:root{font-family:Arial,Helvetica,sans-serif;color:#173c3a;background:#e8e9e0;font-synthesis:none}*{box-sizing:border-box}body{margin:0;overflow:hidden}button,a{-webkit-tap-highlight-color:transparent}button{font:inherit;cursor:pointer}button:focus,a:focus{outline:none}body.keyboard-navigation button:focus-visible,body.keyboard-navigation a:focus-visible{outline:2px solid #6d9587;outline-offset:3px}#scene{position:fixed;inset:0}canvas{display:block}header{position:absolute;left:36px;right:36px;top:28px;display:flex;align-items:center;justify-content:space-between;gap:24px;pointer-events:none}header>*{pointer-events:auto}.brand{text-decoration:none;color:inherit;display:flex;gap:12px;align-items:center;font-size:12px;letter-spacing:2px;font-weight:bold;line-height:1.4}.mark{font-size:38px;color:#336c58}.project{font-size:10px;letter-spacing:2px;margin-left:auto;margin-right:25px}.project span{color:#789089}header button{border:1px solid #8eaaa0;border-radius:30px;padding:12px 18px;background:#f4f5ecce;font-size:12px}header button span{margin-left:15px}.intro{position:absolute;left:48px;top:160px;width:270px;pointer-events:none}.eyebrow{font-size:9px;letter-spacing:2px;font-weight:bold;color:#608477}h1{font-size:55px;letter-spacing:-2.8px;line-height:1.04;font-weight:500;margin:24px 0 20px}h1 em{font-family:Georgia,serif;font-weight:400;color:#638060}p{font-size:13px;line-height:1.7;color:#5b746a}.tags{display:flex;flex-wrap:wrap;gap:6px;margin-top:22px}.tags span{font-size:9px;padding:7px 9px;border:1px solid #bfcbbf;border-radius:20px;background:#edf0e8aa}.views{display:flex;flex-direction:column;gap:4px;margin-top:35px;pointer-events:auto;align-items:flex-start}.views button{border:0;background:none;color:#789084;font-size:11px;padding:8px 0}.views .selected{color:#224e41;font-weight:bold}.scene-caption{position:absolute;right:38px;top:110px;display:flex;align-items:center;gap:8px;font-size:9px;letter-spacing:1.4px}.dot{height:6px;width:6px;border-radius:50%;background:#6f9a70}.toolbar{position:absolute;bottom:55px;left:50%;transform:translateX(-50%);display:flex;align-items:center;gap:26px;background:#f9faf2ee;box-shadow:0 8px 40px #304f3e16;border:1px solid #fff;border-radius:18px;padding:15px 20px;white-space:nowrap}.toolbar-title{font-size:8px;line-height:1.7;letter-spacing:1px;color:#7f8f7d}.toolbar-title strong{font-size:12px;letter-spacing:0;color:#285044}.modes{display:flex;gap:4px}.modes button{background:transparent;border:0;border-radius:10px;padding:13px 17px;font-size:11px;color:#5f796b}.modes .active{background:#244d42;color:#fff}footer{position:absolute;bottom:21px;left:38px;right:38px;display:flex;justify-content:space-between;font-size:9px;color:#768c7b;letter-spacing:.4px}#loading{position:fixed;inset:0;background:#eef0e7;display:grid;place-content:center;text-align:center;z-index:50;transition:opacity .4s}#loading p{font-size:20px;margin-bottom:6px}#loading small{color:#7c9181;font-size:11px}dialog{width:min(1100px,94vw);max-height:88vh;border:0;border-radius:22px;padding:32px;background:#f4f5ee;color:#204b3e;box-shadow:0 40px 100px #132e3366}dialog::backdrop{background:#17362c70;backdrop-filter:blur(8px)}.dialog-head{display:flex;justify-content:space-between;align-items:flex-start}h2{font-size:28px;font-weight:500;letter-spacing:-1px;margin:10px 0}.dialog-head button{border:0;background:#e4e9dc;border-radius:50%;width:35px;height:35px}.catalog-note{max-width:800px;font-size:12px}.filters{display:flex;gap:8px;margin:22px 0;flex-wrap:wrap}.filters button{border:1px solid #bacbb8;background:transparent;padding:8px 13px;border-radius:20px;font-size:11px}.filters .active{background:#244d42;color:white}#catalog-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.asset{border:1px solid #d5dece;border-radius:14px;padding:18px;background:#fff9}.asset small{font-size:9px;color:#7c8c75}.asset h3{font-size:15px;margin:11px 0 8px}.asset p{font-size:11px;margin:8px 0}.asset a{font-size:11px;color:#2c6b55;display:inline-block;margin-top:8px}.asset .badge{display:inline-block;padding:4px 7px;background:#e0ead8;border-radius:6px;font-size:9px;margin-bottom:3px}.asset.candidate .badge{background:#f3e8cd}.asset.custom .badge{background:#e2e8ef}@media(max-width:900px){.project{display:none}.intro{left:24px;top:115px;width:200px}h1{font-size:42px}.intro p{font-size:11px}.tags{display:none}.toolbar{gap:12px;bottom:45px;padding:12px}.toolbar-title{display:none}.modes button{padding:11px;font-size:10px}.scene-caption{top:110px;font-size:8px}.views{margin-top:20px}#catalog-grid{grid-template-columns:repeat(2,1fr)}}@media(max-width:600px){header{left:18px;right:18px;top:18px}.brand{font-size:10px}.mark{font-size:30px}header button{font-size:10px;padding:10px}.intro{top:95px;width:190px}h1{font-size:34px;margin-top:14px}.intro p{display:none}.views{flex-direction:row;gap:10px;flex-wrap:wrap;margin-top:10px;width:280px}.views button{font-size:9px}.scene-caption{display:none}.toolbar{width:calc(100% - 24px);bottom:45px;flex-wrap:wrap;justify-content:center;gap:5px}.modes{width:100%;justify-content:center}.modes button{padding:10px 8px}footer{left:18px;right:18px;bottom:13px;font-size:8px;gap:12px}footer span:first-child{max-width:145px}#catalog-grid{grid-template-columns:1fr}dialog{padding:22px}h2{font-size:24px}}
[hidden]{display:none!important}.room-nav{display:flex;gap:4px;border:1px solid #b7c6b3;border-radius:30px;padding:4px;background:#f4f5ecbd;margin-left:25px}.room-nav button{background:none;border:0;padding:9px 14px;font-size:11px}.room-nav .active{background:#244d42;color:white}.project{font-size:8px;margin-right:0;letter-spacing:1.2px}.enter-class{pointer-events:auto;margin-top:20px;border:0;border-radius:10px;background:#244d42;color:white;padding:13px 15px;font-size:11px}.intro-classroom{top:140px;width:265px;pointer-events:auto}.intro-classroom h1{font-size:46px;margin:22px 0 16px;line-height:1.08}.intro-classroom>p{font-size:12px}.lesson-quiz{margin-top:24px;padding-top:19px;border-top:1px solid #acbfb1}.lesson-quiz h2{font-size:17px;line-height:1.4;letter-spacing:-.4px;margin:12px 0}.answers{display:flex;flex-wrap:wrap;gap:6px}.answers button{background:#f3f6ec;border:1px solid #a8bdad;border-radius:10px;padding:10px 13px;font-size:11px;color:#315d4c}.answers .correct{background:#266951;color:#fff}.answers .incorrect{background:#b96e51;color:#fff}.lesson-quiz p{font-size:11px;min-height:54px;margin:10px 0}#ask-pupil{border:0;border-bottom:1px solid #799d86;background:none;padding:7px 0;color:#315d4c;font-size:11px}#pause-model{border:0;border-left:1px solid #d7dfd2;background:none;padding:10px 0 10px 18px;font-size:11px;color:#426353}.class-toolbar{min-width:620px}.in-classroom .scene-caption{max-width:360px;text-align:right}.in-classroom .intro-classroom{background:linear-gradient(90deg,#dce6dfe8 60%,#dce6df00);padding:12px 14px 20px 0;border-radius:16px}
@media(max-width:1100px){.project{display:none}.room-nav{margin-left:auto}.intro-classroom{width:235px}.intro-classroom h1{font-size:40px}}
@media(max-width:600px){header{flex-wrap:wrap;gap:8px}.room-nav{order:3;margin-left:0;justify-content:center;width:100%;padding:2px}.room-nav button{font-size:10px;padding:8px 13px}.intro-atrium{top:135px}.intro-classroom{top:130px;left:18px;width:180px}.intro-classroom h1{font-size:29px;margin:10px 0}.intro-classroom>p{display:none}.intro-classroom .eyebrow{font-size:8px;letter-spacing:1px}.lesson-quiz{margin-top:15px;padding-top:12px}.lesson-quiz h2{font-size:13px;margin:7px 0}.answers button{font-size:10px;padding:8px 10px}.lesson-quiz p{display:block;font-size:10px;min-height:45px}.class-toolbar{min-width:0}#pause-model{border:0;padding:6px;font-size:10px}.enter-class{margin-top:10px;padding:10px;font-size:10px}.intro-classroom.in-classroom{padding-right:5px}}
.intro-academy{top:135px;width:270px;pointer-events:auto}.intro-academy h1{font-size:48px;line-height:1.05;margin:20px 0}.intro-academy>p{font-size:12px}.flight-card{margin-top:24px;padding-top:18px;border-top:1px solid #adc1ad}.flight-counter{display:flex;align-items:center;justify-content:space-between;gap:10px}.flight-counter span{font-size:8px;letter-spacing:1.3px;color:#6a8877}.flight-counter strong{font-size:23px;font-weight:500;color:#326b58}#flight-progress{display:block;width:100%;height:5px;margin:15px 0 20px;appearance:none;border:0;border-radius:4px;background:#c9d6c3}#flight-progress::-webkit-progress-bar{background:#c9d6c3;border-radius:4px}#flight-progress::-webkit-progress-value{background:#4f9279;border-radius:4px}#flight-progress::-moz-progress-bar{background:#4f9279}.flight-card h2{font-size:19px;line-height:1.3;margin:12px 0;letter-spacing:-.4px}.flight-card p{font-size:11px;min-height:54px}.flight-steps{padding-left:18px;color:#88a08c;font-size:11px;line-height:2}.flight-steps .current{color:#295d48;font-weight:bold}.academy-toolbar{gap:14px}.academy-toolbar>button{font-size:11px;white-space:nowrap;background:none;color:#436654;border:0;border-radius:10px;padding:13px 12px}.academy-toolbar>.flight-primary{background:#244d42;color:#fff;padding:14px 18px}.academy-toolbar button:disabled{opacity:.4;cursor:default}.academy-toolbar #flight-follow.active{background:#dce9d2;box-shadow:inset 0 0 0 1px #8eb294}.in-academy .intro-academy{background:linear-gradient(90deg,#e2e9ddf5 60%,#e2e9dd00);padding:10px 14px 12px 0;border-radius:16px}.in-academy .scene-caption{max-width:320px;text-align:right}.room-nav{margin-left:12px}.room-nav button{padding:9px 12px;font-size:10px}.project{display:none}
@media(max-width:900px){.academy-toolbar{gap:5px;padding:12px}.academy-toolbar>button{font-size:10px;padding:10px 8px}.intro-academy{left:24px;width:225px}.intro-academy h1{font-size:42px}.flight-card p{font-size:10px}}
@media(max-width:600px){.room-nav{margin-left:0;gap:0}.room-nav button{padding:8px 9px;font-size:9px}.intro-academy{top:130px;left:18px;width:180px}.intro-academy h1{font-size:32px;margin:10px 0}.intro-academy .eyebrow{font-size:7px;letter-spacing:1px}.intro-academy>p{display:none}.flight-card{margin-top:12px;padding-top:12px}.flight-card h2{font-size:15px}.flight-card p{display:block;font-size:10px;min-height:42px}.flight-counter span{font-size:7px}.flight-counter strong{font-size:20px}.flight-steps{font-size:9px;line-height:1.8;padding-left:14px;margin-bottom:0}#flight-progress{margin:10px 0}.academy-toolbar{gap:4px;justify-content:center}.academy-toolbar>button{padding:9px 7px;font-size:9px}.academy-toolbar>.flight-primary{padding:11px 13px}.in-academy footer span:last-child{max-width:170px;text-align:right}}

