:root {
  --brand: #0878df;
  --brand-dark: #075baa;
  --ink: #172234;
  --muted: #66758a;
  --line: #dce3eb;
  --surface: #ffffff;
  --canvas: #f3f6f9;
  --success: #147d55;
  --shadow: 0 8px 28px rgba(23, 34, 52, .08);
}

* { box-sizing: border-box; }
body { margin: 0; background: var(--canvas); color: var(--ink); font: 15px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; }
a { color: var(--brand-dark); }
button, input, select { font: inherit; }
.shell { width: min(1440px, calc(100% - 40px)); margin: 0 auto; }
.skip-link { position: absolute; top: -100px; left: 12px; z-index: 1000; padding: 10px 14px; background: #fff; }
.skip-link:focus { top: 12px; }
.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; }

.site-header { background: var(--surface); border-bottom: 1px solid var(--line); }
.header-row { min-height: 92px; display: flex; align-items: center; justify-content: space-between; }
.brand img { width: 180px; height: auto; }
.inventory-link { display: flex; align-items: center; gap: 9px; padding: 10px 14px; border: 1px solid var(--line); border-radius: 12px; text-decoration: none; font-weight: 650; }
.inventory-link strong { display: grid; place-items: center; min-width: 24px; height: 24px; padding: 0 6px; border-radius: 12px; background: var(--brand); color: #fff; }
.site-nav { background: #12283d; color: #fff; }
.nav-row { min-height: 56px; display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.nav-brand, .nav-links a { color: #fff; text-decoration: none; font-weight: 650; }
.nav-links { display: flex; align-items: center; gap: 26px; }
.usage { color: #c5d2df; font-size: 14px; }
.usage strong { color: #fff; }
.page-content { padding: 32px 0 56px; }

.search-panel { padding: 28px; background: linear-gradient(135deg, #fff 0%, #f8fbff 100%); border: 1px solid var(--line); border-radius: 18px; box-shadow: var(--shadow); }
.search-heading { display: flex; justify-content: space-between; align-items: flex-end; gap: 24px; margin-bottom: 24px; }
.eyebrow { margin: 0 0 4px; color: var(--brand-dark); font-size: 12px; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
.search-heading h1 { margin: 0; font-size: clamp(25px, 3vw, 38px); letter-spacing: -.025em; }
.search-heading p:not(.eyebrow) { margin: 6px 0 0; color: var(--muted); }
.updated { flex: 0 0 auto; padding: 8px 12px; border-radius: 9px; background: #eaf4ff; color: #31506d; font-size: 13px; }
.primary-search { position: relative; display: flex; }
.primary-search i { position: absolute; left: 18px; top: 50%; transform: translateY(-50%); color: #7a8999; font-size: 18px; }
.primary-search input { width: 100%; height: 54px; padding: 0 145px 0 50px; border: 2px solid #cdd8e4; border-radius: 12px; background: #fff; outline: none; font-size: 17px; }
.primary-search input:focus { border-color: var(--brand); box-shadow: 0 0 0 4px rgba(8,120,223,.12); }
.primary-search button, .filter-actions button { min-width: 124px; border: 0; border-radius: 9px; background: var(--brand); color: #fff; font-weight: 750; }
.primary-search button { position: absolute; top: 6px; right: 6px; bottom: 6px; }
.active-filter-bar { display: flex; align-items: center; gap: 10px; margin-top: 12px; padding: 8px 10px; border-radius: 10px; background: #eef4fa; }
.active-filter-bar[hidden] { display: none !important; }
.active-filter-label { flex: 0 0 auto; color: #63758a; font-size: 10px; font-weight: 850; letter-spacing: .07em; text-transform: uppercase; }
.active-filter-chips { min-width: 0; display: flex; flex: 1 1 auto; flex-wrap: wrap; gap: 7px; }
.active-filter-chip { max-width: 290px; min-height: 30px; display: inline-flex; align-items: center; gap: 6px; padding: 4px 9px; border: 1px solid #bdd7ef; border-radius: 16px; background: #fff; color: #244968; text-decoration: none; line-height: 1.2; }
.active-filter-chip:hover { border-color: #83b6e5; background: #f8fcff; color: #173f61; text-decoration: none; }
.active-filter-chip:focus-visible { outline: 3px solid rgba(8,120,223,.2); outline-offset: 1px; }
.active-filter-chip span { color: #668097; font-size: 10px; font-weight: 750; text-transform: uppercase; }
.active-filter-chip strong { min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: 12px; }
.active-filter-chip i { flex: 0 0 auto; margin-left: 2px; color: #7890a7; font-size: 10px; }
.clear-all-filters { flex: 0 0 auto; padding: 5px 4px; font-size: 12px; font-weight: 750; }
.active-filter-bar:not([hidden]) + .filter-toggle { margin-top: 10px; }
