/* ---------- Product detail page (PDP) — two-column shopping layout ---------- */
  .pdpback{display:inline-flex;align-items:center;gap:6px;cursor:pointer;color:var(--dim);background:var(--panel2);border:1px solid var(--line);border-radius:8px;padding:6px 13px;font-size:13px;font-weight:600;margin-bottom:16px;text-decoration:none}
  .pdpback:hover{border-color:var(--link);color:var(--txt)}
  .pdp{max-width:1180px}
  /* header: breadcrumb · name · identity chips */
  .pdp-top{margin:0 0 20px}
  .pdp-crumb{display:flex;align-items:center;gap:8px;font-size:12px;color:var(--dim);margin-bottom:10px;flex-wrap:wrap}
  .pdp-crumb a{color:var(--dim);text-decoration:none}
  .pdp-crumb a:hover{color:var(--txt)}
  .pdp-crumb .sep{opacity:.45}
  /* brand masthead — proper-noun weight directly above the model name (owner: same visual weight as the name) */
  .pdp-brand{font-size:24px;font-weight:700;letter-spacing:-.3px;line-height:1.15;margin:2px 0 1px}
  .pdp-name{font-size:26px;font-weight:700;letter-spacing:-.5px;line-height:1.2;margin:0 0 11px;color:var(--txt);max-width:900px}
  .pdp-chips{display:flex;flex-wrap:wrap;gap:8px;align-items:center}
  .pdp-model{font-size:11px;color:var(--dim);font-family:ui-monospace,Menlo,Consolas,monospace;letter-spacing:.2px}
  .pdp-model b{font-family:-apple-system,Segoe UI,Roboto,sans-serif;font-weight:600;text-transform:uppercase;letter-spacing:.4px;font-size:9.5px;margin-right:4px;opacity:.85}
  /* the grid: scrollable content + sticky buy box */
  .pdp-grid{display:grid;grid-template-columns:minmax(0,1fr) 330px;gap:24px;align-items:start}
  .pdp-main{min-width:0}
  .pdp-aside{position:sticky;top:14px}
  /* buy box */
  .buybox{background:linear-gradient(180deg,var(--panel) 0%,var(--panel2) 100%);border:1px solid var(--line);border-radius:16px;padding:18px}
  .bb-price{font-size:30px;font-weight:750;color:var(--txt);font-variant-numeric:tabular-nums;letter-spacing:-.6px;line-height:1.1}
  .bb-list{color:var(--dim);text-decoration:line-through;font-size:15px;font-weight:400;margin-left:7px}
  .bb-save{color:var(--ok);font-weight:600;font-size:13px;margin-left:5px}
  .bb-range{display:block;font-size:12.5px;color:var(--link);margin-top:7px;font-variant-numeric:tabular-nums}
  .bb-none{font-size:17px;color:var(--dim);font-weight:600}
  .bb-meta{display:flex;flex-wrap:wrap;gap:8px 14px;align-items:center;margin-top:12px}
  .bb-stock{display:inline-flex;align-items:center;gap:6px;font-size:12.5px;color:var(--ok)}
  .bb-stock::before{content:"";width:7px;height:7px;border-radius:50%;background:currentColor;flex:none}
  .bb-stock.oos{color:var(--gap)}
  .bb-rate{color:#e0b34d;font-size:13px}
  .buybox .wtb{margin-top:15px;flex-direction:column;align-items:stretch;gap:8px}
  .buybox .wtb-label{margin-bottom:1px}
  .buybox .wtb-btn{justify-content:center}
  .buybox .wtb-retail{display:flex;flex-direction:column;gap:8px}
  /* freshness footnote — buyer-facing "as of <date>" data-recency signal (product.observed_at) */
  .bb-asof{margin-top:14px;padding-top:12px;border-top:1px solid var(--line);font-size:11px;color:var(--dim);font-variant-numeric:tabular-nums;cursor:help}
  .bb-asof .asof-ago{opacity:.7}
  .bb-asof.asof-stale{color:var(--warn)}
  .bb-asof .asof-warn{display:inline-block;margin-left:6px;padding:1px 6px;border-radius:5px;background:#1c1611;border:1px solid #4a3a14;color:var(--warn);font-weight:600;font-size:9.5px;text-transform:uppercase;letter-spacing:.4px}
  /* at-a-glance key specs */
  .keyspecs{display:grid;grid-template-columns:repeat(auto-fill,minmax(165px,1fr));gap:10px;margin:0 0 18px}
  .keyspec{display:flex;gap:11px;align-items:flex-start;background:var(--panel2);border:1px solid var(--line);border-radius:12px;padding:11px 13px}
  .keyspec .ks-ic{color:var(--link);flex:none;margin-top:1px;opacity:.9}
  .keyspec .ks-tx{display:flex;flex-direction:column;gap:2px;min-width:0}
  .keyspec .ks-k{font-size:9.5px;text-transform:uppercase;letter-spacing:.5px;color:var(--dim);font-weight:700}
  .keyspec .ks-v{font-size:13px;color:var(--txt);line-height:1.3;overflow:hidden;text-overflow:ellipsis;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}
  /* grouped spec key/values inside the Specifications card */
  .specgroups{column-width:330px;column-gap:30px}
  .specgroup{break-inside:avoid;margin:0 0 18px}
  .specgroup:last-child{margin-bottom:0}
