:root{color-scheme:light dark;--paper: #f4efdf;--paper-raised: #fffdf5;--ink: #202a2e;--muted: #566065;--blue: #1f5964;--blue-strong: #174650;--blue-wash: #d9e7e5;--proof: #9e3f32;--proof-soft: #f2d8d2;--amber: #7a4e0b;--amber-soft: #f3e4bd;--leaf: #356346;--leaf-soft: #dce9dc;--line: rgba(31, 89, 100, .16);--shadow: rgba(32, 42, 46, .12);--display: "Segoe Print", "Bradley Hand", "Comic Sans MS", cursive;--body: ui-monospace, "SFMono-Regular", "Cascadia Code", "Roboto Mono", monospace;font-family:var(--body);color:var(--ink);background:var(--paper);font-synthesis:none}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;min-width:320px;min-height:100vh;font-size:16px;line-height:1.55;background-color:var(--paper);background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);background-size:32px 32px}button,input,textarea{font:inherit}button,a,label[for]{-webkit-tap-highlight-color:transparent}a{color:var(--blue-strong);text-underline-offset:3px;text-decoration-thickness:1px}a:hover{text-decoration-thickness:2px}button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible,summary:focus-visible,label[for]:focus-within,.file-picker:focus-within{outline:3px solid var(--proof);outline-offset:3px}button:disabled{cursor:not-allowed;opacity:.5}.skip-link{position:fixed;top:8px;left:8px;z-index:100;padding:12px 16px;background:var(--ink);color:var(--paper-raised);transform:translateY(-150%)}.skip-link:focus{transform:translateY(0)}.sr-only,.visually-hidden{position:absolute!important;width:1px!important;height:1px!important;padding:0!important;margin:-1px!important;overflow:hidden!important;clip:rect(0,0,0,0)!important;white-space:nowrap!important;border:0!important}.offline-strip{padding:7px 16px;text-align:center;color:#fff;background:var(--amber);font-weight:700}.demo-strip{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:8px max(16px,calc((100vw - 1440px)/2));border-bottom:2px solid var(--ink);background:var(--amber-soft);color:#352200}.demo-strip span{display:flex;gap:16px;align-items:center}.site-header{display:flex;justify-content:space-between;align-items:center;gap:24px;width:min(1440px,100%);min-height:72px;margin:0 auto;padding:12px clamp(16px,4vw,64px);border-bottom:2px solid var(--ink);background:color-mix(in srgb,var(--paper) 92%,transparent)}.wordmark{display:inline-flex;align-items:center;gap:10px;color:var(--ink);font-family:var(--display);font-size:1.05rem;font-weight:700;text-decoration:none}.wordmark span{display:grid;place-items:center;width:32px;height:32px;border:2px solid var(--proof);border-radius:50%;color:var(--proof);transform:rotate(-7deg)}.site-header nav,.site-footer nav{display:flex;align-items:center;gap:clamp(12px,2.5vw,32px)}.site-header nav a{min-height:44px;display:inline-flex;align-items:center;color:var(--ink);font-weight:700;text-decoration:underline;text-decoration-color:transparent}.site-header nav a:hover,.site-header nav a[aria-current=page]{text-decoration-color:var(--proof)}main{display:block}.hero{position:relative;display:grid;grid-template-columns:minmax(340px,.86fr) minmax(480px,1.14fr);align-items:center;gap:clamp(32px,6vw,96px);max-width:1440px;min-height:720px;margin:0 auto;padding:72px clamp(16px,5vw,80px) 88px clamp(64px,9vw,136px);overflow:hidden}.margin-note{position:absolute;top:96px;left:clamp(12px,3vw,44px);color:var(--proof);font-size:.72rem;font-weight:800;letter-spacing:.12em;line-height:1.35;writing-mode:vertical-rl;transform:rotate(180deg)}.hero-copy{position:relative;z-index:1}.eyebrow,.step-label{margin:0 0 8px;color:var(--proof);font-size:.78rem;font-weight:800;letter-spacing:.13em;text-transform:uppercase}h1,h2,h3,p{margin-top:0}h1,h2{font-family:var(--display);letter-spacing:-.035em;line-height:1.08}h1{max-width:720px;margin-bottom:24px;font-size:clamp(2.6rem,5.7vw,5.5rem)}h2{margin-bottom:16px;font-size:clamp(2rem,3.7vw,3.5rem)}h3{line-height:1.25}.lede{max-width:620px;margin-bottom:28px;font-size:clamp(1.08rem,1.8vw,1.28rem);line-height:1.55}.hero-actions{display:flex;flex-wrap:wrap;gap:12px}.button,.file-label{display:inline-flex;min-height:48px;align-items:center;justify-content:center;padding:11px 