@font-face{font-family:Inter;font-style:normal;font-display:swap;font-weight:400;src:url(/assets/inter-latin-400-normal-C38fXH4l.woff2) format("woff2"),url(/assets/inter-latin-400-normal-CyCys3Eg.woff) format("woff")}@font-face{font-family:Inter;font-style:normal;font-display:swap;font-weight:500;src:url(/assets/inter-latin-500-normal-Cerq10X2.woff2) format("woff2"),url(/assets/inter-latin-500-normal-BL9OpVg8.woff) format("woff")}@font-face{font-family:IBM Plex Mono;font-style:normal;font-display:swap;font-weight:400;src:url(/assets/ibm-plex-mono-latin-400-normal-DMJ8VG8y.woff2) format("woff2"),url(/assets/ibm-plex-mono-latin-400-normal-CvHOgSBP.woff) format("woff")}:root{--bg: #0e0e0f;--panel: #161618;--line: #232326;--line-2: #323236;--text: #ececec;--muted: #a3a3a8;--dim: #707075;--accent: #e0a64e;--accent-ink: #17120a;--body: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;--mono: "IBM Plex Mono", ui-monospace, "SFMono-Regular", monospace;--radius: 6px;--page: 1120px;--pad: clamp(20px, 4vw, 48px);color-scheme:dark;font:400 16px/1.65 var(--body);color:var(--text);background:var(--bg);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}*{box-sizing:border-box}body{margin:0;min-height:100vh;background:var(--bg)}img{display:block;max-width:100%}a{color:var(--text);text-decoration:underline;text-decoration-color:var(--line-2);text-underline-offset:3px}a:hover{color:var(--accent);text-decoration-color:currentColor}code,kbd{font-family:var(--mono)}:focus-visible{outline:2px solid var(--accent);outline-offset:2px}::selection{background:#e0a64e44}h1,h2,h3{font-family:var(--body);letter-spacing:-.015em;text-wrap:balance}.shell{min-height:100vh;display:flex;flex-direction:column;overflow-x:clip}.main{flex:1;width:100%;max-width:var(--page);margin:0 auto;padding:0 var(--pad) 120px}.topbar{position:sticky;top:0;z-index:50;display:flex;align-items:center;gap:28px;padding:0 var(--pad);height:56px;background:var(--bg);border-bottom:1px solid var(--line)}.brand{display:flex;align-items:center;gap:9px;color:var(--text);font:500 16px/1 var(--body);text-decoration:none}.brand:hover{color:var(--text)}.brand-mark{display:inline-block;width:12px;height:12px;border-radius:2px;background:var(--accent)}.nav-desktop{display:flex;flex:1;align-items:center;justify-content:space-between;gap:24px;min-width:0}.nav-group{display:flex;align-items:center;gap:2px}.nav-desktop a,.nav-trigger{display:inline-flex;align-items:center;gap:5px;padding:6px 10px;border:0;border-radius:var(--radius);background:none;color:var(--muted);font:400 14.5px/1 var(--body);white-space:nowrap;text-decoration:none;cursor:pointer}.nav-desktop a:hover,.nav-trigger:hover,.nav-trigger[aria-expanded=true]{color:var(--text)}.nav-desktop .nav-group>a[aria-current=page],.nav-trigger.is-current{color:var(--text)}.nav-desktop .nav-group>a[aria-current=page]:before,.nav-trigger.is-current:before{content:"";width:5px;height:5px;border-radius:50%;background:var(--accent)}.nav-trigger svg{color:var(--dim);transition:rotate .15s}.nav-trigger[aria-expanded=true] svg{rotate:180deg}.blocks-menu{position:relative;display:flex}.blocks-list{position:absolute;top:calc(100% + 12px);left:0;z-index:60;display:grid;min-width:220px;margin:0;padding:6px;list-style:none;background:var(--panel);border:1px solid var(--line-2);border-radius:8px;box-shadow:0 16px 40px #0009}.blocks-list[hidden]{display:none}.nav-desktop .blocks-list a{position:relative;display:flex;padding:10px 12px 10px 24px;border-radius:4px;font-size:14.5px}.nav-desktop .blocks-list a:hover,.nav-desktop .blocks-list a:focus-visible{background:#ffffff0a;color:var(--text)}.nav-desktop .blocks-list a[aria-current=page]{color:var(--text)}.blocks-list