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(function () { |
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'use strict'; |
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|
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function typoCssVarsForEl(typo, prefix, el) { |
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if (!typo || typeof typo !== 'object') return; |
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var m = { family:'font-family', weight:'font-weight', transform:'text-transform', style:'font-style', decoration:'text-decoration', |
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sizeDesktop:'font-size-d', sizeTablet:'font-size-t', sizeMobile:'font-size-m', |
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lineHeightDesktop:'line-height-d', lineHeightTablet:'line-height-t', lineHeightMobile:'line-height-m', |
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letterSpacingDesktop:'letter-spacing-d', letterSpacingTablet:'letter-spacing-t', letterSpacingMobile:'letter-spacing-m', |
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wordSpacingDesktop:'word-spacing-d', wordSpacingTablet:'word-spacing-t', wordSpacingMobile:'word-spacing-m' }; |
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Object.keys(m).forEach(function (k) { |
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if (typo[k] !== undefined && typo[k] !== '') { |
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var v = typo[k], u = typo[k + 'Unit'] || ''; |
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if (/Desktop|Tablet|Mobile/.test(k) && typeof v === 'number') v = v + (u || 'px'); |
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el.style.setProperty(prefix + m[k], '' + v); |
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} |
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}); |
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} |
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|
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function calcSalePrice(orig, pct) { |
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var savings = orig * (pct / 100); |
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var sale = orig - savings; |
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return { orig: orig, sale: sale, savings: savings, pct: pct }; |
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} |
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function calcDiscountPct(orig, sale) { |
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if (orig <= 0) return { orig: orig, sale: sale, savings: 0, pct: 0 }; |
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var savings = orig - sale; |
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var pct = (savings / orig) * 100; |
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return { orig: orig, sale: sale, savings: savings, pct: pct }; |
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} |
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function calcOrigPrice(sale, pct) { |
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if (pct >= 100) return { orig: sale, sale: sale, savings: 0, pct: pct }; |
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var orig = sale / (1 - pct / 100); |
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var savings = orig - sale; |
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return { orig: orig, sale: sale, savings: savings, pct: pct }; |
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} |
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|
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function fmtM(val, cur, pos) { |
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var s = parseFloat(val).toFixed(2); |
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return pos === 'after' ? s + cur : cur + s; |
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} |
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|
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function makeEl(tag, attrs, children) { |
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var el = document.createElement(tag); |
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if (attrs) { |
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Object.keys(attrs).forEach(function (k) { |
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if (k === 'className') { el.className = attrs[k]; } |
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else if (k === 'style') { Object.assign(el.style, attrs[k]); } |
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else if (k.startsWith('data-')) { el.setAttribute(k, attrs[k]); } |
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else { el[k] = attrs[k]; } |
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}); |
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} |
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if (children) { |
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(Array.isArray(children) ? children : [children]).forEach(function (c) { |
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if (c == null || c === false) return; |
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el.appendChild(typeof c === 'string' ? document.createTextNode(c) : c); |
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}); |
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} |
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return el; |
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} |
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|
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var MODE_LABELS = { |
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sale_price: 'Find Sale Price', |
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discount_pct: 'Find Discount %', |
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orig_price: 'Find Original Price' |
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}; |
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|
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function buildApp(app) { |
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var opts = {}; |
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try { opts = JSON.parse(app.getAttribute('data-opts') || '{}'); } catch (e) {} |
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|
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var o = opts; |
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var mode = o.mode || 'sale_price'; |
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var currency = o.currency || '$'; |
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var curPos = o.currencyPos || 'before'; |
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var origVal = parseFloat(o.defaultOriginal) || 200; |
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var pctVal = parseFloat(o.defaultDiscount) || 25; |
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var saleVal = parseFloat(o.defaultSale) || 150; |
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|
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app.innerHTML = ''; |
