/* SLE: ALE's warm neutral palette, Geist typography and compact controls.
   Task content and generated illustrations are specific to SLE. */
:root{--paper:#f7f5f2;--surface:#fff;--ink:#0f172a;--text:#0f172a;--muted:#475569;--green:#111827;--green-dark:#0f172a;--accent:#334155;--line:#e2e8f0;--soft:#f1f5f9;--subtle:#f1f5f9;--display:var(--sans)}
body{background:var(--paper);color:var(--ink);font-size:15px}h1,h2,h3,h4{font-family:var(--sans);color:var(--ink)}p{line-height:1.625}::selection{background:#cbd5e1;color:#0f172a}:focus-visible{outline:2px solid #64748b;outline-offset:4px}a,button,input,select{touch-action:manipulation}code{background:#f1f5f9;color:#334155}.text-link{font-size:13px;font-weight:500;color:#334155}.text-link:hover{text-decoration:underline;text-underline-offset:4px}.button{min-height:36px;padding:7px 15px;border-radius:999px;background:#0f172a;border-color:#0f172a;font-size:13px;box-shadow:none;transition:background .15s,border-color .15s}.button:hover{background:#1e293b;transform:none}.button.secondary{background:#fff;border-color:#cbd5e1;color:#334155}.button.secondary:hover{background:#f8fafc;border-color:#94a3b8;color:#0f172a}.button small{font-size:10px;color:#94a3b8;font-weight:400}
/* 64px navigation, matching the reference's content width and spacing. */
#site-header{background:#ffffffcc;backdrop-filter:blur(10px);border-bottom:1px solid #e2e8f0}.header-inner{max-width:1280px;min-height:64px;padding:0 32px;gap:24px}.site-brand{font-size:18px;font-weight:600;letter-spacing:-.45px;gap:8px}.brand-lettermark{width:32px;height:32px;border:0;padding:0;border-radius:6px;background:#1e293b;color:#fff;font:650 11px/32px var(--sans);letter-spacing:-.4px;text-align:center;flex-shrink:0}.header-nav{gap:24px}.header-nav a{padding:0;color:#475569;font-size:14px;font-weight:500}.header-nav a[aria-current=page]{color:#0f172a}.header-nav a[aria-current=page]::after{display:none}.header-nav .nav-contact{border:0;border-radius:999px;background:#0f172a;color:#fff;padding:8px 16px}.header-nav .nav-contact:hover{background:#1e293b;color:#fff}.mobile-toggle{color:#475569}
/* Centered introduction. Keep scope and status outside the main heading. */
.research-home{overflow:clip}.sle-hero{max-width:896px;margin:0 auto;padding:76px 32px 12px;text-align:center}.sle-intro{max-width:800px;margin:0 auto}.sle-intro h1{font:600 clamp(32px,4.6vw,52px)/1.2 var(--sans);letter-spacing:-1.3px;margin:0 0 18px;text-wrap:balance}.hero-lead{font-size:18px;line-height:1.625;font-weight:500;color:#1e293b;margin:0 auto 12px}.hero-description{font-size:16px;line-height:1.625;color:#475569;margin:0 auto;max-width:745px}.hero-actions{display:flex;justify-content:center;align-items:center;flex-wrap:wrap;gap:10px;margin:30px 0 0}.hero-status{font-size:11px;color:#64748b;margin:15px 0 0}
/* An arc of task previews, with explicit navigation and hover/focus details. */
.task-showcase{width:100%;margin:5px auto 0}.task-arc{height:270px;position:relative;isolation:isolate;overflow:hidden;mask-image:linear-gradient(to right,transparent,black 8%,black 92%,transparent)}.arc-card{position:absolute;width:246px;left:calc(50% - 123px);top:24px;transform:translate(var(--arc-x),var(--arc-y)) rotate(var(--arc-r));transition:transform .55s cubic-bezier(.2,.7,.3,1),opacity .3s;perspective:1000px;color:#64748b;text-decoration:none}.arc-face{height:164px;width:100%;position:relative;display:block;transform-style:preserve-3d;transition:transform .55s;border-radius:12px;box-shadow:0 9px 18px -8px #0f172a30}.arc-front,.arc-back{position:absolute;inset:0;border-radius:12px;overflow:hidden;backface-visibility:hidden;-webkit-backface-visibility:hidden}.arc-front{background:#fff;border:1px solid #d2d6dd}.arc-front img{display:block;width:100%;height:100%;object-fit:cover}.arc-back{transform:rotateY(180deg);background:#171717;color:#fff;display:flex;flex-direction:column;justify-content:center;align-items:center;gap:9px;padding:20px;text-align:center}.arc-back strong{font-size:13px;font-weight:600;line-height:1.4}.arc-back>span{font-size:11px;color:#cbd5e1;line-height:1.5}.arc-back small{font-size:10px;color:#94a3b8}.arc-label{display:block;text-align:center;font:11px/1.5 var(--mono);margin:10px 0 0;white-space:nowrap}.arc-card:focus-visible{outline:0}.arc-card:focus-visible .arc-face{outline:2px solid #64748b;outline-offset:5px;transform:rotateY(180deg)}.task-showcase-footer{max-width:1100px;margin:-4px auto 0;padding:0 20px;display:flex;justify-content:center;align-items:center;gap:18px}.task-showcase-footer>p{font-size:10px;color:#64748b;margin:0}.task-arc-controls{display:flex;gap:6px}.task-arc-controls button{width:28px;height:28px;border:1px solid #cbd5e1;border-radius:50%;background:transparent;color:#475569;cursor:pointer;transition:background .15s}.task-arc-controls button:hover{background:#fff;color:#0f172a}
@media(hover:hover){.arc-card:hover .arc-face{transform:rotateY(180deg)}}
.research-container{max-width:1152px;padding:0 32px}.page-main{max-width:1280px;padding:0 32px 64px}.scope-strip{max-width:896px;margin:20px auto 0;padding:24px 0;display:grid;grid-template-columns:repeat(4,1fr);gap:24px;border:0;text-align:center}.scope-strip>div{display:flex;flex-direction:column;align-items:center;gap:6px;border:0;padding:0}.scope-strip strong{font:600 36px/1.2 var(--sans);letter-spacing:-.9px;color:#0f172a}.scope-strip span{font-size:13px;line-height:1.5;color:#64748b;margin:0;max-width:none}.scope-footnote{font-size:11px;text-align:center;line-height:1.65;color:#64748b;margin:0 0 10px}.research-section{padding:52px 0;border-color:#e2e8f0}.research-section-heading{align-items:center;margin-bottom:24px;gap:24px}.section-index{font-size:12px;color:#64748b;margin:0 0 10px}.research-section-heading h2,.protocol-overview h2,.release-overview h2{font:600 28px/1.3 var(--sans);letter-spacing:-.6px;margin:0}.bench-intro{max-width:800px;font-size:14px;color:#475569}.bench-tabs{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:16px;margin:28px 0 24px;border-bottom:1px solid #e2e8f0}.bench-tab{display:flex;align-items:center;gap:8px;border:0;border-bottom:2px solid transparent;border-radius:0;background:none;padding:12px 0 15px;color:#64748b;text-align:left;cursor:pointer}.bench-tab-index{font:10px var(--mono);color:#94a3b8}.bench-tab-label{font-size:12px;font-weight:500;line-height:1.5;color:inherit}.bench-tab[aria-selected=true]{color:#0f172a;border-color:#0f172a}.bench-tab:hover{color:#0f172a}.bench-panel{background:#fff;border:1px solid #e2e8f0;border-radius:14px;padding:30px;outline-offset:6px}.bench-panel:not([hidden]){animation:panel-arrive .2s ease-out}.bench-panel-heading{margin-bottom:24px;max-width:950px}.bench-number{font:11px var(--mono);color:#64748b;margin:0 0 10px}.bench-panel-heading h3{font:600 24px/1.35 var(--sans);letter-spacing:-.45px;margin:0 0 10px}.bench-scope{font-size:12px;color:#64748b}.bench-detail-grid{display:grid;grid-template-columns:1fr 1.1fr;gap:32px;align-items:start}.bench-copy{padding:0}.bench-copy>p{font-size:14px;line-height:1.75;color:#475569;margin:0 0 