edited code design

.gitignore

@@ -155,9 +155,8 @@ backend/public/uploads/
 secrets/
 keys/
 
-# Own files
 ToDo.txt
-PayPal-QR-Code.png
+
 
 # only in development branch
 next-env.d.ts

docker-compose.yml

@@ -1,16 +1,19 @@
 services:
-  #  frontend:
-  #    container_name: ca-lose-frontend
-  #    build: ./frontend
-  #    ports:
-  #      - "8002:80"
-  #    restart: unless-stopped
+  frontend:
+    container_name: ca-lose-frontend
+    hostname: lose-verkaufen
+    build: ./frontend
+    depends_on:
+      - backend
+    networks:
+      ca-lose-internal:
+        ipv4_address: 172.25.0.2
+    restart: unless-stopped
 
   backend:
     container_name: ca-lose-backend
+    hostname: backend
     build: ./backend
-    ports:
-      - "8004:8004"
     environment:
       NODE_ENV: production
       DB_HOST: ca-lose-mysql
@@ -19,21 +22,80 @@ services:
       DB_NAME: ca_lose
     depends_on:
       - database
+    networks:
+      ca-lose-internal:
+        ipv4_address: 172.25.0.3
     restart: unless-stopped
 
   database:
     container_name: ca-lose-mysql
+    hostname: database
     image: mysql:8.0
     restart: unless-stopped
-    ports:
-      - "3311:3306"
     environment:
       MYSQL_ROOT_PASSWORD: ${DB_PASSWORD}
       MYSQL_DATABASE: ca_lose
       TZ: Europe/Berlin
     volumes:
-      - ca-lose_mysql:/var/lib/mysql
+      - ../docker/volumes/ca-lose_mysql:/var/lib/mysql
       - ./mysql-timezone.cnf:/etc/mysql/conf.d/timezone.cnf:ro
+    networks:
+      ca-lose-internal:
+        ipv4_address: 172.25.0.4
 
-volumes:
-  ca-lose_mysql:
+  # DNS Server für Hostname-Auflösung innerhalb des VPN
+  dnsmasq:
+    container_name: ca-lose-dns
+    image: andyshinn/dnsmasq:latest
+    restart: unless-stopped
+    cap_add:
+      - NET_ADMIN
+    command: >
+      --no-daemon
+      --log-queries
+      --address=/lose-verkaufen/172.25.0.2
+      --address=/frontend/172.25.0.2
+      --address=/backend/172.25.0.3
+      --address=/database/172.25.0.4
+      --address=/wireguard/172.25.0.6
+    networks:
+      ca-lose-internal:
+        ipv4_address: 172.25.0.5
+
+  # WireGuard VPN mit Web-UI (wg-easy)
+  wireguard:
+    image: ghcr.io/wg-easy/wg-easy:latest
+    container_name: ca-lose-wireguard
+    cap_add:
+      - NET_ADMIN
+      - SYS_MODULE
+    environment:
+      LANG: de
+      WG_HOST: dus3.the1s.de
+      WG_PORT: "51830"
+      WG_DEFAULT_DNS: "172.25.0.5"
+      PORT: "80" # Web-UI Port
+      PASSWORD_HASH: ${WIREGUARD_PASSWORD_HASH}
+    volumes:
+      - ../docker/volumes/ca-lose-wireguard:/etc/wireguard
+      - /lib/modules:/lib/modules:ro
+    ports:
+      - "51830:51830/udp"
+    # - "51831:80/tcp" # only for short configuration access - remove in production - external: 51831 internal: 80
+    sysctls:
+      - net.ipv4.ip_forward=1
+      - net.ipv4.conf.all.src_valid_mark=1
+    restart: unless-stopped
+    depends_on:
+      - dnsmasq
+    networks:
+      ca-lose-internal:
+        ipv4_address: 172.25.0.6
+
+networks:
+  ca-lose-internal:
+    driver: bridge
+    ipam:
+      config:
+        - subnet: 172.25.0.0/24
+          gateway: 172.25.0.1

frontend/README.md

@@ -4,8 +4,8 @@ This template provides a minimal setup to get React working in Vite with HMR and
 
 Currently, two official plugins are available:
 
-- [@vitejs/plugin-react](https://github.com/vitejs/vite-plugin-react/blob/main/packages/plugin-react) uses [Oxc](https://oxc.rs)
-- [@vitejs/plugin-react-swc](https://github.com/vitejs/vite-plugin-react/blob/main/packages/plugin-react-swc) uses [SWC](https://swc.rs/)
+- [@vitejs/plugin-react](https://github.com/vitejs/vite-plugin-react/blob/main/packages/plugin-react) uses [Babel](https://babeljs.io/) (or [oxc](https://oxc.rs) when used in [rolldown-vite](https://vite.dev/guide/rolldown)) for Fast Refresh
+- [@vitejs/plugin-react-swc](https://github.com/vitejs/vite-plugin-react/blob/main/packages/plugin-react-swc) uses [SWC](https://swc.rs/) for Fast Refresh
 
 ## React Compiler
 

frontend/eslint.config.js

@@ -16,6 +16,7 @@ export default defineConfig([
       reactRefresh.configs.vite,
     ],
     languageOptions: {
+      ecmaVersion: 2020,
       globals: globals.browser,
     },
   },

frontend/index.html

@@ -2,20 +2,9 @@
 <html lang="en">
   <head>
     <meta charset="UTF-8" />
-    <link
-      rel="icon"
-      type="image/png"
-      href="/favicon-light.png"
-      media="(prefers-color-scheme: light)"
-    />
-    <link
-      rel="icon"
-      type="image/png"
-      href="/favicon-dark.png"
-      media="(prefers-color-scheme: dark)"
-    />
+    <link rel="icon" type="image/svg+xml" href="/vite.svg" />
     <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-    <title>Lose Verkaufen</title>
+    <title>Lose verkaufen</title>
   </head>
   <body>
     <div id="root"></div>

frontend/package.json

@@ -12,38 +12,37 @@
   "dependencies": {
     "@emotion/react": "^11.14.0",
     "@emotion/styled": "^11.14.1",
-    "@fontsource-variable/inter": "^5.2.8",
-    "@fontsource/inter": "^5.2.8",
-    "@mui/icons-material": "^9.0.1",
-    "@mui/joy": "^5.0.0-beta.52",
-    "@mui/material": "^9.0.1",
-    "@tailwindcss/vite": "^4.3.0",
-    "i18next": "^26.0.10",
+    "@fontsource/roboto": "^5.2.9",
+    "@mui/icons-material": "^7.3.6",
+    "@mui/material": "^7.3.6",
+    "@mui/styled-engine-sc": "^7.3.6",
+    "@tailwindcss/vite": "^4.1.11",
+    "i18next": "^25.7.4",
     "js-cookie": "^3.0.5",
-    "lucide-react": "^1.14.0",
-    "react": "^17.0.0 || ^18.0.0 || ^19.0.0",
-    "react-dom": "^17.0.0 || ^18.0.0 || ^19.0.0",
-    "react-i18next": "^17.0.7",
-    "react-router-dom": "^7.15.0",
-    "tailwindcss": "^4.3.0"
-  },
-  "peerDependencies": {
-    "react": "^17.0.0 || ^18.0.0 || ^19.0.0",
-    "react-dom": "^17.0.0 || ^18.0.0 || ^19.0.0"
+    "lucide": "^0.562.0",
+    "lucide-react": "^0.562.0",
+    "react": "^19.2.3",
+    "react-dom": "^19.2.0",
+    "react-i18next": "^16.5.3",
+    "react-router-dom": "^7.11.0",
+    "styled-components": "^6.1.19",
+    "tailwind-merge": "^3.3.1",
+    "tailwindcss": "^4.1.11",
+    "tailwindcss-animate": "^1.0.7"
   },
   "devDependencies": {
-    "@eslint/js": "^10.0.1",
+    "@eslint/js": "^9.39.1",
     "@types/js-cookie": "^3.0.6",
-    "@types/node": "^24.12.2",
-    "@types/react": "^19.2.14",
+    "@types/node": "^24.10.1",
+    "@types/react": "^19.2.5",
     "@types/react-dom": "^19.2.3",
-    "@vitejs/plugin-react": "^6.0.1",
-    "eslint": "^10.2.1",
-    "eslint-plugin-react-hooks": "^7.1.1",
-    "eslint-plugin-react-refresh": "^0.5.2",
-    "globals": "^17.5.0",
-    "typescript": "~6.0.2",
-    "typescript-eslint": "^8.58.2",
-    "vite": "^8.0.10"
+    "@vitejs/plugin-react": "^5.1.1",
+    "eslint": "^9.39.1",
+    "eslint-plugin-react-hooks": "^7.0.1",
+    "eslint-plugin-react-refresh": "^0.4.24",
+    "globals": "^16.5.0",
+    "typescript": "~5.9.3",
+    "typescript-eslint": "^8.46.4",
+    "vite": "^7.2.4"
   }
 }

