:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;--brand:#00a4c0;--brand-dark:#006565;--background:#fff;--surface:#f9f9f9;--surface-low:#f3f3f3;--surface-high:#e8e8e8;--surface-variant:#e2e2e2;--text:#1a1c1c;--muted:#3e4949;--outline:#bdc9c8;--outline-strong:#6e7979;--error:#ba1a1a;--content-max:800px;--sidebar-width:320px;--header-height:64px;--shadow-book:0 10px 30px -5px #0000001a, 0 20px 60px -10px #0000000d}*{box-sizing:border-box}html{scroll-behavior:smooth;min-height:100%}body{background:var(--background);color:var(--text);-webkit-font-smoothing:antialiased;min-height:100%;margin:0;font-family:ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;overflow-x:hidden}a{color:inherit}button,input{font:inherit}button{border:0}img{display:block}.srOnly{clip-path:inset(50%);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.iconSvg{flex:none;width:22px;height:22px;display:inline-block}.readerApp{background:var(--background);color:var(--text);min-height:100vh}.readerProgressTrack{background:var(--surface-low);z-index:100;height:4px;position:fixed;top:0;left:0;right:0}.readerProgressBar{background:var(--brand);height:100%;transition:width .12s ease-out}.coverLanding{flex-direction:column;justify-content:center;align-items:center;gap:36px;min-height:100vh;padding:32px 16px;display:flex}.coverBookFrame{justify-content:center;align-items:center;width:100%;display:flex}.coverBook{box-shadow:var(--shadow-book);object-fit:contain;border-radius:2px;width:auto;height:min(70vh,720px);max-height:calc(100vh - 220px)}.coverActions{flex-direction:column;align-items:center;gap:20px;display:flex}.coverCta{background:var(--brand);color:#fff;cursor:pointer;border-radius:12px;align-items:center;gap:12px;padding:16px 48px;font-size:20px;font-weight:600;line-height:28px;transition:filter .18s,padding .18s,transform .18s;display:inline-flex}.coverCta:hover{filter:brightness(1.08);padding-left:56px;padding-right:56px}.coverCta:active{transform:scale(.98)}.coverCta:disabled{cursor:wait;opacity:.55}.coverActions p{color:var(--outline-strong);letter-spacing:.08em;text-align:center;text-transform:uppercase;margin:0;font-size:13px;font-weight:500;line-height:16px}.readerHeader{border-bottom:1px solid var(--surface-variant);height:var(--header-height);z-index:80;background:#fff;grid-template-columns:auto minmax(260px,440px) auto;align-items:center;gap:24px;padding:0 48px;display:grid;position:fixed;top:4px;left:0;right:0}.readerBrand{color:var(--brand);letter-spacing:0;white-space:nowrap;align-items:baseline;gap:8px;font-size:32px;font-weight:800;line-height:1;display:inline-flex}.readerBrand strong{color:var(--text);font-size:18px;font-weight:700}.readerSearch{background:var(--surface-low);border:1px solid var(--outline);border-radius:8px;grid-template-columns:auto minmax(0,1fr) auto;align-items:center;min-width:0;height:40px;padding:0 4px 0 14px;display:grid}.readerSearch input{color:var(--text);background:0 0;border:0;outline:0;min-width:0;padding:0 10px;font-size:14px}.readerSearch input::placeholder{color:var(--muted)}.searchIcon{color:var(--muted);width:20px;height:20px}.readerTools{justify-content:flex-end;align-items:center;gap:16px;display:flex}.fontControls{background:var(--surface-low);border:1px solid var(--outline);border-radius:8px;align-items:center;display:flex;overflow:hidden}.fontControls button,.iconButton{color:var(--brand);cursor:pointer;background:0 0;justify-content:center;align-items:center;min-height:38px;font-weight:800;transition:background .16s,color .16s;display:inline-flex}.fontControls