diff --git a/apps/focus_flow_flutter/lib/widgets/timeline/task_timeline_card.dart b/apps/focus_flow_flutter/lib/widgets/timeline/task_timeline_card.dart
index d7046a1..9e4ff41 100644
--- a/apps/focus_flow_flutter/lib/widgets/timeline/task_timeline_card.dart
+++ b/apps/focus_flow_flutter/lib/widgets/timeline/task_timeline_card.dart
@@ -1,6 +1,8 @@
 /// Renders Task Timeline Card pieces for the FocusFlow Flutter timeline.
 library;
 
+import 'dart:math' as math;
+
 import 'package:flutter/material.dart';
 
 import '../../models/today_screen_models.dart';
@@ -22,87 +24,198 @@ class TaskTimelineCard extends StatelessWidget {
   @override
   Widget build(BuildContext context) {
     final colors = _CardColors.forKind(card.visualKind);
-    return Material(
-      color: Colors.transparent,
-      child: InkWell(
-        key: ValueKey(card.id),
-        borderRadius: BorderRadius.circular(FocusFlowTokens.cardRadius),
-        onTap: onTap,
-        child: Container(
-          padding: const EdgeInsets.fromLTRB(18, 10, 14, 10),
-          decoration: BoxDecoration(
-            color: colors.background,
-            borderRadius: BorderRadius.circular(FocusFlowTokens.cardRadius),
-            border: Border.all(color: colors.accent, width: 1.2),
-            boxShadow: [
-              BoxShadow(
-                color: colors.accent.withValues(alpha: 0.12),
-                blurRadius: 18,
-                spreadRadius: 1,
-              ),
-            ],
-          ),
-          child: Row(
-            children: [
-              _StatusRing(card: card, color: colors.accent),
-              const SizedBox(width: 22),
-              Expanded(
-                child: _CardText(card: card, color: colors.accent),
-              ),
-              if (card.showsQuickActions) ...[
-                _NoOpIcon(icon: Icons.check, color: colors.accent),
-                _NoOpIcon(icon: Icons.arrow_forward, color: colors.accent),
-                _NoOpIcon(icon: Icons.calendar_today, color: colors.accent),
-                _NoOpIcon(icon: Icons.wb_sunny_outlined, color: colors.accent),
-                const SizedBox(width: 10),
-              ],
-              _Badge(child: RewardIcon(color: colors.reward, size: 26)),
-              const SizedBox(width: 8),
-              _Badge(
-                child: DifficultyBars(
-                  difficulty: card.difficultyIconToken,
-                  color: colors.reward,
+    return LayoutBuilder(
+      builder: (context, constraints) {
+        final metrics = _CardMetrics.fromConstraints(
+          constraints,
+          kind: card.visualKind,
+        );
+        return Material(
+          color: Colors.transparent,
+          child: InkWell(
+            key: ValueKey(card.id),
+            borderRadius: BorderRadius.circular(metrics.cardRadius),
+            onTap: onTap,
+            child: Container(
+              padding: metrics.padding,
+              decoration: BoxDecoration(
+                color: colors.background,
+                borderRadius: BorderRadius.circular(metrics.cardRadius),
+                border: Border.all(
+                  color: colors.accent,
+                  width: metrics.borderWidth,
                 ),
+                boxShadow: [
+                  BoxShadow(
+                    color: colors.accent.withValues(alpha: 0.12),
+                    blurRadius: metrics.shadowBlur,
+                    spreadRadius: metrics.shadowSpread,
+                  ),
+                ],
               ),
-            ],
+              child: Row(
+                children: [
+                  _StatusRing(
+                    card: card,
+                    color: colors.accent,
+                    metrics: metrics,
+                  ),
+                  SizedBox(width: metrics.statusGap),
+                  Expanded(
+                    child: _CardText(
+                      card: card,
+                      color: colors.accent,
+                      metrics: metrics,
+                    ),
+                  ),
+                  if (card.showsQuickActions) ...[
+                    _NoOpIcon(
+                      icon: Icons.check,
+                      color: colors.accent,
+                      metrics: metrics,
+                    ),
+                    _NoOpIcon(
+                      icon: Icons.arrow_forward,
+                      color: colors.accent,
+                      metrics: metrics,
+                    ),
+                    _NoOpIcon(
+                      icon: Icons.calendar_today,
+                      color: colors.accent,
+                      metrics: metrics,
+                    ),
+                    _NoOpIcon(
+                      icon: Icons.wb_sunny_outlined,
+                      color: colors.accent,
+                      metrics: metrics,
+                    ),
+                    SizedBox(width: metrics.actionGap),
+                  ],
+                  _Badge(
+                    metrics: metrics,
+                    child: RewardIcon(
+                      color: colors.reward,
+                      size: metrics.rewardIconSize,
+                    ),
+                  ),
+                  SizedBox(width: metrics.badgeGap),
+                  _Badge(
+                    metrics: metrics,
+                    child: DifficultyBars(
+                      difficulty: card.difficultyIconToken,
+                      color: colors.reward,
+                      size: metrics.difficultySize,
+                    ),
+                  ),
+                ],
+              ),
+            ),
           ),
-        ),
-      ),
+        );
+      },
     );
   }
 }
 
