text: import { StyleSheet } from 'react-native';
  
  export const styles = StyleSheet.create({
    appHeader: {
      flex: 1,
      backgroundColor: '#222',
      padding: 20,
      justifyContent: 'center',
      alignItems: 'center'
    },
    appTitle: {
      fontSize: 20,
      fontWeight: 'bold',
      color: 'white'
    }
  });
  