Feature: Order tracking with IDs, 30% deposit calculation, PayID support, and post-submission instructions

frontend/package.json

@@ -10,6 +10,8 @@
     "preview": "vite preview"
   },
   "dependencies": {
+    "@tailwindcss/postcss": "^4.3.0",
+    "@tailwindcss/vite": "^4.3.0",
     "react": "^19.2.6",
     "react-dom": "^19.2.6"
   },