.photo-container {
    background-color: white;
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: hidden;
    opacity: 0;
    transition: opacity 1.5s ease-in;
}

.photo-container.visible {
    opacity: 1;
}

.photo-container img {
    width: 100%;
    height: auto;
    display: block;
    opacity: 0;
    transition: opacity 6s ease-in;
    object-fit: contain;
}

.photo-container img.loaded {
    opacity: 1;
}

.darkroom-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: black;
    opacity: 1;
    transition: opacity 6s ease-out;
    transition-delay: 1s;
}

.darkroom-overlay.fading {
    opacity: 0;
}