:root{font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:#101b2d;background:#eef2f8;font-synthesis:none;--navy:#101b2d;--blue:#245bdb;--green:#b2f381;--muted:#576578;--line:#d7dfeb}*{box-sizing:border-box}body{margin:0}button,a,textarea{-webkit-tap-highlight-color:transparent}button{font:inherit}a{color:inherit}button,a{touch-action:manipulation}button{cursor:pointer}button:focus-visible,a:focus-visible,textarea:focus-visible,pre:focus-visible{outline:3px solid #245bdb;outline-offset:4px}.shell{max-width:1300px;padding:0 40px;margin:auto}.mast{display:flex;justify-content:space-between;align-items:center;padding:25px 0 21px;border-bottom:1px solid var(--line)}.brand{text-decoration:none;display:flex;gap:12px;align-items:center}.brand 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button{border:0;background:transparent;color:#bcc7d8;text-align:left;padding:16px 18px;font-size:16px;font-weight:650;border-radius:7px 7px 0 0;display:flex;gap:16px;align-items:center}.lenses button[aria-selected=true]{background:#fff;color:var(--navy)}.tab-number{font-family:ui-monospace,SFMono-Regular,Consolas,monospace;font-size:12px;opacity:.6}.lenses button:hover:not([aria-selected=true]){background:#20304a;color:#fff}.workbench{display:grid;grid-template-columns:1fr 1fr;background:#fff;border:1px solid var(--line);border-top:0;border-radius:0 0 11px 11px;overflow:hidden;box-shadow:0 8px 24px #12203a08}.editor-side,.result-side{min-width:0}.editor-side{padding:23px 24px 19px;border-right:1px solid var(--line)}.result-side{padding:23px 24px 19px;background:#f9fbff}.pane-header{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:18px}.pane-header h2{font-size:16px;margin:0;font-weight:700}.badge{font-size:12px;border:1px solid var(--line);padding:4px 7px;border-radius:5px;color:var(--muted);white-space:nowrap}textarea{border:0;border-radius:6px;background:#f1f4fa;color:var(--navy);width:100%;height:205px;resize:vertical;padding:17px;font:15px/1.7 ui-monospace,SFMono-Regular,Consolas,monospace;tab-size:2}.editor-actions{display:flex;gap:14px;align-items:center;margin-top:15px}.primary{border:0;background:var(--blue);color:white;border-radius:6px;font-size:14px;font-weight:650;padding:11px 16px;min-height:42px}.primary:hover{background:#1747b6}.shortcut{font-size:12px;color:var(--muted)}.examples{display:flex;gap:6px;align-items:center;flex-wrap:wrap;margin-top:18px}.examples>span{font-size:12px;color:var(--muted);margin-right:5px}.examples button{border:1px solid var(--line);background:white;padding:6px 8px;border-radius:5px;font-size:12px;color:#35455d;min-height:32px}.examples button:hover{border-color:var(--blue);color:var(--blue)}.result-status{font:12px ui-monospace,SFMono-Regular,Consolas,monospace;color:var(--muted)}.result-status.ok{color:#2b643a}.result-status.error{color:#ad2737}.output-tabs{display:flex;gap:18px;border-bottom:1px solid var(--line);margin-bottom:14px}.output-tabs button{padding:0 0 10px;border:0;background:transparent;color:var(--muted);font-size:13px}.output-tabs button[aria-selected=true]{color:var(--blue);font-weight:700;border-bottom:2px solid var(--blue)}pre{font:14px/1.6 ui-monospace,SFMono-Regular,Consolas,monospace;white-space:pre-wrap;overflow-wrap:anywhere;margin:0}#output{height:205px;overflow:auto}.model-note{font-size:12px;line-height:1.6;margin:14px 0 0;color:var(--muted);max-width:540px}.diagnostic{font:13px/1.5 ui-monospace,SFMono-Regular,Consolas,monospace;padding:12px;background:#fff0f1;color:#8b2130;border-left:3px solid #c3374a;margin:12px 0}.view-content{padding:48px 0 44px}.section-heading{display:flex;justify-content:space-between;gap:45px;align-items:start;margin-bottom:26px}.section-heading