/* The journey keeps the learning scene in view and its supporting tools quiet. */
.journey-player{--jp-outline-width:230px;--jp-space:clamp(22px,3vw,42px);color:var(--fg);font:18px/1.75 var(--sans);min-width:0;max-width:1440px;margin:auto;padding:30px clamp(18px,4vw,50px) 60px;overflow-wrap:anywhere}
.journey-player *,.jp-map-dialog *{box-sizing:border-box}
.journey-player [hidden],.jp-stage-host[hidden]{display:none!important}
.journey-player :is(a,button,input,select,textarea,summary):focus-visible,.jp-map-dialog :is(a,button,summary):focus-visible{outline:3px solid var(--accent);outline-offset:4px}
.journey-player :is(h1,h2,h3,h4),.jp-map-dialog :is(h2,h3){color:var(--fg)}
.jp-topbar{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:18px 30px;align-items:center;padding-bottom:23px;border-bottom:1px solid var(--border)}
.jp-back{grid-column:1/-1;width:fit-content;color:var(--selected-ink);text-decoration:none;font-size:13px}
.jp-back:hover{text-decoration:underline}
.jp-course-row{grid-column:1/-1;display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap}
.jl-entry{display:inline-flex;align-items:center;gap:9px;min-height:44px;padding:6px 11px;border:1px solid transparent;border-radius:8px;background:transparent;color:var(--sub);font:500 12px/1.4 var(--sans);cursor:pointer}
.jl-entry:hover{background:var(--panel);border-color:var(--border);color:var(--fg)}
.jl-avatar{display:inline-flex;align-items:center;justify-content:center;flex-shrink:0;width:29px;height:29px;border:1px solid var(--border);border-radius:50%;background:var(--raised);color:var(--selected-ink);font-size:11px;overflow:hidden}
.jl-avatar img{width:100%;height:100%;object-fit:cover}
.jl-avatar.is-large{width:58px;height:58px;font-size:20px}
.jl-avatar.is-large svg{width:29px;height:29px}
.jl-entry-balances{display:flex;gap:10px;margin-left:6px;padding-left:12px;border-left:1px solid var(--border)}
.jl-balance{display:flex;flex-direction:column;gap:5px;min-width:0;font-size:12px;color:var(--sub)}
.jl-balance strong{font:500 27px/1.3 var(--display);color:var(--fg)}
.jl-balance.is-compact{flex-direction:row;gap:5px;align-items:center;font-size:11px}
.jl-balance.is-compact strong{font:600 12px/1.4 var(--sans)}
.jl-preview{padding:2px 5px;border:1px solid var(--border);border-radius:4px;font-size:10px}
.jl-dialog{width:min(710px,calc(100vw - 40px))}
.jl-destinations{display:flex;gap:7px;flex-wrap:wrap;padding:8px 26px 22px;border-bottom:1px solid var(--border)}
.jl-destinations button{flex:1 1 auto;font-size:13px;min-height:44px;padding:9px 12px}
.jl-destinations button[aria-pressed=true]{background:var(--selected);border-color:var(--accent);color:var(--selected-ink)}
.jl-section{padding:26px;min-height:260px;font-size:16px}
.jl-section h3{font:500 26px/1.3 var(--display);letter-spacing:-.02em;margin:0 0 15px}
.jl-section p{color:var(--sub);margin:0 0 18px;max-width:60ch}
.jl-profile{display:flex;gap:17px;align-items:center;margin-bottom:23px}
.jl-profile h3{margin-bottom:6px}.jl-profile p{font-size:13px;margin:0}
.jl-balances{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;margin:20px 0;padding:19px;border:1px solid var(--border);border-radius:8px;background:var(--bg)}
.jl-empty-balance{padding:14px 17px;border:1px dashed var(--border);border-radius:7px;font-size:14px}
.jl-exploration{padding-top:22px;border-top:1px solid var(--border);font-size:14px}
.jl-exploration strong{font-weight:500}.jl-exploration p{margin:5px 0 12px}.jl-exploration small{display:block;color:var(--sub);font-size:12px;line-height:1.7}
