diff --git a/ui/src/app/datasets/[datasetName]/page.tsx b/ui/src/app/datasets/[datasetName]/page.tsx
index dcba4736..7d457f59 100644
--- a/ui/src/app/datasets/[datasetName]/page.tsx
+++ b/ui/src/app/datasets/[datasetName]/page.tsx
@@ -5,10 +5,9 @@ import { LuImageOff, LuLoader, LuBan } from 'react-icons/lu';
 import { FaChevronLeft } from 'react-icons/fa';
 import DatasetImageCard from '@/components/DatasetImageCard';
 import { Button } from '@headlessui/react';
-import AddImagesModal, { openImagesModal } from '@/components/AddImagesModal';
+import AddImagesModal, { openImagesModal, useOpenImagesModalOnDrag } from '@/components/AddImagesModal';
 import { TopBar, MainContent } from '@/components/layout';
 import { apiClient } from '@/utils/api';
-import FullscreenDropOverlay from '@/components/FullscreenDropOverlay';
 
 export default function DatasetPage({ params }: { params: { datasetName: string } }) {
   const [imgList, setImgList] = useState<{ img_path: string }[]>([]);
@@ -34,6 +33,8 @@ export default function DatasetPage({ params }: { params: { datasetName: string
         setStatus('error');
       });
   };
+  useOpenImagesModalOnDrag(datasetName, () => refreshImageList(datasetName));
+
   useEffect(() => {
     if (datasetName) {
       refreshImageList(datasetName);
@@ -128,10 +129,6 @@ export default function DatasetPage({ params }: { params: { datasetName: string
         )}
       </MainContent>
       <AddImagesModal />
-      <FullscreenDropOverlay
-        datasetName={datasetName}
-        onComplete={() => refreshImageList(datasetName)}
-      />
     </>
   );
 }
diff --git a/ui/src/components/AddImagesModal.tsx b/ui/src/components/AddImagesModal.tsx
index 57d08300..074b7f7d 100644
--- a/ui/src/components/AddImagesModal.tsx
+++ b/ui/src/components/AddImagesModal.tsx
@@ -1,12 +1,15 @@
 'use client';
 import { createGlobalState } from 'react-global-hooks';
 import { Dialog, DialogBackdrop, DialogPanel, DialogTitle } from '@headlessui/react';
-import { FaUpload } from 'react-icons/fa';
-import { useEffect, useRef } from 'react';
+import { FaUpload, FaTimesCircle, FaSpinner } from 'react-icons/fa';
+import { useCallback, useEffect, useMemo, useRef, useState } from 'react';
+import { useDropzone } from 'react-dropzone';
+import { apiClient } from '@/utils/api';
 
 export interface AddImagesModalState {
   datasetName: string;
   onComplete?: () => void;
+  openedByDrag?: boolean;
 }
 
 export const addImagesModalState = createGlobalState<AddImagesModalState | null>(null);
@@ -15,39 +18,227 @@ export const openImagesModal = (datasetName: string, onComplete: () => void) =>
   addImagesModalState.set({ datasetName, onComplete });
 };
 
-export default function AddImagesModal() {
-  const [addImagesModalInfo, setAddImagesModalInfo] = addImagesModalState.use();
-  const open = addImagesModalInfo !== null;
-  const panelRef = useRef<HTMLDivElement>(null);
+/** Call on a page that knows its datasetName — auto-opens the modal when files are dragged onto the page. */
+export function useOpenImagesModalOnDrag(datasetName: string, onComplete: () => void) {
+  const onCompleteRef = useRef(onComplete);
+  onCompleteRef.current = onComplete;
 
-  const onCancel = () => {
-    setAddImagesModalInfo(null);
-  };
-
-  const onDone = () => {
-    if (addImagesModalInfo?.onComplete) {
-      addImagesModalInfo.onComplete();
-    }
-    setAddImagesModalInfo(null);
-  };
-
-  // Close modal as soon as files are dragged in so the FullscreenDropOverlay can handle the drop
   useEffect(() => {
-    if (!open) return;
+    if (!datasetName) return;
 
-    const handleDragEnter = (e: DragEvent) => {
+    let depth = 0;
+    const isFileDrag = (e: DragEvent) => {
