.coin-toss-container {
  font-family: Arial, sans-serif;
  background: #f5f5f5;
  text-align: center;
  padding: 30px;
  border-radius: 12px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

.coin-toss-container h1 {
  color: #333;
  margin-bottom: 20px;
}

.coin {
  width: 150px;
  height: 150px;
  margin: 30px auto;
  perspective: 1000px;
}

.coin-inner {
  width: 100%;
  height: 100%;
  position: relative;
  transform-style: preserve-3d;
  transition: transform 1s;
}

.coin-head, .coin-tail {
  position: absolute;
  width: 100%;
  height: 100%;
  border-radius: 50%;
  line-height: 150px;
  font-size: 24px;
  font-weight: bold;
  color: white;
  backface-visibility: hidden;
}

.coin-head {
  background: #007bff;
}

.coin-tail {
  background: #28a745;
  transform: rotateY(180deg);
}

.coin-toss-container button {
  background: #007bff;
  color: white;
  border: none;
  padding: 12px 25px;
  font-size: 16px;
  border-radius: 8px;
  cursor: pointer;
  transition: background 0.3s;
}

.coin-toss-container button:hover {
  background: #0056b3;
}

#result {
  margin-top: 20px;
  font-size: 22px;
  font-weight: bold;
  color: #444;
}