22px}.bench-example{padding-top:18px;border-top:1px solid #e2e8f0}.bench-example h4{font-size:15px;font-weight:600;margin:8px 0}.bench-example p{font-size:13px;color:#64748b;line-height:1.7}.bench-spec-label{font-size:11px;color:#64748b}.bench-links{display:flex;flex-wrap:wrap;gap:12px 20px;margin-top:22px}.bench-media{margin:0;min-width:0}.bench-media figcaption{font-size:10px;color:#64748b;line-height:1.65;margin-top:10px}.image-zoom{border:1px solid #e2e8f0;border-radius:10px;background:#f8fafc;box-shadow:none}.image-zoom img{width:100%;height:auto;aspect-ratio:3/2;object-fit:contain;transition:transform .3s}.image-zoom:hover img{transform:scale(1.015)}.bench-contract{margin:24px 0 0;padding-top:22px;border-top:1px solid #e2e8f0;gap:26px}.bench-contract dt{font-size:12px;font-weight:600}.bench-contract dt:before{display:none}.bench-contract dd{font-size:12px;color:#64748b;line-height:1.75}.bench-scope-note{font-size:11px;color:#64748b;line-height:1.7;margin:16px 0}.research-disciplines{font-size:11px;color:#64748b;gap:10px 20px;padding-top:10px}
/* Results use a compact, white, rounded surface and quiet neutral filters. */
.table-panel,.research-result-table,.hd-table-scroll{border:1px solid #e2e8f0;border-radius:12px;background:#fff;box-shadow:none}.table-panel th,.research-result-table th,.hd-results-table th{background:#f8fafc;font-size:12px;color:#64748b;border-color:#e2e8f0}.table-panel td,.research-result-table td,.hd-results-table td{font-size:14px;border-color:#edf0f3;padding-top:16px;padding-bottom:16px}.table-panel tbody tr:hover,.research-result-table tbody tr:hover{background:#f8fafc}.table-footnote{background:#f8fafc}.home-run-select{max-width:520px}.run-context{font-size:12px;color:#64748b}.run-status{border-radius:999px;background:#f1f5f9;color:#475569;border:1px solid #e2e8f0;font-size:11px}.coverage-track{background:#e2e8f0}.coverage-track>span{background:#64748b}.result-context p{font-size:14px;color:#475569}.result-footer p{font-size:11px;line-height:1.7;color:#64748b}.field,.filters label,.filters label>span{font-size:12px;color:#64748b}.field input,.field select,.filters input,.filters select,.hd-filters input,.hd-filters select{border:1px solid #cbd5e1;border-radius:8px;background:#fff;box-shadow:none;color:#334155}.chip,.chip.green,.chip.outline{border-radius:999px;background:#f1f5f9;color:#475569;border-color:#e2e8f0;font-size:11px}.notice{font-size:12px;line-height:1.75;color:#64748b;border-color:#cbd5e1}
.page-heading,body[data-page=leaderboard] .page-heading{padding:48px 0 24px;margin-bottom:24px;border-bottom:1px solid #e2e8f0}.page-eyebrow,.eyebrow,.hd-eyebrow{font:12px var(--sans);text-transform:none;letter-spacing:0;color:#64748b;margin-bottom:12px}.page-heading h1,body[data-page=leaderboard] .page-heading h1,.hd-visual-intro h1{font:600 36px/1.25 var(--sans);letter-spacing:-.8px;margin:0 0 16px}.page-heading .lead,.tasks-intro{font-size:16px;color:#475569;line-height:1.625;max-width:850px}.section-heading h2,.article-section h2,.hd-section h2,.section>h2{font:600 26px/1.3 var(--sans);letter-spacing:-.5px}.section{padding:42px 0}.article-section p{font-size:15px;color:#475569;line-height:1.75}.flow-step,.resource-card{border:1px solid #e2e8f0;border-radius:12px;background:#fff;padding:24px}.flow-steps,.resource-grid,.grid-three{gap:20px}.resource-card h3{font-size:18px;font-weight:600;margin:14px 0}.resource-card p{font-size:14px;color:#64748b}.formula{font-family:var(--mono);font-size:16px;background:#f8fafc;border-color:#e2e8f0;border-radius:8px;padding:20px}.run-record{border:1px