       const types = e?.dataTransfer?.types;
-      if (types && Array.from(types).includes('Files')) {
-        setAddImagesModalInfo(null);
+      return !!types && Array.from(types).includes('Files');
+    };
+
+    const onDragEnter = (e: DragEvent) => {
+      if (!isFileDrag(e)) return;
+      depth += 1;
+      if (depth === 1) {
+        if (!addImagesModalState.get()) {
+          addImagesModalState.set({ datasetName, onComplete: onCompleteRef.current, openedByDrag: true });
+        }
+      }
+      e.preventDefault();
+    };
+    const onDragLeave = (e: DragEvent) => {
+      if (!isFileDrag(e)) return;
+      depth = Math.max(0, depth - 1);
+      if (depth === 0) {
+        const current = addImagesModalState.get();
+        if (current?.openedByDrag) {
+          addImagesModalState.set(null);
+        }
+      }
+    };
+    const onDrop = (e: DragEvent) => {
+      if (!isFileDrag(e)) return;
+      depth = 0;
+      // Files were dropped — modal is now committed, no longer dismissable by drag-out
+      const current = addImagesModalState.get();
+      if (current?.openedByDrag) {
+        addImagesModalState.set({ ...current, openedByDrag: false });
       }
     };
 
-    window.addEventListener('dragenter', handleDragEnter);
-    return () => window.removeEventListener('dragenter', handleDragEnter);
-  }, [open, setAddImagesModalInfo]);
+    window.addEventListener('dragenter', onDragEnter);
+    window.addEventListener('dragleave', onDragLeave);
+    window.addEventListener('drop', onDrop);
+    return () => {
+      window.removeEventListener('dragenter', onDragEnter);
+      window.removeEventListener('dragleave', onDragLeave);
+      window.removeEventListener('drop', onDrop);
+    };
+  }, [datasetName]);
+}
+
+type AcceptMap = { [mime: string]: string[] };
+type FileStatus = 'pending' | 'uploading' | 'error';
+
+interface FileEntry {
+  id: number;
+  file: File;
+  status: FileStatus;
+  progress: number;
+  error?: string;
+}
+
+const MAX_CONCURRENT = 3;
+const ROW_HEIGHT = 32;
+const VISIBLE_ROWS = 8;
+
+let nextId = 0;
+
+export default function AddImagesModal() {
+  const [modalInfo, setModalInfo] = addImagesModalState.use();
+  const open = modalInfo !== null;
+
+  const [isUploading, setIsUploading] = useState(false);
+  const [fileEntries, setFileEntries] = useState<FileEntry[]>([]);
+  const [totalCount, setTotalCount] = useState(0);
+  const [doneCount, setDoneCount] = useState(0);
+  const [errorCount, setErrorCount] = useState(0);
+  const abortRef = useRef(false);
+  const modalInfoRef = useRef(modalInfo);
+  modalInfoRef.current = modalInfo;
+
+  const datasetName = modalInfo?.datasetName ?? '';
+
+  const uploadSingleFile = useCallback(
+    async (entry: FileEntry): Promise<'done' | 'error'> => {
+      if (abortRef.current) return 'error';
+
+      const id = entry.id;
+      setFileEntries(prev =>
+        prev.map(e => (e.id === id ? { ...e, status: 'uploading' as FileStatus, progress: 0 } : e)),
+      );
+
+      const formData = new FormData();
+      formData.append('files', entry.file);
+      formData.append('datasetName', datasetName || '');
+
+      try {
+        await apiClient.post('/api/datasets/upload', formData, {
+          headers: { 'Content-Type': 'multipart/form-data' },
+          onUploadProgress: pe => {
+            const percent = Math.round(((pe.loaded || 0) * 100) / (pe.total || pe.loaded || 1));
+            setFileEntries(prev => prev.map(e => (e.id === id ? { ...e, progress: percent } : e)));
+          },
+          timeout: 0,
+        });
+        setFileEntries(prev => prev.filter(e => e.id !== id));
+        setDoneCount(prev => prev + 1);
+        return 'done';
+      } catch (err) {
