/* Obratela Reader 7.49 — adaptive reading shell */
.reader-bar{grid-template-columns:auto minmax(220px,1fr) auto;gap:14px;padding-inline:16px}
.reader-index-button{width:auto;min-width:92px;justify-content:center}
.reader-book-title{min-width:0;text-align:center}.reader-book-title>span{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.reader-book-title small{display:block;margin-top:2px;color:var(--muted);font-size:.68rem}
.reader-tools__heading,.reader-mobile-more,.reader-language-button,.reader-overlay,.reader-selection-tools{display:none}
.reader-content{font-size:clamp(1.05rem,1rem + .18vw,1.2rem);line-height:1.72}.reader-content h1{font-size:clamp(2.45rem,3.2vw,3.6rem);line-height:1.04}.reader-watermark{opacity:.035}
.reader-toc{z-index:10000;width:min(390px,calc(100vw - 24px));padding:22px}.reader-toc__heading{display:flex;align-items:center;justify-content:space-between;gap:12px}.reader-toc__heading button{display:grid;place-items:center;width:44px;height:44px}.reader-toc-search{display:block;width:100%;margin:12px 0 16px}.reader-toc-search input{width:100%;min-height:44px;padding:0 14px;border:1px solid var(--line);border-radius:12px;background:var(--surface);color:inherit;font:inherit}.reader-toc ol{display:grid;gap:8px}.reader-toc li{border:0}.reader-toc a{display:grid;grid-template-columns:38px minmax(0,1fr) auto;align-items:center;gap:12px;padding:12px;border:1px solid var(--line);border-radius:14px}.reader-toc-number{display:grid;place-items:center;width:38px;height:38px;border-radius:50%;background:color-mix(in srgb,var(--accent) 10%,var(--surface));color:var(--accent);font-size:.72rem;font-weight:850}.reader-toc-copy{min-width:0}.reader-toc-copy>strong{display:block;font-weight:800;line-height:1.3}.reader-toc-copy>small{display:block;margin-top:4px;color:var(--muted);font-size:.68rem}.reader-toc-check{color:var(--accent);font-weight:900}.reader-toc [hidden]{display:none!important}
.reader-panel{z-index:10000}
.reader-chapter{content-visibility:auto;contain-intrinsic-size:auto 1100px}
.reader-toc ol{margin:0;padding:0;list-style:none}.reader-toc a.is-complete>span:after{content:none}.reader-toc-check{display:none}.reader-toc a.is-complete .reader-toc-check{display:inline}
.reader-type-preview{margin:0 0 18px;padding:18px;border:1px solid var(--line);border-radius:14px;background:var(--reader-bg);font:1.05rem/1.6 Georgia,serif}.reader-font-size-control{display:grid!important;grid-template-columns:1fr auto 1fr;align-items:center;gap:8px}.reader-font-size-control output{min-width:56px;text-align:center;font-weight:850}
.reader-selection-tools{position:fixed;z-index:10020;gap:4px;padding:5px;border:1px solid var(--line);border-radius:12px;background:var(--surface);box-shadow:0 12px 35px #0003}.reader-selection-tools.is-visible{display:flex}.reader-selection-tools .reader-button{min-height:36px;padding:7px 10px}
.reader-overlay{position:fixed;inset:0;z-index:9990;background:#1118;backdrop-filter:blur(2px)}body.reader-overlay-open .reader-overlay{display:block}
@media(max-width:760px){
 body{padding-bottom:76px}
 body.reader-tools-open .reader-bar{z-index:10010}
 .reader-bar{grid-template-columns:44px minmax(0,1fr) 44px;gap:8px;height:58px;padding:7px 10px}.reader-index-button{min-width:44px;width:44px;height:44px;padding:0}.reader-index-button .reader-button__label{display:none}.reader-book-title{font-size:.9rem;line-height:1.15}.reader-book-title small{font-size:.62rem}.reader-mobile-more{display:grid;place-items:center;width:44px;height:44px;padding:0;font-size:1.25rem}
