:root{color-scheme:light;--ml-white: #ffffff;--ml-canvas: #f4f6f8;--ml-paper: #f8fafc;--ml-paper-strong: #f1f4f7;--ml-ink: #17202b;--ml-ink-soft: #3e4a59;--ml-muted: #647181;--ml-muted-soft: #7e8997;--ml-line: #dce2e8;--ml-line-strong: #c5ced8;--ml-blue: #2357d6;--ml-blue-strong: #1746ba;--ml-blue-soft: #eaf0ff;--ml-blue-faint: #f5f7ff;--ml-green: #177558;--ml-green-soft: #eaf6f1;--ml-amber: #95630d;--ml-amber-soft: #fff6df;--ml-red: #a73a42;--ml-red-soft: #fff0f1;--ml-font-ui: "Segoe UI Variable Text", "Aptos", "Segoe UI", -apple-system, BlinkMacSystemFont, system-ui, sans-serif;--ml-font-display: "Segoe UI Variable Display", "Aptos Display", "Segoe UI", -apple-system, BlinkMacSystemFont, system-ui, sans-serif;--ml-font-math: "Cambria Math", "STIX Two Math", "Latin Modern Math", "DejaVu Math TeX Gyre", "Times New Roman", serif;--ml-font-mono: "Cascadia Mono", "Cascadia Code", "SFMono-Regular", Consolas, "Liberation Mono", monospace;--ml-text-xs: .82rem;--ml-text-sm: .93rem;--ml-text-md: 1rem;--ml-text-lg: 1.18rem;--ml-text-xl: 1.55rem;--ml-text-2xl: 2.05rem;--ml-text-3xl: 2.55rem;--ml-leading-tight: 1.2;--ml-leading-normal: 1.5;--ml-leading-relaxed: 1.65;--ml-space-1: 4px;--ml-space-2: 8px;--ml-space-3: 12px;--ml-space-4: 16px;--ml-space-5: 20px;--ml-space-6: 24px;--ml-space-7: 28px;--ml-space-8: 32px;--ml-space-10: 40px;--ml-space-12: 48px;--ml-radius-xs: 4px;--ml-radius-sm: 6px;--ml-radius-md: 9px;--ml-radius-lg: 12px;--ml-shadow-float: 0 16px 38px rgba(31, 45, 62, .12);--ml-shadow-card: 0 1px 2px rgba(31, 45, 62, .04), 0 8px 24px rgba(31, 45, 62, .045);--ml-shadow-input: 0 8px 24px rgba(35, 87, 214, .06);--ml-header-height: 68px;--ml-left-width: 268px;--ml-right-width: 316px;--ml-mobile-nav-height: 64px;--ml-content-max: 1160px}:root{--ml-plot-1: #2357d6;--ml-plot-2: #177558;--ml-plot-3: #a8680c;--ml-plot-4: #7650bd;--ml-plot-5: #b94a54;--ml-plot-6: #0a7d8c}*{box-sizing:border-box}html,body,#root{min-height:100%;margin:0}html{background:var(--ml-canvas);font-size:16px;scroll-behavior:smooth}body{min-width:320px;color:var(--ml-ink);background:var(--ml-canvas);font-family:var(--ml-font-ui);font-size:16px;line-height:var(--ml-leading-normal);letter-spacing:-.006em;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}button,input,textarea,select{font:inherit}button{color:inherit}h1,h2,h3,h4{font-family:var(--ml-font-display);text-wrap:balance}p{text-wrap:pretty}code,kbd,samp{font-family:var(--ml-font-mono)}math{font-family:var(--ml-font-math);font-variant-numeric:lining-nums tabular-nums}button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible,a:focus-visible,[tabindex]:focus-visible{outline:3px solid color-mix(in srgb,var(--ml-blue) 65%,white);outline-offset:2px}::selection{background:#cfdbff;color:var(--ml-ink)}@media(max-width:820px){html{font-size:16px}}.app-shell{min-height:100vh;background:var(--ml-white)}.topbar{position:sticky;top:0;z-index:40;height:var(--ml-header-height);display:grid;grid-template-columns:var(--ml-left-width) 1fr auto;align-items:stretch;background:#fffffff5;border-bottom:1px solid var(--ml-line);backdrop-filter:blur(12px)}.brand{display:flex;align-items:center;gap:11px;padding:0 22px;font-weight:720;letter-spacing:-.025em}.brand__mark{width:31px;height:31px;stroke:var(--ml-blue);fill:none;stroke-width:3}.brand__mark