/*
 * GCAPTAL Chat — v1.5.2
 * Arquivo único. Sem camadas sobrepostas. Sem !important desnecessário.
 * Tokens visuais: variáveis injetadas pelo PHP via inline style no .gcaptal-chat-shell.
 * PHP injeta: --gcap-chat-primary, --gcap-chat-accent, --gcap-chat-surface,
 *             --gcap-chat-bot, --gcap-chat-user, --gcap-chat-success,
 *             --gcap-chat-radius, --gcap-chat-font
 */

/* ══════════════════════════════════════════
   1. TOKENS VISUAIS
   Todos os aliases derivados usam diretamente as variáveis PHP.
   Nenhum valor fixo de cor é definido aqui — tudo vem do inline style.
   ══════════════════════════════════════════ */
.gcaptal-chat-shell {
  /* Neutros internos — não dependem das cores da campanha */
  --gcap-gray-50:  #F8FAFC;
  --gcap-gray-100: #F1F5F9;
  --gcap-gray-200: #E2E8F0;
  --gcap-gray-300: #CBD5E1;
  --gcap-gray-400: #94A3B8;
  --gcap-gray-500: #64748B;
  --gcap-gray-700: #334155;
  --gcap-gray-900: #0F172A;

  /* Sombras */
  --gcap-shadow-card: 0 24px 64px rgba(15, 23, 42, .13);
  --gcap-shadow-msg:  0 2px 8px  rgba(15, 23, 42, .06);
  --gcap-shadow-btn:  0 10px 22px rgba(15, 23, 42, .09);

  /* Aliases de cor derivados das variáveis PHP injetadas */
  --gcap-primary-soft:   color-mix(in srgb, var(--gcap-chat-primary) 10%, transparent);
  --gcap-primary-hover:  color-mix(in srgb, var(--gcap-chat-primary)  8%, #FFFFFF);
  --gcap-primary-border: color-mix(in srgb, var(--gcap-chat-primary) 30%, #D1D5DB);
  --gcap-user-dark:      color-mix(in srgb, var(--gcap-chat-user)    90%, #111827);
  --gcap-send-shadow:    0 8px 20px color-mix(in srgb, var(--gcap-chat-primary) 28%, transparent);

  /* Tipografia e forma */
  --gcap-font:           var(--gcap-chat-font, Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif);
  --gcap-radius-bubble:  var(--gcap-chat-radius, 18px);
  --gcap-radius-card:    26px;

  box-sizing: border-box;
  width: 100%;
  color: var(--gcap-gray-900);
  font-family: var(--gcap-font);
}

.gcaptal-chat-shell *,
.gcaptal-chat-shell *::before,
.gcaptal-chat-shell *::after { box-sizing: border-box; }


/* ══════════════════════════════════════════
   2. LAYOUT GERAL
   ══════════════════════════════════════════ */
.gcap-chat-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  gap: 20px;
  width: min(1160px, calc(100% - 32px));
  height: min(860px, calc(100dvh - 40px));
  min-height: 0;
  margin: 20px auto;
}

/* Modo offcanvas */
.gcap-chat-mode-offcanvas {
  position: fixed;
  inset: 0;
  z-index: 999999;
  pointer-events: none;
}
.gcap-chat-mode-offcanvas.is-offcanvas-closed { display: none; }
.gcap-chat-mode-offcanvas.is-offcanvas-open   { display: block; pointer-events: auto; }

.gcap-chat-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(2, 6, 23, .50);
  backdrop-filter: blur(8px);
}

.gcap-chat-mode-offcanvas .gcap-chat-layout {
  position: relative;
  z-index: 1;
  height: calc(100dvh - 40px);
  margin: 20px auto;
}

html.gcap-chat-lock,
body.gcap-chat-lock { overflow: hidden !important; }


/* ══════════════════════════════════════════
   3. CARD PRINCIPAL
   ══════════════════════════════════════════ */
.gcap-chat-card {
  display: flex;
  flex-direction: column;
  height: 100%;
  min-height: 0;
  overflow: hidden;
  border: 1px solid var(--gcap-gray-200);
  border-radius: var(--gcap-radius-card);
  background: var(--gcap-chat-surface, #FFFFFF);
  box-shadow: var(--gcap-shadow-card);
  contain: layout paint;
}


