firka: add grade summary bar with dropdown under subjects chart

firka/lib/ui/components/grade.dart

@@ -4,6 +4,29 @@ import 'package:flutter/material.dart';
 import 'package:firka/ui/theme/style.dart';
 import 'package:firka/ui/components/grade_helpers.dart';
 
+class GradeIconWidget extends StatelessWidget {
+  final int gradeValue;
+
+  const GradeIconWidget(this.gradeValue, {super.key});
+
+  @override
+  Widget build(BuildContext context) {
+    final gradeColor = getGradeColor(gradeValue.toDouble());
+    return Card(
+      shape: const CircleBorder(),
+      shadowColor: Colors.transparent,
+      color: gradeColor.withAlpha(38),
+      child: Padding(
+        padding: const EdgeInsets.only(left: 8, right: 8),
+        child: Text(
+          gradeValue.toString(),
+          style: appStyle.fonts.H_H1.copyWith(fontSize: 24, color: gradeColor),
+        ),
+      ),
+    );
+  }
+}
+
 class GradeWidget extends StatelessWidget {
   final Grade grade;
 

firka/lib/ui/components/grade_helpers.dart

@@ -60,6 +60,21 @@ Color getGradeColor(double grade) {
   }
 }
 
+(int total, List<int> countsByGrade) getGradeDistribution(List<Grade> grades) {
+  final filtered = grades
+      .where((g) => g.type.name != "felevi_jegy_ertekeles")
+      .toList();
+  final counts = [0, 0, 0, 0, 0];
+  for (final g in filtered) {
+    if (g.numericValue == null) continue;
+    final value = g.valueType.name == "Szazalekos"
+        ? percentageToGrade(g.numericValue!.round())
+        : g.numericValue!.round().clamp(1, 5);
+    counts[value - 1]++;
+  }
+  return (filtered.length, counts);
+}
+
 extension GradeListExtension on List<Grade> {
   double getAverageBySubject(Subject subject) {
     var weightTotal = 0.00;

firka/lib/ui/phone/pages/home/home_grades.dart

@@ -5,6 +5,7 @@ import 'package:firka/routing/chart_interaction_scope.dart';
 import 'package:firka/ui/components/firka_card.dart';
 import 'package:firka/ui/components/grade_helpers.dart';
 import 'package:firka/ui/phone/widgets/grade_chart.dart';
+import 'package:firka/ui/phone/widgets/grade_summary_bar.dart';
 import 'package:firka/ui/shared/grade_small_card.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter_bloc/flutter_bloc.dart';
@@ -242,7 +243,12 @@ class _HomeGradesScreen extends FirkaState<HomeGradesScreen> {
                   ChartInteractionScope.of(context).value = false,
               child: GradeChart(grades: grades?.response ?? []),
             ),
-            // ...gradeCards,
+            SizedBox(height: 2),
+            GradeSummaryBar(
+              grades: grades?.response ?? [],
+              l10n: widget.data.l10n,
+            ),
+            SizedBox(height: 12),
             Expanded(
               child: ListView(
                 children: [

firka/lib/ui/phone/widgets/grade_summary_bar.dart

@@ -0,0 +1,115 @@
+import 'package:firka/api/model/grade.dart';
+import 'package:firka/ui/components/grade.dart';
+import 'package:firka/ui/components/grade_helpers.dart';
+import 'package:firka/ui/shared/firka_icon.dart';
+import 'package:flutter/material.dart';
+import 'package:majesticons_flutter/majesticons_flutter.dart';
+
+import 'package:firka/l10n/app_localizations.dart';
+import 'package:firka/ui/theme/style.dart';
+
+class GradeSummaryBar extends StatefulWidget {
+  final List<Grade> grades;
+  final AppLocalizations l10n;
+
+  const GradeSummaryBar({super.key, required this.grades, required this.l10n});
+
+  @override
+  State<GradeSummaryBar> createState() => _GradeSummaryBarState();
+}
+
+class _GradeSummaryBarState extends State<GradeSummaryBar> {
+  bool _expanded = false;
+
+  @override
+  Widget build(BuildContext context) {
+    final (total, countsByGrade) = getGradeDistribution(widget.grades);
+    final gradeColors = [
+      appStyle.colors.grade1,
+      appStyle.colors.grade2,
+      appStyle.colors.grade3,
+      appStyle.colors.grade4,
+      appStyle.colors.grade5,
+    ];
+    final totalCounted = countsByGrade.reduce((a, b) => a + b);
+
+    return Card(
+      shadowColor: Colors.transparent,
+      color: appStyle.colors.a15p,
+      shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(16)),
+      child: InkWell(
+        onTap: () => setState(() => _expanded = !_expanded),
+        borderRadius: BorderRadius.circular(16),
+        child: Padding(
+          padding: const EdgeInsets.symmetric(horizontal: 16, vertical: 12),
+          child: Column(
+            mainAxisSize: MainAxisSize.min,
+            crossAxisAlignment: CrossAxisAlignment.stretch,
+            children: [
+              Row(
+                children: [
+                  Text(
+                    widget.l10n.gradesCount(total),
+                    style: appStyle.fonts.B_16SB.apply(
+                      color: appStyle.colors.textPrimary,
+                    ),
+                  ),
+                  const SizedBox(width: 12),
+                  Expanded(
+                    child: ClipRRect(
+                      borderRadius: BorderRadius.circular(4),
+                      child: Row(
+                        children: List.generate(5, (i) {
+                          final flex = totalCounted > 0 ? countsByGrade[i] : 1;
+                          return Expanded(
+                            flex: flex,
+                            child: Container(height: 10, color: gradeColors[i]),
+                          );
+                        }),
+                      ),
+                    ),
+                  ),
+                  const SizedBox(width: 12),
+                  FirkaIconWidget(
+                    FirkaIconType.majesticons,
+                    _expanded
+                        ? Majesticon.chevronUpLine
+                        : Majesticon.chevronDownLine,
+                    color: appStyle.colors.textPrimary,
+                    size: 24,
+                  ),
+                ],
+              ),
+              if (_expanded) ...[
+                const SizedBox(height: 12),
+                Row(
+                  mainAxisAlignment: MainAxisAlignment.spaceBetween,
+                  children: List.generate(5, (i) {
+                    final grade = i + 1;
+                    return Row(
+                      mainAxisSize: MainAxisSize.min,
+                      children: [
+                        SizedBox(
+                          width: 32,
+                          height: 32,
+                          child: FittedBox(child: GradeIconWidget(grade)),
+                        ),
+                        const SizedBox(width: 4),
+                        Text(
+                          countsByGrade[i].toString(),
+                          style: appStyle.fonts.B_16SB.apply(
+                            color: appStyle.colors.textPrimary,
+                          ),
+                        ),
+                      ],
+                    );
+                  }),
+                ),
+              ],
+            ],
+          ),
+        ),
+      ),
+    );
+  }
+}