/* ============================================================
   ASISTENTE VIRTUAL — botón flotante + panel de conversación
   guiada. Vive en todas las páginas públicas del sitio.
   ============================================================ */

.asis-btn {
  position: fixed;
  right: 1.4rem;
  bottom: 1.4rem;
  z-index: 55;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.9rem 1.2rem;
  border-radius: var(--radio-pildora);
  background: var(--primary);
  color: var(--on-primary);
  box-shadow: var(--sombra-2);
  font-size: 0.8rem;
  font-weight: 600;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}
.asis-btn:hover { transform: translateY(-3px); box-shadow: 0 16px 36px rgba(95, 116, 94, 0.42); }
.asis-btn svg { flex-shrink: 0; }
.asis-btn .asis-btn-texto { white-space: nowrap; }
.asis-btn .asis-punto {
  position: absolute;
  top: -3px;
  right: -3px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--terra);
  border: 2px solid var(--bg);
}
@media (max-width: 639px) {
  .asis-btn { right: 1rem; bottom: 1rem; padding: 0.85rem; }
  .asis-btn .asis-btn-texto { display: none; }
}
body.cookies-activos .asis-btn { bottom: clamp(6.5rem, 38vh, 15rem); }
body.cookies-activos .asis-panel { bottom: clamp(6.5rem, 38vh, 15rem); }
.asis-btn.oculto { display: none; }

/* ---------- Panel de conversación ---------- */
.asis-panel {
  position: fixed;
  right: 1.4rem;
  bottom: 1.4rem;
  z-index: 56;
  width: 360px;
  max-width: calc(100vw - 2rem);
  max-height: min(560px, calc(100vh - 2rem));
  display: flex;
  flex-direction: column;
  border-radius: var(--radio-card-lg);
  background: var(--glass-fuerte);
  border: 1px solid var(--glass-borde);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: var(--sombra-3);
  opacity: 0;
  transform: translateY(16px) scale(0.97);
  pointer-events: none;
  transition: opacity 0.22s ease, transform 0.22s ease;
}
.asis-panel.abierto { opacity: 1; transform: none; pointer-events: auto; }

.asis-cab {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  padding: 1rem 1.1rem;
  border-bottom: 1px solid var(--border);
}
.asis-cab .asis-avatar {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: var(--primary);
  color: var(--on-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.asis-cab .asis-cab-texto { flex: 1; }
.asis-cab .asis-cab-texto strong { display: block; font-size: 0.86rem; }
.asis-cab .asis-cab-texto small { color: var(--text-soft); font-size: var(--t-xs); }
.asis-cerrar {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-soft);
}
.asis-cerrar:hover { background: var(--surface-2); color: var(--text); }

.asis-cuerpo {
  flex: 1;
  overflow-y: auto;
  padding: 1rem 1.1rem;
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
}
.asis-cuerpo::-webkit-scrollbar { width: 6px; }
.asis-cuerpo::-webkit-scrollbar-thumb { background: var(--border); border-radius: var(--radio-pildora); }

.asis-msg {
  max-width: 88%;
  padding: 0.65rem 0.9rem;
  border-radius: var(--radio-card-sm);
  font-size: 0.8rem;
  line-height: 1.5;
  animation: asisIn 0.25s ease both;
}
@keyframes asisIn { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }
.asis-msg.bot {
  align-self: flex-start;
  background: var(--surface-2);
  color: var(--text);
  border-bottom-left-radius: 0.3rem;
}
.asis-msg.usuario {
  align-self: flex-end;
  background: var(--primary);
  color: var(--on-primary);
  border-bottom-right-radius: 0.3rem;
}
.asis-msg.recomendacion {
  align-self: stretch;
  max-width: 100%;
  background: var(--surface);
  border: 1px solid var(--border);
  display: flex;
  gap: 0.7rem;
  align-items: center;
}
.asis-msg.recomendacion .asis-foto {
  width: 44px;
  height: 44px;
  flex-shrink: 0;
  border-radius: var(--radio-control);
  background: var(--surface-2);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  overflow: hidden;
}
.asis-msg.recomendacion .asis-foto img { width: 100%; height: 100%; object-fit: cover; }
.asis-msg.recomendacion .asis-info strong { display: block; font-size: 0.82rem; }
.asis-msg.recomendacion .asis-info span { display: block; font-size: var(--t-xs); color: var(--text-soft); margin-top: 2px; }
.asis-msg.recomendacion .asis-info .precio { color: var(--terra); font-weight: 700; margin-top: 4px; }

.asis-escribiendo { display: flex; gap: 4px; align-self: flex-start; padding: 0.6rem 0.9rem; }
.asis-escribiendo span {
  width: 6px; height: 6px; border-radius: 50%; background: var(--text-soft);
  animation: asisPunto 1s ease-in-out infinite;
}
.asis-escribiendo span:nth-child(2) { animation-delay: 0.15s; }
.asis-escribiendo span:nth-child(3) { animation-delay: 0.3s; }
@keyframes asisPunto { 0%, 60%, 100% { opacity: 0.3; transform: translateY(0); } 30% { opacity: 1; transform: translateY(-3px); } }

.asis-opciones {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  padding: 0 1.1rem 1rem;
}
.asis-opcion {
  padding: 0.55rem 0.9rem;
  border-radius: var(--radio-pildora);
  border: 1.5px solid var(--primary);
  color: var(--primary);
  font-size: 0.75rem;
  font-weight: 600;
  background: transparent;
  transition: background 0.2s ease, color 0.2s ease;
}
.asis-opcion:hover { background: var(--primary); color: var(--on-primary); }
.asis-opcion.terra { border-color: var(--terra); color: var(--terra); }
.asis-opcion.terra:hover { background: var(--terra); color: var(--on-primary); }

.asis-pie {
  padding: 0.8rem 1.1rem;
  border-top: 1px solid var(--border);
  font-size: var(--t-sm);
  color: var(--text-soft);
  text-align: center;
}

/* ============================================================
   BOTÓN DEL ASISTENTE — versión circular con animación de latido
   (sobrescribe los estilos originales del botón de arriba)
   ============================================================ */
.asis-btn {
  width: 62px;
  height: 62px;
  padding: 0;
  justify-content: center;
  border-radius: 50%;
  animation: asis-latido 1.7s ease-in-out infinite;
  transition: box-shadow 0.25s ease;
}
.asis-btn:hover {
  transform: none;
  box-shadow: 0 16px 36px rgba(95, 116, 94, 0.5);
}
.asis-btn .asis-btn-texto { display: none; }
.asis-btn svg { width: 26px; height: 26px; }
.asis-btn .asis-punto { top: 2px; right: 2px; }

/* Onda expansiva detrás del botón */
.asis-btn::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: var(--primary);
  opacity: 0.4;
  z-index: -1;
  animation: asis-onda 1.7s ease-out infinite;
}

/* Latido tipo corazón: dos pulsos y pausa */
@keyframes asis-latido {
  0%   { transform: scale(1); }
  14%  { transform: scale(1.12); }
  28%  { transform: scale(1); }
  42%  { transform: scale(1.1); }
  56%  { transform: scale(1); }
  100% { transform: scale(1); }
}
@keyframes asis-onda {
  0%   { transform: scale(1); opacity: 0.4; }
  70%  { transform: scale(1.6); opacity: 0; }
  100% { transform: scale(1.6); opacity: 0; }
}
@media (max-width: 639px) {
  .asis-btn { width: 56px; height: 56px; padding: 0; }
}
@media (prefers-reduced-motion: reduce) {
  .asis-btn, .asis-btn::before { animation: none; }
}