.svarkahub-djvu-viewer {
    --svarkahub-djvu-blue: #246ea8;
    --svarkahub-djvu-blue-dark: #18547f;
    --svarkahub-djvu-border: #c6c9cd;
    --svarkahub-djvu-toolbar: #f1f2f3;
    --svarkahub-djvu-stage: #d5d6d8;
    --svarkahub-djvu-height: 760px;
    box-sizing: border-box;
    width: 100%;
    margin: 1.5rem 0;
    color: #222;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    font-size: 16px;
    line-height: 1.4;
    container-type: inline-size;
}

.svarkahub-djvu-viewer *,
.svarkahub-djvu-viewer *::before,
.svarkahub-djvu-viewer *::after {
    box-sizing: border-box;
}

.svarkahub-djvu-viewer__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-bottom: 0.75rem;
}

.svarkahub-djvu-viewer__button,
.svarkahub-djvu-viewer__icon-button {
    border: 1px solid var(--svarkahub-djvu-border);
    border-radius: 2px;
    background: #fff;
    color: #222;
    cursor: pointer;
    font: inherit;
    min-height: 2.5rem;
    transition: background-color 120ms ease, border-color 120ms ease, color 120ms ease;
}

.svarkahub-djvu-viewer__button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.5rem 0.9rem;
    text-decoration: none;
    white-space: nowrap;
}

.svarkahub-djvu-viewer__button--primary {
    border-color: var(--svarkahub-djvu-blue);
    background: var(--svarkahub-djvu-blue);
    color: #fff;
}

.svarkahub-djvu-viewer__button:hover,
.svarkahub-djvu-viewer__button:focus-visible,
.svarkahub-djvu-viewer__icon-button:hover,
.svarkahub-djvu-viewer__icon-button:focus-visible {
    border-color: var(--svarkahub-djvu-blue-dark);
    background: #e8f1f8;
    color: #123b5a;
}

.svarkahub-djvu-viewer__button--primary:hover,
.svarkahub-djvu-viewer__button--primary:focus-visible {
    background: var(--svarkahub-djvu-blue-dark);
    color: #fff;
}

.svarkahub-djvu-viewer button:disabled,
.svarkahub-djvu-viewer input:disabled {
    cursor: not-allowed;
    opacity: 0.5;
}

.svarkahub-djvu-viewer__toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 0.65rem;
    min-height: 3.2rem;
    padding: 0.45rem 0.6rem;
    border: 1px solid var(--svarkahub-djvu-border);
    background: var(--svarkahub-djvu-toolbar);
}

.svarkahub-djvu-viewer__page-controls,
.svarkahub-djvu-viewer__zoom {
    display: flex;
    align-items: center;
    gap: 0.35rem;
    min-width: 0;
}

.svarkahub-djvu-viewer__page-input,
.svarkahub-djvu-viewer__fit {
    min-height: 2.25rem;
    border: 1px solid #b9bdc2;
    border-radius: 2px;
    background: #fff;
    color: #222;
    font: inherit;
}

.svarkahub-djvu-viewer__page-input {
    width: 3.5rem;
    padding: 0.25rem 0.35rem;
    text-align: center;
}

.svarkahub-djvu-viewer__page-controls output {
    min-width: 2.5rem;
    text-align: center;
}

.svarkahub-djvu-viewer__icon-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2.25rem;
    min-width: 2.25rem;
    padding: 0;
    font-size: 1.15rem;
    line-height: 1;
}

.svarkahub-djvu-viewer__zoom {
    justify-content: flex-end;
}

.svarkahub-djvu-viewer__zoom-value {
    min-width: 3.5rem;
    text-align: center;
    font-variant-numeric: tabular-nums;
}

.svarkahub-djvu-viewer__fit {
    min-width: 9.5rem;
    padding: 0.25rem 0.45rem;
}

