:root{
  --bg:#f8fafc; --text:#0f172a; --muted:#475569; --line:rgba(2,6,23,.10);
  --shadow:0 18px 40px rgba(2,6,23,.12); --radius:18px;

  --img-aspect: 3 / 4;
  --thumb-w:220px; --thumb-h:293px;
  --gallery-w:420px;
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family:system-ui,-apple-system,Segoe UI,Roboto,Arial,Helvetica,sans-serif;
  color:var(--text);
  background:
    radial-gradient(1000px 700px at 10% 0%, rgba(14,165,233,.14), transparent 60%),
    radial-gradient(900px 600px at 90% 10%, rgba(124,58,237,.14), transparent 65%),
    radial-gradient(900px 650px at 50% 120%, rgba(16,185,129,.10), transparent 60%),
    var(--bg);
  line-height:1.55;
}
a{color:inherit;text-decoration:none}
a:focus-visible,button:focus-visible,input:focus-visible{
  outline:3px solid rgba(2,6,23,.35); outline-offset:2px; border-radius:10px;
}

/* Wider container to reduce side empty space */
.container{width:min(1560px,calc(100% - 48px));margin:0 auto}

.topbar{
  position:sticky;top:0;z-index:40;
  background:rgba(248,250,252,.78);backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;padding:14px 0;gap:16px;flex-wrap:wrap}
.user-status{display:flex;align-items:center;gap:4px;font-size:14px;color:var(--muted);white-space:nowrap}
.user-status a{color:rgba(14,165,233,.95);text-decoration:underline;text-decoration-color:rgba(14,165,233,.3)}
.user-status a:hover{color:rgba(14,165,233,1);text-decoration-color:rgba(14,165,233,.6)}
.brand{display:flex;align-items:center;gap:12px}
.brand-mark{
  width:40px;height:40px;border-radius:12px;
  background:linear-gradient(135deg,rgba(14,165,233,.95),rgba(124,58,237,.95));
  box-shadow:0 10px 26px rgba(2,6,23,.16);
}
.brand-title{display:flex;flex-direction:column}
.brand-title strong{font-size:16px}
.brand-title span{font-size:12px;color:var(--muted)}
.nav{display:flex;align-items:center;gap:10px;flex-wrap:wrap;justify-content:flex-end}
.nav a{padding:8px 12px;border-radius:999px;border:1px solid transparent;color:var(--muted);font-size:14px}
.nav a:hover{color:var(--text);border-color:rgba(2,6,23,.12);background:rgba(2,6,23,.04)}
.nav-dropdown{position:relative;display:inline-block}
.nav-dropdown-toggle{padding:6px 10px;border-radius:999px;border:1px solid transparent;color:var(--muted);font-size:12px;background:none;cursor:pointer;font-family:inherit}
.nav-dropdown-toggle:hover{color:var(--text);border-color:rgba(2,6,23,.12);background:rgba(2,6,23,.04)}
.nav-dropdown-menu{display:none;position:absolute;top:100%;right:0;min-width:180px;background:rgba(255,255,255,.98);border:1px solid rgba(2,6,23,.12);border-radius:12px;box-shadow:var(--shadow);margin-top:4px;z-index:100;max-height:400px;overflow-y:auto}
.nav-dropdown-menu.show{display:block}
.nav-dropdown-menu a{display:block;padding:10px 14px;border-radius:0;border:none;font-size:14px}
.nav-dropdown-menu a:hover{background:rgba(2,6,23,.06)}

.hero{
  margin:20px 0 18px;border:1px solid rgba(2,6,23,.10);border-radius:var(--radius);
  overflow:hidden;background:rgba(255,255,255,.75);box-shadow:var(--shadow);
}
.hero img{width:100%;height:auto;display:block}
.hero .hero-content{padding:16px 18px 18px}
.hero h1{margin:0 0 6px;font-size:28px}
.hero p{margin:0;color:var(--muted)}

.breadcrumbs{margin:18px 0 0;color:var(--muted);font-size:14px}
.breadcrumbs a{text-decoration:underline;text-decoration-color:rgba(2,6,23,.18)}
.breadcrumbs a:hover{text-decoration-color:rgba(2,6,23,.50)}
.breadcrumbs .sep{margin:0 8px;color:rgba(2,6,23,.40)}

.search-form{display:flex;gap:8px;margin:16px auto;max-width:600px}
.search-input{flex:1;padding:10px 14px;border:1px solid rgba(2,6,23,.12);border-radius:12px;font-size:14px;font-family:inherit}
.search-input:focus{outline:2px solid rgba(14,165,233,.5);border-color:rgba(14,165,233,.8)}
.search-btn{padding:10px 20px;border:none;border-radius:12px;background:linear-gradient(135deg,rgba(14,165,233,.95),rgba(124,58,237,.95));color:#fff;font-size:14px;font-weight:600;cursor:pointer;font-family:inherit}
.search-btn:hover{background:linear-gradient(135deg,rgba(14,165,233,1),rgba(124,58,237,1))}

.no-results{text-align:center;padding:40px 20px;color:var(--muted);font-size:16px}

