body {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  max-width: 800px;
  margin: 2rem auto;
  padding: 0 1rem 3rem;
  line-height: 1.5;
}

h1 {
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
}

label {
  display: block;
  margin-top: 1rem;
  font-weight: 600;
}

textarea {
  width: 100%;
  min-height: 120px;
  font-family: monospace;
  font-size: 0.95rem;
  padding: 0.5rem;
  box-sizing: border-box;
}

input[type="text"] {
  width: 100%;
  padding: 0.4rem;
  box-sizing: border-box;
}

.controls {
  margin-top: 1rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
}

button {
  padding: 0.4rem 0.9rem;
  border: 1px solid #888;
  background: #f3f3f3;
  cursor: pointer;
  border-radius: 4px;
}

button:hover {
  background: #e5e5e5;
}

.small {
  font-size: 0.8rem;
  color: #555;
  margin-top: 0.5rem;
}

.radio-group {
  display: flex;
  gap: 0.75rem;
  align-items: center;
}

.status {
  margin-top: 0.5rem;
  font-size: 0.85rem;
  color: #2b6a2b;
}