:root{--reader-ink: #1a1a1a;--reader-paper: #fbfaf7;--reader-surface: #ffffff;--reader-muted: #6b6b6b;--reader-line: #e3e0da;--reader-accent: #7a5c3e;--reader-radius: 10px;--collection-measure: 80rem;--shelf-search-inset: .75rem;--space-1: .35rem;--space-2: .6rem;--space-3: .9rem;--space-4: 1.5rem;--text-title: 1.05rem;--text-body: .95rem;--text-label: .82rem;--text-meta: .72rem;--motion-duration: .18s;--motion-ease: cubic-bezier(.32, .72, 0, 1);--focus-ring: 2px solid color-mix(in srgb, var(--reader-accent) 70%, transparent);--focus-offset: 2px;--safe-top: env(safe-area-inset-top, 0px);--safe-bottom: env(safe-area-inset-bottom, 0px);--safe-left: env(safe-area-inset-left, 0px);--safe-right: env(safe-area-inset-right, 0px);--reader-font-scale: 1;--reader-line-height: inherit;--reader-font-family: inherit;--reader-text-align: inherit;--reader-page-margin: 1.5rem;--reader-brightness: 1;--reader-measure: 42rem;--reader-page-padding-inline: 1.5rem;--reader-page-padding-block: 1.25rem;--reader-band-inset: .75rem;--reader-surface-float: color-mix(in srgb, var(--reader-surface) 88%, transparent);--reader-layer-page: 1;--reader-layer-bar: 10;--reader-layer-rail: 14;--reader-layer-panel: 20;--reader-layer-readout: 5;--reader-indicator-inset: max( var(--reader-page-margin), var(--reader-page-padding-inline) )}[data-theme=sepia]{--reader-ink: #3b3327;--reader-paper: #f5ecd9;--reader-surface: #f9f3e4;--reader-line: #e0d3ba}[data-theme=dark]{--reader-ink: #d8d4cc;--reader-paper: #16171a;--reader-surface: #1e2024;--reader-muted: #9a958c;--reader-line: #33363b;--reader-accent: #b39272}*,*:before,*:after{box-sizing:border-box}html,body{margin:0;padding:0;height:100%}body{background:var(--reader-paper);color:var(--reader-ink);font-family:system-ui,-apple-system,Segoe UI,Noto Sans SC,sans-serif;-webkit-text-size-adjust:100%;overscroll-behavior:none}#app{display:flex;flex-direction:column;height:100%;overflow:hidden}.stage{position:relative;flex:1 1 auto;min-height:0;background:var(--reader-paper);overflow:hidden}.stage-host{display:flex;position:absolute;inset:0}.stage-host>.stage{flex:1 1 auto;min-height:0}.book-host{position:absolute;inset:0;overflow:hidden;z-index:var(--reader-layer-page)}.book-host[data-layout=reflowable]{overflow-x:hidden;overflow-y:auto;-webkit-overflow-scrolling:touch}.book-host[data-layout=fixed]{overflow:hidden;display:grid;place-items:center}.book-host[data-layout=reflowable]:after{content:"";position:absolute;inset:0;pointer-events:none;z-index:5;background:#000;opacity:calc(1 - var(--reader-brightness));mix-blend-mode:multiply}book-content{display:block}.reader-screen{display:block;height:100%;position:relative;--reader-chrome-top: 3.4rem;--reader-chrome-bottom: 5.6rem}.topbar{display:flex;position:absolute;inset-inline:0;top:0;z-index:var(--reader-layer-bar);align-items:stretch;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));justify-items:center;gap:var(--space-1);min-height:3.4rem;padding-inline:var(--reader-band-inset);background:var(--reader-surface-float);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-bottom:1px solid color-mix(in srgb,var(--reader-line) 80%,transparent);padding-top:var(--safe-top);height:var(--reader-chrome-top);transition:opacity var(--motion-duration) var(--motion-ease),transform var(--motion-duration) var(--motion-ease),visibility 0s linear