:root { --fundo:#0b1220; --cartao:#111a2c; --suave:#0e1627; --linha:#223049; --texto:#e8eefc; --apagado:#8fa2c4;
        --marca:#3675b2; --marca-clara:#6ea3d8; --ok:#34d399; --erro:#f87171; --bolha-eu:#1f4f8f; }
* { box-sizing: border-box; }
[hidden] { display: none !important; }
html, body { height: 100%; }
body { margin: 0; background: var(--fundo); color: var(--texto); font: 15px/1.5 system-ui, -apple-system, "Segoe UI", sans-serif; }
.app { max-width: 720px; height: 100dvh; margin: 0 auto; display: flex; flex-direction: column; padding: 0 16px; }
.so-leitor { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }

.topo { display: flex; align-items: center; gap: 12px; padding: 14px 0; border-bottom: 1px solid var(--linha); flex-shrink: 0; }
.avatar { width: 42px; height: 42px; border-radius: 50%; background: linear-gradient(135deg, #1d3f73, var(--marca)); display: grid; place-items: center; flex-shrink: 0; position: relative; }
.avatar img { width: 26px; height: 26px; }
.avatar::after { content: ""; position: absolute; right: 0; bottom: 0; width: 11px; height: 11px; border-radius: 50%; background: var(--ok); border: 2px solid var(--fundo); }
.quem { min-width: 0; flex: 1; }
.quem b { display: block; font-size: 15.5px; }
.quem span { font-size: 12.5px; color: var(--ok); }
.topo .novo { background: transparent; color: var(--apagado); border: 1px solid var(--linha); border-radius: 999px; padding: 6px 12px; font: inherit; font-size: 13px; cursor: pointer; white-space: nowrap; }
.topo .novo:hover { color: var(--texto); }

.inicio { flex: 1; overflow-y: auto; padding: 22px 0 28px; }
.boas-vindas { display: flex; gap: 10px; margin-bottom: 18px; }
.boas-vindas .bolha { background: var(--suave); border: 1px solid var(--linha); border-radius: 16px 16px 16px 4px; padding: 12px 14px; max-width: 520px; }
.boas-vindas .bolha b { display: block; margin-bottom: 4px; font-size: 16px; }
.boas-vindas .bolha p { margin: 0; color: var(--apagado); }
.garantias { display: flex; flex-wrap: wrap; gap: 8px; margin: 0 0 18px 52px; }
.garantias span { font-size: 12.5px; color: var(--apagado); border: 1px solid var(--linha); border-radius: 999px; padding: 4px 10px; }
form.entrada { background: linear-gradient(160deg, var(--cartao), var(--suave)); border: 1px solid var(--linha); border-radius: 18px; padding: 16px; margin-left: 52px; }
.linha2 { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
label { display: block; font-size: 13px; color: var(--apagado); margin: 8px 0 4px; }
input, select, textarea { width: 100%; background: var(--fundo); color: var(--texto); border: 1px solid var(--linha); border-radius: 12px; padding: 11px 12px; font: inherit; }
input:focus, select:focus, textarea:focus { outline: 2px solid var(--marca-clara); outline-offset: 1px; border-color: transparent; }
.entrada textarea { min-height: 90px; resize: vertical; }
.botao { width: 100%; margin-top: 12px; background: var(--marca); color: #fff; border: 0; border-radius: 12px; padding: 13px 16px; font: inherit; font-weight: 700; font-size: 15.5px; cursor: pointer; }
.botao:hover { filter: brightness(1.08); }
.botao:disabled { opacity: .6; cursor: default; }
.erro { color: var(--erro); font-size: 14px; min-height: 0; margin: 6px 0 0; text-align: center; }
.erro:empty { display: none; }
.armadilha { position: absolute; left: -10000px; width: 1px; height: 1px; overflow: hidden; }
.privacidade { font-size: 12px; color: var(--apagado); margin: 10px 0 0; }

