.viewerPanel {
    width: 100%;
    flex: 1 1 auto;
    min-height: 0;
}

.viewerPanel__comparePanel {
    width: 100%;
    height: 100%;
}

.comparePanel {
    min-width: 0;
    height: 100%;
    position: relative;
    overflow: hidden;
    background: var(--c-surface-glass);
    border: var(--border-2) solid var(--c-border);
    border-radius: var(--radius-1);
    box-shadow: var(--shadow-2);
    cursor: all-scroll;
    touch-action: none;
    overscroll-behavior: contain;
}

.comparePanel.is-empty {
    cursor: pointer;
}

.comparePanel.is-drop-target {
    outline: var(--border-1) solid var(--c-accent);
    outline-offset: -1px;
}

.comparePanel__renderIssue {
    position: absolute;
    left: var(--pad-3);
    right: var(--pad-3);
    bottom: var(--pad-3);
    z-index: calc(var(--z-overlay) + 1);
    display: grid;
    gap: var(--gap-1);
    padding: var(--pad-2) var(--pad-3);
    border: var(--border-1) solid var(--c-console-level-error);
    background: var(--c-surface-solid);
    color: var(--c-font);
    pointer-events: none;
}

.comparePanel__renderIssueTitle {
    display: block;
    font: var(--font-title);
    color: var(--c-console-level-error);
}

.comparePanel__renderIssueMessage {
    display: block;
    font: var(--font-textblock);
    color: var(--c-font-muted);
}

.comparePanel__canvas {
    position: absolute;
    inset: 0;
    z-index: var(--z-base);
    overflow: hidden;
    background: transparent;
}

.comparePanel__canvas > .viewportCanvas,
.comparePanel__canvas > .viewport3dCanvas {
    position: absolute;
    inset: 0;
    display: block;
    width: 100%;
    height: 100%;
    border-radius: 0;
}

.comparePanel__canvas > .viewport3dCanvas {
    z-index: 1;
    pointer-events: none;
}

.comparePanel__canvas > .viewport3dCanvas[hidden] {
    display: none;
}

.viewportSvgLayer {
    position: absolute;
    inset: 0;
    z-index: 1;
    overflow: hidden;
    pointer-events: none;
}

.viewportMagnificationLayer {
    position: absolute;
    inset: 0;
    z-index: calc(var(--z-base) + 2);
    overflow: hidden;
    pointer-events: none;
}

.viewportMagnificationWindow {
    position: absolute;
    left: 0;
    top: 0;
    box-sizing: border-box;
    border: 1px solid var(--c-section-view);
    border-radius: 0;
    box-shadow: 0 0 0 1px var(--c-panel-bg), var(--shadow-1);
}

.viewportMagnificationWindow.has-alignment-crosshair::before,
.viewportMagnificationWindow.has-alignment-crosshair::after {
    content: "";
    position: absolute;
    left: 50%;
    top: 50%;
    background: var(--c-section-view);
    transform: translate(-50%, -50%);
}

.viewportMagnificationWindow.has-alignment-crosshair::before {
    width: 11px;
    height: 1px;
}

.viewportMagnificationWindow.has-alignment-crosshair::after {
    width: 1px;
    height: 11px;
}

.viewportGuideOverlay {
    --viewport-guide-color: var(--c-section-view);
    --viewport-guide-line-opacity: 1;
    --viewport-guide-shade-opacity: 0;

    position: absolute;
    inset: 0;
    z-index: calc(var(--z-base) + 1);
    width: 100%;
    height: 100%;
    overflow: hidden;
    pointer-events: none;
}

.viewportGuideOverlay[hidden] {
    display: none;
}

.viewportGuideOverlay[data-guide-style="white"] {
    --viewport-guide-color: white;
}

.viewportGuideOverlay[data-guide-style="black"] {
    --viewport-guide-color: black;
}

.viewportGuideOverlay__line {
    fill: none;
    stroke: var(--viewport-guide-color);
    stroke-width: var(--border-1);
    opacity: var(--viewport-guide-line-opacity);
    vector-effect: non-scaling-stroke;
}

.viewportGuideOverlay__shade {
    fill: black;
    opacity: var(--viewport-guide-shade-opacity);
}

