:root{color-scheme:light;--ink:#25332f;--muted:#68746e;--line:#dce2dc;--paper:#fff;--ground:#f6f7f3;--green:#245c48;--green-pale:#edf3ec;--rust:#a3482d;--rust-pale:#fff0e9;--gold:#85641e;--gold-pale:#faf3dd}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:24px}body{margin:0;background:var(--ground);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;font-size:14px;line-height:1.6}button,input,textarea{font:inherit}button,a,input{touch-action:manipulation}button{cursor:pointer}button:disabled{cursor:default;opacity:.5}button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible,summary:focus-visible{outline:3px solid #648dcd;outline-offset:4px}a{color:var(--green)}button{border-radius:5px}h1,h2,h3,p{margin:0}h1{font-size:32px;line-height:1.4;font-weight:650;letter-spacing:-1px}h2{font-size:17px;line-height:1.5;font-weight:650}h3{font-size:15px;font-weight:600}.topbar{display:flex;justify-content:space-between;align-items:center;padding:20px max(28px,calc((100% - 1200px)/2));background:var(--paper);border-bottom:1px solid var(--line);gap:16px}.brand{display:flex;gap:12px;align-items:center;text-decoration:none;color:var(--ink);font-size:17px;font-weight:650}.brand-mark{height:40px;width:40px;background:var(--green);color:#fff;display:grid;place-items:center;border-radius:4px;font-size:30px;font-weight:400;line-height:1}.brand-sub{display:block;font-size:9px;letter-spacing:2px;font-weight:500;color:var(--muted)}.demo-label{font-size:12px;color:var(--gold);background:var(--gold-pale);border:1px solid #e8dbb2;padding:5px 10px;border-radius:4px;white-space:nowrap}.demo-label span{font-size:9px;margin-right:5px}main{max-width:1200px;margin:auto;padding:36px 0 44px}.page-heading{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:24px}.eyebrow{font-size:12px;letter-spacing:1px;color:var(--muted);margin-bottom:6px}.intro{color:var(--muted);margin-top:10px}.text-link{text-decoration:none;font-size:13px;white-space:nowrap}.scope{background:#eef0e9;border-left:3px solid #8b9b80;padding:12px 16px;display:flex;align-items:baseline;gap:16px;font-size:12px}.scope strong{white-space:nowrap}.scope span{color:#52614f}.section-label{display:flex;align-items:center;justify-content:space-between;gap:14px;margin:30px 0 14px}.step{font-size:12px;font-weight:500;color:var(--muted);display:inline-block;margin-right:14px;font-variant-numeric:tabular-nums}.muted{color:var(--muted);font-size:12px}.scenario-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.scenario-button{background:var(--paper);text-align:left;padding:16px 18px;border:1px solid var(--line);min-height:87px;position:relative;transition:border-color .15s}.scenario-button:hover{border-color:#98b09c}.scenario-button[aria-pressed="true"]{border:1px solid var(--green);background:var(--green-pale);box-shadow:inset 3px 0 var(--green)}.scenario-button strong{font-size:15px;display:block}.scenario-button small{color:var(--muted);font-size:12px;display:block;margin-top:3px}.scenario-question{display:flex;justify-content:space-between;gap:16px;padding:13px 1px;font-size:12px}.scenario-question p{max-width:680px}.scenario-question details{max-width:50%}.scenario-question summary{color:var(--green);cursor:pointer;white-space:nowrap}.scenario-question details p{margin-top:8px;padding:12px;background:var(--paper);border:1px solid var(--line)}.text-button{background:transparent;border:0;color:var(--green);padding:8px 2px;font-size:12px;min-height:40px}.ledger-grid,.editor-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.ledger-panel{background:var(--paper);border:1px solid var(--line);border-radius:6px;overflow:hidden}.ledger-heading{padding:16px 18px;display:flex;gap:12px;align-items:center;border-bottom:1px solid var(--line)}.ledger-heading .text-button{margin-left:auto;white-space:nowrap}.ledger-heading p{font-size:11px;color:var(--muted);margin-top:2px}.ledger-letter{font-size:17px;font-weight:600;width:34px;height:34px;display:grid;place-items:center;background:var(--green-pale);border:1px