.pdf-preview{width:min(1400px,96vw);max-width:96vw;height:94vh;max-height:94vh;padding:0;border:1px solid #8099ae;border-radius:12px;background:#f4f7fa;color:#17324a;overflow:hidden}
.pdf-preview[open]{display:flex;flex-direction:column}
.pdf-preview::backdrop{background:rgba(5,15,24,.75)}
.pdf-preview-toolbar{display:flex;align-items:center;gap:16px;padding:12px 16px;background:#fff;border-bottom:1px solid #8099ae;flex-shrink:0}
.pdf-preview-toolbar h2{margin:0;flex:1;font-size:16px}
.pdf-preview-close{border:1px solid #9cafbf;border-radius:8px;font-size:26px;line-height:1;width:42px;height:42px;background:transparent;color:inherit;cursor:pointer}
.pdf-preview-help{margin:0;padding:8px 16px;font-size:12px;flex-shrink:0}
.pdf-preview-frame{display:block;border:0;flex:1;width:100%;min-height:0;background:#525659}
[data-theme="dark"] .pdf-preview{background:#122331;color:#e8f1f8}
[data-theme="dark"] .pdf-preview-toolbar{background:#193143}
@media(max-width:600px){.pdf-preview{width:100%;max-width:100%;height:100%;max-height:100%;border-radius:0}.pdf-preview-toolbar{padding:8px;gap:8px}.pdf-preview-toolbar h2{font-size:13px}.pdf-preview-toolbar .button{padding:10px}}