/* One learning inspector beside the existing map; no animation or canvas blur. */
:root{--detail-surface:#fff;--detail-muted:#555b63;--detail-width:430px}
:root[data-theme="dark"]{--detail-surface:#1f2226;--detail-muted:#b7bbc2}
body.detail-docked #canvas{width:calc(100% - var(--detail-width))}
body.detail-docked .selection-bar{max-width:min(600px,calc(100% - var(--detail-width) - 28px))}
body.detail-docked #inspectHud{display:none}
#panel{position:absolute;inset:0 0 0 auto;width:var(--detail-width);max-height:none!important;height:100%!important;border:0;border-left:1px solid var(--rule);border-radius:0;background:var(--detail-surface);box-shadow:none;z-index:12;overflow:auto;overscroll-behavior:contain;touch-action:pan-y;user-select:text;cursor:auto}
#panel .panel-in{padding:0 24px 36px;font:14px/1.55 'Public Sans',sans-serif}
#panel button{font:inherit;color:var(--ink);cursor:pointer}
#panel [hidden]{display:none!important}
#panel button:focus-visible,#panel summary:focus-visible,#panel a:focus-visible{outline:2px solid var(--ink);outline-offset:3px}
.detail-topline{position:sticky;top:0;background:var(--detail-surface);display:flex;align-items:center;justify-content:space-between;gap:12px;padding:8px 0;z-index:2}
.detail-label{font:10px/1.4 'JetBrains Mono',monospace;letter-spacing:.07em;text-transform:uppercase;color:var(--detail-muted)}
.detail-icon{display:grid;place-items:center;width:44px;height:44px;border:0;background:transparent;border-radius:50%;padding:12px;flex:none;color:var(--ink);cursor:pointer}
.detail-icon svg{width:20px;height:20px}
.detail-heading{margin:2px 0 20px}
.detail-heading>.detail-label{display:none}
.detail-heading h2{font:400 27px/1.12 'Instrument Serif',serif;letter-spacing:-.01em;margin:0}
.detail-choice-group{display:grid;grid-template-columns:1fr;gap:6px;margin-bottom:12px;align-items:start}
.detail-choice-group>.detail-label{font-size:10px;letter-spacing:.035em}
.detail-choices{display:flex;flex-wrap:wrap;gap:6px}
#panel .detail-choices button{border:1px solid var(--rule);background:transparent;border-radius:20px;padding:6px 10px;display:flex;align-items:center;gap:6px;font-size:12px;min-height:36px;text-align:left;line-height:1.25}
#panel .detail-choice-group.supporting button{border-style:dashed}
#panel .detail-choices button[aria-pressed="true"]{background:var(--ink);color:var(--detail-surface);border-color:var(--ink)}
.detail-choices svg{width:22px;height:22px;fill:currentColor;flex:none}
.detail-chooser{padding-bottom:13px;border-bottom:1px solid var(--rule)}
.detail-reading{padding-top:20px}
.detail-reading-title{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:12px}
.detail-reading-title h3{font:400 30px/1.05 'Instrument Serif',serif;margin:0;flex:1}
.detail-role{font:10px 'JetBrains Mono',monospace;color:var(--detail-muted);display:inline-flex;align-items:center;gap:5px}
.detail-role:before{content:'';width:15px;border-top:2px solid var(--detail-muted)}
.detail-role.supporting:before{border-top-style:dashed}
.detail-path{display:flex;align-items:center;margin:8px 0 14px;min-width:0;gap:0}
.path-pill{display:flex;align-items:center;gap:5px;border:1px solid var(--rule);border-radius:12px;padding:5px 7px;font-size:10px;line-height:1.25;color:var(--ink);min-width:0;overflow-wrap:normal}
.path-pill.operation{border-color:var(--path-color);white-space:nowrap}
.path-pill i{width:5px;height:5px;flex:none;border-radius:50%;background:var(--path-color)}
.path-pill.technique{font-weight:600}
.path-join{flex:0 0 10px;border-top:1px solid var(--path-color)}
.detail-path.secondary .path-join{border-top-style:dashed}
.detail-why,.detail-definition{font-size:14px;line-height:1.6;margin:15px 0 19px}
#panel .detail-image{position:relative;display:block;width:100%;padding:14px;border:0;border-radius:8px;background:var(--paper);margin:0;text-align:center}
.detail-image img{display:block;width:100%;height:210px;object-fit:contain}
.detail-image>span{display:inline-flex;align-items:center;gap:6px;padding:6px 0 0;font-size:11px;color:var(--detail-muted)}
.detail-image>span svg{width:14px;height:14px}