.intro-space{top:135px;width:270px;pointer-events:auto;background:linear-gradient(90deg,#e8ebe2f5 65%,#e8ebe200);padding:10px 14px 12px 0;border-radius:16px}.intro-space h1{font-size:48px;margin:20px 0}.intro-space>p{font-size:12px}.mission-picker{display:flex;gap:6px;margin-top:20px}.mission-picker button{border:1px solid #a4bbae;background:#f0f4ea;border-radius:10px;padding:11px 18px;color:#396252;font-size:12px}.mission-picker .active{background:#244d42;color:white}.intro-space .flight-card{margin-top:18px}.intro-space .flight-card p{min-height:65px}.simulation-note{display:block;font-size:9px;line-height:1.5;color:#6c8277;max-width:240px;margin-top:12px}#space-goal{font-size:11px;color:#427961;padding-top:8px;border-top:1px solid #bacaba}#space-progress{width:100%;height:5px;display:block;appearance:none;border:0;border-radius:4px;background:#c9d6c3;margin:12px 0 18px}#space-progress::-webkit-progress-bar{background:#c9d6c3;border-radius:4px}#space-progress::-webkit-progress-value{background:#4f9279;border-radius:4px}#space-progress::-moz-progress-bar{background:#4f9279}.space-toolbar{gap:8px}.space-toolbar>button{font-size:11px;white-space:nowrap;background:none;color:#436654;border:0;border-radius:10px;padding:13px 12px}.space-toolbar>.flight-primary{background:#244d42;color:white;padding:14px 18px}.space-toolbar button:disabled{opacity:.4;cursor:default}.space-toolbar button.active{background:#dce9d2}.in-space .scene-caption{max-width:340px;text-align:right}
@media(max-width:900px){header{gap:12px}.room-nav button{padding:9px 8px;font-size:9px}.space-toolbar{gap:4px;padding:12px}.space-toolbar>button{padding:10px 8px;font-size:10px}.intro-space{width:225px;left:24px}.intro-space h1{font-size:40px}}
@media(max-width:600px){.room-nav button{padding:8px 6px;font-size:8px}.intro-space{top:130px;left:18px;width:177px}.intro-space h1{font-size:31px;margin:10px 0}.intro-space>.eyebrow{font-size:7px;letter-spacing:1px}.intro-space>p{display:none}.mission-picker{margin-top:12px;gap:4px}.mission-picker button{padding:8px 10px;font-size:10px}.intro-space .flight-card{margin-top:12px}.intro-space .flight-card p{min-height:60px;font-size:10px}.intro-space .simulation-note{font-size:8px}.intro-space #space-goal{font-size:10px}.intro-space .flight-steps{margin-top:9px}.space-toolbar>button{padding:9px 7px;font-size:9px}.space-toolbar>.flight-primary{padding:11px 13px}.in-space footer span:last-child{max-width:170px;text-align:right}}
@media(max-height:760px) and (min-width:601px){.intro-space{top:112px}.intro-space h1{font-size:35px;margin:12px 0}.intro-space>p{margin:8px 0}.intro-space .flight-card{margin-top:12px;padding-top:12px}.intro-space .flight-steps{display:none}.intro-space .flight-card p{min-height:50px}.intro-space .simulation-note{margin-top:9px}}

.intro-wind{top:135px;width:270px;pointer-events:auto;background:linear-gradient(90deg,#e8ebe2f5 65%,#e8ebe200);padding:10px 14px 12px 0;border-radius:16px}.intro-wind h1{font-size:48px;margin:20px 0}.intro-wind>p{font-size:12px}.wind-toolbar{gap:8px}.wind-toolbar>button{font-size:11px;white-space:nowrap;background:none;color:#436654;border:0;border-radius:10px;padding:13px 12px}.wind-toolbar>.flight-primary{background:#244d42;color:white;padding:14px 18px}.wind-toolbar button:disabled{opacity:.4;cursor:default}.wind-toolbar button.active{background:#dce9d2}#wind-progress{width:100%;height:5px;accent-color:#4f9279;margin:15px 0}.intro-wind .flight-card p{min-height:75px}.room-nav{flex-wrap:wrap;justify-content:center}.in-wind .scene-caption{max-width:340px;text-align:right}
@media(max-width:900px){.intro-wind{left:24px;width:225px}.intro-wind h1{font-size:40px}.wind-toolbar{gap:4px;padding:12px}.wind-toolbar>button{font-size:10px;padding:10px 8px}}
@media(max-width:600px){.room-nav button{padding:8px 5px;font-size:8px}.intro-wind{top:138px;left:18px;width:177px}.intro-wind h1{font-size:31px;margin:10px 0}.intro-wind>.eyebrow{font-size:7px;letter-spacing:1px}.intro-wind>p{display:none}.intro-wind .flight-card p{display:block;min-height:75px}.wind-toolbar>button{font-size:9px;padding:9px 7px}.wind-toolbar>.flight-primary{padding:11px 13px}.in-wind footer span:last-child{max-width:170px;text-align:right}}

.intro-garden{top:135px;width:270px;pointer-events:auto;background:linear-gradient(90deg,#e8ebe2f5 65%,#e8ebe200);padding:10px 14px 12px 0;border-radius:16px}.intro-garden h1{font-size:48px;margin:20px 0}.intro-garden>p{font-size:12px}.garden-toolbar{gap:8px}.garden-toolbar>button{font-size:11px;white-space:nowrap;background:none;color:#436654;border:0;border-radius:10px;padding:13px 12px}.garden-toolbar>.flight-primary{background:#244d42;color:white;padding:14px 18px}.garden-toolbar button:disabled{opacity:.4;cursor:default}.garden-toolbar [aria-pressed=true]{background:#dce9d2}#garden-progress{width:100%;height:5px;accent-color:#4f9279;margin:15px 0}.intro-garden .flight-card p{min-height:65px}.garden-views{display:flex;flex-wrap:wrap;gap:5px;margin:20px 0 12px}.garden-views button{border:1px solid #b3c6b2;border-radius:9px;background:#f0f3e7;color:#557761;font-size:10px;padding:9px 10px}.garden-views button.active{background:#244d42;color:white}.in-garden .scene-caption{max-width:340px;text-align:right}.room-nav{max-width:730px}
@media(max-width:1050px){header{gap:10px}.room-nav button{font-size:9px;padding:9px 7px}}
@media(max-width:900px){.intro-garden{left:24px;width:225px}.intro-garden h1{font-size:40px}.garden-toolbar{gap:4px;padding:12px}.garden-toolbar>button{font-size:10px;padding:10px 8px}}
@media(max-width:600px){.room-nav button{padding:8px 5px;font-size:8px}.intro-garden{top:155px;left:18px;width:177px}.intro-garden h1{font-size:31px;margin:10px 0}.intro-garden>.eyebrow{font-size:7px;letter-spacing:1px}.intro-garden>p{display:none}.intro-garden .flight-card p{display:block;min-height:65px}.garden-views{margin-top:12px}.garden-views button{font-size:9px;padding:8px}.garden-toolbar>button{font-size:9px;padding:9px 7px}.garden-toolbar>.flight-primary{padding:11px 13px}.in-garden footer span:last-child{max-width:170px;text-align:right}}
@media(max-height:760px){.intro-garden .tags{display:none}.intro-garden h1{font-size:32px;margin:10px 0}.intro-garden .flight-card{margin-top:12px;padding-top:12px}.intro-garden .garden-views{margin-top:10px}}

