Update app.py

app.py

@@ -1675,7 +1675,7 @@ def show_main_app():
     [data-testid="stFileUploaderDropzone"] p,
     [data-testid="stFileUploaderDropzone"] span,
     [data-testid="stFileUploaderDropzone"] div {
-        color: white !important;
+        color: black !important;
         -webkit-text-fill-color: black !important;
         opacity: 1 !important;
         white-space: normal !important;
@@ -1684,10 +1684,10 @@ def show_main_app():
     }
     /* Specific text within the file uploader (e.g., "Drag and drop file here") */
     [data-testid="stFileUploaderDropzone"] > div > div > div:nth-child(2) > div:first-child {
-        color: white !important;
+        color: black !important;
     }
     [data-testid="stFileUploaderDropzone"] > div > div > div > span {
-        color: white !important;
+        color: black !important;
     }
 
     [data-testid="stFileUploaderFileName"] {