@media (max-width: 639px) {
  .fc .fc-toolbar.fc-header-toolbar {
    flex-direction: column;
    align-items: stretch;
    gap: 0.5rem;
  }

  .fc .fc-toolbar-chunk {
    display: flex;
    justify-content: center;
  }

  .fc .fc-toolbar-title {
    font-size: 1.125rem;
    text-align: center;
  }

  .fc .fc-button {
    padding: 0.3em 0.5em;
    font-size: 0.85em;
  }

  .fc .fc-daygrid-event {
    font-size: 0.7rem;
  }
}