body {
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  background: #0b1020;
  color: #e6e6e6;
  margin: 0;
}

.container {
  max-width: 980px;
  margin: 0 auto;
  padding: 24px;
}

h1 {
  font-size: 22px;
  margin: 0 0 16px;
}

.card {
  background: #121a33;
  border: 1px solid #263155;
  border-radius: 10px;
  padding: 16px;
  margin: 12px 0;
}

h2 {
  font-size: 16px;
  margin: 0 0 12px;
  color: #b9c6ff;
}

.row {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.label {
  display: block;
  font-size: 12px;
  margin-bottom: 6px;
  color: #c8d1ff;
}

input, select, button {
  font-size: 14px;
}

input, select {
  width: 100%;
  padding: 8px 10px;
  border-radius: 8px;
  border: 1px solid #2d3a66;
  background: #0e1530;
  color: #e6e6e6;
}

button {
  padding: 8px 12px;
  border-radius: 8px;
  border: 1px solid #3a4b88;
  background: #1a2a5a;
  color: #e6e6e6;
  cursor: pointer;
}

button:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.meta {
  font-size: 12px;
  color: #cbd5ff;
}

pre {
  background: #0e1530;
  border: 1px solid #2d3a66;
  border-radius: 10px;
  padding: 12px;
  margin: 0;
  overflow: auto;
  max-height: 420px;
}