:root{font-family:Helvetica,"Helvetica Neue",Arial,sans-serif;color:#080808;background:#fff;--lite:#ff6e1e;--mid:#956d7b;--flagship:#3158db;--cutting:#6e1bd8;--rule:2px solid #080808}
*{box-sizing:border-box}body{margin:0}button,input,select{font:inherit}button,a,input{touch-action:manipulation}button{cursor:pointer;border-radius:0}a{color:inherit}button:disabled{cursor:default;opacity:.38}button:focus-visible,a:focus-visible,input:focus-visible,summary:focus-visible,select:focus-visible{outline:3px solid var(--flagship);outline-offset:4px}.skip{position:absolute;top:-60px;left:16px;z-index:10;background:#fff;padding:12px;border:var(--rule)}.skip:focus{top:12px}.masthead{background:#000;color:#fff;border-bottom:var(--rule)}.masthead-inner{max-width:1180px;margin:auto;padding:22px 40px 30px}.edition{display:flex;justify-content:space-between;gap:20px;align-items:center;font-size:11px;font-weight:700;letter-spacing:.045em;margin-bottom:29px}.edition span:first-child{border:1px solid #fff;padding:6px 9px}.project-title{display:block;font-size:clamp(30px,4.8vw,58px);line-height:1.04;letter-spacing:-1.8px;font-weight:700;text-decoration:none}.masthead p{font-size:17px;margin:12px 0 0;line-height:1.4}.layout{max-width:1180px;margin:0 auto;padding:34px 40px 64px;min-height:60vh}.layout:focus{outline:none}.section-label{display:inline-block;background:#000;color:#fff;font-size:14px;font-weight:700;line-height:1.2;padding:8px 10px;margin:0;text-transform:uppercase}.intro{display:flex;justify-content:space-between;align-items:baseline;gap:24px;border-bottom:var(--rule);padding-bottom:17px;margin-bottom:24px}.intro h1{font-size:30px;line-height:1.05;margin:0;letter-spacing:-.7px}.intro p{font-size:12px;margin:0;font-weight:700;white-space:nowrap}.home-list{display:grid;gap:14px}.home-link{display:grid;grid-template-columns:86px 1fr 44px;align-items:center;gap:24px;border:var(--rule);padding:24px;color:#000;text-decoration:none;text-align:left;min-height:115px;background:#fff;transition:background .12s}.home-link:hover{background:#f3f3f3}.home-link .number{font-size:29px;font-weight:700;background:var(--accent);color:#fff;display:grid;place-items:center;align-self:stretch;min-height:62px}.home-link h2{font-size:24px;line-height:1.15;margin:0 0 8px;letter-spacing:-.4px}.home-link p{font-size:14px;line-height:1.4;margin:0;color:#444}.home-link .arrow{font-size:34px;font-weight:400;text-align:right}.home-link.pending{cursor:default}.home-link.pending:hover{background:#fff}.status{display:block;font-size:10px;font-weight:700;letter-spacing:.03em;border:1px solid #000;padding:5px 6px;margin-top:8px;white-space:nowrap;width:max-content}.legend{display:flex;gap:8px;flex-wrap:wrap;margin-top:27px}.tier{display:inline-flex;align-items:center;background:var(--accent);color:#fff;font-size:11px;line-height:1.2;font-weight:700;padding:6px 9px;text-transform:uppercase}.lite{--accent:var(--lite)}.mid{--accent:var(--mid)}.flagship{--accent:var(--flagship)}.cutting{--accent:var(--cutting)}.footer{display:flex;justify-content:space-between;gap:18px;max-width:1100px;margin:0 auto;padding:20px 0 26px;border-top:var(--rule);font-size:10px;font-weight:700}.back{display:inline-flex;align-items:center;gap:9px;font-size:12px;font-weight:700;text-decoration:none;border:var(--rule);padding:10px 13px;margin-bottom:24px;min-height:42px}.back:hover{background:#000;color:#fff}.page-heading{display:flex;justify-content:space-between;align-items:center;gap:20px;margin-bottom:24px}.page-heading