/* UX-002A: Master Data detail surface only. Navigator, fields, events, and payloads stay untouched. */
@media screen {
  .workspace:has(.master-panel) .master-detail-surface,
  .workspace:has(.master-panel) .bom-editor {
    min-width: 0;
  }

  /* Detail content must extend with the page. It must not become a second scroll pane. */
  .workspace:has(.master-panel) .part-master-layout,
  .workspace:has(.master-panel) .part-master-form,
  .workspace:has(.master-panel) .part-master-editor-content {
    height: auto;
    max-height: none;
    overflow: visible;
    overscroll-behavior: auto;
  }

  .workspace:has(.master-panel) .master-detail-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: var(--erp-space-4);
    margin: 0 0 var(--erp-space-4);
    padding: 0 0 var(--erp-space-4);
    border-bottom: 1px solid var(--erp-border);
  }

  .workspace:has(.master-panel) .master-detail-identity {
    display: grid;
    min-width: 0;
    gap: var(--erp-space-1);
  }

  .workspace:has(.master-panel) .master-detail-identity h2 {
    min-width: 0;
    margin: 0;
    overflow: hidden;
    color: var(--erp-text);
    font-size: var(--erp-font-size-xl);
    font-weight: var(--erp-font-weight-semibold);
    line-height: var(--erp-line-height-tight);
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .workspace:has(.master-panel) .master-detail-identity p {
    min-width: 0;
    margin: 0;
    overflow: hidden;
    color: var(--erp-text-muted);
    font-size: var(--erp-font-size-sm);
    font-weight: var(--erp-font-weight-regular);
    line-height: var(--erp-line-height-normal);
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .workspace:has(.master-panel) .master-detail-actions {
    display: flex;
    flex: 0 0 auto;
    flex-wrap: wrap;
    align-items: center;
    justify-content: flex-end;
    gap: var(--erp-space-2);
  }

  .workspace:has(.master-panel) .master-detail-actions .tf-action-button--danger {
    margin-right: var(--erp-space-2);
  }

  .workspace:has(.master-panel) .master-detail-actions .tf-action-button--primary {
    order: 2;
  }

  .workspace:has(.master-panel) .master-detail-surface > .form-grid,
  .workspace:has(.master-panel) .part-master-editor-content {
    padding-bottom: var(--erp-space-2);
  }

  .workspace:has(.master-panel) .part-master-form .master-detail-header {
    margin: 0;
    padding: var(--erp-space-4) var(--erp-space-5);
  }

  .workspace:has(.master-panel) .part-master-quick-nav {
    margin: 0;
  }

  .workspace:has(.master-panel) .part-master-section + .part-master-section,
  .workspace:has(.master-panel) .part-master-editor-content > .part-master-section {
    margin-top: 0;
  }

  .workspace:has(.master-panel) .part-master-section h4,
  .workspace:has(.master-panel) .bom-section-heading h3 {
    margin: 0 0 var(--erp-space-3);
    color: var(--erp-text);
    font-size: var(--erp-font-size-lg);
    font-weight: var(--erp-font-weight-semibold);
    line-height: var(--erp-line-height-tight);
  }

  .workspace:has(.master-panel) .part-master-section > p,
  .workspace:has(.master-panel) .bom-section-heading p {
    margin: calc(-1 * var(--erp-space-2)) 0 var(--erp-space-4);
    color: var(--erp-text-secondary);
    font-size: var(--erp-font-size-sm);
  }

  .workspace:has(.master-panel) .bom-detail-header {
    margin-bottom: var(--erp-space-4);
    padding: var(--erp-space-5);
    border: 1px solid var(--erp-border);
    border-radius: var(--erp-radius-md);
    background: var(--erp-surface);
    box-shadow: var(--erp-shadow-xs);
  }

  .workspace:has(.master-panel) .bom-detail-header .master-detail-identity h2 {
    font-size: var(--erp-font-size-xl);
  }

  .workspace:has(.master-panel) .bom-empty-selection {
    display: block;
  }

  .workspace:has(.master-panel) .bom-card-list {
    padding-bottom: var(--erp-space-5);
  }
}

@media screen and (min-width: 761px) {
  /* The Navigator may retain its own bounded result list without constraining Detail. */
  .workspace:has(.master-panel) .part-master-form {
    display: block;
  }

  .workspace:has(.master-panel) .part-master-list-panel {
    position: sticky;
    top: var(--erp-space-4);
    height: min(720px, calc(100vh - var(--erp-space-8)));
    max-height: calc(100vh - var(--erp-space-8));
    overflow: hidden;
  }
}

@media screen and (max-width: 1100px) {
  .workspace:has(.master-panel) .master-detail-header {
    flex-wrap: wrap;
  }
}

@media screen and (max-width: 760px) {
  .workspace:has(.master-panel) .master-detail-header {
    align-items: stretch;
    flex-direction: column;
  }

  .workspace:has(.master-panel) .master-detail-actions {
    width: 100%;
    justify-content: flex-start;
  }

  .workspace:has(.master-panel) .master-detail-actions .tf-action-button--primary {
    margin-left: auto;
  }

  .workspace:has(.master-panel) .part-master-list-panel {
    position: static;
    height: auto;
    max-height: 520px;
  }
}

@media screen and (max-width: 480px) {
  .workspace:has(.master-panel) .master-detail-actions .tf-action-button {
    min-height: var(--erp-control-height-md);
  }

  .workspace:has(.master-panel) .part-master-form .master-detail-header,
  .workspace:has(.master-panel) .bom-detail-header {
    padding: var(--erp-space-3);
  }
}