frontend/public/favicon.icon/icon.json

@@ -1,48 +0,0 @@
-{
-  "fill" : {
-    "automatic-gradient" : "extended-srgb:0.00000,0.53333,1.00000,1.00000"
-  },
-  "groups" : [
-    {
-      "layers" : [
-        {
-          "blend-mode" : "normal",
-          "fill-specializations" : [
-            {
-              "value" : "automatic"
-            },
-            {
-              "appearance" : "dark",
-              "value" : {
-                "solid" : "extended-srgb:0.00000,0.53333,1.00000,1.00000"
-              }
-            }
-          ],
-          "image-name" : "Unbenannt.png",
-          "name" : "Unbenannt",
-          "position" : {
-            "scale" : 0.9,
-            "translation-in-points" : [
-              0,
-              0
-            ]
-          }
-        }
-      ],
-      "shadow" : {
-        "kind" : "neutral",
-        "opacity" : 0.5
-      },
-      "translucency" : {
-        "enabled" : true,
-        "value" : 0.5
-      }
-    }
-  ],
-  "supported-platforms" : {
-    "circles" : [
-      "watchOS"
-    ],
-    "squares" : "shared"
-  }
-}

frontend/public/vite.svg

@@ -0,0 +1 @@
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" aria-hidden="true" role="img" class="iconify iconify--logos" width="31.88" height="32" preserveAspectRatio="xMidYMid meet" viewBox="0 0 256 257"><defs><linearGradient id="IconifyId1813088fe1fbc01fb466" x1="-.828%" x2="57.636%" y1="7.652%" y2="78.411%"><stop offset="0%" stop-color="#41D1FF"></stop><stop offset="100%" stop-color="#BD34FE"></stop></linearGradient><linearGradient id="IconifyId1813088fe1fbc01fb467" x1="43.376%" x2="50.316%" y1="2.242%" y2="89.03%"><stop offset="0%" stop-color="#FFEA83"></stop><stop offset="8.333%" stop-color="#FFDD35"></stop><stop offset="100%" stop-color="#FFA800"></stop></linearGradient></defs><path fill="url(#IconifyId1813088fe1fbc01fb466)" d="M255.153 37.938L134.897 252.976c-2.483 4.44-8.862 4.466-11.382.048L.875 37.958c-2.746-4.814 1.371-10.646 6.827-9.67l120.385 21.517a6.537 6.537 0 0 0 2.322-.004l117.867-21.483c5.438-.991 9.574 4.796 6.877 9.62Z"></path><path fill="url(#IconifyId1813088fe1fbc01fb467)" d="M185.432.063L96.44 17.501a3.268 3.268 0 0 0-2.634 3.014l-5.474 92.456a3.268 3.268 0 0 0 3.997 3.378l24.777-5.718c2.318-.535 4.413 1.507 3.936 3.838l-7.361 36.047c-.495 2.426 1.782 4.5 4.151 3.78l15.304-4.649c2.372-.72 4.652 1.36 4.15 3.788l-11.698 56.621c-.732 3.542 3.979 5.473 5.943 2.437l1.313-2.028l72.516-144.72c1.215-2.423-.88-5.186-3.54-4.672l-25.505 4.922c-2.396.462-4.435-1.77-3.759-4.114l16.646-57.705c.677-2.35-1.37-4.583-3.769-4.113Z"></path></svg>

frontend/src/App.css

@@ -1,8 +1 @@
-@import "tailwindcss";
-
-html,
-body,
-#root {
-  height: 100%;
-  margin: 0;
-}
+@import "tailwindcss";

