feat(chart): interactive zoom/pan controls, pattern overlays, predictions, individual pattern filtering and landscape fullscreen mode

FinlyticApp/lib/features/asset_detail/bloc/technical/asset_technical_bloc.dart

@@ -15,5 +15,32 @@ class AssetTechnicalBloc extends Bloc<AssetTechnicalEvent, AssetTechnicalState>
         emit(AssetTechnicalError(e.toString()));
       }
     });
+
+    on<TogglePatternFilter>((event, emit) {
+      if (state is AssetTechnicalLoaded) {
+        final current = state as AssetTechnicalLoaded;
+        final updated = Set<int>.from(current.disabledPatternIndices);
+        if (event.enabled) {
+          updated.remove(event.patternIndex);
+        } else {
+          updated.add(event.patternIndex);
+        }
+        emit(current.copyWith(disabledPatternIndices: updated));
+      }
+    });
+
+    on<ToggleIndicatorFilter>((event, emit) {
+      if (state is AssetTechnicalLoaded) {
+        final current = state as AssetTechnicalLoaded;
+        emit(current.copyWith(
+          showSma50: event.showSma50,
+          showSma200: event.showSma200,
+          showEma: event.showEma,
+          showSupertrend: event.showSupertrend,
+          showPatterns: event.showPatterns,
+          showSignals: event.showSignals,
+        ));
+      }
+    });
   }
 }

FinlyticApp/lib/features/asset_detail/bloc/technical/asset_technical_event.dart

@@ -1,7 +1,32 @@
 abstract class AssetTechnicalEvent {}
+
 class LoadAssetTechnical extends AssetTechnicalEvent {
   final String isin;
   final bool forceRefresh;
   final String? ticker;
   LoadAssetTechnical(this.isin, {this.forceRefresh = false, this.ticker});
 }
+
+class TogglePatternFilter extends AssetTechnicalEvent {
+  final int patternIndex;
+  final bool enabled;
+  TogglePatternFilter({required this.patternIndex, required this.enabled});
+}
+
+class ToggleIndicatorFilter extends AssetTechnicalEvent {
+  final bool? showSma50;
+  final bool? showSma200;
+  final bool? showEma;
+  final bool? showSupertrend;
+  final bool? showPatterns;
+  final bool? showSignals;
+
+  ToggleIndicatorFilter({
+    this.showSma50,
+    this.showSma200,
+    this.showEma,
+    this.showSupertrend,
+    this.showPatterns,
+    this.showSignals,
+  });
+}

FinlyticApp/lib/features/asset_detail/bloc/technical/asset_technical_state.dart

@@ -1,12 +1,55 @@
 import '../../models/technical_analysis_model.dart';
 
 abstract class AssetTechnicalState {}
+
 class AssetTechnicalInitial extends AssetTechnicalState {}
+
 class AssetTechnicalLoading extends AssetTechnicalState {}
+
 class AssetTechnicalLoaded extends AssetTechnicalState {
   final TechnicalAnalysisModel? data;
-  AssetTechnicalLoaded(this.data);
+  final Set<int> disabledPatternIndices;
+  final bool showSma50;
+  final bool showSma200;
+  final bool showEma;
+  final bool showSupertrend;
+  final bool showPatterns;
+  final bool showSignals;
+
+  AssetTechnicalLoaded(
+    this.data, {
+    this.disabledPatternIndices = const {},
+    this.showSma50 = true,
+    this.showSma200 = true,
+    this.showEma = true,
+    this.showSupertrend = true,
+    this.showPatterns = true,
+    this.showSignals = true,
+  });
+
+  AssetTechnicalLoaded copyWith({
+    TechnicalAnalysisModel? data,
+    Set<int>? disabledPatternIndices,
+    bool? showSma50,
+    bool? showSma200,
+    bool? showEma,
+    bool? showSupertrend,
+    bool? showPatterns,
+    bool? showSignals,
+  }) {
+    return AssetTechnicalLoaded(
+      data ?? this.data,
+      disabledPatternIndices: disabledPatternIndices ?? this.disabledPatternIndices,
+      showSma50: showSma50 ?? this.showSma50,
+      showSma200: showSma200 ?? this.showSma200,
+      showEma: showEma ?? this.showEma,
+      showSupertrend: showSupertrend ?? this.showSupertrend,
+      showPatterns: showPatterns ?? this.showPatterns,
+      showSignals: showSignals ?? this.showSignals,
+    );
   }
+}
+
 class AssetTechnicalError extends AssetTechnicalState {
   final String message;
   AssetTechnicalError(this.message);

FinlyticApp/lib/features/asset_detail/models/technical_analysis_model.dart

@@ -198,15 +198,16 @@ class ChartPatternModel extends Equatable {
 class TechnicalAnalysisModel extends Equatable {
   final String symbol;
   final String currency;
+  final double? currentPrice;
   final String trend;
   final String rsi;
   final String macd;
   final String overallSignal;
   final String sma50;
   final String sma200;
-  final double vix;
+  final double? vix;
-  final String sp500Trend;
+  final String? sp500Trend;
-  final double dxy;
+  final double? dxy;
   final double? stopLossAtr;
   final List<CandleModel> candles;
   final List<IndicatorModel> indicators;
@@ -216,15 +217,16 @@ class TechnicalAnalysisModel extends Equatable {
   const TechnicalAnalysisModel({
     required this.symbol,
     this.currency = 'EUR',
+    this.currentPrice,
     required this.trend,
     required this.rsi,
     required this.macd,
     required this.overallSignal,
     required this.sma50,
     required this.sma200,
-    this.vix = 16.5,
+    this.vix,
-    this.sp500Trend = 'Bullish',
+    this.sp500Trend,
-    this.dxy = 104.2,
+    this.dxy,
     this.stopLossAtr,
     this.candles = const [],
     this.indicators = const [],
@@ -245,7 +247,6 @@ class TechnicalAnalysisModel extends Equatable {
     var rawPatterns = json['patterns'] as List<dynamic>? ?? [];
     var patternsList = rawPatterns.map((p) => ChartPatternModel.fromJson(p as Map<String, dynamic>)).toList();
 
-
     final lastInd = indicatorsList.isNotEmpty ? indicatorsList.last : null;
     final regime = json['marketRegime'] as Map<String, dynamic>?;
 
@@ -259,17 +260,18 @@ class TechnicalAnalysisModel extends Equatable {
     }
 
     return TechnicalAnalysisModel(
-      symbol: json['symbol']?.toString() ?? json['isin']?.toString() ?? json['ticker']?.toString() ?? '',
+      symbol: json['symbol']?.toString() ?? '',
       currency: json['currency']?.toString() ?? 'EUR',
+      currentPrice: (json['currentPrice'] as num?)?.toDouble(),
       trend: parsedTrend,
       rsi: lastInd?.rsi14?.toStringAsFixed(1) ?? 'N/A',
       macd: lastInd?.macdHistogram?.toStringAsFixed(2) ?? lastInd?.macdLine?.toStringAsFixed(2) ?? 'N/A',
       overallSignal: parsedSignal,
       sma50: lastInd?.sma50?.toStringAsFixed(2) ?? 'N/A',
       sma200: lastInd?.sma200?.toStringAsFixed(2) ?? 'N/A',
-      vix: (regime?['vixValue'] as num?)?.toDouble() ?? 16.5,
+      vix: (regime?['vixValue'] as num?)?.toDouble(),
-      sp500Trend: regime?['marketTrend']?.toString() ?? 'Bullish',
+      sp500Trend: regime?['marketTrend']?.toString(),
-      dxy: (regime?['dxyValue'] as num?)?.toDouble() ?? 104.2,
+      dxy: (regime?['dxyValue'] as num?)?.toDouble(),
       stopLossAtr: lastInd?.recommendedStopLoss,
       candles: candlesList,
       indicators: indicatorsList,

FinlyticApp/lib/features/asset_detail/views/fullscreen_chart_screen.dart

@@ -0,0 +1,177 @@
+import 'package:flutter/material.dart';
+import 'package:flutter/services.dart';
+import 'package:flutter_bloc/flutter_bloc.dart';
+import '../../../core/theme/app_theme.dart';
+import '../bloc/technical/asset_technical_bloc.dart';
+import '../bloc/technical/asset_technical_event.dart';
+import '../bloc/technical/asset_technical_state.dart';
+import '../widgets/chart/candlestick_chart.dart';
+import '../widgets/technical/indicator_ribbon_bar.dart';
+
+class FullscreenChartScreen extends StatefulWidget {
+  final String isin;
+  final String? symbol;
+  final AssetTechnicalBloc technicalBloc;
+
+  const FullscreenChartScreen({
+    super.key,
+    required this.isin,
+    this.symbol,
+    required this.technicalBloc,
+  });
+
+  static Future<void> open(BuildContext context, {required String isin, String? symbol}) {
+    final bloc = context.read<AssetTechnicalBloc>();
+    return Navigator.of(context).push(
+      PageRouteBuilder(
+        opaque: true,
+        pageBuilder: (ctx, anim, secAnim) => FullscreenChartScreen(
+          isin: isin,
+          symbol: symbol,
+          technicalBloc: bloc,
+        ),
+        transitionsBuilder: (ctx, anim, secAnim, child) {
+          return FadeTransition(opacity: anim, child: child);
+        },
+      ),
+    );
+  }
+
+  @override
+  State<FullscreenChartScreen> createState() => _FullscreenChartScreenState();
+}
+
+class _FullscreenChartScreenState extends State<FullscreenChartScreen> {
+  @override
+  void initState() {
+    super.initState();
+    // Rotate to landscape on mobile devices
+    SystemChrome.setPreferredOrientations([
+      DeviceOrientation.landscapeLeft,
+      DeviceOrientation.landscapeRight,
+    ]);
+    SystemChrome.setEnabledSystemUIMode(SystemUiMode.immersiveSticky);
+  }
+
+  @override
+  void dispose() {
+    // Restore orientation back to default portrait/auto
+    SystemChrome.setPreferredOrientations([
+      DeviceOrientation.portraitUp,
+      DeviceOrientation.portraitDown,
+      DeviceOrientation.landscapeLeft,
+      DeviceOrientation.landscapeRight,
+    ]);
+    SystemChrome.setEnabledSystemUIMode(SystemUiMode.edgeToEdge);
+    super.dispose();
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    final theme = AppTheme.activePreset;
+
+    return BlocProvider.value(
+      value: widget.technicalBloc,
+      child: Scaffold(
+        backgroundColor: theme.darkBackground,
+        body: SafeArea(
+          child: BlocBuilder<AssetTechnicalBloc, AssetTechnicalState>(
+            builder: (context, state) {
+              if (state is AssetTechnicalLoading) {
+                return const Center(child: CircularProgressIndicator());
+              }
+
+              if (state is AssetTechnicalLoaded && state.data != null) {
+                final data = state.data!;
+                final activePatterns = <ChartPatternModel>[];
+                for (int i = 0; i < data.patterns.length; i++) {
+                  if (!state.disabledPatternIndices.contains(i)) {
+                    activePatterns.add(data.patterns[i]);
+                  }
+                }
+
+                return Column(
+                  children: [
+                    _buildHeader(context, theme, state),
+                    Expanded(
+                      child: LayoutBuilder(
+                        builder: (ctx, constraints) {
+                          return CandlestickChart(
+                            candles: data.candles,
+                            indicators: data.indicators,
+                            patterns: activePatterns,
+                            signals: data.signals,
+                            showSma50: state.showSma50,
+                            showSma200: state.showSma200,
+                            showEma: state.showEma,
+                            showPatterns: state.showPatterns,
+                            showSignals: state.showSignals,
+                            showSupertrend: state.showSupertrend,
+                            height: constraints.maxHeight,
+                            isFullscreen: true,
+                            onToggleFullscreen: () => Navigator.of(context).pop(),
+                          );
+                        },
+                      ),
+                    ),
+                  ],
+                );
+              }
+
+              return Center(
+                child: Text('Keine Chartdaten verfügbar', style: TextStyle(color: theme.textMuted)),
+              );
+            },
+          ),
+        ),
+      ),
+    );
+  }
+
+  Widget _buildHeader(BuildContext context, ThemePreset theme, AssetTechnicalLoaded state) {
+    return Container(
+      padding: const EdgeInsets.symmetric(horizontal: 12, vertical: 6),
+      decoration: BoxDecoration(
+        color: theme.cardSurface,
+        border: Border(bottom: BorderSide(color: theme.glassBorder)),
+      ),
+      child: Row(
+        children: [
+          IconButton(
+            icon: const Icon(Icons.arrow_back, size: 20, color: Colors.white70),
+            tooltip: 'Zurück',
+            onPressed: () => Navigator.of(context).pop(),
+          ),
+          const SizedBox(width: 4),
+          Text(
+            widget.symbol ?? widget.isin,
+            style: const TextStyle(fontWeight: FontWeight.bold, color: Colors.white, fontSize: 14),
+          ),
+          const SizedBox(width: 12),
+          Expanded(
+            child: IndicatorRibbonBar(
+              showSma50: state.showSma50,
+              showSma200: state.showSma200,
+              showEma: state.showEma,
+              showSupertrend: state.showSupertrend,
+              showPatterns: state.showPatterns,
+              showSignals: state.showSignals,
+              onToggleSma50: (v) => context.read<AssetTechnicalBloc>().add(ToggleIndicatorFilter(showSma50: v)),
+              onToggleSma200: (v) => context.read<AssetTechnicalBloc>().add(ToggleIndicatorFilter(showSma200: v)),
+              onToggleEma: (v) => context.read<AssetTechnicalBloc>().add(ToggleIndicatorFilter(showEma: v)),
+              onToggleSupertrend: (v) => context.read<AssetTechnicalBloc>().add(ToggleIndicatorFilter(showSupertrend: v)),
+              onTogglePatterns: (v) => context.read<AssetTechnicalBloc>().add(ToggleIndicatorFilter(showPatterns: v)),
+              onToggleSignals: (v) => context.read<AssetTechnicalBloc>().add(ToggleIndicatorFilter(showSignals: v)),
+            ),
+          ),
+          const SizedBox(width: 8),
+          IconButton(
+            icon: const Icon(Icons.fullscreen_exit, size: 22, color: Colors.white70),
+            tooltip: 'Vollbild beenden',
+            onPressed: () => Navigator.of(context).pop(),
+          ),
+        ],
+      ),
+    );
+  }
+}

