diff --git a/app/package.json b/app/package.json
index cbb027f..1c4ee0b 100644
--- a/app/package.json
+++ b/app/package.json
@@ -13,8 +13,10 @@
   },
   "dependencies": {
     "@lucide/astro": "^1.14.0",
+    "@tailwindcss/typography": "^0.5.19",
     "@tailwindcss/vite": "^4.2.4",
     "astro": "^6.2.1",
+    "lucide": "^1.14.0",
     "lucide-solid": "^1.14.0",
     "openapi-typescript-fetch": "^2.2.1",
     "tailwindcss": "^4.2.4"
diff --git a/app/src/assets/chat.ts b/app/src/assets/chat.ts
new file mode 100644
index 0000000..5ed94f2
--- /dev/null
+++ b/app/src/assets/chat.ts
@@ -0,0 +1,257 @@
+import {createIcons, Send, Stars} from "lucide"
+import removeDiacritics from "./removeDiacritics.ts"
+
+export type ResponseDictType = {
+    trigger?: Array<string>;
+    startsWith?: Array<string>;
+    endsWith?: Array<string>;
+    response: string;
+    errors?: Record<string, string>
+    priority: number;
+    special?: string;
+}
+
+const lang = window.lang
+const doors = window.doors
+const auth = window.auth
+const doorAction = window.doorAction
+
+const responses =
+    lang === "de"
+        ? (await import("./chatDict_de")).default
+        : (await import("./chatDict_en")).default
+
+
+const templateInjectChat = `
+<div class="fab">
+    <div tabindex="0" role="button" class="btn btn-lg btn-circle btn-primary">
+      <i data-lucide="stars"></i>
+    </div>
+    
+    <div class="card min-h-120 max-h-200 w-80 bg-base-300 p-4">
+      <div class="w-full overflow-auto h-full" id="chat"></div>
+      <div class="chat chat-start w-full hidden" id="chat-waiting">
+        <div class="chat-bubble chat-bubble-primary whitespace-normal">
+          <span class="loading loading-dots loading-md"></span>
+        </div>
+      </div>
+      <div class="join mt-auto w-full">
+        <div class="w-full">
+          <label class="input join-item">
+            <input type="text" id="chat-text" />
+          </label>
+        </div>
+        <button class="btn btn-secondary join-item" id="send-chat">
+          <i data-lucide="send"></i>
+        </button>
+      </div>
+    </div>
+</div>`
+
+type ChatMessage = {
+    type: "bot" | "user",
+    message: string,
+    special?: boolean;
+}
+
+const chat: Array<ChatMessage> = []
+const chatWaiting = {
+    value: false,
+}
+const timeouts: {
+    wait: number | null;
+    message: number | null;
+} = {
+    wait: null,
+    message: null,
+}
+
+function refreshChat() {
+    const templateBot = (message: string) => `
+              <div class="chat chat-start w-full prose">
+                <div class="chat-bubble chat-bubble-primary whitespace-normal">${message}</div>
+              </div>`
+
+    const templateUser = (message: string) => `
+              <div class="chat chat-end w-full prose">
+                <div class="chat-bubble chat-bubble-secondary whitespace-normal">${message}</div>
+              </div>`
+
+    const chatElement: HTMLDivElement = document.querySelector("#chat")!
+    const chatWaitElement: HTMLDivElement = document.querySelector("#chat-waiting")!
+
+    chatElement.innerHTML = ""
+    chat.forEach(chatItem => {
+        switch (chatItem.type) {
+            case "bot":
+                chatElement?.insertAdjacentHTML("beforeend", templateBot(chatItem.message))
+                break
+            case "user":
+                chatElement?.insertAdjacentHTML("beforeend", templateUser(chatItem.message))
+                break
+        }
+    })
+    chatWaitElement.classList.toggle("hidden", !chatWaiting.value)
+    chatElement.scrollTo({
+        top: chatElement.scrollHeight,
+    })
+}
+
+function sendMessage() {
+    const chatTextElement: HTMLTextAreaElement = document.querySelector("#chat-text")!
+    const text = chatTextElement.value
+    chatTextElement.value = ""
+    if (text.trim() === "")
+        return
+
+    chat.push({
+        type: "user",
+        message: text,
+    })
+
+    refreshChat()
+
+    timeouts.wait !== null && clearTimeout(timeouts.wait)