.filter-toggle { width: 100%; min-height: 52px; display: flex; align-items: center; justify-content: space-between; gap: 18px; margin-top: 16px; padding: 8px 14px; border: 1px solid #dce5ee; border-radius: 11px; background: #fff; color: #26384b; text-align: left; }
.filter-toggle:hover { border-color: #b8c9d9; background: #fbfdff; }
.filter-toggle-title, .filter-toggle-meta { display: flex; align-items: center; }
.filter-toggle-title { gap: 9px; }
.filter-toggle-title > i { color: var(--brand); }
.filter-toggle-title strong, .filter-toggle-title small { display: block; }
.filter-toggle-title strong { font-size: 14px; }
.filter-toggle-title small { color: var(--muted); font-size: 12px; font-weight: 400; }
.filter-toggle-meta { flex: 0 0 auto; gap: 10px; color: #52657a; font-size: 12px; font-weight: 700; }
.active-filter-count { flex: 0 0 auto; padding: 4px 9px; border-radius: 12px; background: #e7f2fd; color: var(--brand-dark); font-size: 11px; font-weight: 800; }
.filter-chevron { transition: transform .18s ease; }
.filter-toggle[aria-expanded="false"] .filter-chevron { transform: rotate(180deg); }
.filter-grid { margin-top: 8px; overflow: hidden; border: 1px solid #dce5ee; border-radius: 11px; background: #f7f9fc; }
.filter-grid[hidden] { display: none !important; }
.filter-select-grid { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 14px; padding: 16px; }
.filter-field, .range-filter legend { margin: 0 0 6px; color: #46576b; font-size: 12px; font-weight: 750; }
.filter-grid select, .filter-grid input { width: 100%; height: 42px; padding: 0 11px; border: 1px solid #cbd5e0; border-radius: 8px; background: #fff; color: var(--ink); }
.filter-grid select:focus, .filter-grid input:focus { border-color: var(--brand); outline: 0; box-shadow: 0 0 0 3px rgba(8,120,223,.1); }
.filter-lower-row { display: flex; align-items: flex-end; justify-content: space-between; gap: 22px; padding: 15px 16px 16px; border-top: 1px solid #e2e8ef; background: #f2f6fa; }
.dimension-filters { min-width: 0; display: flex; align-items: flex-end; gap: 16px; }
.dimension-heading { min-height: 42px; display: flex; align-items: center; gap: 9px; padding-right: 5px; color: #34495e; }
.dimension-heading i { color: #7890a7; }
.dimension-heading span, .dimension-heading small { display: block; }
.dimension-heading strong { font-size: 13px; }
.dimension-heading small { margin-top: -2px; color: var(--muted); font-size: 10px; text-transform: uppercase; }
.range-filter { width: 250px; margin: 0; padding: 0; border: 0; }
.range-inputs { display: grid; grid-template-columns: minmax(75px, 1fr) 18px minmax(75px, 1fr); align-items: center; }
.range-inputs span { color: #8a98a7; text-align: center; }
.filter-actions { flex: 0 0 auto; display: flex; align-items: center; justify-content: flex-end; gap: 14px; }
.filter-actions a { min-height: 44px; display: inline-flex; align-items: center; font-weight: 650; }
.filter-actions button { min-height: 44px; padding: 0 18px; }
.filter-actions button i { margin-right: 5px; }
.auto-filter-status { display: none; align-items: center; gap: 6px; color: var(--success); font-size: 12px; font-weight: 700; }
.catalogue-search.auto-enabled .auto-filter-status { display: inline-flex; }
.catalogue-search.auto-enabled .filter-actions button { display: none; }
.results-section { transition: opacity .16s ease; }
.results-section.is-updating { opacity: .48; pointer-events: none; }

.results-section { margin-top: 30px; }
.results-toolbar { display: flex; align-items: center; justify-content: space-between; margin-bottom: 16px; }
.results-toolbar h2 { margin: 0; font-size: 23px; }
.results-toolbar p { margin: 2px 0 0; color: var(--muted); }
.view-switch { display: flex; padding: 3px; border: 1px solid var(--line); border-radius: 9px; background: #fff; }
.view-switch button { width: 40px; height: 36px; border: 0; border-radius: 6px; background: transparent; color: var(--muted); }
.view-switch button.active { background: #e9f3fd; color: var(--brand-dark); }
.catalogue-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
.part-card { min-width: 0; overflow: hidden; background: #fff; border: 1px solid var(--line); border-radius: 16px; box-shadow: 0 4px 16px rgba(23,34,52,.05); transition: transform .18s ease, box-shadow .18s ease; }
.part-card:hover { transform: translateY(-2px); box-shadow: var(--shadow); }
.part-image { position: relative; aspect-ratio: 16 / 9; overflow: hidden; background: #edf1f5; }
