.catalog-toolbar {
  position: sticky;
  top: 76px;
  z-index: 4;
  padding: 12px 0 8px;
  background: var(--paper);
}

.catalog-search {
  grid-template-columns: minmax(0, 1fr) auto auto;
  align-items: center;
  margin: 0 0 8px;
}

.supplier-search-toggle {
  display: flex;
  gap: 8px;
  align-items: center;
  color: #475569;
  font-size: 13px;
  white-space: nowrap;
}

.supplier-search-toggle input {
  width: 16px;
  height: 16px;
  margin: 0;
}

.catalog-list {
  display: grid;
  gap: 10px;
  margin-bottom: 18px;
}

.catalog-columns {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 160px 150px 18px;
  gap: 22px;
  margin: 0;
  padding: 10px 20px;
  border: 1px solid var(--line);
  border-radius: 11px;
  background: #eef2f7f5;
  color: #475569;
  font-size: 12px;
  font-weight: 750;
  backdrop-filter: blur(8px);
}

.catalog-columns span:nth-child(2),
.catalog-columns span:nth-child(3) {
  text-align: right;
}

.product-line {
  overflow: hidden;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 15px;
  transition: border-color .2s, box-shadow .2s;
}

.product-line:hover {
  border-color: #b9c8dc;
  box-shadow: 0 7px 24px #0f172a0a;
}

.product-summary {
  width: 100%;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 160px 150px 18px;
  gap: 22px;
  align-items: center;
  padding: 18px 20px;
  border: 0;
  background: #fff;
  color: inherit;
  text-align: left;
  font: inherit;
  cursor: pointer;
}

.product-identity {
  min-width: 0;
  display: grid;
}

.source-badge {
  display: inline-flex;
  align-items: center;
  width: max-content;
  padding: 2px 7px;
  border-radius: 99px;
  font-size: 10px;
  font-weight: 800;
  line-height: 1.4;
}

.source-badge.onec {
  background: #fff3cd;
  color: #7a5200;
  border: 1px solid #f1d17b;
}

.source-badge.supplier {
  background: var(--supplier-color);
  color: #fff;
  border: 1px solid var(--supplier-color);
}

.source-badge.supplier-only {
  background: #f1f5f9;
  color: #475569;
  border: 1px solid #cbd5e1;
}

.supplier-product {
  border-left: 3px solid #94a3b8;
}

.onec-product {
  border-left: 4px solid #f59e0b;
}

.product-identity > strong {
  overflow: hidden;
  font-size: 16px;
  line-height: 1.35;
  text-overflow: ellipsis;
}

.product-sku {
  color: var(--muted);
  font-size: 12px;
}

.product-subline {
  display: flex;
  align-items: center;
  gap: 8px;
  min-height: 20px;
  margin-top: 4px;
}

.product-minimum {
  display: grid;
  text-align: right;
}

.product-minimum small {
  color: var(--muted);
  font-size: 11px;
  font-weight: 650;
}

.product-minimum strong {
  font-size: 18px;
}

.product-availability {
  display: grid;
  color: var(--muted);
  text-align: right;
}

.product-availability small {
  color: var(--muted);
  font-size: 11px;
  font-weight: 650;
}

.product-availability strong {
  color: #475569;
  font-size: 18px;
}

.product-availability.has-stock {
  color: #15803d;
}

.product-availability.has-stock strong {
  color: #15803d;
}

.product-chevron {
  width: 9px;
  height: 9px;
  border-right: 2px solid #64748b;
  border-bottom: 2px solid #64748b;
  transform: rotate(45deg);
  transition: transform .2s;
}

.product-summary[aria-expanded="true"] .product-chevron {
  transform: rotate(225deg);
}

.product-details {
  display: block;
  padding: 18px 20px 22px;
  border-top: 1px solid var(--line);
  background: #f8fafc;
}

.product-details[hidden] {
  display: none;
}

.supplier-offers {
  margin-top: 24px !important;
  padding-top: 18px;
  border-top: 1px solid #d9e1eb;
}

.supplier-offers-title {
  margin-bottom: 10px;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: .04em;
  text-transform: uppercase;
}

.supplier-offer {
  overflow: hidden;
  margin: 10px 0 0;
  border: 1px solid var(--line);
  border-left: 4px solid var(--supplier-color);
  border-radius: 12px;
  background: #fff;
}

.supplier-product-summary,
.supplier-detail-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 160px 150px 18px;
  gap: 22px;
}

.supplier-product-summary {
  align-items: center;
  padding: 15px 16px;
}

.supplier-product-identity {
  display: grid;
  min-width: 0;
}

.supplier-product-identity > strong {
  overflow: hidden;
  font-size: 14px;
  line-height: 1.35;
  text-overflow: ellipsis;
}

