:root{
  --primary:#e6371e;
  --primary-dark:#c22c15;
  --dark:#1a1a1a;
  --gray:#666;
  --light:#f7f7f8;
  --border:#e5e5e5;
  --radius:10px;
}
*{box-sizing:border-box;margin:0;padding:0;}
body{font-family:'Segoe UI',Roboto,Arial,sans-serif;color:var(--dark);background:#fff;line-height:1.5;}
a{text-decoration:none;color:inherit;}
img{max-width:100%;display:block;}
.container{max-width:1200px;margin:0 auto;padding:0 20px;}

.topbar{background:var(--primary);color:#fff;text-align:center;font-size:13px;padding:8px;font-weight:600;}

.site-header{border-bottom:1px solid var(--border);padding:14px 0;position:sticky;top:0;background:#fff;z-index:50;}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;}
.logo{font-size:24px;font-weight:800;color:var(--primary);}
.main-nav{display:flex;gap:22px;flex-wrap:wrap;}
.main-nav a{font-weight:600;font-size:14px;color:var(--dark);}
.main-nav a:hover{color:var(--primary);}
.header-actions{display:flex;align-items:center;gap:16px;}
.search-form{display:flex;border:1px solid var(--border);border-radius:6px;overflow:hidden;}
.search-form input{border:none;padding:8px 10px;font-size:13px;width:160px;}
.search-form button{border:none;background:var(--light);padding:0 12px;cursor:pointer;}
.cart-link{font-weight:700;white-space:nowrap;}
.cart-count{background:var(--primary);color:#fff;border-radius:50%;padding:1px 7px;font-size:12px;margin-left:4px;}

/* Banner slider */
.banner-slider{position:relative;overflow:hidden;border-radius:var(--radius);margin:20px 0;}
.banner-slider .slide{display:none;}
.banner-slider .slide.active{display:block;}
.banner-slider img{width:100%;border-radius:var(--radius);}
.banner-dots{display:flex;justify-content:center;gap:6px;margin-top:10px;}
.banner-dots span{width:8px;height:8px;border-radius:50%;background:var(--border);cursor:pointer;}
.banner-dots span.active{background:var(--primary);}

/* Section titles */
.section{padding:36px 0;}
.section-title{font-size:24px;font-weight:800;margin-bottom:20px;text-align:center;}

/* Category grid */
.category-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:16px;}
.category-card{background:var(--light);border-radius:var(--radius);padding:20px;text-align:center;font-weight:700;transition:transform .15s;}
.category-card:hover{transform:translateY(-3px);box-shadow:0 6px 18px rgba(0,0,0,.08);}
.category-card .count{display:block;font-weight:400;color:var(--gray);font-size:13px;margin-top:4px;}

/* Product grid */
.product-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:20px;}
.product-card{border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;position:relative;background:#fff;transition:box-shadow .15s;}
.product-card:hover{box-shadow:0 8px 20px rgba(0,0,0,.08);}
.product-card .badge{position:absolute;top:10px;left:10px;background:var(--primary);color:#fff;font-size:12px;font-weight:700;padding:3px 8px;border-radius:6px;}
.product-card .img-wrap{aspect-ratio:1/1;background:var(--light);overflow:hidden;}
.product-card .img-wrap img{width:100%;height:100%;object-fit:cover;}
.product-card .info{padding:14px;}
.product-card h3{font-size:14px;font-weight:600;height:40px;overflow:hidden;margin-bottom:8px;}
.price-row{display:flex;align-items:center;gap:8px;}
.price-now{color:var(--primary);font-weight:800;font-size:16px;}
.price-old{color:#999;text-decoration:line-through;font-size:13px;}
.btn{display:inline-block;background:var(--primary);color:#fff;border:none;padding:10px 18px;border-radius:6px;font-weight:700;cursor:pointer;font-size:14px;}
.btn:hover{background:var(--primary-dark);}
.btn-outline{background:#fff;color:var(--primary);border:1px solid var(--primary);}
.btn-block{width:100%;text-align:center;}
.add-cart-btn{width:100%;margin-top:8px;}

.tabs{display:flex;gap:20px;justify-content:center;margin-bottom:24px;}
.tabs button{background:none;border:none;font-size:15px;font-weight:700;color:var(--gray);cursor:pointer;padding-bottom:6px;border-bottom:2px solid transparent;}
.tabs button.active{color:var(--primary);border-color:var(--primary);}

/* Product detail */
.product-detail{display:grid;grid-template-columns:1fr 1fr;gap:40px;padding:36px 0;}
.gallery-main{border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;aspect-ratio:1/1;}
.gallery-main img{width:100%;height:100%;object-fit:cover;}
.gallery-thumbs{display:flex;gap:8px;margin-top:10px;}
.gallery-thumbs img{width:70px;height:70px;object-fit:cover;border-radius:6px;border:1px solid var(--border);cursor:pointer;}
.product-title{font-size:26px;font-weight:800;margin-bottom:10px;}
.product-price{font-size:28px;font-weight:800;color:var(--primary);margin:14px 0;}
.product-price .price-old{font-size:18px;margin-left:10px;}
.qty-selector{display:flex;align-items:center;gap:10px;margin:20px 0;}
.qty-selector button{width:34px;height:34px;border:1px solid var(--border);background:#fff;font-size:18px;cursor:pointer;border-radius:6px;}
.qty-selector input{width:50px;text-align:center;border:1px solid var(--border);border-radius:6px;height:34px;}
.action-row{display:flex;gap:12px;margin-top:16px;}
.product-desc{margin-top:30px;border-top:1px solid var(--border);padding-top:20px;line-height:1.8;}

