:root{--fundo:#0f1115;--painel:#171a21;--borda:#262b36;--texto:#e6e8ec;--suave:#949cad;--marca:#2f7d5d;--marca-clara:#3ea277;--bolha-bot:#1e2029;--bolha-cliente:#24513e;--alerta:#b4544a}@media (prefers-color-scheme:light){:root{--fundo:#f3f4f6;--painel:#fff;--borda:#e2e5ea;--texto:#1a1d23;--suave:#6b7280;--bolha-bot:#f1f3f6;--bolha-cliente:#d9efe4}}*{box-sizing:border-box}body{background:var(--fundo);min-height:100vh;color:var(--texto);place-items:center;margin:0;padding:16px;font:15px/1.5 system-ui,-apple-system,Segoe UI,sans-serif;display:grid}.widget{background:var(--painel);border:1px solid var(--borda);border-radius:14px;flex-direction:column;width:min(560px,100%);height:min(720px,100vh - 32px);display:flex;overflow:hidden}.cabecalho{border-bottom:1px solid var(--borda);justify-content:space-between;align-items:center;gap:12px;padding:14px 16px;display:flex}.titulo{font-weight:600}.subtitulo{color:var(--suave);font-size:12px}.conversa{flex-direction:column;flex:1;gap:10px;padding:16px;display:flex;overflow-y:auto}.bolha{white-space:pre-wrap;overflow-wrap:anywhere;border-radius:12px;max-width:85%;padding:10px 13px}.bolha.bot{background:var(--bolha-bot);border-bottom-left-radius:4px;align-self:flex-start}.bolha.cliente{background:var(--bolha-cliente);border-bottom-right-radius:4px;align-self:flex-end}.bolha.erro{color:#fff;background:var(--alerta);align-self:center;font-size:13px}.pensando{color:var(--suave);align-self:flex-start;padding:4px 2px;font-size:13px}.composicao{border-top:1px solid var(--borda);gap:8px;padding:12px;display:flex}.composicao input{font:inherit;color:var(--texto);background:var(--fundo);border:1px solid var(--borda);border-radius:9px;flex:1;padding:11px 13px}.composicao input:focus-visible,.composicao button:focus-visible{outline:2px solid var(--marca-clara);outline-offset:2px}.composicao button{font:inherit;color:#fff;background:var(--marca);cursor:pointer;border:none;border-radius:9px;padding:11px 18px;font-weight:600}.composicao button:disabled{opacity:.5;cursor:not-allowed}