diff --git a/ui/components/MessageSources.tsx b/ui/components/MessageSources.tsx
index c7ee945..6ca3472 100644
--- a/ui/components/MessageSources.tsx
+++ b/ui/components/MessageSources.tsx
@@ -23,44 +23,94 @@ const MessageSources = ({ sources }: { sources: Document[] }) => {
     document.body.classList.add('overflow-hidden-scrollable');
   };
 
+  const getSourceUrl = (source: Document) => {
+    if (source.metadata.isFile) {
+      // Pour les fichiers locaux, on retourne à la fois l'URL du viewer et l'URL directe du PDF
+      const page = source.metadata.page || 1;
+      return {
+        viewerUrl: source.metadata.url, // On utilise l'URL déjà construite
+        pdfUrl: `/api/uploads/${source.metadata.fileId}/content?page=${page}`
+      };
+    }
+    // Pour les URLs web, on retourne la même URL pour les deux
+    return {
+      viewerUrl: source.metadata.url,
+      pdfUrl: source.metadata.url
+    };
+  };
+
   return (
     <div className="grid grid-cols-2 lg:grid-cols-4 gap-2">
-      {sources.slice(0, 3).map((source, i) => (
-        <a
-          className="bg-light-100 hover:bg-light-200 dark:bg-dark-100 dark:hover:bg-dark-200 transition duration-200 rounded-lg p-3 flex flex-col space-y-2 font-medium"
-          key={i}
-          href={source.metadata.url}
-          target="_blank"
-        >
-          <p className="dark:text-white text-xs overflow-hidden whitespace-nowrap text-ellipsis">
-            {source.metadata.title}
-          </p>
-          <div className="flex flex-row items-center justify-between">
-            <div className="flex flex-row items-center space-x-1">
-              {source.metadata.url === 'File' ? (
-                <div className="bg-dark-200 hover:bg-dark-100 transition duration-200 flex items-center justify-center w-6 h-6 rounded-full">
-                  <File size={12} className="text-white/70" />
+      {sources.slice(0, 3).map((source, i) => {
+        const urls = getSourceUrl(source);
+        const isFile = source.metadata.isFile;
+        
+        const CardContent = () => (
+          <>
+            <p className="dark:text-white text-xs overflow-hidden whitespace-nowrap text-ellipsis">
+              {source.metadata.title}
+            </p>
+            <div className="flex flex-row items-center justify-between">
+              <div className="flex flex-row items-center space-x-1">
+                {isFile ? (
+                  <div className="bg-dark-200 hover:bg-dark-100 transition duration-200 flex items-center justify-center w-6 h-6 rounded-full">
+                    <File size={12} className="text-white/70" />
+                  </div>
+                ) : (
+                  <img
+                    src={`https://s2.googleusercontent.com/s2/favicons?domain_url=${source.metadata.url}`}
+                    width={16}
+                    height={16}
+                    alt="favicon"
+                    className="rounded-lg h-4 w-4"
+                  />
+                )}
+                <p className="text-xs text-black/50 dark:text-white/50 overflow-hidden whitespace-nowrap text-ellipsis">
+                  {isFile 
+                    ? `Page ${source.metadata.page || 1}`
+                    : source.metadata.url.replace(/.+\/\/|www.|\..+/g, '')}
+                </p>
+              </div>
+              <div className="flex flex-row items-center space-x-2">
+                {!isFile && (
+                  <a
+                    href={urls.viewerUrl}
+                    target="_blank"
+                    rel="noopener noreferrer"
+                    className="text-xs text-blue-500 hover:text-blue-600 transition-colors duration-200"
+                    onClick={(e) => e.stopPropagation()}
+                  >
+                    Voir
+                  </a>
+                )}
+                <div className="flex flex-row items-center space-x-1 text-black/50 dark:text-white/50 text-xs">
+                  <div className="bg-black/50 dark:bg-white/50 h-[4px] w-[4px] rounded-full" />
+                  <span>{i + 1}</span>
                 </div>
-              ) : (
-                <img
-                  src={`https://s2.googleusercontent.com/s2/favicons?domain_url=${source.metadata.url}`}
-                  width={16}
-                  height={16}
-                  alt="favicon"
-                  className="rounded-lg h-4 w-4"
-                />
-              )}
-              <p className="text-xs text-black/50 dark:text-white/50 overflow-hidden whitespace-nowrap text-ellipsis">
-                {source.metadata.url.replace(/.+\/\/|www.|\..+/g, '')}
-              </p>
-            </div>
-            <div className="flex flex-row items-center space-x-1 text-black/50 dark:text-white/50 text-xs">