.viewportSvgSlot {
    position: absolute;
    overflow: hidden;
    pointer-events: none;
}

.viewportSvgImage {
    position: absolute;
    display: block;
    max-width: none;
    max-height: none;
    transform-origin: 50% 50%;
    user-select: none;
    pointer-events: none;
}

.comparePanel__overlay {
    --panel-action-size: var(--media-action-size);
    --panel-minimized-w: calc(var(--panel-action-size) + (var(--pad-3) * 2));
    --panel-minimized-h: calc(var(--panel-action-size) + (var(--pad-3) * 2));
    position: absolute;
    inset: 0;
    z-index: var(--z-overlay);
    pointer-events: none;
    overflow: hidden;
    border-radius: 0;
    display: grid;
    grid-template-columns: var(--panel-grid-columns, minmax(0, 1fr));
    grid-template-rows: var(--panel-grid-rows, minmax(0, 1fr));
}

.comparePanelItem--addPlaceholder {
    pointer-events: none;
}

.comparePanelItem--inlineMediaList {
    background: color-mix(in srgb, var(--c-surface-glass) 92%, transparent);
}

.comparePanelAddPlaceholder {
    width: 100%;
    height: 100%;
    display: grid;
    place-content: center;
    gap: var(--gap-1);
    padding: calc(var(--pad-2) * 2);
    border: 0;
    background: color-mix(in srgb, var(--c-surface-glass) 88%, transparent);
    color: var(--c-font-muted);
    text-align: center;
    cursor: pointer;
    transition:
        color var(--ease-fast),
        background-color var(--ease-fast);
}

.comparePanelAddPlaceholder:hover {
    color: var(--c-accent);
    background: var(--c-control-hover-bg);
}

.comparePanelAddPlaceholder__title,
.comparePanelAddPlaceholder__text {
    display: block;
    pointer-events: none;
}

.comparePanelAddPlaceholder__title {
    color: var(--c-font);
    font: var(--font-title);
}

.comparePanelInlineMediaList {
    width: 100%;
    height: 100%;
    min-width: 0;
    min-height: 0;
    display: grid;
    grid-template-rows: auto minmax(0, 1fr);
    gap: var(--gap-1);
    padding: var(--pad-2);
    pointer-events: auto;
}

.comparePanelInlineMediaList__header {
    min-width: 0;
    display: grid;
    gap: 2px;
}

.comparePanelInlineMediaList__title,
.comparePanelInlineMediaList__text {
    display: block;
    min-width: 0;
}

.comparePanelInlineMediaList__title {
    color: var(--c-font);
    font: var(--font-title);
}

.comparePanelInlineMediaList__text {
    color: var(--c-font-muted);
    font: var(--font-textblock);
}

.comparePanelInlineMediaList__surface {
    min-height: 0;
    max-height: calc((var(--media-list-h) * 4) + (var(--gap-1) * 3));
    padding-right: 2px;
    overflow: auto;
    pointer-events: auto;
}

.comparePanelItem,
.comparePanelColumn {
    --panel-action-size: var(--media-action-size);
    --panel-action-grid-w: calc(var(--panel-action-size) * 3);
    --panel-info-button-size: var(--panel-action-size);
    min-width: 0;
    min-height: 0;
    height: 100%;
    position: relative;
    pointer-events: none;
    display: grid;
    container-type: inline-size;
    container-name: panel-item;
}

.comparePanel__overlay--layout-columns .comparePanelItem + .comparePanelItem {
    border-left: var(--border-1) solid var(--c-border);
}

.comparePanel__overlay--layout-rows .comparePanelItem + .comparePanelItem {
    border-top: var(--border-1) solid var(--c-border);
}

.comparePanel__overlay--layout-grid .comparePanelItem {
    border: 0;
}

.comparePanel__overlay--layout-swipe-grid .comparePanelItem {
    border: 0;
}

.comparePanelGridSeparator {
    position: absolute;
    z-index: 1;
    background: var(--c-border);
    pointer-events: none;
}

.comparePanelGridSeparator--vertical {
    width: var(--border-1);
    transform: translateX(-50%);
}