h1{font-size:30px;margin:0;line-height:1.1;letter-spacing:-.6px}.page-heading p{font-size:13px;line-height:1.5;margin:8px 0 0;color:#444}.count{font-size:12px;font-weight:700;white-space:nowrap}.task-nav{display:grid;grid-template-columns:repeat(4,1fr);border:var(--rule);margin-bottom:24px}.task-nav button{border:0;border-right:var(--rule);padding:15px 13px;background:#fff;font-size:12px;font-weight:700;line-height:1.45;text-align:left;min-height:71px}.task-nav button:last-child{border-right:0}.task-nav button span{display:block;font-size:10px;margin-bottom:5px}.task-nav button[aria-current="page"]{background:#000;color:#fff}.task-nav button:hover:not([aria-current]){background:#eee}.task-bar{display:grid;grid-template-columns:46px 1fr 46px;align-items:stretch;border:var(--rule);margin-bottom:26px}.nav-arrow{font-size:25px;border:0;background:#fff;color:#000;min-height:46px;line-height:1}.nav-arrow:hover:not(:disabled){background:#000;color:#fff}.task-bar .nav-arrow:first-child{border-right:var(--rule)}.task-bar .nav-arrow:last-child{border-left:var(--rule)}.task-bar h2{font-size:19px;line-height:1.25;margin:0;padding:14px 16px}.box{border:var(--rule);padding:20px 24px}.box-label{margin:0 0 14px;font-size:12px;text-transform:uppercase;font-weight:700}.prompt{background:#ededed;margin-bottom:28px}.prose{font-size:15px;line-height:1.65;overflow-wrap:anywhere}.prose>:first-child{margin-top:0}.prose>:last-child{margin-bottom:0}.prose h1{font-size:25px;line-height:1.15;letter-spacing:-.4px}.prose h2{font-size:21px;line-height:1.25;margin:28px 0 14px}.prose h3{font-size:17px;line-height:1.3;margin:24px 0 12px}.prose h4{font-size:15px}.prose p{margin:0 0 16px}.prose a{text-decoration-thickness:1px;text-underline-offset:3px}.prose li{margin:6px 0}.prose blockquote{border-left:3px solid var(--accent,#888);margin:18px 0;padding:8px 0 8px 18px;background:#f7f7f7}.prose blockquote p:last-child{margin-bottom:0}.prose pre{background:#f2f2f2;padding:16px;overflow:auto;max-width:100%;font-size:12px;line-height:1.6}.prose code{font-size:.88em}.prose table{border-collapse:collapse;display:block;overflow-x:auto;font-size:13px;margin:22px 0;max-width:100%}.prose th,.prose td{padding:10px 12px;border:1px solid #aaa;vertical-align:top;text-align:left;min-width:110px}.prose th{background:#eee}.prose img{max-width:100%}.prose hr{border:0;border-top:1px solid #aaa;margin:24px 0}.response-heading{display:flex;justify-content:space-between;align-items:center;gap:20px;margin-bottom:18px}.response-heading p{font-size:12px;color:#444;margin:0}.jump-links{display:flex;flex-wrap:wrap;gap:7px;margin:0 0 22px}.jump-links a{border:1px solid #000;border-left:5px solid var(--accent);padding:7px 9px;font-size:11px;font-weight:700;text-decoration:none;background:#fff}.jump-links a:hover{background:#eee}.response-card{border:var(--rule);margin-bottom:22px;scroll-margin-top:18px}.response-card header{background:var(--accent);color:#fff;padding:14px 20px;display:flex;align-items:center;justify-content:space-between;gap:16px;border-bottom:var(--rule)}.response-card header h3{font-size:16px;line-height:1.3;margin:0}.response-card header span{font-size:11px;font-weight:700;white-space:nowrap}.response-card .response-body{padding:24px}.response-card .meta{font-size:10px;font-weight:700;margin-bottom:18px;color:#555;text-transform:uppercase}.response-foot{border-top:1px solid #aaa;margin-top:24px;padding-top:13px;display:flex;gap:20px;justify-content:space-between;font-size:11px}.plain-link{font-weight:700;text-underline-offset:3px}.task-bottom{display:flex;justify-content:space-between;border-top:var(--rule);padding-top:18px;margin-top:30px;gap:20px}.task-bottom