/* UX-001A: Master Data Navigator only. No detail form, data, workflow, or print rules. */
@media screen {
  /* UX-001B: Navigator rows identify a record; details stay in the editor. */
  .workspace:has(.master-panel) :is(.master-row, .product-master-row, .part-master-row, .bom-product-explorer .bom-choice) {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    align-content: center;
    gap: var(--erp-space-1);
    min-height: 72px;
    max-height: 72px;
  }

  .workspace:has(.master-panel) :is(.master-row, .product-master-row, .part-master-row, .bom-product-explorer .bom-choice) > strong,
  .workspace:has(.master-panel) :is(.master-row, .product-master-row, .part-master-row, .bom-product-explorer .bom-choice) > span {
    display: block;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .workspace:has(.master-panel) :is(.master-row, .product-master-row, .part-master-row, .bom-product-explorer .bom-choice) > strong {
    color: var(--erp-text);
    font-size: var(--erp-font-size-md);
    font-weight: var(--erp-font-weight-semibold);
    line-height: var(--erp-line-height-normal);
  }

  .workspace:has(.master-panel) :is(.master-row, .product-master-row, .part-master-row, .bom-product-explorer .bom-choice) > span {
    color: var(--erp-text-secondary);
    font-size: var(--erp-font-size-sm);
    font-weight: var(--erp-font-weight-regular);
    line-height: var(--erp-line-height-normal);
    overflow-wrap: normal;
  }

  .workspace:has(.master-panel) :is(.master-row, .product-master-row, .part-master-row, .bom-product-explorer .bom-choice) > :is(small, em) {
    display: none;
  }

  .workspace:has(.master-panel) .product-list-controls {
    gap: var(--erp-space-2);
  }

  .workspace:has(.master-panel) .master-navigator-filter-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: flex-start;
    width: fit-content;
    min-height: var(--erp-control-height-md);
    gap: var(--erp-space-2);
    padding: 0 var(--erp-space-3);
    border: var(--erp-border-width) var(--erp-border-style) var(--erp-border);
    border-radius: var(--erp-radius-md);
    color: var(--erp-text-secondary);
    background: var(--erp-surface);
    font-size: var(--erp-font-size-sm);
    font-weight: var(--erp-font-weight-medium);
    transition: border-color var(--erp-duration-fast) var(--erp-ease-standard), background var(--erp-duration-fast) var(--erp-ease-standard);
  }

  .workspace:has(.master-panel) .master-navigator-filter-toggle:hover {
    border-color: var(--erp-border-strong);
    background: var(--erp-surface-hover);
  }

  .workspace:has(.master-panel) .master-navigator-filter-toggle:focus-visible {
    outline: none;
    box-shadow: var(--erp-shadow-focus);
  }

  .workspace:has(.master-panel) .product-list-filters[hidden] {
    display: none;
  }

  .workspace:has(.master-panel) .product-list-filters:not([hidden]) {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--erp-space-2);
    padding-top: var(--erp-space-1);
    animation: master-navigator-filters-in var(--erp-duration-fast) var(--erp-ease-standard);
  }

  .workspace:has(.master-panel) .product-result-count {
    min-height: 20px;
    margin: 0;
    color: var(--erp-text-muted);
    font-size: var(--erp-font-size-sm);
    line-height: var(--erp-line-height-normal);
  }

  .workspace:has(.master-panel) .product-list-pane,
  .workspace:has(.master-panel) .bom-product-explorer,
  .workspace:has(.master-panel) .part-master-list-panel {
    min-height: 0;
  }

  .workspace:has(.master-panel) .product-list-results,
  .workspace:has(.master-panel) .bom-product-explorer-results,
  .workspace:has(.master-panel) .part-master-list {
    min-height: 0;
    flex: 1 1 auto;
  }

  @keyframes master-navigator-filters-in {
    from { opacity: 0; transform: translateY(-2px); }
    to { opacity: 1; transform: none; }
  }
}

@media screen and (max-width: 760px) {
  .workspace:has(.master-panel) .master-navigator-filter-toggle {
    width: 100%;
  }
}

@media screen and (max-width: 520px) {
  .workspace:has(.master-panel) .product-list-filters:not([hidden]) {
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .workspace:has(.master-panel) .master-navigator-filter-toggle,
  .workspace:has(.master-panel) .product-list-filters:not([hidden]) {
    animation: none;
    transition: none;
  }
}