svg[data-astro-cid-5ircma5x]{width:100%;height:auto;font-family:var(--font-atkinson), sans-serif;color:#244a35;display:block}text[data-astro-cid-5ircma5x]{fill:#244a35;font-size:16px}.small[data-astro-cid-5ircma5x]{font-family:var(--mono);letter-spacing:1px;font-size:10px}.mono[data-astro-cid-5ircma5x]{font-family:var(--mono);font-size:13px}.light[data-astro-cid-5ircma5x]{fill:#fffbed}.paper[data-astro-cid-5ircma5x]{fill:#fffcf3;stroke:#b4baa4}.branch[data-astro-cid-5ircma5x]{fill:none;stroke:#557a46;stroke-width:1.7px;stroke-linejoin:round}.hero-art[data-astro-cid-5ircma5x] .mono[data-astro-cid-5ircma5x]{font-size:18px}.lab[data-astro-cid-4pyy7hj4]{background:#e5eddf;border:1px solid #9bad90;border-radius:16px;margin:2rem 0;padding:clamp(16px,4vw,30px)}.lab-label[data-astro-cid-4pyy7hj4]{font:11px var(--mono);text-transform:uppercase;letter-spacing:.1em;color:#345137}label[data-astro-cid-4pyy7hj4]{margin:1.4rem 0 .6rem;font-weight:700;display:block}.input-row[data-astro-cid-4pyy7hj4]{gap:8px;display:flex}input[data-astro-cid-4pyy7hj4]{color:#172019;width:100%;min-width:0;font:16px var(--mono);background:#fffdf7;border:1px solid #7c8c75;border-radius:5px;padding:12px}button[data-astro-cid-4pyy7hj4]{cursor:pointer;font:13px var(--mono);color:#fffdf7;white-space:nowrap;background:#244a35;border:1px solid #244a35;border-radius:5px;padding:10px 14px}button[data-astro-cid-4pyy7hj4]:hover{background:#3d6246}[data-astro-cid-4pyy7hj4]:is(button,input,.tree-scroll):focus-visible{outline-offset:3px;outline:3px solid #8b4930}#expression-help[data-astro-cid-4pyy7hj4]{font-size:.82rem;line-height:1.6}.presets[data-astro-cid-4pyy7hj4]{flex-wrap:wrap;gap:7px;display:flex}.presets[data-astro-cid-4pyy7hj4] button[data-astro-cid-4pyy7hj4]{color:#244a35;background:#f8f5ec;font-size:11px}#expression-status[data-astro-cid-4pyy7hj4]{font:13px / 1.7 var(--mono);overflow-wrap:anywhere}.token-row[data-astro-cid-4pyy7hj4]{flex-wrap:wrap;gap:5px;display:flex}.token-row[data-astro-cid-4pyy7hj4] code{background:#f8f5ec;border:1px solid #a5b49c}.tree-scroll[data-astro-cid-4pyy7hj4]{padding:20px 0;overflow-x:auto}.tree[data-astro-cid-4pyy7hj4]{min-width:max-content}.tree[data-astro-cid-4pyy7hj4] ul{justify-content:center;margin:0;padding:24px 0 0;list-style:none;display:flex;position:relative}.tree[data-astro-cid-4pyy7hj4] li{text-align:center;margin:0;padding:24px 12px 0;position:relative}.tree[data-astro-cid-4pyy7hj4] li:before,.tree[data-astro-cid-4pyy7hj4] li:after{content:"";border-top:1px solid #6b8465;width:50%;height:24px;position:absolute;top:0;right:50%}.tree[data-astro-cid-4pyy7hj4] li:after{border-left:1px solid #6b8465;left:50%;right:auto}.tree[data-astro-cid-4pyy7hj4] li:only-child:before,.tree[data-astro-cid-4pyy7hj4] li:only-child:after{display:none}.tree[data-astro-cid-4pyy7hj4] li:only-child{padding-top:0}.tree[data-astro-cid-4pyy7hj4] li:first-child:before,.tree[data-astro-cid-4pyy7hj4] li:last-child:after{border:0}.tree[data-astro-cid-4pyy7hj4] li:last-child:before{border-right:1px