:root{color-scheme:dark;--bg:#151715;--rail:#191c18;--surface:#1f231d;--surface-alt:#252a21;--line:#353c2e;--line-soft:#2b3126;--text:#ebe9df;--muted:#a4ac9a;--dim:#89947f;--accent:#c8ad84;--ink:#24251c;--good:#afc99a;--space-xs:6px;--space-sm:12px;--space-md:20px;--space-lg:32px;--space-xl:48px;--radius-sm:4px;--radius-md:9px;--font-body:"Avenir Next","PingFang SC",system-ui,sans-serif;--font-mono:"SFMono-Regular",Consolas,monospace;font-family:var(--font-body);font-size:14px;line-height:1.65}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text)}a{color:inherit;text-decoration:none}button,input,textarea{font:inherit}button{cursor:pointer;touch-action:manipulation}button:disabled{opacity:.45;cursor:not-allowed}button:focus-visible,a:focus-visible,textarea:focus-visible{outline:2px solid var(--accent);outline-offset:4px}[hidden]{display:none!important}.skip{position:fixed;left:20px;top:-100px;background:var(--accent);color:var(--ink);padding:10px;z-index:100}.skip:focus{top:10px}.shell{display:flex;min-height:100vh}.rail{position:fixed;inset:0 auto 0 0;width:208px;display:flex;flex-direction:column;background:var(--rail);border-right:1px solid var(--line-soft);padding:28px 20px}.brand{display:flex;align-items:center;gap:12px;font-size:17px;font-weight:500;margin-bottom:58px}.brand small{display:block;color:var(--dim);font:8px var(--font-mono);letter-spacing:1.5px;margin-top:3px}.monogram{display:grid;place-items:center;width:31px;height:35px;color:var(--accent);font:20px Georgia,serif;border-top:1px solid var(--accent);border-bottom:1px solid var(--accent)}.rail-label{font-size:10px;color:var(--dim);letter-spacing:1px;margin-bottom:12px;padding:0 10px}.rail nav{display:grid;gap:5px}.rail nav a{padding:10px 11px;min-height:44px;border-radius:var(--radius-sm);font-size:12px;color:var(--muted)}.rail nav a span{font:9px var(--font-mono);color:var(--dim);margin-right:13px}.rail nav a.active,.rail nav a:hover{background:var(--surface-alt);color:var(--text)}.rail nav a.active span{color:var(--accent)}.rail-bottom{margin-top:auto;padding:30px 10px 0}.rail-bottom p{font-size:10px;color:var(--dim);line-height:2}.rail-bottom a{font-size:11px;color:var(--accent)}.edition{display:block;font:8px var(--font-mono);letter-spacing:1px;color:var(--dim);margin-top:27px}.workspace{margin-left:208px;width:calc(100% - 208px);min-width:0}.topbar{display:flex;justify-content:space-between;align-items:center;height:65px;padding:0 38px;border-bottom:1px solid var(--line-soft);font-size:11px;color:var(--dim)}.topbar strong{font-weight:400;color:var(--muted)}.local-link{color:var(--accent);font-size:10px}main{padding:34px 38px 0;max-width:1440px;margin:auto;outline:none}.page-title{display:flex;justify-content:space-between;align-items:center;gap:20px;margin-bottom:26px}.eyebrow{font:9px var(--font-mono);letter-spacing:1.4px;color:var(--dim);margin:0 0 10px}.page-title h1{font-family:"Iowan Old Style","Songti SC",serif;font-size:30px;font-weight:500;letter-spacing:-.5px;line-height:1.4;margin:0 0 9px}.page-title p:last-child{font-size:12px;color:var(--muted);margin:0}.preset{font:10px var(--font-mono);color:var(--muted);white-space:nowrap}.preset b{display:inline-block;border:1px solid #544936;background:#302b22;color:var(--accent);font-size:9px;font-weight:400;padding:3px 5px;border-radius:3px;margin-left:4px}.boundary{display:flex;align-items:flex-start;gap:11px;padding:13px 16px;border:1px solid #4a4634;border-radius:var(--radius-sm);background:#25251d;margin-bottom:29px}.boundary-dot{height:5px;width:5px;border-radius:50%;background:var(--accent);margin-top:7px;flex:none}.boundary strong{display:block;font-size:11px;font-weight:500;color:var(--accent)}.boundary span:not(.boundary-dot){font-size:10px;color:var(--muted)}section{scroll-margin-top:20px}.section-heading{display:flex;justify-content:space-between;align-items:center;gap:15px;margin-bottom:13px}.section-heading