frontend/src/assets/react.svg

@@ -0,0 +1 @@
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" aria-hidden="true" role="img" class="iconify iconify--logos" width="35.93" height="32" preserveAspectRatio="xMidYMid meet" viewBox="0 0 256 228"><path fill="#00D8FF" d="M210.483 73.824a171.49 171.49 0 0 0-8.24-2.597c.465-1.9.893-3.777 1.273-5.621c6.238-30.281 2.16-54.676-11.769-62.708c-13.355-7.7-35.196.329-57.254 19.526a171.23 171.23 0 0 0-6.375 5.848a155.866 155.866 0 0 0-4.241-3.917C100.759 3.829 77.587-4.822 63.673 3.233C50.33 10.957 46.379 33.89 51.995 62.588a170.974 170.974 0 0 0 1.892 8.48c-3.28.932-6.445 1.924-9.474 2.98C17.309 83.498 0 98.307 0 113.668c0 15.865 18.582 31.778 46.812 41.427a145.52 145.52 0 0 0 6.921 2.165a167.467 167.467 0 0 0-2.01 9.138c-5.354 28.2-1.173 50.591 12.134 58.266c13.744 7.926 36.812-.22 59.273-19.855a145.567 145.567 0 0 0 5.342-4.923a168.064 168.064 0 0 0 6.92 6.314c21.758 18.722 43.246 26.282 56.54 18.586c13.731-7.949 18.194-32.003 12.4-61.268a145.016 145.016 0 0 0-1.535-6.842c1.62-.48 3.21-.974 4.76-1.488c29.348-9.723 48.443-25.443 48.443-41.52c0-15.417-17.868-30.326-45.517-39.844Zm-6.365 70.984c-1.4.463-2.836.91-4.3 1.345c-3.24-10.257-7.612-21.163-12.963-32.432c5.106-11 9.31-21.767 12.459-31.957c2.619.758 5.16 1.557 7.61 2.4c23.69 8.156 38.14 20.213 38.14 29.504c0 9.896-15.606 22.743-40.946 31.14Zm-10.514 20.834c2.562 12.94 2.927 24.64 1.23 33.787c-1.524 8.219-4.59 13.698-8.382 15.893c-8.067 4.67-25.32-1.4-43.927-17.412a156.726 156.726 0 0 1-6.437-5.87c7.214-7.889 14.423-17.06 21.459-27.246c12.376-1.098 24.068-2.894 34.671-5.345a134.17 134.17 0 0 1 1.386 6.193ZM87.276 214.515c-7.882 2.783-14.16 2.863-17.955.675c-8.075-4.657-11.432-22.636-6.853-46.752a156.923 156.923 0 0 1 1.869-8.499c10.486 2.32 22.093 3.988 34.498 4.994c7.084 9.967 14.501 19.128 21.976 27.15a134.668 134.668 0 0 1-4.877 4.492c-9.933 8.682-19.886 14.842-28.658 17.94ZM50.35 144.747c-12.483-4.267-22.792-9.812-29.858-15.863c-6.35-5.437-9.555-10.836-9.555-15.216c0-9.322 13.897-21.212 37.076-29.293c2.813-.98 5.757-1.905 8.812-2.773c3.204 10.42 7.406 21.315 12.477 32.332c-5.137 11.18-9.399 22.249-12.634 32.792a134.718 134.718 0 0 1-6.318-1.979Zm12.378-84.26c-4.811-24.587-1.616-43.134 6.425-47.789c8.564-4.958 27.502 2.111 47.463 19.835a144.318 144.318 0 0 1 3.841 3.545c-7.438 7.987-14.787 17.08-21.808 26.988c-12.04 1.116-23.565 2.908-34.161 5.309a160.342 160.342 0 0 1-1.76-7.887Zm110.427 27.268a347.8 347.8 0 0 0-7.785-12.803c8.168 1.033 15.994 2.404 23.343 4.08c-2.206 7.072-4.956 14.465-8.193 22.045a381.151 381.151 0 0 0-7.365-13.322Zm-45.032-43.861c5.044 5.465 10.096 11.566 15.065 18.186a322.04 322.04 0 0 0-30.257-.006c4.974-6.559 10.069-12.652 15.192-18.18ZM82.802 87.83a323.167 323.167 0 0 0-7.227 13.238c-3.184-7.553-5.909-14.98-8.134-22.152c7.304-1.634 15.093-2.97 23.209-3.984a321.524 321.524 0 0 0-7.848 12.897Zm8.081 65.352c-8.385-.936-16.291-2.203-23.593-3.793c2.26-7.3 5.045-14.885 8.298-22.6a321.187 321.187 0 0 0 7.257 13.246c2.594 4.48 5.28 8.868 8.038 13.147Zm37.542 31.03c-5.184-5.592-10.354-11.779-15.403-18.433c4.902.192 9.899.29 14.978.29c5.218 0 10.376-.117 15.453-.343c-4.985 6.774-10.018 12.97-15.028 18.486Zm52.198-57.817c3.422 7.8 6.306 15.345 8.596 22.52c-7.422 1.694-15.436 3.058-23.88 4.071a382.417 382.417 0 0 0 7.859-13.026a347.403 347.403 0 0 0 7.425-13.565Zm-16.898 8.101a358.557 358.557 0 0 1-12.281 19.815a329.4 329.4 0 0 1-23.444.823c-7.967 0-15.716-.248-23.178-.732a310.202 310.202 0 0 1-12.513-19.846h.001a307.41 307.41 0 0 1-10.923-20.627a310.278 310.278 0 0 1 10.89-20.637l-.001.001a307.318 307.318 0 0 1 12.413-19.761c7.613-.576 15.42-.876 23.31-.876H128c7.926 0 15.743.303 23.354.883a329.357 329.357 0 0 1 12.335 19.695a358.489 358.489 0 0 1 11.036 20.54a329.472 329.472 0 0 1-11 20.722Zm22.56-122.124c8.572 4.944 11.906 24.881 6.52 51.026c-.344 1.668-.73 3.367-1.15 5.09c-10.622-2.452-22.155-4.275-34.23-5.408c-7.034-10.017-14.323-19.124-21.64-27.008a160.789 160.789 0 0 1 5.888-5.4c18.9-16.447 36.564-22.941 44.612-18.3ZM128 90.808c12.625 0 22.86 10.235 22.86 22.86s-10.235 22.86-22.86 22.86s-22.86-10.235-22.86-22.86s10.235-22.86 22.86-22.86Z"></path></svg>

frontend/src/config/interfaces.config.ts

@@ -1,21 +0,0 @@
-export interface FormData {
-  firstName: string;
-  lastName: string;
-  email: string;
-  phoneNumber: string;
-  tickets: number;
-  companyName: string;
-  cmpFirstName: string;
-  cpmLastName: string;
-  cpmEmail: string;
-  cpmPhoneNumber: string;
-  street: string;
-  postalCode: string;
-  paymentMethod: string;
-}
-
-export interface Message {
-  type: "primary" | "neutral" | "danger" | "success" | "warning";
-  headline: string;
-  text: string;
-}

frontend/src/index.css

@@ -1,12 +1 @@
-@import "tailwindcss";
-
-html,
-body,
-#root {
-  height: 100%;
-  margin: 0;
-}
-
-html {
-  font-size: large;
-}
+@import "tailwindcss";

frontend/src/main.tsx

@@ -1,11 +1,11 @@
 import { StrictMode } from "react";
 import { createRoot } from "react-dom/client";
-import "./utils/i18n/index.ts";
 import "./index.css";
+import "./utils/i18n";
 import App from "./App.tsx";
 
 createRoot(document.getElementById("root")!).render(
   <StrictMode>
     <App />
-  </StrictMode>,
+  </StrictMode>
 );

frontend/src/pages/MainForm.tsx

@@ -1,133 +1,65 @@
+import {
+  TextField,
+  FormControlLabel,
+  Checkbox,
+  Button,
+  Alert,
+  CircularProgress,
+  Autocomplete,
+  Chip,
+  Box,
+  Paper,
+  Typography,
+  IconButton,
+} from "@mui/material";
 import { useTranslation } from "react-i18next";
 import { useState, useEffect } from "react";
-import * as React from "react";
-import Cookies from "js-cookie";
-import {
-  Sheet,
-  Input,
-  Button,
-  Checkbox,
-  Chip,
-  IconButton,
-  Alert,
-  Typography,
-  FormControl,
-  FormLabel,
-  Autocomplete,
-  ButtonGroup,
-  Modal,
-  ModalDialog,
-  ModalClose,
-} from "@mui/joy";
 import { submitFormData } from "../utils/sender";
-import { API_BASE } from "../config/api.config";
-import type { FormData, Message } from "../config/interfaces.config";
-import PersonIcon from "@mui/icons-material/Person";
-import QrCodeIcon from "@mui/icons-material/QrCode";
+import Cookies from "js-cookie";
+import * as React from "react";
 import TranslateIcon from "@mui/icons-material/Translate";
-import qrCode from "../assets/PayPal-QR-Code.png";
+import { API_BASE } from "../config/api.config";
 
