/* ============================================================
   ARTWORK DETAIL — artwork.css
   ============================================================ */

/* ── Layout ─────────────────────────────────────────────── */
.artwork-section {
    padding-block: var(--space-8) var(--space-24);
}

.artwork-layout {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-10);
}

@media (min-width: 900px) {
    .artwork-layout {
        grid-template-columns: 1.1fr 0.9fr;
        gap: clamp(var(--space-10), 5vw, var(--space-20));
        align-items: start;
    }
}

/* ── Viewer ─────────────────────────────────────────────── */
.artwork-viewer {
    position: relative;
}

@media (min-width: 900px) {
    .artwork-viewer {
        position: sticky;
        top: calc(var(--header-height) + var(--space-8));
    }
}

.artwork-main-wrap {
    position: relative;
    background-color: var(--c-grey-light);
    overflow: hidden;
    aspect-ratio: 3/4;
}

.artwork-main-image {
    width: 100%;
    height: 100%;
    object-fit: contain;
    cursor: zoom-in;
    transition: opacity 480ms cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.artwork-main-image.is-loading {
    opacity: 0;
}

/* Frame overlay — positioned over main image */
.artwork-frame-overlay {
    position: absolute;
    inset: 0;
    background-size: 100% 100%;
    background-repeat: no-repeat;
    background-position: center;
    pointer-events: none;
    opacity: 0;
    transition: opacity var(--transition-base);
}

.artwork-frame-overlay.is-visible {
    opacity: 1;
}

/* Video embed */
.artwork-video-embed {
    position: absolute;
    inset: 0;
    background-color: var(--c-black);
}

.artwork-video-embed iframe {
    width: 100%;
    height: 100%;
    border: none;
}

/* ── Thumbnails ─────────────────────────────────────────── */
.artwork-thumbs {
    display: flex;
    gap: var(--space-2);
    margin-top: var(--space-3);
    overflow-x: auto;
    scrollbar-width: none;
    -ms-overflow-style: none;
    padding-bottom: var(--space-1);
}

.artwork-thumbs::-webkit-scrollbar {
    display: none;
}

@media (min-width: 900px) {
    .artwork-thumbs {
        flex-wrap: wrap;
        overflow-x: visible;
    }
}

.artwork-thumb {
    flex-shrink: 0;
    width: 72px;
    height: 90px;
    overflow: hidden;
    background-color: var(--c-grey-light);
    border: 1px solid transparent;
    cursor: pointer;
    transition: border-color var(--transition-fast), opacity var(--transition-fast);
    padding: 0;
}

.artwork-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.artwork-thumb:hover img {
    transform: scale(1.05);
}

.artwork-thumb--active {
    border-color: var(--c-black);
}

.artwork-thumb:hover:not(.artwork-thumb--active) {
    border-color: var(--c-grey-line);
}

.artwork-thumb--video {
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--c-black);
    color: var(--c-white);
}

.artwork-thumb-play {
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0.8;
}

/* ── Drift zoom container ───────────────────────────────── */
.drift-zoom-pane {
    background: var(--c-white);
    border: 1px solid var(--c-grey-line);
    box-shadow: var(--shadow-lg);
    pointer-events: none;
}

/* ── Info panel ─────────────────────────────────────────── */
.artwork-title {
    font-family: var(--font-serif);
    font-size: clamp(var(--text-2xl), 3.5vw, var(--text-4xl));
    font-weight: 300;
    line-height: 1.1;
    letter-spacing: -0.01em;
    margin-bottom: var(--space-4);
}

.artwork-price-status {
    margin-bottom: var(--space-4);
}

/* ── Metadata list ──────────────────────────────────────── */
.artwork-meta {
    margin-bottom: var(--space-8);
}

.artwork-meta__row {
    display: grid;
    grid-template-columns: 100px 1fr;
    gap: var(--space-2);
    padding-block: var(--space-3);
    border-bottom: 1px solid var(--c-grey-line);
}

.artwork-meta__row:first-child {
    border-top: 1px solid var(--c-grey-line);
}

.artwork-meta dt {
    font-family: var(--font-sans);
    font-size: var(--text-xs);
    font-weight: 400;
    letter-spacing: 0.07em;
    text-transform: uppercase;
    color: var(--c-grey-mid);
    padding-top: 1px;
}

.artwork-meta dd {
    font-family: var(--font-sans);
    font-size: var(--text-sm);
    font-weight: 300;
    color: var(--c-black);
}

/* ── Description ────────────────────────────────────────── */
.artwork-description {
    margin-bottom: var(--space-8);
}

.artwork-description p {
    font-size: var(--text-sm);
    font-weight: 300;
    line-height: 1.7;
    color: var(--c-grey-dark);
}

/* ── Frame visualiser ───────────────────────────────────── */
.frame-visualiser {
    margin-bottom: var(--space-8);
}

.frame-visualiser__label {
    font-size: var(--text-xs);
    font-weight: 400;
    letter-spacing: 0.07em;
    text-transform: uppercase;
    color: var(--c-grey-mid);
    margin-bottom: var(--space-3);
    max-width: none;
}

.frame-visualiser__options {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
}

.frame-option {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-4);
    border: 1px solid var(--c-grey-line);
    cursor: pointer;
    transition: border-color var(--transition-fast), background-color var(--transition-fast);
    user-select: none;
}

.frame-option:hover {
    border-color: var(--c-black);
}

.frame-option--active,
.frame-option:has(.frame-radio:checked) {
    border-color: var(--c-black);
    background-color: var(--c-black);
    color: var(--c-white);
}

.frame-radio {
    position: absolute;
    width: 1px;
    height: 1px;
    opacity: 0;
    pointer-events: none;
}

.frame-option span {
    font-size: var(--text-xs);
    font-weight: 400;
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

/* ── CTA area ───────────────────────────────────────────── */
.artwork-ctas {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

/* ── Related works ──────────────────────────────────────── */
.related-section {
    border-top: 1px solid var(--c-grey-line);
}

.related-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-6);
}

@media (min-width: 640px) {
    .related-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.related-item__link {
    display: block;
}

.related-item__image-wrap {
    position: relative;
    aspect-ratio: 3/4;
    overflow: hidden;
    background-color: var(--c-grey-light);
    margin-bottom: var(--space-3);
}

.related-item__image-wrap img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.related-item__link:hover .related-item__image-wrap img {
    transform: scale(1.04);
}

.related-item__info {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    gap: var(--space-2);
}

.related-item__title {
    font-family: var(--font-serif);
    font-size: var(--text-base);
    font-weight: 400;
    color: var(--c-black);
}

.related-item__price {
    font-size: var(--text-xs);
    font-weight: 300;
    color: var(--c-grey-mid);
    white-space: nowrap;
}