18px;border:2px solid var(--ink);border-radius:3px 3px 7px 2px;background:var(--paper-raised);color:var(--ink);box-shadow:3px 3px 0 var(--ink);font-weight:800;text-decoration:none;cursor:pointer;transition:transform .18s ease,box-shadow .18s ease,background .18s ease}.file-picker{position:relative;min-height:52px!important;overflow:hidden}.file-input{position:absolute;inset:0;width:100%;height:100%;margin:0;cursor:pointer;opacity:0}.button:hover:not(:disabled),.file-label:hover{transform:translate(-1px,-1px);box-shadow:5px 5px 0 var(--ink)}.button:active:not(:disabled),.file-label:active{transform:translate(2px,2px);box-shadow:1px 1px 0 var(--ink)}.button.primary{background:var(--blue);color:#fff}.button.secondary{background:var(--paper-raised)}.action-note{margin:14px 0 0;color:var(--muted);font-size:.9rem}.facts{display:grid;gap:7px;margin:28px 0 0;padding:0;list-style:none}.facts li{display:flex;gap:10px;align-items:center;font-size:.92rem;font-weight:700}.facts li span{display:inline-grid;width:28px;height:28px;place-items:center;border:1px solid var(--ink);border-radius:50%;color:var(--blue);font-size:.72rem}.hero-art{position:relative;margin:0;transform:rotate(1.2deg)}.hero-art:before{position:absolute;z-index:2;top:-13px;left:42%;width:116px;height:30px;content:"";background:#dac28eb8;transform:rotate(-3deg)}.hero-art img{display:block;width:100%;height:auto;border:2px solid var(--ink);box-shadow:12px 14px #1f596438}.hero-art figcaption{position:absolute;right:20px;bottom:-32px;padding:7px 12px;background:var(--paper-raised);color:var(--muted);font-family:var(--display);font-size:.85rem;transform:rotate(-1.5deg)}.preview-section,.method,.boundaries{max-width:1440px;margin:0 auto;padding:88px clamp(16px,5vw,80px)}.preview-section{border-top:2px solid var(--ink);background:color-mix(in srgb,var(--paper-raised) 68%,transparent)}.section-intro{max-width:760px;margin-bottom:40px}.section-intro>p:last-child{max-width:66ch;font-size:1.05rem}.workbench{overflow:hidden;border:2px solid var(--ink);border-radius:3px 4px 8px 2px;background:var(--paper-raised);box-shadow:8px 8px #202a2e1f}.workbench.expanded{margin-bottom:64px}.bench-toolbar{display:flex;min-height:48px;align-items:center;justify-content:space-between;gap:16px;padding:8px 16px;border-bottom:2px solid var(--ink);background:var(--blue-wash)}.format-badge{font-size:.8rem;font-weight:800;letter-spacing:.06em;text-transform:uppercase}.toolbar-actions{display:flex;gap:14px}.text-button{min-height:44px;padding:6px 4px;border:0;background:transparent;color:var(--blue-strong);font-weight:800;text-decoration:underline;text-underline-offset:3px;cursor:pointer}.bench-grid{display:grid;grid-template-columns:minmax(300px,.76fr) minmax(480px,1.24fr)}.source-panel,.result-panel{min-width:0;padding:clamp(18px,3vw,32px)}.source-panel{border-right:2px solid var(--ink);background:color-mix(in srgb,var(--paper) 68%,var(--paper-raised))}.panel-heading{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;margin-bottom:16px}.panel-heading h2,.panel-heading h3{margin:0;font-family:var(--display);font-size:1.5rem;letter-spacing:normal}.file-label{min-height:44px;padding:7px 12px;box-shadow:2px 2px 0 var(--ink);font-size:.86rem}.source-label{display:block;margin-bottom:8px;font-size:.85rem;font-weight:800}.source-text,.field input,.field textarea,.line-field input,.line-field textarea{width:100%;border:2px solid #5e686b;border-radius:2px;background:#fffdf5;color:#202a2e}.source-text{min-height:236px;padding:14px;resize:vertical;line-height:1.48;tab-size:2}.input-help{margin:8px 0 16px;color:var(--muted);font-size:.8rem}.full-button{width:100%}.parse-error{margin-top:18px;padding:14px;border-left:5px solid var(--proof);background:var(--proof-soft);color:#3b1510}.parse-error p{margin:4px 0 0}.raw-source{max-height:360px;overflow:auto;margin:20px 0 0;padding:14px;border:1px solid var(--ink);background:#202a2e;color:#fffdf5;font-size:.78rem;white-space:pre-wrap}.result-heading{align-items:center}.status-summary{display:grid;min-width:175px;padding:7px 