*{box-sizing:border-box}
body{font-family:Inter, Arial, sans-serif;margin:0;background:#f7f6f3;color:#222}
header{background:#0f1724;color:#fff;padding:14px 20px;display:flex;justify-content:space-between;align-items:center}
header h1{margin:0;font-size:20px;letter-spacing:2px}
main{display:flex;gap:20px;padding:20px}
.grid{flex:1;display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:16px}
.product{background:#fff;border-radius:8px;padding:12px;box-shadow:0 2px 6px rgba(0,0,0,0.06)}
.product h3{margin:0 0 6px 0}
.price{font-weight:700;margin-bottom:8px}
.colors button{margin-right:6px;padding:6px 10px;border-radius:6px;border:1px solid #ddd;background:#fff;cursor:pointer}
#cart{width:340px;background:#fff;padding:12px;border-radius:8px;box-shadow:0 2px 6px rgba(0,0,0,0.06)}
#cart .cart-line{margin-bottom:6px}
.modal{display:none;position:fixed;left:0;top:0;width:100%;height:100%;background:rgba(0,0,0,0.5);align-items:center;justify-content:center}
.modal .modal-content{background:#fff;padding:16px;border-radius:8px;max-width:600px;width:90%}
.sizechart{width:100%;border-collapse:collapse}
.sizechart th,.sizechart td{padding:8px;border:1px solid #eee;text-align:center}