.detail-credit{font-size:11px;line-height:1.45;color:var(--detail-muted);margin:9px 0 20px}
.detail-disclosure{border-top:1px solid var(--rule);padding:0;margin:0}
.detail-disclosure summary{cursor:pointer;font-size:13px;min-height:48px;align-content:center;list-style-position:inside}
.detail-disclosure p{margin:8px 0 15px}
.detail-disclosure h4,.detail-when h4,.detail-related h4{font:500 13px/1.4 'Public Sans',sans-serif;margin:15px 0 8px}
.detail-disclosure a{color:inherit;text-underline-offset:3px}
.detail-disclosure .detail-path{margin-bottom:16px}
.detail-caption{font-size:12px;color:var(--detail-muted)}
.detail-properties{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:16px}
.detail-properties span{padding:4px 8px;background:var(--paper);border:1px solid var(--rule);border-radius:12px;font-size:11px}
.detail-related{padding:4px 0 20px;border-top:1px solid var(--rule)}
.detail-section-heading{display:flex;align-items:center;justify-content:space-between;gap:8px;margin:12px 0}
.detail-section-heading h4{margin:0}
#panel .detail-section-heading button{font-size:11px;border:0;border-bottom:1px solid var(--rule);background:transparent;padding:4px 0;min-height:32px}
.detail-example-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}
#panel .detail-example-grid button{padding:0;background:transparent;border:0;text-align:left;min-width:0}
.detail-example-grid button>span{height:100px;display:grid;place-items:center;background:var(--paper);border-radius:4px}
.detail-example-grid img{max-width:100%;width:auto;max-height:96px;object-fit:contain}
.detail-example-grid b{font-size:11px;line-height:1.4;font-weight:400;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin:8px 0 4px}
.detail-example-grid small{display:block;color:var(--detail-muted);font-size:10px}
.detail-tech-mark{float:right;width:58px;height:58px;fill:currentColor;padding:8px;border:1px solid var(--rule);border-radius:50%;margin-left:10px}
.detail-definition{clear:both;padding-top:16px}
.detail-when p{margin:8px 0 20px;font-size:14px}
.detail-research{font-size:13px;padding-bottom:18px}
#detailImageDialog{width:min(1000px,calc(100vw - 28px));max-height:calc(100dvh - 28px);padding:14px 18px;background:var(--detail-surface);color:var(--ink);border:1px solid var(--rule);border-radius:12px}
#detailImageDialog::backdrop{background:#000b}
.detail-dialog-head{display:flex;align-items:center;justify-content:space-between;gap:16px;font-size:14px}
#detailImageDialog>img{display:block;width:100%;height:calc(100dvh - 180px);object-fit:contain}
#detailImageDialog>p{font-size:12px;color:var(--detail-muted)}
@media(min-width:1600px){:root{--detail-width:470px}.detail-image img{height:250px}}
@media(max-width:900px) and (min-width:641px){:root{--detail-width:340px}#panel .panel-in{padding-left:20px;padding-right:20px}.detail-path{flex-wrap:wrap;row-gap:6px}.path-pill.technique{flex:initial}}
@media(max-width:640px){
 body.detail-docked #canvas{width:100%;height:100%}
 #panel{inset:0 0 0 auto;width:min(380px,calc(100% - 16px));height:100%!important;border:0;border-left:1px solid var(--rule);border-radius:0}
 #panel .panel-in{padding:0 20px calc(28px + env(safe-area-inset-bottom))}
 .detail-heading h2{font-size:25px}.detail-heading{margin-bottom:14px}.detail-why{font-size:15px}
 #panel .detail-choices button{min-height:44px}.detail-choice-group{grid-template-columns:1fr;gap:6px;margin-bottom:12px}
 .detail-image img{height:230px}
 .detail-path{flex-wrap:wrap;row-gap:6px}.path-pill.technique{flex:initial}
 #panel .detail-section-heading button{min-height:44px}
 .detail-example-grid{gap:10px}
 #detailReopen{display:none}
}
/* A single adaptive information surface. Existing action nodes live inside it. */
#inspectHud,#sheet{display:none!important}
#web .workbtn,#web .infobtn{display:none}
#panel #detailHeader{padding:8px 16px;gap:8px}
#detailKind{flex:1}
#panel #selectionBar{position:static;display:flex;flex-wrap:wrap;align-items:center;width:auto;max-width:none;min-width:0;margin:0 24px 20px;padding:0;gap:8px;border:0;border-radius:0;box-shadow:none;background:transparent;backdrop-filter:none}
