body {
  margin: 0;
  font-family: Arial, sans-serif;
  background: linear-gradient(to right, #1f1c2c, #928dab);
  color: #fff;
}

header {
  background: #111;
  padding: 10px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

nav button {
  margin: 0 5px;
  padding: 10px 15px;
  border: none;
  background: #444;
  color: white;
  border-radius: 5px;
  cursor: pointer;
}

nav button:hover {
  background: #666;
}

.page {
  display: none;
  padding: 20px;
}

.page.active {
  display: block;
}

textarea {
  width: 100%;
  height: 80px;
  margin-top: 10px;
  border-radius: 5px;
  border: none;
  padding: 10px;
}

#responseArea {
  margin-top: 20px;
  padding: 10px;
  background: #222;
  border-radius: 8px;
}