@font-face{font-family:"Libertinus Serif";src:url(/fonts/libertinus-serif-latin-400.woff2) format("woff2");font-weight:400;font-style:normal;font-display:swap}:root{color-scheme:light dark;--paper: light-dark(#eaecf0, #101418);--page: light-dark(#ffffff, #181c21);--field: light-dark(#ffffff, #101418);--ink: light-dark(#202122, #eaecf0);--ink-soft: light-dark(#54595d, #a2a9b1);--rule: light-dark(#a2a9b1, #54595d);--rule-soft: light-dark(#c8ccd1, #3b4046);--link: light-dark(#2a4b8d, #88a3e8);--action: #3366cc;--action-pressed: light-dark(#2a4b8d, #4d7de0);--on-action: #ffffff;--ok-wash: light-dark(#dff2eb, #10291f);--ok-rule: light-dark(#14866d, #2cb491);--error-wash: light-dark(#fee7e6, #33130f);--error-rule: light-dark(#b32424, #f54739);--error-ink: light-dark(#8c1d1d, #ffb8b0);--focus: light-dark(#3366cc, #88a3e8);--serif: "Libertinus Serif", "Linux Libertine", Georgia, "Times New Roman", serif;--sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;--mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace}:root[data-theme=light]{color-scheme:light}:root[data-theme=dark]{color-scheme:dark}*,*:before,*:after{box-sizing:border-box}body{margin:0;color:var(--ink);background:var(--paper);font-family:var(--sans);font-size:1rem;line-height:1.55;-webkit-text-size-adjust:100%}.column{max-width:40rem;margin:0 auto;padding:3rem 1.5rem}.sheet{padding:clamp(1.5rem,5vw,2.75rem);background:var(--page);border:1px solid var(--rule-soft);border-radius:2px}.topline{display:flex;gap:1rem;align-items:baseline;justify-content:space-between;margin-bottom:1.25rem}.masthead{margin:0;color:var(--ink-soft);font-family:var(--serif);font-size:1.25rem;line-height:1}.masthead a{color:inherit;text-decoration:none}.masthead a:hover{color:var(--link)}h1,h2{margin:0;font-family:var(--serif);font-weight:400;text-wrap:balance}h1{padding-bottom:.28em;border-bottom:1px solid var(--rule);font-size:clamp(1.9rem,1.2rem + 3.5vw,2.6rem);line-height:1.12;letter-spacing:-.005em}h2{font-size:1.55rem;line-height:1.2}p{margin:0}a{color:var(--link);text-underline-offset:.15em}a:hover{text-decoration-thickness:2px}button,a.button{display:inline-flex;align-items:center;justify-content:center;min-height:2.75rem;padding:.5rem 1.1rem;color:var(--on-action);background:var(--action);border:1px solid var(--action);border-radius:2px;font:700 .95rem/1.2 var(--sans);text-align:center;text-decoration:none;cursor:pointer}button:hover:not(:disabled),a.button:hover{background:var(--action-pressed);border-color:var(--action-pressed)}button.plain{color:var(--ink);background:var(--field);border-color:var(--rule)}button.plain:hover:not(:disabled){color:var(--link);background:var(--field);border-color:var(--link)}button.quiet{min-height:0;padding:.25rem 0;font-size:.875rem;color:var(--ink-soft);background:none;border:0;font-weight:400;text-decoration:underline;text-underline-offset:.15em}button.quiet:hover:not(:disabled){color:var(--link);background:none}.theme-toggle,.theme-toggle span{display:none}:root[data-theme] .theme-toggle{display:inline-flex}:root[data-theme=dark] .theme-toggle .to-light,:root[data-theme=light] .theme-toggle .to-dark{display:inline}button:disabled{opacity:.55;cursor:progress}:focus-visible{outline:2px solid var(--focus);outline-offset:2px}.footnote{margin-top:1.5rem;padding:0 .5rem;color:var(--ink-soft);font-size:.82rem;text-align:center}@media(max-width:32rem){.column{padding:1.25rem .75rem}}