/**
 * Estilos del widget Bot Plexarian.
 * Paleta: rosa #FF3364, morado #331D40, blanco.
 * Posición: encima del FAB WhatsApp (bottom ~2rem, 60px).
 */
.pb-root {
  --pb-rosa: #ff3364;
  --pb-morado: #331d40;
  --pb-blanco: #ffffff;
  --pb-muted: rgba(255, 255, 255, 0.72);
  --pb-ease: cubic-bezier(0.22, 1, 0.36, 1);
  --pb-wa-clearance: 5.75rem; /* 2rem + 60px + gap */
  position: fixed;
  z-index: 1040; /* debajo de modales; WhatsApp usa 1050 */
  right: 2rem;
  bottom: var(--pb-wa-clearance);
  font-family: "Segoe UI", "Helvetica Neue", Helvetica, Arial, sans-serif;
  pointer-events: none;
}

.pb-root > * {
  pointer-events: auto;
}

.pb-sr {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

.pb-launcher {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  border: 0;
  cursor: pointer;
  border-radius: 999px;
  padding: 0.7rem 1.05rem 0.7rem 0.85rem;
  background: linear-gradient(135deg, var(--pb-morado) 0%, #4a2a5c 55%, var(--pb-rosa) 160%);
  color: var(--pb-blanco);
  box-shadow: 0 10px 28px rgba(51, 29, 64, 0.35);
  font-weight: 650;
  font-size: 0.92rem;
  letter-spacing: 0.01em;
  transition: transform 0.35s var(--pb-ease), box-shadow 0.35s var(--pb-ease);
}

.pb-launcher:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 32px rgba(51, 29, 64, 0.4);
}

.pb-launcher__dot {
  width: 0.55rem;
  height: 0.55rem;
  border-radius: 50%;
  background: var(--pb-rosa);
  box-shadow: 0 0 0 3px rgba(255, 51, 100, 0.25);
}

.pb-panel {
  position: absolute;
  right: 0;
  bottom: calc(100% + 0.75rem);
  width: min(22.5rem, calc(100vw - 1.5rem));
  max-height: min(32rem, calc(100vh - 8rem));
  display: flex;
  flex-direction: column;
  background: var(--pb-blanco);
  color: var(--pb-morado);
  border-radius: 1rem;
  overflow: hidden;
  box-shadow: 0 18px 50px rgba(51, 29, 64, 0.28);
  border: 1px solid rgba(51, 29, 64, 0.08);
  opacity: 0;
  transform: translateY(14px) scale(0.96);
  transform-origin: bottom right;
  pointer-events: none;
  visibility: hidden;
  transition:
    opacity 0.38s var(--pb-ease),
    transform 0.42s var(--pb-ease),
    visibility 0.42s;
}

.pb-panel.is-open {
  opacity: 1;
  transform: translateY(0) scale(1);
  pointer-events: auto;
  visibility: visible;
}

.pb-panel__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 0.9rem 1rem;
  background: linear-gradient(120deg, var(--pb-morado), #452656);
  color: var(--pb-blanco);
}

.pb-panel__eyebrow {
  margin: 0;
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--pb-muted);
}

.pb-panel__title {
  margin: 0.1rem 0 0;
  font-size: 1.05rem;
  font-weight: 700;
}

.pb-panel__close {
  border: 0;
  background: transparent;
  color: var(--pb-blanco);
  font-size: 1.4rem;
  line-height: 1;
  cursor: pointer;
  opacity: 0.85;
  transition: opacity 0.25s ease, transform 0.25s ease;
}

.pb-panel__close:hover {
  opacity: 1;
  transform: rotate(90deg);
}

.pb-panel__messages {
  flex: 1;
  overflow-y: auto;
  padding: 0.9rem;
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
  scroll-behavior: smooth;
  background:
    radial-gradient(ellipse at top right, rgba(255, 51, 100, 0.08), transparent 45%),
    linear-gradient(180deg, #faf8fb, #fff);
}

.pb-bubble {
  max-width: 92%;
  padding: 0.65rem 0.8rem;
  border-radius: 0.75rem;
  white-space: pre-wrap;
  word-break: break-word;
  font-size: 0.88rem;
  line-height: 1.45;
  opacity: 0;
  transform: translateY(8px);
  animation: pb-bubble-in 0.45s var(--pb-ease) forwards;
}

