Revert "Update igny8-colors.css"

This reverts commit 15fc384052.

frontend/src/styles/igny8-colors.css

@@ -230,35 +230,6 @@
 .igny8-badge-danger { background: var(--igny8-red); }
 .igny8-badge-purple { background: var(--igny8-purple); }
 
-/* ===================================================================
-   LIGHTBOX GLASSMORPHISM STYLES
-   =================================================================== */
-/* Custom glassmorphism background for yet-another-react-lightbox */
-.yarl__container {
-  background: rgba(0, 0, 0, 0.4) !important;
-  backdrop-filter: blur(12px) saturate(180%);
-  -webkit-backdrop-filter: blur(12px) saturate(180%);
-}
-
-.yarl__backdrop {
-  background: rgba(0, 0, 0, 0.3) !important;
-  backdrop-filter: blur(12px) saturate(180%);
-  -webkit-backdrop-filter: blur(12px) saturate(180%);
-}
-
-/* Dark mode adjustments */
-.dark .yarl__container {
-  background: rgba(0, 0, 0, 0.5) !important;
-  backdrop-filter: blur(16px) saturate(180%);
-  -webkit-backdrop-filter: blur(16px) saturate(180%);
-}
-
-.dark .yarl__backdrop {
-  background: rgba(0, 0, 0, 0.4) !important;
-  backdrop-filter: blur(16px) saturate(180%);
-  -webkit-backdrop-filter: blur(16px) saturate(180%);
-}
-
 /* ===================================================================
    COMPACT LAYOUT STYLES (Global - Apply to all pages)
    =================================================================== */