body {
  font-family: monospace;
  background: #0f1419;
  color: #a0e4cb;
  padding: 20px;
  max-width: 650px;
  margin: auto;
}
label {
  display: block;
  margin-top: 12px;
  font-weight: bold;
}
textarea, input {
  width: 100%;
  margin-top: 6px;
  padding: 6px;
  background: #161b22;
  border: 1px solid #30363d;
  border-radius: 4px;
  color: #a0e4cb;
  font-family: monospace;
  font-size: 14px;
  resize: vertical;
}
button {
  margin-top: 20px;
  padding: 10px 20px;
  background: #7ee787;
  border: none;
  border-radius: 4px;
  font-weight: bold;
  cursor: pointer;
  color: #0f1419;
}
button:hover {
  background: #a0e4cb;
}
#output {
  white-space: pre-wrap;
  background: #161b22;
  padding: 12px;
  margin-top: 20px;
  border-radius: 6px;
  max-height: 300px;
  overflow-y: auto;
  font-size: 14px;
  border: 1px solid #30363d;
  font-family: monospace;
}
#downloadBtn {
  display: none;
  margin-top: 10px;
  padding: 8px 16px;
  background: #4ade80;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  color: #0f1419;
  font-weight: bold;
}