body {
  font-family: 'Consolas', monospace;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
  margin: 0;
  background: linear-gradient(135deg, #6a11cb, #2575fc);
  color: white;
}

.container {
  text-align: center;
  background: rgba(0,0,0,0.4);
  padding: 30px;
  border-radius: 16px;
  box-shadow: 0 0 20px rgba(0,0,0,0.6);
  position: relative;
  width: 400px;
}

h1 {
  font-size: 1.2rem;
  margin-bottom: 20px;
}

input[type="text"] {
  width: 100%;
  padding: 12px;
  font-size: 16px;
  border: none;
  border-radius: 8px;
  outline: none;
}

button {
  margin-top: 15px;
  padding: 12px 24px;
  font-size: 16px;
  font-weight: bold;
  cursor: pointer;
  border: none;
  border-radius: 8px;
  background: #ff6b6b;
  color: white;
  transition: transform 0.2s, box-shadow 0.3s;
}

button:hover {
  transform: scale(1.05);
  box-shadow: 0 0 12px #ff6b6b;
}

.card-container {
  position: relative;
  height: 150px;
  margin-top: 25px;
}

.card {
  position: absolute;
  width: 200px;
  height: 100px;
  top: 0;
  left: 50%;
  transform: translateX(-50%) rotate(0deg);
  background: white;
  color: #333;
  font-weight: bold;
  display: flex;
  justify-content: center;
  align-items: center;
  border-radius: 12px;
  box-shadow: 0 5px 15px rgba(0,0,0,0.5);
  backface-visibility: hidden;
  opacity: 0;
  transition: transform 0.3s ease, opacity 0.3s ease;
}

.card.show {
  opacity: 1;
}

.card.chosen {
  background: #ff6b6b;
  color: white;
  transform: translateX(-50%) scale(1.2);
  z-index: 100;
}