/* Cart & checkout */
.cart-table{width:100%;border-collapse:collapse;margin:20px 0;}
.cart-table th,.cart-table td{padding:12px;border-bottom:1px solid var(--border);text-align:left;font-size:14px;}
.cart-table img{width:60px;height:60px;object-fit:cover;border-radius:6px;}
.cart-summary{max-width:360px;margin-left:auto;background:var(--light);padding:20px;border-radius:var(--radius);}
.cart-summary .row{display:flex;justify-content:space-between;margin-bottom:10px;font-size:14px;}
.cart-summary .total{font-weight:800;font-size:18px;border-top:1px solid var(--border);padding-top:10px;}

.checkout-grid{display:grid;grid-template-columns:1.3fr 1fr;gap:40px;padding:36px 0;}
.form-group{margin-bottom:16px;}
.form-group label{display:block;font-weight:600;margin-bottom:6px;font-size:14px;}
.form-group input,.form-group textarea,.form-group select{width:100%;padding:10px 12px;border:1px solid var(--border);border-radius:6px;font-size:14px;font-family:inherit;}
.payment-options label{display:flex;align-items:center;gap:10px;border:1px solid var(--border);padding:12px;border-radius:8px;margin-bottom:10px;cursor:pointer;}
.order-summary-box{background:var(--light);padding:20px;border-radius:var(--radius);height:fit-content;}
.order-summary-box .item-row{display:flex;justify-content:space-between;font-size:14px;margin-bottom:10px;}

/* Testimonials */
.testimonial-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:20px;}
.testimonial-card{background:var(--light);border-radius:var(--radius);padding:20px;}
.testimonial-card .stars{color:#f5a623;margin-bottom:8px;}

/* Trust badges */
.trust-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:20px;text-align:center;}
.trust-grid .icon{font-size:28px;margin-bottom:8px;}

/* Newsletter */
.newsletter{background:var(--dark);color:#fff;text-align:center;padding:50px 20px;border-radius:var(--radius);}
.newsletter form{display:flex;max-width:400px;margin:20px auto 0;gap:8px;}
.newsletter input{flex:1;padding:10px 12px;border-radius:6px;border:none;}

/* Footer */
.site-footer{background:var(--light);margin-top:40px;padding-top:40px;}
.footer-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:24px;}
.footer-grid h4{margin-bottom:12px;}
.footer-grid a{display:block;color:var(--gray);margin-bottom:8px;font-size:14px;}
.footer-bottom{text-align:center;padding:20px;font-size:13px;color:var(--gray);border-top:1px solid var(--border);margin-top:20px;}

.alert{padding:12px 16px;border-radius:8px;margin-bottom:16px;font-size:14px;}
.alert-success{background:#e6f7ec;color:#127a3d;border:1px solid #b6e9c9;}
.alert-error{background:#fde8e8;color:#c22c15;border:1px solid #f7bcbc;}

.empty-state{text-align:center;padding:60px 20px;color:var(--gray);}

/* Admin */
.admin-body{background:#f2f3f5;font-family:'Segoe UI',Roboto,Arial,sans-serif;}
.admin-layout{display:flex;min-height:100vh;}
.admin-sidebar{width:230px;background:#1a1a1a;color:#fff;padding:20px 0;flex-shrink:0;}
.admin-sidebar .brand{padding:0 20px 20px;font-weight:800;font-size:18px;border-bottom:1px solid #333;margin-bottom:10px;}
.admin-sidebar a{display:block;padding:12px 20px;color:#ccc;font-size:14px;}
.admin-sidebar a:hover,.admin-sidebar a.active{background:var(--primary);color:#fff;}
.admin-main{flex:1;padding:30px;}
.admin-topbar{display:flex;justify-content:space-between;align-items:center;margin-bottom:24px;}
.admin-card{background:#fff;border-radius:10px;padding:20px;margin-bottom:20px;box-shadow:0 1px 3px rgba(0,0,0,.06);}
.stat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px;margin-bottom:24px;}
.stat-card{background:#fff;border-radius:10px;padding:20px;box-shadow:0 1px 3px rgba(0,0,0,.06);}
.stat-card .num{font-size:26px;font-weight:800;color:var(--primary);}
.stat-card .label{color:var(--gray);font-size:13px;}
table.admin-table{width:100%;border-collapse:collapse;}
table.admin-table th,table.admin-table td{padding:10px 12px;border-bottom:1px solid var(--border);text-align:left;font-size:14px;}
table.admin-table th{background:var(--light);}
.status-pill{padding:3px 10px;border-radius:12px;font-size:12px;font-weight:700;text-transform:capitalize;}
.status-pending{background:#fff3cd;color:#856404;}
.status-confirmed{background:#d1ecf1;color:#0c5460;}
.status-shipped{background:#d4edda;color:#155724;}
.status-delivered{background:#c3e6cb;color:#155724;}
.status-cancelled{background:#f8d7da;color:#721c24;}
.login-box{max-width:380px;margin:80px auto;background:#fff;padding:30px;border-radius:10px;box-shadow:0 2px 12px rgba(0,0,0,.08);}
.admin-actions a,.admin-actions button{margin-right:8px;font-size:13px;padding:6px 12px;}