/* Product page — TEKI style, source structure from tcmo3 index2 */
body{line-height:1.5;font-size:15px}

.crumbs{border-bottom:1px solid var(--line);background:var(--paper)}
.crumbs .wrap{display:flex;align-items:center;gap:8px;padding:12px var(--gutter);font-size:13px;color:var(--ink-faint);flex-wrap:wrap}
.crumbs a:hover{color:var(--blue)}
.crumbs .sep{opacity:.45}
.crumbs .cur{color:var(--ink);font-weight:600}

.pdp{padding:24px 0 8px}
.pdp .wrap{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.02fr);gap:22px;align-items:start}

.gallery{display:grid;grid-template-columns:84px minmax(0,1fr);gap:12px;position:sticky;top:90px;align-items:stretch}
.thumbs{display:flex;flex-direction:column;gap:8px;min-height:0;height:100%;overflow-x:hidden;overflow-y:auto;scrollbar-width:thin}
.thumbs::-webkit-scrollbar{width:4px}
.thumbs::-webkit-scrollbar-thumb{background:var(--line)}
.thumb{
  width:100%;aspect-ratio:1/1;height:auto;border:1px solid var(--line);background:#fff;
  display:grid;place-items:center;cursor:pointer;overflow:hidden;padding:0;appearance:none;
  flex-shrink:0;box-sizing:border-box;border-radius:10px;
}
.thumb img{width:100%;height:100%;object-fit:contain;display:block;padding:4px;box-sizing:border-box}
.thumb:hover{border-color:#93c5fd}
.thumb.on{border-color:var(--blue);box-shadow:0 0 0 3px rgba(29,78,216,.15)}
.stage{
  position:relative;border:1px solid var(--line);background:#fff;aspect-ratio:1/1;
  display:grid;place-items:center;overflow:hidden;border-radius:18px;box-shadow:var(--shadow);
}
.stage .hero-img{width:100%;height:100%;object-fit:contain;padding:6%;box-sizing:border-box;position:relative;z-index:1;transition:transform .35s}
.stage:hover .hero-img{transform:scale(1.03)}
.fav{
  position:absolute;top:12px;right:12px;width:40px;height:40px;border:1px solid var(--line);
  background:rgba(255,255,255,.92);display:grid;place-items:center;cursor:pointer;z-index:3;
  border-radius:var(--radius-sm);transition:.15s;
}
.fav:hover{border-color:var(--blue)}
.fav svg{width:19px;height:19px;stroke:var(--ink);fill:none}
.fav.on svg{fill:var(--red);stroke:var(--red)}
.stage .zoomtag{
  position:absolute;bottom:12px;left:12px;font-size:11px;font-weight:600;color:var(--ink-faint);
  background:rgba(255,255,255,.92);padding:4px 8px;border:1px solid var(--line);z-index:3;border-radius:8px;
}

.info{display:flex;flex-direction:column;gap:12px}
.panel{border:1px solid var(--line);background:#fff;border-radius:16px;box-shadow:var(--shadow);overflow:hidden}
.panel.soft{border-color:var(--line)}
.panel-h{
  display:flex;align-items:center;gap:8px;background:var(--paper);color:var(--ink);
  font-size:13px;font-weight:750;padding:12px 16px;border-bottom:1px solid var(--line);
}
.panel-h svg{width:15px;height:15px;color:var(--blue)}
.panel-h .right{margin-left:auto;color:var(--ink-faint);font-weight:600;font-size:12px;letter-spacing:0;text-transform:none}
.panel-b{padding:16px}

.title-b .sku{font-size:13px;font-weight:600;color:var(--blue)}
.title-b .sku b{color:var(--ink)}
.title-b h1{font-weight:800;font-size:clamp(26px,3.2vw,36px);line-height:1.15;letter-spacing:-.035em;margin:8px 0 14px;text-transform:none}
.actions{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.btn-line{
  display:inline-flex;align-items:center;gap:8px;border:1px solid var(--line);background:#fff;
  padding:9px 14px;font-weight:650;font-size:13px;cursor:pointer;color:var(--ink);
  border-radius:var(--radius-sm);transition:.15s;
}
.btn-line svg{width:15px;height:15px}
.btn-line:hover{border-color:var(--blue);color:var(--blue)}
.btn-line.favbtn.on{border-color:var(--red);background:#fff1f2;color:var(--red)}
.btn-line.favbtn.on svg{fill:var(--red);stroke:var(--red)}
.share{display:flex;align-items:center;gap:8px;margin-left:4px}
.share .lab{font-size:12px;color:var(--ink-faint)}
.share .ic{
  width:36px;height:36px;border:1px solid var(--line);display:grid;place-items:center;cursor:pointer;
  border-radius:var(--radius-sm);transition:.15s;background:#fff;
}
.share .ic:hover{border-color:var(--blue);background:var(--blue-soft)}
.share .ic svg{width:16px;height:16px;color:var(--ink-soft)}
.ask{margin-left:auto}