FinlyticApp/lib/features/asset_detail/views/tabs/technical_tab.dart

@@ -1,18 +1,19 @@
 import 'package:flutter/material.dart';
-import 'package:intl/intl.dart';
 import 'package:flutter_bloc/flutter_bloc.dart';
 import '../../../../core/theme/app_theme.dart';
 import '../../../../core/widgets/glass_container.dart';
 import '../../../../core/widgets/shimmer_loading.dart';
-import '../../../../core/widgets/status_badge.dart';
 import '../../bloc/technical/asset_technical_bloc.dart';
 import '../../bloc/technical/asset_technical_event.dart';
 import '../../bloc/technical/asset_technical_state.dart';
-import '../../utils/metric_explanations.dart';
-import '../../utils/pattern_explanations.dart';
 import '../../widgets/chart/candlestick_chart.dart';
+import '../../widgets/technical/pattern_card_item.dart';
+import '../../widgets/technical/signal_card_item.dart';
+import '../../widgets/technical/indicator_ribbon_bar.dart';
 
-class TechnicalTab extends StatefulWidget {
+import '../fullscreen_chart_screen.dart';
+
+class TechnicalTab extends StatelessWidget {
   final String isin;
   final String? symbol;
   final bool isDesktopLeftPanel;
@@ -30,31 +31,6 @@ class TechnicalTab extends StatefulWidget {
     required this.isin,
   });
 
-  @override
-  State<TechnicalTab> createState() => _TechnicalTabState();
-}
-
-class _TechnicalTabState extends State<TechnicalTab> {
-  bool _showSma50 = true;
-  bool _showSma200 = true;
-  bool _showEma = true;
-  bool _showPatterns = true;
-  bool _showSignals = true;
-  bool _showSupertrend = true;
-
-  // Set of disabled pattern indices for individual toggling
-  final Set<int> _disabledPatternIndices = {};
-
-  @override
-  void initState() {
-    super.initState();
-  }
-
-  @override
-  void didUpdateWidget(covariant TechnicalTab oldWidget) {
-    super.didUpdateWidget(oldWidget);
-  }
-
   @override
   Widget build(BuildContext context) {
     return BlocBuilder<AssetTechnicalBloc, AssetTechnicalState>(
@@ -74,11 +50,13 @@ class _TechnicalTabState extends State<TechnicalTab> {
                   const SizedBox(height: 12),
                   Text(
                     'Fehler beim Laden der Technischen Analyse: ${state.message}',
-                      style: const TextStyle(color: Colors.white70)),
+                    style: const TextStyle(color: Colors.white70),
+                  ),
                   const SizedBox(height: 16),
                   ElevatedButton.icon(
                     onPressed: () => context.read<AssetTechnicalBloc>().add(
-                        LoadAssetTechnical(widget.isin, ticker: widget.symbol, forceRefresh: true)),
+                          LoadAssetTechnical(isin, ticker: symbol, forceRefresh: true),
+                        ),
                     icon: const Icon(Icons.refresh),
                     label: const Text('Erneut versuchen'),
                   ),
@@ -88,221 +66,91 @@ class _TechnicalTabState extends State<TechnicalTab> {
           );
         }
 
-        if (state is AssetTechnicalLoaded) {
+        if (state is AssetTechnicalLoaded && state.data != null) {
-          final data = state.data;
+          final data = state.data!;
-          List<CandleModel> candles = [];
+          final candles = data.candles;
-          List<ChartPatternModel> patterns = [];
+          final patterns = data.patterns;
-          List<StrategySignalModel> signals = [];
+          final signals = data.signals;
-          List<IndicatorModel> indicators = [];
+          final indicators = data.indicators;
 
-          if (data != null) {
+          final activePatterns = <ChartPatternModel>[];
-            candles = data.candles
+          for (int i = 0; i < patterns.length; i++) {
-                .map((c) => CandleModel(
+            if (!state.disabledPatternIndices.contains(i)) {
-                    time: c.timestamp,
+              activePatterns.add(patterns[i]);
-                    open: c.open,
+            }
-                    high: c.high,
-                    low: c.low,
-                    close: c.close,
-                    volume: c.volume))
-                .toList();
-            patterns = data.patterns
-                .map((p) => ChartPatternModel(
-                    type: p.type,
-                    upperLine: p.upperLine.map((pt) => PatternPoint(pt.time, pt.price)).toList(),
-                    lowerLine: p.lowerLine.map((pt) => PatternPoint(pt.time, pt.price)).toList(),
-                  ))
-                .toList();
-            signals = data.signals
-                .map((s) => StrategySignalModel(
-                    type: 'strategy',
-                    timestamp: s.date,
-                    direction: s.type,
-                    price: s.price,
-                    description: s.title))
-                .toList();
-            indicators = data.indicators
-                .map((i) => IndicatorModel(
-                    timestamp: i.timestamp,
-                    ema20: i.ema20,
-                    sma50: i.sma50,
-                    sma200: i.sma200,
-                    supertrendUpper: i.supertrendUpper,
-                    supertrendLower: i.supertrendLower,
-                    supertrendDirection: i.supertrendDirection))
-                .toList();
           }
 
-          // Filter patterns according to individual checkbox states
+          final chartWidget = CandlestickChart(
-          final activePatterns = [
-            for (int i = 0; i < patterns.length; i++)
-              if (!_disabledPatternIndices.contains(i)) patterns[i]
-          ];
-
-          final chartRibbon = GlassContainer(
-            padding: const EdgeInsets.symmetric(horizontal: 12, vertical: 8),
-            child: SingleChildScrollView(
-              scrollDirection: Axis.horizontal,
-              child: Row(
-                children: [
-                  _buildIndicatorChip(
-                      'EMA (20)',
-                      _showEma,
-                      (v) => setState(() => _showEma = v),
-                      Colors.blueAccent),
-                  const SizedBox(width: 6),
-                  _buildIndicatorChip(
-                      'SMA (50)',
-                      _showSma50,
-                      (v) => setState(() => _showSma50 = v),
-                      Colors.orangeAccent),
-                  const SizedBox(width: 6),
-                  _buildIndicatorChip(
-                      'SMA (200)',
-                      _showSma200,
-                      (v) => setState(() => _showSma200 = v),
-                      Colors.redAccent),
-                  const SizedBox(width: 6),
-                  _buildIndicatorChip(
-                      'Supertrend',
-                      _showSupertrend,
-                      (v) => setState(() => _showSupertrend = v),
-                      AppTheme.primaryEmerald),
-                  const SizedBox(width: 6),
-                  _buildIndicatorChip(
-                      'Alle Muster',
-                      _showPatterns,
-                      (v) => setState(() => _showPatterns = v),
-                      Colors.amberAccent),
-                  const SizedBox(width: 6),
-                  _buildIndicatorChip(
-                      'Signale',
-                      _showSignals,
-                      (v) => setState(() => _showSignals = v),
-                      AppTheme.accentCyan),
-                ],
-              ),
-            ),
-          );
-
-          final chartWidget = SizedBox(
-            height: widget.chartHeight,
-            width: double.infinity,
-            child: CandlestickChart(
             candles: candles,
+            indicators: indicators,
             patterns: activePatterns,
             signals: signals,
-              indicators: indicators,
+            showSma50: state.showSma50,
-              showPatterns: _showPatterns,
+            showSma200: state.showSma200,
-              showEma: _showEma,
+            showEma: state.showEma,
-              showSma50: _showSma50,
+            showPatterns: state.showPatterns,
-              showSma200: _showSma200,
+            showSignals: state.showSignals,
-              showSignals: _showSignals,
+            showSupertrend: state.showSupertrend,
-              showSupertrend: _showSupertrend,
+            height: chartHeight,
-            ),
+            onToggleFullscreen: () => FullscreenChartScreen.open(context, isin: isin, symbol: symbol),
           );
 
-          if (widget.showChartOnly) {
+          final chartRibbon = IndicatorRibbonBar(
+            showSma50: state.showSma50,
+            showSma200: state.showSma200,
+            showEma: state.showEma,
+            showSupertrend: state.showSupertrend,
+            showPatterns: state.showPatterns,
+            showSignals: state.showSignals,
+            onToggleSma50: (v) => context.read<AssetTechnicalBloc>().add(ToggleIndicatorFilter(showSma50: v)),
+            onToggleSma200: (v) => context.read<AssetTechnicalBloc>().add(ToggleIndicatorFilter(showSma200: v)),
+            onToggleEma: (v) => context.read<AssetTechnicalBloc>().add(ToggleIndicatorFilter(showEma: v)),
+            onToggleSupertrend: (v) => context.read<AssetTechnicalBloc>().add(ToggleIndicatorFilter(showSupertrend: v)),
+            onTogglePatterns: (v) => context.read<AssetTechnicalBloc>().add(ToggleIndicatorFilter(showPatterns: v)),
+            onToggleSignals: (v) => context.read<AssetTechnicalBloc>().add(ToggleIndicatorFilter(showSignals: v)),
+            onToggleFullscreen: () => FullscreenChartScreen.open(context, isin: isin, symbol: symbol),
+          );
+
+          if (showChartOnly) {
             return Column(
               crossAxisAlignment: CrossAxisAlignment.start,
               mainAxisSize: MainAxisSize.min,
               children: [
                 chartRibbon,
-                const SizedBox(height: 8),
+                const SizedBox(height: 10),
                 chartWidget,
               ],
             );
           }
 
-          final detailsSection = Padding(
+          final detailsSection = Column(
-            padding: const EdgeInsets.symmetric(horizontal: 16),
-            child: Column(
             crossAxisAlignment: CrossAxisAlignment.start,
             children: [
-                Row(
-                  mainAxisAlignment: MainAxisAlignment.spaceBetween,
-                  children: [
-                    Row(
-                      children: [
-                        Icon(Icons.architecture_outlined,
-                            color: AppTheme.primaryEmerald, size: 20),
-                        const SizedBox(width: 8),
-                        const Text('Erkannte Chart-Muster & Signale',
-                            style: TextStyle(
-                                fontSize: 16,
-                                fontWeight: FontWeight.bold,
-                                color: Colors.white)),
-                      ],
-                    ),
-                    if (patterns.isNotEmpty)
-                      TextButton.icon(
-                        onPressed: () {
-                          setState(() {
-                            if (_disabledPatternIndices.length ==
-                                patterns.length) {
-                              _disabledPatternIndices.clear();
-                            } else {
-                              _disabledPatternIndices.addAll(
-                                  List.generate(
-                                      patterns.length, (i) => i));
-                            }
-                          });
-                        },
-                        icon: Icon(
-                            _disabledPatternIndices.isEmpty
-                                ? Icons.deselect
-                                : Icons.select_all,
-                            size: 16,
-                            color: Colors.amberAccent),
-                        label: Text(
-                            _disabledPatternIndices.isEmpty
-                                ? 'Alle abwählen'
-                                : 'Alle anwählen',
-                            style: const TextStyle(
-                                color: Colors.amberAccent, fontSize: 12)),
-                      ),
-                  ],
-                ),
-                const SizedBox(height: 12),
-                if (patterns.isEmpty && signals.isEmpty)
-                  GlassContainer(
-                    padding: const EdgeInsets.all(16),
-                    child: Center(
-                      child: Text(
-                          'Zurzeit wurden keine akuten Formationen oder Strategie-Signale identifiziert.',
-                          style: TextStyle(
-                              color: AppTheme.textMuted, fontSize: 12)),
-                    ),
-                  )
-                else ...[
               if (patterns.isNotEmpty) ...[
-                    Text(
+                const Text('Erkannte Chartformationen & Muster', style: TextStyle(fontSize: 16, fontWeight: FontWeight.bold, color: Colors.white)),
-                        'Formationen & Trendlinien (Mit Checkbox im Chart schalten):',
+                const SizedBox(height: 8),
-                        style: TextStyle(
+                for (int i = 0; i < patterns.length; i++)
-                            color: AppTheme.textSecondary,
+                  PatternCardItem(
-                            fontWeight: FontWeight.w600,
+                    pattern: patterns[i],
-                            fontSize: 13)),
+                    index: i,
-                    const SizedBox(height: 6),
+                    isEnabled: !state.disabledPatternIndices.contains(i),
-                    ...List.generate(
+                    onToggle: (enabled) {
-                        patterns.length,
+                      context.read<AssetTechnicalBloc>().add(
-                        (index) =>
+                        TogglePatternFilter(patternIndex: i, enabled: enabled),
-                            _buildPatternCard(patterns[index], index)),
+                      );
-                    const SizedBox(height: 12),
+                    },
+                  ),
+                const SizedBox(height: 16),
               ],
               if (signals.isNotEmpty) ...[
-                    Text('Strategie-Signale:',
+                const Text('Strategische Kauf- & Verkaufssignale', style: TextStyle(fontSize: 16, fontWeight: FontWeight.bold, color: Colors.white)),
-                        style: TextStyle(
+                const SizedBox(height: 8),
-                            color: AppTheme.textSecondary,
+                for (final sig in signals) SignalCardItem(signal: sig),
-                            fontWeight: FontWeight.w600,
-                            fontSize: 13)),
-                    const SizedBox(height: 6),
-                    ...signals.map((s) => _buildSignalCard(s)),
               ],
             ],
-              ],
-            ),
           );
 
-          if (widget.showDetailsOnly) {
+          if (showDetailsOnly) {
             return SingleChildScrollView(
               padding: const EdgeInsets.symmetric(vertical: 16),
               child: detailsSection,
@@ -325,228 +173,26 @@ class _TechnicalTabState extends State<TechnicalTab> {
         }
 
         return Center(
-          child: Text('Keine technisches Indikatoren verfügbar',
+          child: Text('Keine technisches Indikatoren verfügbar', style: TextStyle(color: AppTheme.textMuted)),
-              style: TextStyle(color: AppTheme.textMuted)),
         );
       },
     );
   }
 