-              <div className="bg-black/50 dark:bg-white/50 h-[4px] w-[4px] rounded-full" />
-              <span>{i + 1}</span>
+              </div>
             </div>
+          </>
+        );
+
+        return isFile ? (
+          <a
+            key={i}
+            href={urls.viewerUrl}
+            target="_blank"
+            rel="noopener noreferrer"
+            className="bg-light-100 hover:bg-light-200 dark:bg-dark-100 dark:hover:bg-dark-200 transition duration-200 rounded-lg p-3 flex flex-col space-y-2 font-medium"
+          >
+            <CardContent />
+          </a>
+        ) : (
+          <div
+            key={i}
+            className="bg-light-100 hover:bg-light-200 dark:bg-dark-100 dark:hover:bg-dark-200 transition duration-200 rounded-lg p-3 flex flex-col space-y-2 font-medium"
+          >
+            <CardContent />
           </div>
-        </a>
-      ))}
+        );
+      })}
       {sources.length > 3 && (
         <button
           onClick={openModal}
@@ -68,12 +118,13 @@ const MessageSources = ({ sources }: { sources: Document[] }) => {
         >
           <div className="flex flex-row items-center space-x-1">
             {sources.slice(3, 6).map((source, i) => {
-              return source.metadata.url === 'File' ? (
-                <div className="bg-dark-200 hover:bg-dark-100 transition duration-200 flex items-center justify-center w-6 h-6 rounded-full">
+              return source.metadata.isFile ? (
+                <div key={i} className="bg-dark-200 hover:bg-dark-100 transition duration-200 flex items-center justify-center w-6 h-6 rounded-full">
                   <File size={12} className="text-white/70" />
                 </div>
               ) : (
                 <img
+                  key={i}
                   src={`https://s2.googleusercontent.com/s2/favicons?domain_url=${source.metadata.url}`}
                   width={16}
                   height={16}
@@ -88,70 +139,78 @@ const MessageSources = ({ sources }: { sources: Document[] }) => {
           </p>
         </button>
       )}
-      <Transition appear show={isDialogOpen} as={Fragment}>
-        <Dialog as="div" className="relative z-50" onClose={closeModal}>
-          <div className="fixed inset-0 overflow-y-auto">
-            <div className="flex min-h-full items-center justify-center p-4 text-center">
-              <TransitionChild
-                as={Fragment}
-                enter="ease-out duration-200"
-                enterFrom="opacity-0 scale-95"
-                enterTo="opacity-100 scale-100"
-                leave="ease-in duration-100"
-                leaveFrom="opacity-100 scale-200"
-                leaveTo="opacity-0 scale-95"
-              >
-                <DialogPanel className="w-full max-w-md transform rounded-2xl bg-light-secondary dark:bg-dark-secondary border border-light-200 dark:border-dark-200 p-6 text-left align-middle shadow-xl transition-all">
-                  <DialogTitle className="text-lg font-medium leading-6 dark:text-white">
-                    Sources
-                  </DialogTitle>
-                  <div className="grid grid-cols-2 gap-2 overflow-auto max-h-[300px] mt-2 pr-2">
-                    {sources.map((source, i) => (
-                      <a
-                        className="bg-light-secondary hover:bg-light-200 dark:bg-dark-secondary dark:hover:bg-dark-200 border border-light-200 dark:border-dark-200 transition duration-200 rounded-lg p-3 flex flex-col space-y-2 font-medium"
-                        key={i}
-                        href={source.metadata.url}
-                        target="_blank"
-                      >
-                        <p className="dark:text-white text-xs overflow-hidden whitespace-nowrap text-ellipsis">
-                          {source.metadata.title}
-                        </p>
-                        <div className="flex flex-row items-center justify-between">
-                          <div className="flex flex-row items-center space-x-1">
-                            {source.metadata.url === 'File' ? (
-                              <div className="bg-dark-200 hover:bg-dark-100 transition duration-200 flex items-center justify-center w-6 h-6 rounded-full">
-                                <File size={12} className="text-white/70" />
-                              </div>
-                            ) : (
-                              <img
-                                src={`https://s2.googleusercontent.com/s2/favicons?domain_url=${source.metadata.url}`}
-                                width={16}
-                                height={16}
-                                alt="favicon"
-                                className="rounded-lg h-4 w-4"
-                              />
-                            )}
