const chartConfig = { backgroundGradientFrom: "#1E2923", backgroundGradientFromOpacity: 0, backgroundGradientTo: "#08130D", backgroundGradientToOpacity: 0.5, color: (opacity = 1) => `rgba(26, 255, 146, ${opacity})`, strokeWidth: 2, // optional, default 3 barPercentage: 0.5, useShadowColorFromDataset: false // optional };