-  Widget _buildPatternCard(ChartPatternModel pattern, int index) {
-    final isEnabled = !_disabledPatternIndices.contains(index);
-    final patternColor = PatternExplanations.getColorForPattern(pattern.type);
-
-    final allPoints = [...pattern.upperLine, ...pattern.lowerLine];
-    DateTime? startDate;
-    DateTime? endDate;
-    if (allPoints.isNotEmpty) {
-      allPoints.sort((a, b) => a.time.compareTo(b.time));
-      startDate = allPoints.first.time;
-      endDate = allPoints.last.time;
-    }
-    
-    final dateFormat = DateFormat('dd.MM.yy');
-    final dateStr = startDate != null && endDate != null 
-        ? '${dateFormat.format(startDate)} - ${dateFormat.format(endDate)}' 
-        : 'Unbekannt';
-
-    return Padding(
-      padding: const EdgeInsets.only(bottom: 8),
-      child: GlassContainer(
-        padding: const EdgeInsets.symmetric(horizontal: 8, vertical: 6),
-        child: Row(
-          children: [
-            // Checkbox for individual pattern toggling on the chart
-            Checkbox(
-              value: isEnabled,
-              activeColor: patternColor,
-              checkColor: Colors.black,
-              side:
-                  BorderSide(color: patternColor.withValues(alpha: 0.6)),
-              onChanged: (bool? val) {
-                setState(() {
-                  if (val == true) {
-                    _disabledPatternIndices.remove(index);
-                  } else {
-                    _disabledPatternIndices.add(index);
-                  }
-                });
-              },
-            ),
-            Expanded(
-              child: InkWell(
-                onTap: () => PatternExplanations.showPatternDetails(
-                    context, pattern.type),
-                borderRadius: BorderRadius.circular(8),
-                child: Padding(
-                  padding:
-                      const EdgeInsets.symmetric(vertical: 4, horizontal: 4),
-                  child: Row(
-                    children: [
-                      Container(
-                        padding: const EdgeInsets.all(8),
-                        decoration: BoxDecoration(
-                          color: isEnabled
-                              ? patternColor.withValues(alpha: 0.15)
-                              : AppTheme.glassSurface,
-                          borderRadius: BorderRadius.circular(8),
-                        ),
-                        child: Icon(Icons.polyline_outlined,
-                            color: isEnabled
-                                ? patternColor
-                                : AppTheme.textMuted,
-                            size: 20),
-                      ),
-                      const SizedBox(width: 12),
-                      Expanded(
-                        child: Column(
-                          crossAxisAlignment: CrossAxisAlignment.start,
-                          children: [
-                            Row(
-                              children: [
-                                Text(
-                                  pattern.type,
-                                  style: TextStyle(
-                                    fontWeight: FontWeight.bold,
-                                    color: isEnabled
-                                        ? Colors.white
-                                        : AppTheme.textMuted,
-                                    fontSize: 14,
-                                    decoration: isEnabled
-                                        ? null
-                                        : TextDecoration.lineThrough,
-                                  ),
-                                ),
-                                const SizedBox(width: 6),
-                                Icon(Icons.info_outline,
-                                    size: 14, color: AppTheme.textMuted),
-                              ],
-                            ),
-                            Text(
-                              'Zeitraum: $dateStr\n'
-                              'Linien: Oben (${pattern.upperLine.length} Pkt.) / Unten (${pattern.lowerLine.length} Pkt.)',
-                              style: TextStyle(
-                                  color: AppTheme.textMuted, fontSize: 11, height: 1.3),
-                            ),
-                          ],
-                        ),
-                      ),
-                      StatusBadge(
-                        label: isEnabled ? 'AKTIV' : 'AUS',
-                        color:
-                            isEnabled ? patternColor : AppTheme.textMuted,
-                      ),
-                    ],
-                  ),
-                ),
-              ),
-            ),
-          ],
-        ),
-      ),
-    );
-  }
-
-  Widget _buildSignalCard(StrategySignalModel signal) {
-    final isBuy = signal.type.toUpperCase() == 'BUY';
-    final color = isBuy ? AppTheme.primaryEmerald : AppTheme.accentRed;
-
-    return Padding(
-      padding: const EdgeInsets.only(bottom: 8),
-      child: GlassContainer(
-        padding: const EdgeInsets.all(12),
-        child: Row(
-          children: [
-            Container(
-              padding: const EdgeInsets.all(8),
-              decoration: BoxDecoration(
-                color: color.withValues(alpha: 0.15),
-                borderRadius: BorderRadius.circular(8),
-              ),
-              child: Icon(isBuy ? Icons.north_east : Icons.south_east,
-                  color: color, size: 20),
-            ),
-            const SizedBox(width: 12),
-            Expanded(
-              child: Column(
-                crossAxisAlignment: CrossAxisAlignment.start,
-                children: [
-                  Row(
-                    children: [
-                      Text(signal.type.toUpperCase(),
-                          style: TextStyle(
-                              fontWeight: FontWeight.bold,
-                              color: color,
-                              fontSize: 14)),
-                      const SizedBox(width: 8),
-                      Text('@ €${signal.price.toStringAsFixed(2)}',
-                          style: const TextStyle(
-                              color: Colors.white,
-                              fontWeight: FontWeight.bold,
-                              fontSize: 13)),
-                    ],
-                  ),
-                  const SizedBox(height: 4),
-                  Text(
-                      signal.description.isNotEmpty
-                          ? signal.description
-                          : 'Strategisches Kaufsignal ausgelöst durch technische Indikatoren.',
-                      style: TextStyle(
-                          color: AppTheme.textSecondary, fontSize: 12)),
-                ],
-              ),
-            ),
-            StatusBadge(label: 'SIGNAL', color: color),
-          ],
-        ),
-      ),
-    );
-  }
-
-  Widget _buildIndicatorChip(String label, bool isSelected,
-      ValueChanged<bool> onChanged, Color color) {
-    return Row(
-      mainAxisSize: MainAxisSize.min,
-      children: [
-        FilterChip(
-          selected: isSelected,
-          label: Text(label,
-              style: TextStyle(
-                  color: isSelected ? Colors.black : color,
-                  fontSize: 11,
-                  fontWeight: FontWeight.bold)),
-          selectedColor: color,
-          backgroundColor: color.withValues(alpha: 0.15),
-          side: BorderSide(color: color.withValues(alpha: 0.4)),
-          showCheckmark: false,
-          onSelected: onChanged,
-        ),
-        InkWell(
-          onTap: () => MetricExplanations.show(context, label),
-          child: Padding(
-            padding: const EdgeInsets.symmetric(horizontal: 2),
-            child:
-                Icon(Icons.info_outline, size: 14, color: AppTheme.textMuted),
-          ),
-        ),
-      ],
-    );
-  }
-
   Widget _buildTechnicalShimmer(BuildContext context) {
-    if (widget.showChartOnly) {
+    if (showChartOnly) {
       return Column(
         crossAxisAlignment: CrossAxisAlignment.start,
         mainAxisSize: MainAxisSize.min,
         children: [
           const ShimmerLoading(width: double.infinity, height: 42, borderRadius: 12),
           const SizedBox(height: 8),
-          ShimmerLoading(width: double.infinity, height: widget.chartHeight, borderRadius: 16),
+          ShimmerLoading(width: double.infinity, height: chartHeight, borderRadius: 16),
         ],
       );
     }
 
-    if (widget.showDetailsOnly) {
+    if (showDetailsOnly) {
       return SingleChildScrollView(
         padding: const EdgeInsets.symmetric(horizontal: 16, vertical: 16),
         child: Column(
@@ -570,7 +216,7 @@ class _TechnicalTabState extends State<TechnicalTab> {
         children: [
           const ShimmerLoading(width: double.infinity, height: 42, borderRadius: 12),
           const SizedBox(height: 8),
-          ShimmerLoading(width: double.infinity, height: widget.chartHeight, borderRadius: 16),
+          ShimmerLoading(width: double.infinity, height: chartHeight, borderRadius: 16),
           const SizedBox(height: 16),
           const ShimmerLoading(width: 240, height: 20, borderRadius: 6),
           const SizedBox(height: 14),

FinlyticApp/lib/features/asset_detail/widgets/chart/candlestick_chart.dart

@@ -1,124 +1,25 @@
-import 'dart:math';
 import 'package:flutter/gestures.dart';
 import 'package:flutter/material.dart';
 import '../../../../core/theme/app_theme.dart';
-import '../../utils/pattern_explanations.dart';
+import '../../models/technical_analysis_model.dart';
+import 'candlestick_painter.dart';
 
-class CandleModel {
+export '../../models/technical_analysis_model.dart' show CandleModel, IndicatorModel, ChartPatternModel, PatternPoint, StrategySignalModel;
-  final DateTime time;
-  final double open;
-  final double high;
-  final double low;
-  final double close;
-  final double volume;
-
-  CandleModel({
-    required this.time,
-    required this.open,
-    required this.high,
-    required this.low,
-    required this.close,
-    required this.volume,
-  });
-
-  factory CandleModel.fromJson(Map<String, dynamic> json) {
-    return CandleModel(
-      time: DateTime.tryParse(json['timestamp'] ?? json['time'] ?? '') ?? DateTime.now(),
-      open: (json['open'] ?? 0).toDouble(),
-      high: (json['high'] ?? 0).toDouble(),
-      low: (json['low'] ?? 0).toDouble(),
-      close: (json['close'] ?? 0).toDouble(),
-      volume: (json['volume'] ?? 0).toDouble(),
-    );
-  }
-}
-
-class IndicatorModel {
-  final DateTime timestamp;
-  final double? ema20;
-  final double? sma50;
-  final double? sma200;
-  final double? supertrendUpper;
-  final double? supertrendLower;
-  final String? supertrendDirection;
-
-  IndicatorModel({
-    required this.timestamp,
-    this.ema20,
-    this.sma50,
-    this.sma200,
-    this.supertrendUpper,
-    this.supertrendLower,
-    this.supertrendDirection,
-  });
-
-  factory IndicatorModel.fromJson(Map<String, dynamic> json) {
-    return IndicatorModel(
-      timestamp: DateTime.tryParse(json['timestamp'] ?? '') ?? DateTime.now(),
-      ema20: json['ema20'] != null ? (json['ema20'] as num).toDouble() : null,
-      sma50: json['sma50'] != null ? (json['sma50'] as num).toDouble() : null,
-      sma200: json['sma200'] != null ? (json['sma200'] as num).toDouble() : null,
-      supertrendUpper: json['supertrendUpper'] != null ? (json['supertrendUpper'] as num).toDouble() : null,
-      supertrendLower: json['supertrendLower'] != null ? (json['supertrendLower'] as num).toDouble() : null,
-      supertrendDirection: json['supertrendDirection']?.toString(),
-    );
-  }
-}
-
-class PatternPoint {
-  final DateTime time;
-  final double price;
-  PatternPoint(this.time, this.price);
-  factory PatternPoint.fromJson(Map<String, dynamic> json) => PatternPoint(DateTime.tryParse(json['time'] ?? '') ?? DateTime.now(), (json['price'] as num).toDouble());
-}
-
-class ChartPatternModel {
-  final String type;
-  final List<PatternPoint> upperLine;
-  final List<PatternPoint> lowerLine;
-
-  ChartPatternModel({required this.type, required this.upperLine, required this.lowerLine});
-
-  factory ChartPatternModel.fromJson(Map<String, dynamic> json) {
-    return ChartPatternModel(
-      type: json['type'] ?? '',
-      upperLine: (json['upperLine'] as List<dynamic>? ?? []).map((e) => PatternPoint.fromJson(e)).toList(),
-      lowerLine: (json['lowerLine'] as List<dynamic>? ?? []).map((e) => PatternPoint.fromJson(e)).toList(),
-    );
-  }
-}
-
-class StrategySignalModel {
-  final String type;
-  final DateTime timestamp;
-  final String direction;
-  final double price;
-  final String description;
-
-  StrategySignalModel({required this.type, required this.timestamp, required this.direction, required this.price, required this.description});
-
-  factory StrategySignalModel.fromJson(Map<String, dynamic> json) {
-    return StrategySignalModel(
-      type: json['type'] ?? '',
-      timestamp: DateTime.tryParse(json['timestamp'] ?? '') ?? DateTime.now(),
-      direction: json['direction'] ?? '',
-      price: (json['price'] as num).toDouble(),
-      description: json['description'] ?? '',
-    );
-  }
-}
 
 class CandlestickChart extends StatefulWidget {
   final List<CandleModel> candles;
   final List<ChartPatternModel> patterns;
   final List<StrategySignalModel> signals;
   final List<IndicatorModel> indicators;
-  final bool showPatterns;
   final bool showSma50;
   final bool showSma200;
   final bool showEma;
+  final bool showPatterns;
   final bool showSignals;
   final bool showSupertrend;
+  final double height;
+  final bool isFullscreen;
+  final VoidCallback? onToggleFullscreen;
 
   const CandlestickChart({
     super.key,
@@ -126,12 +27,15 @@ class CandlestickChart extends StatefulWidget {
     this.patterns = const [],
     this.signals = const [],
     this.indicators = const [],
-    this.showPatterns = true,
     this.showSma50 = true,
     this.showSma200 = true,
     this.showEma = true,
+    this.showPatterns = true,
     this.showSignals = true,
     this.showSupertrend = true,
+    this.height = 420,
+    this.isFullscreen = false,
+    this.onToggleFullscreen,
   });
 
   @override
@@ -141,81 +45,142 @@ class CandlestickChart extends StatefulWidget {
 class _CandlestickChartState extends State<CandlestickChart> {
   double _scale = 1.0;
   double _panOffset = 0.0;
-  
+  double _baseScale = 1.0;
+  double _basePanOffset = 0.0;
+  Offset _startFocalPoint = Offset.zero;
+  bool _isDragging = false;
   Offset? _tapPosition;
   CandleModel? _selectedCandle;
 
   @override
-  Widget build(BuildContext context) {
+  void initState() {
-    if (widget.candles.isEmpty) {
+    super.initState();
-      return const Center(child: Text('No chart data'));
+    WidgetsBinding.instance.addPostFrameCallback((_) {
+      _fitLatestCandles();
+    });
   }
 
