@layer page {

    .viewer {
        width: 100%;
        display: flex;
        justify-content: center;
        padding: 40px 20px 60px;
    }

    .viewer-panel {
        width: 100%;
        max-width: 1400px;
        overflow: hidden;
        display: flex;
        flex-direction: column;
    }

    .viewer-head {
        display: flex;
        align-items: center;
        justify-content: flex-start;
        gap: 16px;
        padding: 18px 20px;
    }

    .viewer-title {
        margin: 0;
        display: flex;
        align-items: baseline;
        gap: 8px;
        flex-wrap: wrap;
    }

    .viewer-actions {
        display: flex;
        align-items: center;
        gap: 12px;
    }

    .viewer-foot {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 16px;
        padding: 12px 20px 18px;
    }

    .viewer-error {
        padding: 0;
        flex: 1;
    }

    /* La scène : les vignettes, puis le cadre du document, qui défile seul. */
    .viewer-stage {
        width: 100%;
        height: 80vh;
        min-height: 400px;
        position: relative;
        display: flex;
        flex-direction: row;
    }

    .viewer-sidebar {
        display: none;
        width: 160px;
        min-width: 160px;
        flex-direction: column;
        overflow: hidden;
    }

    .viewer-sidebar[data-viewer-visible] {
        display: flex;
    }

    .viewer-sidebar-head {
        padding: 12px 16px;
    }

    .viewer-thumbnails {
        flex: 1;
        overflow-y: auto;
        overflow-x: hidden;
        padding: 12px 10px;
        display: flex;
        flex-direction: column;
        gap: 12px;
    }

    .viewer-thumbnail {
        overflow: hidden;
        position: relative;
        display: block;
        width: 100%;
        padding: 0;
    }

    .viewer-thumbnail:hover {
        transform: scale(1.02);
    }

    .viewer-thumbnail canvas {
        width: 100%;
        height: auto;
        display: block;
    }

    .viewer-thumbnail-number {
        position: absolute;
        bottom: 4px;
        right: 4px;
        padding: 2px 6px;
    }

    .viewer-document {
        flex: 1;
        position: relative;
        overflow: hidden;
    }

    /* Le cadre prend la scène ; réduit par le module sur une scène plus étroite qu'une feuille. */
    .viewer-frame {
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        transform-origin: 0 0;
    }

    /* La pagination, montrée par le module qui la tient. */
    .viewer-pager {
        display: none;
        align-items: center;
        justify-content: center;
        gap: 20px;
        padding: 12px 20px;
    }

    .viewer-pager[data-viewer-visible] {
        display: flex;
    }

    .viewer-pager-arrow {
        display: flex;
        align-items: center;
        justify-content: center;
        width: 44px;
        height: 44px;
    }

    .viewer-pager-arrow svg {
        width: 20px;
        height: 20px;
    }

    .viewer-pager-numbers {
        min-width: 80px;
    }

    .viewer-panel ::-webkit-scrollbar {
        width: 15px;
    }

    .viewer-panel ::-webkit-scrollbar-track {
        margin: 1px;
    }

    /* ===========================
       RESPONSIVE MOBILE
       =========================== */
    @media (max-width: 800px) {
        .viewer {
            padding: 20px 10px 40px;

        }
        .viewer-head {
            padding: 14px 16px;

        }
        .viewer-title {
            gap: 6px;

        }
        .viewer-stage {
            height: 70vh;
            min-height: 320px;

        }
        /* Pas de vignettes sur un petit écran */
        .viewer-sidebar {
            display: none !important;

        }
        .viewer-foot {
            flex-direction: column;
            gap: 12px;
            padding: 12px 16px;

        }
    }

    .viewer-panel {
        background: var(--local-color-decor-viewer-panel-surface);
        border: 1px solid var(--local-color-decor-viewer-panel-line);
        border-radius: var(--local-radius-viewer-panel);
        box-shadow: var(--local-shadow-viewer-panel);
    }

    .viewer-head {
        background: var(--local-color-decor-viewer-head-surface);
    }

    .viewer-foot {
        background: var(--local-color-decor-viewer-head-surface);
        border-top: 1px solid var(--local-color-decor-viewer-foot-line);
    }

    .viewer-stage {
        background: var(--local-color-decor-viewer-stage-surface);
    }

    .viewer-sidebar {
        background: var(--local-color-decor-viewer-sidebar-surface);
        border-right: 1px solid var(--local-color-decor-viewer-sidebar-line);
    }

