/* Photography page */

.home-link {
    color: inherit;
    text-decoration: none;
}

nav ul li a.active {
    color: var(--primary-color);
    background-color: rgba(0, 230, 118, 0.1);
}

#photography {
    min-height: calc(100vh - 250px);
    padding-top: 50px;
}

.gallery-intro {
    text-align: center;
    color: var(--text-secondary);
    max-width: 600px;
    margin: -20px auto 35px;
}

/* Justified gallery: each tile's flex values are derived from its aspect
   ratio (--ar) so rows fill the full width at a roughly equal height. */
.gallery {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.gallery::after {
    content: '';
    flex-grow: 1000000;
    min-width: 0;
}

.photo-tile {
    position: relative;
    flex-grow: calc(var(--ar) * 100);
    flex-basis: calc(var(--ar) * 200px);
    aspect-ratio: var(--ar);
    padding: 0;
    border: none;
    border-radius: 4px;
    overflow: hidden;
    cursor: zoom-in;
    background-color: var(--card-bg);
}

.photo-tile img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.photo-tile .tile-meta {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    padding: 24px 12px 8px;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    text-align: left;
    color: var(--text-color);
    background: linear-gradient(to top, rgba(10, 14, 20, 0.85), transparent);
    opacity: 0;
    pointer-events: none;
}

.photo-tile:hover .tile-meta,
.photo-tile:focus-visible .tile-meta {
    opacity: 1;
}

.photo-tile:focus-visible {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

@media (prefers-reduced-motion: no-preference) {
    .photo-tile .tile-meta {
        transition: opacity 0.25s ease;
    }
}

/* Empty / error state reuses the site's terminal styling */
.gallery:has(.gallery-note) {
    justify-content: center;
}

.gallery:has(.gallery-note)::after {
    content: none;
}

.gallery-note {
    width: 100%;
    max-width: 600px;
    margin: 20px auto;
}

.gallery-note .terminal-content .output {
    color: var(--text-secondary);
    margin-top: 8px;
}

/* Lightbox */
.lightbox {
    position: fixed;
    inset: 0;
    z-index: 1000;
    background-color: rgba(8, 12, 18, 0.96);
    display: flex;
    align-items: center;
    justify-content: center;
}

.lightbox[hidden] {
    display: none;
}

.lightbox-figure {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    max-width: 100vw;
    margin: 0;
}

.lightbox-figure img {
    max-width: 94vw;
    max-height: calc(100vh - 110px);
    object-fit: contain;
    border-radius: 2px;
}

.lightbox-meta {
    padding: 14px 10px 0;
    text-align: center;
    max-width: 94vw;
}

.lightbox-title {
    color: var(--text-color);
    margin-bottom: 4px;
}

.lightbox-title:empty {
    display: none;
}

.lightbox-exif {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.lightbox-exif .prompt {
    color: var(--primary-color);
    margin-right: 8px;
}

.lightbox-counter {
    position: absolute;
    top: 18px;
    left: 22px;
    font-family: var(--font-mono);
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.lightbox-close {
    position: absolute;
    top: 10px;
    right: 16px;
    background: none;
    border: none;
    color: var(--text-color);
    font-size: 2.4rem;
    line-height: 1;
    cursor: pointer;
    padding: 6px 10px;
}

.lightbox-close:hover {
    color: var(--primary-color);
}

.lightbox-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(26, 38, 52, 0.6);
    border: 1px solid rgba(255, 255, 255, 0.15);
    color: var(--text-color);
    width: 44px;
    height: 44px;
    border-radius: 50%;
    cursor: pointer;
    font-size: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.lightbox-nav:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.lightbox-prev {
    left: 18px;
}

.lightbox-next {
    right: 18px;
}

.lightbox-close:focus-visible,
.lightbox-nav:focus-visible {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

@media screen and (max-width: 600px) {
    .photo-tile {
        flex-basis: calc(var(--ar) * 140px);
    }

    .lightbox-nav {
        display: none; /* swipe navigation on touch screens */
    }

    .lightbox-figure img {
        max-height: calc(100vh - 140px);
    }
}