+  @override
+  void didUpdateWidget(covariant CandlestickChart oldWidget) {
+    super.didUpdateWidget(oldWidget);
+    if (oldWidget.candles.length != widget.candles.length) {
+      WidgetsBinding.instance.addPostFrameCallback((_) {
+        _fitLatestCandles();
+      });
+    }
+  }
+
+  void _fitLatestCandles() {
+    if (widget.candles.isEmpty || !mounted) return;
+    final renderBox = context.findRenderObject() as RenderBox?;
+    final width = (renderBox?.size.width ?? 600) - 60;
+    final double candleWidth = 10.0 * _scale;
+    final double totalCandleSpace = candleWidth + (5.0 * _scale);
+    final double futureSpace = totalCandleSpace * 10;
+    final double totalWidth = (widget.candles.length * totalCandleSpace) + futureSpace;
+    
+    setState(() {
+      if (totalWidth > width) {
+        _panOffset = width - totalWidth;
+      } else {
+        _panOffset = 0.0;
+      }
+    });
+  }
+
+  void _applyZoom(double factor, [double? focalX]) {
+    if (widget.candles.isEmpty || !mounted) return;
+    final renderBox = context.findRenderObject() as RenderBox?;
+    final chartWidth = (renderBox?.size.width ?? 600) - 60;
+    final fx = focalX ?? (chartWidth / 2);
+
+    setState(() {
+      final oldScale = _scale;
+      _scale = (_scale * factor).clamp(0.1, 6.0);
+      _panOffset = fx - ((fx - _panOffset) * (_scale / oldScale));
+      _clampPanOffset(chartWidth);
+    });
+  }
+
+  void _clampPanOffset(double chartWidth) {
+    if (widget.candles.isEmpty) return;
+    final double totalCandleSpace = (10.0 + 5.0) * _scale;
+    final double totalWidth = (widget.candles.length * totalCandleSpace) + (totalCandleSpace * 10);
+
+    if (totalWidth <= chartWidth) {
+      _panOffset = 0.0;
+    } else {
+      final double minPan = chartWidth - totalWidth - 30;
+      const double maxPan = 30.0;
+      _panOffset = _panOffset.clamp(minPan, maxPan);
+    }
+  }
+
+  @override
+  Widget build(BuildContext context) {
     final theme = AppTheme.activePreset;
 
-    return LayoutBuilder(
+    return Container(
-      builder: (context, constraints) {
+      height: widget.height,
-        final double baseWidth = 10.0;
+      decoration: BoxDecoration(
-        final double spacing = 5.0;
+        color: theme.cardSurface,
-        final double totalCandleSpace = (baseWidth + spacing) * _scale;
+        borderRadius: BorderRadius.circular(16),
-        final double totalContentWidth = (widget.candles.length + 15) * totalCandleSpace;
+        border: Border.all(color: theme.glassBorder),
-
+      ),
-        final double minOffset = constraints.maxWidth - totalContentWidth - 60.0;
+      child: ClipRRect(
-        final double maxOffset = 100.0;
+        borderRadius: BorderRadius.circular(16),
-
+        child: Listener(
-        _panOffset = _panOffset.clamp(minOffset < maxOffset ? minOffset : maxOffset, maxOffset);
-
-        return Listener(
           onPointerSignal: (pointerSignal) {
             if (pointerSignal is PointerScrollEvent) {
-              GestureBinding.instance.pointerSignalResolver.register(
+              if (pointerSignal.scrollDelta.dx != 0) {
-                pointerSignal,
+                final renderBox = context.findRenderObject() as RenderBox?;
-                (event) {
+                final chartWidth = (renderBox?.size.width ?? 600) - 60;
-                  if (event is PointerScrollEvent) {
                 setState(() {
-                      final double localX = event.localPosition.dx;
+                  _panOffset -= pointerSignal.scrollDelta.dx;
-                      final double zoomFactor = event.scrollDelta.dy > 0 ? 0.9 : 1.1;
+                  _clampPanOffset(chartWidth);
-                      final double newScale = (_scale * zoomFactor).clamp(0.2, 5.0);
-                      final double scaleRatio = newScale / _scale;
-
-                      // Zoom centered on cursor
-                      _panOffset = localX - (localX - _panOffset) * scaleRatio;
-                      _scale = newScale;
-
-                      final double updatedCandleSpace = (baseWidth + spacing) * _scale;
-                      final double updatedContentWidth = (widget.candles.length + 15) * updatedCandleSpace;
-                      final double newMinOffset = constraints.maxWidth - updatedContentWidth - 60.0;
-                      _panOffset = _panOffset.clamp(newMinOffset < maxOffset ? newMinOffset : maxOffset, maxOffset);
                 });
+              } else if (pointerSignal.scrollDelta.dy != 0) {
+                final zoomFactor = pointerSignal.scrollDelta.dy < 0 ? 1.15 : 0.85;
+                _applyZoom(zoomFactor, pointerSignal.localPosition.dx);
+              }
             }
           },
-              );
+          child: MouseRegion(
-            }
+            cursor: _isDragging ? SystemMouseCursors.grabbing : SystemMouseCursors.grab,
-          },
             child: GestureDetector(
+              behavior: HitTestBehavior.opaque,
+              onScaleStart: (details) {
+                _baseScale = _scale;
+                _basePanOffset = _panOffset;
+                _startFocalPoint = details.focalPoint;
+                setState(() => _isDragging = true);
+              },
               onScaleUpdate: (details) {
+                final renderBox = context.findRenderObject() as RenderBox?;
+                final chartWidth = (renderBox?.size.width ?? 600) - 60;
                 setState(() {
-                _scale = (_scale * details.scale).clamp(0.2, 5.0);
+                  if (details.scale != 1.0) {
-                _panOffset += details.focalPointDelta.dx;
+                    final oldScale = _scale;
-                _panOffset = _panOffset.clamp(minOffset, maxOffset);
+                    _scale = (_baseScale * details.scale).clamp(0.1, 6.0);
-                if (_tapPosition != null) {
+                    final fx = details.localFocalPoint.dx;
-                  _handleTap(Offset(_tapPosition!.dx + details.focalPointDelta.dx, _tapPosition!.dy), constraints.maxWidth);
+                    _panOffset = fx - ((fx - _basePanOffset) * (_scale / oldScale));
+                  } else {
+                    _panOffset = _basePanOffset + (details.focalPoint.dx - _startFocalPoint.dx);
                   }
+                  _clampPanOffset(chartWidth);
                 });
               },
-            onScaleEnd: (_) => setState(() {
+              onScaleEnd: (details) {
-              _tapPosition = null;
+                setState(() => _isDragging = false);
-              _selectedCandle = null;
+              },
-            }),
               onTapDown: (details) {
-              _handleTap(details.localPosition, constraints.maxWidth);
+                _handleTap(details.localPosition);
               },
               child: Stack(
                 children: [
-                ClipRect(
+                  CustomPaint(
-                  child: CustomPaint(
                     size: Size.infinite,
-                    painter: _CandlePainter(
+                    painter: CandlestickPainter(
                       candles: widget.candles,
                       patterns: widget.patterns,
                       signals: widget.signals,
@@ -232,74 +197,76 @@ class _CandlestickChartState extends State<CandlestickChart> {
                       tapPosition: _tapPosition,
                     ),
                   ),
-                ),
                   if (_selectedCandle != null) _buildTooltip(theme),
-                // Floating Zoom & Pan Controls (Top-Left)
+                  _buildZoomControls(theme),
-                Positioned(
-                  left: 12,
-                  top: 12,
-                  child: Container(
-                    padding: const EdgeInsets.symmetric(horizontal: 4, vertical: 4),
-                    decoration: BoxDecoration(
-                      color: theme.cardSurface.withValues(alpha: 0.85),
-                      borderRadius: BorderRadius.circular(20),
-                      border: Border.all(color: theme.glassBorder),
-                    ),
-                    child: Row(
-                      mainAxisSize: MainAxisSize.min,
-                      children: [
-                        IconButton(
-                          icon: const Icon(Icons.zoom_in, size: 18),
-                          color: theme.primaryColor,
-                          padding: EdgeInsets.zero,
-                          constraints: const BoxConstraints(minWidth: 32, minHeight: 32),
-                          onPressed: () => setState(() => _scale = (_scale * 1.25).clamp(0.2, 5.0)),
-                          tooltip: 'Zoom In',
-                        ),
-                        IconButton(
-                          icon: const Icon(Icons.zoom_out, size: 18),
-                          color: theme.primaryColor,
-                          padding: EdgeInsets.zero,
-                          constraints: const BoxConstraints(minWidth: 32, minHeight: 32),
-                          onPressed: () => setState(() => _scale = (_scale * 0.8).clamp(0.2, 5.0)),
-                          tooltip: 'Zoom Out',
-                        ),
-                        IconButton(
-                          icon: const Icon(Icons.center_focus_strong, size: 18),
-                          color: theme.textMuted,
-                          padding: EdgeInsets.zero,
-                          constraints: const BoxConstraints(minWidth: 32, minHeight: 32),
-                          onPressed: () => setState(() {
-                            _scale = 1.0;
-                            _panOffset = 0.0;
-                          }),
-                          tooltip: 'Reset Zoom & Pan',
-                        ),
                 ],
               ),
             ),
           ),
-              ],
         ),
       ),
     );
-      },
-    );
   }
 
-  void _handleTap(Offset pos, double width) {
+  Widget _buildZoomControls(ThemePreset theme) {
+    return Positioned(
+      right: 10,
+      bottom: 28,
+      child: Container(
+        decoration: BoxDecoration(
+          color: theme.cardSurface.withValues(alpha: 0.9),
+          borderRadius: BorderRadius.circular(8),
+          border: Border.all(color: theme.glassBorder),
+        ),
+        padding: const EdgeInsets.symmetric(horizontal: 2, vertical: 2),
+        child: Row(
+          mainAxisSize: MainAxisSize.min,
+          children: [
+            _buildZoomButton(icon: Icons.chevron_left, tooltip: 'Nach links bewegen', onTap: () {
+              final renderBox = context.findRenderObject() as RenderBox?;
+              setState(() { _panOffset += 150; _clampPanOffset((renderBox?.size.width ?? 600) - 60); });
+            }),
+            _buildZoomButton(icon: Icons.chevron_right, tooltip: 'Nach rechts bewegen', onTap: () {
+              final renderBox = context.findRenderObject() as RenderBox?;
+              setState(() { _panOffset -= 150; _clampPanOffset((renderBox?.size.width ?? 600) - 60); });
+            }),
+            Container(width: 1, height: 16, color: theme.glassBorder),
+            _buildZoomButton(icon: Icons.add, tooltip: 'Vergrößern', onTap: () => _applyZoom(1.25)),
+            _buildZoomButton(icon: Icons.remove, tooltip: 'Verkleinern', onTap: () => _applyZoom(0.8)),
+            _buildZoomButton(icon: Icons.fit_screen_outlined, tooltip: 'Aktuelle Kerzen einpassen', onTap: _fitLatestCandles),
+            _buildZoomButton(icon: Icons.refresh, tooltip: 'Zoom 1:1 zurücksetzen', onTap: () { setState(() => _scale = 1.0); _fitLatestCandles(); }),
+            if (widget.onToggleFullscreen != null) ...[
+              Container(width: 1, height: 16, color: theme.glassBorder),
+              _buildZoomButton(
+                icon: widget.isFullscreen ? Icons.fullscreen_exit : Icons.fullscreen,
+                tooltip: widget.isFullscreen ? 'Vollbild beenden' : 'Vollbildmodus (Querformat)',
+                onTap: widget.onToggleFullscreen!,
+              ),
+            ],
+          ],
+        ),
+      ),
+    );
+  }
+
+  Widget _buildZoomButton({required IconData icon, required String tooltip, required VoidCallback onTap}) {
+    return Tooltip(
+      message: tooltip,
+      child: InkWell(
+        onTap: onTap,
+        borderRadius: BorderRadius.circular(6),
+        child: Padding(
+          padding: const EdgeInsets.all(6),
+          child: Icon(icon, size: 16, color: Colors.white70),
+        ),
+      ),
+    );
+  }
+
+  void _handleTap(Offset pos) {
     if (widget.candles.isEmpty) return;
-    
+    final double candleWidth = 10.0 * _scale;
-    // Right side is for axis, don't tap there
+    final double totalCandleSpace = candleWidth + (5.0 * _scale);
-    if (pos.dx > width - 60) return;
-
-    final double baseWidth = 10.0;
-    final double spacing = 5.0;
-    final double candleWidth = baseWidth * _scale;
-    final double totalCandleSpace = candleWidth + (spacing * _scale);
-
-    // dx = (i * totalCandleSpace) + _panOffset;
-    // (dx - _panOffset) / totalCandleSpace = i;
     final int index = ((pos.dx - _panOffset) / totalCandleSpace).round();
 
     if (index >= 0 && index < widget.candles.length) {
@@ -311,8 +278,8 @@ class _CandlestickChartState extends State<CandlestickChart> {
   }
 
