body {
  font-family: Arial, sans-serif;
  background: #fff;
  color: #000;
}

.container {
  max-width: 700px;
  margin: 40px auto;
}

textarea {
  width: 100%;
  height: 140px;
  margin-bottom: 10px;
}

button {
  padding: 10px 20px;
  cursor: pointer;
}

#result {
  margin-top: 20px;
  white-space: pre-wrap;
  border-top: 1px solid #ccc;
  padding-top: 20px;
}

.locked {
  color: #999;
}

.dead {
  margin-top: 40px;
  font-weight: bold;
}

.sub {
  color: #555;
}