var(--motion-duration)}.reader-screen[data-chrome=hidden] .topbar{opacity:0;visibility:hidden;pointer-events:none;border-bottom-color:transparent;transform:translateY(-100%)}.top-button{min-width:0;max-width:100%;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:.15rem;padding:.3rem .25rem;border:0;border-radius:var(--reader-radius);background:transparent;color:var(--reader-ink);font:inherit;font-size:1.15rem;cursor:pointer;touch-action:manipulation;transition:background var(--motion-duration) var(--motion-ease)}.topbar>.top-button:first-child{justify-self:start}.topbar>.top-button:last-child{justify-self:end}.top-button:active{background:color-mix(in srgb,var(--reader-ink) 8%,transparent)}.top-button-label{font-size:var(--text-meta);font-weight:400;color:var(--reader-muted);line-height:1;white-space:nowrap}.icon{font-size:1.15rem;font-style:normal;font-weight:400;font-synthesis:none;line-height:1;display:inline-block;width:1em;text-align:center;vertical-align:middle;speak:never;user-select:none;-webkit-user-select:none}.icon-button{appearance:none;border:0;background:transparent;color:var(--reader-ink);width:2.5rem;height:2.5rem;border-radius:var(--reader-radius);font-size:1.1rem;display:inline-grid;place-content:center;vertical-align:middle;cursor:pointer;touch-action:manipulation}.icon-button:active{background:color-mix(in srgb,var(--reader-ink) 10%,transparent)}.button{appearance:none;border:1px solid var(--reader-line);background:var(--reader-surface);color:var(--reader-ink);border-radius:var(--reader-radius);padding:.6rem 1rem;font-size:.95rem;cursor:pointer;touch-action:manipulation}.button.primary{background:var(--reader-accent);border-color:var(--reader-accent);color:#fff}.button:disabled{opacity:.55;cursor:default}.icon-text-button{display:inline-flex;align-items:center;justify-content:center;gap:var(--space-1);vertical-align:middle;white-space:nowrap;flex:0 0 auto}.panel-header .icon-text-button{padding:.45rem .6rem;font-size:.82rem}.button:focus-visible,.icon-button:focus-visible,.chip:focus-visible,.switch:focus-visible,.segmented button:focus-visible,.toc-list li button:focus-visible,.manager-row:focus-visible,.manager-crumb:focus-visible,.search-clear:focus-visible,.tts-bar button:focus-visible,.pager-page:focus-visible,.pager-step:focus-visible,.dialog button:focus-visible{outline:var(--focus-ring);outline-offset:var(--focus-offset)}@media(hover:hover)and (pointer:fine){.icon-button:hover,.button:hover,.chip:hover,.manager-row:hover,.manager-crumb:hover,.search-clear:hover,.pager-page:hover,.pager-step:hover,.toc-list li button:hover{background:color-mix(in srgb,var(--reader-ink) 6%,transparent)}.pager-page[aria-current=page]:hover{background:var(--reader-accent)}.button.primary:hover{background:color-mix(in srgb,var(--reader-accent) 88%,var(--reader-ink));border-color:transparent}.button.danger:hover{background:color-mix(in srgb,#c0392b 10%,var(--reader-surface))}}.button,.icon-button,.chip,.manager-row,.manager-crumb,.search-clear,.pager-page,.pager-step,.toc-list li button,.segmented button{transition:background-color var(--motion-duration) var(--motion-ease),border-color var(--motion-duration) var(--motion-ease),color var(--motion-duration) var(--motion-ease),opacity var(--motion-duration) var(--motion-ease)}.field input,.field select,.field textarea{appearance:none;border:1px solid var(--reader-line);background:var(--reader-surface);color:var(--reader-ink);border-radius:var(--reader-radius);padding:.45rem .6rem;font-size:16px;font-family:inherit;width:100%}.field input[type=range]{padding:0;border:0;background:transparent;accent-color:var(--reader-accent)}.shelf{overflow-y:auto;-webkit-overflow-scrolling:touch;padding:0 0 var(--safe-bottom);--shelf-measure: 68rem;--shelf-gutter: .9rem;--shelf-gutter-end: calc(.9rem + var(--safe-right))}.shelf-head{display:flex;align-items:flex-start;gap:.75rem;padding:calc(.9rem + var(--safe-top)) calc(.9rem + var(--safe-left)) .5rem var(--shelf-gutter-end);max-width:var(--shelf-measure);margin-inline:auto}.shelf-head-text{flex:1 1 auto;min-width:0}.shelf-title{margin:0;font-size:1.5rem;font-weight:650;letter-spacing:-.02em;line-height:1.15}.shelf-subtitle{margin:.25rem 0 0;font-size:.76rem;line-height:1.35}.shelf-head-actions{display:flex;align-items:center;gap:.15rem;flex:0 0 auto;margin-top:-.45rem}.shelf-search{position:relative;display:flex;align-items:center;margin:.35rem auto .9rem;max-width:calc(var(--shelf-measure) - 1.8rem - var(--safe-left) - var(--safe-right) - 2 * var(--shelf-search-inset));padding-inline:var(--shelf-search-inset);box-sizing:border-box}.search-glyph{position:absolute;inset-inline-start:1.5rem;inset-block:0;margin-block:auto;display:grid;place-content:center;width:1.2rem;font-size:1.05rem;color:var(--reader-muted);pointer-events:none}.shelf-search input{appearance:none;flex:1 1 auto;min-width:0;width:100%;border:1px solid var(--reader-line);background:var(--reader-surface);color:var(--reader-ink);border-radius:999px;padding:.62rem 2.4rem .62rem 2.15rem;line-height:1.4;font-size:16px;font-family:inherit}.shelf-search input::-webkit-search-cancel-button,.shelf-search input::-webkit-search-decoration{appearance:none;display:none}.shelf-search input::placeholder{color:color-mix(in srgb,var(--reader-muted) 85%,transparent)}.shelf-search input:focus-visible{outline:2px solid var(--reader-accent);outline-offset:1px}.search-clear{position:absolute;inset-inline-end:.3rem;inset-block:0;margin-block:auto;width:1.9rem;height:1.9rem;border:0;border-radius:50%;background:color-mix(in srgb,var(--reader-ink) 12%,transparent);color:var(--reader-ink);font-size:.9rem;display:grid;place-content:center;cursor:pointer}.shelf-section{padding-inline:calc(.9rem + var(--safe-left)) calc(.9rem + var(--safe-right));margin-bottom:1.35rem;max-width:var(--shelf-measure);margin-inline:auto}.shelf-section-head{display:flex;align-items:baseline;gap:.5rem}.shelf-section-title{margin:.9rem 0 .55rem;font-size:.83rem;font-weight:600;letter-spacing:.04em;color:var(--reader-muted)}.shelf-toolbar{position:sticky;inset-block-start:0;z-index:4;display:flex;align-items:center;gap:.5rem;border-bottom:1px solid color-mix(in srgb,var(--reader-line) 70%,transparent);margin-inline:calc(-.9rem - var(--safe-left)) calc(-.9rem - var(--safe-right));padding:.4rem calc(.9rem + var(--safe-right)) .4rem calc(.9rem + var(--safe-left));background:color-mix(in srgb,var(--reader-paper) 88%,transparent);backdrop-filter:blur(10px)}.shelf-count{font-size:.75rem;white-space:nowrap;flex:0 0 auto;font-variant-numeric:tabular-nums}.shelf-sort{display:flex;align-items:center;gap:.3rem;overflow-x:auto;scrollbar-width:none;flex:1 1 auto;min-width:0;justify-content:flex-end}.shelf-sort::-webkit-scrollbar{display:none}.shelf-refresh{font-size:.78rem;color:var(--reader-muted);text-align:center;padding:.35rem 