/* Loader animado para login (huella/logo) */
.loader-bg {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  width: 100vw; height: 100vh;
  background: rgba(244,247,250,0.92);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.4s;
}
.loader-bg.hide {
  opacity: 0;
  pointer-events: none;
}
.loader-logo {
  width: 110px;
  height: 110px;
  background: #fff;
  border-radius: 18px;
  box-shadow: 0 2px 16px #0002;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 12px;
}
.loader-logo img {
  width: 100%;
  height: auto;
  display: block;
}