#naf-chat-bubble {
    position: fixed;
    bottom: 20px;
    right: 20px;
    width: 60px;
    height: 60px;
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: 0 4px 10px rgba(0,0,0,0.25);
    z-index: 9999;
}

#naf-chat-box {
    position: fixed;
    bottom: 90px;
    right: 20px;
    width: 340px;
    height: 480px;
    background: #fff;
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.25);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    z-index: 9999;
    font-family: sans-serif;
    direction: rtl;
}

#naf-chat-header {
    color: #fff;
    padding: 12px;
    font-weight: bold;
    text-align: center;
}

#naf-chat-messages {
    flex: 1;
    padding: 10px;
    overflow-y: auto;
    font-size: 14px;
}

#naf-chat-messages .naf-msg {
    margin-bottom: 8px;
    padding: 8px 10px;
    border-radius: 8px;
    max-width: 85%;
    line-height: 1.4;
    white-space: pre-line;
}

#naf-chat-messages .naf-msg.user {
    background-color: #e8eaf0;
    margin-left: auto;
    text-align: right;
}

#naf-chat-messages .naf-msg.bot {
    background-color: #f1f1f1;
    margin-right: auto;
    text-align: right;
}

#naf-chat-input-area {
    display: flex;
    border-top: 1px solid #eee;
}

#naf-chat-input {
    flex: 1;
    border: none;
    padding: 10px;
    outline: none;
    font-size: 14px;
}

#naf-chat-send {
    color: #fff;
    border: none;
    padding: 0 16px;
    cursor: pointer;
    font-size: 14px;
}