/* Basic floating blue button + popup */
#dbs-chat-button{position:fixed;left:20px;bottom:60px;z-index:99999;cursor:pointer;user-select:none;}
#dbs-chat-btn-inner{font-size:12px;font-weight:700;text-align:center;padding:6px;}
/* popup */
#dbs-chat-popup{
    position: fixed;
    left: 20px;
    bottom: 130px;
    width: 320px;
    max-width: 92%;
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 8px 30px rgba(0,0,0,0.25);
    z-index: 99999;
    font-family: Arial, sans-serif;
    display:none;
}
#dbs-chat-popup.open{display:block;}
.dbs-chat-header{
    display:flex; align-items:center; justify-content:space-between;
    padding:10px 12px; border-bottom:1px solid #eee;
}
.dbs-chat-body{padding:10px;}
#dbs-chat-messages{min-height:70px; max-height:200px; overflow:auto; margin-bottom:8px;}
.dbs-chat-msg{background:#f1f7ff;padding:8px;border-radius:6px;margin-bottom:6px;}
.dbs-chat-form input, .dbs-chat-form textarea{width:100%; margin-bottom:6px; padding:8px; border:1px solid #ddd; border-radius:4px;}
.dbs-chat-form button.button{width:100%; padding:8px; border-radius:6px; border:0; background:#0b79ff; color:white; font-weight:700;}
#dbs-close{background:transparent;border:0;font-size:16px;cursor:pointer;}
/* mobile friendly */
@media (max-width:480px){
    #dbs-chat-popup{left: 10px; right: 10px; bottom: 90px; width:auto;}
    #dbs-chat-button{position:fixed;left:20px;bottom:60px;z-index:99999;cursor:pointer;user-select:none;}
}