Update app.py

app.py

@@ -92,7 +92,7 @@ st.markdown("""
         color: #ffffff; /* White */
     }
     .stTextInput::placeholder, .stTextArea::placeholder {
-        color: #d3d3d3; /* Light Gray */
+        color: black; /* Gray */
     }
     .stSidebar {
         background-color: #000000; /* Royal Black */
@@ -126,7 +126,6 @@ st.markdown("""
     </style>
 """, unsafe_allow_html=True)
 
-# Sidebar with task selection
 st.sidebar.title("Tasks")
 tasks = [
     "📚 Personalized Learning Assistant",