0}.shelf-refresh[hidden]{display:none}.shelf-status{font-size:.78rem;text-align:center;color:var(--reader-muted);padding:.75rem .9rem calc(.75rem + var(--safe-bottom))}.shelf-pager,.manager-pager{display:flex;align-items:center;justify-content:center;flex-wrap:wrap;gap:.3rem;padding:.9rem .35rem .25rem}.pager-page,.pager-step{appearance:none;border:1px solid transparent;background:transparent;color:var(--reader-ink);border-radius:var(--reader-radius);min-width:2rem;height:2rem;padding:0 .4rem;font-size:var(--text-label);font-variant-numeric:tabular-nums;display:inline-grid;place-content:center;cursor:pointer;touch-action:manipulation}.pager-page[aria-current=page]{background:var(--reader-accent);border-color:var(--reader-accent);color:#fff;font-weight:600}.pager-page:disabled,.pager-step:disabled{opacity:.35;cursor:default}.pager-step{width:2rem;min-width:2rem;padding:0;font-size:.95rem}.pager-gap{min-width:1.4rem;height:2rem;display:inline-grid;place-content:center;font-size:var(--text-meta);color:var(--reader-muted)}@media(prefers-reduced-motion:reduce){.pager-page,.pager-step{transition:none}}.book-grid{--shelf-cover-min: 7rem;display:grid;grid-template-columns:repeat(auto-fill,minmax(var(--shelf-cover-min),1fr));gap:1.1rem .75rem;align-items:start}.book-grid[data-density=compact]{--shelf-cover-min: 5rem;gap:.9rem .6rem}.book-grid[data-density=comfortable]{--shelf-cover-min: 9.5rem;gap:1.35rem 1rem}@media(min-width:40rem){.book-grid[data-density=compact]{--shelf-cover-min: 7rem}.book-grid:not([data-density=compact]):not([data-density=comfortable]){--shelf-cover-min: 9.5rem}.book-grid[data-density=comfortable]{--shelf-cover-min: 12rem}}.book-card{position:relative;border:0;padding:0;background:transparent;color:inherit;text-align:start;display:flex;flex-direction:column;gap:.3rem;min-width:0;width:100%}.book-card .book-open{border:0;padding:0;background:transparent;color:inherit;text-align:start;cursor:pointer;display:flex;flex-direction:column;gap:.3rem;min-width:0;width:100%;font:inherit}.book-card .book-more{position:absolute;inset-block-start:.3rem;inset-inline-end:.3rem;width:1.75rem;height:1.75rem;border-radius:999px;background:color-mix(in srgb,var(--reader-surface) 82%,transparent);color:var(--reader-ink);opacity:.55;backdrop-filter:blur(4px);box-shadow:0 1px 3px #0000002e;transition:opacity var(--motion-duration) var(--motion-ease)}.book-card .book-more:hover,.book-card .book-more:focus-visible,.book-card .book-more:active{opacity:1}@media(hover:hover){.book-card .book-more{opacity:0}}.book-card .cover{position:relative;width:100%;aspect-ratio:2 / 3;border-radius:8px;overflow:hidden;background:color-mix(in srgb,var(--reader-line) 70%,var(--reader-surface));box-shadow:0 1px 2px #00000024,0 3px 10px #0000000f;display:grid;place-items:stretch;transition:transform var(--motion-duration) var(--motion-ease),box-shadow var(--motion-duration) var(--motion-ease)}.book-card .book-open:active .cover{transform:scale(.975);box-shadow:0 1px 2px #00000029}.book-card .cover img{width:100%;height:100%;object-fit:cover;display:block}.book-card .cover .placeholder{display:flex;align-items:center;justify-content:center;padding:.7rem .55rem;font-size:.78rem;font-weight:500;line-height:1.35;text-align:center;color:color-mix(in srgb,var(--reader-ink) 72%,transparent);background:linear-gradient(150deg,color-mix(in srgb,var(--reader-accent) 16%,var(--reader-surface)),color-mix(in srgb,var(--reader-accent) 