.intro-zones{top:135px;width:275px;pointer-events:auto;background:linear-gradient(90deg,#e8ebe2f5 65%,#e8ebe200);padding:10px 14px 12px 0;border-radius:16px}.intro-zones h1{font-size:45px;margin:20px 0}.intro-zones>p{font-size:12px}.zone-select-label{display:block;font-size:8px;letter-spacing:1px;margin:22px 0 9px;color:#608477}#zone-select,#lesson-select{width:100%;font:inherit;font-size:12px;border:1px solid #a8bba7;background:#f2f5ea;color:#285443;border-radius:10px;padding:11px 8px}#lesson-select{width:175px}.zones-toolbar{gap:8px}.zones-toolbar>button{font-size:11px;white-space:nowrap;background:none;color:#436654;border:0;border-radius:10px;padding:13px 12px}.zones-toolbar>.flight-primary{background:#244d42;color:white;padding:14px 18px}.zones-toolbar button:disabled{opacity:.4;cursor:default}.zones-toolbar [aria-pressed=true]{background:#dce9d2}.room-nav{max-width:850px}.in-zones .scene-caption{max-width:300px;text-align:right}
@media(max-width:1100px){header{flex-wrap:wrap;gap:10px}.room-nav{order:3;justify-content:center;width:100%;max-width:none;margin:0}.intro{top:165px}.scene-caption{top:150px}.intro-zones{left:24px;width:235px}.intro-zones h1{font-size:36px}}
@media(max-width:600px){header{gap:8px}.room-nav button{font-size:8px;padding:8px 5px}.intro{top:172px}.intro-zones{left:18px;width:180px}.intro-zones h1{font-size:28px;margin:12px 0}.intro-zones>.eyebrow{font-size:7px;letter-spacing:1px}.zone-select-label{margin-top:14px;font-size:7px}#zone-select{font-size:10px;padding:9px 5px}.intro-zones>p{display:block;font-size:10px}.intro-zones .flight-card{margin-top:14px;padding-top:12px}.intro-zones .flight-card p{display:none}.intro-zones #zones-caption{font-size:7px;line-height:1.6}.intro-zones h2{font-size:15px}.zones-toolbar>button{font-size:9px;padding:9px 7px}.zones-toolbar>.flight-primary{padding:11px 13px}.in-zones footer span:last-child{max-width:170px;text-align:right}#lesson-select{font-size:10px;width:140px}}
@media(max-height:760px){.intro-zones h1{font-size:29px;margin:12px 0}.intro-zones .flight-card p{display:none}.intro-zones .flight-card{margin-top:12px;padding-top:12px}.intro-zones .garden-views{margin:10px 0}}

.revision-views{margin-top:4px}

#atrium-doors{background:#e5ece0;border:1px solid #c5d3c1;border-radius:10px;padding:11px 13px;font-size:11px;color:#315b49}#atrium-doors[aria-pressed=true]{background:#d5e5da}#atrium-doors:disabled{opacity:.5;cursor:wait}.atrium-toolbar{gap:14px}
@media(max-width:600px){#atrium-doors{font-size:9px;padding:9px 10px}.atrium-toolbar{gap:8px}}

.intro-classroom .model-credit{font-size:9px;line-height:1.5;pointer-events:auto;margin-top:14px}.model-credit a{color:#477666}

.views button[data-view="climate"]{max-width:220px;white-space:normal;line-height:1.6;text-align:left}
@media(max-width:600px){.views button[data-view="climate"]{max-width:270px}.intro-atrium .enter-class{margin-top:12px}}

.catalog-credits{margin-top:24px;padding-top:18px;border-top:1px solid #cad7c5}.catalog-credits .model-credit{font-size:11px;line-height:1.7}

.garden-device-label{margin-top:14px;padding:10px 12px;border-left:2px solid #8cb6a0;color:#315e50;font-size:12px;line-height:1.55;background:#e8eee133;border-radius:0 8px 8px 0}

button.garden-device-label{width:100%;border:0;border-left:2px solid #8cb6a0;text-align:left;cursor:pointer}button.garden-device-label:hover{background:#dce9da}

#model-credits-open{border:0;padding:0;background:transparent;color:inherit;font:inherit;text-decoration:underline;cursor:pointer}#model-credits{max-width:660px}#model-credits .model-credit{font-size:13px;line-height:1.8}

/* Unified campus */
.intro-campus{top:160px;width:290px;pointer-events:auto;padding:18px 20px 22px 0;background:linear-gradient(90deg,#e8ebe2f5 50%,#e8ebe200);border-radius:16px}.intro-campus h1{font-size:49px}.intro-campus h1 em{font-size:43px}.intro-campus .views{margin-top:20px}.campus-state{display:flex;align-items:center;gap:8px;font-size:11px;color:#456b5c;min-height:30px;line-height:1.5}#campus-progress{width:220px;height:3px;accent-color:#64968c}.campus-toolbar{gap:12px}.campus-toolbar button,.campus-global button{border:1px solid #bfd0bf;border-radius:12px;background:#f6f7eeeb;color:#315a4e;padding:12px 16px;font-size:11px}.campus-toolbar .flight-primary{background:#244d42;color:#fff}.campus-global{position:absolute;right:36px;top:144px;display:flex;gap:8px}.in-campus .campus-global{top:150px}#entrance-hotspot{position:absolute;transform:translate(-50%,-50%);border:1px solid #ecf4e9;border-radius:25px;background:#27564deb;color:#fff;padding:10px 16px;font-size:11px;box-shadow:0 4px 22px #244d4225}#journey-curtain{position:fixed;inset:0;z-index:80;background:#e8ebe2;pointer-events:none;opacity:0;transition:opacity .35s}#journey-curtain.show{opacity:1;pointer-events:auto}.room-nav{max-width:1040px}.project{display:none}#school-map{max-width:820px}#school-map::backdrop{background:#173c3a55;backdrop-filter:blur(5px)}.campus-map-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin-top:24px}.campus-map-grid button{display:flex;flex-direction:column;gap:9px;text-align:left;padding:20px;border:1px solid #c4d2bd;border-radius:14px;background:#ecf0e4;color:#274d43}.campus-map-grid button:hover{background:#dce9d9}.campus-map-grid span{font-size:9px;letter-spacing:1px;color:#71907a}.campus-map-grid strong{font-size:19px;font-weight:500}.campus-map-grid small{font-size:11px;color:#64816d;line-height:1.6}.in-campus .scene-caption{top:112px}
@media(max-width:1100px){.campus-global,.in-campus .campus-global{top:165px;right:24px}.intro-campus{top:205px;left:24px}.intro-campus h1{font-size:40px}.intro-campus h1 em{font-size:34px}}
@media(max-width:600px){.intro-campus{left:18px;top:185px;width:180px;padding-top:5px}.intro-campus h1{font-size:29px;margin:12px 0}.intro-campus h1 em{font-size:27px}.intro-campus>p{display:none}.intro-campus .eyebrow{font-size:7px;line-height:1.6}.intro-campus .views{margin-top:8px}.intro-campus .views button{font-size:9px;padding:7px 0}.intro-campus .campus-state{font-size:9px}.intro-campus #campus-progress{width:140px}.intro-campus .enter-class{font-size:10px;padding:12px;margin-top:12px}.campus-global,.in-campus .campus-global{top:142px;right:12px}.campus-global button{font-size:9px;padding:9px}.campus-toolbar{max-width:95vw;gap:6px;padding:12px}.campus-toolbar button{font-size:9px;padding:9px}.campus-toolbar .toolbar-title{display:none}.campus-map-grid{grid-template-columns:1fr}#school-map{padding:20px}.in-campus .scene-caption{display:none}#entrance-hotspot{font-size:9px;padding:9px 11px}}

@media(max-width:600px){.intro-campus .views{flex-direction:column;align-items:flex-start;gap:0}}

/* Keep room controls inside the visible viewport, including embedded browsers. */
html,body{width:100%;height:100%;min-height:100dvh}
.toolbar{position:fixed;z-index:25;left:var(--visible-center,50%);bottom:calc(var(--visible-bottom,0px) + 48px + env(safe-area-inset-bottom,0px));width:max-content;max-width:calc(var(--visible-width,100vw) - 24px);min-width:0;flex-wrap:wrap;justify-content:center;white-space:normal;isolation:isolate}
.toolbar .modes{flex-wrap:wrap}.toolbar button{flex-shrink:0}
footer{position:fixed;z-index:24;bottom:calc(var(--visible-bottom,0px) + 14px + env(safe-area-inset-bottom,0px))}
@media(max-width:600px){.toolbar{width:calc(var(--visible-width,100vw) - 24px);gap:5px;padding:12px}.class-toolbar .modes{width:auto}.toolbar #lesson-select{max-width:155px}.toolbar #pause-model{border:0;padding:8px}.toolbar-title{display:none}}

#classroom-door{position:fixed;z-index:12;transform:translate(-50%,-50%);border:1px solid #eff8ec;border-radius:25px;background:#28574eeb;color:white;padding:10px 15px;font-size:11px;box-shadow:0 4px 18px #183e4326;max-width:220px}
#classroom-door:disabled{cursor:progress;opacity:.55}
#journey-status{position:fixed;z-index:35;top:105px;left:50%;transform:translateX(-50%);padding:12px 20px;border:1px solid #d8e5d3;border-radius:30px;background:#f5f8eeef;color:#315b4e;font-size:12px;max-width:70vw;text-align:center;pointer-events:none}
@media(max-width:1100px){#journey-status{top:132px}}
@media(max-width:600px){#classroom-door{font-size:9px;padding:9px 12px;max-width:155px}.campus-global{gap:4px}.campus-global button{font-size:8px;padding:8px}#journey-status{top:158px;font-size:10px;padding:10px 14px;max-width:85vw}}

/* Keep the atrium route entry reachable in normal laptop windows. */
.intro-atrium{max-height:calc(100dvh - 320px);overflow-y:auto;pointer-events:auto;scrollbar-width:thin;padding-right:8px}
.intro-atrium .views{max-width:100%}.intro-atrium>.enter-class{position:sticky;bottom:0;z-index:2;box-shadow:0 -8px 16px #e8ebe2dc}
footer{pointer-events:none}footer button,footer a{pointer-events:auto}

.intro-atrium{background:linear-gradient(90deg,#e8ebe2ee 65%,#e8ebe200);border-radius:14px}
.school-door{position:fixed;z-index:12;transform:translate(-50%,-50%);border:1px solid #eff8ec;border-radius:25px;background:#28574eeb;color:#fff;padding:10px 15px;font-size:11px;box-shadow:0 4px 18px #183e4326;max-width:220px}.school-door:disabled{cursor:progress;opacity:.55}@media(max-width:600px){.school-door{font-size:9px;padding:8px 10px;max-width:150px}}
.outdoor-entry{position:fixed;z-index:13;transform:translate(-50%,-50%);padding:11px 17px;border-radius:26px;border:1px solid #f2f8e8;background:#28574eeb;color:#fff;font-size:12px;box-shadow:0 5px 22px #173c3a24}.outdoor-entry:disabled{opacity:.5;cursor:progress}.intro-campus{max-height:calc(100dvh - 285px);overflow-y:auto;scrollbar-width:thin}.intro-campus>.enter-class{position:sticky;bottom:0;z-index:2}

/* The presentation stays on one desktop canvas; only the room sidebar scrolls. */
html,body{overflow:clip}body{position:fixed;inset:0}
.intro-garden{max-height:calc(100dvh - 265px);overflow-y:auto;scrollbar-width:thin}.intro-garden .garden-views{position:sticky;bottom:0;background:#e8ebe2f5;padding:8px 0;margin-bottom:0;z-index:2}

