@font-face {
    font-family: 'iranyekan';
    src: url('../fonts/iranyekan/woff/iranyekanweblight.woff') format('woff'), url('../fonts/iranyekan/woff/iranyekanweblight.ttf') format('truetype');
    font-weight: normal;
    font-style: normal;
}

body, input, button {
    font-family: 'iranyekan', Tahoma, sans-serif;
    direction: rtl;
    background: #f5f5f5;
    padding: 20px;
}

.chat-title {
    text-align: center;
    margin-bottom: 20px;
    color: #333;
}

.chat-box {
    border: 1px solid #ddd;
    border-radius: 12px;
    background: #fff;
    padding: 15px;
    height: 300px;
    overflow-y: auto;
    margin-bottom: 15px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.05);
}

.chat-message {
    position: relative;
    margin: 10px 0;
    padding: 10px 15px;
    border-radius: 16px;
    max-width: 70%;
    font-size: 14px;
    clear: both;
    line-height: 1.5;
}

    /* پیام‌های کاربر (راست) */
    .chat-message.user {
        background: #cceefc;
        float: right;
        text-align: right;
        border-bottom-right-radius: 0;
    }

        .chat-message.user::after {
            content: "";
            position: absolute;
            top: 0;
            right: -8px;
            width: 0;
            height: 0;
            border-top: 10px solid #cceefc;
            border-left: 10px solid transparent;
        }

    /* پیام‌های سیستم (چپ) */
    .chat-message.system {
        background: #eaeaea;
        float: left;
        text-align: left;
        border-bottom-left-radius: 0;
    }

        .chat-message.system::after {
            content: "";
            position: absolute;
            top: 0;
            left: -8px;
            width: 0;
            height: 0;
            border-top: 10px solid #eaeaea;
            border-right: 10px solid transparent;
        }

.chat-input-container {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 8px;
}

#txtMessage {
    flex: 1;
    padding: 10px 15px;
    border-radius: 25px;
    border: 1px solid #ccc;
    outline: none;
    font-size: 14px;
    text-align: right;
    background: #fff;
}

    #txtMessage::placeholder {
        text-align: right;
        color: #aaa;
    }

#btnSend {
    background: #4caf50;
    color: #fff;
    border: none;
    border-radius: 25px;
    padding: 10px 20px;
    font-size: 14px;
    cursor: pointer;
    transition: 0.3s;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
}

    #btnSend:hover {
        background: #43a047;
    }