.jl-footer{padding:0 26px 26px}.jl-footer button{min-height:44px;font-size:13px}
@media(max-width:600px){.jl-entry-balances{display:none}.jl-entry{font-size:11px;padding:6px}.jl-dialog .jp-panel-heading{padding:18px}.jl-destinations{padding:5px 18px 18px;gap:6px}.jl-destinations button{font-size:12px;padding:8px}.jl-section{padding:22px 18px}.jl-footer{padding:0 18px 20px}.jl-profile{align-items:flex-start}.jl-section h3{font-size:24px}}
.jp-orientation{min-width:0}
.jp-orientation :is(small,p){display:block;margin:0 0 7px;font-size:12px;line-height:1.5;color:var(--sub)}
.jp-orientation h1{font:500 clamp(25px,2.8vw,35px)/1.2 var(--display);letter-spacing:-.035em;margin:0}
.jp-tools{display:flex;gap:8px;flex-wrap:wrap;justify-content:flex-end;align-items:center}
:where(.journey-player) :is(.jp-tools,.jp-panel-heading,.jp-notebook-actions,.jp-settings,.jp-unit-actions) button,.jp-link-button,.jp-map-dialog button{display:inline-flex;justify-content:center;align-items:center;gap:8px;min-height:44px;padding:10px 15px;border:1px solid var(--border);border-radius:7px;background:var(--panel);color:var(--fg);font:500 13px/1.5 var(--sans);text-decoration:none;cursor:pointer}
:where(.journey-player) :is(.jp-tools,.jp-panel-heading,.jp-notebook-actions,.jp-settings,.jp-unit-actions) button:hover,.jp-link-button:hover,.jp-map-dialog button:hover{background:var(--raised)}
.jp-tools button[aria-expanded=true]{background:var(--selected);color:var(--selected-ink);border-color:var(--accent)}
.jp-link-button.jp-primary,.journey-player .jp-primary{background:var(--accent);color:var(--button-ink);border-color:var(--accent)}
.jp-link-button.jp-primary:hover,.journey-player .jp-primary:hover{filter:brightness(.96)}
.jp-statusbar{display:flex;justify-content:space-between;gap:12px 24px;flex-wrap:wrap;margin:15px 0 30px;color:var(--sub);font-size:12px;line-height:1.6}
.jp-progress,.jp-save-state,.jp-progress-note{margin:0}
.jp-storage-warning{font-size:13px;line-height:1.65;background:var(--raised);color:var(--fg);border:1px solid var(--border);border-radius:8px;padding:12px 16px;margin:0 0 22px}
.jp-layout{display:grid;grid-template-columns:var(--jp-outline-width) minmax(0,1fr);gap:var(--jp-space);align-items:start;min-width:0}
.jp-layout:has(>.jp-outline[hidden]){grid-template-columns:minmax(0,1fr)}
.jp-outline{position:sticky;top:22px;max-height:calc(100dvh - 44px);overflow:auto;overscroll-behavior:contain;scrollbar-width:thin;border:1px solid var(--border);border-radius:10px;background:var(--panel);font-size:13px;line-height:1.5;min-width:0}
.jp-panel-heading{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:16px 16px 13px;border-bottom:1px solid var(--border)}
.jp-panel-heading h2{font:600 14px/1.4 var(--sans);margin:0}
.jp-panel-heading button{min-width:36px;min-height:36px;padding:6px 9px;font-size:12px;flex-shrink:0}
.jp-chapters{padding:6px 10px 12px}
.jp-chapters>details+details{border-top:1px solid var(--border)}
.jp-chapters summary{cursor:pointer;padding:14px 7px;font-size:13px;font-weight:600;line-height:1.55;color:var(--fg)}
.jp-chapters summary::marker{color:var(--sub);font-size:11px}
.jp-chapters summary small{display:block;margin-top:4px;color:var(--sub);font-size:11px;font-weight:400}
.jp-chapters ol{list-style:none;margin:0 0 12px;padding:0}
.jp-chapters li{margin:3px 0;padding:0}
.jp-chapters a[data-jp-stage-link]{position:relative;display:block;padding:10px 12px 10px 22px;border-radius:6px;color:var(--sub);font-size:12px;line-height:1.55;text-decoration:none}
