body {
  font-family: Arial, sans-serif;
  background-color: #121212;
  color: #fff;
  margin: 0;
  padding: 0;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
}

.container {
  width: 80%;
  max-width: 400px;
  text-align: center;
}

h1 {
  margin-bottom: 20px;
}

textarea {
  width: 100%;
  height: 100px;
  padding: 10px;
  margin-bottom: 20px;
  border: none;
  border-radius: 5px;
  background-color: #333;
  color: #fff;
  font-size: 16px;
}

button {
  padding: 10px 20px;
  border: none;
  border-radius: 5px;
  background-color: #007bff;
  color: #fff;
  font-size: 16px;
  cursor: pointer;
}

button:hover {
  background-color: #0056b3;
}

.response-container {
  margin-top: 20px;
  padding: 20px;
  border-radius: 5px;
  background-color: #333;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

#response-message {
  flex-grow: 1;
}

#note-content {
  flex-grow: 1;
}

#copy-button {
  background-color: transparent;
  border: none;
  color: #fff;
  cursor: pointer;
  margin-left: 10px;
}

#copy-button:hover {
  color: #007bff;
}

#notification {
  position: fixed;
  top: 20px;
  left: 50%;
  transform: translateX(-50%);
  background-color: rgb(18, 148, 87);
  color: #fff;
  padding: 10px 20px;
  border-radius: 5px;
  text-align: center;
  display: none;
}