.part-image > a { display: block; width: 100%; height: 100%; }
.part-image img { width: 100%; height: 100%; object-fit: contain; background: #f7f8fa; }
.hidden-gallery-image { display: none !important; }
.image-count { position: absolute; right: 10px; bottom: 10px; padding: 5px 9px; border-radius: 8px; background: rgba(10,24,38,.8); color: #fff; font-size: 12px; }
.image-placeholder { height: 100%; display: grid; place-content: center; gap: 6px; color: #8290a0; text-align: center; }
.image-placeholder i { font-size: 28px; }
.part-body { padding: 18px; }
.part-title-row { display: flex; align-items: start; justify-content: space-between; gap: 10px; }
.part-title-row h3 { margin: 0; font-size: 19px; line-height: 1.25; }
.part-id { color: #8a97a5; font-size: 12px; }
.part-meta { display: grid; grid-template-columns: 1fr 1fr; gap: 10px 16px; margin: 18px 0; }
.part-meta div { min-width: 0; }
.part-meta dt { color: var(--muted); font-size: 11px; letter-spacing: .04em; text-transform: uppercase; }
.part-meta dd { margin: 1px 0 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-weight: 650; }
.oe-number { max-height: 74px; margin-bottom: 16px; padding: 10px 12px; overflow: auto; border-radius: 9px; background: #f4f6f8; font-size: 13px; }
.oe-number span { display: block; color: var(--muted); font-size: 10px; font-weight: 800; letter-spacing: .06em; text-transform: uppercase; }
.part-actions { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.button { min-height: 46px; padding: 8px 10px; border: 0; border-radius: 9px; color: #fff; font-weight: 750; }
.button-price { background: #d83a4a; }
.button-price.is-loaded { background: var(--success); }
.button-inventory { background: var(--brand); }
.button:disabled { opacity: .65; }
.catalogue-grid.list-view { grid-template-columns: 1fr; }
.catalogue-grid.list-view .part-card { display: grid; grid-template-columns: 260px 1fr; }
.catalogue-grid.list-view .part-image { aspect-ratio: 4 / 3; }
.pagination-wrap { display: flex; justify-content: center; align-items: center; gap: 16px; margin-top: 30px; }
.pagination-wrap > a, .page-numbers a { min-width: 44px; min-height: 44px; display: inline-flex; align-items: center; justify-content: center; gap: 7px; padding: 0 12px; border: 1px solid var(--line); border-radius: 9px; background: #fff; text-decoration: none; font-weight: 650; }
.page-numbers { display: flex; gap: 6px; }
.page-numbers a.active { border-color: var(--brand); background: var(--brand); color: #fff; }
.empty-state { padding: 70px 20px; border: 1px dashed #bdc9d5; border-radius: 16px; background: #fff; text-align: center; }
.empty-state i { color: #91a0af; font-size: 34px; }
.empty-state h2 { margin: 12px 0 4px; }
.empty-state p { color: var(--muted); }
.toast-message { position: fixed; right: 22px; bottom: 22px; z-index: 1100; max-width: 360px; padding: 13px 17px; border-radius: 10px; background: #13283c; color: #fff; box-shadow: var(--shadow); opacity: 0; transform: translateY(12px); pointer-events: none; transition: .2s; }
.toast-message.show { opacity: 1; transform: translateY(0); }

body.inspect-open { overflow: hidden; }
.inspect-viewer { position: fixed; inset: 0; z-index: 20000; color: #f5f8fc; }
.inspect-viewer[hidden], .inspect-arrow[hidden], .inspect-thumbs[hidden] { display: none !important; }
.inspect-backdrop { position: absolute; inset: 0; background: rgba(10, 19, 31, .96); }
.inspect-window { position: relative; width: min(1600px, 100%); height: 100vh; height: 100dvh; margin: 0 auto; padding: 14px 22px 18px; display: flex; flex-direction: column; gap: 12px; }
.inspect-toolbar { min-height: 54px; display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 10px 18px; }
.inspect-heading { min-width: 0; display: flex; align-items: baseline; gap: 12px; }
.inspect-title { max-width: min(55vw, 600px); margin: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: 19px; font-weight: 700; }
.inspect-count { flex: 0 0 auto; color: #afc0d2; font-size: 13px; }
.inspect-controls { display: flex; align-items: center; gap: 7px; }
.inspect-controls button, .inspect-arrow, .inspect-thumb { min-width: 44px; min-height: 44px; border: 1px solid #556779; border-radius: 9px; background: #24384d; color: #fff; cursor: pointer; }
.inspect-controls button { padding: 0 11px; font-size: 18px; font-weight: 650; }
.inspect-controls [data-inspect-mode], .inspect-controls [data-inspect-reset] { font-size: 13px; }
