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tbody tr:hover .row-num{visibility:hidden}.csv-table tbody tr:hover .row-delete{opacity:1}.add-col-head{width:40px;min-width:40px}.add-col-cell{background:var(--surface);width:40px;min-width:40px}.add-col{width:100%;height:100%;color:var(--text-muted);cursor:pointer;background:0 0;border:0;padding:8px 12px;font-size:16px}.add-col:hover{color:var(--accent);background:#e8eefb}.add-row{border:1px dashed var(--border-strong);color:var(--text-muted);cursor:pointer;background:0 0;border-radius:8px;margin:12px 0 4px;padding:8px 14px}.add-row:hover{border-color:var(--accent);color:var(--accent);background:var(--accent-soft)}.statusbar{background:var(--surface);border-top:1px solid var(--border);color:var(--text-muted);align-items:center;gap:14px;padding:7px 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