/* UFMG Chatbot — minimal */
.ufmg-chatbot{border:1px solid #e5e7eb;border-radius:12px;max-width:720px;background:#fff;overflow:hidden;font-family:system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif}
.ufmg-chatbot__header{padding:12px 14px;background:#0f172a;color:#fff;font-weight:600}
.ufmg-chatbot__log{height:360px;overflow:auto;padding:12px;background:#f8fafc}
.ufmg-chatbot__form{display:flex;gap:10px;padding:12px;background:#fff;border-top:1px solid #e5e7eb}
.ufmg-chatbot__input{flex:1;border:1px solid #cbd5e1;border-radius:10px;padding:10px 12px;font-size:14px}
.ufmg-chatbot__send{border:0;border-radius:10px;padding:10px 14px;background:#2563eb;color:#fff;font-weight:600;cursor:pointer}
.ufmg-chatbot__send:disabled{opacity:.7;cursor:not-allowed}
.ufmg-chatbot__msg{margin:8px 0;display:flex;flex-direction:column}
.ufmg-chatbot__msg--user{align-items:flex-end}
.ufmg-chatbot__msg--assistant{align-items:flex-start}
.ufmg-chatbot__bubble{max-width:86%;white-space:pre-wrap;border-radius:12px;padding:10px 12px;font-size:14px;line-height:1.35;border:1px solid #e2e8f0;background:#fff}
.ufmg-chatbot__msg--user .ufmg-chatbot__bubble{background:#dbeafe;border-color:#bfdbfe}
.ufmg-chatbot__cites{margin-top:6px;max-width:86%;font-size:12px;color:#475569}
.ufmg-chatbot__cite{padding:2px 0}
.ufmg-chatbot__footnote{padding:10px 12px;font-size:12px;color:#64748b;border-top:1px solid #e5e7eb;background:#fff}