@media (max-width: 920px) {
  .hero-panel,
  .insight-grid,
  .history-layout {
    grid-template-columns: 1fr;
  }

  .question-panel {
    border-top: 1px solid rgba(38, 116, 73, 0.22);
    border-left: 0;
  }

  .activity-row {
    grid-template-columns: 54px minmax(0, 1fr);
  }

  .activity-controls {
    grid-column: 2;
    grid-template-columns: minmax(0, 1fr) minmax(130px, 0.7fr);
    gap: 7px 10px;
  }

  .activity-controls .field-label:not(:first-child) {
    margin-top: 0;
  }

  .activity-controls .input-hint {
    grid-column: 2;
  }

  .choice-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .export-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .export-actions {
    grid-column: 1 / -1;
  }
}

@media (max-width: 680px) {
  .app-shell {
    width: min(100% - 24px, 560px);
    padding-top: 12px;
  }

  .site-header,
  .record-context,
  .site-footer {
    align-items: flex-start;
    flex-direction: column;
  }

  .header-actions,
  .record-context-group {
    width: 100%;
    align-items: stretch;
    flex-direction: column;
  }

  .storage-note {
    order: 2;
  }

  .hero-panel,
  .step-panel,
  .insight-panel,
  .history-panel,
  .export-panel {
    padding: 20px 16px;
    border-radius: 16px;
  }

  .hero-title {
    font-size: clamp(37px, 13vw, 58px);
  }

  .question-panel {
    padding: 18px 0 0;
  }

  .stepper {
    grid-template-columns: repeat(5, minmax(82px, 1fr));
    overflow-x: auto;
  }

  .step-tab {
    grid-template-columns: 1fr;
    gap: 3px;
    min-width: 82px;
    min-height: 62px;
    padding: 9px;
  }

  .record-context .field-label {
    min-width: 0;
  }

  .record-context-group .short-input,
  .record-context-group .secondary-button {
    width: 100%;
  }

  .section-heading {
    align-items: flex-start;
    flex-direction: column;
  }

  .prediction-grid,
  .reflection-grid,
  .comparison-grid,
  .choice-grid,
  .export-grid {
    grid-template-columns: 1fr;
  }

  .activity-row {
    grid-template-columns: 43px minmax(0, 1fr);
    gap: 11px;
    padding: 13px;
  }

  .activity-icon {
    width: 40px;
    height: 40px;
    font-size: 22px;
  }

  .activity-heading {
    font-size: 16px;
  }

  .activity-controls {
    grid-column: 1 / -1;
    grid-template-columns: 1fr;
  }

  .activity-controls .input-hint {
    grid-column: auto;
  }

  .step-actions {
    align-items: stretch;
    flex-direction: column-reverse;
  }

  .step-actions button {
    width: 100%;
  }

  .insight-summary {
    grid-template-columns: 1fr;
  }

  .chart-frame {
    overflow-x: auto;
  }

  .chart-frame svg {
    min-width: 520px;
  }

  .history-item {
    grid-template-columns: 1fr;
  }

  .history-actions {
    justify-content: flex-end;
  }

  .update-item {
    grid-template-columns: 1fr;
    gap: 5px;
  }

  .modal-backdrop {
    padding: 12px;
  }

  .modal-panel {
    padding: 20px 16px;
  }
}