:root{--bg:#f5f7fb;--ink:#182a3b;--muted:#536579;--accent:#0963be;--line:#dbe3ee;--card:#fff}
*{box-sizing:border-box}body{margin:0;font-family:system-ui,-apple-system,"Segoe UI",sans-serif;line-height:1.65;background:var(--bg);color:var(--ink)}a{color:var(--accent);text-underline-offset:3px}button,input,select{font:inherit}button{cursor:pointer}button:disabled{cursor:wait;opacity:.65}:focus-visible{outline:3px solid #e4a416;outline-offset:3px}
.site-header{max-width:1000px;margin:auto;display:flex;justify-content:space-between;align-items:center;gap:24px;padding:24px 20px;border-bottom:1px solid var(--line)}.brand{font-size:26px;font-weight:800;text-decoration:none;color:var(--ink)}.brand span{display:block;font-size:12px;font-weight:400;color:var(--muted)}nav{display:flex;gap:20px;flex-wrap:wrap}.wrap{max-width:860px;margin:auto;padding:24px 20px 48px}.crumb{font-size:13px;margin-bottom:20px;gap:8px;color:var(--muted)}h1{font-size:clamp(25px,4vw,36px);line-height:1.25;letter-spacing:-.5px;margin:12px 0}h2{font-size:21px;line-height:1.4;margin:0 0 16px}.intro,.note{color:var(--muted)}.intro{max-width:680px}.note{font-size:13px}.card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:24px;margin:24px 0}
.fields{display:grid;grid-template-columns:1.1fr 1fr auto 1fr;gap:12px;align-items:end}.field{min-width:0}.field label{display:block;font-size:13px;font-weight:600;margin-bottom:6px}.field input,.field select{width:100%;min-height:48px;padding:10px;border:1px solid #acbccf;border-radius:9px;background:white;color:var(--ink)}.swap{height:48px;width:44px;border:1px solid #acbccf;background:white;border-radius:9px;color:var(--accent);font-size:22px}.result{margin-top:20px;background:#edf5ff;border:1px solid #d0e4fa;border-radius:12px;padding:20px}.result p{margin:0}.big{font-size:clamp(21px,4vw,30px);font-weight:750;overflow-wrap:anywhere}.result p+p{font-size:14px;margin-top:6px;color:var(--muted)}.status-row{display:flex;gap:16px;align-items:center;justify-content:space-between;font-size:13px;color:var(--muted)}.secondary{white-space:nowrap;background:white;color:var(--accent);border:1px solid var(--line);border-radius:8px;padding:8px 12px;min-height:44px}.error{color:#a62323}
.table-scroll{overflow:auto}table{width:100%;border-collapse:collapse;font-variant-numeric:tabular-nums}caption{text-align:left;font-size:13px;color:var(--muted);margin-bottom:12px}th,td{padding:10px 12px;border-bottom:1px solid var(--line);text-align:right}th:first-child,td:first-child{text-align:left}tr.highlight{background:#edf5ff;font-weight:700}.related{display:flex;gap:10px;flex-wrap:wrap}.related a{border:1px solid var(--line);padding:8px 12px;border-radius:9px;text-decoration:none}.related a:hover{background:#edf5ff}details{border-top:1px solid var(--line);padding:12px 0}summary{cursor:pointer;font-weight:600}details p{color:var(--muted)}.sparkline{display:block;width:100%;height:100px;color:var(--accent)}footer{text-align:center;font-size:13px;color:var(--muted);padding:24px 20px 40px}footer nav{justify-content:center;margin-top:12px}.skip{position:absolute;left:16px;top:-100px;padding:10px;background:white;z-index:10}.skip:focus{top:12px}
@media(max-width:650px){.fields{grid-template-columns:1fr 44px 1fr}.field:first-child{grid-column:1/-1}.site-header{align-items:flex-start;padding:16px;gap:16px}.site-header nav{font-size:13px;gap:12px}.wrap{padding:16px 12px 36px}.card{padding:18px}.status-row{align-items:flex-start}nav.crumb{gap:6px}.secondary{white-space:normal}}