/* ══════════════════════════════════════════
   4. HEADER
   ══════════════════════════════════════════ */
.gcap-chat-header {
  flex: 0 0 auto;
  position: relative;
  z-index: 4;
  display: flex;
  align-items: center;
  gap: 12px;
  min-height: 72px;
  padding: 14px 18px;
  border-bottom: 1px solid var(--gcap-gray-200);
  background: rgba(255, 255, 255, .97);
  backdrop-filter: blur(16px);
}

.gcap-chat-back {
  display: inline-grid;
  place-items: center;
  flex: 0 0 auto;
  width: 34px;
  height: 34px;
  border: none;
  border-radius: 50%;
  background: transparent;
  color: var(--gcap-gray-700);
  font-size: 22px;
  line-height: 1;
  cursor: pointer;
  transition: color .15s ease, background .15s ease;
}
.gcap-chat-back:hover,
.gcap-chat-back:focus-visible {
  color: var(--gcap-chat-primary);
  background: var(--gcap-primary-soft);
  outline: none;
}

.gcap-chat-avatar {
  display: grid;
  place-items: center;
  flex: 0 0 44px;
  width: 44px;
  height: 44px;
  overflow: hidden;
  border-radius: 50%;
  background: var(--gcap-chat-accent, #0F172A);
  color: #FFFFFF;
  font-size: 17px;
  font-weight: 800;
  text-decoration: none;
}
.gcap-chat-avatar img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.gcap-chat-titlebox {
  min-width: 0;
  flex: 1 1 auto;
}
.gcap-chat-header h2 {
  margin: 0;
  color: var(--gcap-gray-900);
  font-size: 15px;
  font-weight: 700;
  line-height: 1.25;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.gcap-chat-header p {
  position: relative;
  margin: 3px 0 0;
  padding-left: 13px;
  color: var(--gcap-gray-500);
  font-size: 12px;
  line-height: 1.3;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.gcap-chat-header p::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 7px;
  height: 7px;
  margin-top: -3.5px;
  border-radius: 50%;
  background: #22C55E;
}

.gcap-chat-online {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  min-height: 26px;
  padding: 0 11px;
  border-radius: 999px;
  background: #DCFCE7;
  color: #15803D;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .01em;
  white-space: nowrap;
}

.gcap-chat-menu {
  display: none;
  place-items: center;
  width: 36px;
  height: 36px;
  min-width: 36px;
  border: 1px solid var(--gcap-gray-200);
  border-radius: 50%;
  background: #FFFFFF;
  color: var(--gcap-gray-700);
  font-size: 20px;
  cursor: pointer;
  transition: background .15s ease, border-color .15s ease;
}
.gcap-chat-menu:hover {
  background: var(--gcap-gray-50);
  border-color: var(--gcap-gray-300);
}


/* ══════════════════════════════════════════
   5. DATA SEPARADORA
   ══════════════════════════════════════════ */
.gcap-chat-date {
  flex: 0 0 auto;
  display: flex;
  justify-content: center;
  padding: 12px 22px 4px;
}
.gcap-chat-date span {
  display: inline-block;
  padding: 5px 14px;
  border-radius: 999px;
  background: var(--gcap-gray-100);
  color: var(--gcap-gray-500);
  font-size: 11.5px;
  font-weight: 500;
}


/* ══════════════════════════════════════════
   6. ÁREA DE MENSAGENS
   ══════════════════════════════════════════ */
.gcap-chat-messages {
  flex: 1 1 auto;
  min-height: 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 22px 22px 28px;
  overflow-y: auto;
  overflow-x: hidden;
  overscroll-behavior: contain;
  scroll-behavior: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  -ms-overflow-style: none;
  background:
    radial-gradient(circle at 18% 6%, color-mix(in srgb, var(--gcap-chat-primary) 5%, transparent), transparent 34%),
    linear-gradient(180deg, var(--gcap-gray-50) 0%, #FFFFFF 60%);
  contain: layout paint;
}
.gcap-chat-messages::-webkit-scrollbar { display: none; }


/* ══════════════════════════════════════════
   7. BOLHAS DE MENSAGEM
   ══════════════════════════════════════════ */
.gcap-msg {
  display: flex;
  align-items: flex-end;
  gap: 8px;
  margin: 3px 0;
}
.gcap-msg.bot,
.gcap-msg.system { justify-content: flex-start; }
.gcap-msg.user,
.gcap-msg.admin  { justify-content: flex-end; }

.gcap-msg .bubble {
  position: relative;
  max-width: min(72%, 640px);
  padding: 12px 16px;
  border-radius: calc(var(--gcap-radius-bubble) + 4px);
  font-size: 14px;
  line-height: 1.52;
  word-break: break-word;
  overflow-wrap: anywhere;
  box-shadow: var(--gcap-shadow-msg);
}

