.page-grid-3 {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.metric-card {
  display: grid;
  align-content: start;
  gap: 6px;
  border: 1px solid var(--grey-200);
  border-radius: var(--radius-md);
  background: var(--white);
  padding: 22px 24px;
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition), transform var(--transition);
}

a.metric-card {
  color: inherit;
  text-decoration: none;
}

.metric-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}

.metric-card:focus-visible {
  outline: 2px solid var(--black);
  outline-offset: 3px;
}

.metric-label {
  font-family: 'DM Mono', monospace;
  font-size: 9px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--grey-400);
}

.metric-value {
  font-family: 'Playfair Display', serif;
  font-size: 32px;
  line-height: 1;
  letter-spacing: 0;
}

.metric-meta {
  color: var(--grey-600);
  font-size: 12px;
}

.workspace-block {
  border: 1px solid var(--grey-200);
  border-radius: var(--radius-md);
  background: var(--white);
  padding: 24px;
  box-shadow: var(--shadow-sm);
}

.form-shell p {
  margin-bottom: 14px;
}

.form-shell label {
  display: block;
  margin-bottom: 5px;
  font-family: 'DM Mono', monospace;
  font-size: 9.5px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--grey-400);
}

.form-shell ul.errorlist {
  list-style: none;
  margin: 0 0 10px;
  padding: 0;
  color: var(--danger);
  font-size: 12px;
}

.login-shell {
  border: 1px solid var(--grey-200);
  border-radius: var(--radius-md);
  padding: 32px;
  background: var(--white);
}

.documentation-grid {
  display: grid;
  gap: 16px;
}

.documentation-card {
  border: 1px solid var(--grey-200);
  border-radius: var(--radius-md);
  padding: 20px 24px;
  background: var(--white);
}

.documentation-card h2,
.documentation-card h3 {
  font-family: 'Playfair Display', serif;
  font-size: 18px;
  font-weight: 400;
  margin: 0 0 10px;
}

.log-pre,
.run-log-pre {
  margin: 0;
  padding: 14px 16px;
  border: 1px solid var(--grey-200);
  border-radius: var(--radius-sm);
  background: var(--white);
  color: var(--grey-700);
  overflow: auto;
  font-size: 11px;
  line-height: 1.6;
}

.run-log-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 12px;
}

.run-log-meta,
.run-log-summary {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  color: var(--grey-600);
  font-size: 12px;
}

.run-log-summary {
  margin-top: 12px;
}

.run-log-status {
  font-family: 'DM Mono', monospace;
  font-size: 10px;
  color: var(--grey-500);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.kpi-link-card {
  display: grid;
  gap: 14px;
  align-content: start;
}

.kpi-link-title {
  font-family: 'Playfair Display', serif;
  font-size: 20px;
  font-weight: 400;
  margin: 0;
}

.kpi-link-text {
  color: var(--grey-600);
  font-size: 12px;
}

.supplier-import-page {
  gap: 18px;
}

.supplier-import-hero,
.supplier-import-utility,
.supplier-import-panel,
.supplier-tab-card {
  border: 1px solid var(--grey-200);
  border-radius: var(--radius-md);
  background: var(--white);
  box-shadow: var(--shadow-sm);
}

.supplier-import-hero {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 20px;
  padding: 22px 24px;
}

.supplier-import-hero__meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 10px;
  color: var(--grey-600);
  font-size: 12px;
}

.supplier-import-workbench {
  display: grid;
  grid-template-columns: minmax(340px, 430px) minmax(0, 1fr);
  gap: 18px;
  align-items: stretch;
}

.supplier-source-tabs {
  margin-bottom: 0;
}

.supplier-common-tools {
  display: grid;
  gap: 18px;
}

.supplier-common-tools__head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 18px;
  padding: 2px 2px 0;
}

.supplier-common-tools__head .card-desc {
  max-width: 560px;
  text-align: right;
}

.supplier-tab-card {
  display: grid;
  gap: 22px;
  padding: 24px;
}

.supplier-tab-card--list {
  gap: 16px;
}

.supplier-tab-card__head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  max-width: 980px;
}

.supplier-import-form {
  min-width: 0;
}

.supplier-import-panel {
  min-width: 0;
  padding: 24px;
}

.supplier-import-panel--preview {
  display: grid;
  grid-template-rows: auto auto minmax(280px, 1fr);
  gap: 14px;
  min-height: 560px;
}

.supplier-import-panel__head {
  display: grid;
  gap: 6px;
  margin-bottom: 18px;
}

