Rajvis Infinite size issue

main.dart

import 'package:flutter/material.dart';

void main() => runApp(const MyApp());

class MyApp extends StatelessWidget {
  const MyApp({super.key});

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      debugShowCheckedModeBanner: false,
      home: MyCardWorkout(),
    );
  }
}

class MyCardWorkout extends StatelessWidget {
  final List<Map<String, dynamic>> niveaux = [
    {"difficulty": "Simple", "nbExercices": 8},
    {"difficulty": "hebdos", "nbExercices": 10},
    {"difficulty": "My complete program", "nbExercices": 30}
  ];

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: Text('My Workouts'),
      ),
      body: Column(
        children: [
          Expanded(
            child: ListView.builder(
              itemCount: niveaux.length,
              itemBuilder: (context, index) {
                final niveau = niveaux[index];
                return SizedBox(
                  height: MediaQuery.of(context).size.height * .16,
                  child: Card(
                    shape: RoundedRectangleBorder(
                      borderRadius: BorderRadius.circular(12),
                    ),
                    elevation: 3,
                    color: Color(0xFFdde2f1),
                    child: Padding(
                      padding: const EdgeInsets.all(4.0),
                      child: Row(
                        mainAxisAlignment: MainAxisAlignment.spaceBetween,
                        children: [
                          Flexible(
                            // Wrap Column in Flexible for potential complex content
                            child: Column(
                              mainAxisAlignment: MainAxisAlignment.start,
                              crossAxisAlignment: CrossAxisAlignment.start,
                              children: [
                                Text(
                                  niveau['difficulty'],
                                  style: TextStyle(fontWeight: FontWeight.bold),
                                ),
                                Text(
                                  '${niveau['nbExercices']} services',
                                  style: TextStyle(
                                    fontWeight: FontWeight.bold,
                                    color: Color(0XFFa5a1a1),
                                  ),
                                ),
                                // Add more content here... (if applicable)
                              ],
                            ),
                          ),
                          Spacer(),
                          Icon(Icons.more_horiz_rounded),
                        ],
                      ),
                    ),
                  ),
                );
              },
            ),
          ),
        ],
      ),
    );
  }
}