Bugfix/dark mode border color of drop area in import activities dialog (#8134)

* Fix border color of drop area in import activities dialog (dark mode)

* Update changelog

CHANGELOG.md

@@ -13,6 +13,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ### Fixed
 
+- Fixed the border color of the drop area in the import activities dialog (dark mode)
 - Fixed the matching of assets and accounts in the import of activities with _Ghostfolio AI_ (experimental)
 
 ## 3.84.2 - 2026-10-11

apps/client/src/app/pages/portfolio/activities/import-activities-dialog/import-activities-dialog.scss

@@ -82,10 +82,12 @@
 }
 
 :host-context(.theme-dark) {
+  .mat-mdc-dialog-content {
     .drop-area {
       border-color: rgba(
         var(--palette-foreground-divider-dark),
-      var(--palette-foreground-divider-alpha-dark)
+        var(--palette-foreground-divider-dark-alpha)
       );
     }
+  }
 }