.comparePanelGridSeparator--horizontal {
    height: var(--border-1);
    transform: translateY(-50%);
}

.comparePanelItem__content,
.comparePanelColumn__content {
    min-width: 0;
    min-height: 0;
    grid-area: 1 / 1;
}

.comparePanelItem.is-minimized .comparePanelItem__content,
.comparePanelColumn.is-minimized .comparePanelColumn__content {
    display: none;
}

.viewportCanvas {
    width: 100%;
    height: 100%;
    display: block;
    border-radius: var(--radius-2);
}

.viewportCanvas.is-render-inactive {
    opacity: 0;
}

.panelChrome {
    position: absolute;
    inset: 0;
    z-index: var(--z-ui);
    pointer-events: none;
}

.comparePanel:not(.is-empty) .panelDropHint {
    display: none;
}

.panelDropHint {
    position: absolute;
    inset: 0;
    display: grid;
    place-content: center;
    gap: var(--gap-1);
    padding: calc(var(--pad-2) * 2);
    text-align: center;
    color: var(--c-font-muted);
    font: var(--font-textblock);
    pointer-events: auto;
}

.panelDropHint__title,
.panelDropHint__text {
    display: block;
    pointer-events: none;
}

.panelDropHint__text span {
    display: block;
}

.panelDropHint__title {
    color: var(--c-font);
    font: var(--font-title);
}
.panelDropHint {
    align-content: center;
    overflow: auto;
}

.panelDropHint__hero,
.panelDropHint__guide,
.panelDropHint__formats {
    width: min(100%, 760px);
    margin-inline: auto;
}

.panelDropHint__hero {
    display: grid;
    justify-items: center;
    gap: var(--gap-1);
}

.panelDropHint__title {
    max-width: 680px;
    color: var(--c-font);
    font: 500 clamp(18px, 2.2vw, 26px) / 1.25 var(--font-ui);
    letter-spacing: 0.03em;
}

.panelDropHint__description {
    max-width: 560px;
    margin: 0;
    color: var(--c-font-muted);
    font: var(--font-textblock);
}

.panelDropHint__actions {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--gap-1);
    margin-top: var(--pad-1);
}

.panelDropHint__action {
    min-width: 120px;
}

.panelDropHint__action--primary {
    color: var(--c-accent);
    border-color: var(--c-accent);
}

.panelDropHint__dropInstruction {
    margin: 0;
    color: var(--c-font-muted);
    font: var(--font-textblock);
}

.panelDropHint__guide {
    display: grid;
    gap: var(--gap-1);
    padding: var(--pad-2);
    border: var(--border-1) solid var(--c-border);
    border-radius: var(--radius-1);
    background: var(--c-surface-solid);
    text-align: left;
}

.panelDropHint__guideTitle {
    margin: 0;
    color: var(--c-font);
    font: var(--font-title);
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.panelDropHint__steps {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: var(--gap-1);
    margin: 0;
    padding: 0;
    list-style: none;
}

.panelDropHint__step {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr);
    align-items: start;
    gap: var(--pad-1);
    min-width: 0;
}

.panelDropHint__stepNumber {
    color: var(--c-accent);
    font: var(--font-numeric);
}

.panelDropHint__stepContent {
    display: grid;
    gap: 2px;
    min-width: 0;
    color: var(--c-font-muted);
    font: var(--font-textblock);
}

.panelDropHint__stepContent strong {
    color: var(--c-font);
    font: var(--font-button);
}

.panelDropHint__formats {
    display: grid;
    gap: 2px;
    margin: 0;
    color: var(--c-font-muted);
    font: var(--font-textblock);
}

.swipeDivider {
    position: absolute;
    z-index: calc(var(--z-ui) + 1);
    pointer-events: auto;
    touch-action: none;
    --swipe-divider-line-color: var(--c-border);
    background-color: transparent;
    background-repeat: no-repeat;
    background-position: center;
}

.swipeDivider:hover {
    --swipe-divider-line-color: var(--c-accent);
}

.swipeDivider::after {
    content: "";
    position: absolute;
    inset: 50% auto auto 50%;
    width: 12px;
    height: 34px;
    border: var(--border-1) solid var(--c-border);
    border-radius: 999px;
    background: var(--c-surface-interactive);
    transform: translate(-50%, -50%);
    box-shadow: var(--shadow-1);
    z-index: 0;
}

