/* Casthink: assistente de IA do site (27/10/2026) */
.ia-botao {
  position: fixed; right: 16px; bottom: 68px; z-index: 31;
  display: flex; align-items: center; gap: 12px; text-align: left;
  width: min(300px, calc(100vw - 32px)); padding: 10px 16px 10px 10px;
  background: var(--tinta); color: var(--gelo); border: 1px solid rgba(183, 154, 217, .35); border-radius: 16px;
  font-family: var(--texto); cursor: pointer;
  box-shadow: 0 14px 30px -14px rgba(28, 23, 18, .7);
  transition: transform .2s ease, border-color .2s ease;
}
.ia-botao:hover { border-color: var(--lilas); transform: translateY(-1px); }
.ia-botao__icone {
  flex: none; display: grid; place-items: center; width: 44px; height: 44px; border-radius: 12px;
  background: linear-gradient(145deg, #6A4596, var(--violet)); color: var(--lilas);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .14);
}
.ia-botao__icone svg { width: 24px; height: 24px; }
.ia-botao__texto { display: grid; gap: 2px; min-width: 0; }
.ia-botao__titulo { font-weight: 600; font-size: 15px; line-height: 1.2; color: var(--branco); }
.ia-botao__giro { font-size: 13.5px; line-height: 1.3; color: rgba(232, 237, 240, .7); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; transition: opacity .25s ease, transform .25s ease; }
.ia-botao__giro--saindo { opacity: 0; transform: translateY(-4px); }
.ia-botao--aberto { display: none; }
@media (prefers-reduced-motion: reduce) { .ia-botao, .ia-botao__giro { transition: none; } .ia-botao:hover { transform: none; } }
@media (max-width: 520px) { .ia-botao { width: min(270px, calc(100vw - 32px)); padding: 8px 14px 8px 8px; gap: 10px; } .ia-botao__icone { width: 38px; height: 38px; border-radius: 10px; } .ia-botao__titulo { font-size: 14px; } .ia-botao__giro { font-size: 12.5px; } }

.ia-painel {
  position: fixed; right: 16px; bottom: 16px; z-index: 40;
  width: min(380px, calc(100vw - 32px)); height: min(560px, calc(100svh - 32px));
  display: flex; flex-direction: column;
  background: var(--branco-gelo); color: var(--tinta);
  border: 1px solid var(--linha-forte); border-radius: 10px; box-shadow: var(--sombra);
}
.ia-painel[hidden] { display: none; }
.ia-topo { display: flex; align-items: flex-start; justify-content: space-between; gap: 12px; padding: 14px 14px 12px 16px; border-bottom: 1px solid var(--linha); }
.ia-titulo { margin: 0; font-family: var(--display); font-weight: 800; font-stretch: 125%; font-variation-settings: "wdth" 125; font-size: 16px; line-height: 1.2; }
.ia-sub { margin: 4px 0 0; font-family: var(--mono); font-size: 11.5px; color: var(--aco); line-height: 1.4; }
.ia-fechar { background: none; border: 0; font-size: 26px; line-height: 1; color: var(--aco); cursor: pointer; padding: 0 4px; }
.ia-msgs { flex: 1; overflow-y: auto; padding: 14px 16px; display: grid; gap: 10px; align-content: start; }
.ia-msg { max-width: 88%; font-size: 14.5px; line-height: 1.5; border-radius: 10px; padding: 10px 12px; }
.ia-msg p { margin: 0; } .ia-msg p + p, .ia-msg ul + p, .ia-msg p + ul { margin-top: 8px; }
.ia-msg ul { margin: 0; padding-left: 18px; }
.ia-msg--ia { background: var(--branco); border: 1px solid var(--linha); justify-self: start; }
.ia-msg--voce { background: var(--violet); color: var(--branco); justify-self: end; }
.ia-sugestoes { display: flex; flex-wrap: wrap; gap: 6px; padding: 0 16px 10px; }
.ia-sugestoes:empty { display: none; }
.ia-sugestao { background: transparent; border: 1px solid var(--linha-forte); border-radius: 999px; padding: 6px 11px; font: 500 13px/1.2 var(--texto); color: var(--tinta); cursor: pointer; }
.ia-sugestao:hover { border-color: var(--violet); color: var(--violet); }
.ia-form { display: flex; gap: 8px; align-items: flex-end; padding: 10px 12px; border-top: 1px solid var(--linha); }
.ia-form textarea { flex: 1; resize: none; font: 15px/1.4 var(--texto); color: var(--tinta); background: var(--branco); border: 1px solid var(--linha-forte); border-radius: 8px; padding: 9px 10px; min-height: 42px; max-height: 110px; }
.ia-form textarea:focus { outline: 2px solid var(--violet); outline-offset: 1px; }
.ia-enviar { padding: 11px 14px; font-size: 14px; }
.ia-enviar:disabled, .ia-form textarea:disabled { opacity: .55; cursor: not-allowed; }
.ia-isca { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.ia-nota { margin: 0; padding: 0 16px 12px; font-size: 12px; color: var(--aco); }
.ia-pensando { display: inline-flex; gap: 4px; }
.ia-pensando span { width: 6px; height: 6px; border-radius: 50%; background: var(--aco); animation: ia-pulso 1s infinite ease-in-out; }
.ia-pensando span:nth-child(2) { animation-delay: .15s; } .ia-pensando span:nth-child(3) { animation-delay: .3s; }
@keyframes ia-pulso { 0%, 80%, 100% { opacity: .25; } 40% { opacity: 1; } }
@media (prefers-reduced-motion: reduce) { .ia-pensando span { animation: none; opacity: .6; } }
@media (max-width: 520px) {
  .ia-painel { right: 0; bottom: 0; width: 100vw; height: min(88svh, 640px); border-radius: 12px 12px 0 0; }
}