/* ============================================================
   Burbuja de chat del sitio · chat-bubble.css
   Usa los tokens de styles.css (v3.0) — no define paleta propia.
   Se incluye SOLO en páginas fuera de /blog/ y /cotizador/.
   ============================================================ */

.acb-lanzador {
  position: fixed;
  right: 24px;
  bottom: 24px;
  width: 56px;
  height: 56px;
  border-radius: 999px;
  background: var(--teal-deep);
  color: var(--blanco);
  border: none;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: 0 8px 24px rgba(10, 77, 92, 0.35);
  transition: transform 0.25s cubic-bezier(0.16,1,0.3,1), box-shadow 0.25s ease;
  z-index: 9999;
}
.acb-lanzador:hover { transform: translateY(-2px) scale(1.04); box-shadow: 0 10px 28px rgba(10, 77, 92, 0.45); }
.acb-lanzador.acb-atenuado { opacity: 0.55; }
.acb-lanzador.acb-atenuado:hover { opacity: 1; }
.acb-lanzador svg { width: 26px; height: 26px; }
.acb-lanzador .acb-icono-cerrar { display: none; }
.acb-abierto .acb-lanzador .acb-icono-chat { display: none; }
.acb-abierto .acb-lanzador .acb-icono-cerrar { display: block; }

.acb-panel {
  position: fixed;
  right: 24px;
  bottom: 92px;
  width: 320px;
  max-width: calc(100vw - 32px);
  max-height: min(480px, calc(100vh - 140px));
  background: var(--blanco);
  border-radius: var(--r-xl);
  box-shadow: 0 20px 60px rgba(15, 28, 32, 0.22);
  border: 1px solid var(--borde);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  opacity: 0;
  transform: translateY(12px) scale(0.98);
  pointer-events: none;
  transition: opacity 0.2s ease, transform 0.2s cubic-bezier(0.16,1,0.3,1);
  z-index: 9998;
  font-family: var(--font-body);
}
.acb-abierto .acb-panel { opacity: 1; transform: translateY(0) scale(1); pointer-events: auto; }

.acb-header {
  background: var(--teal-deep);
  color: var(--blanco);
  padding: 18px 20px;
}
.acb-header-top { display: flex; align-items: flex-start; justify-content: space-between; gap: 12px; }
.acb-header-titulo { font-family: var(--font-display); font-weight: 600; font-size: 15px; margin: 0; }
.acb-header-wa {
  width: 32px;
  height: 32px;
  border-radius: 999px;
  border: none;
  background: rgba(255, 255, 255, 0.16);
  color: var(--blanco);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  flex-shrink: 0;
  transition: background 0.2s ease;
}
.acb-header-wa:hover { background: rgba(255, 255, 255, 0.28); }
.acb-header-wa svg { width: 16px; height: 16px; }
.acb-header-sub { font-size: 12.5px; color: var(--teal-soft); margin: 2px 0 0; }

.acb-cuerpo { padding: 18px; display: flex; flex-direction: column; gap: 10px; overflow-y: auto; flex: 1; }

.acb-opcion {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  border-radius: var(--r-lg);
  border: 1px solid var(--borde);
  background: var(--niebla);
  cursor: pointer;
  text-align: left;
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 500;
  color: var(--tinta);
  transition: background 0.2s ease, border-color 0.2s ease, transform 0.15s ease;
}
.acb-opcion:hover { background: var(--teal-soft); border-color: var(--teal); transform: translateX(2px); }
.acb-opcion-icono { width: 34px; height: 34px; border-radius: 999px; background: var(--blanco); display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.acb-opcion-icono svg { width: 18px; height: 18px; color: var(--teal-deep); }
.acb-opcion-texto small { display: block; font-weight: 400; color: var(--pizarra); font-size: 12px; margin-top: 1px; }

/* Vista de conversación (Escribir aquí) */
.acb-chat { display: none; flex-direction: column; height: 100%; }
.acb-vista-chat .acb-cuerpo { display: none; }
.acb-vista-chat .acb-chat { display: flex; }

.acb-volver {
  border: none;
  background: none;
  color: var(--teal-soft);
  font-size: 12.5px;
  cursor: pointer;
  padding: 0;
  margin-top: 6px;
  font-family: var(--font-body);
}
.acb-volver:hover { color: var(--blanco); text-decoration: underline; }

.acb-mensajes { flex: 1; overflow-y: auto; padding: 14px 16px; display: flex; flex-direction: column; gap: 8px; }
.acb-msg { max-width: 82%; padding: 9px 13px; border-radius: var(--r-md); font-size: 13.5px; line-height: 1.4; }
.acb-msg-visitante { align-self: flex-end; background: var(--teal); color: var(--blanco); border-bottom-right-radius: 4px; }
.acb-msg-agente { align-self: flex-start; background: var(--niebla); color: var(--tinta); border-bottom-left-radius: 4px; }
.acb-msg-vacio { color: var(--pizarra); font-size: 13px; text-align: center; margin: auto; padding: 0 12px; }

.acb-form { display: flex; gap: 8px; padding: 12px; border-top: 1px solid var(--borde); }
.acb-input {
  flex: 1;
  border: 1px solid var(--borde);
  border-radius: 999px;
  padding: 9px 14px;
  font-family: var(--font-body);
  font-size: 13.5px;
  outline: none;
  color: var(--tinta);
}
.acb-input:focus { border-color: var(--teal); }
.acb-enviar {
  width: 36px;
  height: 36px;
  border-radius: 999px;
  border: none;
  background: var(--teal);
  color: var(--blanco);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  flex-shrink: 0;
  transition: background 0.2s ease;
}
.acb-enviar:hover { background: var(--teal-deep); }
.acb-enviar:disabled { opacity: 0.5; cursor: default; }
.acb-enviar svg { width: 16px; height: 16px; }

.acb-saludo {
  position: fixed;
  right: 24px;
  bottom: 90px;
  max-width: 220px;
  background: var(--blanco);
  color: var(--tinta);
  padding: 12px 16px;
  border-radius: var(--r-lg);
  box-shadow: 0 10px 30px rgba(15, 28, 32, 0.18);
  border: 1px solid var(--borde);
  font-family: var(--font-body);
  font-size: 13.5px;
  line-height: 1.45;
  z-index: 9997;
  opacity: 0;
  transform: translateY(8px);
  pointer-events: none;
  transition: opacity 0.5s ease, transform 0.5s ease;
}
.acb-saludo.acb-visible { opacity: 1; transform: translateY(0); pointer-events: auto; }
.acb-abierto .acb-saludo { opacity: 0; pointer-events: none; }

@media (max-width: 420px) {
  .acb-panel { right: 16px; left: 16px; width: auto; bottom: 84px; }
  .acb-lanzador { right: 16px; bottom: 16px; }
}