body {
  font-family: 'Comic Sans MS', cursive;
  background: linear-gradient(135deg, #fef9e7, #d4efdf);
  text-align: center;
  margin: 0;
  padding: 0;
  color: #2c3e50;
}

header {
  background: #45b39d;
  color: white;
  padding: 1rem;
  box-shadow: 0 4px 6px rgba(0,0,0,0.2);
}

header h1 {
  margin: 0;
  font-size: 2rem;
}

.info {
  margin-top: 0.5rem;
  font-size: 1.1rem;
}

main {
  padding: 2rem 1rem;
}

.embaralhada {
  font-size: 2.5rem;
  font-weight: bold;
  color: #154360;
  margin-bottom: 1rem;
  animation: pulse 1s infinite;
}

@keyframes pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.08); }
}

input {
  font-size: 1.2rem;
  padding: 10px;
  width: 80%;
  max-width: 300px;
  border: 2px solid #3498db;
  border-radius: 10px;
}

button {
  margin-top: 1rem;
  font-size: 1.1rem;
  padding: 10px 20px;
  border: none;
  background: #3498db;
  color: white;
  border-radius: 10px;
  cursor: pointer;
  transition: background 0.3s;
}

button:hover {
  background: #21618c;
}

#mensagem {
  margin-top: 1rem;
  font-weight: bold;
  font-size: 1.2rem;
  color: #117a65;
}

footer {
  margin-top: 3rem;
}

.voltar {
  background: #d35400;
}

.voltar:hover {
  background: #a04000;
}