/* One chapter body, with separate web and paginated presentation. */
.eb-view-bar{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin:4px 0 20px;scroll-margin-top:calc(var(--eb-site-header,130px) + 12px)}
.eb-view-switch{display:inline-flex;padding:4px;gap:3px;border:1px solid var(--line);border-radius:12px;background:var(--surface)}
.eb-view-bar button,.eb-page-controls button{font:inherit;font-size:13px;min-height:44px;cursor:pointer;color:var(--muted);background:transparent;border:0;border-radius:8px;padding:10px 15px;display:inline-flex;align-items:center;justify-content:center;gap:8px}
.eb-view-switch button[aria-pressed=true]{background:var(--accent-soft);color:var(--accent);font-weight:700}
.eb-view-bar button:hover,.eb-page-controls button:hover:not(:disabled){background:var(--accent-soft);color:var(--accent)}
.eb-view-bar .eb-settings-toggle{border:1px solid var(--line);background:var(--surface)}
.eb-view-hint{color:var(--muted);font-size:11px;line-height:1.6;margin:0;flex:1;text-align:right}
.eb-page-layout{display:flex;align-items:center;gap:8px;margin-left:auto;font:12px/1.4 system-ui,sans-serif;color:var(--muted)}
.eb-page-layout select{min-height:44px;padding:8px 26px 8px 12px;border:1px solid var(--line);border-radius:8px;font:inherit;color:var(--text);background:var(--surface);cursor:pointer}
.eb-main[data-reader-mode=book] .eb-view-bar{max-width:1140px;margin:4px auto 16px}
.eb-main[data-reader-mode=book] .eb-view-hint{display:none}
.eb-main[data-reader-mode=book] .eb-reader{display:block;max-width:1140px;margin-inline:auto;padding-top:0;overflow-anchor:none}
.eb-main[data-reader-mode=book][data-reader-layout=single] .eb-reader{max-width:800px}
.eb-main[data-reader-mode=book] .eb-reader-toc{position:relative;top:auto;max-height:none;margin:0 0 14px;padding:0;border:1px solid var(--line);border-radius:12px;overflow:visible;background:var(--surface)}
.eb-main[data-reader-mode=book] .eb-reader-toc details[open]>.eb-contents{max-height:40dvh;overflow:auto;padding:0 12px 12px;overscroll-behavior:contain}
.eb-main[data-reader-mode=book] .eb-reader-toc .eb-download{display:none}
.eb-main[data-reader-mode=book] .eb-reader-toc>details>summary{padding:12px 16px;font-size:13px;min-height:44px;box-sizing:border-box}
.eb-main[data-reader-mode=book] .eb-reader-toc:has(>details:not([open])){display:none}
.eb-main[data-reader-mode=book] .eb-chapter>header{padding:0;border:0;margin:0}
.eb-main[data-reader-mode=book] .eb-chapter>header>h1,.eb-main[data-reader-mode=book] .eb-chapter>header>.eb-kicker,.eb-main[data-reader-mode=book] .eb-chapter>header>.eb-credit{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap}
.eb-main[data-reader-mode=book] .eb-reading-tools{display:none}
.eb-main[data-reader-mode=book][data-reader-settings=open] .eb-reading-tools{display:flex;margin:0 0 14px;padding:16px;border:1px solid var(--line);border-radius:12px;background:var(--surface)}
.eb-main[data-reader-mode=book] .eb-book-surface{--eb-paper:#fffdf8;--eb-ink:#302e2a;--eb-paper-muted:#78746c;position:relative;padding:50px 36px 38px;border:1px solid #dedbd2;border-radius:14px;background:var(--eb-paper);color:var(--eb-ink);box-shadow:0 4px 14px #00000005,0 16px 40px #00000009;isolation:isolate;overflow:clip;overflow-anchor:none;scroll-margin-top:calc(var(--eb-site-header,130px) + 12px)}
[data-theme=dark] .eb-main[data-reader-mode=book] .eb-book-surface{--eb-paper:#20262e;--eb-ink:#e4e6e9;--eb-paper-muted:#9ba6b3;border-color:#39424e;box-shadow:0 12px 36px #0003}
