.pwa-install-button {
    position: fixed;
    right: 16px;
    bottom: 18px;
    z-index: 9999;
    border: 0;
    border-radius: 999px;
    padding: 12px 18px;
    background: #111827;
    color: #fff;
    font-weight: 700;
    box-shadow: 0 12px 32px rgba(0, 0, 0, .22);
}

.product-addon-modal { display: block !important; }
.product-addon-header { gap: 16px; }
.product-addon-option {
    gap: 12px;
    margin-top: 10px;
    padding: 13px 14px;
    border: 1px solid #e5e7eb;
    border-radius: 14px;
    cursor: pointer;
}
.product-addon-option input { margin-right: 8px; width: 18px; height: 18px; }
.product-addon-submit { min-height: 48px; color: #fff; background: #111827; border-radius: 14px; }
.cart-addon-list { margin: 6px 0; padding: 0; list-style: none; color: #667085; font-size: 12px; }

@media (max-width: 767.98px) {
    html { background: #f4f5f7; }
    body { padding-bottom: calc(84px + env(safe-area-inset-bottom)); -webkit-tap-highlight-color: transparent; }
    body, button, input, select, textarea { font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; }

    .main-right-col { margin-top: 18px; }
    #card-summary {
        overflow: visible;
        border: 0 !important;
        border-radius: 22px !important;
        background: transparent !important;
        box-shadow: none !important;
    }
    #card-summary .cart-box-wrp,
    #card-summary .cart-body,
    #card-summary .payment-method,
    #card-summary .order-summary,
    #card-summary .coupon-box {
        margin-bottom: 14px;
        padding: 16px !important;
        border: 1px solid #e9eaee !important;
        border-radius: 18px !important;
        background: #fff !important;
        box-shadow: 0 5px 20px rgba(17, 24, 39, .05);
    }
    #card-summary h2, #card-summary h3, #card-summary h4 { font-size: 18px; font-weight: 800; }
    #card-summary .cart-item { gap: 12px; padding: 14px 0; border-bottom: 1px solid #eef0f3; }
    #card-summary .cart-image { width: 76px; min-width: 76px; height: 76px; overflow: hidden; border-radius: 14px; }
    #card-summary .cart-image img { width: 100%; height: 100%; object-fit: cover; }
    #card-summary .cart-content { flex: 1; gap: 8px; align-items: flex-start !important; }
    #card-summary .cart-title { font-size: 15px; font-weight: 800; }
    #card-summary .qty-spinner { min-height: 38px; border-radius: 12px; background: #f4f5f7; }
    #card-summary .checkoutBtn,
    #card-summary .checkout-btn {
        position: fixed !important;
        left: 12px;
        right: 12px;
        bottom: calc(10px + env(safe-area-inset-bottom));
        z-index: 999;
        width: auto !important;
        min-height: 56px;
        border-radius: 17px !important;
        box-shadow: 0 12px 32px rgba(0, 0, 0, .24);
        font-size: 16px;
        font-weight: 800;
    }
    .modal .modal-wrapper { align-items: flex-end; }
    .modal .modal-inner {
        width: 100% !important;
        max-width: none !important;
        max-height: 88vh;
        overflow-y: auto;
        border-radius: 24px 24px 0 0 !important;
        padding-bottom: env(safe-area-inset-bottom);
    }
    .product-addon-header { align-items: flex-start !important; }
    .product-addon-modal .cart-modal-img { width: 88px; min-width: 88px; }
    .product-addon-option { min-height: 52px; }
    .pwa-install-button { bottom: calc(82px + env(safe-area-inset-bottom)); }
}