.pb-bubble--bot {
  align-self: flex-start;
  background: #f3eef6;
  color: var(--pb-morado);
}

.pb-bubble--user {
  align-self: flex-end;
  background: var(--pb-rosa);
  color: var(--pb-blanco);
}

.pb-bubble--typing {
  display: inline-flex;
  gap: 0.28rem;
  align-items: center;
  min-width: 3rem;
  padding: 0.75rem 0.95rem;
}

.pb-bubble--typing span {
  width: 0.35rem;
  height: 0.35rem;
  border-radius: 50%;
  background: rgba(51, 29, 64, 0.35);
  animation: pb-dot 1.1s ease-in-out infinite;
}

.pb-bubble--typing span:nth-child(2) {
  animation-delay: 0.15s;
}

.pb-bubble--typing span:nth-child(3) {
  animation-delay: 0.3s;
}

@keyframes pb-bubble-in {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes pb-dot {
  0%,
  80%,
  100% {
    transform: translateY(0);
    opacity: 0.45;
  }
  40% {
    transform: translateY(-3px);
    opacity: 1;
  }
}

.pb-link {
  align-self: flex-start;
  font-size: 0.82rem;
  color: var(--pb-rosa);
  font-weight: 650;
  text-decoration: underline;
  text-underline-offset: 2px;
  opacity: 0;
  animation: pb-bubble-in 0.4s var(--pb-ease) 0.12s forwards;
}

.pb-panel__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  padding: 0 0.9rem 0.55rem;
  opacity: 0;
  transform: translateY(6px);
  transition: opacity 0.35s var(--pb-ease), transform 0.35s var(--pb-ease);
}

.pb-panel__actions.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.pb-chip {
  border: 1px solid rgba(51, 29, 64, 0.18);
  background: var(--pb-blanco);
  color: var(--pb-morado);
  border-radius: 999px;
  padding: 0.35rem 0.7rem;
  font-size: 0.78rem;
  font-weight: 600;
  cursor: pointer;
  transition: border-color 0.25s ease, color 0.25s ease, transform 0.25s ease;
}

.pb-chip:hover {
  border-color: var(--pb-rosa);
  color: var(--pb-rosa);
  transform: translateY(-1px);
}

.pb-panel__form {
  display: flex;
  gap: 0.45rem;
  padding: 0.7rem 0.85rem 0.85rem;
  border-top: 1px solid rgba(51, 29, 64, 0.08);
  background: var(--pb-blanco);
}

.pb-panel__input {
  flex: 1;
  border: 1px solid rgba(51, 29, 64, 0.18);
  border-radius: 0.65rem;
  padding: 0.55rem 0.7rem;
  font-size: 0.88rem;
  color: var(--pb-morado);
  transition: border-color 0.25s ease, box-shadow 0.25s ease;
}

.pb-panel__input:focus {
  outline: none;
  border-color: var(--pb-rosa);
  box-shadow: 0 0 0 3px rgba(255, 51, 100, 0.2);
}

.pb-panel__send {
  border: 0;
  border-radius: 0.65rem;
  padding: 0.55rem 0.85rem;
  background: var(--pb-rosa);
  color: var(--pb-blanco);
  font-weight: 700;
  font-size: 0.82rem;
  cursor: pointer;
  transition: transform 0.25s ease, filter 0.25s ease;
}

.pb-panel__send:hover:not(:disabled) {
  filter: brightness(1.05);
  transform: translateY(-1px);
}

.pb-panel__send:disabled,
.pb-panel__input:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

@media (max-width: 576px) {
  .pb-root {
    --pb-wa-clearance: 5.25rem; /* 1.5rem + 55px + gap */
    right: 1.5rem;
  }

  .pb-panel {
    width: calc(100vw - 1.25rem);
    max-height: min(70vh, calc(100vh - 7rem));
  }
}

@media (prefers-reduced-motion: reduce) {
  .pb-launcher,
  .pb-panel,
  .pb-bubble,
  .pb-link,
  .pb-chip,
  .pb-panel__actions,
  .pb-panel__close,
  .pb-panel__send,
  .pb-panel__input {
    transition: none !important;
    animation: none !important;
  }

  .pb-bubble,
  .pb-link {
    opacity: 1;
    transform: none;
  }
}