(function(){
    var bio = document.getElementById('author-bio');
    var btn = document.getElementById('bio-toggle');
    if (!bio || !btn) return;
    requestAnimationFrame(function() {
        if (bio.scrollHeight > bio.clientHeight + 2) { btn.hidden = false; }
    });
    btn.addEventListener('click', function() {
        var exp = btn.getAttribute('aria-expanded') === 'true';
        bio.classList.toggle('bio-clamped', exp);
        btn.textContent = exp ? 'plus' : 'moins';
        btn.setAttribute('aria-expanded', exp ? 'false' : 'true');
    });
})();