.svarkahub-djvu-viewer__stage {
    position: relative;
    display: block;
    min-height: 360px;
    height: var(--svarkahub-djvu-height);
    overflow-x: auto;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    padding: 1.5rem;
    border: 1px solid #aeb1b5;
    border-top: 0;
    background: var(--svarkahub-djvu-stage);
    overscroll-behavior: contain;
    touch-action: pan-x pan-y;
}

.svarkahub-djvu-viewer__stage.is-grabbable {
    cursor: grab;
}

.svarkahub-djvu-viewer__stage.is-dragging {
    cursor: grabbing;
    user-select: none;
}

.svarkahub-djvu-viewer__loading {
    position: absolute;
    top: 1rem;
    left: 50%;
    z-index: 2;
    transform: translateX(-50%);
    padding: 0.45rem 0.8rem;
    border: 1px solid #b9bdc2;
    border-radius: 2px;
    background: rgba(255, 255, 255, 0.95);
    color: #333;
    white-space: nowrap;
}

.svarkahub-djvu-viewer__page {
    position: relative;
    max-width: none;
    min-height: 260px;
    margin: 0 auto 1rem;
    background: #fff;
    box-shadow: 0 1px 5px rgba(0, 0, 0, 0.2);
    opacity: 1;
    transform: translateY(0);
    transition: opacity 180ms ease, transform 180ms ease;
}

.svarkahub-djvu-viewer__page.is-placeholder {
    background: rgba(255, 255, 255, 0.55);
}

.svarkahub-djvu-viewer.is-page-changing .svarkahub-djvu-viewer__page {
    opacity: 0.35;
    transform: translateY(8px);
}

.svarkahub-djvu-viewer__image {
    display: block;
    width: 100%;
    height: auto;
    max-width: none;
    user-select: none;
}

.svarkahub-djvu-viewer__status {
    min-height: 1.5rem;
    margin: 0.4rem 0 0;
    color: #5b6065;
    font-size: 0.9rem;
}

.svarkahub-djvu-viewer__status.is-error,
.svarkahub-djvu-viewer__shortcode-error {
    color: #a32929;
}

.svarkahub-djvu-viewer__shortcode-error {
    padding: 0.8rem;
    border-left: 3px solid #a32929;
    background: #fff4f4;
}

.svarkahub-djvu-viewer__visually-hidden {
    position: absolute !important;
    width: 1px !important;
    height: 1px !important;
    padding: 0 !important;
    overflow: hidden !important;
    clip: rect(0, 0, 0, 0) !important;
    white-space: nowrap !important;
    border: 0 !important;
}

.svarkahub-djvu-viewer:fullscreen,
.svarkahub-djvu-viewer.is-fullscreen {
    display: flex;
    flex-direction: column;
    height: 100vh;
    margin: 0;
    padding: 1rem;
    background: #fff;
}

.svarkahub-djvu-viewer.is-fullscreen:not(:fullscreen) {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    width: 100vw;
    z-index: 999999;
}

.svarkahub-djvu-viewer:fullscreen .svarkahub-djvu-viewer__stage,
.svarkahub-djvu-viewer.is-fullscreen .svarkahub-djvu-viewer__stage {
    flex: 1 1 auto;
    height: auto;
}

@container (max-width: 520px) {
    .svarkahub-djvu-viewer__toolbar {
        flex-direction: column;
        align-items: stretch;
    }

    .svarkahub-djvu-viewer__page-controls,
    .svarkahub-djvu-viewer__zoom {
        justify-content: center;
    }
}

@media (max-width: 520px) {
    .svarkahub-djvu-viewer__actions {
        display: grid;
        grid-template-columns: 1fr;
    }

    .svarkahub-djvu-viewer__button {
        width: 100%;
    }

    .svarkahub-djvu-viewer__toolbar {
        flex-direction: column;
        align-items: stretch;
    }

    .svarkahub-djvu-viewer__page-controls,
    .svarkahub-djvu-viewer__zoom {
        justify-content: center;
    }

    .svarkahub-djvu-viewer__stage {
        height: min(70vh, var(--svarkahub-djvu-height));
        padding: 0.5rem;
    }
}