/* Centrar la card en la pantalla */
body {
    .neon-moderno {
  width: 100%;
  height: 200px;
  background: linear-gradient(135deg, #00f2fe 0%, #4facfe 25%, #7000ff 50%, #f012be 75%, #ff00de 100%);
  background-size: 200% 200%;
  animation: gradientAnimation 5s ease infinite;
  border-radius: 15px;
  box-shadow: 0 0 20px rgba(112, 0, 255, 0.4); /* Sombra con brillo neon */
}

/* Animación para que los colores "se muevan" */
@keyframes gradientAnimation {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}



/* Inputs elegantes */
input {
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 6px;
    outline: none;
    transition: border 0.3s;
    font-size: large;
}

input:focus {
    border-color: #007bff;
}

/* Botón con efecto */
button {
    background-color: #007bff;
    color: white;
    border: none;
    padding: 12px;
    border-radius: 6px;
    font-weight: bold;
    cursor: pointer;
    transition: background 0.3s;
}

button:hover {
    background-color: #0056b3;
}

#resultado {
    font-weight: bold;
    color: #333;
    margin-top: 10px;
}





.card {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    width: 280px;
    display: flex;
    flex-direction: column;
    gap: 15px;
    text-align: center;
}