#luna-ai-chat {
    max-width: 600px;
    margin: 40px auto;
    font-family: sans-serif;
}
#chat-window {
    background: #f4f4f4;
    border: 1px solid #ccc;
    padding: 15px;
    height: 300px;
    overflow-y: auto;
    margin-bottom: 10px;
}
#chat-window .user-msg {
    background: #d9fdd3;
    padding: 8px;
    margin-bottom: 6px;
    border-radius: 5px;
}
#chat-window .ai-msg {
    background: #e3e3e3;
    padding: 8px;
    margin-bottom: 6px;
    border-radius: 5px;
}
#chat-input {
    width: 100%;
    height: 60px;
    padding: 10px;
    font-size: 16px;
}
#chat-send {
    width: 100%;
    padding: 10px;
    background: #0073aa;
    color: white;
    border: none;
    font-size: 16px;
    cursor: pointer;
}