.jp-chapters a[data-jp-stage-link]:hover{background:var(--raised);color:var(--fg)}
.jp-chapters a[data-jp-stage-link].is-visited::before{content:"";position:absolute;left:9px;top:17px;width:4px;height:4px;border-radius:50%;background:var(--sub)}
.jp-chapters a[data-jp-stage-link][aria-current=step]{color:var(--selected-ink);background:var(--selected);font-weight:600}
.jp-chapters a[data-jp-stage-link][aria-current=step]::before{background:var(--selected-ink)}
.jp-scene{min-width:0;max-width:100%;padding:0 0 12px}
.jp-scene-heading{margin:0 0 30px;padding:0 0 23px;border-bottom:1px solid var(--border)}
.jp-scene-heading>:is(p,small){display:block;color:var(--sub);font-size:12px;line-height:1.6;margin:0 0 10px}
.jp-scene-heading h2{font:500 clamp(29px,3.3vw,43px)/1.18 var(--display);letter-spacing:-.04em;margin:0;max-width:900px}
.jp-scene-heading h2:focus{outline:none}
.jp-scene-heading h2:focus-visible{outline:3px solid var(--accent);outline-offset:7px;border-radius:2px}
.jp-scene-body,.jp-stage-host{min-width:0;max-width:100%}
.jp-scene-body>p,.jp-unit-intro>p,.jp-chapter-intro>p{max-width:75ch;margin:0 0 1.3em}
.jp-scene-body>h3,.jp-unit-intro>h3,.jp-chapter-intro>h3{font:500 27px/1.3 var(--display);letter-spacing:-.025em;margin:32px 0 15px}
.jp-scene-body :is(img,video,canvas,svg,iframe){max-width:100%}
.jp-scene-body :is(.playground,.adaptive-reading,.science-sample){min-width:0;max-width:100%}
.jp-scene-body :is(.playground,.adaptive-reading){margin-left:0;margin-right:0}
.jp-scene-body a:not([class]){color:var(--selected-ink);text-underline-offset:3px}
.jp-scene-body>ul,.jp-scene-body>ol{padding-left:1.4em;max-width:75ch}
.jp-scene-body>ul li,.jp-scene-body>ol li{margin:.55em 0}
.jp-scene-footer{display:grid;grid-template-columns:minmax(0,1fr) auto minmax(0,1fr);gap:20px;align-items:center;margin-top:44px;padding-top:23px;border-top:1px solid var(--border);font-size:13px;line-height:1.6}
.jp-scene-footer>a{width:fit-content;max-width:100%;color:var(--selected-ink);text-decoration:none;padding:10px 0}
.jp-scene-footer>a:hover{text-decoration:underline}
.jp-scene-footer>a:last-child{justify-self:end;text-align:right}
.jp-scene-footer>a[aria-disabled=true]{color:var(--sub);pointer-events:none;opacity:.65}
.jp-scene-position{color:var(--sub);font-size:12px;text-align:center;margin:0}
.jp-unit-intro,.jp-chapter-intro{max-width:900px}
.jp-essential-question{margin:27px 0;padding:23px 26px;border-left:3px solid var(--accent);border-radius:0 8px 8px 0;background:var(--raised)}
.jp-essential-question :is(small,strong,h3){display:block;color:var(--selected-ink);font:600 12px/1.5 var(--sans);margin:0 0 9px}
.jp-essential-question p{font-size:21px;line-height:1.6;margin:0;color:var(--fg)}
.jp-objectives{padding:0;margin:24px 0 30px;list-style:none}
.jp-objectives li{padding:12px 0;border-bottom:1px solid var(--border);font-size:17px;line-height:1.7}
.jp-unit-actions{display:flex;gap:12px;flex-wrap:wrap;align-items:center;margin-top:30px}
.jp-placeholder{padding:24px;border:1px dashed var(--border);border-radius:9px;background:var(--panel);font-size:16px;line-height:1.75;color:var(--sub)}
.jp-placeholder h3{font:500 24px/1.3 var(--display);color:var(--fg);margin:0 0 12px}
.jp-placeholder p:last-child{margin-bottom:0}
.jp-preview-label{display:inline-block;font:500 11px/1.5 var(--sans);color:var(--sub);border:1px solid var(--border);border-radius:4px;padding:3px 7px;vertical-align:middle}
