:root {
  --catalog-bg: #090b10;
  --catalog-panel: #11151d;
  --catalog-panel-raised: #171c26;
  --catalog-border: #2a3240;
  --catalog-text: #f5f7fb;
  --catalog-muted: #aab3c2;
  --catalog-accent: #8b7cff;
  --catalog-accent-strong: #a99cff;
  --catalog-good: #65d6a3;
  --catalog-radius: 16px;
}

html { color-scheme: dark; scroll-behavior: smooth; }
.catalog-body { margin: 0; background: var(--catalog-bg); color: var(--catalog-text); overflow-wrap: anywhere; }
.catalog-body main { width: min(1480px, calc(100% - 40px)); margin: 0 auto; }
.catalog-body a { color: inherit; text-underline-offset: .2em; }
.catalog-body button, .catalog-body input, .catalog-body select, .catalog-body summary { font: inherit; touch-action: manipulation; }
.catalog-body button, .catalog-body select, .catalog-body input { border: 1px solid var(--catalog-border); color: var(--catalog-text); background: var(--catalog-panel); }
.catalog-body button { min-height: 42px; padding: 0 14px; border-radius: 10px; cursor: pointer; }
.catalog-body button:hover, .catalog-body a:hover { color: var(--catalog-accent-strong); border-color: var(--catalog-accent); }
.catalog-body :focus-visible { outline: 3px solid var(--catalog-accent-strong); outline-offset: 3px; }
.catalog-body [hidden] { display: none !important; }
.skip-link { position: fixed; z-index: 100; inset: 12px auto auto 12px; padding: 10px 14px; background: var(--catalog-text); color: var(--catalog-bg); transform: translateY(-180%); }
.skip-link:focus { transform: translateY(0); }
.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; }

.catalog-hero, .model-hero { display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(250px, .6fr); gap: 48px; align-items: end; padding: 72px 0 48px; }
.catalog-hero h1, .model-hero h1 { max-width: 850px; margin: 10px 0 18px; font-size: clamp(2.4rem, 5vw, 5.4rem); line-height: .98; letter-spacing: -.055em; text-wrap: balance; }
.catalog-hero p, .model-hero p { max-width: 720px; color: var(--catalog-muted); font-size: 1.08rem; line-height: 1.7; }
.eyebrow, .provider-label { color: var(--catalog-accent-strong); font-size: .76rem; font-weight: 750; letter-spacing: .11em; text-transform: uppercase; }
.catalog-summary { display: grid; gap: 4px; padding: 24px; border: 1px solid var(--catalog-border); border-radius: var(--catalog-radius); background: linear-gradient(145deg, rgba(139,124,255,.16), rgba(17,21,29,.9)); }
.catalog-summary strong { font-size: 3.2rem; line-height: 1; font-variant-numeric: tabular-nums; }
.catalog-summary span, .catalog-summary small { color: var(--catalog-muted); }

.catalog-layout { display: grid; grid-template-columns: 280px minmax(0, 1fr); gap: 28px; align-items: start; padding-bottom: 64px; }
.catalog-filters { position: sticky; top: 82px; max-height: calc(100vh - 100px); overflow: auto; padding: 18px; border: 1px solid var(--catalog-border); border-radius: var(--catalog-radius); background: rgba(17,21,29,.96); overscroll-behavior: contain; }
.filter-heading { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.filter-heading h2 { margin: 0; font-size: 1.2rem; }
.filter-heading > div { display: flex; gap: 8px; }
.filter-drawer-close, .filter-drawer-trigger, .filter-scrim { display: none; }
.search-label { display: block; margin: 18px 0 8px; color: var(--catalog-muted); font-size: .82rem; }
#model-search, #model-sort { min-height: 44px; border-radius: 10px; }
#model-search { width: 100%; padding: 0 12px; }
.catalog-filters details { border-top: 1px solid var(--catalog-border); padding: 14px 0; }
.catalog-filters details:first-of-type { margin-top: 18px; }
.catalog-filters summary { cursor: pointer; font-weight: 700; }
.catalog-filters details > label { display: flex; align-items: center; gap: 10px; min-height: 42px; color: var(--catalog-muted); cursor: pointer; }
.catalog-filters input[type="checkbox"] { width: 18px; height: 18px; accent-color: var(--catalog-accent); }
.filter-boundary { color: var(--catalog-muted); font-size: .78rem; line-height: 1.5; }

