@import url('https://fonts.googleapis.com/css2?family=Arimo:ital,wght@0,400..700;1,400..700&display=swap');

body {
  font-family: "Arimo", sans-serif;
  font-weight: 400;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  height: 100vh;
  background: linear-gradient(-45deg, #280781, #07a5ff, #00c9a7, #ff5e7e);
  background-size: 400% 400%;
  animation: gradientMove 15s ease infinite;
}

@keyframes gradientMove {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

header, footer {
  background-color: transparent;
  color: #ffffff;
  text-align: center;
  padding: 1rem;
  flex-shrink: 0;
}

main {
  flex: 1;
  display: flex;
  justify-content: center;
  overflow: hidden;
}

#chat-container {
  width: 100%;
  max-width: 800px;
  display: flex;
  flex-direction: column;
  height: 100%;
}

#chat-box {
  flex: 1;
  background-color: rgba(0, 0, 0, 0.4);
  padding: 1rem;
  border-radius: 8px;
  overflow-y: auto;
  border: 1px solid #e5e7eb;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  scroll-behavior: smooth;
}

.message {
  display: flex;
  width: 100%;
}

.message.user {
  justify-content: flex-end;
}

.message.bot {
  justify-content: flex-start;
}

.bubble {
  max-width: 70%;
  padding: 0.75rem 1rem;
  border-radius: 12px;
  font-size: 0.95rem;
  line-height: 1.4;
  white-space: pre-wrap;
  word-wrap: break-word;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
}

.message.user .bubble {
  background-color: #280781;
  color: #ffffff;
  border-bottom-right-radius: 0;
}

.message.bot .bubble {
  background-color: #ffffff;
  color: #000000;
  border-bottom-left-radius: 0;
}

#input-wrapper {
  display: flex;
  gap: 0.5rem;
  padding: 0.75rem;
  background-color: transparent;
  position: sticky;
  bottom: 0;
  z-index: 10;
}

#user-input {
  flex: 1;
  padding: 0.75rem;
  border: 1px solid #ffffff;
  border-radius: 8px;
  resize: none;
  font-size: 1rem;
  background-color: #000000;
  color: #fff;
  max-height: 150px;
  overflow-y: auto;
}

#send-button {
  padding: 0.75rem 1rem;
  background-color: #280781;
  color: white;
  border: none;
  border-radius: 8px;
  font-weight: bold;
  cursor: pointer;
  transition: background 0.3s;
}

#send-button:hover {
  background-color: #078b49;
}

/* Responsivo */
@media (max-width: 768px) {
  .bubble {
    max-width: 85%;
  }

  #chat-container {
    padding: 0 0.5rem;
  }

  .footer-content {
    flex-direction: column;
    text-align: center;
  }

  .logo-container {
    justify-content: center;
    margin-top: 1rem;
  }
}

@media (max-width: 480px) {
  #user-input {
    font-size: 0.9rem;
  }

  #send-button {
    font-size: 0.9rem;
  }
}

.footer-content {
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 1em 2em;
  position: relative;
}

.text-container {
  color: #ffffff;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 0.3rem;
}

.text-container p {
  margin: 0;
  font-size: 0.9rem;
}

.logo-container {
  position: absolute;
  right: 2em;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background-color: rgba(0, 0, 0, 0.2);
  padding: 5px 10px;
  border-radius: 50px;
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.6);
}

.logo1, .logo2, .logo3 {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  object-fit: cover;
  transition: transform 0.3s ease;
  border: 2px solid #000;
  background-color: rgb(0, 0, 0);
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.6);
}

.logo1:hover, .logo2:hover, .logo3:hover {
  transform: scale(1.1);
}

footer a {
  color: #e90c0c;
  text-decoration: none;
}

footer a:hover {
  text-decoration: underline;
}