Worked on enhancing the DataView component within the apache/echarts repository by delivering a dark mode visual consistency feature for the Toolbox module. Focused on aligning color configurations to ensure accurate rendering and seamless transitions between light and dark themes, the work centralized theming logic to improve maintainability and stability. Utilized CSS and TypeScript to implement these changes, addressing a specific dark mode rendering issue and reducing UI inconsistencies across datasets. This update improved the user experience for those using dark mode and contributed to a more reliable and visually coherent interface, while also streamlining future theming adjustments in the codebase.