.perf-big {
  font-size: 2rem;
  font-weight: 700;
  color: #26a69a;
}
[data-md-color-scheme="slate"] .perf-big {
  color: #4db6ac;
}
.perf-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin: 16px 0 24px;
}
@media (max-width: 768px) {
  .perf-grid { grid-template-columns: repeat(2, 1fr); }
}
.perf-card {
  text-align: center;
  padding: 20px 12px;
  border-radius: 8px;
  background: rgba(128,128,128,0.06);
  border: 1px solid rgba(128,128,128,0.12);
}
.perf-card .perf-big {
  display: block;
  margin-bottom: 4px;
}
.perf-card .perf-label {
  font-size: 0.85rem;
  opacity: 0.7;
}