+        console.error(`Upload failed for ${entry.file.name}:`, err);
+        setFileEntries(prev =>
+          prev.map(e =>
+            e.id === id
+              ? { ...e, status: 'error' as FileStatus, error: err instanceof Error ? err.message : 'Upload failed' }
+              : e,
+          ),
+        );
+        setErrorCount(prev => prev + 1);
+        return 'error';
+      }
+    },
+    [datasetName],
+  );
+
+  const resetState = useCallback(() => {
+    setFileEntries([]);
+    setTotalCount(0);
+    setDoneCount(0);
+    setErrorCount(0);
+  }, []);
+
+  const processQueue = useCallback(
+    async (entries: FileEntry[]) => {
+      setIsUploading(true);
+      abortRef.current = false;
+
+      let nextIndex = 0;
+      const runNext = async (): Promise<void> => {
+        while (nextIndex < entries.length) {
+          if (abortRef.current) return;
+          const idx = nextIndex++;
+          await uploadSingleFile(entries[idx]);
+        }
+      };
+
+      const workers = Array.from({ length: Math.min(MAX_CONCURRENT, entries.length) }, () => runNext());
+      await Promise.all(workers);
+
+      setIsUploading(false);
+      if (!abortRef.current) {
+        modalInfoRef.current?.onComplete?.();
+        setModalInfo(null);
+        resetState();
+      }
+    },
+    [uploadSingleFile, setModalInfo, resetState],
+  );
+
+  const onDrop = useCallback(
+    (acceptedFiles: File[]) => {
+      if (acceptedFiles.length === 0) return;
+
+      const entries: FileEntry[] = acceptedFiles.map(file => ({
+        id: nextId++,
+        file,
+        status: 'pending' as FileStatus,
+        progress: 0,
+      }));
+      setFileEntries(entries);
+      setTotalCount(entries.length);
+      setDoneCount(0);
+      setErrorCount(0);
+      processQueue(entries);
+    },
+    [processQueue],
+  );
+
+  const handleCancel = useCallback(() => {
+    abortRef.current = true;
+    setIsUploading(false);
+    setModalInfo(null);
+    resetState();
+  }, [setModalInfo, resetState]);
+
+  const dropAccept = useMemo<AcceptMap>(
+    () => ({
+      'image/*': ['.png', '.jpg', '.jpeg', '.gif', '.bmp', '.webp'],
+      'video/*': ['.mp4', '.avi', '.mov', '.mkv', '.wmv', '.m4v', '.flv'],
+      'audio/*': ['.mp3', '.wav'],
+      'text/*': ['.txt'],
+    }),
+    [],
+  );
+
+  const {
+    getRootProps,
+    getInputProps,
+    isDragActive,
+    open: openFilePicker,
+  } = useDropzone({
+    onDrop,
+    accept: dropAccept,
+    multiple: true,
+    noClick: true,
+    noKeyboard: true,
+  });
+
+  const overallPercent = totalCount > 0 ? Math.round(((doneCount + errorCount) / totalCount) * 100) : 0;
 
   return (
-    <Dialog open={open} onClose={onCancel} className="relative z-10">
+    <Dialog
+      open={open}
+      onClose={() => {
+        if (!isUploading) handleCancel();
+      }}
+      className="relative z-10"
+    >
       <DialogBackdrop
         transition
         className="fixed inset-0 bg-gray-900/75 transition-opacity data-closed:opacity-0 data-enter:duration-300 data-enter:ease-out data-leave:duration-200 data-leave:ease-in"
@@ -56,42 +247,74 @@ export default function AddImagesModal() {
       <div className="fixed inset-0 z-10 w-screen overflow-y-auto">
         <div className="flex min-h-full items-end justify-center p-4 text-center sm:items-center sm:p-0">
           <DialogPanel
-            ref={panelRef}
             transition
             className="relative transform overflow-hidden rounded-lg bg-gray-800 text-left shadow-xl transition-all data-closed:translate-y-4 data-closed:opacity-0 data-enter:duration-300 data-enter:ease-out data-leave:duration-200 data-leave:ease-in sm:my-8 sm:w-full sm:max-w-lg data-closed:sm:translate-y-0 data-closed:sm:scale-95"
