body {
  font-family: Arial, sans-serif;
  background-color: #f4f4f4;
  color: #333;
  margin: 0;
  padding: 0;
}
header {
  background-color: #6A1B9A;
  color: #FFD700;
  text-align: center;
  padding: 1rem;
}
.logo {
  width: 60px;
  height: auto;
}
nav {
  background-color: #FFD700;
  padding: 0.5rem;
}
.menu-icon {
  font-size: 28px;
  cursor: pointer;
  display: none;
  padding: 0.5rem;
}
.menu {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  justify-content: center;
}
.menu li a {
  text-decoration: none;
  color: #6A1B9A;
  padding: 0.5rem 1rem;
  font-weight: bold;
}
.menu li a:hover, .menu li a.active {
  background-color: #6A1B9A;
  color: #FFD700;
}
main {
  padding: 1rem;
  margin-bottom: 60px;
}
section {
  background-color: #fff;
  padding: 1rem;
  margin-bottom: 1rem;
  border-radius: 5px;
  box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}
.hidden {
  display: none;
}
#chatForm {
  display: flex;
  gap: 0.5rem;
}
input, button {
  padding: 0.5rem;
  font-size: 1rem;
}
button {
  background-color: #6A1B9A;
  color: #FFD700;
  border: none;
  cursor: pointer;
}
button:hover {
  background-color: #4A1370;
}
#response, #shareResult {
  margin-top: 0.5rem;
  padding: 0.5rem;
  background-color: #f0f0f0;
  border-radius: 4px;
}
footer {
  background-color: #6A1B9A;
  color: #FFD700;
  text-align: center;
  padding: 1rem;
  position: fixed;
  bottom: 0;
  width: 100%;
}
footer a {
  color: #FFD700;
  text-decoration: none;
}
footer a:hover {
  text-decoration: underline;
}
@media (max-width: 600px) {
  .menu-icon {
    display: block;
  }
  .menu {
    display: none;
    flex-direction: column;
    position: absolute;
    top: 70px;
    left: 0;
    width: 100%;
    background-color: #FFD700;
  }
  .menu.active {
    display: flex;
  }
}