*{box-sizing:border-box;margin:0;padding:0}
body{font-family:'Segoe UI','Hind Siliguri',Tahoma,sans-serif;background:hsl(var(--bg));color:hsl(var(--fg));line-height:1.5}
a{color:inherit;text-decoration:none}
.container{max-width:1200px;margin:0 auto;padding:0 16px}
img{max-width:100%;display:block}

.topbar{background:hsl(var(--primary));color:#fff;position:sticky;top:0;z-index:50;box-shadow:0 2px 8px rgba(0,0,0,.1)}
.nav{display:flex;align-items:center;gap:16px;padding:12px 16px;flex-wrap:wrap}
.logo{display:flex;align-items:center;gap:8px;font-weight:800;font-size:20px;color:#fff}
.logo img{width:36px;height:36px;border-radius:6px;background:#fff;padding:2px}
.search{flex:1;min-width:200px}
.search input{width:100%;padding:8px 12px;border:0;border-radius:6px;background:rgba(255,255,255,.95);color:#000}
.nav-links{display:flex;gap:14px;align-items:center;font-weight:600}
.nav-links a{color:#fff}
.cart-link .badge{background:hsl(var(--accent));color:#fff;border-radius:10px;padding:2px 7px;font-size:12px;margin-left:2px}
.admin-btn{background:rgba(0,0,0,.2);padding:6px 12px;border-radius:6px}

.alert{padding:10px 14px;border-radius:6px;margin:12px auto}
.alert.success{background:#dcfce7;color:#166534;border:1px solid #86efac}
.alert.error{background:#fee2e2;color:#991b1b;border:1px solid #fca5a5}

.btn{display:inline-flex;align-items:center;gap:6px;background:hsl(var(--primary));color:#fff;border:0;padding:10px 18px;border-radius:6px;font-weight:600;cursor:pointer;font-size:14px}
.btn:hover{opacity:.9}
.btn-secondary{background:#6b7280}
.btn-danger{background:#dc2626}
.btn-accent{background:hsl(var(--accent))}
.btn-block{display:flex;width:100%;justify-content:center}
.btn-sm{padding:6px 10px;font-size:12px}

.hero{background:linear-gradient(135deg,hsl(var(--primary)),hsl(var(--accent)));color:#fff;padding:50px 20px;text-align:center;margin-bottom:24px}
.hero h1{font-size:34px;margin-bottom:8px}
.hero p{font-size:16px;opacity:.95}

.section{padding:24px 0}
.section-title{font-size:22px;font-weight:800;margin-bottom:16px;border-left:4px solid hsl(var(--primary));padding-left:10px}

.grid{display:grid;gap:14px}
.products{grid-template-columns:repeat(auto-fill,minmax(180px,1fr))}
.cats{grid-template-columns:repeat(auto-fill,minmax(140px,1fr))}

.card{background:#fff;border:1px solid #e5e7eb;border-radius:8px;overflow:hidden;transition:transform .15s,box-shadow .15s}
.card:hover{transform:translateY(-2px);box-shadow:0 8px 20px rgba(0,0,0,.08)}
.card .img{aspect-ratio:1;background:#f3f4f6;overflow:hidden}
.card .img img{width:100%;height:100%;object-fit:cover}
.card .body{padding:10px}
.card .name{font-weight:600;font-size:14px;line-height:1.3;height:36px;overflow:hidden;margin-bottom:6px}
.card .price{color:hsl(var(--primary));font-weight:800;font-size:16px}
.card .old{color:#9ca3af;text-decoration:line-through;font-size:12px;margin-left:4px}
.card .order-btn{background:hsl(var(--accent));color:#fff;text-align:center;padding:8px;display:block;margin-top:8px;border-radius:6px;font-weight:600;font-size:13px}

.cat-card{background:hsl(var(--primary)/.05);border:1px solid #e5e7eb;border-radius:8px;padding:14px;text-align:center;font-weight:600}
.cat-card .img{aspect-ratio:1;background:#f3f4f6;border-radius:6px;margin-bottom:8px;overflow:hidden}
.cat-card .img img{width:100%;height:100%;object-fit:cover}

/* Product detail */
.pd{display:grid;grid-template-columns:1fr;gap:20px;padding:20px 0}
@media(min-width:768px){.pd{grid-template-columns:1fr 1fr}}
.pd-images .main-img{aspect-ratio:1;background:#f3f4f6;border-radius:8px;overflow:hidden;margin-bottom:8px}
.pd-images .main-img img{width:100%;height:100%;object-fit:contain}
.pd-thumbs{display:flex;gap:6px;overflow-x:auto}
.pd-thumbs img{width:60px;height:60px;object-fit:cover;border-radius:6px;border:2px solid transparent;cursor:pointer}
.pd-thumbs img.active{border-color:hsl(var(--primary))}
.pd-info h1{font-size:22px;margin-bottom:8px}
.pd-info .price{font-size:24px;color:hsl(var(--primary));font-weight:800;margin:8px 0}
.pd-info .stock{color:#16a34a;font-size:13px;margin-bottom:8px}
.pd-info .out-stock{color:#dc2626}
.size-list{display:flex;gap:6px;flex-wrap:wrap;margin:8px 0}
.size-list label{border:1px solid #d1d5db;padding:6px 14px;border-radius:6px;cursor:pointer;font-size:14px}
.size-list input{display:none}
.size-list input:checked+span{background:hsl(var(--primary));color:#fff;padding:6px 14px;border-radius:6px}
.qty-input{display:inline-flex;border:1px solid #d1d5db;border-radius:6px;overflow:hidden}
.qty-input button{background:#f3f4f6;border:0;padding:6px 12px;cursor:pointer;font-size:16px}
.qty-input input{border:0;width:50px;text-align:center;padding:6px}