+class _CardMetrics {
+  const _CardMetrics(this.scale);
+
+  static const _referenceWidth = 640.0;
+  static const _referenceHeight = 88.0;
+  static const _freeSlotReferenceHeight = 108.0;
+  static const _minimumScale = 0.62;
+
+  factory _CardMetrics.fromConstraints(
+    BoxConstraints constraints, {
+    required TaskVisualKind kind,
+  }) {
+    final width = constraints.hasBoundedWidth
+        ? constraints.maxWidth
+        : _referenceWidth;
+    final height = constraints.hasBoundedHeight
+        ? constraints.maxHeight
+        : _referenceHeight;
+    final widthScale = width / _referenceWidth;
+    final heightScale =
+        height /
+        (kind == TaskVisualKind.freeSlot
+            ? _freeSlotReferenceHeight
+            : _referenceHeight);
+    final scale = math.min(widthScale, heightScale).clamp(_minimumScale, 1.0);
+    return _CardMetrics(scale.toDouble());
+  }
+
+  final double scale;
+
+  double get cardRadius => FocusFlowTokens.cardRadius * scale;
+  double get borderWidth => math.max(1, 1.2 * scale);
+  double get shadowBlur => 18 * scale;
+  double get shadowSpread => scale;
+  double get statusRingSize => 34 * scale;
+  double get statusBorderWidth => math.max(1.2, 3 * scale);
+  double get freeSlotStatusBorderWidth => math.max(1, 2 * scale);
+  double get statusIconSize => 24 * scale;
+  double get statusGap => 22 * scale;
+  double get actionButtonSize => 40 * scale;
+  double get actionIconSize => 22 * scale;
+  double get actionGap => 10 * scale;
+  double get badgeWidth => 62 * scale;
+  double get badgeHeight => 48 * scale;
+  double get badgeRadius => 7 * scale;
+  double get badgeGap => 8 * scale;
+  double get rewardIconSize => 26 * scale;
+  double get titleSize => FocusFlowTokens.cardTitleSize * scale;
+  double get metaSize => FocusFlowTokens.cardMetaSize * scale;
+  double get titleMetaGap => 4 * scale;
+  double get freeSlotTimeGap => 10 * scale;
+  Size get difficultySize => Size(54 * scale, 34 * scale);
+  EdgeInsets get padding =>
+      EdgeInsets.fromLTRB(18 * scale, 10 * scale, 14 * scale, 10 * scale);
+}
+
 class _StatusRing extends StatelessWidget {
-  const _StatusRing({required this.card, required this.color});
+  const _StatusRing({
+    required this.card,
+    required this.color,
+    required this.metrics,
+  });
 
   final TimelineCardModel card;
   final Color color;
+  final _CardMetrics metrics;
 
   @override
   Widget build(BuildContext context) {
     final border = Border.all(
       color: color,
-      width: card.visualKind == TaskVisualKind.freeSlot ? 2 : 3,
+      width: card.visualKind == TaskVisualKind.freeSlot
+          ? metrics.freeSlotStatusBorderWidth
+          : metrics.statusBorderWidth,
       style: card.visualKind == TaskVisualKind.freeSlot
           ? BorderStyle.solid
           : BorderStyle.solid,
     );
     return Container(
-      width: 34,
-      height: 34,
+      width: metrics.statusRingSize,
+      height: metrics.statusRingSize,
       decoration: BoxDecoration(shape: BoxShape.circle, border: border),
       child: card.isCompleted
-          ? Icon(Icons.check, color: color, size: 24)
+          ? Icon(Icons.check, color: color, size: metrics.statusIconSize)
           : null,
     );
   }
 }
 
 class _CardText extends StatelessWidget {
-  const _CardText({required this.card, required this.color});
+  const _CardText({
+    required this.card,
+    required this.color,
+    required this.metrics,
+  });
 
   final TimelineCardModel card;
   final Color color;
+  final _CardMetrics metrics;
 
