import streamlit as st

def apply_custom_styles():
    """Apply custom CSS styles to the application"""
    st.markdown("""
        <style>
        .stApp {
            max-width: 1200px;
            margin: 0 auto;
        }
        
        .stTextInput > div > div > input {
            background-color: #1E1E1E;
            color: #FFFFFF;
            border: 1px solid #4A4A4A;
        }
        
        .stDataFrame {
            background-color: #1E1E1E;
        }
        
        .stButton > button {
            background-color: #FF4B4B;
            color: white;
            border: none;
            border-radius: 4px;
            padding: 0.5rem 1rem;
        }
        
        .stButton > button:hover {
            background-color: #FF6B6B;
        }
        
        h1, h2, h3 {
            color: #FFFFFF;
        }
        
        .metric-card {
            background-color: #262730;
            padding: 1rem;
            border-radius: 8px;
            margin: 0.5rem 0;
        }
        </style>
    """, unsafe_allow_html=True)