-const PAYMENT_METHODS = ["bar", "paypal", "andere"] as const;
-const PAYMENT_LABELS: Record<string, string> = {
-  bar: "Cash",
-  paypal: "PayPal",
-  andere: "Transfer",
-};
-
-const DEFAULT_FORM: FormData = {
-  firstName: "",
-  lastName: "",
-  email: "",
-  phoneNumber: "",
-  tickets: 1,
-  companyName: "",
-  cmpFirstName: "",
-  cpmLastName: "",
-  cpmEmail: "",
-  cpmPhoneNumber: "",
-  street: "",
-  postalCode: "",
-  paymentMethod: "",
-};
-
-// ─── Field component lives OUTSIDE MainForm so React doesn't treat it as a
-// new component type on every render, which would cause inputs to lose focus.
-const Field = ({
-  label,
-  name,
-  type = "text",
-  required = true,
-  formData,
-  onChange,
-}: {
-  label: string;
-  name: keyof FormData;
-  type?: string;
-  required?: boolean;
-  formData: FormData;
-  onChange: (e: React.ChangeEvent<HTMLInputElement>) => void;
-}) => (
-  <FormControl required={required}>
-    <FormLabel>{label}</FormLabel>
-    <Input
-      name={name}
-      type={type}
-      value={formData[name] as string}
-      onChange={onChange}
-      variant="soft"
-      sx={{ borderRadius: "10px" }}
-    />
-  </FormControl>
-);
+interface Message {
+  type: "error" | "info" | "success" | "warning";
+  headline: string;
+  text: string;
+}
 
 export const MainForm = () => {
   const { t, i18n } = useTranslation();
-
   const [invoice, setInvoice] = useState(false);
   const [msg, setMsg] = useState<Message | null>(null);
   const [isLoading, setIsLoading] = useState(false);
   const [nextID, setNextID] = useState<number | null>(null);
+  const [formData, setFormData] = useState({
+    firstName: "",
+    lastName: "",
+    email: "",
+    phoneNumber: "",
+    tickets: 1,
+    companyName: "",
+    cmpFirstName: "",
+    cpmLastName: "",
+    cpmEmail: "",
+    cpmPhoneNumber: "",
+    street: "",
+    postalCode: "",
+    paymentMethod: "",
+  });
   const [users, setUsers] = useState<string[]>([]);
   const [selectedUser, setSelectedUser] = useState<string | null>(null);
-  const [formData, setFormData] = useState<FormData>(DEFAULT_FORM);
-  const [showSelectUser, setShowSelectUser] = useState(false);
-  const [QRmodal, setQRmodal] = useState(false);
-
-  const handleChange = (e: React.ChangeEvent<HTMLInputElement>) => {
-    setFormData({ ...formData, [e.target.name]: e.target.value });
-  };
-
-  const confirmUser = async (username: string) => {
-    try {
-      const res = await fetch(
-        `${API_BASE}/default/confirm-user?username=${username}`,
-      );
-      const data = await res.json();
-      setNextID(data.nextID);
-    } catch (error) {
-      console.error("Error confirming user:", error);
-    }
-  };
-
-  const handleUserSelection = (username: string | null) => {
-    if (!username) return;
-    setSelectedUser(username);
-    confirmUser(username);
-    Cookies.set("selectedUser", username);
-  };
 
   const changeTranslation = () => {
     const clientLng = i18n.language;
 
     if (clientLng === "en") {
       i18n.changeLanguage("de");
-      Cookies.set("language", "de");
     } else if (clientLng === "de") {
       i18n.changeLanguage("en");
-      Cookies.set("language", "en");
     } else {
       setMsg({
-        type: "danger",
+        type: "error",
         headline: "Error",
         text: "Cannot change langugage.",
       });
@@ -135,32 +67,53 @@ export const MainForm = () => {
   };
 
   useEffect(() => {
-    if (formData.paymentMethod === "paypal") {
-      setQRmodal(true);
-    }
-  }, [formData.paymentMethod]);
-
-  useEffect(() => {
-    (async () => {
-      try {
-        const res = await fetch(`${API_BASE}/default/users`);
-        const data = await res.json();
+    // Fetch user data or any other data needed for the form
+    try {
+      const fetchUsers = async () => {
+        const response = await fetch(`${API_BASE}/default/users`);
+        const data = await response.json();
         setUsers(data.users);
-      } catch {
-        setMsg({
-          type: "danger",
-          headline: t("error"),
-          text: t("failed-to-load-users"),
-        });
-      }
-    })();
+      };
+      fetchUsers();
+      console.log(users);
+    } catch (error) {
+      setMsg({
+        type: "error",
+        headline: t("error"),
+        text: t("failed-to-load-users"),
+      });
+      console.error("Error fetching users:", error);
+    }
 
-    const cookieUser = Cookies.get("selectedUser");
-    if (cookieUser) {
+    if (Cookies.get("selectedUser")) {
+      const cookieUser = Cookies.get("selectedUser")!;
       setSelectedUser(cookieUser);
       confirmUser(cookieUser);
     }
-  }, []);
+  }, [isLoading]);
+
+  const handleChange = (e: React.ChangeEvent<HTMLInputElement>) => {
+    setFormData({ ...formData, [e.target.name]: e.target.value });
+  };
+
+  const confirmUser = async (selectedUser: string) => {
+    try {
+      const response = await fetch(
+        `${API_BASE}/default/confirm-user?username=${selectedUser}`,
+      );
+      const data = await response.json();
+      setNextID(data.nextID);
+    } catch (error) {
+      console.error("Error confirming user:", error);
+    }
+  };
+
+  const handleUserSelection = (selectedUser: string | null) => {
+    if (!selectedUser) return;
+    setSelectedUser(selectedUser);
+    confirmUser(selectedUser);
+    Cookies.set("selectedUser", selectedUser);
+  };
 
   const handleSubmit = async () => {
     setIsLoading(true);
@@ -170,7 +123,7 @@ export const MainForm = () => {
         document.location.href = `/success?id=${nextID}&tickets=${formData.tickets}`;
       } else {
         setMsg({
-          type: "danger",
+          type: "error",
           headline: t("error"),
           text: result.error || t("form-submission-failed"),
         });
@@ -180,263 +133,382 @@ export const MainForm = () => {
     }
   };
 
-  // Shorthand so we don't repeat formData + onChange on every Field usage
-  const fieldProps = { formData, onChange: handleChange };
-
   return (
-    <>
-      <Modal open={showSelectUser}>
-        <ModalDialog color="primary" layout="center" size="lg">
-          <ModalClose onClick={() => setShowSelectUser(false)} />
-          <Typography>{t("user")}</Typography>
-          {/* User selection */}
+    <Box
+      className="bg-gray-100 py-10 px-4"
+      sx={{
+        minHeight: "100vh",
+        width: "100%",
+        display: "flex",
+        alignItems: "center",
+        justifyContent: "center",
+      }}
+    >
+      <Paper
+        elevation={6}
+        className="w-full rounded-2xl"
+        sx={{
+          position: "relative",
+          backgroundColor: "#fff",
+          boxShadow: "0 25px 50px -12px rgba(0, 0, 0, 0.25)",
+          width: "100%",
+          maxWidth: {
+            xs: 360, // kompakte Handy-Ansicht
+            sm: 420, // kleine Tablets / große Phones
+            md: 480, // Desktop, bleibt angenehm schmal
+          },
+          padding: {
+            xs: "1.5rem",
+            sm: "2rem",
+          },
+        }}
+      >
+        <Box sx={{ position: "absolute", top: 12, right: 12 }}>
+          <IconButton
+            onClick={() => changeTranslation()}
+            aria-label="translate"
+          >
+            <TranslateIcon />
+          </IconButton>
+        </Box>
+        <form
+          onSubmit={(e) => {
+            e.preventDefault();
+            handleSubmit();
+          }}
+          className="flex flex-col gap-4"
+        >
+          {/* User Selection */}
           <Autocomplete
+            disablePortal
             options={users}
             value={selectedUser}
-            onChange={(_, value) => handleUserSelection(value)}
-            placeholder={t("user")}
-            variant="soft"
-            sx={{ borderRadius: "10px" }}
-            onKeyDown={(e) => {
-              if (e.key === "Enter") e.preventDefault();
+            fullWidth
+            renderInput={(params) => (
+              <TextField {...params} label={t("user")} variant="filled" />
+            )}
+            onChange={(_event, value) => handleUserSelection(value)}
+            onKeyDown={(event) => {
+              if (event.key === "Enter") {
+                event.defaultMuiPrevented = true;
+              }
             }}
           />
-        </ModalDialog>
-      </Modal>
-      <Modal open={QRmodal}>
-        <ModalDialog color="primary" layout="center" size="lg">
-          <ModalClose onClick={() => setQRmodal(false)} />
-          <Typography>{t("qr-text")}</Typography>
-          <img
-            src={qrCode}
-            alt="PayPal QR Code"
-            style={{
-              width: "100%",
-              height: "auto",
-              maxHeight: "70vh",
-              objectFit: "contain",
-            }}
-          />
-        </ModalDialog>
-      </Modal>
 