/* Bolha bot */
.gcap-msg.bot .bubble,
.gcap-msg.system .bubble {
  background: var(--gcap-chat-bot, #F1F5F9);
  color: var(--gcap-gray-900);
  border: 1px solid color-mix(in srgb, var(--gcap-chat-bot, #F1F5F9) 60%, var(--gcap-gray-200));
  border-bottom-left-radius: 5px;
}

/* Bolha usuário */
.gcap-msg.user .bubble {
  background: var(--gcap-user-dark);
  color: #FFFFFF;
  border: 1px solid transparent;
  border-bottom-right-radius: 5px;
}

/* Bolha admin */
.gcap-msg.admin .bubble {
  background: #1E293B;
  color: #FFFFFF;
  border: 1px solid transparent;
  border-bottom-right-radius: 5px;
}

.gcap-msg time {
  display: block;
  margin-top: 7px;
  font-size: 10.5px;
  line-height: 1;
  color: var(--gcap-gray-400);
}
.gcap-msg.user time,
.gcap-msg.admin time { color: rgba(255, 255, 255, .62); }

/* Review card */
.gcap-msg.has-review .bubble { max-width: min(84%, 700px); }

.gcap-chat-review {
  margin-top: 12px;
  overflow: hidden;
  border: 1px solid var(--gcap-gray-200);
  border-radius: 14px;
  background: #FFFFFF;
}
.gcap-review-title {
  padding: 11px 14px;
  border-bottom: 1px solid var(--gcap-gray-200);
  color: var(--gcap-gray-900);
  font-size: 12.5px;
  font-weight: 700;
}
.gcap-review-row {
  display: grid;
  grid-template-columns: minmax(100px, .40fr) minmax(0, 1fr);
  gap: 10px;
  padding: 9px 14px;
  border-bottom: 1px solid var(--gcap-gray-100);
}
.gcap-review-row:last-child { border-bottom: 0; }
.gcap-review-row span   { color: var(--gcap-gray-500); font-size: 12px; }
.gcap-review-row strong { color: var(--gcap-gray-900); font-size: 13px; font-weight: 600; }


/* ══════════════════════════════════════════
   8. INDICADOR DE DIGITAÇÃO
   ══════════════════════════════════════════ */
.gcap-chat-typing {
  flex: 0 0 auto;
  min-height: 22px;
  padding: 2px 22px 8px;
  font-size: 0;
}
.gcap-chat-typing span {
  display: inline-block;
  width: 6px;
  height: 6px;
  margin: 0 2px;
  border-radius: 50%;
  background: var(--gcap-gray-400);
  animation: gcapTyping 1.1s ease-in-out infinite;
}
.gcap-chat-typing span:nth-child(2) { animation-delay: .18s; }
.gcap-chat-typing span:nth-child(3) { animation-delay: .36s; }
@keyframes gcapTyping {
  0%, 100% { transform: translateY(0);    opacity: .5; }
  50%       { transform: translateY(-4px); opacity: 1; }
}


/* ══════════════════════════════════════════
   9. OPÇÕES / QUICK REPLIES
   ══════════════════════════════════════════ */
.gcap-options {
  flex: 0 0 auto;
  position: relative;
  padding: 8px 14px 14px;
  background: var(--gcap-gray-50);
  border-top: 1px solid var(--gcap-gray-100);
  overflow: hidden;
}

/* Setas — só visíveis em desktop com mouse (media query abaixo) */
.gcap-options-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  display: none;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  border: 1px solid var(--gcap-gray-200);
  border-radius: 50%;
  background: rgba(255, 255, 255, .96);
  color: var(--gcap-gray-700);
  font-size: 15px;
  line-height: 1;
  cursor: pointer;
  z-index: 2;
  box-shadow: 0 2px 8px rgba(15, 23, 42, .08);
  transition: background .14s ease, border-color .14s ease;
  user-select: none;
}
.gcap-options-arrow:hover {
  background: #FFFFFF;
  border-color: var(--gcap-gray-300);
}
.gcap-options-arrow.gcap-arrow-prev { left: 6px; }
.gcap-options-arrow.gcap-arrow-next { right: 6px; }
.gcap-options-arrow[hidden] { display: none !important; }