   Widget _buildTooltip(ThemePreset theme) {
-    final candle = _selectedCandle!;
+    final c = _selectedCandle!;
-    final dateStr = "${candle.time.year}-${candle.time.month.toString().padLeft(2,'0')}-${candle.time.day.toString().padLeft(2,'0')}";
+    final dStr = "${c.timestamp.year}-${c.timestamp.month.toString().padLeft(2, '0')}-${c.timestamp.day.toString().padLeft(2, '0')}";
 
     return Positioned(
       left: 10,
@@ -328,492 +295,12 @@ class _CandlestickChartState extends State<CandlestickChart> {
           crossAxisAlignment: CrossAxisAlignment.start,
           mainAxisSize: MainAxisSize.min,
           children: [
-            Text(dateStr, style: TextStyle(color: theme.textMuted, fontSize: 12)),
+            Text(dStr, style: TextStyle(color: theme.textMuted, fontSize: 12)),
-            Text('O: ${candle.open.toStringAsFixed(2)}', style: TextStyle(color: theme.textPrimary, fontSize: 12)),
+            Text('O: ${c.open.toStringAsFixed(2)} | H: ${c.high.toStringAsFixed(2)} | L: ${c.low.toStringAsFixed(2)} | C: ${c.close.toStringAsFixed(2)}', style: TextStyle(color: theme.textPrimary, fontSize: 12)),
-            Text('H: ${candle.high.toStringAsFixed(2)}', style: TextStyle(color: theme.textPrimary, fontSize: 12)),
+            Text('Vol: ${c.volume.toStringAsFixed(0)}', style: TextStyle(color: theme.textSecondary, fontSize: 11)),
-            Text('L: ${candle.low.toStringAsFixed(2)}', style: TextStyle(color: theme.textPrimary, fontSize: 12)),
-            Text('C: ${candle.close.toStringAsFixed(2)}', style: TextStyle(color: theme.textPrimary, fontSize: 12)),
-            Text('Vol: ${candle.volume.toStringAsFixed(0)}', style: TextStyle(color: theme.textPrimary, fontSize: 12)),
           ],
         ),
       ),
     );
   }
 }
-
-class _CandlePainter extends CustomPainter {
-  final List<CandleModel> candles;
-  final List<ChartPatternModel> patterns;
-  final List<StrategySignalModel> signals;
-  final List<IndicatorModel> indicators;
-  final double scale;
-  final double panOffset;
-  final ThemePreset theme;
-  final bool showPatterns;
-  final bool showSma50;
-  final bool showSma200;
-  final bool showEma;
-  final bool showSignals;
-  final bool showSupertrend;
-  final Offset? tapPosition;
-
-  final double rightPadding = 60.0; // Space for price axis
-  final double bottomPadding = 20.0; // Space for X-axis labels
-
-  _CandlePainter({
-    required this.candles,
-    required this.patterns,
-    required this.signals,
-    required this.indicators,
-    required this.scale,
-    required this.panOffset,
-    required this.theme,
-    required this.showPatterns,
-    required this.showSma50,
-    required this.showSma200,
-    required this.showEma,
-    required this.showSignals,
-    required this.showSupertrend,
-    this.tapPosition,
-  });
-
-  @override
-  void paint(Canvas canvas, Size size) {
-    if (candles.isEmpty) return;
-
-    final double chartWidth = size.width - rightPadding;
-    final double baseWidth = 10.0;
-    final double spacing = 5.0;
-    final double candleWidth = baseWidth * scale;
-    final double totalCandleSpace = candleWidth + (spacing * scale);
-
-    double maxPrice = 0;
-    double minPrice = double.infinity;
-
-    // Find min/max in view
-    int firstVisibleIndex = -1;
-    for (int i = 0; i < candles.length; i++) {
-      final dx = (i * totalCandleSpace) + panOffset;
-      if (dx + candleWidth > 0 && dx < chartWidth) {
-        if (firstVisibleIndex == -1) firstVisibleIndex = i;
-        final c = candles[i];
-        if (c.high > maxPrice) maxPrice = c.high;
-        if (c.low < minPrice) minPrice = c.low;
-      }
-    }
-
-    if (minPrice == double.infinity || maxPrice == 0) return;
-
-    // Add 10% padding to top/bottom
-    final range = maxPrice - minPrice;
-    maxPrice += range * 0.1;
-    minPrice -= range * 0.1;
-    final paddedRange = maxPrice - minPrice;
-    if (paddedRange <= 0) return;
-
-    final double chartHeight = size.height - bottomPadding;
-    final double volumeHeight = chartHeight * 0.15; // Bottom 15% for volume
-    final double candleAreaHeight = chartHeight - volumeHeight;
-
-    double maxVolume = 0;
-    for (int i = 0; i < candles.length; i++) {
-      if (candles[i].volume > maxVolume) maxVolume = candles[i].volume;
-    }
-    if (maxVolume == 0) maxVolume = 1;
-
-    _drawGridAndAxis(canvas, size, chartWidth, candleAreaHeight, minPrice, maxPrice, paddedRange);
-
-    final paintBullish = Paint()..color = theme.primaryColor..style = PaintingStyle.fill;
-    final paintBearish = Paint()..color = theme.accentRed..style = PaintingStyle.fill;
-    final paintWickBullish = Paint()..color = theme.primaryColor..strokeWidth = 1.5;
-    final paintWickBearish = Paint()..color = theme.accentRed..strokeWidth = 1.5;
-
-    final ema20Path = Path();
-    final sma50Path = Path();
-    final sma200Path = Path();
-    final supertrendPath = Path();
-    bool firstEma20 = true;
-    bool firstSma50 = true;
-    bool firstSma200 = true;
-    bool firstSupertrend = true;
-
-    // Map DateTime to X for patterns and signals
-    double getXForTime(DateTime t) {
-      int bestIndex = 0;
-      int minDiff = 999999999;
-      for (int i = 0; i < candles.length; i++) {
-        final diff = candles[i].time.difference(t).inSeconds.abs();
-        if (diff < minDiff) {
-          minDiff = diff;
-          bestIndex = i;
-        }
-      }
-      return (bestIndex * totalCandleSpace) + panOffset + candleWidth / 2;
-    }
-    
-    double getYForPrice(double price) {
-      return candleAreaHeight - ((price - minPrice) / paddedRange) * candleAreaHeight;
-    }
-
-    // Clip to chart area so we don't draw over the axis
-    canvas.save();
-    canvas.clipRect(Rect.fromLTWH(0, 0, chartWidth, chartHeight));
-
-    for (int i = 0; i < candles.length; i++) {
-      final candle = candles[i];
-      final isBullish = candle.close >= candle.open;
-      
-      final dx = (i * totalCandleSpace) + panOffset;
-      if (dx < -candleWidth || dx > chartWidth) continue; // Culling
-
-      final yHigh = getYForPrice(candle.high);
-      final yLow = getYForPrice(candle.low);
-      final yOpen = getYForPrice(candle.open);
-      final yClose = getYForPrice(candle.close);
-
-      // Draw Wick
-      canvas.drawLine(
-        Offset(dx + candleWidth / 2, yHigh),
-        Offset(dx + candleWidth / 2, yLow),
-        isBullish ? paintWickBullish : paintWickBearish,
-      );
-
-      // Draw Body
-      final top = min(yOpen, yClose);
-      final bottom = max(yOpen, yClose);
-      final bodyHeight = max(bottom - top, 1.0); // minimum 1px height
-      
-      canvas.drawRect(
-        Rect.fromLTWH(dx, top, candleWidth, bodyHeight),
-        isBullish ? paintBullish : paintBearish,
-      );
-
-      // Draw Volume
-      final vHeight = (candle.volume / maxVolume) * volumeHeight;
-      final vTop = chartHeight - vHeight;
-      canvas.drawRect(
-        Rect.fromLTWH(dx, vTop, candleWidth, vHeight),
-        Paint()..color = (isBullish ? theme.primaryColor : theme.accentRed).withValues(alpha: 0.3)..style = PaintingStyle.fill,
-      );
-
-      // Indicators mapping by time
-      if (indicators.isNotEmpty) {
-        final cx = dx + candleWidth / 2;
-        IndicatorModel? match;
-        for (var ind in indicators) {
-          if (ind.timestamp.isAtSameMomentAs(candle.time) || ind.timestamp.difference(candle.time).inHours.abs() < 12) {
-            match = ind;
-            break;
-          }
-        }
-        
-        if (match != null) {
-          if (showEma && match.ema20 != null) {
-            final y = getYForPrice(match.ema20!);
-            if (firstEma20) { ema20Path.moveTo(cx, y); firstEma20 = false; }
-            else { ema20Path.lineTo(cx, y); }
-          }
-          if (showSma50 && match.sma50 != null) {
-            final y = getYForPrice(match.sma50!);
-            if (firstSma50) { sma50Path.moveTo(cx, y); firstSma50 = false; }
-            else { sma50Path.lineTo(cx, y); }
-          }
-          if (showSma200 && match.sma200 != null) {
-            final y = getYForPrice(match.sma200!);
-            if (firstSma200) { sma200Path.moveTo(cx, y); firstSma200 = false; }
-            else { sma200Path.lineTo(cx, y); }
-          }
-
-          if (showSupertrend) {
-            final stVal = match.supertrendDirection == 'BULLISH' ? match.supertrendLower : match.supertrendUpper;
-            if (stVal != null) {
-              final y = getYForPrice(stVal);
-              if (firstSupertrend) { supertrendPath.moveTo(cx, y); firstSupertrend = false; }
-              else { supertrendPath.lineTo(cx, y); }
-            }
-          }
-        }
-      }
-    }
-
-    if (showEma && !firstEma20) {
-      canvas.drawPath(ema20Path, Paint()..color = Colors.blueAccent..style = PaintingStyle.stroke..strokeWidth = 1.5);
-    }
-    if (showSma50 && !firstSma50) {
-      canvas.drawPath(sma50Path, Paint()..color = Colors.orangeAccent..style = PaintingStyle.stroke..strokeWidth = 1.5);
-    }
-    if (showSma200 && !firstSma200) {
-      canvas.drawPath(sma200Path, Paint()..color = Colors.redAccent..style = PaintingStyle.stroke..strokeWidth = 2.0);
-    }
-    if (showSupertrend && !firstSupertrend) {
-      canvas.drawPath(supertrendPath, Paint()..color = AppTheme.primaryEmerald..style = PaintingStyle.stroke..strokeWidth = 2.0);
-    }
-
-    if (showPatterns) {
-      _drawPatterns(canvas, getXForTime, getYForPrice);
-      _drawFutureProjectionZone(canvas, size, chartWidth, candleAreaHeight, getXForTime, getYForPrice);
-    }
-
-    if (showSignals) {
-      _drawSignals(canvas, getXForTime, getYForPrice);
-    }
-
-    if (tapPosition != null && tapPosition!.dx < chartWidth) {
-      _drawCrosshair(canvas, size, chartWidth, chartHeight);
-    }
-
-    canvas.restore(); // Restore clip
-  }
-
-  void _drawFutureProjectionZone(Canvas canvas, Size size, double chartWidth, double candleAreaHeight, double Function(DateTime) getX, double Function(double) getY) {
-    if (candles.isEmpty) return;
-
-    final lastCandle = candles.last;
-    final double lastX = getX(lastCandle.time);
-
-    if (lastX < chartWidth) {
-      // 1. Shaded background for Future Zone (No divider line)
-      final futureRect = Rect.fromLTRB(lastX, 0, chartWidth, candleAreaHeight);
-      final futureBgPaint = Paint()
-        ..color = const Color(0xFF001F3F).withValues(alpha: 0.25)
-        ..style = PaintingStyle.fill;
-      canvas.drawRect(futureRect, futureBgPaint);
-
-      // Label for Future Zone
-      final textPainter = TextPainter(textDirection: TextDirection.ltr);
-      textPainter.text = TextSpan(
-        text: 'PROGNOSE (MUSTER-SCHÄTZUNG)',
-        style: TextStyle(color: theme.primaryColor, fontSize: 9, fontWeight: FontWeight.bold, letterSpacing: 0.8),
-      );
-      textPainter.layout();
-      textPainter.paint(canvas, Offset(lastX + 8, 8));
-
-      // 2. Projected Ghost Candles & Target Line for active patterns
-      for (var pattern in patterns) {
-        if (pattern.lowerLine.isNotEmpty || pattern.upperLine.isNotEmpty) {
-          final targetPrice = pattern.lowerLine.isNotEmpty ? pattern.lowerLine.last.price : (pattern.upperLine.isNotEmpty ? pattern.upperLine.last.price : 0);
-          if (targetPrice > 0) {
-            final targetY = getY(targetPrice.toDouble());
-            final int numSteps = 10;
-            final double stepWidth = (chartWidth - lastX - 30) / numSteps;
-            if (stepWidth <= 0) continue;
-
-            final isBullish = targetPrice >= lastCandle.close;
-            final projColor = isBullish ? Colors.greenAccent : Colors.redAccent;
-
-            double currX = lastX;
-            double currPrice = lastCandle.close;
-
-            final double priceDeltaPerStep = (targetPrice - lastCandle.close) / numSteps;
-
-            for (int k = 1; k <= numSteps; k++) {
-              final nextX = lastX + k * stepWidth;
-              final waveNoise = sin(k * 0.8) * (priceDeltaPerStep.abs() * 0.3);
-              final nextPrice = lastCandle.close + (priceDeltaPerStep * k) + waveNoise;
-
-              final highPrice = max(currPrice, nextPrice) + priceDeltaPerStep.abs() * 0.2;
-              final lowPrice = min(currPrice, nextPrice) - priceDeltaPerStep.abs() * 0.2;
-
-              final yOpen = getY(currPrice);
-              final yClose = getY(nextPrice);
-              final yHigh = getY(highPrice);
-              final yLow = getY(lowPrice);
-
-              final cWidth = max(stepWidth * 0.6, 3.0);
-              final cLeft = nextX - cWidth / 2;
-
-              final isStepBullish = nextPrice >= currPrice;
-              final stepColor = isStepBullish ? Colors.greenAccent : Colors.redAccent;
-
-              // Draw Ghost Candle Wick
-              canvas.drawLine(
-                Offset(nextX, yHigh),
-                Offset(nextX, yLow),
-                Paint()..color = stepColor.withValues(alpha: 0.4)..strokeWidth = 1.0,
-              );
-
-              // Draw Ghost Candle Body
-              final top = min(yOpen, yClose);
-              final bottom = max(yOpen, yClose);
-              canvas.drawRect(
-                Rect.fromLTWH(cLeft, top, cWidth, max(bottom - top, 1.0)),
-                Paint()..color = stepColor.withValues(alpha: 0.35)..style = PaintingStyle.fill,
-              );
-
-              currX = nextX;
-              currPrice = nextPrice;
-            }
-
-            // Target Price Badge at final step
-            final targetX = currX;
-            final targetBadgePainter = TextPainter(
-              text: TextSpan(
-                text: ' ZIEL: ${targetPrice.toStringAsFixed(2)} € ',
-                style: const TextStyle(color: Colors.white, fontSize: 10, fontWeight: FontWeight.bold),
-              ),
-              textDirection: TextDirection.ltr,
-            );
-            targetBadgePainter.layout();
-
-            final badgeRect = RRect.fromLTRBR(
-              targetX - targetBadgePainter.width / 2,
-              targetY - targetBadgePainter.height / 2 - 2,
-              targetX + targetBadgePainter.width / 2,
-              targetY + targetBadgePainter.height / 2 + 2,
-              const Radius.circular(6),
-            );
-            canvas.drawRRect(badgeRect, Paint()..color = projColor.withValues(alpha: 0.9));
-            targetBadgePainter.paint(canvas, Offset(targetX - targetBadgePainter.width / 2, targetY - targetBadgePainter.height / 2));
-          }
-        }
-      }
-    }
-  }
-
-  void _drawGridAndAxis(Canvas canvas, Size size, double chartWidth, double candleAreaHeight, double minPrice, double maxPrice, double range) {
-    final gridPaint = Paint()
-      ..color = theme.glassBorder
-      ..strokeWidth = 1;
-      
-    final textPainter = TextPainter(textDirection: TextDirection.ltr);
-
-    // Y Axis
-    final int gridLines = 5;
-    for (int i = 0; i <= gridLines; i++) {
-      final y = candleAreaHeight - (i / gridLines) * candleAreaHeight;
-      final price = minPrice + (i / gridLines) * range;
-
-      canvas.drawLine(Offset(0, y), Offset(chartWidth, y), gridPaint);
-
-      textPainter.text = TextSpan(
-        text: price.toStringAsFixed(2),
-        style: TextStyle(color: theme.textMuted, fontSize: 11),
-      );
-      textPainter.layout();
-      textPainter.paint(canvas, Offset(chartWidth + 5, y - 6));
-    }
-    
-    // X Axis
-    if (candles.isEmpty) return;
-    
-    final double baseWidth = 10.0;
-    final double spacing = 5.0;
-    final double candleWidth = baseWidth * scale;
-    final double totalCandleSpace = candleWidth + (spacing * scale);
-    
-    final int xSteps = (chartWidth / 80).floor(); // label every 80px
-    if (xSteps <= 0) return;
-    
-    for (int i = 1; i < xSteps; i++) {
-        double x = i * (chartWidth / xSteps);
-        int candleIndex = ((x - panOffset) / totalCandleSpace).round();
-        if (candleIndex >= 0 && candleIndex < candles.length) {
-            final t = candles[candleIndex].time;
-            textPainter.text = TextSpan(
-                text: "${t.month.toString().padLeft(2,'0')}-${t.day.toString().padLeft(2,'0')}",
-                style: TextStyle(color: theme.textMuted, fontSize: 10),
-            );
-            textPainter.layout();
-            textPainter.paint(canvas, Offset(x - textPainter.width / 2, size.height - bottomPadding + 4));
-            canvas.drawLine(Offset(x, 0), Offset(x, size.height - bottomPadding), gridPaint);
-        }
-    }
-  }
-
-  void _drawPatterns(Canvas canvas, double Function(DateTime) getX, double Function(double) getY) {
-    for (var pattern in patterns) {
-      final color = PatternExplanations.getColorForPattern(pattern.type);
-      final paint = Paint()
-        ..color = color
-        ..style = PaintingStyle.stroke
-        ..strokeWidth = 2.0;
-
-      void drawLine(List<PatternPoint> points) {
-        if (points.length < 2) return;
-        final path = Path();
-        path.moveTo(getX(points[0].time), getY(points[0].price));
-        for (int i = 1; i < points.length; i++) {
-          path.lineTo(getX(points[i].time), getY(points[i].price));
-        }
-        canvas.drawPath(path, paint);
-      }
-      
-      drawLine(pattern.upperLine);
-      drawLine(pattern.lowerLine);
-    }
-  }
-
-  void _drawSignals(Canvas canvas, double Function(DateTime) getX, double Function(double) getY) {
-    for (var signal in signals) {
-      final x = getX(signal.timestamp);
-      final y = getY(signal.price);
-
-      final isBuy = signal.direction.toUpperCase() == 'BUY';
-      final isSell = signal.direction.toUpperCase() == 'SELL';
-      
-      if (!isBuy && !isSell) continue;
-
-      final color = isBuy ? theme.primaryColor : theme.accentRed;
-      final label = isBuy ? '▲ BUY' : '▼ SELL';
-      
-      // Draw Pill Badge for Signal
-      final textPainter = TextPainter(
-        text: TextSpan(
-          text: label,
-          style: const TextStyle(color: Colors.white, fontSize: 10, fontWeight: FontWeight.bold),
-        ),
-        textDirection: TextDirection.ltr,
-      );
-      textPainter.layout();
-
-      final badgeWidth = textPainter.width + 12;
-      final badgeHeight = textPainter.height + 6;
-      final badgeY = isBuy ? y + 12 : y - badgeHeight - 12;
-      final badgeRect = RRect.fromLTRBR(
-        x - badgeWidth / 2,
-        badgeY,
-        x + badgeWidth / 2,
-        badgeY + badgeHeight,
-        const Radius.circular(10),
-      );
-
-      // Pill Background
-      canvas.drawRRect(badgeRect, Paint()..color = color.withValues(alpha: 0.95));
-      
-      // Pointer Line to price point
-      canvas.drawLine(
-        Offset(x, y),
-        Offset(x, isBuy ? badgeY : badgeY + badgeHeight),
-        Paint()..color = color..strokeWidth = 1.5,
-      );
-
-      // Text paint
-      textPainter.paint(canvas, Offset(x - textPainter.width / 2, badgeY + 3));
-    }
-  }
-
-  void _drawCrosshair(Canvas canvas, Size size, double chartWidth, double chartHeight) {
-    final paint = Paint()
-      ..color = theme.textMuted.withValues(alpha: 0.5)
-      ..strokeWidth = 1
-      ..style = PaintingStyle.stroke;
-
-    // Vertical
-    canvas.drawLine(Offset(tapPosition!.dx, 0), Offset(tapPosition!.dx, chartHeight), paint);
-    // Horizontal
-    if (tapPosition!.dy <= chartHeight) {
-      canvas.drawLine(Offset(0, tapPosition!.dy), Offset(chartWidth, tapPosition!.dy), paint);
-    }
-  }
-
-  @override
-  bool shouldRepaint(covariant _CandlePainter oldDelegate) {
-    return oldDelegate.scale != scale || 
-           oldDelegate.panOffset != panOffset || 
-           oldDelegate.candles != candles ||
-           oldDelegate.patterns != patterns ||
-           oldDelegate.signals != signals ||
-           oldDelegate.indicators != indicators ||
-           oldDelegate.tapPosition != tapPosition;
-  }
-}

