.coin-toggle {
  display: flex;
  justify-content: center;
  gap: 0.5rem;
  margin-bottom: 2rem;
}

.mode-btn[aria-pressed="true"] {
  background: var(--kis-accent);
  color: var(--kis-accent-contrast);
  border-color: transparent;
}

.coin-stage {
  display: flex;
  justify-content: center;
  margin-bottom: 1.5rem;
  perspective: 600px;
}

.coin {
  width: 140px;
  height: 140px;
  border-radius: 50%;
  border: none;
  background: linear-gradient(160deg, #f6c453, #e8a020);
  color: #6b4a08;
  font-size: 2rem;
  font-weight: 700;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--kis-shadow);
  transition: transform 0.6s cubic-bezier(0.3, 0.6, 0.3, 1);
}

.coin.flipping {
  animation: coin-spin 0.6s ease-out;
}

@keyframes coin-spin {
  0% { transform: rotateY(0deg); }
  100% { transform: rotateY(1080deg); }
}

@media (prefers-reduced-motion: reduce) {
  .coin.flipping {
    animation: none;
  }
}

.history {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  justify-content: center;
  margin-top: 1.5rem;
  min-height: 2rem;
}

.history-item {
  font-size: 0.8rem;
  padding: 0.25rem 0.6rem;
  border-radius: var(--kis-radius-pill);
  background: var(--kis-surface);
  color: var(--kis-text-muted);
  border: 1px solid var(--kis-border);
}

.history-item:first-child {
  background: var(--kis-accent);
  color: var(--kis-accent-contrast);
  border-color: transparent;
  font-weight: 700;
}

.history-item:not(:first-child) {
  opacity: 0.7;
}