/* V184: CSS-only gallery geometry; never resize after hydration/route change. */
.md91-presentation{grid-template-columns:minmax(0,max-content) minmax(0,1fr);align-items:start;}
.md91-gallery{--md105-side:clamp(180px,min(560px,calc(100dvh - 245px),calc((100vw - 560px) * .90)),560px);}
.md91-gallery .md91-stage{width:var(--md105-side);height:var(--md105-side);contain:layout;}
.md91-gallery .md91-stage .md75-main-photo{width:100%!important;height:100%!important;}
.md91-gallery .md91-stage #md75-main-image{display:block;width:100%!important;height:100%!important;object-fit:contain!important;}
@media(max-width:940px){
 .md91-presentation{grid-template-columns:minmax(0,1fr);}
 .md91-gallery{--md105-side:clamp(180px,min(520px,calc(100dvh - 220px),calc(100vw - 150px)),520px);}
}
@media(max-width:540px){
 .md91-gallery{--md105-side:max(160px,min(calc(100vw - 52px),calc(100dvh - 205px)));}
}