:root{--fg: #1a1a1a;--fg-mute: #555;--bg: #fafaf8;--panel: #ffffff;--border: #d8d8d4;--accent: #2563eb;--accent-hov: #1d4ed8;--warn: #b45309;--err: #b91c1c;--ok: #15803d;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif}*{box-sizing:border-box}html,body{margin:0;padding:0}body{background:var(--bg);color:var(--fg);-webkit-font-smoothing:antialiased}.app{max-width:1100px;margin:0 auto;padding:32px 24px 80px}header h1{margin:0 0 4px;font-size:24px}.sub{margin:0 0 24px;color:var(--fg-mute);font-size:14px}.dropzone{background:var(--panel);border:2px dashed var(--border);border-radius:12px;padding:36px 24px;margin-bottom:12px;cursor:pointer;transition:border-color .12s ease,background .12s ease,transform .12s ease;outline:none}.dropzone:hover,.dropzone:focus-visible{border-color:var(--accent);background:#f5f8ff}.dropzone.dragover{border-color:var(--accent);background:#eef4ff;transform:scale(1.005)}.dropzone.has-file{border-style:solid;border-color:var(--ok);background:#f0fdf4}.dropzone-content{display:flex;flex-direction:column;align-items:center;gap:10px;pointer-events:none;text-align:center}.dropzone-icon{width:40px;height:40px;color:var(--fg-mute)}.dropzone:hover .dropzone-icon,.dropzone:focus-visible .dropzone-icon,.dropzone.dragover .dropzone-icon{color:var(--accent)}.dropzone.has-file .dropzone-icon{color:var(--ok)}.dropzone-text{font-size:15px;color:var(--fg)}.dropzone-text strong{font-weight:600}.dropzone-text span{color:var(--fg-mute)}.dropzone-filename{font-size:13px;color:var(--fg-mute);font-variant-numeric:tabular-nums}.dropzone.has-file .dropzone-filename{color:var(--ok);font-weight:500}.controls{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:12px;background:var(--panel);border:1px solid var(--border);border-radius:8px;padding:16px;margin-bottom:16px}.controls label{display:flex;flex-direction:column;gap:4px;font-size:13px;color:var(--fg-mute)}.controls input[type=text],.controls select,.controls input[type=file]{padding:8px 10px;border:1px solid var(--border);border-radius:6px;background:#fff;font:inherit;color:var(--fg)}.controls input[type=file]{padding:6px}.controls label.checkbox{flex-direction:row;align-items:center;gap:8px;font-size:13px;color:var(--fg);align-self:end;padding-bottom:8px}.controls label.checkbox input{margin:0}button{padding:10px 16px;border:1px solid var(--accent);background:var(--accent);color:#fff;border-radius:6px;font:inherit;font-weight:500;cursor:pointer;align-self:end}button:hover:not(:disabled){background:var(--accent-hov)}button:disabled{opacity:.5;cursor:not-allowed}button.secondary{background:#fff;color:var(--accent)}.status{padding:12px 16px;border-radius:6px;font-size:14px;margin-bottom:16px;white-space:pre-wrap}.status.info{background:#eff6ff;color:#1e3a8a;border:1px solid #bfdbfe}.status.error{background:#fef2f2;color:var(--err);border:1px solid #fecaca}.status.ok{background:#f0fdf4;color:var(--ok);border:1px solid #bbf7d0}.output{background:var(--panel);border:1px solid var(--border);border-radius:8px;padding:16px}.output-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}.output-header h2{margin:0;font-size:16px}.downloads{display:flex;gap:8px}.downloads button{padding:8px 12px;font-size:13px}.table-wrap{overflow-x:auto;border:1px solid var(--border);border-radius:6px}table{width:100%;border-collapse:collapse;font-size:13px}th,td{padding:8px 10px;text-align:left;border-bottom:1px solid var(--border)}th{background:#f5f5f2;font-weight:600;font-size:12px;text-transform:uppercase;letter-spacing:.04em}td.num,th.num{text-align:right;font-variant-numeric:tabular-nums}tfoot td{font-weight:600;background:#f9f9f6}tr.section td{font-weight:600;background:#f5f5f2;color:var(--fg)}.warnings{margin-top:12px}.warnings summary{cursor:pointer;color:var(--warn);font-size:13px}.warnings ul{margin:8px 0 0 18px;padding:0;font-size:13px;color:var(--warn)}