/* ═══════════════════════════════════════════════════════════════════════
   Gallery — 3x3 Paginated Grid + Two-Column Viewer
   Requires global.css
   ═══════════════════════════════════════════════════════════════════════ */

/* ─── Gallery wrapper: centers the 3x3 grid in the viewport ─── */
.gallery-page {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: calc(100vh - 60px);
    padding: 80px 24px 40px;
}

/* ─── 3x3 Grid ─── */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
    width: 100%;
    max-width: min(90vh, 900px); /* Square-ish container so cards are large */
    aspect-ratio: 1;
    transition: opacity 0.25s ease;
}

.gallery-empty {
    grid-column: 1 / -1;
    text-align: center;
    padding: 80px 24px;
    color: var(--text-muted);
    font-size: 15px;
}

/* ─── Square Card ─── */
.card {
    position: relative;
    aspect-ratio: 1;
    border-radius: var(--radius-lg);
    overflow: hidden;
    cursor: pointer;
    border: 1px solid var(--border-color);
    background: #000;
    transition: transform var(--transition-fast), border-color var(--transition-fast), box-shadow var(--transition-fast);
    animation: cardReveal 0.35s cubic-bezier(0.2, 0.8, 0.2, 1) both;
}

.card:hover {
    transform: translateY(-2px);
    border-color: var(--border-hover);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
    z-index: 1;
}

@keyframes cardReveal {
    from { opacity: 0; transform: scale(0.95); }
    to { opacity: 1; transform: scale(1); }
}

.card-preview {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    border: none;
    pointer-events: none;
    background: #000;
}

.card-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.85) 0%, rgba(0, 0, 0, 0.1) 50%, transparent 100%);
    opacity: 0;
    transition: opacity var(--transition-normal);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 16px;
}

.card:hover .card-overlay {
    opacity: 1;
}

.card-title {
    font-family: 'Outfit', sans-serif;
    font-size: 16px;
    font-weight: 600;
    color: #fff;
    margin-bottom: 3px;
}

.card-category {
    font-size: 11px;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.6);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.card-featured {
    position: absolute;
    top: 10px;
    right: 10px;
    font-size: 9px;
    font-weight: 700;
    padding: 3px 8px;
    border-radius: var(--radius-pill);
    background: var(--accent-amber);
    color: #000;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    z-index: 2;
    opacity: 0;
    transition: opacity var(--transition-fast);
}

.card:hover .card-featured {
    opacity: 1;
}

/* ─── Pagination ─── */
.gallery-pagination {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-top: 24px;
}

.page-btn {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: 1px solid var(--border-color);
    background: transparent;
    color: var(--text-secondary);
    font-family: inherit;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

.page-btn:hover {
    border-color: var(--border-hover);
    color: var(--text-primary);
    background: var(--bg-surface-elevated);
}

.page-btn.active {
    background: var(--text-primary);
    color: var(--bg-base);
    border-color: var(--text-primary);
}

.page-btn:disabled {
    opacity: 0.25;
    pointer-events: none;
}

.page-btn-arrow {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: 1px solid var(--border-color);
    background: transparent;
    color: var(--text-secondary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

.page-btn-arrow:hover {
    border-color: var(--border-hover);
    color: var(--text-primary);
    background: var(--bg-surface-elevated);
}

.page-btn-arrow:disabled {
    opacity: 0.25;
    pointer-events: none;
}

/* ─── Two-Column Viewer Overlay ─── */
.viewer-overlay {
    position: fixed;
    inset: 0;
    z-index: 2000;
    background: rgba(0, 0, 0, 0.95);
    display: none;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.viewer-overlay.open {
    display: flex;
    opacity: 1;
}

.viewer-canvas-panel {
    flex: 1;
    position: relative;
    background: #000;
    min-width: 0;
}

.viewer-canvas-panel iframe {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    border: none;
    background: #000;
}

.viewer-meta-panel {
    width: 380px;
    flex-shrink: 0;
    background: var(--bg-surface);
    border-left: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    position: relative;
    overflow-y: auto;
}

.viewer-meta-content {
    flex: 1;
    padding: 32px;
    padding-top: 56px;
}

.viewer-close-btn {
    position: absolute;
    top: 16px;
    right: 16px;
    z-index: 2;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: 1px solid var(--border-color);
    background: transparent;
    color: var(--text-secondary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

.viewer-close-btn:hover {
    background: var(--bg-surface-elevated);
    color: var(--text-primary);
    border-color: var(--border-hover);
}

.viewer-title {
    font-family: 'Outfit', sans-serif;
    font-size: 28px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 12px;
    line-height: 1.2;
}

.viewer-category {
    display: inline-block;
    font-size: 11px;
    font-weight: 600;
    padding: 4px 12px;
    border-radius: var(--radius-pill);
    background: rgba(127, 183, 190, 0.12);
    color: var(--accent-cyan);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    margin-bottom: 20px;
}

.viewer-description {
    font-size: 14px;
    line-height: 1.7;
    color: var(--text-secondary);
    margin-bottom: 28px;
}

.viewer-interaction {
    margin-bottom: 28px;
    padding: 16px;
    background: var(--bg-surface-elevated);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
}

.viewer-interaction h4 {
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-muted);
    margin-bottom: 8px;
}

.viewer-interaction p {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.5;
}

.viewer-artists {
    margin-bottom: 16px;
}

.viewer-artists h4 {
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-muted);
    margin-bottom: 10px;
}

.viewer-artists-list {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.viewer-artist-link {
    font-size: 12px;
    font-weight: 500;
    padding: 4px 12px;
    border-radius: var(--radius-pill);
    background: var(--bg-surface-elevated);
    color: var(--accent-cyan);
    border: 1px solid var(--border-color);
    text-decoration: none;
    transition: all var(--transition-fast);
}

.viewer-artist-link:hover {
    background: var(--accent-cyan);
    color: var(--bg-base);
    border-color: var(--accent-cyan);
}

.viewer-nav {
    display: flex;
    justify-content: space-between;
    padding: 16px 32px;
    border-top: 1px solid var(--border-color);
}

.viewer-nav-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-pill);
    background: transparent;
    color: var(--text-secondary);
    font-family: inherit;
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.viewer-nav-btn:hover {
    color: var(--text-primary);
    border-color: var(--border-hover);
    background: var(--bg-surface-elevated);
}

.viewer-nav-btn:disabled {
    opacity: 0.3;
    pointer-events: none;
}

/* ─── Responsive ─── */
@media (max-width: 768px) {
    .gallery-page {
        padding: 70px 16px 24px;
        justify-content: flex-start;
    }

    .gallery-grid {
        gap: 6px;
        max-width: 100%;
    }

    .card-overlay {
        padding: 10px;
    }

    .card-title {
        font-size: 12px;
    }

    .card-category {
        font-size: 9px;
    }

    .gallery-pagination {
        margin-top: 16px;
    }

    /* Viewer: single column stacked */
    .viewer-overlay.open {
        flex-direction: column;
    }

    .viewer-canvas-panel {
        flex: none;
        height: 55vh;
    }

    .viewer-meta-panel {
        width: 100%;
        border-left: none;
        border-top: 1px solid var(--border-color);
        flex: 1;
        overflow-y: auto;
    }

    .viewer-meta-content {
        padding: 20px;
        padding-top: 48px;
    }

    .viewer-title {
        font-size: 22px;
    }

    .viewer-nav {
        padding: 12px 20px;
    }
}