FinlyticApp/lib/features/asset_detail/widgets/chart/candlestick_painter.dart

@@ -0,0 +1,292 @@
+import 'dart:math';
+import 'package:flutter/material.dart';
+import '../../../../core/theme/app_theme.dart';
+import '../../models/technical_analysis_model.dart';
+import 'chart_overlay_renderer.dart';
+
+class CandlestickPainter extends CustomPainter {
+  final List<CandleModel> candles;
+  final List<ChartPatternModel> patterns;
+  final List<StrategySignalModel> signals;
+  final List<IndicatorModel> indicators;
+  final double scale;
+  final double panOffset;
+  final ThemePreset theme;
+  final bool showPatterns;
+  final bool showSma50;
+  final bool showSma200;
+  final bool showEma;
+  final bool showSignals;
+  final bool showSupertrend;
+  final Offset? tapPosition;
+
+  final double rightPadding = 60.0;
+  final double bottomPadding = 20.0;
+
+  CandlestickPainter({
+    required this.candles,
+    required this.patterns,
+    required this.signals,
+    required this.indicators,
+    required this.scale,
+    required this.panOffset,
+    required this.theme,
+    required this.showPatterns,
+    required this.showSma50,
+    required this.showSma200,
+    required this.showEma,
+    required this.showSignals,
+    required this.showSupertrend,
+    this.tapPosition,
+  });
+
+  @override
+  void paint(Canvas canvas, Size size) {
+    if (candles.isEmpty) return;
+
+    final double chartWidth = size.width - rightPadding;
+    final double baseWidth = 10.0;
+    final double spacing = 5.0;
+    final double candleWidth = baseWidth * scale;
+    final double totalCandleSpace = candleWidth + (spacing * scale);
+
+    double maxPrice = 0;
+    double minPrice = double.infinity;
+
+    int visibleCount = 0;
+    for (int i = 0; i < candles.length; i++) {
+      final dx = (i * totalCandleSpace) + panOffset;
+      if (dx + candleWidth > -100 && dx < chartWidth + 100) {
+        visibleCount++;
+        final c = candles[i];
+        if (c.high > maxPrice) maxPrice = c.high;
+        if (c.low < minPrice) minPrice = c.low;
+      }
+    }
+
+    if (visibleCount == 0 || minPrice == double.infinity || maxPrice <= 0) {
+      for (var c in candles) {
+        if (c.high > maxPrice) maxPrice = c.high;
+        if (c.low < minPrice) minPrice = c.low;
+      }
+    }
+
+    if (minPrice == double.infinity || maxPrice <= 0) return;
+
+    final range = maxPrice - minPrice;
+    maxPrice += max(range * 0.1, 1.0);
+    minPrice -= max(range * 0.1, 1.0);
+    final paddedRange = maxPrice - minPrice;
+    if (paddedRange <= 0) return;
+
+    final double chartHeight = size.height - bottomPadding;
+    final double volumeHeight = chartHeight * 0.15;
+    final double candleAreaHeight = chartHeight - volumeHeight;
+
+    double maxVolume = 0;
+    for (int i = 0; i < candles.length; i++) {
+      if (candles[i].volume > maxVolume) maxVolume = candles[i].volume;
+    }
+    if (maxVolume == 0) maxVolume = 1;
+
+    ChartOverlayRenderer.drawGridAndAxis(
+      canvas: canvas,
+      size: size,
+      chartWidth: chartWidth,
+      candleAreaHeight: candleAreaHeight,
+      minPrice: minPrice,
+      maxPrice: maxPrice,
+      range: paddedRange,
+      candles: candles,
+      scale: scale,
+      panOffset: panOffset,
+      bottomPadding: bottomPadding,
+      theme: theme,
+    );
+
+    final paintBullish = Paint()..color = theme.primaryColor..style = PaintingStyle.fill;
+    final paintBearish = Paint()..color = theme.accentRed..style = PaintingStyle.fill;
+    final paintWickBullish = Paint()..color = theme.primaryColor..strokeWidth = 1.5;
+    final paintWickBearish = Paint()..color = theme.accentRed..strokeWidth = 1.5;
+
+    final ema20Path = Path();
+    final sma50Path = Path();
+    final sma200Path = Path();
+    final supertrendPath = Path();
+    bool firstEma20 = true;
+    bool firstSma50 = true;
+    bool firstSma200 = true;
+    bool firstSupertrend = true;
+
+    double getXForTime(DateTime t) {
+      if (candles.isEmpty) return 0.0;
+      final lastCandle = candles.last;
+      if (t.isAfter(lastCandle.timestamp) && candles.length > 1) {
+        final totalSpan = lastCandle.timestamp.difference(candles.first.timestamp).inSeconds;
+        final secPerCandle = totalSpan / (candles.length - 1);
+        if (secPerCandle > 0) {
+          final futureSecs = t.difference(lastCandle.timestamp).inSeconds;
+          final futureCandles = futureSecs / secPerCandle;
+          final lastDx = ((candles.length - 1) * totalCandleSpace) + panOffset + candleWidth / 2;
+          return lastDx + (futureCandles * totalCandleSpace);
+        }
+      }
+
+      int bestIndex = 0;
+      int minDiff = 999999999;
+      for (int i = 0; i < candles.length; i++) {
+        final diff = candles[i].timestamp.difference(t).inSeconds.abs();
+        if (diff < minDiff) {
+          minDiff = diff;
+          bestIndex = i;
+        }
+      }
+      return (bestIndex * totalCandleSpace) + panOffset + candleWidth / 2;
+    }
+
+    double getYForPrice(double price) {
+      return candleAreaHeight - ((price - minPrice) / paddedRange) * candleAreaHeight;
+    }
+
+    canvas.save();
+    canvas.clipRect(Rect.fromLTWH(0, 0, chartWidth, chartHeight));
+
+    for (int i = 0; i < candles.length; i++) {
+      final candle = candles[i];
+      final isBullish = candle.close >= candle.open;
+
+      final dx = (i * totalCandleSpace) + panOffset;
+      if (dx < -candleWidth || dx > chartWidth) continue;
+
+      final yHigh = getYForPrice(candle.high);
+      final yLow = getYForPrice(candle.low);
+      final yOpen = getYForPrice(candle.open);
+      final yClose = getYForPrice(candle.close);
+
+      canvas.drawLine(
+        Offset(dx + candleWidth / 2, yHigh),
+        Offset(dx + candleWidth / 2, yLow),
+        isBullish ? paintWickBullish : paintWickBearish,
+      );
+
+      final top = min(yOpen, yClose);
+      final bottom = max(yOpen, yClose);
+      final bodyHeight = max(bottom - top, 1.0);
+
+      canvas.drawRect(
+        Rect.fromLTWH(dx, top, candleWidth, bodyHeight),
+        isBullish ? paintBullish : paintBearish,
+      );
+
+      final vHeight = (candle.volume / maxVolume) * volumeHeight;
+      final vTop = chartHeight - vHeight;
+      canvas.drawRect(
+        Rect.fromLTWH(dx, vTop, candleWidth, vHeight),
+        Paint()..color = (isBullish ? theme.primaryColor : theme.accentRed).withValues(alpha: 0.3)..style = PaintingStyle.fill,
+      );
+
+      if (indicators.isNotEmpty) {
+        final cx = dx + candleWidth / 2;
+        IndicatorModel? match;
+        for (var ind in indicators) {
+          if (ind.timestamp.isAtSameMomentAs(candle.timestamp) || ind.timestamp.difference(candle.timestamp).inHours.abs() < 12) {
+            match = ind;
+            break;
+          }
+        }
+
+        if (match != null) {
+          if (showEma && match.ema20 != null) {
+            final y = getYForPrice(match.ema20!);
+            if (firstEma20) { ema20Path.moveTo(cx, y); firstEma20 = false; }
+            else { ema20Path.lineTo(cx, y); }
+          }
+          if (showSma50 && match.sma50 != null) {
+            final y = getYForPrice(match.sma50!);
+            if (firstSma50) { sma50Path.moveTo(cx, y); firstSma50 = false; }
+            else { sma50Path.lineTo(cx, y); }
+          }
+          if (showSma200 && match.sma200 != null) {
+            final y = getYForPrice(match.sma200!);
+            if (firstSma200) { sma200Path.moveTo(cx, y); firstSma200 = false; }
+            else { sma200Path.lineTo(cx, y); }
+          }
+
+          if (showSupertrend) {
+            final stVal = match.supertrendDirection == 'BULLISH' ? match.supertrendLower : match.supertrendUpper;
+            if (stVal != null) {
+              final y = getYForPrice(stVal);
+              if (firstSupertrend) { supertrendPath.moveTo(cx, y); firstSupertrend = false; }
+              else { supertrendPath.lineTo(cx, y); }
+            }
+          }
+        }
+      }
+    }
+
+    if (showEma && !firstEma20) {
+      canvas.drawPath(ema20Path, Paint()..color = Colors.blueAccent..style = PaintingStyle.stroke..strokeWidth = 1.5);
+    }
+    if (showSma50 && !firstSma50) {
+      canvas.drawPath(sma50Path, Paint()..color = Colors.orangeAccent..style = PaintingStyle.stroke..strokeWidth = 1.5);
+    }
+    if (showSma200 && !firstSma200) {
+      canvas.drawPath(sma200Path, Paint()..color = Colors.redAccent..style = PaintingStyle.stroke..strokeWidth = 2.0);
+    }
+    if (showSupertrend && !firstSupertrend) {
+      canvas.drawPath(supertrendPath, Paint()..color = AppTheme.primaryEmerald..style = PaintingStyle.stroke..strokeWidth = 2.0);
+    }
+
+    if (showPatterns) {
+      ChartOverlayRenderer.drawPatterns(
+        canvas: canvas,
+        patterns: patterns,
+        getX: getXForTime,
+        getY: getYForPrice,
+      );
+      ChartOverlayRenderer.drawFutureProjectionZone(
+        canvas: canvas,
+        candles: candles,
+        patterns: patterns,
+        chartWidth: chartWidth,
+        candleAreaHeight: candleAreaHeight,
+        getX: getXForTime,
+        getY: getYForPrice,
+        theme: theme,
+      );
+    }
+
+    if (showSignals) {
+      ChartOverlayRenderer.drawSignals(
+        canvas: canvas,
+        signals: signals,
+        getX: getXForTime,
+        getY: getYForPrice,
+        theme: theme,
+      );
+    }
+
+    if (tapPosition != null && tapPosition!.dx < chartWidth) {
+      ChartOverlayRenderer.drawCrosshair(
+        canvas: canvas,
+        tapPosition: tapPosition!,
+        chartWidth: chartWidth,
+        chartHeight: chartHeight,
+        theme: theme,
+      );
+    }
+
+    canvas.restore();
+  }
+
+  @override
+  bool shouldRepaint(covariant CandlestickPainter oldDelegate) {
+    return oldDelegate.scale != scale ||
+        oldDelegate.panOffset != panOffset ||
+        oldDelegate.candles != candles ||
+        oldDelegate.patterns != patterns ||
+        oldDelegate.signals != signals ||
+        oldDelegate.indicators != indicators ||
+        oldDelegate.tapPosition != tapPosition;
+  }
+}

