:root{
  --bg:#f3f6fb;
  --panel:#ffffff;
  --panel-soft:#eef3fa;
  --line:#d5deea;
  --text:#152033;
  --muted:#5a6b82;
  --good:#0f9d58;
  --bad:#d93025;
  --warn:#c47a00;
  --accent:#1f6feb;
  --shadow:0 10px 30px rgba(21,32,51,.08)
}
*{box-sizing:border-box}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font:16px/1.6 Inter,ui-sans-serif,system-ui,sans-serif;
  min-height:100vh;
  -webkit-font-smoothing:antialiased
}
a{color:inherit;text-decoration:none}
button,input,select{font:inherit}
.wrap{max-width:1100px;margin:auto;padding:24px 20px 48px}
.site-header{
  display:flex;justify-content:space-between;align-items:flex-start;gap:16px;
  margin-bottom:28px;flex-wrap:wrap;padding-bottom:18px;border-bottom:1px solid var(--line)
}
.brand h1{margin:0;font-size:26px;font-weight:800;letter-spacing:-.02em;color:var(--text)}
.brand p{margin:8px 0 0;color:var(--muted);max-width:560px;font-size:15px}
.admin-link{color:var(--muted);font-size:14px;padding:8px 12px;border:1px solid var(--line);border-radius:8px;background:var(--panel)}
.admin-link:hover{color:var(--accent);border-color:#b8c9e6}
.catalog-stats{
  display:grid;grid-template-columns:repeat(3,minmax(120px,1fr));gap:12px;margin-bottom:18px
}
.stat{
  background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:14px 16px;
  box-shadow:var(--shadow)
}
.stat b{display:block;font-size:24px;font-weight:800;color:var(--text);letter-spacing:-.02em}
.stat span{color:var(--muted);font-size:13px;margin-top:4px;display:block}
.toolbar{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:18px}
.input,.select{
  height:44px;border:1px solid var(--line);border-radius:10px;background:var(--panel);
  color:var(--text);padding:0 14px;min-width:0
}
.input{flex:1;min-width:220px}
.select{min-width:160px}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:16px}
.card{
  background:var(--panel);border:1px solid var(--line);border-radius:14px;overflow:hidden;
  box-shadow:var(--shadow);transition:transform .15s,border-color .15s,box-shadow .15s;
  display:flex;flex-direction:column
}
.card:hover{transform:translateY(-2px);border-color:#b8c9e6;box-shadow:0 14px 34px rgba(21,32,51,.12)}
.card-img{width:100%;aspect-ratio:1/1;background:#fff;object-fit:contain}
.card-body{padding:16px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-out{opacity:.82}
.card-out .card-img{filter:grayscale(.25)}
.card-title{font-weight:700;line-height:1.35;color:var(--text);min-height:2.6em;font-size:15px}
.card-foot{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:auto;padding-top:4px}
.card-foot .price{margin:0;font-size:18px}
.card-foot .price.price-muted{font-size:14px;font-weight:600;color:var(--muted)}
.card-foot .stock{font-size:12px;font-weight:700;white-space:nowrap}
.pill{
  display:inline-flex;border:1px solid #c8d8f0;border-radius:99px;padding:4px 10px;
  font-size:12px;font-weight:600;color:#2454a9;background:#edf4ff
}
.price{font-size:20px;font-weight:800;font-variant-numeric:tabular-nums;color:var(--text)}
.stock{font-size:13px;font-weight:700}
.stock.in{color:var(--good)}.stock.low{color:var(--warn)}.stock.out{color:var(--bad)}
.empty,.loading{padding:60px 20px;text-align:center;color:var(--muted);font-size:16px}
.product-layout{display:grid;grid-template-columns:minmax(280px,420px) 1fr;gap:28px;align-items:start}
.product-layout-single{grid-template-columns:1fr;max-width:760px}
.gallery-main{
  width:100%;aspect-ratio:1/1;border-radius:14px;background:#fff;object-fit:contain;
  border:1px solid var(--line);box-shadow:var(--shadow)
}
.thumbs{display:flex;gap:8px;flex-wrap:wrap;margin-top:12px}
