:root{--page:#faf9f6;--paper:#fffefa;--ink:#282722;--muted:#706d64;--line:#e6e2d9;--accent:#b85323;--green:#347451;--soft:#f1eee6;--sans:Inter,"Helvetica Neue",Arial,sans-serif;--serif:Georgia,"Times New Roman",serif}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:24px}
body{margin:0;background:var(--page);color:var(--ink);font:16px/1.65 var(--sans);-webkit-font-smoothing:antialiased}
button,a{-webkit-tap-highlight-color:transparent}
button{font:inherit;cursor:pointer}
a{color:inherit;text-underline-offset:4px}
button:focus-visible,a:focus-visible,summary:focus-visible{outline:3px solid var(--accent);outline-offset:5px}
button:disabled{cursor:default;opacity:.45}
main{max-width:1240px;margin:auto;padding:0 36px}
.hero{text-align:center;padding:72px 0 58px}
h1{font:700 clamp(48px,7vw,76px)/1.08 var(--serif);letter-spacing:-3px;margin:0 0 18px}
h1 em{color:var(--accent);font-weight:400}
.paper-title{font-size:clamp(18px,2.3vw,25px);letter-spacing:-.5px;margin:0 0 24px;line-height:1.4}
.authors{font-size:15px;line-height:1.9;margin:0 auto 8px;max-width:850px}
sup{font-size:10px;margin-left:2px}
.affiliations{font-size:13px;color:var(--muted);margin:0 auto;max-width:800px}
.affiliations summary{cursor:pointer;list-style:none;display:inline-flex;gap:10px;align-items:center}
.affiliations summary::-webkit-details-marker{display:none}
.affiliations[open] summary span{transform:rotate(45deg)}
.affiliations p{line-height:1.8;margin:12px 0}.correspondence{display:inline-block;margin-top:8px}
.paper-links{display:flex;justify-content:center;gap:10px;flex-wrap:wrap;margin:25px 0 0}
.paper-links .button{gap:9px}
.button-icon{width:17px;height:17px;flex:none;display:block}
.button{border:1px solid var(--line);border-radius:8px;padding:10px 17px;display:inline-flex;gap:14px;justify-content:center;align-items:center;min-height:44px;background:var(--paper);color:var(--ink);font-size:14px;font-weight:500;text-decoration:none;line-height:1.3;transition:background .15s,border-color .15s}
.button:hover:not(:disabled):not(.unavailable){background:var(--soft);border-color:#c9c2b5}
.button.dark{background:var(--ink);border-color:var(--ink);color:white}.button.dark:hover{background:#454239}
.button.accent{background:var(--accent);border-color:var(--accent);color:white}.button.accent:hover:not(:disabled){background:#97411a;border-color:#97411a}
.unavailable{color:var(--muted)}.soon{font-size:12px;color:var(--muted);padding-left:10px;border-left:1px solid var(--line)}
.intro{font:22px/1.5 var(--serif);color:var(--muted);margin:30px 0 0}
.section-heading{display:flex;justify-content:space-between;align-items:baseline;gap:16px;margin-bottom:18px}
h2{font:400 29px/1.3 var(--serif);letter-spacing:-.6px;margin:0}
.eyebrow{font-size:11px;letter-spacing:1.8px;text-transform:uppercase;color:var(--muted);font-weight:600}
.demo-shell{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,1fr);border:1px solid #ded8cc;border-radius:14px;overflow:hidden;background:var(--paper);box-shadow:0 12px 40px -28px #4b382e55}
.task-panel{grid-column:1/-1;background:#f0ede5;padding:23px 27px;display:grid;grid-template-columns:minmax(0,1fr) 260px;column-gap:42px;border-bottom:1px solid #ded8cc}
.task-panel>.eyebrow{grid-column:1}.task-panel h3{font:400 24px/1.3 var(--serif);letter-spacing:-.4px;margin:6px 0 8px;grid-column:1}
.task-question{font-size:14px;line-height:1.75;margin:0;color:#555249;grid-column:1}
.task-bottom{grid-column:2;grid-row:1/4;align-self:center}.progress-label{display:flex;justify-content:space-between;gap:10px;font-size:12px;align-items:center}.progress-label strong{font-variant-numeric:tabular-nums;white-space:nowrap}
progress{appearance:none;width:100%;height:4px;display:block;margin:12px 0 14px;border:0;border-radius:4px;background:#ded8ca;color:var(--green)}
