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(function () { |
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function init() { |
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document.querySelectorAll('.bkbg-cnv-app').forEach(function (el) { |
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if (el.dataset.rendered) return; |
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el.dataset.rendered = '1'; |
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var opts; |
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try { opts = JSON.parse(el.dataset.opts || '{}'); } catch (e) { opts = {}; } |
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var o = Object.assign({ |
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seriesTitle: 'Series', |
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currentPart: 1, |
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totalParts: 1, |
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currentTitle: 'Current Chapter', |
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prevTitle: '', |
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prevUrl: '', |
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nextTitle: '', |
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nextUrl: '', |
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chapters: [], |
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showChapterList: true, |
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chapterListOpen: false, |
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showProgress: true, |
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style: 'card', |
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openInNewTab: false, |
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partLabel: 'Part', |
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bgColor: '#ffffff', |
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borderColor: '#e2e8f0', |
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accentColor: '#6366f1', |
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seriesTitleColor: '#374151', |
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currentTitleColor: '#111827', |
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progressBg: '#e2e8f0', |
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progressFill: '#6366f1', |
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btnBg: '#f1f5f9', |
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btnColor: '#374151', |
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pillBg: '#eef2ff', |
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pillColor: '#4f46e5', |
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chapterListBg: '#f8fafc', |
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activeChapterBg: '#eef2ff', |
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activeChapterColor: '#4f46e5', |
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borderRadius: 10, |
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paddingTop: 0, |
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paddingBottom: 0 |
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}, opts); |
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|
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function typoCssVarsForEl(typo, prefix, el) { |
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if (!typo) return; |
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if (typo.family) el.style.setProperty(prefix + 'font-family', "'" + typo.family + "', sans-serif"); |
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if (typo.weight) el.style.setProperty(prefix + 'font-weight', typo.weight); |
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if (typo.transform) el.style.setProperty(prefix + 'text-transform', typo.transform); |
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if (typo.style) el.style.setProperty(prefix + 'font-style', typo.style); |
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if (typo.decoration) el.style.setProperty(prefix + 'text-decoration', typo.decoration); |
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var su = typo.sizeUnit || 'px'; |
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if (typo.sizeDesktop !== '' && typo.sizeDesktop != null) el.style.setProperty(prefix + 'font-size-d', typo.sizeDesktop + su); |
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if (typo.sizeTablet !== '' && typo.sizeTablet != null) el.style.setProperty(prefix + 'font-size-t', typo.sizeTablet + su); |
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if (typo.sizeMobile !== '' && typo.sizeMobile != null) el.style.setProperty(prefix + 'font-size-m', typo.sizeMobile + su); |
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var lhu = typo.lineHeightUnit || ''; |
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if (typo.lineHeightDesktop !== '' && typo.lineHeightDesktop != null) el.style.setProperty(prefix + 'line-height-d', typo.lineHeightDesktop + lhu); |
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if (typo.lineHeightTablet !== '' && typo.lineHeightTablet != null) el.style.setProperty(prefix + 'line-height-t', typo.lineHeightTablet + lhu); |
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if (typo.lineHeightMobile !== '' && typo.lineHeightMobile != null) el.style.setProperty(prefix + 'line-height-m', typo.lineHeightMobile + lhu); |
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var lsu = typo.letterSpacingUnit || 'px'; |
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if (typo.letterSpacingDesktop !== '' && typo.letterSpacingDesktop != null) el.style.setProperty(prefix + 'letter-spacing-d', typo.letterSpacingDesktop + lsu); |
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if (typo.letterSpacingTablet !== '' && typo.letterSpacingTablet != null) el.style.setProperty(prefix + 'letter-spacing-t', typo.letterSpacingTablet + lsu); |
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if (typo.letterSpacingMobile !== '' && typo.letterSpacingMobile != null) el.style.setProperty(prefix + 'letter-spacing-m', typo.letterSpacingMobile + lsu); |
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var wsu = typo.wordSpacingUnit || 'px'; |
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if (typo.wordSpacingDesktop !== '' && typo.wordSpacingDesktop != null) el.style.setProperty(prefix + 'word-spacing-d', typo.wordSpacingDesktop + wsu); |
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if (typo.wordSpacingTablet !== '' && typo.wordSpacingTablet != null) el.style.setProperty(prefix + 'word-spacing-t', typo.wordSpacingTablet + wsu); |
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if (typo.wordSpacingMobile !== '' && typo.wordSpacingMobile != null) el.style.setProperty(prefix + 'word-spacing-m', typo.wordSpacingMobile + wsu); |
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} |
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|
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var target = o.openInNewTab ? '_blank' : '_self'; |
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var progress = Math.round((o.currentPart / o.totalParts) * 100); |
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|
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var wrap = document.createElement('div'); |
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wrap.className = 'bkbg-cnv-wrap bkbg-cnv-' + o.style; |
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wrap.style.cssText = 'background:' + o.bgColor + ';padding-top:' + o.paddingTop + 'px;padding-bottom:' + o.paddingBottom + 'px;'; |
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|
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if (o.style === 'card') { |