.thumbs img{
  width:68px;height:68px;border-radius:8px;background:#fff;object-fit:contain;
  border:1px solid var(--line);cursor:pointer;opacity:.7
}
.thumbs img.active,.thumbs img:hover{opacity:1;border-color:var(--accent)}
.product-info{
  background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:22px;
  box-shadow:var(--shadow)
}
.product-title{font-size:clamp(24px,3vw,32px);font-weight:800;margin:10px 0 12px;line-height:1.25;color:var(--text)}
.product-meta{color:var(--muted);font-size:14px;margin-bottom:4px}
.product-buybox{
  display:flex;align-items:center;gap:14px;flex-wrap:wrap;
  padding:16px 0;margin:8px 0 16px;border-top:1px solid var(--line);border-bottom:1px solid var(--line)
}
.product-price{font-size:34px;font-weight:800;font-variant-numeric:tabular-nums;color:var(--text);margin:0}
.stock-badge{
  display:inline-flex;align-items:center;border-radius:999px;padding:6px 12px;
  font-size:13px;font-weight:700;border:1px solid transparent
}
.stock-badge.in{color:var(--good);background:#e8f7ef;border-color:#bfe8d0}
.stock-badge.low{color:var(--warn);background:#fff6e8;border-color:#f3ddb3}
.stock-badge.out{color:var(--bad);background:#fdecea;border-color:#f5c6c2}
.variants{margin-top:20px;border:1px solid var(--line);border-radius:12px;overflow:hidden;background:var(--panel);box-shadow:var(--shadow)}
.variants h2{margin:0;padding:14px 16px;font-size:15px;font-weight:700;border-bottom:1px solid var(--line);background:var(--panel-soft)}
.variants table{width:100%;border-collapse:collapse}
.variants th,.variants td{padding:12px 14px;border-bottom:1px solid var(--line);text-align:left;font-size:14px}
.variants th{font-size:12px;text-transform:uppercase;letter-spacing:.04em;color:var(--muted);background:var(--panel-soft);font-weight:700}
.variants tr:last-child td{border-bottom:none}
.product-details{
  margin-top:20px;border:1px solid var(--line);border-radius:12px;background:var(--panel);
  box-shadow:var(--shadow);overflow:hidden
}
.product-details summary{
  cursor:pointer;list-style:none;padding:14px 16px;font-weight:700;font-size:15px;
  background:var(--panel-soft);border-bottom:1px solid transparent
}
.product-details summary::-webkit-details-marker{display:none}
.product-details summary::after{content:'Show';float:right;color:var(--accent);font-size:13px;font-weight:600}
.product-details[open] summary{border-bottom-color:var(--line)}
.product-details[open] summary::after{content:'Hide'}
.product-details .desc{padding:18px 20px 22px}
.desc.prose{color:var(--text);font-size:16px;line-height:1.75;max-width:72ch}
.desc.prose h2,.desc.prose h3,.desc.prose h4{
  color:var(--text);line-height:1.35;margin:1.4em 0 .6em;font-weight:800
}
.desc.prose h2{font-size:1.2rem}
.desc.prose h3{font-size:1.05rem}
.desc.prose h4{font-size:1rem}
.desc.prose p,.desc.prose li{margin:.65em 0;color:#243147}
.desc.prose ul,.desc.prose ol{padding-left:1.25em}
.desc.prose strong,.desc.prose b{color:var(--text);font-weight:700}
.desc.prose img{max-width:100%;height:auto;border-radius:10px;margin:14px 0;border:1px solid var(--line);background:#fff}
.desc.prose a{color:var(--accent);text-decoration:underline}
.back{
  display:inline-flex;align-items:center;gap:6px;color:var(--accent);margin-bottom:18px;
  font-size:14px;font-weight:600
}
.back:hover{text-decoration:underline}
.footer{margin-top:32px;color:var(--muted);font-size:13px}
@media(max-width:860px){
  .product-layout{grid-template-columns:1fr}
  .wrap{padding:16px 14px 36px}
  .product-buybox{align-items:flex-start;flex-direction:column;gap:8px}
  .catalog-stats{grid-template-columns:1fr 1fr}
}