/* Compact atrium entrances; names appear only on hover or keyboard focus. */
.school-door,#classroom-door.school-door{width:28px;height:28px;min-width:28px;max-width:none;padding:0;border:1px solid #f1f7ed;border-radius:50%;background:#28574ee8;color:#fff;display:grid;place-items:center;font-size:23px;font-weight:400;line-height:1;box-shadow:0 2px 9px #173c3a20;overflow:visible}
.school-door-plus{display:block;line-height:1;transform:translateY(-1px);pointer-events:none}
.school-door:hover,#classroom-door.school-door:hover{background:#397366;box-shadow:0 3px 12px #173c3a30}
.school-door-hint{position:absolute;bottom:calc(100% + 9px);left:50%;transform:translate(-50%,4px);padding:8px 12px;border:1px solid #ecf3e8;border-radius:10px;background:#28574ef5;color:#fff;font-size:11px;font-weight:400;line-height:1.4;white-space:nowrap;box-shadow:0 4px 16px #173c3a20;opacity:0;visibility:hidden;pointer-events:none;transition:opacity .12s,transform .12s,visibility .12s}
.school-door:hover .school-door-hint,.school-door:focus-visible .school-door-hint{opacity:1;visibility:visible;transform:translate(-50%,0)}

/* Desktop presentation: scroll the content, keep actions in their own row. */
header{z-index:40}
.intro.intro{position:fixed;left:clamp(24px,2.5vw,48px);top:var(--sidebar-top,128px);bottom:var(--sidebar-bottom,150px);width:clamp(280px,21vw,320px);height:auto;min-height:0;max-height:none;display:flex;flex-direction:column;overflow:hidden;padding:16px;background:#e8ebe2ed;border:1px solid #f4f6ed99;border-radius:16px;pointer-events:auto;z-index:20}
.intro-scroll{flex:1 1 auto;min-height:0;min-width:0;overflow-y:auto;overflow-x:hidden;overscroll-behavior:contain;scrollbar-gutter:stable;padding:0 8px 8px 0;scrollbar-width:thin;scrollbar-color:#93ad9c transparent}
.intro-scroll:focus-visible{outline:1px solid #8ba796;outline-offset:-1px;border-radius:4px}
.intro.intro h1{font-size:40px;line-height:1.1;letter-spacing:-1.8px;margin:18px 0 16px;overflow-wrap:break-word}.intro.intro h1 em{font-size:inherit}
.intro.intro p{display:block;min-height:0;font-size:12px;line-height:1.65;margin:12px 0;overflow-wrap:anywhere}
.intro.intro .eyebrow{font-size:9px;line-height:1.65;letter-spacing:1.4px;overflow-wrap:anywhere;max-width:100%}
.intro.intro .views{width:100%;max-width:100%;display:flex;flex-direction:column;align-items:stretch;gap:2px;margin-top:18px}.intro.intro .revision-views{margin-top:2px}
.intro.intro .views button{width:100%;max-width:100%;min-width:0;text-align:left;white-space:normal;overflow-wrap:anywhere;font-size:12px;line-height:1.45;padding:9px 3px}
.intro.intro .flight-card,.intro.intro .lesson-quiz{margin-top:18px;padding-top:15px}.intro.intro .flight-card h2{font-size:18px;line-height:1.4;overflow-wrap:anywhere}.intro.intro .flight-card p{min-height:0;font-size:11px}
.intro.intro .flight-steps{display:block}.intro.intro .simulation-note{display:block;max-width:100%;line-height:1.6;font-size:10px}
.intro-actions{flex:0 0 auto;min-width:0;padding-top:12px;margin-top:4px;border-top:1px solid #c5d2c2;background:#e8ebe2}
.intro.intro .intro-actions .enter-class{position:static;width:100%;margin:0;box-shadow:none;font-size:12px;line-height:1.4;white-space:normal;padding:12px}
.intro.intro .intro-actions .garden-views{position:static;display:flex;flex-wrap:wrap;gap:6px;margin:0;padding:0;background:transparent}.intro-actions .garden-views button{min-width:0;max-width:100%;font-size:11px;line-height:1.35;white-space:normal;padding:9px 11px}
.intro.intro #zone-select{min-width:0;max-width:100%;font-size:12px}.intro.intro .zone-select-label{margin-top:16px;line-height:1.5}
.scene-caption,.in-campus .scene-caption{top:var(--caption-top,110px)}.campus-global,.in-campus .campus-global{top:var(--global-top,144px);z-index:30}
footer{z-index:24;line-height:1.5;align-items:end;gap:18px}footer span:last-child{max-width:40%;text-align:right}
.scene-hotspot,#entrance-hotspot.scene-hotspot,.outdoor-entry.scene-hotspot{position:fixed;z-index:13;width:28px;height:28px;min-width:28px;max-width:none;padding:0;display:grid;place-items:center;transform:translate(-50%,-50%);border:1px solid #eff5ec;border-radius:50%;background:#28574ee8;color:white;font-size:23px;font-weight:400;line-height:1;box-shadow:0 2px 8px #173c3a20;overflow:visible}
.scene-hotspot:hover{background:#397366}.scene-hotspot:hover .school-door-hint,.scene-hotspot:focus-visible .school-door-hint{opacity:1;visibility:visible;transform:translate(-50%,0)}

.scene-hotspot .school-door-hint,.school-door .school-door-hint{--hint-x:-50%;max-width:260px;white-space:normal;width:max-content;transform:translate(var(--hint-x),4px)}
[data-hint-side=right] .school-door-hint{left:0;--hint-x:0px}[data-hint-side=left] .school-door-hint{left:auto;right:0;--hint-x:0px}
[data-hint-below=true] .school-door-hint{top:calc(100% + 9px);bottom:auto}
.scene-hotspot:hover .school-door-hint,.scene-hotspot:focus-visible .school-door-hint,.school-door:hover .school-door-hint,.school-door:focus-visible .school-door-hint{transform:translate(var(--hint-x,-50%),0)}

/* Project-styled selectors, including the floating option menu. */
.project-select-native{display:none!important}
.project-select{position:relative;display:block;min-width:0;width:100%}.project-select[data-select-id=lesson-select]{width:175px;max-width:100%;flex:0 1 175px}
button.project-select-trigger{appearance:none;display:flex;align-items:center;justify-content:space-between;gap:14px;width:100%;min-width:0;min-height:42px;padding:11px 13px;border:1px solid #a8bba7;border-radius:12px;background:#f2f5ea;color:#285443;font:inherit;font-size:12px;line-height:1.4;text-align:left;box-shadow:0 2px 5px #284c3910;transition:background .14s,border-color .14s,box-shadow .14s}
button.project-select-trigger:hover{background:#e9f0e1;border-color:#799e86}button.project-select-trigger[aria-expanded=true]{background:#edf3e6;border-color:#658d76;box-shadow:0 0 0 3px #86a78d20}
.project-select-trigger:disabled{opacity:.45;cursor:default}.project-select-value{min-width:0;overflow-wrap:anywhere}.project-select-arrow{flex:none;width:8px;height:8px;border-right:1.6px solid #47735b;border-bottom:1.6px solid #47735b;transform:translateY(-2px) rotate(45deg);transition:transform .14s}.project-select-trigger[aria-expanded=true] .project-select-arrow{transform:translateY(2px) rotate(225deg)}
.project-select-menu{position:fixed;inset:auto;margin:0;z-index:110;box-sizing:border-box;overflow-y:auto;overscroll-behavior:contain;padding:6px;border:1px solid #bacdb7;border-radius:14px;background:#f4f6ed;color:#285443;box-shadow:0 12px 38px #173c3a28,0 3px 8px #173c3a12;font-family:Arial,Helvetica,sans-serif;scrollbar-width:thin;scrollbar-color:#a2b89e transparent}
.project-select-menu::backdrop{background:transparent;pointer-events:none}
.project-select-option{position:relative;min-height:36px;padding:9px 32px 9px 12px;border-radius:8px;font-size:12px;line-height:1.45;cursor:pointer;overflow-wrap:anywhere}
.project-select-option.is-active{background:#e0ead8;color:#234f40}.project-select-option[aria-selected=true]{background:#285747;color:#fff}.project-select-option[aria-selected=true]::after{content:'✓';position:absolute;right:12px;top:9px;font-size:13px}.project-select-option[aria-disabled=true]{opacity:.4;cursor:default}

/* One readable line above the theatre controls, outside the sidebar. */

.gallery-hotspots{position:fixed;inset:0;pointer-events:none;z-index:20}.gallery-hotspots button{position:absolute;transform:translate(-50%,-50%);pointer-events:auto;width:34px;height:34px;padding:0;display:grid;place-items:center;border-radius:50%;border:1px solid #dce9da;background:#2e6158e8;color:#f2f4e8;font-size:25px;line-height:1;box-shadow:0 3px 14px #204e4820;cursor:pointer}.gallery-hotspots button:hover,.gallery-hotspots button:focus-visible{background:#1e4d43;outline:2px solid #c0d7c3;outline-offset:3px}.gallery-hotspots button::after{content:attr(data-label);position:absolute;bottom:calc(100% + 12px);left:50%;transform:translateX(-50%) translateY(4px);width:max-content;max-width:230px;padding:10px 14px;background:#f0f2e6;color:#2c5b50;border:1px solid #bed1bc;border-radius:13px;font:500 15px/1.35 Arial,sans-serif;text-align:center;box-shadow:0 8px 28px #204e4820;opacity:0;visibility:hidden;transition:opacity .16s,transform .16s;pointer-events:none}.gallery-hotspots button:hover::after,.gallery-hotspots button:focus-visible::after{visibility:visible;opacity:1;transform:translateX(-50%) translateY(0)}

.core-readout{position:fixed;z-index:8;left:max(390px,29vw);right:40px;bottom:145px;width:fit-content;max-width:calc(70vw - 60px);margin:0 auto;padding:12px 22px;border:1px solid #c2d3c2;border-radius:20px;background:#f5f6eced;color:#234f45;font-size:15px;line-height:1.5;pointer-events:none}