solid #6b8465}.tree[data-astro-cid-4pyy7hj4] ul ul:before{content:"";border-left:1px solid #6b8465;height:24px;position:absolute;top:0;left:50%}.tree[data-astro-cid-4pyy7hj4] span{color:#244a35;min-width:42px;font:15px var(--mono);background:#fffdf7;border:1px solid #8da481;border-radius:7px;padding:7px 12px;display:inline-block}summary[data-astro-cid-4pyy7hj4]{cursor:pointer;font-size:.9rem}ol[data-astro-cid-4pyy7hj4]{font:12px / 1.8 var(--mono);padding-left:1.5rem}@media print{form[data-astro-cid-4pyy7hj4],.presets[data-astro-cid-4pyy7hj4]{display:none}.tree-scroll[data-astro-cid-4pyy7hj4]{overflow:visible}}.grammar-guide[data-astro-cid-kai3ywri]{--guide-green:#244a35;--guide-muted:#52604f}.masthead[data-astro-cid-kai3ywri]{grid-template-columns:1.15fr 1fr;align-items:center;gap:35px;padding:55px 0 48px;display:grid}.back[data-astro-cid-kai3ywri]{color:var(--guide-muted);font:12px var(--mono);margin-bottom:30px;text-decoration:none;display:block}.masthead[data-astro-cid-kai3ywri] .eyebrow[data-astro-cid-kai3ywri]{letter-spacing:.1em;font-size:9px}h1[data-astro-cid-kai3ywri]{letter-spacing:-.065em;color:var(--guide-green);margin:18px 0 25px;font-size:clamp(3rem,5.8vw,4.8rem);font-weight:400;line-height:1.07}h1[data-astro-cid-kai3ywri] em[data-astro-cid-kai3ywri]{color:#9d5039;font-weight:400}.dek[data-astro-cid-kai3ywri]{max-width:38ch;font-size:1.08rem;line-height:1.7}.guide-meta[data-astro-cid-kai3ywri]{font:10px / 1.9 var(--mono);text-transform:uppercase;letter-spacing:.08em;color:var(--guide-muted);margin-top:26px}.hero-visual[data-astro-cid-kai3ywri]{filter:drop-shadow(0 15px 18px #24362414);transform:rotate(1.5deg)}.intro-note[data-astro-cid-kai3ywri]{border-top:1px solid var(--ink);border-bottom:1px solid var(--rule);grid-template-columns:190px 1fr;gap:26px;padding:25px 0;display:grid}.intro-note[data-astro-cid-kai3ywri] span[data-astro-cid-kai3ywri]{font:10px var(--mono);letter-spacing:.1em;color:#8c482f;padding-top:5px}.intro-note[data-astro-cid-kai3ywri] p[data-astro-cid-kai3ywri]{margin:0;font-size:.93rem}.guide-layout[data-astro-cid-kai3ywri]{grid-template-columns:190px minmax(0,1fr);align-items:start;gap:40px;padding-top:65px;display:grid}.contents[data-astro-cid-kai3ywri]{font-family:var(--font-atkinson), sans-serif;position:sticky;top:28px}.nav-label[data-astro-cid-kai3ywri]{font:10px var(--mono);text-transform:uppercase;letter-spacing:.15em;color:#8c482f;margin:0 0 18px}.contents[data-astro-cid-kai3ywri] ol[data-astro-cid-kai3ywri]{margin:0;padding:0;list-style:none}.contents[data-astro-cid-kai3ywri] li[data-astro-cid-kai3ywri]{margin-bottom:12px}.contents[data-astro-cid-kai3ywri] a[data-astro-cid-kai3ywri]{color:#45513f;align-items:baseline;gap:10px;font-size:13px;line-height:1.5;text-decoration:none;display:flex}.contents[data-astro-cid-kai3ywri] a[data-astro-cid-kai3ywri]:hover{color:#944a32;text-decoration:underline}.contents[data-astro-cid-kai3ywri] a[data-astro-cid-kai3ywri] span[data-astro-cid-kai3ywri]{font:9px