.supplier-product-details {
  padding: 5px 16px 9px;
  border-top: 1px solid var(--line);
  background: #f8fafc;
}

.supplier-detail-row {
  align-items: center;
  padding: 6px 0;
  border-bottom: 1px solid #e6ebf2;
  font-size: 12px;
}

.supplier-detail-row:last-child {
  border-bottom: 0;
}

.supplier-detail-row > span {
  color: #475569;
  text-align: right;
}

.supplier-detail-row > strong {
  text-align: right;
  white-space: nowrap;
}

.supplier-price > strong {
  grid-column: 2;
}

.supplier-stock > strong {
  grid-column: 3;
}

.supplier-results-title {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin: 28px 0 4px;
  padding: 16px 18px;
  border-radius: 12px;
  background: #e9eef5;
  color: #334155;
}

.supplier-results-title span {
  color: var(--muted);
  font-size: 13px;
}

.detail-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 160px 150px 18px;
  gap: 22px;
  align-items: center;
  padding: 7px 0;
  border-bottom: 1px solid #e6ebf2;
  font-size: 13px;
}

.detail-row:last-child {
  border-bottom: 0;
}

.detail-row span {
  color: #475569;
  text-align: right;
}

.detail-row strong {
  text-align: right;
  white-space: nowrap;
}

.detail-price strong {
  grid-column: 2;
}

.detail-stock strong {
  grid-column: 3;
}

.detail-empty {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
}

.detail-price-empty span {
  grid-column: 2;
}

.detail-stock-empty span {
  grid-column: 3;
}

.load-more {
  display: flex;
  margin: 8px auto 60px;
}

.load-more[hidden] {
  display: none;
}

@media (max-width: 800px) {
  .catalog-search {
    grid-template-columns: 1fr;
  }

  .supplier-search-toggle {
    white-space: normal;
  }

  .product-summary {
    grid-template-columns: minmax(0, 1fr) 18px;
    gap: 10px 14px;
  }

  .catalog-columns {
    grid-template-columns: 1fr;
  }

  .catalog-columns span:not(:first-child) {
    display: none;
  }

  .product-minimum,
  .product-availability {
    grid-column: 1;
    text-align: left;
  }

  .product-minimum {
    display: block;
  }

  .product-minimum small {
    margin-right: 4px;
  }

  .product-chevron {
    grid-column: 2;
    grid-row: 1 / 4;
  }

  .product-details {
    padding: 18px;
  }

  .detail-row {
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 14px;
  }

  .detail-row span {
    text-align: left;
  }

  .detail-price strong,
  .detail-stock strong,
  .detail-price-empty span,
  .detail-stock-empty span {
    grid-column: 2;
  }

  .supplier-product-summary,
  .supplier-detail-row {
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 14px;
  }

  .supplier-product-summary .product-minimum,
  .supplier-product-summary .product-availability {
    grid-column: 1;
  }

  .supplier-product-summary > span:last-child {
    display: none;
  }

  .supplier-detail-row > span {
    text-align: left;
  }

  .supplier-price > strong,
  .supplier-stock > strong {
    grid-column: 2;
  }
}

/* Сравнение цен и график в карточке товара */
.price-diff{display:block;margin-top:2px;font-size:11px;font-weight:750;white-space:nowrap}
.price-diff.down{color:#16a34a}
.price-diff.up{color:#b45309}
.comparison-strip{display:flex;gap:10px;align-items:stretch;flex-wrap:wrap;margin-bottom:16px}
.plate{display:grid;gap:1px;padding:9px 14px;border-radius:10px}
.plate small{font-size:10px;font-weight:800;text-transform:uppercase;letter-spacing:.04em}
.plate strong{font-size:16px;white-space:nowrap}
.plate-onec{background:#fff7ed;border:1px solid #fdba74;color:#9a3412}
.plate-onec strong{color:#7c2d12}
.plate-supplier{background:#eff6ff;border:1px solid #93c5fd;color:#1e40af}
.plate-supplier strong{color:#1e3a8a}
.plate-diff{align-self:center;padding:5px 11px;border-radius:99px;font-size:13px;font-weight:800}
.plate-diff.down{background:#dcfce7;color:#15803d}
.plate-diff.up{background:#fee2e2;color:#b91c1c}
.price-chart{margin-top:18px;padding-top:14px;border-top:1px solid #d9e1eb}
.price-chart .chart-toggle{margin:0;padding:9px 13px;font-size:12px}
.chart-body{margin-top:12px}
.chart-body[hidden]{display:none}
.chart-body svg{width:100%;height:auto;background:#fff;border:1px solid var(--line);border-radius:12px}
.chart-grid{stroke:#e2e8f0;stroke-width:1}
.chart-label{fill:#64748b;font-size:11px}
.chart-legend{display:flex;gap:16px;margin-bottom:8px;font-size:12px;color:#475569}
.chart-key{display:inline-flex;align-items:center;gap:6px;font-weight:700}
.chart-key i{width:14px;height:3px;border-radius:2px}
.chart-empty{margin:0;padding:14px;border:1px dashed var(--line);border-radius:10px;color:#64748b;font-size:13px}
@media(max-width:800px){.price-diff{white-space:normal}}

