body {
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 12px;
}

.controls {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr 1fr;
  gap: 12px;
  margin-bottom: 12px;
}

.card {
  border: 1px solid #ddd;
  border-radius: 12px;
  padding: 12px;
}