progress::-webkit-progress-bar{background:#ded8ca;border-radius:4px}progress::-webkit-progress-value{background:var(--green);border-radius:4px;transition:width .3s}progress::-moz-progress-bar{background:var(--green);border-radius:4px}
#task-status{font-size:13px;color:var(--muted);margin:0;min-height:43px}
.execution-panel{min-width:0;display:flex;flex-direction:column}
.execution-header{height:59px;padding:0 26px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:12px}
#step-count{font-size:12px;color:var(--muted);font-variant-numeric:tabular-nums}
.execution-scroll{height:650px;overflow-y:auto;padding:24px 22px;scrollbar-width:thin;scrollbar-color:#d8d2c6 transparent;overscroll-behavior-y:contain}
.empty-state{padding:28px 12px;text-align:center}
.empty-mark{font:italic 54px/1 var(--serif);color:#d0c4b1}
.empty-state h3{font:400 29px/1.35 var(--serif);margin:19px 0 10px;letter-spacing:-.4px}
.empty-state p{font-size:14px;color:var(--muted);margin:0 0 25px}
.steps{list-style:none;padding:0;margin:0}.steps:empty{display:none}
.step{position:relative;padding:0 0 14px 32px;--role:#927543;animation:arrive .3s ease-out}
.step::before{content:"";position:absolute;left:8px;top:24px;bottom:-2px;width:1px;background:var(--line)}.step:last-child::before{display:none}
.step-number{position:absolute;top:15px;left:0;font-size:11px;font-variant-numeric:tabular-nums;color:var(--muted)}
.step details{border:1px solid var(--line);border-radius:9px;background:white;overflow:hidden}.step details[open]{border-color:#d0c7b6}
.step summary{list-style:none;cursor:pointer;padding:14px 15px;display:flex;align-items:center;gap:10px;font-size:14px;line-height:1.4}.step summary::-webkit-details-marker{display:none}
.role-dot{width:7px;height:7px;border-radius:50%;background:var(--role);flex:none}.step-title{font-weight:500}.step-chevron{margin-left:auto;color:var(--muted)}.step details[open] .step-chevron{transform:rotate(90deg)}
.step-body{padding:0 16px 17px}.step-role{font-size:10px;letter-spacing:1.4px;text-transform:uppercase;color:var(--role);font-weight:700;margin:0 0 8px}
.step-body p{font-size:14px;margin:0 0 12px;line-height:1.7;color:#5e5a51}
.observation{background:#f7f5ef;border-radius:5px;padding:12px 14px;margin-bottom:12px;font-size:14px;line-height:1.65}
.observation .source{display:block;font-size:11px;color:var(--muted);margin-top:4px}
.ledger-update{display:flex;align-items:baseline;gap:8px;color:var(--green);font-size:12px;line-height:1.6}.ledger-update::before{content:"✓";font-weight:700}
.raw-observation{background:#f4f1ea;border-left:3px solid #ac9270;padding:13px 14px;margin:14px 0 16px;border-radius:0 6px 6px 0}
.raw-label{font-size:11px;font-weight:700;letter-spacing:1px;text-transform:uppercase;color:#766041}
.raw-text{font:14px/1.8 ui-monospace,"DejaVu Sans Mono",monospace;white-space:pre-wrap;overflow-wrap:anywhere;margin:9px 0;color:#373329}
.raw-observation .source{font-size:11px;color:var(--muted);display:block}
.critic-review{border-bottom:1px solid var(--line);padding-bottom:11px;margin-bottom:12px}.critic-heading{font-size:12px;font-weight:600;color:#786292;margin-bottom:7px}.critic-review p{margin:0;font-size:13px}
.step.selected details{border-color:#bda17b}.step.final.selected details{border-color:#7aab88}
.ledger-panel{min-width:0;border-left:1px solid var(--line);background:#fcfbf7}
.ledger-header{height:59px;display:flex;align-items:center;justify-content:space-between;gap:12px;padding:0 23px;border-bottom:1px solid var(--line)}
.ledger-header h3{font:400 23px/1.2 var(--serif);margin:0}.ledger-header>span{font-size:12px;color:var(--muted);white-space:nowrap}
.ledger-content{padding:18px 23px 24px}.ledger-note{font-size:12px;color:var(--muted);margin:0 0 17px}
.ledger-section{margin-bottom:18px}.ledger-section h4{display:flex;align-items:center;gap:8px;font-size:13px;font-weight:600;margin:0 0 9px}.field-symbol{font:italic 16px var(--serif);color:var(--accent);width:16px;flex:none}.section-count{margin-left:auto;color:var(--muted);font-size:11px;font-weight:400}