.supplier-preview-head {
  grid-template-columns: minmax(0, 1fr) minmax(180px, 240px);
  align-items: end;
  gap: 16px;
  margin-bottom: 0;
}

.supplier-upload-box {
  display: grid;
  gap: 10px;
  padding: 16px;
  border: 1px dashed var(--grey-300);
  border-radius: var(--radius-md);
  background: var(--grey-50);
}

.supplier-upload-box__label {
  display: grid;
  gap: 2px;
  color: var(--grey-600);
  font-size: 12px;
}

.supplier-upload-box__label strong {
  color: var(--black);
  font-size: 14px;
  font-weight: 500;
}

.supplier-upload-box input[type="file"] {
  width: 100%;
  background: var(--white);
}

.supplier-upload-box input[type="file"]::file-selector-button {
  margin-right: 10px;
  border: 1px solid var(--black);
  border-radius: var(--radius-sm);
  background: var(--black);
  color: var(--white);
  padding: 7px 12px;
  font: inherit;
  cursor: pointer;
}

.supplier-field-section {
  display: grid;
  gap: 12px;
  margin-top: 20px;
  padding-top: 18px;
  border-top: 1px solid var(--grey-150);
}

.supplier-field-section__hint,
.field-help {
  margin: 0;
  color: var(--grey-500);
  font-size: 11px;
  line-height: 1.45;
}

.supplier-import-field {
  display: grid;
  gap: 6px;
  min-width: 0;
}

.supplier-import-field--small {
  max-width: 180px;
}

.supplier-import-field input,
.supplier-import-field select {
  width: 100%;
}

.supplier-mapping-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.supplier-mapping-grid .supplier-import-field:nth-child(2),
.supplier-mapping-grid .supplier-import-field:nth-child(4) {
  grid-column: span 2;
}

.field-errors,
.form-errors {
  color: var(--danger);
  font-size: 12px;
}

.field-errors ul,
.form-errors ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.supplier-import-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}

.supplier-sheet-picker {
  display: grid;
  gap: 6px;
}

.supplier-sheet-picker select {
  width: 100%;
}

.supplier-preview-toolbar {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  padding: 10px;
  border: 1px solid var(--grey-200);
  border-radius: var(--radius-md);
  background: var(--grey-50);
}

.supplier-preview-toolbar .button {
  min-height: 30px;
  padding: 6px 10px;
}

.supplier-preview-toolbar .button.is-active {
  background: var(--black);
  border-color: var(--black);
  color: var(--white);
}

.supplier-preview-mode {
  margin-left: auto;
  color: var(--grey-500);
  font-family: 'DM Mono', monospace;
  font-size: 10px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.supplier-preview-table {
  min-height: 280px;
  border: 1px solid var(--grey-200);
  border-radius: var(--radius-md);
  background: var(--white);
  overflow: auto;
}

.supplier-preview-empty {
  display: grid;
  place-content: center;
  min-height: 280px;
  padding: 28px;
  text-align: center;
  color: var(--grey-500);
}

.supplier-preview-empty p {
  margin: 6px 0 0;
}

.import-preview-table {
  min-width: 760px;
}

.import-preview-table th.preview-th {
  position: sticky;
  top: 0;
  z-index: 1;
  cursor: pointer;
  background: var(--grey-50);
  color: var(--grey-700);
  text-align: center;
  font-family: 'DM Mono', monospace;
}

.import-preview-table th.preview-th:hover,
.import-preview-table th.preview-th.is-selected {
  background: var(--black);
  color: var(--white);
}

.import-preview-table td.preview-td {
  max-width: 260px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.supplier-import-utility {
  display: grid;
  grid-template-columns: minmax(220px, 340px) minmax(0, 1fr);
  align-items: end;
  gap: 20px;
  padding: 20px 24px;
}

.supplier-import-utility--stack {
  align-items: start;
}

.supplier-rule-summary {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.supplier-rule-summary--large {
  max-width: 980px;
}

.supplier-rule-summary > div {
  min-width: 0;
  padding: 12px;
  border: 1px solid var(--grey-150);
  border-radius: var(--radius-sm);
  background: var(--grey-50);
}

.supplier-rule-summary strong {
  display: block;
  margin-top: 5px;
  overflow: hidden;
  color: var(--black);
  font-size: 13px;
  font-weight: 500;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.supplier-import-note {
  display: grid;
  gap: 4px;
  max-width: 980px;
  padding: 14px;
  border: 1px solid var(--grey-150);
  border-radius: var(--radius-sm);
  background: var(--grey-50);
  color: var(--grey-700);
  font-size: 12px;
}

