body {
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  background: transparent;
}

.chatbot-wrapper {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  z-index: 9999;
  font-size: 14px;
  width: 350px;
  max-width: 95vw;
}

.chatbot-box {
  display: none;
  flex-direction: column;
  background: var(--background-chat);
  border-radius: 16px;
  box-shadow: 0 8px 24px var(--shadow-color);
  overflow: hidden;
  height: 480px;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
}

.chatbot-header {
  background: var(--primary-gradient);
  color: white;
  padding: 16px 20px;
  font-weight: 600;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.chatbot-header i {
  font-size: 1.3rem;
  margin-right: 8px;
}

.btn-close-chat {
  background: transparent;
  border: none;
  color: white;
  font-size: 1.4rem;
  cursor: pointer;
  opacity: 0.85;
  transition: opacity 0.2s ease;
}
.btn-close-chat:hover {
  opacity: 1;
}

.chatbot-body {
  flex: 1;
  padding: 20px;
  overflow-y: auto;
  background: var(--background-chat);
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.chat-bubble {
  max-width: 80%;
  padding: 12px 18px;
  border-radius: 20px;
  line-height: 1.3;
  animation: fadeInUp 0.3s ease forwards;
  word-wrap: break-word;
  white-space: pre-wrap;
}
.chat-bubble.bot {
  background: var(--bubble-bot);
  color: var(--text-dark);
  align-self: flex-start;
  border-bottom-left-radius: 0;
  box-shadow: 0 1px 3px rgba(123, 47, 247, 0.2);
}
.chat-bubble.user {
  background: var(--bubble-user);
  color: var(--text-dark);
  align-self: flex-end;
  border-bottom-right-radius: 0;
  box-shadow: 0 1px 3px rgba(241, 7, 163, 0.2);
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.chatbot-footer {
  padding: 16px 20px;
  border-top: 1px solid #eee;
  background: #fff;
  display: flex;
  gap: 12px;
}

#chatInput {
  flex-grow: 1;
  border-radius: 50px;
  border: 1px solid #ccc;
  padding: 10px 20px;
  font-size: 14px;
  transition: border-color 0.3s ease;
}
#chatInput:focus {
  outline: none;
  border-color: #7b2ff7;
  box-shadow: 0 0 8px #d6b0ffaa;
}

.btn-send {
  background: var(--primary-gradient);
  border: none;
  color: white;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  cursor: pointer;
  box-shadow: 0 6px 12px var(--shadow-color);
  transition: transform 0.3s ease;
  animation: pulse 2.5s infinite;
}
.btn-send:hover {
  transform: scale(1.15);
  box-shadow: 0 10px 20px var(--shadow-color);
}

/* Botão flutuante */
#openChat {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  background: var(--primary-gradient);
  border: none;
  width: 65px;
  height: 65px;
  border-radius: 50%;
  box-shadow: 0 6px 16px var(--shadow-color);
  cursor: pointer;
  display: none; /* escondido inicialmente para evitar piscar */
  align-items: center;
  justify-content: center;
  font-size: 1.9rem;
  color: white;
  animation: pulse 2.5s infinite;
  z-index: 10000;
  transition: background 0.3s ease;
}
#openChat:hover {
  background: #00ff0d;
  box-shadow: 0 8px 20px #81c784;
}

/* Animação pulse */
@keyframes pulse {
  0% {
    box-shadow: 0 0 0 0 var(--shadow-color);
  }
  70% {
    box-shadow: 0 0 15px 8px var(--shadow-color);
  }
  100% {
    box-shadow: 0 0 0 0 var(--shadow-color);
  }
}