.php-preview-overlay {
  position: fixed;
  inset: 0;
  z-index: 80;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.8);
  padding: 1rem;
}

.php-preview-overlay img {
  max-height: 90vh;
  max-width: 100%;
  border-radius: 0.75rem;
  object-fit: contain;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.6);
}

.php-preview-overlay button {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
}