Improved mobile layout

lib/pages/stats/stats_page.dart

@@ -14,8 +14,103 @@ import 'package:tunas/repositories/transactions/transactions_repository.dart';
 class StatsPage extends StatelessWidget {
   const StatsPage({super.key});
 
+  Widget _largeScreenHeader(ChartState state) {
+    return Center (
+      child: Container(
+        margin: const EdgeInsets.symmetric(horizontal: 10, vertical: 10),
+        constraints: const BoxConstraints(
+          maxWidth: 1000
+        ),
+        child: Column(
+          children: [
+            Row(
+              children: [
+                Expanded(
+                  flex: 2,
+                  child: GlobalCounter(value: state.globalTotal)
+                ),
+                const SizedBox(width: 10),
+                Expanded(
+                  flex: 1,
+                  child: AccountCounter(accountsTotals: state.accountsTotals)
+                ),
+              ],
+            ),
+            Row(
+              mainAxisAlignment: MainAxisAlignment.spaceBetween,
+              children: [
+                const YearSelector(),
+                ProfitIndicator(profit: state.scoppedProfit)
+              ],
+            ),
+          ]
+        )
+      )
+    );
+  }
+
+  Widget _smallScreenHeader(ChartState state) {
+    return Center (
+      child: Container(
+        margin: const EdgeInsets.symmetric(horizontal: 10, vertical: 10),
+        constraints: const BoxConstraints(
+          maxWidth: 1000
+        ),
+        child: Column(
+          children: [
+            GlobalCounter(value: state.globalTotal),
+            AccountCounter(accountsTotals: state.accountsTotals),
+            Row(
+              mainAxisAlignment: MainAxisAlignment.spaceBetween,
+              children: [
+                ProfitIndicator(profit: state.scoppedProfit),
+                const YearSelector(),
+              ],
+            ),
+          ]
+        )
+      )
+    );
+  }
+
+  Widget _largeScreenTotalsCharts(ChartState state) {
+    return Center (
+      child: ConstrainedBox(
+        constraints: const BoxConstraints(
+          maxWidth: 1500
+        ),
+        child: SizedBox(
+          height: 450,
+          child: Row(
+            children: [
+              CategoriesTotalsChart(categoriesTotals: state.scopedCategoriesPositiveTotals, categoriesTotalsPercents: state.scopedSimplifiedCategoriesPositiveTotalsPercents),
+              CategoriesTotalsChart(categoriesTotals: state.scopedCategoriesNegativeTotals, categoriesTotalsPercents: state.scopedSimplifiedCategoriesNegativeTotalsPercents),
+            ],
+          )
+        )
+      )
+    );
+  }
+
+  Widget _smallScreenTotalsCharts(ChartState state) {
+    return Center (
+      child: ConstrainedBox(
+        constraints: const BoxConstraints(
+          maxWidth: 1500
+        ),
+        child: Column(
+          children: [
+            CategoriesTotalsChart(categoriesTotals: state.scopedCategoriesPositiveTotals, categoriesTotalsPercents: state.scopedSimplifiedCategoriesPositiveTotalsPercents),
+            CategoriesTotalsChart(categoriesTotals: state.scopedCategoriesNegativeTotals, categoriesTotalsPercents: state.scopedSimplifiedCategoriesNegativeTotalsPercents),
+          ],
+        )
+      )
+    );
+  }
+
   @override
   Widget build(BuildContext context) {
+    bool smallVerticalScreen = MediaQuery.sizeOf(context).width < 800;
     return BlocProvider(
       create: (context) => ChartBloc(
         metadataRepository: RepositoryProvider.of<MetadataRepository>(context),
@@ -24,60 +119,16 @@ class StatsPage extends StatelessWidget {
       child: BlocBuilder<ChartBloc, ChartState>(
         builder: (context, state) => ListView(
           children: [
-            Center (
-              child: ConstrainedBox(
-                constraints: const BoxConstraints(
-                  maxWidth: 1000
-                ),
-                child: Column(
-                  children: [
-                    Row(
-                      children: [
-                        Expanded(
-                          flex: 2,
-                          child: GlobalCounter(value: state.globalTotal)
-                        ),
-                        Expanded(
-                          flex: 1,
-                          child: AccountCounter(accountsTotals: state.accountsTotals)
-                        ),
-                      ],
-                    ),
-                    Row(
-                      mainAxisAlignment: MainAxisAlignment.spaceBetween,
-                      children: [
-                        const YearSelector(),
-                        ProfitIndicator(profit: state.scoppedProfit)
-                      ],
-                    ),
-                  ]
-                )
-              )
-            ),
+            smallVerticalScreen ? _smallScreenHeader(state) : _largeScreenHeader(state),
             SizedBox(
-              height: 200,
+              height: smallVerticalScreen ? 100 : 200,
               child: GlobalTotalChart(monthlyTotals: state.scopedMonthlyTotals)
             ),
             SizedBox(
-              height: 500,
+              height: smallVerticalScreen ? 200 : 500,
               child: MonthlyCategoriesTotalChart(categoriesMonthlyTotals: state.scopedCategoriesMonthlyTotals)
             ),
-            Center (
-              child: ConstrainedBox(
-                constraints: const BoxConstraints(
-                  maxWidth: 1500
-                ),
-                child: SizedBox(
-                  height: 450,
-                  child: OverflowBar(
-                    children: [
-                      CategoriesTotalsChart(categoriesTotals: state.scopedCategoriesPositiveTotals, categoriesTotalsPercents: state.scopedSimplifiedCategoriesPositiveTotalsPercents),
-                      CategoriesTotalsChart(categoriesTotals: state.scopedCategoriesNegativeTotals, categoriesTotalsPercents: state.scopedSimplifiedCategoriesNegativeTotalsPercents),
-                    ],
-                  )
-                )
-              )
-            ),
+            smallVerticalScreen ? _smallScreenTotalsCharts(state) : _largeScreenTotalsCharts(state),
           ],
         )
       ),