.ledger-list{list-style:none;padding:0;margin:0}.need-row,.fact-row,.evidence-entry{display:grid;grid-template-columns:22px minmax(0,1fr) auto;column-gap:7px;padding:7px 8px;border-bottom:1px solid #eae6de;font-size:12px;align-items:baseline;line-height:1.6;overflow-wrap:anywhere}
.entry-id{font:11px/1.8 ui-monospace,monospace;color:#918575}.entry-text{min-width:0}.entry-status{color:var(--accent);font-size:11px}.filled .entry-status,.verified{color:var(--green)}.entry-support{grid-column:2/-1;font-size:11px;color:var(--muted);margin-top:2px}
.changed{background:#eaf2e7;box-shadow:inset 2px 0 #70a06f}.evidence-entry{grid-template-columns:22px minmax(0,1fr);margin-bottom:5px}.evidence-source{grid-column:2;background:none;border:0;padding:3px 0 0;justify-self:start;text-align:left;font-size:11px;color:#467058;text-decoration:underline;text-underline-offset:3px;line-height:1.65}
.fact-row{grid-template-columns:22px minmax(0,1fr)}.fact-value{grid-column:2;font-size:12px;color:var(--muted)}.fact-value.verified{color:var(--green)}
.ledger-empty{font-size:12px;line-height:1.7;color:var(--muted);margin:0;padding-left:24px}
.readiness{border-top:1px solid var(--line);padding-top:14px}.readiness-title{display:flex;justify-content:space-between;font-size:13px}.readiness-title strong{color:var(--accent)}.readiness.ready .readiness-title strong{color:var(--green)}.readiness p{font-size:11px;color:var(--muted);margin:5px 0 0;line-height:1.7}
.step.final{--role:#347451}.step.final details{border-color:#a7c0ac;background:#f6faf5}.step.final .observation{background:transparent;padding:0;font:400 30px/1.35 var(--serif);color:#2c6545}.step.final .step-body p{color:#46644a}
.demo-controls{margin-top:auto;border-top:1px solid var(--line);padding:15px 23px;display:flex;align-items:center;justify-content:space-between;gap:12px}.playback{display:flex;gap:8px}.text-button{border:0;background:transparent;color:var(--muted);font-size:13px;padding:10px 3px;min-height:44px}
.demo-caption{font-size:12px;color:var(--muted);text-align:center;margin:14px 0 0}
.about{max-width:800px;margin:70px auto 65px}.about>p{color:#5e5a51;margin:20px 0 0;line-height:1.85}
.paper-results{margin:0 0 65px}
.table-note{font-size:13px;line-height:1.75;color:var(--muted);margin:0 0 18px}.source-note{margin:12px 0 28px;font-size:12px}
.table-scroll{max-width:100%;overflow-x:auto;scrollbar-width:thin;scrollbar-color:#c9c2b5 transparent;border-top:1px solid #cfc7b7;border-bottom:1px solid #cfc7b7}
.table-scroll:focus-visible{outline:2px solid var(--accent);outline-offset:4px}
.score-table{width:100%;border-collapse:collapse;font-size:13px;line-height:1.5;font-variant-numeric:tabular-nums;white-space:nowrap}
.score-table th,.score-table td{padding:11px 15px;text-align:right;border-bottom:1px solid var(--line)}
.score-table thead th{font-size:12px;color:#5e5a51;font-weight:600;background:#f6f3ed}
.score-table tr>:first-child{text-align:left;white-space:normal;min-width:215px}
.score-table tbody th[scope="row"]{font-weight:400}
.score-table tbody tr:last-child>*{border-bottom:0}
.score-table .table-group th{padding:8px 15px;background:#f0ede5;font-size:11px;letter-spacing:.7px;text-transform:uppercase;font-weight:500;color:#766c5b}
.score-table .ours-row>*{background:#f4eade;color:#713d21;border-top:1px solid #dbc3a4;border-bottom:1px solid #dbc3a4;font-weight:600}
.score-table .ours-row>:first-child{box-shadow:inset 3px 0 var(--accent)}
.score-table .ours-row td{font-weight:400}
.score-table .best-score{font-weight:700}
.second-score{text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px}
.score-table sup{font-size:10px;color:var(--muted);margin-left:3px}
.omnigaia-table{font-size:12px;min-width:1120px}
.omnigaia-table th,.omnigaia-table td{padding:10px 8px}
.omnigaia-table tr>:first-child{min-width:190px}
