.vivi-chat {
  position: fixed;
  right: 22px;
  /* Empilhado acima do botão flutuante de WhatsApp (56-58px + 22-26px de
     offset nas duas páginas): sem esse espaço os dois botões se sobrepõem. */
  bottom: 92px;
  z-index: 70;
  font-family: 'Inter', system-ui, sans-serif;
}

.vivi-chat-toggle {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  border: none;
  background: linear-gradient(135deg, #fff1a8, #f4c95d);
  color: #1a2332;
  display: grid;
  place-items: center;
  cursor: pointer;
  box-shadow: 0 10px 28px rgba(58, 91, 138, .32);
  transition: transform .2s ease;
}

.vivi-chat-toggle:hover { transform: scale(1.06); }
.vivi-chat-toggle svg { width: 26px; height: 26px; }
.vivi-chat-icon-close { display: none; }
.vivi-chat.open .vivi-chat-icon-open { display: none; }
.vivi-chat.open .vivi-chat-icon-close { display: block; }

.vivi-chat-bubble-cta {
  position: absolute;
  right: 0;
  bottom: calc(100% + 14px);
  display: flex;
  align-items: center;
  gap: 8px;
  background: #ffffff;
  color: #1a2332;
  padding: 10px 14px;
  border-radius: 14px;
  box-shadow: 0 12px 32px rgba(20, 30, 50, .2);
  border: 1px solid rgba(26, 35, 50, .08);
  white-space: nowrap;
  cursor: pointer;
  animation: vivi-bubble-in .3s ease;
}

/* "Rabinho" do balão apontando para o botão da Vivi. */
.vivi-chat-bubble-cta::after {
  content: '';
  position: absolute;
  top: 100%;
  right: 22px;
  width: 12px;
  height: 12px;
  background: #ffffff;
  border-right: 1px solid rgba(26, 35, 50, .08);
  border-bottom: 1px solid rgba(26, 35, 50, .08);
  transform: translateY(-50%) rotate(45deg);
}

.vivi-chat-bubble-cta[hidden] {
  display: none;
}

/* Some sozinho com um fade suave em vez de sumir abruptamente — a classe é
   aplicada pelo JS um instante antes de marcar [hidden]. */
.vivi-chat-bubble-cta.leaving {
  animation: vivi-bubble-out .3s ease forwards;
}

.vivi-chat-bubble-text {
  font-size: 13.5px;
  font-weight: 600;
}

@keyframes vivi-bubble-in {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes vivi-bubble-out {
  from { opacity: 1; transform: translateY(0); }
  to { opacity: 0; transform: translateY(6px); }
}

.vivi-chat-panel {
  position: fixed;
  right: 22px;
  bottom: 160px;
  width: min(370px, calc(100vw - 32px));
  height: min(560px, calc(100vh - 200px));
  background: #ffffff;
  border-radius: 20px;
  box-shadow: 0 28px 80px rgba(20, 30, 50, .24);
  border: 1px solid rgba(26, 35, 50, .08);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

/* Sem isso, o display:flex acima tem mais especificidade que o
   "display: none" que o browser aplica por padrão a [hidden], e o painel
   nunca some quando o JS marca panel.hidden = true ao fechar. */
.vivi-chat-panel[hidden] {
  display: none;
}

.vivi-chat-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 18px;
  background: #1a2332;
  color: #fff;
  flex-shrink: 0;
}

.vivi-chat-header-info { display: flex; align-items: center; gap: 12px; }

.vivi-chat-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: linear-gradient(135deg, #fff1a8, #f4c95d);
  color: #1a2332;
  display: grid;
  place-items: center;
  font-weight: 800;
  font-size: 15px;
  flex-shrink: 0;
}

.vivi-chat-header-info strong { display: block; font-size: 14.5px; font-weight: 700; line-height: 1.3; }
.vivi-chat-header-info small { display: block; font-size: 12px; color: rgba(255, 255, 255, .68); line-height: 1.3; }

