main#main:has(>.pdf-viewer-screen){background:var(--canvas)}.pdf-viewer-screen{min-height:calc(100vh - var(--header-h));background:var(--canvas);padding-bottom:96px}.reader-bar{top:var(--header-h);z-index:20;background:var(--bg);border-bottom:1px solid var(--border);position:sticky}.reader-bar-in,.reader-tools{max-width:980px;padding-inline:var(--gutter);align-items:center;gap:10px;margin:0 auto;display:flex}.reader-bar-in{min-height:52px;padding-block:6px}.reader-titles{flex:1;min-width:0}.reader-title{font:600 var(--fs-lg) / 1.3 var(--ui);white-space:nowrap;text-overflow:ellipsis;overflow:hidden}.reader-sub{font-size:var(--fs-sm);color:var(--subtle);white-space:nowrap;text-overflow:ellipsis;overflow:hidden}.reader-count{font-size:var(--fs-md);color:var(--muted);font-variant-numeric:tabular-nums;white-space:nowrap}.reader-count b{color:var(--text);font-weight:600}.reader-tools{flex-wrap:wrap;row-gap:6px;padding-block:0 8px}.reader-tools-label{font-size:var(--fs-sm);color:var(--subtle)}.reader-colors{flex:none}.reader-colors>button{flex:none;align-items:center;gap:6px;padding:3px 10px;font-size:12.5px;display:inline-flex}.reader-colors .paper{border:1px solid var(--border-strong);background:var(--paper);border-radius:1px;width:10px;height:12px}.reader-colors .paper.original{background:var(--bg)}.reader-colors .paper.sepia{background:var(--paper)}.reader-colors .paper.gray{background:var(--sunken)}.reader-colors .paper.dark{background:var(--strong)}.reader-colors .paper.auto{background:var(--bg);box-shadow:inset -4px 0 0 var(--strong)}.btn.toggle[aria-pressed=true]{background:var(--accent-soft);border-color:var(--accent-line);color:var(--accent)}.reader-note{max-width:980px;padding:0 var(--gutter) 8px;margin:0 auto}.reader-note .alert{padding-block:6px}.reader-resumed{align-items:center}.reader-resumed .link-button{font-weight:600}.pdf-viewer-status{max-width:560px;padding-inline:var(--gutter);margin:0 auto}.pdf-loading{color:var(--muted);justify-items:center;gap:12px;padding:48px 0 24px;display:grid}.pdf-loading p{align-items:center;gap:8px;display:flex}.pdf-loading .bar{width:240px}.pdf-viewer-status .empty{background:var(--bg);border:1px solid var(--border);border-radius:var(--r);margin-top:32px}.pdf-pages{flex-direction:column;align-items:center;gap:12px;max-width:760px;margin:0 auto;padding:16px 8px 0;display:flex;overflow-x:hidden}.pdf-viewer-screen.zoomed .pdf-pages{max-width:none}.pdf-page{border:1px solid var(--border);box-shadow:var(--shadow-pop);touch-action:pan-y;background:#fff;flex-shrink:0;overflow:hidden}.pdf-page canvas{display:block}.pdf-viewer-screen .pdf-page canvas{filter:var(--pdf-filter,none)}.pdf-viewer-screen.pdf-dark .pdf-page{background:#000}.pdf-viewer-foot{text-align:center;font-size:var(--fs-sm);color:var(--subtle);margin-top:20px}@media (width<=720px){.reader-bar-in{gap:6px;min-height:48px}.reader-file span,.reader-tools-label{display:none}.reader-tools{scrollbar-width:none;flex-wrap:nowrap;overflow-x:auto}.reader-tools::-webkit-scrollbar{display:none}.reader-tools>*{flex:none}.pdf-pages{gap:8px;padding:8px 0 0}.pdf-page{border-inline:0}}