Theme Editor:

- change border color of find field to red if noting found/matches
- update search match highlighting after reloading file on external change

flatlaf-theme-editor/src/main/java/com/formdev/flatlaf/themeeditor/FlatFindReplaceBar.java

@@ -133,7 +133,7 @@ class FlatFindReplaceBar
 		findOrMarkAll( true );
 	}
 
-	private void markAll() {
+	void markAll() {
 		findOrMarkAll( false );
 	}
 
@@ -227,6 +227,8 @@ class FlatFindReplaceBar
 	private void updateMatchesLabel( SearchResult result, boolean replace ) {
 		matchesLabel.setText( result.getMarkedCount() + " matches" );
 		replaceMatchesLabel.setText( replace ? result.getCount() + " matches replaced" : null );
+
+		findField.setOutline( result.getMarkedCount() > 0 ? null : "error" );
 	}
 
 	private void notifyEditorAction( String actionKey ) {

flatlaf-theme-editor/src/main/java/com/formdev/flatlaf/themeeditor/FlatThemeEditorPane.java

@@ -224,6 +224,9 @@ class FlatThemeEditorPane
 				textArea.reload();
 
 				textArea.select( selectionStart, selectionEnd );
+
+				if( findReplaceBar != null && findReplaceBar.isShowing() )
+					findReplaceBar.markAll();
 			} catch( IOException ex ) {
 				JOptionPane.showMessageDialog( this,
 					"Failed to reload '" + textArea.getFileName() + "'\n\nReason: " + ex.getMessage(),