           >
             <div className="bg-gray-800 px-4 pt-5 pb-4 sm:p-6 sm:pb-4">
               <div className="text-center">
                 <DialogTitle as="h3" className="text-base font-semibold text-gray-200 mb-4">
-                  Add Images to: {addImagesModalInfo?.datasetName}
+                  Add Images to: {datasetName}
                 </DialogTitle>
-                <div className="w-full">
+
+                {/* Drop zone + click to select */}
+                <div {...getRootProps()} className="w-full">
+                  <input {...getInputProps()} />
                   <div
-                    className="h-40 w-full flex flex-col items-center justify-center border-2 border-dashed rounded-lg border-gray-600"
+                    onClick={() => {
+                      if (!isUploading) openFilePicker();
+                    }}
+                    className={`h-40 w-full flex flex-col items-center justify-center border-2 border-dashed rounded-lg cursor-pointer transition-colors
+                      ${isDragActive ? 'border-blue-400 bg-blue-500/10' : 'border-gray-600 hover:border-gray-400'}`}
                   >
                     <FaUpload className="size-8 mb-3 text-gray-400" />
-                    <p className="text-sm text-gray-200 text-center">
-                      Drag & drop files anywhere on the page to upload
-                    </p>
+                    {!isUploading ? (
+                      <>
+                        <p className="text-sm text-gray-200 text-center">Drag & drop files here or click to select</p>
+                        <p className="text-xs text-gray-400 mt-1">Images, videos, or .txt supported</p>
+                      </>
+                    ) : (
+                      <p className="text-sm text-gray-200 text-center">Drop more files to add to queue</p>
+                    )}
                   </div>
                 </div>
+
+                {/* Upload progress */}
+                {isUploading && (
+                  <div className="mt-4">
+                    <p className="text-sm font-semibold text-gray-200 mb-2">
+                      Uploading… {doneCount + errorCount} / {totalCount}
+                    </p>
+                    <div className="w-full h-2.5 bg-white/20 rounded-full overflow-hidden">
+                      <div
+                        className="h-2.5 bg-blue-500 rounded-full transition-[width] duration-150 ease-linear"
+                        style={{ width: `${overallPercent}%` }}
+                      />
+                    </div>
+                    {errorCount > 0 && (
+                      <p className="text-xs text-red-400 mt-1">
+                        {errorCount} file{errorCount !== 1 ? 's' : ''} failed
+                      </p>
+                    )}
+                  </div>
+                )}
+
+                {/* File progress list */}
+                {fileEntries.length > 0 && (
+                  <div className="mt-3">
+                    <FileProgressList entries={fileEntries} />
+                  </div>
+                )}
               </div>
             </div>
             <div className="bg-gray-700 px-4 py-3 sm:flex sm:flex-row-reverse sm:px-6">
               <button
                 type="button"
-                onClick={onDone}
-                className="inline-flex w-full justify-center rounded-md bg-slate-600 px-3 py-2 text-sm font-semibold text-white shadow-xs sm:ml-3 sm:w-auto"
+                onClick={handleCancel}
+                className={`inline-flex w-full justify-center rounded-md px-3 py-2 text-sm font-semibold text-white shadow-xs sm:ml-3 sm:w-auto ${
