.mj-board {
  display: grid;
  grid-template-columns: repeat(var(--mj-cols, 10), 1fr);
  gap: 4px;
  width: 100%;
  background: rgba(0, 0, 0, 0.25);
  padding: 6px;
  border-radius: 14px;
}

.mj-tile {
  aspect-ratio: 3 / 4;
  border-radius: 8px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  background: linear-gradient(160deg, #f4f8ff, #cdd9ef);
  color: #16233f;
  font-weight: 800;
  font-size: clamp(0.7rem, 2vw, 1.1rem);
  cursor: pointer;
  transition: transform 0.1s ease, box-shadow 0.12s ease;
}

.mj-tile:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: 0 6px 12px rgba(0, 0, 0, 0.35);
}

.mj-tile--sel {
  outline: 3px solid #ffb347;
  box-shadow: 0 0 0 3px rgba(255, 179, 71, 0.4);
  transform: translateY(-2px);
}

.mj-tile--empty {
  background: transparent;
  border: 1px dashed rgba(255, 255, 255, 0.06);
  cursor: default;
}