.eb-main[data-reader-mode=book] .eb-book-surface[data-spread="2"]::after{content:'';position:absolute;top:46px;bottom:32px;left:50%;width:1px;background:var(--line);opacity:.65;pointer-events:none}
.eb-book-running{position:absolute;inset:16px 36px auto;display:flex;align-items:center;justify-content:space-between;gap:20px;font:11px/1.5 system-ui,sans-serif;color:var(--eb-paper-muted);pointer-events:none}
.eb-book-running span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.eb-book-running span:first-child{font-size:12px;font-weight:600;max-width:72%;color:var(--eb-ink)}
.eb-book-running span:last-child{max-width:40%;text-align:right}
.eb-book-window{position:relative;overflow-anchor:none;min-width:0;outline-offset:6px}
.eb-main[data-reader-mode=book] .eb-book-window{height:var(--eb-page-height);overflow:hidden;touch-action:pan-y pinch-zoom}
.eb-main[data-reader-mode=book] .eb-book-window>.eb-body{height:var(--eb-page-height);column-count:var(--eb-spread,1);column-width:auto;column-gap:var(--eb-page-gap);column-fill:auto;column-rule:none;max-width:none;width:100%;margin:0;padding:0;line-height:1.85;color:var(--eb-ink);overflow:visible;transform:translate3d(var(--eb-page-offset,0px),0,0);orphans:2;widows:2;word-break:normal;overflow-wrap:anywhere}
.eb-main[data-reader-mode=book] .eb-body h2{break-after:avoid;margin:1.25em 0 .8em;font-size:1.18em}
.eb-main[data-reader-mode=book] .eb-body>h2:first-child{margin-top:0}
.eb-main[data-reader-mode=book] .eb-body p{margin-bottom:1em}
.eb-main[data-reader-mode=book] .eb-body figure{break-inside:avoid;margin:0 0 1em}
.eb-main[data-reader-mode=book] .eb-body figure img{max-height:var(--eb-image-height,calc(var(--eb-page-height) - 110px));object-fit:contain;border-radius:7px;box-shadow:none;width:100%}
.eb-main[data-reader-mode=book] .eb-body figcaption{font-size:.72em;line-height:1.55;margin:.6em auto 0;max-width:96%}
.eb-main[data-reader-mode=book] .eb-body img{max-width:100%;height:auto;max-height:var(--eb-page-height);object-fit:contain}
.eb-main[data-reader-mode=book] .eb-body pre{white-space:pre-wrap;overflow:visible;overflow-wrap:anywhere;break-inside:auto;box-decoration-break:clone;-webkit-box-decoration-break:clone;padding:10px;font-size:.72em}
.eb-main[data-reader-mode=book] .eb-body table{width:100%;table-layout:fixed;font-size:.8em}
.eb-main[data-reader-mode=book] .eb-body a{color:var(--accent)}
.eb-page-folios{position:absolute;inset:auto 36px 12px;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:var(--eb-page-gap);font:12px/1.4 system-ui,sans-serif;text-align:center;font-variant-numeric:tabular-nums;color:var(--eb-paper-muted);pointer-events:none}
.eb-main[data-reader-mode=book] .eb-book-surface[data-spread="1"] .eb-page-folios{grid-template-columns:1fr}
.eb-empty-leaf{position:absolute;top:50px;bottom:38px;left:calc(50% + var(--eb-page-gap)/2);right:36px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;text-align:center;color:var(--eb-paper-muted);font:14px/1.6 system-ui,sans-serif;pointer-events:none}
.eb-empty-leaf::before{content:'';width:32px;height:1px;background:var(--line);margin-bottom:6px}.eb-empty-leaf small{font-size:11px}
.eb-page-controls{display:grid;grid-template-columns:auto minmax(0,1fr) auto;align-items:center;gap:18px;margin:14px 0 0;padding:10px 12px;border:1px solid var(--line);border-radius:12px;background:var(--surface);overflow-anchor:none}
.eb-page-controls button{border:1px solid var(--line);color:var(--text);min-width:104px;font-weight:600}
.eb-page-controls button[data-page-next]{border-color:transparent;background:var(--accent-soft);color:var(--accent)}
.eb-page-controls button:disabled{opacity:.35;cursor:default}
