diff --git a/eslint.config.mjs b/eslint.config.mjs
index 05e726d..18f4974 100644
--- a/eslint.config.mjs
+++ b/eslint.config.mjs
@@ -11,6 +11,8 @@ const eslintConfig = defineConfig([
     ".next/**",
     "out/**",
     "build/**",
+    "src/components/ui/**",
+    "src/generated/prisma/**",
     "next-env.d.ts",
   ]),
 ]);
diff --git a/package-lock.json b/package-lock.json
index bda6151..0fe8541 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -10,9 +10,12 @@
       "dependencies": {
         "@prisma/client": "^6.19.0",
         "@radix-ui/react-checkbox": "^1.3.3",
+        "@radix-ui/react-dialog": "^1.1.15",
         "@radix-ui/react-dropdown-menu": "^2.1.16",
         "@radix-ui/react-label": "^2.1.8",
-        "@radix-ui/react-slot": "^1.2.3",
+        "@radix-ui/react-separator": "^1.1.8",
+        "@radix-ui/react-slot": "^1.2.4",
+        "@radix-ui/react-tooltip": "^1.2.8",
         "@supabase/ssr": "^0.7.0",
         "class-variance-authority": "^0.7.1",
         "clsx": "^2.1.1",
@@ -2252,6 +2255,83 @@
         }
       }
     },
+    "node_modules/@radix-ui/react-dialog": {
+      "version": "1.1.15",
+      "resolved": "https://registry.npmjs.org/@radix-ui/react-dialog/-/react-dialog-1.1.15.tgz",
+      "integrity": "sha512-TCglVRtzlffRNxRMEyR36DGBLJpeusFcgMVD9PZEzAKnUs1lKCgX5u9BmC2Yg+LL9MgZDugFFs1Vl+Jp4t/PGw==",
+      "license": "MIT",
+      "dependencies": {
+        "@radix-ui/primitive": "1.1.3",
+        "@radix-ui/react-compose-refs": "1.1.2",
+        "@radix-ui/react-context": "1.1.2",
+        "@radix-ui/react-dismissable-layer": "1.1.11",
+        "@radix-ui/react-focus-guards": "1.1.3",
+        "@radix-ui/react-focus-scope": "1.1.7",
+        "@radix-ui/react-id": "1.1.1",
+        "@radix-ui/react-portal": "1.1.9",
+        "@radix-ui/react-presence": "1.1.5",
+        "@radix-ui/react-primitive": "2.1.3",
+        "@radix-ui/react-slot": "1.2.3",
+        "@radix-ui/react-use-controllable-state": "1.2.2",
+        "aria-hidden": "^1.2.4",
+        "react-remove-scroll": "^2.6.3"
+      },
+      "peerDependencies": {
+        "@types/react": "*",
+        "@types/react-dom": "*",
+        "react": "^16.8 || ^17.0 || ^18.0 || ^19.0 || ^19.0.0-rc",
+        "react-dom": "^16.8 || ^17.0 || ^18.0 || ^19.0 || ^19.0.0-rc"
+      },
+      "peerDependenciesMeta": {
+        "@types/react": {
+          "optional": true
+        },
+        "@types/react-dom": {
+          "optional": true
+        }
+      }
+    },
+    "node_modules/@radix-ui/react-dialog/node_modules/@radix-ui/react-primitive": {
+      "version": "2.1.3",
+      "resolved": "https://registry.npmjs.org/@radix-ui/react-primitive/-/react-primitive-2.1.3.tgz",
+      "integrity": "sha512-m9gTwRkhy2lvCPe6QJp4d3G1TYEUHn/FzJUtq9MjH46an1wJU+GdoGC5VLof8RX8Ft/DlpshApkhswDLZzHIcQ==",
+      "license": "MIT",
+      "dependencies": {
+        "@radix-ui/react-slot": "1.2.3"
+      },
+      "peerDependencies": {
+        "@types/react": "*",
+        "@types/react-dom": "*",
+        "react": "^16.8 || ^17.0 || ^18.0 || ^19.0 || ^19.0.0-rc",
+        "react-dom": "^16.8 || ^17.0 || ^18.0 || ^19.0 || ^19.0.0-rc"
+      },
+      "peerDependenciesMeta": {
+        "@types/react": {
+          "optional": true
+        },
+        "@types/react-dom": {
+          "optional": true
+        }
+      }
+    },
+    "node_modules/@radix-ui/react-dialog/node_modules/@radix-ui/react-slot": {
+      "version": "1.2.3",
+      "resolved": "https://registry.npmjs.org/@radix-ui/react-slot/-/react-slot-1.2.3.tgz",
+      "integrity": "sha512-aeNmHnBxbi2St0au6VBVC7JXFlhLlOnvIIlePNniyUNAClzmtAUEY8/pBiK3iHjufOlwA+c20/8jngo7xcrg8A==",
+      "license": "MIT",
+      "dependencies": {
+        "@radix-ui/react-compose-refs": "1.1.2"
+      },
+      "peerDependencies": {
+        "@types/react": "*",
+        "react": "^16.8 || ^17.0 || ^18.0 || ^19.0 || ^19.0.0-rc"
+      },
+      "peerDependenciesMeta": {
+        "@types/react": {
+          "optional": true
+        }
+      }
+    },
     "node_modules/@radix-ui/react-direction": {
       "version": "1.1.1",
       "resolved": "https://registry.npmjs.org/@radix-ui/react-direction/-/react-direction-1.1.1.tgz",
@@ -2865,6 +2945,29 @@
         }
       }
     },
+    "node_modules/@radix-ui/react-separator": {
+      "version": "1.1.8",
+      "resolved": "https://registry.npmjs.org/@radix-ui/react-separator/-/react-separator-1.1.8.tgz",
+      "integrity": "sha512-sDvqVY4itsKwwSMEe0jtKgfTh+72Sy3gPmQpjqcQneqQ4PFmr/1I0YA+2/puilhggCe2gJcx5EBAYFkWkdpa5g==",
+      "license": "MIT",
+      "dependencies": {
+        "@radix-ui/react-primitive": "2.1.4"
+      },
+      "peerDependencies": {
+        "@types/react": "*",
+        "@types/react-dom": "*",
+        "react": "^16.8 || ^17.0 || ^18.0 || ^19.0 || ^19.0.0-rc",
+        "react-dom": "^16.8 || ^17.0 || ^18.0 || ^19.0 || ^19.0.0-rc"
+      },
+      "peerDependenciesMeta": {
+        "@types/react": {
+          "optional": true
+        },
+        "@types/react-dom": {
+          "optional": true
+        }
+      }
+    },
     "node_modules/@radix-ui/react-slot": {
       "version": "1.2.4",
       "resolved": "https://registry.npmjs.org/@radix-ui/react-slot/-/react-slot-1.2.4.tgz",
@@ -2883,6 +2986,81 @@
         }
       }
     },
+    "node_modules/@radix-ui/react-tooltip": {
+      "version": "1.2.8",
+      "resolved": "https://registry.npmjs.org/@radix-ui/react-tooltip/-/react-tooltip-1.2.8.tgz",
+      "integrity": "sha512-tY7sVt1yL9ozIxvmbtN5qtmH2krXcBCfjEiCgKGLqunJHvgvZG2Pcl2oQ3kbcZARb1BGEHdkLzcYGO8ynVlieg==",
+      "license": "MIT",
+      "dependencies": {
+        "@radix-ui/primitive": "1.1.3",
+        "@radix-ui/react-compose-refs": "1.1.2",
+        "@radix-ui/react-context": "1.1.2",
+        "@radix-ui/react-dismissable-layer": "1.1.11",
+        "@radix-ui/react-id": "1.1.1",
+        "@radix-ui/react-popper": "1.2.8",
+        "@radix-ui/react-portal": "1.1.9",
+        "@radix-ui/react-presence": "1.1.5",
+        "@radix-ui/react-primitive": "2.1.3",
+        "@radix-ui/react-slot": "1.2.3",
+        "@radix-ui/react-use-controllable-state": "1.2.2",
+        "@radix-ui/react-visually-hidden": "1.2.3"
+      },
+      "peerDependencies": {
+        "@types/react": "*",
+        "@types/react-dom": "*",
+        "react": "^16.8 || ^17.0 || ^18.0 || ^19.0 || ^19.0.0-rc",
+        "react-dom": "^16.8 || ^17.0 || ^18.0 || ^19.0 || ^19.0.0-rc"
+      },
+      "peerDependenciesMeta": {
+        "@types/react": {
+          "optional": true
+        },
+        "@types/react-dom": {
+          "optional": true
+        }
+      }
+    },
+    "node_modules/@radix-ui/react-tooltip/node_modules/@radix-ui/react-primitive": {
+      "version": "2.1.3",
+      "resolved": "https://registry.npmjs.org/@radix-ui/react-primitive/-/react-primitive-2.1.3.tgz",
+      "integrity": "sha512-m9gTwRkhy2lvCPe6QJp4d3G1TYEUHn/FzJUtq9MjH46an1wJU+GdoGC5VLof8RX8Ft/DlpshApkhswDLZzHIcQ==",
+      "license": "MIT",
+      "dependencies": {
+        "@radix-ui/react-slot": "1.2.3"
+      },
+      "peerDependencies": {
+        "@types/react": "*",
+        "@types/react-dom": "*",
+        "react": "^16.8 || ^17.0 || ^18.0 || ^19.0 || ^19.0.0-rc",
+        "react-dom": "^16.8 || ^17.0 || ^18.0 || ^19.0 || ^19.0.0-rc"
+      },
+      "peerDependenciesMeta": {
+        "@types/react": {
+          "optional": true
+        },
+        "@types/react-dom": {
+          "optional": true
+        }
+      }
+    },
+    "node_modules/@radix-ui/react-tooltip/node_modules/@radix-ui/react-slot": {
+      "version": "1.2.3",
+      "resolved": "https://registry.npmjs.org/@radix-ui/react-slot/-/react-slot-1.2.3.tgz",
+      "integrity": "sha512-aeNmHnBxbi2St0au6VBVC7JXFlhLlOnvIIlePNniyUNAClzmtAUEY8/pBiK3iHjufOlwA+c20/8jngo7xcrg8A==",
+      "license": "MIT",
+      "dependencies": {
+        "@radix-ui/react-compose-refs": "1.1.2"
+      },
+      "peerDependencies": {
+        "@types/react": "*",
+        "react": "^16.8 || ^17.0 || ^18.0 || ^19.0 || ^19.0.0-rc"
+      },
+      "peerDependenciesMeta": {
+        "@types/react": {
+          "optional": true
+        }
+      }
+    },
     "node_modules/@radix-ui/react-use-callback-ref": {
       "version": "1.1.1",
