/* ShopHub — modern, fast, responsive storefront */
*{margin:0;padding:0;box-sizing:border-box}
:root{
  --primary:#4338ca; --primary-dark:#312e81; --accent:#059669; --accent-dark:#047857;
  --ink:#111827; --muted:#6b7280; --bg:#f6f7fb; --card:#ffffff; --line:#e5e7eb;
  --danger:#dc2626; --radius:14px; --shadow:0 6px 24px rgba(17,24,39,.08);
}
html{scroll-behavior:smooth}
body{font-family:system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;background:var(--bg);color:var(--ink);line-height:1.55;padding-bottom:64px}
a{color:var(--primary);text-decoration:none}
img{max-width:100%;display:block}
.container{max-width:1200px;margin:0 auto;padding:0 16px}
.muted{color:var(--muted);font-size:.9rem}
.center{text-align:center}

/* Announcement + header */
.announce{background:var(--primary-dark);color:#fff;text-align:center;font-size:.85rem;padding:7px 12px}
.header{background:#fff;position:sticky;top:0;z-index:50;box-shadow:0 1px 8px rgba(0,0,0,.06)}
.header-in{display:flex;align-items:center;gap:16px;padding:12px 16px}
.logo{font-size:1.35rem;font-weight:800;color:var(--ink);white-space:nowrap}
.search{flex:1;display:flex;border:2px solid var(--primary);border-radius:999px;overflow:hidden;max-width:560px}
.search input{flex:1;border:0;padding:10px 16px;font-size:1rem;outline:none;min-width:0}
.search button{border:0;background:var(--primary);color:#fff;padding:0 20px;cursor:pointer;font-size:1rem}
.header-nav{display:flex;gap:18px;align-items:center;margin-left:auto}
.header-nav a{color:var(--ink);font-weight:600}
.cart-btn{position:relative;background:var(--accent);color:#fff!important;padding:9px 16px;border-radius:999px}
.cart-badge{position:absolute;top:-7px;right:-7px;background:var(--danger);color:#fff;font-size:.72rem;min-width:20px;height:20px;border-radius:999px;display:flex;align-items:center;justify-content:center;padding:0 5px}
.menu-btn{display:none;background:none;border:0;font-size:1.5rem;cursor:pointer}
.catbar{border-top:1px solid var(--line);background:#fff}
.catbar-in{display:flex;gap:22px;overflow-x:auto;padding:9px 16px;scrollbar-width:none}
.catbar-in::-webkit-scrollbar{display:none}
.catbar a{color:var(--ink);font-weight:600;font-size:.92rem;white-space:nowrap}
.catbar a:hover{color:var(--primary)}

/* Hero */
.hero{margin:22px 0;background:linear-gradient(120deg,var(--primary-dark),var(--primary) 55%,#7c3aed);color:#fff;border-radius:20px;padding:44px 36px;display:flex;align-items:center;gap:20px;overflow:hidden}
.hero-text{max-width:620px}
.hero h1{font-size:2.3rem;line-height:1.15;margin-bottom:12px}
.hero h1 span{color:#fbbf24}
.hero p{opacity:.92;margin-bottom:22px}
.hero-art{font-size:7rem;margin-left:auto;filter:drop-shadow(0 10px 24px rgba(0,0,0,.3))}

/* Buttons */
.btn{display:inline-block;border:0;cursor:pointer;font-weight:700;border-radius:10px;padding:10px 18px;font-size:.95rem;text-align:center;transition:.15s}
.btn-primary{background:var(--accent);color:#fff}
.btn-primary:hover{background:var(--accent-dark)}
.btn-dark{background:var(--ink);color:#fff}
.btn-light{background:#fff;border:1px solid var(--line);color:var(--ink)}
.btn-disabled{background:#e5e7eb;color:var(--muted);cursor:not-allowed}
.btn-block{display:block;width:100%}
.btn-lg{padding:13px 22px;font-size:1.02rem}
.link-danger{background:none;border:0;color:var(--danger);cursor:pointer;font-weight:600}

