/* ==========================================
   INGENR Chatbot Widget — chatbot.css
   ========================================== */

.chatbot {
  position: fixed;
  right: var(--space-6);
  bottom: var(--space-6);
  z-index: var(--z-modal);
  font-family: var(--font-body);
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: var(--space-3);
}

.chatbot__whatsapp {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-full);
  background: #25D366;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-lg);
  text-decoration: none;
  transition: transform var(--transition-base), opacity var(--transition-base);
}

.chatbot__whatsapp:hover {
  transform: translateY(-2px) scale(1.04);
}

.chatbot__whatsapp svg {
  width: 28px;
  height: 28px;
}

.chatbot--open .chatbot__whatsapp {
  opacity: 0;
  pointer-events: none;
  transform: scale(0.8);
}

/* ===== INVITACIÓN JUNTO AL BOTÓN DE WHATSAPP ===== */
.chatbot__wa {
  position: relative;
  display: flex;
}

.chatbot__wa-caption {
  position: absolute;
  right: calc(100% + var(--space-3));
  bottom: 2px;
  width: 250px;
  padding: var(--space-3) var(--space-4);
  background: var(--primary-bg-light);
  color: var(--text-secondary);
  border: var(--border-surface);
  border-radius: var(--radius-lg);
  border-bottom-right-radius: var(--radius-sm);
  box-shadow: var(--shadow-lg);
  font-size: var(--text-sm);
  line-height: var(--leading-snug);
  opacity: 0;
  visibility: hidden;
  transform: translateX(10px);
  transition: opacity var(--transition-base), transform var(--transition-base),
    visibility var(--transition-base);
  pointer-events: none;
}

/* Escritorio: aparece al pasar el mouse o enfocar el botón */
@media (hover: hover) {

  .chatbot__wa:hover .chatbot__wa-caption,
  .chatbot__wa:focus-within .chatbot__wa-caption {
    opacity: 1;
    visibility: visible;
    transform: translateX(0);
    pointer-events: auto;
  }
}

.chatbot__wa-caption-close {
  display: none;
}

/* Celular: el globo va ARRIBA del botón y se muestra vía JS (clase) */
@media (max-width: 768px) {
  .chatbot__wa-caption {
    right: 0;
    bottom: calc(100% + var(--space-2));
    width: min(250px, calc(100vw - 80px));
    padding-right: var(--space-10);
    transform: translateY(8px);
  }

  .chatbot__wa--show-caption .chatbot__wa-caption {
    opacity: 1;
    visibility: visible;
    transform: translateX(0);
    pointer-events: auto;   /* sin esto, la ✕ no recibe el toque en celular */
  }

  .chatbot__wa-caption-close {
    display: flex;
    position: absolute;
    top: 6px;
    right: 6px;
    width: 30px;
    height: 30px;
    align-items: center;
    justify-content: center;
    padding: 0;
    border: none;
    border-radius: var(--radius-full);
    background: var(--surface-glass-strong);
    color: var(--text-secondary);
    cursor: pointer;
    -webkit-tap-highlight-color: transparent;
  }

  .chatbot__wa-caption-close:active {
    background: var(--accent);
    color: var(--primary-bg);
  }

  .chatbot__wa-caption-close svg {
    width: 14px;
    height: 14px;
  }
}

.chatbot__toggle {
  width: 60px;
  height: 60px;
  border-radius: var(--radius-full);
  background: var(--accent);
  color: var(--primary-bg);
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-accent-lg);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.chatbot__toggle:hover {
  transform: translateY(-2px) scale(1.04);
}

.chatbot__toggle-icon {
  position: absolute;
  width: 26px;
  height: 26px;
  transition: opacity var(--transition-fast), transform var(--transition-fast);
}

.chatbot__toggle-icon--close {
  opacity: 0;
  transform: rotate(-45deg);
}

.chatbot--open .chatbot__toggle-icon--open {
  opacity: 0;
  transform: rotate(45deg);
}

