/* Balão de atendimento. Fora do <style> das páginas porque é compartilhado
   por todas, e duplicar garantiria divergência. */
.sup { position: fixed; right: 18px; bottom: 18px; z-index: 90; font-family: var(--font-body); }

.sup-abrir {
  display: flex; align-items: center; gap: 8px; cursor: pointer;
  background: var(--green-600); color: var(--on-green);
  border: 0; border-radius: 999px; padding: 13px 20px;
  font-size: 14.5px; font-weight: 700; box-shadow: var(--shadow-lift);
}
.sup-abrir:hover { background: var(--green-700); }
.sup-abrir img {
  border-radius: 50%; background: var(--navy-900); padding: 2px;
  box-shadow: 0 0 0 1px rgba(255,255,255,.5);
}

.sup-janela {
  position: absolute; right: 0; bottom: 0; width: min(380px, calc(100vw - 36px));
  display: flex; flex-direction: column; max-height: min(560px, calc(100vh - 60px));
  background: var(--surface); border: 1px solid var(--line);
  border-radius: var(--radius); box-shadow: var(--shadow-lift); overflow: hidden;
}
.sup-janela[hidden] { display: none; }

.sup-topo {
  display: flex; align-items: center; gap: 10px;
  background: var(--navy-900); color: #fff; padding: 13px 15px;
}
.sup-selo { border-radius: 50%; flex: 0 0 auto; }
.sup-topo b { font-size: 14.5px; display: block; }
.sup-topo span { font-size: 11.5px; color: var(--on-navy-soft); }
.sup-fechar {
  margin-left: auto; background: none; border: 0; color: var(--on-navy-soft);
  font-size: 22px; line-height: 1; cursor: pointer; padding: 0 4px;
}
.sup-fechar:hover { color: #fff; }

.sup-corpo { flex: 1; overflow-y: auto; padding: 14px; display: grid; gap: 12px; align-content: start; }

/* Cada fala e uma linha: selo + balao. O selo so aparece do lado do agente. */
.sup-linha { display: flex; gap: 8px; align-items: flex-start; }
.sup-do-eu { justify-content: flex-end; }
.sup-av {
  flex: 0 0 auto; border-radius: 50%; background: var(--navy-900);
  padding: 2px; box-shadow: 0 0 0 1px var(--gold-600);
}

.sup-msg { border-radius: var(--radius); padding: 10px 13px; font-size: 13.5px; line-height: 1.55; max-width: 84%; }
.sup-msg p + p { margin-top: 8px; }
.sup-msg a { color: inherit; text-decoration: underline; text-underline-offset: 2px; }
.sup-bot { background: var(--surface-2); color: var(--ink-soft); }
.sup-eu { background: var(--green-600); color: var(--on-green); }
.sup-esperando { opacity: .6; font-style: italic; }

.sup-form { display: flex; gap: 8px; padding: 12px; border-top: 1px solid var(--line); }
.sup-campo {
  flex: 1; font: inherit; font-size: 14px; padding: 10px 12px;
  border: 1px solid var(--line); border-radius: var(--radius);
  background: var(--ground); color: var(--ink);
}
.sup-campo:focus { outline: 2px solid var(--green-600); outline-offset: 1px; }
.sup-enviar {
  cursor: pointer; border: 0; border-radius: var(--radius);
  background: var(--green-600); color: var(--on-green);
  font-size: 17px; width: 44px;
}

.sup-pe {
  padding: 0 14px 12px; font-size: 11px; color: var(--ink-faint); line-height: 1.5;
}
.sup-pe a { color: var(--green-700); }

@media (max-width: 480px) {
  .sup { right: 12px; bottom: 12px; }
  .sup-janela { width: calc(100vw - 24px); }
}