Simplify file upload heading and fix drag and drop text orientation

app.py

@@ -470,70 +470,36 @@ with main_tab1:
         Using the latest `mistral-ocr-latest` model for advanced document understanding.
         """)
         
-        # Add enhanced CSS to fix the vertical text and improve the drag and drop area visually
+        # Simple CSS just to fix vertical text in drag and drop area
         st.markdown("""
         <style>
-        /* Fix color and text orientation - use white text */
+        /* Reset all file uploader styling */
         .uploadedFile, .uploadedFileData, .stFileUploader {
-            color: #ffffff !important;
+            color: inherit !important;
         }
         
-        /* Fix the text orientation for all elements in the uploader */
-        .stFileUploader label span,
-        .stFileUploader label div,
+        /* Fix vertical text orientation */
         .stFileUploader p,
-        .stFileUploader div[data-testid="stFileUploadDropzone"] span,
-        .stFileUploader div[data-testid="stFileUploadDropzone"] div,
-        .stFileUploader div[data-testid="stFileUploadDropzone"] label,
-        .stFileUploader div[data-testid="stFileUploadDropzone"] p {
-            white-space: normal !important;
-            display: inline-block !important;
-            height: auto !important;
-            text-orientation: mixed !important;
+        .stFileUploader span,
+        .stFileUploader div p,
+        .stFileUploader div span,
+        .stFileUploader label p, 
+        .stFileUploader label span,
+        .stFileUploader div[data-testid="stFileUploadDropzone"] p,
+        .stFileUploader div[data-testid="stFileUploadDropzone"] span {
             writing-mode: horizontal-tb !important;
-            width: auto !important;
-            text-align: center !important;
-            color: #ffffff !important;
-            font-weight: 400 !important;
         }
         
-        /* Enhance the drop zone appearance with page background color */
+        /* Simplify the drop zone appearance */
         .stFileUploader > section > div,
         .stFileUploader div[data-testid="stFileUploadDropzone"] {
-            display: flex !important;
-            flex-direction: column !important;
-            align-items: center !important;
-            justify-content: center !important;
-            text-align: center !important;
-            height: auto !important;
-            min-height: 180px !important;
-            background-color: #f0f2f6 !important;
-            border: 2px dashed #ffffff !important;
-            border-radius: 8px !important;
-            transition: background-color 0.3s, border-color 0.3s !important;
-            padding: 20px !important;
-            margin-bottom: 20px !important;
-        }
-        
-        /* Hover effect for better user feedback - still using page background */
-        .stFileUploader > section > div:hover,
-        .stFileUploader div[data-testid="stFileUploadDropzone"]:hover {
-            background-color: #f0f2f6 !important;
-            border-color: #ffffff !important;
-        }
-        
-        /* Add visual icon for upload */
-        .stFileUploader div[data-testid="stFileUploadDropzone"]::before {
-            content: "📄" !important;
-            font-size: 36px !important;
-            display: block !important;
-            margin-bottom: 10px !important;
+            min-height: 100px !important;
         }
         </style>
         """, unsafe_allow_html=True)
         
-        # Add visual label above the file uploader with white text on page background
-        st.markdown('<div style="margin-bottom:8px; font-weight:500; color:#ffffff; background-color:#f0f2f6; padding:8px; border-radius:4px; font-size:16px;">📄 Upload Historical Document</div>', unsafe_allow_html=True)
+        # Add heading for the file uploader (just text, no container)
+        st.markdown('## Upload Historical Document')
         
         # Enhanced file uploader with better help text
         uploaded_file = st.file_uploader("Drag and drop PDFs or images here", type=["pdf", "png", "jpg", "jpeg"],