.pairs-grid {
  grid-template-columns: repeat(var(--pairs-columns, 3), minmax(0, 1fr));
  width: min(640px, 100%);
  gap: clamp(8px, 1.8vw, 14px);
}

.pairs-grid .memory-card {
  min-width: 0;
  font-size: clamp(23px, 5vw, 34px);
  transition: background .16s ease, border-color .16s ease, transform .16s ease;
}

.pairs-grid .memory-card:not(.open):not(.match):hover {
  transform: translateY(-2px);
}

.pairs-grid.pairs-level-5 .memory-card,
.pairs-grid.pairs-level-6 .memory-card {
  border-radius: 15px;
}

@media (max-width: 760px) {
  .pairs-panel { justify-content: flex-start; }
  .pairs-grid { gap: 7px; }
  .pairs-grid .memory-card { border-radius: 13px; }
  .pairs-grid.pairs-level-5 .memory-card,
  .pairs-grid.pairs-level-6 .memory-card { border-radius: 11px; }
}