body {
  margin: 0;
  height: 100vh;
  display: flex;
  justify-content: center; /* Centrado horizontal */
  align-items: center;     /* Centrado vertical */
  background: #f8f9fa;
  font-family: Arial, sans-serif;
}

/* Contenedor en columna */
.container {
  display: flex;
  flex-direction: column; /* Apila card y IP */
  align-items: center;
}

/* Card */
.card {
  background: #ffffff;
  padding: 2rem;
  border-radius: 12px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.1);
  text-align: center;
  max-width: 320px;
  width: 90%;
}

/* Título */
.card-title {
  margin: 0 0 1rem;
  font-size: 1.8rem;
  font-weight: bold;
  color: #007bff;
}

/* Texto fecha/hora */
.card h2 {
  margin: 0 0 0.5rem;
  font-size: 1.4rem;
  color: #333;
}

.card h3 {
  margin: 0;
  font-size: 1.2rem;
  color: #555;
}

/* IP debajo del card */
.client-ip {
  margin-top: 1rem;
  font-size: 0.9rem;
  color: #777; /* Color más tenue */
}