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function toggleBranch() {
    document.getElementById('branchWrap').classList.toggle('open');
}
document.addEventListener('click', function(e) {
    let w = document.getElementById('branchWrap');
    if (w && !w.contains(e.target)) w.classList.remove('open');
});
function copyCmd(btn) {
    navigator.clipboard.writeText(btn.dataset.cmd).then(function() {
        btn.textContent = 'copied!';
        btn.classList.add('copied');
        setTimeout(function(){ btn.textContent = 'copy'; btn.classList.remove('copied'); }, 1800);
    });
}