.lesson-block__pdf[data-pdf-viewer] {
    min-width: 0;
}

.lesson-block__pdf[data-pdf-viewer] .lesson-block__pdf-frame,
.lesson-block__pdf[data-pdf-viewer] .lesson-block__pdf-frame iframe {
    min-height: 0;
    height: 67vh;
    height: 67dvh;
}

.lesson-block__pdf [hidden] {
    display: none !important;
}

.lesson-block__pdf-action:focus-visible {
    outline: 2px solid var(--text-primary);
    outline-offset: 3px;
}

.lesson-block__pdf-status {
    margin: 0.75rem 0 0;
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.lesson-block__pdf[data-pdf-viewer]:fullscreen,
.lesson-pdf-dialog .lesson-block__pdf[data-pdf-viewer] {
    display: flex;
    flex-direction: column;
    box-sizing: border-box;
    width: 100%;
    height: 100%;
    min-height: 0;
    border: 0;
    border-radius: 0;
    background: var(--bg-primary, #081521);
    padding: 1rem;
    overflow: hidden;
}

.lesson-block__pdf:fullscreen .lesson-block__pdf-actions,
.lesson-pdf-dialog .lesson-block__pdf-actions {
    flex: 0 0 auto;
}

.lesson-block__pdf[data-pdf-viewer]:fullscreen .lesson-block__pdf-frame,
.lesson-pdf-dialog .lesson-block__pdf[data-pdf-viewer] .lesson-block__pdf-frame {
    flex: 1 1 auto;
    height: auto;
    min-height: 0;
}

.lesson-block__pdf[data-pdf-viewer]:fullscreen .lesson-block__pdf-frame iframe,
.lesson-pdf-dialog .lesson-block__pdf[data-pdf-viewer] .lesson-block__pdf-frame iframe {
    height: 100%;
    min-height: 0;
}

.lesson-pdf-dialog {
    width: 100vw;
    height: 100vh;
    height: 100dvh;
    max-width: none;
    max-height: none;
    margin: 0;
    padding: 0;
    border: 0;
    overflow: hidden;
}

@media (max-width: 767px) {
    .lesson-block__pdf-action {
        min-height: 2.75rem;
    }
}