.chat-float-btn{
    position:fixed;
    bottom:20px;
    right:20px;
    width:60px;
    height:60px;
    border-radius:50%;
    display:flex;
    align-items:center;
    justify-content:center;
    z-index:1000;
    box-shadow:0 2px 6px rgba(0,0,0,0.3);
}
.chat-widget{
    position:fixed;
    bottom:90px;
    right:20px;
    width:300px;
    max-height:400px;
    background:#fff;
    border:1px solid #ccc;
    border-radius:10px;
    display:none;
    flex-direction:column;
    z-index:1000;
}
.chat-widget.open{display:flex;}
.chat-header{
    background:#0d6efd;
    color:#fff;
    padding:10px;
    font-weight:bold;
    display:flex;
    justify-content:space-between;
    align-items:center;
}
.chat-body{
    padding:10px;
    flex:1;
    overflow-y:auto;
    background:#f8f9fa;
}
.chat-input{
    display:flex;
    border-top:1px solid #ccc;
}
.chat-input input{flex:1;border:none;padding:10px;}
.chat-input button{border:none;}
.chat-message{margin-bottom:8px;}
.chat-message.user{text-align:right;}
.chat-message.bot{text-align:left;}
.chat-close{cursor:pointer;}