/* Shared catalog + search styles (SciEngTech Option A palette) */
:root {
  --bg: #0E1118;
  --bg-elevated: #161B26;
  --bg-light: #1C2230;
  --text: #FFFFFF;
  --text-muted: #64748B;
  --accent: #E11D48;
  --accent-hover: #BE123C;
  --border: #2A3142;
}

.mono { font-family: 'JetBrains Mono', ui-monospace, monospace; font-size: 0.75rem; }

/* Header actions (cart + search) */
.nav-actions,
.nav-search {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.cart-trigger {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg-light);
  color: rgba(255,255,255,0.85);
  text-decoration: none;
  transition: border-color 0.2s, color 0.2s;
}
.cart-trigger:hover { border-color: rgba(225,29,72,0.45); color: #fff; }
.cart-count {
  position: absolute;
  top: -6px;
  right: -6px;
  min-width: 18px;
  height: 18px;
  padding: 0 5px;
  border-radius: 999px;
  background: var(--accent);
  color: #fff;
  font: 600 0.65rem/18px 'JetBrains Mono', monospace;
  text-align: center;
}
.search-trigger {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-width: 220px;
  padding: 8px 14px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg-light);
  color: var(--text-muted);
  font: 500 0.8125rem/1 'Inter', sans-serif;
  cursor: pointer;
  transition: border-color 0.2s, color 0.2s;
}
.search-trigger:hover { border-color: rgba(225,29,72,0.45); color: #fff; }
.search-icon {
  flex-shrink: 0;
  color: rgba(255,255,255,0.85);
}
.search-label { white-space: nowrap; }
.search-trigger kbd {
  margin-left: auto;
  font: 500 0.65rem/1 'JetBrains Mono', monospace;
  padding: 3px 6px;
  border-radius: 4px;
  border: 1px solid var(--border);
  color: var(--text-muted);
  background: var(--bg-elevated);
}

@media (max-width: 1024px) {
  .nav-actions {
    gap: 8px;
    align-items: center;
    margin-left: auto;
  }
  .cart-trigger,
  .search-trigger,
  .nav-menu-toggle {
    width: 44px;
    height: 44px;
    min-width: 44px;
    max-width: 44px;
    padding: 0;
    gap: 0;
    justify-content: center;
    flex-shrink: 0;
    box-sizing: border-box;
    border: 1px solid var(--border);
    border-radius: 8px;
    background: var(--bg-light);
  }
  .search-trigger,
  .nav-menu-toggle {
    -webkit-appearance: none;
    appearance: none;
    font: inherit;
  }
  .cart-icon,
  .search-icon {
    width: 20px;
    height: 20px;
    display: block;
    flex-shrink: 0;
  }
  .search-trigger span:not(.search-icon),
  .search-trigger .search-label,
  .search-trigger kbd { display: none; }
  .search-icon {
    display: block;
    flex-shrink: 0;
    color: rgba(255, 255, 255, 0.85);
  }
}

/* Search overlay */
.search-panel {
  position: fixed;
  inset: 0;
  z-index: 10000;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding: 96px 20px 40px;
  pointer-events: none;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.2s, visibility 0.2s;
}
.search-panel.is-open {
  pointer-events: auto;
  opacity: 1;
  visibility: visible;
}
.search-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.72);
  backdrop-filter: blur(4px);
}
.search-dialog {
  position: relative;
  width: min(720px, 100%);
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 12px;
  box-shadow: 0 32px 64px rgba(0,0,0,0.55);
  overflow: hidden;
}
.search-dialog-head {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  border-bottom: 1px solid var(--border);
}
.search-dialog-head input {
  flex: 1;
  border: none;
  background: transparent;
  color: #fff;
  font: 500 1rem/1.4 'Inter', sans-serif;
  outline: none;
}
.search-dialog-head input::placeholder { color: var(--text-muted); }
.search-close {
  border: none;
  background: transparent;
  color: var(--text-muted);
  font-size: 1.25rem;
  cursor: pointer;
  padding: 4px 8px;
  border-radius: 6px;
}
.search-close:hover { color: #fff; background: rgba(255,255,255,0.06); }
.search-results-wrap {
  max-height: min(60vh, 480px);
  overflow-y: auto;
  padding: 12px 0;
}
#searchStatus {
  padding: 0 16px 8px;
  font: 500 0.6875rem/1 'JetBrains Mono', monospace;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-muted);
}
.search-hint, .search-empty {
  padding: 20px 16px;
  color: var(--text-muted);
  font-size: 0.9rem;
}
.search-empty a { color: var(--accent); }
.search-result-list { list-style: none; margin: 0; padding: 0; }
.search-result-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 12px 16px;
  text-decoration: none;
  color: inherit;
  transition: background 0.15s;
}
.search-result-item:hover,
.search-result-item.is-active { background: rgba(255,255,255,0.05); }
.search-result-thumb {
  width: 48px;
  height: 48px;
  object-fit: cover;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: var(--bg);
  flex-shrink: 0;
}
.search-result-thumb--empty {
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-size: 1.1rem;
}
.search-result-body { display: flex; flex-direction: column; gap: 2px; min-width: 0; }
.search-result-body strong {
  font: 600 0.9rem/1.3 'Space Grotesk', sans-serif;
  color: #fff;
}
.search-result-meta {
  font-size: 0.75rem;
  color: var(--text-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.search-result-sku { color: var(--accent); margin-top: 2px; }
.search-view-all {
  display: block;
  padding: 12px 16px 16px;
  text-align: center;
  color: var(--accent);
  font: 600 0.8125rem/1 'Space Grotesk', sans-serif;
  text-decoration: none;
  border-top: 1px solid var(--border);
}
body.search-open { overflow: hidden; }