+                  isUploading ? 'bg-red-600 hover:bg-red-500' : 'bg-gray-600 hover:bg-gray-500'
+                }`}
               >
-                Done
-              </button>
-              <button
-                type="button"
-                data-autofocus
-                onClick={onCancel}
-                className="mt-3 inline-flex w-full justify-center rounded-md bg-gray-800 px-3 py-2 text-sm font-semibold text-gray-200 hover:bg-gray-800 sm:mt-0 sm:w-auto ring-0"
-              >
-                Cancel
+                {isUploading ? 'Cancel Upload' : 'Close'}
               </button>
             </div>
           </DialogPanel>
@@ -100,3 +323,60 @@ export default function AddImagesModal() {
     </Dialog>
   );
 }
+
+/** Virtualized file progress list */
+function FileProgressList({ entries }: { entries: FileEntry[] }) {
+  const containerRef = useRef<HTMLDivElement>(null);
+  const [scrollTop, setScrollTop] = useState(0);
+
+  const totalHeight = entries.length * ROW_HEIGHT;
+  const containerHeight = Math.min(entries.length, VISIBLE_ROWS) * ROW_HEIGHT;
+
+  const startIdx = Math.floor(scrollTop / ROW_HEIGHT);
+  const endIdx = Math.min(entries.length, startIdx + VISIBLE_ROWS + 2);
+  const visibleEntries = entries.slice(startIdx, endIdx);
+  const offsetY = startIdx * ROW_HEIGHT;
+
+  const onScroll = useCallback(() => {
+    if (containerRef.current) {
+      setScrollTop(containerRef.current.scrollTop);
+    }
+  }, []);
+
+  return (
+    <div
+      ref={containerRef}
+      onScroll={onScroll}
+      className="rounded-xl bg-black/60 backdrop-blur-sm border border-white/10 overflow-y-auto"
+      style={{ height: containerHeight + 2 }}
+    >
+      <div style={{ height: totalHeight, position: 'relative' }}>
+        <div style={{ position: 'absolute', top: offsetY, left: 0, right: 0 }}>
+          {visibleEntries.map(entry => (
+            <FileRow key={entry.id} entry={entry} />
+          ))}
+        </div>
+      </div>
+    </div>
+  );
+}
+
+function FileRow({ entry }: { entry: FileEntry }) {
+  return (
+    <div className="flex items-center gap-2 px-3 text-xs font-mono" style={{ height: ROW_HEIGHT }}>
+      <span className="flex-shrink-0 w-4 text-center">
+        {entry.status === 'error' && <FaTimesCircle className="text-red-400 inline" />}
+        {entry.status === 'uploading' && <FaSpinner className="text-blue-400 inline animate-spin" />}
+        {entry.status === 'pending' && <span className="inline-block w-2 h-2 rounded-full bg-white/30" />}
+      </span>
+      <span className="truncate flex-1 opacity-80" title={entry.file.name}>
+        {entry.file.name}
+      </span>
+      <span className="flex-shrink-0 w-16 text-right">
+        {entry.status === 'uploading' && <span className="text-blue-300">{entry.progress}%</span>}
+        {entry.status === 'error' && <span className="text-red-400">Failed</span>}
+        {entry.status === 'pending' && <span className="text-white/30">Queued</span>}
+      </span>
+    </div>
+  );
+}
diff --git a/ui/src/components/FullscreenDropOverlay.tsx b/ui/src/components/FullscreenDropOverlay.tsx
deleted file mode 100644
index d5957faf..00000000
--- a/ui/src/components/FullscreenDropOverlay.tsx
+++ /dev/null
@@ -1,346 +0,0 @@
-'use client';
-
-import { useCallback, useEffect, useMemo, useRef, useState } from 'react';
-import { useDropzone } from 'react-dropzone';
-import { FaUpload, FaTimesCircle, FaSpinner } from 'react-icons/fa';
-import { apiClient } from '@/utils/api';
-
-type AcceptMap = {
-  [mime: string]: string[];
-};
-
-interface FullscreenDropOverlayProps {
-  datasetName: string;
-  onComplete?: () => void;
-  accept?: AcceptMap;
-  multiple?: boolean;
-}
-
-type FileStatus = 'pending' | 'uploading' | 'error';
