#bob-bubble{position:fixed;bottom:20px;left:20px;z-index:99999;cursor:pointer}
#bob-bubble img{width:60px;height:60px}
#bob-chat{position:fixed;bottom:90px;left:20px;width:320px;background:#fff;border-radius:12px;box-shadow:0 5px 20px rgba(0,0,0,0.2);display:none;z-index:99999;overflow:hidden}
#bob-header{background:#2C74FF;color:#fff;padding:10px;display:flex;align-items:center;gap:10px}
#bob-header img{width:36px;height:36px}
#bob-messages{height:450px;overflow:auto;padding:10px;background:#fafafa}
.bob-user{background:#fef3f1;color:#000;padding:8px;border-radius:10px;margin:5px 0}
.bob-ai{background:#2C74FF;color:#000;padding:8px;border-radius:10px;margin:5px 0}
#bob-input{display:flex;border-top:1px solid #ddd}
#bob-input input{flex:1;padding:10px;border:none;outline:none}