 .reader-tools{position:fixed;right:10px;top:66px;z-index:10010;display:none;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;width:min(350px,calc(100vw - 20px));max-height:calc(100dvh - 82px);overflow:auto;padding:14px;border:1px solid var(--line);border-radius:18px;background:var(--surface);box-shadow:0 18px 50px #0004}.reader-tools.is-mobile-open{display:grid}.reader-tools__heading{display:flex;grid-column:1/-1;align-items:center;justify-content:space-between;font-weight:850}.reader-tools .reader-button{justify-content:center;min-height:44px}.reader-tools .reader-button--primary{grid-column:1/-1}.reader-language-button{display:flex}.reader-language-switchers{display:none}
 .reader-progress{top:58px}.reader-content{width:min(100% - 32px,680px);padding-top:8vh;font-size:clamp(1.04rem,4.6vw,1.18rem);line-height:1.68}.reader-content h1{font-size:clamp(2.15rem,10vw,3rem)}.reader-content h2{font-size:clamp(1.65rem,7.5vw,2.25rem)}
 .reader-toc{top:8px;bottom:8px;left:8px;width:calc(100vw - 16px);max-height:none;border-radius:20px;overscroll-behavior:contain;scrollbar-gutter:stable;touch-action:pan-y;-webkit-overflow-scrolling:touch}.reader-toc__heading{position:sticky;z-index:3;top:-22px;margin:-22px -22px 0;padding:18px 22px 10px;background:var(--surface)}.reader-toc a{grid-template-columns:38px minmax(0,1fr) auto;padding:11px}.reader-toc-copy>strong{font-size:.94rem}
 .reader-panel{top:auto;right:8px;bottom:8px;left:8px;width:auto;max-width:none;max-height:min(82dvh,720px);border-radius:22px}.reader-panel__close{min-width:44px;min-height:44px}.reader-panel-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.reader-panel-grid .reader-button{min-height:44px}
 .reader-chapter-nav{position:fixed;right:8px;bottom:8px;left:8px;z-index:9980;grid-template-columns:1fr auto 1fr;margin:0;border-radius:16px;box-shadow:0 12px 36px #0003}.reader-chapter-nav>button{min-height:58px;padding:9px 12px}.reader-chapter-nav strong{display:none}.reader-chapter-nav>div{grid-column:auto;grid-row:auto;min-width:96px;padding:9px;border:0;border-inline:1px solid var(--line);font-size:.7rem}
 body.reader-chrome-hidden .reader-bar{transform:translateY(-110%)}body.reader-chrome-hidden .reader-progress{transform:translateY(-58px)}body.reader-chrome-hidden .reader-chapter-nav{transform:translateY(calc(100% + 18px))}.reader-bar,.reader-progress,.reader-chapter-nav{transition:transform .25s ease}
 .reader-watermark{opacity:.025}.reader-selection-tools{max-width:calc(100vw - 16px)}
}
@media(max-width:390px){.reader-panel-grid{grid-template-columns:1fr}.reader-tools{grid-template-columns:1fr}}
@media(prefers-reduced-motion:reduce){.reader-bar,.reader-progress,.reader-chapter-nav{transition:none}}

/* Reader navigation 8.5.20 */
html.reader-overlay-open,body.pbe-reader.reader-overlay-open{overflow:hidden;overscroll-behavior:none}
.reader-toc a.is-current{border-color:var(--accent);background:color-mix(in srgb,var(--accent) 9%,var(--surface))}
.reader-toc-copy>strong{overflow-wrap:anywhere}
.reader-toc__heading h2{margin:0;font:700 1.35rem/1.2 var(--reader-font)}
.reader-toc__heading button{border:1px solid var(--line);border-radius:50%;background:var(--surface);color:var(--text);font-size:1.25rem;cursor:pointer}
.reader-toc-empty{color:var(--muted);font-size:.85rem;line-height:1.5}
.reader-toc button:focus-visible,.reader-toc a:focus-visible,.reader-panel button:focus-visible,.reader-tools button:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
@media(max-width:760px){
 .reader-bar{min-height:58px}
 .reader-toc{top:max(8px,env(safe-area-inset-top));bottom:max(8px,env(safe-area-inset-bottom))}
 .reader-panel,.reader-chapter-nav{bottom:max(8px,env(safe-area-inset-bottom))}
 body{padding-bottom:calc(76px + env(safe-area-inset-bottom))}
}

.reader-toc__controls{position:sticky;z-index:3;top:-22px;margin:-22px -22px 16px;padding:18px 22px 14px;background:var(--surface)}
.reader-toc__controls .reader-toc__heading{position:static;margin:0;padding:0;background:transparent}
.reader-toc__controls .reader-toc-search{margin:12px 0 0}
.reader-toc-search input{font:400 .9rem/1.4 system-ui,sans-serif}