q:'What material is the sculpture made from?',opts:['Steel','Bronze','Recycled aluminium','Concrete'],c:2}, {q:'What does the artist say can\'t happen to the sculpture outdoors?',opts:['It can\'t be moved','It can\'t rust','It can\'t be damaged','It can\'t be seen at night'],c:1} ]; const testQs=[ {s:'Section A: Vocabulary',q:'What is an "exhibition"?',opts:['A painting technique','A public display of art','A room in a studio','An art auction'],c:1}, {q:'What is a "curator"?',opts:['An art student','A portrait painter','A person who organises and cares for a collection','An art buyer'],c:2}, {q:'What does "commissioned" mean?',opts:['Sold at a high price','Ordered and paid for before it is made','Displayed in a gallery','Described in a review'],c:1}, {q:'What is "abstract" art?',opts:['Very realistic art','Art representing ideas or emotions rather than realistic images','Black and white art only','Medieval art'],c:1}, {q:'What is a "medium" in art?',opts:['A type of gallery','The price of art','The material or method an artist uses','A curator\'s review'],c:2}, {q:'What is a "portrait"?',opts:['A landscape painting','A painting, drawing, or photo of a person','A 3D sculpture','An abstract work'],c:1}, {q:'What does "controversial" mean?',opts:['Very old and rare','Causing disagreement or strong opinions','Extremely valuable','Technically difficult'],c:1}, {q:'What is a "sculpture"?',opts:['A type of drawing','A public display','A three-dimensional work of art','A type of gallery'],c:2}, {s:'Section B: Grammar',q:'Which modal shows strong certainty (positive)?',opts:['might','could','must',"can't"],c:2}, {q:'Which modal shows strong certainty that something is NOT true?',opts:['must','might','could',"can't"],c:3}, {q:'"This painting ___ be very old — the paint has cracked."',opts:["might not","can't",'must','could'],c:2}, {q:'"That signature looks wrong. This ___ be an original."',opts:['must','might',"can't",'could'],c:2}, {q:'"The artist ___ have worked for months — the detail is extraordinary."',opts:["can't",'might','must','could not'],c:2}, {q:'Which is correct for deduction?',opts:["She mustn't be tired.","She can't be tired — she just slept ten hours.","She couldn't be tired.","She isn't must tired."],c:1}, {q:'"I\'m not sure, but this ___ be a Vermeer."',opts:['must',"can't",'might',"mustn't"],c:2}, {q:'What does "mustn\'t" mean (not "can\'t")?',opts:['Not possible','Not allowed','Not true','Not certain'],c:1}, {s:'Section C: Reading',q:'What has puzzled people for centuries?',opts:['How to create realistic paintings','What makes art valuable','Why artists become famous','How auctions work'],c:1}, {q:'What might buyers be purchasing along with the art object?',opts:['A guarantee of authenticity','A piece of history and connection to the artist','A market investment','A cultural experience'],c:1}, {q:'What commands a price a copy could never achieve?',opts:['A large painting','Art confirmed by a famous artist','A unique, one-of-a-kind work','A work in a major gallery'],c:2}, {q:'Who wields enormous influence over art value?',opts:['Buyers and collectors','The general public','Critics and curators','The artists'],c:2}, {q:'What does the article suggest value might ultimately be about?',opts:['Material quality','Artist skill','The stories we tell about the work','The price at auction'],c:2}, {s:'Section D: Listening',q:'What does Leo say must be true about the painting?',opts:['It must be very recent','It must be very old — the paint has cracked','It must be 20th century','It must be a reproduction'],c:1}, {q:'What does Sana say the style might be?',opts:['Italian Renaissance','French Impressionist','Dutch, possibly seventeenth century','Spanish Baroque'],c:2}, {q:'What does Sana say about the forgery possibility?',opts:['She thinks it probably is','She can\'t decide','It can\'t be a forgery if it\'s in a national gallery','It must be a forgery'],c:2}, {q:'What reaction does the artist in script 2 say might actually be the point?',opts:['Admiration','Indifference','Controversy and confusion','Amusement'],c:2}, {q:'What material is the sculpture made from?',opts:['Steel','Bronze','Recycled aluminium','Concrete'],c:2}, {q:'What does the artist say can\'t happen to the sculpture outdoors?',opts:["Can't be moved","Can't rust","Can't be damaged","Can't be seen at night"],c:1}, {s:'Section E: Writing',q:'What period does the model answer say the painting\'s style must be from?',opts:['Baroque','Impressionist','Romantic','Renaissance'],c:2}, {q:'What does the writer say the artist might have done before painting?',opts:['Studied at an art school','Visited a museum','Experienced a real storm at sea','Read about storms'],c:2}, {q:'What does the writer say it can\'t be?',opts:['Valuable','A cheerful subject','A realistic scene','An original painting'],c:1} ]; const answers={vocab:{},grammar:{},reading:{},writing:{},test:{}}; function buildQs(cId,qs,key){const w=document.getElementById(cId);if(!w)return;w.innerHTML='';qs.forEach(function(q,i){if(q.s){const d=document.createElement('div');d.className='test-section-divider';d.textContent=q.s;w.appendChild(d);return;}const b=document.createElement('div');b.className='q-block';b.innerHTML='

