.app-shell {
  width: 100%;
  min-width: 0;
}

@media (max-width: 720px) {
  .app-shell {
    width: 100%;
    max-width: 100%;
    grid-template-columns: minmax(0, 1fr);
    overflow-x: hidden;
  }

  .sidebar,
  .sidebar nav,
  main {
    width: 100%;
    min-width: 0;
  }

  .sidebar {
    overflow: hidden;
  }

  .sidebar nav {
    overflow-x: auto;
  }

  .nav-item {
    flex: 0 0 auto;
  }
}