/* Shared lightbox — used across public + admin */

.image-viewer {
    position: fixed;
    inset: 0;
    z-index: 1200;
    display: none;
    cursor: default;
    overflow: hidden;
    overscroll-behavior: contain;
    user-select: none;
    touch-action: none;
}

.image-viewer.is-open {
    display: block !important;
}

body.image-viewer-open {
    overflow: hidden;
}

.image-viewer__backdrop {
    position: absolute;
    inset: 0;
    z-index: 0;
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    cursor: default;
}

.dark .image-viewer__backdrop {
    background: rgba(0, 0, 0, 0.92);
}

.image-viewer__stage {
    position: absolute;
    inset: 0;
    z-index: 1;
    overflow: hidden;
    touch-action: none;
    cursor: default;
}

.image-viewer.is-zoomed,
.image-viewer.is-zoomed .image-viewer__stage,
.image-viewer.is-zoomed .image-viewer__image {
    cursor: grab;
}

.image-viewer.is-panning,
.image-viewer.is-panning .image-viewer__stage,
.image-viewer.is-panning .image-viewer__image,
.image-viewer.is-sliding .image-viewer__stage {
    cursor: grabbing;
}

.image-viewer__track {
    display: flex;
    width: 100%;
    height: 100%;
    transform: translateX(0);
    transition: transform 420ms cubic-bezier(0.22, 1, 0.36, 1);
    will-change: transform;
    touch-action: none;
}

.image-viewer__slide {
    flex: 0 0 100%;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    touch-action: none;
}

.image-viewer__layer {
    display: flex;
    align-items: center;
    justify-content: center;
    transform-origin: center center;
    will-change: transform;
    transform: translate3d(0, 0, 0) scale(1);
    touch-action: none;
}

.image-viewer__image {
    display: block;
    max-width: min(calc(100vw - 7rem), 1480px);
    max-height: 90vh;
    width: auto;
    height: auto;
    object-fit: contain;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    user-select: none;
    -webkit-user-drag: none;
    background: var(--gray-100);
    opacity: 1;
    cursor: inherit;
    touch-action: none;
    transition: opacity 180ms ease;
}

.dark .image-viewer__image {
    background: #111;
}

.image-viewer__image.is-loading {
    opacity: 0;
}

.image-viewer__frame {
    position: absolute;
    inset: 0;
    z-index: 2;
    pointer-events: none;
}

.image-viewer__close,
.image-viewer__nav {
    pointer-events: auto;
    appearance: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-full);
    background: var(--brand-white);
    color: var(--brand-black);
    cursor: pointer;
    touch-action: manipulation;
    box-shadow: var(--shadow-sm);
    transition:
        background var(--transition-base),
        color var(--transition-base),
        border-color var(--transition-base),
        transform var(--transition-base),
        opacity var(--transition-base);
}

.dark .image-viewer__close,
.dark .image-viewer__nav {
    background: var(--brand-black);
    color: var(--brand-white);
    border-color: #333;
}

.image-viewer__close:hover,
.image-viewer__nav:hover:not(:disabled):not(.is-disabled) {
    background: var(--color-accent);
    border-color: var(--color-accent);
    color: var(--brand-white);
}

.image-viewer__nav:disabled,
.image-viewer__nav.is-disabled {
    opacity: 0.28;
    cursor: default;
}

.image-viewer:focus,
.image-viewer:focus-visible {
    outline: none;
}

.image-viewer__close:focus,
.image-viewer__nav:focus {
    outline: none;
}

.image-viewer__close:focus-visible,
.image-viewer__nav:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 3px;
}

.image-viewer__close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    width: 2.75rem;
    height: 2.75rem;
}

.image-viewer__close svg {
    width: 1.35rem;
    height: 1.35rem;
    transition: transform var(--transition-base);
}

.image-viewer__close:hover svg {
    transform: rotate(90deg);
}

.image-viewer__nav {
    position: absolute;
    top: 50%;
    width: 2.75rem;
    height: 2.75rem;
    transform: translateY(-50%);
}

.image-viewer__nav--prev {
    left: 1.25rem;
}

.image-viewer__nav--next {
    right: 1.25rem;
}

.image-viewer__nav svg {
    width: 1.35rem;
    height: 1.35rem;
}

.image-viewer__nav[hidden] {
    display: none;
}

.image-viewer__footer {
    position: absolute;
    right: 5.5rem;
    bottom: 1.1rem;
    left: 5.5rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.65rem;
    pointer-events: none;
}

.image-viewer__counter {
    margin: 0;
    padding: 0.4rem 0.9rem;
    min-width: 4.5rem;
    text-align: center;
    font-family: var(--font-mono);
    font-size: 0.6875rem;
    line-height: 1;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--brand-black);
    background: var(--brand-white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-full);
    box-shadow: var(--shadow-sm);
}

.dark .image-viewer__counter {
    color: var(--brand-white);
    background: var(--brand-black);
    border-color: #333;
}

.image-viewer__counter[hidden] {
    display: none;
}

@media (max-width: 767px) {
    .image-viewer__close {
        top: 0.75rem;
        right: 0.75rem;
        width: 2.35rem;
        height: 2.35rem;
    }

    .image-viewer__nav {
        width: 2.35rem;
        height: 2.35rem;
        box-shadow: 0 6px 16px rgba(0, 0, 0, 0.22);
    }

    .image-viewer__nav--prev {
        left: 0.55rem;
    }

    .image-viewer__nav--next {
        right: 0.55rem;
    }

    .image-viewer__image {
        max-width: 100vw;
        max-height: 100vh;
        max-height: 100dvh;
        border-radius: 0;
        box-shadow: none;
    }

    .image-viewer__footer {
        right: 1rem;
        bottom: 0.85rem;
        left: 1rem;
    }
}

@media (prefers-reduced-motion: reduce) {
    .image-viewer__track,
    .image-viewer__image,
    .image-viewer__close,
    .image-viewer__nav,
    .image-viewer__close svg {
        transition: none;
    }
}