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app.style.fontFamily = 'inherit'; |
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app.style.boxSizing = 'border-box'; |
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|
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/* Typography CSS vars */ |
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app.style.setProperty('--bkbg-disc-ttl-fs', (o.titleSize || 28) + 'px'); |
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if (o.typoTitle) typoCssVarsForEl(o.typoTitle, '--bkbg-disc-ttl-', app); |
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if (o.typoSubtitle) typoCssVarsForEl(o.typoSubtitle, '--bkbg-disc-sub-', app); |
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|
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// Section wrapper |
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var section = makeEl('div', { style: { |
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paddingTop: (o.paddingTop || 60) + 'px', |
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paddingBottom: (o.paddingBottom || 60) + 'px', |
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background: o.sectionBg || '' |
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}}); |
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|
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var card = makeEl('div', { className: 'bkbg-disc-card', style: { |
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background: o.cardBg || '#ffffff', |
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borderRadius: (o.cardRadius || 16) + 'px', |
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padding: '36px 32px', |
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maxWidth: (o.maxWidth || 520) + 'px', |
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margin: '0 auto', |
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boxShadow: '0 4px 24px rgba(0,0,0,0.09)' |
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}}); |
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section.appendChild(card); |
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app.appendChild(section); |
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|
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// Title / subtitle |
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if (o.showTitle || o.showSubtitle) { |
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var hdr = makeEl('div', { style: { marginBottom: '20px' } }); |
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if (o.showTitle) { |
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hdr.appendChild(makeEl('div', { className: 'bkbg-disc-title', style: { |
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color: o.titleColor || '#1e1b4b' |
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}}, [o.title || 'Discount Calculator'])); |
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} |
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if (o.showSubtitle) { |
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hdr.appendChild(makeEl('div', { className: 'bkbg-disc-subtitle', style: { |
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color: o.subtitleColor || '#6b7280' |
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}}, [o.subtitle || ''])); |
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} |
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card.appendChild(hdr); |
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} |
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|
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// Mode tabs |
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var tabRow = makeEl('div', { style: { display: 'flex', gap: '8px', marginBottom: '24px', flexWrap: 'wrap' } }); |
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var modeBtns = {}; |
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['sale_price', 'discount_pct', 'orig_price'].forEach(function (m) { |
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var btn = makeEl('button', { type: 'button', className: 'bkbg-disc-mode-btn', style: { |
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flex: '1 1 auto', |
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padding: '9px 14px', |
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borderRadius: '8px', |
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border: '2px solid ' + (mode === m ? (o.accentColor || '#6c3fb5') : '#e5e7eb'), |
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background: mode === m ? (o.accentColor || '#6c3fb5') : 'transparent', |
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color: mode === m ? '#fff' : (o.accentColor || '#6c3fb5'), |
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fontWeight: 600, fontSize: '13px', cursor: 'pointer', transition: 'all .15s' |
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}}, [MODE_LABELS[m]]); |
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modeBtns[m] = btn; |
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btn.addEventListener('click', function () { |
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mode = m; |
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refreshTabs(); |
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buildInputs(); |
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update(); |
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}); |
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tabRow.appendChild(btn); |
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}); |
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card.appendChild(tabRow); |
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|
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// Inputs container |
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var inputsContainer = makeEl('div', { style: { marginBottom: '24px' } }); |
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card.appendChild(inputsContainer); |
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|
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// Result card |
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var resultCard = makeEl('div', { className: 'bkbg-disc-result', style: { |
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background: o.resultBg || '#f5f3ff', |
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border: '2px solid ' + (o.resultBorder || '#ede9fe'), |
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borderRadius: (o.cardRadius || 16) + 'px', |
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padding: '24px 28px', |
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textAlign: 'center' |
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}}); |
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card.appendChild(resultCard); |
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|
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// Shared input references |
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var origInput, pctInput, saleInput; |
