#ai-chat-toggle{
    position:fixed;
    bottom:20px;
    right:20px;

    width:60px;
    height:60px;

    background:#2271b1;
    color:#fff;

    border-radius:50%;

    display:flex;
    align-items:center;
    justify-content:center;

    font-size:24px;
    cursor:pointer;

    z-index:999999;

    box-shadow:0 5px 20px rgba(0,0,0,0.2);
}

#ai-chat-window{
    position:fixed;

    right:20px;
    bottom:90px;

    width:320px;
    height:480px;

    background:#fff;

    border-radius:16px;

    overflow:hidden;
    display:none;

    z-index:999999;

    box-shadow:0 10px 40px rgba(0,0,0,0.2);
}

#ai-chat-header{
    background:#2271b1;
    color:#fff;

    padding:14px;

    font-weight:bold;
    font-size:16px;
}

#ai-chat-close{
    float:right;
    cursor:pointer;
    font-size:16px;
}

#ai-chat-messages{
    height:360px;

    overflow-y:auto;

    background:#f5f7fa;

    padding:15px;
}

#ai-chat-input{
    display:flex;

    border-top:1px solid #ddd;

    background:#fff;
}

#ai-chat-input input{
    flex:1;

    border:none;

    padding:14px;

    font-size:14px;

    outline:none;
}

#ai-chat-input button{
    width:60px;

    border:none;

    background:#2271b1;
    color:#fff;

    cursor:pointer;

    font-size:18px;
}

.user-message{
    background:#2271b1;
    color:#fff;

    padding:10px 12px;

    border-radius:12px;

    margin-bottom:12px;

    font-size:14px;

    line-height:1.5;
}

.bot-message{
    background:#fff;

    padding:12px;

    border-radius:12px;

    margin-bottom:12px;

    line-height:1.5;

    font-size:14px;

    box-shadow:0 2px 10px rgba(0,0,0,0.05);
}

.property-card{
    border:1px solid #eee;

    background:#fafafa;

    padding:12px;

    border-radius:12px;

    margin-top:10px;
}

.property-title{
    font-weight:bold;

    margin-bottom:8px;

    font-size:15px;
}

.interest-btn{
    margin-top:10px;

    width:100%;

    border:none;

    background:#2271b1;
    color:#fff;

    padding:10px;

    border-radius:10px;

    cursor:pointer;

    font-size:14px;
}

#ai-dev-register{
    max-width:600px;

    margin:auto;

    padding:20px;
}

#ai-dev-register input{
    width:100%;

    padding:14px;

    margin-bottom:15px;

    border:1px solid #ddd;

    border-radius:10px;
}

#dev-register-btn{
    width:100%;

    border:none;

    background:#2271b1;
    color:#fff;

    padding:15px;

    border-radius:10px;

    cursor:pointer;

    font-size:15px;
}