/* Catalog page */
.catalog-page { padding: 40px 0 80px; }
.catalog-hero h1 {
  font: 700 clamp(1.75rem, 4vw, 2.25rem)/1.15 'Space Grotesk', sans-serif;
  margin-bottom: 8px;
}
.catalog-hero p { color: var(--text-muted); max-width: 56ch; margin-bottom: 28px; }
.category-intro { margin-bottom: 36px; }
.category-intro .lead {
  color: var(--text);
  font: 500 1.125rem/1.5 'Inter', sans-serif;
  max-width: 62ch;
  margin-bottom: 16px;
}
.category-intro__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 28px 40px;
  margin: 28px 0;
}
.category-intro__heading {
  font: 600 0.75rem/1 'JetBrains Mono', monospace;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 12px;
}
.category-intro__closing {
  max-width: 62ch;
  margin-bottom: 0;
}
.category-intro__closing a {
  color: var(--accent);
  text-decoration: none;
}
.category-intro__closing a:hover { text-decoration: underline; }
.catalog-toolbar {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 28px;
}
.catalog-toolbar-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  width: 100%;
}
.catalog-filter-row-label {
  font: 600 0.6875rem/1 'JetBrains Mono', monospace;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  flex: 0 0 auto;
}
.catalog-search-input {
  flex: 1;
  min-width: 240px;
  padding: 12px 16px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg-light);
  color: #fff;
  font: 500 0.9375rem/1 'Inter', sans-serif;
}
.catalog-search-input:focus { outline: 2px solid rgba(225,29,72,0.35); border-color: var(--accent); }
.catalog-filters { display: flex; flex-wrap: wrap; gap: 8px; }
.filter-chip {
  padding: 8px 14px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text-muted);
  font: 500 0.8125rem/1 'Inter', sans-serif;
  cursor: pointer;
  transition: all 0.15s;
}
.filter-chip:hover, .filter-chip.is-active {
  border-color: var(--accent);
  color: #fff;
  background: rgba(225,29,72,0.12);
}
.catalog-meta {
  font: 500 0.75rem/1 'JetBrains Mono', monospace;
  color: var(--text-muted);
  margin-bottom: 20px;
  letter-spacing: 0.04em;
}
.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 20px;
}
.product-card {
  display: flex;
  flex-direction: column;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--bg-elevated);
  overflow: hidden;
  text-decoration: none;
  color: inherit;
  transition: border-color 0.2s, transform 0.2s;
}
.product-card:hover {
  border-color: rgba(225,29,72,0.5);
  transform: translateY(-2px);
}
.product-card-media {
  position: relative;
  width: 100%;
  aspect-ratio: 4 / 3;
  min-height: 0;
  flex-shrink: 0;
  background: #fff;
  overflow: hidden;
  border-bottom: 1px solid var(--border);
}
.product-card-media img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}
.product-card-media .placeholder {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  color: var(--border);
}
.product-card-body { padding: 16px; flex: 1; display: flex; flex-direction: column; gap: 6px; }
.product-card-type {
  display: inline-block;
  width: fit-content;
  padding: 3px 8px;
  border-radius: 4px;
  font: 600 0.625rem/1 'JetBrains Mono', monospace;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: #fff;
  background: rgba(225, 29, 72, 0.35);
}
.product-card-type--component {
  background: rgba(100, 116, 139, 0.35);
}
.product-card-cat {
  font: 600 0.625rem/1 'Space Grotesk', sans-serif;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
}
.product-card-body h2 {
  font: 600 1rem/1.3 'Space Grotesk', sans-serif;
}
.product-card-spec { font-size: 0.75rem; color: var(--text-muted); }
.product-card-sku { font-size: 0.7rem; color: var(--accent); margin-top: auto; padding-top: 8px; }

