/* Light Flip */
.light-shell {
  width: min(100% - 2rem, 520px);
  margin: 0 auto;
}

.light-shell .lede {
  margin-bottom: 1.1rem;
}

.light-toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 0.85rem;
}

.light-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.15rem;
  font-weight: 700;
  color: var(--ink-soft);
}

.light-stats strong {
  color: var(--ink);
}

.size-toggle {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  font-weight: 700;
  color: var(--ink-soft);
}

.size-toggle button {
  border: 1px solid var(--line);
  background: #fff;
  color: var(--ink);
  border-radius: 8px;
  padding: 0.35rem 0.65rem;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
}

.size-toggle button[aria-pressed="true"] {
  background: var(--accent-deep);
  border-color: var(--accent-deep);
  color: #fff;
}

.play-board.hunt-panel {
  border: none;
  box-shadow:
    0 2px 6px rgba(20, 33, 43, 0.06),
    0 14px 32px rgba(20, 33, 43, 0.12);
  padding: 0.95rem;
  background:
    radial-gradient(120% 80% at 50% 0%, rgba(15, 122, 106, 0.08), transparent 55%),
    #fff;
}

.light-grid {
  display: grid;
  gap: 0.45rem;
  aspect-ratio: 1;
  max-width: 420px;
  margin: 0 auto;
  touch-action: manipulation;
}

.light-cell {
  border: none;
  border-radius: 14px;
  background: #1a2a32;
  box-shadow: inset 0 0 0 2px rgba(255, 255, 255, 0.06);
  cursor: pointer;
  transition: background 140ms ease, box-shadow 140ms ease, transform 120ms ease;
}

.light-cell.is-on {
  background: linear-gradient(160deg, #ffe08a, #f0a202 55%, #d97706);
  box-shadow:
    0 0 0 2px rgba(240, 162, 2, 0.35),
    0 8px 18px rgba(240, 162, 2, 0.35);
}

.light-cell:hover {
  transform: scale(1.03);
}

.light-cell:focus-visible {
  outline: 3px solid rgba(15, 122, 106, 0.45);
  outline-offset: 2px;
}

.light-feedback {
  min-height: 1.35rem;
  margin: 0.75rem 0 0;
  font-weight: 700;
  color: var(--accent-deep);
  text-align: center;
}

.play-board.is-celebrate {
  animation: light-glow 750ms ease;
}

@keyframes light-glow {
  0%,
  100% {
    box-shadow:
      0 2px 6px rgba(20, 33, 43, 0.06),
      0 14px 32px rgba(20, 33, 43, 0.12);
  }
  45% {
    box-shadow:
      0 0 0 4px rgba(240, 162, 2, 0.4),
      0 14px 34px rgba(15, 122, 106, 0.22);
  }
}

.how-to {
  margin-top: 1rem;
}

.how-to h2 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  letter-spacing: -0.03em;
  margin: 0 0 0.5rem;
}

.how-to p,
.how-to li {
  color: var(--ink-soft);
  margin: 0 0 0.45rem;
}

.how-to ul {
  margin: 0;
  padding-left: 1.15rem;
}

@media (prefers-reduced-motion: reduce) {
  .light-cell {
    transition: none;
  }
}