@charset "UTF-8";
:root{color-scheme:light;--paper:#f5f3ec;--ink:#252c29;--muted:#626b63;--line:#d9ddd3;--accent:#386749;--wash:#eaf0e5;font-family:ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;font-size:16px;color:var(--ink);background:var(--paper)}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:2rem}body{margin:0;line-height:1.65}a{color:var(--accent);text-underline-offset:.2em}a:hover{color:var(--ink)}a:focus-visible,input:focus-visible,.table-scroll:focus-visible{outline:2px solid var(--accent);outline-offset:5px}[hidden]{display:none!important}.skip{position:absolute;top:-10rem;left:1rem;background:var(--paper);padding:.5rem 1rem;z-index:10}.skip:focus{top:1rem}.layout{max-width:1120px;margin:0 auto;display:grid;grid-template-columns:210px minmax(0,1fr);gap:68px;padding:64px 36px 36px}.sidebar{position:sticky;top:48px;align-self:start}.wordmark{font:600 24px/1.2 Georgia,"Times New Roman",serif;letter-spacing:-.03em;text-decoration:none;color:var(--ink)}.wordmark span{display:block;margin-top:10px;font:400 12px/1.4 ui-sans-serif,system-ui,sans-serif;letter-spacing:.02em;color:var(--muted)}nav{margin-top:46px;display:flex;flex-direction:column;gap:12px}nav a{text-decoration:none;font-size:14px;color:var(--muted);border-left:2px solid var(--line);padding:3px 0 3px 16px}nav a:hover,nav a:focus-visible{color:var(--accent);border-color:var(--accent)}main{min-width:0}.introduction{padding:2px 0 4px}.eyebrow{text-transform:uppercase;font-size:11px;letter-spacing:.17em;color:var(--accent);margin:0 0 16px;font-weight:650}h1,h2,h3{font-family:Georgia,"Times New Roman",serif;font-weight:400;line-height:1.2;text-wrap:balance}h1{font-size:clamp(44px,6vw,66px);letter-spacing:-.045em;margin:0 0 20px}h2{font-size:32px;letter-spacing:-.025em;margin:0 0 16px}h3{font-size:22px;margin:0 0 14px}.lede{font-size:19px;line-height:1.65;color:#505b52;max-width:38em;margin:0}.intro-rule{margin-top:36px;width:48px;height:3px;background:var(--accent)}section{padding:48px 0;border-bottom:1px solid var(--line)}p{margin:0 0 16px}.section-intro{color:var(--muted);margin-bottom:28px}.reference-block+.reference-block{margin-top:32px}.table-scroll{overflow-x:auto;border:1px solid var(--line);border-radius:4px;margin:18px 0 24px;scrollbar-width:thin}table{border-collapse:collapse;width:100%;font-size:14px;text-align:left}th{font-size:11px;font-weight:650;letter-spacing:.035em;color:var(--muted);background:var(--wash);vertical-align:bottom}th,td{padding:11px 14px}td{border-top:1px solid var(--line);vertical-align:top}td:first-child{font-weight:600;color:var(--accent)}td:only-child{font-weight:400}tbody tr:hover{background:#edf0e7}.example{margin:18px 0;padding:16px 20px;border-left:2px solid #9fb397;background:#ecefe6}.example>p:first-child{font-family:Georgia,"Times New Roman",serif;font-size:23px;margin:0 0 5px}.example figcaption{font-size:15px}.example .example-note{margin:8px 0 0;font-size:13px;color:var(--muted)}.search{margin:0 0 28px}.search label{display:block;font-size:13px;font-weight:600;margin:0 0 8px}.search input{font:inherit;background:#fffdf7;border:1px solid #aebca9;border-radius:4px;padding:11px 14px;width:100%;max-width:420px}.search #search-status{font-size:12px;color:var(--muted);margin:8px 0 0;min-height:20px}footer{padding:26px 0 8px;font-size:13px}footer a{text-decoration:none}
.numeral{display:inline-block;min-width:3.5rem;padding:8px 4px;vertical-align:middle;color:var(--ink);font-size:16px;font-weight:400}.numeral .katex{font-size:1em}.numeral .katex-display{margin:0}.numeral .katex-display>.katex{text-align:center}
