.gh-content .aperium-pdf {
    overflow: hidden;
    border: 1px solid #d8d8d8;
    border-radius: 16px;
    background: #fff;
    color: #141414;
    box-shadow: 0 12px 36px rgb(0 0 0 / 5%);
}
.aperium-pdf .aperium-pdf-preview {
    position: relative;
    display: block;
    width: 100%;
    height: 440px;
    padding: 28px 44px 0;
    overflow: hidden;
    border: 0;
    border-bottom: 1px solid #e4e4e4;
    border-radius: 0;
    background: #f0efec;
    cursor: pointer;
    text-align: center;
}
.aperium-pdf-preview::after {
    content: "";
    position: absolute;
    inset: 55% 0 0;
    background: linear-gradient(transparent, rgb(240 239 236 / 96%));
    pointer-events: none;
}
.aperium-pdf .aperium-pdf-image {
    display: block;
    width: 100%;
    height: auto;
    margin: 0 auto;
    border: 1px solid #ddd;
    box-shadow: 0 4px 20px rgb(0 0 0 / 10%);
}
.aperium-pdf .aperium-pdf-read {
    position: absolute;
    z-index: 1;
    left: 50%;
    bottom: 30px;
    transform: translateX(-50%);
    padding: 14px 24px;
    border-radius: 100px;
    background: #141414;
    color: #fff;
    font: 600 16px/1.4 system-ui, sans-serif;
    white-space: nowrap;
}
.aperium-pdf-preview:hover .aperium-pdf-read { background: #333; }
.aperium-pdf :focus-visible, .aperium-pdf-dialog :focus-visible {
    outline: 3px solid #2563eb;
    outline-offset: -4px;
}
.aperium-pdf .aperium-pdf-details { padding: 24px; }
.aperium-pdf .aperium-pdf-title { margin: 0; font: 600 20px/1.4 system-ui, sans-serif; }
.aperium-pdf .aperium-pdf-meta { margin: 8px 0 0; color: #666; font: 14px/1.5 system-ui, sans-serif; }
.aperium-pdf .aperium-pdf-caption { margin: 12px 0 0; font-size: 16px; }
.aperium-pdf .aperium-pdf-links { display: flex; flex-wrap: wrap; gap: 8px 24px; margin-top: 18px; }
.aperium-pdf .aperium-pdf-links a { padding: 8px 0; font: 500 14px/1.5 system-ui, sans-serif; text-decoration: underline; }
.aperium-pdf .aperium-pdf-no-image { height: 220px; }
.aperium-pdf-placeholder { font: 600 40px/1 system-ui, sans-serif; color: #666; }
.aperium-pdf-dialog {
    position: fixed;
    inset: 0;
    width: 100%;
    max-width: none;
    height: 100%;
    height: 100dvh;
    max-height: none;
    margin: 0;
    padding: 0;
    border: 0;
    background: #f0f0f0;
    color: #141414;
    overscroll-behavior: contain;
    font: 14px/1.4 system-ui, sans-serif;
}
.aperium-pdf-dialog[open] { display: flex; flex-direction: column; }
.aperium-pdf-toolbar {
    display: flex;
    align-items: center;
    flex-shrink: 0;
    gap: 16px;
    padding: max(8px, env(safe-area-inset-top)) max(16px, env(safe-area-inset-right)) 8px max(16px, env(safe-area-inset-left));
    border-bottom: 1px solid #d8d8d8;
    background: #fff;
}
.aperium-pdf-close { flex-shrink: 0; padding: 12px; border: 1px solid #ddd; border-radius: 8px; background: #fff; color: #141414; font: inherit; cursor: pointer; }
.aperium-pdf-document-title { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.aperium-pdf-original { padding: 12px 0; color: #141414; text-decoration: underline; white-space: nowrap; }
.aperium-pdf-status { margin: 0; padding: 10px 16px; background: #fff; }
.aperium-pdf-frame { display: block; width: 100%; flex: 1; min-height: 0; border: 0; }
@media (max-width: 600px) {
    .aperium-pdf .aperium-pdf-preview { height: 330px; padding: 20px 20px 0; }
    .aperium-pdf .aperium-pdf-details { padding: 20px; }
    .aperium-pdf .aperium-pdf-title { font-size: 18px; }
    .aperium-pdf-document-title { display: none; }
    .aperium-pdf-toolbar { justify-content: space-between; gap: 8px; }
    .aperium-pdf .aperium-pdf-no-image { height: 220px; }
}