path+path{stroke-width:2}.brand__name{font-size:1.18rem}.topnav{display:flex;align-items:stretch;gap:32px}.topnav__item{position:relative;border:0;background:none;padding:0 3px;font-size:var(--ml-text-sm);font-weight:630;cursor:pointer}.topnav__item:after{content:"";position:absolute;left:0;right:0;bottom:-1px;height:2px;background:transparent}.topnav__item.is-active{color:var(--ml-blue)}.topnav__item.is-active:after{background:var(--ml-blue)}.topbar__actions{display:flex;align-items:center;gap:8px;padding:0 18px}.command-button{height:34px;display:flex;align-items:center;gap:16px;padding:0 10px;border:1px solid var(--ml-line);border-radius:var(--ml-radius-sm);background:var(--ml-white);color:var(--ml-muted);cursor:pointer}.command-button kbd{font-family:var(--ml-font-ui);font-size:11px;color:var(--ml-ink-soft)}.icon-button,.profile-button,.bare-button{border:0;background:transparent;cursor:pointer}.icon-button{width:34px;height:34px;font-size:19px}.profile-button{width:33px;height:33px;border:1px solid #bfd2f3;background:var(--ml-blue-soft);color:var(--ml-blue);border-radius:50%;font-size:11px;font-weight:700}.app-grid{display:grid;grid-template-columns:var(--ml-left-width) minmax(0,1fr) var(--ml-right-width);min-height:calc(100vh - var(--ml-header-height))}.object-sidebar,.context-panel{background:var(--ml-paper)}.object-sidebar{border-right:1px solid var(--ml-line);padding:20px 14px;display:flex;flex-direction:column}.context-panel{border-left:1px solid var(--ml-line);padding:20px 16px}.side-heading{display:flex;justify-content:space-between;align-items:center;padding:0 8px 10px;font-size:var(--ml-text-xs);text-transform:uppercase;letter-spacing:.11em;font-weight:760;color:var(--ml-ink-soft)}.object-list{display:grid;gap:3px}.object-row{position:relative;min-height:54px;display:grid;grid-template-columns:50px 1fr 10px;grid-template-rows:1fr 1fr;align-items:center;width:100%;padding:8px 9px;border:0;border-left:2px solid transparent;background:transparent;text-align:left;cursor:pointer}.object-row.is-active{background:var(--ml-blue-soft);border-left-color:var(--ml-blue)}.object-symbol{grid-row:1/3;font-family:var(--ml-font-math);font-size:1.08rem;color:var(--ml-ink)}.object-meta{grid-column:2;grid-row:2;color:var(--ml-muted);font-size:var(--ml-text-xs)}.object-dot{width:6px;height:6px;border-radius:50%;background:var(--ml-line-strong)}.object-row.is-active .object-dot{background:var(--ml-blue)}.side-rule{border-top:1px solid var(--ml-line);margin:18px 8px}.recent-list{display:grid}.recent-list button,.side-link{border:0;background:none;text-align:left;cursor:pointer}.recent-list button{display:grid;gap:2px;padding:8px;font-size:var(--ml-text-sm)}.recent-list small{color:var(--ml-muted);font-size:var(--ml-text-xs)}.side-spacer{flex:1}.side-link{padding:8px;color:var(--ml-ink-soft);font-size:var(--ml-text-sm)}.workspace-main{min-width:0;padding:30px clamp(24px,4vw,58px) 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var(--ml-blue);background:var(--ml-white)}.input-prefix{padding-left:18px;font-family:var(--ml-font-math);color:var(--ml-blue);font-size:1.4rem}.math-input-shell input{min-width:0;width:100%;padding:17px 15px;border:0;outline:0;background:transparent;font-family:var(--ml-font-mono);font-size:.95rem;color:var(--ml-ink)}.run-button{align-self:stretch;min-width:100px;border:0;border-left:1px