a[aria-current=page]:before{content:"";position:absolute;left:11px;top:50%;width:5px;height:5px;margin-top:-2.5px;border-radius:50%;background:var(--accent)}.nav-external:after{content:" ↗";color:var(--dim)}.menu-button,.menu-panel{display:none}.hero{padding:clamp(72px,12vw,136px) 0 clamp(16px,3vw,32px)}.hero-copy{display:grid;justify-items:start;gap:24px;max-width:680px}.hero h1{margin:0;font-size:clamp(30px,3.6vw,40px);font-weight:500;line-height:1.15;letter-spacing:-.025em;color:var(--text)}.lede{margin:0;color:var(--muted);font-size:16px;line-height:1.6;max-width:62ch;text-wrap:pretty}.caption{margin:0;color:var(--muted);font-size:13.5px;line-height:1.5}.section-body{margin:0 0 20px;color:var(--muted);max-width:66ch}.hero-line{margin:0;max-width:58ch;color:var(--muted);font-size:16px;text-wrap:pretty}.hero-install{display:grid;gap:8px;width:min(640px,100%);margin-top:8px}.hero-alt{justify-self:start;font-size:14px;color:var(--muted)}.hero-links{display:flex;flex-wrap:wrap;align-items:center;gap:12px 24px;margin:4px 0 0}.hero-start{display:inline-flex;align-items:center;min-height:40px;padding:0 16px;border-radius:var(--radius);background:var(--accent);color:var(--accent-ink);font-weight:500;font-size:15px;text-decoration:none}.hero-start:hover{background:#ebb565;color:var(--accent-ink)}.hero-quiet{color:var(--text);font-size:15px}.button{display:inline-flex;align-items:center;gap:8px;min-height:40px;padding:0 16px;border:1px solid var(--line-2);border-radius:var(--radius);background:transparent;color:var(--text);font:500 15px/1 var(--body);text-decoration:none}.button:hover{color:var(--text);border-color:var(--dim)}.button--primary{background:var(--accent);border-color:var(--accent);color:var(--accent-ink)}.button--primary:hover{background:#ebb565;border-color:#ebb565;color:var(--accent-ink)}.copyline{display:grid;gap:6px;max-width:640px}.copyline-row{display:flex;align-items:stretch;border:1px solid var(--line-2);border-radius:var(--radius);background:var(--panel);overflow:hidden}.copyline code{flex:1;min-width:0;padding:11px 14px;overflow-x:auto;white-space:nowrap;font-size:13px;color:var(--text);scrollbar-width:none}.copyline code::-webkit-scrollbar{display:none}.copyline .prompt{color:var(--dim);margin-right:10px;user-select:none}.copyline button{flex:none;min-width:68px;border:0;border-left:1px solid var(--line-2);background:transparent;color:var(--muted);font:400 13px var(--body);cursor:pointer}.copyline button:hover{color:var(--text)}.section{margin-top:clamp(72px,9vw,112px)}.section-title{margin:0 0 16px;font-size:19px;font-weight:500;line-height:1.35;color:var(--text)}.section--first{margin-top:clamp(48px,6vw,72px)}.how .section:not(.section--first){margin-top:clamp(48px,5vw,64px)}.how .section--first{margin-top:clamp(40px,5vw,56px)}.how .section-note{margin-top:16px}.section-lede{margin:-8px 0 28px;color:var(--muted);max-width:66ch}.section-note{margin:24px 0 0;color:var(--muted);max-width:70ch}.demos{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:48px 32px}#games{margin-top:clamp(56px,7vw,88px);scroll-margin-top:80px}.demo-tile{display:grid;align-content:start;gap:4px;color:var(--text);text-decoration:none}.demo-tile img{width:100%;height:auto;aspect-ratio:16 / 9;object-fit:cover;margin-bottom:14px;border-radius:var(--radius);background:var(--panel)}.demo-tile h3{margin:0;font-size:17px;font-weight:500;line-height:1.4}.demo-tile p{margin:0;color:var(--muted);max-width:62ch}.demo-tile .caption{margin-bottom:4px}.demo-tile:hover{color:var(--text)}.demo-tile:hover h3{color:var(--accent)}.steps{display:grid;gap:32px;margin:clamp(32px,4vw,48px) 0 0;padding:0;list-style:none;counter-reset:step}.steps