fix: visuals reference matching overhaul and better workflow

features/login_screen.feature

@@ -74,8 +74,11 @@ Feature: Log in screen
       "For your security, wait a moment before trying again."
     And the Username field still shows "marta" and the Password field still shows "limewash"
     And the submit button reads "Try again in 0:42" and is disabled
+    And the Username and Password fields are disabled while the countdown runs, as the board draws
+      them
     When 42 seconds elapse
     Then the submit button re-enables and reads "Log in"
+    And the Username and Password fields are editable again
 
   Scenario: Session expired — redirected from a 401 elsewhere
     Given the user is redirected to "/login?redirect=/article/12/edit&reason=expired"