.shell[data-bom-app] {
  --alta-bg-inset: var(--input-bg);
  --alta-bg-elevated: var(--panel-alt);
  --alta-border-strong: var(--r5-border-strong, var(--line));
  --alta-accent-primary: var(--r5-accent, var(--info));
  --alta-accent-readable: var(--r5-accent, var(--info));
}

.bom-entry {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 18px 28px;
  border-bottom: 1px solid var(--line);
  background: var(--panel);
}

.bom-entry h2,
.bom-panel h2 {
  margin: 0;
  color: var(--ink);
  font-size: 20px;
  letter-spacing: -.02em;
}

.bom-entry p,
.bom-section-heading p {
  margin: 5px 0 0;
  max-width: 760px;
  color: var(--muted);
  font-size: 12.5px;
  line-height: 1.5;
}

.bom-mode-choice {
  display: grid;
  grid-template-columns: repeat(2, minmax(190px, 1fr));
  gap: 8px;
  padding: 4px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--alta-bg-inset);
}

.bom-mode-button {
  min-height: 42px;
  padding: 9px 14px;
  border: 1px solid transparent;
  border-radius: 7px;
  background: transparent;
  color: var(--muted);
  font: inherit;
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
}

.bom-mode-button:hover,
.bom-mode-button:focus-visible {
  border-color: var(--alta-border-strong);
  color: var(--ink);
  outline: none;
}

.bom-mode-button[aria-pressed="true"] {
  border-color: var(--alta-accent-primary);
  background: var(--alta-accent-primary);
  color: #fff;
}

.bom-import[hidden],
.bom-review[hidden],
.bom-tco-applied[hidden] {
  display: none;
}

.bom-import {
  display: grid;
  gap: 16px;
  padding: 20px 24px 0;
}

.bom-panel {
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--panel);
  box-shadow: var(--shadow-soft);
}

.bom-tco-applied {
  display: grid;
  grid-template-columns: minmax(220px, .9fr) 1.25fr;
  gap: 14px;
  margin: 12px 0 16px;
  padding: 16px;
  border: 1px solid color-mix(in srgb, var(--alta-accent-primary) 42%, var(--line));
  border-radius: 12px;
  background: color-mix(in srgb, var(--alta-accent-primary) 7%, var(--panel));
  box-shadow: var(--shadow-soft);
}

.bom-tco-applied h3 {
  margin: 4px 0 6px;
  color: var(--ink);
  font-size: 18px;
}

.bom-tco-applied p {
  margin: 0;
  color: var(--muted);
  font-size: 12.5px;
  line-height: 1.5;
}

.bom-tco-metrics {
  display: grid;
  grid-template-columns: repeat(2, minmax(130px, 1fr));
  gap: 8px;
}

.bom-tco-metrics .tco-metric {
  background: var(--panel);
}

.bom-section-heading {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
}

.bom-heading-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 8px;
}

.bom-heading-actions .btn,
.bom-sample-link {
  min-height: 38px;
}

.bom-sample-link {
  flex: none;
  min-height: 38px;
  padding: 9px 13px;
  border: 1px solid var(--alta-accent-primary);
  border-radius: 8px;
  color: var(--alta-accent-primary);
  font-size: 12px;
  font-weight: 700;
  text-decoration: none;
}

.bom-sample-link:hover,
.bom-sample-link:focus-visible {
  background: color-mix(in srgb, var(--alta-accent-primary) 8%, transparent);
  outline: none;
}

.bom-control-grid {
  display: grid;
  grid-template-columns: minmax(280px, 2fr) minmax(180px, 1fr) minmax(180px, 1fr);
  gap: 14px;
  margin-top: 18px;
}

.bom-field {
  display: grid;
  grid-template-columns: 1fr;
  align-items: stretch;
  gap: 7px;
  padding: 0;
  border: 0;
  color: var(--ink);
  font-size: 12px;
  font-weight: 700;
}

.bom-field input,
.bom-field select {
  min-height: 40px;
  text-align: left;
}

.bom-file-field input {
  padding: 5px 8px;
}

.bom-file-field input::file-selector-button {
  margin-right: 10px;
  padding: 7px 10px;
  border: 0;
  border-radius: 6px;
  background: var(--alta-accent-primary);
  color: #fff;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
}

.bom-privacy,
.bom-status,
.bom-provenance {
  margin: 13px 0 0;
  color: var(--muted);
  font-size: 11.5px;
  line-height: 1.45;
}