    .viewer-sidebar-head {
        border-bottom: 1px solid var(--local-color-decor-viewer-sidebar-line);
        background: var(--local-color-decor-viewer-sidebar-head-surface);
    }

    .viewer-thumbnail {
        border: 2px solid transparent;
        border-radius: var(--local-radius-viewer-thumbnail);
        background: var(--local-color-decor-viewer-thumbnail-surface);
    }

    .viewer-thumbnail:hover {
        border-color: var(--local-color-decor-viewer-thumbnail-hover-line);
    }

    .viewer-thumbnail[aria-current="true"] {
        border-color: var(--local-color-decor-viewer-thumbnail-line);
        box-shadow: var(--local-shadow-viewer-thumbnail);
    }

    .viewer-thumbnail-number {
        background: var(--local-color-decor-viewer-thumbnail-number-surface);
        border-radius: var(--local-radius-viewer-thumbnail-number);
    }

    .viewer-pager {
        background: var(--local-color-decor-viewer-pager-surface);
        border-top: 1px solid var(--local-color-decor-viewer-sidebar-line);
    }

    .viewer-pager-arrow {
        background: var(--local-color-decor-viewer-pager-arrow-surface);
        border: 1px solid var(--local-color-decor-viewer-pager-arrow-line);
        border-radius: var(--local-radius-viewer-pager-arrow);
    }

    .viewer-pager-arrow:hover:not(:disabled) {
        background: var(--local-color-decor-viewer-pager-arrow-hover-surface);
        border-color: var(--local-color-decor-viewer-pager-arrow-hover-line);
    }

    .viewer-pager-arrow:disabled {
        opacity: 0.4;
    }

    .viewer-panel ::-webkit-scrollbar-track {
        background: transparent;
    }

    .viewer-panel ::-webkit-scrollbar-thumb {
        background-color: var(--local-color-decor-viewer-pager-surface);
        border-radius: var(--local-radius-viewer-panel);
        border: 2px solid transparent;
        background-clip: padding-box;
    }

    @media (max-width: 800px) {
        .viewer-panel {
            border-radius: var(--local-radius-viewer-pager-arrow);

        }
    }

    .viewer-head {
        color: var(--local-color-decor-viewer-head-ink);
    }

    .viewer-title {
        font-size: var(--canon-size-subtitle);
        font-weight: 600;
        color: inherit;
    }

    .viewer-kind {
        font-family: var(--canon-font-figura);
        font-size: var(--canon-size-body);
        text-transform: uppercase;
        color: var(--local-color-decor-viewer-kind-ink);
    }

    .viewer-divider {
        font-weight: 600;
        color: var(--local-color-decor-viewer-head-ink);
    }

    .viewer-name {
        font-size: var(--canon-size-body);
        color: var(--local-color-decor-viewer-kind-ink);
        text-shadow: var(--local-shadow-viewer-name);
    }

    .viewer-error {
        color: var(--local-color-decor-viewer-error-ink);
        text-shadow: var(--local-shadow-viewer-error);
        font-size: var(--canon-size-body);
    }

    .viewer-sidebar-head {
        font-size: var(--canon-size-note);
        font-weight: 600;
        color: var(--local-color-decor-viewer-sidebar-head-ink);
        text-transform: uppercase;
        letter-spacing: var(--canon-tracking-capitals);
    }

    .viewer-thumbnail-number {
        color: var(--local-color-decor-viewer-thumbnail-number-ink);
        font-size: var(--canon-size-fine);
    }

    .viewer-pager-arrow {
        color: var(--local-color-decor-viewer-thumbnail-number-ink);
    }

    .viewer-pager-numbers {
        font-size: var(--canon-size-body);
        color: var(--local-color-decor-viewer-kind-ink);
        font-weight: 500;
        text-align: center;
    }

    @media (max-width: 800px) {
        .viewer-title {
            font-size: var(--canon-size-body);

        }
        .viewer-kind {
            font-size: var(--canon-size-note);

        }
        .viewer-name {
            font-size: var(--canon-size-body);

        }
        .viewer-error {
            text-align: center;

        }
    }

    .viewer-thumbnail {
        cursor: pointer;
        transition: all 0.2s ease;
    }

    .viewer-pager-arrow {
        cursor: pointer;
        transition: all 0.2s ease;
    }

    .viewer-pager-arrow:disabled {
        cursor: not-allowed;
    }
}