li{display:grid;gap:8px;counter-increment:step}.steps h2,.next h2{margin:0;font-size:18px;font-weight:500;line-height:1.4;color:var(--text)}.steps h2:before{content:counter(step) ". ";color:var(--dim)}.steps p{margin:0;color:var(--muted)}.next{display:grid;gap:14px;margin-top:clamp(48px,6vw,72px);padding-top:32px;border-top:1px solid var(--line)}.next p{margin:0;color:var(--muted)}.done{margin:32px 0 0;color:var(--text)}.steps code,.next code{font-size:.88em;color:var(--text)}.footer{padding:32px var(--pad) 40px;color:var(--dim);font-size:14px;text-align:center;border-top:1px solid var(--line)}.footer a{color:var(--muted);text-decoration:none}.footer a:hover{color:var(--text)}.page{padding-top:clamp(48px,7vw,80px)}.page.narrow{max-width:680px}.page-title{margin:0;font-size:clamp(28px,3.2vw,36px);font-weight:500;line-height:1.2;letter-spacing:-.025em;color:var(--text)}.tool-head{margin-bottom:clamp(24px,3vw,36px)}.tool-head .lede{margin:16px 0 0}.tool-page{padding-top:clamp(40px,5vw,64px)}.tool-line{display:grid;gap:6px;margin-bottom:clamp(24px,4vw,48px);max-width:680px}.tool-line h1{margin:0;font-size:clamp(28px,3.2vw,36px);font-weight:500;line-height:1.2;letter-spacing:-.025em;color:var(--text)}.tool-line p{margin:0;color:var(--muted);font-size:16px}.demo-name{margin:0;font-size:19px;font-weight:500;line-height:1.35;color:var(--text)}.showcase{padding-top:clamp(28px,4vw,40px);margin-bottom:clamp(48px,6vw,72px);border-top:1px solid var(--line);scroll-margin-top:72px}.tool-line+.showcase{padding-top:0;border-top:0}.showcase-head{display:grid;gap:4px;margin-bottom:16px;max-width:70ch}.showcase-head p{margin:0;color:var(--muted)}.showcase .demo-try{margin-top:10px}.tool-notes{display:grid;gap:16px;max-width:70ch;padding-top:32px;border-top:1px solid var(--line)}.tool-command{display:grid;gap:8px}.tool-notes .tool-command-label{color:var(--text);font-size:14px}.tool-packages code{font-size:13px;color:var(--text)}.tool-notes p{margin:0;color:var(--muted)}.tool-notes strong{color:var(--text);font-weight:500}.tool-links{display:flex;flex-wrap:wrap;gap:8px 28px}.tool-links a{color:var(--accent);text-decoration:none}.tool-links a:hover{text-decoration:underline}.stage{position:relative;width:100%;height:min(72vh,720px);min-height:400px;border-radius:var(--radius);background:#000;overflow:hidden}.stage iframe{display:block;width:100%;height:100%;border:0}.stage--loading{background:var(--panel)}.stage-poster{position:absolute;inset:0;display:grid;place-items:center;width:100%;border:0;background:#000 center / cover;cursor:pointer}.stage-poster:before{content:"";position:absolute;inset:0;background:#00000040;transition:background .2s ease}.stage-poster:hover:before{background:#00000020}.stage-play{position:relative;padding:10px 20px;border-radius:var(--radius);background:#f2f2f2;color:#111;font:500 15px/1 var(--body)}.stage-tools{position:absolute;z-index:13;top:calc(48px + env(safe-area-inset-top));right:calc(10px + env(safe-area-inset-right));display:flex;gap:6px}.stage-tools button{display:grid;place-items:center;width:32px;height:32px;padding:0;border:0;border-radius:4px;background:#000000a0;color:#eee;font:500 15px var(--body);cursor:pointer}.stage-tools button:hover{background:#000000e0}.stage-tools svg{width:14px;height:14px;fill:none;stroke:currentColor;stroke-width:1.6}.stage-help{position:absolute;z-index:13;top:calc(88px + env(safe-area-inset-top));right:calc(10px + env(safe-area-inset-right));display:grid;gap:6px;margin:0;padding:12px 14px;max-height:calc(100% - 100px);overflow:auto;background:#0e0e0fe8;border-radius:4px;cursor:pointer}.stage-help div{display:grid;grid-template-columns:minmax(96px,auto) 