/* Shared flip-two-cards memory engine styles, reused by all 6 /memory-games/ games */

.mem-setup { display: flex; flex-direction: column; gap: 18px; width: 100%; }
.mem-setup h3 { margin: 0 0 8px; font-size: 1.05rem; }

.mem-pick-row { display: flex; flex-wrap: wrap; gap: 10px; }

.mem-pick {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 4px;
  padding: 10px 14px;
  border-radius: 12px;
  border: 2px solid var(--color-border);
  background: var(--color-bg-alt);
  color: var(--color-text);
  cursor: pointer;
  font: inherit;
  min-width: 200px;
  text-align: left;
}
.mem-pick strong { font-size: 1rem; }
/* Label-only picks (e.g. Seasonal's season row) don't need the 200px tier width. */
.mem-pick:not(:has(small)) { min-width: 130px; }
.mem-pick small { color: var(--color-text-soft); }
.mem-pick[aria-pressed="true"] { border-color: var(--color-primary); background: rgba(79, 216, 224, 0.12); }

.mem-start-btn { align-self: flex-start; margin-top: 4px; }

.mem-rewards { font-size: 0.85rem; color: var(--color-text-soft); }
.mem-rewards strong { color: var(--color-text); }

.mem-play { display: flex; flex-direction: column; gap: 14px; align-items: center; width: 100%; }

.mem-banner {
  padding: 12px 16px;
  border-radius: 14px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  font-size: 1.05rem;
  font-weight: 800;
  text-align: center;
  width: 100%;
}

.mem-hud { display: flex; gap: 24px; font-size: 0.9rem; color: var(--color-text-soft); }
.mem-hud strong { color: var(--color-text); }

/* Cards are fluid squares that fill the available width up to a per-size cap,
   so the board stays big and tappable on desktop and still fits on phones. */
.mem-board {
  display: grid;
  gap: clamp(6px, 1.6vw, 12px);
  width: 100%;
  margin: 0 auto;
  grid-template-columns: repeat(4, minmax(0, 1fr));
}
.mem-board--6 { max-width: 420px; }
.mem-board--8 { max-width: 460px; }
.mem-board--12 { max-width: 460px; }
@media (min-width: 560px) { .mem-board--12 { grid-template-columns: repeat(6, minmax(0, 1fr)); max-width: 620px; } }

.mem-card {
  width: 100%;
  aspect-ratio: 1;
  border: none;
  background: none;
  padding: 0;
  cursor: pointer;
  perspective: 500px;
  container-type: inline-size;
}
.mem-card:focus-visible { outline: 3px solid var(--color-primary); outline-offset: 3px; border-radius: 14px; }

.mem-card-inner {
  position: relative;
  display: block;
  width: 100%;
  height: 100%;
  transform-style: preserve-3d;
  transition: transform 0.3s ease;
}
.mem-card--up .mem-card-inner, .mem-card--matched .mem-card-inner { transform: rotateY(180deg); }
.mem-card-back, .mem-card-front {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  backface-visibility: hidden;
}
.mem-card-back {
  background:
    radial-gradient(circle at 30% 25%, rgba(255, 255, 255, 0.22), transparent 55%),
    linear-gradient(135deg, var(--color-primary-dark), #6a5ae0 55%, var(--color-accent-dark));
  border: 2px solid rgba(255, 255, 255, 0.14);
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.35);
  font-size: 1.4rem;
  font-size: 34cqi;
  font-weight: 800;
  color: rgba(255, 255, 255, 0.85);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}
@media (hover: hover) {
  .mem-card:not(.mem-card--up):not(.mem-card--matched):hover .mem-card-back { box-shadow: 0 6px 16px rgba(79, 216, 224, 0.35); }
}
.mem-card-front { background: var(--color-surface); border: 2px solid var(--color-border); transform: rotateY(180deg); font-size: 1.6rem; font-size: 48cqi; font-weight: 800; }
.mem-card--matched .mem-card-front { border-color: var(--color-success); background: rgba(74, 222, 128, 0.1); }
.mem-card--matched .mem-card-inner { animation: mem-pop 0.35s ease; }
@keyframes mem-pop { 50% { transform: rotateY(180deg) scale(1.08); } }
@media (prefers-reduced-motion: reduce) {
  .mem-card-inner { transition: none; }
  .mem-card--matched .mem-card-inner { animation: none; }
}

.mem-actions { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; }