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.handle{border:none;border-inline-start:1px solid var(--line-strong);background-color:var(--paper-raised);cursor:ew-resize;touch-action:none;flex:none;justify-content:center;align-items:center;inline-size:1rem;display:flex}.playground .handle:is(:hover,:focus-visible){background-color:color-mix(in srgb, var(--accent) 16%, var(--paper-raised))}.playground .handle span{background-color:var(--line-strong);block-size:1.5rem;inline-size:2px}.playground .controls{gap:var(--s3) var(--s4);padding:var(--s3);border-block-start:1px solid var(--line);flex-wrap:wrap;display:flex}.playground label{align-items:center;gap:var(--s2);cursor:pointer;display:flex}.playground label>span:first-child{color:var(--ink-soft);font:var(--label);letter-spacing:.14em;text-transform:uppercase}.playground label [type=range]{accent-color:var(--accent)}.playground label output{min-width:4ch;font-family:var(--mono-ui);font-size:var(--text-sm);color:var(--ink-faint)}.playground [type=checkbox]{opacity:0;pointer-events:none;position:absolute}.playground [type=checkbox]+span{background-color:var(--line-strong);block-size:1.2rem;inline-size:2.2rem;transition:background-color var(--quick) var(--ease);border-radius:1rem;position:relative}.playground [type=checkbox]+span:after{content:"";background-color:var(--paper);block-size:.9rem;inline-size:.9rem;transition:translate var(--quick) var(--ease);border-radius:50%;position:absolute;inset-block-start:2px;inset-inline-start:2px}.playground [type=checkbox]:checked+span{background-color:var(--accent)}.playground [type=checkbox]:checked+span:after{translate:1rem}.playground [type=checkbox]:focus-visible+span{outline:2px solid var(--accent);outline-offset:2px}.grid-demo{display:grid}.grid-demo>*{min-block-size:3rem;padding:var(--s2);font-family:var(--mono-ui);color:var(--paper);background-color:var(--accent);place-items:center;display:grid}.grid-demo>:nth-child(2n){background-color:color-mix(in srgb, var(--accent) 70%, var(--ink))}@view-transition{navigation:auto}@keyframes fade-up{0%{opacity:0;transform:translateY(1rem)}to{opacity:1;transform:translateY(0)}}@media (prefers-reduced-motion:no-preference){#about>p:first-child,#about h1,main>h1,article>header{animation:fade-up .6s var(--ease) both}#about>p,#articles{animation:fade-up .7s var(--ease) .2s both}.scroll-reveal-heading{opacity:0;transition:opacity .7s var(--ease), transform .7s var(--ease);transform:translateY(1rem)}.scroll-reveal-heading.is-visible{opacity:1;transform:translateY(0)}}@media (prefers-reduced-motion:reduce){@view-transition{navigation:none}*,:before,:after{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}}@media print{:root{--paper:#fff;--ink:#000;--ink-soft:#555;--line:#ccc;--accent:#000}body{font-size:11pt;line-height:1.5}main>nav[aria-label=Breadcrumb],#progress{display:none}.margin-note{width:auto;page-break-inside:avoid;margin-block-start:var(--s1);display:block;position:static}h1{page-break-after:avoid;font-size:24pt}h2{page-break-after:avoid;font-size:16pt}h3{page-break-after:avoid;font-size:12pt}p,li{orphans:3;widows:3}a{color:inherit;text-decoration:none}a[href^=http]:after{content:" (" attr(href) ")";font-size:.8em}pre,blockquote,figure{page-break-inside:avoid}@page{margin:2cm 2.5cm;size:A4 portrait}}