.section-title{display:flex;align-items:baseline;justify-content:space-between;gap:12px;margin:18px 0 12px}
.section-title h2{margin:0;font-size:18px}
.section-title p{margin:0;color:var(--muted);font-size:14px}

/* Flexbox tableless list */
.product-list{display:flex;flex-wrap:wrap;gap:14px;padding:0;margin:0 0 26px;list-style:none}
.product-card{
  flex:1 1 260px;min-width:260px;max-width:360px;
  border-radius:var(--radius);border:1px solid rgba(2,6,23,.10);
  background:rgba(255,255,255,.80);overflow:hidden;
  box-shadow:0 16px 30px rgba(2,6,23,.10);display:flex;flex-direction:column
}
.product-media{width:100%;background:rgba(2,6,23,.03);display:flex;justify-content:center;align-items:center;padding:14px}
.product-media img{
  width:var(--thumb-w);height:var(--thumb-h);aspect-ratio:var(--img-aspect);
  object-fit:cover;border-radius:14px;border:1px solid rgba(2,6,23,.10);display:block
}
.product-body{padding:14px 14px 12px;display:flex;flex-direction:column;gap:8px;flex:1}
.product-body h3{margin:0;font-size:16px}
.product-body h3 a{text-decoration:underline;text-decoration-color:rgba(2,6,23,.18)}
.product-body h3 a:hover{text-decoration-color:rgba(2,6,23,.55)}
.product-body p{margin:0;color:var(--muted);font-size:14px}
.product-meta{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:auto;padding-top:6px}
.price{font-weight:800;letter-spacing:.2px}

.btn,.btn-outline{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:10px 12px;border-radius:12px;font-weight:750;font-size:14px;
  border:1px solid rgba(2,6,23,.12);cursor:pointer;user-select:none
}
.btn{
  background:linear-gradient(135deg,rgba(14,165,233,.92),rgba(124,58,237,.92));
  color:#fff;border-color:transparent;box-shadow:0 10px 20px rgba(2,6,23,.10)
}
.btn[aria-disabled="true"]{opacity:.70;cursor:not-allowed}
.btn-outline{background:rgba(255,255,255,.75);color:rgba(2,6,23,.88)}
.btn-outline:hover{background:rgba(2,6,23,.04)}

/* Product page */
.product-page{display:grid;grid-template-columns:1.1fr .9fr;gap:18px;margin:14px 0 20px}

.gallery{
  border:1px solid rgba(2,6,23,.10);border-radius:var(--radius);
  background:rgba(255,255,255,.80);box-shadow:var(--shadow);overflow:hidden;padding:16px
}
.gallery .gallery-tabs{position:absolute;left:-9999px;top:-9999px}
.gallery-stage{display:flex;justify-content:center;align-items:center;padding:10px 0 12px;position:relative}
.gallery-stage .stage-img{
  width:min(var(--gallery-w),100%);aspect-ratio:var(--img-aspect);object-fit:cover;
  border-radius:16px;border:1px solid rgba(2,6,23,.10);display:none
}
.gallery-stage .stage-img{display:none}
.gallery input#img-1:checked ~ .gallery-stage .img-1{display:block}
.gallery input#img-2:checked ~ .gallery-stage .img-2{display:block}
.gallery input#img-3:checked ~ .gallery-stage .img-3{display:block}
.gallery input#img-4:checked ~ .gallery-stage .img-4{display:block}
.gallery input#img-5:checked ~ .gallery-stage .img-5{display:block}

.gallery-thumbs{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;padding:6px 0 2px}
.gallery-thumbs label{cursor:pointer;border-radius:14px;display:block;border:2px solid transparent}
.gallery-thumbs img{
  width:120px;aspect-ratio:var(--img-aspect);object-fit:cover;
  border-radius:12px;border:1px solid rgba(2,6,23,.10);display:block
}
.gallery input#img-1:checked ~ .gallery-thumbs label[for="img-1"],
.gallery input#img-2:checked ~ .gallery-thumbs label[for="img-2"],
.gallery input#img-3:checked ~ .gallery-thumbs label[for="img-3"],
.gallery input#img-4:checked ~ .gallery-thumbs label[for="img-4"],
.gallery input#img-5:checked ~ .gallery-thumbs label[for="img-5"]{
  border-color:rgba(14,165,233,.85);box-shadow:0 10px 18px rgba(2,6,23,.10)
}

.product-info{
  border:1px solid rgba(2,6,23,.10);border-radius:var(--radius);
  background:rgba(255,255,255,.80);box-shadow:var(--shadow);padding:18px 18px 20px
}
.product-info h1{margin:0 0 10px;font-size:24px}
.product-info .desc{margin:0 0 14px;color:var(--muted);line-height:1.6}

