@media (max-width: 780px) {
  .sidebar { overflow: hidden; }
  .sidebar .nav-item { width: 44px; min-width: 44px; font-size: 0; white-space: nowrap; overflow: hidden; justify-content: center; }
  .sidebar .nav-item svg { flex: none; }
  .sidebar .nav-count { display: none; }
}