:root{color-scheme:dark;--bg: #0a0b1e;--panel: #12132a;--line: #24264a;--text: #e6e7f2;--muted: #9a9cb5;--accent: #38bdf8;--on-accent: #05101f;--design: #ff6b5a}@media(prefers-color-scheme:light){:root:not([data-theme=dark]){color-scheme:light;--bg: #fbfbfe;--panel: #ffffff;--line: #e2e3ef;--text: #17182c;--muted: #5b5d78;--accent: #0b5fbf;--on-accent: #ffffff;--design: #c0311e}}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font:16px/1.6 ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,sans-serif}main{max-width:62rem;margin:0 auto;padding:2.5rem 1rem 4rem}h1{font-size:clamp(1.5rem,4vw,2rem);margin:0 0 .25rem}h2{font-size:1.1rem;margin:2rem 0 .5rem}.lede{color:var(--muted);margin:0 0 2rem;max-width:46rem}.muted{color:var(--muted)}form{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:1.25rem}.grid{display:grid;gap:1rem;grid-template-columns:repeat(auto-fit,minmax(11rem,1fr))}.field{display:flex;flex-direction:column;gap:.35rem;min-width:0}.field-label{font-size:.85rem;font-weight:600}.field-hint{font-size:.75rem;color:var(--muted)}input{background:var(--bg);border:1px solid var(--line);border-radius:8px;color:var(--text);padding:.55rem .7rem;font:inherit;min-width:0;width:100%}input:focus-visible{outline:2px solid var(--accent);outline-offset:1px}button{margin-top:1.1rem;background:var(--accent);color:var(--on-accent);border:0;border-radius:8px;padding:.65rem 1.3rem;font:inherit;font-weight:650;cursor:pointer;min-height:44px}button:disabled{opacity:.6;cursor:progress}.error{margin-top:1rem;border:1px solid #7a2c2c;background:#2a1414;color:#ffb4a8;border-radius:8px;padding:.7rem .9rem}.result{margin-top:2rem}.two-up{display:grid;gap:1.5rem;grid-template-columns:minmax(0,20rem) minmax(0,1fr);align-items:start}@media(max-width:48rem){.two-up{grid-template-columns:1fr}}.bodygraph{margin:0}.bodygraph svg{width:100%;height:auto;display:block}.bodygraph figcaption{color:var(--muted);font-size:.8rem;margin-top:.6rem}.channel{stroke:var(--accent);stroke-width:6;stroke-linecap:round;opacity:.85}.centre polygon{stroke:var(--line);stroke-width:2;fill:var(--panel)}.centre.defined polygon{fill:var(--accent);stroke:var(--accent)}.centre text{font-size:10px;fill:var(--text);pointer-events:none}.centre.defined text{fill:var(--on-accent);font-weight:700}.summary{margin:0;display:grid;gap:.1rem}.summary>div{display:grid;grid-template-columns:10rem minmax(0,1fr);gap:.75rem;padding:.5rem 0;border-bottom:1px solid var(--line)}@media(max-width:30rem){.summary>div{grid-template-columns:1fr;gap:.1rem}}.summary dt{color:var(--muted);font-size:.85rem;margin:0}.summary dd{margin:0;font-weight:600}.channels{list-style:none;padding:0;margin:0;display:grid;gap:.4rem}.channels li{display:grid;grid-template-columns:4.5rem minmax(0,1fr) auto;gap:.75rem;align-items:baseline;padding:.45rem .6rem;background:var(--panel);border:1px solid var(--line);border-radius:8px}.channels em{color:var(--muted);font-size:.8rem;font-style:normal}table.activations{border-collapse:collapse;width:100%;max-width:30rem}table.activations th,table.activations td{text-align:left;padding:.35rem .6rem;border-bottom:1px solid var(--line);font-size:.9rem}table.activations th{color:var(--muted);font-weight:600}code{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.9em}code.design{color:var(--design)}footer{margin-top:3rem;color:var(--muted);font-size:.9rem;line-height:2.2}footer a{display:inline-block;padding:6px 0}a{color:var(--accent)}