diff --git a/package-lock.json b/package-lock.json
index d6dd770..b8139de 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -8,7 +8,10 @@
       "name": "ba-tts-dialect-annotation-plattform",
       "version": "0.1.0",
       "dependencies": {
-        "next": "16.1.6"
+        "@tailwindcss/postcss": "^4.2.1",
+        "next": "16.1.6",
+        "postcss": "^8.5.6",
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         "@types/node": "^20",
@@ -16,6 +19,18 @@
         "typescript": "^5"
       }
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+    "node_modules/@alloc/quick-lru": {
+      "version": "5.2.0",
+      "resolved": "https://registry.npmjs.org/@alloc/quick-lru/-/quick-lru-5.2.0.tgz",
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+      "license": "MIT",
+      "engines": {
+        "node": ">=10"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/sindresorhus"
+      }
+    },
     "node_modules/@emnapi/runtime": {
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       "resolved": "https://registry.npmjs.org/@emnapi/runtime/-/runtime-1.8.1.tgz",
@@ -492,6 +507,51 @@
         "url": "https://opencollective.com/libvips"
       }
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+      "resolved": "https://registry.npmjs.org/@jridgewell/gen-mapping/-/gen-mapping-0.3.13.tgz",
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+      "resolved": "https://registry.npmjs.org/@jridgewell/sourcemap-codec/-/sourcemap-codec-1.5.5.tgz",
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+      "license": "MIT"
+    },
+    "node_modules/@jridgewell/trace-mapping": {
+      "version": "0.3.31",
+      "resolved": "https://registry.npmjs.org/@jridgewell/trace-mapping/-/trace-mapping-0.3.31.tgz",
+      "integrity": "sha512-zzNR+SdQSDJzc8joaeP8QQoCQr8NuYx2dIIytl1QeBEZHJ9uW6hebsrYgbz8hJwUQao3TWCMtmfV8Nu1twOLAw==",
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@@ -635,6 +695,262 @@
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+        "enhanced-resolve": "^5.19.0",
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       "license": "Apache-2.0",
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+        "tapable": "^2.3.0"
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+      "cpu": [
+        "x64"
+      ],
+      "license": "MPL-2.0",
+      "optional": true,
+      "os": [
+        "freebsd"
+      ],
+      "engines": {
+        "node": ">= 12.0.0"
+      },
+      "funding": {
+        "type": "opencollective",
+        "url": "https://opencollective.com/parcel"
+      }
+    },
+    "node_modules/lightningcss-linux-arm-gnueabihf": {
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+      "cpu": [
+        "arm"
+      ],
+      "license": "MPL-2.0",
+      "optional": true,
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+      ],
+      "engines": {
+        "node": ">= 12.0.0"
+      },
+      "funding": {
+        "type": "opencollective",
+        "url": "https://opencollective.com/parcel"
+      }
+    },
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+      "cpu": [
+        "arm64"
+      ],
+      "license": "MPL-2.0",
+      "optional": true,
+      "os": [
+        "linux"
+      ],
+      "engines": {
+        "node": ">= 12.0.0"
+      },
+      "funding": {
+        "type": "opencollective",
+        "url": "https://opencollective.com/parcel"
+      }
+    },
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+        "arm64"
+      ],
+      "license": "MPL-2.0",
+      "optional": true,
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+        "linux"
+      ],
+      "engines": {
+        "node": ">= 12.0.0"
+      },
+      "funding": {
+        "type": "opencollective",
+        "url": "https://opencollective.com/parcel"
+      }
+    },
+    "node_modules/lightningcss-linux-x64-gnu": {
