/* ===================== Memory game — stats bar ===================== */
.gm-memory-statsbar {
  display: flex;
  gap: 10px;
  margin-bottom: 18px;
  flex-wrap: wrap;
}
.gm-memory-stat {
  flex: 1;
  min-width: 90px;
  background: var(--primary-tint, #f3effe);
  border: 1px solid var(--border, #e5e0ff);
  border-radius: 10px;
  padding: 8px 10px;
  text-align: center;
}
.gm-memory-stat .gm-stat-label {
  display: block; font-size: .68rem; text-transform: uppercase;
  letter-spacing: .04em; color: var(--muted, #5B6660); margin-bottom: 2px;
}
.gm-memory-stat .gm-stat-value {
  display: block; font-weight: 800; font-size: 1.15rem; color: var(--primary, #7c3aed);
}
.gm-memory-stat.gm-stat-urgent .gm-stat-value { color: #ef4444; animation: gmPulseUrgent 1s infinite; }
@keyframes gmPulseUrgent { 0%,100% { opacity: 1; } 50% { opacity: .4; } }

/* ===================== Memory game — card grid ===================== */
.gm-memory-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
  max-width: 520px;
  margin: 0 auto;
  perspective: 800px;
}
.gm-memory-card {
  aspect-ratio: 1 / 1;
  cursor: pointer;
  user-select: none;
  position: relative;
  transform-style: preserve-3d;
  transition: transform .45s cubic-bezier(.2,.85,.4,1.15);
}
.gm-memory-card.gm-flipped, .gm-memory-card.gm-matched {
  transform: rotateY(180deg);
}
.gm-card-face {
  position: absolute; inset: 0;
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.7rem;
  backface-visibility: hidden;
}
.gm-card-back {
  background: linear-gradient(135deg, var(--gm-purple, #7c3aed), var(--gm-pink, #ec4899));
  box-shadow: 0 4px 10px rgba(124,58,237,.3);
}
.gm-card-back::after {
  content: "?";
  color: rgba(255,255,255,.85);
  font-weight: 800;
  font-size: 1.4rem;
}
.gm-card-front {
  background: #fff;
  border: 2px solid #e5e0ff;
  transform: rotateY(180deg);
}
.gm-memory-card.gm-matched .gm-card-front {
  background: #ecfdf5;
  border-color: #22C55E;
  border-width: 3px;
  animation: gmMatchPop .4s ease;
}
.gm-memory-card.gm-matched { cursor: default; }
.gm-memory-card.gm-wrong .gm-card-back { animation: gmShake .35s ease; }

@keyframes gmMatchPop {
  0% { transform: rotateY(180deg) scale(1); }
  50% { transform: rotateY(180deg) scale(1.12); }
  100% { transform: rotateY(180deg) scale(1); }
}
@keyframes gmShake {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-4px); }
  75% { transform: translateX(4px); }
}

/* Grid column counts per difficulty */
.gm-memory-grid[data-cols="4"] { grid-template-columns: repeat(4, 1fr); }
.gm-memory-grid[data-cols="5"] { grid-template-columns: repeat(5, 1fr); }
.gm-memory-grid[data-cols="6"] { grid-template-columns: repeat(6, 1fr); }

@media (max-width: 575.98px) {
  .gm-memory-grid { gap: 6px; }
  .gm-card-face { font-size: 1.3rem; border-radius: 8px; }
  .gm-memory-statsbar { gap: 6px; }
}

/* ===================== Result overlay ===================== */
.gm-result-overlay { text-align: center; padding: 30px 20px; }
.gm-result-overlay .gm-result-emoji { font-size: 3.4rem; display: block; margin-bottom: 10px; }
.gm-result-overlay h3 { font-weight: 800; margin-bottom: 4px; }
.gm-result-score {
  display: inline-block; margin: 14px 0;
  background: linear-gradient(135deg, var(--gm-purple, #7c3aed), var(--gm-pink, #ec4899));
  color: #fff; font-weight: 800; font-size: 1.8rem;
  padding: 10px 30px; border-radius: 50px;
}
.gm-login-prompt {
  background: #fff8e1; border: 1px solid #ffe082; border-radius: 12px;
  padding: 16px; margin-top: 14px; color: #7a5c00;
}