feat/fix: checkout email tracing, UI tweaks for add-to-cart, cart page overflow fix, implement hide admin bar setting

customer-spa/src/pages/Product/index.tsx

@@ -909,8 +909,8 @@ export default function Product() {
       {/* Sticky CTA Bar */}
       {layout.sticky_add_to_cart && stockStatus === 'instock' && (
         <div className="fixed bottom-0 left-0 right-0 bg-white border-t-2 border-gray-200 p-3 shadow-2xl z-50">
-          <div className="flex items-center gap-3">
-            <div className="flex-1">
+          <div className="max-w-6xl mx-auto flex items-center justify-between gap-3 px-2">
+            <div className="flex-1 flex flex-col justify-center min-w-0">
               {/* Show selected variation for variable products */}
               {product.type === 'variable' && Object.keys(selectedAttributes).length > 0 && (
                 <div className="text-xs text-gray-600 mb-1 flex items-center gap-1 flex-wrap">