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#studio .equation-row input{background:#040a10;margin:0;padding:7px;font:12px/1.35 ui-monospace,monospace;border-color:#253a49;min-height:32px}#studio .range-editor input{background:#040a10;margin:4px 0 0}#studio .row-heading button{background:none}#studio .row-heading .hide[aria-pressed=true]{color:#b3d9ee;background:#102333}
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/* Reviewed separation: controls, graph, Equation Studio list. */
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@media(min-width:641px) and (max-width:1119px){.workspace{grid-template-columns:minmax(0,1fr) 310px;grid-template-rows:minmax(0,1fr) 235px;grid-template-areas:'stage formulas' 'tools formulas'}#tools{display:flex;gap:18px;overflow:auto;border-top:1px solid #263846}#tools>div:first-child,#tools>.triple{flex:none}#tools>.parameter-section{flex:0 0 210px;margin:0;padding:0;border:0}#tools>.inspector-footer{flex:0 0 130px}#stage .stage-heading{padding-left:16px}.stage-heading h2{font-size:19px}}
@media(max-width:640px){html,body{overflow:auto}.poster-studio{height:auto;min-height:100dvh}.workspace{display:flex;flex-direction:column;height:auto}#stage{height:370px;min-height:370px;grid-template-rows:68px minmax(0,1fr) 54px;order:0}.stage-heading{padding:14px 16px 0}.stage-heading h2{font-size:18px}#formula-list{order:1;overflow:visible;border-left:0;border-top:1px solid #263846;padding:15px}#tools{order:2;overflow:visible;padding:16px;border-top:1px solid #263846}.equation-box canvas{height:54px}.stage-footer{padding:6px 12px}.stage-actions button{min-height:36px}.ps-header{position:relative}.equation-row{margin-bottom:13px}.list-intro{margin:8px 0 14px}}
.embedded .workspace{display:flex;height:auto}.embedded #stage{height:290px;min-height:290px;grid-template-rows:60px minmax(0,1fr) 50px}.embedded .stage-heading{inset:auto;padding:12px}.embedded #formula-list{padding:12px}.embedded #tools{overflow:visible}.embedded .stage-footer{inset:auto}.embedded .stage-heading h2{font-size:16px}
@media(min-width:641px) and (max-width:1119px){html,body{overflow:auto}.poster-studio{height:auto}.workspace{height:auto;grid-template-columns:230px minmax(0,1fr);grid-template-rows:620px auto;grid-template-areas:'tools stage' 'formulas formulas'}#tools{display:block;overflow-y:auto;overflow-x:hidden;border-top:0}#tools>.parameter-section{margin-top:15px;padding-top:15px;border-top:1px solid #24333e}#formula-list{overflow:visible;border-top:1px solid #263846;border-left:0}#equations{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.equation-row{min-width:0;margin:0}}

#axis-labels .axis-glyph{position:absolute;left:0;top:0;background:transparent;pointer-events:none;will-change:transform} .stage-actions button{padding:5px 6px;min-width:0}.embedded .stage-actions button{font-size:9px}

/* Teaching rail: equations and their plot are one simultaneous compact stack. */
.embedded #formula-list{order:0;padding:8px 10px;border-top:0}.embedded #stage{order:1;height:230px;min-height:230px;grid-template-rows:0 minmax(0,1fr) 44px}.embedded .stage-heading{display:none}.embedded #tools{order:2}.embedded .list-intro,.embedded .native-studio-link,.embedded .formula-list-header .eyebrow,.embedded .row-heading,.embedded #equation-status:empty{display:none}.embedded .formula-list-header h2{font-size:11px;margin:0}.embedded .formula-list-header{margin-bottom:6px}.embedded .formula-list-header button{min-height:24px;padding:3px 7px}.embedded .equation-row{margin:0 0 4px;padding-bottom:4px}.embedded .row-actions{margin-top:3px}.embedded .row-actions button{min-height:23px}.embedded .equation-box{padding:5px}.embedded .equation-divider{padding-top:4px}.embedded .stage-footer{padding:4px 8px}

#plot{grid-row:2}.stage-footer{grid-row:3}

.surface-choices{display:grid;grid-template-columns:1fr 1fr;gap:5px}.surface-choices button:last-child{grid-column:1/-1}

.embedded #formula-list{max-height:250px;overflow-y:auto;flex-shrink:0}.embedded .formula-list-header{position:sticky;top:-8px;z-index:2;background:#080e15;padding:4px 0}.embedded .equation-row:not(:only-child) .row-heading{display:flex}.embedded .equation-row:not(:only-child) .row-heading .row-name{font-size:10px}
/* The instrument has a frame; the mathematical 2D plane does not. */
#stage{border:1px solid #2d4353;border-radius:14px;margin:10px;overflow:hidden}.embedded #stage{margin:8px 0;border-radius:12px}.equation-live{border-top:1px solid #1b2d3b;margin-top:3px}#teaching-demo p{font-size:11px;line-height:1.5;color:#b3cad9;margin:8px 0}#demo-steps{display:grid;grid-template-columns:repeat(4,1fr);gap:4px}#demo-steps button{padding:5px;font-size:10px}.embedded #formula-list{max-height:290px}.embedded #formula-list:has(.equation-row:only-child){overflow:visible;max-height:none}.embedded .row-actions{display:none}.embedded #teaching-demo p{font-size:10px}.embedded #demo-steps button{min-height:28px}.embedded #stage{height:230px;min-height:230px}

