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/css-tree/cjs/syntax/node/Scope.cjs

@@ -0,0 +1,69 @@
+'use strict';
+
+const types = require('../../tokenizer/types.cjs');
+
+const name = 'Scope';
+const structure = {
+    root: ['SelectorList', 'Raw', null],
+    limit: ['SelectorList', 'Raw', null]
+};
+
+function parse() {
+    let root = null;
+    let limit = null;
+
+    this.skipSC();
+
+    const startOffset = this.tokenStart;
+    if (this.tokenType === types.LeftParenthesis) {
+        this.next();
+        this.skipSC();
+        root = this.parseWithFallback(
+            this.SelectorList,
+            () => this.Raw(false, true)
+        );
+        this.skipSC();
+        this.eat(types.RightParenthesis);
+    }
+
+    if (this.lookupNonWSType(0) === types.Ident) {
+        this.skipSC();
+        this.eatIdent('to');
+        this.skipSC();
+        this.eat(types.LeftParenthesis);
+        this.skipSC();
+        limit = this.parseWithFallback(
+            this.SelectorList,
+            () => this.Raw(false, true)
+        );
+        this.skipSC();
+        this.eat(types.RightParenthesis);
+    }
+
+    return {
+        type: 'Scope',
+        loc: this.getLocation(startOffset, this.tokenStart),
+        root,
+        limit
+    };
+}
+
+function generate(node) {
+    if (node.root) {
+        this.token(types.LeftParenthesis, '(');
+        this.node(node.root);
+        this.token(types.RightParenthesis, ')');
+    }
+
+    if (node.limit) {
+        this.token(types.Ident, 'to');
+        this.token(types.LeftParenthesis, '(');
+        this.node(node.limit);
+        this.token(types.RightParenthesis, ')');
+    }
+}
+
+exports.generate = generate;
+exports.name = name;
+exports.parse = parse;
+exports.structure = structure;