* { box-sizing: border-box; }

:root {
  --bg: #fff8e7;
  --primary: #ff6b9d;
  --primary-dark: #d94872;
  --accent: #4ecdc4;
  --accent-dark: #2da89f;
  --warning: #ffd93d;
  --good: #6bcf7f;
  --bad: #ff6b6b;
  --text: #2d3142;
  --muted: #6c757d;
  --card: #ffffff;
  --shadow: 0 4px 12px rgba(45, 49, 66, 0.1);
  --shadow-hover: 0 8px 24px rgba(45, 49, 66, 0.18);
}

body {
  margin: 0;
  min-height: 100vh;
  background: linear-gradient(135deg, #fff8e7 0%, #ffe5f1 100%);
  color: var(--text);
  font-family: 'Comic Sans MS', 'Trebuchet MS', system-ui, sans-serif;
  padding: 20px;
}

header { text-align: center; margin-bottom: 30px; }
header h1 {
  margin: 0;
  font-size: clamp(28px, 5vw, 42px);
  color: var(--primary-dark);
  text-shadow: 2px 2px 0 rgba(255, 217, 61, 0.6);
}
.subtitle { margin: 8px 0 0; color: var(--muted); font-size: 18px; }

.screen { display: none; max-width: 1100px; margin: 0 auto; }
.screen.active { display: block; }

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 18px;
}
.card {
  background: var(--card);
  border: 3px solid transparent;
  border-radius: 16px;
  padding: 20px 16px;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 8px;
  box-shadow: var(--shadow);
  transition: transform 0.15s ease, box-shadow 0.15s ease, border-color 0.15s ease;
  font-family: inherit;
  color: var(--text);
}
.card:hover, .card:focus {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  border-color: var(--primary);
  outline: none;
}
.card .emoji { font-size: 48px; line-height: 1; }
.card .title { font-size: 18px; font-weight: bold; color: var(--primary-dark); }
.card .desc { font-size: 13px; color: var(--muted); }

.game-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
  flex-wrap: wrap;
  gap: 12px;
}
.game-header h2 {
  margin: 0;
  color: var(--primary-dark);
  flex: 1;
  text-align: center;
  font-size: 28px;
}
.game-hud { display: flex; gap: 16px; font-size: 16px; }
.game-hud b { color: var(--accent-dark); }
.back {
  background: var(--card);
  border: 2px solid var(--primary);
  color: var(--primary-dark);
  padding: 8px 16px;
  border-radius: 12px;
  cursor: pointer;
  font-family: inherit;
  font-size: 15px;
  font-weight: bold;
}
.back:hover { background: var(--primary); color: white; }

#gameArea {
  background: var(--card);
  border-radius: 20px;
  padding: 32px;
  box-shadow: var(--shadow);
  min-height: 380px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 24px;
}

.question {
  font-size: clamp(36px, 7vw, 64px);
  font-weight: bold;
  color: var(--primary-dark);
  text-align: center;
  letter-spacing: 2px;
}
.options {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 14px;
  width: 100%;
  max-width: 600px;
}
.option {
  background: var(--accent);
  color: white;
  border: none;
  border-radius: 14px;
  padding: 20px;
  font-size: 28px;
  font-weight: bold;
  cursor: pointer;
  font-family: inherit;
  transition: transform 0.1s ease, background 0.2s;
  min-height: 70px;
}
.option:hover { background: var(--accent-dark); transform: scale(1.04); }
.option.correct { background: var(--good); animation: pop 0.3s; }
.option.wrong { background: var(--bad); animation: shake 0.4s; }
.option:disabled { cursor: default; }

.feedback {
  text-align: center;
  font-size: 22px;
  font-weight: bold;
  margin-top: 16px;
  min-height: 30px;
}
.feedback.good { color: var(--good); }
.feedback.bad { color: var(--bad); }

@keyframes pop {
  0% { transform: scale(1); }
  50% { transform: scale(1.15); }
  100% { transform: scale(1); }
}
@keyframes shake {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-8px); }
  75% { transform: translateX(8px); }
}

.memory-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  max-width: 500px;
  width: 100%;
}
.mem-card {
  aspect-ratio: 1;
  background: var(--primary);
  border: none;
  border-radius: 14px;
  font-size: 40px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.2s, background 0.2s;
  font-family: inherit;
}
.mem-card:hover:not(.flipped):not(.matched) { transform: scale(1.05); }
.mem-card.flipped { background: var(--warning); }
.mem-card.matched { background: var(--good); cursor: default; }
.mem-card.hidden-content { color: transparent; }

.count-display {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
  font-size: 42px;
  max-width: 600px;
  padding: 20px;
  background: var(--bg);
  border-radius: 12px;
}

.compare-row {
  display: flex;
  align-items: center;
  gap: 24px;
  font-size: 64px;
  font-weight: bold;
  color: var(--primary-dark);
}
.compare-row .num {
  background: var(--bg);
  padding: 16px 32px;
  border-radius: 16px;
  min-width: 100px;
  text-align: center;
}
.compare-row .qmark { color: var(--accent-dark); font-size: 80px; }

.guess-input { display: flex; gap: 12px; align-items: center; }
.guess-input input {
  font-size: 32px;
  padding: 12px 20px;
  border: 3px solid var(--accent);
  border-radius: 12px;
  width: 140px;
  text-align: center;
  font-family: inherit;
  font-weight: bold;
}
.guess-history {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
  max-width: 500px;
}
.guess-chip {
  background: var(--bg);
  padding: 6px 12px;
  border-radius: 20px;
  font-size: 16px;
  border: 2px solid var(--muted);
}
.guess-chip.up { border-color: var(--accent); color: var(--accent-dark); }
.guess-chip.down { border-color: var(--primary); color: var(--primary-dark); }

.btn {
  background: var(--card);
  border: 2px solid var(--primary);
  color: var(--primary-dark);
  padding: 14px 24px;
  border-radius: 14px;
  cursor: pointer;
  font-family: inherit;
  font-size: 18px;
  font-weight: bold;
}
.btn:hover { background: var(--primary); color: white; }
.btn.primary { background: var(--primary); color: white; }
.btn.primary:hover { background: var(--primary-dark); }

.end-card {
  background: var(--card);
  border-radius: 20px;
  padding: 40px;
  max-width: 500px;
  margin: 60px auto;
  text-align: center;
  box-shadow: var(--shadow);
}
.end-card h2 { font-size: 42px; color: var(--primary-dark); margin: 0 0 16px; }
.big-score { font-size: 72px; font-weight: bold; color: var(--accent-dark); margin: 16px 0; }
.stars { font-size: 36px; margin: 16px 0; }
.end-buttons { display: flex; gap: 12px; justify-content: center; margin-top: 24px; flex-wrap: wrap; }

@media (max-width: 480px) {
  .memory-grid { grid-template-columns: repeat(3, 1fr); }
  .compare-row { font-size: 42px; }
  .compare-row .num { padding: 12px 20px; min-width: 70px; }
}