button{background:#fff;border:var(--rule);padding:12px 14px;font-weight:700;font-size:12px}.task-bottom button:hover:not(:disabled){background:#000;color:#fff}.sample-note{font-size:13px;line-height:1.6;border:var(--rule);padding:15px 18px;margin-bottom:16px;background:#ededed}.sample-note p{margin:0}.sample-note p+p{margin-top:6px}.file-button{display:inline-block;position:relative;background:#000;color:#fff;font-weight:700;padding:11px 13px;font-size:12px;cursor:pointer;margin-top:10px}.file-button input{position:absolute;width:1px;height:1px;opacity:0}.file-button:focus-within{outline:3px solid var(--flagship);outline-offset:3px}.viewer-toolbar{border:var(--rule);display:grid;grid-template-columns:50px 1fr 50px;align-items:stretch;background:var(--accent);color:#fff}.viewer-toolbar>.nav-arrow:first-child{border-right:var(--rule)}.viewer-toolbar>.nav-arrow:last-child{border-left:var(--rule)}.model-info{padding:15px 20px;min-width:0}.model-info .model-name{display:block;font-size:20px;line-height:1.2;font-weight:700}.model-info .model-tier{display:block;font-size:10px;font-weight:700;margin-top:6px;text-transform:uppercase}.viewer-body{border:var(--rule);border-top:0;background:#f0f0f0;min-height:540px;padding:24px;display:flex;justify-content:center;align-items:flex-start}.sample-frame{width:100%;height:720px;border:1px solid #aaa;background:#fff}.viewer-body.phone .sample-frame{max-width:390px}.viewer-empty{width:100%;min-height:480px;background:#fff;border:1px solid #aaa;display:flex;align-items:center;justify-content:center;text-align:center;padding:35px}.viewer-empty h2{font-size:23px;margin:12px 0}.viewer-empty p{max-width:420px;margin:0 auto;font-size:14px;line-height:1.6;color:#444}.viewer-empty .large-number{font-size:58px;font-weight:700;color:var(--accent)}.viewer-tools{display:flex;justify-content:space-between;gap:12px;align-items:center;border:var(--rule);border-top:0;padding:12px 15px;background:#fff}.segmented{display:inline-flex;gap:0}.segmented button{border:1px solid #000;padding:8px 11px;background:#fff;font-size:11px;font-weight:700;min-height:35px}.segmented button+button{border-left:0}.segmented button[aria-pressed="true"]{background:#000;color:#fff}.viewer-tools .count{font-size:11px}.select-label{font-size:11px;font-weight:700;display:flex;align-items:center;gap:10px;margin-bottom:15px}select{border:1px solid #000;border-radius:0;background:white;padding:9px;max-width:100%;font-size:12px}.file-state{font-size:12px;font-weight:700;margin:10px 0 0}.notice{border:1px solid #999;padding:14px;font-size:13px;background:#f4f4f4;line-height:1.5}.error{border:var(--rule);padding:24px;line-height:1.6}.loading{font-size:14px;padding:24px}.footnote{font-size:11px;line-height:1.6;color:#555;margin-top:22px}
@media(min-width:900px){.home-link{padding:24px 28px;grid-template-columns:72px 1fr 44px}.home-list{max-width:900px}.home-link h2{font-size:25px}.home-link .number{min-height:70px}}