10px;border:2px solid var(--proof);color:var(--proof);font-size:.77rem;line-height:1.35;transform:rotate(-1deg)}.status-summary.valid{border-color:var(--leaf);color:var(--leaf)}.issue-actions{display:flex;flex-wrap:wrap;gap:12px;padding:0 0 20px;border-bottom:1px dashed var(--muted)}.proof-button{background:var(--proof);color:#fff}.issue-list{display:grid;gap:12px;margin:20px 0 28px;padding:0;list-style:none}.issue{display:grid;grid-template-columns:34px 1fr;gap:12px;padding:14px;border-left:4px solid var(--amber);background:var(--amber-soft)}.issue.error{border-color:var(--proof);background:var(--proof-soft)}.issue-mark{display:grid;width:30px;height:30px;place-items:center;border:2px solid currentColor;border-radius:50%;color:var(--amber);font-weight:900}.issue.error .issue-mark{color:var(--proof)}.issue p{margin:0 0 4px}.issue-copy>p:nth-child(2){font-size:.88rem}.issue details{margin:10px 0}summary{display:inline-flex;min-height:44px;align-items:center;color:var(--blue-strong);font-weight:800;cursor:pointer}.change{display:grid;gap:5px;margin:10px 0;font-size:.8rem}.change div{display:grid;grid-template-columns:64px 1fr;gap:8px}.change dt{font-weight:800}.change dd{margin:0;overflow-wrap:anywhere}.small-button{min-height:44px;padding:7px 12px;border:2px solid var(--ink);background:var(--paper-raised);color:var(--ink);font-weight:800;cursor:pointer}.clean-sheet,.empty-sheet{display:grid;place-items:center;min-height:230px;padding:36px;text-align:center}.clean-sheet{grid-template-columns:auto 1fr;justify-items:start;min-height:110px;background:var(--leaf-soft);text-align:left}.clean-sheet>span{margin-right:16px;color:var(--leaf);font-size:2rem}.clean-sheet h3,.clean-sheet p,.empty-sheet h3,.empty-sheet p{margin-bottom:5px}.empty-sheet>span{color:var(--proof);font-family:var(--display);font-size:4rem;transform:rotate(15deg)}.recipe-editor{border-top:2px solid var(--ink);padding-top:24px}.field-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.field{display:grid;gap:6px;min-width:0;font-weight:800}.field.full{grid-column:1 / -1}.field>span{display:flex;justify-content:space-between;gap:8px;align-items:center}.field input,.field textarea,.line-field input,.line-field textarea{min-height:46px;padding:9px 10px;resize:vertical}.field-state{display:inline-flex;flex:none;color:var(--leaf);font-size:.68rem;font-weight:900;letter-spacing:.04em;text-transform:uppercase}.field-state.bad{color:var(--proof)}.field-state.review{color:var(--amber)}.line-group{display:grid;gap:10px;margin:28px 0 0;padding:18px 0 0;border:0;border-top:1px dashed var(--muted)}.line-group legend{padding:0 8px 0 0;font-family:var(--display);font-size:1.3rem;font-weight:800}.line-group legend span{color:var(--muted);font-family:var(--body);font-size:.74rem}.line-field{display:grid;grid-template-columns:26px 1fr 76px;gap:8px;align-items:start}.line-field>span:first-child{display:grid;height:44px;place-items:center;color:var(--muted);font-weight:800}.line-field>span:last-child{padding-top:10px}.add-line{justify-self:start}.export-strip{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-top:30px;padding:18px;border:2px solid var(--ink);background:var(--blue-wash)}.export-strip div{display:grid}.export-strip span{color:#33464a;font-size:.82rem}.export-button{background:var(--leaf);color:#fff}.repair-log{margin-top:18px}.repair-log ol{margin-bottom:0}.method{border-top:2px solid var(--ink)}.method-list{display:grid;grid-template-columns:repeat(3,1fr);gap:0;padding:0;border-top:2px solid var(--ink);list-style:none}.method-list li{display:grid;grid-template-columns:54px 1fr;gap:12px;padding:28px 24px 20px 0}.method-list li+li{padding-left:24px;border-left:2px solid var(--ink)}.method-list li>span{color:var(--proof);font-family:var(--display);font-size:1.5rem;font-weight:800}.method-list h3{margin-bottom:8px;font-size:1.1rem}.method-list p{margin-bottom:0;color:var(--muted)}.boundaries{display:grid;grid-template-columns:.8fr 1.2fr;gap:clamp(32px,7vw,112px);border-top:2px