body {
  background: linear-gradient(270deg, #1c1c1c, #273444, #1d3557);
  background-size: 600% 600%;
  animation: gradientMove 15s ease infinite;
  height: 100vh;
  margin: 0;
  display: flex;
  justify-content: center;
  align-items: center;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  overflow: hidden;
}

@keyframes gradientMove {
  0% {
    background-position: 0% 50%;
  }
  50% {
    background-position: 100% 50%;
  }
  100% {
    background-position: 0% 50%;
  }
}
.overlay {
  position: fixed;
  top: 0; left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.3); /* Negro semitransparente */
  z-index: 0;
}


.card {
  width: 90%;
  max-width: 500px;
  padding: 3rem;
  border-radius: 1.5rem;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(10px);
  box-shadow: 0 8px 40px rgba(0, 0, 0, 0.2);
  text-align: center;
  opacity: 0;
  transform: translateY(50px);
}

.status-icon {
  font-size: 4rem;
  color: #159934;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
  margin-bottom: 1rem;
}

h2 {
  color: #007bff;
  font-weight: 700;
  font-size: 2rem;
}

.lead {
  color: #333;
  margin-top: 1rem;
}

.badge-success {
  font-size: 0.9rem;
}

footer {
  position: absolute;
  bottom: 15px;
  text-align: center;
  width: 100%;
  color: white;
  font-size: 0.85rem;
  opacity: 0.8;
}