:root {
  color-scheme: light;
  --bg: #f5f7fb;
  --card: #ffffff;
  --text: #1d2630;
  --primary: #1457d1;
  --border: #dce3ef;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
}

.container {
  width: min(900px, 92%);
  margin: 2rem auto;
  display: grid;
  gap: 1rem;
}

h1,
h2 {
  margin: 0 0 0.5rem;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1rem;
}

.actions {
  display: flex;
  gap: 0.75rem;
  margin: 0.75rem 0;
}

button {
  border: 0;
  border-radius: 10px;
  padding: 0.65rem 0.9rem;
  cursor: pointer;
  background: var(--primary);
  color: white;
  font-weight: 600;
}

pre {
  margin: 0;
  background: #0c1222;
  color: #dce5ff;
  border-radius: 10px;
  padding: 0.75rem;
  overflow: auto;
}