+      "version": "1.31.1",
+      "resolved": "https://registry.npmjs.org/lightningcss-linux-x64-gnu/-/lightningcss-linux-x64-gnu-1.31.1.tgz",
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+      "cpu": [
+        "x64"
+      ],
+      "license": "MPL-2.0",
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+        "node": ">= 12.0.0"
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+      "funding": {
+        "type": "opencollective",
+        "url": "https://opencollective.com/parcel"
+      }
+    },
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+      "version": "1.31.1",
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+      "cpu": [
+        "x64"
+      ],
+      "license": "MPL-2.0",
+      "optional": true,
+      "os": [
+        "linux"
+      ],
+      "engines": {
+        "node": ">= 12.0.0"
+      },
+      "funding": {
+        "type": "opencollective",
+        "url": "https://opencollective.com/parcel"
+      }
+    },
+    "node_modules/lightningcss-win32-arm64-msvc": {
+      "version": "1.31.1",
+      "resolved": "https://registry.npmjs.org/lightningcss-win32-arm64-msvc/-/lightningcss-win32-arm64-msvc-1.31.1.tgz",
+      "integrity": "sha512-aJReEbSEQzx1uBlQizAOBSjcmr9dCdL3XuC/6HLXAxmtErsj2ICo5yYggg1qOODQMtnjNQv2UHb9NpOuFtYe4w==",
+      "cpu": [
+        "arm64"
+      ],
+      "license": "MPL-2.0",
+      "optional": true,
+      "os": [
+        "win32"
+      ],
+      "engines": {
+        "node": ">= 12.0.0"
+      },
+      "funding": {
+        "type": "opencollective",
+        "url": "https://opencollective.com/parcel"
+      }
+    },
+    "node_modules/lightningcss-win32-x64-msvc": {
+      "version": "1.31.1",
+      "resolved": "https://registry.npmjs.org/lightningcss-win32-x64-msvc/-/lightningcss-win32-x64-msvc-1.31.1.tgz",
+      "integrity": "sha512-I9aiFrbd7oYHwlnQDqr1Roz+fTz61oDDJX7n9tYF9FJymH1cIN1DtKw3iYt6b8WZgEjoNwVSncwF4wx/ZedMhw==",
+      "cpu": [
+        "x64"
+      ],
+      "license": "MPL-2.0",
+      "optional": true,
+      "os": [
+        "win32"
+      ],
+      "engines": {
+        "node": ">= 12.0.0"
+      },
+      "funding": {
+        "type": "opencollective",
+        "url": "https://opencollective.com/parcel"
+      }
+    },
+    "node_modules/magic-string": {
+      "version": "0.30.21",
+      "resolved": "https://registry.npmjs.org/magic-string/-/magic-string-0.30.21.tgz",
+      "integrity": "sha512-vd2F4YUyEXKGcLHoq+TEyCjxueSeHnFxyyjNp80yg0XV4vUhnDer/lvvlqM/arB5bXQN5K2/3oinyCRyx8T2CQ==",
+      "license": "MIT",
+      "dependencies": {
+        "@jridgewell/sourcemap-codec": "^1.5.5"
+      }
+    },
     "node_modules/nanoid": {
       "version": "3.3.11",
       "resolved": "https://registry.npmjs.org/nanoid/-/nanoid-3.3.11.tgz",
@@ -781,13 +1382,7 @@
         }
       }
     },
-    "node_modules/picocolors": {
-      "version": "1.1.1",
-      "resolved": "https://registry.npmjs.org/picocolors/-/picocolors-1.1.1.tgz",
-      "integrity": "sha512-xceH2snhtb5M9liqDsmEw56le376mTZkEX/jEb/RxNFyegNul7eNslCXP9FDj/Lcu0X8KEyMceP2ntpaHrDEVA==",
-      "license": "ISC"
-    },
-    "node_modules/postcss": {
+    "node_modules/next/node_modules/postcss": {
       "version": "8.4.31",
       "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.4.31.tgz",
       "integrity": "sha512-PS08Iboia9mts/2ygV3eLpY5ghnUcfLV/EXTOW1E2qYxJKGGBUtNjN76FYHnMs36RmARn41bC0AZmn+rR0OVpQ==",
@@ -815,6 +1410,40 @@
         "node": "^10 || ^12 || >=14"
       }
     },
+    "node_modules/picocolors": {
+      "version": "1.1.1",
+      "resolved": "https://registry.npmjs.org/picocolors/-/picocolors-1.1.1.tgz",
+      "integrity": "sha512-xceH2snhtb5M9liqDsmEw56le376mTZkEX/jEb/RxNFyegNul7eNslCXP9FDj/Lcu0X8KEyMceP2ntpaHrDEVA==",
+      "license": "ISC"
+    },
+    "node_modules/postcss": {
+      "version": "8.5.6",
