/* Tower of Hanoi — page-specific styles */

.hanoi-pegs {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.75rem;
  align-items: end;
  max-width: 40rem;
  margin: 0 auto;
}

.hanoi-peg {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  align-items: center;
  min-height: 14rem;
  padding: 0 0.35rem 0;
  border: 3px dashed transparent;
  border-radius: var(--radius);
  background: none;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s;
}

.hanoi-peg:hover:not(:disabled) { background: #fffaf0; }

.hanoi-peg.is-holding {
  border-color: var(--color-coral);
  background: #fff4f0;
}

.hanoi-peg.is-target .hanoi-base { background: var(--color-green); }

.hanoi-peg:focus-visible {
  outline: 3px solid var(--color-coral);
  outline-offset: 2px;
}

.hanoi-peg:disabled { cursor: default; }

.hanoi-post {
  position: absolute;
  bottom: 2.1rem;
  width: 10px;
  height: 10.5rem;
  border-radius: 5px;
  background: #cbbfae;
  z-index: 0;
}

.hanoi-stack {
  display: flex;
  flex-direction: column-reverse;
  align-items: center;
  gap: 3px;
  width: 100%;
  z-index: 1;
  margin-bottom: 0.35rem;
}

.hanoi-disc {
  height: 1.35rem;
  border-radius: 999px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.75rem;
  color: rgba(0, 0, 0, 0.55);
  box-shadow: inset 0 -3px 6px rgba(0, 0, 0, 0.18);
  border: 2px solid rgba(255, 255, 255, 0.55);
  transition: width 0.15s;
}

.hanoi-base {
  width: 100%;
  height: 0.7rem;
  border-radius: 6px;
  background: #b3a894;
  z-index: 1;
}

.hanoi-peg-label {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin-top: 0.4rem;
}

@media (max-width: 520px) {
  .hanoi-peg { min-height: 11rem; }
  .hanoi-post { height: 8rem; }
  .hanoi-disc { height: 1.1rem; font-size: 0.65rem; }
}

@media (prefers-reduced-motion: reduce) {
  .hanoi-disc, .hanoi-peg { transition: none; }
}