/* Миниатюры и описание товара */
.product-identity{grid-template-columns:44px minmax(0,1fr);gap:12px;align-items:center}
.product-identity-text{display:grid;min-width:0}
.product-identity-text>strong{overflow:hidden;font-size:16px;line-height:1.35;text-overflow:ellipsis}
.product-thumb{width:44px;height:44px;border-radius:9px;object-fit:contain;background:#fff;border:1px solid var(--line)}
.product-thumb-empty{display:grid;place-items:center;color:#cbd5e1}
.product-thumb-empty svg{width:24px;height:24px}
.supplier-product-identity{grid-template-columns:36px minmax(0,1fr);gap:10px;align-items:center;display:grid}
.supplier-product-identity .product-identity-text>strong{font-size:14px}
.offer-thumb{width:36px;height:36px}
.product-info{display:flex;gap:18px;align-items:flex-start;margin-bottom:16px}
.product-photo{width:min(220px,40%);max-height:220px;border:1px solid var(--line);border-radius:12px;background:#fff;object-fit:contain}
.product-description{flex:1;margin:0;color:#334155;font-size:13px;line-height:1.6;white-space:pre-line}
@media(max-width:800px){
  .product-identity{grid-template-columns:38px minmax(0,1fr)}
  .product-thumb{width:38px;height:38px}
  .product-info{display:block}
  .product-photo{width:100%;max-height:260px;margin-bottom:10px}
}

/* Единая ценовая матрица (по прототипу) */
.catalog-columns{grid-template-columns:minmax(0,1fr) 110px 18px}
.product-summary{grid-template-columns:minmax(0,1fr) 110px 18px}
.product-subline .product-sku{white-space:nowrap}
.product-subline .source-badge{white-space:nowrap}
.price-chips{display:flex;gap:6px;flex-wrap:wrap;margin-top:7px}
.price-chip{display:inline-flex;align-items:center;gap:6px;padding:4px 9px;border:1px solid var(--line);border-left:4px solid var(--chip-color,#94a3b8);border-radius:9px;background:#fff;font-size:12.5px;font-weight:750;white-space:nowrap}
.price-chip b{font-size:10px;font-weight:800;color:#475569;text-transform:uppercase;letter-spacing:.02em}
.price-chip.chip-onec{border-color:#fdba74;border-left-color:#f59e0b;background:#fff7ed;color:#7c2d12}
.price-chip.chip-onec b{color:#9a3412}
.price-chip.chip-best{box-shadow:0 0 0 2px #bbf7d0;border-color:#86efac}
.price-chip i{font-style:normal;font-size:10.5px;font-weight:800}
.price-chip i.down{color:#16a34a}
.price-chip i.up{color:#dc2626}
.price-chip small{color:#94a3b8;font-size:10px;font-weight:600}
.price-matrix{display:grid;gap:14px}
.matrix-section{overflow:hidden;border:1px solid var(--line);border-radius:12px;background:#fff}
.matrix-title{padding:8px 14px;background:#f1f5f9;color:#475569;font-size:11px;font-weight:800;letter-spacing:.05em;text-transform:uppercase}
.matrix-row{display:grid;grid-template-columns:max-content minmax(0,1fr) auto max-content;gap:14px;align-items:center;padding:7px 14px;border-top:1px solid #eef2f7;font-size:13px}
.matrix-section .matrix-row:first-of-type{border-top:0}
.matrix-badge{display:inline-flex;justify-content:center;width:100%;min-width:0;box-sizing:border-box;padding:2px 9px;border-radius:99px;background:var(--chip-color,#64748b);color:#fff;font-size:10px;font-weight:800;white-space:nowrap}
.matrix-badge.badge-onec{background:#fff3cd;color:#7a5200;border:1px solid #f1d17b}
.matrix-name{color:#475569;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.matrix-date{color:#94a3b8;font-size:11px;white-space:nowrap}
.matrix-value{text-align:right;white-space:nowrap}
.supplier-names{margin-top:12px}
.supplier-names summary{cursor:pointer;color:#2563eb;font-size:12.5px;font-weight:700}
.supplier-name-row{display:flex;gap:10px;align-items:center;padding:7px 0;border-bottom:1px solid #eef2f7;font-size:13px}
.supplier-name-row:last-child{border-bottom:0}
.supplier-name-row small{color:#94a3b8}
.supplier-name-row .matrix-badge{width:auto;min-width:0;flex:none}
@media(max-width:800px){
  .product-summary{grid-template-columns:minmax(0,1fr) 18px}
  .price-chip{font-size:12px}
  .price-chip small{display:none}
  .matrix-row{grid-template-columns:max-content minmax(0,1fr) max-content;gap:10px}
  .matrix-date{display:none}
  .matrix-name{white-space:normal}
}
.price-chip em{font-style:normal;color:#15803d;font-size:10.5px;font-weight:700}

