:root{--paper:#f2efe7;--ink:#111210;--line:#aaa79f;--green:#b8ff3d;--blue:#175bd8;--coral:#ff6b56;--white:#fff;--muted:#66665f}*{box-sizing:border-box}[hidden]{display:none!important}html{background:var(--paper);scroll-behavior:smooth}body{margin:0;color:var(--ink);font-family:Outfit,"Helvetica Neue",Arial,sans-serif;letter-spacing:0;overflow-x:hidden}button,input{font:inherit}button{cursor:pointer}button:focus-visible,input:focus-visible{outline:3px solid var(--blue);outline-offset:2px}nav{height:56px;display:grid;grid-template-columns:1fr auto 40px;align-items:center;gap:16px;padding:0 clamp(14px,3vw,40px);background:var(--ink);color:white}.brand{font-weight:900}.engine{color:#c8c8c1;font:750 .68rem ui-monospace,monospace}.engine.ready{color:var(--green)}.icon{width:36px;height:36px;border:1px solid #72736f;border-radius:50%;background:transparent;color:white;font-size:1.2rem}.hero{padding:clamp(36px,6vw,78px) clamp(16px,5vw,70px);display:grid;grid-template-columns:minmax(0,1.4fr) minmax(260px,.6fr);align-items:end;gap:70px;border-bottom:1px solid var(--ink)}.context{margin:0 0 14px;color:var(--blue);font:800 .7rem ui-monospace,monospace;text-transform:uppercase}.hero h1{max-width:74rem;margin:0;font:500 clamp(3rem,6vw,6.6rem)/.9 Georgia,serif;letter-spacing:0}.hero h1 em{color:var(--blue);font-weight:500}.hero>p{margin:0;color:var(--muted);line-height:1.55;font-size:.95rem}.workspace{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));grid-auto-flow:dense;min-height:620px;border-bottom:1px solid var(--ink)}.inputs{grid-column:span 5;min-width:0;background:white;border-right:1px solid var(--ink);padding:18px;display:flex;flex-direction:column;gap:16px}.results{grid-column:span 7;min-width:0;display:flex;flex-direction:column}.tierHead{display:flex;justify-content:space-between;align-items:center;gap:10px}.tierHead strong{font-size:.8rem}.tierHead button{border:1px solid var(--ink);background:var(--green);padding:8px 11px;font-weight:850}.tiers{display:grid;grid-template-columns:repeat(3,1fr);grid-auto-flow:dense}.tiers button{min-width:0;min-height:58px;border:1px solid var(--ink);border-right:0;background:var(--paper);font-weight:900}.tiers button:last-child{border-right:1px solid var(--ink)}.tiers button span{display:block;margin-top:3px;font:650 .62rem ui-monospace,monospace;color:var(--muted)}.tiers button.active{background:var(--ink);color:white}.tiers button.active span{color:var(--green)}.fieldGrid{display:grid;grid-template-columns:1fr 1fr;gap:10px}.fieldGrid label{min-width:0;display:flex;flex-direction:column;gap:8px;padding:12px;border:1px solid var(--line);font-size:.7rem;font-weight:850}.fieldGrid label span{display:flex;align-items:center;gap:6px}.fieldGrid input{min-width:0;width:100%;border:0;border-bottom:2px solid var(--ink);padding:7px 2px;background:transparent;font:650 1.1rem Georgia,serif}.fieldGrid label span input{width:calc(100% - 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