/* === Grid Specific Styles === */
.letters-grid {
  display: grid;
  grid-template-columns: repeat(3, 60px);
  grid-template-rows: repeat(3, 60px);
  gap: 10px;
  justify-content: center;
}

.letter-cell {
  width: 60px;
  height: 60px;
  background-color: var(--grid-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  font-weight: bold;
  border: 2px solid var(--grid-border);
  cursor: pointer;
  user-select: none;
  color: var(--text-color);
  border-radius: 8px;
  transition: all 0.2s ease;
}

.letter-cell:hover {
  transform: scale(1.05);
  border-color: var(--center-bg);
}

.letter-cell.used {
  background-color: var(--grid-used);
  pointer-events: none;
  color: var(--grid-used-text);
  transform: scale(0.95);
}

.letter-cell.center {
  background-color: var(--center-bg);
  color: var(--center-text);
  border-width: 3px;
}