1fr;gap:12px;align-items:center}.stage-help dd{margin:0;color:var(--muted);font-size:14px}.stage.stage--fullscreen{position:fixed;inset:0 0 auto;z-index:1000;box-sizing:border-box;width:auto;height:100vh;height:100dvh;min-height:0;margin:0;padding:env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left);border-radius:0}html.stage-fullscreen-open,body.stage-fullscreen-open{overflow:hidden;overscroll-behavior:none}body.stage-fullscreen-open{position:fixed;top:var(--stage-scroll, 0);right:0;left:0}.blacksite-perf{position:absolute;z-index:12;background:#0e0e0fd9;border:1px solid #ffffff1a;border-radius:4px;color:var(--muted);font:11px/1.5 var(--mono);max-width:min(240px,60vw)}.blacksite-perf--top-right{top:calc(10px + env(safe-area-inset-top));right:calc(10px + env(safe-area-inset-right))}.blacksite-perf--top-left{top:10px;left:10px}.blacksite-perf--bottom-right{bottom:10px;right:10px}.blacksite-perf--bottom-left{bottom:10px;left:10px}.blacksite-perf>button{display:flex;justify-content:space-between;gap:10px;width:100%;padding:6px 9px;border:0;background:none;color:#e6e6e6;font:inherit;text-align:left;white-space:nowrap;cursor:pointer}.blacksite-perf-details{display:grid;gap:2px;padding:0 9px 8px}.blacksite-perf-details strong{color:var(--dim);font-weight:500;font-size:10px}.blacksite-perf-details span{display:flex;justify-content:space-between;gap:12px}.blacksite-perf-details b{color:#e6e6e6;font-weight:500}.keys{display:inline-flex;flex-wrap:wrap;gap:4px}kbd{display:inline-block;min-width:24px;padding:2px 6px;border:1px solid var(--line-2);border-radius:4px;background:var(--panel);color:var(--text);font-size:11.5px;line-height:1.5;text-align:center;white-space:nowrap}.block-row{display:grid;gap:24px;align-items:baseline;padding:14px 0;border-bottom:1px solid var(--line)}.block-row{grid-template-columns:minmax(150px,.6fr) 3fr}.block-row>span{color:var(--muted)}.block-row a{color:var(--text);text-decoration:none}.block-row a:hover{color:var(--accent)}.block-row--head>span{color:var(--dim)!important;font-size:13px}.block-row--head{padding-top:0}.ref-group{margin-top:40px}.ref-group h3{margin:0 0 4px;font-size:17px;font-weight:500;line-height:1.4;color:var(--text)}.skill-row{display:grid;grid-template-columns:minmax(170px,.8fr) 2.6fr minmax(130px,.6fr);gap:24px;align-items:baseline;padding:12px 0;border-bottom:1px solid var(--line)}.skill-row>span:first-child{color:var(--text)}.skill-row>span:nth-child(2){color:var(--muted)}.skill-row a{color:var(--muted);text-decoration:none}.skill-row a:hover{color:var(--accent)}.skill-row code{font-size:13px}.refs{max-width:100%;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.refs summary{padding:14px 0;color:var(--text);cursor:pointer}.refs summary:hover{color:var(--accent)}.refs[open]{padding-bottom:24px}.refs .ref-group:first-of-type{margin-top:16px}.limits{display:grid;gap:10px;margin:0;padding-left:20px;max-width:72ch;color:var(--muted)}.limits li::marker{color:var(--dim)}.how p code,.tool-notes p code{font-size:.88em;color:var(--text)}.instincts{margin-bottom:24px}.game-thumbs{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;max-width:720px}.game-thumbs a{display:grid;gap:8px;color:var(--text);text-decoration:none}.game-thumbs img{width:100%;height:auto;aspect-ratio:16 / 9;object-fit:cover;border-radius:4px;background:var(--panel)}.game-thumbs a:hover span{color:var(--accent)}.check-output{margin:0;padding:16px 18px;overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius);background:var(--panel)}.check-output code{font-size:12.5px;line-height:1.7;color:var(--text);white-space:pre}.check-output+.caption{margin:8px 0 0}.guide-page{max-width:760px}.guide-head{display:flex;flex-wrap:wrap;justify-content:space-between;gap:6px 