diff --git a/.phase26-state.json b/.phase26-state.json
index c5dffe6..4fa9a42 100644
--- a/.phase26-state.json
+++ b/.phase26-state.json
@@ -1,8 +1,9 @@
 {
   "completed_features": [],
-  "current_feature": "empty-state-illustrations",
+  "current_feature": "confirm-modal",
   "started_at": "2026-05-23T08:51:33.874805",
   "attempted_features": [
-    "loading-skeletons"
+    "loading-skeletons",
+    "empty-state-illustrations"
   ]
 }
\ No newline at end of file
diff --git a/GENERATION_LOG.md b/GENERATION_LOG.md
index 19a277d..65cac8f 100644
--- a/GENERATION_LOG.md
+++ b/GENERATION_LOG.md
@@ -3037,3 +3037,21 @@ 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>, 
+- `08:52:00` **INFO**   Committed feature empty-state-illustrations
+- `08:52:00` **INFO**   Pushed: rc=0
+
+## Phase-3 Feature: confirm-modal (2026-05-23 08:52:00)
+
+- `08:52:00` **INFO** Description: Reusable Confirm-Modal statt window.confirm()
+- `08:52:00` **INFO**   Generating apps/web/src/components/ConfirmModal.tsx (ConfirmModal-Component. Props: open, onClose, onConfirm, title, messag…)
+- `08:52:16` **INFO**     wrote 1754 chars in 16.0s (attempt 1)
+- `08:52:16` **INFO** Running tsc --noEmit on api…
+- `08:52:18` **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/ConfirmModal.tsx b/apps/web/src/components/ConfirmModal.tsx
new file mode 100644
index 0000000..2efec29
--- /dev/null
+++ b/apps/web/src/components/ConfirmModal.tsx
@@ -0,0 +1,62 @@
+import React from 'react';
+
+interface ConfirmModalProps {
+  open: boolean;
+  onClose: () => void;
+  onConfirm: () => void;
+  title: string;
+  message: string;
+  confirmLabel?: string;
+  danger?: boolean;
+}
+
+export default function ConfirmModal({
+  open,
+  onClose,
+  onConfirm,
+  title,
+  message,
+  confirmLabel = 'Bestätigen',
+  danger = false,
+}: ConfirmModalProps) {
+  if (!open) return null;
+
+  return (
+    <div className="fixed inset-0 z-50 flex items-center justify-center p-4 bg-black/50 backdrop-blur-sm">
+      <div 
+        className="bg-white dark:bg-slate-900 w-full max-w-md rounded-lg shadow-xl overflow-hidden"
+        onClick={(e) => e.stopPropagation()}
+      >
+        <div className="p-6">
+          <h3 className="text-lg font-semibold text-slate-900 dark:text-white">
+            {title}
+          </h3>
+          <p className="mt-2 text-sm text-slate-600 dark:text-slate-400">
+            {message}
+          </p>
+        </div>
+        <div className="flex justify-end gap-3 p-4 bg-slate-50 dark:bg-slate-800/50">
+          <button
+            onClick={onClose}
+            className="px-4 py-2 text-sm font-medium text-slate-700 dark:text-slate-300 hover:bg-slate-200 dark:hover:bg-slate-700 rounded-md transition-colors"
+          >
+            Abbrechen
+          </button>
+          <button
+            onClick={() => {
+              onConfirm();
+              onClose();
+            }}
+            className={`px-4 py-2 text-sm font-medium text-white rounded-md transition-colors ${
+              danger 
+                ? 'bg-red-600 hover:bg-red-700' 
+                : 'bg-blue-600 hover:bg-blue-700'
+            }`}
+          >
+            {confirmLabel}
+          </button>
+        </div>
+      </div>
+    </div>
+  );
+}
\ No newline at end of file