.vivi-chat-close {
  border: none;
  background: transparent;
  color: rgba(255, 255, 255, .82);
  font-size: 22px;
  line-height: 1;
  cursor: pointer;
  padding: 4px 6px;
}
.vivi-chat-close:hover { color: #fff; }

.vivi-chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  background: #eff5fb;
}

.vivi-chat-msg { display: flex; }
.vivi-chat-msg-user { justify-content: flex-end; }
.vivi-chat-msg-assistant { justify-content: flex-start; }

.vivi-chat-bubble {
  max-width: 82%;
  padding: 10px 14px;
  border-radius: 16px;
  font-size: 14px;
  line-height: 1.45;
  white-space: pre-wrap;
  word-wrap: break-word;
}

.vivi-chat-msg-assistant .vivi-chat-bubble {
  background: #ffffff;
  color: #1a2332;
  border-bottom-left-radius: 4px;
  box-shadow: 0 2px 10px rgba(26, 35, 50, .06);
}

.vivi-chat-msg-user .vivi-chat-bubble {
  background: #3a5b8a;
  color: #fff;
  border-bottom-right-radius: 4px;
}

/* Formatação estilo WhatsApp (*negrito*, _itálico_, ~tachado~, ```código```)
   convertida em HTML por formatWhatsappText() no vivi-chat.js. */
.vivi-chat-bubble strong { font-weight: 700; }
.vivi-chat-bubble em { font-style: italic; }
.vivi-chat-bubble del { text-decoration: line-through; }
.vivi-chat-bubble code {
  font-family: 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, monospace;
  font-size: 12.5px;
  background: rgba(26, 35, 50, .08);
  border-radius: 4px;
  padding: 1px 5px;
}
.vivi-chat-msg-user .vivi-chat-bubble code { background: rgba(255, 255, 255, .18); }

.vivi-chat-typing {
  display: flex;
  gap: 4px;
  padding: 0 16px 10px;
  background: #eff5fb;
  flex-shrink: 0;
}

/* Mesmo problema do painel: display:flex teria mais especificidade que o
   display:none padrão do atributo [hidden], mantendo o indicador sempre
   visível mesmo quando o JS marca typingEl.hidden = true. */
.vivi-chat-typing[hidden] {
  display: none;
}

.vivi-chat-typing span {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #8a94a3;
  animation: vivi-typing-bounce 1.1s infinite ease-in-out;
}
.vivi-chat-typing span:nth-child(2) { animation-delay: .15s; }
.vivi-chat-typing span:nth-child(3) { animation-delay: .3s; }

@keyframes vivi-typing-bounce {
  0%, 60%, 100% { transform: translateY(0); opacity: .5; }
  30% { transform: translateY(-4px); opacity: 1; }
}

.vivi-chat-form {
  display: flex;
  gap: 8px;
  padding: 12px;
  border-top: 1px solid rgba(26, 35, 50, .08);
  background: #fff;
  flex-shrink: 0;
}

.vivi-chat-input {
  flex: 1;
  border: 1.5px solid rgba(26, 35, 50, .14);
  border-radius: 12px;
  padding: 10px 13px;
  font-size: 14px;
  font-family: inherit;
  outline: none;
  color: #1a2332;
  background: #eff5fb;
}
.vivi-chat-input:focus { border-color: #3a5b8a; background: #fff; }
.vivi-chat-input:disabled { opacity: .6; }

.vivi-chat-send {
  width: 40px;
  height: 40px;
  flex-shrink: 0;
  border: none;
  border-radius: 12px;
  background: #3a5b8a;
  color: #fff;
  display: grid;
  place-items: center;
  cursor: pointer;
  transition: background .2s ease;
}
.vivi-chat-send:hover { background: #2f4a72; }
.vivi-chat-send svg { width: 18px; height: 18px; }

@media (max-width: 480px) {
  .vivi-chat { right: 16px; bottom: 86px; }
  .vivi-chat-panel {
    right: 16px;
    left: 16px;
    width: auto;
    bottom: 154px;
  }
  .vivi-chat-bubble-cta {
    white-space: normal;
    max-width: calc(100vw - 88px);
  }
}