h2{font-size:14px;letter-spacing:.1px;font-weight:500;margin:0}.mode-switch{display:flex;gap:3px;border:1px solid var(--line);border-radius:var(--radius-sm);padding:3px}.mode-switch button{border:0;background:transparent;color:var(--dim);padding:6px 11px;font-size:11px;min-height:31px;border-radius:2px}.mode-switch button.selected{background:#363c2e;color:var(--text)}.run-surface{border:1px solid #434c39;border-radius:var(--radius-md);overflow:hidden;background:var(--surface)}.run-heading{display:flex;justify-content:space-between;align-items:center;gap:15px;padding:21px 24px 18px;border-bottom:1px solid var(--line-soft)}.run-heading .eyebrow{font-size:8px;margin-bottom:7px}.run-heading h3{font-size:15px;font-weight:450;margin:0;line-height:1.7}.state{font-size:10px;color:var(--accent);white-space:nowrap;display:flex;align-items:center;gap:6px}.state:before{content:'';width:5px;height:5px;border-radius:50%;background:currentColor}.stage-track{display:grid;grid-template-columns:repeat(4,1fr);gap:11px;padding:20px 24px;border-bottom:1px solid var(--line-soft)}.stage-button{background:none;border:0;border-top:2px solid #48513c;padding:9px 0 0;color:var(--dim);font-size:10px;text-align:left;min-height:34px}.stage-button span{font:9px var(--font-mono);margin-right:8px}.stage-button.selected{border-color:var(--accent);color:var(--accent)}.stage-button.completed{border-color:#8b9e75;color:var(--good)}.stage-content{display:grid;grid-template-columns:42px minmax(0,1fr) 205px;gap:16px;padding:27px 24px;min-height:236px}.stage-number{font:25px var(--font-mono);color:#9eac8c;line-height:1.4}.role-label{font-size:10px;color:var(--accent)}.stage-copy h3{font-size:19px;font-weight:450;margin:7px 0 10px;line-height:1.5}.stage-copy p{font-size:12px;color:var(--muted);margin:0 0 15px;max-width:540px;line-height:1.9}.stage-copy ul{list-style:none;padding:0;margin:0;display:grid;gap:5px}.stage-copy li{font-size:11px;color:var(--muted)}.stage-copy li:before{content:'·';color:var(--accent);margin-right:9px}.stage-note{border-left:1px solid var(--line);padding-left:20px}.stage-note>span{font-size:9px;color:var(--dim)}.stage-note p{font-family:"Iowan Old Style","Songti SC",serif;font-size:16px;line-height:1.9;color:#d5dbc8;margin:10px 0 15px}.stage-note small{font-size:9px;color:var(--dim);line-height:1.8}.run-controls{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:15px 24px 0;border-top:1px solid var(--line-soft)}.run-controls>div{display:flex;gap:8px}.primary,.secondary{min-height:37px;padding:7px 13px;border-radius:var(--radius-sm);font-size:11px;line-height:1.5}.primary{color:var(--ink);background:var(--accent);border:1px solid var(--accent);font-weight:600}.primary:hover{background:#d6bb94;border-color:#d6bb94}.secondary{color:var(--muted);background:transparent;border:1px solid var(--line)}.secondary:hover{background:#313829;color:var(--text)}.demo-feedback{min-height:28px;font-size:9px;color:var(--dim);margin:10px 24px 11px}.contract-section,.evidence-section{margin-top:35px}.small-label{font-size:9px;color:var(--dim)}.contract-layout{display:grid;grid-template-columns:minmax(0,1fr) 270px;border:1px solid var(--line);border-radius:var(--radius-md);overflow:hidden}.contract-editor{padding:23px 24px;background:#1a1e17;min-width:0}.contract-editor label{font-size:11px;display:block;color:var(--muted);margin-bottom:8px}.contract-editor textarea{width:100%;display:block;padding:11px 13px;border:1px solid var(--line);background:#141910;color:var(--text);border-radius:var(--radius-sm);font-size:12px;line-height:1.9;resize:vertical;min-width:0;margin-bottom:19px}.contract-meta{display:flex;gap:25px;flex-wrap:wrap;margin:3px 0 20px;font-size:9px;color:var(--dim)}.contract-meta strong{font-weight:400;color:var(--muted);margin-left:9px}.contract-actions{display:flex;gap:8px;justify-content:flex-end}.feedback{color:var(--good);font-size:10px;min-height:15px;margin:10px 0 0}.handoff-note{padding:25px 24px;border-left:1px solid