.chatbot--open .chatbot__toggle-icon--close {
  opacity: 1;
  transform: rotate(0);
}

.chatbot__panel {
  position: absolute;
  right: 0;
  bottom: calc(100% + var(--space-4));
  width: min(360px, calc(100vw - var(--space-8)));
  height: min(520px, calc(100vh - 140px));
  background: var(--primary-bg-light);
  border: var(--border-surface);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px) scale(0.98);
  transform-origin: bottom right;
  transition: opacity var(--transition-base), transform var(--transition-base), visibility var(--transition-base);
}

.chatbot--open .chatbot__panel {
  opacity: 1;
  visibility: visible;
  transform: translateY(0) scale(1);
}

.chatbot__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4) var(--space-5);
  background: var(--primary-bg-lighter);
  border-bottom: var(--border-subtle);
}

.chatbot__header-title {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: var(--text-base);
  color: var(--text-primary);
}

.chatbot__close {
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  border-radius: var(--radius-sm);
  transition: color var(--transition-fast), background var(--transition-fast);
}

.chatbot__close:hover {
  color: var(--text-primary);
  background: var(--surface-glass);
}

.chatbot__close svg {
  width: 18px;
  height: 18px;
}

.chatbot__messages {
  flex: 1;
  overflow-y: auto;
  padding: var(--space-5);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.chatbot-message {
  max-width: 85%;
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-lg);
  font-size: var(--text-sm);
  line-height: var(--leading-relaxed);
}

.chatbot-message--bot {
  align-self: flex-start;
  background: var(--surface-glass-strong);
  color: var(--text-secondary);
  border-bottom-left-radius: var(--radius-sm);
}

.chatbot-message--user {
  align-self: flex-end;
  background: var(--accent);
  color: var(--primary-bg);
  border-bottom-right-radius: var(--radius-sm);
}

.chatbot-message--notice {
  align-self: center;
  background: transparent;
  border: var(--border-subtle);
  color: var(--text-muted);
  text-align: center;
  font-size: var(--text-xs);
}

.chatbot-message--typing {
  display: flex;
  gap: 4px;
  align-items: center;
  padding: var(--space-3) var(--space-4);
}

.chatbot-message--typing span {
  width: 6px;
  height: 6px;
  border-radius: var(--radius-full);
  background: var(--text-muted);
  animation: chatbot-typing 1.2s infinite ease-in-out;
}

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

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

@keyframes chatbot-typing {

  0%,
  60%,
  100% {
    opacity: 0.3;
    transform: translateY(0);
  }

  30% {
    opacity: 1;
    transform: translateY(-3px);
  }
}

.chatbot__form {
  display: flex;
  gap: var(--space-2);
  padding: var(--space-3);
  border-top: var(--border-subtle);
  background: var(--primary-bg-lighter);
}

.chatbot__input {
  flex: 1;
  background: var(--surface-glass);
  border: var(--border-subtle);
  border-radius: var(--radius-full);
  padding: var(--space-2) var(--space-4);
  color: var(--text-primary);
  font-size: var(--text-sm);
  font-family: var(--font-body);
}

.chatbot__input:focus {
  outline: none;
  border-color: var(--accent);
}

.chatbot__input:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.chatbot__send {
  width: 38px;
  height: 38px;
  flex-shrink: 0;
  border-radius: var(--radius-full);
  background: var(--accent);
  color: var(--primary-bg);
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition-fast), opacity var(--transition-fast);
}

.chatbot__send:hover {
  background: var(--accent-hover);
}

.chatbot__send:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.chatbot__send svg {
  width: 16px;
  height: 16px;
}

@media (max-width: 480px) {
  .chatbot {
    right: var(--space-4);
    bottom: var(--space-4);
  }

  .chatbot__panel {
    width: calc(100vw - var(--space-6));
  }
}