/* Curation Pictures - Instagram-style grid */
.curation-picture-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 4px;
    width: 100%;
    min-width: 0;
}
.curation-picture-grid__item {
    position: relative;
    aspect-ratio: 1;
    overflow: hidden;
    min-width: 0;
    background: var(--color-surface-alt, #f0f0f0);
    cursor: pointer;
}
.curation-picture-grid__item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.2s ease;
}
.curation-picture-grid__item:hover img {
    transform: scale(1.05);
}
.curation-picture-grid__gallery-indicator {
    position: absolute;
    top: 0.5rem;
    right: 0.5rem;
    z-index: 2;
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.3rem 0.45rem;
    border-radius: 999px;
    background: rgba(0, 0, 0, 0.72);
    color: #fff;
    font-size: 0.75rem;
    font-weight: 600;
    line-height: 1;
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.25);
    pointer-events: none;
}
.curation-picture-grid__gallery-indicator svg {
    display: block;
    flex-shrink: 0;
}
.curation-picture-grid__item .picture-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0,0,0,0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.2s ease;
}
.curation-picture-grid__item:hover .picture-overlay {
    opacity: 1;
}
.curation-picture-grid__placeholder {
    aspect-ratio: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-surface-alt, #f0f0f0);
    color: var(--color-text-muted, #999);
    text-align: center;
    padding: 0.5rem;
    font-size: 0.8rem;
}
.curation-picture-grid__placeholder code {
    display: block;
    word-break: break-all;
    font-size: 0.65rem;
    opacity: 0.7;
}
.curation-sync-relay-info {
    margin-top: 0.4rem;
    font-size: 0.65rem;
    opacity: 0.8;
}
.curation-sync-relay-list {
    list-style: none;
    padding: 0;
    margin: 0.2rem 0 0;
    display: flex;
    flex-wrap: wrap;
    gap: 0.2rem;
    justify-content: center;
}
.curation-sync-relay-list li {
    background: var(--color-surface, rgba(0,0,0,0.06));
    padding: 0.1rem 0.3rem;
    border-radius: 3px;
    font-size: 0.6rem;
    max-width: 100%;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.picture-lightbox {
    position: fixed;
    inset: 0;
    z-index: 1000;
    background: rgba(0,0,0,0.92);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.25s, visibility 0.25s;
    padding: 2rem 1rem 6rem;
}
.picture-lightbox.is-open {
    opacity: 1;
    visibility: visible;
}
.picture-lightbox__image {
    max-width: 90vw;
    max-height: 72vh;
    object-fit: contain;
}
.picture-lightbox__details {
    position: absolute;
    left: 50%;
    bottom: 1.25rem;
    transform: translateX(-50%);
    width: min(90vw, 760px);
    min-width: 0;
    max-height: 22vh;
    overflow: auto;
    padding: 0.95rem 1rem;
    border-radius: 12px;
    background: rgba(0, 0, 0, 0.62);
    color: #fff;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.35);
}
.picture-lightbox__details.is-empty {
    display: none;
}
.picture-lightbox__title {
    margin: 0 0 0.4rem;
    font-size: 1.15rem;
    line-height: 1.3;
}
.picture-lightbox__content {
    margin-bottom: 0.65rem;
    color: rgba(255, 255, 255, 0.92);
    font-size: 0.95rem;
}
.picture-lightbox__content :last-child {
    margin-bottom: 0;
}
.picture-lightbox__publisher {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    flex-wrap: wrap;
    color: rgba(255, 255, 255, 0.88);
    font-size: 0.88rem;
}
.picture-lightbox__close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    border: none;
    color: white;
    font-size: 1.5rem;
    cursor: pointer;
}

.picture-lightbox__nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255,255,255,0.15);
    border: none;
    color: white;
    font-size: 1.5rem;
    cursor: pointer;
}
.picture-lightbox__nav.is-hidden {
    display: none;
}
.picture-lightbox__nav:disabled {
    opacity: 0.35;
    cursor: default;
}
.picture-lightbox__nav:hover {
    background: rgba(255,255,255,0.3);
}
.picture-lightbox__nav:disabled:hover {
    background: rgba(255,255,255,0.15);
}
.picture-lightbox__nav--prev { left: 1rem; }
.picture-lightbox__nav--next { right: 1rem; }
@media (max-width: 640px) {
    .curation-picture-grid { grid-template-columns: repeat(2, 1fr); gap: 2px; }
    .picture-lightbox {
        padding-bottom: 7rem;
    }
    .picture-lightbox__image {
        max-width: 94vw;
        max-height: 64vh;
    }
    .picture-lightbox__details {
        width: min(94vw, 94vw);
        max-height: 26vh;
    }
}
@media (max-width: 440px) {
    .curation-picture-grid { grid-template-columns: repeat(1, 1fr); gap: 2px; }
}
@media (min-width: 1200px) {
    .curation-picture-grid { grid-template-columns: repeat(4, 1fr); }
}