import streamlit as st

def set_page_config():
    """Configure Streamlit page settings"""
    st.set_page_config(
        page_title="EduAI Platform",
        page_icon="🎓",
        layout="wide",
        initial_sidebar_state="expanded"
    )

def apply_custom_css():
    """Apply custom CSS styling"""
    st.markdown("""
        <style>
        /* Main app container */
        .stApp {
            max-width: 1200px;
            margin: 0 auto;
        }
        
        /* Sidebar styling */
        .css-1d391kg {
            background-color: white;
            padding: 2rem 1rem;
        }
        
        /* Chat container */
        .chat-container {
            background-color: white;
            border-radius: 10px;
            padding: 20px;
            margin: 10px 0;
            box-shadow: 0 2px 4px rgba(0,0,0,0.1);
        }
        
        /* Message styling */
        .user-message {
            background-color: #007bff;
            color: white;
            padding: 10px 15px;
            border-radius: 15px;
            margin: 5px 0;
            max-width: 80%;
            margin-left: auto;
        }
        
        .assistant-message {
            background-color: #f1f3f5;
            color: #1a1a1a;
            padding: 10px 15px;
            border-radius: 15px;
            margin: 5px 0;
            max-width: 80%;
        }
        
        /* Button styling */
        .stButton button {
            width: 100%;
            border-radius: 0.25rem;
            transition: all 0.2s ease;
        }
        
        .stButton button:hover {
            transform: translateY(-1px);
            box-shadow: 0 4px 6px rgba(0,0,0,0.1);
        }
        
        /* Progress bars */
        .stProgress > div > div {
            background-color: #007bff;
        }
        </style>
    """, unsafe_allow_html=True)