       "resolved": "https://registry.npmjs.org/@radix-ui/react-use-callback-ref/-/react-use-callback-ref-1.1.1.tgz",
@@ -3019,6 +3197,70 @@
         }
       }
     },
+    "node_modules/@radix-ui/react-visually-hidden": {
+      "version": "1.2.3",
+      "resolved": "https://registry.npmjs.org/@radix-ui/react-visually-hidden/-/react-visually-hidden-1.2.3.tgz",
+      "integrity": "sha512-pzJq12tEaaIhqjbzpCuv/OypJY/BPavOofm+dbab+MHLajy277+1lLm6JFcGgF5eskJ6mquGirhXY2GD/8u8Ug==",
+      "license": "MIT",
+      "dependencies": {
+        "@radix-ui/react-primitive": "2.1.3"
+      },
+      "peerDependencies": {
+        "@types/react": "*",
+        "@types/react-dom": "*",
+        "react": "^16.8 || ^17.0 || ^18.0 || ^19.0 || ^19.0.0-rc",
+        "react-dom": "^16.8 || ^17.0 || ^18.0 || ^19.0 || ^19.0.0-rc"
+      },
+      "peerDependenciesMeta": {
+        "@types/react": {
+          "optional": true
+        },
+        "@types/react-dom": {
+          "optional": true
+        }
+      }
+    },
+    "node_modules/@radix-ui/react-visually-hidden/node_modules/@radix-ui/react-primitive": {
+      "version": "2.1.3",
+      "resolved": "https://registry.npmjs.org/@radix-ui/react-primitive/-/react-primitive-2.1.3.tgz",
+      "integrity": "sha512-m9gTwRkhy2lvCPe6QJp4d3G1TYEUHn/FzJUtq9MjH46an1wJU+GdoGC5VLof8RX8Ft/DlpshApkhswDLZzHIcQ==",
+      "license": "MIT",
+      "dependencies": {
+        "@radix-ui/react-slot": "1.2.3"
+      },
+      "peerDependencies": {
+        "@types/react": "*",
+        "@types/react-dom": "*",
+        "react": "^16.8 || ^17.0 || ^18.0 || ^19.0 || ^19.0.0-rc",
+        "react-dom": "^16.8 || ^17.0 || ^18.0 || ^19.0 || ^19.0.0-rc"
+      },
+      "peerDependenciesMeta": {
+        "@types/react": {
+          "optional": true
+        },
+        "@types/react-dom": {
+          "optional": true
+        }
+      }
+    },
+    "node_modules/@radix-ui/react-visually-hidden/node_modules/@radix-ui/react-slot": {
+      "version": "1.2.3",
+      "resolved": "https://registry.npmjs.org/@radix-ui/react-slot/-/react-slot-1.2.3.tgz",
+      "integrity": "sha512-aeNmHnBxbi2St0au6VBVC7JXFlhLlOnvIIlePNniyUNAClzmtAUEY8/pBiK3iHjufOlwA+c20/8jngo7xcrg8A==",
+      "license": "MIT",
+      "dependencies": {
+        "@radix-ui/react-compose-refs": "1.1.2"
+      },
+      "peerDependencies": {
+        "@types/react": "*",
+        "react": "^16.8 || ^17.0 || ^18.0 || ^19.0 || ^19.0.0-rc"
+      },
+      "peerDependenciesMeta": {
+        "@types/react": {
+          "optional": true
+        }
+      }
+    },
     "node_modules/@radix-ui/rect": {
       "version": "1.1.1",
       "resolved": "https://registry.npmjs.org/@radix-ui/rect/-/rect-1.1.1.tgz",
diff --git a/package.json b/package.json
index c32ea54..3bdad79 100644
--- a/package.json
+++ b/package.json
@@ -15,9 +15,12 @@
   "dependencies": {
     "@prisma/client": "^6.19.0",
     "@radix-ui/react-checkbox": "^1.3.3",
+    "@radix-ui/react-dialog": "^1.1.15",
     "@radix-ui/react-dropdown-menu": "^2.1.16",
     "@radix-ui/react-label": "^2.1.8",
-    "@radix-ui/react-slot": "^1.2.3",
+    "@radix-ui/react-separator": "^1.1.8",
+    "@radix-ui/react-slot": "^1.2.4",
+    "@radix-ui/react-tooltip": "^1.2.8",
     "@supabase/ssr": "^0.7.0",
     "class-variance-authority": "^0.7.1",
     "clsx": "^2.1.1",
diff --git a/src/app/(main)/courses/page.tsx b/src/app/(main)/courses/page.tsx
new file mode 100644
index 0000000..ad5d49c
--- /dev/null
+++ b/src/app/(main)/courses/page.tsx
@@ -0,0 +1,5 @@
+const Course = () => {
+  return <div>Course</div>;
+};
+
+export default Course;
diff --git a/src/app/(main)/dashboard/page.tsx b/src/app/(main)/dashboard/page.tsx
index ebaea4e..91d3369 100644
--- a/src/app/(main)/dashboard/page.tsx
+++ b/src/app/(main)/dashboard/page.tsx
@@ -1,141 +1,5 @@
-import { LogoutButton } from "@/src/components/layout/LogoutButton";
-import { requireAuthWithData, isManager, isUser } from "@/src/lib/auth/getUser";
+import DashboardView from "@/src/modules/dashboard/ui/views/dashboard-view";
 
-export default async function DashboardPage() {
-  const userData = await requireAuthWithData();
-
-  // Get display name based on user type
-  const displayName = isManager(userData)
-    ? `${userData.firstName} ${userData.lastName}`
-    : userData.name || userData.email;
-
-  return (
-    <div className="space-y-6">
-      <div className="bg-white rounded-lg shadow p-6">
-        <h1 className="text-3xl font-bold text-gray-900 mb-4">Willkommen zurück!</h1>
-        <p className="text-gray-600">Schön, dich wiederzusehen, {displayName}</p>
-        {isManager(userData) && (
-          <span className="inline-block mt-2 px-3 py-1 bg-blue-100 text-blue-800 text-sm font-medium rounded-full">
-            Manager
-          </span>
-        )}
-      </div>
-
-      <div className="grid grid-cols-1 md:grid-cols-2 lg:grid-cols-3 gap-6">
-        <div className="bg-white rounded-lg shadow p-6">
-          <h2 className="text-lg font-semibold mb-2">Profil</h2>
-          <p className="text-gray-600 text-sm">Verwalte deine persönlichen Daten</p>
-        </div>
-
-        {isManager(userData) ? (
-          <div className="bg-white rounded-lg shadow p-6">
-            <h2 className="text-lg font-semibold mb-2">Meine Businesses</h2>
-            <p className="text-gray-600 text-sm">
-              {userData.businesses.length}{" "}
-              {userData.businesses.length === 1 ? "Business" : "Businesses"}
-            </p>
-          </div>
-        ) : (
-          <div className="bg-white rounded-lg shadow p-6">
-            <h2 className="text-lg font-semibold mb-2">Trainings</h2>
-            <p className="text-gray-600 text-sm">Deine gebuchten Trainingseinheiten</p>
-          </div>
-        )}
-
-        <div className="bg-white rounded-lg shadow p-6">
-          <h2 className="text-lg font-semibold mb-2">Einstellungen</h2>
-          <p className="text-gray-600 text-sm">Passe deine Einstellungen an</p>
-        </div>
-      </div>
-
-      {isUser(userData) && (
-        <div className="bg-white rounded-lg shadow p-6">
-          <h2 className="text-xl font-semibold mb-4">Benutzerdaten</h2>
-          <dl className="grid grid-cols-1 md:grid-cols-2 gap-4">
-            <div>
-              <dt className="text-sm font-medium text-gray-500">Name</dt>
-              <dd className="mt-1 text-sm text-gray-900">{userData.name || "—"}</dd>
-            </div>
-            <div>
-              <dt className="text-sm font-medium text-gray-500">E-Mail</dt>
-              <dd className="mt-1 text-sm text-gray-900">{userData.email}</dd>
-            </div>
-            <div>
-              <dt className="text-sm font-medium text-gray-500">Geburtsdatum</dt>
-              <dd className="mt-1 text-sm text-gray-900">
-                {userData.birthday ? new Date(userData.birthday).toLocaleDateString("de-DE") : "—"}
-              </dd>
-            </div>
-            <div>
-              <dt className="text-sm font-medium text-gray-500">Wohnort</dt>
-              <dd className="mt-1 text-sm text-gray-900">
-                {userData.plz && userData.city ? `${userData.plz} ${userData.city}` : "—"}
-              </dd>
-            </div>
-            <div>
-              <dt className="text-sm font-medium text-gray-500">Geschlecht</dt>
-              <dd className="mt-1 text-sm text-gray-900">{userData.gender || "—"}</dd>
-            </div>
-            <div>
-              <dt className="text-sm font-medium text-gray-500">Registriert seit</dt>
-              <dd className="mt-1 text-sm text-gray-900">
-                {userData.createdAt
-                  ? new Date(userData.createdAt).toLocaleDateString("de-DE")
-                  : "—"}
-              </dd>
-            </div>
-          </dl>
-        </div>
-      )}
-
-      {isManager(userData) && (
-        <div className="bg-white rounded-lg shadow p-6">
-          <h2 className="text-xl font-semibold mb-4">Manager-Daten</h2>
-          <dl className="grid grid-cols-1 md:grid-cols-2 gap-4">
-            <div>
-              <dt className="text-sm font-medium text-gray-500">Vorname</dt>
-              <dd className="mt-1 text-sm text-gray-900">{userData.firstName}</dd>
-            </div>
-            <div>
-              <dt className="text-sm font-medium text-gray-500">Nachname</dt>