6%,var(--reader-line)));overflow:hidden;word-break:break-word}.book-card .format-badge{position:absolute;inset-block-end:.3rem;inset-inline-end:.3rem;background:#00000094;color:#fff;border-radius:4px;padding:.05rem .3rem;font-size:.6rem;letter-spacing:.03em;text-transform:uppercase;backdrop-filter:blur(4px)}.book-card .title{font-size:.8rem;line-height:1.3;font-weight:520;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;min-height:2.6em}.book-card .author{font-size:.7rem;color:var(--reader-muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.book-grid[data-show-author=false] .book-card .author,.book-grid[data-show-progress=false] .cover-progress{display:none}.book-card .cover-progress{position:absolute;inset-inline:0;inset-block-end:0;height:4px;background:#00000059}.book-card .cover-progress span{display:block;height:100%;background:var(--reader-accent)}.book-grid.is-skeleton{pointer-events:none}.book-grid.is-skeleton .cover{box-shadow:none}.skeleton-line{height:.62rem;border-radius:3px;background:color-mix(in srgb,var(--reader-line) 80%,var(--reader-surface));min-height:0}.skeleton-line.short{width:55%}.book-grid.is-skeleton .cover,.skeleton-line{background-image:linear-gradient(100deg,transparent 20%,color-mix(in srgb,var(--reader-ink) 5%,transparent) 50%,transparent 80%);background-size:220% 100%;animation:shelf-shimmer 1.5s linear infinite}@keyframes shelf-shimmer{0%{background-position:140% 0}to{background-position:-40% 0}}.empty-state{margin:2.5rem auto auto;max-width:20rem;text-align:center;color:var(--reader-ink);display:flex;flex-direction:column;align-items:center;gap:.35rem}.empty-state p{margin:0;font-size:.95rem;font-weight:550}.empty-state p.muted{font-size:.78rem;font-weight:400;line-height:1.5}.empty-glyph{font-size:2.4rem;display:block;opacity:.35}.empty-actions{display:flex;gap:.5rem;flex-wrap:wrap;justify-content:center;margin-top:.85rem}.shelf-settings .switch-field{flex-direction:row;align-items:center;gap:.75rem}.shelf-settings .switch-text{flex:1 1 auto;min-width:0;font-size:.9rem}.shelf-settings .switch-text .muted{font-size:.72rem;margin-top:.15rem}.shelf-settings .switch{flex:0 0 auto;position:relative;width:2.7rem;height:1.6rem;border-radius:1rem;border:0;background:var(--reader-line);cursor:pointer;transition:background var(--motion-duration) var(--motion-ease)}.shelf-settings .switch:after{content:"";position:absolute;top:.2rem;inset-inline-start:.2rem;width:1.2rem;height:1.2rem;border-radius:50%;background:var(--reader-surface);box-shadow:0 1px 2px #00000040;transition:inset-inline-start var(--motion-duration) var(--motion-ease)}.shelf-settings .switch[aria-pressed=true]{background:var(--reader-accent)}.shelf-settings .switch[aria-pressed=true]:after{inset-inline-start:1.3rem}@media(prefers-reduced-motion:reduce){.topbar,.footer,.reader-rail{transition-duration:1ms;animation:none}.shelf-settings .switch,.shelf-settings .switch:after{transition:none}.book-card .cover,.book-card .book-more,.book-grid.is-skeleton .cover,.book-grid.is-skeleton .skeleton-line{animation:none;transition:none}}.scrim{position:absolute;inset:0;z-index:var(--reader-layer-panel);background:color-mix(in srgb,#000 42%,transparent);animation:scrim-in var(--motion-duration) var(--motion-ease)}@keyframes scrim-in{0%{opacity:0}to{opacity:1}}.panel{position:absolute;inset-inline:0;bottom:0;z-index:var(--reader-layer-panel);display:flex;flex-direction:column;min-height:0;height:min(62%,34rem);max-height:78%;background:var(--reader-surface);border-top:1px