/* Cart / forms */
.box{background:#fff;border:1px solid #e5e7eb;border-radius:8px;padding:20px;margin:16px 0}
.cart-item{display:flex;gap:10px;padding:10px 0;border-bottom:1px solid #e5e7eb;align-items:center}
.cart-item img{width:60px;height:60px;object-fit:cover;border-radius:6px;background:#f3f4f6}
.cart-item .info{flex:1;min-width:0}
.cart-item .name{font-weight:600;font-size:14px}
.cart-item .meta{font-size:12px;color:#6b7280}

.field{margin-bottom:14px}
.field label{display:block;font-weight:600;font-size:14px;margin-bottom:4px}
.field input,.field select,.field textarea{width:100%;padding:10px;border:1px solid #d1d5db;border-radius:6px;background:#fff;font-family:inherit;font-size:14px}
.field textarea{min-height:80px;resize:vertical}

.summary{background:#f9fafb;padding:12px;border-radius:6px;margin:12px 0}
.summary div{display:flex;justify-content:space-between;padding:4px 0}
.summary .total{border-top:1px solid #e5e7eb;padding-top:8px;margin-top:6px;font-weight:800;font-size:16px}

.option-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:8px}
.option-grid label{border:1px solid #d1d5db;border-radius:6px;padding:10px;text-align:center;cursor:pointer;font-size:13px}
.option-grid input{display:none}
.option-grid input:checked+span{display:block}
.option-grid label:has(input:checked){border-color:hsl(var(--primary));background:hsl(var(--primary)/.05)}

table{width:100%;border-collapse:collapse;background:#fff;border-radius:8px;overflow:hidden}
table th,table td{padding:10px;text-align:left;border-bottom:1px solid #e5e7eb;font-size:14px}
table th{background:#f9fafb;font-weight:700}
table tr:last-child td{border-bottom:0}

.status-badge{display:inline-block;padding:3px 10px;border-radius:12px;font-size:12px;font-weight:600}
.s-pending{background:#fef3c7;color:#92400e}
.s-processing{background:#dbeafe;color:#1e40af}
.s-shipped{background:#e0e7ff;color:#3730a3}
.s-delivered{background:#dcfce7;color:#166534}
.s-cancelled{background:#fee2e2;color:#991b1b}

/* Admin layout */
.admin-wrap{display:flex;min-height:100vh}
.admin-side{width:240px;background:#1f2937;color:#fff;padding:16px 0;position:sticky;top:0;height:100vh;overflow-y:auto;flex-shrink:0}
.admin-side h2{padding:0 16px 14px;border-bottom:1px solid #374151;margin-bottom:10px;font-size:18px}
.admin-side a{display:flex;align-items:center;gap:8px;padding:10px 16px;color:#d1d5db;font-size:14px}
.admin-side a:hover,.admin-side a.active{background:#374151;color:#fff;border-left:3px solid hsl(var(--primary))}
.admin-main{flex:1;background:#f3f4f6;min-width:0}
.admin-top{background:#fff;padding:14px 20px;border-bottom:1px solid #e5e7eb;display:flex;justify-content:space-between;align-items:center}
.admin-content{padding:20px}
.stat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:14px;margin-bottom:20px}
.stat{background:#fff;border-radius:8px;padding:16px;border-left:4px solid hsl(var(--primary))}
.stat .num{font-size:28px;font-weight:800;color:hsl(var(--primary))}
.stat .lab{color:#6b7280;font-size:13px}
.warning-box{background:#fef2f2;border:2px solid #dc2626;border-radius:8px;padding:14px;margin-bottom:20px}
.warning-box h3{color:#dc2626;margin-bottom:8px}

.site-footer{background:#1f2937;color:#d1d5db;text-align:center;padding:20px;margin-top:40px}
.site-footer a{color:hsl(var(--accent));font-weight:700}

@media(max-width:768px){
  .nav{padding:8px}
  .logo span{font-size:16px}
  .search{order:3;width:100%}
  .nav-links{font-size:14px;gap:10px}
  .admin-side{position:fixed;left:-240px;transition:left .2s;z-index:100}
  .admin-side.open{left:0}
  .menu-btn{display:block !important}
  .hero h1{font-size:24px}
}
.menu-btn{display:none;background:none;border:0;font-size:22px;cursor:pointer}