:root{--accent:#6f42c1;--accent-hover:#59359a;--accent-soft:#f3eefb;color:#24292f;font-synthesis:none;background:#f6f8fa;font-family:system-ui,sans-serif;line-height:1.6}html{scrollbar-gutter:stable}*{box-sizing:border-box}body{margin:0}a{color:var(--accent);text-underline-offset:4px}a:hover{color:var(--accent-hover);text-decoration:underline}header{background:#fff;border-bottom:1px solid #d0d7de;justify-content:space-between;align-items:center;gap:24px;padding:22px max(24px,50vw - 600px);display:flex;position:relative}.brand:hover{text-decoration:none}.brand{color:var(--accent);white-space:nowrap;letter-spacing:-.035em;word-spacing:-.2em;font:700 18px ui-monospace,monospace;text-decoration:none}nav{gap:24px;font-size:14px;display:flex}nav a{color:#57606a;text-decoration:none}nav a[aria-current]{color:var(--accent);text-decoration:underline}main{max-width:1248px;margin:auto;padding:24px}.eyebrow{letter-spacing:.15em;color:var(--accent);font-size:12px;font-weight:700}h1{letter-spacing:-.04em;margin:12px 0;font-size:clamp(28px,4vw,44px);line-height:1.2}.intro{color:#57606a;margin-bottom:32px}button{font:inherit;color:inherit;cursor:pointer;background:#fff;border:1px solid #d0d7de;border-radius:7px;padding:9px 12px}button:hover{background:var(--accent-soft)}.workspace{grid-template-columns:1fr;gap:20px;display:grid}.panel{background:#fff;border:1px solid #d0d7de;border-radius:12px;min-width:0;padding:26px;box-shadow:0 4px 20px #24292f04}label{font-weight:600}input[type=text]{color:#24292f;background:#fff;border:2px solid #8c8598;border-radius:7px;width:100%;min-width:0;margin-top:10px;padding:13px;font:20px/1.6 ui-monospace,monospace;display:block}:focus-visible{outline:2px solid var(--accent);outline-offset:3px}.hint{color:#57606a;margin:8px 0 28px;font-size:12px}.hint:last-child{margin-bottom:0}h2{margin:0;font-size:18px}h3{text-transform:uppercase;letter-spacing:.07em;color:#57606a;margin:22px 0 8px;font-size:12px}.badge{color:#1a7f37;background:#dafbe1;border-radius:20px;margin-left:10px;padding:3px 10px;font-size:12px;font-weight:500;display:inline-block}.badge[data-state=error],.badge[data-state=miss]{color:#cf222e;background:#ffebe9}#message{overflow-wrap:anywhere;font-size:14px}pre,code{font-family:ui-monospace,monospace;font-size:.9em}pre{white-space:pre-wrap;overflow-wrap:anywhere;background:#f6f8fa;border-radius:7px;margin:0;padding:14px}summary{cursor:pointer;color:#57606a;margin:22px 0 10px;font-size:13px}.footnote{text-align:center;color:#57606a;margin-top:22px;font-size:13px}.footnote a{margin-left:12px}.prose{max-width:920px}.prose h2{margin-top:48px;font-size:26px}.prose h3{text-transform:none;letter-spacing:normal;color:#24292f;margin-top:30px;font-size:19px}.prose table{border-collapse:collapse;margin:22px 0;font-size:14px;display:block;overflow-x:auto}.prose td,.prose th{text-align:left;border:1px solid #d0d7de;padding:10px 14px}.prose blockquote{color:#57606a;border-left:3px solid #d0d7de;margin-left:0;padding-left:20px}.prose :is(h1,h2,h3,h4){scroll-margin-top:calc(var(--syntax-header-height,67px) + 24px)}@media (width<=720px){header{flex-direction:column;gap:14px}main{padding-top:20px}.workspace{grid-template-columns:1fr}.panel{padding:20px}nav{gap:20px}input[type=text]{font-size:16px}.footnote a{margin-left:0;display:block}}.editor label{font-size:18px}.input-heading{align-items:center;gap:0;display:flex}.result-values{grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;display:grid}.result-values h3{margin-top:8px}.positional-result{align-items:baseline;gap:16px;margin-bottom:16px;display:flex}.positional-result h3{flex-shrink:0;margin:0}.positional-result pre{flex:1;min-width:0;padding:8px 14px}.preview-label{text-transform:none;letter-spacing:normal;font-weight:400}.examples{flex-wrap:wrap;align-items:baseline;gap:4px 18px;margin:10px 0 22px;font-size:12px;display:flex}.examples button{text-align:left;overflow-wrap:anywhere;min-width:0;color:var(--accent);text-underline-offset:5px;background:0 0;border:0;border-radius:0;padding:4px 0;font-family:ui-monospace,monospace;-webkit-text-decoration:underline dashed;text-decoration:underline dashed;text-decoration-thickness:1px}.examples button:hover{color:var(--accent-hover);text-decoration-style:solid}.syntax-layout{grid-template-columns:250px minmax(0,1fr);align-items:start;gap:40px;display:grid}.syntax-index{top:calc(var(--syntax-header-height,67px) + 24px);max-height:calc(100vh - 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