/* Sections + grids */
.section{margin:30px 0}
.section.narrow{max-width:820px;margin-left:auto;margin-right:auto}
.section-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:16px}
.section-head h2{font-size:1.45rem}
.cat-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:14px}
.cat-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:22px 12px;text-align:center;color:var(--ink);font-weight:700;display:flex;flex-direction:column;gap:8px;box-shadow:var(--shadow)}
.cat-card:hover{border-color:var(--primary)}
.cat-emoji{font-size:1.9rem}
.product-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:16px}
.product-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;display:flex;flex-direction:column;box-shadow:var(--shadow)}
.p-img{position:relative;aspect-ratio:1/1;background:#eef0f6;display:flex;align-items:center;justify-content:center}
.p-img img{width:100%;height:100%;object-fit:cover}
.p-noimg{font-size:3.4rem}
.badge-off{background:var(--danger);color:#fff;font-size:.75rem;font-weight:800;padding:3px 8px;border-radius:999px;position:absolute;top:10px;left:10px}
.badge-off.inline{position:static}
.p-body{padding:14px;display:flex;flex-direction:column;gap:9px;flex:1}
.p-title{color:var(--ink);font-weight:600;font-size:.97rem;line-height:1.35;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.p-price{margin-top:auto}
.p-price strong{color:var(--accent-dark);font-size:1.12rem}
.p-price del{color:var(--muted);margin-left:7px;font-size:.9rem}
.perks{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:14px}
.perk{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:20px;text-align:center;font-size:1.7rem;box-shadow:var(--shadow)}
.perk h3{font-size:1rem;margin:6px 0 2px}
.perk p{font-size:.87rem;color:var(--muted)}
.empty{background:var(--card);border:1px dashed var(--line);border-radius:var(--radius);padding:36px;text-align:center}

/* Product detail */
.crumbs{margin:18px 0 6px;font-size:.88rem;color:var(--muted)}
.product-detail{display:grid;grid-template-columns:1fr 1fr;gap:30px;margin:14px 0 8px}
.pd-img{width:100%;border-radius:18px;border:1px solid var(--line);aspect-ratio:1/1;object-fit:cover;background:#eef0f6}
.pd-noimg{display:flex;align-items:center;justify-content:center;font-size:5rem}
.pd-video{width:100%;border-radius:14px;margin-top:14px;background:#000}
.pd-video-wrap{position:relative;padding-top:56.25%;margin-top:14px;border-radius:14px;overflow:hidden;background:#000}
.pd-video-wrap iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
.pd-videolink{margin-top:12px}
.pd-info h1{font-size:1.7rem;line-height:1.25;margin-bottom:10px}
.pd-price{display:flex;align-items:center;gap:10px;margin-bottom:10px}
.pd-price strong{font-size:1.7rem;color:var(--accent-dark)}
.pd-price del{color:var(--muted);font-size:1.1rem}
.pd-stock{font-weight:600;margin-bottom:16px}
.qty-box{display:inline-flex;border:1px solid var(--line);border-radius:10px;overflow:hidden;background:#fff}
.qty-box button{width:38px;border:0;background:#f3f4f6;font-size:1.1rem;cursor:pointer}
.qty-box input{width:56px;border:0;text-align:center;font-size:1rem;padding:9px 0;outline:none}
.pd-actions{display:flex;gap:10px;margin:16px 0;flex-wrap:wrap}
.pd-points{list-style:none;background:#f0fdf4;border:1px solid #bbf7d0;border-radius:12px;padding:14px 18px;margin-bottom:20px}
.pd-points li{padding:3px 0}
.pd-desc h2{font-size:1.2rem;margin-bottom:8px}

