/* ========================================
   CHATBOT PROFESIONAL Y RESPONSIVO
   ======================================== */

/* Variables CSS */
:root {
  --chatbot-primary: #3b82f6;
  --chatbot-primary-hover: #2563eb;
  --chatbot-secondary: #8b5cf6;
  --chatbot-success: #10b981;
  --chatbot-warning: #f59e0b;
  --chatbot-danger: #ef4444;
  --chatbot-bg: #ffffff;
  --chatbot-surface: #f8fafc;
  --chatbot-border: #e2e8f0;
  --chatbot-text: #1e293b;
  --chatbot-text-muted: #64748b;
  --chatbot-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --chatbot-shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --chatbot-radius: 12px;
  --chatbot-radius-sm: 8px;
  --chatbot-transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ========================================
   BOTÓN FLOTANTE DEL CHATBOT
   ======================================== */

.chatbot-toggle {
  position: fixed;
  bottom: 2rem;
  right: -1rem;
  width: 4rem;
  height: 4rem;
  background: linear-gradient(135deg, var(--chatbot-primary), var(--chatbot-secondary));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: var(--chatbot-shadow-lg);
  transition: var(--chatbot-transition);
  z-index: 1000;
  border: none;
  color: white;
  font-size: 1.5rem;
  position: relative;
  overflow: hidden;
}

.chatbot-toggle:hover {
  transform: translateY(-4px) scale(1.05);
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

.chatbot-toggle::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.2), rgba(255, 255, 255, 0.1));
  border-radius: 50%;
  opacity: 0;
  transition: var(--chatbot-transition);
}

.chatbot-toggle:hover::before {
  opacity: 1;
}

.chatbot-badge {
  position: absolute;
  top: -0.5rem;
  right: -0.5rem;
  background: var(--chatbot-success);
  color: white;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.25rem 0.5rem;
  border-radius: 1rem;
  box-shadow: var(--chatbot-shadow);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.1); }
}

/* ========================================
   CONTENEDOR DEL CHATBOT
   ======================================== */

.chatbot-container {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 400px;
  height: 600px;
  background: var(--chatbot-bg);
  border-radius: var(--chatbot-radius);
  box-shadow: var(--chatbot-shadow-lg);
  border: 1px solid var(--chatbot-border);
  display: flex;
  flex-direction: column;
  z-index: 1001;
  transform: translateY(100%) scale(0.8);
  opacity: 0;
  transition: var(--chatbot-transition);
  overflow: hidden;
}

.chatbot-container.active {
  transform: translateY(0) scale(1);
  opacity: 1;
}

/* ========================================
   HEADER DEL CHATBOT
   ======================================== */

.chatbot-header {
  background: linear-gradient(135deg, var(--chatbot-primary), var(--chatbot-secondary));
  color: white;
  padding: 1rem 1.5rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  position: relative;
}

.chatbot-avatar {
  width: 3rem;
  height: 3rem;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  backdrop-filter: blur(10px);
}

.chatbot-info h3 {
  margin: 0;
  font-size: 1.125rem;
  font-weight: 700;
}

.chatbot-info p {
  margin: 0;
  font-size: 0.875rem;
  opacity: 0.9;
}

.chatbot-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: rgba(255, 255, 255, 0.2);
  border: none;
  color: white;
  width: 2rem;
  height: 2rem;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--chatbot-transition);
  backdrop-filter: blur(10px);
}

.chatbot-close:hover {
  background: rgba(255, 255, 255, 0.3);
  transform: scale(1.1);
}

/* ========================================
   ÁREA DE MENSAJES
   ======================================== */

.chatbot-messages {
  flex: 1;
  padding: 1rem;
  overflow-y: auto;
  background: var(--chatbot-surface);
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.chatbot-messages::-webkit-scrollbar {
  width: 6px;
}

.chatbot-messages::-webkit-scrollbar-track {
  background: transparent;
}

.chatbot-messages::-webkit-scrollbar-thumb {
  background: var(--chatbot-border);
  border-radius: 3px;
}

.chatbot-messages::-webkit-scrollbar-thumb:hover {
  background: var(--chatbot-text-muted);
}

/* ========================================
   MENSAJES
   ======================================== */

.message {
  display: flex;
  gap: 0.75rem;
  animation: slideIn 0.3s ease;
}

@keyframes slideIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.user-message {
  flex-direction: row-reverse;
}

.user-message .message-content {
  background: linear-gradient(135deg, var(--chatbot-primary), var(--chatbot-primary-hover));
  color: white;
  border-radius: var(--chatbot-radius) var(--chatbot-radius) var(--chatbot-radius-sm) var(--chatbot-radius);
}

.bot-message .message-content {
  background: white;
  color: var(--chatbot-text);
  border: 1px solid var(--chatbot-border);
  border-radius: var(--chatbot-radius) var(--chatbot-radius) var(--chatbot-radius) var(--chatbot-radius-sm);
}

.message-avatar {
  width: 2rem;
  height: 2rem;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.875rem;
  flex-shrink: 0;
}

.user-message .message-avatar {
  background: linear-gradient(135deg, var(--chatbot-primary), var(--chatbot-primary-hover));
  color: white;
}

.bot-message .message-avatar {
  background: var(--chatbot-surface);
  color: var(--chatbot-primary);
  border: 1px solid var(--chatbot-border);
}