/* Mathematical plan is a lightweight, independent desktop overlay. */
#math-plan{width:min(1480px,calc(100vw - 48px));max-width:none;height:calc(100dvh - 48px);max-height:none;margin:auto;padding:0;border:1px solid #c2d1bb;border-radius:24px;background:#f3f5eb;color:#214c43;overflow:hidden;box-shadow:0 20px 70px #193d4130}
#math-plan::backdrop{background:#213f3e66}
.math-plan-head{padding:24px 30px 20px;border-bottom:1px solid #d6dfcf;display:flex;justify-content:space-between;gap:24px;align-items:flex-start;height:126px}
.math-plan-head .eyebrow{font-size:11px;letter-spacing:2px;margin:0 0 8px;color:#648575}
.math-plan-head h2{font:500 30px/1.15 Arial,sans-serif;letter-spacing:-1px;margin:0 0 8px}
.math-plan-head p{font-size:12px;line-height:1.45;margin:0;color:#647b69}
#math-plan-close{width:38px;height:38px;flex-shrink:0;display:grid;place-items:center;background:#e7edde;border:1px solid #c5d3bd;border-radius:50%;font-size:18px;color:#315e50}
.math-plan-body{height:calc(100% - 126px);display:grid;grid-template-columns:minmax(0,1fr) 330px;min-height:0}
.math-plan-map{display:flex;flex-direction:column;min-width:0;min-height:0;padding:20px 26px 22px;background:#eef2e6}
.math-plan-objects{display:flex;flex-wrap:wrap;gap:6px;flex-shrink:0}
.math-plan-objects button{border:1px solid #beceb5;background:#f7f8f0;color:#416c58;border-radius:20px;padding:8px 12px;font-size:12px;line-height:1.3}
.math-plan-objects button.active{background:#244f43;color:#f6f8ec;border-color:#244f43}
.math-plan-map svg{display:block;width:100%;flex:1;min-height:200px;font:500 2.8px Arial,sans-serif;color:#31594c;overflow:visible}
.math-plan-map svg text{fill:#31594c;pointer-events:none}
.math-fence{fill:none;stroke:#7f9c79;stroke-width:.4;stroke-dasharray:1.2 .8}
.math-shape{stroke:#83a087;stroke-width:.35;transition:fill .15s,stroke .15s}
.garden-shape{fill:#a9c7ad}.academy-shape{fill:#d3e2d8}.school-shape{fill:#e4d6b7}.hangar-shape{fill:#a4c0ba}
.math-object{cursor:pointer;outline:none}
.math-object:hover .math-shape{stroke:#396e56;stroke-width:.7}
.math-object.active .math-shape,.math-object:focus-visible .math-shape{stroke:#285f4f;stroke-width:.9;fill:#b7d3be}
.math-object[data-object=school].active .math-shape{fill:#e0cba3}
.math-school-part{fill:none;stroke:#b79e72;stroke-width:.2;stroke-dasharray:.8 .6;pointer-events:none}
.math-block{font-size:3px;font-weight:600;fill:#8f7954!important}
.math-launch{fill:none;stroke:#7a9e92;stroke-width:.3;pointer-events:none}
.math-beds{fill:none;stroke:#658e6f;stroke-width:1.4;pointer-events:none}
.math-caption{font-size:2px;letter-spacing:.2px;fill:#6c8b6e!important}
.math-road{fill:none;stroke:#aab6ac;stroke-width:3.5}
.math-scale path{fill:none;stroke:#608369;stroke-width:.35}.math-scale text{font-size:1.8px}
.math-dimension path{fill:none;stroke:#315d4e;stroke-width:.3}
.math-dimension text{font-size:3.2px;font-weight:600;paint-order:stroke;stroke:#eef2e6;stroke-width:1.2px;stroke-linejoin:round}
.math-map-caption{display:flex;justify-content:space-between;gap:12px;color:#748b73;font-size:11px;line-height:1.4;margin:2px 0 18px}
.math-area-bar{display:flex;height:12px;overflow:hidden;border-radius:10px;margin-bottom:12px}
.math-area-bar span{display:block}.buildings{background:#c7ae7d}.paving{background:#8fafa5}.green{background:#96b57c}
.math-area-legend{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;color:#5b775f;font-size:11px;line-height:1.5}
.math-area-legend i{width:8px;height:8px;border-radius:50%;display:inline-block;margin-right:5px}
.math-area-legend strong{display:block;font-size:13px;color:#315d4a;font-weight:500;margin-left:13px}
.math-calculations{min-height:0;overflow-y:auto;padding:24px;border-left:1px solid #d6dfcf;scrollbar-width:thin;scrollbar-color:#bdceb4 transparent}
.math-calculations>.eyebrow{font-size:10px;letter-spacing:1.6px;margin:0 0 10px;color:#749176}
.math-calculations h3{font-size:25px;line-height:1.15;font-weight:500;letter-spacing:-.5px;margin:0 0 20px}
.math-formula{padding:0 0 15px;margin:0 0 15px;border-bottom:1px solid #d8e1d0}
.math-formula>span{font-size:12px;color:#6b856b}.math-formula p{font-size:14px;line-height:1.5;margin:7px 0 5px;color:#547259}
.math-formula strong{font-size:24px;line-height:1.3;font-weight:500;color:#285944}
.math-explanation{font-size:12px;line-height:1.6;color:#71836c;margin:12px 0 18px}
.math-parts{font-size:13px;line-height:1.7;color:#567653;margin:10px 0 20px}.math-parts span{display:block}.math-parts b{font-weight:500;color:#315b46}
.math-coverage{padding:17px;border-radius:16px;background:#e4eddb;margin:22px 0}
.math-coverage>span{font-size:12px;display:block;color:#577350}.math-coverage strong{font-size:32px;font-weight:500;display:block;margin:6px 0;color:#2a5a42}.math-coverage p{font-size:12px;line-height:1.5;margin:0;color:#6b805e}
.math-assumptions{font-size:12px;line-height:1.6;color:#71816a}.math-assumptions summary{cursor:pointer;color:#436b50;font-size:12px}.math-assumptions p{margin:12px 0}

.math-plan-head>div:first-child{min-width:0;flex:1}
.math-section-tabs{display:flex;align-self:center;gap:4px;padding:4px;border:1px solid #c7d6c0;border-radius:24px;background:#e9efdf;flex-shrink:0}
.math-section-tabs button{border:0;border-radius:20px;padding:10px 14px;font-size:12px;color:#527455;background:transparent;white-space:nowrap}
.math-section-tabs button[aria-selected=true]{color:#f7f8ee;background:#285444}
.math-economy-body{height:calc(100% - 126px);display:grid;grid-template-columns:330px minmax(0,1fr);min-height:0}
.economy-inputs{overflow-y:auto;min-height:0;padding:22px 24px;background:#eaf0e1;border-right:1px solid #d0ddc7;scrollbar-width:thin;scrollbar-color:#b2c7a6 transparent}
.economy-input-title{display:flex;align-items:center;justify-content:space-between;gap:12px}
.economy-input-title h3{font-size:20px;font-weight:500;margin:0;color:#2b5745}
#economy-reset{background:#f4f6eb;border:1px solid #c3d2b9;color:#51754f;border-radius:16px;font-size:11px;padding:7px 10px}
.economy-input-hint{color:#7a8d70;font-size:11px;line-height:1.6;margin:10px 0 20px}
.economy-inputs fieldset{border:0;border-top:1px solid #d0ddc6;padding:16px 0 0;margin:18px 0 0;min-width:0}
.economy-inputs legend{font-size:11px;letter-spacing:.8px;color:#5d805b;padding:0 8px 0 0}
.economy-field{margin:0 0 15px}.economy-field label{display:flex;justify-content:space-between;gap:9px;align-items:baseline;font-size:12px;line-height:1.5;color:#456b4b;margin-bottom:5px}
.economy-field label span{flex-shrink:0;color:#819276;font-size:10px}
.economy-field-controls{display:grid;grid-template-columns:minmax(0,1fr) 82px;align-items:center;gap:14px}
.economy-field input[type=range]{width:100%;margin:0;accent-color:#4e8061;cursor:pointer}
.economy-field input[type=text]{width:100%;padding:8px 9px;text-align:right;background:#f8f9f0;border:1px solid #c2d2b7;border-radius:9px;color:#315a40;font:500 14px Arial,sans-serif}
.economy-field input[aria-invalid=true]{border-color:#ad6650;background:#fff1e7}
.economy-field-error{display:block;font-size:10px;line-height:1.5;color:#9c5c49;margin-top:4px}
.economy-more{margin-top:15px;color:#5b7a56;font-size:12px;line-height:1.5}.economy-more summary{cursor:pointer;margin-bottom:16px}
.economy-results{overflow-y:auto;min-height:0;padding:24px 28px 28px;scrollbar-width:thin;scrollbar-color:#b9cbb0 transparent}
.economy-results-heading{display:flex;justify-content:space-between;align-items:flex-start;gap:18px;margin-bottom:20px}
.economy-results-heading .eyebrow{font-size:10px;letter-spacing:1.4px;margin:0 0 9px;color:#77936d}
.economy-results-heading h3{font-size:23px;font-weight:500;letter-spacing:-.5px;margin:0;color:#285440}
.economy-presets{display:flex;flex-wrap:wrap;gap:5px;justify-content:flex-end;max-width:310px}
.economy-presets button{font-size:10px;line-height:1.4;border:1px solid #c6d5bd;background:#f8f9ef;color:#66865d;padding:7px 10px;border-radius:16px}
.economy-summary{display:grid;grid-template-columns:1fr 1fr .82fr;gap:12px;margin:0 0 26px}
.economy-mode,.economy-savings{text-align:left;border:1px solid #d0ddc7;background:#eef2e6;border-radius:16px;padding:17px 16px;min-width:0;color:#426945}
.economy-mode{cursor:pointer}.economy-mode.active{background:#e0ecd8;border-color:#63956d;box-shadow:inset 0 0 0 1px #63956d}
.economy-mode>span,.economy-savings>span{display:block;font-size:12px;line-height:1.5;color:#6b8662}
.economy-mode strong,.economy-savings strong{display:block;font-size:clamp(23px,2.1vw,32px);font-weight:500;letter-spacing:-.6px;margin:9px 0 5px;white-space:nowrap}
.economy-mode small,.economy-savings small{display:block;font-size:11px;line-height:1.4;color:#7e9173}
.economy-mode i{display:block;height:5px;background:#d7e1ce;border-radius:5px;margin-top:14px;overflow:hidden}.economy-mode i b{display:block;height:100%;background:#9eb899}.economy-mode.active i b{background:#5d8f66}
.economy-savings{background:#285747;color:#f1f6e7;border-color:#285747}.economy-savings>span{color:#b4cbb0}.economy-savings small{color:#cbdfc1}
.economy-table-head{display:flex;justify-content:space-between;align-items:baseline;gap:14px;margin:0 0 12px}.economy-table-head h4{font-size:16px;font-weight:500;margin:0;color:#3e6849}.economy-table-head>span{font-size:10px;color:#8a9b80;max-width:210px;text-align:right;line-height:1.4}
.economy-table{width:100%;border-collapse:collapse;font-size:12px;color:#5a7957;line-height:1.5}
.economy-table th,.economy-table td{padding:11px 8px;border-bottom:1px solid #d7e1cd;text-align:left;font-weight:400}
.economy-table thead th{font-size:10px;text-transform:uppercase;letter-spacing:.8px;color:#8b9e7b;padding-top:0}
.economy-table td:last-child,.economy-table th:last-child{text-align:right;white-space:nowrap;color:#355f40}
.economy-table th:first-child{padding-left:0}.economy-table tfoot th,.economy-table tfoot td{font-weight:500;padding-top:14px;font-size:15px;border:0;color:#2f593f}
.economy-dot{display:inline-block;width:7px;height:7px;border-radius:50%;margin-right:7px;vertical-align:middle}
.economy-dot.electricity,.economy-composition .electricity{background:#91b894}.economy-dot.water,.economy-composition .water{background:#9bc6c1}.economy-dot.meals,.economy-composition .meals{background:#d4bb86}.economy-dot.materials,.economy-composition .materials{background:#b9c49c}.economy-dot.staff,.economy-composition .staff{background:#7e9b89}.economy-dot.maintenance,.economy-composition .maintenance{background:#b6a695}
#economy-composition-bar{display:flex;height:9px;border-radius:8px;overflow:hidden;background:#e0e7d5;margin:8px 0 10px}#economy-composition-bar span{display:block}
.economy-composition p{font-size:11px;line-height:1.5;color:#7c9070;margin:0 0 20px}
.economy-explanations{display:grid;grid-template-columns:1fr 1fr;gap:16px;border-top:1px solid #d6e0cc;padding-top:16px}
.economy-explanations article>span{color:#557c53;font-size:12px}.economy-explanations p{font-size:11px;color:#839578;line-height:1.65;margin:7px 0 16px}
.economy-limits{font-size:11px;line-height:1.65;color:#819473}.economy-limits summary{cursor:pointer;color:#557a51}.economy-limits p{margin:10px 0}
#economy-validation{padding:10px 12px;border-radius:10px;background:#f6e7d7;border:1px solid #dcbda0;color:#956047;font-size:12px;line-height:1.5}
.economy-sr{position:absolute;width:1px;height:1px;padding:0;overflow:hidden;clip-path:inset(50%);white-space:nowrap}

