优化

lib/components/timer_display.dart

@@ -0,0 +1,27 @@
+import 'package:flutter/material.dart';
+import '../theme/app_text_styles.dart';
+
+/// Timer Display Component
+class TimerDisplay extends StatelessWidget {
+  final int remainingSeconds;
+
+  const TimerDisplay({
+    super.key,
+    required this.remainingSeconds,
+  });
+
+  /// Format seconds to MM:SS format
+  String _formatTime(int seconds) {
+    final minutes = seconds ~/ 60;
+    final secs = seconds % 60;
+    return '${minutes.toString().padLeft(2, '0')}:${secs.toString().padLeft(2, '0')}';
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return Text(
+      _formatTime(remainingSeconds),
+      style: AppTextStyles.timerDisplay,
+    );
+  }
+}