.req{color:var(--red);font-size:12px}
.variants{display:flex;flex-direction:column;gap:8px;margin-top:10px;max-height:280px;overflow-y:auto;scrollbar-width:thin}
.variant{
  display:flex;align-items:center;gap:12px;border:1px solid var(--line);background:#fff;
  padding:10px 12px;cursor:pointer;border-radius:12px;transition:.15s;
}
.variant:hover{border-color:#93c5fd}
.variant.on{border-color:var(--blue);background:var(--blue-soft);box-shadow:0 0 0 3px rgba(29,78,216,.12)}
.variant .vt{width:46px;height:40px;border:1px solid var(--line);background:#fff;display:grid;place-items:center;flex-shrink:0;overflow:hidden;border-radius:8px}
.variant .vt img{width:100%;height:100%;object-fit:contain;display:block}
.variant .vtxt{flex:1;min-width:0}
.variant .vtxt .nm{font-size:13px;font-weight:650;line-height:1.3}
.variant .vtxt .meta{font-size:12px;margin-top:3px;display:flex;gap:12px;flex-wrap:wrap}
.variant .vtxt .meta .pr{color:var(--blue);font-weight:700}
.variant .vtxt .meta .st{color:var(--ok)}
.variant .vtxt .meta .st.out{color:var(--red)}
.variant .chev{color:var(--blue);font-weight:700;min-width:14px;text-align:center}

.chips{display:flex;flex-wrap:wrap;gap:8px}
.chip{
  display:inline-flex;align-items:center;gap:7px;border:1px solid var(--line);background:#fff;
  padding:7px 12px;font-size:12.5px;font-weight:600;cursor:pointer;color:var(--ink-soft);
  border-radius:999px;transition:.15s;
}
.chip .d{width:7px;height:7px;border-radius:50%;background:var(--ok)}
.chip:hover{border-color:var(--ink)}
.chip.on{border-color:var(--ok);background:#ecfdf3;color:var(--ok)}
.chip .check{display:none;width:13px;height:13px}
.chip.on .check{display:block}

.price-row{display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.price{font-weight:800;font-size:34px;line-height:1;letter-spacing:-.03em;color:var(--ink)}
.price .per{font-size:13px;color:var(--ink-faint);font-weight:500}
.tag{display:inline-flex;align-items:center;gap:6px;font-size:11px;font-weight:700;padding:5px 9px;border-radius:999px}
.tag.ok{border:1px solid var(--ok);color:var(--ok);background:#ecfdf3}
.tag.pack{border:1px solid var(--blue);color:var(--blue);background:var(--blue-soft)}
.tag svg{width:13px;height:13px}
.pdp .buyline{display:flex;gap:10px;margin-top:15px}
.pdp .qty button{width:36px;height:48px;font-size:18px}
.pdp .qty input{width:48px;height:48px;font-size:15px}
.pdp .btn-cart{height:48px;gap:9px;font-size:15px}
.pdp .btn-cart svg{width:18px;height:18px}
.notice{
  display:flex;align-items:center;gap:9px;margin-top:13px;background:var(--paper);
  border:1px dashed var(--line);padding:10px 12px;font-size:13px;color:var(--ink-soft);border-radius:12px;
}
.notice svg{width:15px;height:15px;color:var(--blue);flex-shrink:0}
.notice b{color:var(--ink)}

.drow{display:flex;align-items:center;gap:12px;border:1px solid var(--line);background:var(--paper);padding:11px 13px;border-radius:12px}
.drow .fic{width:34px;height:34px;border:1px solid var(--line);background:#fff;display:grid;place-items:center;flex-shrink:0;border-radius:8px}
.drow .fic svg{width:18px;height:18px;color:var(--blue)}
.drow .fn{font-size:13px;font-weight:650;flex:1}
.drow .open{font-weight:650;font-size:13px;color:var(--blue);cursor:pointer;border:none;background:none}
.drow .open:hover{color:var(--blue-deep)}

.specs{margin-top:24px}
.spec-grid{display:grid;grid-template-columns:1fr 1fr}
.spec-cell{display:flex;justify-content:space-between;gap:14px;padding:13px 16px;border-bottom:1px solid var(--line-soft);border-right:1px solid var(--line-soft)}
.spec-cell:nth-child(2n){border-right:none}
.spec-cell .k{font-size:12px;color:var(--ink-faint)}
.spec-cell .v{font-weight:700;text-align:right;font-size:13.5px}
.spec-cell.empty{background:var(--paper)}

.desc{margin-top:24px}
.desc-grid{display:grid;grid-template-columns:repeat(2,1fr)}
.desc-cell{position:relative;aspect-ratio:1.15/1;display:grid;place-items:center;overflow:hidden;border-right:1px solid var(--line-soft);border-bottom:1px solid var(--line-soft);background:#fff}
.desc-cell:nth-child(2n){border-right:none}
.desc-cell img{width:78%;height:78%;object-fit:contain;position:relative;z-index:1}
.desc-cell .cap{position:absolute;bottom:12px;left:12px;font-size:11px;font-weight:600;color:var(--ink-faint);background:rgba(255,255,255,.9);padding:4px 8px;border:1px solid var(--line);z-index:2;border-radius:8px}

footer{margin-top:30px}

@media(max-width:980px){
  .pdp .wrap{grid-template-columns:1fr}
  .gallery{position:static}
  .spec-grid{grid-template-columns:1fr}
  .spec-cell{border-right:none}
  .ask{margin-left:0}
}
@media(max-width:680px){
  .gallery{grid-template-columns:1fr}
  .thumbs{flex-direction:row;overflow-x:auto;order:2}
  .thumb{width:64px;height:64px;flex-shrink:0}
  .desc-grid{grid-template-columns:1fr}
  .desc-cell{border-right:none}
  .price{font-size:30px}
}