:root{font-family:Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;color:#171b1d;background:#f3f4f1;font-synthesis:none;--line: #d8dbd5;--muted: #626a6d;--surface: #fbfcfa;--ink: #171b1d}*{box-sizing:border-box}body{margin:0;min-width:320px}button{font:inherit}.studio-shell,.detail-shell{min-height:100vh;max-width:1500px;margin:0 auto;padding:0 40px}.studio-header{height:78px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);gap:24px}.studio-header__brand{font-weight:700;letter-spacing:-.02em}.studio-header__brand span,.studio-header__meta{color:var(--muted);font-weight:500}.studio-header__meta{font-size:13px}.hero{padding:92px 0 84px;max-width:990px}.eyebrow{text-transform:uppercase;font-weight:700;letter-spacing:.13em;font-size:11px;color:#6e7775;margin:0 0 14px}h1{margin:0;font-size:clamp(46px,6.4vw,94px);line-height:.96;letter-spacing:-.055em;font-weight:650}.lede{max-width:780px;margin:28px 0 0;color:var(--muted);font-size:19px;line-height:1.55}.registry-section{border-top:1px solid var(--line);padding:34px 0 72px}.registry-heading{display:flex;justify-content:space-between;align-items:end;gap:24px;margin-bottom:28px}.registry-heading h2{margin:0;font-size:28px;letter-spacing:-.03em}.filters{display:flex;gap:6px;flex-wrap:wrap}.filters button,.text-button{border:0;background:transparent;color:var(--muted);cursor:pointer;padding:8px 10px;border-radius:999px;text-transform:capitalize}.filters button:hover,.filters button.is-active{background:#e2e5df;color:var(--ink)}.prototype-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.prototype-card{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:24px;min-height:360px;display:flex;flex-direction:column}.prototype-card__topline{display:flex;justify-content:space-between;align-items:center;gap:16px}.status{font-size:11px;text-transform:uppercase;letter-spacing:.08em;font-weight:700;padding:5px 8px;border-radius:999px;background:#e9ebe6}.status--exploring{background:#f2e9d8;color:#76531b}.status--reference{background:#e3e8eb;color:#40535d}.status--converged{background:#deece6;color:#2e6752}.prototype-card__updated{color:var(--muted);font-size:12px}.prototype-card h2{margin:34px 0 10px;font-size:30px;letter-spacing:-.035em}.prototype-card>p{color:var(--muted);line-height:1.55;margin:0}.prototype-card__meta{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin:28px 0 0}dl{margin:0}.prototype-card__meta div,.detail-aside dl div{border-top:1px solid var(--line);padding-top:10px}dt{font-size:11px;color:var(--muted);margin-bottom:5px}dd{margin:0;font-size:13px}code{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.92em}.prototype-card__tags{display:flex;flex-wrap:wrap;gap:6px;margin:18px 0 24px}.prototype-card__tags span{font-size:11px;padding:5px 7px;border:1px solid var(--line);border-radius:5px;color:var(--muted)}.prototype-card__actions{margin-top:auto;display:flex;align-items:center;gap:8px}.prototype-card__actions a,.prototype-card__actions button{border:1px solid #1f2527;padding:10px 14px;border-radius:8px;cursor:pointer;font:inherit;text-decoration:none}.prototype-card__actions a{color:#fff;background:#1f2527}.prototype-card__actions button{color:#1f2527;background:transparent}.route-link{color:var(--ink);text-decoration:none}.route-link:hover{text-decoration:underline}footer{border-top:1px solid var(--line);min-height:96px;display:flex;align-items:center;justify-content:space-between;gap:16px;color:var(--muted);font-size:12px}.detail-shell{padding-top:28px}.text-button{padding-left:0}.detail-grid{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:80px;padding:80px 0}.detail-main h1{font-size:clamp(48px,6vw,86px)}.detail-section{border-top:1px solid var(--line);margin-top:54px;padding-top:22px;max-width:820px}.detail-section h2,.detail-aside h2{font-size:15px;margin:0 0 14px}.detail-section p,.detail-section li{color:#444c4f;line-height:1.6}.route-chip{display:inline-block;background:#e6e9e3;padding:10px 12px;border-radius:7px}.muted{font-size:13px;color:var(--muted)!important}.detail-aside{border-left:1px solid var(--line);padding-left:28px;align-self:start}.detail-aside dl{display:grid;gap:18px}.detail-aside p{color:var(--muted);font-size:13px;line-height:1.55;margin-top:26px}@media (max-width: 820px){.studio-shell,.detail-shell{padding-left:20px;padding-right:20px}.studio-header__meta{display:none}.hero{padding:64px 