#ap-toggle{position:fixed;bottom:20px;right:20px;width:60px;height:60px;border-radius:50%;background:#0073aa;color:white;display:flex;align-items:center;justify-content:center;font-size:28px;cursor:pointer;z-index:99999}
#ap-window{display:none;position:fixed;bottom:90px;right:20px;width:420px;height:540px;background:white;border:1px solid #ccc;z-index:99999}
#ap-header{padding:10px;font-weight:bold}
#ap-messages{height:450px;overflow:auto;padding:10px}
#ap-controls{display:flex;padding:8px}
#ap-input{flex:1}
.user{text-align:right;margin:8px;font-weight:bold}
.bot{text-align:left;margin:8px;font-style:italic}
.error{color:red;margin:8px}
#typing span{animation:blink 1.4s infinite}
#typing span:nth-child(2){animation-delay:.2s}
#typing span:nth-child(3){animation-delay:.4s}
@keyframes blink{0%,80%,100%{opacity:.2}40%{opacity:1}}

#ap-header{display:flex;justify-content:space-between;align-items:center}#ap-header button{border:none;background:none;cursor:pointer;font-size:18px}