/* Add a subtle shadow and rounded corners to Tabulator */
#pds-table .tabulator {
  border-radius: 0.5rem;
  box-shadow: 0 2px 12px rgba(0,0,0,0.07);
  border: 1px solid #dee2e6;
  background: #fff;
}

/* Make sticky headers more distinct */
#pds-table .tabulator .tabulator-header {
  background: #f8f9fa;
  border-bottom: 2px solid #0d6efd;
}

/* Download buttons group spacing */
#tab-download-btns {
  margin-bottom: 1rem;
}

/* Improve focus/hover for download buttons */
#tab-download-btns .btn:focus, #tab-download-btns .btn:hover {
  background: #0d6efd;
  color: #fff;
  border-color: #0d6efd;
}

/* Responsive tweaks for small screens */
@media (max-width: 576px) {
  #pds-table .tabulator {
    font-size: 0.95rem;
  }
  #tab-download-btns {
    flex-direction: column;
    gap: 0.5rem;
  }
}