   @override
   Widget build(BuildContext context) {
@@ -110,85 +223,111 @@ class _CardText extends StatelessWidget {
       color: card.isCompleted
           ? FocusFlowTokens.completedText
           : FocusFlowTokens.textPrimary,
-      fontSize: FocusFlowTokens.cardTitleSize,
+      fontSize: metrics.titleSize,
       fontWeight: FontWeight.w800,
       decoration: card.isCompleted ? TextDecoration.lineThrough : null,
       decorationColor: FocusFlowTokens.completedText,
-      decorationThickness: 2,
+      decorationThickness: 2 * metrics.scale,
     );
-    return Column(
-      mainAxisAlignment: MainAxisAlignment.center,
-      crossAxisAlignment: CrossAxisAlignment.start,
-      children: [
-        Text(
-          card.title,
-          maxLines: 2,
-          overflow: TextOverflow.ellipsis,
-          style: titleStyle,
-        ),
-        const SizedBox(height: 4),
-        Text(
-          card.subtitle,
-          maxLines: 1,
-          overflow: TextOverflow.ellipsis,
-          style: TextStyle(
-            color: card.isCompleted ? FocusFlowTokens.completedText : color,
-            fontSize: FocusFlowTokens.cardMetaSize,
-            fontStyle: card.visualKind == TaskVisualKind.freeSlot
-                ? FontStyle.italic
-                : FontStyle.normal,
-            fontWeight: card.visualKind == TaskVisualKind.flexible
-                ? FontWeight.w700
-                : FontWeight.w500,
-          ),
-        ),
-        if (card.visualKind == TaskVisualKind.freeSlot) ...[
-          const SizedBox(height: 10),
-          Text(
-            card.timeText,
-            style: TextStyle(
-              color: color,
-              fontSize: FocusFlowTokens.cardMetaSize,
-              fontWeight: FontWeight.w600,
+    return LayoutBuilder(
+      builder: (context, constraints) {
+        final textBlock = Column(
+          mainAxisSize: MainAxisSize.min,
+          mainAxisAlignment: MainAxisAlignment.center,
+          crossAxisAlignment: CrossAxisAlignment.start,
+          children: [
+            Text(
+              card.title,
+              maxLines: 2,
+              overflow: TextOverflow.ellipsis,
+              style: titleStyle,
             ),
-          ),
-        ],
-      ],
+            SizedBox(height: metrics.titleMetaGap),
+            Text(
+              card.subtitle,
+              maxLines: 1,
+              overflow: TextOverflow.ellipsis,
+              style: TextStyle(
+                color: card.isCompleted ? FocusFlowTokens.completedText : color,
+                fontSize: metrics.metaSize,
+                fontStyle: card.visualKind == TaskVisualKind.freeSlot
+                    ? FontStyle.italic
+                    : FontStyle.normal,
+                fontWeight: card.visualKind == TaskVisualKind.flexible
+                    ? FontWeight.w700
+                    : FontWeight.w500,
+              ),
+            ),
+            if (card.visualKind == TaskVisualKind.freeSlot) ...[
+              SizedBox(height: metrics.freeSlotTimeGap),
+              Text(
+                card.timeText,
+                style: TextStyle(
+                  color: color,
+                  fontSize: metrics.metaSize,
+                  fontWeight: FontWeight.w600,
+                ),
+              ),
+            ],
+          ],
+        );
+        if (!constraints.hasBoundedWidth || !constraints.hasBoundedHeight) {
+          return textBlock;
+        }
+        return FittedBox(
+          alignment: Alignment.centerLeft,
+          fit: BoxFit.scaleDown,
+          child: SizedBox(width: constraints.maxWidth, child: textBlock),
+        );
+      },
     );
   }
 }
 
 class _NoOpIcon extends StatelessWidget {
-  const _NoOpIcon({required this.icon, required this.color});
+  const _NoOpIcon({
+    required this.icon,
+    required this.color,
+    required this.metrics,
+  });
 
   final IconData icon;
   final Color color;
+  final _CardMetrics metrics;
 
   @override
   Widget build(BuildContext context) {
     return IconButton(
       onPressed: () {},
+      constraints: BoxConstraints.tightFor(
+        width: metrics.actionButtonSize,
+        height: metrics.actionButtonSize,
+      ),
       color: color,
+      iconSize: metrics.actionIconSize,
+      padding: EdgeInsets.zero,
       icon: Icon(icon),
       tooltip: 'No-op action',
+      visualDensity: VisualDensity.compact,
     );
   }
 }
 
 class _Badge extends StatelessWidget {
-  const _Badge({required this.child});
+  const _Badge({required this.child, required this.metrics});
 
   final Widget child;
+  final _CardMetrics metrics;
 