.swipeDivider::before {
    content: "";
    position: absolute;
    inset: 50% auto auto 50%;
    z-index: 1;
    width: 24px;
    height: 24px;
    background: var(--c-icon-muted);
    mask-image: url("../../../public/assets/icons/viewport/swipe.svg");
    mask-repeat: no-repeat;
    mask-position: center;
    mask-size: contain;
    -webkit-mask-image: url("../../../public/assets/icons/viewport/swipe.svg");
    -webkit-mask-repeat: no-repeat;
    -webkit-mask-position: center;
    -webkit-mask-size: contain;
    pointer-events: none;
    transform: translate(-50%, -50%) rotate(90deg);
}

.swipeDivider--columns {
    top: 0;
    bottom: 0;
    left: var(--swipe-divider-x, 50%);
    width: 33px;
    background-image:
        linear-gradient(var(--swipe-divider-line-color), var(--swipe-divider-line-color)),
        linear-gradient(var(--swipe-divider-line-color), var(--swipe-divider-line-color));
    background-position:
        center top,
        center bottom;
    background-size:
        1px calc(50% - ((34px + var(--border-1) + var(--border-1)) * 0.5)),
        1px calc(50% - ((34px + var(--border-1) + var(--border-1)) * 0.5));
    transform: translateX(-50%);
    cursor: ew-resize;
}

.swipeDivider--rows {
    left: 0;
    right: 0;
    top: var(--swipe-divider-y, 50%);
    height: 33px;
    background-image:
        linear-gradient(var(--swipe-divider-line-color), var(--swipe-divider-line-color)),
        linear-gradient(var(--swipe-divider-line-color), var(--swipe-divider-line-color));
    background-position:
        left center,
        right center;
    background-size:
        calc(50% - ((38px + var(--border-1) + var(--border-1)) * 0.5)) 1px,
        calc(50% - ((38px + var(--border-1) + var(--border-1)) * 0.5)) 1px;
    transform: translateY(-50%);
    cursor: ns-resize;
}

.swipeDivider--rows::before {
    transform: translate(-50%, -50%);
}

.swipeDivider--rows::after {
    width: 38px;
    height: 14px;
}

.swipeGridLine {
    position: absolute;
    z-index: calc(var(--z-ui) + 1);
    pointer-events: none;
    background: var(--c-border);
}

.swipeGridLine--columns {
    top: 0;
    bottom: 0;
    left: var(--swipe-divider-x, 50%);
    width: 1px;
    transform: translateX(-50%);
}

.swipeGridLine--rows {
    left: 0;
    right: 0;
    top: var(--swipe-divider-y, 50%);
    height: 1px;
    transform: translateY(-50%);
}

.swipeIntersectionHandle {
    position: absolute;
    left: var(--swipe-divider-x, 50%);
    top: var(--swipe-divider-y, 50%);
    width: 42px;
    height: 42px;
    z-index: calc(var(--z-ui) + 3);
    pointer-events: auto;
    touch-action: none;
    transform: translate(-50%, -50%);
    cursor: move;
    --swipe-divider-line-color: var(--c-font-muted);
}

.swipeIntersectionHandle:hover {
    --swipe-divider-line-color: var(--c-accent);
}

.swipeIntersectionHandle::before,
.swipeIntersectionHandle::after {
    content: "";
    position: absolute;
    left: 50%;
    top: 50%;
    background: var(--swipe-divider-line-color);
    transform: translate(-50%, -50%);
}

.swipeIntersectionHandle::before {
    width: 22px;
    height: 3px;
}

.swipeIntersectionHandle::after {
    width: 3px;
    height: 22px;
}


@media (max-width: 640px) {
    .panelDropHint {
        align-content: center;
        padding: var(--pad-2);
    }

    .panelDropHint__title {
        font-size: 19px;
    }

    .panelDropHint__actions {
        width: 100%;
        flex-direction: column;
    }

    .panelDropHint__action {
        width: 100%;
    }

    .panelDropHint__steps {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}