body {
  background: radial-gradient(circle, #ffffff, #e0e0e0);
  min-height: 100vh;
}

.card-placeholder {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 200px;
  margin-top: 1rem;
}

.playing-card {
  width: 120px;
  height: 180px;
  border: 1px solid #ccc;
  border-radius: 10px;
  background-color: white;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
  font-size: 2rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 10px;
}

.card-top,
.card-bottom {
  font-size: 1.5rem;
}

.heart,
.diamond {
  color: red;
}

.spade,
.club {
  color: black;
}

.score-counter-container {
  margin-top: 25px;
}

.score-display {
  font-family: 'Helvetica', sans-serif;
  font-size: 1.4rem;
  font-weight: 700;
  padding: 12px 24px;
  background: linear-gradient(30deg, pink, blue);
  color: #fff;
  border-radius: 20px;
  box-shadow: 0 6px 12px rgba(0, 0, 0, 0.2);
  text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.2);
  display: inline-block;
  animation: glow 1.5s ease-in-out infinite alternate;
}

@keyframes glow {
  from {
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.2);
  }
  to {
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.3);
  }
}