-
-interface FileEntry {
-  id: number;
-  file: File;
-  status: FileStatus;
-  progress: number;
-  error?: string;
-}
-
-const MAX_CONCURRENT = 3;
-const ROW_HEIGHT = 32;
-const VISIBLE_ROWS = 8;
-
-let nextId = 0;
-
-export default function FullscreenDropOverlay({
-  datasetName,
-  onComplete,
-  accept,
-  multiple = true,
-}: FullscreenDropOverlayProps) {
-  const [visible, setVisible] = useState(false);
-  const [isUploading, setIsUploading] = useState(false);
-  const [fileEntries, setFileEntries] = useState<FileEntry[]>([]);
-  const [totalCount, setTotalCount] = useState(0);
-  const [doneCount, setDoneCount] = useState(0);
-  const [errorCount, setErrorCount] = useState(0);
-  const dragDepthRef = useRef(0);
-  const abortRef = useRef(false);
-
-  const isFileDrag = (e: DragEvent) => {
-    const types = e?.dataTransfer?.types;
-    return !!types && Array.from(types).includes('Files');
-  };
-
-  useEffect(() => {
-    const onDragEnter = (e: DragEvent) => {
-      if (!isFileDrag(e)) return;
-      dragDepthRef.current += 1;
-      setVisible(true);
-      e.preventDefault();
-    };
-    const onDragOver = (e: DragEvent) => {
-      if (!isFileDrag(e)) return;
-      e.preventDefault();
-      if (!visible) setVisible(true);
-    };
-    const onDragLeave = (e: DragEvent) => {
-      if (!isFileDrag(e)) return;
-      dragDepthRef.current = Math.max(0, dragDepthRef.current - 1);
-      if (dragDepthRef.current === 0 && !isUploading) {
-        setVisible(false);
-      }
-    };
-    const onWindowDrop = (e: DragEvent) => {
-      if (!isFileDrag(e)) return;
-      e.preventDefault();
-      dragDepthRef.current = 0;
-    };
-
-    window.addEventListener('dragenter', onDragEnter);
-    window.addEventListener('dragover', onDragOver);
-    window.addEventListener('dragleave', onDragLeave);
-    window.addEventListener('drop', onWindowDrop);
-
-    return () => {
-      window.removeEventListener('dragenter', onDragEnter);
-      window.removeEventListener('dragover', onDragOver);
-      window.removeEventListener('dragleave', onDragLeave);
-      window.removeEventListener('drop', onWindowDrop);
-    };
-  }, [visible, isUploading]);
-
-  const uploadSingleFile = useCallback(
-    async (entry: FileEntry): Promise<'done' | 'error'> => {
-      if (abortRef.current) return 'error';
-
-      const id = entry.id;
-
-      setFileEntries(prev =>
-        prev.map(e => (e.id === id ? { ...e, status: 'uploading' as FileStatus, progress: 0 } : e)),
-      );
-
-      const formData = new FormData();
-      formData.append('files', entry.file);
-      formData.append('datasetName', datasetName || '');
-
-      try {
-        await apiClient.post('/api/datasets/upload', formData, {
-          headers: { 'Content-Type': 'multipart/form-data' },
-          onUploadProgress: pe => {
-            const percent = Math.round(((pe.loaded || 0) * 100) / (pe.total || pe.loaded || 1));
-            setFileEntries(prev => prev.map(e => (e.id === id ? { ...e, progress: percent } : e)));
-          },
-          timeout: 0,
-        });
-        // Remove from list on success
-        setFileEntries(prev => prev.filter(e => e.id !== id));
-        setDoneCount(prev => prev + 1);
-        return 'done';
-      } catch (err) {
-        console.error(`Upload failed for ${entry.file.name}:`, err);
-        setFileEntries(prev =>
-          prev.map(e =>
-            e.id === id
-              ? { ...e, status: 'error' as FileStatus, error: err instanceof Error ? err.message : 'Upload failed' }
-              : e,
-          ),
-        );
-        setErrorCount(prev => prev + 1);
-        return 'error';
-      }
-    },
-    [datasetName],
-  );
-