solid var(--reader-line);border-radius:16px 16px 0 0;box-shadow:0 -14px 36px color-mix(in srgb,#000 26%,transparent);animation:sheet-in var(--motion-duration) var(--motion-ease)}@keyframes sheet-in{0%{transform:translateY(100%)}to{transform:translateY(0)}}.panel[hidden]{display:none}.panel-grip{flex:0 0 auto;width:2.25rem;height:.25rem;margin:.5rem auto .125rem;border-radius:999px;background:var(--reader-line)}.panel-header{display:flex;align-items:center;gap:.5rem;padding:.25rem .5rem .5rem .9rem;border-bottom:1px solid var(--reader-line)}.panel-header h2{margin:0;font-size:var(--text-title);font-weight:600}.panel-subtitle{flex:1 1 auto;text-align:end;font-size:var(--text-meta);color:var(--reader-muted);font-variant-numeric:tabular-nums}.panel-body{flex:1 1 auto;overflow-y:auto;-webkit-overflow-scrolling:touch;overscroll-behavior:contain;padding:var(--space-3) .9rem calc(var(--space-3) + var(--safe-bottom))}.toc-list{list-style:none;margin:0;padding:0}.toc-list li button{width:100%;display:flex;align-items:center;gap:var(--space-2);text-align:start;border:0;background:transparent;color:var(--reader-ink);padding:.55rem .6rem;border-radius:var(--reader-radius);font-size:var(--text-body);line-height:1.35;cursor:pointer;touch-action:manipulation}.toc-list li button:hover{background:color-mix(in srgb,var(--reader-ink) 6%,transparent)}.toc-list li button[aria-current=true]{color:var(--reader-accent);font-weight:600;background:color-mix(in srgb,var(--reader-accent) 12%,transparent)}.toc-list li button[data-unreachable=true]{opacity:.55;cursor:default}.toc-list li button[data-unreachable=true]:hover{background:transparent}.toc-list li .toc-index{flex:0 0 auto;min-width:2.4rem;font-size:var(--text-meta);color:var(--reader-muted);font-variant-numeric:tabular-nums}.toc-list li .toc-label{flex:1 1 auto;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.reader-screen[data-chrome=hidden] .footer{opacity:0;visibility:hidden;pointer-events:none;border-top-color:transparent;transform:translateY(100%)}.footer{position:absolute;inset-inline:0;bottom:0;z-index:var(--reader-layer-bar);background:var(--reader-surface-float);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-top:1px solid color-mix(in srgb,var(--reader-line) 80%,transparent);padding-bottom:var(--safe-bottom);transition:opacity var(--motion-duration) var(--motion-ease),transform var(--motion-duration) var(--motion-ease),visibility 0s linear var(--motion-duration)}.progress-row{display:flex;align-items:center;gap:var(--space-2);padding:var(--space-2) var(--reader-band-inset) .25rem}.progress-scrubber{flex:1 1 auto;min-width:0;margin-inline:0;appearance:none;-webkit-appearance:none;height:1.5rem;background:transparent;cursor:pointer;touch-action:manipulation}.progress-scrubber::-webkit-slider-runnable-track{height:.3rem;border-radius:.15rem;background:color-mix(in srgb,var(--reader-line) 70%,transparent)}.progress-scrubber::-moz-range-track{height:.3rem;border-radius:.15rem;background:color-mix(in srgb,var(--reader-line) 70%,transparent)}.progress-scrubber::-webkit-slider-thumb{appearance:none;-webkit-appearance:none;width:1.1rem;height:1.1rem;margin-top:-.4rem;border-radius:50%;background:var(--reader-surface);border:2px solid var(--reader-accent);box-shadow:0 1px 4px color-mix(in srgb,#000 