.catalog-results { min-width: 0; }
.catalog-toolbar { position: sticky; z-index: 4; top: 72px; display: flex; flex-wrap: wrap; align-items: center; gap: 10px; padding: 12px; border: 1px solid var(--catalog-border); border-radius: 14px; background: rgba(9,11,16,.92); backdrop-filter: blur(14px); }
#model-result-count { margin: 0 auto 0 0; font-weight: 720; font-variant-numeric: tabular-nums; }
.catalog-toolbar label { color: var(--catalog-muted); font-size: .85rem; }
#model-sort { padding: 0 34px 0 10px; background-color: var(--catalog-panel); }
.catalog-toolbar [role="group"] { display: flex; gap: 6px; }
.catalog-toolbar [aria-pressed="true"] { border-color: var(--catalog-accent); background: rgba(139,124,255,.18); }
.active-filters { display: flex; flex-wrap: wrap; gap: 8px; min-height: 24px; margin: 14px 0; }
.filter-chip { min-height: 34px !important; padding: 0 10px !important; border-radius: 999px !important; color: var(--catalog-accent-strong) !important; background: rgba(139,124,255,.12) !important; }
.model-comparison { margin: 0 0 18px; padding: 22px; border: 1px solid var(--catalog-accent); border-radius: var(--catalog-radius); background: linear-gradient(145deg, rgba(139,124,255,.12), var(--catalog-panel)); }
.comparison-heading { display: flex; align-items: end; justify-content: space-between; gap: 20px; }
.comparison-heading h2 { margin: 5px 0 0; text-wrap: balance; }
.comparison-heading p { color: var(--catalog-muted); }
.comparison-grid { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 12px; margin-top: 18px; }
.comparison-grid article { min-width: 0; padding: 16px; border: 1px solid var(--catalog-border); border-radius: 12px; background: var(--catalog-bg); }
.comparison-grid h3 { margin: 0 0 14px; overflow-wrap: anywhere; }
.comparison-grid dl { display: grid; gap: 8px; margin: 0; }
.comparison-grid dl > div { display: grid; grid-template-columns: 72px minmax(0,1fr); gap: 8px; }
.comparison-grid dt { color: var(--catalog-muted); font-size: .76rem; }
.comparison-grid dd { min-width: 0; margin: 0; font-variant-numeric: tabular-nums; overflow-wrap: anywhere; }

.model-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
.model-card { min-width: 0; padding: 20px; border: 1px solid var(--catalog-border); border-radius: var(--catalog-radius); background: var(--catalog-panel); content-visibility: auto; contain-intrinsic-size: auto 420px; }
.model-card:hover { border-color: #47536a; background: var(--catalog-panel-raised); }
.model-card-head { display: flex; justify-content: space-between; gap: 16px; align-items: start; }
.model-card h2 { margin: 5px 0 0; font-size: 1.08rem; overflow-wrap: anywhere; }
.status-badge { flex: 0 0 auto; padding: 5px 8px; border: 1px solid var(--catalog-border); border-radius: 999px; color: var(--catalog-muted); font-size: .72rem; text-transform: capitalize; }
.status-active { border-color: rgba(101,214,163,.35); color: var(--catalog-good); }
.model-facts { display: grid; gap: 10px; margin: 20px 0; }
.model-facts > div { display: grid; grid-template-columns: 120px minmax(0, 1fr); gap: 14px; }
.model-facts dt, .model-hero-facts dt, .rate-grid dt { color: var(--catalog-muted); font-size: .78rem; }
.model-facts dd, .model-hero-facts dd, .rate-grid dd { min-width: 0; margin: 0; font-variant-numeric: tabular-nums; }
.model-date { color: var(--catalog-muted); font-size: .76rem; line-height: 1.5; }
.model-card-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; padding-top: 14px; border-top: 1px solid var(--catalog-border); }
.model-card-actions a { margin-right: auto; }
.model-card-actions label { display: flex; align-items: center; gap: 7px; min-height: 42px; cursor: pointer; }

.catalog-table { overflow-x: auto; border: 1px solid var(--catalog-border); border-radius: var(--catalog-radius); }
.catalog-table table, .table-shell table { width: 100%; border-collapse: collapse; font-variant-numeric: tabular-nums; }
.catalog-table th, .catalog-table td, .table-shell th, .table-shell td { padding: 14px; border-bottom: 1px solid var(--catalog-border); text-align: left; white-space: nowrap; }
.catalog-table th, .table-shell th { color: var(--catalog-muted); font-size: .76rem; letter-spacing: .06em; text-transform: uppercase; }
.no-results, .protocol-boundary, .premium-catalog-preview, .rate-section, .request-example, .evidence-note { margin: 28px 0 64px; padding: 28px; border: 1px solid var(--catalog-border); border-radius: var(--catalog-radius); background: var(--catalog-panel); }
.protocol-boundary { display: flex; justify-content: space-between; gap: 28px; align-items: end; }
.protocol-boundary h2, .section-head h2 { text-wrap: balance; }