.jp-resume-banner{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:19px 22px;margin:22px 0;border:1px solid var(--border);border-radius:9px;background:var(--panel);font-size:14px;line-height:1.6}
.jp-resume-banner p{margin:0;color:var(--sub)}
.jp-resume-banner strong{color:var(--fg)}
.co-journey-entry{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin:20px 0}
.co-journey-entry p{font-size:13px;color:var(--sub);margin:0}
/* The notebook overlays the page without changing or remounting the scene. */
.jp-notebook{position:fixed;z-index:60;right:22px;top:22px;bottom:22px;width:min(380px,calc(100vw - 44px));padding:0 22px 22px;border:1px solid var(--border);border-radius:12px;background:var(--panel);box-shadow:0 18px 55px rgb(8 18 45 / .2);overflow:auto;overscroll-behavior:contain;scrollbar-width:thin;font-size:14px;line-height:1.65}
.jp-notebook .jp-panel-heading{position:sticky;top:0;z-index:1;margin:0 -22px 18px;padding:18px 22px;background:var(--panel)}
.jp-notebook .jp-panel-heading h2{font-size:17px;font-weight:500}
.jp-notebook>p{font-size:12px;line-height:1.7;color:var(--sub);margin:0 0 22px}
.jp-notebook label{display:block;margin:20px 0 8px;color:var(--fg);font-size:13px;font-weight:600}
.jp-notebook label small{display:block;color:var(--sub);font-size:12px;font-weight:400;margin:4px 0}
.jp-notebook textarea{display:block;width:100%;min-height:145px;resize:vertical;padding:12px 13px;background:var(--bg);color:var(--fg);border:1px solid var(--border);border-radius:7px;font:15px/1.7 var(--sans)}
.jp-notebook textarea::placeholder{color:var(--sub);opacity:.85}
.jp-notebook-status{font-size:12px;line-height:1.6;color:var(--sub);margin:14px 0 0}
.jp-notebook-actions{display:flex;flex-wrap:wrap;gap:9px;margin:22px 0 0}
.jp-notebook-actions button{font-size:12px}
.jp-settings{font-size:12px;line-height:1.7;color:var(--sub);margin-top:30px;padding-top:17px;border-top:1px solid var(--border)}
.jp-settings summary{cursor:pointer;width:fit-content;color:var(--sub)}
.jp-settings[open] summary{margin-bottom:15px}
.jp-settings p{max-width:65ch}
.jp-settings button{font-size:12px}
/* Native dialogs override workspace's generic dialog tokens with the shell's theme. */
.jp-map-dialog{--bg:inherit;--fg:inherit;--sub:inherit;--panel:inherit;--raised:inherit;--button-ink:inherit;--accent:inherit;--border:inherit;--selected:inherit;--selected-ink:inherit;color-scheme:inherit;position:fixed;inset:0;width:min(760px,calc(100vw - 40px));max-height:calc(100dvh - 40px);margin:auto;padding:0;border:1px solid var(--border);border-radius:12px;background:var(--panel);color:var(--fg);font:16px/1.65 var(--sans);overflow:auto;overscroll-behavior:contain;box-shadow:0 24px 70px rgb(8 18 45 / .25)}
.jp-map-dialog::backdrop{background:rgb(8 18 45 / .5)}
.jp-map-dialog .jp-panel-heading{position:sticky;top:0;z-index:1;padding:23px 26px;background:var(--panel)}
.jp-map-dialog .jp-panel-heading h2{font:500 26px/1.25 var(--display);letter-spacing:-.025em}
.jp-map-dialog>p{padding:0 26px;font-size:14px;color:var(--sub)}
.jp-unit-map{list-style:none;padding:0 26px 24px;margin:15px 0 0;display:grid;gap:10px}
.jp-unit-map>li{min-width:0;margin:0}
.jp-unit-map a{display:block;padding:16px 18px;border:1px solid var(--border);border-radius:8px;background:var(--bg);color:var(--fg);text-decoration:none;line-height:1.6}
.jp-unit-map a:hover{background:var(--raised)}
.jp-unit-map a[aria-current]{background:var(--selected);border-color:var(--accent)}
.jp-unit-map :is(small,span){display:block;color:var(--sub);font-size:12px}
.jp-unit-map strong{display:block;font-size:17px;font-weight:500}
