.piu-backend-cart-toast{
    position:fixed;right:22px;bottom:22px;z-index:999999;max-width:360px;
    padding:14px 18px;border-radius:13px;background:#202020;color:#fff;
    box-shadow:0 18px 55px rgba(0,0,0,.22);opacity:0;transform:translateY(14px);
    pointer-events:none;transition:.22s ease;font-size:13px;font-weight:700
}
.piu-backend-cart-toast.show{opacity:1;transform:translateY(0)}
.piu-backend-cart-toast.error{background:#b42318}
.piu-add-to-cart-btn:disabled,#piuAddToCartButton:disabled{opacity:.7;cursor:wait}