0}.prototype-grid{grid-template-columns:1fr}.registry-heading{align-items:flex-start;flex-direction:column}.detail-grid{grid-template-columns:1fr;gap:50px;padding-top:54px}.detail-aside{border-left:0;border-top:1px solid var(--line);padding:24px 0 0}footer{align-items:flex-start;flex-direction:column;padding:28px 0}}.workspace-shell{min-height:100vh;max-width:1500px;margin:0 auto;padding:0 40px 90px}.workspace-topbar{height:78px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line)}.workspace-topbar>div{font-weight:700;letter-spacing:-.02em}.workspace-topbar span{color:var(--muted);font-weight:500}.workspace-main{max-width:1180px;margin:0 auto}.workspace-hero{padding:76px 0 54px;display:flex;align-items:end;justify-content:space-between;gap:30px}.workspace-hero h1{font-size:clamp(46px,6vw,78px)}.workspace-hero__actions{flex:0 0 auto;padding-bottom:6px}.primary-link,.primary-button,.secondary-button{display:inline-flex;align-items:center;justify-content:center;min-height:40px;padding:9px 14px;border-radius:8px;font:inherit;font-size:13px;text-decoration:none;cursor:pointer}.primary-link,.primary-button{border:1px solid #1f2527;background:#1f2527;color:#fff}.secondary-button{border:1px solid #aeb5b1;background:transparent;color:var(--ink)}.current-revision{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:30px}.section-title-row{display:flex;align-items:flex-start;justify-content:space-between;gap:22px}.section-title-row h2{margin:0;font-size:28px;letter-spacing:-.035em}.revision-status{display:inline-flex;align-items:center;padding:5px 8px;border-radius:999px;font-size:10px;font-weight:700;text-transform:uppercase;letter-spacing:.08em;background:#e8eae6}.revision-status--current{background:#deece6;color:#2e6752}.revision-status--candidate{background:#f2e9d8;color:#76531b}.revision-status--superseded,.revision-status--archived{color:var(--muted)}.current-summary{max-width:780px;color:#465052;line-height:1.6;margin:22px 0 26px}.current-meta{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}.current-meta div{border-top:1px solid var(--line);padding-top:10px}.preserve-block{border-top:1px solid var(--line);margin-top:28px;padding-top:20px}.preserve-block h3{margin:0 0 10px;font-size:14px}.preserve-block ul{margin:0;padding-left:20px;color:#465052}.preserve-block li{margin:7px 0;line-height:1.5}.workspace-actions{display:flex;gap:9px;align-items:center;margin-top:24px;flex-wrap:wrap}.start-work-panel{margin-top:18px;padding:24px;border:1px solid #bfc7c1;border-radius:12px;background:#edf0eb}.start-work-panel h3{margin:0 0 8px;font-size:20px}.start-work-panel>div>p:last-child{color:#4f5958;line-height:1.55}.start-work-panel pre{white-space:pre-wrap;overflow-wrap:anywhere;margin:20px 0 0;padding:16px;border-radius:8px;background:#202525;color:#eef1ee;font:12px/1.55 ui-monospace,SFMono-Regular,Menlo,monospace}.workspace-section{border-top:1px solid var(--line);margin-top:54px;padding-top:28px}.section-count{display:grid;place-items:center;min-width:30px;height:30px;border-radius:999px;background:#e4e7e2;font-size:12px}.revision-list{margin-top:20px;border-top:1px solid var(--line)}.revision-row{display:grid;grid-template-columns:70px minmax(0,1fr);gap:20px;padding:22px 0;border-bottom:1px solid var(--line)}.revision-id{font:600 18px ui-monospace,SFMono-Regular,Menlo,monospace}.revision-heading{display:flex;align-items:center;gap:10px}.revision-copy p{margin:7px 0 11px;color:#4e5759;line-height:1.5}.revision-provenance{display:flex;gap:18px;flex-wrap:wrap;color:var(--muted);font-size:12px}.empty-state{margin-top:20px;padding:28px;border:1px dashed #b9bfba;border-radius:12px}.empty-state p{max-width:720px;color:var(--muted);line-height:1.6}.exploration-list{margin-top:20px}.exploration-row{display:grid;grid-template-columns:1fr auto;gap:24px;padding:18px 0;border-top:1px solid var(--line)}.exploration-row p{margin:5px 0 0;color:var(--muted)}.exploration-row>div:last-child{display:grid;gap:4px;text-align:right;color:var(--muted);font-size:12px}@media (max-width: 820px){.workspace-shell{padding-left:20px;padding-right:20px}.workspace-hero{align-items:flex-start;flex-direction:column}.current-meta{grid-template-columns:repeat(2,minmax(0,1fr))}.revision-row{grid-template-columns:52px minmax(0,1fr)}}