-      <div className="min-h-screen w-full flex items-center justify-center from-slate-100 to-blue-50 p-4">
-        <Sheet
-          variant="plain"
-          className="w-full"
-          sx={{
-            position: "relative",
-            maxWidth: 460,
-            borderRadius: "24px",
-            p: { xs: "1.5rem", sm: "2rem" },
-            boxShadow: "0 24px 64px -12px rgba(0,0,0,0.18)",
-            background: "#fff",
-          }}
-        >
-          <ButtonGroup
+          {/* Next ID Chip */}
+          <Chip
+            label={`#${nextID ?? "N/A"}`}
             color="primary"
-            disabled={false}
-            size="lg"
-            spacing={1}
-            variant="soft"
-          >
-            <IconButton onClick={() => setShowSelectUser(true)}>
-              <PersonIcon />
-            </IconButton>
-            <IconButton onClick={() => setQRmodal(true)}>
-              <QrCodeIcon />
-            </IconButton>
-            {/* Language toggle */}
-            <IconButton onClick={changeTranslation}>
-              <TranslateIcon />
-            </IconButton>
-          </ButtonGroup>
-
-          <form
-            onSubmit={(e) => {
-              e.preventDefault();
-              handleSubmit();
+            sx={{
+              alignSelf: "flex-start",
+              fontWeight: 500,
+              fontSize: "0.9rem",
+              mt: 0.5,
+              mb: 0.5,
+              py: 0.5,
+              px: 1.25,
+              borderRadius: "999px",
+              background: "linear-gradient(135deg, #1976d2 0%, #1565c0 100%)",
             }}
-            className="flex flex-col gap-4"
-          >
-            {/* Next ID badge */}
-            <Chip
-              size="lg"
-              variant="solid"
-              color="neutral"
-              sx={{
-                alignSelf: "flex-start",
-                borderRadius: "999px",
-                fontWeight: 600,
-                marginTop: 1,
-              }}
-            >
-              #{nextID ?? "N/A"}
-            </Chip>
+          />
 
-            {/* Name row */}
-            <div className="grid grid-cols-2 gap-3">
-              <Field label={t("first-name")} name="firstName" {...fieldProps} />
-              <Field label={t("last-name")} name="lastName" {...fieldProps} />
-            </div>
-
-            <Field
-              label={t("email")}
-              name="email"
-              type="email"
-              {...fieldProps}
+          {/* Name Fields - Two Columns */}
+          <Box className="grid grid-cols-2 gap-3">
+            <TextField
+              required
+              id="first-name"
+              label={t("first-name")}
+              variant="filled"
+              value={formData.firstName}
+              onChange={handleChange}
+              name="firstName"
+              fullWidth
             />
-            <Field
-              label={t("phone-number")}
-              name="phoneNumber"
-              type="tel"
-              {...fieldProps}
+            <TextField
+              required
+              id="last-name"
+              label={t("last-name")}
+              variant="filled"
+              value={formData.lastName}
+              onChange={handleChange}
+              name="lastName"
+              fullWidth
             />
+          </Box>
 
-            {/* Tickets + Invoice toggle */}
-            <div className="grid grid-cols-2 gap-3 items-end">
-              <FormControl required>
-                <FormLabel>{t("tickets")}</FormLabel>
-                <Input
-                  name="tickets"
-                  type="number"
-                  value={formData.tickets}
-                  onChange={handleChange}
-                  slotProps={{ input: { min: 1 } }}
-                  variant="soft"
-                  sx={{ borderRadius: "10px" }}
-                />
-              </FormControl>
-              <div className="flex items-center pb-2">
+          {/* Email */}
+          <TextField
+            required
+            id="email"
+            label={t("email")}
+            variant="filled"
+            type="email"
+            value={formData.email}
+            onChange={handleChange}
+            name="email"
+            fullWidth
+          />
+
+          {/* Phone Number */}
+          <TextField
+            required
+            id="phone-number"
+            label={t("phone-number")}
+            variant="filled"
+            type="tel"
+            value={formData.phoneNumber}
+            onChange={handleChange}
+            name="phoneNumber"
+            fullWidth
+          />
+
+          {/* Tickets and Invoice Checkbox */}
+          <Box className="grid grid-cols-2 gap-3 items-center">
+            <TextField
+              required
+              id="tickets"
+              type="number"
+              label={t("tickets")}
+              variant="filled"
+              value={formData.tickets}
+              onChange={handleChange}
+              name="tickets"
+              fullWidth
+              inputProps={{ min: 1 }}
+            />
+            <FormControlLabel
+              control={
                 <Checkbox
                   checked={invoice}
                   onChange={(e) => setInvoice(e.target.checked)}
-                  label={t("invoice")}
-                  variant="outlined"
                 />
-              </div>
-            </div>
+              }
+              label={t("invoice")}
+              className="justify-end"
+            />
+          </Box>
 
-            {/* Invoice details (conditional) */}
-            {invoice && (
-              <div className="flex flex-col gap-3 pt-4 border-t border-blue-200">
-                <Typography level="title-sm" color="primary">
-                  {t("invoice-details")}
-                </Typography>
-                <Field
-                  label={t("company-name")}
-                  name="companyName"
-                  {...fieldProps}
-                />
-                <div className="grid grid-cols-2 gap-3">
-                  <Field
-                    label={t("first-name")}
-                    name="cmpFirstName"
-                    {...fieldProps}
-                  />
-                  <Field
-                    label={t("last-name")}
-                    name="cpmLastName"
-                    {...fieldProps}
-                  />
-                </div>
-                <Field label={t("street")} name="street" {...fieldProps} />
-                <Field
-                  label={t("postal-code")}
-                  name="postalCode"
-                  {...fieldProps}
-                />
-                <Field
-                  label={t("phone-number")}
-                  name="cpmPhoneNumber"
-                  type="tel"
-                  {...fieldProps}
-                />
-                <Field
-                  label={t("email")}
-                  name="cpmEmail"
-                  type="email"
-                  {...fieldProps}
-                />
-              </div>
-            )}
-
-            {/* Payment method selection */}
-            <FormControl required>
-              <FormLabel>{t("select-payment-method")}</FormLabel>
-              <div className="flex gap-2 flex-wrap mt-1">
-                {PAYMENT_METHODS.map((method) => (
-                  <Button
-                    key={method}
-                    variant={
-                      formData.paymentMethod === method ? "solid" : "soft"
-                    }
-                    color="primary"
-                    onClick={() =>
-                      setFormData((prev) => ({
-                        ...prev,
-                        paymentMethod: method,
-                      }))
-                    }
-                    sx={{
-                      flex: 1,
-                      minWidth: "90px",
-                      borderRadius: "12px",
-                      py: 1.5,
-                      textTransform: "none",
-                      fontWeight: formData.paymentMethod === method ? 700 : 400,
-                    }}
-                  >
-                    {PAYMENT_LABELS[method]}
-                  </Button>
-                ))}
-              </div>
-              {/* Hidden required input to enforce payment selection on submit */}
-              {!formData.paymentMethod && (
-                <input
-                  tabIndex={-1}
-                  required
-                  value=""
-                  onChange={() => {}}
-                  style={{
-                    opacity: 0,
-                    width: 0,
-                    height: 0,
-                    position: "absolute",
-                  }}
-                />
-              )}
-            </FormControl>
-
-            {/* Submit button */}
-            <Button
-              type="submit"
-              loading={isLoading}
-              disabled={!formData.paymentMethod}
-              size="lg"
+          {/* Invoice Fields */}
+          {invoice && (
+            <Box
+              className="flex flex-col gap-2 pt-3 mt-2"
               sx={{
-                mt: 2,
-                borderRadius: "14px",
-                fontWeight: 700,
-                letterSpacing: "0.05em",
-                background: "linear-gradient(135deg, #2563eb, #1d4ed8)",
-                "&:hover": {
-                  background: "linear-gradient(135deg, #1d4ed8, #1e40af)",
-                },
+                borderTop: "2px solid",
+                borderColor: "primary.light",
+                borderRadius: "0",
               }}
             >
-              {t("submit")}
-            </Button>
+              <TextField
+                required
+                id="company-name"
+                label={t("company-name")}
+                variant="filled"
+                value={formData.companyName}
+                onChange={handleChange}
+                name="companyName"
+                fullWidth
+              />
 