.economy-scope{font-size:11px;line-height:1.5;color:#819473;margin:-8px 0 15px}
.worksheet-tools{height:60px;box-sizing:border-box;display:flex;align-items:center;gap:12px;padding:8px 24px;border-top:1px solid #d1dbce;border-bottom:1px solid #d1dbce;background:#f1f4eb;font-size:14px;color:#355d50}
.worksheet-tools button,.worksheet-actions button{border:1px solid #b9cbb8;background:#f8f9f2;color:#254f43;border-radius:12px;padding:10px 15px;font:inherit;cursor:pointer}
.worksheet-tools button:hover,.worksheet-actions button:hover{background:#e0e9da}
#worksheet-status{color:#954b35}#math-plan .math-plan-body,#math-plan .math-economy-body{height:calc(100% - 186px)}
.worksheet-panel{height:calc(100% - 186px);overflow:auto;padding:24px;box-sizing:border-box;background:#f1f3eb;color:#204c42}
.worksheet-heading{display:flex;align-items:flex-start;justify-content:space-between;gap:20px;border-bottom:1px solid #ccd8c8;padding-bottom:18px}.worksheet-heading h3{font-size:26px;margin:8px 0}.worksheet-heading p{font-size:14px;line-height:1.5;max-width:620px;margin:0}.worksheet-actions{display:flex;flex-wrap:wrap;gap:8px;max-width:370px;flex-shrink:0}.worksheet-actions .primary{background:#214e40;color:white}
.worksheet-content{display:grid;grid-template-columns:minmax(300px,.9fr) minmax(400px,1.2fr);gap:28px;padding-top:20px}.worksheet-content p{font-size:15px;line-height:1.6}.worksheet-content img{width:100%;background:white;border:1px solid #d4ded0;border-radius:12px}.worksheet-content table{width:100%;border-collapse:collapse;font-size:14px}.worksheet-content caption{text-align:left;font-weight:600;padding:12px 0}.worksheet-content th,.worksheet-content td{border:1px solid #cbd7c7;padding:10px;text-align:left;font-weight:400;line-height:1.5}.worksheet-content th{background:#e2e9da;width:40%}.worksheet-questions article{background:#fbfcf5;border:1px solid #d4dece;border-radius:16px;padding:18px;margin-bottom:14px}.worksheet-questions h4{font-size:19px;margin:0}.worksheet-questions p{margin:10px 0}.worksheet-paper{font-size:12px;color:#678174}.worksheet-solution{padding:10px 0;font-size:15px}.worksheet-solution summary{cursor:pointer;font-weight:600}.worksheet-solution li{padding:5px 0;line-height:1.5}.worksheet-solution strong{display:block;padding-top:8px}

.worksheet-task-table{margin:14px 0 16px;table-layout:fixed}.worksheet-task-table th:first-child{width:24%}.worksheet-task-table th:nth-child(2){width:56%}.worksheet-task-table th:last-child{width:20%}.worksheet-task-table thead th{font-weight:600}.worksheet-task-table td{overflow-wrap:anywhere}
#math-survey-panel{height:calc(100% - 126px);overflow:auto;padding:24px 28px;background:#edf2e7;scrollbar-width:thin}.survey-top{display:flex;justify-content:space-between;gap:20px;align-items:center}.survey-top h3{font-size:28px;font-weight:500;letter-spacing:-.7px;margin:8px 0}.survey-top p{font-size:13px;max-width:730px;margin:0}.survey-progress{background:#dbe6d3;border:1px solid #c3d5b9;border-radius:24px;padding:12px 18px;white-space:nowrap;font-size:13px;color:#567451}.survey-questions{display:grid;grid-template-columns:repeat(5,1fr);gap:8px;margin:22px 0}.survey-questions button{display:flex;flex-direction:column;align-items:flex-start;gap:8px;padding:12px 16px;font-size:11px;letter-spacing:.8px;border:1px solid #c6d5bf;border-radius:13px;background:#f6f8f0;color:#658162}.survey-questions button span{font-size:17px;letter-spacing:1px;color:#799475}.survey-questions button[aria-pressed=true]{background:#254f43;color:#fff;border-color:#254f43}.survey-questions button[aria-pressed=true] span{color:#bfd9c1}.survey-layout{display:grid;grid-template-columns:minmax(330px,.86fr) minmax(400px,1.14fr);gap:22px;align-items:start}.survey-ballot,.survey-stage{border:1px solid #d1ddc8;background:#f9faf3;border-radius:20px;padding:24px;min-width:0}.survey-ballot h4,.survey-stage h4{font-size:25px;font-weight:500;letter-spacing:-.5px;margin:9px 0 12px}.survey-ballot p,.survey-stage p{font-size:14px;line-height:1.6}.survey-people{display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid #dbe3d3;padding:7px 0 16px;margin-bottom:14px;font-size:14px}.survey-ballot input{width:75px;font:500 20px Arial;text-align:center;border:1px solid #b9cbb0;background:#fffdf7;border-radius:10px;color:#315a43;padding:10px 4px}.survey-ballot input::placeholder{font-size:11px;font-weight:400;color:#8c9d84}.survey-ballot input:disabled{opacity:1;background:#e8eee0;color:#54704e}.survey-ballot input[aria-invalid=true]{border-color:#b9624b;background:#fff0e6}.survey-answer{display:grid;grid-template-columns:30px minmax(0,1fr) 75px;gap:12px;align-items:center;padding:11px 0;font-size:14px;line-height:1.5;border-bottom:1px solid #e0e7d9}.survey-letter{display:grid;place-items:center;width:28px;height:28px;background:var(--answer-color);color:#fff;border-radius:9px;font-size:13px}.survey-controls{display:flex;gap:8px;flex-wrap:wrap;margin-top:16px}.survey-controls button,.survey-primary{background:#eef3e5;border:1px solid #b8cdae;border-radius:12px;padding:12px 18px;color:#3e634c;font:inherit;font-size:14px}.survey-primary,.survey-controls .survey-primary{background:#254f43;color:#fff;border-color:#254f43}.survey-primary:disabled{opacity:.4;cursor:default}#survey-count-status{font-size:12px;line-height:1.65;color:#8c775c;margin-top:12px}#survey-count-status.survey-valid{color:#487548}.survey-ballot .survey-storage{font-size:11px;color:#829178;margin:18px 0 0}.survey-await{text-align:center;padding:22px 24px}.survey-await p{max-width:390px;margin:10px auto}.survey-await ol{text-align:left;max-width:300px;margin:20px auto;color:#64835e;font-size:14px;line-height:2}.survey-orbit{width:200px;height:200px;border:1px dashed #b8cbb0;border-radius:50%;position:relative;margin:0 auto 28px;display:grid;place-items:center;box-shadow:0 0 0 20px #ecf1e5,0 0 0 21px #dce6d4}.survey-orbit b{font:500 80px Georgia;color:#9db28f}.survey-orbit span{position:absolute;display:grid;place-items:center;width:40px;height:40px;border-radius:50%;color:white;background:#568f80;box-shadow:0 5px 16px #354f3b1a}.survey-orbit span:nth-child(1){top:-20px;left:80px}.survey-orbit span:nth-child(2){right:-20px;top:80px;background:#83b3c5}.survey-orbit span:nth-child(3){bottom:-20px;left:80px;background:#d3aa66}.survey-orbit span:nth-child(4){left:-20px;top:80px;background:#a58db8}.survey-stage-label{font-size:10px;letter-spacing:1.6px;color:#7c9673}.survey-tasks{padding-left:22px;font-size:15px;line-height:1.65;color:#496b50}.survey-tasks li{padding:6px 0}.survey-no-answers{border:1px dashed #c3d1b8;border-radius:12px;background:#edf2e5;padding:14px;margin:20px 0;color:#7b8e70;font-size:13px;line-height:1.6}.survey-chart{display:grid;grid-template-columns:minmax(170px,.85fr) 1fr;gap:14px;align-items:center;border-top:1px solid #d4dfca;margin-top:22px;padding-top:16px}.survey-ring{width:100%;max-width:320px}.survey-ring path{transition:opacity .2s}.survey-ring path:hover{opacity:.7}.survey-ring-number{fill:#2e5542;font:500 42px Arial}.survey-ring-caption{fill:#7b9470;font:10px Arial;letter-spacing:2px}.survey-insight strong{font-size:20px;line-height:1.4;display:block;margin-top:10px;font-weight:500}.survey-insight p{font-size:12px}.survey-result-table{border-collapse:collapse;width:100%;font-size:12px;margin-top:12px}.survey-result-table caption{text-align:left;padding:12px 0;font-size:14px}.survey-result-table th,.survey-result-table td{border-bottom:1px solid #d7e2cd;padding:11px 5px;text-align:right;font-weight:400}.survey-result-table th:first-child{text-align:left;width:48%;line-height:1.5}.survey-result-table i{display:inline-block;width:8px;height:8px;border-radius:50%;margin-right:6px}.survey-stage .survey-rounding{font-size:11px;color:#8a9a7f}.survey-conclusion{border-left:3px solid #8eae7b;padding-left:13px}