18%,transparent)}.progress-scrubber::-moz-range-thumb{width:1.1rem;height:1.1rem;border-radius:50%;background:var(--reader-surface);border:2px solid var(--reader-accent);box-shadow:0 1px 4px color-mix(in srgb,#000 18%,transparent)}.progress-scrubber:focus-visible{outline:var(--focus-ring);outline-offset:var(--focus-offset)}.progress-page{flex:0 0 auto;font-size:var(--text-meta);font-variant-numeric:tabular-nums;color:var(--reader-muted);white-space:nowrap}.footer-row.chapter-nav{display:flex;align-items:center;justify-content:space-between;gap:var(--space-2);padding:.15rem var(--reader-band-inset) .65rem}.nav-chapter{display:inline-flex;align-items:center;gap:.15rem;border:0;background:transparent;color:var(--reader-ink);font:inherit;font-size:var(--text-label);padding:.45rem 0;border-radius:var(--reader-radius);cursor:pointer;touch-action:manipulation;white-space:nowrap}.nav-chapter:active{background:color-mix(in srgb,var(--reader-ink) 8%,transparent)}.nav-chapter:disabled{opacity:.35;cursor:default}.nav-progress{flex:1 1 auto;text-align:center;font-size:var(--text-label);color:var(--reader-muted);font-variant-numeric:tabular-nums;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.reader-rail{position:absolute;inset-inline-end:calc(.35rem + var(--safe-right));top:calc(22% + var(--safe-top));max-height:calc(100% - 22% - var(--safe-top) - var(--reader-chrome-bottom) - .5rem);overflow-y:auto;overscroll-behavior:contain;z-index:var(--reader-layer-rail);display:flex;flex-direction:column;gap:var(--space-1);padding:.2rem;opacity:1;transform:none;transition:opacity var(--motion-duration) var(--motion-ease),transform var(--motion-duration) var(--motion-ease),visibility 0s linear}.reader-rail::-webkit-scrollbar{inline-size:3px}.reader-rail::-webkit-scrollbar-thumb{background:color-mix(in srgb,var(--reader-ink) 22%,transparent);border-radius:999px}.reader-screen[data-chrome=hidden] .reader-rail{visibility:hidden;opacity:0;transform:translate(.5rem);pointer-events:none;transition:opacity var(--motion-duration) var(--motion-ease),transform var(--motion-duration) var(--motion-ease),visibility 0s linear var(--motion-duration)}.rail-button{display:grid;place-items:center;width:2.75rem;height:2.75rem;padding:0;border:1px solid color-mix(in srgb,var(--reader-line) 70%,transparent);border-radius:50%;background:color-mix(in srgb,var(--reader-surface) 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11rem}@media(min-width:40rem){.library-browse-grid{--shelf-cover-min: 10.5rem}.library-browse-grid[data-density=compact]{--shelf-cover-min: 8rem}.library-browse-grid[data-density=comfortable]{--shelf-cover-min: 13rem}}@media(min-width:72rem){.library-browse-grid{--shelf-cover-min: 11.5rem}}.library-preview-hint{padding:.5rem calc(.9rem + var(--shelf-search-inset)) 0;font-size:.75rem;line-height:1.4}.library-preview-hint:empty{display:none}.book-card.is-row{position:relative;display:flex;flex-direction:column;gap:.3rem}.book-card .book-shelve{position:absolute;inset-block-start:.3rem;inset-inline-start:.3rem;display:inline-flex;align-items:center;gap:.15rem;border:0;border-radius:999px;padding:.15rem .4rem;background:color-mix(in srgb,var(--reader-accent) 92%,transparent);color:#fff;font-size:.6rem;font-family:inherit;line-height:1.5;backdrop-filter:blur(4px);box-shadow:0 1px 3px #00000040;cursor:pointer;touch-action:manipulation}.book-card .book-shelve 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