-            {/* Alert message */}
-            {msg && (
-              <Alert color={msg.type} sx={{ borderRadius: "12px" }}>
-                <strong>{msg.headline}:</strong> {msg.text}
-              </Alert>
+              {/* Invoice Name Fields - Two Columns */}
+              <Box className="grid grid-cols-2 gap-3">
+                <TextField
+                  required
+                  id="first-name_invoice"
+                  label={t("first-name")}
+                  variant="filled"
+                  value={formData.cmpFirstName}
+                  onChange={handleChange}
+                  name="cmpFirstName"
+                  fullWidth
+                />
+                <TextField
+                  required
+                  id="last-name_invoice"
+                  label={t("last-name")}
+                  variant="filled"
+                  value={formData.cpmLastName}
+                  onChange={handleChange}
+                  name="cpmLastName"
+                  fullWidth
+                />
+              </Box>
+
+              <TextField
+                required
+                id="street"
+                label={t("street")}
+                variant="filled"
+                value={formData.street}
+                onChange={handleChange}
+                name="street"
+                fullWidth
+              />
+
+              <TextField
+                required
+                id="postal-code"
+                label={t("postal-code")}
+                variant="filled"
+                value={formData.postalCode}
+                onChange={handleChange}
+                name="postalCode"
+                fullWidth
+              />
+
+              <TextField
+                required
+                id="phone-number_invoice"
+                label={t("phone-number")}
+                variant="filled"
+                type="tel"
+                value={formData.cpmPhoneNumber}
+                onChange={handleChange}
+                name="cpmPhoneNumber"
+                fullWidth
+              />
+
+              <TextField
+                required
+                id="email_invoice"
+                label={t("email")}
+                variant="filled"
+                type="email"
+                value={formData.cpmEmail}
+                onChange={handleChange}
+                name="cpmEmail"
+                fullWidth
+              />
+            </Box>
+          )}
+          {/* Payment Methods */}
+          <Box className="flex flex-col gap-2 mt-2">
+            <Typography
+              component="label"
+              sx={{
+                fontSize: "0.875rem",
+                fontWeight: 500,
+                color: "text.secondary",
+                display: "flex",
+                alignItems: "center",
+                gap: 0.5,
+              }}
+            >
+              {t("select-payment-method")} *
+            </Typography>
+            <Box className="flex gap-2 flex-wrap">
+              <Button
+                variant={
+                  formData.paymentMethod === "bar" ? "contained" : "outlined"
+                }
+                onClick={() =>
+                  setFormData({ ...formData, paymentMethod: "bar" })
+                }
+                sx={{
+                  flex: 1,
+                  minWidth: "100px",
+                  py: 1.5,
+                  borderRadius: "12px",
+                  textTransform: "none",
+                  fontWeight: formData.paymentMethod === "bar" ? 600 : 400,
+                }}
+              >
+                {t("cash")}
+              </Button>
+              <Button
+                variant={
+                  formData.paymentMethod === "paypal" ? "contained" : "outlined"
+                }
+                onClick={() =>
+                  setFormData({ ...formData, paymentMethod: "paypal" })
+                }
+                sx={{
+                  flex: 1,
+                  minWidth: "100px",
+                  py: 1.5,
+                  borderRadius: "12px",
+                  textTransform: "none",
+                  fontWeight: formData.paymentMethod === "paypal" ? 600 : 400,
+                }}
+              >
+                {t("paypal")}
+              </Button>
+              <Button
+                variant={
+                  formData.paymentMethod === "andere" ? "contained" : "outlined"
+                }
+                onClick={() =>
+                  setFormData({ ...formData, paymentMethod: "andere" })
+                }
+                sx={{
+                  flex: 1,
+                  minWidth: "100px",
+                  py: 1.5,
+                  borderRadius: "12px",
+                  textTransform: "none",
+                  fontWeight: formData.paymentMethod === "andere" ? 600 : 400,
+                }}
+              >
+                {t("transfer")}
+              </Button>
+            </Box>
+            {!formData.paymentMethod && (
+              <input
+                tabIndex={-1}
+                autoComplete="off"
+                style={{
+                  opacity: 0,
+                  width: 0,
+                  height: 0,
+                  position: "absolute",
+                }}
+                required
+                value={formData.paymentMethod}
+                onChange={() => {}}
+              />
             )}
-          </form>
-        </Sheet>
-      </div>
-    </>
+          </Box>
+
+          {/* Submit Button */}
+          <Button
+            type="submit"
+            variant="contained"
+            disabled={isLoading || !formData.paymentMethod}
+            fullWidth
+            size="large"
+            sx={{
+              mt: 3,
+              py: 2,
+              textTransform: "uppercase",
+              fontWeight: "bold",
+              borderRadius: "12px",
+              fontSize: "1rem",
+              background: "linear-gradient(135deg, #1976d2 0%, #1565c0 100%)",
+              boxShadow: "0 4px 14px 0 rgba(25, 118, 210, 0.39)",
+              "&:hover": {
+                background: "linear-gradient(135deg, #1565c0 0%, #0d47a1 100%)",
+                boxShadow: "0 6px 20px 0 rgba(25, 118, 210, 0.5)",
+              },
+              "&:disabled": {
+                background: "#e0e0e0",
+                boxShadow: "none",
+              },
+            }}
+          >
+            {isLoading ? (
+              <CircularProgress size={24} color="inherit" />
+            ) : (
+              t("submit")
+            )}
+          </Button>
+
+          {/* Alert Message */}
+          {msg && (
+            <Alert severity={msg.type} sx={{ mt: 2 }}>
+              {msg.headline}: {msg.text}
+            </Alert>
+          )}
+        </form>
+      </Paper>
+    </Box>
   );
 };

