:root{color-scheme:dark;--bg:#0d181c;--panel:#15262c;--ink:#e9f2ef;--muted:#afc1bd;--line:#31474c;--accent:#a8d6c4;--gold:#e8c989}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.7 system-ui,-apple-system,"PingFang SC",sans-serif}a{color:var(--accent);text-underline-offset:4px}main{max-width:1240px;margin:auto;padding:40px 28px 70px}nav{display:flex;justify-content:space-between;gap:20px;font-size:14px}header{padding:55px 0 34px;max-width:940px}h1{font-size:clamp(30px,4.5vw,52px);line-height:1.25;letter-spacing:-1px;margin:12px 0 20px}h2{font-size:25px;line-height:1.35}h3{font-size:18px}.eyebrow{font-size:12px;letter-spacing:2px;color:var(--gold)}.subtitle,.note{color:var(--muted)}.panel{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:26px;margin:24px 0}.boundary{border-left:3px solid var(--gold);padding:14px 20px;background:#1c292b}.inputs{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.inputs label{display:block;color:var(--muted);font-size:14px}input,select{display:block;width:100%;margin-top:7px;padding:10px;border:1px solid #58716f;border-radius:5px;background:#0e1c21;color:var(--ink);font:inherit}input:focus,select:focus,button:focus{outline:2px solid var(--accent);outline-offset:3px}.metrics{display:grid;grid-template-columns:2fr 1fr 1fr;gap:24px;margin:28px 0}.metric small{display:block;color:var(--muted)}.metric strong{display:block;font-size:23px;line-height:1.45;margin-top:8px}.table-scroll{overflow-x:auto}table{border-collapse:collapse;width:100%;font-size:14px}th,td{text-align:left;padding:12px 10px;border-bottom:1px solid var(--line);white-space:nowrap}th{color:var(--accent);font-size:12px;font-weight:600}tbody tr:first-child{background:#203630}td:first-child{white-space:normal;min-width:180px}.columns{display:grid;grid-template-columns:1fr 1fr;gap:28px}.tag{color:var(--gold);font-size:12px;letter-spacing:1px}button{border:1px solid var(--accent);padding:11px 18px;background:var(--accent);color:#102321;border-radius:5px;font:inherit;cursor:pointer;margin:8px 10px 8px 0}button.secondary{background:transparent;color:var(--accent)}button:disabled{opacity:.5;cursor:default}summary{cursor:pointer;color:var(--accent)}.source{border-top:1px solid var(--line);padding-top:18px;margin-top:18px}.source p{font-size:14px}footer{border-top:1px solid var(--line);margin-top:42px;padding-top:24px;color:var(--muted);font-size:14px}#calculation-status{min-height:28px;font-size:14px;color:var(--accent)}#ledger-option{max-width:420px}.steps{padding-left:22px}.steps li{margin:10px 0}
@media(max-width:760px){main{padding:25px 16px 50px}header{padding-top:34px}.panel{padding:20px 16px}.inputs{grid-template-columns:1fr 1fr}.metrics,.columns{grid-template-columns:1fr}.metrics{gap:14px}.metric strong{font-size:21px}nav{flex-wrap:wrap}}
tbody tr:first-child{background:transparent}#comparison-body tr.selected{background:#203630}.decision-notice{padding:14px 18px;border-left:3px solid var(--accent);background:#203630}.decision-notice.warning{border-color:var(--gold);background:#302d24}.decision-notice.invalid{border-color:#f1a99c;background:#342522}#comparison-body td:last-child{white-space:normal;min-width:200px}#current-result{max-height:360px;overflow:auto;font-size:12px;white-space:pre-wrap}.metric{min-width:0}.metric strong{overflow-wrap:anywhere}