.result {
  margin-top: 20px;
  font-size: 36px;
  font-weight: bold;
}

.grid {
  display: grid;
  grid-template-columns: repeat(5, 50px);
  gap: 8px;
  margin-top: 20px;
}

.cell {
  height: 50px;
  background: #1f2937;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
}

.cell.active {
  background: #22c55e;
}

.flip-row {
  display: flex;
  gap: 10px;
  margin-top: 20px;
}

.flip {
  font-size: 32px;
}

.flip {
  animation: flip .4s ease-out;
}

@keyframes flip {
  from { transform: rotateX(90deg); }
  to { transform: none; }
}