body.rsvp-image-viewer-open { overflow: hidden; }

img[data-rsvp-gallery-image] {
  opacity: 1;
  transition: opacity 180ms ease-out;
}

img[data-rsvp-gallery-image].rsvp-gallery-image--swapping { opacity: 0.84; }

.rsvp-image-viewer[hidden] { display: none; }
.rsvp-image-viewer {
  position: fixed;
  z-index: 1100;
  inset: 0;
  display: grid;
  place-items: center;
  padding: max(16px, env(safe-area-inset-top)) max(16px, env(safe-area-inset-right)) max(16px, env(safe-area-inset-bottom)) max(16px, env(safe-area-inset-left));
  background: rgba(18, 16, 24, 0.82);
}

.rsvp-image-viewer__dialog {
  position: relative;
  display: grid;
  place-items: center;
  width: min(100%, 1080px);
  max-height: 100%;
  padding: 12px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.42);
}

.rsvp-image-viewer__image {
  display: block;
  width: auto;
  max-width: min(100%, 1040px);
  height: auto;
  max-height: calc(100svh - 56px);
  object-fit: contain;
}

.rsvp-image-viewer__close {
  position: absolute;
  z-index: 1;
  top: 18px;
  right: 18px;
  width: 42px;
  height: 42px;
  border: 1px solid rgba(0, 0, 0, 0.15);
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.96);
  color: #23202a;
  cursor: pointer;
  font: 700 1.5rem/1 Arial, sans-serif;
}

.rsvp-image-viewer__close:focus-visible {
  outline: 3px solid #6d5c9b;
  outline-offset: 3px;
}

@media (prefers-reduced-motion: reduce) {
  img[data-rsvp-gallery-image] { transition: none; }
}

@media (max-width: 560px) {
  .rsvp-image-viewer { padding: 10px; }
  .rsvp-image-viewer__dialog { padding: 8px; border-radius: 14px; }
  .rsvp-image-viewer__image { max-height: calc(100svh - 36px); }
  .rsvp-image-viewer__close { top: 14px; right: 14px; width: 40px; height: 40px; }
}