/* Product detail */
.product-detail { padding: 40px 0 80px; }
.product-breadcrumb {
  font-size: 0.8125rem;
  color: var(--text-muted);
  margin-bottom: 24px;
}
.product-breadcrumb a { color: var(--text-muted); text-decoration: none; }
.product-breadcrumb a:hover { color: var(--accent); }
.product-detail-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: start;
}
.product-detail-media {
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--bg-elevated);
  overflow: hidden;
  padding: 12px;
}
.product-detail-media > .placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  aspect-ratio: 4 / 3;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: #fff;
  font-size: 4rem;
  color: var(--border);
}
.product-media-gallery {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.product-media-stage {
  position: relative;
  width: 100%;
  aspect-ratio: 4 / 3;
  min-height: 0;
  padding: 0;
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
  background: #fff;
  cursor: zoom-in;
  -webkit-appearance: none;
  appearance: none;
  font: inherit;
  color: inherit;
  display: block;
}
.product-media-stage::after {
  content: '';
  position: absolute;
  right: 10px;
  bottom: 10px;
  width: 28px;
  height: 28px;
  border-radius: 6px;
  background: rgba(14, 17, 24, 0.72) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='none' stroke='%23fff' stroke-width='1.75' viewBox='0 0 24 24'%3E%3Cpath d='M8 3H5a2 2 0 0 0-2 2v3m18 0V5a2 2 0 0 0-2-2h-3m0 18h3a2 2 0 0 0 2-2v-3M3 16v3a2 2 0 0 0 2 2h3'/%3E%3C/svg%3E") center / 14px no-repeat;
  pointer-events: none;
  opacity: 0.85;
}
.product-media-stage img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
  pointer-events: none;
}
.product-custom-table-wrap {
  overflow: hidden;
}
.product-custom-table-scroll {
  overflow-x: auto;
}
.product-custom-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
  text-align: left;
}
.product-custom-table th,
.product-custom-table td {
  text-align: left;
  vertical-align: top;
  padding: 10px 14px;
  border-bottom: 1px solid var(--border);
}
.product-custom-table th {
  color: var(--text-muted);
  font-weight: 600;
  background: rgba(255, 255, 255, 0.02);
}
.product-custom-table tbody tr:last-child td {
  border-bottom: none;
}
.product-variant-table th,
.product-variant-table td {
  text-align: left;
}
.product-media-thumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.product-media-thumb {
  width: 72px;
  height: 54px;
  padding: 0;
  border: 2px solid var(--border);
  border-radius: 6px;
  background: #fff;
  cursor: pointer;
  overflow: hidden;
  flex-shrink: 0;
}
.product-media-thumb:hover { border-color: #94a3b8; }
.product-media-thumb.is-active {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px var(--accent);
}
.product-media-thumb img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}

/* Product image lightbox */
body.product-lightbox-open { overflow: hidden; }
.product-lightbox {
  position: fixed;
  inset: 0;
  z-index: 20000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 48px 72px;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.2s, visibility 0.2s;
}
.product-lightbox.is-open {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}
.product-lightbox__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.92);
  border: none;
  cursor: zoom-out;
}
.product-lightbox__panel {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  width: min(1200px, 96vw);
  max-height: 92vh;
}
.product-lightbox__stage {
  width: 100%;
  max-height: calc(92vh - 40px);
  background: #fff;
  border-radius: 10px;
  padding: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.45);
}
.product-lightbox__stage img {
  max-width: 100%;
  max-height: calc(92vh - 72px);
  object-fit: contain;
  display: block;
}
.product-lightbox__counter {
  font: 500 0.75rem/1 'JetBrains Mono', monospace;
  color: rgba(255, 255, 255, 0.72);
  letter-spacing: 0.04em;
}
.product-lightbox__close,
.product-lightbox__nav {
  position: absolute;
  z-index: 2;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 8px;
  background: rgba(14, 17, 24, 0.82);
  color: #fff;
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s;
}
.product-lightbox__close:hover,
.product-lightbox__nav:hover {
  border-color: rgba(255, 255, 255, 0.42);
  background: rgba(14, 17, 24, 0.96);
}
.product-lightbox__close {
  top: 16px;
  right: 16px;
  width: 44px;
  height: 44px;
  font-size: 1.5rem;
  line-height: 1;
}
.product-lightbox__nav {
  top: 50%;
  transform: translateY(-50%);
  width: 48px;
  height: 48px;
  font-size: 1.75rem;
  line-height: 1;
}
.product-lightbox__nav--prev { left: 16px; }
.product-lightbox__nav--next { right: 16px; }
.product-lightbox__nav:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}