solid #d3e0d3;color:var(--green);border-radius:4px}.table-scroll{overflow-x:auto}table{border-collapse:collapse;width:100%;text-align:left;font-size:12px;white-space:nowrap}th{color:var(--muted);font-weight:500;background:#fafbf8}th,td{padding:10px 14px;border-bottom:1px solid #edf0ea;vertical-align:top}td .sub{display:block;font-size:10px;color:var(--muted);white-space:normal;max-width:220px}tbody tr:last-child td{border-bottom:0}.numeric{text-align:right;font-variant-numeric:tabular-nums;white-space:nowrap}.preview-end{font-size:11px;color:var(--muted);padding:10px 14px;border-top:1px solid var(--line)}.format-note{font-size:12px;color:var(--muted);margin:12px 0}.file-label{font-size:12px;display:block}input[type=file]{display:block;width:100%;font-size:12px;margin:8px 0 12px}textarea{width:100%;resize:vertical;min-height:180px;border:1px solid #b9c7bd;border-radius:4px;background:#fff;padding:12px;color:var(--ink);font-family:ui-monospace,SFMono-Regular,monospace;font-size:11px;line-height:1.7;white-space:pre}.runbar{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-top:18px;padding:16px 0;border-bottom:1px solid var(--line)}.runbar strong{font-size:13px;font-weight:500}.runbar p{font-size:11px;color:var(--muted);margin-top:3px}.primary,.secondary{padding:11px 20px;min-height:44px;font-size:13px;font-weight:600;white-space:nowrap}.primary{color:#fff;background:var(--green);border:1px solid var(--green)}.primary span{margin-left:20px}.primary:hover{background:#194735}.secondary{border:1px solid #c6d1c7;background:#fff;color:var(--ink)}.error-box{color:#84311e;background:var(--rust-pale);border:1px solid #e3b4a3;padding:14px;margin-top:12px;font-size:13px}.empty-state{border:1px dashed #cbd4c9;text-align:center;padding:35px 20px;background:#fbfcf9;border-radius:5px}.empty-state>span{font-size:26px;color:#8b9c8b;line-height:1}.empty-state h3{margin-top:10px}.empty-state p{font-size:12px;color:var(--muted);margin-top:4px}.metrics{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));background:var(--paper);border:1px solid var(--line);border-radius:5px}.metric{padding:18px 22px;border-right:1px solid var(--line)}.metric:last-child{border:0}.metric p{font-size:12px;color:var(--muted)}.metric strong{display:block;font-size:25px;font-weight:600;line-height:1.5;margin:5px 0;font-variant-numeric:tabular-nums}.metric small{font-size:11px;color:var(--muted)}.metric.attention strong{color:var(--rust)}.result-scope{font-size:12px;color:var(--muted);margin:13px 0 20px}.filters{display:flex;flex-wrap:wrap;gap:6px;margin:12px 0}.filter{background:transparent;border:1px solid transparent;padding:8px 14px;color:var(--muted);font-size:12px;min-height:40px}.filter[aria-pressed=true]{color:var(--ink);background:#e7ede4;border-color:#d1dbcd}.group{background:var(--paper);border:1px solid var(--line);border-radius:5px;margin:10px 0}.group>summary{list-style:none;cursor:pointer;display:grid;grid-template-columns:42px minmax(140px,1fr) 135px 145px 20px;align-items:center;gap:14px;padding:17px 20px}.group>summary::-webkit-details-marker{display:none}.group-id{font-size:11px;color:var(--muted);font-variant-numeric:tabular-nums}.group-title{font-size:13px;font-weight:600;overflow-wrap:anywhere}.group-title small{display:block;font-size:11px;font-weight:400;color:var(--muted);margin-top:2px}.badge{font-size:11px;border-radius:3px;padding:4px 8px;justify-self:start;background:var(--gold-pale);color:var(--gold)}.badge.difference,.badge.unilateral{color:var(--rust);background:var(--rust-pale)}.badge.candidate,.badge.reviewed{background:var(--green-pale);color:var(--green)}.badge.ambiguous{color:#65528c;background:#f0edf7}.group-delta{text-align:right;font-size:14px;font-weight:600;font-variant-numeric:tabular-nums}.group-delta