.inspect-controls button:hover, .inspect-arrow:hover { background: #36516b; }
.inspect-controls [aria-pressed="true"] { border-color: #81b9ed; background: #075baa; }
.inspect-close { margin-left: 7px; }
.inspect-viewer button:focus-visible, .inspect-stage:focus-visible { outline: 3px solid #89c8ff; outline-offset: 2px; }
.inspect-stage { position: relative; min-height: 0; flex: 1 1 auto; overflow: hidden; border: 1px solid #34485e; border-radius: 12px; background: #111c2a; touch-action: none; cursor: zoom-in; }
.inspect-stage.is-zoomed { cursor: grab; }
.inspect-stage.is-inspecting { cursor: crosshair; }
.inspect-image { position: absolute; top: 50%; left: 50%; max-width: none; max-height: none; object-fit: contain; pointer-events: none; user-select: none; -webkit-user-drag: none; will-change: transform; }
.inspect-arrow { position: absolute; z-index: 2; top: 50%; width: 50px; height: 58px; transform: translateY(-50%); background: rgba(36, 56, 77, .82); font-size: 32px; line-height: 1; }
.inspect-prev { left: 12px; }
.inspect-next { right: 12px; }
.inspect-hint { position: absolute; z-index: 1; right: 12px; bottom: 12px; padding: 7px 10px; border-radius: 8px; background: rgba(10, 19, 31, .78); color: #d2dfec; font-size: 12px; line-height: 1.3; pointer-events: none; }
.inspect-thumbs { min-height: 70px; display: flex; justify-content: center; gap: 9px; overflow-x: auto; }
.inspect-thumb { width: 68px; height: 68px; padding: 2px; flex: 0 0 auto; background: #17283b; }
.inspect-thumb.active { border: 2px solid #90c9ff; }
.inspect-thumb img { width: 100%; height: 100%; object-fit: contain; }
.inspect-stage.inspect-error .inspect-image { display: none; }

@media (max-width: 1100px) {
  .catalogue-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .filter-select-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .dimension-heading { display: none; }
  .range-filter { width: 220px; }
}
@media (max-width: 760px) {
  .shell { width: min(100% - 24px, 1440px); }
  .header-row { min-height: 72px; }
  .brand img { width: 140px; }
  .inventory-link span { display: none; }
  .nav-row { min-height: 50px; }
  .usage { display: none; }
  .nav-links { gap: 16px; }
  .page-content { padding-top: 18px; }
  .search-panel { padding: 18px; border-radius: 14px; }
  .search-heading { display: block; }
  .updated { display: inline-block; margin-top: 12px; }
  .primary-search input { padding-right: 52px; }
  .primary-search button { min-width: 44px; width: 44px; overflow: hidden; color: transparent; }
  .primary-search button::after { content: "\f002"; position: absolute; inset: 0; display: grid; place-items: center; color: #fff; font-family: FontAwesome; }
  .active-filter-bar { align-items: flex-start; flex-wrap: wrap; }
  .active-filter-chips { flex-basis: calc(100% - 60px); }
  .clear-all-filters { margin-left: auto; }
  .filter-toggle { min-height: 48px; }
  .filter-toggle-title small { display: none; }
  .filter-select-grid { grid-template-columns: 1fr 1fr; padding: 14px; }
  .filter-lower-row { display: block; padding: 14px; }
  .dimension-filters { display: grid; grid-template-columns: 1fr 1fr; }
  .range-filter { width: auto; }
  .filter-actions { margin-top: 16px; }
  .catalogue-grid { grid-template-columns: 1fr; }
  .catalogue-grid.list-view .part-card { display: block; }
  .catalogue-grid.list-view .part-image { aspect-ratio: 16 / 9; }
  .view-switch { display: none; }
  .part-card:hover { transform: none; }
  .pagination-wrap { justify-content: space-between; }
  .page-numbers { display: none; }
	.inspect-window { padding: 10px 12px 14px; gap: 8px; }
	.inspect-toolbar { align-items: flex-start; }
	.inspect-heading { width: 100%; }
	.inspect-title { max-width: calc(100vw - 125px); font-size: 16px; }
	.inspect-controls { width: 100%; justify-content: space-between; gap: 4px; }
	.inspect-controls button { padding: 0 8px; }
	.inspect-close { margin-left: 0; }
	.inspect-hint { left: 10px; right: 10px; text-align: center; }
	.inspect-arrow { width: 44px; height: 52px; }
	.inspect-prev { left: 5px; }
	.inspect-next { right: 5px; }
}
@media (max-width: 430px) {
  .active-filter-label { display: none; }
  .active-filter-chips { flex-basis: calc(100% - 55px); }
  .active-filter-chip { max-width: 100%; }
  .filter-select-grid, .dimension-filters { grid-template-columns: 1fr; }
  .filter-actions { justify-content: space-between; }
  .part-actions { grid-template-columns: 1fr; }
}