/* Cart / checkout */
.cart-layout{display:grid;grid-template-columns:1fr 340px;gap:22px;align-items:start}
.cart-items{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:8px 18px 18px;box-shadow:var(--shadow)}
.cart-row{display:flex;gap:14px;padding:16px 0;border-bottom:1px solid var(--line);align-items:center}
.cart-row:last-of-type{border-bottom:0}
.cart-img{width:74px;height:74px;border-radius:10px;background:#eef0f6;display:flex;align-items:center;justify-content:center;font-size:1.7rem;overflow:hidden;flex-shrink:0}
.cart-img img{width:100%;height:100%;object-fit:cover}
.cart-info{flex:1;min-width:0}
.cart-info>a{color:var(--ink);font-weight:600}
.cart-unit{color:var(--muted);font-size:.87rem}
.cart-controls{display:flex;align-items:center;gap:14px;margin-top:7px}
.cart-line{font-weight:800}
.order-summary{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow);position:sticky;top:130px}
.order-summary h3{margin-bottom:12px}
.sum-row{display:flex;justify-content:space-between;gap:10px;padding:6px 0;font-size:.95rem}
.sum-row span:first-child{color:var(--muted)}
.sum-row.total{border-top:1px solid var(--line);margin-top:8px;padding-top:12px;font-size:1.05rem}
.sum-row.total span{color:var(--ink);font-weight:800}
.order-summary .btn{margin-top:12px}
.sum-note{font-size:.85rem;color:var(--muted);margin-top:10px;text-align:center}
.checkout-form{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow);display:flex;flex-direction:column;gap:13px}
.checkout-form label{font-weight:600;font-size:.93rem;display:flex;flex-direction:column;gap:5px}
.checkout-form input,.checkout-form textarea,.checkout-form select{border:1px solid var(--line);border-radius:10px;padding:11px 13px;font-size:1rem;font-family:inherit;width:100%}
.checkout-form input:focus,.checkout-form textarea:focus{outline:2px solid var(--primary);border-color:transparent}

/* Alerts / success / track */
.alert{border-radius:10px;padding:12px 16px;margin:14px 0;font-weight:600}
.alert-success{background:#dcfce7;color:#166534;border:1px solid #86efac}
.alert-error{background:#fee2e2;color:#991b1b;border:1px solid #fca5a5}
.success-box{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:40px 26px;box-shadow:var(--shadow)}
.success-icon{font-size:3.4rem}
.success-box h2{margin:8px 0}
.success-box p{margin:6px 0}
.success-box .btn{margin:14px 5px 0}
.track-box{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:22px;margin-top:20px;box-shadow:var(--shadow)}
.track-steps{display:flex;gap:8px;margin:16px 0 20px;flex-wrap:wrap}
.tstep{flex:1;min-width:130px;text-align:center;background:#f3f4f6;border-radius:10px;padding:12px 8px;font-weight:600;font-size:.88rem;color:var(--muted)}
.tstep span{display:flex;width:30px;height:30px;border-radius:999px;background:#d1d5db;color:#fff;align-items:center;justify-content:center;margin:0 auto 6px;font-weight:800}
.tstep.done{background:#ecfdf5;color:var(--accent-dark)}
.tstep.done span{background:var(--accent)}
.status-cancelled{color:var(--danger);font-weight:700}
.sort-form select{border:1px solid var(--line);border-radius:9px;padding:8px 10px;font-size:.92rem;background:#fff}

/* Footer + mobile nav */
.footer{background:#0f172a;color:#cbd5e1;margin-top:50px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1.4fr;gap:26px;padding:36px 16px 22px}
.footer .logo{color:#fff}
.footer h4{color:#fff;margin-bottom:10px}
.footer a{display:block;color:#cbd5e1;padding:3px 0}
.footer a:hover{color:#fff}
.footer p{font-size:.9rem;padding:3px 0}
.footer-bottom{border-top:1px solid #1e293b;text-align:center;padding:14px;font-size:.85rem}
.mobile-nav{display:none}

/* Responsive */
@media (max-width:860px){
  .product-detail{grid-template-columns:1fr}
  .cart-layout{grid-template-columns:1fr}
  .order-summary{position:static}
  .footer-grid{grid-template-columns:1fr}
  .hero{padding:30px 22px}
  .hero h1{font-size:1.7rem}
  .hero-art{display:none}
  .header-nav a:not(.cart-btn){display:none}
  .menu-btn{display:none}
  .product-grid{grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:11px}
  .mobile-nav{display:flex;position:fixed;bottom:0;left:0;right:0;background:#fff;border-top:1px solid var(--line);z-index:60;box-shadow:0 -4px 18px rgba(0,0,0,.07)}
  .mobile-nav a{flex:1;text-align:center;padding:8px 0 10px;font-size:1.25rem;color:var(--ink);display:flex;flex-direction:column;gap:0}
  .mobile-nav span{font-size:.68rem;font-weight:700}
  .pd-actions .btn{flex:1}
}