/* D23HM3 — timed memory board + pause / screen-time surfaces */
.memory-lead,
.pause-lead {
  color: var(--text-dim);
  max-width: 36rem;
}

.memory-timer {
  display: inline-flex;
  align-items: baseline;
  gap: 0.35rem;
  padding: 0.55rem 1rem;
  border-radius: 12px;
  background: linear-gradient(135deg, #1a2244 0%, #2a1848 55%, #132038 100%);
  border: 1px solid var(--border);
  font-weight: 700;
  letter-spacing: 0.02em;
}

.memory-timer__value {
  font: italic 900 2rem/1 var(--display);
  color: var(--accent);
  min-width: 2ch;
}

.memory-timer__unit,
.memory-timer__label {
  color: var(--text-dim);
  font-size: 0.95rem;
}

.memory-board {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
  width: 100%;
  max-width: 420px;
}

.memory-card {
  aspect-ratio: 1;
  border-radius: 14px;
  background: var(--surface);
  border: 2px solid var(--border);
  display: grid;
  place-items: center;
  font-size: clamp(1.1rem, 3.5vw, 1.45rem);
  font-weight: 700;
  transition: transform 0.18s ease, border-color 0.18s ease, background 0.18s ease;
  position: relative;
  overflow: hidden;
}

.memory-card__face {
  display: none;
}

.memory-card.is-open .memory-card__back,
.memory-card.is-matched .memory-card__back {
  display: none;
}

.memory-card.is-open .memory-card__face,
.memory-card.is-matched .memory-card__face {
  display: block;
}

.memory-card.is-open {
  border-color: var(--cyan);
  background: var(--surface-2);
  transform: translateY(-2px);
}

.memory-card.is-matched {
  border-color: var(--ok);
  background: #1e2a18;
  opacity: 0.92;
}

.memory-card:disabled {
  cursor: default;
}

.pause-cap {
  display: flex;
  flex-wrap: wrap;
  align-items: end;
  gap: 12px;
  padding: 14px 16px;
  border-radius: 14px;
  background: var(--surface);
  border: 1px solid var(--border);
  width: 100%;
  max-width: 420px;
}

.pause-cap__label {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 0.95rem;
  color: var(--text-dim);
}

.pause-cap__input {
  width: 5.5rem;
  padding: 8px 10px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--bg);
}

@media (max-width: 420px) {
  .memory-board {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 8px;
  }
}

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