FinlyticApp/lib/features/asset_detail/widgets/chart/chart_overlay_renderer.dart

@@ -0,0 +1,331 @@
+import 'dart:math';
+import 'package:flutter/material.dart';
+import '../../../../core/theme/app_theme.dart';
+import '../../models/technical_analysis_model.dart';
+import '../../utils/pattern_explanations.dart';
+
+/// Helper for rendering chart overlays: grid, axes, patterns, future projections, and signals.
+class ChartOverlayRenderer {
+  static void drawGridAndAxis({
+    required Canvas canvas,
+    required Size size,
+    required double chartWidth,
+    required double candleAreaHeight,
+    required double minPrice,
+    required double maxPrice,
+    required double range,
+    required List<CandleModel> candles,
+    required double scale,
+    required double panOffset,
+    required double bottomPadding,
+    required ThemePreset theme,
+  }) {
+    final gridPaint = Paint()..color = theme.glassBorder..strokeWidth = 1;
+    final textPainter = TextPainter(textDirection: TextDirection.ltr);
+
+    const int gridLines = 5;
+    for (int i = 0; i <= gridLines; i++) {
+      final y = candleAreaHeight - (i / gridLines) * candleAreaHeight;
+      final price = minPrice + (i / gridLines) * range;
+
+      canvas.drawLine(Offset(0, y), Offset(chartWidth, y), gridPaint);
+
+      textPainter.text = TextSpan(
+        text: price.toStringAsFixed(2),
+        style: TextStyle(color: theme.textMuted, fontSize: 11),
+      );
+      textPainter.layout();
+      textPainter.paint(canvas, Offset(chartWidth + 5, y - 6));
+    }
+
+    if (candles.isEmpty) return;
+
+    const double baseWidth = 10.0;
+    const double spacing = 5.0;
+    final double candleWidth = baseWidth * scale;
+    final double totalCandleSpace = candleWidth + (spacing * scale);
+
+    final int xSteps = (chartWidth / 80).floor();
+    if (xSteps <= 0) return;
+
+    for (int i = 1; i < xSteps; i++) {
+      double x = i * (chartWidth / xSteps);
+      int candleIndex = ((x - panOffset) / totalCandleSpace).round();
+      if (candleIndex >= 0 && candleIndex < candles.length) {
+        final t = candles[candleIndex].timestamp;
+        textPainter.text = TextSpan(
+          text: "${t.month.toString().padLeft(2, '0')}-${t.day.toString().padLeft(2, '0')}",
+          style: TextStyle(color: theme.textMuted, fontSize: 10),
+        );
+        textPainter.layout();
+        textPainter.paint(canvas, Offset(x - textPainter.width / 2, size.height - bottomPadding + 4));
+        canvas.drawLine(Offset(x, 0), Offset(x, size.height - bottomPadding), gridPaint);
+      }
+    }
+  }
+
+  static void drawFutureProjectionZone({
+    required Canvas canvas,
+    required List<CandleModel> candles,
+    required List<ChartPatternModel> patterns,
+    required double chartWidth,
+    required double candleAreaHeight,
+    required double Function(DateTime) getX,
+    required double Function(double) getY,
+    required ThemePreset theme,
+  }) {
+    if (candles.isEmpty) return;
+
+    final lastCandle = candles.last;
+    final double lastX = getX(lastCandle.timestamp);
+
+    if (lastX < chartWidth - 10) {
+      final futureRect = Rect.fromLTRB(lastX, 0, chartWidth, candleAreaHeight);
+      final futureBgPaint = Paint()
+        ..color = theme.primaryColor.withValues(alpha: 0.05)
+        ..style = PaintingStyle.fill;
+      canvas.drawRect(futureRect, futureBgPaint);
+
+      final sepPaint = Paint()
+        ..color = theme.primaryColor.withValues(alpha: 0.3)
+        ..style = PaintingStyle.stroke
+        ..strokeWidth = 1.0;
+      canvas.drawLine(Offset(lastX, 0), Offset(lastX, candleAreaHeight), sepPaint);
+
+      final textPainter = TextPainter(textDirection: TextDirection.ltr);
+      textPainter.text = TextSpan(
+        text: 'PROGNOSE (KI & MUSTER)',
+        style: TextStyle(color: theme.primaryColor, fontSize: 9, fontWeight: FontWeight.bold, letterSpacing: 0.8),
+      );
+      textPainter.layout();
+      textPainter.paint(canvas, Offset(lastX + 8, 8));
+
+      for (var pattern in patterns) {
+        double targetPrice = 0.0;
+        if (pattern.breakoutSignal != null && pattern.breakoutSignal!.targetPrice > 0) {
+          targetPrice = pattern.breakoutSignal!.targetPrice;
+        } else if (pattern.lowerLine.isNotEmpty && pattern.upperLine.isNotEmpty) {
+          final diff = (pattern.upperLine.last.price - pattern.lowerLine.last.price).abs();
+          targetPrice = lastCandle.close >= pattern.lowerLine.last.price
+              ? lastCandle.close + (diff > 0 ? diff : lastCandle.close * 0.05)
+              : lastCandle.close - (diff > 0 ? diff : lastCandle.close * 0.05);
+        } else if (pattern.upperLine.isNotEmpty) {
+          targetPrice = pattern.upperLine.last.price;
+        } else if (pattern.lowerLine.isNotEmpty) {
+          targetPrice = pattern.lowerLine.last.price;
+        }
+
+        if (targetPrice > 0) {
+          final targetY = getY(targetPrice);
+          const int numSteps = 8;
+          final double availableWidth = max(chartWidth - lastX - 40, 60.0);
+          final double stepWidth = availableWidth / numSteps;
+
+          final isBullish = targetPrice >= lastCandle.close;
+          final projColor = isBullish ? AppTheme.primaryEmerald : AppTheme.accentRed;
+
+          double currX = lastX;
+          double currPrice = lastCandle.close;
+          final double priceDeltaPerStep = (targetPrice - lastCandle.close) / numSteps;
+
+          for (int k = 1; k <= numSteps; k++) {
+            final nextX = lastX + (k * stepWidth);
+            final waveNoise = sin(k * 0.9) * (priceDeltaPerStep.abs() * 0.25);
+            final nextPrice = lastCandle.close + (priceDeltaPerStep * k) + waveNoise;
+
+            final highPrice = max(currPrice, nextPrice) + priceDeltaPerStep.abs() * 0.15;
+            final lowPrice = min(currPrice, nextPrice) - priceDeltaPerStep.abs() * 0.15;
+
+            final yOpen = getY(currPrice);
+            final yClose = getY(nextPrice);
+            final yHigh = getY(highPrice);
+            final yLow = getY(lowPrice);
+
+            final cWidth = max(stepWidth * 0.55, 3.0);
+            final cLeft = nextX - cWidth / 2;
+
+            final isStepBullish = nextPrice >= currPrice;
+            final stepColor = isStepBullish ? AppTheme.primaryEmerald : AppTheme.accentRed;
+
+            canvas.drawLine(
+              Offset(nextX, yHigh),
+              Offset(nextX, yLow),
+              Paint()..color = stepColor.withValues(alpha: 0.45)..strokeWidth = 1.0,
+            );
+
+            final top = min(yOpen, yClose);
+            final bottom = max(yOpen, yClose);
+            canvas.drawRect(
+              Rect.fromLTWH(cLeft, top, cWidth, max(bottom - top, 1.5)),
+              Paint()..color = stepColor.withValues(alpha: 0.35)..style = PaintingStyle.fill,
+            );
+
+            currX = nextX;
+            currPrice = nextPrice;
+          }
+
+          final targetX = currX;
+          final pct = ((targetPrice - lastCandle.close) / lastCandle.close) * 100;
+          final pctSign = pct >= 0 ? '+' : '';
+          final targetBadgePainter = TextPainter(
+            text: TextSpan(
+              text: ' ZIEL: ${targetPrice.toStringAsFixed(2)} € ($pctSign${pct.toStringAsFixed(1)}%) ',
+              style: const TextStyle(color: Colors.white, fontSize: 10, fontWeight: FontWeight.bold),
+            ),
+            textDirection: TextDirection.ltr,
+          );
+          targetBadgePainter.layout();
+
+          final badgeRect = RRect.fromLTRBR(
+            targetX - targetBadgePainter.width / 2,
+            targetY - targetBadgePainter.height / 2 - 3,
+            targetX + targetBadgePainter.width / 2,
+            targetY + targetBadgePainter.height / 2 + 3,
+            const Radius.circular(6),
+          );
+          canvas.drawRRect(badgeRect, Paint()..color = projColor.withValues(alpha: 0.92));
+          targetBadgePainter.paint(canvas, Offset(targetX - targetBadgePainter.width / 2, targetY - targetBadgePainter.height / 2));
+        }
+      }
+    }
+  }
+
+  static void drawPatterns({
+    required Canvas canvas,
+    required List<ChartPatternModel> patterns,
+    required double Function(DateTime) getX,
+    required double Function(double) getY,
+  }) {
+    for (var pattern in patterns) {
+      final color = PatternExplanations.getColorForPattern(pattern.type);
+      final paint = Paint()..color = color..style = PaintingStyle.stroke..strokeWidth = 2.5;
+      final fillPaint = Paint()..color = color.withValues(alpha: 0.12)..style = PaintingStyle.fill;
+
+      Offset? firstPoint;
+
+      void drawLine(List<PatternPoint> points) {
+        if (points.length < 2) return;
+        final path = Path();
+        final startX = getX(points[0].time);
+        final startY = getY(points[0].price);
+        path.moveTo(startX, startY);
+        firstPoint ??= Offset(startX, startY);
+
+        for (int i = 1; i < points.length; i++) {
+          final px = getX(points[i].time);
+          final py = getY(points[i].price);
+          path.lineTo(px, py);
+        }
+        canvas.drawPath(path, paint);
+
+        for (var p in points) {
+          final px = getX(p.time);
+          final py = getY(p.price);
+          canvas.drawCircle(Offset(px, py), 4, Paint()..color = color);
+          canvas.drawCircle(Offset(px, py), 2, Paint()..color = Colors.white);
+        }
+      }
+
+      if (pattern.upperLine.length >= 2 && pattern.lowerLine.length >= 2) {
+        final polyPath = Path();
+        polyPath.moveTo(getX(pattern.upperLine[0].time), getY(pattern.upperLine[0].price));
+        for (int i = 1; i < pattern.upperLine.length; i++) {
+          polyPath.lineTo(getX(pattern.upperLine[i].time), getY(pattern.upperLine[i].price));
+        }
+        for (int i = pattern.lowerLine.length - 1; i >= 0; i--) {
+          polyPath.lineTo(getX(pattern.lowerLine[i].time), getY(pattern.lowerLine[i].price));
+        }
+        polyPath.close();
+        canvas.drawPath(polyPath, fillPaint);
+      }
+
+      drawLine(pattern.upperLine);
+      drawLine(pattern.lowerLine);
+
+      if (firstPoint != null) {
+        final label = PatternExplanations.getGermanName(pattern.type);
+        final textPainter = TextPainter(
+          text: TextSpan(
+            text: ' $label ',
+            style: const TextStyle(color: Colors.white, fontSize: 10, fontWeight: FontWeight.bold),
+          ),
+          textDirection: TextDirection.ltr,
+        )..layout();
+
+        final badgeX = firstPoint!.dx;
+        final badgeY = firstPoint!.dy - 18;
+        final badgeRect = RRect.fromLTRBR(
+          badgeX,
+          badgeY,
+          badgeX + textPainter.width + 4,
+          badgeY + textPainter.height + 4,
+          const Radius.circular(4),
+        );
+        canvas.drawRRect(badgeRect, Paint()..color = color.withValues(alpha: 0.85));
+        textPainter.paint(canvas, Offset(badgeX + 2, badgeY + 2));
+      }
+    }
+  }
+
+  static void drawSignals({
+    required Canvas canvas,
+    required List<StrategySignalModel> signals,
+    required double Function(DateTime) getX,
+    required double Function(double) getY,
+    required ThemePreset theme,
+  }) {
+    for (var signal in signals) {
+      final x = getX(signal.date);
+      final y = getY(signal.price);
+
+      final isBuy = signal.type.toUpperCase() == 'BUY';
+      final isSell = signal.type.toUpperCase() == 'SELL';
+      if (!isBuy && !isSell) continue;
+
+      final color = isBuy ? theme.primaryColor : theme.accentRed;
+      final label = isBuy ? '▲ BUY' : '▼ SELL';
+
+      final textPainter = TextPainter(
+        text: TextSpan(text: label, style: const TextStyle(color: Colors.white, fontSize: 10, fontWeight: FontWeight.bold)),
+        textDirection: TextDirection.ltr,
+      );
+      textPainter.layout();
+
+      final badgeWidth = textPainter.width + 12;
+      final badgeHeight = textPainter.height + 6;
+      final badgeY = isBuy ? y + 12 : y - badgeHeight - 12;
+      final badgeRect = RRect.fromLTRBR(
+        x - badgeWidth / 2,
+        badgeY,
+        x + badgeWidth / 2,
+        badgeY + badgeHeight,
+        const Radius.circular(10),
+      );
+
+      canvas.drawRRect(badgeRect, Paint()..color = color.withValues(alpha: 0.95));
+      canvas.drawLine(
+        Offset(x, y),
+        Offset(x, isBuy ? badgeY : badgeY + badgeHeight),
+        Paint()..color = color..strokeWidth = 1.5,
+      );
+      textPainter.paint(canvas, Offset(x - textPainter.width / 2, badgeY + 3));
+    }
+  }
+
+  static void drawCrosshair({
+    required Canvas canvas,
+    required Offset tapPosition,
+    required double chartWidth,
+    required double chartHeight,
+    required ThemePreset theme,
+  }) {
+    final paint = Paint()
+      ..color = theme.textMuted.withValues(alpha: 0.5)
+      ..strokeWidth = 1
+      ..style = PaintingStyle.stroke;
+    canvas.drawLine(Offset(tapPosition.dx, 0), Offset(tapPosition.dx, chartHeight), paint);
+    if (tapPosition.dy <= chartHeight) {
+      canvas.drawLine(Offset(0, tapPosition.dy), Offset(chartWidth, tapPosition.dy), paint);
+    }
+  }
+}