.jp-unit-map p{font-size:13px;color:var(--sub);margin:5px 0 0}
.jp-model-frame{min-width:0;max-width:100%;margin:25px 0;border:1px solid var(--border);border-radius:10px;background:var(--panel)}
.jp-model-frame iframe{display:block;width:100%;height:760px;max-height:80dvh;border:0;border-radius:9px;overflow:auto;background:var(--bg)}
.jp-model-frame>a{display:inline-block;margin:12px 16px;font-size:13px;color:var(--selected-ink)}
.jp-diagram{margin:28px 0;padding:20px;border:1px solid var(--border);border-radius:10px;background:var(--panel)}
.jp-diagram img{display:block;width:100%;height:auto;object-fit:contain;max-height:680px}
.jp-diagram figcaption{font-size:13px;line-height:1.65;color:var(--sub);margin:15px 0 0}
@media(min-width:1500px){.jp-layout{gap:48px}.jp-scene{max-width:1120px}}
@media(max-width:1050px){.journey-player{--jp-outline-width:210px;--jp-space:25px}.jp-topbar{gap:18px}.jp-tools{gap:6px}.jp-tools button{padding:9px 12px}.jp-scene-heading h2{font-size:34px}}
@media(max-width:800px){
 .jp-topbar{grid-template-columns:minmax(0,1fr);gap:17px;padding-bottom:20px}.jp-back{grid-column:auto}.jp-orientation h1{font-size:28px}.jp-tools{justify-content:flex-start}.jp-tools button{flex:0 1 auto;padding:10px 14px}
 .jp-statusbar{margin:13px 0 25px;gap:5px 18px}.jp-save-state{max-width:100%}
 .jp-layout{display:block}.jp-outline{position:static;max-height:min(60dvh,520px);width:100%;margin-bottom:27px}.jp-chapters{padding:5px 12px 12px}.jp-chapters a[data-jp-stage-link]{font-size:13px;padding-top:11px;padding-bottom:11px}.jp-chapters a[data-jp-stage-link].is-visited::before{top:19px}
 .jp-scene-heading{margin-bottom:25px;padding-bottom:20px}.jp-scene-heading h2{font-size:34px}.jp-scene-footer{margin-top:34px;gap:12px;font-size:12px}.jp-scene-position{font-size:11px}
 .jp-resume-banner{align-items:flex-start;flex-direction:column;padding:18px}.jp-essential-question{padding:19px 21px}.jp-essential-question p{font-size:20px}
 .jp-notebook{right:12px;top:12px;bottom:12px;width:min(420px,calc(100vw - 24px));padding:0 20px 20px}.jp-notebook .jp-panel-heading{margin:0 -20px 18px;padding:17px 20px}.jp-model-frame iframe{height:700px;max-height:78dvh}
}
@media(max-width:480px){
 .jp-orientation h1{font-size:25px}.jp-tools{gap:6px}.jp-tools button{font-size:12px;padding:9px 11px}.jp-statusbar{font-size:11px}.jp-scene-heading h2{font-size:30px}.jp-scene-body{font-size:18px}.jp-scene-footer{grid-template-columns:minmax(0,1fr) minmax(0,1fr)}.jp-scene-position{grid-column:1/-1;grid-row:2;text-align:center}.jp-scene-footer>a:last-child{grid-column:2;grid-row:1}
 .jp-unit-actions{align-items:stretch;flex-direction:column}.jp-unit-actions>a{text-align:center}.jp-notebook{inset:8px;width:auto;border-radius:9px}.jp-map-dialog{width:calc(100vw - 20px);max-height:calc(100dvh - 20px)}.jp-map-dialog .jp-panel-heading{padding:19px}.jp-map-dialog .jp-panel-heading h2{font-size:23px}.jp-map-dialog>p{padding:0 19px}.jp-unit-map{padding:0 15px 19px}.jp-unit-map a{padding:14px}.jp-diagram{padding:12px}.jp-placeholder{padding:20px}
}
@media(prefers-reduced-motion:reduce){.journey-player *,.jp-map-dialog *{scroll-behavior:auto!important;animation:none!important;transition:none!important}}
@media print{.jp-tools,.jp-outline,.jp-notebook,.jp-map-dialog,.jp-settings,.jp-scene-footer{display:none!important}.jp-layout{display:block}.jp-scene{max-width:none}.jp-topbar{display:block}.jp-scene-body{font-size:12pt}.jp-model-frame iframe{height:500px;max-height:none}}