.supplier-link-source-form {
  display: grid;
  grid-template-columns: minmax(130px, 0.8fr) minmax(140px, 0.9fr) minmax(0, 2fr);
  align-items: end;
  gap: 12px;
}

.supplier-link-source-form__url {
  grid-column: span 1;
}

.supplier-link-active {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 36px;
  color: var(--grey-700);
  font-size: 12px;
}

.supplier-link-source-list {
  display: grid;
  gap: 10px;
  grid-column: 1 / -1;
  margin-top: 16px;
}

.supplier-link-source-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 14px;
  padding: 12px;
  border: 1px solid var(--grey-150);
  border-radius: var(--radius-md);
  background: var(--grey-50);
}

.supplier-link-source-row p {
  max-width: 960px;
  margin: 4px 0 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.supplier-link-source-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.supplier-backfill-form {
  display: grid;
  grid-template-columns: repeat(2, minmax(160px, 1fr)) auto;
  align-items: end;
  gap: 12px;
}

@media (max-width: 991.98px) {
  .page-grid-3 { grid-template-columns: 1fr; }
  .workspace-block,
  .metric-card,
  .login-shell,
  .documentation-card { padding: 18px; }
  .run-log-head { flex-direction: column; }
  .supplier-import-hero,
  .supplier-import-utility,
  .supplier-tab-card {
    grid-template-columns: 1fr;
    flex-direction: column;
  }
  .supplier-import-hero__meta {
    justify-content: flex-start;
  }
  .supplier-common-tools__head {
    align-items: flex-start;
    flex-direction: column;
  }
  .supplier-common-tools__head .card-desc {
    max-width: none;
    text-align: left;
  }
  .supplier-import-workbench,
  .supplier-backfill-form,
  .supplier-preview-head,
  .supplier-rule-summary,
  .supplier-link-source-form {
    grid-template-columns: 1fr;
  }
  .supplier-link-source-row {
    grid-template-columns: 1fr;
  }
  .supplier-link-source-actions {
    justify-content: flex-start;
  }
  .supplier-import-panel--preview {
    min-height: 420px;
  }
}

@media (max-width: 767.98px) {
  .page-grid-3 {
    gap: 12px;
  }

  .metric-card,
  .workspace-block,
  .login-shell,
  .documentation-card,
  .supplier-import-hero,
  .supplier-import-panel,
  .supplier-import-utility,
  .supplier-tab-card {
    padding: 16px;
  }

  .metric-card {
    min-height: 74px;
  }

  .metric-card:hover {
    transform: none;
  }

  .metric-card .card-label,
  .metric-card .metric-label,
  .metric-card .card-title,
  .metric-card .metric-value,
  .metric-card .metric-meta {
    min-width: 0;
    overflow-wrap: anywhere;
  }

  .metric-card .card-title,
  .metric-card .metric-value {
    margin-bottom: 0;
  }

  .metric-card .card-label,
  .metric-card .metric-label {
    line-height: 1.45;
  }

  .metric-value,
  .metric-card .card-title {
    font-size: 24px;
  }

  .kpi-link-card .button {
    width: 100%;
    justify-content: center;
  }

  .documentation-card h2,
  .documentation-card h3 {
    font-size: 16px;
  }

  .run-log-meta,
  .run-log-summary {
    gap: 8px;
    font-size: 11px;
  }

  .log-pre,
  .run-log-pre {
    padding: 12px 14px;
    font-size: 10px;
  }

  .supplier-mapping-grid {
    grid-template-columns: 1fr;
  }

  .supplier-mapping-grid .supplier-import-field:nth-child(2),
  .supplier-mapping-grid .supplier-import-field:nth-child(4) {
    grid-column: auto;
  }

  .supplier-rule-summary,
  .supplier-link-source-form,
  .supplier-backfill-form {
    grid-template-columns: 1fr;
  }

  .supplier-link-source-row {
    grid-template-columns: 1fr;
    align-items: stretch;
    gap: 10px;
  }

  .supplier-link-source-row p {
    white-space: normal;
  }

  .supplier-link-source-actions {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    align-items: stretch;
  }

  .supplier-link-source-actions .button {
    width: 100%;
    justify-content: center;
  }

  .supplier-preview-mode {
    width: 100%;
    margin-left: 0;
  }

  .supplier-preview-toolbar .button {
    min-height: 42px;
  }
}