#chat-container {
  position: fixed;
  bottom: 160px;
  right: 20px;
  z-index: var(--z-chatbot);
  transition: all var(--transition-normal);
}

#chat-container:hover {
  transform: scale(1.02);
}

#chat-container::before {
  content: "Chat IA";
  position: absolute;
  top: -30px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--primary-color);
  color: var(--text-light);
  padding: 4px 8px;
  border-radius: var(--border-radius-sm);
  font-size: 10px;
  font-weight: var(--font-weight-bold);
  opacity: 0;
  transition: opacity var(--transition-normal);
  white-space: nowrap;
  box-shadow: var(--shadow-sm);
}

#chat-container:hover::before {
  opacity: 1;
}

#chat-toggle {
  
  color: var(--text-light);
  border: none;
  padding: var(--spacing-sm);
  border-radius: 50%;
  cursor: pointer;
  background: linear-gradient(
    135deg,
    var(--primary-color),
    var(--primary-hover)
  );
  box-shadow: var(--shadow-lg);
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
  width: 50px;
  height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
}

#chat-toggle::before {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.3),
    transparent
  );
  transition: left var(--transition-slow);
}

#chat-toggle:hover {
  transform: scale(1.1);
  box-shadow: var(--shadow-xl);
  background: linear-gradient(
    135deg,
    var(--primary-hover),
    var(--primary-color)
  );
}

#chat-toggle:hover::before {
  left: 100%;
}

#chat-toggle:active {
  transform: scale(0.95);
}

#chat-toggle img {
  width: 50px;
  height: 50px;
  object-fit: contain;
  /*filter: brightness(0) invert(1);*/
  transition: all var(--transition-normal);
}

#chat-toggle:hover img {
  transform: scale(1.1);
}

#chat-toggle::after {
  /*content: "💬";*/
  position: absolute;
  top: -5px;
  right: -5px;
  background: var(--accent-color);
  color: var(--text-light);
  border-radius: 50%;
  width: 20px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 10px;
  box-shadow: var(--shadow-sm);
  animation: pulse 2s infinite;
}

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

#chat-box {
  display: none;
  width: 350px;
  background: linear-gradient(
    135deg,
    var(--background-white),
    var(--background-light)
  );
  border: var(--border-width-thin) solid var(--primary-color);
  position: absolute;
  bottom: 80px;
  right: 0;
  padding: var(--spacing-sm);
  box-shadow: var(--shadow-xl);
  border-radius: var(--border-radius-lg);
  backdrop-filter: blur(10px);
  transition: all var(--transition-normal);
}

#chat-box.active {
  display: block;
  animation: slideIn var(--transition-bounce);
}

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

#chat-messages {
  height: 500px;
  overflow-y: auto;
  padding: var(--spacing-sm);
  border-radius: var(--border-radius-sm);
  background: var(--background-light);
  margin-bottom: var(--spacing-sm);
}

#chat-messages::-webkit-scrollbar {
  width: 6px;
}

#chat-messages::-webkit-scrollbar-track {
  background: var(--background-light);
  border-radius: var(--border-radius-sm);
}

#chat-messages::-webkit-scrollbar-thumb {
  background: var(--primary-color);
  border-radius: var(--border-radius-sm);
}

#chat-messages::-webkit-scrollbar-thumb:hover {
  background: var(--primary-hover);
}

.user-message {
  text-align: right;
  background: linear-gradient(
    135deg,
    var(--primary-color),
    var(--primary-hover)
  );
  color: var(--text-light);
  padding: var(--spacing-sm);
  margin: var(--spacing-sm) 0;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-sm);
  max-width: 80%;
  margin-left: auto;
  transition: all var(--transition-normal);
}

.user-message:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}

.bot-message {
  text-align: left;
  background: var(--background-white);
  color: var(--text-dark);
  padding: var(--spacing-sm);
  margin: var(--spacing-sm) 0;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-sm);
  max-width: 80%;
  border: var(--border-width-thin) solid var(--border-light);
  transition: all var(--transition-normal);
}

.bot-message:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}

/* Mobile responsive adjustments for stacked buttons */
@media (max-width: 768px) {
  #chat-container {
    bottom: 170px;
    right: 15px;
  }

  #chat-box {
    width: 300px;
    right: 0;
  }
}

@media (max-width: 576px) {
  #chat-container {
    bottom: 180px;
    right: 10px;
  }

  #chat-box {
    width: 280px;
    right: 0;
  }
}