body {
  margin: 0;
  font-family: Arial, sans-serif;
  background-color: #0a0a0a;
  color: #fff;
  display: flex;
  flex-direction: column;
  height: 100vh;
  padding: 20px;
  box-sizing: border-box;
}

.button-container {
  display: flex;
  justify-content: flex-start;
  margin-bottom: 10px;
}

#fixBtn {
  background-color: #222;
  color: #fff;
  border: none;
  padding: 10px 20px;
  cursor: pointer;
  font-weight: bold;
  border-radius: 0;
}

.container {
  display: flex;
  flex: 1;
  gap: 20px;
}

textarea {
  flex: 1;
  background-color: #111;
  color: #fff;
  border: none;
  padding: 10px;
  font-family: monospace;
  font-size: 14px;
  resize: none;
}

textarea:focus {
  outline: 2px solid #555;
}