/* Chatbot Styles */
:root {
  --chat-primary: #2563eb;
  --chat-bg: #ffffff;
  --chat-text: #1f2937;
  --chat-border: #e5e7eb;
  --chat-user-msg: #2563eb;
  --chat-user-text: #ffffff;
  --chat-bot-msg: #f3f4f6;
  --chat-bot-text: #1f2937;
}

.dark-mode {
  --chat-bg: #1f2937;
  --chat-text: #f9fafb;
  --chat-border: #374151;
  --chat-user-msg: #3b82f6;
  --chat-bot-msg: #374151;
  --chat-bot-text: #f9fafb;
}

/* Floating Action Button */
.chatbot-toggler {
  position: fixed;
  bottom: 30px;
  right: 90px;
  outline: none;
  border: none;
  height: 50px;
  width: 50px;
  display: flex;
  cursor: pointer;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--chat-primary);
  transition: all 0.2s ease;
  z-index: 9999;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.chatbot-toggler span {
  color: #fff;
  position: absolute;
}

.chatbot-toggler span:last-child,
body.show-chatbot .chatbot-toggler span:first-child {
  opacity: 0;
}

body.show-chatbot .chatbot-toggler span:last-child {
  opacity: 1;
}

/* Chatbot Window */
.chatbot {
  position: fixed;
  right: 90px;
  bottom: 90px;
  width: 350px; /* Ancho fijo para escritorio */
  background: var(--chat-bg);
  border-radius: 15px;
  overflow: hidden;
  opacity: 0;
  pointer-events: none;
  transform: scale(0.5);
  transform-origin: bottom right;
  box-shadow: 0 0 128px 0 rgba(0, 0, 0, 0.1),
    0 32px 64px -48px rgba(0, 0, 0, 0.5);
  transition: all 0.1s ease;
  z-index: 9998;
  display: flex;
  flex-direction: column;
  max-height: 500px; /* Altura máxima */
}

body.show-chatbot .chatbot {
  opacity: 1;
  pointer-events: auto;
  transform: scale(1);
}

/* Header */
.chatbot header {
  padding: 16px 0;
  position: relative;
  text-align: center;
  color: #fff;
  background: var(--chat-primary);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.chatbot header h2 {
  font-size: 1.2rem;
  margin: 0;
  font-weight: 600;
}

.chatbot header span {
  position: absolute;
  right: 15px;
  top: 50%;
  display: none;
  cursor: pointer;
  transform: translateY(-50%);
}

/* Chatbox Messages */
.chatbot .chatbox {
  overflow-y: auto;
  height: 350px; /* Altura fija para el área de mensajes */
  padding: 15px 20px 70px;
  background: var(--chat-bg);
}

.chatbot :where(.chatbox, textarea)::-webkit-scrollbar {
  width: 6px;
}

.chatbot :where(.chatbox, textarea)::-webkit-scrollbar-track {
  background: transparent;
}

.chatbot :where(.chatbox, textarea)::-webkit-scrollbar-thumb {
  background: var(--chat-border);
  border-radius: 25px;
}

.chatbox .chat {
  display: flex;
  list-style: none;
  margin-bottom: 15px;
}

.chatbox .chat p {
  white-space: pre-wrap;
  padding: 12px 16px;
  border-radius: 10px 10px 0 10px;
  max-width: 75%;
  color: #fff;
  font-size: 0.95rem;
  background: var(--chat-primary);
  margin: 0;
  line-height: 1.4;
}

.chatbox .incoming p {
  border-radius: 10px 10px 10px 0;
  color: var(--chat-bot-text);
  background: var(--chat-bot-msg);
}

.chatbox .chat.incoming span {
  width: 32px;
  height: 32px;
  color: #fff;
  cursor: default;
  text-align: center;
  line-height: 32px;
  align-self: flex-end;
  background: var(--chat-primary);
  border-radius: 4px;
  margin: 0 10px 7px 0;
}

.chatbox .chat.outgoing {
  justify-content: flex-end;
  margin-bottom: 15px;
}

.chatbox .chat.outgoing p {
  background: var(--chat-user-msg);
  color: var(--chat-user-text);
  border-radius: 10px 10px 0 10px;
}

/* Chat Input */
.chatbot .chat-input {
  display: flex;
  gap: 5px;
  position: absolute;
  bottom: 0;
  width: 100%;
  background: var(--chat-bg);
  padding: 10px 20px;
  border-top: 1px solid var(--chat-border);
}

.chat-input textarea {
  height: 45px; /* Altura fija inicial */
  width: 100%;
  border: none;
  outline: none;
  resize: none;
  max-height: 100px; /* Altura máxima si crece */
  padding: 12px 0 12px 0;
  font-size: 0.95rem;
  background: transparent;
  color: var(--chat-text);
}

.chat-input span {
  align-self: flex-end;
  color: var(--chat-primary);
  cursor: pointer;
  height: 45px;
  display: flex;
  align-items: center;
  visibility: hidden;
  font-size: 1.35rem;
}

.chat-input textarea:valid ~ span {
  visibility: visible;
}

/* Mobile Responsiveness */
@media (max-width: 490px) {
  .chatbot-toggler {
    right: 80px;
    bottom: 20px;
  }
  .chatbot {
    right: 0;
    bottom: 0;
    height: 100%;
    border-radius: 0;
    width: 100%;
  }
  .chatbot .chatbox {
    height: 90%;
    padding: 25px 15px 100px;
  }
  .chatbot .chat-input {
    padding: 5px 15px;
  }
  .chatbot header span {
    display: block;
  }
}