.breadcrumbs { display: flex; gap: 10px; padding-top: 36px; color: var(--catalog-muted); }
.model-id-copy { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }
.model-id-copy code { padding: 12px; border: 1px solid var(--catalog-border); border-radius: 10px; background: var(--catalog-panel); overflow-wrap: anywhere; }
.model-hero-facts, .rate-grid { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 12px; }
.model-hero-facts > div, .rate-grid > div { padding: 16px; border: 1px solid var(--catalog-border); border-radius: 12px; background: var(--catalog-panel); }
.model-detail-grid { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 16px; }
.model-detail-grid article { padding: 24px; border: 1px solid var(--catalog-border); border-radius: var(--catalog-radius); background: var(--catalog-panel); }
.verification-section { margin: 64px 0; }
.section-head { display: flex; justify-content: space-between; gap: 24px; align-items: end; }
.table-shell { overflow-x: auto; border: 1px solid var(--catalog-border); border-radius: var(--catalog-radius); }
.request-example pre { overflow: auto; padding: 18px; border-radius: 12px; background: #05070a; }
.request-example code { white-space: pre; }

@media (max-width: 1100px) {
  .model-grid { grid-template-columns: 1fr; }
}

@media (max-width: 900px) {
  .catalog-body main { width: min(100% - 28px, 760px); }
  .catalog-hero, .model-hero { grid-template-columns: 1fr; gap: 24px; padding-top: 48px; }
  .catalog-layout { display: block; }
  .filter-drawer-trigger { display: inline-flex; align-items: center; }
  .filter-drawer-close { display: inline-flex; }
  .catalog-enhanced .catalog-filters { position: fixed; z-index: 31; inset: 0 auto 0 0; width: min(88vw, 360px); max-height: none; border-radius: 0 18px 18px 0; padding: max(18px, env(safe-area-inset-top)) 18px max(18px, env(safe-area-inset-bottom)); transform: translateX(-105%); opacity: 0; transition: transform 180ms ease, opacity 180ms ease; }
  .catalog-enhanced .catalog-filters.is-open { transform: translateX(0); opacity: 1; }
  .catalog-enhanced .filter-scrim { position: fixed; z-index: 30; inset: 0; width: 100%; height: 100%; border: 0; border-radius: 0; background: rgba(0,0,0,.62); }
  .catalog-enhanced .filters-open .filter-scrim { display: block; }
  .filters-open { overflow: hidden; }
  .catalog-toolbar { top: 62px; }
  .model-detail-grid { grid-template-columns: 1fr; }
  .comparison-grid { grid-template-columns: 1fr; }
}

@media (max-width: 560px) {
  .catalog-body .header-inner { display: grid; grid-template-columns: auto 1fr auto; gap: 10px 14px; align-items: center; padding: 12px 10px 8px; }
  .catalog-body .brand { min-width: max-content; white-space: nowrap; }
  .catalog-body .header-inner > .button { min-width: max-content; white-space: nowrap; }
  .catalog-body .nav-links { grid-column: 1 / -1; grid-row: 2; display: flex; justify-content: space-between; gap: 8px; width: 100%; padding: 2px 0 8px; overflow-x: auto; white-space: nowrap; overscroll-behavior-inline: contain; font-size: .86rem; }
  .catalog-body main { width: min(100% - 20px, 520px); }
  .catalog-hero h1, .model-hero h1 { font-size: clamp(2.2rem, 13vw, 3.5rem); }
  .catalog-toolbar { align-items: stretch; }
  #model-result-count { flex: 1 1 50%; align-self: center; }
  #model-sort { flex: 1 1 100%; }
  .catalog-toolbar [role="group"] { flex: 1 1 100%; }
  .catalog-toolbar [role="group"] button { flex: 1; }
  .model-card { padding: 16px; }
  .model-facts > div { grid-template-columns: 1fr; gap: 3px; }
  .model-card-actions > * { flex: 1 1 auto; justify-content: center; text-align: center; }
  .protocol-boundary, .section-head { display: block; }
  .model-hero-facts, .rate-grid { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .catalog-enhanced .catalog-filters { transition: none; }
}