FinlyticApp/lib/features/asset_detail/widgets/technical/indicator_ribbon_bar.dart

@@ -0,0 +1,127 @@
+import 'package:flutter/material.dart';
+import '../../../../core/theme/app_theme.dart';
+import '../../../../core/widgets/glass_container.dart';
+import '../../utils/metric_explanations.dart';
+
+class IndicatorRibbonBar extends StatelessWidget {
+  final bool showSma50;
+  final bool showSma200;
+  final bool showEma;
+  final bool showSupertrend;
+  final bool showPatterns;
+  final bool showSignals;
+  final ValueChanged<bool> onToggleSma50;
+  final ValueChanged<bool> onToggleSma200;
+  final ValueChanged<bool> onToggleEma;
+  final ValueChanged<bool> onToggleSupertrend;
+  final ValueChanged<bool> onTogglePatterns;
+  final ValueChanged<bool> onToggleSignals;
+  final VoidCallback? onToggleFullscreen;
+  final bool isFullscreen;
+
+  const IndicatorRibbonBar({
+    super.key,
+    required this.showSma50,
+    required this.showSma200,
+    required this.showEma,
+    required this.showSupertrend,
+    required this.showPatterns,
+    required this.showSignals,
+    required this.onToggleSma50,
+    required this.onToggleSma200,
+    required this.onToggleEma,
+    required this.onToggleSupertrend,
+    required this.onTogglePatterns,
+    required this.onToggleSignals,
+    this.onToggleFullscreen,
+    this.isFullscreen = false,
+  });
+
+  Widget _buildChip(BuildContext context, String label, bool isSelected, ValueChanged<bool> onChanged, Color color) {
+    return Row(
+      mainAxisSize: MainAxisSize.min,
+      children: [
+        FilterChip(
+          selected: isSelected,
+          label: Text(
+            label,
+            style: TextStyle(
+              color: isSelected ? Colors.black : color,
+              fontSize: 11,
+              fontWeight: FontWeight.bold,
+            ),
+          ),
+          selectedColor: color,
+          backgroundColor: color.withValues(alpha: 0.15),
+          side: BorderSide(color: color.withValues(alpha: 0.4)),
+          showCheckmark: false,
+          onSelected: onChanged,
+        ),
+        InkWell(
+          onTap: () => MetricExplanations.show(context, label),
+          child: Padding(
+            padding: const EdgeInsets.symmetric(horizontal: 2),
+            child: Icon(Icons.info_outline, size: 14, color: AppTheme.textMuted),
+          ),
+        ),
+      ],
+    );
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return GlassContainer(
+      padding: const EdgeInsets.symmetric(horizontal: 12, vertical: 8),
+      child: SingleChildScrollView(
+        scrollDirection: Axis.horizontal,
+        child: Row(
+          children: [
+            _buildChip(context, 'SMA 50', showSma50, onToggleSma50, AppTheme.accentCyan),
+            const SizedBox(width: 8),
+            _buildChip(context, 'SMA 200', showSma200, onToggleSma200, Colors.amber),
+            const SizedBox(width: 8),
+            _buildChip(context, 'EMA 20', showEma, onToggleEma, Colors.purpleAccent),
+            const SizedBox(width: 8),
+            _buildChip(context, 'Supertrend', showSupertrend, onToggleSupertrend, AppTheme.primaryEmerald),
+            const SizedBox(width: 8),
+            _buildChip(context, 'Muster', showPatterns, onTogglePatterns, Colors.orangeAccent),
+            const SizedBox(width: 8),
+            _buildChip(context, 'Signale', showSignals, onToggleSignals, Colors.greenAccent),
+            if (onToggleFullscreen != null) ...[
+              const SizedBox(width: 12),
+              Container(width: 1, height: 20, color: AppTheme.activePreset.glassBorder),
+              const SizedBox(width: 12),
+              InkWell(
+                onTap: onToggleFullscreen,
+                borderRadius: BorderRadius.circular(8),
+                child: Container(
+                  padding: const EdgeInsets.symmetric(horizontal: 10, vertical: 6),
+                  decoration: BoxDecoration(
+                    color: AppTheme.activePreset.cardSurface,
+                    borderRadius: BorderRadius.circular(8),
+                    border: Border.all(color: AppTheme.activePreset.glassBorder),
+                  ),
+                  child: Row(
+                    mainAxisSize: MainAxisSize.min,
+                    children: [
+                      Icon(
+                        isFullscreen ? Icons.fullscreen_exit : Icons.fullscreen,
+                        size: 16,
+                        color: Colors.white,
+                      ),
+                      const SizedBox(width: 4),
+                      Text(
+                        isFullscreen ? 'Normal' : 'Vollbild',
+                        style: const TextStyle(color: Colors.white, fontSize: 11, fontWeight: FontWeight.bold),
+                      ),
+                    ],
+                  ),
+                ),
+              ),
+            ],
+          ],
+        ),
+      ),
+    );
+  }
+}

FinlyticApp/lib/features/asset_detail/widgets/technical/pattern_card_item.dart

@@ -0,0 +1,116 @@
+import 'package:flutter/material.dart';
+import 'package:intl/intl.dart';
+import '../../../../core/theme/app_theme.dart';
+import '../../../../core/widgets/glass_container.dart';
+import '../../../../core/widgets/status_badge.dart';
+import '../../models/technical_analysis_model.dart';
+import '../../utils/pattern_explanations.dart';
+
+class PatternCardItem extends StatelessWidget {
+  final ChartPatternModel pattern;
+  final int index;
+  final bool isEnabled;
+  final ValueChanged<bool> onToggle;
+
+  const PatternCardItem({
+    super.key,
+    required this.pattern,
+    required this.index,
+    required this.isEnabled,
+    required this.onToggle,
+  });
+
+  @override
+  Widget build(BuildContext context) {
+    final patternColor = PatternExplanations.getColorForPattern(pattern.type);
+
+    final allPoints = [...pattern.upperLine, ...pattern.lowerLine];
+    DateTime? startDate;
+    DateTime? endDate;
+    if (allPoints.isNotEmpty) {
+      allPoints.sort((a, b) => a.time.compareTo(b.time));
+      startDate = allPoints.first.time;
+      endDate = allPoints.last.time;
+    }
+
+    final dateFormat = DateFormat('dd.MM.yy');
+    final dateStr = startDate != null && endDate != null
+        ? '${dateFormat.format(startDate)} - ${dateFormat.format(endDate)}'
+        : 'Unbekannt';
+
+    return Padding(
+      padding: const EdgeInsets.only(bottom: 8),
+      child: GlassContainer(
+        padding: const EdgeInsets.symmetric(horizontal: 8, vertical: 6),
+        child: Row(
+          children: [
+            Checkbox(
+              value: isEnabled,
+              activeColor: patternColor,
+              checkColor: Colors.black,
+              side: BorderSide(color: patternColor.withValues(alpha: 0.6)),
+              onChanged: (bool? val) => onToggle(val ?? false),
+            ),
+            Expanded(
+              child: InkWell(
+                onTap: () => PatternExplanations.showPatternDetails(context, pattern.type),
+                borderRadius: BorderRadius.circular(8),
+                child: Padding(
+                  padding: const EdgeInsets.symmetric(vertical: 4, horizontal: 4),
+                  child: Row(
+                    children: [
+                      Container(
+                        padding: const EdgeInsets.all(8),
+                        decoration: BoxDecoration(
+                          color: isEnabled ? patternColor.withValues(alpha: 0.15) : AppTheme.glassSurface,
+                          borderRadius: BorderRadius.circular(8),
+                        ),
+                        child: Icon(
+                          Icons.polyline_outlined,
+                          color: isEnabled ? patternColor : AppTheme.textMuted,
+                          size: 20,
+                        ),
+                      ),
+                      const SizedBox(width: 12),
+                      Expanded(
+                        child: Column(
+                          crossAxisAlignment: CrossAxisAlignment.start,
+                          children: [
+                            Row(
+                              children: [
+                                Text(
+                                  pattern.type,
+                                  style: TextStyle(
+                                    fontWeight: FontWeight.bold,
+                                    color: isEnabled ? Colors.white : AppTheme.textMuted,
+                                    fontSize: 14,
+                                    decoration: isEnabled ? null : TextDecoration.lineThrough,
+                                  ),
+                                ),
+                                const SizedBox(width: 6),
+                                Icon(Icons.info_outline, size: 14, color: AppTheme.textMuted),
+                              ],
+                            ),
+                            Text(
+                              'Zeitraum: $dateStr\n'
+                              'Linien: Oben (${pattern.upperLine.length} Pkt.) / Unten (${pattern.lowerLine.length} Pkt.)',
+                              style: TextStyle(color: AppTheme.textMuted, fontSize: 11, height: 1.3),
+                            ),
+                          ],
+                        ),
+                      ),
+                      StatusBadge(
+                        label: isEnabled ? 'AKTIV' : 'AUS',
+                        color: isEnabled ? patternColor : AppTheme.textMuted,
+                      ),
+                    ],
+                  ),
+                ),
+              ),
+            ),
+          ],
+        ),
+      ),
+    );
+  }
+}

FinlyticApp/lib/features/asset_detail/widgets/technical/signal_card_item.dart

@@ -0,0 +1,63 @@
+import 'package:flutter/material.dart';
+import '../../../../core/theme/app_theme.dart';
+import '../../../../core/widgets/glass_container.dart';
+import '../../../../core/widgets/status_badge.dart';
+import '../../models/technical_analysis_model.dart';
+
+class SignalCardItem extends StatelessWidget {
+  final StrategySignalModel signal;
+
+  const SignalCardItem({super.key, required this.signal});
+
+  @override
+  Widget build(BuildContext context) {
+    final isBuy = signal.type.toUpperCase() == 'BUY';
+    final color = isBuy ? AppTheme.primaryEmerald : AppTheme.accentRed;
+
+    return Padding(
+      padding: const EdgeInsets.only(bottom: 8),
+      child: GlassContainer(
+        padding: const EdgeInsets.all(12),
+        child: Row(
+          children: [
+            Container(
+              padding: const EdgeInsets.all(8),
+              decoration: BoxDecoration(
+                color: color.withValues(alpha: 0.15),
+                borderRadius: BorderRadius.circular(8),
+              ),
+              child: Icon(isBuy ? Icons.north_east : Icons.south_east, color: color, size: 20),
+            ),
+            const SizedBox(width: 12),
+            Expanded(
+              child: Column(
+                crossAxisAlignment: CrossAxisAlignment.start,
+                children: [
+                  Row(
+                    children: [
+                      Text(
+                        signal.type.toUpperCase(),
+                        style: TextStyle(fontWeight: FontWeight.bold, color: color, fontSize: 14),
+                      ),
+                      const SizedBox(width: 8),
+                      Text(
+                        '@ €${signal.price.toStringAsFixed(2)}',
+                        style: const TextStyle(color: Colors.white, fontWeight: FontWeight.bold, fontSize: 13),
+                      ),
+                    ],
+                  ),
+                  const SizedBox(height: 4),
+                  Text(
+                    'Strategisches Kaufsignal ausgelöst durch technische Indikatoren.',
+                    style: TextStyle(color: AppTheme.textSecondary, fontSize: 12),
+                  ),
+                ],
+              ),
+            ),
+            StatusBadge(label: 'SIGNAL', color: color),
+          ],
+        ),
+      ),
+    );
+  }
+}