button{min-width:46px;padding:0 12px}.fontControls button+button{border-left:1px solid var(--outline)}.fontControls button:hover,.iconButton:hover{background:var(--surface-variant)}.iconButton{border-radius:8px;min-width:38px}.searchSubmit{color:var(--muted)}.mobileMenuButton{color:var(--muted);display:none}.mobileMenuOverlay{z-index:110;position:fixed;inset:0}.mobileMenuBackdrop{background:#00000047;position:absolute;inset:0}.mobileMenuPanel{background:var(--surface-low);border-left:1px solid var(--outline);flex-direction:column;gap:20px;width:100%;max-width:min(420px,100vw);padding:20px;display:flex;position:absolute;top:0;bottom:0;right:0;overflow-y:auto}.mobileMenuHeader{justify-content:space-between;align-items:center;gap:16px;display:flex}.mobileMenuHeader h2{color:var(--brand);margin:0;font-size:24px;line-height:32px}.mobileSearch{grid-template-columns:auto minmax(0,1fr) auto;display:grid;position:static}.readerLayout{grid-template-columns:minmax(0, 1fr) var(--sidebar-width);min-height:100vh;padding-top:calc(var(--header-height) + 4px);background:#fff;display:grid;position:relative}.readerLayout:before{background:var(--brand);content:"";z-index:70;width:4px;position:fixed;top:4px;bottom:0;left:0}.sectionPanel{max-width:calc(var(--content-max) + 96px);min-height:calc(100vh - var(--header-height));width:100%;margin:0 auto;padding:48px}.sectionPanel[aria-busy=true]{opacity:.72}.chapterHeader{margin-bottom:48px}.chapterPart{color:var(--brand);letter-spacing:.12em;text-transform:uppercase;margin:0 0 16px;font-size:14px;font-weight:800;line-height:18px}.chapterHeader h1{color:var(--brand);letter-spacing:0;margin:0;font-size:36px;font-weight:600;line-height:1.12}.chapterRule{background:var(--brand);width:48px;height:2px;margin-top:24px}.blockList,.chapterBlockList{gap:32px;display:grid}.chapterSection{scroll-margin-top:96px}.chapterSection h2{border-bottom:1px solid var(--surface-variant);color:var(--brand);margin:32px 0 0;padding-bottom:10px;font-size:24px;font-weight:700;line-height:1.32}.textBlock p{color:var(--text);margin:0;font-size:1.125em;font-weight:400;line-height:1.78}.chapterLeadSection .textBlock p{color:var(--muted);font-size:1.35em;font-style:italic;font-weight:600;line-height:1.45}.loadingCopy{color:var(--muted);margin:0;font-size:18px;line-height:32px}.searchResultsPanel{background:var(--surface-low);border:1px solid var(--outline);border-radius:12px;margin-top:56px;padding:24px}.searchResultsHeader{justify-content:space-between;align-items:baseline;gap:16px;display:flex}.searchResultsPanel h2{color:var(--text);margin:0;font-size:20px;font-weight:700;line-height:28px}.subtle{color:var(--muted);margin:0;font-size:13px;font-weight:700;line-height:16px}.resultsList{gap:12px;margin-top:18px;display:grid}.resultCard{border:1px solid var(--outline);color:var(--muted);background:#fff;border-radius:8px;gap:6px;padding:14px 16px;line-height:1.45;text-decoration:none;display:grid}.resultCard:hover{border-color:var(--brand)}.resultCard strong{color:var(--brand);font-size:13px;font-weight:800}.navRow{border-top:1px solid var(--surface-variant);justify-content:space-between;align-items:center;margin-top:80px;padding-top:32px;display:flex}.readerNavButton{border:1px solid var(--outline);border-radius:12px;align-items:center;gap:12px;min-height:52px;padding:12px 24px;font-size:17px;font-weight:600;line-height:24px;text-decoration:none;transition:background .16s,border-color .16s,color .16s,transform .16s;display:inline-flex}.readerNavButtonNext{background:var(--brand);border-color:var(--brand);color:#fff}.readerNavButtonPrevious{color:var(--muted);background:0 