// ── BACK TO TOP ── window.addEventListener('scroll', function(){ var btn = document.getElementById('back-top'); if(btn) btn.classList.toggle('visible', window.scrollY > 400); }); // ── SCROLL REVEAL ── function revealOnScroll(){ document.querySelectorAll('.reveal').forEach(function(el){ var rect = el.getBoundingClientRect(); if(rect.top < window.innerHeight - 60) el.classList.add('visible'); }); } window.addEventListener('scroll', revealOnScroll); // ── LIGHTBOX ── var lbImages = []; var lbIdx = 0; function buildLbImages(){ lbImages = []; document.querySelectorAll('.gallery-item-wrap img').forEach(function(img){ var wrap = img.closest('.gallery-item-wrap'); var cap = wrap ? wrap.querySelector('h4') : null; lbImages.push({src: img.src, cap: cap ? cap.textContent : ''}); }); } function openLightbox(src, cap){ buildLbImages(); lbIdx = lbImages.findIndex(function(x){return x.src===src;}); if(lbIdx<0)lbIdx=0; document.getElementById('lb-img').src = lbImages[lbIdx].src; document.getElementById('lb-cap').textContent = lbImages[lbIdx].cap; document.getElementById('lightbox').classList.add('open'); } function closeLightbox(e){ if(e.target===document.getElementById('lightbox')) document.getElementById('lightbox').classList.remove('open'); } function lbNav(dir){ if(!lbImages.length)return; lbIdx=(lbIdx+dir+lbImages.length)%lbImages.length; document.getElementById('lb-img').src=lbImages[lbIdx].src; document.getElementById('lb-cap').textContent=lbImages[lbIdx].cap; } document.addEventListener('keydown',function(e){ var lb=document.getElementById('lightbox'); if(!lb.classList.contains('open'))return; if(e.key==='Escape')lb.classList.remove('open'); if(e.key==='ArrowLeft')lbNav(-1); if(e.key==='ArrowRight')lbNav(1); }); // ── PUB TYPE FILTER ── function filterByType(type, btn){ document.querySelectorAll('.pub-filter-btn').forEach(function(b){b.classList.remove('active');}); btn.classList.add('active'); document.querySelectorAll('.pub-entry').forEach(function(e){ if(type==='all'){ e.style.display=''; return; } if(type==='first'){ e.style.display=e.querySelector('.pub-star')?'':'none'; return; } if(type==='review'){ e.style.display=e.dataset.type==='review'?'':'none'; return; } if(type==='coauthor'){ e.style.display=(!e.querySelector('.pub-star'))?'':'none'; return; } e.style.display=''; }); document.querySelectorAll('.pub-year-group').forEach(function(g){ var any=Array.from(g.querySelectorAll('.pub-entry')).some(function(e){return e.style.display!=='none';}); g.style.display=any?'':'none'; }); } // ── ADD REVEAL CLASS TO KEY ELEMENTS ── document.addEventListener('DOMContentLoaded', function(){ document.querySelectorAll('.interest-item, .news-item, .pub-entry, .exp-entry, .edu-entry, .funding-entry, .stat-cell, .gallery-item-wrap').forEach(function(el){ el.classList.add('reveal'); }); revealOnScroll(); });