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|
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function makeMoneyInput(labelText, initVal, onCh) { |
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var row = makeEl('div', { className: 'bkbg-disc-input-row', style: { marginBottom: '14px' } }); |
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var lbl = makeEl('label', { style: { display: 'block', fontSize: '13px', fontWeight: 600, color: o.labelColor || '#374151', marginBottom: '5px' } }, [labelText]); |
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row.appendChild(lbl); |
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var flex = makeEl('div', { style: { display: 'flex', alignItems: 'center', gap: '8px' } }); |
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if (curPos === 'before') { |
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flex.appendChild(makeEl('span', { style: { color: o.labelColor || '#374151', fontWeight: 700, fontSize: '16px' } }, [currency])); |
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} |
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var inp = makeEl('input', { type: 'number', value: initVal, min: '0', step: '0.01', style: { |
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flex: '1', padding: '10px 14px', |
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borderRadius: (o.inputRadius || 8) + 'px', |
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border: '1.5px solid #e5e7eb', fontSize: '16px', outline: 'none' |
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}}); |
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inp.addEventListener('focus', function () { inp.style.borderColor = o.accentColor || '#6c3fb5'; inp.style.boxShadow = '0 0 0 3px rgba(108,63,181,.15)'; }); |
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inp.addEventListener('blur', function () { inp.style.borderColor = '#e5e7eb'; inp.style.boxShadow = ''; }); |
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inp.addEventListener('input', function () { onCh(parseFloat(inp.value) || 0); update(); }); |
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flex.appendChild(inp); |
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if (curPos === 'after') { |
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flex.appendChild(makeEl('span', { style: { color: o.labelColor || '#374151', fontWeight: 700, fontSize: '16px' } }, [currency])); |
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} |
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row.appendChild(flex); |
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return { row: row, inp: inp }; |
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} |
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|
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function makePctInput(labelText, initVal, onCh) { |
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var row = makeEl('div', { className: 'bkbg-disc-input-row', style: { marginBottom: '14px' } }); |
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var lbl = makeEl('label', { style: { display: 'block', fontSize: '13px', fontWeight: 600, color: o.labelColor || '#374151', marginBottom: '5px' } }, [labelText]); |
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row.appendChild(lbl); |
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var flex = makeEl('div', { style: { display: 'flex', alignItems: 'center', gap: '8px' } }); |
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var inp = makeEl('input', { type: 'number', value: initVal, min: '0', max: '100', step: '0.1', style: { |
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flex: '1', padding: '10px 14px', |
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borderRadius: (o.inputRadius || 8) + 'px', |
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border: '1.5px solid #e5e7eb', fontSize: '16px', outline: 'none' |
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}}); |
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inp.addEventListener('focus', function () { inp.style.borderColor = o.accentColor || '#6c3fb5'; inp.style.boxShadow = '0 0 0 3px rgba(108,63,181,.15)'; }); |
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inp.addEventListener('blur', function () { inp.style.borderColor = '#e5e7eb'; inp.style.boxShadow = ''; }); |
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inp.addEventListener('input', function () { onCh(parseFloat(inp.value) || 0); update(); }); |
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flex.appendChild(inp); |
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flex.appendChild(makeEl('span', { style: { color: o.labelColor || '#374151', fontWeight: 700, fontSize: '16px' } }, ['%'])); |
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row.appendChild(flex); |
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return { row: row, inp: inp }; |
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} |
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|
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function buildInputs() { |
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inputsContainer.innerHTML = ''; |
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origInput = pctInput = saleInput = null; |
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|
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if (mode === 'sale_price' || mode === 'discount_pct') { |
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var origPair = makeMoneyInput('Original Price', origVal, function (v) { origVal = v; }); |
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inputsContainer.appendChild(origPair.row); |
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origInput = origPair.inp; |
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} |
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if (mode === 'sale_price' || mode === 'orig_price') { |
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var pctPair = makePctInput('Discount Percentage', pctVal, function (v) { pctVal = v; }); |
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inputsContainer.appendChild(pctPair.row); |
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pctInput = pctPair.inp; |
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} |
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if (mode === 'discount_pct' || mode === 'orig_price') { |
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var salePair = makeMoneyInput('Sale Price', saleVal, function (v) { saleVal = v; }); |
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inputsContainer.appendChild(salePair.row); |
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saleInput = salePair.inp; |
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} |
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} |
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|
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function getResult() { |
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if (mode === 'sale_price') return calcSalePrice(origVal, pctVal); |