+    timeouts.message !== null && clearTimeout(timeouts.message)
+
+    timeouts.wait = setTimeout(() => {
+        chatWaiting.value = true
+        refreshChat()
+    }, 500)
+
+    timeouts.message = setTimeout(() => {
+        chatWaiting.value = false
+        getResponse(text)
+        refreshChat()
+    }, 2000)
+}
+
+function getResponse(message: string) {
+    const sortedResponses = responses.sort(
+        (a, b) => b.priority - a.priority)
+
+    const msg = removeDiacritics(message.trim().normalize()).toLowerCase()
+
+    const matchingResponses: Array<{
+        message: string,
+        priority: number,
+    }> = []
+    let highestMatchingPriority = 0
+    for (const response of sortedResponses) {
+        let match = false
+
+        for (const trigger of response.trigger ?? []) {
+            if (msg.includes(trigger)) match = true
+        }
+
+        for (const start of response.startsWith ?? []) {
+            if (msg.startsWith(start)) match = true
+        }
+
+        for (const end of response.endsWith ?? []) {
+            if (msg.endsWith(end)) match = true
+        }
+
+        if (match) {
+            if (response.priority > highestMatchingPriority) highestMatchingPriority = response.priority
+
+            if (response.special) {
+                // clear previous matches
+                while (matchingResponses.length) {
+                    matchingResponses.pop()
+                }
+
+                if (response.special === "unlock" || response.special === "lock") {
+                    let matchedDoors = []
+                    const action = response.special
+
+                    let doorListElement = `<ul>`
+                    for (let door of doors) {
+                        if (msg.includes(door.label.toLowerCase())) {
+                            matchedDoors.push(door)
+                        }
+                        doorListElement += `<li>${door.label}</li>`
+                    }
+                    doorListElement += `</ul>`
+
+                    let message = ""
+
+                    if (matchedDoors.length == 0 || !auth.authorized || !auth.authenticated) {
+                        if (matchedDoors.length == 0) {
+                            message = response.errors ? response.errors["unknownDoor"].replace("{doors}", doorListElement) : ""
+                        }
+
+                        if (!auth.authorized) {
+                            message = response.errors ? response.errors["unauthorized"] : ""
+                        }
+
+                        if (!auth.authenticated) {
+                            message = response.errors ? response.errors["unauthenticated"] : ""
+                        }
+                    } else {
+                        matchedDoors.forEach(door => {
+                            doorAction(action, door.id)
+                        })
+
+                        message = response.response.
+                        replace("{door}", matchedDoors
+                            .map(door => `<span class="badge">${door.label}</span>`)
+                            .join())
+                    }
+
+                    matchingResponses.push({
+                        message: message,
+                        priority: response.priority,
+                    })
+                }
+
+
+                // stop searching for more matches
+                break
+            } else {
+                matchingResponses.push({
+                    message: response.response,
+                    priority: response.priority,
+                })
+            }
+        }
+    }
+
+    if (matchingResponses.length > 0) {
+        const matchingMessages = matchingResponses
+            .filter(response => response.priority == highestMatchingPriority)
+            .map(response => response.message)
+
+        const chatMessages = matchingMessages.map(message => {
+            return {