#panel #selectionBar[hidden]{display:none!important}
#panel .selection-copy,#panel #selectionReset,#panel #selectionDetails,#panel #selectionExplain,#panel #boardHint{display:none!important}
#panel #selectionBar button{font:12px/1.2 'Public Sans',sans-serif;min-height:36px;height:36px;padding:7px 12px;border:1px solid var(--rule);border-radius:20px;background:transparent;color:var(--ink)}
#panel #selectionBar button[hidden]{display:none!important}
#panel #selectionBar button[aria-pressed="true"]{background:var(--ink);color:var(--detail-surface)}
#panel #selectionBar .icon-action{width:36px;padding:8px;flex:none}
#panel #selectionBar .icon-action svg{width:18px;height:18px}
#panel #selectionBar #fitSelected{background:var(--ink);color:var(--detail-surface);border-color:var(--ink)}
body.detail-docked #detailReopen{display:none}
#detailReopen svg{width:18px;height:18px}
.detail-list-heading{font:400 23px/1.2 'Instrument Serif',serif;margin:24px 0 12px}
.detail-technique-list{display:grid;gap:3px}
#panel .detail-technique-list button{display:flex;align-items:center;gap:12px;min-height:64px;padding:10px 0;border:0;border-bottom:1px solid var(--rule);background:transparent;text-align:left}
.detail-technique-list svg{width:34px;height:34px;fill:currentColor;flex:none}
.detail-technique-list b{display:block;font:400 21px/1.2 'Instrument Serif',serif}
.detail-technique-list small{display:block;font-size:11px;color:var(--detail-muted);margin-top:3px}
.detail-selected-list{display:grid;gap:8px}
#panel .detail-selected-list button{display:flex;align-items:center;gap:12px;width:100%;min-height:64px;padding:8px 0;background:transparent;border:0;border-bottom:1px solid var(--rule);text-align:left;font-size:13px}
.detail-selected-list img{width:64px;height:64px;object-fit:contain;flex:none}
#detailAux{padding:0 24px 28px}
#detailAux #trayAbout,#detailAux #rev{position:static;inset:auto;width:auto;max-width:none;height:auto;max-height:none;border:0;border-radius:0;box-shadow:none;background:transparent;color:var(--ink);padding:0;overflow:visible}
#detailAux .tray-in{width:auto;max-width:none;padding:0}
#detailAux .tray-close,#detailAux #revOff,#detailAux .rev-tag{display:none}
#detailAux .rights-grid{display:block}
#detailAux .rights-grid section{padding:16px 0;border-top:1px solid var(--rule)}
#detailAux .rev-row{flex-wrap:wrap}
#detailAux #revText{flex:1 0 100%;width:100%;box-sizing:border-box}
#detailAux .rev-on{white-space:normal;overflow:visible}
#panel .detail-help .howto{padding-left:18px;line-height:1.6;font-size:14px}
#panel .detail-help .howto li{margin-bottom:16px}
#panel .detail-help summary{min-height:44px;cursor:pointer}
@media(max-width:800px){
 #panel #detailHeader{padding:4px 12px}
 #panel #selectionBar{margin:0 20px 16px;gap:6px}
 #panel #selectionBar button{height:44px;min-height:44px}
 #panel #selectionBar .icon-action{width:44px;padding:12px}
 #detailAux{padding:0 20px 28px}
}

/* Exploration controls are disclosed inside the guide, never a second toolbar. */
#explorePanel{display:none!important}
#panel #detailHeader{gap:2px}
#detailSearchTools{display:grid;gap:10px;padding:0 24px 20px;margin-bottom:20px;border-bottom:1px solid var(--rule)}
#detailSearchTools[hidden]{display:none}
#detailSearchTools #q{width:100%;max-width:none;min-width:0;min-height:44px;box-sizing:border-box;flex:none;margin:0}
#detailSearchTools .varmenu,#detailSearchTools .viewmenu{width:100%}
#detailSearchTools .varsum{min-height:40px;justify-content:space-between}
#detailSearchTools .varlist,#detailSearchTools .view-options{position:static;inset:auto;width:100%;max-width:none;min-width:0;box-sizing:border-box;margin-top:8px;box-shadow:none}
#detailSearchTools .varlist{grid-template-columns:repeat(2,minmax(0,1fr))}
#detailSearchTools .varlist button{white-space:normal}
#panel #detailClearFilters,#panel .detail-guide-note button{justify-self:start;background:transparent;border:0;border-bottom:1px solid var(--rule);padding:6px 0;font:12px/1.4 'Public Sans',sans-serif;min-height:40px}
