.pp-wrap { display: flex; flex-direction: column; gap: 16px; align-items: center; }

.pp-diffs { display: flex; gap: 8px; }
.pp-diff {
  padding: 8px 16px;
  border-radius: 999px;
  border: 2px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-text);
  cursor: pointer;
  font: inherit;
  font-weight: 600;
}
.pp-diff:hover { border-color: var(--color-primary); }
.pp-diff--active { border-color: var(--color-primary); background: var(--color-primary); color: var(--color-on-accent); }

.pp-board {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  justify-content: center;
  max-width: 560px;
  padding: 10px;
}

.pp-tube {
  width: 52px;
  padding: 6px 0 10px;
  border: none;
  background: transparent;
  cursor: pointer;
  border-radius: 10px;
  transition: transform 0.1s ease;
}
.pp-tube:hover { transform: translateY(-3px); }
.pp-tube--selected { transform: translateY(-6px); }
.pp-tube--selected .pp-tube__balls { box-shadow: 0 0 0 3px var(--color-accent); }
.pp-tube--done .pp-tube__balls { box-shadow: 0 0 0 3px var(--color-success, #4ade80); }

.pp-tube__balls {
  display: flex;
  flex-direction: column-reverse;
  gap: 3px;
  min-height: 176px;
  padding: 6px 5px 8px;
  background: var(--color-surface);
  border: 2px solid var(--color-border);
  border-radius: 6px 6px 22px 22px;
  justify-content: flex-start;
}

.pp-ball {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 700;
  color: rgba(0,0,0,0.55);
  box-shadow: inset 0 -4px 6px rgba(0,0,0,0.2), inset 0 3px 4px rgba(255,255,255,0.35);
  animation: pp-pop-in 0.16s ease;
}
@keyframes pp-pop-in { from { transform: scale(0.4); opacity: 0.3; } to { transform: scale(1); opacity: 1; } }

.pp-confetti {
  position: absolute;
  top: 40%;
  left: 50%;
  pointer-events: none;
  animation: pp-float 1.3s ease-out forwards;
}
@keyframes pp-float {
  0% { transform: translateY(0) scale(0.6); opacity: 0; }
  15% { opacity: 1; }
  100% { transform: translateY(-90px) scale(1.1); opacity: 0; }
}

.pp-toolbar { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; }
.pp-toolbar button:disabled { opacity: 0.5; cursor: default; }

.pp-generating { color: var(--color-text-soft); font-size: 15px; padding: 40px 0; }

@media (max-width: 480px) {
  .pp-tube { width: 42px; }
  .pp-ball { width: 32px; height: 32px; font-size: 11px; }
  .pp-tube__balls { min-height: 140px; }
}