body {
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  margin: 0;
  background: #0d1117;
  color: #e6edf3;
}
header, footer {
  padding: 1rem 1.5rem;
  background: #161b22;
  border-bottom: 1px solid #30363d;
}
footer {
  border-top: 1px solid #30363d;
  border-bottom: none;
}
main {
  padding: 1rem;
  display: grid;
  gap: 1rem;
}
.card {
  background: #161b22;
  border: 1px solid #30363d;
  border-radius: 10px;
  padding: 1rem;
}
table {
  width: 100%;
  border-collapse: collapse;
}
th, td {
  border-bottom: 1px solid #30363d;
  padding: 0.45rem;
  text-align: left;
  font-size: 0.9rem;
}
th { color: #7ee787; }
pre {
  background: #0b1320;
  border: 1px solid #30363d;
  padding: 0.75rem;
  overflow: auto;
}
a { color: #58a6ff; }