.gr-button {
        border-radius: 8px;
        padding: 10px 20px;
    }
    
    .gr-button:hover {
        background-color: #2c5282;
        color: white;
    }
    
    .message {
        padding: 15px;
        border-radius: 10px;
        margin: 5px 0;
    }
    
    .user-message {
        background-color: #e2e8f0;
    }
    
    .assistant-message {
        background-color: #ebf8ff;
    }