@media (max-width: 900px) {
  body {
    font-size: 16px;
  }
  .container {
    padding: 0 16px;
  }
  .cards,
  .grid2 {
    grid-template-columns: 1fr;
  }
  .card,
  .card2,
  .card3 {
    padding: 16px;
    border-radius: 20px;
  }
  .form-block {
    padding: 16px;
    border-radius: 18px;
  }
  .table-responsive {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }
  .table {
    min-width: 100%;
  }
  input,
  select,
  textarea {
    font-size: 16px;
    padding: 14px;
  }
  button,
  .btn,
  .btn-secondary {
    width: 100%;
    text-align: center;
  }
  .topbar {
    padding: 14px 0;
    flex-direction: column;
    gap: 10px;
  }
  .shell-main {
    padding: 16px;
    width: 100%;
  }
}