var(--mono);color:#8c482f}.contents[data-astro-cid-kai3ywri] .reference-link[data-astro-cid-kai3ywri]{margin-top:25px;font-size:11px}article[data-astro-cid-kai3ywri]{min-width:0;font-family:var(--font-atkinson), sans-serif;font-size:18px;line-height:1.8}section[data-astro-cid-kai3ywri]{margin-bottom:85px;scroll-margin-top:25px}.chapter[data-astro-cid-kai3ywri]{color:#8c482f;font:10px / 1.6 var(--mono);text-transform:uppercase;letter-spacing:.12em;margin:0 0 15px}h2[data-astro-cid-kai3ywri]{font:400 clamp(1.9rem, 3vw, 2.65rem) / 1.2 var(--serif);letter-spacing:-.035em;color:var(--guide-green);margin:0 0 25px}h3[data-astro-cid-kai3ywri]{font:400 1.35rem / 1.4 var(--serif);color:var(--guide-green);margin:35px 0 18px}article[data-astro-cid-kai3ywri] p[data-astro-cid-kai3ywri]{margin:0 0 22px}article[data-astro-cid-kai3ywri] a[data-astro-cid-kai3ywri]{color:#31583b;text-underline-offset:3px;text-decoration-color:#b36345}article[data-astro-cid-kai3ywri] a[data-astro-cid-kai3ywri]:hover{color:#944a32}article[data-astro-cid-kai3ywri] strong[data-astro-cid-kai3ywri]{color:#244a35}article[data-astro-cid-kai3ywri] pre{font:12px / 1.9 var(--mono);border:1px solid #354334;border-radius:9px;margin:24px 0;padding:22px;overflow-x:auto}article[data-astro-cid-kai3ywri] pre code{font:inherit;background:0 0;padding:0}.callout[data-astro-cid-kai3ywri]{background:#e5eadb;border-left:3px solid #557a46;border-radius:0 10px 10px 0;margin:30px 0;padding:20px 25px}.callout[data-astro-cid-kai3ywri]>strong[data-astro-cid-kai3ywri]{font-family:var(--serif);margin-bottom:10px;display:block}.callout[data-astro-cid-kai3ywri] p[data-astro-cid-kai3ywri]{margin:0;font-size:16px}figure[data-astro-cid-kai3ywri]{margin:35px 0}.diagram[data-astro-cid-kai3ywri]{background:#efefe2;border:1px solid #c9cebb;border-radius:12px;padding:14px}figcaption[data-astro-cid-kai3ywri]{font:11px / 1.7 var(--mono);color:#52604f;margin-top:12px}.table-scroll[data-astro-cid-kai3ywri]{margin:27px 0;overflow-x:auto}table[data-astro-cid-kai3ywri]{border-collapse:collapse;width:100%;font-size:14px;line-height:1.6}th[data-astro-cid-kai3ywri]{text-align:left;color:#244a35;font:11px / 1.7 var(--mono);text-transform:uppercase;border-top:2px solid #244a35}th[data-astro-cid-kai3ywri],td[data-astro-cid-kai3ywri]{vertical-align:top;border-bottom:1px solid #c1c6b3;padding:13px 12px}td[data-astro-cid-kai3ywri]:first-child{min-width:135px}details[data-astro-cid-kai3ywri].exercise,.source-code[data-astro-cid-kai3ywri]{background:#efe8d8;border:1px solid #c6b491;border-radius:8px;margin:28px 0;padding:20px 22px;font-size:16px}summary[data-astro-cid-kai3ywri]{cursor:pointer;color:#244a35;font-weight:700;line-height:1.6}details[data-astro-cid-kai3ywri][open]>summary[data-astro-cid-kai3ywri]{margin-bottom:18px}details[data-astro-cid-kai3ywri] p[data-astro-cid-kai3ywri]:last-child{margin-bottom:0}.code-pair[data-astro-cid-kai3ywri]{grid-template-columns:1fr 