lib/pages/stats/widgets/account_counters.dart

@@ -31,7 +31,7 @@ class AccountCounter extends StatelessWidget {
   Widget build(BuildContext context) {
     return Container(
       padding: const EdgeInsets.all(10),
-      margin: const EdgeInsets.all(20),
+      margin: const EdgeInsets.only(bottom: 10),
       decoration: BoxDecoration(
         borderRadius: BorderRadius.circular(15),
         color: Theme.of(context).colorScheme.primaryContainer,

lib/pages/stats/widgets/categories_totals_chart.dart

@@ -11,7 +11,7 @@ class CategoriesTotalsChart extends StatelessWidget {
 
   const CategoriesTotalsChart({super.key, required this.categoriesTotals, required this.categoriesTotalsPercents});
 
-  List<PieChartSectionData> _convertDataForChart(Map<String, Color> categoriesColors) {
+  List<PieChartSectionData> _convertDataForChart(Map<String, Color> categoriesColors, bool smallVerticalScreen) {
     return categoriesTotalsPercents
       .map((item) => 
         PieChartSectionData(
@@ -21,9 +21,10 @@ class CategoriesTotalsChart extends StatelessWidget {
             fontSize: 15,
             fontWeight: FontWeight.w300
           ),
+          showTitle: !smallVerticalScreen,
           titlePositionPercentageOffset: 0.5,
           borderSide: const BorderSide(width: 0),
-          radius: 40,
+          radius: smallVerticalScreen ? 30 : 40,
           color: categoriesColors[item.label]
         ))
       .toList();
@@ -60,10 +61,11 @@ class CategoriesTotalsChart extends StatelessWidget {
 
   @override
   Widget build(BuildContext context) {
+    bool smallVerticalScreen = MediaQuery.sizeOf(context).width < 800;
     return BlocBuilder<CategoryBloc, CategoryState>(
       builder: (context, state) => Container(
         height: 320,
-        width: 500,
+        width: smallVerticalScreen ? null : 500,
         padding: const EdgeInsets.all(10),
         margin: const EdgeInsets.all(20),
         decoration: BoxDecoration(
@@ -84,11 +86,11 @@ class CategoriesTotalsChart extends StatelessWidget {
             Expanded(
               child: PieChart(
                 PieChartData(
-                  sections: _convertDataForChart(state.categoriesColors),
+                  sections: _convertDataForChart(state.categoriesColors, smallVerticalScreen),
                   borderData: FlBorderData(
                     show: false
                   ),
-                  centerSpaceRadius: 50,
+                  centerSpaceRadius: smallVerticalScreen ? 30 :50,
                   sectionsSpace: 4
                 )
               ),

lib/pages/stats/widgets/global_counter.dart

@@ -10,7 +10,7 @@ class GlobalCounter extends StatelessWidget {
   Widget build(BuildContext context) {
     return Container(
       padding: const EdgeInsets.all(10),
-      margin: const EdgeInsets.all(20),
+      margin: const EdgeInsets.only(bottom: 10),
       decoration: BoxDecoration(
         borderRadius: BorderRadius.circular(15),
         color: Theme.of(context).colorScheme.primaryContainer,