var(--line);background:#181c16}.handoff-note h3{font-size:17px;font-weight:450;line-height:1.7;margin:10px 0 15px}.handoff-note p,.handoff-note li{font-size:11px;color:var(--muted);line-height:1.95}.handoff-note ol{padding-left:17px;margin:20px 0}.handoff-note a{font-size:11px;color:var(--accent)}.handoff-note small{display:block;font-size:9px;color:var(--dim);line-height:1.85;margin-top:15px}.evidence-record{border:1px solid var(--line);border-radius:var(--radius-md);padding:22px 24px;background:#191d17}.evidence-record>p{font-size:11px;color:var(--muted);margin:0;line-height:1.9}.evidence-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;padding:0 0 20px;margin-bottom:17px;border-bottom:1px solid var(--line)}.evidence-grid span{font-size:9px;color:var(--dim);display:block}.evidence-grid strong{font:18px var(--font-mono);color:var(--text);font-weight:400;margin-top:6px;display:block}.verified-summary h3{font-size:13px;font-weight:500;margin:18px 0 8px}.verified-summary p,.verified-summary li{font-size:11px;color:var(--muted);line-height:1.9}.verified-summary ul{padding-left:17px}.evidence-link{font-size:10px;color:var(--accent)}footer{display:flex;justify-content:space-between;gap:15px;color:var(--dim);font-size:9px;padding:25px 0 30px}footer a{color:var(--muted)}.toast{position:fixed;left:50%;bottom:20px;transform:translateX(-50%);background:#323b2b;border:1px solid #5b6c4d;color:var(--text);border-radius:var(--radius-sm);padding:11px 16px;font-size:12px;max-width:calc(100vw - 30px);z-index:80}
@media(max-width:1100px){.rail{width:180px;padding:25px 15px}.workspace{margin-left:180px;width:calc(100% - 180px)}main{padding:28px 27px 0}.topbar{padding:0 27px}.stage-content{grid-template-columns:32px minmax(0,1fr);gap:13px}.stage-note{display:none}.contract-layout{grid-template-columns:minmax(0,1fr) 235px}.handoff-note{padding:23px 20px}.stage-copy h3{font-size:18px}}
@media(max-width:760px){.rail{position:static;width:100%;padding:14px 20px 0;border-right:0;border-bottom:1px solid var(--line-soft)}.shell{display:block}.brand{margin:0 0 13px;font-size:15px;gap:9px}.brand small{display:inline;font-size:8px;margin-left:7px}.monogram{font-size:15px;width:24px;height:26px}.rail-label,.rail-bottom{display:none}.rail nav{display:flex;gap:5px}.rail nav a{min-height:35px;padding:8px 10px;font-size:10px;border-radius:4px 4px 0 0}.rail nav a span{font-size:8px;margin-right:7px}.workspace{width:100%;margin:0}.topbar{height:46px;padding:0 20px;font-size:9px}.local-link{font-size:9px}main{padding:25px 20px 0}.page-title h1{font-size:25px}.page-title p:last-child{font-size:11px}.preset{display:none}.boundary{padding:12px 14px;margin-bottom:23px}.boundary strong{font-size:10px}.boundary span:not(.boundary-dot){font-size:9px}.run-heading{padding:18px}.run-heading h3{font-size:13px}.stage-track{padding:16px 18px;gap:8px}.stage-button{font-size:9px}.stage-button span{font-size:8px;margin-right:5px}.stage-content{padding:24px 18px;min-height:240px}.stage-copy h3{font-size:18px}.run-controls{padding:14px 18px 0}.run-controls button{font-size:10px;padding:7px 10px}.demo-feedback{margin-left:18px;margin-right:18px;font-size:9px;line-height:1.85}.contract-layout{grid-template-columns:1fr}.contract-editor{padding:20px 18px}.handoff-note{padding:22px 18px;border-left:0;border-top:1px solid var(--line)}.handoff-note h3{font-size:16px}.handoff-note ol{margin:14px 0}.evidence-record{padding:20px 18px}.evidence-grid{grid-template-columns:repeat(2,1fr);gap:15px}.evidence-grid strong{font-size:17px}.mode-switch button{font-size:10px;padding:5px 10px}.section-heading h2{font-size:13px}.small-label{font-size:8px}.run-heading{gap:12px}.state{font-size:9px}.page-title .eyebrow{font-size:8px}footer{font-size:8px;line-height:1.8}.primary,.secondary{min-height:40px}.run-controls>div{gap:6px}}
@media(prefers-reduced-motion:no-preference){button,a{transition:color 150ms,background 150ms,border-color 150ms}html{scroll-behavior:smooth}}