.array-stage {
  background-image: radial-gradient(circle, rgba(55, 68, 69, .2) 1.2px, transparent 1.5px);
  background-position: 10px 10px;
  background-size: var(--cell-size, 34px) var(--cell-size, 34px);
  display: block;
  flex-shrink: 0;
  height: 270px;
  min-height: 270px;
  overflow: visible;
  position: relative;
  width: 100%;
}

.manual-tile {
  height: var(--cell-size, 34px);
  width: var(--cell-size, 34px);
  animation: none;
  left: 0;
  position: absolute;
  top: 0;
  transition: left .16s ease, top .16s ease, transform .16s ease;
  user-select: none;
  -webkit-user-select: none;
}

.manual-tile.dragging {
  cursor: grabbing;
  filter: brightness(1.06);
  transform: scale(1.09) rotate(2deg);
  transition: none;
  z-index: 10;
}

.manual-tile.placed { transform: rotate(0); }

.shuffle-btn {
  align-self: center;
  background: transparent;
  border: 0;
  border-bottom: 1px solid rgba(62,52,44,.4);
  color: #44382f;
  cursor: pointer;
  font: 900 .76rem "Nunito", sans-serif;
  margin-top: 2px;
  padding: 5px 4px;
}

.shuffle-btn:hover,
.shuffle-btn:focus-visible {
  border-color: #277f80;
  color: #225f61;
  outline: none;
}

@media (max-width: 620px) {
  .array-stage { height: 290px; min-height: 290px; }
}