small{font-size:10px;font-weight:400;display:block;color:var(--muted)}.group-delta.nonzero{color:var(--rust)}.chevron{color:var(--muted);font-size:16px}.group[open] .chevron{transform:rotate(90deg)}.group-body{padding:0 20px 20px;border-top:1px solid var(--line)}.group-notes{font-size:12px;color:#4d5c51;margin:14px 0;padding-left:18px}.group-notes li+li{margin-top:4px}.comparison{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.comparison h4{font-size:12px;margin:0 0 7px}.comparison h4 span{font-weight:400;color:var(--muted);margin-left:10px}.source-row{border-top:1px solid #e7ece4;padding:10px 0;display:grid;grid-template-columns:1fr auto;gap:3px 12px;font-size:12px}.source-row .source-ref{color:var(--muted);font-size:10px}.source-row p{grid-column:1/-1;color:var(--muted);font-size:11px;overflow-wrap:anywhere}.source-row .source-money{font-weight:500;font-variant-numeric:tabular-nums}.missing{padding:12px;border:1px dashed var(--line);font-size:12px;color:var(--muted)}.review{border-top:1px solid var(--line);margin-top:15px;padding-top:14px;display:flex;align-items:center;gap:12px;flex-wrap:wrap}.review label{font-size:12px;flex:1;min-width:200px}.review input{display:block;width:100%;padding:9px 10px;border:1px solid #b7c5b8;border-radius:4px;margin-top:5px;background:#fff}.review .secondary{align-self:flex-end;font-size:12px}.review-hint{font-size:11px;color:var(--muted);margin-top:13px}.reviewed-note{font-size:12px;color:var(--green);overflow-wrap:anywhere;flex:1}.guide{margin-top:36px;border-top:1px solid var(--line);padding-top:26px}.guide h2{font-size:16px}.guide ol{padding-left:21px;margin:15px 0;display:grid;grid-template-columns:1fr 1fr;gap:10px 38px;font-size:12px;color:var(--muted)}.guide strong{color:var(--ink);font-weight:500}.guide>p{font-size:11px;color:var(--muted);max-width:900px}footer{padding:20px max(28px,calc((100% - 1200px)/2));border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:16px;font-size:10px;color:var(--muted);letter-spacing:.5px}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.skip{position:absolute;top:-100px;left:20px;background:#fff;padding:12px;z-index:5}.skip:focus{top:12px}[hidden]{display:none!important}@media(max-width:1260px){main{padding-left:28px;padding-right:28px}}@media(max-width:760px){main{padding:24px 18px}.topbar{padding:15px 18px}.brand{font-size:15px}.brand-mark{width:34px;height:34px}.demo-label{font-size:10px;padding:4px 7px}.page-heading{align-items:flex-start;flex-direction:column;gap:10px}h1{font-size:27px}.intro{font-size:12px}.scope{flex-direction:column;gap:3px;padding:12px}.scenario-grid{grid-template-columns:1fr}.scenario-button{min-height:64px;padding:12px 16px}.scenario-question{flex-direction:column;gap:7px}.scenario-question details{max-width:100%}.ledger-grid,.editor-grid{grid-template-columns:1fr}.section-label{align-items:flex-start;gap:8px}h2{font-size:15px}.step{margin-right:8px}.muted{font-size:10px}.ledger-heading{padding:13px}.runbar{align-items:flex-start;flex-direction:column;gap:12px}.runbar .primary{width:100%;text-align:center}.metrics{grid-template-columns:repeat(2,minmax(0,1fr))}.metric{padding:14px;border-bottom:1px solid var(--line)}.metric:nth-child(2){border-right:0}.metric:nth-child(3){border-bottom:0}.metric strong{font-size:23px}.group>summary{grid-template-columns:30px minmax(0,1fr) 20px;gap:7px 10px;padding:14px}.group-title{grid-column:2}.badge{grid-column:2;grid-row:2;margin-top:3px}.group-delta{grid-column:2;grid-row:3;text-align:left;font-size:13px}.group-delta small{display:inline;margin-left:8px}.chevron{grid-column:3;grid-row:1}.group-body{padding:0 14px 16px}.comparison{grid-template-columns:1fr;gap:16px}.guide ol{grid-template-columns:1fr;gap:10px}.review label{min-width:100%}.review .secondary{width:100%}.section-label>.secondary{font-size:11px;padding:8px 10px}footer{padding:18px;flex-direction:column;gap:4px}th,td{padding:9px 10px}.text-button{white-space:normal;text-align:right}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}