/* Pequeña marca de agua: calculadoras gratuitas desde login.html (iframes o standalone) */
.np-free-watermark {
  position: fixed;
  top: 8px;
  right: 10px;
  z-index: 99998;
  pointer-events: none;
  line-height: 0;
}
.np-free-watermark img {
  height: 28px;
  width: auto;
  max-width: min(38vw, 96px);
  object-fit: contain;
  opacity: 0.4;
  display: block;
}
@media (min-width: 640px) {
  .np-free-watermark img {
    height: 32px;
    opacity: 0.43;
  }
}