solid var(--ink);background:var(--blue);color:#fff}.boundaries .eyebrow{color:#f0b7ab}.boundaries p{max-width:62ch}.demo-main{max-width:1440px;margin:0 auto;padding:64px clamp(16px,5vw,80px)}.demo-heading{margin-bottom:36px}.demo-heading h1{margin-bottom:16px;font-size:clamp(2.4rem,5vw,4.8rem)}.prose-page{width:min(850px,calc(100% - 32px));min-height:65vh;margin:0 auto;padding:72px 0 96px}.prose-page h1{font-size:clamp(2.5rem,6vw,4.8rem)}.prose-page section{max-width:68ch;margin-top:48px;padding-left:24px;border-left:3px solid var(--proof)}.prose-page h2{margin-top:36px;font-size:1.5rem}.prose-page code{padding:2px 5px;background:var(--blue-wash);color:var(--ink)}.not-found{display:grid;min-height:68vh;place-content:center;justify-items:start;padding:64px 24px}.not-found h1{max-width:720px;font-size:clamp(2.6rem,7vw,5.5rem)}.red-mark{margin-bottom:-20px;color:var(--proof);font-family:var(--display);font-size:7rem;font-weight:900;line-height:1;opacity:.18;transform:rotate(-8deg)}.site-footer{display:grid;grid-template-columns:1fr auto;gap:20px 48px;align-items:center;padding:36px clamp(16px,5vw,80px);border-top:2px solid var(--ink);background:var(--paper-raised)}.wordmark,.site-footer nav a{min-height:44px}.site-footer nav a{display:inline-flex;align-items:center}.site-footer p{margin:4px 0 0;color:var(--muted);font-size:.82rem}.site-footer .build-note{grid-column:1 / -1;margin-top:10px;padding-top:12px;border-top:1px dashed var(--muted)}@media(max-width:1000px){.hero{grid-template-columns:1fr;padding-top:56px}.hero-copy{max-width:760px}.hero-art{max-width:780px}.bench-grid{grid-template-columns:1fr}.source-panel{border-right:0;border-bottom:2px solid var(--ink)}.method-list{grid-template-columns:1fr}.method-list li+li{padding-left:0;border-top:1px dashed var(--muted);border-left:0}}@media(max-width:680px){.demo-strip{align-items:flex-start;flex-direction:column;gap:2px}.demo-strip span{gap:12px}.demo-strip a,.demo-strip .text-button{display:inline-flex;min-height:44px;align-items:center}.site-header{align-items:flex-start;flex-direction:column;gap:2px;padding-top:14px;padding-bottom:8px}.site-header nav{width:100%;justify-content:space-between}.hero{min-height:0;padding:52px 16px 72px 48px}.margin-note{top:55px;left:12px}h1{font-size:clamp(2.45rem,13vw,4rem)}.hero-actions{flex-direction:column;align-items:stretch}.hero-actions .button{width:100%}.hero-art figcaption{position:static;margin-top:16px;transform:none}.preview-section,.method,.boundaries,.demo-main{padding:56px 16px}.bench-toolbar,.panel-heading,.result-heading,.export-strip{align-items:stretch;flex-direction:column}.toolbar-actions{justify-content:space-between}.source-panel,.result-panel{padding:18px 14px}.field-grid{grid-template-columns:1fr}.field.full{grid-column:auto}.line-field{grid-template-columns:26px 1fr}.line-field>span:last-child{grid-column:2;padding-top:0}.issue-actions .button,.export-button{width:100%}.boundaries,.site-footer{grid-template-columns:1fr}.site-footer nav{align-items:flex-start;flex-direction:column;gap:8px}.site-footer .build-note{grid-column:auto}}@media(prefers-color-scheme:dark){:root{--paper: #182124;--paper-raised: #222e31;--ink: #f2eddf;--muted: #bec8c7;--blue: #5f9fac;--blue-strong: #a8dce4;--blue-wash: #2d474c;--proof: #ef8f7c;--proof-soft: #4a2b29;--amber: #dfb560;--amber-soft: #423821;--leaf: #88c79c;--leaf-soft: #294435;--line: rgba(164, 199, 204, .09);--shadow: rgba(0, 0, 0, .3)}.button.primary,.proof-button,.export-button{color:#102023}.demo-strip{background:#4a3c1e;color:#fff6dd}.parse-error{color:#ffe8e2}.source-text,.field input,.field textarea,.line-field input,.line-field textarea{border-color:#9ba8aa;background:#182124;color:#f2eddf}.export-strip span{color:#d4e8e8}.facts li span{color:var(--blue-strong)}.hero-art img{filter:brightness(.82) saturate(.88)}.boundaries{background:#24545d}.boundaries .eyebrow{color:#ffd1c7}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}.button:hover:not(:disabled),.file-label:hover,.button:active:not(:disabled),.file-label:active{transform:none}}