.gcap-options-track {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  overflow-y: hidden;
  padding: 6px 2px 8px;
  scroll-snap-type: x proximity;
  -webkit-overflow-scrolling: touch;
  touch-action: pan-x;
  overscroll-behavior-x: contain;
  cursor: grab;
  scrollbar-width: none;
  -ms-overflow-style: none;
}
.gcap-options-track::-webkit-scrollbar { display: none; }
.gcap-options-track.is-dragging {
  cursor: grabbing;
  user-select: none;
}

/* Botão de opção */
.gcap-options-track button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
  min-width: 88px;
  max-width: 260px;
  min-height: 38px;
  padding: 0 16px;
  border: 1.5px solid var(--gcap-primary-border);
  border-radius: 999px;
  background: var(--gcap-primary-hover);
  color: color-mix(in srgb, var(--gcap-chat-primary) 85%, #111827);
  font-size: 13px;
  font-weight: 600;
  line-height: 1;
  white-space: nowrap;
  cursor: pointer;
  scroll-snap-align: start;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
  transition: background .15s ease, border-color .15s ease, color .15s ease,
              transform .15s ease, box-shadow .15s ease;
}
.gcap-options-track button:hover,
.gcap-options-track button:focus-visible {
  background: color-mix(in srgb, var(--gcap-chat-primary) 14%, #FFFFFF);
  border-color: color-mix(in srgb, var(--gcap-chat-primary) 55%, #D1D5DB);
  color: color-mix(in srgb, var(--gcap-chat-primary) 90%, #111827);
  transform: translateY(-1px);
  box-shadow: var(--gcap-shadow-btn);
  outline: none;
}
.gcap-options-track button.is-selected {
  background: var(--gcap-chat-primary);
  border-color: var(--gcap-chat-primary);
  color: #FFFFFF;
  box-shadow: 0 6px 16px color-mix(in srgb, var(--gcap-chat-primary) 22%, transparent);
}
.gcap-options-track button:disabled {
  cursor: default;
  opacity: .68;
  transform: none;
  box-shadow: none;
}


/* ══════════════════════════════════════════
   10. COMPOSER (FORMULÁRIO DE ENVIO)
   ══════════════════════════════════════════ */
.gcap-chat-form {
  flex: 0 0 auto;
  display: flex;
  align-items: flex-end;
  gap: 10px;
  padding: 12px 16px max(18px, env(safe-area-inset-bottom));
  border-top: 1px solid var(--gcap-gray-200);
  background: rgba(255, 255, 255, .98);
  backdrop-filter: blur(16px);
}
.gcap-chat-form.is-composer-hidden { display: none; }

.gcap-chat-form .gcap-chat-input,
.gcap-chat-form input[name="message"],
.gcap-chat-form textarea[name="message"] {
  flex: 1 1 auto;
  min-width: 0;
  min-height: 50px;
  margin: 0;
  padding: 13px 16px;
  border: 1.5px solid var(--gcap-gray-200);
  border-radius: 16px;
  background: var(--gcap-gray-50);
  color: var(--gcap-gray-900);
  font-size: 14px;
  font-family: var(--gcap-font);
  line-height: 1.4;
  outline: none;
  resize: none;
  box-shadow: none;
  transition: border-color .18s ease, box-shadow .18s ease, background .18s ease;
}
.gcap-chat-form .gcap-chat-input::placeholder,
.gcap-chat-form input[name="message"]::placeholder,
.gcap-chat-form textarea[name="message"]::placeholder {
  color: var(--gcap-gray-400);
}
.gcap-chat-form .gcap-chat-input:focus,
.gcap-chat-form input[name="message"]:focus,
.gcap-chat-form textarea[name="message"]:focus {
  border-color: var(--gcap-chat-primary);
  background: #FFFFFF;
  box-shadow: 0 0 0 4px var(--gcap-primary-soft);
}

.gcap-chat-form textarea[name="message"],
.gcap-chat-form textarea.gcap-chat-input {
  height: 50px;
  max-height: 120px;
  line-height: 1.45;
  padding-top: 13px;
  padding-bottom: 13px;
}

.gcap-chat-form input[type="date"],
.gcap-chat-form input[type="time"],
.gcap-chat-form input[type="datetime-local"] {
  cursor: pointer;
  color-scheme: light;
  line-height: 50px;
}
.gcap-chat-form input[type="file"] {
  padding: 12px;
  line-height: 1.2;
  cursor: pointer;
}
.gcap-chat-form input[type="checkbox"][name="message"] {
  flex: 0 0 22px;
  width: 22px;
  min-width: 22px;
  height: 22px;
  min-height: 22px;
  padding: 0;
  border-radius: 7px;
  accent-color: var(--gcap-chat-primary);
  cursor: pointer;
}