.omnigaia-table thead tr:nth-child(2)>th:first-child{min-width:0;text-align:right;white-space:nowrap}
.omnigaia-table th[scope="colgroup"]{text-align:center;border-left:1px solid var(--line)}
.omnigaia-table tbody tr:not(.table-group)>:nth-child(3),.omnigaia-table tbody tr:not(.table-group)>:nth-child(6){border-left:1px solid var(--line)}
.results-fold{border-top:1px solid var(--line)}.results-fold:last-child{border-bottom:1px solid var(--line)}
.results-fold>summary{list-style:none;display:flex;justify-content:space-between;align-items:center;gap:16px;padding:18px 2px;cursor:pointer;font-size:15px;font-weight:500}
.results-fold>summary::-webkit-details-marker{display:none}.results-fold>summary>span{color:var(--muted);font-size:22px;line-height:1;font-weight:400}.results-fold[open]>summary>span{transform:rotate(45deg)}
.fold-content{padding:0 0 22px}.fold-content .score-table{font-size:12px}.fold-content .score-table th,.fold-content .score-table td{padding:10px 12px}
@media(max-width:760px){.paper-results{margin-bottom:45px}.score-table th,.score-table td{padding:10px}.score-table tr>:first-child{min-width:175px}.score-table{font-size:12px}.results-fold>summary{font-size:14px}.table-note{font-size:12px}}
footer{display:flex;justify-content:space-between;gap:20px;padding:24px 0 30px;border-top:1px solid var(--line);font-size:12px;color:var(--muted)}footer>span:first-child{font-family:var(--serif);font-size:16px;color:var(--ink)}
.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}
@keyframes arrive{from{opacity:0;transform:translateY(7px)}to{opacity:1;transform:translateY(0)}}
@media(min-width:1500px){.hero{padding-top:84px}}
@media(max-width:760px){main{padding:0 20px}.hero{padding:45px 0 40px}h1{letter-spacing:-2px}.authors{font-size:14px}.desktop-break{display:none}.intro{font-size:20px}.section-heading{align-items:flex-start;flex-direction:column;gap:6px}h2{font-size:27px}.demo-shell{grid-template-columns:1fr}.task-panel{border-right:0;border-bottom:1px solid #ded8cc;padding:22px}.task-panel h3{font-size:27px;margin:12px 0}.task-panel h3 br{display:none}.task-question{font-size:14px;line-height:1.75}.task-bottom{padding-top:20px}#task-status{min-height:0}.execution-header{padding:0 20px;height:52px}.execution-scroll{height:415px;padding:20px 16px}.demo-controls{padding:13px 16px}.button{padding:10px 13px;gap:9px}.about{margin:45px 0}.results{gap:16px}.results strong{font-size:36px}.results>div>span{font-size:12px}footer{flex-direction:column;gap:3px}.demo-caption{text-align:left}}
@media(max-width:390px){main{padding:0 14px}.paper-links{gap:7px}.paper-links .button{font-size:13px}.soon{font-size:11px}.demo-controls{gap:8px;padding:12px}.playback{gap:6px}.playback .button{font-size:13px;padding:10px}.results{gap:10px}.results strong{font-size:31px}}
@media(max-width:760px){.task-panel{display:block}.task-panel h3{font-size:24px}.task-bottom{padding-top:18px}.execution-scroll{height:590px}.ledger-panel{border-left:0;border-top:1px solid var(--line)}.ledger-content{padding:18px 20px 22px}.ledger-header{padding:0 20px}.step{padding-left:25px}.step-body{padding:0 12px 15px}.raw-observation{padding:11px}.raw-text{font-size:12px}.ledger-header h3{font-size:23px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation:none!important;transition:none!important}}
@media(prefers-reduced-motion:reduce){progress::-webkit-progress-value{transition:none}}
.citation{margin:0 0 65px}
.bibtex{position:relative;background:#f2efe8;border:1px solid var(--line);border-radius:12px}
.bibtex pre{margin:0;padding:22px 24px;overflow-x:auto;font:13px/1.75 ui-monospace,"SF Mono",Menlo,Consolas,"DejaVu Sans Mono",monospace;color:#3b382f;scrollbar-width:thin}
.copy-button{position:absolute;top:12px;right:12px;min-height:34px;padding:6px 12px;font-size:12px}
@media(max-width:760px){.citation{margin-bottom:45px}.bibtex pre{padding:56px 16px 18px;font-size:12px}}
