:root{--ink:#17251f;--green:#145b45;--paper:#f4f0e7;--card:#fffdf8;--line:#d9d1c3;--muted:#68736d;--gold:#e9aa45}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font:15px/1.45 Inter,Segoe UI,sans-serif}.shell{width:min(1280px,calc(100% - 28px));margin:auto}.top{display:flex;justify-content:space-between;padding:22px 0}.top a{color:var(--green);font-weight:800;text-decoration:none}header{display:grid;grid-template-columns:2fr 1fr;gap:34px;padding:30px 0}h1{font:700 clamp(3rem,7vw,6.4rem)/.9 Georgia,serif;letter-spacing:-.06em;margin:10px 0 20px}.eyebrow,article span,small{font-size:.7rem;letter-spacing:.13em;font-weight:800;color:var(--green)}header p{font-size:1.05rem;color:var(--muted);max-width:760px}header aside{border-left:1px solid var(--line);padding-left:28px}header aside strong{font:700 1.7rem Georgia}.context{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-bottom:20px}.context article,.controls,main>section,.stats div{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:18px}.context h2{font:700 1.4rem Georgia;margin:9px 0}.context p,.hint{color:var(--muted);font-size:.8rem}.lab{display:grid;grid-template-columns:300px 1fr;gap:16px;align-items:start}.controls{position:sticky;top:10px}.controls h2{font-size:1.15rem}.controls label{display:block;font-size:.75rem;font-weight:800;margin:12px 0 5px}input,select,button{font:inherit}input,select{width:100%;padding:9px;border:1px solid var(--line);border-radius:9px;background:white}.primary{width:100%;border:0;border-radius:10px;background:var(--green);color:white;font-weight:800;padding:11px;margin-top:10px}.two{display:grid;grid-template-columns:1fr 1fr;gap:8px}.checks label{font-size:.76rem;margin:5px 0}.checks input{width:auto;margin-right:7px}details{border:1px solid var(--line);border-radius:10px;padding:9px;margin-top:10px}summary{font-weight:800;cursor:pointer}.notice.error{color:#a33b34}.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}.stats div{min-height:100px}.stats b{display:block;font:700 1.6rem Georgia;margin-top:9px}.tabs{display:flex;gap:6px;margin:14px 0;overflow:auto}.tabs button,#pairTabs button{border:1px solid var(--line);background:var(--card);border-radius:999px;padding:9px 15px;white-space:nowrap}.tabs button.active,#pairTabs button.active{background:var(--green);color:white}.view{display:none}.view.active{display:block}.view h2{font:700 1.5rem Georgia}canvas{display:block;width:100%;height:auto;background:#fff;border:1px solid var(--line);border-radius:12px;margin:12px 0}table{width:100%;border-collapse:collapse;font-size:.75rem}th,td{text-align:left;padding:8px;border-bottom:1px solid var(--line)}th{color:var(--green)}#pairTabs{display:flex;gap:6px;overflow:auto}@media(max-width:850px){header,.context,.lab{grid-template-columns:1fr}.controls{position:static}.stats{grid-template-columns:1fr 1fr}h1{font-size:3.3rem}}