/* Botão enviar */
.gcap-chat-send {
  position: relative;
  display: inline-grid;
  place-items: center;
  flex: 0 0 50px;
  width: 50px;
  height: 50px;
  min-width: 50px;
  padding: 0;
  border: none;
  border-radius: 16px;
  background: var(--gcap-chat-primary);
  color: #FFFFFF;
  cursor: pointer;
  box-shadow: var(--gcap-send-shadow);
  transition: transform .16s ease, opacity .16s ease, box-shadow .16s ease;
}
.gcap-chat-send::before {
  content: "";
  width: 18px;
  height: 18px;
  background: currentColor;
  clip-path: polygon(9% 8%, 94% 50%, 9% 92%, 23% 55%, 52% 50%, 23% 45%);
}
.gcap-chat-send span {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}
.gcap-chat-send:hover:not(:disabled) {
  transform: translateY(-1px);
  box-shadow: 0 12px 28px color-mix(in srgb, var(--gcap-chat-primary) 36%, transparent);
}
.gcap-chat-send:disabled {
  opacity: .48;
  cursor: not-allowed;
  box-shadow: none;
  transform: none;
}


/* ══════════════════════════════════════════
   11. AÇÃO / CUPOM / LINK
   ══════════════════════════════════════════ */
.gcap-chat-action {
  margin-top: 10px;
  padding: 13px 14px;
  border: 1px solid #BBF7D0;
  border-radius: 14px;
  background: #F0FDF4;
  color: #14532D;
  font-size: 13px;
  line-height: 1.45;
}
.gcap-chat-action-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 34px;
  margin-top: 8px;
  padding: 0 14px;
  border: 0;
  border-radius: 999px;
  background: var(--gcap-chat-success, #16A34A);
  color: #FFFFFF;
  font-size: 13px;
  font-weight: 700;
  text-decoration: none;
  cursor: pointer;
  transition: opacity .15s ease;
}
.gcap-chat-action-btn:hover { opacity: .88; }
.gcap-chat-coupon-code { letter-spacing: .06em; font-weight: 700; }


/* ══════════════════════════════════════════
   12. PAINEL DE CAMPANHAS RELACIONADAS
   ══════════════════════════════════════════ */
.gcap-chat-related {
  min-width: 0;
  height: max-content;
  max-height: calc(100vh - 72px);
  overflow: hidden;
  padding: 16px;
  border: 1px solid var(--gcap-gray-200);
  border-radius: 22px;
  background: #FFFFFF;
  box-shadow: var(--gcap-shadow-card);
}

.gcap-related-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 12px;
}
.gcap-related-head h3 {
  margin: 0;
  color: var(--gcap-gray-900);
  font-size: 14px;
  font-weight: 700;
}
.gcap-related-head button {
  display: none;
  place-items: center;
  width: 30px;
  height: 30px;
  min-width: 30px;
  border: 1px solid var(--gcap-gray-200);
  border-radius: 50%;
  background: #FFFFFF;
  color: var(--gcap-gray-700);
  font-size: 17px;
  line-height: 1;
  cursor: pointer;
  transition: background .14s ease;
}
.gcap-related-head button:hover { background: var(--gcap-gray-50); }

.gcap-related-scroll {
  display: grid;
  gap: 10px;
  overflow: auto;
  max-height: calc(100vh - 150px);
  padding-right: 2px;
  scrollbar-width: none;
}
.gcap-related-scroll::-webkit-scrollbar { display: none; }

.gcap-related-item {
  display: grid;
  grid-template-columns: 74px 1fr;
  gap: 10px;
  padding: 10px;
  border: 1px solid var(--gcap-gray-100);
  border-radius: 16px;
  color: inherit;
  text-decoration: none;
  transition: border-color .16s ease, box-shadow .16s ease, transform .16s ease;
}
.gcap-related-item:hover {
  transform: translateY(-1px);
  border-color: var(--gcap-gray-300);
  box-shadow: 0 6px 18px rgba(15, 23, 42, .07);
}
.gcap-related-item img {
  width: 74px;
  height: 74px;
  object-fit: cover;
  border-radius: 12px;
  background: var(--gcap-gray-100);
}
.gcap-related-item small  { display: block; color: var(--gcap-gray-500); font-size: 11px; }
.gcap-related-item strong { display: block; margin: 3px 0; color: var(--gcap-gray-900); font-size: 13px; line-height: 1.25; font-weight: 600; }