.survey-ring{animation:survey-reveal .3s ease-out}@keyframes survey-reveal{from{opacity:0;transform:scale(.96)}to{opacity:1;transform:scale(1)}}@media(prefers-reduced-motion:reduce){.survey-ring{animation:none}}

.proteika-brand{display:block;width:156px;height:52px;object-fit:contain;mix-blend-mode:multiply}.brand{min-width:156px}

.brand{gap:8px;min-width:156px}.proteika-mark{display:block;width:38px;height:38px;flex-shrink:0}.proteika-wordmark{color:#254f51;font:600 14px Arial,sans-serif;letter-spacing:1.1px}

/* Lesson worksheets: desktop presentation, independent modal scroll regions. */
.lesson-task-launch{display:flex;flex-direction:column;gap:8px;margin:20px 0}.lesson-task-launch button,.lesson-space-task{padding:13px 16px;border:1px solid #b8cdb6;border-radius:12px;background:#245347;color:#fff;font:inherit;font-size:14px;text-align:left}.lesson-space-task{width:100%;margin-top:12px}.class-toolbar label{font-size:13px;color:#507469}
.intro.intro-wind h1{font-size:40px}.intro.intro-wind .flight-counter{flex-direction:column;align-items:flex-start;gap:9px}.intro.intro-wind .flight-counter span{font-size:15px;letter-spacing:1px}.intro.intro-wind #wind-height{font-size:36px}
#lesson-tasks{width:min(1320px,calc(100vw - 48px));height:calc(100dvh - 48px);max-height:none;max-width:none;padding:0;border:1px solid #bfd0b9;border-radius:24px;background:#f4f6ed;color:#244f45;box-shadow:0 24px 90px #173c3a40;overflow:hidden}
#lesson-tasks::backdrop{background:#173c3a75;backdrop-filter:blur(5px)}
.lesson-task-header{position:static;box-sizing:border-box;display:flex;justify-content:space-between;align-items:center;padding:22px 30px;border-bottom:1px solid #d1dec9;height:106px;width:100%;gap:20px;background:#f4f6ed}.lesson-task-header h2{font-size:29px;line-height:1.2;letter-spacing:-.7px;margin:9px 0 0;font-weight:500}.lesson-task-header .eyebrow{font-size:10px;letter-spacing:2px}.lesson-task-header button{width:42px;height:42px;flex:none;border:1px solid #c8d8be;border-radius:50%;background:#e8efdf;font-size:30px;color:#446a58;padding:0}
.lesson-task-body{height:calc(100% - 106px);display:grid;grid-template-columns:minmax(300px,.85fr) minmax(430px,1.15fr);overflow:auto;scrollbar-width:thin}.lesson-task-data{padding:28px 32px;background:#eaf0e3;border-right:1px solid #d2dfc8}.lesson-task-body p{font-size:15px;line-height:1.7;margin:16px 0}.lesson-task-data dl{margin:24px 0}.lesson-task-data dl div{display:flex;justify-content:space-between;gap:16px;padding:13px 0;border-bottom:1px solid #cedcc3;font-size:14px}.lesson-task-data dd{font-weight:600;margin:0;text-align:right}.lesson-task-body .lesson-task-note{font-size:12px;line-height:1.65;color:#647d64}.lesson-task-data a{font-size:12px;color:#386e66}.lesson-task-work{padding:22px 28px}.lesson-task-work .lesson-task-instruction{font-size:13px;margin:0 0 18px;color:#617e69}.lesson-question{padding:18px 22px;background:#fffef7;border:1px solid #d2dec9;border-radius:17px;margin-bottom:12px}.lesson-question h3{font-size:17px;font-weight:500;line-height:1.5;margin:0 0 15px}.lesson-question label{font-size:12px;display:inline-block;min-width:110px;margin-right:12px;color:#607e68}.lesson-question input,.lesson-water-prepare input{width:155px;box-sizing:border-box;padding:10px 12px;font:500 19px Arial;color:#244f45;background:#f2f6e9;border:1px solid #b8cdb1;border-radius:9px}.lesson-question input[aria-invalid=true]{border-color:#b9856c}.lesson-question .lesson-answer-feedback{font-size:12px;margin:10px 0;color:#58764f}.lesson-question details{border-top:1px solid #dce5d4;padding-top:12px;margin-top:10px;font-size:13px}.lesson-question summary{cursor:pointer;font-weight:600}.lesson-question details p{font-size:14px}.lesson-check-row{display:flex;align-items:center;gap:16px}.lesson-check-row p{font-size:12px}.lesson-primary,#lesson-tasks [data-change-mass]{padding:13px 20px;border:1px solid #b8cdb6;border-radius:11px;background:#245347;color:#fff;font:inherit;font-size:14px}.lesson-donut{width:190px;height:190px;display:grid;place-items:center;margin:8px auto 24px;border-radius:50%;background:conic-gradient(#70a9b7 0 var(--portion),#b7c894 var(--portion) 100%);box-shadow:0 0 0 10px #f5f7ee}.lesson-donut span{width:136px;height:136px;display:flex;align-items:center;justify-content:center;flex-direction:column;border-radius:50%;background:#eaf0e3;font-size:13px;gap:5px}.lesson-donut b{font-size:42px;font-weight:500}.lesson-legend{display:flex;justify-content:center;gap:16px;font-size:11px;color:#4c776e}.lesson-emblem{min-height:160px;display:flex;flex-direction:column;justify-content:center;align-items:center;border:1px solid #bad0b4;border-radius:22px;margin-bottom:24px;background:radial-gradient(ellipse,#f4f8ed,#dce8d5);gap:14px}.lesson-emblem span{font-size:12px;letter-spacing:2px;text-transform:uppercase}.lesson-emblem b{font-size:42px;font-weight:500}.lesson-emblem small{font-size:11px}.lesson-water-prepare{grid-column:1/-1;max-width:550px;text-align:center;margin:auto;padding:35px}.lesson-water-prepare h3{font-size:28px;font-weight:500}.lesson-water-prepare label{margin-right:15px}.lesson-water-prepare form button{display:block;margin:20px auto}.lesson-water-prepare small{font-size:12px;line-height:1.6;color:#6e8569}#lesson-tasks [hidden]{display:none!important}
#caption:empty{display:none}
.wind-toolbar:has(#wind-start[hidden]){display:none}

/* Desktop grouped navigation: one row of three menus, with local destinations. */
header .room-nav{width:auto;max-width:none;order:initial;margin-left:auto;justify-content:flex-end;flex-wrap:nowrap;gap:5px;padding:5px;border-radius:12px;background:#f4f6eced}
header .room-nav .school-nav-trigger{display:flex;align-items:center;gap:15px;min-height:43px;padding:11px 20px;border-radius:12px;font-size:13px;white-space:nowrap;color:#31574b;background:transparent}
header .room-nav .school-nav-trigger.active{color:#fff;background:#244f43}.school-nav-trigger i{width:7px;height:7px;display:block;border-right:1.5px solid currentColor;border-bottom:1.5px solid currentColor;transform:translateY(-2px) rotate(45deg)}.school-nav-trigger[aria-expanded=true] i{transform:translateY(2px) rotate(225deg)}
.school-nav-menu{position:fixed;z-index:105;box-sizing:border-box;padding:12px;background:#f3f6eb;border:1px solid #bdd0b5;border-radius:20px;box-shadow:0 15px 45px #173c3a30;overflow-y:auto;overscroll-behavior:contain;scrollbar-width:thin;scrollbar-color:#a4bea0 transparent;color:#285247}.school-nav-menu[hidden]{display:none}.school-nav-section h2{margin:6px 12px 8px;font:600 10px/1.5 Arial;letter-spacing:1.6px;text-transform:uppercase;color:#6c8b75}.school-nav-section+.school-nav-section{border-top:1px solid #d5e0ce;margin-top:10px;padding-top:10px}.school-nav-section ul{list-style:none;padding:0;margin:0;display:grid;gap:4px}.school-nav-menu button{box-sizing:border-box;width:100%;padding:11px 14px;border:0;border-radius:11px;background:transparent;color:#2d5749;font:14px/1.4 Arial;text-align:left;cursor:pointer}.school-nav-menu button small{display:block;font-size:11px;color:#78917b;margin-top:4px}.school-nav-menu button:hover,.school-nav-menu button:focus-visible{background:#e2ecd9;outline:2px solid #9cb795;outline-offset:-2px}.school-nav-menu button.active{background:#285747;color:#fff}.school-nav-menu button.active small{color:#d2e3cb}.school-nav-spaces .school-nav-section:nth-child(2) ul{grid-template-columns:repeat(2,minmax(0,1fr))}.school-nav-spaces .school-nav-section:first-child ul{grid-template-columns:repeat(3,minmax(0,1fr))}.school-nav-spaces .school-nav-section:first-child button{font-size:12px}

/* Subject selection belongs to the classroom sidebar, below its task button. */
.intro-classroom .lesson-picker{position:static;display:block;min-width:0;width:100%;box-sizing:border-box;margin:0 0 20px;padding:0;background:none;border:0;border-radius:0;box-shadow:none;transform:none}
.intro-classroom .lesson-picker label{display:block;font-size:12px;line-height:1.5;color:#507469;margin:0 0 8px}
.intro-classroom .lesson-picker .project-select[data-select-id=lesson-select]{width:100%;max-width:100%;flex:none}
.intro-classroom .lesson-picker #lesson-select{width:100%;max-width:100%}