-              <dd className="mt-1 text-sm text-gray-900">{userData.lastName}</dd>
-            </div>
-            <div>
-              <dt className="text-sm font-medium text-gray-500">E-Mail</dt>
-              <dd className="mt-1 text-sm text-gray-900">{userData.email}</dd>
-            </div>
-            <div>
-              <dt className="text-sm font-medium text-gray-500">Telefon</dt>
-              <dd className="mt-1 text-sm text-gray-900">{userData.tel || "—"}</dd>
-            </div>
-            <div>
-              <dt className="text-sm font-medium text-gray-500">Registriert seit</dt>
-              <dd className="mt-1 text-sm text-gray-900">
-                {userData.createdAt
-                  ? new Date(userData.createdAt).toLocaleDateString("de-DE")
-                  : "—"}
-              </dd>
-            </div>
-          </dl>
-        </div>
-      )}
-
-      {isManager(userData) && userData.businesses.length > 0 && (
-        <div className="bg-white rounded-lg shadow p-6">
-          <h2 className="text-xl font-semibold mb-4">Meine Businesses</h2>
-          <div className="space-y-4">
-            {userData.businesses.map((business) => (
-              <div key={business.id} className="border-l-4 border-blue-500 pl-4 py-2">
-                <h3 className="text-lg font-semibold text-gray-900">{business.name}</h3>
-                <p className="text-sm text-gray-600 mt-1">{business.address}</p>
-                <p className="text-sm text-gray-600">{business.email}</p>
-              </div>
-            ))}
-          </div>
-        </div>
-      )}
-
-      <LogoutButton />
-    </div>
-  );
+export default function DashboardPage() {
+  return <DashboardView />;
 }
diff --git a/src/app/(main)/layout.tsx b/src/app/(main)/layout.tsx
new file mode 100644
index 0000000..d60c0e6
--- /dev/null
+++ b/src/app/(main)/layout.tsx
@@ -0,0 +1,21 @@
+import { SidebarProvider } from "@/src/components/ui/sidebar";
+import DashboardNavbar from "@/src/modules/dashboard/ui/components/DashboardNavbar";
+import DashboardSidebarWrapper from "@/src/modules/dashboard/ui/components/DashboardSidebarWrapper";
+
+interface Props {
+  children: React.ReactNode;
+}
+
+const Layout = ({ children }: Props) => {
+  return (
+    <SidebarProvider>
+      <DashboardSidebarWrapper />
+      <main className="flex flex-col h-screen w-screen bg-muted px-4">
+        <DashboardNavbar />
+        {children}
+      </main>
+    </SidebarProvider>
+  );
+};
+
+export default Layout;
diff --git a/src/components/ui/button.tsx b/src/components/ui/button.tsx
index 0bff7f2..f363387 100644
--- a/src/components/ui/button.tsx
+++ b/src/components/ui/button.tsx
@@ -1,9 +1,9 @@
 import * as React from "react"
 import { Slot } from "@radix-ui/react-slot"
 import { cva, type VariantProps } from "class-variance-authority"
-
 import { cn } from "@/src/lib/utils"
 
+
 const buttonVariants = cva(
   "inline-flex items-center justify-center gap-2 whitespace-nowrap rounded-md text-sm font-medium transition-all disabled:pointer-events-none disabled:opacity-50 [&_svg]:pointer-events-none [&_svg:not([class*='size-'])]:size-4 shrink-0 [&_svg]:shrink-0 outline-none focus-visible:border-ring focus-visible:ring-ring/50 focus-visible:ring-[3px] aria-invalid:ring-destructive/20 dark:aria-invalid:ring-destructive/40 aria-invalid:border-destructive",
   {
diff --git a/src/components/ui/input.tsx b/src/components/ui/input.tsx
index 15f60c4..7d711ac 100644
--- a/src/components/ui/input.tsx
+++ b/src/components/ui/input.tsx
@@ -1,6 +1,5 @@
-import * as React from "react"
-
 import { cn } from "@/src/lib/utils"
+import * as React from "react"
 
 function Input({ className, type, ...props }: React.ComponentProps<"input">) {
   return (
diff --git a/src/components/ui/separator.tsx b/src/components/ui/separator.tsx
new file mode 100644
index 0000000..12a3aae
--- /dev/null
+++ b/src/components/ui/separator.tsx
@@ -0,0 +1,28 @@
+"use client"
+
+import * as React from "react"
+import * as SeparatorPrimitive from "@radix-ui/react-separator"
+
+import { cn } from "@/src/lib/utils"
+
+function Separator({
+  className,
+  orientation = "horizontal",
+  decorative = true,
+  ...props
+}: React.ComponentProps<typeof SeparatorPrimitive.Root>) {
+  return (
+    <SeparatorPrimitive.Root
+      data-slot="separator"
+      decorative={decorative}
+      orientation={orientation}
+      className={cn(
+        "bg-border shrink-0 data-[orientation=horizontal]:h-px data-[orientation=horizontal]:w-full data-[orientation=vertical]:h-full data-[orientation=vertical]:w-px",
+        className
+      )}
+      {...props}
+    />
+  )
+}
+
+export { Separator }
diff --git a/src/components/ui/sheet.tsx b/src/components/ui/sheet.tsx
new file mode 100644
index 0000000..34458be
--- /dev/null
+++ b/src/components/ui/sheet.tsx
@@ -0,0 +1,139 @@
+"use client"
+
+import * as React from "react"
+import * as SheetPrimitive from "@radix-ui/react-dialog"
+import { XIcon } from "lucide-react"
+
+import { cn } from "@/src/lib/utils"
+
+function Sheet({ ...props }: React.ComponentProps<typeof SheetPrimitive.Root>) {
+  return <SheetPrimitive.Root data-slot="sheet" {...props} />
+}
+
+function SheetTrigger({
+  ...props
+}: React.ComponentProps<typeof SheetPrimitive.Trigger>) {
+  return <SheetPrimitive.Trigger data-slot="sheet-trigger" {...props} />
+}
+
+function SheetClose({
+  ...props
+}: React.ComponentProps<typeof SheetPrimitive.Close>) {
+  return <SheetPrimitive.Close data-slot="sheet-close" {...props} />
+}
+
+function SheetPortal({
+  ...props
+}: React.ComponentProps<typeof SheetPrimitive.Portal>) {
+  return <SheetPrimitive.Portal data-slot="sheet-portal" {...props} />
+}
+
+function SheetOverlay({
+  className,
+  ...props
+}: React.ComponentProps<typeof SheetPrimitive.Overlay>) {
+  return (
+    <SheetPrimitive.Overlay
+      data-slot="sheet-overlay"
+      className={cn(
+        "data-[state=open]:animate-in data-[state=closed]:animate-out data-[state=closed]:fade-out-0 data-[state=open]:fade-in-0 fixed inset-0 z-50 bg-black/50",
+        className
+      )}
+      {...props}
+    />
+  )
+}
+
+function SheetContent({
+  className,
+  children,
+  side = "right",
+  ...props
+}: React.ComponentProps<typeof SheetPrimitive.Content> & {
+  side?: "top" | "right" | "bottom" | "left"
+}) {
+  return (
+    <SheetPortal>
+      <SheetOverlay />
+      <SheetPrimitive.Content
+        data-slot="sheet-content"
+        className={cn(
+          "bg-background data-[state=open]:animate-in data-[state=closed]:animate-out fixed z-50 flex flex-col gap-4 shadow-lg transition ease-in-out data-[state=closed]:duration-300 data-[state=open]:duration-500",
+          side === "right" &&
+            "data-[state=closed]:slide-out-to-right data-[state=open]:slide-in-from-right inset-y-0 right-0 h-full w-3/4 border-l sm:max-w-sm",
+          side === "left" &&
+            "data-[state=closed]:slide-out-to-left data-[state=open]:slide-in-from-left inset-y-0 left-0 h-full w-3/4 border-r sm:max-w-sm",
+          side === "top" &&
+            "data-[state=closed]:slide-out-to-top data-[state=open]:slide-in-from-top inset-x-0 top-0 h-auto border-b",
+          side === "bottom" &&
+            "data-[state=closed]:slide-out-to-bottom data-[state=open]:slide-in-from-bottom inset-x-0 bottom-0 h-auto border-t",
+          className
+        )}
+        {...props}
+      >
+        {children}
+        <SheetPrimitive.Close className="ring-offset-background focus:ring-ring data-[state=open]:bg-secondary absolute top-4 right-4 rounded-xs opacity-70 transition-opacity hover:opacity-100 focus:ring-2 focus:ring-offset-2 focus:outline-hidden disabled:pointer-events-none">
+          <XIcon className="size-4" />
+          <span className="sr-only">Close</span>
+        </SheetPrimitive.Close>
+      </SheetPrimitive.Content>
+    </SheetPortal>
+  )
+}
+
+function SheetHeader({ className, ...props }: React.ComponentProps<"div">) {
+  return (
+    <div
+      data-slot="sheet-header"
+      className={cn("flex flex-col gap-1.5 p-4", className)}
+      {...props}
+    />
+  )
+}
+
+function SheetFooter({ className, ...props }: React.ComponentProps<"div">) {
+  return (
+    <div
+      data-slot="sheet-footer"
