/* Fælles popup styling */
.overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.55);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
}
.overlay.hidden { display: none; }
.overlay-box {
  background: #fff;
  border-radius: 10px;
  box-shadow: 0 4px 20px rgba(0,0,0,.3);
  max-width: 400px;
  width: 90%;
  padding: 2rem;
  text-align: center;
  font-size: 1rem;
  color: #222;
  animation: fadeIn .3s ease;
}
.overlay-box.success { border-top: 5px solid #3a0; }
.overlay-box.error   { border-top: 5px solid #c00; }
.overlay-box.info    { border-top: 5px solid #06c; }
@keyframes fadeIn {
  from {opacity:0; transform:scale(.9);}
  to {opacity:1; transform:scale(1);}
}