// Build TOC from sections const toc = document.getElementById('toc'); const sections = [...document.querySelectorAll('main section')];

function buildTOC(){ toc.innerHTML = sections.map(s => { const title = s.getAttribute('data-title') || s.querySelector('h2')?.textContent || 'Section'; return `${title}`; }).join(''); } buildTOC();

// TOC search const tocSearch = document.getElementById('tocSearch'); tocSearch.addEventListener('input', (e)=>{ const q = e.target.value.toLowerCase().trim(); [...toc.querySelectorAll('a')].forEach(a=>{ a.style.display = a.textContent.toLowerCase().includes(q) ? 'block' : 'none'; }); });

// Active section highlight + progress bar const progress = document.getElementById('progress');

function onScroll(){ const docH = document.documentElement.scrollHeight - window.innerHeight; const sc = window.scrollY; progress.style.width = (docH <= 0 ? 0 : (sc / docH) * 100) + '%'; // Active link let current = sections[0]?.id; for (const s of sections){ const top = s.getBoundingClientRect().top; if (top <= 120) current = s.id; } [...toc.querySelectorAll('a')].forEach(a=>{ a.classList.toggle('active', a.getAttribute('data-link') === current); }); } window.addEventListener('scroll', onScroll, {passive:true}); onScroll();

// Read time estimate const text = document.body.innerText || ''; const words = text.trim().split(/\s+/).length; const mins = Math.max(4, Math.round(words / 180)); document.getElementById('readTime').textContent = `~${mins} min`;

// Tabs const tabs = [...document.querySelectorAll('.tab')]; const tabPanels = ['tab1','tab2','tab3','tab4'].map(id=>document.getElementById(id)); tabs.forEach(t=>{ t.addEventListener('click', ()=>{ tabs.forEach(x=>x.classList.remove('active')); t.classList.add('active'); const target = t.getAttribute('data-tab'); tabPanels.forEach(p=>p.style.display = (p.id === target) ? 'block' : 'none'); }); });

// Scoring tool const scoreInputs = ['s_scope','s_proof','s_speed','s_stability','s_safety','s_value'].map(id=>document.getElementById(id)); const scoreOut = document.getElementById('scoreOut'); const scoreBar = document.getElementById('scoreBar'); const scoreLabel = document.getElementById('scoreLabel');

function calcScore(){ const vals = scoreInputs.map(i=>Number(i.value)); // Weighted slightly toward proof + scope (FMs care) const weights = [1.2, 1.3, 1.1, 1.0, 1.1, 0.9]; const weighted = vals.reduce((sum,v,idx)=> sum + v*weights[idx], 0); const max = 10 * weights.reduce((a,b)=>a+b,0); const pct = Math.round((weighted / max) * 100); scoreOut.textContent = pct;

scoreBar.style.width = Math.min(100, Math.max(0, pct)) + '%';

let label = 'Needs work (expect drift)'; if (pct >= 85) label = 'Strong FM fit (consistent + proof-ready)'; else if (pct >= 70) label = 'Okay with supervision (tight checks needed)'; scoreLabel.textContent = label; } scoreInputs.forEach(i=>i.addEventListener('input', calcScore)); calcScore();

function copyScore(){ const vals = scoreInputs.map(i=>`${i.id}:${i.value}`).join(', '); const txt = `Cleaning proposal score: ${scoreOut.textContent}/100 | ${scoreLabel.textContent}\nInputs: ${vals}`; navigator.clipboard.writeText(txt).then(()=>alert('Score copied to clipboard.')); }

// Cost estimator (planning) const sqm = document.getElementById('sqm'); const freq = document.getElementById('freq'); const siteType = document.getElementById('siteType'); const complexity = document.getElementById('complexity'); const costOut = document.getElementById('costOut'); const costBar = document.getElementById('costBar');

function calcCost(){ const area = Math.max(50, Number(sqm.value || 0)); const f = Number(freq.value); const c = Number(complexity.value);

// Base minutes per 100sqm per visit let minsPer100 = 45; // office baseline if (siteType.value === 'strata') minsPer100 = 35; if (siteType.value === 'industrial') minsPer100 = 55;

// Complexity multiplier const mult = 0.85 + (c * 0.10); // 1->0.95, 5->1.35

// Visits per week logic let visitsPerWeek = f; let deepOnly = false; if (f === 0.25){ // monthly deep clean add-on deepOnly = true; visitsPerWeek = 0; }

// Labour estimate const minsPerVisit = (area/100) * minsPer100 * mult; const hoursPerVisit = minsPerVisit / 60;

// Rate band planning (Sydney commercial range varies) // Keep as a band to avoid false precision. const lowRate = 45; const highRate = 70;

let low, high;

if (deepOnly){ // monthly deep clean placeholder: 1.3x time + 1 visit const deepHours = hoursPerVisit * 1.3; low = deepHours * lowRate; high = deepHours * highRate; // Display monthly } else { const weeklyHours = hoursPerVisit * visitsPerWeek; low = weeklyHours * lowRate * 4.33; high = weeklyHours * highRate * 4.33; }

const fmt = (n)=> n.toLocaleString('en-AU', {style:'currency', currency:'AUD', maximumFractionDigits:0}); costOut.textContent = `${fmt(low)} – ${fmt(high)} / month`;

// Progress bar width (visual only) const cap = 35000; const pct = Math.min(100, Math.round((high / cap) * 100)); costBar.style.width = pct + '%'; }

[sqm,freq,siteType,complexity].forEach(el=>el.addEventListener('input', calcCost)); calcCost();

function copyCostSummary(){ const txt = `Planning estimate (not a quote)\nArea: ${sqm.value} m²\nFrequency: ${freq.options[freq.selectedIndex].text}\nSite: ${siteType.options[siteType.selectedIndex].text}\nComplexity: ${complexity.value}/5\nEstimated monthly: ${costOut.textContent}`; navigator.clipboard.writeText(txt).then(()=>alert('Cost summary copied to clipboard.')); }