:root{--ink:#10213b;--muted:#5a6b84;--paper:#f7f9fc;--card:#fff;--line:#dfe6ef;--primary:#3859d6;--primary-dark:#2740a0;--accent:#8f55d8;--warm:#ffb24a;--good:#167a5a;--shadow:0 18px 48px #1f30531f}*{box-sizing:border-box}html{scroll-behavior:smooth}body{color:var(--ink);background:radial-gradient(circle at 10% 0%, #8f55d81f, transparent 30%), radial-gradient(circle at 90% 10%, #3859d61f, transparent 32%), var(--paper);margin:0;font-family:Arial,Helvetica,sans-serif;line-height:1.55}a{color:inherit;text-decoration:none}button,input,select{font:inherit}button{cursor:pointer}:where(a,button,input,select,[role=button]):focus-visible,.nl-track:focus-visible{outline-offset:3px;outline:3px solid #ffb24a}.page-shell{width:min(920px,100% - 40px);margin:0 auto;padding:64px 0 52px}.demo-shell{max-width:860px;margin:0 auto}.standalone-header{margin-bottom:28px}.standalone-header h1{letter-spacing:-.05em;margin:4px 0 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