@media (max-width: 768px) {

  .rgy-ob-btn {
    padding: 0.6rem 0.9rem;
    font-size: 1rem;
  }

  .rgy-ob-group {
    margin-bottom: 1.5rem;
  }

  /* Sticky summary at bottom */
  .rgy-ob-summary {
    position: sticky;
    bottom: 0;
    z-index: 100;
    background: #ffffff;
    border-top: 2px solid #e0e0e0;
    box-shadow: 0 -4px 10px rgba(0, 0, 0, 0.08);
    margin: 1rem -1rem 0;
    border-radius: 0;
  }

  .rgy-ob-row {
    font-size: 0.9rem;
  }

  .rgy-ob-label {
    min-width: 95px;
  }
}