   @override
   Widget build(BuildContext context) {
     return Container(
-      width: 62,
-      height: 48,
+      width: metrics.badgeWidth,
+      height: metrics.badgeHeight,
       alignment: Alignment.center,
       decoration: BoxDecoration(
         color: FocusFlowTokens.panelBackground.withValues(alpha: 0.84),
-        borderRadius: BorderRadius.circular(7),
+        borderRadius: BorderRadius.circular(metrics.badgeRadius),
         border: Border.all(color: FocusFlowTokens.subtleBorder),
       ),
       child: child,
diff --git a/apps/focus_flow_flutter/test/widget_test.dart b/apps/focus_flow_flutter/test/widget_test.dart
index 3b111f0..90960f2 100644
--- a/apps/focus_flow_flutter/test/widget_test.dart
+++ b/apps/focus_flow_flutter/test/widget_test.dart
@@ -9,6 +9,7 @@ import 'package:focus_flow_flutter/app/demo_scheduler_composition.dart';
 import 'package:focus_flow_flutter/app/focus_flow_app.dart';
 import 'package:focus_flow_flutter/models/today_screen_models.dart';
 import 'package:focus_flow_flutter/widgets/timeline/difficulty_bars.dart';
+import 'package:focus_flow_flutter/widgets/timeline/task_timeline_card.dart';
 
 /// Runs FocusFlow widget and visual adapter tests.
 void main() {
@@ -109,6 +110,48 @@ void main() {
     expect(find.byKey(const ValueKey('task-selection-modal')), findsNothing);
     expect(find.text('Pay bill'), findsOneWidget);
   });
+
+  testWidgets('task card controls scale inside a narrow task bubble', (
+    tester,
+  ) async {
+    await _pumpTimelineCard(
+      tester,
+      card: _timelineCard(
+        id: 'narrow-actions',
+        title: 'A task title that would otherwise crowd the controls',
+      ),
+      size: const Size(320, 88),
+    );
+
+    expect(tester.takeException(), isNull);
+
+    final button = tester.widget<IconButton>(
+      find.widgetWithIcon(IconButton, Icons.arrow_forward),
+    );
+    expect(button.iconSize, lessThan(18));
+    expect(button.constraints?.maxWidth, lessThan(32));
+  });
+
+  testWidgets('free slot text scales inside a short task bubble', (
+    tester,
+  ) async {
+    await _pumpTimelineCard(
+      tester,
+      card: _timelineCard(
+        id: 'short-free-slot',
+        title: 'Free Slot',
+        subtitle: 'Intentional rest',
+        timeText: '6:15 PM - 6:30 PM',
+        visualKind: TaskVisualKind.freeSlot,
+        showsQuickActions: false,
+      ),
+      size: const Size(360, 88),
+    );
+
+    expect(tester.takeException(), isNull);
+    expect(find.text('Intentional rest'), findsOneWidget);
+    expect(find.text('6:15 PM - 6:30 PM'), findsOneWidget);
+  });
 }
 
 Future<void> _pumpPlanApp(WidgetTester tester) async {
@@ -136,3 +179,52 @@ Future<TodayState> _readSeededToday() async {
 TaskVisualKind _kindFor(TodayScreenData data, String id) {
   return data.cards.singleWhere((card) => card.id == id).visualKind;
 }
+
+Future<void> _pumpTimelineCard(
+  WidgetTester tester, {
+  required TimelineCardModel card,
+  required Size size,
+}) async {
+  await tester.binding.setSurfaceSize(Size(size.width + 40, size.height + 40));
+  addTearDown(() => tester.binding.setSurfaceSize(null));
+  await tester.pumpWidget(
+    MaterialApp(
+      home: Scaffold(
+        body: Center(
+          child: SizedBox(
+            width: size.width,
+            height: size.height,
+            child: TaskTimelineCard(card: card, onTap: () {}),
+          ),
+        ),
+      ),
+    ),
+  );
+  await tester.pumpAndSettle();
+}
+
+TimelineCardModel _timelineCard({
+  required String id,
+  required String title,
+  String subtitle = '30 min',
+  String timeText = '6:00 PM - 6:30 PM',
+  TaskVisualKind visualKind = TaskVisualKind.flexible,
+  bool showsQuickActions = true,
+}) {
+  return TimelineCardModel(
+    id: id,
+    title: title,
+    typeLabel: 'Flexible',
+    subtitle: subtitle,
+    timeText: timeText,
+    startMinutes: 18 * 60,
+    endMinutes: 18 * 60 + 30,
+    visualKind: visualKind,
+    rewardIconToken: TimelineRewardIconToken.medium,
+    difficultyIconToken: TimelineDifficultyIconToken.medium,
+    isCompleted: false,
+    isSelectable: true,
+    showsQuickActions: showsQuickActions,
+    durationMinutes: 30,
+  );
+}