:root{--bg:#f7f7f8;--paper:#fff;--ink:#202124;--muted:#74777c;--line:#e8e9eb;--accent:#202124}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:14px/1.5 'Segoe UI',sans-serif}header{padding:16px 28px;display:flex;justify-content:space-between;align-items:center;gap:12px;border-bottom:1px solid var(--line);background:#fff}h1{font-size:18px;line-height:1.4;font-weight:650;margin:0}h1 span{font-weight:400;color:var(--muted)}.badge,.status{font-size:11px;padding:4px 8px;border:1px solid var(--line);border-radius:5px;background:#fafafa;white-space:nowrap}main{max-width:1400px;margin:auto;padding:20px 28px}h2{font-size:18px;font-weight:600}h3{font-size:14px;margin:20px 0 8px}.notice{background:#fff;border:1px solid var(--line);border-radius:6px;padding:11px 14px;font-size:12px;color:#5f6368;margin-bottom:18px}.workspace{display:grid;grid-template-columns:minmax(320px,.9fr) minmax(0,1.1fr);gap:18px}.panel{background:var(--paper);border:1px solid var(--line);border-radius:8px;padding:20px}.section-label{font-size:14px;font-weight:600;padding-bottom:13px;border-bottom:1px solid var(--line);margin:0 0 16px}label{display:block;font-size:12px;font-weight:500;margin:14px 0 0}input,textarea,select{display:block;width:100%;margin-top:6px;padding:10px;border:1px solid #dadddf;border-radius:5px;font:14px 'Segoe UI',sans-serif;color:var(--ink);background:white}textarea{resize:vertical}fieldset{border:0;padding:0;margin:0}legend{font-size:12px;font-weight:500}.segments{display:flex;gap:8px}.segments label{flex:1;border:1px solid var(--line);border-radius:5px;padding:10px;margin:7px 0 0;cursor:pointer;background:#fafafa}.segments input{display:inline;width:auto;margin:0 6px 0 0;accent-color:#202124}.numbers{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.file{font-weight:400;color:var(--muted)}.file input{font-size:12px;background:#fafafa}.actions{display:flex;gap:8px;flex-wrap:wrap;margin-top:18px}button{border:1px solid var(--accent);background:var(--accent);color:white;border-radius:5px;padding:10px 13px;cursor:pointer;font:500 13px 'Segoe UI',sans-serif;min-height:40px}.secondary{border-color:var(--line);background:#f7f7f8;color:var(--ink)}button:disabled{opacity:.5;cursor:wait}:focus-visible{outline:2px solid #777;outline-offset:3px}.muted{color:var(--muted);font-size:12px}.result-head{display:flex;flex-wrap:wrap;justify-content:space-between;gap:8px;align-items:center}.result-head h2{margin:0;overflow-wrap:anywhere}.total{font-size:32px;font-variant-numeric:tabular-nums;margin:18px 0}.total small{font-size:13px;color:var(--muted)}table{width:100%;border-collapse:collapse;font-size:12px}th,td{text-align:left;border-bottom:1px solid var(--line);padding:10px 4px}th{color:var(--muted);font-weight:500}.scroll{overflow:auto}.source-row{padding:10px 0;border-bottom:1px solid var(--line)}.source-row strong{display:block;font-size:12px;font-weight:500}.source-row span{font-size:11px;color:var(--muted)}.bottom{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:18px}.history-row{display:block;width:100%;text-align:left;color:var(--ink);background:#fafafa;border-color:var(--line);margin-bottom:8px;overflow-wrap:anywhere}.history-row small{display:block;font-weight:400;color:var(--muted)}ul{padding-left:19px;font-size:12px}li{margin:6px 0}.text{white-space:pre-wrap;overflow-wrap:anywhere;font-size:13px}.warning{padding:12px;background:#f4f4f5;font-size:13px;border-left:2px solid #8c8f94}#error{color:#a33a33;font-size:12px}footer{color:var(--muted);font-size:11px;margin-top:18px}.comment{padding:10px 0;border-bottom:1px solid var(--line);white-space:pre-wrap;overflow-wrap:anywhere;font-size:12px}@media(max-width:850px){.workspace,.bottom{grid-template-columns:1fr}header{padding:13px 16px}h1{font-size:16px}main{padding:14px 12px}.panel{padding:16px}.numbers{gap:8px}input,textarea,select{font-size:16px}button{min-height:44px}.numbers label{font-size:12px}.numbers input{padding:10px 6px}.status{white-space:normal}}