.eb-page-progress{display:flex;min-width:0;flex-direction:column;align-items:center;gap:6px}
.eb-page-progress output{font:12px/1.4 system-ui,sans-serif;color:var(--muted);font-variant-numeric:tabular-nums}
.eb-page-progress input{--eb-progress:0%;appearance:none;-webkit-appearance:none;width:100%;height:24px;background:transparent;cursor:pointer;margin:0;accent-color:var(--accent)}
.eb-page-progress input::-webkit-slider-runnable-track{height:4px;border-radius:4px;background:linear-gradient(to right,var(--accent) var(--eb-progress),var(--line) var(--eb-progress))}
.eb-page-progress input::-webkit-slider-thumb{appearance:none;-webkit-appearance:none;width:14px;height:14px;border-radius:50%;background:var(--accent);margin-top:-5px;border:2px solid var(--surface);box-shadow:0 0 0 1px var(--accent)}
.eb-page-progress input::-moz-range-track{height:4px;border-radius:4px;background:var(--line)}
.eb-page-progress input::-moz-range-progress{height:4px;border-radius:4px;background:var(--accent)}
.eb-page-progress input::-moz-range-thumb{width:11px;height:11px;border-radius:50%;background:var(--accent);border:2px solid var(--surface)}
.eb-page-progress input:focus-visible,.eb-page-layout select:focus-visible{outline:3px solid var(--accent);outline-offset:3px}
.eb-page-help{font:11px/1.6 system-ui,sans-serif;text-align:center;color:var(--muted);margin:10px 0 0;min-height:18px}
@media(max-width:760px){
  .eb-view-bar{gap:8px;margin-bottom:12px}.eb-view-bar button{padding:9px 11px}.eb-view-hint{display:none}
  .eb-main[data-reader-mode=book] .eb-book-surface{padding:48px 22px 34px;border-radius:12px}
  .eb-book-running{inset:14px 22px auto}.eb-book-running span:first-child{max-width:100%;font-size:11px}.eb-book-running span:last-child{display:none}
  .eb-page-folios{inset:auto 22px 10px}.eb-page-controls{gap:12px;padding:8px}.eb-page-controls button{min-width:78px;padding:9px;font-size:12px}
}
@media(max-width:520px){
  .eb-main[data-reader-mode=book] .eb-view-switch{margin-right:auto}.eb-main[data-reader-mode=book] .eb-page-layout{order:3;flex-basis:100%;margin:0;justify-content:flex-end}
  .eb-main[data-reader-mode=book] .eb-page-layout select{min-height:36px;padding-block:6px}.eb-page-layout>span{font-size:11px}
  .eb-view-bar .eb-settings-toggle{padding:9px 10px;font-size:12px;gap:5px}.eb-view-bar .eb-settings-toggle i{display:none}
  .eb-page-help{font-size:10px}.eb-page-controls{gap:10px}.eb-page-progress output{font-size:11px}
}
@media(max-width:380px){.eb-view-bar button{font-size:12px;padding-inline:9px}.eb-main[data-reader-mode=book] .eb-book-surface{padding-inline:18px}.eb-book-running{left:18px;right:18px}.eb-page-controls button{min-width:66px;gap:5px}}
@media(horizontal-viewport-segments:2){.eb-main[data-reader-mode=book] .eb-book-surface{--eb-fold-gap:calc(env(viewport-segment-left 1 0,0px) - env(viewport-segment-right 0 0,0px))}}
@media print{
  .eb-view-bar,.eb-book-running,.eb-page-controls,.eb-page-help,.eb-page-folios,.eb-empty-leaf{display:none!important}
  .eb-main[data-reader-mode=book] .eb-book-surface{padding:0;border:0;box-shadow:none;background:transparent;color:inherit;overflow:visible}
  .eb-main[data-reader-mode=book] .eb-book-surface::after{display:none}
  .eb-main[data-reader-mode=book] .eb-book-window{overflow:visible!important;height:auto!important}
  .eb-main[data-reader-mode=book] .eb-book-window>.eb-body{height:auto!important;columns:auto!important;transform:none!important;color:inherit}
  .eb-main[data-reader-mode=book] .eb-body img,.eb-main[data-reader-mode=book] .eb-body figure img{max-height:none}
}