Update app.py

app.py

@@ -21,6 +21,9 @@ if GOOGLE_API_KEY is None:
 app = Flask(__name__)
 CORS(app)
 
+# Configure Flask for larger file uploads
+app.config['MAX_CONTENT_LENGTH'] = 50 * 1024 * 1024  # 50MB max file size
+
 # Initialize Gemini client with correct API key
 client = genai.Client(api_key=GOOGLE_API_KEY)
 
@@ -341,6 +344,7 @@ HTML_TEMPLATE = """
                     <div class="upload-area" id="uploadArea">
                         <div class="upload-icon">📄</div>
                         <p>Drag and drop your PDF file here, or click to select</p>
+                        <p style="font-size: 0.9em; color: #666; margin-top: 10px;">Maximum file size: 50MB</p>
                         <input type="file" id="fileInput" class="file-input" accept=".pdf">
                         <button class="upload-btn" onclick="document.getElementById('fileInput').click()">
                             Choose PDF File
@@ -427,6 +431,12 @@ HTML_TEMPLATE = """
                 return;
             }
             
+            // Check file size on client side (50MB limit)
+            if (file.size > 50 * 1024 * 1024) {
+                showError('File too large. Maximum size is 50MB.');
+                return;
+            }
+            
             showLoading('Uploading PDF...');
             
             const formData = new FormData();
@@ -606,13 +616,13 @@ def upload_file():
         if file.filename == '':
             return jsonify({'success': False, 'error': 'No file selected'})
         
-        # Check file size (limit to 10MB for example)
+        # Check file size (limit to 50MB for PDFs)
         file.seek(0, 2)  # Seek to end
         file_size = file.tell()
         file.seek(0)  # Reset to beginning
         
-        if file_size > 10 * 1024 * 1024:  # 10MB limit
-            return jsonify({'success': False, 'error': 'File too large. Maximum size is 10MB.'})
+        if file_size > 50 * 1024 * 1024:  # 50MB limit
+            return jsonify({'success': False, 'error': 'File too large. Maximum size is 50MB.'})
         
         # Read file content
         file_content = file.read()
@@ -716,8 +726,8 @@ def upload_from_url():
                 
                 # Check file size
                 content_length = len(response.content)
-                if content_length > 10 * 1024 * 1024:  # 10MB limit
-                    return jsonify({'success': False, 'error': 'File too large. Maximum size is 10MB.'})
+                if content_length > 50 * 1024 * 1024:  # 50MB limit
+                    return jsonify({'success': False, 'error': 'File too large. Maximum size is 50MB.'})
                 
                 file_io = io.BytesIO(response.content)
                 
@@ -896,7 +906,7 @@ def health_check():
 # Error handlers
 @app.errorhandler(413)
 def too_large(e):
-    return jsonify({'success': False, 'error': 'File too large'}), 413
+    return jsonify({'success': False, 'error': 'File too large. Maximum size is 50MB.'}), 413
 
 @app.errorhandler(500)
 def internal_error(e):