+      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.5.6.tgz",
+      "integrity": "sha512-3Ybi1tAuwAP9s0r1UQ2J4n5Y0G05bJkpUIO0/bI9MhwmD70S5aTWbXGBwxHrelT+XM1k6dM0pk+SwNkpTRN7Pg==",
+      "funding": [
+        {
+          "type": "opencollective",
+          "url": "https://opencollective.com/postcss/"
+        },
+        {
+          "type": "tidelift",
+          "url": "https://tidelift.com/funding/github/npm/postcss"
+        },
+        {
+          "type": "github",
+          "url": "https://github.com/sponsors/ai"
+        }
+      ],
+      "license": "MIT",
+      "dependencies": {
+        "nanoid": "^3.3.11",
+        "picocolors": "^1.1.1",
+        "source-map-js": "^1.2.1"
+      },
+      "engines": {
+        "node": "^10 || ^12 || >=14"
+      }
+    },
     "node_modules/react": {
       "version": "19.2.4",
       "resolved": "https://registry.npmjs.org/react/-/react-19.2.4.tgz",
@@ -935,6 +1564,25 @@
         }
       }
     },
+    "node_modules/tailwindcss": {
+      "version": "4.2.1",
+      "resolved": "https://registry.npmjs.org/tailwindcss/-/tailwindcss-4.2.1.tgz",
+      "integrity": "sha512-/tBrSQ36vCleJkAOsy9kbNTgaxvGbyOamC30PRePTQe/o1MFwEKHQk4Cn7BNGaPtjp+PuUrByJehM1hgxfq4sw==",
+      "license": "MIT"
+    },
+    "node_modules/tapable": {
+      "version": "2.3.0",
+      "resolved": "https://registry.npmjs.org/tapable/-/tapable-2.3.0.tgz",
+      "integrity": "sha512-g9ljZiwki/LfxmQADO3dEY1CbpmXT5Hm2fJ+QaGKwSXUylMybePR7/67YW7jOrrvjEgL1Fmz5kzyAjWVWLlucg==",
+      "license": "MIT",
+      "engines": {
+        "node": ">=6"
+      },
+      "funding": {
+        "type": "opencollective",
+        "url": "https://opencollective.com/webpack"
+      }
+    },
     "node_modules/tslib": {
       "version": "2.8.1",
       "resolved": "https://registry.npmjs.org/tslib/-/tslib-2.8.1.tgz",
diff --git a/package.json b/package.json
index 45e8a78..69616c4 100644
--- a/package.json
+++ b/package.json
@@ -8,7 +8,10 @@
     "start": "next start"
   },
   "dependencies": {
-    "next": "16.1.6"
+    "@tailwindcss/postcss": "^4.2.1",
+    "next": "16.1.6",
+    "postcss": "^8.5.6",
+    "tailwindcss": "^4.2.1"
   },
   "devDependencies": {
     "@types/node": "^20",
diff --git a/postcss.config.mts b/postcss.config.mts
new file mode 100644
index 0000000..5f04293
--- /dev/null
+++ b/postcss.config.mts
@@ -0,0 +1,7 @@
+const config = {
+  plugins: {
+    "@tailwindcss/postcss": {},
+  },
+};
+
+export default config;
\ No newline at end of file
diff --git a/src/app/[slug]/route.ts b/src/app/[slug]/route.ts
deleted file mode 100644
index 48fc857..0000000
--- a/src/app/[slug]/route.ts
+++ /dev/null
@@ -1,9 +0,0 @@
-import { NextRequest, NextResponse } from "next/server";
-
-export async function GET(
-  request: NextRequest,
-  { params }: { params: Promise<{ slug: string }> },
-) {
-  const { slug } = await params;
-  return NextResponse.json({ message: `Hello ${slug}!` });
-}
diff --git a/src/app/route.ts b/src/app/api/route.ts
similarity index 100%
rename from src/app/route.ts
rename to src/app/api/route.ts
diff --git a/src/app/globals.css b/src/app/globals.css
new file mode 100644
index 0000000..a461c50
--- /dev/null
+++ b/src/app/globals.css
@@ -0,0 +1 @@
+@import "tailwindcss";
\ No newline at end of file
diff --git a/src/app/layout.tsx b/src/app/layout.tsx
new file mode 100644
index 0000000..86e4795
--- /dev/null
+++ b/src/app/layout.tsx
@@ -0,0 +1,11 @@
+export default function RootLayout({
+  children,
+}: {
+  children: React.ReactNode
+}) {
+  return (
+    <html>
+      <body>{children}</body>
+    </html>
+  )
+}
\ No newline at end of file
diff --git a/src/app/page.tsx b/src/app/page.tsx
new file mode 100644
index 0000000..7c6e2c6
--- /dev/null
+++ b/src/app/page.tsx
@@ -0,0 +1,3 @@
+export default function Page() {
+  return <h1>Hello Next.js!</h1>
+}
\ No newline at end of file