/* دکمه چت */

#hn-chat-button{
    position:fixed;
    bottom:25px;
    right:25px;
    width:68px;
    height:68px;
    border-radius:50%;
    background:linear-gradient(135deg,#2563eb,#3b82f6);
    color:#fff;
    display:flex;
    justify-content:center;
    align-items:center;
    cursor:pointer;
    z-index:999999;
    font-size:28px;
    box-shadow:0 10px 30px rgba(37,99,235,.35);
    transition:.3s;
    user-select:none;
}

#hn-chat-button:hover{
    transform:translateY(-4px) scale(1.08);
    box-shadow:0 18px 40px rgba(37,99,235,.45);
}

/* پنجره چت */

#hn-chat-box{
    position:fixed;
    bottom:105px;
    right:25px;
    width:370px;
    height:560px;
    background:#fff;
    border-radius:18px;
    overflow:hidden;
    display:none;
    z-index:999999;
    box-shadow:0 20px 60px rgba(0,0,0,.20);
    border:1px solid #edf2f7;
}

/* هدر */

#hn-chat-header{
    background:linear-gradient(135deg,#2563eb,#3b82f6);
    color:#fff;
    padding:18px;
    font-size:17px;
    font-weight:700;
}

/* پیام‌ها */

#hn-chat-messages{
    height:425px;
    overflow-y:auto;
    padding:18px;
    background:#f8fafc;
}

/* اسکرول */

#hn-chat-messages::-webkit-scrollbar{
    width:6px;
}

#hn-chat-messages::-webkit-scrollbar-thumb{
    background:#cbd5e1;
    border-radius:20px;
}

/* فوتر */

#hn-chat-footer{
    display:flex;
    gap:10px;
    padding:15px;
    background:#fff;
    border-top:1px solid #edf2f7;
}

/* اینپوت */

#hn-chat-input{
    flex:1;
    border:1px solid #dbe4ee;
    border-radius:12px;
    padding:12px 15px;
    outline:none;
    font-size:14px;
    transition:.2s;
}

#hn-chat-input:focus{
    border-color:#2563eb;
    box-shadow:0 0 0 4px rgba(37,99,235,.12);
}

/* دکمه ارسال */

#hn-send{
    border:none;
    border-radius:12px;
    background:linear-gradient(135deg,#2563eb,#3b82f6);
    color:#fff;
    padding:0 22px;
    cursor:pointer;
    transition:.25s;
    font-weight:600;
}

#hn-send:hover{
    transform:translateY(-2px);
    box-shadow:0 8px 20px rgba(37,99,235,.30);
}
/* =======================
   MOBILE OPTIMIZATION
======================= */

@media (max-width: 768px) {

    /* دکمه چت */
    #hn-chat-button{
        width:58px;
        height:58px;
        bottom:15px;
        right:15px;
        font-size:24px;
    }

    /* باکس چت */
    #hn-chat-box{
        width: calc(100% - 20px);
        height: 70vh;
        right:10px;
        bottom:80px;
        border-radius:16px;
    }

    /* هدر */
    #hn-chat-header{
        font-size:15px;
        padding:14px;
    }

    /* پیام‌ها */
    #hn-chat-messages{
        height: calc(70vh - 140px);
        padding:12px;
    }

    /* ورودی */
    #hn-chat-footer{
        padding:10px;
    }

    #hn-chat-input{
        font-size:14px;
        padding:10px;
    }

    #hn-send{
        padding:0 16px;
        font-size:13px;
    }
}