'+(i+1)+'. '+q.q+'

';w.appendChild(b);});} function pick(key,qi,oi,el){document.querySelectorAll('#'+key+'-opts-'+qi+' .opt').forEach(function(o){o.classList.remove('selected');});el.classList.add('selected');answers[key][qi]=oi;} function checkSection(key){const qmap={vocab:vocabQs,grammar:grammarQs,reading:readingQs,listen1:listen1Qs,listen2:listen2Qs};const qs=qmap[key];let correct=0;qs.forEach(function(q,i){const opts=document.querySelectorAll('#'+key+'-opts-'+i+' .opt');const fb=document.getElementById(key+'-fb-'+i);opts.forEach(function(o){o.classList.remove('selected','correct','wrong');});const chosen=answers[key][i];if(chosen===undefined){if(fb)fb.style.display='none';return;}if(chosen===q.c){opts[chosen].classList.add('correct');if(fb){fb.textContent='Correct!';fb.className='feedback-msg correct';fb.style.display='block';}correct++;}else{opts[chosen].classList.add('wrong');opts[q.c].classList.add('correct');if(fb){fb.textContent='Not quite. The correct answer is: '+q.opts[q.c];fb.className='feedback-msg wrong';fb.style.display='block';}}});const pct=Math.round(correct/qs.length*100);const sc=document.getElementById(key+'-score');if(sc)sc.textContent='Score: '+correct+'/'+qs.length+' ('+pct+'%)';if(!state.progress)state.progress={};state.progress[key]=pct;save();updateProgress();const nm={vocab:'vocab-next',grammar:'grammar-next',reading:'reading-next'};if(nm[key]){const nb=document.getElementById(nm[key]);if(nb)nb.style.display='inline-flex';}if(key==='listen1'||key==='listen2'){if(state.progress.listen1!==undefined&&state.progress.listen2!==undefined){const nb=document.getElementById('listening-next');if(nb)nb.style.display='inline-flex';}}} function submitTest(){let correct=0;testQs.forEach(function(q,i){if(!q.s&&answers['test'][i]===q.c)correct++;});const total=testQs.filter(function(q){return !q.s;}).length;const pct=Math.round(correct/total*100);const passed=correct>=28;if(!state.testAttempts)state.testAttempts=0;state.testAttempts++;if(correct>(state.testBest||0))state.testBest=correct;if(!state.progress)state.progress={};state.progress['test']=pct;if(passed)state.progress['passed']=true;save();updateProgress();document.getElementById('test-submit-row').style.display='none';const res=document.getElementById('test-result');if(passed){res.innerHTML='';}else{const needed=28-correct;res.innerHTML='';}} function retakeTest(){answers['test']={};buildQs('test-qs',testQs,'test');document.getElementById('test-result').innerHTML='';document.getElementById('test-submit-row').style.display='flex';} function goTo(sec,pillEl){document.querySelectorAll('.section-content').forEach(function(s){s.classList.remove('active');});document.querySelectorAll('.section-pill').forEach(function(p){p.classList.remove('active');});document.getElementById('sec-'+sec).classList.add('active');if(pillEl)pillEl.classList.add('active');else{const p=document.querySelector('[data-sec="'+sec+'"]');if(p)p.classList.add('active');}if(sec==='test')buildQs('test-qs',testQs,'test');window.scrollTo({top:0,behavior:'smooth'});} function updateProgress(){const sections=['vocab','grammar','reading','writing','test'];const done=sections.filter(function(s){return state.progress&&state.progress[s]!==undefined;}).length;const pct=Math.round(done/sections.length*100);document.getElementById('progFill').style.width=pct+'%';document.getElementById('progLabel').textContent=pct+'% complete';['vocab','grammar','reading','writing','test'].forEach(function(s){const pill=document.querySelector('[data-sec="'+s+'"]');const keys=[s];const allDone=keys.every(function(k){return state.progress&&state.progress[k]!==undefined;});if(pill&&allDone){pill.classList.add('completed');const ic=document.getElementById('pill-check-'+s);if(ic)ic.style.display='inline';}});if(state.progress&&state.progress.vocab!==undefined){const n=document.getElementById('vocab-next');if(n)n.style.display='inline-flex';}if(state.progress&&state.progress.grammar!==undefined){const n=document.getElementById('grammar-next');if(n)n.style.display='inline-flex';}if(state.progress&&state.progress.reading!==undefined){const n=document.getElementById('reading-next');if(n)n.style.display='inline-flex';}} function updateWordCount(){const t=document.getElementById('writingInput').value.trim();const w=t?t.split(/\s+/).length:0;document.getElementById('wordCount').textContent=w+' word'+(w===1?'':'s');} function showModelAnswer(){document.getElementById('modelAnswer').style.display='block';if(!state.progress)state.progress={};if(state.progress.writing===undefined){state.progress.writing=100;save();updateProgress();}} function completeWriting(){if(!state.progress)state.progress={};state.progress.writing=100;save();updateProgress();goTo('test');} buildQs('vocab-qs',vocabQs,'vocab');buildQs('grammar-qs',grammarQs,'grammar');buildQs('reading-qs',readingQs,'reading');updateProgress();