fix: typeahead dark theme

src/app.scss

@@ -266,21 +266,27 @@ $modal-background-background-color-dark: rgba($dark, 0.86) !default; // remove t
 
 [data-svelte-typeahead] {
   display: flex;
-
-  ul.svelte-typeahead-list {
-    max-height: 60vh;
-    overflow: auto;
-
-    > li {
-      padding: 0;
-      &:not(:last-of-type) {
-        border-bottom: 0 none;
-      }
-    }
-  }
+  background-color: transparent !important;
   
   &[aria-expanded="true"] {
     z-index: 3;
+
+    ul.svelte-typeahead-list {
+      @extend .dropdown-content;
+      max-height: 60vh;
+      overflow: auto;
+  
+      > li {
+        padding: 0;
+        border-bottom: 0 none;
+
+        &.selected {
+          @media (prefers-color-scheme: dark) {
+            background-color: #2a2a2a;
+          }
+        }
+      }
+    }
   }
 
   [data-svelte-search] {