@keyframes fadeUp {
  from { opacity: 0; transform: translateY(6px); }
  to   { opacity: 1; transform: translateY(0);   }
}

@keyframes acSlideDown {
  from { opacity: 0; transform: translateY(-6px); }
  to   { opacity: 1; transform: translateY(0);    }
}

@media (max-width: 480px) {
  .route-pill {
    white-space: nowrap;
    flex-shrink: 0;
    font-size: 12px;
  }
}