solid #e2e8f0;border-radius:12px;background:#fff;padding:28px}.run-record h2{font:600 24px var(--sans)}.empty-state{background:#fff;border-color:#e2e8f0;border-radius:12px}.benchmark-tabs{gap:12px;background:none;border-bottom:1px solid #e2e8f0;border-radius:0}.benchmark-tabs .tab{border:0;border-bottom:2px solid transparent;border-radius:0;background:none;color:#64748b;font-size:13px;font-weight:500;padding:14px 2px}.benchmark-tabs .tab[aria-selected=true]{background:none;border-color:#0f172a;color:#0f172a;box-shadow:none}.benchmark-tabs .tab:hover{background:none;color:#0f172a}.subbench-heading h2{font:600 24px/1.3 var(--sans)}.overview-stat{border-radius:10px}.overview-stat strong{font-family:var(--sans);font-weight:600}
.tasks-main .task-card{border:1px solid #e2e8f0;border-radius:12px;background:#fff;box-shadow:0 1px 2px #0f172a04;transition:border-color .2s,box-shadow .2s}.tasks-main .task-card:hover{border-color:#b4becb;transform:none;box-shadow:0 6px 18px #0f172a08}.tasks-main .task-image-wrap{aspect-ratio:3/2;background:#f8fafc}.tasks-main .task-image{object-fit:contain}.tasks-main .task-title{font-size:18px;font-weight:600;line-height:1.4}.task-summary{font-size:14px;line-height:1.7;color:#64748b}.tasks-main .task-content{padding:22px}.tasks-main .task-text-preview{background:#f1f5f9;padding:24px}.task-text-preview p{font:13px/1.7 var(--mono);color:#475569}.task-text-preview code{font-size:10px}.task-discovery-note{border:1px solid #e2e8f0;border-radius:12px;background:#fff;padding:26px}.task-discovery-note h2{font:600 24px var(--sans)}.task-dialog{max-width:900px;border-radius:14px}.task-detail-media{border-radius:8px;background:#f8fafc}.task-media-source{font:11px/1.7 var(--sans);color:#64748b}
.hd-visual-intro{grid-template-columns:1.15fr 1fr;gap:44px;padding:48px 0 32px;align-items:start}.hd-visual-intro .hd-lead{font-size:17px;color:#475569}.discovery-main{--hd-accent:#334155;--hd-line:#e2e8f0;--hd-muted:#64748b}.research-note{padding:26px;background:#fff;border:1px solid #e2e8f0;border-radius:12px}.research-note h2{font:600 21px/1.4 var(--sans);margin:10px 0 18px}.research-note p{font-size:14px;line-height:1.75;color:#475569}.research-note dl{margin:0}.research-note dl>div{padding:12px 0;border-top:1px solid #e2e8f0}.research-note dt{font-size:11px;color:#64748b;margin-bottom:5px}.research-note dd{font-size:13px;line-height:1.7;margin:0}.research-note small{display:block;font-size:10px;color:#64748b;line-height:1.6;margin-top:18px}.hd-badge{background:#fff;border-color:#e2e8f0;color:#475569}.hd-formula{background:#f8fafc;border-radius:8px}.hd-description{font-size:14px;line-height:1.75}
.protocol-overview{gap:60px}.protocol-overview>div>p{font-size:14px;color:#475569}.protocol-steps h3{font-size:15px;font-weight:600}.protocol-steps p{font-size:13px;color:#64748b}.release-overview{gap:24px}.release-overview h2{font-size:25px;margin-bottom:14px}.subset-link{border:1px solid #e2e8f0;border-radius:12px;background:#fff;padding:24px}.subset-link:hover{background:#f8fafc;border-color:#b4becb}.subset-link strong{font:600 36px var(--sans)}
#site-footer{background:#ffffff99;border-color:#e2e8f0;color:#475569}.footer-inner{max-width:1280px;padding:40px 32px 24px}.footer-brand p{font:13px/1.75 var(--sans);color:#64748b;max-width:330px}.footer-links strong{font-size:12px;text-transform:none;letter-spacing:0;color:#475569}.footer-links a{font-size:12px;color:#475569}.footer-bottom{font-size:11px;color:#64748b;border-color:#e2e8f0}.footer-brand .brand-lettermark{background:#1e293b;color:#fff}.footer-brand .site-brand{color:#0f172a}
