:root{--paper:#f6f4ee;--ink:#213c38;--muted:#66756e;--line:#d8dfd7;--green:#216f62}
main{max-width:1440px;padding:30px 36px 48px}header{margin-bottom:26px}header .eyebrow{font-size:11px;letter-spacing:.13em;text-transform:uppercase}h1{font-size:42px;letter-spacing:-.025em;margin:10px 0}.lede{max-width:740px;line-height:1.6}.experiment-tag{font-size:12px;padding:6px 10px;border:1px solid var(--line);border-radius:20px;white-space:nowrap}.experiment-intro{font-size:14px;max-width:880px;color:var(--muted);margin:18px 0 22px}.system-tabs{margin-bottom:12px}
.lane-picker{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;margin-bottom:14px}.lane-card{text-align:left;display:grid;gap:3px;padding:13px 16px;border:1px solid var(--line);border-radius:8px;background:#fcfcf8}.lane-card[aria-pressed=true]{background:#e7f1ea;border-color:#216f62;box-shadow:inset 0 3px #216f62}.lane-card strong{font-size:15px}.lane-card span,.lane-card small{font-size:12px;font-weight:400;color:var(--muted)}
.workbench{border-radius:10px;overflow:hidden;grid-template-columns:255px minmax(0,1fr);background:#fffef9}.control-panel{max-height:none;overflow:visible;height:100%;background:#f2f5ee}.control-panel .tile-picker{background:none}.control-panel .tile-option{font-size:11px}.control-panel select{max-width:100%;width:100%;font-size:13px}.input-controls{padding:16px;border-bottom:1px solid var(--line);display:grid;gap:9px}.input-controls>label,.input-controls>strong{font-size:13px}.input-controls .hint{padding:0;border:0;line-height:1.65}.control-panel>.hint{border:0;padding:16px;line-height:1.65}.individual-tiles{margin:10px 0}.individual-tiles summary{font-size:12px}
.canvas-panel .toolbar{padding:12px 18px;gap:8px}.toolbar button{font-size:13px}.toolbar #coronaStatus{margin-left:auto;font-size:12px;color:var(--muted)}.space-summary{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));padding:19px 22px 12px;gap:12px;border-bottom:1px solid var(--line);background:#fdfdf9}.space-summary span{display:block;color:var(--muted);font-size:11px}.space-summary strong{display:block;font:29px/1.4 Georgia,serif;color:var(--green)}.space-progress{grid-column:1/-1;font-size:11px;gap:14px;color:var(--muted)}.space-progress progress{height:6px;flex:1;width:auto;border:0;border-radius:4px;accent-color:#3a8877;overflow:hidden}.space-progress progress::-webkit-progress-bar{background:#e3e8df}.space-progress progress::-webkit-progress-value{background:#3a8877}
#learningCanvas{width:100%;height:clamp(360px,49vh,590px);min-height:360px;background:#eaeee5}.status-bar{flex-direction:column;align-items:flex-start;padding:10px 18px}.status-bar #learningStats{font-size:12px}.status-bar strong{overflow-wrap:anywhere;max-width:100%}.point-legend{font-size:12px;color:var(--muted);padding:12px 18px 0;margin:0}#pointInfo{min-height:70px;padding:8px 18px;white-space:pre-line;font:13px/1.6 system-ui;overflow-wrap:anywhere}#pointInfo mjx-container{font-size:105%!important}.memory-panel{max-width:none;border-top:1px solid var(--line);padding:12px 18px;margin:0}.memory-panel summary{font-size:12px}.memory-panel p{white-space:pre-line;font-size:12px;line-height:1.75}.memory-panel small{font-size:11px;color:var(--muted)}
.research-notes{max-width:960px;margin:28px 0}.research-notes>details{border-bottom:1px solid var(--line);padding:15px 0;margin:0;max-width:none}.research-notes summary{font:18px Georgia,serif}.research-notes p{font-size:14px;line-height:1.8}.research-notes .curve-learning summary{font:600 14px system-ui}.archive-links{font-size:12px;color:var(--muted)}[hidden]{display:none!important}
@media(max-width:950px){main{padding:20px}.workbench{grid-template-columns:220px minmax(0,1fr)}.space-summary{gap:8px;padding:14px}.space-summary span{font-size:10px}.space-summary strong{font-size:26px}.toolbar #coronaStatus{flex-basis:100%;margin:0}}
@media(max-width:650px){main{padding:16px 12px}h1{font-size:32px}.experiment-tag{display:none}.lane-picker{gap:5px}.lane-card{padding:10px 8px}.lane-card strong{font-size:12px}.lane-card span,.lane-card small{font-size:10px}.workbench{grid-template-columns:1fr}.control-panel{max-height:none;display:grid;grid-template-columns:1fr 1fr;border-right:0}.control-panel .tile-picker{grid-row:span 2}.control-panel>.hint{grid-column:1/-1;padding:10px 14px}.input-controls{padding:12px}.space-summary{grid-template-columns:repeat(2,minmax(0,1fr))}#learningCanvas{height:52vh;min-height:330px}.research-notes{margin-top:20px}.control-panel .tile-options{grid-template-columns:repeat(2,minmax(0,1fr))}}