/* Badge de status */
.gcap-related-item em {
  display: inline-flex;
  align-items: center;
  width: max-content;
  max-width: 100%;
  padding: 3px 9px;
  border-radius: 999px;
  background: #DCFCE7;
  color: #15803D;
  font-size: 11px;
  font-style: normal;
  font-weight: 700;
  letter-spacing: .01em;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}


/* ══════════════════════════════════════════
   13. SECURE BAR (oculta por padrão)
   ══════════════════════════════════════════ */
.gcap-chat-secure { display: none; }


/* ══════════════════════════════════════════
   14. DESKTOP COM MOUSE — setas do carrossel
   ══════════════════════════════════════════ */
@media (hover: hover) and (pointer: fine) {
  .gcap-options {
    padding-left: 38px;
    padding-right: 38px;
  }
  .gcap-options-arrow {
    display: inline-flex;
  }
}


/* ══════════════════════════════════════════
   15. TABLET (≤ 960px)
   ══════════════════════════════════════════ */
@media (max-width: 960px) {
  .gcap-chat-layout {
    grid-template-columns: minmax(0, 1fr);
  }
  .gcap-chat-related {
    position: fixed;
    right: 12px;
    bottom: 80px;
    left: 12px;
    z-index: 8;
    display: none;
    max-height: 200px;
    padding: 10px;
    border-radius: 20px;
  }
  .gcaptal-chat-shell.is-related-open .gcap-chat-related { display: block; }
  .gcap-chat-menu { display: inline-grid; }
  .gcap-related-head button { display: inline-grid; }
  .gcap-related-scroll {
    display: flex;
    gap: 10px;
    overflow-x: auto;
    max-height: none;
    padding-bottom: 4px;
  }
  .gcap-related-item { flex: 0 0 180px; grid-template-columns: 54px 1fr; }
  .gcap-related-item img { width: 54px; height: 54px; }
}


/* ══════════════════════════════════════════
   16. MOBILE (≤ 640px)
   ══════════════════════════════════════════ */
@media (max-width: 640px) {
  .gcaptal-chat-shell,
  .gcap-chat-mode-page {
    position: fixed;
    inset: 0;
    z-index: 999999;
    width: 100%;
    background: #FFFFFF;
  }

  .gcap-chat-backdrop { display: none; }

  .gcap-chat-layout,
  .gcap-chat-mode-offcanvas .gcap-chat-layout {
    display: block;
    width: 100%;
    height: 100dvh;
    margin: 0;
  }

  .gcap-chat-card {
    height: 100dvh;
    min-height: 0;
    border: none;
    border-radius: 0;
    box-shadow: none;
  }

  .gcap-chat-header {
    min-height: 64px;
    padding-top: calc(10px + env(safe-area-inset-top));
    padding-left: 12px;
    padding-right: 12px;
  }

  .gcap-chat-avatar { flex-basis: 40px; width: 40px; height: 40px; }
  .gcap-chat-header h2 {
    font-size: 14px;
    white-space: normal;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
  }
  .gcap-chat-online { display: none; }

  .gcap-chat-messages { padding: 16px 14px 30px; }

  .gcap-msg .bubble {
    max-width: 88%;
    padding: 10px 13px;
    font-size: 13.5px;
  }
  .gcap-msg.has-review .bubble { max-width: 96%; }

  .gcap-review-row { grid-template-columns: 1fr; gap: 3px; padding: 9px 12px; }

  /* Mobile: sem setas, scroll nativo */
  .gcap-options { padding: 6px 12px 12px; }
  .gcap-options-arrow { display: none !important; }
  .gcap-options-track { cursor: default; }
  .gcap-options-track button {
    min-width: 78px;
    min-height: 36px;
    padding: 0 13px;
    font-size: 12.5px;
  }

  .gcap-chat-form {
    gap: 8px;
    padding: 10px 12px max(18px, calc(10px + env(safe-area-inset-bottom)));
  }
  .gcap-chat-form .gcap-chat-input,
  .gcap-chat-form input[name="message"],
  .gcap-chat-form textarea[name="message"] {
    min-height: 46px;
    border-radius: 14px;
    font-size: 15px;
  }
  .gcap-chat-send {
    flex-basis: 46px;
    width: 46px;
    height: 46px;
    min-width: 46px;
    border-radius: 14px;
  }

  .gcap-chat-related {
    right: 8px;
    bottom: calc(64px + env(safe-area-inset-bottom));
    left: 8px;
    max-height: 170px;
  }
}