.cart-popup {
position: fixed;
bottom: 20px;
right: 20px;
background: #1f2937;
color: #fff;
padding: 15px 20px;
border-radius: 8px;
box-shadow: 0 10px 25px rgba(0,0,0,0.2);
font-size: 14px;
font-weight: 500;
z-index: 9999;
opacity: 0;
transform: translateY(20px);
transition: all 0.3s ease;
}
.cart-popup.show {
opacity: 1;
transform: translateY(0);
}
