{
                                usePointStyle: true,
                                padding: 20
                            }
                        },
                        tooltip: {
                            backgroundColor: 'rgba(0, 0, 0, 0.8)',
                            titleColor: '#fff',
                            bodyColor: '#fff',
                            borderColor: '#374151',
                            borderWidth: 1
                        }
                    },
               