-  const processQueue = useCallback(
-    async (entries: FileEntry[]) => {
-      setIsUploading(true);
-      abortRef.current = false;
-
-      let nextIndex = 0;
-
-      const runNext = async (): Promise<void> => {
-        while (nextIndex < entries.length) {
-          if (abortRef.current) return;
-          const idx = nextIndex++;
-          await uploadSingleFile(entries[idx]);
-        }
-      };
-
-      const workers = Array.from({ length: Math.min(MAX_CONCURRENT, entries.length) }, () => runNext());
-      await Promise.all(workers);
-
-      setIsUploading(false);
-      if (!abortRef.current) {
-        onComplete?.();
-        setFileEntries([]);
-        setVisible(false);
-        setTotalCount(0);
-        setDoneCount(0);
-        setErrorCount(0);
-      }
-    },
-    [uploadSingleFile, onComplete],
-  );
-
-  const onDrop = useCallback(
-    (acceptedFiles: File[]) => {
-      if (acceptedFiles.length === 0) {
-        setVisible(false);
-        return;
-      }
-
-      const entries: FileEntry[] = acceptedFiles.map(file => ({
-        id: nextId++,
-        file,
-        status: 'pending' as FileStatus,
-        progress: 0,
-      }));
-      setFileEntries(entries);
-      setTotalCount(entries.length);
-      setDoneCount(0);
-      setErrorCount(0);
-      processQueue(entries);
-    },
-    [processQueue],
-  );
-
-  const handleClose = useCallback(() => {
-    abortRef.current = true;
-    setIsUploading(false);
-    setFileEntries([]);
-    setVisible(false);
-    setTotalCount(0);
-    setDoneCount(0);
-    setErrorCount(0);
-  }, []);
-
-  const dropAccept = useMemo<AcceptMap>(
-    () =>
-      accept || {
-        'image/*': ['.png', '.jpg', '.jpeg', '.gif', '.bmp', '.webp'],
-        'video/*': ['.mp4', '.avi', '.mov', '.mkv', '.wmv', '.m4v', '.flv'],
-        'audio/*': ['.mp3', '.wav'],
-        'text/*': ['.txt'],
-      },
-    [accept],
-  );
-
-  const { getRootProps, getInputProps, isDragActive } = useDropzone({
-    onDrop,
-    accept: dropAccept,
-    multiple,
-    noClick: true,
-    noKeyboard: true,
-    preventDropOnDocument: true,
-  });
-
-  const overallPercent = totalCount > 0 ? Math.round(((doneCount + errorCount) / totalCount) * 100) : 0;
-
-  return (
-    <div
-      className={`fixed inset-0 z-[9999] transition-opacity duration-200 ${
-        visible || isUploading ? 'opacity-100 pointer-events-auto' : 'opacity-0 pointer-events-none'
-      }`}
-      aria-hidden={!visible && !isUploading}
-      {...getRootProps()}
-    >
-      <input {...getInputProps()} />
-      <div className={`absolute inset-0 ${isUploading ? 'bg-gray-900/70' : 'bg-gray-900/40'}`} />
-
-      <div className="absolute inset-0 flex items-center justify-center p-6">
-        <div className="w-full max-w-2xl flex flex-col gap-3">
-          {/* Drop target / status box */}
-          <div
-            className={`rounded-2xl border-2 border-dashed px-8 py-10 text-center shadow-2xl backdrop-blur-sm
-            ${isDragActive ? 'border-blue-400 bg-white/10' : 'border-white/30 bg-white/5'}`}
-          >
-            <div className="flex flex-col items-center gap-4">
-              <FaUpload className="size-10 opacity-80" />
-              {!isUploading ? (
-                <>
-                  <p className="text-lg font-semibold">Drop files to upload</p>
-                  <p className="text-sm opacity-80">
-                    Destination:&nbsp;<span className="font-mono">{datasetName || 'unknown'}</span>
-                  </p>
-                  <p className="text-xs opacity-70 mt-1">Images, videos, or .txt supported</p>
-                </>
-              ) : (
-                <>
-                  <p className="text-lg font-semibold">
