:root{font:15px/1.4 system-ui,sans-serif;color:#1a1a1a;background:#fafafa}main{max-width:900px;margin:2rem auto;padding:0 1rem}label{display:block;margin:.5rem 0}input,select{width:100%;max-width:640px;padding:.4rem}.muted{color:#666}.drop{border:2px dashed #999;border-radius:8px;padding:2rem;text-align:center;margin:1rem 0;background:#fff}.drop.over{border-color:#2a7;background:#f0fff8}.status{min-height:1.4em;font-weight:600}.status.err{color:#b00}.out{background:#111;color:#ddd;padding:1rem;overflow:auto;max-height:60vh;border-radius:6px}.tx{border-collapse:collapse;width:100%;margin-bottom:1rem;font-size:13px}.tx td,.tx th{border-bottom:1px solid #ddd;padding:.2rem .4rem;text-align:left}