#nandi-chat-bubble{position:fixed;bottom:26px;right:26px;width:78px;height:78px;cursor:pointer;z-index:9999;}
#nandi-chat-bubble img{width:100%;height:auto;}
#nandi-chat-window{position:fixed;bottom:120px;right:26px;width:360px;height:500px;background:#fff;border-radius:14px;box-shadow:0 0 14px rgba(0,0,0,0.15);display:none;flex-direction:column;z-index:99999;overflow:hidden;}
#nandi-chat-header{display:flex;align-items:center;padding:12px;background:#003c71;color:#fff;font-size:15px;}
#nandi-chat-header img{width:42px;margin-right:10px;}
#nandi-close{margin-left:auto;cursor:pointer;font-size:22px;}
#nandi-chat-messages{flex:1;padding:14px;overflow-y:auto;background:#f6f7fb;}
.nandi-msg-user{text-align:right;margin:6px 0;background:#d4e8ff;display:inline-block;padding:8px 10px;border-radius:8px;}
.nandi-msg-bot{text-align:left;margin:6px 0;background:#eee;display:inline-block;padding:8px 10px;border-radius:8px;}
#nandi-chat-input-bar{display:flex;padding:10px;border-top:1px solid #ddd;}
#nandi-msg-input{flex:1;padding:10px;}
#nandi-send-btn{padding:10px 14px;background:#003c71;color:#fff;border:none;margin-left:6px;cursor:pointer;}