/* Matched-card visual feedback.
   Responsive board rules are loaded explicitly by index.html. */

.memory-card.is-matched:disabled {
  opacity: 1;
  cursor: default;
}

.memory-card.is-matched {
  isolation: isolate;
}

.memory-card.is-matched::after {
  content: '';
  position: absolute;
  inset: 4%;
  z-index: 2;
  border: 1px solid color-mix(in srgb, var(--success) 58%, transparent);
  border-radius: 10%;
  box-shadow:
    0 0 0 1px color-mix(in srgb, var(--success) 14%, transparent),
    0 0 14px color-mix(in srgb, var(--success) 22%, transparent);
  opacity: 0.72;
  pointer-events: none;
}

.memory-card.is-matched .card-side-front {
  opacity: 1;
  filter:
    saturate(1.04)
    brightness(1.03)
    drop-shadow(0 0 5px color-mix(in srgb, var(--success) 72%, transparent))
    drop-shadow(0 6px 7px rgba(0, 0, 0, 0.3));
}

.memory-card.is-matched .memory-card-inner {
  filter: none;
}

.memory-card.is-matched:focus-visible {
  outline-color: var(--success);
}

html.reduced-motion .memory-card.is-matched::after {
  box-shadow: 0 0 0 1px color-mix(in srgb, var(--success) 18%, transparent);
}

@media (prefers-reduced-motion: reduce) {
  .memory-card.is-matched::after {
    box-shadow: 0 0 0 1px color-mix(in srgb, var(--success) 18%, transparent);
  }
}