20px;padding-bottom:14px;border-bottom:1px solid var(--line)}.guide-source{color:var(--dim);font-size:14px;text-decoration:none}.loading-line{color:var(--dim)}.markdown{color:#cfcfd2;font-size:16px;line-height:1.7;overflow-wrap:break-word}.markdown h1{margin:40px 0 20px;font-size:clamp(28px,3.2vw,36px);font-weight:500;line-height:1.2;letter-spacing:-.025em;color:var(--text)}.markdown h2{margin:2.2em 0 .7em;font-size:22px;font-weight:500;line-height:1.3;color:var(--text)}.markdown h3{margin:1.8em 0 .6em;font-size:17px;font-weight:500;line-height:1.4;color:var(--text)}.markdown p,.markdown ul,.markdown ol{margin:0 0 1em}.markdown li{margin:.25em 0}.markdown strong{color:var(--text);font-weight:500}.markdown a{color:var(--accent);text-decoration:none}.markdown a:hover{text-decoration:underline}.markdown pre{margin:0 0 1.2em;padding:16px 18px;overflow:auto;border:1px solid var(--line);border-radius:var(--radius);background:var(--panel)}.markdown code{font-size:.84em;color:var(--text)}.markdown :not(pre)>code{padding:1px 5px;border-radius:3px;background:var(--panel)}.markdown pre code{font-size:13px;line-height:1.6}.markdown table{display:block;width:max-content;max-width:100%;margin:0 0 1.4em;overflow-x:auto;border-collapse:collapse;font-size:14.5px}.markdown th,.markdown td{padding:8px 12px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}.markdown th{font-size:13px;font-weight:400;color:var(--dim);border-bottom-color:var(--line-2)}.markdown blockquote{margin:0 0 1em;padding-left:16px;border-left:2px solid var(--line-2);color:var(--muted)}.markdown img{max-width:100%}.markdown hr{border:0;border-top:1px solid var(--line);margin:2em 0}@media(max-width:1080px){.topbar{gap:16px}.nav-desktop a,.nav-trigger{padding:6px 7px;font-size:14px}}@media(max-width:860px){.topbar{height:52px}.nav-desktop{display:none}.menu-button{display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;margin:0 -10px 0 auto;padding:0;border:0;border-radius:var(--radius);background:none;color:var(--text);cursor:pointer}.menu-panel.open{display:block;position:fixed;inset:52px 0 0;overflow:auto;padding:16px var(--pad) 40px;background:var(--bg)}.menu-panel a{position:relative;display:flex;align-items:center;min-height:44px;color:var(--text);font-size:17px;line-height:1.2;text-decoration:none}.menu-panel a[aria-current=page]:before{content:"";position:absolute;left:-13px;top:50%;width:6px;height:6px;margin-top:-3px;border-radius:50%;background:var(--accent)}.menu-panel .menu-start{justify-content:center;margin-top:8px;border-radius:var(--radius);background:var(--accent);color:var(--accent-ink);font-weight:500}.menu-label{margin:28px 0 4px;color:var(--muted);font-size:13px}.menu-blocks{display:grid;grid-template-columns:1fr 1fr;column-gap:24px;margin:0;padding:0;list-style:none}.menu-foot{display:flex;gap:28px;margin-top:24px;padding-top:8px;border-top:1px solid var(--line)}.menu-panel .menu-foot a{color:var(--muted);font-size:15px}body.menu-open{overflow:hidden}}@media(max-width:640px){:root{font-size:15px}.hero{padding-top:56px}.page,.tool-page{padding-top:24px}.page-title,.tool-line h1{font-size:28px}.lede,.tool-line p,.hero-line{font-size:15px}.section-title,.demo-name{font-size:18px}.instincts{margin-bottom:24px}.game-thumbs{gap:10px}.demos{grid-template-columns:1fr;gap:40px}.block-row{grid-template-columns:1fr;gap:4px}.block-row--head{display:none}.stage{height:70svh;min-height:360px;margin-left:calc(var(--pad) * -1);width:calc(100% + var(--pad) * 2);border-radius:0}.skill-row{grid-template-columns:1fr;gap:4px}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{transition:none!important;animation:none!important}}