/* Уточнения: рамка чипов, остаток в чипе 1С, свёрнутое описание */
.price-chip{border-color:#c2cfdd;border-left-color:var(--chip-color,#94a3b8)}
@supports (color: color-mix(in srgb, red 50%, white)) {
  .price-chip{border-color:color-mix(in srgb, var(--chip-color,#94a3b8) 45%, #dde5ee);border-left-color:var(--chip-color,#94a3b8)}
  .price-chip.chip-onec{border-color:#fdba74;border-left-color:#f59e0b}
  .price-chip.chip-best{border-color:#86efac}
}
.price-chip em.zero{color:#94a3b8}
.product-availability small{white-space:nowrap}
.inline-details summary{cursor:pointer;color:#2563eb;font-size:12.5px;font-weight:700}
.product-description-details{flex:1;min-width:0}
.product-description-details .product-description{margin-top:8px}
.catalog-columns{grid-template-columns:minmax(0,1fr) 18px}
.product-summary{grid-template-columns:minmax(0,1fr) 18px}
.price-chip .chip-pair{display:inline-flex;gap:5px;align-items:baseline}
.price-chip u{text-decoration:none;color:#64748b;font-size:9px;font-weight:800;text-transform:uppercase}
.matrix-row.row-virtual{background:#faf9ff}
.matrix-row.row-virtual .matrix-name{color:#111827;font-weight:750}
.matrix-row.row-virtual .matrix-value{color:#4c1d95}
.virtual-tag{margin-left:8px;padding:1px 7px;border-radius:99px;background:#ede9fe;color:#6d28d9;font-size:9.5px;font-style:normal;font-weight:800;text-transform:uppercase;letter-spacing:.03em}
.supplier-name-row>span:last-child{min-width:0;overflow-wrap:anywhere}

/* Эталонное описание и свойства: признаки в строке, вкладки в карточке */
.content-flag{display:inline-flex;align-items:center;margin-left:6px;padding:1px 7px;border-radius:999px;font-size:11px;font-weight:600;color:#94a3b8;background:#f1f5f9;border:1px solid #e2e8f0}
.content-flag.on{color:#166534;background:#dcfce7;border-color:#bbf7d0}
.content-tabs{display:flex;flex-wrap:wrap;gap:6px;align-items:center;margin:-6px 0 14px}
.content-tab{padding:6px 14px;border:1px solid #d9e1eb;border-radius:999px;background:#fff;font-size:13px;font-weight:600;color:#334155;cursor:pointer}
.content-tab.active{background:#1e293b;border-color:#1e293b;color:#fff}
.content-tab.disabled{color:#94a3b8;background:#f1f5f9;cursor:default}
.content-tabs .fill-content{margin-left:auto;font-size:12.5px}
.content-panel .product-description{margin:0 0 10px;line-height:1.5;max-width:70ch}
.content-source{margin:0;font-size:12px;color:#64748b}
.empty-note{margin:0;color:#94a3b8;font-size:13px}
.properties-table{border-collapse:collapse;width:100%;max-width:760px;margin-bottom:10px;font-size:13.5px}
.properties-table th,.properties-table td{padding:6px 10px;border-bottom:1px solid #e2e8f0;text-align:left;vertical-align:top}
.properties-table th{width:38%;font-weight:600;color:#334155;background:#f8fafc}
.properties-table tr.proposed th{color:#7c3aed}
.properties-table small{color:#64748b;font-weight:400}

/* Ручное объединение карточек и отвязка строк поставщика */
.merge-box{margin:14px 0 4px}
.merge-panel{margin-top:10px;display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.merge-panel .merge-query{flex:1 1 320px;min-width:200px;padding:8px 10px;border:1px solid #d9e1eb;border-radius:8px;font-size:13.5px}
.merge-results{flex-basis:100%;display:flex;flex-direction:column;gap:6px}
.merge-result{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:8px 10px;background:#fff;border:1px solid #e2e8f0;border-radius:8px;font-size:13.5px}
.merge-result small{color:#64748b}
.link-button{background:none;border:none;padding:0 0 0 8px;color:#b91c1c;font-size:12px;cursor:pointer;text-decoration:underline}
.supplier-name-row{display:flex;align-items:center;gap:8px;flex-wrap:wrap}