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/infra/unifont-font-resolver.d.ts

@@ -0,0 +1,34 @@
+import type { FontFaceData, Provider } from 'unifont';
+import type { FontResolver, Hasher, Storage } from '../definitions.js';
+import type { FontProvider, ResolvedFontFamily, ResolveFontOptions } from '../types.js';
+type NonEmptyProviders = [
+    Provider<string, Record<string, any>>,
+    ...Array<Provider<string, Record<string, any>>>
+];
+export declare class UnifontFontResolver implements FontResolver {
+    #private;
+    private constructor();
+    static idFromProvider({ hasher, provider }: {
+        hasher: Hasher;
+        provider: FontProvider;
+    }): string;
+    static astroToUnifontProvider(astroProvider: FontProvider, root: URL): Provider;
+    static extractUnifontProviders({ families, hasher, root, }: {
+        families: Array<ResolvedFontFamily>;
+        hasher: Hasher;
+        root: URL;
+    }): NonEmptyProviders;
+    static create({ families, hasher, storage, root, }: {
+        families: Array<ResolvedFontFamily>;
+        hasher: Hasher;
+        storage: Storage;
+        root: URL;
+    }): Promise<UnifontFontResolver>;
+    resolveFont({ familyName, provider, options, ...rest }: ResolveFontOptions<Record<string, any>> & {
+        provider: FontProvider;
+    }): Promise<Array<FontFaceData>>;
+    listFonts({ provider }: {
+        provider: FontProvider;
+    }): Promise<string[] | undefined>;
+}
+export {};