#tgchat-btn{position:fixed;bottom:20px;width:56px;height:56px;border-radius:999px;background:#111;color:#fff;display:flex;align-items:center;justify-content:center;cursor:pointer;z-index:99999;box-shadow:0 8px 24px rgba(0,0,0,.2)}
#tgchat-box{position:fixed;bottom:90px;width:320px;height:420px;background:#fff;border-radius:16px;box-shadow:0 12px 40px rgba(0,0,0,.18);display:none;flex-direction:column;overflow:hidden;z-index:99999}
#tgchat-head{padding:10px 12px;background:#111;color:#fff;font-size:14px;display:flex;justify-content:space-between;align-items:center}
#tgchat-messages{flex:1;padding:10px;overflow:auto;font-size:13px;line-height:1.4}
.tgchat-m{margin:8px 0;max-width:85%;padding:8px 10px;border-radius:12px}
.tgchat-me{background:#111;color:#fff;margin-left:auto}
.tgchat-bot{background:#f2f2f2;color:#111}
#tgchat-form{display:flex;gap:8px;padding:10px;border-top:1px solid #eee}
#tgchat-input{flex:1;border:1px solid #ddd;border-radius:10px;padding:8px 10px;outline:none}
#tgchat-send{border:none;border-radius:10px;background:#111;color:#fff;padding:8px 12px;cursor:pointer}
#tgchat-note{font-size:12px;color:#777;padding:0 10px 10px}