Configures the default visual theme applied to all charts generated by the amCharts library throughout the tenant's dashboard and reports.

###### Settings

Chart Theme
  The colour palette and style applied to all charts. Available themes:
  - DEFAULT – The standard amCharts colour scheme.
  - Additional themes may be listed depending on the installed amCharts version.

Chart themes control colours and fonts but not chart layout. Custom CSS from the Branding Configuration can further override chart appearance.