.mz-board {
  display: grid;
  margin: 0 auto;
  background: #3a3458;
  padding: 4px;
  border-radius: 10px;
  width: max-content;
  touch-action: none;
  user-select: none;
}
.mz-cell {
  background: #fff;     /* passage */
}
.mz-cell.wall { background: #2b2440; }
.mz-cell.player { background: var(--mint); box-shadow: inset 0 0 0 2px #fff; }
.mz-cell.goal { background: var(--sun); }
.mz-cell.hint { background: #ffd9e6; }
.mz-cell.start { background: var(--sky); }