#ai-chat-btn{
    position:fixed;
    bottom:20px;
    right:20px;
    width:65px;
    height:65px;
    background:#0d6efd;
    color:#fff;
    border-radius:50%;
    display:flex;
    align-items:center;
    justify-content:center;
    font-size:30px;
    cursor:pointer;
    z-index:99999;
    box-shadow:0 5px 20px rgba(0,0,0,0.3);
}

#ai-chat-box{
    position:fixed;
    bottom:100px;
    right:20px;
    width:370px;
    height:550px;
    background:#fff;
    border-radius:15px;
    overflow:hidden;
    display:none;
    z-index:99999;
    box-shadow:0 10px 25px rgba(0,0,0,0.3);
    font-family:Arial,sans-serif;
}

.chat-header{
    background:#0d6efd;
    color:#fff;
    padding:16px;
    font-size:20px;
    font-weight:700;
}

.chat-body{
    height:390px;
    overflow-y:auto;
    padding:15px;
    background:#f4f7fb;
}

.bot-msg,
.user-msg{
    padding:12px;
    border-radius:12px;
    margin-bottom:12px;
    max-width:85%;
    line-height:1.5;
}

.bot-msg{
    background:#e9ecef;
}

.user-msg{
    background:#0d6efd;
    color:#fff;
    margin-left:auto;
}

.chat-footer{
    display:flex;
    border-top:1px solid #ddd;
}

.chat-footer input{
    flex:1;
    border:none;
    padding:15px;
    outline:none;
}

.chat-footer button{
    border:none;
    background:#0d6efd;
    color:#fff;
    padding:0 22px;
    cursor:pointer;
}

#voice-btn{
    width:100%;
    border:none;
    background:#198754;
    color:#fff;
    padding:12px;
    cursor:pointer;
    font-size:16px;
}