frontend/src/pages/SuccessPage.tsx

@@ -1,20 +1,23 @@
+import { Box, Paper, Typography, Chip, Button } from "@mui/material";
 import { useEffect, useState } from "react";
 import { CircleCheck } from "lucide-react";
 import { useTranslation } from "react-i18next";
-import { Sheet, Typography, Chip, Button } from "@mui/joy";
 
 export const SuccessPage = () => {
-  const { t } = useTranslation();
   const [orderId, setOrderId] = useState<string | null>(null);
-  const [tickets, setTickets] = useState<number>(0);
+  const [tickets, setNumberOfTickets] = useState<number>(0);
   const [animate, setAnimate] = useState(false);
+  const { t } = useTranslation();
   const [seconds, setSeconds] = useState(30);
 
   useEffect(() => {
     const params = new URLSearchParams(window.location.search);
-    setOrderId(params.get("id"));
-    setTickets(parseInt(params.get("tickets") ?? "0", 10));
-    // Small delay so the CSS transition actually plays
+    const id = params.get("id");
+    const numberOfTickets = params.get("tickets");
+
+    setOrderId(id);
+    setNumberOfTickets(numberOfTickets ? parseInt(numberOfTickets, 10) : 0);
+
     setTimeout(() => setAnimate(true), 100);
   }, []);
 
@@ -23,153 +26,185 @@ export const SuccessPage = () => {
       window.location.href = "/";
       return;
     }
-    const timer = setTimeout(() => setSeconds((s) => s - 1), 1000);
+
+    const timer = setTimeout(() => setSeconds(seconds - 1), 1000);
+
     return () => clearTimeout(timer);
   }, [seconds]);
 
-  // Returns a style object that slides the element up + fades it in.
-  // Each section gets a slightly later delay for a staggered entrance.
-  const fadeUp = (delay: string): React.CSSProperties => ({
-    transition: `opacity 0.5s ease-in-out ${delay}, transform 0.5s ease-in-out ${delay}`,
-    transform: animate ? "translateY(0)" : "translateY(20px)",
-    opacity: animate ? 1 : 0,
-  });
-
   return (
-    <div className="min-h-screen w-full flex items-center justify-center bg-linear-to-br from-slate-800 to-slate-900 p-4">
-      <Sheet
-        variant="plain"
+    <Box className="min-h-screen bg-gray-800 flex items-center justify-center p-4">
+      <Paper
+        elevation={3}
+        className="w-full max-w-md p-8 rounded-lg"
         sx={{
-          position: "relative",
-          width: "100%",
-          maxWidth: 440,
-          borderRadius: "24px",
-          p: { xs: "2rem", sm: "2.5rem" },
-          boxShadow: "0 24px 64px -12px rgba(0,0,0,0.4)",
-          background: "#fff",
+          backgroundColor: "#fff",
           textAlign: "center",
+          position: "relative",
           overflow: "hidden",
         }}
       >
-        {/* Green accent bar at the top */}
-        <div
-          style={{
-            position: "absolute",
-            top: 0,
-            left: 0,
-            right: 0,
-            height: "4px",
-            background: "linear-gradient(90deg, #22c55e, #86efac)",
-            transition: "transform 0.8s ease-in-out 0.6s",
-            transform: animate ? "scaleX(1)" : "scaleX(0)",
-            transformOrigin: "left",
-          }}
-        />
-
-        {/* Animated success icon */}
-        <div
-          style={{
+        {/* Animated Success Icon */}
+        <Box
+          sx={{
             display: "flex",
             justifyContent: "center",
-            marginBottom: "1.5rem",
+            mb: 3,
             transition: "all 0.6s cubic-bezier(0.34, 1.56, 0.64, 1)",
             transform: animate ? "scale(1)" : "scale(0)",
             opacity: animate ? 1 : 0,
           }}
         >
-          <CircleCheck size={80} color="#22c55e" strokeWidth={2.5} />
-        </div>
+          <CircleCheck size={80} className="text-green-500" strokeWidth={2.5} />
+        </Box>
 
-        {/* Headline */}
-        <div style={fadeUp("0.2s")}>
-          <Typography
-            level="h3"
-            sx={{ fontWeight: 700, color: "#15803d", mb: 1 }}
-          >
-            {t("form-submitted-successfully")}
-          </Typography>
-        </div>
+        {/* Success Message */}
+        <Typography
+          variant="h4"
+          component="h1"
+          gutterBottom
+          sx={{
+            fontWeight: "bold",
+            color: "#2e7d32",
+            mb: 2,
+            transition: "all 0.5s ease-in-out 0.2s",
+            transform: animate ? "translateY(0)" : "translateY(20px)",
+            opacity: animate ? 1 : 0,
+          }}
+        >
+          {t("form-submitted-successfully")}
+        </Typography>
 
-        {/* Subtitle */}
-        <div style={fadeUp("0.3s")}>
-          <Typography level="body-md" sx={{ color: "#6b7280", mb: 3 }}>
-            {t("ticket-payment", { count: tickets })}
-          </Typography>
-        </div>
+        <Typography
+          variant="body1"
+          sx={{
+            color: "#666",
+            mb: 3,
+            transition: "all 0.5s ease-in-out 0.3s",
+            transform: animate ? "translateY(0)" : "translateY(20px)",
+            opacity: animate ? 1 : 0,
+          }}
+        >
+          {t("ticket-payment", { count: tickets })}
+        </Typography>
 
-        {/* Tickets chip */}
+        {/* Tickets Display */}
         {tickets > 0 && (
-          <div style={fadeUp("0.35s")} className="flex justify-center mb-3">
+          <Box
+            sx={{
+              mb: 2,
+              transition: "all 0.5s ease-in-out 0.35s",
+              transform: animate ? "translateY(0)" : "translateY(20px)",
+              opacity: animate ? 1 : 0,
+            }}
+          >
             <Chip
-              size="lg"
-              variant="soft"
-              color="success"
-              sx={{ fontWeight: 700, fontSize: "1rem", px: 2, py: 1 }}
-            >
-              {tickets} {tickets === 1 ? t("ticket") : t("tickets")}
-            </Chip>
-          </div>
+              label={`${tickets} ${tickets === 1 ? t("ticket") : t("tickets")}`}
+              color="secondary"
+              sx={{
+                fontWeight: "bold",
+                fontSize: "1rem",
+                py: 2.5,
+                px: 2,
+              }}
+            />
+          </Box>
         )}
 
-        {/* Order ID chip */}
+        {/* Order ID Display */}
         {orderId && (
-          <div
-            style={fadeUp("0.4s")}
-            className="flex flex-col items-center gap-1 mb-4"
+          <Box
+            sx={{
+              mb: 3,
+              transition: "all 0.5s ease-in-out 0.4s",
+              transform: animate ? "translateY(0)" : "translateY(20px)",
+              opacity: animate ? 1 : 0,
+            }}
           >
             <Typography
-              level="body-xs"
+              variant="body2"
               sx={{
-                color: "#9ca3af",
-                textTransform: "uppercase",
-                letterSpacing: "0.08em",
+                color: "#888",
+                mb: 1,
+                fontSize: "0.875rem",
               }}
             >
               {t("entry-id")}
             </Typography>
             <Chip
-              size="lg"
-              variant="solid"
+              label={`#${orderId}`}
               color="primary"
-              sx={{ fontWeight: 700, fontSize: "1.25rem", px: 3, py: 1.5 }}
-            >
-              #{orderId}
-            </Chip>
-          </div>
+              sx={{
+                fontWeight: "bold",
+                fontSize: "1.25rem",
+                py: 3,
+                px: 2,
+              }}
+            />
+          </Box>
         )}
 