@media (max-width: 720px) {
  .product-lightbox { padding: 56px 12px 24px; }
  .product-lightbox__nav { width: 40px; height: 40px; }
  .product-lightbox__nav--prev { left: 8px; }
  .product-lightbox__nav--next { right: 8px; }
}
.product-overline {
  font: 600 0.6875rem/1 'Space Grotesk', sans-serif;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 8px;
}
.product-detail h1 {
  font: 700 clamp(1.5rem, 3vw, 2rem)/1.2 'Space Grotesk', sans-serif;
  margin-bottom: 8px;
}
.product-sku-line {
  font: 500 0.8125rem/1 'JetBrains Mono', monospace;
  color: var(--text-muted);
  margin-bottom: 16px;
}
.product-highlight {
  font: 500 0.8125rem/1.5 'JetBrains Mono', monospace;
  color: #fff;
  padding: 12px 14px;
  background: var(--bg-light);
  border: 1px solid var(--border);
  border-radius: 8px;
  margin-bottom: 20px;
}
.product-summary { color: var(--text-muted); margin-bottom: 24px; }
.spec-table-detail {
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
  margin-bottom: 28px;
}
.spec-table-detail header {
  padding: 10px 14px;
  background: var(--bg-light);
  font: 600 0.6875rem/1 'JetBrains Mono', monospace;
  letter-spacing: 0.08em;
  border-bottom: 1px solid var(--border);
}
.spec-table-detail .spec-row {
  display: grid;
  grid-template-columns: minmax(8rem, 0.4fr) 1fr;
  gap: 16px;
  padding: 10px 14px;
  border-bottom: 1px solid var(--border);
  font-size: 0.875rem;
  text-align: left;
  justify-content: stretch;
}
.spec-table-detail .spec-row:last-child { border-bottom: none; }
.spec-table-detail .spec-row span:first-child { color: var(--text-muted); text-align: left; }
.spec-table-detail .spec-row span:last-child { text-align: left; font-weight: 500; margin-left: 0; }
/* Optics / product spec tables: keep both columns left-aligned */
.product-detail .spec-table-detail .spec-row,
.product-spec-tabs .spec-table-detail .spec-row {
  justify-content: stretch;
  text-align: left;
}
.product-detail .spec-table-detail .spec-row span,
.product-detail .spec-table-detail .spec-row span:last-child,
.product-spec-tabs .spec-table-detail .spec-row span,
.product-spec-tabs .spec-table-detail .spec-row span:last-child {
  text-align: left;
  margin-left: 0;
}
.product-detail .knowledge-prose table th,
.product-detail .knowledge-prose table td,
.product-html-body.knowledge-prose table th,
.product-html-body.knowledge-prose table td {
  text-align: left;
}
.requirements-panel {
  margin-top: 16px;
  padding: 16px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg-light);
}
.product-rfq-section {
  margin: 20px 0 28px;
}
.product-rfq-section > .btn {
  margin-bottom: 0;
}
.product-ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 8px;
}
.requirements-textarea {
  width: 100%;
  margin: 12px 0;
  padding: 12px;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
  font: 0.875rem/1.5 Inter, system-ui, sans-serif;
  resize: vertical;
}
.requirements-status {
  margin-top: 10px;
  font-size: 0.8125rem;
  color: var(--accent);
}
.knowledge-article-hero {
  margin: 0 0 28px;
  border-radius: 10px;
  overflow: hidden;
  border: 1px solid var(--border);
  background: #000;
}
.knowledge-article-hero img {
  display: block;
  width: 100%;
  max-height: 420px;
  object-fit: contain;
}
.checkout-empty-hint {
  color: var(--text-muted);
  font-size: 0.875rem;
  margin: 8px 0 16px;
}
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 22px;
  border-radius: 6px;
  font: 600 0.875rem/1 'Space Grotesk', sans-serif;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background 0.2s, border-color 0.2s;
}
.btn-ruby { background: var(--accent); color: #fff; }
.btn-ruby:hover { background: var(--accent-hover); }
.btn-outline { border-color: var(--border); color: #fff; background: transparent; }
.btn-outline:hover { border-color: #fff; }
.product-not-found { padding: 80px 0; text-align: center; }
.product-not-found h1 { margin-bottom: 12px; }

