body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  text-align: center;
  background-color: #f0f8ff;
  margin: 0;
  padding: 20px;
}

h1 {
  margin-bottom: 10px;
  color: #333;
}

p {
  font-size: 18px;
  margin: 10px 0;
}

select, button {
  padding: 5px 10px;
  font-size: 16px;
  margin-left: 5px;
}

.game-board {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(80px, 1fr));
  gap: 10px;
  max-width: 400px;
  margin: 20px auto;
}

.card {
  width: 80px;
  height: 80px;
  background-color: #4682b4;
  color: white;
  font-size: 2em;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  border-radius: 8px;
  user-select: none;
  transition: background-color 0.3s, transform 0.2s;
}

.card:hover {
  transform: scale(1.05);
}

.card.flipped {
  background-color: #fff;
  color: #4682b4;
  cursor: default;
  box-shadow: 0 0 5px rgba(0,0,0,0.2);
}