.converter{margin:28px 0 36px;padding:24px;border:1px solid #b7c8ae;border-radius:6px;background:#edf1e8}.converter h3{margin-bottom:12px}.converter h4{font:600 14px/1.4 ui-sans-serif,system-ui,sans-serif;margin:0 0 14px}.converter fieldset{border:0;padding:0;margin:0;min-width:0}.converter label{display:block;font-size:12px;font-weight:600;margin-bottom:7px}.converter-inputs{display:grid;grid-template-columns:minmax(0,1fr) auto auto;gap:12px;align-items:end}.converter input,.converter select,.converter textarea{font:inherit;color:var(--ink);background:#fffdf7;border:1px solid #aebca9;border-radius:4px;padding:10px 12px;width:100%}.converter button{font:600 13px/1.4 ui-sans-serif,system-ui,sans-serif;border:1px solid var(--accent);border-radius:4px;padding:13px 16px;background:var(--accent);color:white;cursor:pointer}.converter button:hover{background:#294e36}.converter :is(button,select,textarea,summary):focus-visible{outline:2px solid var(--accent);outline-offset:3px}.converter-help{font-size:12px;color:var(--muted);margin:10px 0}.converter-error{font-size:14px;color:#8c2a22;margin:10px 0}.converter-error:empty,#converter-status:empty{display:none}.conversion-values{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin:24px 0;padding:18px 0;border-top:1px solid #cbd5c4;border-bottom:1px solid #cbd5c4}.conversion-values dt{font-size:11px;color:var(--muted);font-weight:600;margin-bottom:6px}.conversion-values dd{margin:0;font-size:16px;overflow-wrap:anywhere}.conversion-values .word-result{grid-column:1/-1}.word-result dd{font:400 24px/1.5 Georgia,"Times New Roman",serif;color:var(--accent)}.converter textarea{font:12px/1.6 ui-monospace,SFMono-Regular,Consolas,monospace;resize:vertical;display:block;margin-bottom:10px;min-height:4rem}.converted-math{overflow-x:auto;margin:14px 0 20px;padding:12px 4px}.converted-math .katex-display{margin:0}.converted-math .katex{font-size:1em}.octal-source{margin-top:24px;border-top:1px solid #cbd5c4;padding-top:16px}.octal-source summary{font-size:13px;color:var(--accent);cursor:pointer}#numbers td:nth-child(2){overflow-wrap:anywhere;max-width:22rem}#numbers td:has(.numeral),#numbers tr:has(.numeral) td{vertical-align:middle}
@media(max-width:540px){.converter{padding:18px 14px}.converter-inputs{grid-template-columns:minmax(0,1fr) auto}.converter-inputs>div:first-child{grid-column:1/-1}.converter select{font-size:14px}.converter button{padding:12px}.conversion-values{gap:12px}.word-result dd{font-size:21px}}
@media(max-width:780px){html{scroll-padding-top:1rem}.layout{display:block;padding:26px 22px}.sidebar{position:static;margin-bottom:36px}.wordmark{font-size:21px}.wordmark span{display:inline;font-size:11px;margin-left:12px;letter-spacing:0}nav{margin-top:22px;display:flex;flex-direction:row;gap:10px 20px;flex-wrap:wrap;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:12px 0}nav a{border:0;padding:0;font-size:13px}h1{font-size:48px}h2{font-size:29px}.lede{font-size:17px}section{padding:36px 0}th,td{padding:10px 12px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
@media print{.layout{display:block;padding:0;max-width:none}.sidebar,.search,.converter,footer,.skip{display:none}body{background:white;color:black;font-size:11pt}h1{font-size:32pt}h2{font-size:22pt}section{padding:22px 0}.table-scroll{overflow:visible}tr,.example{break-inside:avoid}a{color:inherit;text-decoration:none}}