  .specgroup-h{font-size:10.5px;text-transform:uppercase;letter-spacing:.6px;color:var(--accent);font-weight:700;margin:0 0 5px;opacity:.95}
  .speckv{display:grid;grid-template-columns:minmax(96px,42%) 1fr;margin:0}
  .speckv dt{color:var(--dim);font-size:12px;padding:5px 12px 5px 0;border-top:1px solid var(--line);line-height:1.35}
  .speckv dd{color:var(--txt);font-size:12.5px;margin:0;padding:5px 0;border-top:1px solid var(--line);line-height:1.35;word-break:break-word}
  .speckv dt:nth-of-type(1),.speckv dd:nth-of-type(1){border-top:0}
  #view-product .sgrid{max-width:none}
  #view-product .spark svg{max-width:640px}
  .wtbfoot{display:none}   /* desktop: the sticky buy box carries the CTA; foot CTA is mobile-only */

  /* ---------- About ---------- */
  .about{max-width:860px;font-size:13.5px;line-height:1.65}
  .about h3{margin:22px 0 6px;font-size:14px}
  .about code{background:var(--panel2);padding:1px 6px;border-radius:5px;font-size:12px}
  .about ul{padding-left:20px}
  .pill{display:inline-block;font-size:11px;border:1px solid var(--line);border-radius:20px;padding:2px 10px;color:var(--dim);margin-right:6px}
  #err{margin:14px 0;padding:12px 16px;border:1px solid #5a2a2a;background:#1c1113;border-radius:10px;color:var(--gap);font-size:13px;display:none}
  /* ── Responsive: phones/small tablets. The catalog table → stacked product cards so price + the retail
        buy-link (the click-through) are visible without a 1700px horizontal scroll. Only .ctbl (catalog) is
        transformed; the internal console's wide tables keep their .xscroll. ── */
  @media (max-width: 760px){
    body{font-size:14px}
    header{padding:14px 14px 0}
    .wrap{padding:12px 12px 40px}
    h1{font-size:20px}
    .tabs{gap:3px}
    .ccontrols{gap:6px}
    .searchwrap{flex:1 1 100%}                 /* search owns its row; the buttons wrap below it */
    .scattercard{display:none}                 /* the value/price scatter is desktop analysis, never on phones */
    .ctbl,.ctbl tbody{display:block}
    .ctbl thead,.ctbl .cfilter{display:none}   /* no header row / column filters in card mode */
    .ctbl tr.prow{display:block;border:1px solid var(--line);border-radius:11px;background:var(--panel);margin:0 0 10px;padding:10px 13px;cursor:pointer}
    .ctbl tr.prow td{display:flex;justify-content:space-between;align-items:baseline;gap:12px;padding:3px 0;text-align:right;white-space:normal}
    .ctbl tr.prow td::before{content:attr(data-label);color:var(--dim);font-size:10.5px;text-transform:uppercase;letter-spacing:.4px;text-align:left;flex:0 0 auto}
    .ctbl tr.prow td[data-label="Brand"],.ctbl tr.prow td[data-label="Name"]{display:block;text-align:left}
    .ctbl tr.prow td[data-label="Brand"]::before,.ctbl tr.prow td[data-label="Name"]::before{display:none}
    .ctbl tr.prow td[data-label="Name"]{font-size:15px;font-weight:600;padding:1px 0 7px;line-height:1.3}
    .ctbl tr.prow td[data-label="Brand"]{padding-bottom:4px}
    .ctbl tr.prow td[data-label="Brand"] .twirl{display:none}
    .ctbl tr.prow td[data-label="SKU"],.ctbl tr.prow td[data-label="Category"]{display:none}   /* drop low-signal rows */
    .ctbl tr.prow td.mtcell{display:none}      /* hide empty (—) fields so a card shows only what it HAS */
    .ctbl tr.prow td.num{text-align:right}
    .ctbl tr.prow:nth-child(even) td,.ctbl tr.prow:hover td,.ctbl tr.prow.open td{background:transparent}   /* card mode: no desktop zebra/row-bg */
    .ctbl tr.modelcard td[data-label="Brand"] .twirlbtn{display:inline-block;float:right;font-size:18px;padding:2px 8px;margin:-2px}   /* the model-card expander STAYS tappable on mobile (plain rows hide the decorative twirl) */
    .ctbl tr.cfgrow{margin:-6px 0 10px 14px;border-style:dashed;background:color-mix(in srgb,var(--panel2) 40%,var(--panel))}   /* config sub-card: indented + dashed, visually nested under its model */
    .ctbl tr.cfgrow td[data-label="Name"]{font-size:13px;font-weight:500;padding-left:0}
    .lhero h2{font-size:22px}
    .keyspecs{grid-template-columns:1fr 1fr}
  }
  /* PDP: collapse the two columns and float the buy box to the top before it gets too cramped */
  @media (max-width: 900px){
    .pdp-grid{grid-template-columns:1fr;gap:18px}
    .pdp-aside{position:static;order:-1}
    .wtbfoot{display:flex}
    .pdp-name{font-size:22px}
  }