/* General */
body {
  font-family: 'Segoe UI', sans-serif;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  background: linear-gradient(120deg, #f093fb, #f5576c);
  margin: 0;
  padding: 0;
}

.game-container {
  background: #fff;
  padding: 20px 30px;
  border-radius: 12px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.2);
  text-align: center;
  max-width: 500px;
  width: 100%;
}

h1 {
  margin-bottom: 15px;
}

.game-info {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 15px;
}

button {
  padding: 6px 12px;
  border: none;
  border-radius: 6px;
  background-color: #ff6f91;
  color: #fff;
  font-size: 14px;
  cursor: pointer;
  transition: 0.2s;
}

button:hover {
  background-color: #ff4c6d;
}

/* Grid */
.grid {
  display: grid;
  grid-template-columns: repeat(4, 70px);
  grid-gap: 10px;
  justify-content: center;
}

/* Cards */
.card {
  width: 70px;
  height: 70px;
  background-color: #f0f0f0;
  border-radius: 8px;
  display: flex;
  justify-content: center;
  align-items: center;
  font-size: 32px;
  cursor: pointer;
  position: relative;
  transform-style: preserve-3d;
  transition: transform 0.4s;
}

.card.flipped {
  transform: rotateY(180deg);
}

.card .front,
.card .back {
  position: absolute;
  width: 100%;
  height: 100%;
  backface-visibility: hidden;
  display: flex;
  justify-content: center;
  align-items: center;
  border-radius: 8px;
}

.card .front {
  background-color: #ff6f91;
  color: #fff;
  transform: rotateY(180deg);
}

.card .back {
  background-color: #f0f0f0;
  font-size: 32px;
}