.product-detail-main { min-width: 0; }
.product-html-body { margin-top: 8px; }
.product-empty-note {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin: 8px 0 0;
}
.product-aliases {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin: -4px 0 12px;
  line-height: 1.5;
}
.product-tagline {
  font-size: 1rem;
  color: var(--text-muted);
  margin-bottom: 16px;
  line-height: 1.5;
}
.product-section-title {
  font: 600 0.75rem/1 'Space Grotesk', sans-serif;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 28px 0 12px;
}
.product-detail-blocks {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-bottom: 8px;
}
.product-detail-block { min-width: 0; }
.product-bullet-list {
  margin: 0;
  padding-left: 1.15rem;
  color: var(--text-muted);
  font-size: 0.875rem;
  line-height: 1.6;
}
.product-bullet-list li + li { margin-top: 6px; }
.product-solution-section { margin-bottom: 8px; }
.product-variant-section { margin: 8px 0 24px; }
.product-variant-table-wrap {
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow-x: auto;
}
.product-variant-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.8125rem;
}
.product-variant-table th,
.product-variant-table td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
  text-align: left;
  white-space: nowrap;
}
.product-variant-table th {
  background: var(--bg-light);
  font: 600 0.6875rem/1 'JetBrains Mono', monospace;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-muted);
}
.product-variant-table tbody tr:hover { background: rgba(255, 255, 255, 0.02); }
.product-variant-table tbody tr:last-child td { border-bottom: none; }
.variant-rfq-link {
  color: var(--accent);
  font-weight: 600;
  text-decoration: none;
  font-size: 0.75rem;
}
.variant-rfq-link:hover { text-decoration: underline; }
.product-variant-note {
  margin-top: 10px;
  font-size: 0.8125rem;
  color: var(--text-muted);
  font-style: italic;
}
.product-variant-picker {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 14px;
}
.variant-picker-chip {
  display: inline-block;
  padding: 8px 12px;
  border: 1px solid var(--border);
  border-radius: 999px;
  font: 500 0.75rem/1 'JetBrains Mono', monospace;
  color: var(--text-muted);
  background: var(--bg-light);
  cursor: pointer;
  transition: border-color 0.15s, color 0.15s, background 0.15s;
}
.variant-picker-chip:hover {
  border-color: var(--accent);
  color: #fff;
}
.variant-picker-chip.is-active {
  border-color: var(--accent);
  color: #fff;
  background: rgba(196, 30, 58, 0.15);
}
.product-variant-table tbody tr.variant-row-selectable {
  cursor: pointer;
}
.product-variant-table tbody tr.variant-row-selectable.is-selected {
  background: rgba(196, 30, 58, 0.08);
}
.product-config-section { margin: 8px 0 24px; }
.product-config-hint {
  font-size: 0.8125rem;
  color: var(--text-muted);
  margin: 0 0 16px;
}
.config-option-group { margin-bottom: 16px; }
.config-option-label {
  display: block;
  font: 600 0.6875rem/1 'JetBrains Mono', monospace;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 8px;
}
.config-option-values { display: flex; flex-wrap: wrap; gap: 8px; }
.config-chip {
  display: inline-block;
  padding: 6px 10px;
  border: 1px solid var(--border);
  border-radius: 999px;
  font: 500 0.75rem/1 'JetBrains Mono', monospace;
  color: #fff;
  background: var(--bg-light);
}
.product-spec-tabs { margin-top: 8px; }
.product-spec-tabs .rfq-tabs { margin-bottom: 20px; }
.rfq-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 16px;
}
.rfq-tab {
  padding: 8px 14px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: transparent;
  color: var(--text-muted);
  font: 600 0.8125rem/1 'Space Grotesk', sans-serif;
  cursor: pointer;
  transition: border-color 0.2s, color 0.2s;
}
.rfq-tab:hover { border-color: rgba(225, 29, 72, 0.5); color: #fff; }
.rfq-tab.is-active {
  border-color: var(--accent);
  color: #fff;
  background: rgba(225, 29, 72, 0.12);
}
.rfq-panel { display: none; }
.rfq-panel.is-active { display: block; }
.rfq-panel-intro {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin: 0 0 12px;
}
.product-custom-note {
  font-size: 0.9375rem;
  color: var(--accent);
  padding: 12px 14px;
  border: 1px solid rgba(225, 29, 72, 0.35);
  border-radius: 8px;
  background: rgba(225, 29, 72, 0.08);
  margin-bottom: 20px;
}

