body {
  margin: 0;
  padding: 0;
  font-family: Arial, sans-serif;
  color: #333;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
  background: #f9f9f9;
}

.container {
  text-align: center;
  background: #fff;
  padding: 30px;
  border-radius: 12px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  max-width: 350px;
}

.logo {
  max-width: 120px;
  margin-bottom: 20px;
}

h1 {
  font-size: 1.8rem;
  color: #000;
  margin-bottom: 10px;
}

p {
  font-size: 1rem;
  color: #555;
  margin-bottom: 20px;
}

.construcao-img {
  max-width: 150px;
  margin: 20px 0;
}

.loader {
  border: 6px solid #f3f3f3;
  border-top: 6px solid #000000;
  border-radius: 50%;
  width: 50px;
  height: 50px;
  margin: 20px auto;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

.botoes {
  margin-top: 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

a.btn-voltar {
  display: inline-block;
  padding: 10px 15px;
  text-decoration: none;
  border-radius: 8px;
  color: #fff;
  transition: 0.3s ease;
  font-size: 0.95rem;
}

a.btn-voltar {
  background: #000;
}