:root{--paper:#f3f3ed;--ink:#20362a;--muted:#68736b;--line:#dce1d6;--lime:#d9e8b4}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:25px}body{margin:0;background:var(--paper);color:var(--ink);font-family:Arial,Helvetica,sans-serif;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button,textarea{font:inherit}button{cursor:pointer;color:inherit}button:disabled{opacity:.5;cursor:wait}button,a,summary{touch-action:manipulation}button:focus-visible,a:focus-visible,summary:focus-visible,textarea:focus-visible,[tabindex]:focus-visible{outline:3px solid #bc704e;outline-offset:4px}[hidden]{display:none!important}h1,h2,p{margin:0}p{line-height:1.6}.shell{width:min(1160px,calc(100% - 64px));margin:auto}.demo-header{height:78px;display:flex;align-items:center;justify-content:space-between}.brand{display:flex;gap:10px;align-items:center;font-size:22px;font-weight:700;letter-spacing:-.7px}.brand 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