/* آیکون چت شناور */
#chat-icon {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background: linear-gradient(135deg, #6a5af9, #9d7cff);
    color: #fff;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    text-align: center;
    line-height: 60px;
    cursor: pointer;
    z-index: 9999;
    font-size: 28px;
    box-shadow: 0 6px 20px rgba(0,0,0,0.3);
    transition: transform 0.2s, box-shadow 0.2s;
}

#chat-icon:hover {
    transform: scale(1.1);
    box-shadow: 0 10px 25px rgba(0,0,0,0.35);
}

/* پنجره چت */
#chat-box {
    width: 350px;
    height: 450px;
    position: fixed;
    bottom: 90px;
    right: 20px;
    border-radius: 15px;
    background: #ffffff;
    display: flex;
    flex-direction: column;
    padding: 10px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.25);
    z-index: 9999;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    overflow: hidden;
}

/* بخش پیام‌ها */
#chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: 10px;
    background: #f5f5f5;
    border-radius: 10px;
    margin-bottom: 10px;
    scrollbar-width: thin;
    scrollbar-color: #ccc #f5f5f5;
}

/* استایل اسکرولر */
#chat-messages::-webkit-scrollbar {
    width: 6px;
}
#chat-messages::-webkit-scrollbar-track {
    background: #f5f5f5;
}
#chat-messages::-webkit-scrollbar-thumb {
    background-color: #6a5af9;
    border-radius: 3px;
}

/* ورودی و دکمه ارسال */
#chat-input {
    flex: none;
    width: 75%;
    padding: 8px 10px;
    border: 1px solid #ccc;
    border-radius: 20px;
    outline: none;
    margin-right: 5px;
}

#chat-send {
    width: 22%;
    padding: 8px;
    background: linear-gradient(135deg, #6a5af9, #9d7cff);
    color: #fff;
    border: none;
    border-radius: 20px;
    cursor: pointer;
    transition: background 0.3s;
}

#chat-send:hover {
    background: linear-gradient(135deg, #9d7cff, #6a5af9);
}

/* حباب پیام‌ها */
#chat-messages div {
    margin-bottom: 8px;
    padding: 8px 12px;
    border-radius: 15px;
    max-width: 80%;
    word-wrap: break-word;
}

/* پیام کاربر */
#chat-messages div strong:contains("شما:") {
    background: #6a5af9;
    color: #fff;
    margin-left: auto;
    display: inline-block;
}

/* پیام چت‌بات */
#chat-messages div strong:contains("چت‌بات:") {
    background: #e0e0e0;
    color: #333;
    margin-right: auto;
    display: inline-block;
}