.bb-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  width: 100%;
}

.bb-diff-row {
  display: flex;
  gap: 8px;
  justify-content: center;
}
.bb-diff-btn {
  border: 2px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-text);
  border-radius: 999px;
  padding: 8px 16px;
  font-weight: 800;
  font-size: 0.85rem;
  cursor: pointer;
}
.bb-diff-btn[aria-pressed="true"] {
  background: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
  color: #fff;
}

.bb-canvas {
  width: 100%;
  max-width: 300px;
  height: auto;
  aspect-ratio: 300 / 420;
  border-radius: var(--radius-md);
  box-shadow: inset 0 0 0 2px var(--color-border);
  display: block;
  touch-action: none;
}

.bb-tap-btn {
  border: none;
  border-radius: 999px;
  padding: 16px 44px;
  font-weight: 800;
  font-size: 1.1rem;
  color: #0e0f13;
  background: var(--color-accent, #ee6fa8);
  cursor: pointer;
  touch-action: none;
}
.bb-tap-btn:active { filter: brightness(0.9); }

.bb-garden {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  justify-content: center;
  max-width: 300px;
  padding: 10px;
  border-radius: var(--radius-md);
  background: rgba(126,231,135,0.08);
}
.bb-slot {
  width: 26px;
  height: 26px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  opacity: 0.35;
}
.bb-slot--grown { opacity: 1; }