#chatWidgetToggle{
  position:fixed;bottom:1.25rem;right:1.25rem;z-index:900;
  display:flex;align-items:center;gap:6px;
  border:none;border-radius:999px;padding:.7rem 1.15rem;
  background:var(--accent);color:#fff;font:inherit;font-weight:600;font-size:.9rem;
  cursor:pointer;box-shadow:0 4px 14px rgba(0,0,0,.22);
}
#chatWidgetToggle:hover{filter:brightness(1.08);}

#chatWidgetPanel{
  position:fixed;bottom:4.75rem;right:1.25rem;z-index:900;
  width:min(360px,calc(100vw - 2rem));max-height:min(60vh,520px);
  display:none;flex-direction:column;
  background:var(--card);color:var(--ink);
  border:1px solid var(--line);border-radius:14px;
  box-shadow:0 10px 30px rgba(0,0,0,.25);overflow:hidden;
}
#chatWidgetPanel.open{display:flex;}

#chatWidgetHeader{
  padding:.7rem .9rem;border-bottom:1px solid var(--line);
  font-weight:700;font-size:.92rem;display:flex;justify-content:space-between;align-items:center;
}
#chatWidgetClose{
  background:none;border:none;color:var(--muted);font-size:1.1rem;line-height:1;cursor:pointer;padding:2px 4px;
}
#chatWidgetClose:hover{color:var(--ink);}

#chatNewConversation{
  background:none;border:none;color:var(--link);font:inherit;font-size:.78rem;font-weight:600;
  cursor:pointer;padding:2px 6px;margin-right:.35rem;
}
#chatNewConversation:hover{text-decoration:underline;}

#chatMessages{flex:1;overflow-y:auto;padding:.75rem .9rem;display:flex;flex-direction:column;gap:.5rem;}
#chatWidgetPanel .chat-hint{color:var(--muted);font-size:.82rem;margin:0 0 .25rem;}

.chat-msg{max-width:88%;padding:.5rem .7rem;border-radius:10px;font-size:.88rem;line-height:1.45;white-space:pre-wrap;}
.chat-msg-user{align-self:flex-end;background:var(--accent);color:#fff;border-bottom-right-radius:3px;}
.chat-msg-bot{align-self:flex-start;background:rgba(127,127,127,.14);color:var(--ink);border-bottom-left-radius:3px;}
.chat-msg-pending{opacity:.7;font-style:italic;}
.chat-msg code{font-family:ui-monospace,SFMono-Regular,Consolas,monospace;font-size:.85em;background:rgba(127,127,127,.2);padding:.1em .3em;border-radius:4px;}
.chat-msg-user code{background:rgba(255,255,255,.25);}

#chatForm{display:flex;gap:.4rem;border-top:1px solid var(--line);padding:.6rem;}
#chatInput{
  flex:1;min-width:0;border:1px solid var(--line);border-radius:8px;
  padding:.5rem .6rem;background:var(--bg);color:var(--ink);font:inherit;font-size:.88rem;
}
#chatInput:focus{outline:2px solid var(--accent);outline-offset:1px;}
#chatSend{
  border:none;border-radius:8px;padding:.5rem .8rem;background:var(--accent2);color:#fff;
  font:inherit;font-weight:600;font-size:.85rem;cursor:pointer;
}
#chatSend:disabled{opacity:.6;cursor:default;}
#chatSend:hover:not(:disabled){filter:brightness(1.08);}