.chat { flex: 1; display: flex; flex-direction: column; min-height: 0; }
.faixa { font-size: 12.5px; color: var(--apagado); text-align: center; padding: 8px 0 2px; }
.faixa .protocolo { font-family: ui-monospace, Menlo, monospace; color: var(--marca-clara); }
.mensagens { flex: 1; overflow-y: auto; display: flex; flex-direction: column; gap: 4px; padding: 10px 2px 14px; overscroll-behavior: contain; }
.dia { align-self: center; font-size: 12px; color: var(--apagado); background: var(--suave); border: 1px solid var(--linha); border-radius: 999px; padding: 2px 10px; margin: 10px 0 6px; }
.msg { max-width: 82%; padding: 8px 12px 6px; border-radius: 16px; white-space: pre-wrap; overflow-wrap: anywhere; animation: entra .18s ease-out; }
.msg .hora { display: block; text-align: right; font-size: 11px; color: var(--apagado); margin-top: 2px; }
.msg.cliente { align-self: flex-end; background: var(--bolha-eu); border-bottom-right-radius: 5px; }
.msg.cliente .hora { color: #b9cdea; }
.msg.cliente .hora .visto { color: #7dd3fc; }
.msg.equipe { align-self: flex-start; background: var(--suave); border: 1px solid var(--linha); border-bottom-left-radius: 5px; }
.msg.equipe .nome { display: block; font-size: 12px; font-weight: 700; color: var(--marca-clara); margin-bottom: 1px; }
.msg.sistema { align-self: center; background: none; color: var(--apagado); font-size: 13px; text-align: center; max-width: 92%; }
.msg.enviando { opacity: .6; }
.msg .anexo { display: block; margin-top: 6px; }
.msg .anexo img { display: block; max-width: 240px; max-height: 240px; border-radius: 10px; }
.msg .anexo a { color: inherit; text-decoration: underline; }
.digitando { align-self: flex-start; color: var(--apagado); font-size: 13px; padding: 4px 6px; }
@keyframes entra { from { opacity: 0; transform: translateY(4px); } to { opacity: 1; transform: none; } }
@media (prefers-reduced-motion: reduce) { .msg { animation: none; } }

.avaliar { flex-shrink: 0; border: 1px solid var(--linha); background: var(--suave); border-radius: 14px; padding: 12px; margin-bottom: 8px; text-align: center; }
.avaliar-botoes { display: flex; justify-content: center; gap: 10px; margin: 8px 0; }
.avaliar-botoes button { background: var(--cartao); color: var(--texto); border: 1px solid var(--linha); border-radius: 999px; padding: 8px 18px; font: inherit; cursor: pointer; }
.avaliar-botoes button:hover { border-color: var(--marca-clara); }

.compositor { flex-shrink: 0; display: flex; align-items: flex-end; gap: 8px; padding: 10px 0 max(12px, env(safe-area-inset-bottom)); border-top: 1px solid var(--linha); background: var(--fundo); }
.compositor textarea { flex: 1; min-height: 46px; max-height: 160px; resize: none; border-radius: 22px; padding: 12px 16px; line-height: 1.4; }
.clipe { width: 46px; height: 46px; margin: 0; border-radius: 50%; display: grid; place-items: center; color: var(--apagado); cursor: pointer; flex-shrink: 0; border: 1px solid var(--linha); }
.clipe:hover { color: var(--texto); }
.enviar { width: 46px; height: 46px; border-radius: 50%; border: 0; background: var(--marca); color: #fff; display: grid; place-items: center; cursor: pointer; flex-shrink: 0; }
.enviar:disabled { opacity: .5; cursor: default; }
.rodape-chat { font-size: 12px; color: var(--apagado); text-align: center; padding-bottom: 8px; }
.rodape-chat button { background: none; border: 0; color: var(--marca-clara); font: inherit; cursor: pointer; padding: 0; text-decoration: underline; }
.rodape-chat .perigo { color: var(--apagado); }
.copiado { color: var(--ok) !important; }

@media (max-width: 600px) {
  .linha2 { grid-template-columns: 1fr; }
  form.entrada, .garantias { margin-left: 0; }
  .msg { max-width: 88%; }
  .msg .anexo img { max-width: 200px; }
}