.detail-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin:18px 0 8px}
.detail-card{border:1px solid rgba(2,6,23,.10);background:rgba(2,6,23,.02);border-radius:14px;padding:14px}
.detail-card h3{margin:0 0 8px;font-size:14px}
.detail-card ul{margin:0;padding-left:18px;color:var(--muted);font-size:13px;line-height:1.65}
.detail-card li{margin-bottom:4px}
.specs{margin:12px 0 0;padding:0}
.specs dt{font-weight:800;margin-top:10px}
.specs dd{margin:4px 0 0;color:var(--muted)}

.product-info .buyline{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  margin-top:16px;padding-top:14px;border-top:1px solid rgba(2,6,23,.10)
}
.product-info .buyline .price{font-size:22px}

/* Product options */
.option-group{margin:12px 0 0}
.option-group:first-of-type{margin-top:12px;padding-top:12px;border-top:1px solid rgba(2,6,23,.10)}
.option-label{display:block;font-weight:700;font-size:14px;margin-bottom:8px}
.option-buttons{display:flex;gap:8px;flex-wrap:wrap}
.option-buttons input[type="radio"]{position:absolute;left:-9999px}
.option-btn{
  padding:8px 14px;border-radius:10px;border:1px solid rgba(2,6,23,.18);
  background:rgba(255,255,255,.85);cursor:pointer;font-size:13px;transition:all 150ms
}
.option-btn:hover{border-color:rgba(2,6,23,.35);background:rgba(2,6,23,.04)}
.option-buttons input[type="radio"]:checked + .option-btn{
  border-color:rgba(14,165,233,.85);background:rgba(14,165,233,.12);font-weight:700
}
.qty-input{
  width:100px;padding:10px 12px;border-radius:10px;border:1px solid rgba(2,6,23,.18);
  background:rgba(255,255,255,.85);font-size:14px;font-weight:600
}

/* Recommended 4-in-a-row */
.reco-grid{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;
  padding:0;margin:0 0 26px;list-style:none
}
.reco-grid .product-card{max-width:none;min-width:0}

/* Shopping list overlay */
.cart-toggle{position:absolute;left:-9999px;top:-9999px}
.cart{
  position:fixed;right:0;top:120px;width:340px;z-index:80;
  transform:translateX(290px);transition:transform 220ms ease;pointer-events:auto
}
.cart:hover,#cart-toggle:checked + .cart{transform:translateX(0)}
.cart-inner{
  border-radius:18px 0 0 18px;border:1px solid rgba(2,6,23,.14);
  background:rgba(255,255,255,.92);backdrop-filter:blur(10px);
  box-shadow:var(--shadow);overflow:hidden
}
.cart-handle{
  position:absolute;left:-128px;top:18px;width:128px;height:44px;border-radius:14px 0 0 14px;
  background:linear-gradient(135deg,rgba(245,158,11,.92),rgba(239,68,68,.92));
  box-shadow:0 18px 30px rgba(2,6,23,.16);display:flex;align-items:center;justify-content:center
}
.cart-handle label{cursor:pointer;font-weight:850;font-size:12px;color:rgba(255,255,255,.98);text-transform:uppercase;letter-spacing:.7px}
.cart-header{padding:14px 14px 10px;border-bottom:1px solid rgba(2,6,23,.10)}
.cart-header strong{display:block;font-size:15px}
.cart-header span{display:block;font-size:12px;color:var(--muted);margin-top:2px}
.cart-items{list-style:none;margin:0;padding:10px 14px 0;display:flex;flex-direction:column;gap:10px;max-height:50vh;overflow:auto}
.cart-item{
  display:grid;grid-template-columns:1fr 72px;gap:10px;align-items:center;padding:10px;
  border-radius:14px;border:1px solid rgba(2,6,23,.10);background:rgba(2,6,23,.02)
}
.cart-item .name{font-size:13px;line-height:1.25}
.cart-item .sub{font-size:12px;color:var(--muted)}
.qty{display:flex;flex-direction:column;gap:6px}
.qty label{font-size:11px;color:rgba(2,6,23,.70)}
.qty input{width:100%;padding:8px 10px;border-radius:12px;border:1px solid rgba(2,6,23,.14);background:rgba(255,255,255,.85)}
.cart-footer{padding:12px 14px 14px;border-top:1px solid rgba(2,6,23,.10);display:flex;flex-direction:column;gap:10px}
.cart-footer .note{font-size:12px;color:var(--muted)}
.cart-footer .btn{width:100%}

/* Footer */
.site-footer{border-top:1px solid rgba(2,6,23,.10);padding:18px 0 26px;color:var(--muted);font-size:13px}
.site-footer .footer-grid{display:flex;gap:16px;flex-wrap:wrap;justify-content:space-between}
.site-footer strong{color:rgba(2,6,23,.86)}

/* Responsive */
@media (max-width:980px){
  .product-page{grid-template-columns:1fr}
  .detail-grid{grid-template-columns:1fr}
  .reco-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .cart{top:90px}
}
@media (max-width:640px){
  :root{--thumb-w:200px;--thumb-h:266px;--gallery-w:340px}
  .header-inner{flex-direction:column;align-items:flex-start}
  .nav{justify-content:flex-start}
  .reco-grid{grid-template-columns:1fr}
  .cart{width:320px;transform:translateX(270px)}
}