fix: Fix product page syntax errors

1. Remove duplicate/broken code in product tables section
2. Fix PostCSS config for Tailwind 4
3. Add @tailwindcss/postcss dependency
4. Remove --production flag from Dockerfile (sharp required)

All fixes enable successful Docker build with favicon working.

node_modules/astro/dist/runtime/client/dev-toolbar/helpers.d.ts

@@ -0,0 +1,61 @@
+type NotificationPayload = {
+    state: true;
+    level?: 'error' | 'warning' | 'info';
+} | {
+    state: false;
+};
+type AppStatePayload = {
+    state: boolean;
+};
+type AppToggledEvent = (opts: {
+    state: boolean;
+}) => void;
+type ToolbarPlacementUpdatedEvent = (opts: {
+    placement: 'bottom-left' | 'bottom-center' | 'bottom-right';
+}) => void;
+export declare class ToolbarAppEventTarget extends EventTarget {
+    constructor();
+    /**
+     * Toggle the notification state of the toolbar
+     * @param options - The notification options
+     * @param options.state - The state of the notification
+     * @param options.level - The level of the notification, optional when state is false
+     */
+    toggleNotification(options: NotificationPayload): void;
+    /**
+     * Toggle the app state on or off
+     * @param options - The app state options
+     * @param options.state - The new state of the app
+     */
+    toggleState(options: AppStatePayload): void;
+    /**
+     * Fired when the app is toggled on or off
+     * @param callback - The callback to run when the event is fired, takes an object with the new state
+     */
+    onToggled(callback: AppToggledEvent): void;
+    /**
+     * Fired when the toolbar placement is updated by the user
+     * @param callback - The callback to run when the event is fired, takes an object with the new placement
+     */
+    onToolbarPlacementUpdated(callback: ToolbarPlacementUpdatedEvent): void;
+}
+export declare const serverHelpers: {
+    /**
+     * Send a message to the server, the payload can be any serializable data.
+     *
+     * The server can listen for this message in the `astro:server:config` hook of an Astro integration, using the `toolbar.on` method.
+     *
+     * @param event - The event name
+     * @param payload - The payload to send
+     */
+    send: <T>(event: string, payload: T) => void;
+    /**
+     * Receive a message from the server.
+     * @param event - The event name
+     * @param callback - The callback to run when the event is received.
+     * The payload's content will be passed to the callback as an argument
+     */
+    on: <T>(event: string, callback: (data: T) => void) => void;
+};
+export type ToolbarServerHelpers = typeof serverHelpers;
+export {};