@keyframes panel-arrive{from{opacity:.5}to{opacity:1}}
@media(max-width:1050px){.header-nav{gap:16px}.header-nav a{font-size:12px}.site-brand{font-size:16px}.header-inner{gap:18px}.bench-tabs{gap:12px}.bench-tab-index{display:none}.bench-panel{padding:24px}.bench-detail-grid{gap:24px}}
@media(max-width:760px){.header-inner{padding:0 20px}.header-nav{top:63px;background:#fff;padding:16px 20px;gap:0;border-color:#e2e8f0}.header-nav a{font-size:14px;padding:12px 0}.header-nav a[aria-current=page]{background:none}.header-nav .nav-contact{display:inline-flex;justify-content:center;margin:8px 0;padding:9px 16px}.site-brand{font-size:16px}.sle-hero{padding:44px 22px 8px}.sle-intro h1{font-size:38px;letter-spacing:-.9px}.hero-lead{font-size:16px}.hero-description{font-size:14px}.hero-actions{gap:8px;margin-top:24px}.hero-actions .button{font-size:12px;padding:6px 12px;min-height:33px}.hero-status{font-size:10px}.task-arc{height:220px}.arc-card{width:210px;left:calc(50% - 105px);top:22px}.arc-face{height:140px}.arc-label{font-size:10px}.task-showcase-footer{justify-content:space-between;gap:10px;padding:0 22px}.task-showcase-footer>p{font-size:9px;max-width:250px}.research-container,.page-main{padding-left:22px;padding-right:22px}.scope-strip{grid-template-columns:repeat(2,1fr);padding:24px 0;gap:22px}.scope-strip strong{font-size:30px}.scope-strip span{font-size:11px}.scope-footnote{font-size:10px}.research-section{padding:36px 0}.research-section-heading{align-items:start;flex-direction:column;gap:12px}.research-section-heading h2,.protocol-overview h2{font-size:25px}.bench-tabs{grid-template-columns:repeat(6,minmax(0,1fr));gap:2px 12px;margin:22px 0}.bench-tab{grid-column:span 2;padding:10px 0;justify-content:center;text-align:center}.bench-tab:nth-child(4),.bench-tab:nth-child(5){grid-column:span 3}.bench-tab-label{font-size:11px}.bench-panel{padding:20px 18px}.bench-panel-heading h3{font-size:21px}.bench-detail-grid{grid-template-columns:1fr;gap:24px}.bench-contract{grid-template-columns:1fr;gap:18px}.bench-copy>p{font-size:13px}.bench-media figcaption{font-size:10px}.bench-intro{font-size:13px}.page-heading,body[data-page=leaderboard] .page-heading{padding:36px 0 22px}.page-heading h1,body[data-page=leaderboard] .page-heading h1,.hd-visual-intro h1{font-size:32px}.page-heading .lead,.tasks-intro{font-size:14px}.prose-grid{display:block}.toc{position:static;display:flex;flex-wrap:wrap;gap:12px 18px;margin-bottom:24px}.toc .eyebrow{width:100%;margin:0}.hd-visual-intro{grid-template-columns:1fr;gap:24px;padding:36px 0 24px}.protocol-overview{grid-template-columns:1fr;gap:26px}.release-overview{grid-template-columns:1fr 1fr;gap:16px}.release-overview>div{grid-column:1/-1}.subset-link{padding:18px}.result-context{grid-template-columns:1fr;gap:16px}.result-footer{display:block}.result-footer .text-link{display:inline-block;margin-top:10px}.footer-inner{padding:32px 22px 22px}.benchmark-tabs{gap:4px 12px}.benchmark-tabs .tab{font-size:12px;padding:12px 1px}}
@media(max-width:390px){.sle-intro h1{font-size:34px}.site-brand{font-size:15px}.brand-lettermark{width:29px;height:29px;line-height:29px}.hero-actions .button{padding:6px 10px}.task-showcase-footer>p{max-width:220px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.arc-card,.arc-face,.image-zoom img,.task-image{transition:none!important}.bench-panel:not([hidden]){animation:none}.image-zoom:hover img,.task-card:hover .task-image{transform:none}}