:root {
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
}
body {
  margin: 0;
  background: #0e1116;
  color: #e8eaed;
}
a {
  color: #80caff;
  text-decoration: none;
}
.container {
  max-width: 960px;
  margin: 0 auto;
  padding: 24px;
}
.card {
  background: #151a23;
  border: 1px solid #232a35;
  border-radius: 12px;
  padding: 20px;
  margin: 16px 0;
}
.btn {
  padding: 10px 16px;
  border-radius: 8px;
  border: 1px solid #2a3341;
  background: #1d2430;
  color: #e8eaed;
  cursor: pointer;
}
.btn:hover {
  background: #243042;
}
.input {
  width: 100%;
  padding: 10px 12px;
  border-radius: 8px;
  border: 1px solid #2a3341;
  background: #0f1320;
  color: #e8eaed;
}
.row {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}
.level-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
}
.badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 999px;
  background: #263145;
  font-size: 12px;
  color: #9ec1ff;
  border: 1px solid #2a3a58;
}
code {
  background: #0f1320;
  padding: 2px 6px;
  border-radius: 6px;
  border: 1px solid #2a3341;
}
hr {
  border: 0;
  border-top: 1px solid #232a35;
  margin: 24px 0;
}
small.muted, .muted {
  color: #9aa0a6;
}