIELLE', backgroundColor: Color(0xFFE5F1FF), textColor: ColorTokens.info);
+        return InfoBadge(text: 'PARTIELLE', backgroundColor: ColorTokens.infoContainer, textColor: ColorTokens.info);
       case ContributionStatus.annulee:
         return InfoBadge.neutral('ANNULÉE');
       default:
@@ -279,7 +283,7 @@ class _ContributionsPageState extends State<ContributionsPage>
   void _showContributionDetails(ContributionModel contribution) {
     showModalBottomSheet(
       context: context,
-      backgroundColor: ColorTokens.surface,
+      backgroundColor: Theme.of(context).colorScheme.surface,
       shape: const RoundedRectangleBorder(borderRadius: BorderRadius.vertical(top: Radius.circular(RadiusTokens.lg))),
       builder: (context) => Padding(
         padding: const EdgeInsets.all(SpacingTokens.xl),

lib/features/contributions/presentation/pages/mes_statistiques_cotisations_page.dart

@@ -38,11 +38,10 @@ class _MesStatistiquesCotisationsPageState extends State<MesStatistiquesCotisati
   @override
   Widget build(BuildContext context) {
     return Scaffold(
-      backgroundColor: ColorTokens.background,
+      backgroundColor: Theme.of(context).scaffoldBackgroundColor,
       appBar: UFAppBar(
-        title: 'Mes statistiques cotisations',
-        backgroundColor: ColorTokens.surface,
-        foregroundColor: ColorTokens.onSurface,
+        title: 'Statistiques Cotisations',
+        moduleGradient: ModuleColors.cotisationsGradient,
       ),
       body: BlocListener<ContributionsBloc, ContributionsState>(
         listener: (context, state) {
@@ -158,7 +157,7 @@ class _MesStatistiquesCotisationsPageState extends State<MesStatistiquesCotisati
                 'Payé cette année',
                 _currencyFormat.format(totalPayeAnnee),
                 icon: Icons.check_circle_outline,
-                color: AppColors.primaryGreen,
+                color: AppColors.primary,
               ),
             ),
           ],
@@ -272,7 +271,7 @@ class _MesStatistiquesCotisationsPageState extends State<MesStatistiquesCotisati
               Text('0 %', style: AppTypography.bodyTextSmall.copyWith(color: ColorTokens.onSurfaceVariant)),
               Text(
                 '${taux.toStringAsFixed(0)} %',
-                style: AppTypography.headerSmall.copyWith(color: AppColors.primaryGreen, fontWeight: FontWeight.w700),
+                style: AppTypography.headerSmall.copyWith(color: AppColors.primary, fontWeight: FontWeight.w700),
               ),
               Text('100 %', style: AppTypography.bodyTextSmall.copyWith(color: ColorTokens.onSurfaceVariant)),
             ],
@@ -294,7 +293,7 @@ class _MesStatistiquesCotisationsPageState extends State<MesStatistiquesCotisati
     final sections = <PieChartSectionData>[];
     if (paye > 0) {
       sections.add(PieChartSectionData(
-        color: AppColors.primaryGreen,
+        color: AppColors.primary,
         value: paye,
         title: 'Payé',
         radius: 60,
@@ -345,7 +344,7 @@ class _MesStatistiquesCotisationsPageState extends State<MesStatistiquesCotisati
           Row(
             mainAxisAlignment: MainAxisAlignment.spaceEvenly,
             children: [
-              _legendItem(AppColors.primaryGreen, 'Payé', _currencyFormat.format(paye)),
+              _legendItem(AppColors.primary, 'Payé', _currencyFormat.format(paye)),
               _legendItem(UnionFlowColors.terracotta, 'Dû', _currencyFormat.format(du)),
             ],
           ),
@@ -454,11 +453,11 @@ class _MesStatistiquesCotisationsPageState extends State<MesStatistiquesCotisati
                   LineChartBarData(
                     spots: spots,
                     isCurved: true,
-                    color: AppColors.primaryGreen,
+                    color: AppColors.primary,
                     barWidth: 2,
                     isStrokeCapRound: true,
                     dotData: const FlDotData(show: true),
-                    belowBarData: BarAreaData(show: true, color: AppColors.primaryGreen.withOpacity(0.15)),
+                    belowBarData: BarAreaData(show: true, color: AppColors.primary.withOpacity(0.15)),
                   ),
                 ],
               ),