+      className={cn("mt-auto flex flex-col gap-2 p-4", className)}
+      {...props}
+    />
+  )
+}
+
+function SheetTitle({
+  className,
+  ...props
+}: React.ComponentProps<typeof SheetPrimitive.Title>) {
+  return (
+    <SheetPrimitive.Title
+      data-slot="sheet-title"
+      className={cn("text-foreground font-semibold", className)}
+      {...props}
+    />
+  )
+}
+
+function SheetDescription({
+  className,
+  ...props
+}: React.ComponentProps<typeof SheetPrimitive.Description>) {
+  return (
+    <SheetPrimitive.Description
+      data-slot="sheet-description"
+      className={cn("text-muted-foreground text-sm", className)}
+      {...props}
+    />
+  )
+}
+
+export {
+  Sheet,
+  SheetTrigger,
+  SheetClose,
+  SheetContent,
+  SheetHeader,
+  SheetFooter,
+  SheetTitle,
+  SheetDescription,
+}
diff --git a/src/components/ui/sidebar.tsx b/src/components/ui/sidebar.tsx
new file mode 100644
index 0000000..fe4536f
--- /dev/null
+++ b/src/components/ui/sidebar.tsx
@@ -0,0 +1,726 @@
+"use client"
+
+import * as React from "react"
+import { Slot } from "@radix-ui/react-slot"
+import { cva, type VariantProps } from "class-variance-authority"
+import { PanelLeftIcon } from "lucide-react"
+
+import { useIsMobile } from "@/src/hooks/use-mobile"
+import { cn } from "@/src/lib/utils"
+import { Button } from "@/src/components/ui/button"
+import { Input } from "@/src/components/ui/input"
+import { Separator } from "@/src/components/ui/separator"
+import {
+  Sheet,
+  SheetContent,
+  SheetDescription,
+  SheetHeader,
+  SheetTitle,
+} from "@/src/components/ui/sheet"
+import { Skeleton } from "@/src/components/ui/skeleton"
+import {
+  Tooltip,
+  TooltipContent,
+  TooltipProvider,
+  TooltipTrigger,
+} from "@/src/components/ui/tooltip"
+
+const SIDEBAR_COOKIE_NAME = "sidebar_state"
+const SIDEBAR_COOKIE_MAX_AGE = 60 * 60 * 24 * 7
+const SIDEBAR_WIDTH = "16rem"
+const SIDEBAR_WIDTH_MOBILE = "18rem"
+const SIDEBAR_WIDTH_ICON = "3rem"
+const SIDEBAR_KEYBOARD_SHORTCUT = "b"
+
+type SidebarContextProps = {
+  state: "expanded" | "collapsed"
+  open: boolean
+  setOpen: (open: boolean) => void
+  openMobile: boolean
+  setOpenMobile: (open: boolean) => void
+  isMobile: boolean
+  toggleSidebar: () => void
+}
+
+const SidebarContext = React.createContext<SidebarContextProps | null>(null)
+
+function useSidebar() {
+  const context = React.useContext(SidebarContext)
+  if (!context) {
+    throw new Error("useSidebar must be used within a SidebarProvider.")
+  }
+
+  return context
+}
+
+function SidebarProvider({
+  defaultOpen = true,
+  open: openProp,
+  onOpenChange: setOpenProp,
+  className,
+  style,
+  children,
+  ...props
+}: React.ComponentProps<"div"> & {
+  defaultOpen?: boolean
+  open?: boolean
+  onOpenChange?: (open: boolean) => void
+}) {
+  const isMobile = useIsMobile()
+  const [openMobile, setOpenMobile] = React.useState(false)
+
+  // This is the internal state of the sidebar.
+  // We use openProp and setOpenProp for control from outside the component.
+  const [_open, _setOpen] = React.useState(defaultOpen)
+  const open = openProp ?? _open
+  const setOpen = React.useCallback(
+    (value: boolean | ((value: boolean) => boolean)) => {
+      const openState = typeof value === "function" ? value(open) : value
+      if (setOpenProp) {
+        setOpenProp(openState)
+      } else {
+        _setOpen(openState)
+      }
+
+      // This sets the cookie to keep the sidebar state.
+      document.cookie = `${SIDEBAR_COOKIE_NAME}=${openState}; path=/; max-age=${SIDEBAR_COOKIE_MAX_AGE}`
+    },
+    [setOpenProp, open]
+  )
+
+  // Helper to toggle the sidebar.
+  const toggleSidebar = React.useCallback(() => {
+    return isMobile ? setOpenMobile((open) => !open) : setOpen((open) => !open)
+  }, [isMobile, setOpen, setOpenMobile])
+
+  // Adds a keyboard shortcut to toggle the sidebar.
+  React.useEffect(() => {
+    const handleKeyDown = (event: KeyboardEvent) => {
+      if (
+        event.key === SIDEBAR_KEYBOARD_SHORTCUT &&
+        (event.metaKey || event.ctrlKey)
+      ) {
+        event.preventDefault()
+        toggleSidebar()
+      }
+    }
+
+    window.addEventListener("keydown", handleKeyDown)
+    return () => window.removeEventListener("keydown", handleKeyDown)
+  }, [toggleSidebar])
+
+  // We add a state so that we can do data-state="expanded" or "collapsed".
+  // This makes it easier to style the sidebar with Tailwind classes.
+  const state = open ? "expanded" : "collapsed"
+
+  const contextValue = React.useMemo<SidebarContextProps>(
+    () => ({
+      state,
+      open,
+      setOpen,
+      isMobile,
+      openMobile,
+      setOpenMobile,
+      toggleSidebar,
+    }),
+    [state, open, setOpen, isMobile, openMobile, setOpenMobile, toggleSidebar]
+  )
+
+  return (
+    <SidebarContext.Provider value={contextValue}>
+      <TooltipProvider delayDuration={0}>
+        <div
+          data-slot="sidebar-wrapper"
+          style={
+            {
+              "--sidebar-width": SIDEBAR_WIDTH,
+              "--sidebar-width-icon": SIDEBAR_WIDTH_ICON,
+              ...style,
+            } as React.CSSProperties
+          }
+          className={cn(
+            "group/sidebar-wrapper has-data-[variant=inset]:bg-sidebar flex min-h-svh w-full",
+            className
+          )}
+          {...props}
+        >
+          {children}
+        </div>
+      </TooltipProvider>
+    </SidebarContext.Provider>
+  )
+}
+
+function Sidebar({
+  side = "left",
+  variant = "sidebar",
+  collapsible = "offcanvas",
+  className,
+  children,
+  ...props
+}: React.ComponentProps<"div"> & {
+  side?: "left" | "right"
+  variant?: "sidebar" | "floating" | "inset"
+  collapsible?: "offcanvas" | "icon" | "none"
+}) {
+  const { isMobile, state, openMobile, setOpenMobile } = useSidebar()
+
+  if (collapsible === "none") {
+    return (
+      <div
+        data-slot="sidebar"
+        className={cn(
+          "bg-sidebar text-sidebar-foreground flex h-full w-(--sidebar-width) flex-col",
+          className
+        )}
+        {...props}
+      >
+        {children}
+      </div>
+    )
+  }
+
+  if (isMobile) {
+    return (
+      <Sheet open={openMobile} onOpenChange={setOpenMobile} {...props}>
+        <SheetContent
+          data-sidebar="sidebar"
+          data-slot="sidebar"
+          data-mobile="true"
+          className="bg-sidebar text-sidebar-foreground w-(--sidebar-width) p-0 [&>button]:hidden"
+          style={
+            {
+              "--sidebar-width": SIDEBAR_WIDTH_MOBILE,
+            } as React.CSSProperties
+          }
+          side={side}
+        >
+          <SheetHeader className="sr-only">
+            <SheetTitle>Sidebar</SheetTitle>
+            <SheetDescription>Displays the mobile sidebar.</SheetDescription>
+          </SheetHeader>
+          <div className="flex h-full w-full flex-col">{children}</div>
+        </SheetContent>
+      </Sheet>
+    )
+  }
+
+  return (
+    <div
+      className="group peer text-sidebar-foreground hidden md:block"
+      data-state={state}
+      data-collapsible={state === "collapsed" ? collapsible : ""}
+      data-variant={variant}
+      data-side={side}
+      data-slot="sidebar"
+    >
+      {/* This is what handles the sidebar gap on desktop */}
+      <div
+        data-slot="sidebar-gap"
+        className={cn(
+          "relative w-(--sidebar-width) bg-transparent transition-[width] duration-200 ease-linear",
+          "group-data-[collapsible=offcanvas]:w-0",
+          "group-data-[side=right]:rotate-180",
+          variant === "floating" || variant === "inset"
+            ? "group-data-[collapsible=icon]:w-[calc(var(--sidebar-width-icon)+(--spacing(4)))]"
+            : "group-data-[collapsible=icon]:w-(--sidebar-width-icon)"
+        )}
+      />
+      <div
+        data-slot="sidebar-container"
+        className={cn(
+          "fixed inset-y-0 z-10 hidden h-svh w-(--sidebar-width) transition-[left,right,width] duration-200 ease-linear md:flex",
+          side === "left"
+            ? "left-0 group-data-[collapsible=offcanvas]:left-[calc(var(--sidebar-width)*-1)]"
+            : "right-0 group-data-[collapsible=offcanvas]:right-[calc(var(--sidebar-width)*-1)]",
+          // Adjust the padding for floating and inset variants.