@media(max-width:680px){.masthead-inner{padding:18px 20px 24px}.edition{font-size:9px;margin-bottom:24px;gap:12px}.edition span:last-child{max-width:190px;text-align:right;line-height:1.5}.project-title{font-size:33px;letter-spacing:-1px;max-width:410px}.masthead p{font-size:14px;max-width:310px}.layout{padding:26px 20px 40px}.intro{align-items:flex-start;gap:15px}.intro h1{font-size:25px}.intro p{font-size:10px;padding-top:4px}.home-link{padding:16px;grid-template-columns:46px 1fr 22px;gap:15px;min-height:120px}.home-link h2{font-size:19px}.home-link p{font-size:12px}.home-link .number{font-size:23px;min-height:65px}.home-link .arrow{font-size:27px}.footer{margin:0 20px;padding:18px 0;font-size:8px}.page-heading{align-items:flex-start}.page-heading h1{font-size:25px}.page-heading p{font-size:12px}.page-heading .count{font-size:10px}.task-nav{grid-template-columns:1fr 1fr}.task-nav button{font-size:11px;padding:11px;min-height:68px}.task-nav button:nth-child(2){border-right:0}.task-nav button:nth-child(-n+2){border-bottom:var(--rule)}.task-bar h2{font-size:16px;padding:14px 10px}.box{padding:17px}.prose{font-size:14px}.response-card header{padding:12px 15px;align-items:flex-start}.response-card header h3{font-size:14px}.response-card header span{font-size:10px;padding-top:3px}.response-card .response-body{padding:18px 16px}.response-heading{align-items:flex-start;gap:10px}.response-heading p{font-size:11px;line-height:1.5;text-align:right}.section-label{font-size:12px}.response-foot{flex-wrap:wrap;gap:12px}.viewer-body{padding:10px;min-height:500px}.viewer-body .sample-frame{height:650px}.model-info{padding:14px 12px}.model-info .model-name{font-size:16px}.viewer-empty{padding:24px 15px;min-height:460px}.viewer-empty h2{font-size:21px}.viewer-empty p{font-size:13px}.viewer-tools{padding:10px;gap:8px}.viewer-tools .count{font-size:10px}.segmented button{font-size:10px;padding:8px}.select-label{display:block}.select-label select{display:block;margin-top:7px;width:100%}.task-bottom button{font-size:11px;padding:11px}.legend{gap:6px}.tier{font-size:10px;padding:6px 8px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}
.plain-action{border:0;background:#fff;text-decoration:underline;text-underline-offset:3px;font-size:11px;font-weight:700;padding:8px;min-height:35px}

/* Research responses stay compact until the reader opens a response. */
.response-preview{display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;max-height:5.2em}
.response-preview h1,.response-preview h2,.response-preview h3{font-size:inherit;line-height:inherit;letter-spacing:0;margin:0 0 .4em}
.response-preview p{margin:0}
.response-expand{margin-top:16px}
.response-expand summary{display:list-item;margin:0;padding:10px 0;font-size:13px;text-decoration:underline;text-underline-offset:3px}
.response-expand[open] summary{margin-bottom:16px;border-bottom:1px solid #bbb}
.samples-cta{display:flex;justify-content:space-between;align-items:center;gap:24px;border:var(--rule);padding:20px 24px;font-size:20px;font-weight:700;text-decoration:none;background:#000;color:#fff;max-width:520px}
.samples-cta:hover{background:var(--mid)}
.samples-cta span{font-size:28px}
.sr-only{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}

/* Keep leaving the viewer distinct from moving between model samples. */
.back{background:#000;color:#fff}
.back:hover{background:#333;color:#fff}
body.code-view{height:100dvh;overflow:hidden}
.code-view>.masthead,.code-view>.footer{display:none}
.code-view>.layout{width:100%;max-width:none;height:100dvh;min-height:0;margin:0;padding:0}
.code-view #app{display:flex;flex-direction:column;width:100%;height:100%;min-height:0}
.code-topbar{display:flex;align-items:stretch;gap:0;flex:0 0 56px;min-height:56px;border-bottom:2px solid #000;background:#fff;color:#000;padding:0 8px}
.back.code-back{display:flex;align-items:center;justify-content:center;gap:7px;flex:none;margin:7px 14px 7px 0;padding:0 10px;min-height:36px;white-space:nowrap;font-size:11px}
