body {
  background-color: #121212;
  color: #f1f1f1;
  font-family: 'Segoe UI Emoji', sans-serif;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
  margin: 0;
}
.container {
  background-color: #1e1e1e;
  padding: 2rem;
  border-radius: 10px;
  width: 90%;
  max-width: 500px;
  box-shadow: 0 0 10px rgba(255, 255, 255, 0.1);
}
textarea {
  width: 100%;
  padding: 10px;
  margin-top: 10px;
  border-radius: 5px;
  border: none;
  resize: vertical;
}
button {
  margin-top: 10px;
  padding: 10px 15px;
  border: none;
  background-color: #03dac6;
  color: #000;
  font-weight: bold;
  border-radius: 5px;
  cursor: pointer;
}
.hidden {
  display: none;
}