.bom-privacy::before {
  content: "Privacy: ";
  color: var(--ink);
  font-weight: 700;
}

.bom-status {
  min-height: 17px;
  color: var(--alta-accent-primary);
  font-weight: 700;
}

.bom-status.bom-error,
.bom-provenance-stale,
.bom-cell-warning,
.bom-blocked {
  color: var(--danger);
}

.bom-review {
  display: grid;
  gap: 16px;
}

.bom-review-heading {
  align-items: center;
}

.bom-export-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.bom-export-actions .btn {
  padding: 8px 12px;
  font-size: 11px;
}

.bom-import .btn:disabled {
  transform: none;
  border-color: var(--line);
  box-shadow: none;
  cursor: not-allowed;
  opacity: .62;
}

.bom-import .btn:hover,
.bom-import .btn:focus-visible {
  border-color: var(--alta-accent-primary);
  box-shadow: none;
  outline: none;
}

.bom-summary {
  display: grid;
  grid-template-columns: repeat(7, minmax(110px, 1fr));
  gap: 8px;
  margin-top: 16px;
}

.bom-summary-item {
  min-width: 0;
  padding: 11px 12px;
  border: 1px solid var(--line);
  border-radius: 9px;
  background: var(--alta-bg-elevated);
}

.bom-summary-item span,
.bom-summary-item strong {
  display: block;
}

.bom-summary-item span {
  color: var(--muted);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .04em;
  text-transform: uppercase;
}

.bom-summary-item strong {
  overflow-wrap: anywhere;
  margin-top: 5px;
  color: var(--ink);
  font-size: 14px;
}

.bom-mapping-panel {
  padding: 0;
  overflow: hidden;
}

.bom-mapping-heading {
  align-items: center;
  padding: 18px 20px;
}

.bom-filters {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 7px;
}

.bom-filters button {
  padding: 7px 10px;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: transparent;
  color: var(--muted);
  font: inherit;
  font-size: 11px;
  font-weight: 700;
  cursor: pointer;
}

.bom-filters button:hover,
.bom-filters button:focus-visible,
.bom-filters button[aria-pressed="true"] {
  border-color: var(--alta-accent-primary);
  color: var(--alta-accent-primary);
  outline: none;
}

.bom-filters span {
  display: inline-block;
  min-width: 19px;
  margin-left: 4px;
  padding: 1px 5px;
  border-radius: 4px;
  background: var(--alta-bg-inset);
  text-align: center;
}

.bom-table-wrap {
  overflow: auto;
  max-height: 54vh;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.bom-table-wrap:focus-visible {
  outline: 2px solid var(--alta-accent-primary);
  outline-offset: -2px;
}

.bom-table {
  width: 100%;
  min-width: 1700px;
  border-collapse: collapse;
  background: var(--panel);
}

.bom-table th,
.bom-table td {
  max-width: 280px;
  padding: 9px 10px;
  border-bottom: 1px solid var(--line);
  color: var(--ink);
  font-size: 11px;
  line-height: 1.4;
  text-align: left;
  vertical-align: top;
  white-space: normal;
  overflow-wrap: anywhere;
}

.bom-table th {
  position: sticky;
  top: 0;
  z-index: 1;
  background: var(--alta-bg-elevated);
  color: var(--muted);
  font-weight: 700;
}

.bom-row-unresolved {
  background: color-mix(in srgb, var(--danger) 5%, var(--panel));
}

.bom-continuation-row {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 16px;
  padding: 16px 20px;
}

.bom-continuation-row p {
  flex: 1;
  margin: 0;
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
}

.bom-continuation-row .bom-blocked {
  color: var(--danger);
}

@media (max-width: 1120px) {
  .bom-entry,
  .bom-section-heading,
  .bom-mapping-heading {
    align-items: stretch;
    flex-direction: column;
  }

  .bom-summary {
    grid-template-columns: repeat(4, minmax(110px, 1fr));
  }

  .bom-filters {
    justify-content: flex-start;
  }
}

@media (max-width: 760px) {
  .bom-entry,
  .bom-import {
    padding-left: 16px;
    padding-right: 16px;
  }

  .bom-mode-choice,
  .bom-control-grid {
    grid-template-columns: 1fr;
  }

  .bom-summary {
    grid-template-columns: repeat(2, minmax(110px, 1fr));
  }

  .bom-continuation-row {
    align-items: stretch;
    flex-direction: column;
  }
}

@media (max-width: 440px) {
  .bom-summary {
    grid-template-columns: 1fr;
  }
}