.code-back>span:first-child{font-size:19px;line-height:1}
.code-model-controls{display:flex;align-items:stretch;min-width:0;max-width:620px;flex:1}
.code-topbar .nav-arrow{display:flex;align-items:center;justify-content:center;gap:7px;width:auto;min-width:106px;padding:0 10px;min-height:0;flex:none;font-size:10px;font-weight:700;border:1px solid #000;border-top:0;border-bottom:0;white-space:nowrap}
.code-topbar .nav-arrow>span[aria-hidden]{font-size:24px;font-weight:400;line-height:1}
.code-model-label{display:flex;flex-direction:column;justify-content:center;flex:1;min-width:0;background:var(--accent);color:#fff}
.model-caption{display:block;font-size:8px;font-weight:700;letter-spacing:.05em;padding:4px 12px 0;line-height:1}
.code-model-label select{width:100%;min-width:0;max-width:none;border:0;margin:0;padding:5px 12px 7px;background:var(--accent);color:#fff;font-size:13px;font-weight:700;cursor:pointer}
.code-model-label option{background:#fff;color:#000}
.code-count{display:flex;align-items:center;flex:none;padding:0 12px;font-size:11px;font-weight:700;white-space:nowrap}
.code-topbar-actions{display:flex;align-items:center;justify-content:flex-end;gap:10px;flex:1;min-width:0}
.code-restart{border:0;background:#fff;font-size:24px;min-width:32px;min-height:38px;padding:0 4px}
.code-view .viewer-body{display:flex;align-items:stretch;justify-content:center;flex:1;min-width:0;min-height:0;width:100%;height:auto;border:0;margin:0;padding:0;background:#ededed}
.code-view .sample-frame{display:block;flex:1;width:100%;height:100%;min-height:0;max-width:none;border:0;margin:0;background:#fff}
.code-view .viewer-body.phone .sample-frame{max-width:390px}
.code-view .viewer-empty{border:0;min-height:0;flex:1;max-width:none;padding:24px}
@media(max-width:850px){.code-count{display:none}.code-topbar-actions{flex:none;margin-left:auto;padding-left:8px}.code-topbar .segmented{display:none}}
@media(max-width:600px){
  .code-topbar{display:grid;grid-template-columns:1fr auto;grid-template-rows:34px 44px;gap:4px 0;padding:4px;flex:0 0 88px;min-height:88px}
  .back.code-back{grid-column:1;grid-row:1;justify-self:start;min-height:32px;margin:0;padding:0 10px;font-size:11px}
  .code-model-controls{grid-column:1 / -1;grid-row:2;max-width:none;width:100%;min-width:0}
  .code-topbar .nav-arrow{min-width:84px;font-size:9px;padding:0 6px;gap:4px;border-top:1px solid #000;border-bottom:1px solid #000}
  .code-topbar .nav-arrow>span[aria-hidden]{font-size:22px}
  .model-caption{padding:4px 7px 0;font-size:7px}
  .code-model-label select{font-size:11px;padding:4px 6px 5px}
  .code-topbar-actions{grid-column:2;grid-row:1;padding:0;margin:0}
  .code-restart{font-size:22px;min-width:32px;min-height:32px;padding:0 4px}
  .code-view .sample-frame{height:100%}
}

/* Poster Example B: grammar in pink, logic in blue, vagueness in green. */
.error-grammar{--error-color:#f7b1b6}
.error-logic{--error-color:#b5d5f5}
.error-vagueness{--error-color:#b8e4be}
.error-highlight{background:var(--error-color);color:inherit;box-decoration-break:clone;-webkit-box-decoration-break:clone}
.error-underline{text-decoration-line:underline;text-decoration-color:var(--error-color);text-decoration-thickness:3px;text-underline-offset:3px;text-decoration-skip-ink:none}
.error-key{display:flex;flex-wrap:wrap;gap:8px 18px;margin:-4px 0 20px;font-size:11px;line-height:1.4}
.error-key>span{display:inline-flex;align-items:center;gap:6px}
.error-key i{display:inline-block;width:10px;height:10px;background:var(--error-color)}