/* School Media Embed KB — просмотр PDF */

.sme-pdf {
    --sme-pdf-h: min(80vh, 800px);
    margin: 0 0 1.5em;
    max-width: 100%;
    border: 1px solid #d0d5da;
    border-radius: 6px;
    background: #fff;
    overflow: hidden;
    box-sizing: border-box;
}

.sme-pdf-toolbar {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 6px;
    padding: 6px 8px;
    background: #f3f4f6;
    border-bottom: 1px solid #d0d5da;
    font-size: 14px;
    line-height: 1;
    color: #1f2328;
}

.sme-pdf .sme-pdf-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 36px;
    height: 36px;
    margin: 0;
    padding: 0 10px;
    border: 1px solid #c4c9ce;
    border-radius: 4px;
    background: #fff;
    color: #1f2328;
    font: inherit;
    font-size: 15px;
    text-decoration: none;
    cursor: pointer;
    box-sizing: border-box;
}
.sme-pdf .sme-pdf-btn:hover:not(:disabled) { background: #e8f0fe; border-color: #8ab4f8; }
.sme-pdf .sme-pdf-btn:focus-visible { outline: 2px solid #1a73e8; outline-offset: 1px; }
.sme-pdf .sme-pdf-btn:disabled { opacity: 0.45; cursor: default; }

.sme-pdf-pageinfo,
.sme-pdf-zoomlabel { min-width: 56px; text-align: center; font-variant-numeric: tabular-nums; }
.sme-pdf-sep { width: 1px; height: 22px; background: #c4c9ce; margin: 0 4px; }
.sme-pdf-spacer { flex: 1 1 auto; }

.sme-pdf-stage {
    position: relative;
    height: var(--sme-pdf-h);
    overflow: auto;
    background: #e5e7eb;
    -webkit-overflow-scrolling: touch;
    outline: none;
}

.sme-pdf-pages { padding: 4px 0; }

.sme-pdf-page {
    position: relative;
    margin: 12px auto;
    background: #fff;
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.25);
}
.sme-pdf-page canvas { display: block; width: 100%; height: 100%; }

.sme-pdf-status {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 16px;
    text-align: center;
    color: #3c4043;
    background: rgba(229, 231, 235, 0.9);
    pointer-events: none;
}
.sme-pdf-status a { pointer-events: auto; margin-left: 6px; }
.sme-pdf-status[hidden] { display: none; }

/* Во весь экран */
.sme-pdf.sme-pdf-full {
    display: flex;
    flex-direction: column;
    background: #fff;
}
.sme-pdf.sme-pdf-full {
    position: fixed;
    inset: 0;
    z-index: 99998;
    max-width: none !important;
    margin: 0;
    border-radius: 0;
}
.sme-pdf.sme-pdf-full .sme-pdf-stage { flex: 1 1 auto; height: auto; }
html.sme-pdf-open { overflow: hidden; }

@media (max-width: 600px) {
    .sme-pdf { --sme-pdf-h: min(75vh, 700px); }
    .sme-pdf-sep { display: none; }
    .sme-pdf-toolbar { gap: 4px; }
    .sme-pdf .sme-pdf-btn { min-width: 40px; height: 40px; }
    .sme-pdf-pageinfo, .sme-pdf-zoomlabel { min-width: 48px; }
    .sme-pdf-fit { display: none !important; }
}