+          variant === "floating" || variant === "inset"
+            ? "p-2 group-data-[collapsible=icon]:w-[calc(var(--sidebar-width-icon)+(--spacing(4))+2px)]"
+            : "group-data-[collapsible=icon]:w-(--sidebar-width-icon) group-data-[side=left]:border-r group-data-[side=right]:border-l",
+          className
+        )}
+        {...props}
+      >
+        <div
+          data-sidebar="sidebar"
+          data-slot="sidebar-inner"
+          className="bg-sidebar group-data-[variant=floating]:border-sidebar-border flex h-full w-full flex-col group-data-[variant=floating]:rounded-lg group-data-[variant=floating]:border group-data-[variant=floating]:shadow-sm"
+        >
+          {children}
+        </div>
+      </div>
+    </div>
+  )
+}
+
+function SidebarTrigger({
+  className,
+  onClick,
+  ...props
+}: React.ComponentProps<typeof Button>) {
+  const { toggleSidebar } = useSidebar()
+
+  return (
+    <Button
+      data-sidebar="trigger"
+      data-slot="sidebar-trigger"
+      variant="ghost"
+      size="icon"
+      className={cn("size-7", className)}
+      onClick={(event) => {
+        onClick?.(event)
+        toggleSidebar()
+      }}
+      {...props}
+    >
+      <PanelLeftIcon />
+      <span className="sr-only">Toggle Sidebar</span>
+    </Button>
+  )
+}
+
+function SidebarRail({ className, ...props }: React.ComponentProps<"button">) {
+  const { toggleSidebar } = useSidebar()
+
+  return (
+    <button
+      data-sidebar="rail"
+      data-slot="sidebar-rail"
+      aria-label="Toggle Sidebar"
+      tabIndex={-1}
+      onClick={toggleSidebar}
+      title="Toggle Sidebar"
+      className={cn(
+        "hover:after:bg-sidebar-border absolute inset-y-0 z-20 hidden w-4 -translate-x-1/2 transition-all ease-linear group-data-[side=left]:-right-4 group-data-[side=right]:left-0 after:absolute after:inset-y-0 after:left-1/2 after:w-[2px] sm:flex",
+        "in-data-[side=left]:cursor-w-resize in-data-[side=right]:cursor-e-resize",
+        "[[data-side=left][data-state=collapsed]_&]:cursor-e-resize [[data-side=right][data-state=collapsed]_&]:cursor-w-resize",
+        "hover:group-data-[collapsible=offcanvas]:bg-sidebar group-data-[collapsible=offcanvas]:translate-x-0 group-data-[collapsible=offcanvas]:after:left-full",
+        "[[data-side=left][data-collapsible=offcanvas]_&]:-right-2",
+        "[[data-side=right][data-collapsible=offcanvas]_&]:-left-2",
+        className
+      )}
+      {...props}
+    />
+  )
+}
+
+function SidebarInset({ className, ...props }: React.ComponentProps<"main">) {
+  return (
+    <main
+      data-slot="sidebar-inset"
+      className={cn(
+        "bg-background relative flex w-full flex-1 flex-col",
+        "md:peer-data-[variant=inset]:m-2 md:peer-data-[variant=inset]:ml-0 md:peer-data-[variant=inset]:rounded-xl md:peer-data-[variant=inset]:shadow-sm md:peer-data-[variant=inset]:peer-data-[state=collapsed]:ml-2",
+        className
+      )}
+      {...props}
+    />
+  )
+}
+
+function SidebarInput({
+  className,
+  ...props
+}: React.ComponentProps<typeof Input>) {
+  return (
+    <Input
+      data-slot="sidebar-input"
+      data-sidebar="input"
+      className={cn("bg-background h-8 w-full shadow-none", className)}
+      {...props}
+    />
+  )
+}
+
+function SidebarHeader({ className, ...props }: React.ComponentProps<"div">) {
+  return (
+    <div
+      data-slot="sidebar-header"
+      data-sidebar="header"
+      className={cn("flex flex-col gap-2 p-2", className)}
+      {...props}
+    />
+  )
+}
+
+function SidebarFooter({ className, ...props }: React.ComponentProps<"div">) {
+  return (
+    <div
+      data-slot="sidebar-footer"
+      data-sidebar="footer"
+      className={cn("flex flex-col gap-2 p-2", className)}
+      {...props}
+    />
+  )
+}
+
+function SidebarSeparator({
+  className,
+  ...props
+}: React.ComponentProps<typeof Separator>) {
+  return (
+    <Separator
+      data-slot="sidebar-separator"
+      data-sidebar="separator"
+      className={cn("bg-sidebar-border mx-2 w-auto", className)}
+      {...props}
+    />
+  )
+}
+
+function SidebarContent({ className, ...props }: React.ComponentProps<"div">) {
+  return (
+    <div
+      data-slot="sidebar-content"
+      data-sidebar="content"
+      className={cn(
+        "flex min-h-0 flex-1 flex-col gap-2 overflow-auto group-data-[collapsible=icon]:overflow-hidden",
+        className
+      )}
+      {...props}
+    />
+  )
+}
+
+function SidebarGroup({ className, ...props }: React.ComponentProps<"div">) {
+  return (
+    <div
+      data-slot="sidebar-group"
+      data-sidebar="group"
+      className={cn("relative flex w-full min-w-0 flex-col p-2", className)}
+      {...props}
+    />
+  )
+}
+
+function SidebarGroupLabel({
+  className,
+  asChild = false,
+  ...props
+}: React.ComponentProps<"div"> & { asChild?: boolean }) {
+  const Comp = asChild ? Slot : "div"
+
+  return (
+    <Comp
+      data-slot="sidebar-group-label"
+      data-sidebar="group-label"
+      className={cn(
+        "text-sidebar-foreground/70 ring-sidebar-ring flex h-8 shrink-0 items-center rounded-md px-2 text-xs font-medium outline-hidden transition-[margin,opacity] duration-200 ease-linear focus-visible:ring-2 [&>svg]:size-4 [&>svg]:shrink-0",
+        "group-data-[collapsible=icon]:-mt-8 group-data-[collapsible=icon]:opacity-0",
+        className
+      )}
+      {...props}
+    />
+  )
+}
+
+function SidebarGroupAction({
+  className,
+  asChild = false,
+  ...props
+}: React.ComponentProps<"button"> & { asChild?: boolean }) {
+  const Comp = asChild ? Slot : "button"
+
+  return (
+    <Comp
+      data-slot="sidebar-group-action"
+      data-sidebar="group-action"
+      className={cn(
+        "text-sidebar-foreground ring-sidebar-ring hover:bg-sidebar-accent hover:text-sidebar-accent-foreground absolute top-3.5 right-3 flex aspect-square w-5 items-center justify-center rounded-md p-0 outline-hidden transition-transform focus-visible:ring-2 [&>svg]:size-4 [&>svg]:shrink-0",
+        // Increases the hit area of the button on mobile.
