#popup-overlay {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  backdrop-filter: blur(4px);
}

#popup-box {
  background: white;
  border-radius: 12px;
  box-shadow: 0 0 30px rgba(0,0,0,0.3);
  max-width: 90%;
  width: 600px;
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.4s ease, transform 0.4s ease;
}

.popup-inner {
  padding: 20px;
  font-family: sans-serif;
  font-size: 16px;
}