solid var(--ml-line);background:var(--ml-blue);color:#fff;font-weight:700;cursor:pointer}.run-button:hover{background:var(--ml-blue-strong)}.run-button span{margin-left:7px}.input-status{margin-top:8px;color:var(--ml-muted);font-size:var(--ml-text-xs)}.status-dot{display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--ml-blue);margin-right:5px}.object-stage{border-top:1px solid var(--ml-line);border-bottom:1px solid var(--ml-line);padding:20px 0 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small{color:var(--ml-muted)}.live-preview-panel{display:grid;grid-template-columns:150px minmax(0,1fr);min-height:92px;margin-top:12px;border:1px solid var(--ml-line);background:var(--ml-white)}.preview-meta{padding:15px 14px;border-right:1px solid var(--ml-line);display:flex;flex-direction:column;gap:5px;color:var(--ml-muted);font-size:var(--ml-text-xs)}.preview-meta span:first-child{color:var(--ml-ink-soft);font-weight:730;text-transform:uppercase;letter-spacing:.09em}.math-preview{width:100%;min-width:0;overflow-x:auto;margin:0;padding:20px 22px;color:var(--ml-ink);font-family:var(--ml-font-math);font-size:1.42rem;text-align:left}.math-preview.is-compact{display:inline;padding:0;font-size:1rem}.math-preview mtable{column-gap:.8em;row-gap:.25em}.math-preview mtd{padding:0 .28em}.math-preview-empty{display:flex;align-items:center;min-height:86px;padding:18px 22px;color:var(--ml-muted);font-size:var(--ml-text-sm)}.math-preview-empty.is-compact{display:inline;min-height:0;padding:0}.input-diagnostic{display:grid;grid-template-columns:auto 1fr;gap:12px;margin-top:9px;padding:11px 13px;border-left:2px solid var(--ml-red);background:snow;color:var(--ml-ink-soft)}.diagnostic-badge{color:var(--ml-red);font-size:10px;font-weight:800;text-transform:uppercase;letter-spacing:.1em;padding-top:2px}.input-diagnostic strong{display:block;margin-bottom:6px;color:var(--ml-red);font-size:var(--ml-text-xs)}.input-diagnostic code{display:block;overflow:auto;white-space:pre;color:var(--ml-ink);font-family:var(--ml-font-mono);font-size:12px}.diagnostic-pointer{display:block;padding-left:var(--pointer-offset);color:var(--ml-red);font-family:var(--ml-font-mono);font-size:12px;line-height:1}.p1-stage{min-height:178px}.submitted-math-display{min-height:118px;display:flex;align-items:center;justify-content:center}.submitted-math-display .math-preview{text-align:center;font-size:1.65rem}.p1-result-section{padding-top:25px}.parse-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));border-top:1px solid var(--ml-line);border-left:1px solid var(--ml-line)}.parse-grid article{min-height:152px;padding:18px 17px;border-right:1px solid var(--ml-line);border-bottom:1px solid var(--ml-line)}.parse-grid strong{display:block;margin:16px 0 8px;font-size:var(--ml-text-sm)}.parse-grid p{margin:0;color:var(--ml-muted);font-size:var(--ml-text-xs);line-height:1.55;word-break:break-word}.parse-index{color:var(--ml-blue);font-family:var(--ml-font-mono);font-size:10px}.object-source{grid-column:2;grid-row:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--ml-ink);font-family:var(--ml-font-mono);font-size:10px}.example-list button{font-family:var(--ml-font-mono);font-size:10px}.example-list 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