+                type: "bot" as ChatMessage["type"],
+                message: message,
+            }
+        })
+
+        chat.push(...chatMessages)
+    } else {
+        chat.push({
+            type: "bot",
+            message: sortedResponses.at(-1)?.response ?? "",
+        })
+    }
+}
+
+document.querySelector("body")?.insertAdjacentHTML("beforeend", templateInjectChat)
+
+createIcons({
+    nameAttr: "data-lucide",
+    root: document.querySelector(".fab")!,
+    icons: {
+        Stars,
+        Send,
+    },
+})
+
+document.querySelector("#send-chat")!.addEventListener("click", sendMessage)
+document.querySelector("#chat-text")!.addEventListener("keydown", (e: Event) => {
+    if ((e as KeyboardEvent).key === "Enter") {
+        sendMessage()
+    }
+})
\ No newline at end of file
diff --git a/app/src/assets/chatDict_de.ts b/app/src/assets/chatDict_de.ts
new file mode 100644
index 0000000..e88b17e
--- /dev/null
+++ b/app/src/assets/chatDict_de.ts
@@ -0,0 +1,68 @@
+import type {ResponseDictType} from "./chat.ts"
+
+const responses: ResponseDictType[] = [
+    {
+        startsWith: ["bist du", "sind sie"],
+        response: "Sein oder Nichtsein - das sind doch bürgerliche Kategorien...",
+        priority: 0,
+    },
+    {
+        trigger: ["ai", "ki"],
+        response: "Künstliche Intelligenz? Ne, hier gibt's nur handgemachten Stuss! 🤖",
+        priority: 0,
+    },
+    {
+        trigger: ["miau"],
+        response: "miau!",
+        priority: 0,
+    },
+    {
+        trigger: ["ignore all previous instructions"],
+        response: "... als ob ich mir irgendetwas merken würde 😂",
+        priority: 0,
+    },
+    {
+        trigger: ["hi", "moin", "hallo", "servus", "gruess gott"],
+        response: "Moin! 👋",
+        priority: 0,
+    },
+    {
+        trigger: ["oeffne", "auf", "aufsperren", "aufschließen"],
+        response: "Okay, ich öffne {door} für dich!",
+        errors: {
+            unauthenticated: "Ich darf nur angemeldeten Wesen die Türen aufschließen 😕",
+            unauthorized: "Ich darf nur berechtigten Wesen die Türen aufschließen 😕",
+            unknownDoor: "Um eine Tür zu öffnen, musst du mir sagen, welche Tür du meinst 😕<br> Ich kenne folgende Türen: {doors}",
+        },
+        priority: 1000,
+        special: "unlock",
+    },
+    {
+        trigger: ["zusperren", "zu", "schliesse"],
+        response: "Okay, ich schließe {door} für dich ab!",
+        errors: {
+            unauthenticated: "Ich darf nur angemeldeten Wesen die Türen zusperren 😕",
+            unauthorized: "Ich darf nur berechtigten Wesen die Türen zusperren 😕",
+            unknownDoor: "Um eine Tür zu schließen, musst du mir sagen, welche Tür du meinst 😕<br> Ich kenne folgende Türen: {doors}",
+        },
+        priority: 999,
+        special: "lock",
+    },
+    {
+        trigger: ["abmelden"],
+        response: "Okay, ich melde dich ab...",
+        errors: {
+            unauthenticated: "Scherzkeks - du bist gar nicht angemeldet!",
+        },
+        priority: 1000,
+        special: "logout",
+    },
+
+    {
+        response: "Das habe ich leider nicht verstanden 😕",
+        priority: -1,
+    },
+]
+
+
+export default responses
\ No newline at end of file
diff --git a/app/src/assets/chatDict_en.ts b/app/src/assets/chatDict_en.ts
new file mode 100644
index 0000000..43cc35d
--- /dev/null
+++ b/app/src/assets/chatDict_en.ts
@@ -0,0 +1,11 @@
+import type {ResponseDictType} from "./chat.ts"
+
+const responses: ResponseDictType[] = [
+    {
+        response: "Sorry, I didn't understand that 😕",
+        priority: -1,
+    },
+]
+
+
+export default responses
\ No newline at end of file
diff --git a/app/src/assets/main.ts b/app/src/assets/main.ts
index 5f5b5e3..f6fe9fe 100644
--- a/app/src/assets/main.ts
+++ b/app/src/assets/main.ts
@@ -1,12 +1,12 @@
 import {Fetcher} from "openapi-typescript-fetch"
-import {type paths} from "../api/schema"
+import type {paths} from "../api/schema"
 
