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{max-width:980px;padding-inline:var(--gutter);align-items:center;gap:10px;min-height:52px;margin:0 auto;padding-block:6px;display:flex}.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-bar,.reader-foot{transition:transform var(--dur-base) var(--ease), opacity var(--dur-base) var(--ease)}.bars-hidden .reader-bar{opacity:0;pointer-events:none;transform:translateY(-100%)}.bars-hidden .reader-foot{opacity:0;pointer-events:none;transform:translateY(100%)}.reader-show-bars{top:calc(var(--header-h) + 8px);z-index:21;border:1px solid var(--border);border-radius:var(--r-pill);background:var(--card);color:var(--text);font-size:var(--t-small);clip-path:inset(50%);padding:6px 12px;position:fixed;inset-inline-start:8px}.reader-show-bars:focus-visible{clip-path:none}.reader-foot{inset-inline:0;bottom:calc(var(--tabs-h,0px) + var(--player-h,0px));z-index:20;align-items:center;gap:var(--s-3);padding:var(--s-2) max(var(--gutter), calc((100vw - 980px) / 2));border-top:1px solid var(--border);background:color-mix(in srgb, var(--bg) 92%, transparent);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);display:flex;position:fixed}.reader-slider{appearance:none;cursor:pointer;background:0 0;flex:1;min-width:0;height:28px}.reader-slider::-webkit-slider-runnable-track{background:linear-gradient(to var(--slider-to,right), var(--accent-strong) var(--played,0%), var(--sunken) var(--played,0%));border-radius:2px;height:4px}[dir=rtl] .reader-slider{--slider-to:left}.reader-slider::-webkit-slider-thumb{appearance:none;background:var(--accent-strong);border-radius:50%;width:18px;height:18px;margin-top:-7px}.reader-slider::-moz-range-track{background:var(--sunken);border-radius:2px;height:4px}.reader-slider::-moz-range-progress{background:var(--accent-strong);border-radius:2px;height:4px}.reader-slider::-moz-range-thumb{background:var(--accent-strong);border:0;border-radius:50%;width:18px;height:18px}.reader-more{gap:var(--s-4);display:grid}.reader-more .reader-tools-label{font-size:var(--t-small);margin:0}.reader-goto{align-items:flex-end;gap:var(--s-2);display:flex}.reader-goto label{font-size:var(--t-small);color:var(--muted);flex:1;gap:4px;display:grid}.reader-more .reader-file{justify-self:start}.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-colors{flex-wrap:wrap}.pdf-pages{gap:8px;padding:8px 0 0}.pdf-page{border-inline:0}}