.variant-cart-btn,
[data-add-to-cart][data-cart-flash] {
  transition: background 0.15s, color 0.15s;
}
.variant-cart-btn {
  padding: 6px 12px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: transparent;
  color: var(--accent);
  font: 600 0.75rem/1 'Space Grotesk', sans-serif;
  cursor: pointer;
}
.variant-cart-btn:hover { border-color: var(--accent); color: #fff; background: rgba(225,29,72,0.12); }

/* Checkout */
.checkout-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
  margin-top: 32px;
  align-items: start;
}
.checkout-panel {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 24px;
}
.checkout-panel h2 {
  font: 600 1.05rem/1.3 'Space Grotesk', sans-serif;
  margin-bottom: 16px;
}
.checkout-panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 16px;
}
.checkout-panel-head h2 { margin-bottom: 0; }
.checkout-clear-link {
  border: none;
  background: none;
  color: var(--text-muted);
  font-size: 0.8125rem;
  cursor: pointer;
  text-decoration: underline;
}
.checkout-clear-link:hover { color: var(--accent); }
.checkout-empty { text-align: center; padding: 24px 12px; }
.checkout-empty p { color: var(--text-muted); margin-bottom: 16px; }
.checkout-cart-list { display: flex; flex-direction: column; gap: 12px; }
.checkout-cart-row {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  padding: 14px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg-light);
}
.checkout-cart-info { display: flex; flex-direction: column; gap: 4px; min-width: 0; }
.checkout-cart-info strong { font-size: 0.9375rem; }
.checkout-cart-variant { font-size: 0.8125rem; color: var(--text-muted); }
.checkout-cart-sku { color: var(--text-muted); }
.checkout-cart-actions { display: flex; flex-direction: column; align-items: flex-end; gap: 8px; flex-shrink: 0; }
.checkout-qty-label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.75rem;
  color: var(--text-muted);
}
.checkout-qty-input {
  width: 64px;
  padding: 6px 8px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--bg-elevated);
  color: #fff;
  font: 500 0.8125rem/1 'JetBrains Mono', monospace;
}
.checkout-remove-btn {
  border: none;
  background: none;
  color: var(--text-muted);
  font-size: 0.75rem;
  cursor: pointer;
  text-decoration: underline;
}
.checkout-remove-btn:hover { color: var(--accent); }
.checkout-form-hint { font-size: 0.8125rem; color: var(--text-muted); margin-bottom: 20px; }
.checkout-form-hint .req,
.checkout-field .req { color: var(--accent); }
.checkout-field { margin-bottom: 16px; }
.checkout-field label {
  display: block;
  font: 500 0.8125rem/1 'Inter', sans-serif;
  margin-bottom: 6px;
}
.checkout-field input,
.checkout-field textarea {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg-light);
  color: #fff;
  font: 400 0.9375rem/1.4 'Inter', sans-serif;
}
.checkout-field input:focus,
.checkout-field textarea:focus {
  outline: none;
  border-color: rgba(225,29,72,0.55);
}
.checkout-form-error {
  color: #fca5a5;
  font-size: 0.875rem;
  margin-bottom: 12px;
}
.checkout-config-warn {
  padding: 12px 14px;
  margin-bottom: 16px;
  border-radius: 8px;
  border: 1px dashed rgba(225,29,72,0.45);
  background: rgba(225,29,72,0.08);
  font-size: 0.8125rem;
  color: var(--text-muted);
}
.checkout-config-warn code { font-family: 'JetBrains Mono', monospace; font-size: 0.75rem; }
.checkout-submit { width: 100%; margin-top: 4px; }
.checkout-form-foot {
  margin-top: 12px;
  font-size: 0.75rem;
  color: var(--text-muted);
  line-height: 1.5;
}

@media (max-width: 900px) {
  .product-detail-grid { grid-template-columns: 1fr; }
  .product-detail-blocks { grid-template-columns: 1fr; }
  .checkout-layout { grid-template-columns: 1fr; }
}