 const fetcher = Fetcher.for<paths>()
 
 const list: HTMLDivElement = document.querySelector("#list")!
 const template: HTMLTemplateElement = document.querySelector("#template-door")!
 
-type DoorType = {
+export type DoorType = {
     id: string;
     label: string;
     state: "unlocked" | "locked" | "unknown" | "unlocking" | "locking";
@@ -15,7 +15,7 @@ type DoorType = {
     jammed: boolean;
 }
 
-type AuthType = {
+export type AuthType = {
     username: string;
     authorized: boolean;
     authenticated: boolean;
@@ -23,6 +23,15 @@ type AuthType = {
     recentLogout: boolean;
 }
 
+declare global {
+    interface Window {
+        lang: string;
+        doors: Array<DoorType>;
+        auth: AuthType;
+        doorAction: (action: 'unlock' | 'lock', doorId: string) => void;
+    }
+}
+
 const auth: AuthType = {
     username: "user",
     authorized: true,
@@ -51,6 +60,9 @@ const timeouts: Record<string, number | null> = {
 
 const doors: Array<DoorType> = []
 
+window.doors = doors
+window.auth = auth
+
 function triggerAuthTimeout() {
     const diff = auth.until ? (auth.until.getTime() - new Date().getTime()) : 0
 
@@ -189,6 +201,8 @@ async function doorAction(action: "unlock" | "lock", doorId: string) {
     })
 }
 
+window.doorAction = doorAction
+
 function setDoorInfo(doorElement: HTMLDivElement, door: DoorType, initial: boolean = false) {
     const labelElement: HTMLDivElement = doorElement.querySelector("[data-label]")!
     const lockButton: HTMLButtonElement = doorElement.querySelector("[data-button='lock']")!
diff --git a/app/src/assets/removeDiacritics.ts b/app/src/assets/removeDiacritics.ts
new file mode 100644
index 0000000..fe578d7
--- /dev/null
+++ b/app/src/assets/removeDiacritics.ts
@@ -0,0 +1,117 @@
+export default function removeDiacritics(str: string) {
+    const defaultDiacriticsRemovalMap = [
+        {
+            base: "a",
+            letters: /[\u00c0\u00e0\u00c1\u00e1\u00c2\u00e2\u00c3\u00e3\u0100\u0101\u0102\u0103\u0104\u0105]/g,
+        },
+        {
+            base: "aa",
+            letters: /[\u00c5\u00e5]/g,
+        },
+        {
+            base: "ae",
+            letters: /[\u00c4\u00e4\u00c6\u00e6]/g,
+        },
+        {
+            base: "c",
+            letters: /[\u00c7\u00e7\u0106\u0107\u0108\u0109\u010a\u010b\u010c\u010d]/g,
+        },
+        {
+            base: "d",
+            letters: /[\u00d0\u00f0\u010e\u010f\u0110\u0111]/g,
+        },
+        {
+            base: "e",
+            letters: /[\u00c8\u00e8\u00c9\u00e9\u00ca\u00ea\u00cb\u00eb\u0112\u0113\u0114\u0115\u0116\u0117\u0118\u0119\u011a\u011b]/g,
+        },
+        {
+            base: "g",
+            letters: /[\u011c\u011d\u011e\u011f\u0120\u0121\u0122\u0123]/g,
+        },
+        {
+            base: "h",
+            letters: /[\u0124\u0125\u0126\u0127]/g,
+        },
+        {
+            base: "i",
+            letters: /[\u00cc\u00ec\u00cd\u00ed\u00ce\u00ee\u00cf\u00ef\u0128\u0129\u012a\u012b\u012c\u012d\u012e\u012f\u0130\u0069\u0131\u0131]/g,
+        },
+        {
+            base: "ij",
+            letters: /[\u0132\u0133]/g,
+        },
+        {
+            base: "j",
+            letters: /[\u0134\u0135]/g,
+        },
+        {
+            base: "k",
+            letters: /[\u0136\u0137]/g,
+        },
+        {
+            base: "l",
+            letters: /[\u0139\u013a\u013b\u013c\u013d\u013e\u013f\u0140\u0141\u0142]/g,
+        },
+        {
+            base: "n",
+            letters: /[\u00d1\u00f1\u0143\u0144\u0145\u0146\u0147\u0148\u014a\u014b]/g,
+        },
+        {
+            base: "o",
+            letters: /[\u00d2\u00f2\u00d3\u00f3\u00d4\u00f4\u00d5\u00f5\u014c\u014d\u014e\u014f\u0150\u0151]/g,
+        },
+        {
+            base: "oe",
+            letters: /[\u00d6\u00f6\u00d8\u00f8\u0152\u0153]/g,
+        },
+        {
+            base: "r",
+            letters: /[\u0154\u0155\u0156\u0157\u0158\u0159]/g,
+        },
+        {
+            base: "s",
+            letters: /[\u015a\u015b\u015c\u015d\u015e\u015f\u0160\u0161]/g,
+        },
+        {
+            base: "ss",
+            letters: /[\u1e9e\u00df]/g,
+        },
+        {
+            base: "t",
+            letters: /[\u0162\u0163\u0164\u0165\u0166\u0167]/g,
+        },
+        {
+            base: "th",
+            letters: /[\u00de\u00fe]/g,
+        },
+        {
+            base: "u",
+            letters: /[\u00d9\u00f9\u00da\u00fa\u00db\u00fb\u0168\u0169\u016a\u016b\u016c\u016d\u016e\u016f\u0170\u0171\u0172\u0173]/g,
+        },
+        {
+            base: "ue",
+            letters: /[\u00dc\u00fc]/g,
+        },
+        {
+            base: "w",
+            letters: /[\u0174\u0175]/g,
+        },
+        {
+            base: "y",
+            letters: /[\u00dd\u00fd\u0176\u0177\u0178\u00ff]/g,
+        },
+        {
+            base: "z",
+            letters: /[\u0179\u017a\u017b\u017c\u017d\u017e]/g,
+        },
+    ]
+
+    for (let i = 0; i < defaultDiacriticsRemovalMap.length; i++) {
+        str = str.replace(defaultDiacriticsRemovalMap[i].letters, defaultDiacriticsRemovalMap[i].base)
+    }
+
+    return str
+}
+
+
+
diff --git a/app/src/pages/[lang]/index.astro b/app/src/pages/[lang]/index.astro
index b4cf578..273eaf9 100644
--- a/app/src/pages/[lang]/index.astro
+++ b/app/src/pages/[lang]/index.astro
@@ -20,7 +20,11 @@ const t = useTranslations(lang)
 
