#ai-chat-box {
    position: fixed;
    width: 300px;
    background: #fff;
    border: 1px solid #ccc;
    z-index: 9999;
    font-family: Arial, sans-serif;
    box-shadow: 0 0 10px rgba(0,0,0,0.2);
}
#ai-chat-box.bottom-right { bottom: 20px; right: 20px; }
#ai-chat-box.bottom-left { bottom: 20px; left: 20px; }
#ai-chat-box.top-right { top: 20px; right: 20px; }
#ai-chat-box.top-left { top: 20px; left: 20px; }

#ai-chat-messages {
    max-height: 250px;
    overflow-y: auto;
    padding: 10px;
    font-size: 14px;
}
#ai-chat-input {
    width: 70%;
    padding: 8px;
    border: none;
    border-top: 1px solid #ccc;
}
#ai-chat-send {
    width: 28%;
    background: #0073aa;
    color: white;
    border: none;
    cursor: pointer;
}