.message-content {
  max-width: 80%;
  padding: 0.75rem 1rem;
  border-radius: var(--chatbot-radius);
  box-shadow: var(--chatbot-shadow);
}

.message-content p {
  margin: 0;
  line-height: 1.5;
  font-size: 0.875rem;
}

.message-content ul {
  margin: 0.5rem 0;
  padding-left: 1.25rem;
}

.message-content li {
  margin: 0.25rem 0;
  font-size: 0.875rem;
}

/* ========================================
   INDICADOR DE ESCRITURA
   ======================================== */

.chatbot-typing {
  padding: 1rem;
  background: var(--chatbot-surface);
  border-top: 1px solid var(--chatbot-border);
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.typing-indicator {
  display: flex;
  gap: 0.25rem;
}

.typing-indicator span {
  width: 0.5rem;
  height: 0.5rem;
  background: var(--chatbot-primary);
  border-radius: 50%;
  animation: typing 1.4s infinite ease-in-out;
}

.typing-indicator span:nth-child(1) { animation-delay: -0.32s; }
.typing-indicator span:nth-child(2) { animation-delay: -0.16s; }

@keyframes typing {
  0%, 80%, 100% { transform: scale(0.8); opacity: 0.5; }
  40% { transform: scale(1); opacity: 1; }
}

.chatbot-typing p {
  margin: 0;
  color: var(--chatbot-text-muted);
  font-size: 0.875rem;
  font-style: italic;
}

/* ========================================
   ÁREA DE ENTRADA
   ======================================== */

.chatbot-input-area {
  padding: 1rem;
  background: white;
  border-top: 1px solid var(--chatbot-border);
}

.chatbot-input-container {
  display: flex;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

#chatbot-input {
  flex: 1;
  padding: 0.75rem 1rem;
  border: 2px solid var(--chatbot-border);
  border-radius: var(--chatbot-radius-sm);
  font-size: 0.875rem;
  transition: var(--chatbot-transition);
  background: var(--chatbot-surface);
}

#chatbot-input:focus {
  outline: none;
  border-color: var(--chatbot-primary);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.chatbot-send-btn {
  width: 2.5rem;
  height: 2.5rem;
  background: linear-gradient(135deg, var(--chatbot-primary), var(--chatbot-primary-hover));
  border: none;
  border-radius: var(--chatbot-radius-sm);
  color: white;
  cursor: pointer;
  transition: var(--chatbot-transition);
  display: flex;
  align-items: center;
  justify-content: center;
}

.chatbot-send-btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--chatbot-shadow-lg);
}

.chatbot-send-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

/* ========================================
   SUGERENCIAS
   ======================================== */

.chatbot-suggestions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.suggestion-btn {
  background: var(--chatbot-surface);
  border: 1px solid var(--chatbot-border);
  color: var(--chatbot-text);
  padding: 0.5rem 0.75rem;
  border-radius: var(--chatbot-radius-sm);
  font-size: 0.75rem;
  cursor: pointer;
  transition: var(--chatbot-transition);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.suggestion-btn:hover {
  background: var(--chatbot-primary);
  color: white;
  transform: translateY(-1px);
  box-shadow: var(--chatbot-shadow);
}

/* ========================================
   RESPONSIVE DESIGN
   ======================================== */

/* Tablets */
@media (max-width: 768px) {
  .chatbot-container {
    width: 350px;
    height: 500px;
    bottom: 1rem;
    right: 1rem;
  }
  
  .chatbot-toggle {
    bottom: 1rem;
    right: 1rem;
    width: 3.5rem;
    height: 3.5rem;
    font-size: 1.25rem;
  }
}

/* Móviles */
@media (max-width: 480px) {
  .chatbot-container {
    width: calc(100vw - 2rem);
    height: calc(100vh - 2rem);
    max-width: 400px;
    bottom: 1rem;
    right: 1rem;
    left: 1rem;
  }
  
  .chatbot-toggle {
    bottom: 1rem;
    right: 1rem;
    width: 3rem;
    height: 3rem;
    font-size: 1rem;
  }
  
  .chatbot-badge {
    font-size: 0.625rem;
    padding: 0.125rem 0.375rem;
  }
  
  .message-content {
    max-width: 90%;
  }
  
  .chatbot-suggestions {
    flex-direction: column;
  }
  
  .suggestion-btn {
    width: 100%;
    justify-content: center;
  }
}

/* ========================================
   ESTADOS Y ANIMACIONES
   ======================================== */

.hidden {
  display: none !important;
}

.fade-in {
  animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.slide-up {
  animation: slideUp 0.3s ease;
}

@keyframes slideUp {
  from {
    transform: translateY(20px);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

/* ========================================
   MEJORAS DE ACCESIBILIDAD
   ======================================== */

.chatbot-toggle:focus,
.chatbot-send-btn:focus,
.suggestion-btn:focus,
#chatbot-input:focus {
  outline: 2px solid var(--chatbot-primary);
  outline-offset: 2px;
}

/* Reducir animaciones para usuarios que lo prefieren */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* ========================================
   ESTADOS DE CARGA
   ======================================== */

.loading {
  opacity: 0.6;
  pointer-events: none;
}

/*.error-message {
  background: linear-gradient(135deg, #fee2e2, #fecaca);
  color: #dc2626;
  border: 1px solid #fca5a5;
}*/

.success-message {
  background: linear-gradient(135deg, #dcfce7, #bbf7d0);
  color: #166534;
  border: 1px solid #86efac;
}