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/assets/fonts/providers/index.d.ts

@@ -0,0 +1,37 @@
+import { type AdobeProviderOptions, type GoogleFamilyOptions, type GoogleiconsFamilyOptions } from 'unifont';
+import type { FontProvider } from '../types.js';
+import { type LocalFamilyOptions } from './local.js';
+/** [Adobe](https://fonts.adobe.com/) */
+declare function adobe(config: AdobeProviderOptions): FontProvider;
+/** [Bunny](https://fonts.bunny.net/) */
+declare function bunny(): FontProvider;
+/** [Fontshare](https://www.fontshare.com/) */
+declare function fontshare(): FontProvider;
+/** [Fontsource](https://fontsource.org/) */
+declare function fontsource(): FontProvider;
+/** [Google](https://fonts.google.com/) */
+declare function google(): FontProvider<GoogleFamilyOptions | undefined>;
+/** [Google Icons](https://fonts.google.com/icons) */
+declare function googleicons(): FontProvider<GoogleiconsFamilyOptions | undefined>;
+/** A provider that handles local files. */
+declare function local(): FontProvider<LocalFamilyOptions>;
+/**
+ * Astro exports a few built-in providers:
+ * - [Adobe](https://fonts.adobe.com/)
+ * - [Bunny](https://fonts.bunny.net/)
+ * - [Fontshare](https://www.fontshare.com/)
+ * - [Fontsource](https://fontsource.org/)
+ * - [Google](https://fonts.google.com/)
+ * - [Google Icons](https://fonts.google.com/icons)
+ * - Local
+ */
+export declare const fontProviders: {
+    adobe: typeof adobe;
+    bunny: typeof bunny;
+    fontshare: typeof fontshare;
+    fontsource: typeof fontsource;
+    google: typeof google;
+    googleicons: typeof googleicons;
+    local: typeof local;
+};
+export {};