0}.readerNavButton:hover{transform:translateY(-1px)}.tocPanel{background:var(--surface-low);border-left:1px solid var(--surface-variant);height:calc(100vh - var(--header-height) - 4px);top:calc(var(--header-height) + 4px);flex-direction:column;align-self:start;padding:24px;display:flex;position:sticky;overflow-y:auto}.tocPanel h2{color:var(--brand);margin:0 0 4px;font-size:24px;font-weight:800;line-height:32px}.tocPanel>p{color:var(--muted);margin:0 0 28px;font-size:14px;font-weight:600;line-height:20px}.tocPanel nav,.tocPart,.tocChapter{gap:12px;display:grid}.tocPart+.tocPart{border-top:1px solid var(--outline);padding-top:18px}.tocPart h3{color:var(--muted);letter-spacing:.08em;text-transform:uppercase;margin:0 0 2px;font-size:11px;font-weight:800;line-height:16px}.tocChapterLink{color:var(--muted);border-radius:12px;grid-template-columns:auto minmax(0,1fr);align-items:center;gap:12px;padding:12px 14px;font-size:15px;font-weight:600;line-height:1.35;text-decoration:none;transition:background .16s,color .16s,transform .16s;display:grid}.tocChapterLink .iconSvg{font-size:22px}.tocChapterLink:hover{background:var(--surface-variant)}.tocChapterLink.active{background:var(--brand);color:#fff;font-weight:800;box-shadow:0 0 0 4px #00a4c01a}.tocChapterTitle{color:var(--muted);margin:0;padding:10px 14px;font-size:15px;font-weight:700;line-height:20px}.tocSections{border-left:2px solid var(--outline);gap:4px;margin-left:24px;padding-left:12px;display:grid}.tocLink{color:var(--muted);border-radius:8px;padding:8px 10px;font-size:13px;font-weight:600;line-height:18px;text-decoration:none}.tocLink:hover,.tocLink.active{color:var(--brand-dark);background:#00a4c01a}.readingMeta{border-top:1px solid var(--surface-variant);color:var(--muted);letter-spacing:.06em;text-transform:uppercase;justify-content:space-between;margin-top:auto;padding-top:24px;font-size:11px;font-weight:800;line-height:16px;display:flex}.readingMeta strong{color:var(--brand)}.statusPanel{border:1px solid var(--outline);z-index:120;background:#fff;border-radius:8px;width:calc(100vw - 32px);max-width:520px;padding:32px;position:fixed;top:50%;left:50%;transform:translate(-50%,-50%)}.statusPanel h2{color:var(--error);margin:0 0 12px;font-size:24px;line-height:32px}.statusPanel p{color:var(--muted);margin:0;line-height:24px}@media (max-width:1023px){.readerHeader{padding:0 24px}.readerLayout{grid-template-columns:minmax(0,1fr)}.tocPanel{display:none}.sectionPanel{max-width:var(--content-max);padding:48px 24px 72px}.mobileMenuButton{display:inline-flex}}@media (max-width:700px){.coverLanding{gap:32px;padding:32px 16px}.coverBook{height:min(62vh,560px);max-height:calc(100vh - 190px)}.coverCta{padding:14px 28px;font-size:18px;line-height:24px}.coverCta:hover{padding-left:32px;padding-right:32px}.readerHeader{grid-template-columns:minmax(0,1fr) auto;gap:12px;padding:0 16px}.readerBrand{font-size:24px}.readerBrand strong{font-size:15px}.readerSearch{display:none}.readerTools{gap:8px}.fontControls button{min-width:40px;padding:0 8px}.sectionPanel{padding:40px 16px 64px}.chapterHeader{margin-bottom:36px}.chapterHeader h1{font-size:30px;line-height:1.16}.chapterPart{font-size:12px;line-height:16px}.chapterBlockList{gap:26px}.chapterSection h2{font-size:22px}.textBlock p{font-size:1.0625em;line-height:1.7}.chapterLeadSection .textBlock p{font-size:1.12em;line-height:1.52}.navRow{align-items:stretch;gap:12px}.readerNavButton{flex:1;justify-content:center;min-width:0;padding:12px 14px;font-size:15px}}