#demo-reason{background:#000;border:1px solid #1d3445;border-radius:6px;margin:6px 0}#demo-reason canvas{display:block;width:100%;max-height:74px}.embedded #demo-reason{margin:4px 0}

.embedded .equation-row:only-child .row-actions{display:flex}.embedded #tools .range-editor{margin-top:8px}

.derivation-heading{display:flex;align-items:center;justify-content:space-between;padding:5px 8px 0;color:#99b6cb;font-size:10px}.derivation-heading button{min-height:24px;padding:3px 7px;font-size:10px}#derivation-artwork{height:76px}#derivation-artwork canvas{max-height:none;width:100%;display:block}#measurement-labels{position:absolute;inset:0;pointer-events:none}#measurement-labels canvas{position:absolute;top:0;left:0;width:42px;height:36px;will-change:transform}.embedded #formula-list:has(.equation-row:only-child){flex-shrink:0}

/* Keep the working equation, derivation and graph visible beneath native AdamAI. */
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.embedded #formula-list{padding:5px 10px}
.embedded .formula-list-header{padding:2px 0;margin-bottom:4px}

.embedded .row-actions{display:flex}

.equation-list-actions{display:flex;gap:5px}
.embedded .equation-row:only-child .row-actions{display:none}
.embedded #demo-reason{position:relative;padding-top:12px}
.embedded .derivation-heading{position:absolute;top:0;left:0;right:0;height:24px;z-index:1}
.embedded .derivation-heading button{min-height:20px;font-size:9px;padding:2px 5px}
.embedded #teaching-demo p{min-height:24px;margin:4px 0;font-size:10px}
.embedded .equation-row{padding-bottom:0;border-bottom:0}

.editor-preview{margin:14px 0;min-height:64px}
.editor-preview canvas{width:100%;height:auto;min-height:54px}
#edit-preview[data-valid=false]{opacity:.35}
#equation-editor input{display:block;width:100%;margin-top:8px;padding:10px;border:1px solid #345065;border-radius:5px;background:#02070c;color:#d8edfa;font:13px ui-monospace,monospace}

.embedded #stage{height:198px;min-height:198px}

/* The teacher rail presents mathematics; the standalone Studio retains its tools. */
.teacher-presentation,.teacher-presentation body{height:auto;overflow:hidden}
.teacher-presentation .poster-studio{height:auto;min-height:0}
.teacher-presentation #tools,.teacher-presentation .formula-list-header,
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.teacher-presentation #demo-steps,.teacher-presentation .stage-footer,
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.teacher-presentation #formula-list{padding:0;background:transparent;border:0;max-height:none;overflow:visible}
.teacher-presentation .equation-box{padding:0;border:0;border-radius:0}
.teacher-presentation .equation-row{margin:0;padding:0}
.teacher-presentation #demo-reason{border:0;padding-top:18px;margin:4px 0}
.teacher-presentation .derivation-heading{padding:0;height:18px}
.teacher-presentation #teaching-demo p{min-height:0;margin:4px 0}
.teacher-presentation #stage{grid-template-rows:0 minmax(0,1fr) 0;height:220px;min-height:220px;margin:6px 0 0}
.teacher-presentation #graph{cursor:default;touch-action:auto}
.teacher-presentation.equation-editable .formula-list-header{display:flex!important;justify-content:flex-end}
.teacher-presentation.equation-editable .formula-list-header>div:first-child,
.teacher-presentation.equation-editable #add{display:none!important}
#teacher-equations{margin:0;padding:0;background:#000}
#teacher-equations>p{margin:0;font-size:11px;color:#b9cfde;line-height:1.4}
.teacher-equation-art{height:88px;overflow:hidden}
.teacher-equation-art canvas{display:block;width:100%;height:88px}
.teacher-presentation.has-teacher-equations #equations,
.teacher-presentation.has-teacher-equations #teaching-demo{display:none!important}
.teacher-presentation.equations-only #stage{display:none!important}

/* The calculator consumes the native graph renderer without a second inspector. */
.calculator-viewport,.calculator-viewport body,.calculator-viewport #studio{height:100%;margin:0;overflow:hidden}
.calculator-viewport .ps-header,.calculator-viewport #tools,.calculator-viewport #formula-list,.calculator-viewport #planar-inspector,.calculator-viewport .stage-heading,.calculator-viewport .stage-footer{display:none!important}
.calculator-viewport .workspace{display:block!important;height:100%!important;padding:0!important}
.calculator-viewport #stage{height:100%!important;min-height:0!important;display:block!important;margin:0!important;border:0!important}
.calculator-viewport #plot{position:absolute!important;inset:0!important;height:100%!important;width:100%!important;min-height:0!important}