+        "after:absolute after:-inset-2 md:after:hidden",
+        "group-data-[collapsible=icon]:hidden",
+        className
+      )}
+      {...props}
+    />
+  )
+}
+
+function SidebarGroupContent({
+  className,
+  ...props
+}: React.ComponentProps<"div">) {
+  return (
+    <div
+      data-slot="sidebar-group-content"
+      data-sidebar="group-content"
+      className={cn("w-full text-sm", className)}
+      {...props}
+    />
+  )
+}
+
+function SidebarMenu({ className, ...props }: React.ComponentProps<"ul">) {
+  return (
+    <ul
+      data-slot="sidebar-menu"
+      data-sidebar="menu"
+      className={cn("flex w-full min-w-0 flex-col gap-1", className)}
+      {...props}
+    />
+  )
+}
+
+function SidebarMenuItem({ className, ...props }: React.ComponentProps<"li">) {
+  return (
+    <li
+      data-slot="sidebar-menu-item"
+      data-sidebar="menu-item"
+      className={cn("group/menu-item relative", className)}
+      {...props}
+    />
+  )
+}
+
+const sidebarMenuButtonVariants = cva(
+  "peer/menu-button flex w-full items-center gap-2 overflow-hidden rounded-md p-2 text-left text-sm outline-hidden ring-sidebar-ring transition-[width,height,padding] hover:bg-sidebar-accent hover:text-sidebar-accent-foreground focus-visible:ring-2 active:bg-sidebar-accent active:text-sidebar-accent-foreground disabled:pointer-events-none disabled:opacity-50 group-has-data-[sidebar=menu-action]/menu-item:pr-8 aria-disabled:pointer-events-none aria-disabled:opacity-50 data-[active=true]:bg-sidebar-accent data-[active=true]:font-medium data-[active=true]:text-sidebar-accent-foreground data-[state=open]:hover:bg-sidebar-accent data-[state=open]:hover:text-sidebar-accent-foreground group-data-[collapsible=icon]:size-8! group-data-[collapsible=icon]:p-2! [&>span:last-child]:truncate [&>svg]:size-5 [&>svg]:shrink-0",
+  {
+    variants: {
+      variant: {
+        default: "hover:bg-sidebar-accent hover:text-sidebar-accent-foreground",
+        outline:
+          "bg-background shadow-[0_0_0_1px_hsl(var(--sidebar-border))] hover:bg-sidebar-accent hover:text-sidebar-accent-foreground hover:shadow-[0_0_0_1px_hsl(var(--sidebar-accent))]",
+      },
+      size: {
+        default: "h-8 text-sm",
+        sm: "h-7 text-xs",
+        lg: "h-12 text-sm group-data-[collapsible=icon]:p-0!",
+      },
+    },
+    defaultVariants: {
+      variant: "default",
+      size: "default",
+    },
+  }
+)
+
+function SidebarMenuButton({
+  asChild = false,
+  isActive = false,
+  variant = "default",
+  size = "default",
+  tooltip,
+  className,
+  ...props
+}: React.ComponentProps<"button"> & {
+  asChild?: boolean
+  isActive?: boolean
+  tooltip?: string | React.ComponentProps<typeof TooltipContent>
+} & VariantProps<typeof sidebarMenuButtonVariants>) {
+  const Comp = asChild ? Slot : "button"
+  const { isMobile, state } = useSidebar()
+
+  const button = (
+    <Comp
+      data-slot="sidebar-menu-button"
+      data-sidebar="menu-button"
+      data-size={size}
+      data-active={isActive}
+      className={cn(sidebarMenuButtonVariants({ variant, size }), className)}
+      {...props}
+    />
+  )
+
+  if (!tooltip) {
+    return button
+  }
+
+  if (typeof tooltip === "string") {
+    tooltip = {
+      children: tooltip,
+    }
+  }
+
+  return (
+    <Tooltip>
+      <TooltipTrigger asChild>{button}</TooltipTrigger>
+      <TooltipContent
+        side="right"
+        align="center"
+        hidden={state !== "collapsed" || isMobile}
+        {...tooltip}
+      />
+    </Tooltip>
+  )
+}
+
+function SidebarMenuAction({
+  className,
+  asChild = false,
+  showOnHover = false,
+  ...props
+}: React.ComponentProps<"button"> & {
+  asChild?: boolean
+  showOnHover?: boolean
+}) {
+  const Comp = asChild ? Slot : "button"
+
+  return (
+    <Comp
+      data-slot="sidebar-menu-action"
+      data-sidebar="menu-action"
+      className={cn(
+        "text-sidebar-foreground ring-sidebar-ring hover:bg-sidebar-accent hover:text-sidebar-accent-foreground peer-hover/menu-button:text-sidebar-accent-foreground absolute top-1.5 right-1 flex aspect-square w-5 items-center justify-center rounded-md p-0 outline-hidden transition-transform focus-visible:ring-2 [&>svg]:size-4 [&>svg]:shrink-0",
+        // Increases the hit area of the button on mobile.
+        "after:absolute after:-inset-2 md:after:hidden",
+        "peer-data-[size=sm]/menu-button:top-1",
+        "peer-data-[size=default]/menu-button:top-1.5",
+        "peer-data-[size=lg]/menu-button:top-2.5",
+        "group-data-[collapsible=icon]:hidden",
+        showOnHover &&
+          "peer-data-[active=true]/menu-button:text-sidebar-accent-foreground group-focus-within/menu-item:opacity-100 group-hover/menu-item:opacity-100 data-[state=open]:opacity-100 md:opacity-0",
+        className
+      )}
+      {...props}
+    />
+  )
+}
+
+function SidebarMenuBadge({
+  className,
+  ...props
+}: React.ComponentProps<"div">) {
+  return (
+    <div
+      data-slot="sidebar-menu-badge"
+      data-sidebar="menu-badge"
+      className={cn(
+        "text-sidebar-foreground pointer-events-none absolute right-1 flex h-5 min-w-5 items-center justify-center rounded-md px-1 text-xs font-medium tabular-nums select-none",
+        "peer-hover/menu-button:text-sidebar-accent-foreground peer-data-[active=true]/menu-button:text-sidebar-accent-foreground",
+        "peer-data-[size=sm]/menu-button:top-1",
+        "peer-data-[size=default]/menu-button:top-1.5",
+        "peer-data-[size=lg]/menu-button:top-2.5",
+        "group-data-[collapsible=icon]:hidden",
+        className
+      )}
+      {...props}
+    />
+  )
+}
+
+function SidebarMenuSkeleton({
+  className,
+  showIcon = false,
+  ...props
+}: React.ComponentProps<"div"> & {
+  showIcon?: boolean
+}) {
+  // Random width between 50 to 90%.
+  const width = React.useMemo(() => {
+    return `${Math.floor(Math.random() * 40) + 50}%`
+  }, [])
+
+  return (
+    <div
+      data-slot="sidebar-menu-skeleton"
+      data-sidebar="menu-skeleton"
+      className={cn("flex h-8 items-center gap-2 rounded-md px-2", className)}
+      {...props}
+    >
+      {showIcon && (
+        <Skeleton
+          className="size-4 rounded-md"
+          data-sidebar="menu-skeleton-icon"
+        />
+      )}
+      <Skeleton
+        className="h-4 max-w-(--skeleton-width) flex-1"
+        data-sidebar="menu-skeleton-text"
+        style={
+          {
+            "--skeleton-width": width,
+          } as React.CSSProperties
+        }
+      />
+    </div>
+  )
+}
+
+function SidebarMenuSub({ className, ...props }: React.ComponentProps<"ul">) {
+  return (
+    <ul
+      data-slot="sidebar-menu-sub"
+      data-sidebar="menu-sub"
+      className={cn(
+        "border-sidebar-border mx-3.5 flex min-w-0 translate-x-px flex-col gap-1 border-l px-2.5 py-0.5",
+        "group-data-[collapsible=icon]:hidden",
+        className
+      )}
+      {...props}
+    />
+  )
+}
+
+function SidebarMenuSubItem({
+  className,
+  ...props
+}: React.ComponentProps<"li">) {
+  return (
+    <li
+      data-slot="sidebar-menu-sub-item"
+      data-sidebar="menu-sub-item"
+      className={cn("group/menu-sub-item relative", className)}
+      {...props}
+    />
+  )
+}
+
+function SidebarMenuSubButton({
+  asChild = false,
+  size = "md",
+  isActive = false,
+  className,
+  ...props
+}: React.ComponentProps<"a"> & {
+  asChild?: boolean
+  size?: "sm" | "md"
+  isActive?: boolean
+}) {
+  const Comp = asChild ? Slot : "a"
+
+  return (
+    <Comp
+      data-slot="sidebar-menu-sub-button"
+      data-sidebar="menu-sub-button"
+      data-size={size}
+      data-active={isActive}
+      className={cn(
+        "text-sidebar-foreground ring-sidebar-ring hover:bg-sidebar-accent hover:text-sidebar-accent-foreground active:bg-sidebar-accent active:text-sidebar-accent-foreground [&>svg]:text-sidebar-accent-foreground flex h-7 min-w-0 -translate-x-px items-center gap-2 overflow-hidden rounded-md px-2 outline-hidden focus-visible:ring-2 disabled:pointer-events-none disabled:opacity-50 aria-disabled:pointer-events-none aria-disabled:opacity-50 [&>span:last-child]:truncate [&>svg]:size-4 [&>svg]:shrink-0",
+        "data-[active=true]:bg-sidebar-accent data-[active=true]:text-sidebar-accent-foreground",
+        size === "sm" && "text-xs",
+        size === "md" && "text-sm",
+        "group-data-[collapsible=icon]:hidden",
+        className
+      )}
+      {...props}
+    />
+  )
+}
+
+export {
+  Sidebar,
+  SidebarContent,
+  SidebarFooter,
+  SidebarGroup,
+  SidebarGroupAction,
+  SidebarGroupContent,
+  SidebarGroupLabel,
+  SidebarHeader,
+  SidebarInput,
+  SidebarInset,
+  SidebarMenu,
+  SidebarMenuAction,
+  SidebarMenuBadge,
+  SidebarMenuButton,
+  SidebarMenuItem,
+  SidebarMenuSkeleton,
+  SidebarMenuSub,
+  SidebarMenuSubButton,
+  SidebarMenuSubItem,
+  SidebarProvider,
+  SidebarRail,
+  SidebarSeparator,
+  SidebarTrigger,
+  useSidebar,
+}
diff --git a/src/components/ui/skeleton.tsx b/src/components/ui/skeleton.tsx
new file mode 100644
index 0000000..9c583d8
--- /dev/null
+++ b/src/components/ui/skeleton.tsx