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wrap.style.cssText += 'border:1px solid ' + o.borderColor + ';border-radius:' + o.borderRadius + 'px;box-shadow:0 2px 8px rgba(0,0,0,.06);overflow:hidden;'; |
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} else if (o.style === 'banner') { |
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wrap.style.cssText += 'border-left:4px solid ' + o.accentColor + ';border:1px solid ' + o.borderColor + ';border-left-width:4px;border-radius:' + o.borderRadius + 'px;overflow:hidden;'; |
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} else { |
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wrap.style.cssText += 'border-top:2px solid ' + o.accentColor + ';padding-top:16px;'; |
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} |
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|
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/* Header */ |
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var hdr = document.createElement('div'); |
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hdr.className = 'bkbg-cnv-header'; |
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hdr.style.cssText = 'padding:16px 20px;' + (o.style !== 'minimal' ? 'border-bottom:1px solid ' + o.borderColor + ';' : ''); |
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|
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var meta = document.createElement('div'); |
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meta.className = 'bkbg-cnv-meta'; |
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meta.style.cssText = 'display:flex;align-items:center;gap:10px;margin-bottom:6px;flex-wrap:wrap;'; |
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|
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var pill = document.createElement('span'); |
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pill.className = 'bkbg-cnv-pill'; |
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pill.style.cssText = 'background:' + o.pillBg + ';color:' + o.pillColor + ';padding:3px 10px;border-radius:20px;font-size:12px;font-weight:600;'; |
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pill.textContent = o.partLabel + ' ' + o.currentPart + ' of ' + o.totalParts; |
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|
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var series = document.createElement('span'); |
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series.className = 'bkbg-cnv-series'; |
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series.style.cssText = 'font-size:13px;color:' + o.seriesTitleColor + ';'; |
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series.textContent = o.seriesTitle; |
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|
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meta.appendChild(pill); |
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meta.appendChild(series); |
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hdr.appendChild(meta); |
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|
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var cTitle = document.createElement('h3'); |
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cTitle.className = 'bkbg-cnv-current-title'; |
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cTitle.style.cssText = 'margin:0;color:' + o.currentTitleColor + ';'; |
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cTitle.textContent = o.currentTitle; |
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hdr.appendChild(cTitle); |
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|
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if (o.showProgress) { |
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var pWrap = document.createElement('div'); |
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pWrap.className = 'bkbg-cnv-progress-wrap'; |
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pWrap.style.marginTop = '10px'; |
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|
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var pBar = document.createElement('div'); |
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pBar.className = 'bkbg-cnv-progress-bar'; |
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pBar.style.cssText = 'background:' + o.progressBg + ';border-radius:4px;height:6px;overflow:hidden;'; |
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|
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var pFill = document.createElement('div'); |
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pFill.className = 'bkbg-cnv-progress-fill'; |
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pFill.style.cssText = 'background:' + o.progressFill + ';width:' + progress + '%;height:100%;border-radius:4px;'; |
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|
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var pLbl = document.createElement('div'); |
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pLbl.className = 'bkbg-cnv-progress-label'; |
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pLbl.style.cssText = 'font-size:11px;margin-top:4px;opacity:.8;color:' + o.seriesTitleColor + ';'; |
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pLbl.textContent = progress + '% through the series'; |
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|
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pBar.appendChild(pFill); |
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pWrap.appendChild(pBar); |
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pWrap.appendChild(pLbl); |
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hdr.appendChild(pWrap); |
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} |
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|
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wrap.appendChild(hdr); |
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|
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/* Nav row */ |
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var nav = document.createElement('div'); |
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nav.className = 'bkbg-cnv-nav'; |
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nav.style.cssText = 'display:flex;gap:10px;padding:14px 20px;flex-wrap:wrap;'; |
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|
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if (o.prevTitle) { |
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var prevBtn = document.createElement('a'); |
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prevBtn.className = 'bkbg-cnv-btn'; |
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prevBtn.href = o.prevUrl || '#'; |
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prevBtn.target = target; |
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if (o.openInNewTab) prevBtn.rel = 'noopener noreferrer'; |
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prevBtn.style.cssText = 'flex:1;min-width:160px;background:' + o.btnBg + ';color:' + o.btnColor + ';padding:10px 14px;border-radius:6px;font-size:13px;text-decoration:none;display:flex;flex-direction:column;gap:2px;'; |
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prevBtn.innerHTML = '<span style="font-size:11px;opacity:.7;">← Previous</span><span style="font-weight:600;">' + esc(o.prevTitle) + '</span>'; |
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nav.appendChild(prevBtn); |
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} |
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if (o.nextTitle) { |
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var nextBtn = document.createElement('a'); |
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nextBtn.className = 'bkbg-cnv-btn bkbg-cnv-btn-next'; |
