fix confirm dialog not working on mobile

frontend/src/app/stories/[id]/edit/page.tsx

@@ -12,6 +12,7 @@ import ImageUpload from '../../../../components/ui/ImageUpload';
 import AuthorSelector from '../../../../components/stories/AuthorSelector';
 import SeriesSelector from '../../../../components/stories/SeriesSelector';
 import LoadingSpinner from '../../../../components/ui/LoadingSpinner';
+import ConfirmDialog from '../../../../components/ui/ConfirmDialog';
 import { storyApi } from '../../../../lib/api';
 import { Story } from '../../../../types/api';
 
@@ -26,6 +27,7 @@ export default function EditStoryPage() {
   const [processingImages, setProcessingImages] = useState(false);
   const [resetingPosition, setResetingPosition] = useState(false);
   const [errors, setErrors] = useState<Record<string, string>>({});
+  const [confirmDialog, setConfirmDialog] = useState<{ type: 'delete' | 'reset' } | null>(null);
   
   const [formData, setFormData] = useState({
     title: '',
@@ -252,18 +254,18 @@ export default function EditStoryPage() {
     }
   };
 
-  const handleResetReadingPosition = async () => {
-    if (!story || !confirm('Are you sure you want to reset the reading position to the beginning? This will remove your current place in the story.')) {
-      return;
-    }
+  const handleResetReadingPosition = () => {
+    if (!story || !story.readingPosition || story.readingPosition === 0) return;
+    setConfirmDialog({ type: 'reset' });
+  };
 
+  const confirmResetReadingPosition = async () => {
+    setConfirmDialog(null);
     try {
       setResetingPosition(true);
       await storyApi.updateReadingProgress(storyId, 0);
       setStory(prev => prev ? { ...prev, readingPosition: 0 } : null);
-      // Show success feedback
       setErrors({ resetSuccess: 'Reading position reset! The story will start from the beginning next time you read it.' });
-      // Clear success message after 4 seconds
       setTimeout(() => {
         setErrors(prev => {
           const { resetSuccess, ...rest } = prev;
@@ -278,11 +280,13 @@ export default function EditStoryPage() {
     }
   };
 
-  const handleDelete = async () => {
-    if (!story || !confirm('Are you sure you want to delete this story? This action cannot be undone.')) {
-      return;
-    }
+  const handleDelete = () => {
+    if (!story) return;
+    setConfirmDialog({ type: 'delete' });
+  };
 
+  const confirmDelete = async () => {
+    setConfirmDialog(null);
     try {
       setSaving(true);
       await storyApi.deleteStory(storyId);
@@ -525,6 +529,25 @@ export default function EditStoryPage() {
           </div>
         </form>
       </div>
+
+      <ConfirmDialog
+        isOpen={confirmDialog?.type === 'reset'}
+        title="Reset Reading Position"
+        message="Are you sure you want to reset the reading position to the beginning? This will remove your current place in the story."
+        confirmLabel="Reset"
+        onConfirm={confirmResetReadingPosition}
+        onCancel={() => setConfirmDialog(null)}
+      />
+
+      <ConfirmDialog
+        isOpen={confirmDialog?.type === 'delete'}
+        title="Delete Story"
+        message="Are you sure you want to delete this story? This action cannot be undone."
+        confirmLabel="Delete"
+        danger
+        onConfirm={confirmDelete}
+        onCancel={() => setConfirmDialog(null)}
+      />
     </AppLayout>
   );
 }

frontend/src/components/ui/ConfirmDialog.tsx

@@ -0,0 +1,64 @@
+'use client';
+
+import { useEffect } from 'react';
+import Button from './Button';
+
+interface ConfirmDialogProps {
+  isOpen: boolean;
+  title: string;
+  message: string;
+  confirmLabel?: string;
+  cancelLabel?: string;
+  danger?: boolean;
+  onConfirm: () => void;
+  onCancel: () => void;
+}
+
+export default function ConfirmDialog({
+  isOpen,
+  title,
+  message,
+  confirmLabel = 'Confirm',
+  cancelLabel = 'Cancel',
+  danger = false,
+  onConfirm,
+  onCancel,
+}: ConfirmDialogProps) {
+  useEffect(() => {
+    if (!isOpen) return;
+    const onKey = (e: KeyboardEvent) => {
+      if (e.key === 'Escape') onCancel();
+    };
+    document.addEventListener('keydown', onKey);
+    return () => document.removeEventListener('keydown', onKey);
+  }, [isOpen, onCancel]);
+
+  if (!isOpen) return null;
+
+  return (
+    <div
+      className="fixed inset-0 bg-black bg-opacity-50 flex items-center justify-center z-50 p-4"
+      onClick={onCancel}
+    >
+      <div
+        className="theme-card rounded-lg shadow-xl max-w-md w-full p-6"
+        onClick={(e) => e.stopPropagation()}
+      >
+        <h2 className="text-lg font-semibold theme-header mb-2">{title}</h2>
+        <p className="theme-text text-sm mb-6">{message}</p>
+        <div className="flex justify-end gap-3">
+          <Button type="button" variant="ghost" onClick={onCancel}>
+            {cancelLabel}
+          </Button>
+          <Button
+            type="button"
+            variant={danger ? 'danger' : 'primary'}
+            onClick={onConfirm}
+          >
+            {confirmLabel}
+          </Button>
+        </div>
+      </div>
+    </div>
+  );
+}