Fixed imports

src/legacy/core_plugins/visualizations/index.ts

@@ -25,6 +25,9 @@ export const visualizations: LegacyPluginInitializer = kibana =>
     id: 'visualizations',
     publicDir: resolve(__dirname, 'public'),
     require: [],
+    uiExports: {
+      styleSheetPaths: resolve(__dirname, 'public/np_ready/public/index.scss'),
+    },
   });
 
 // eslint-disable-next-line import/no-default-export

src/legacy/core_plugins/visualizations/public/np_ready/public/index.scss

@@ -1,2 +1,6 @@
+// Due the plugin is located on the old platform we should leave import of constants.
+// It will be removed when "visualizations" will migrate to the new platform
+@import 'src/legacy/ui/public/styles/styling_constants';
+
 @import './wizard/index';
 @import './embeddable/index';

src/legacy/core_plugins/visualizations/public/np_ready/public/index.ts

@@ -29,8 +29,6 @@
  * either types, or static code.
  */
 
-import './index.scss';
-
 import { PublicContract } from '@kbn/utility-types';
 import { PluginInitializerContext } from '../../../../../../core/public';
 import { VisualizationsPlugin, VisualizationsSetup, VisualizationsStart } from './plugin';

src/legacy/core_plugins/visualizations/public/np_ready/public/plugin.ts

@@ -58,6 +58,8 @@ import { UiActionsStart } from '../../../../../../plugins/ui_actions/public';
 import { DataStart as LegacyDataStart } from '../../../../data/public';
 import { VisState } from './types';
 
+import './index.scss';
+
 /**
  * Interface for this plugin's returned setup/start contracts.
  *