@@ -0,0 +1,13 @@
+import { cn } from "@/src/lib/utils"
+
+function Skeleton({ className, ...props }: React.ComponentProps<"div">) {
+  return (
+    <div
+      data-slot="skeleton"
+      className={cn("bg-accent animate-pulse rounded-md", className)}
+      {...props}
+    />
+  )
+}
+
+export { Skeleton }
diff --git a/src/components/ui/tooltip.tsx b/src/components/ui/tooltip.tsx
new file mode 100644
index 0000000..29b252c
--- /dev/null
+++ b/src/components/ui/tooltip.tsx
@@ -0,0 +1,61 @@
+"use client"
+
+import * as React from "react"
+import * as TooltipPrimitive from "@radix-ui/react-tooltip"
+
+import { cn } from "@/src/lib/utils"
+
+function TooltipProvider({
+  delayDuration = 0,
+  ...props
+}: React.ComponentProps<typeof TooltipPrimitive.Provider>) {
+  return (
+    <TooltipPrimitive.Provider
+      data-slot="tooltip-provider"
+      delayDuration={delayDuration}
+      {...props}
+    />
+  )
+}
+
+function Tooltip({
+  ...props
+}: React.ComponentProps<typeof TooltipPrimitive.Root>) {
+  return (
+    <TooltipProvider>
+      <TooltipPrimitive.Root data-slot="tooltip" {...props} />
+    </TooltipProvider>
+  )
+}
+
+function TooltipTrigger({
+  ...props
+}: React.ComponentProps<typeof TooltipPrimitive.Trigger>) {
+  return <TooltipPrimitive.Trigger data-slot="tooltip-trigger" {...props} />
+}
+
+function TooltipContent({
+  className,
+  sideOffset = 0,
+  children,
+  ...props
+}: React.ComponentProps<typeof TooltipPrimitive.Content>) {
+  return (
+    <TooltipPrimitive.Portal>
+      <TooltipPrimitive.Content
+        data-slot="tooltip-content"
+        sideOffset={sideOffset}
+        className={cn(
+          "bg-foreground text-background animate-in fade-in-0 zoom-in-95 data-[state=closed]:animate-out data-[state=closed]:fade-out-0 data-[state=closed]:zoom-out-95 data-[side=bottom]:slide-in-from-top-2 data-[side=left]:slide-in-from-right-2 data-[side=right]:slide-in-from-left-2 data-[side=top]:slide-in-from-bottom-2 z-50 w-fit origin-(--radix-tooltip-content-transform-origin) rounded-md px-3 py-1.5 text-xs text-balance",
+          className
+        )}
+        {...props}
+      >
+        {children}
+        <TooltipPrimitive.Arrow className="bg-foreground fill-foreground z-50 size-2.5 translate-y-[calc(-50%_-_2px)] rotate-45 rounded-[2px]" />
+      </TooltipPrimitive.Content>
+    </TooltipPrimitive.Portal>
+  )
+}
+
+export { Tooltip, TooltipTrigger, TooltipContent, TooltipProvider }
diff --git a/src/hooks/use-mobile.ts b/src/hooks/use-mobile.ts
new file mode 100644
index 0000000..502fd32
--- /dev/null
+++ b/src/hooks/use-mobile.ts
@@ -0,0 +1,19 @@
+import * as React from "react";
+
+const MOBILE_BREAKPOINT = 768;
+
+export function useIsMobile() {
+  const [isMobile, setIsMobile] = React.useState<boolean | undefined>(undefined);
+
+  React.useEffect(() => {
+    const mql = window.matchMedia(`(max-width: ${MOBILE_BREAKPOINT - 1}px)`);
+    const onChange = () => {
+      setIsMobile(window.innerWidth < MOBILE_BREAKPOINT);
+    };
+    mql.addEventListener("change", onChange);
+    setIsMobile(window.innerWidth < MOBILE_BREAKPOINT);
+    return () => mql.removeEventListener("change", onChange);
+  }, []);
+
+  return !!isMobile;
+}
diff --git a/src/lib/prisma.ts b/src/lib/prisma.ts
index ace90dc..048737e 100644
--- a/src/lib/prisma.ts
+++ b/src/lib/prisma.ts
@@ -6,6 +6,18 @@ export const prisma =
   globalForPrisma.prisma ||
   new PrismaClient({
     log: ["query", "error", "warn"],
+    datasources: {
+      db: {
+        url: process.env.DATABASE_URL,
+      },
+    },
   });
 
 if (process.env.NODE_ENV !== "production") globalForPrisma.prisma = prisma;
+
+// Graceful shutdown handler for development
+if (process.env.NODE_ENV !== "production") {
+  process.on("beforeExit", async () => {
+    await prisma.$disconnect();
+  });
+}
diff --git a/src/middleware.ts b/src/middleware.ts
index 58791a6..439dc96 100644
--- a/src/middleware.ts
+++ b/src/middleware.ts
@@ -29,7 +29,7 @@ export async function middleware(request: NextRequest) {
   } = await supabase.auth.getUser();
 
   // Protected routes
-  const protectedRoutes = ["/dashboard", "/profile", "/trainings"];
+  const protectedRoutes = ["/dashboard", "/profile", "/trainings", "/courses"];
   const isProtectedRoute = protectedRoutes.some((route) =>
     request.nextUrl.pathname.startsWith(route)
   );
diff --git a/src/modules/dashboard/ui/components/DashboardFooter.tsx b/src/modules/dashboard/ui/components/DashboardFooter.tsx
new file mode 100644
index 0000000..9a38171
--- /dev/null
+++ b/src/modules/dashboard/ui/components/DashboardFooter.tsx
@@ -0,0 +1,41 @@
+"use client";
+import { HelpCircle, Settings } from "lucide-react";
+import Link from "next/link";
+
+const footerMenu = [
+  {
+    icon: Settings,
+    label: "Einstellungen",
+    href: "/settings",
+  },
+  {
+    icon: HelpCircle,
+    label: "Hilfe",
+    href: "/help",
+  },
+];
+
+interface DashboardFooterProps {
+  displayName: string;
+}
+
+const DashboardFooter = ({ displayName }: DashboardFooterProps) => {
+  return (
+    <div>
+      {footerMenu.map((item) => (
+        <div key={item.href}>
+          <Link href={item.href} className="flex items-center gap-3 w-full">
+            <item.icon size={18} />
+            <span className="text-md font-medium tracking-tight mt-1">{item.label}</span>
+          </Link>
+        </div>
+      ))}
+      <div className="w-full flex items-center gap-4 p-2 mt-4">
+        <div className="w-10 h-10 bg-black rounded-full" />
+        <p>{displayName}</p>
+      </div>
+    </div>
+  );
+};
+
+export default DashboardFooter;
diff --git a/src/modules/dashboard/ui/components/DashboardNavbar.tsx b/src/modules/dashboard/ui/components/DashboardNavbar.tsx
new file mode 100644
index 0000000..215e216
--- /dev/null
+++ b/src/modules/dashboard/ui/components/DashboardNavbar.tsx
@@ -0,0 +1,39 @@
+"use client";
+
+import { Button } from "@/src/components/ui/button";
+import { useSidebar } from "@/src/components/ui/sidebar";
+import { PanelLeftCloseIcon, PanelLeftIcon } from "lucide-react";
+import { usePathname } from "next/navigation";
+
+const menuTitles: Record<string, string> = {
+  "/dashboard": "Dashboard",
+  "/courses": "Kurse",
+};
+
+const DashboardNavbar = () => {
+  const { state, toggleSidebar, isMobile } = useSidebar();
+  const pathname = usePathname();
+
+  const pageTitle = menuTitles[pathname] || "Dashboard";
+
+  return (
+    <div>
+      <div className="flex gap-x-4 items-center py-4 bg-muted">
+        <Button className="size-9 cursor-pointer" variant="outline" onClick={toggleSidebar}>
+          {state === "collapsed" || isMobile ? (
+            <PanelLeftIcon className="size-4" />
+          ) : (
+            <PanelLeftCloseIcon className="size-4" />
+          )}
+        </Button>
+
+        <div className="w-px h-6 bg-border" />
+
+        <h1 className="text-xl font-semibold mt-1">{pageTitle}</h1>
+      </div>
+      <hr className="mb-8" />
+    </div>
+  );
+};
+
+export default DashboardNavbar;
diff --git a/src/modules/dashboard/ui/components/DashboardSidebar.tsx b/src/modules/dashboard/ui/components/DashboardSidebar.tsx
new file mode 100644
index 0000000..ba94918
--- /dev/null
+++ b/src/modules/dashboard/ui/components/DashboardSidebar.tsx
@@ -0,0 +1,139 @@
+"use client";
+import {
+  Sidebar,
+  SidebarContent,
+  SidebarFooter,
+  SidebarGroup,
+  SidebarGroupContent,
+  SidebarHeader,
+  SidebarMenu,
+  SidebarMenuButton,
+  SidebarMenuItem,
+} from "@/src/components/ui/sidebar";
+import {
+  ChartNoAxesCombined,
+  CreditCard,
+  DoorOpen,
+  Dumbbell,
+  IdCardLanyard,
+  LayoutDashboard,
+  MapPinned,
+  User,
+} from "lucide-react";
+
+import Image from "next/image";
+import Link from "next/link";
+import { usePathname } from "next/navigation";
+import Logo from "@/src/public/logo-dark.png";
+import { cn } from "@/src/lib/utils";
+import DashboardFooter from "./DashboardFooter";
+import type { AuthUserData } from "@/src/lib/auth/getUser";
+
+const allMenuItems = [
+  {
+    icon: LayoutDashboard,
+    label: "Dashboard",
+    href: "/dashboard",
+    roles: ["manager", "user"],
+  },
+  {
+    icon: Dumbbell,
+    label: "Kurse",
+    href: "/courses",
+    roles: ["manager", "user"],
+  },
+  {
+    icon: IdCardLanyard,
+    label: "Trainer",
+    href: "/trainer",
+    roles: ["manager"],
+  },
+  {
+    icon: User,
+    label: "Kunden",
+    href: "/kunden",
+    roles: ["manager"],
+  },
+  {
+    icon: CreditCard,
+    label: "Zahlungen",
+    href: "/zahlungen",
+    roles: ["manager"],
+  },
+  {
+    icon: DoorOpen,
+    label: "Räume",
+    href: "/raume",
+    roles: ["manager"],
+  },
+  {
+    icon: ChartNoAxesCombined,
+    label: "Marketing",
+    href: "/marketing",
+    roles: ["manager"],
+  },
+  {
+    icon: MapPinned,
+    label: "Standorte",
+    href: "/standorte",
+    roles: ["manager"],
+  },
+];
+
+interface DashboardSidebarProps {
+  userData: AuthUserData;
+  displayName: string;
+}
+
+const DashboardSidebar = ({ userData, displayName }: DashboardSidebarProps) => {
+  const pathname = usePathname();
+  const userRole = userData.role;
+
