body {
  font-family: system-ui, Arial, sans-serif;
  padding: 24px;
  background: #0f172a;
  color: #e6eef8;
}

.card {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 12px;
  padding: 16px;
  margin: 12px 0;
}

button, select, input {
  cursor: pointer;
  padding: 10px 14px;
  border-radius: 8px;
  border: 1px solid #7c3aed;
  background: #fff;
  color: #0f172a;
  font-weight: 600;
}

button {
  background: #7c3aed;
  color: white;
}

button:hover {
  filter: brightness(1.1);
}

pre {
  background: rgba(255, 255, 255, 0.06);
  padding: 12px;
  border-radius: 8px;
  overflow: auto;
  margin-top: 10px;
}