*{box-sizing:border-box}body{margin:0;font-family:Inter,system-ui,sans-serif;background:#fafafa;color:#111}
.topbar{background:#000;color:#fff;text-align:center;padding:8px;font-size:14px}
.topbar a{color:#ffd700;text-decoration:none;font-weight:700}
header{display:flex;align-items:center;gap:20px;padding:12px 20px;background:#fff;box-shadow:0 1px 3px rgba(0,0,0,.1);position:sticky;top:0;z-index:10}
header .logo img{height:40px}
header nav{display:flex;gap:18px;flex:1}
header nav a{text-decoration:none;color:#111;font-weight:700;font-size:14px}
header nav a.sale{color:#ff4500}
header .right{display:flex;gap:12px;align-items:center}
header .right input{padding:8px;border:1px solid #ddd;border-radius:6px;width:200px}
header .right a{text-decoration:none;color:#111;font-weight:700}
main{max-width:1400px;margin:0 auto;padding:20px}
main h1{font-size:24px;text-transform:uppercase}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:16px}
.card{background:#fff;border-radius:8px;overflow:hidden;border:1px solid #eee;display:flex;flex-direction:column}
.card img{width:100%;height:240px;object-fit:cover;background:#f5f5f5}
.card .info{padding:10px;display:flex;flex-direction:column;gap:6px;flex:1}
.card .title{font-weight:700;font-size:14px;line-height:1.3;min-height:36px}
.card .price{color:#9d2226;font-weight:800}
.card .actions{display:flex;gap:6px;margin-top:auto}
.btn{flex:1;padding:8px;border:none;border-radius:6px;font-weight:700;cursor:pointer;font-size:13px}
.btn.buy{background:#000;color:#fff}
.btn.cart{background:#fff;color:#000;border:1px solid #000}
.btn:hover{opacity:.85}
footer{padding:30px;text-align:center;background:#000;color:#999;margin-top:40px}
footer a{color:#fff}
.cart-row{display:grid;grid-template-columns:80px 1fr auto auto;gap:12px;align-items:center;background:#fff;padding:12px;border-radius:8px;margin-bottom:8px}
.cart-row img{width:80px;height:80px;object-fit:cover;border-radius:6px}
#checkout-form{display:flex;flex-direction:column;gap:10px;max-width:500px;background:#fff;padding:20px;border-radius:8px}
#checkout-form input,#checkout-form textarea{padding:10px;border:1px solid #ddd;border-radius:6px;font-size:14px}
#cart-total{font-size:20px;font-weight:800;text-align:right;padding:16px}
.product-detail{display:grid;grid-template-columns:1fr 1fr;gap:30px;background:#fff;padding:20px;border-radius:8px}
.product-detail img{width:100%;border-radius:8px}
.product-detail h1{margin:0}
.product-detail .price{font-size:28px;color:#9d2226;font-weight:800;margin:12px 0}
.product-detail .actions{display:flex;gap:10px;margin-top:20px}
@media(max-width:700px){.product-detail{grid-template-columns:1fr}header nav{display:none}}