#detailSearchToggle.is-active{background:var(--paper-2);box-shadow:inset 0 0 0 1px var(--rule)}
#panel .detail-welcome h2{font-size:34px;max-width:290px}
.detail-welcome p,.detail-guide-note p{font-size:14px;line-height:1.6;margin:14px 0 0}
.detail-goals{display:grid}
#panel .detail-goals button{display:flex;align-items:center;gap:15px;width:100%;padding:13px 0;min-height:76px;border:0;border-bottom:1px solid var(--rule);background:transparent;text-align:left}
.detail-goals svg{width:42px;height:42px;flex:none;fill:currentColor}
.detail-goals b{display:block;font:400 25px/1.15 'Instrument Serif',serif}
.detail-goals small{display:block;font:13px/1.5 'Public Sans',sans-serif;color:var(--detail-muted);margin-top:5px}
.detail-guide-note{margin-top:26px}.detail-guide-note button{margin-top:14px}
.detail-reading-title h3{flex:1 0 100%}
@media(max-width:640px){#detailSearchTools{padding-left:20px;padding-right:20px}#detailSearchTools #q{font-size:16px}#detailSearchTools .varsum{min-height:44px}}
/* Keep image identity, the selected reading and the general guide distinct. */
#panel #selectionBar{display:none!important}
#panel #detailHeader #comparisonActions{border:0;background:transparent;padding:12px;width:44px;height:44px;min-height:44px;color:var(--ink)}
#panel #comparisonActions svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}
#panel .detail-welcome h2{max-width:none;text-wrap:balance}
.detail-intro{font-size:13px;line-height:1.6;color:var(--detail-muted);margin:-3px 0 14px}
.detail-intro strong{font-weight:500;color:var(--ink)}
.detail-work-heading{margin:4px 0 16px}
.detail-work-figure{margin:0}
.detail-work-figure .detail-credit{margin:10px 0 14px}
.detail-work-heading h2{font-size:26px}
.detail-work-figure .detail-image img{height:240px}
.detail-chooser{padding:0 0 8px}
.detail-chooser .detail-list-heading{margin-top:22px}
.detail-chooser>.detail-caption{margin:6px 0 18px}
.detail-reading h4,.detail-concept h3{font:600 13px/1.4 'Public Sans',sans-serif;margin:20px 0 8px}
.detail-reading .detail-definition{padding:0;margin:8px 0 12px;clear:none}
.detail-reading .detail-reading-title{margin-bottom:18px}
.detail-application{border-left:2px solid var(--ink-35);padding-left:14px;margin:24px 0 12px}
.detail-application h4{margin-top:0}
.detail-application .detail-why{margin:8px 0 0}
#panel .detail-text-action{border:0;border-bottom:1px solid var(--rule);background:transparent;padding:6px 0;min-height:40px;line-height:1.4;font-size:12px;text-align:left;margin:12px 0 18px}
.detail-concept{clear:both;padding-top:1px;margin-bottom:26px}
.detail-concept p{font-size:14px;line-height:1.6;margin:8px 0 20px}
.detail-related .detail-section-heading h3{font:400 23px/1.2 'Instrument Serif',serif;margin:12px 0 0}
.detail-related>.detail-caption{margin:8px 0 16px}
.detail-related{padding-bottom:24px}
.canvas-selection-actions{position:absolute;right:0;bottom:calc(100% + 8px);display:flex;gap:6px;align-items:center;padding:4px;border:1px solid var(--rule);border-radius:24px;background:var(--paper)}
.canvas-selection-actions[hidden],.zoomctl button[hidden]{display:none!important}
.zoomctl #fitSelected{width:auto;padding:0 14px;font:12px 'Public Sans',sans-serif;white-space:nowrap}
.zoomctl #resetArrangement svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.5}
@media(max-width:640px){.detail-work-figure .detail-image img{height:220px}#panel .detail-text-action{min-height:44px}}

/* Phone: one inspector, compact on the map or full-width for reading. */
#detailCompact,#detailMapReturn{display:none}
@media(max-width:640px){
 body.detail-mobile #panel{display:block;inset:8px 10px auto;width:calc(100% - 20px);height:90px!important;max-height:90px!important;overflow:hidden;border:1px solid var(--rule);border-radius:14px;background:var(--detail-surface);transition:none;box-shadow:0 2px 8px #0001}
 body.detail-mobile #panel:not(.open)>:not(#detailCompact){display:none!important}
 body.detail-mobile #panel:not(.open) #detailCompact{display:flex;align-items:center;gap:0;padding:8px;height:100%;box-sizing:border-box}
