Update app.py

app.py

@@ -216,13 +216,15 @@ body {
 }
 """
 
-# Interface Gradio
 # Interface Gradio
 def toggle_bar(is_visible):
     if is_visible:
         cover_html = """
-            <div style="position: fixed; top: 0; left: 0; right: 0; height: 64px; 
-                background: white; z-index: 9999; box-shadow: 0 1px 3px rgba(0,0,0,0.1);">
+            <div style="position: fixed; top: 0; left: 0; right: 0; height: 90px; 
+                background: white; z-index: 41; 
+                border-bottom: 1px solid rgb(243 244 246);
+                box-shadow: 0 1px 3px rgba(0,0,0,0.1);
+                background-image: linear-gradient(to top, white, white);">
             </div>
         """
         btn_text = "Mostrar Barra"
@@ -247,7 +249,18 @@ def demo():
             position: fixed !important;
             top: 10px !important;
             right: 10px !important;
-            z-index: 10000 !important;
+            z-index: 42 !important;
+            font-size: 14px !important;
+            padding: 8px 16px !important;
+            background-color: #2563eb !important;
+            color: white !important;
+            border: none !important;
+            border-radius: 6px !important;
+            cursor: pointer !important;
+            transition: background-color 0.2s !important;
+        }
+        .cover-button:hover {
+            background-color: #1d4ed8 !important;
         }
     """
 
@@ -257,7 +270,7 @@ def demo():
             cover_html = gr.HTML("")
             toggle_btn = gr.Button("Ocultar Barra", elem_classes="cover-button")
             is_visible = gr.State(False)
-
+        
         # Estados do sistema
         vector_db = gr.State()
         qa_chain = gr.State()