h2{font-size:30px;line-height:1.2;letter-spacing:-1px;margin:0}.section-heading>p{font-size:16px;line-height:1.6;color:var(--muted);max-width:430px;margin:0}h3{font-size:17px;line-height:1.4;margin:0 0 15px}.two-col{display:grid;grid-template-columns:1.2fr 1fr;gap:40px}.grammar{background:white;border:1px solid var(--line);border-radius:8px;overflow:hidden}.grammar>div{display:grid;grid-template-columns:110px 1fr;gap:14px;padding:13px 17px;border-bottom:1px solid var(--line);font-size:14px}.grammar>div:last-child{border:0}.grammar span{color:var(--muted)}code{font:14px/1.6 ui-monospace,SFMono-Regular,Consolas,monospace;overflow-wrap:anywhere}.constraint-box{background:var(--navy);color:#fff;padding:25px 27px;border-radius:8px}.constraint-box ul{padding-left:19px;line-height:1.8;font-size:15px;color:#d5dfed;margin:0 0 21px}.constraint-box p{font-size:14px;line-height:1.55;color:#d5dfed;margin:11px 0}.constraint-box .overlap-label{font-size:12px;text-transform:uppercase;letter-spacing:.09em;color:var(--green)}.pill{display:inline-block;white-space:nowrap;border:1px solid #45617a;color:inherit;padding:3px 7px;border-radius:4px;font-size:12px;margin-right:3px}.contrast-example{display:grid;grid-template-columns:1fr 1fr;gap:25px;border-top:1px solid var(--line);margin-top:25px;padding-top:22px}.label{font-size:12px;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);font-weight:650}.contrast-example p{font-size:17px;margin:10px 0 0}.contrast-example>div:last-child p{color:var(--blue);font-family:ui-monospace,SFMono-Regular,Consolas,monospace;font-size:15px}.pipeline{list-style:none;padding:0;display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin:0 0 24px}.pipeline li{border:1px solid var(--line);background:#fff;padding:22px;border-radius:8px}.pipeline b{font-size:12px;font-family:ui-monospace,monospace;color:var(--blue)}.pipeline h3{margin:24px 0 12px}.pipeline p{font-size:14px;line-height:1.6;color:var(--muted);margin:0}.callout{padding:24px;border:1px solid var(--line);border-left:4px solid var(--blue);background:white;border-radius:7px}.callout h3{margin-bottom:9px}.callout p{font-size:15px;line-height:1.65;color:var(--muted);margin:9px 0}.overlap-text{font-size:14px;line-height:1.8;color:var(--muted);margin-top:23px}.application-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-bottom:24px}.application-grid article{border:1px solid var(--line);padding:25px;background:white;border-radius:8px}.application-grid h3{font-size:21px;margin:15px 0 22px}.application-grid pre{border-left:3px solid #c6d7fc;padding-left:15px;font-size:14px}.application-grid p{font-size:15px;line-height:1.65;color:var(--muted);margin:20px 0 0}.primitive-list{background:white;border:1px solid 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var(--line);padding:25px 0 35px}footer p{font-size:14px;line-height:1.6;color:var(--muted);margin:0 0 8px}.source-links a{text-underline-offset:3px}.skip{position:fixed;top:-60px;left:20px;background:white;padding:12px;z-index:20}.skip:focus{top:12px}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}[hidden]{display:none!important}
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@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important}}
/* Readable primary controls, including the compact phone layout. */
.output-tabs button{font-size:14px}.examples button{font-size:14px}.mast-link{font-size:14px}
@media(max-width:600px){.lenses{grid-template-columns:1fr 1fr;gap:3px;padding:5px}.lenses button{font-size:14px;padding:12px;border-radius:5px}.examples button{font-size:14px}.mast-link{font-size:14px}.grammar code{font-size:14px}.pipeline p{font-size:14px}.map-grid p{font-size:14px}.model-note{font-size:13px}}
.bridge-example{margin-top:17px;padding:15px;background:#f1f4fa;border-radius:5px;font-size:14px}