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nextBtn.href = o.nextUrl || '#'; |
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nextBtn.target = target; |
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if (o.openInNewTab) nextBtn.rel = 'noopener noreferrer'; |
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nextBtn.style.cssText = 'flex:1;min-width:160px;background:' + o.accentColor + ';color:#fff;padding:10px 14px;border-radius:6px;font-size:13px;text-decoration:none;display:flex;flex-direction:column;gap:2px;text-align:right;'; |
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nextBtn.innerHTML = '<span style="font-size:11px;opacity:.8;">Next →</span><span style="font-weight:600;">' + esc(o.nextTitle) + '</span>'; |
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nav.appendChild(nextBtn); |
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} |
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wrap.appendChild(nav); |
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|
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/* Chapter list */ |
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if (o.showChapterList && o.chapters && o.chapters.length) { |
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var details = document.createElement('details'); |
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if (o.chapterListOpen) details.open = true; |
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details.style.cssText = 'border-top:1px solid ' + o.borderColor + ';'; |
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|
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var summary = document.createElement('summary'); |
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summary.className = 'bkbg-cnv-summary'; |
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summary.style.cssText = 'padding:12px 20px;cursor:pointer;font-size:13px;font-weight:600;list-style:none;display:flex;align-items:center;justify-content:space-between;background:' + o.chapterListBg + ';color:' + o.seriesTitleColor + ';'; |
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summary.innerHTML = '<span>All ' + o.totalParts + ' chapters</span><span class="bkbg-cnv-arrow" style="transition:transform .25s;font-style:normal;display:inline-block;">▾</span>'; |
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|
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var ul = document.createElement('ol'); |
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ul.className = 'bkbg-cnv-list'; |
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ul.style.cssText = 'margin:0;padding:8px 0;list-style:none;background:' + o.chapterListBg + ';'; |
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|
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o.chapters.forEach(function (ch, i) { |
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var isActive = (i + 1) === o.currentPart; |
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var li = document.createElement('li'); |
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li.className = 'bkbg-cnv-list-item'; |
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li.style.cssText = 'padding:8px 20px 8px 44px;position:relative;font-size:13px;' + (isActive ? 'background:' + o.activeChapterBg + ';' : ''); |
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|
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var num = document.createElement('span'); |
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num.className = 'bkbg-cnv-item-num'; |
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num.style.cssText = 'position:absolute;left:20px;font-weight:700;color:' + (isActive ? o.activeChapterColor : o.seriesTitleColor) + ';'; |
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num.textContent = (i + 1) + '.'; |
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li.appendChild(num); |
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|
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if (ch.url && !isActive) { |
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var link = document.createElement('a'); |
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link.className = 'bkbg-cnv-item-link'; |
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link.href = ch.url; |
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link.target = target; |
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if (o.openInNewTab) link.rel = 'noopener noreferrer'; |
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link.style.cssText = 'color:' + o.seriesTitleColor + ';text-decoration:none;'; |
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link.textContent = ch.title; |
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li.appendChild(link); |
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} else { |
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var span = document.createElement('span'); |
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span.style.cssText = 'color:' + (isActive ? o.activeChapterColor : o.seriesTitleColor) + ';font-weight:' + (isActive ? '600' : '400') + ';'; |
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span.textContent = ch.title; |
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li.appendChild(span); |
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} |
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|
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if (isActive) { |
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var badge = document.createElement('span'); |
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badge.className = 'bkbg-cnv-current-badge'; |
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badge.style.cssText = 'margin-left:8px;font-size:11px;padding:1px 7px;background:' + o.accentColor + ';color:#fff;border-radius:10px;font-weight:600;'; |
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badge.textContent = 'Current'; |
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li.appendChild(badge); |
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} |
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ul.appendChild(li); |
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}); |
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|
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details.appendChild(summary); |
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details.appendChild(ul); |
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wrap.appendChild(details); |
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} |
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|
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typoCssVarsForEl(o.typoTitle, '--bkbg-cnv-tt-', wrap); |
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|
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el.parentNode.insertBefore(wrap, el); |
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}); |
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} |
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|
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function esc(str) { |
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return String(str || '').replace(/&/g, '&').replace(/</g, '<').replace(/>/g, '>').replace(/"/g, '"'); |
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} |
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|
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if (document.readyState !== 'loading') { init(); } |
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else { document.addEventListener('DOMContentLoaded', init); } |
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})(); |
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|
