.bto-whatsapp-button {
    background-color: #25D366;
    color: #fff;
    border: 1px solid #25D366;
    border-radius: 4px;
    padding: 0 24px;
    height: 50px;
    font-weight: 700;
    text-transform: uppercase;
    font-size: 14px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none !important;
    vertical-align: middle;
    margin-left: 10px;
}

.bto-whatsapp-button:hover,
.bto-whatsapp-button:focus {
    background-color: #20ba5a;
    border-color: #20ba5a;
    color: #fff;
}

.bto-whatsapp-button svg {
    width: 18px;
    height: 18px;
    fill: currentColor;
    display: inline-block;
}

/* Responsive and alignment setup */
.woocommerce div.product p.cart:not(.commercekit_sticky-atc-origin), 
.woocommerce div.product form.cart:not(.commercekit_sticky-atc-origin) {
    display: flex !important;
    flex-wrap: wrap !important;
    align-items: center !important;
}

.woocommerce div.product form.cart:not(.commercekit_sticky-atc-origin) .quantity,
.woocommerce div.product form.cart:not(.commercekit_sticky-atc-origin) .single_add_to_cart_button,
.woocommerce div.product form.cart:not(.commercekit_sticky-atc-origin) .bto-whatsapp-button {
    margin-bottom: 10px !important;
    float: none !important;
}

.woocommerce div.product form.cart:not(.commercekit_sticky-atc-origin) .woocommerce-variation-add-to-cart {
    display: flex !important;
    flex-wrap: wrap !important;
    align-items: center !important;
    width: 100%;
}

.woocommerce div.product form.cart:not(.commercekit_sticky-atc-origin) .woocommerce-variation-add-to-cart .quantity,
.woocommerce div.product form.cart:not(.commercekit_sticky-atc-origin) .woocommerce-variation-add-to-cart .single_add_to_cart_button,
.woocommerce div.product form.cart:not(.commercekit_sticky-atc-origin) .woocommerce-variation-add-to-cart .bto-whatsapp-button {
    margin-bottom: 10px !important;
    float: none !important;
    margin-left: 0;
}

.woocommerce div.product form.cart:not(.commercekit_sticky-atc-origin) .woocommerce-variation-add-to-cart .single_add_to_cart_button {
    margin-left: 10px;
}

.woocommerce div.product form.cart:not(.commercekit_sticky-atc-origin) .woocommerce-variation-add-to-cart .bto-whatsapp-button {
    margin-left: 10px;
}

/* CommerceKit / Shoptimizer integration */
.woocommerce div.product form.cart.commercekit_sticky-atc-origin .commercekit-pdp-sticky-inner {
    width: 100% !important;
}

.woocommerce div.product form.cart.commercekit_sticky-atc-origin .commercekit-sticky-atc-intersector {
    display: flex !important;
    flex-direction: row !important;
    flex-wrap: wrap !important;
    width: 100% !important;
}

/* Desktop layout for CommerceKit */
@media (min-width: 769px) {
    .woocommerce div.product form.cart.commercekit_sticky-atc-origin .commercekit-sticky-atc-intersector .quantity {
        flex: 0 0 80px !important;
        width: 80px !important;
        max-width: 80px !important;
        margin-right: calc(100% - 80px) !important;
        margin-bottom: 15px !important;
        margin-left: 0 !important;
    }

    .woocommerce div.product form.cart.commercekit_sticky-atc-origin .commercekit-sticky-atc-intersector .single_add_to_cart_button {
        width: calc(50% - 6px) !important;
        margin-left: 0 !important;
        margin-right: 6px !important;
        margin-bottom: 0 !important;
        flex: 0 0 calc(50% - 6px) !important;
    }

    .woocommerce div.product form.cart.commercekit_sticky-atc-origin .commercekit-sticky-atc-intersector .bto-whatsapp-button {
        width: calc(50% - 6px) !important;
        margin-left: 6px !important;
        margin-right: 0 !important;
        margin-bottom: 0 !important;
        height: 52px !important;
        flex: 0 0 calc(50% - 6px) !important;
    }
}

/* Mobile layout for CommerceKit */
@media (max-width: 768px) {
    .woocommerce div.product form.cart.commercekit_sticky-atc-origin .commercekit-sticky-atc-intersector .quantity {
        flex: 0 0 80px !important;
        width: 80px !important;
        max-width: 80px !important;
        margin-right: calc(100% - 80px) !important;
        margin-bottom: 15px !important;
        margin-left: 0 !important;
    }

    .woocommerce div.product form.cart.commercekit_sticky-atc-origin .commercekit-sticky-atc-intersector .single_add_to_cart_button {
        width: 100% !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
        margin-bottom: 10px !important;
        flex: 0 0 100% !important;
    }

    .woocommerce div.product form.cart.commercekit_sticky-atc-origin .commercekit-sticky-atc-intersector .bto-whatsapp-button {
        width: 100% !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
        margin-bottom: 10px !important;
        height: 50px !important;
        flex: 0 0 100% !important;
    }
}

/* Sticky cart styles */
.shoptimizer-sticky-add-to-cart__content-button,
.commercekit-sticky-add-to-cart__content-button {
    display: flex !important;
    align-items: center !important;
    gap: 8px !important;
    flex-direction: row !important;
}

.shoptimizer-sticky-add-to-cart__content-button .button,
.commercekit-sticky-add-to-cart__content-button .button,
.shoptimizer-sticky-add-to-cart__content-button .bto-whatsapp-sticky-button,
.commercekit-sticky-add-to-cart__content-button .bto-whatsapp-sticky-button {
    margin: 0 !important;
    height: 40px !important;
    line-height: 40px !important;
    padding: 0 15px !important;
    font-size: 13px !important;
    white-space: nowrap !important;
}

.bto-whatsapp-sticky-button {
    background-color: #25D366 !important;
    color: #fff !important;
    border: none !important;
    border-radius: 4px !important;
    font-weight: 700 !important;
    text-transform: uppercase !important;
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
    gap: 6px !important;
    cursor: pointer !important;
    transition: all 0.3s ease !important;
    text-decoration: none !important;
}

.bto-whatsapp-sticky-button:hover {
    background-color: #20ba5a !important;
    color: #fff !important;
}

.bto-whatsapp-sticky-button svg {
    width: 16px !important;
    height: 16px !important;
    fill: currentColor !important;
}

/* Responsive adjustment for sticky cart bar and main buttons */
@media (max-width: 768px) {
    .woocommerce div.product form.cart:not(.commercekit_sticky-atc-origin) .single_add_to_cart_button,
    .woocommerce div.product form.cart:not(.commercekit_sticky-atc-origin) .bto-whatsapp-button,
    .woocommerce div.product form.cart:not(.commercekit_sticky-atc-origin) .woocommerce-variation-add-to-cart .single_add_to_cart_button,
    .woocommerce div.product form.cart:not(.commercekit_sticky-atc-origin) .woocommerce-variation-add-to-cart .bto-whatsapp-button {
        flex: 1 1 100% !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
        width: 100% !important;
        text-align: center !important;
    }

    .shoptimizer-sticky-add-to-cart__content-button,
    .commercekit-sticky-add-to-cart__content-button {
        width: 100% !important;
        justify-content: space-between !important;
    }
    
    .shoptimizer-sticky-add-to-cart__content-button .button,
    .commercekit-sticky-add-to-cart__content-button .button,
    .shoptimizer-sticky-add-to-cart__content-button .bto-whatsapp-sticky-button,
    .commercekit-sticky-add-to-cart__content-button .bto-whatsapp-sticky-button {
        flex: 1 !important;
        text-align: center !important;
    }
}