:root {
  --mm-bg: #0f172a;
  --mm-panel: #111c35;
  --mm-card: #182847;
  --mm-border: #334155;
  --mm-text: #e2e8f0;
  --mm-muted: #94a3b8;
  --mm-accent: #22c55e;
  --mm-warn: #f97316;
}

.memory-page {
  padding: 24px 16px 48px;
  color: var(--mm-text);
}

.memory-hero,
.game-shell,
.info-card,
.best-row,
.status-row,
.teacher-drawer,
.how-to-modal {
  background: var(--mm-panel);
  border: 1px solid var(--mm-border);
  border-radius: 14px;
}

.memory-hero {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: flex-end;
  padding: 20px;
  margin-bottom: 16px;
}

.memory-hero h1 {
  margin: 0;
  color: #fff;
}

.subtitle { margin: 8px 0 0; color: var(--mm-muted); }

.game-shell { padding: 16px; }

.controls-bar {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
  gap: 10px;
  align-items: end;
}

.controls-bar label {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font: 700 13px/1.2 Poppins, sans-serif;
}

select {
  border-radius: 10px;
  border: 1px solid #475569;
  background: #0b1222;
  color: #f8fafc;
  min-height: 40px;
  padding: 8px 10px;
}

.control-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.stats-row {
  margin-top: 14px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 10px;
}

.stat {
  background: #0b1222;
  border: 1px solid #334155;
  border-radius: 12px;
  padding: 10px;
}

.stat span {
  display: block;
  font: 700 11px/1.2 Poppins, sans-serif;
  color: var(--mm-muted);
  text-transform: uppercase;
}

.stat strong {
  font: 700 20px/1.2 Poppins, sans-serif;
  color: #fff;
}

.best-row,
.status-row {
  margin-top: 10px;
  padding: 10px 12px;
  color: var(--mm-muted);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
}

#status-text { margin: 0; }
#strikes-wrap { color: #fed7aa; }

.board-wrap { margin-top: 12px; }

.game-board {
  display: grid;
  gap: 10px;
}

.memory-card {
  position: relative;
  border: 1px solid #475569;
  border-radius: 12px;
  background: var(--mm-card);
  color: #fff;
  min-height: clamp(68px, 12vw, 110px);
  cursor: pointer;
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  transition: transform .2s ease, background .2s ease;
}

.memory-card:focus-visible {
  outline: 3px solid #38bdf8;
  outline-offset: 2px;
}

.memory-card .front,
.memory-card .back {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  backface-visibility: hidden;
  border-radius: 12px;
}

.memory-card .back { background: linear-gradient(145deg, #1d4ed8, #1e293b); }
.memory-card .front { transform: rotateY(180deg); background: #0b1222; }
.memory-card.is-flipped { transform: rotateY(180deg); }
.memory-card.is-matched { background: #052e16; border-color: #16a34a; cursor: default; }
.memory-card[disabled] { opacity: 0.95; }

.info-grid {
  margin-top: 16px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 12px;
}

.info-card { padding: 14px; }
.info-card h2 { margin-top: 0; color: #fff; font-size: 1.1rem; }
.info-card ul { margin: 0; padding-left: 20px; color: var(--mm-muted); }
.info-card p { color: var(--mm-muted); margin: 0; }

.teacher-drawer {
  position: fixed;
  right: 0;
  top: 0;
  height: 100%;
  width: min(320px, 92vw);
  padding: 18px;
  z-index: 40;
  transform: translateX(102%);
  transition: transform .2s ease;
  background: #0b1222;
}

.teacher-drawer.open { transform: translateX(0); }
.teacher-drawer h2 { margin-top: 0; color: #fff; }
.teacher-drawer label { display: block; margin-bottom: 10px; color: var(--mm-text); }
.teacher-drawer select { margin-top: 6px; width: 100%; }

.how-to-modal {
  max-width: 480px;
  width: calc(100% - 24px);
  color: var(--mm-text);
  background: #0b1222;
}

.how-to-modal::backdrop { background: rgba(2, 6, 23, .7); }
.how-to-modal h2 { margin-top: 0; color: #fff; }
.how-to-modal ol { color: var(--mm-muted); }

body { background: radial-gradient(circle at top, #172554, #020617 55%); }

@media (max-width: 760px) {
  .memory-hero { flex-direction: column; align-items: flex-start; }
  .control-buttons .button { flex: 1 1 auto; }
}

@media (prefers-reduced-motion: reduce) {
  .memory-card,
  .teacher-drawer { transition: none !important; }
}