1fr;gap:18px;display:grid}.code-pair[data-astro-cid-kai3ywri]>div[data-astro-cid-kai3ywri]{min-width:0}.code-label[data-astro-cid-kai3ywri]{font:10px var(--mono);color:#52604f;text-transform:uppercase}.practice-list[data-astro-cid-kai3ywri]{padding-left:22px}.practice-list[data-astro-cid-kai3ywri] li[data-astro-cid-kai3ywri]{padding:0 0 18px 10px}.references[data-astro-cid-kai3ywri]{border-top:1px solid #bdb6a5;padding-top:30px;font-size:15px}.references[data-astro-cid-kai3ywri] li[data-astro-cid-kai3ywri]{margin-bottom:12px}.references[data-astro-cid-kai3ywri] h2[data-astro-cid-kai3ywri]{font-size:1.8rem}.back-to-top[data-astro-cid-kai3ywri]{font:12px var(--mono);margin-top:30px;display:inline-block}[data-astro-cid-kai3ywri]:is(a,summary,.table-scroll):focus-visible{outline-offset:4px;outline:3px solid #8b4930}@media (width<=950px){.masthead[data-astro-cid-kai3ywri]{grid-template-columns:1fr 1fr;gap:20px}.guide-layout[data-astro-cid-kai3ywri]{grid-template-columns:1fr;gap:40px;padding-top:40px}.contents[data-astro-cid-kai3ywri]{border-bottom:1px solid var(--rule);padding-bottom:25px;position:static}.contents[data-astro-cid-kai3ywri] ol[data-astro-cid-kai3ywri]{grid-template-columns:1fr 1fr;gap:0 22px;display:grid}article[data-astro-cid-kai3ywri]{width:100%;max-width:760px;margin:0 auto}.intro-note[data-astro-cid-kai3ywri]{grid-template-columns:1fr;gap:10px}}@media (width<=600px){.masthead[data-astro-cid-kai3ywri]{grid-template-columns:1fr;padding-top:30px}h1[data-astro-cid-kai3ywri]{font-size:clamp(2.9rem,12vw,4rem)}.hero-visual[data-astro-cid-kai3ywri]{max-width:430px;margin:8px auto 20px;transform:none}.contents[data-astro-cid-kai3ywri] ol[data-astro-cid-kai3ywri]{grid-template-columns:1fr}article[data-astro-cid-kai3ywri]{font-size:17px}.code-pair[data-astro-cid-kai3ywri]{grid-template-columns:1fr}.diagram[data-astro-cid-kai3ywri]{padding:5px;overflow-x:auto}.diagram[data-astro-cid-kai3ywri] svg{min-width:550px}article[data-astro-cid-kai3ywri] pre{padding:16px;font-size:11px}section[data-astro-cid-kai3ywri]{margin-bottom:65px}th[data-astro-cid-kai3ywri],td[data-astro-cid-kai3ywri]{padding:10px 8px}}@media print{.contents[data-astro-cid-kai3ywri],.back[data-astro-cid-kai3ywri],.back-to-top[data-astro-cid-kai3ywri]{display:none}.guide-layout[data-astro-cid-kai3ywri]{display:block}.masthead[data-astro-cid-kai3ywri]{break-after:page;padding-top:0}article[data-astro-cid-kai3ywri]{max-width:none;font-size:11pt}section[data-astro-cid-kai3ywri]{margin-bottom:30px}h2[data-astro-cid-kai3ywri],h3[data-astro-cid-kai3ywri]{break-after:avoid}figure[data-astro-cid-kai3ywri],.callout[data-astro-cid-kai3ywri]{break-inside:avoid}.diagram[data-astro-cid-kai3ywri] svg{min-width:0}article[data-astro-cid-kai3ywri] pre{white-space:pre-wrap;overflow-wrap:anywhere}}