+  // Filter menu items based on user role
+  const menu = allMenuItems.filter((item) => item.roles.includes(userRole));
+
+  return (
+    <Sidebar>
+      <SidebarHeader className="text-sidebar-accent-foreground">
+        <Link href="/" className="flex justify-center items-center gap-2 px-2 pt-2">
+          <Image src={Logo} height={65} alt="Cloud_Clipboard" />
+        </Link>
+      </SidebarHeader>
+
+      <SidebarContent>
+        <SidebarGroup>
+          <SidebarGroupContent>
+            <SidebarMenu className="mt-10">
+              {menu.map((item) => (
+                <SidebarMenuItem key={item.href}>
+                  <SidebarMenuButton
+                    asChild
+                    className={cn(
+                      "h-10 hover:bg-linear-to-r/oklch border border-transparent hover:border-[#5D6B68]/10 from-sidebar-accent from-5% via-30% via-sidebar/50 to-sidebar/50",
+                      pathname === item.href && "bg-linear-to-r/oklch border-[#5D6B68]/10 "
+                    )}
+                    isActive={pathname === item.href}
+                  >
+                    <Link href={item.href} className="flex items-center gap-3 w-full">
+                      <item.icon className={cn(pathname === item.href && "text-blue")} />
+                      <span
+                        className={`${pathname === item.href && "text-blue font-semibold"} text-lg font-medium tracking-tight mt-1.5`}
+                      >
+                        {item.label}
+                      </span>
+                    </Link>
+                  </SidebarMenuButton>
+                </SidebarMenuItem>
+              ))}
+            </SidebarMenu>
+          </SidebarGroupContent>
+        </SidebarGroup>
+      </SidebarContent>
+      <SidebarFooter>
+        <DashboardFooter displayName={displayName} />
+      </SidebarFooter>
+    </Sidebar>
+  );
+};
+
+export default DashboardSidebar;
diff --git a/src/modules/dashboard/ui/components/DashboardSidebarWrapper.tsx b/src/modules/dashboard/ui/components/DashboardSidebarWrapper.tsx
new file mode 100644
index 0000000..549dedb
--- /dev/null
+++ b/src/modules/dashboard/ui/components/DashboardSidebarWrapper.tsx
@@ -0,0 +1,13 @@
+import { requireAuthWithData, isManager } from "@/src/lib/auth/getUser";
+import DashboardSidebar from "./DashboardSidebar";
+
+const DashboardSidebarWrapper = async () => {
+  const userData = await requireAuthWithData();
+  const displayName = isManager(userData)
+    ? `${userData.firstName} ${userData.lastName}`
+    : userData.name || userData.email;
+
+  return <DashboardSidebar userData={userData} displayName={displayName} />;
+};
+
+export default DashboardSidebarWrapper;
diff --git a/src/modules/dashboard/ui/views/dashboard-view.tsx b/src/modules/dashboard/ui/views/dashboard-view.tsx
new file mode 100644
index 0000000..6a3e9fb
--- /dev/null
+++ b/src/modules/dashboard/ui/views/dashboard-view.tsx
@@ -0,0 +1,143 @@
+import { LogoutButton } from "@/src/components/layout/LogoutButton";
+import { isManager, requireAuthWithData, isUser } from "@/src/lib/auth/getUser";
+
+const DashboardView = async () => {
+  const userData = await requireAuthWithData();
+
+  // Get display name based on user type
+  const displayName = isManager(userData)
+    ? `${userData.firstName} ${userData.lastName}`
+    : userData.name || userData.email;
+
+  return (
+    <div className="space-y-6">
+      <div className="bg-white rounded-lg shadow p-6">
+        <h1 className="text-3xl font-bold text-gray-900 mb-4">Willkommen zurück!</h1>
+        <p className="text-gray-600">Schön, dich wiederzusehen, {displayName}</p>
+        {isManager(userData) && (
+          <span className="inline-block mt-2 px-3 py-1 bg-blue-100 text-blue-800 text-sm font-medium rounded-full">
+            Manager
+          </span>
+        )}
+      </div>
+
+      <div className="grid grid-cols-1 md:grid-cols-2 lg:grid-cols-3 gap-6">
+        <div className="bg-white rounded-lg shadow p-6">
+          <h2 className="text-lg font-semibold mb-2">Profil</h2>
+          <p className="text-gray-600 text-sm">Verwalte deine persönlichen Daten</p>
+        </div>
+
+        {isManager(userData) ? (
+          <div className="bg-white rounded-lg shadow p-6">
+            <h2 className="text-lg font-semibold mb-2">Meine Businesses</h2>
+            <p className="text-gray-600 text-sm">
+              {userData.businesses.length}{" "}
+              {userData.businesses.length === 1 ? "Business" : "Businesses"}
+            </p>
+          </div>
+        ) : (
+          <div className="bg-white rounded-lg shadow p-6">
+            <h2 className="text-lg font-semibold mb-2">Trainings</h2>
+            <p className="text-gray-600 text-sm">Deine gebuchten Trainingseinheiten</p>
+          </div>
+        )}
+
+        <div className="bg-white rounded-lg shadow p-6">
+          <h2 className="text-lg font-semibold mb-2">Einstellungen</h2>
+          <p className="text-gray-600 text-sm">Passe deine Einstellungen an</p>
+        </div>
+      </div>
+
+      {isUser(userData) && (
+        <div className="bg-white rounded-lg shadow p-6">
+          <h2 className="text-xl font-semibold mb-4">Benutzerdaten</h2>
+          <dl className="grid grid-cols-1 md:grid-cols-2 gap-4">
+            <div>
+              <dt className="text-sm font-medium text-gray-500">Name</dt>
+              <dd className="mt-1 text-sm text-gray-900">{userData.name || "—"}</dd>
+            </div>
+            <div>
+              <dt className="text-sm font-medium text-gray-500">E-Mail</dt>
+              <dd className="mt-1 text-sm text-gray-900">{userData.email}</dd>
+            </div>
+            <div>
+              <dt className="text-sm font-medium text-gray-500">Geburtsdatum</dt>
+              <dd className="mt-1 text-sm text-gray-900">
+                {userData.birthday ? new Date(userData.birthday).toLocaleDateString("de-DE") : "—"}
+              </dd>
+            </div>
+            <div>
+              <dt className="text-sm font-medium text-gray-500">Wohnort</dt>
+              <dd className="mt-1 text-sm text-gray-900">
+                {userData.plz && userData.city ? `${userData.plz} ${userData.city}` : "—"}
+              </dd>
+            </div>
+            <div>
+              <dt className="text-sm font-medium text-gray-500">Geschlecht</dt>
+              <dd className="mt-1 text-sm text-gray-900">{userData.gender || "—"}</dd>
+            </div>
+            <div>
+              <dt className="text-sm font-medium text-gray-500">Registriert seit</dt>
+              <dd className="mt-1 text-sm text-gray-900">
+                {userData.createdAt
+                  ? new Date(userData.createdAt).toLocaleDateString("de-DE")
+                  : "—"}
+              </dd>
+            </div>
+          </dl>
+        </div>
+      )}
+
+      {isManager(userData) && (
+        <div className="bg-white rounded-lg shadow p-6">
+          <h2 className="text-xl font-semibold mb-4">Manager-Daten</h2>
+          <dl className="grid grid-cols-1 md:grid-cols-2 gap-4">
+            <div>
+              <dt className="text-sm font-medium text-gray-500">Vorname</dt>
+              <dd className="mt-1 text-sm text-gray-900">{userData.firstName}</dd>
+            </div>
+            <div>
+              <dt className="text-sm font-medium text-gray-500">Nachname</dt>
+              <dd className="mt-1 text-sm text-gray-900">{userData.lastName}</dd>
+            </div>
+            <div>
+              <dt className="text-sm font-medium text-gray-500">E-Mail</dt>
+              <dd className="mt-1 text-sm text-gray-900">{userData.email}</dd>
+            </div>
+            <div>
+              <dt className="text-sm font-medium text-gray-500">Telefon</dt>
+              <dd className="mt-1 text-sm text-gray-900">{userData.tel || "—"}</dd>
+            </div>
+            <div>
+              <dt className="text-sm font-medium text-gray-500">Registriert seit</dt>
+              <dd className="mt-1 text-sm text-gray-900">
+                {userData.createdAt
+                  ? new Date(userData.createdAt).toLocaleDateString("de-DE")
+                  : "—"}
+              </dd>
+            </div>
+          </dl>
+        </div>
+      )}
+
+      {isManager(userData) && userData.businesses.length > 0 && (
+        <div className="bg-white rounded-lg shadow p-6">
+          <h2 className="text-xl font-semibold mb-4">Meine Businesses</h2>
+          <div className="space-y-4">
+            {userData.businesses.map((business) => (
+              <div key={business.id} className="border-l-4 border-blue-500 pl-4 py-2">
+                <h3 className="text-lg font-semibold text-gray-900">{business.name}</h3>
+                <p className="text-sm text-gray-600 mt-1">{business.address}</p>
+                <p className="text-sm text-gray-600">{business.email}</p>
+              </div>
+            ))}
+          </div>
+        </div>
+      )}
+
+      <LogoutButton />
+    </div>
+  );
+};
+
+export default DashboardView;
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