Update src/streamlit_app.py

src/streamlit_app.py

@@ -4,73 +4,81 @@ import chess.svg
 
 st.set_page_config(page_title="♟️ Chess Game", layout="centered")
 
-st.title("♟️ Chess Game (Streamlit)")
+st.title("♟️ Chess Game")
 
-# Initialize session state
+# --- Initialize session ---
 if "board" not in st.session_state:
     st.session_state.board = chess.Board()
     st.session_state.move_history = []
+    st.session_state.last_move_msg = ""
 
 board = st.session_state.board
 
-# Display board
-st.subheader("Board")
-board_svg = chess.svg.board(board=board, size=500)
-st.image(board_svg)
+# --- Layout ---
+col_board, col_controls = st.columns([2, 1])
 
-# Show turn
-st.info(f"Turn: {'White' if board.turn else 'Black'}")
+# ================= BOARD =================
+with col_board:
+    st.subheader("Board")
+    board_svg = chess.svg.board(board=board, size=500)
+    st.image(board_svg)
 
-# Move input
-st.subheader("Make a Move")
+# ================= CONTROLS =================
+with col_controls:
+    st.subheader("Controls")
 
-col1, col2 = st.columns(2)
+    st.info(f"Turn: {'White' if board.turn else 'Black'}")
 
-squares = [chess.square_name(sq) for sq in chess.SQUARES]
+    squares = [chess.square_name(sq) for sq in chess.SQUARES]
 
-with col1:
     from_sq = st.selectbox("From", squares, key="from")
-
-with col2:
     to_sq = st.selectbox("To", squares, key="to")
 
-# Make move
-if st.button("♟️ Move"):
-    try:
-        move = chess.Move.from_uci(from_sq + to_sq)
-
-        if move in board.legal_moves:
-            board.push(move)
-            st.session_state.move_history.append(move.uci())
-            st.success(f"Move: {from_sq} → {to_sq}")
-        else:
-            st.error("Illegal move!")
-
-    except:
-        st.error("Invalid move format!")
-
-# Undo move
-if st.button("↩️ Undo Last Move"):
-    if board.move_stack:
-        board.pop()
-        st.session_state.move_history.pop()
-        st.warning("Last move undone")
-
-# Restart game
-if st.button("🔄 Restart Game"):
-    st.session_state.board = chess.Board()
-    st.session_state.move_history = []
-    st.success("Game restarted!")
+    if st.button("♟️ Move"):
+        try:
+            move = chess.Move.from_uci(from_sq + to_sq)
+
+            if move in board.legal_moves:
+                board.push(move)
+                st.session_state.move_history.append(move.uci())
+
+                # ✅ Store message once
+                st.session_state.last_move_msg = f"Moved: {from_sq} → {to_sq}"
+
+            else:
+                st.session_state.last_move_msg = "❌ Illegal move!"
 
-# Move history
+        except:
+            st.session_state.last_move_msg = "❌ Invalid input!"
+
+    # ✅ Show message ONCE (not repeating)
+    if st.session_state.last_move_msg:
+        st.success(st.session_state.last_move_msg)
+        st.session_state.last_move_msg = ""   # clear after showing
+
+    # --- Buttons ---
+    col_btn1, col_btn2 = st.columns(2)
+
+    with col_btn1:
+        if st.button("↩️ Undo"):
+            if board.move_stack:
+                board.pop()
+                st.session_state.move_history.pop()
+
+    with col_btn2:
+        if st.button("🔄 Reset"):
+            st.session_state.board = chess.Board()
+            st.session_state.move_history = []
+
+# ================= HISTORY =================
 st.subheader("📜 Move History")
+
 if st.session_state.move_history:
-    for i, move in enumerate(st.session_state.move_history, 1):
-        st.write(f"{i}. {move}")
+    st.write(", ".join(st.session_state.move_history))
 else:
     st.write("No moves yet")
 
-# Game status
+# ================= STATUS =================
 st.subheader("Game Status")
 
 if board.is_checkmate():