-                    Uploading… {doneCount + errorCount} / {totalCount}
-                  </p>
-                  <div className="w-full h-2.5 bg-white/20 rounded-full overflow-hidden">
-                    <div
-                      className="h-2.5 bg-blue-500 rounded-full transition-[width] duration-150 ease-linear"
-                      style={{ width: `${overallPercent}%` }}
-                    />
-                  </div>
-                  {errorCount > 0 && (
-                    <p className="text-xs text-red-400">
-                      {errorCount} file{errorCount !== 1 ? 's' : ''} failed
-                    </p>
-                  )}
-                  <button
-                    type="button"
-                    onClick={e => {
-                      e.stopPropagation();
-                      handleClose();
-                    }}
-                    className="mt-2 px-4 py-1.5 text-sm rounded-lg bg-white/10 hover:bg-white/20 transition-colors"
-                  >
-                    Cancel
-                  </button>
-                </>
-              )}
-            </div>
-          </div>
-
-          {/* File progress list — only shows pending, uploading, and errored files */}
-          {fileEntries.length > 0 && <FileProgressList entries={fileEntries} />}
-        </div>
-      </div>
-    </div>
-  );
-}
-
-/** Virtualized file progress list for handling thousands of files */
-function FileProgressList({ entries }: { entries: FileEntry[] }) {
-  const containerRef = useRef<HTMLDivElement>(null);
-  const [scrollTop, setScrollTop] = useState(0);
-
-  const totalHeight = entries.length * ROW_HEIGHT;
-  const containerHeight = Math.min(entries.length, VISIBLE_ROWS) * ROW_HEIGHT;
-
-  const startIdx = Math.floor(scrollTop / ROW_HEIGHT);
-  const endIdx = Math.min(entries.length, startIdx + VISIBLE_ROWS + 2);
-  const visibleEntries = entries.slice(startIdx, endIdx);
-  const offsetY = startIdx * ROW_HEIGHT;
-
-  const onScroll = useCallback(() => {
-    if (containerRef.current) {
-      setScrollTop(containerRef.current.scrollTop);
-    }
-  }, []);
-
-  return (
-    <div
-      ref={containerRef}
-      onScroll={onScroll}
-      onClick={e => e.stopPropagation()}
-      className="rounded-xl bg-black/60 backdrop-blur-sm border border-white/10 overflow-y-auto"
-      style={{ height: containerHeight + 2 }}
-    >
-      <div style={{ height: totalHeight, position: 'relative' }}>
-        <div style={{ position: 'absolute', top: offsetY, left: 0, right: 0 }}>
-          {visibleEntries.map(entry => (
-            <FileRow key={entry.id} entry={entry} />
-          ))}
-        </div>
-      </div>
-    </div>
-  );
-}
-
-function FileRow({ entry }: { entry: FileEntry }) {
-  return (
-    <div className="flex items-center gap-2 px-3 text-xs font-mono" style={{ height: ROW_HEIGHT }}>
-      <span className="flex-shrink-0 w-4 text-center">
-        {entry.status === 'error' && <FaTimesCircle className="text-red-400 inline" />}
-        {entry.status === 'uploading' && <FaSpinner className="text-blue-400 inline animate-spin" />}
-        {entry.status === 'pending' && <span className="inline-block w-2 h-2 rounded-full bg-white/30" />}
-      </span>
-
-      <span className="truncate flex-1 opacity-80" title={entry.file.name}>
-        {entry.file.name}
-      </span>
-
-      <span className="flex-shrink-0 w-16 text-right">
-        {entry.status === 'uploading' && <span className="text-blue-300">{entry.progress}%</span>}
-        {entry.status === 'error' && <span className="text-red-400">Failed</span>}
-        {entry.status === 'pending' && <span className="text-white/30">Queued</span>}
-      </span>
-    </div>
-  );
-}