-                            <p className="text-xs text-black/50 dark:text-white/50 overflow-hidden whitespace-nowrap text-ellipsis">
-                              {source.metadata.url.replace(
-                                /.+\/\/|www.|\..+/g,
-                                '',
-                              )}
-                            </p>
-                          </div>
+      <Dialog as="div" className="relative z-50" open={isDialogOpen} onClose={closeModal}>
+        <div className="fixed inset-0 overflow-y-auto">
+          <div className="flex min-h-full items-center justify-center p-4 text-center">
+            <Dialog.Panel className="w-full max-w-md transform rounded-2xl bg-light-secondary dark:bg-dark-secondary border border-light-200 dark:border-dark-200 p-6 text-left align-middle shadow-xl transition-all">
+              <Dialog.Title className="text-lg font-medium leading-6 dark:text-white">
+                Sources
+              </Dialog.Title>
+              <div className="grid grid-cols-2 gap-2 overflow-auto max-h-[300px] mt-2 pr-2">
+                {sources.map((source, i) => {
+                  const urls = getSourceUrl(source);
+                  return (
+                    <div
+                      key={i}
+                      className="bg-light-secondary hover:bg-light-200 dark:bg-dark-secondary dark:hover:bg-dark-200 border border-light-200 dark:border-dark-200 transition duration-200 rounded-lg p-3 flex flex-col space-y-2 font-medium"
+                    >
+                      <p className="dark:text-white text-xs overflow-hidden whitespace-nowrap text-ellipsis">
+                        {source.metadata.title}
+                      </p>
+                      <div className="flex flex-row items-center justify-between">
+                        <div className="flex flex-row items-center space-x-1">
+                          {source.metadata.isFile ? (
+                            <div className="bg-dark-200 hover:bg-dark-100 transition duration-200 flex items-center justify-center w-6 h-6 rounded-full">
+                              <File size={12} className="text-white/70" />
+                            </div>
+                          ) : (
+                            <img
+                              src={`https://s2.googleusercontent.com/s2/favicons?domain_url=${source.metadata.url}`}
+                              width={16}
+                              height={16}
+                              alt="favicon"
+                              className="rounded-lg h-4 w-4"
+                            />
+                          )}
+                          <p className="text-xs text-black/50 dark:text-white/50 overflow-hidden whitespace-nowrap text-ellipsis">
+                            {source.metadata.isFile 
+                              ? `Page ${source.metadata.page || 1}`
+                              : source.metadata.url.replace(/.+\/\/|www.|\..+/g, '')}
+                          </p>
+                        </div>
+                        <div className="flex flex-row items-center space-x-2">
+                          {source.metadata.isFile && (
+                            <a
+                              href={urls.pdfUrl}
+                              target="_blank"
+                              rel="noopener noreferrer"
+                              className="text-xs text-blue-500 hover:text-blue-600 transition-colors duration-200"
+                            >
+                              PDF
+                            </a>
+                          )}
+                          <a
+                            href={urls.viewerUrl}
+                            target="_blank"
+                            rel="noopener noreferrer"
+                            className="text-xs text-blue-500 hover:text-blue-600 transition-colors duration-200"
+                          >
+                            {source.metadata.isFile ? 'Voir' : 'Voir'}
+                          </a>
                           <div className="flex flex-row items-center space-x-1 text-black/50 dark:text-white/50 text-xs">
                             <div className="bg-black/50 dark:bg-white/50 h-[4px] w-[4px] rounded-full" />
                             <span>{i + 1}</span>
                           </div>
                         </div>
-                      </a>
-                    ))}
-                  </div>
-                </DialogPanel>
-              </TransitionChild>
-            </div>
+                      </div>
+                    </div>
+                  );
+                })}
+              </div>
+            </Dialog.Panel>
           </div>
-        </Dialog>
-      </Transition>
+        </div>
+      </Dialog>
     </div>
   );
 };