diff --git a/.phase26-state.json b/.phase26-state.json
index 4fa9a42..ec2a79a 100644
--- a/.phase26-state.json
+++ b/.phase26-state.json
@@ -1,9 +1,10 @@
 {
   "completed_features": [],
-  "current_feature": "confirm-modal",
+  "current_feature": "hover-tooltips",
   "started_at": "2026-05-23T08:51:33.874805",
   "attempted_features": [
     "loading-skeletons",
-    "empty-state-illustrations"
+    "empty-state-illustrations",
+    "confirm-modal"
   ]
 }
\ No newline at end of file
diff --git a/GENERATION_LOG.md b/GENERATION_LOG.md
index 65cac8f..645f69b 100644
--- a/GENERATION_LOG.md
+++ b/GENERATION_LOG.md
@@ -3055,3 +3055,21 @@ src/index.ts(27,25): error TS2769: No overload matches this call.
   Overload 1 of 3, '(plugin: FastifyPluginCallback<{ limits: { fileSize: number; }; }, RawServerDefault, FastifyTypeProvider, FastifyBaseLogger>, opts?: FastifyRegisterOptions<...> | undefined): FastifyInstance<...> & PromiseLike<...>', gave the following error.
     Argument of type 'Promise<FastifyMultipartPlugin>' is not assignable to parameter of type 'FastifyPluginCallback<{ limits: { fileSize: number; }; }, RawServerDefault, FastifyTypeProvider, FastifyBaseLogger>'.
       Type 'Promise<FastifyMultipartPlugin>' provides no match for the signature '(instance: FastifyInstance<RawServerDefault, IncomingMessage, ServerResponse<IncomingMessage>, 
+- `08:52:18` **INFO**   Committed feature confirm-modal
+- `08:52:19` **INFO**   Pushed: rc=0
+
+## Phase-3 Feature: hover-tooltips (2026-05-23 08:52:19)
+
+- `08:52:19` **INFO** Description: Tooltip-Component (für Icon-Only-Buttons)
+- `08:52:19` **INFO**   Generating apps/web/src/components/Tooltip.tsx (Tooltip-Component. Props: children, content (string). On hover: zeigt …)
+- `08:52:24` **INFO**     wrote 656 chars in 5.8s (attempt 1)
+- `08:52:24` **INFO** Running tsc --noEmit on api…
+- `08:52:26` **WARN**   tsc errors:
+src/db/schema.ts(37,14): error TS7022: 'customers' implicitly has type 'any' because it does not have a type annotation and is referenced directly or indirectly in its own initializer.
+src/db/schema.ts(43,59): error TS7024: Function implicitly has return type 'any' because it does not have a return type annotation and is referenced directly or indirectly in one of its return expressions.
+src/db/schema.ts(47,14): error TS7022: 'projects' implicitly has type 'any' because it does not have a type annotation and is referenced directly or indirectly in its own initializer.
+src/db/schema.ts(51,56): error TS7024: Function implicitly has return type 'any' because it does not have a return type annotation and is referenced directly or indirectly in one of its return expressions.
+src/index.ts(27,25): error TS2769: No overload matches this call.
+  Overload 1 of 3, '(plugin: FastifyPluginCallback<{ limits: { fileSize: number; }; }, RawServerDefault, FastifyTypeProvider, FastifyBaseLogger>, opts?: FastifyRegisterOptions<...> | undefined): FastifyInstance<...> & PromiseLike<...>', gave the following error.
+    Argument of type 'Promise<FastifyMultipartPlugin>' is not assignable to parameter of type 'FastifyPluginCallback<{ limits: { fileSize: number; }; }, RawServerDefault, FastifyTypeProvider, FastifyBaseLogger>'.
+      Type 'Promise<FastifyMultipartPlugin>' provides no match for the signature '(instance: FastifyInstance<RawServerDefault, IncomingMessage, ServerResponse<IncomingMessage>, 
diff --git a/apps/web/src/components/Tooltip.tsx b/apps/web/src/components/Tooltip.tsx
new file mode 100644
index 0000000..8f7b824
--- /dev/null
+++ b/apps/web/src/components/Tooltip.tsx
@@ -0,0 +1,20 @@
+import React, { ReactNode } from 'react';
+
+interface TooltipProps {
+  children: ReactNode;
+  content: string;
+}
+
+export const Tooltip = ({ children, content }: TooltipProps) => {
+  return (
+    <div className="relative group inline-block">
+      {children}
+      <div className="absolute bottom-full right-0 mb-2 hidden group-hover:flex items-center justify-center">
+        <div className="relative z-10 px-2 py-1 text-xs font-medium text-white bg-gray-900 rounded shadow-sm whitespace-nowrap">
+          {content}
+          <div className="absolute top-full right-1.5 -mt-1 w-2 h-2 bg-gray-900 rotate-45" />
+        </div>
+      </div>
+    </div>
+  );
+};
\ No newline at end of file