 #panel #detailCompactOpen{display:flex;align-items:center;gap:10px;min-width:0;flex:1;height:100%;border:0;background:none;padding:0 4px;text-align:left}
 #detailCompactOpen>span{min-width:0;flex:1}
 #detailCompactTitle{font:400 22px/1.08 'Instrument Serif',serif;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
 #detailCompactHint{display:block;font:12px/1.4 'Public Sans',sans-serif;color:var(--detail-muted);margin-top:5px}
 #detailCompactOpen>svg{width:18px;height:18px;flex:none}
 #detailCompactImage{width:44px;height:54px;object-fit:contain;flex:none;background:var(--paper)}
 #detailCompactHide{align-self:center}
 body.detail-mobile #canvas,body.detail-mobile.detail-docked #canvas{top:106px;height:calc(100% - 106px);width:100%}
 body.detail-mobile.detail-summary-hidden #canvas{top:0;height:100%}
 body.detail-mobile.detail-summary-hidden #panel:not(.open){display:none}
 body.detail-mobile #panel.open{inset:0;width:100%;height:100%!important;max-height:none!important;border:0;border-radius:0;overflow-y:auto;overflow-x:hidden;box-shadow:none}
 body.detail-mobile #detailReopen,body.detail-mobile #mobileExplore{display:none}
 body.detail-mobile.detail-summary-hidden:not(.detail-reading-mobile) #mobileExplore{display:inline-flex;min-height:44px}
 body.detail-mobile.detail-reading-mobile #canvas{visibility:hidden}
 body.detail-mobile #panel #detailHeader{padding:4px 10px;min-height:52px;box-sizing:border-box;gap:0}
 #panel #detailMapReturn{display:flex;align-items:center;gap:4px;min-height:44px;padding:0 8px 0 0;border:0;background:transparent;font:15px 'Public Sans',sans-serif}
 #detailMapReturn svg{width:20px;height:20px}
 body.detail-mobile #detailKind{font-size:11px;letter-spacing:.02em;text-align:center;min-width:0}
 body.detail-mobile #pc,body.detail-mobile #detailBack{display:none}
 #panel .panel-in{font-size:17px;line-height:1.55;padding:4px 20px calc(28px + env(safe-area-inset-bottom))}
 #panel .detail-welcome h2{font-size:32px;text-wrap:initial}
 .detail-welcome p,.detail-concept p,.detail-why,.detail-definition,.detail-when p{font-size:17px;line-height:1.55}
 .detail-intro{font-size:15px;line-height:1.55}
 .detail-list-heading{font-size:27px;line-height:1.15}
 #panel .detail-goals button{min-height:88px;padding:14px 0;gap:12px}
 .detail-goals b{font-size:27px}.detail-goals small{font-size:14px}
 .detail-heading h2,.detail-work-heading h2{font-size:28px;overflow-wrap:anywhere}
 .detail-label,.detail-role{font-size:11px}.detail-caption,.detail-credit{font-size:13px}
 #panel .detail-choices button{font-size:14px;padding:8px 12px;min-height:44px}
 .detail-path{gap:0;flex-wrap:nowrap}.path-pill{font-size:12px;padding:6px 8px;overflow-wrap:anywhere}.path-pill:not(.technique){flex:none;white-space:nowrap}.path-pill.technique{flex:0 1 auto;white-space:normal}.path-join{flex-basis:8px}
 .detail-reading h4,.detail-concept h3{font-size:16px}
 .detail-reading-title h3{font-size:29px}
 .detail-disclosure summary{font-size:15px;min-height:52px}
 .detail-research{font-size:15px}
 #panel .detail-text-action{font-size:15px;min-height:44px}
 .detail-example-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:20px 14px}
 .detail-example-grid button>span{height:140px}.detail-example-grid img{max-height:136px}
 .detail-example-grid b{font-size:13px}.detail-example-grid small{font-size:12px}
 .detail-example-grid button:last-child:nth-child(odd){grid-column:1}
 #panel .detail-technique-list button{min-height:76px}.detail-technique-list b{font-size:25px}.detail-technique-list small{font-size:13px}
 .zoomctl{max-width:calc(100% - 20px);gap:0;box-sizing:border-box}
 .zoomctl button{min-width:44px;width:44px;padding:0;flex:none}
 #detailImageDialog{box-sizing:border-box;inset:0;width:100%;max-width:100vw;height:100dvh;max-height:100dvh;border:0;border-radius:0;margin:0;padding:calc(12px + env(safe-area-inset-top)) 16px calc(12px + env(safe-area-inset-bottom))}
 #detailImageDialog>img{height:calc(100dvh - 190px);touch-action:pinch-zoom}
 #detailImageDialog .detail-dialog-head{font-size:15px;align-items:flex-start}
}