.zuBtn{cursor:pointer;border:none;border-radius:6px;justify-content:center;align-items:center;gap:6px;padding:8px 16px;font-family:inherit;font-size:.875rem;font-weight:500;transition:all .2s;display:inline-flex}.zuBtnSecondary{background:var(--background);color:var(--text-secondary);border:1px solid var(--border)}.zuBtnSecondary:hover{background:var(--border)}.zuBtnPrimary{background:var(--primary);color:#fff}.zuBtnPrimary:hover{background:var(--primary-dark)}.zuBtnSuccess{color:#fff;background:#10b981}.zuBtnSuccess:hover{background:#059669}.zuBtn:disabled{background:var(--text-muted);color:#fff;cursor:not-allowed;opacity:.7}.zuDownloadBtn{padding:4px 12px;font-size:.8rem}.zuExtractBtn{padding:12px 32px;font-size:1rem}[data-zu-stage] .zuNotSupported{text-align:center;color:#f59e0b;padding:60px 20px}[data-zu-stage] .zuNotSupported i{margin-bottom:16px;font-size:3rem;display:block}[data-zu-stage] .zuNotSupported p{margin:0;font-size:1rem}[data-zu-stage] .zuLoading{color:var(--text-muted);flex-direction:column;justify-content:center;align-items:center;padding:60px 20px;display:flex}[data-zu-stage] .zuSpinner{border:3px solid var(--border);border-top-color:var(--primary);border-radius:50%;width:40px;height:40px;margin-bottom:16px;animation:1s linear infinite _zuSpin_1gqwh_102}@keyframes _zuSpin_1gqwh_102{to{transform:rotate(360deg)}}[data-zu-stage] .zuZipInfo{background:var(--background);border-bottom:1px solid var(--border);align-items:center;gap:12px;padding:16px 20px;display:flex}[data-zu-stage] .zuZipIcon{color:var(--primary);flex-shrink:0;font-size:2.5rem}[data-zu-stage] .zuZipDetails{flex:1;min-width:0}[data-zu-stage] .zuZipName{color:var(--text-primary);text-overflow:ellipsis;white-space:nowrap;margin-bottom:4px;font-weight:600;overflow:hidden}[data-zu-stage] .zuZipMeta{color:var(--text-muted);font-size:.8rem}[data-zu-stage] .zuTree{margin:0}[data-zu-stage] .zuTreeHeader{background:var(--surface);border-bottom:1px solid var(--border);color:var(--text-muted);text-transform:uppercase;grid-template-columns:1fr 120px 120px;padding:12px 16px;font-size:.75rem;font-weight:600;display:grid}[data-zu-stage] .zuHeaderWithCheckbox{align-items:center;display:flex}[data-zu-stage] .zuTreeBody{max-height:400px;overflow-y:auto}[data-zu-stage] .zuTreeItem{border-bottom:1px solid var(--border);grid-template-columns:1fr 120px 120px;align-items:center;padding:10px 16px;font-size:.875rem;transition:background .15s;display:grid}[data-zu-stage] .zuTreeItem:hover{background:var(--background)}[data-zu-stage] .zuTreeItem.expanded{background:#2563eb05}[data-zu-stage] .zuTreeChildren{background:#00000003}[data-zu-stage] .zuTreeName{align-items:center;gap:4px;display:flex;overflow:hidden}[data-zu-stage] .zuIcon{color:var(--text-muted);text-align:center;flex-shrink:0;width:16px}[data-zu-stage] .zuNameText{text-overflow:ellipsis;white-space:nowrap;color:var(--text-primary);overflow:hidden}[data-zu-stage] .zuTreeSize{color:var(--text-secondary);font-size:.8rem}[data-zu-stage] .zuTreeAction{justify-content:flex-end;display:flex}[data-zu-stage] .zuCheckbox{width:16px;height:16px;accent-color:var(--primary);cursor:pointer;flex-shrink:0;margin-right:8px}[data-zu-stage] .zuExpandBtn{width:20px;height:20px;color:var(--text-muted);cursor:pointer;background:0 0;border:none;border-radius:4px;flex-shrink:0;justify-content:center;align-items:center;margin-right:4px;transition:all .15s;display:flex}[data-zu-stage] .zuExpandBtn:hover{background:var(--border);color:var(--text-primary)}[data-zu-stage] .zuSummary{background:var(--background);color:var(--text-secondary);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:8px;padding:12px 16px;font-size:.875rem;display:flex}[data-zu-stage] .zuSummaryLeft{flex-wrap:wrap;gap:16px;display:flex}[data-zu-stage] .zuSummaryRight{gap:8px;display:flex}[data-zu-stage] .zuSelectedCount{color:var(--primary);font-weight:500}[data-zu-stage] .zuActions{border-top:1px solid var(--border);flex-wrap:wrap;justify-content:center;gap:12px;padding:20px;display:flex}[data-zu-stage] .zuEmptyList{text-align:center;color:var(--text-muted);padding:40px 20px}[data-zu-stage] .zuEmptyList i{opacity:.5;margin-bottom:16px;font-size:3rem;display:block}[data-zu-stage] .zuEmptyList p{margin:0}@media (width<=768px){[data-zu-stage] .zuTreeHeader,[data-zu-stage] .zuTreeItem{grid-template-columns:1fr 100px}[data-zu-stage] .zuTreeSize,[data-zu-stage] .zuTreeAction,[data-zu-stage] .zuTreeHeader span:nth-child(2){display:none}[data-zu-stage] .zuZipInfo{text-align:center;flex-direction:column}[data-zu-stage] .zuSummary{text-align:center;flex-direction:column;gap:8px}}