:root{color-scheme:light;--ink:#172e38;--muted:#5d737c;--accent:#076c67;--line:#d7e2e3;--paper:#fff}*{box-sizing:border-box}body{margin:0;background:#edf3f3;color:var(--ink);font:16px/1.6 system-ui,sans-serif}header,main,footer{max-width:1120px;margin:auto;padding:24px}header{display:flex;justify-content:space-between;align-items:center;gap:20px}header strong{font-size:15px;letter-spacing:.08em}select,textarea,button{font:inherit}select{padding:8px;border:1px solid var(--line);border-radius:8px;background:white}h1{font-size:clamp(30px,5vw,48px);line-height:1.15;letter-spacing:-.04em;margin:12px 0}h2{font-size:21px;margin:0 0 16px}p{margin:8px 0 18px}.hero{max-width:760px;margin:10px 0 30px}.eyebrow{color:var(--accent);font-weight:700}.muted,small{color:var(--muted)}.layout{display:grid;grid-template-columns:minmax(280px,.9fr) minmax(0,1.1fr);gap:22px;align-items:start}.panel{background:var(--paper);border:1px solid var(--line);border-radius:18px;padding:26px;box-shadow:0 8px 30px #17343b05}label{display:block;font-weight:650;margin-bottom:8px}textarea{width:100%;min-height:138px;resize:vertical;border:1px solid #aebfc3;background:#fbfdfd;border-radius:10px;padding:14px;color:var(--ink);font-family:ui-monospace,monospace}textarea:focus,button:focus-visible,a:focus-visible,select:focus-visible{outline:3px solid #6dbeb8;outline-offset:2px}button{border:1px solid var(--line);border-radius:9px;padding:10px 15px;cursor:pointer;background:white;color:var(--ink)}button.primary{background:var(--accent);color:white;border-color:var(--accent);width:100%;margin:12px 0 22px}.examples,.actions{display:flex;gap:8px;flex-wrap:wrap}.examples button{font-size:13px;padding:7px 10px}.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin:16px 0}.stat{padding:12px;background:#f0f6f6;border-radius:10px}.stat b{display:block;font-size:26px}.stat span{font-size:12px}.formula{background:#122e37;color:#d4f2e9;padding:18px;border-radius:10px;white-space:pre-wrap;overflow-wrap:anywhere;font:18px/1.7 ui-monospace,monospace}.table-wrap{overflow:auto;max-height:420px;border:1px solid var(--line);border-radius:10px}table{border-collapse:collapse;width:100%;text-align:center;font-variant-numeric:tabular-nums}th,td{border-bottom:1px solid var(--line);padding:8px 12px}th{background:#edf5f4;position:sticky;top:0}td.true{color:#075e53;background:#e3f4ec;font-weight:750}.wide{margin-top:22px}details summary{font-weight:700;cursor:pointer}.error{color:#a02b36;min-height:26px}.status{color:var(--accent);font-size:14px}footer{display:flex;justify-content:space-between;gap:20px;font-size:13px}footer a{color:#697479}.map{max-width:450px;margin:14px 0}.map caption{text-align:left;font-weight:600;margin-bottom:8px}.hidden{display:none}@media(max-width:760px){header,main,footer{padding:18px}.layout{grid-template-columns:1fr}.panel{padding:20px}.hero{margin-bottom:24px}header{flex-wrap:wrap}.stats{gap:6px}.stat{padding:10px}.stat b{font-size:23px}footer{flex-direction:column;gap:6px}}