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/config/parser.cjs

@@ -0,0 +1,49 @@
+'use strict';
+
+const index = require('../scope/index.cjs');
+const index$1 = require('../atrule/index.cjs');
+const index$2 = require('../pseudo/index.cjs');
+const indexParse = require('../node/index-parse.cjs');
+
+const config = {
+    parseContext: {
+        default: 'StyleSheet',
+        stylesheet: 'StyleSheet',
+        atrule: 'Atrule',
+        atrulePrelude(options) {
+            return this.AtrulePrelude(options.atrule ? String(options.atrule) : null);
+        },
+        mediaQueryList: 'MediaQueryList',
+        mediaQuery: 'MediaQuery',
+        condition(options) {
+            return this.Condition(options.kind);
+        },
+        rule: 'Rule',
+        selectorList: 'SelectorList',
+        selector: 'Selector',
+        block() {
+            return this.Block(true);
+        },
+        declarationList: 'DeclarationList',
+        declaration: 'Declaration',
+        value: 'Value'
+    },
+    features: {
+        supports: {
+            selector() {
+                return this.Selector();
+            }
+        },
+        container: {
+            style() {
+                return this.Declaration();
+            }
+        }
+    },
+    scope: index,
+    atrule: index$1,
+    pseudo: index$2,
+    node: indexParse
+};
+
+module.exports = config;