/********** Photography gallery + lightbox **********/

/*** Album index — large 16:9 covers, two up ***/
.album-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
    list-style: none;
    margin: 0;
    padding: 0;
}

@media (max-width: 640px) {
    .album-grid {
        grid-template-columns: 1fr;
    }
}

.album-card {
    margin: 0;
}

.album-link {
    position: relative;
    display: block;
    aspect-ratio: 16 / 9;
    overflow: hidden;
    border-radius: var(--radius-md);
    background-color: var(--surface-sunken);
    transition: transform var(--dur-hover) var(--ease-out);
}

.album-link:active {
    transform: scale(0.99);
}

.album-link img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--dur-overlay) var(--ease-out);
}

/* The label sits on a scrim so it stays legible over any photo */
.album-label {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.25rem;
    padding: 1rem;
    text-align: center;
    color: #fff;
    background: linear-gradient(rgba(12, 17, 23, 0.35), rgba(12, 17, 23, 0.55));
    transition: opacity var(--dur-hover) var(--ease-out);
}

.album-name {
    font-family: "Jost", system-ui, sans-serif;
    font-size: clamp(1.25rem, 2.4vw, 1.875rem);
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    text-shadow: 0 1px 16px rgba(0, 0, 0, 0.5);
}

.album-count {
    font-size: 0.8125rem;
    letter-spacing: 0.06em;
    color: rgba(255, 255, 255, 0.75);
}

/* With a pointer, the photo carries the tile and the label arrives on hover.
   Touch devices have no hover, so the label stays put. */
@media (hover: hover) and (pointer: fine) {
    .album-label {
        opacity: 0;
    }

    .album-link:hover .album-label,
    .album-link:focus-visible .album-label {
        opacity: 1;
    }

    .album-link:hover img {
        transform: scale(1.03);
    }
}

/*** Album page — justified rows, sized in JS from each photo's ratio ***/
.photo-rows {
    display: flex;
    flex-wrap: wrap;
    gap: var(--gap, 8px);
}

.photo-cell {
    margin: 0;
    /* width/height are set per photo so each row fills the full width */
}

.photo-tile {
    display: block;
    width: 100%;
    height: 100%;
    padding: 0;
    border: 0;
    background: none;
    border-radius: var(--radius-sm);
    overflow: hidden;
    cursor: zoom-in;
    transition:
        transform var(--dur-hover) var(--ease-out),
        box-shadow var(--dur-hover) var(--ease-out);
}

.photo-tile:active {
    transform: scale(0.985);
}

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

@media (hover: hover) and (pointer: fine) {
    .photo-tile:hover {
        transform: translateY(-3px);
        box-shadow: var(--shadow-3);
    }
}

.album-back {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--ink-500);
    font-size: 0.9375rem;
    text-decoration: none;
    transition: color var(--dur-hover) ease, transform var(--dur-press) var(--ease-out);
}

.album-back:hover {
    color: var(--primary);
}

.album-back:active {
    transform: scale(0.97);
}

.gallery-empty {
    background-color: var(--surface-1);
    border: 1px solid var(--hairline);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-1);
    padding: 3rem 1.5rem;
    text-align: center;
}

.gallery-empty p {
    margin-left: auto;
    margin-right: auto;
    color: var(--ink-500);
}

/*** Lightbox ***/
.lightbox {
    position: fixed;
    inset: 0;
    z-index: 1080;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: clamp(0.75rem, 4vw, 3rem);
}

.lightbox[hidden] {
    display: none;
}

.lightbox-backdrop {
    position: absolute;
    inset: 0;
    background-color: rgba(12, 17, 23, 0.86);
    backdrop-filter: blur(18px) saturate(120%);
    -webkit-backdrop-filter: blur(18px) saturate(120%);
    opacity: 0;
    transition: opacity var(--dur-overlay) var(--ease-out);
}

.lightbox-figure {
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.875rem;
    margin: 0;
    max-width: 100%;
    max-height: 100%;
    opacity: 0;
    transform: scale(0.96);
    transition:
        opacity var(--dur-overlay) var(--ease-out),
        transform var(--dur-overlay) var(--ease-out);
    touch-action: none;
}

.lightbox.is-open .lightbox-backdrop,
.lightbox.is-open .lightbox-figure {
    opacity: 1;
    transform: scale(1);
}

/* Exit is quicker than entry */
.lightbox.is-closing .lightbox-backdrop,
.lightbox.is-closing .lightbox-figure {
    transition-duration: 200ms;
}

/* While a finger is on the image, it tracks 1:1 with no transition */
.lightbox-figure.is-dragging {
    transition: none;
}

.lightbox-img {
    display: block;
    max-width: 100%;
    max-height: calc(100vh - 11rem);
    width: auto;
    height: auto;
    border-radius: var(--radius-md);
    box-shadow: 0 24px 64px rgba(0, 0, 0, 0.5);
    background-color: rgba(255, 255, 255, 0.04);
    -webkit-user-drag: none;
    user-select: none;
}

.lightbox-caption {
    color: rgba(255, 255, 255, 0.86);
    font-size: 0.9375rem;
    letter-spacing: 0.01em;
    text-align: center;
    max-width: 60ch;
    margin: 0;
}

.lightbox-caption .lightbox-count {
    display: block;
    color: rgba(255, 255, 255, 0.55);
    font-size: 0.8125rem;
    margin-top: 0.25rem;
}

.lightbox-btn {
    position: absolute;
    z-index: 2;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    padding: 0;
    border: 0;
    border-radius: var(--radius-pill);
    color: var(--light);
    background-color: rgba(255, 255, 255, 0.14);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    cursor: pointer;
    transition:
        background-color var(--dur-hover) ease,
        transform var(--dur-press) var(--ease-out),
        opacity var(--dur-hover) ease;
}

.lightbox-btn:active {
    transform: scale(0.94);
}

.lightbox-btn[disabled] {
    opacity: 0.25;
    cursor: default;
}

@media (hover: hover) and (pointer: fine) {
    .lightbox-btn:not([disabled]):hover {
        background-color: rgba(255, 255, 255, 0.26);
    }
}

.lightbox-close {
    top: clamp(0.75rem, 3vw, 1.75rem);
    right: clamp(0.75rem, 3vw, 1.75rem);
}

.lightbox-prev {
    left: clamp(0.75rem, 3vw, 1.75rem);
    top: 50%;
    margin-top: -22px;
}

.lightbox-next {
    right: clamp(0.75rem, 3vw, 1.75rem);
    top: 50%;
    margin-top: -22px;
}

body.lightbox-open {
    overflow: hidden;
}

@media (prefers-reduced-motion: reduce) {
    .photo-tile:active,
    .photo-tile:hover,
    .album-link:active,
    .album-link:hover img,
    .album-back:active,
    .lightbox-btn:active {
        transform: none;
    }

    .lightbox-figure {
        transform: none;
        transition: opacity 200ms ease;
    }

    .lightbox.is-open .lightbox-figure {
        transform: none;
    }
}

@media (prefers-reduced-transparency: reduce) {
    .lightbox-backdrop {
        background-color: rgb(12, 17, 23);
        backdrop-filter: none;
        -webkit-backdrop-filter: none;
    }

    .lightbox-btn {
        background-color: rgba(255, 255, 255, 0.24);
        backdrop-filter: none;
        -webkit-backdrop-filter: none;
    }
}