mkdir', {p: curPath + '/' + name}).then(function(d) {
        if (d.s === 'ok') { toast('Created', true); loadDir(curPath); }
        else toast('Failed', false);
    });
}

function preview(path, name) {
    window.open(path, '_blank');
}

// === Upload ===
function showUpload() { document.getElementById('uploadModal').classList.add('show'); }
function closeUpload() { document.getElementById('uploadModal').classList.remove('show'); }

function handleFiles(files) {
    var prog = document.getElementById('uploadProgress');
    var html = '';
    Array.from(files).forEach(function(f, i) {
        html += '<div id="up' + i + '" style="margin:4px 0;font-size:13px">' +
            '<span style="color:var(--dim)">' + esc(f.name) + '</span> ' +
            '<span id="upst' + i + '" style="color:var(--dim)">pending</span>' +
            '<div style="background:var(--border);height:4px;border-radius:2px;margin-top:4px"><div id="upbar' + i + '" style="background:var(--accent);height:100%;width:0;border-radius:2px;transition:width .3s"></div></div>' +
            '</div>';
    });
    prog.innerHTML = html;
    
    Array.from(files).forEach(function(f, i) {
        var fd = new FormData();