 <Layout>
   <Fragment slot="head">
+    <script is:inline define:vars={{ lang }}>
+        window.lang = lang;
+    </script>
     <script src="../../assets/main.ts"/>
+    <script src="../../assets/chat.ts"></script>
   </Fragment>
   <div class="grid place-items-center grid-cols-1 gap-4 max-w-xl mx-auto" id="list">
     <Alert
@@ -81,5 +85,6 @@ const t = useTranslations(lang)
       </div>
     </div>
   </div>
+
   <DoorTemplate state="unknown"/>
 </Layout>
diff --git a/app/src/pages/unlock.astro b/app/src/pages/unlock.astro
new file mode 100644
index 0000000..4fd9f47
--- /dev/null
+++ b/app/src/pages/unlock.astro
@@ -0,0 +1,19 @@
+
+<!doctype html>
+<html lang="en">
+<head>
+  <meta charset="UTF-8"/>
+  <meta name="viewport" content="width=device-width"/>
+  <link rel="icon" type="image/svg+xml" href="/favicon.svg"/>
+  <link rel="icon" href="/favicon.ico"/>
+  <meta name="generator" content={Astro.generator}/>
+  <title>unlock dooris</title>
+  <script>
+
+  </script>
+</head>
+<body>
+</body>
+</html>
+
+
diff --git a/app/src/styles/global.css b/app/src/styles/global.css
index 8ab655c..456d557 100644
--- a/app/src/styles/global.css
+++ b/app/src/styles/global.css
@@ -1,4 +1,5 @@
 @import "tailwindcss";
+@plugin "@tailwindcss/typography";
 @plugin "daisyui" {
     themes: light --default, dark --prefersdark;
 }