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if (mode === 'discount_pct') return calcDiscountPct(origVal, saleVal); |
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return calcOrigPrice(saleVal, pctVal); |
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} |
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|
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function update() { |
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var r = getResult(); |
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var badgePct = Math.round(r.pct * 10) / 10; |
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var savingsFrac = r.orig > 0 ? Math.min(1, r.savings / r.orig) : 0; |
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var accentC = o.accentColor || '#6c3fb5'; |
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var saleSz = o.salePriceSize || 56; |
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var salePriceC = o.salePriceColor || '#6c3fb5'; |
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var origPriceC = o.origPriceColor || '#9ca3af'; |
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var savingsC = o.savingsColor || '#10b981'; |
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var badgeBg = o.badgeBg || '#ef4444'; |
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var badgeClr = o.badgeColor || '#ffffff'; |
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var barFillC = o.barFill || '#10b981'; |
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var barBgC = o.barBg || '#e5e7eb'; |
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var labelC = o.labelColor || '#374151'; |
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|
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resultCard.innerHTML = ''; |
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|
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if (o.showBadge && r.pct > 0) { |
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resultCard.appendChild(makeEl('div', { className: 'bkbg-disc-badge', style: { |
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background: badgeBg, color: badgeClr, |
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fontWeight: 800, fontSize: '14px', |
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padding: '4px 14px', borderRadius: '100px', |
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marginBottom: '14px', display: 'inline-block', letterSpacing: '.03em' |
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}}, [badgePct + '% OFF'])); |
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} |
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|
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resultCard.appendChild(makeEl('div', { className: 'bkbg-disc-sale-price', style: { |
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fontSize: saleSz + 'px', fontWeight: 800, |
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color: salePriceC, lineHeight: '1.1', marginBottom: '6px' |
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}}, [fmtM(r.sale, currency, curPos)])); |
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|
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if (r.orig !== r.sale) { |
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resultCard.appendChild(makeEl('div', { className: 'bkbg-disc-orig-price', style: { |
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fontSize: Math.round(saleSz * 0.4) + 'px', |
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color: origPriceC, textDecoration: 'line-through', marginBottom: '10px' |
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}}, [fmtM(r.orig, currency, curPos)])); |
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} |
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|
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if (r.savings > 0) { |
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resultCard.appendChild(makeEl('div', { style: { |
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fontSize: '16px', fontWeight: 700, color: savingsC, marginBottom: '16px' |
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}}, ['You Save: ' + fmtM(r.savings, currency, curPos)])); |
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} |
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|
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if (o.showSavingsBar && r.orig > 0) { |
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var barLabels = makeEl('div', { style: { fontSize: '12px', color: labelC, marginBottom: '6px', display: 'flex', justifyContent: 'space-between' } }, |
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[makeEl('span', null, ['Original']), makeEl('span', null, ['Savings'])]); |
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resultCard.appendChild(barLabels); |
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var track = makeEl('div', { className: 'bkbg-disc-bar-track', style: { height: '10px', borderRadius: '100px', background: barBgC, overflow: 'hidden' } }); |
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var fill = makeEl('div', { className: 'bkbg-disc-bar-fill', style: { height: '100%', width: '0%', background: barFillC, borderRadius: '100px', transition: 'width .35s' } }); |
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track.appendChild(fill); |
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resultCard.appendChild(track); |
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setTimeout(function () { fill.style.width = (savingsFrac * 100).toFixed(1) + '%'; }, 30); |
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} |
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} |
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|
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function refreshTabs() { |
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['sale_price', 'discount_pct', 'orig_price'].forEach(function (m) { |
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var btn = modeBtns[m]; |
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var active = m === mode; |
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btn.style.background = active ? (o.accentColor || '#6c3fb5') : 'transparent'; |
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btn.style.color = active ? '#fff' : (o.accentColor || '#6c3fb5'); |
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btn.style.borderColor = active ? (o.accentColor || '#6c3fb5') : '#e5e7eb'; |
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}); |
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} |
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|
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buildInputs(); |
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update(); |
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} |
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|
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document.querySelectorAll('.bkbg-disc-app').forEach(buildApp); |
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})(); |
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|