* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: system-ui, sans-serif;
  background: #0f1115;
  color: #e6e6e6;
}

.wrap {
  max-width: 640px;
  margin: 3rem auto;
  padding: 0 1rem;
}

textarea {
  width: 100%;
  min-height: 100px;
  padding: 0.75rem;
  background: #1a1d24;
  color: inherit;
  border: 1px solid #2a2e37;
  border-radius: 8px;
  font-size: 1rem;
  resize: vertical;
}

button {
  margin: 0.75rem 0;
  padding: 0.5rem 1rem;
  background: #6d5ef8;
  color: white;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  font-size: 1rem;
}

button:disabled {
  opacity: 0.5;
  cursor: default;
}

pre {
  white-space: pre-wrap;
  background: #1a1d24;
  border: 1px solid #2a2e37;
  border-radius: 8px;
  padding: 0.75rem;
  min-height: 3rem;
}