-        {/* Return button with countdown */}
-        <div style={fadeUp("0.45s")} className="mb-4">
+        {/* Return button */}
+        <Box
+          sx={{
+            mb: 3,
+            transition: "all 0.5s ease-in-out 0.4s",
+            transform: animate ? "translateY(0)" : "translateY(20px)",
+            opacity: animate ? 1 : 0,
+          }}
+        >
           <Button
-            component="a"
             href="/"
-            size="lg"
+            variant="contained"
             color="primary"
-            variant="solid"
-            fullWidth
             sx={{
-              borderRadius: "12px",
-              fontWeight: 700,
-              background: "linear-gradient(135deg, #2563eb, #1d4ed8)",
-              "&:hover": {
-                background: "linear-gradient(135deg, #1d4ed8, #1e40af)",
-              },
+              fontWeight: "bold",
+              fontSize: "1.25rem",
+              py: 3,
+              px: 2,
             }}
           >
-            {seconds}s &mdash; {t("return-to-homepage")}
+            {seconds + " " + t("return-to-homepage")}
           </Button>
-        </div>
+        </Box>
 
-        {/* Thank-you note */}
-        <div style={fadeUp("0.5s")} className="pt-4 border-t border-slate-100">
+        {/* Additional Info */}
+        <Box
+          sx={{
+            mt: 4,
+            pt: 3,
+            borderTop: "1px solid #e0e0e0",
+            transition: "all 0.5s ease-in-out 0.5s",
+            transform: animate ? "translateY(0)" : "translateY(20px)",
+            opacity: animate ? 1 : 0,
+          }}
+        >
           <Typography
-            level="body-sm"
-            sx={{ color: "#9ca3af", lineHeight: 1.6 }}
+            variant="body2"
+            sx={{
+              color: "#666",
+              lineHeight: 1.6,
+            }}
           >
             {t("thank-you")}
           </Typography>
-        </div>
-      </Sheet>
-    </div>
+        </Box>
+
+        {/* Decorative Elements */}
+        <Box
+          sx={{
+            position: "absolute",
+            top: 0,
+            left: 0,
+            right: 0,
+            height: "4px",
+            background: "linear-gradient(90deg, #4caf50 0%, #81c784 100%)",
+            transition: "all 0.8s ease-in-out 0.6s",
+            transform: animate ? "scaleX(1)" : "scaleX(0)",
+            transformOrigin: "left",
+          }}
+        />
+      </Paper>
+    </Box>
   );
 };

frontend/src/utils/i18n/locales/de/de.json

@@ -4,7 +4,6 @@
     "phone-number": "Telefonnummer",
     "tickets": "Lose",
     "invoice": "Rechnung",
-    "invoice-details": "Rechnungsdetails",
     "company-name": "Firmenname",
     "street": "Straße + Haus Nr.",
     "postal-code": "Plz + Stadt",
@@ -25,6 +24,5 @@
     "entry-id": "Eintrags-ID",
     "thank-you": "Vielen Dank für Ihre Unterstützung der Claudius Akademie! Wir wünschen Ihnen viel Glück mit dem Los.",
     "select-payment-method": "Zahlungsmethode auswählen",
-    "return-to-homepage": "Zurück",
-    "qr-text": "PayPal QR-Code der Claudius Akademie"
+    "return-to-homepage": "Zurück"
 }

frontend/src/utils/i18n/locales/en/en.json

@@ -3,7 +3,6 @@
     "last-name": "Last Name",
     "phone-number": "Phone Number",
     "invoice": "Invoice",
-    "invoice-details": "Invoice Details",
     "company-name": "Company Name",
     "street": "Street + House No.",
     "postal-code": "Postal Code + City",
@@ -26,6 +25,5 @@
     "entry-id": "Entry ID",
     "thank-you": "Thank you for supporting the Claudius Akademie! We wish you the best of luck with your ticket.",
     "select-payment-method": "Select Payment Method",
-    "return-to-homepage": "Return",
-    "qr-text": "PayPal QR-Code from the Claudius Akademie"
+    "return-to-homepage": "Return"
 }

frontend/src/utils/sender.ts

@@ -1,14 +1,23 @@
 import { API_BASE } from "../config/api.config";
-import type { FormData } from "../config/interfaces.config";
 
-export const submitFormData = async (
-  data: FormData,
-  username: string | null,
-) => {
-  if (username == null) {
-    return { success: false, errorCode: "x001" };
-  }
+interface FormData {
+  firstName: string;
+  lastName: string;
+  email: string;
+  phoneNumber: string;
+  tickets: number;
+  companyName: string;
+  cmpFirstName: string;
+  cpmLastName: string;
+  cpmEmail: string;
+  cpmPhoneNumber: string;
+  street: string;
+  postalCode: string;
+  paymentMethod: string;
+}
 
+export const submitFormData = async (data: FormData, username: string) => {
+  console.log(data);
   try {
     const response = await fetch(
       `${API_BASE}/default/new-entry?username=${username}`,

frontend/tailwind.config.js

@@ -0,0 +1,11 @@
+module.exports = {
+  content: [
+    "./index.html",
+    "./src/**/*.{js,jsx,ts,tsx}",
+    // add other paths if needed
+  ],
+  theme: {
+    extend: {},
+  },
+  plugins: [],
+};

frontend/tsconfig.app.json

@@ -1,9 +1,10 @@
 {
   "compilerOptions": {
     "tsBuildInfoFile": "./node_modules/.tmp/tsconfig.app.tsbuildinfo",
-    "target": "es2023",
-    "lib": ["ES2023", "DOM"],
-    "module": "esnext",
+    "target": "ES2022",
+    "useDefineForClassFields": true,
+    "lib": ["ES2022", "DOM", "DOM.Iterable"],
+    "module": "ESNext",
     "types": ["vite/client"],
     "skipLibCheck": true,
 
@@ -16,10 +17,12 @@
     "jsx": "react-jsx",
 
     /* Linting */
+    "strict": true,
     "noUnusedLocals": true,
     "noUnusedParameters": true,
     "erasableSyntaxOnly": true,
-    "noFallthroughCasesInSwitch": true
+    "noFallthroughCasesInSwitch": true,
+    "noUncheckedSideEffectImports": true
   },
   "include": ["src"]
 }

frontend/tsconfig.node.json

@@ -1,9 +1,9 @@
 {
   "compilerOptions": {
     "tsBuildInfoFile": "./node_modules/.tmp/tsconfig.node.tsbuildinfo",
-    "target": "es2023",
+    "target": "ES2023",
     "lib": ["ES2023"],
-    "module": "esnext",
+    "module": "ESNext",
     "types": ["node"],
     "skipLibCheck": true,
 
@@ -15,10 +15,12 @@
     "noEmit": true,
 
     /* Linting */
+    "strict": true,
     "noUnusedLocals": true,
     "noUnusedParameters": true,
     "erasableSyntaxOnly": true,
-    "noFallthroughCasesInSwitch": true
+    "noFallthroughCasesInSwitch": true,
+    "noUncheckedSideEffectImports": true
   },
   "include": ["vite.config.ts"]
 }

frontend/vite.config.ts

@@ -1,6 +1,7 @@
-import { defineConfig } from "vite";
-import tailwindcss from "@tailwindcss/vite";
+import { defineConfig } from 'vite'
+import react from '@vitejs/plugin-react'
 
+// https://vite.dev/config/
 export default defineConfig({
-  plugins: [tailwindcss()],
-});
+  plugins: [react()],
+})