/* Project palette for native form controls, including active answer fields. */
input,textarea,select{accent-color:#285747;caret-color:#285747}
input:focus,textarea:focus,select:focus{outline:2px solid #6d9587;outline-offset:2px}

/* Review 4: room names and compact shared presentation. */
.intro .intro-scroll>.eyebrow,.intro .zone-select-label,.intro #zones-caption,.scene-caption,footer{display:none!important}
.proteika-wordmark{display:flex;flex-direction:column;gap:3px;line-height:1.1}
.proteika-wordmark small{font:600 9px Arial,sans-serif;letter-spacing:2.1px;color:#608477}
.intro.intro-atrium{bottom:auto;height:max-content;max-height:calc(100dvh - var(--sidebar-top,128px) - var(--sidebar-bottom,150px))}

/* Campus review: greeting, clear nearby entrance and reserved information marks. */
.intro.intro .campus-welcome{font-size:14px;font-weight:600;color:#537b65;margin:-3px 0 16px}
#entrance-hotspot.scene-hotspot.entrance-label{width:max-content;max-width:none;height:auto;min-height:40px;padding:11px 17px;border-radius:14px;font-size:13px;font-weight:600;white-space:nowrap;box-shadow:0 5px 20px #173c3a33}
#entrance-hotspot.entrance-label .school-door-hint{display:none}
.scene-hotspot.energy-hotspot{background:#f2f5e9ed;border:1px solid #71977e;color:#315e4b;font-size:19px;font-weight:600;box-shadow:0 2px 8px #173c3a20;cursor:default;pointer-events:none}

/* Space review: primary controls remain visible in the left panel. */
.intro.intro .space-primary-actions{display:flex;flex-direction:column;width:100%;gap:8px}
.intro.intro .space-primary-actions button{width:100%;margin:0;text-align:center;font-size:12px;padding:12px;border-radius:11px}
.intro.intro .space-primary-actions #space-start{background:#245347;color:#fff;border:1px solid #245347}
.intro.intro .space-primary-actions #space-start:disabled{opacity:.5;cursor:default}
.intro.intro .space-primary-actions .lesson-space-task{background:#e0ead6;color:#244f3e;border:1px solid #84a17b;font-weight:600}
.intro.intro-space h1{font-size:32px;letter-spacing:-1.2px;line-height:1.15;overflow-wrap:normal}

/* Keep room tasks visible above the camera controls on shorter desktop screens. */
.intro-actions .zone-task-launch{margin:0 0 10px;flex-shrink:0}
.intro-actions .zone-task-launch button{width:100%;font-size:12px;line-height:1.4;padding:11px 12px}

/* Review 5 shared interface: compact panels and readable, nearby controls. */
.intro.intro{bottom:auto;height:auto;max-height:calc(100dvh - var(--sidebar-top,120px) - var(--sidebar-bottom,72px))}
.intro-scroll{flex:0 1 auto}
.intro.intro p{font-size:14px;line-height:1.55}
.intro.intro .flight-card p{font-size:14px}
.intro.intro .views button,.intro-actions .garden-views button{font-size:13px;line-height:1.4}
.intro.intro .intro-actions .garden-views button{font-size:13px}
.intro.intro .intro-actions{background:transparent}
.intro.intro .sidebar-toolbar{position:static;transform:none;display:flex;flex-wrap:wrap;gap:6px;width:100%;padding:0;margin:0 0 12px;border:0;border-radius:0;background:transparent;box-shadow:none;white-space:normal}
.intro.intro .sidebar-toolbar button{flex:1 1 100px;min-width:0;padding:10px 11px;border:1px solid #b3c6b2;border-radius:10px;background:#f0f3e7;color:#426952;font-size:13px;line-height:1.35;white-space:normal}
.intro.intro .sidebar-toolbar .flight-primary{flex-basis:100%;background:#245347;border-color:#245347;color:#fff;font-weight:600}
.intro.intro .sidebar-toolbar button:disabled{opacity:.45;cursor:default}
.intro.intro .sidebar-toolbar button.active{background:#dce9d2}
.intro.intro .intro-actions .space-primary-actions button,.intro-actions .zone-task-launch button{font-size:13px}
.proteika-wordmark small{font-size:9px;letter-spacing:1.35px}
.school-nav-spaces .school-nav-section:first-child ul{grid-template-columns:repeat(2,minmax(0,1fr))}
.school-nav-spaces .school-nav-section:first-child button{font-size:14px}
.intro-zones .flight-card,.intro-zones .simulation-note{display:none!important}
/* Long control lists must not squeeze the room name out of view. */
.intro-scroll{min-height:min(210px,30vh)}
.intro.intro .intro-actions{flex:0 1 auto;min-height:0;overflow-y:auto;overscroll-behavior:contain;scrollbar-width:thin;scrollbar-color:#93ad9c transparent;padding-right:4px}

/* Compact, independent answer reveals for the review 5 lesson activities. */
#lesson-tasks.lesson-simple{width:min(880px,calc(100vw - 64px));height:fit-content;max-height:calc(100dvh - 64px)}
.lesson-simple .lesson-task-header{height:auto;min-height:86px;padding:20px 28px;align-items:flex-start}
.lesson-simple .lesson-task-header .eyebrow{display:none}
.lesson-simple .lesson-task-header h2{font-size:30px;margin:4px 0;line-height:1.25}
.lesson-simple .lesson-task-body{display:block;height:auto;max-height:calc(100dvh - 164px);overflow:auto;padding:8px 28px 26px;box-sizing:border-box}
.lesson-reveal-question{padding:16px 0 0}
.lesson-reveal-question+.lesson-reveal-question{border-top:1px solid #cbdac4;margin-top:24px;padding-top:24px}
.lesson-reveal-question h3{font-size:20px;font-weight:600;margin:0 0 10px;color:#527566}
.lesson-simple .lesson-task-body .lesson-reveal-condition{font-size:24px;line-height:1.55;margin:0 0 22px}
.lesson-simple .lesson-primary{font-size:18px;padding:13px 20px;cursor:pointer}
.lesson-simple .lesson-task-body .lesson-reveal-answer{font-size:27px;line-height:1.4;font-weight:600;margin:20px 0 0;padding:17px 20px;border-radius:14px;background:#e1ebd9;color:#245347;overflow-wrap:anywhere}
/* Keep both sports questions and revealed answers visible on a 720px-high screen. */
.lesson-simple:has(.lesson-reveal-question:nth-child(2)) .lesson-reveal-question{padding-top:12px}
.lesson-simple:has(.lesson-reveal-question:nth-child(2)) .lesson-reveal-question+.lesson-reveal-question{margin-top:18px;padding-top:18px}
.lesson-simple:has(.lesson-reveal-question:nth-child(2)) .lesson-reveal-condition{font-size:22px;line-height:1.4;margin-bottom:16px}
.lesson-simple:has(.lesson-reveal-question:nth-child(2)) .lesson-reveal-answer{font-size:25px;margin-top:14px;padding:13px 18px}

/* Review 5: concise flight controls and legible mission progress. */
.intro.intro-space .flight-card{margin-top:14px;padding-top:14px}
.intro.intro-space .flight-counter span{font-size:15px;letter-spacing:.5px}
.intro.intro-space .flight-steps{font-size:16px;line-height:1.55;margin:14px 0 0;padding-left:22px}
.intro.intro-space #space-goal{font-size:14px;line-height:1.45;padding-top:10px}
.intro.intro-space .intro-scroll{min-height:0;flex:0 1 auto}
.intro.intro-space .intro-actions{margin-top:16px}
.intro.intro-space .space-primary-actions{margin:0;gap:9px}
.intro.intro-space .space-primary-actions .lesson-space-task{background:#245347;color:#fff;border:2px solid #83a28a;font-size:15px;margin-top:0}
.intro.intro-space .sidebar-toolbar{margin-top:10px}
.intro.intro-wind #wind-phase,.intro.intro-wind #wind-hint.flight-complete{font-size:20px;line-height:1.35;font-weight:500;letter-spacing:-.4px}
.intro.intro-wind #wind-hint.flight-complete{min-height:0;margin:12px 0}
/* Reserve the complete mission sequence before the scrollable camera controls. */
.intro.intro-space .intro-scroll{flex:0 0 auto;padding-bottom:0}
.intro.intro-space h1{font-size:28px;line-height:1.12;margin:6px 0 12px}
.intro.intro-space .mission-picker{margin-top:10px}
.intro.intro-space .mission-picker button{padding:9px 12px;font-size:13px}
.intro.intro-space .flight-card{margin-top:12px;padding-top:12px}
.intro.intro-space #space-progress{margin:9px 0 10px}
.intro.intro-space #space-goal{padding-top:8px;font-size:13px;line-height:1.35}
.intro.intro-space .flight-steps{line-height:1.4;margin-top:10px}
.intro.intro-space .intro-actions{margin-top:10px;padding-top:8px;min-height:92px}
.intro.intro-space .space-primary-actions{gap:6px}
.intro.intro-space .space-primary-actions button{padding:9px 10px}
.intro.intro-space .space-primary-actions .lesson-space-task{font-size:14px}
.intro.intro-space .sidebar-toolbar{margin:8px 0 0}
.intro.intro-space .sidebar-toolbar button{padding:7px 9px;font-size:12px}
.intro.intro-space .flight-card{margin-top:8px;padding-top:8px}
.intro.intro-space .flight-steps{line-height:1.3}
.intro.intro-space .intro-actions{margin-top:6px;padding-top:6px}
.intro.intro-space .sidebar-toolbar button{padding:6px 8px}
.intro.intro-space .mission-picker button{padding:8px 12px}

/* Review 5: room actions next to their cameras; sports task above the scene. */
.intro-zones:is([data-room="projects"],[data-room="sports"],[data-room="laboratory"]) .intro-actions{display:flex;flex-direction:column;gap:8px}
.intro-zones:is([data-room="projects"],[data-room="sports"],[data-room="laboratory"]) .sidebar-toolbar{order:-2;margin-bottom:0}
.intro-zones:is([data-room="projects"],[data-room="sports"],[data-room="laboratory"]) .zone-task-launch{order:-1;margin-bottom:0}
.intro-zones:is([data-room="projects"],[data-room="sports"],[data-room="laboratory"]) .garden-views{margin:0}
.intro.intro-zones[data-room="sports"] #zones-description{font-size:17px;line-height:1.5}
.campus-global .sports-task-launch{display:block;margin:0}
.campus-global .sports-task-launch button{background:#245347;color:#fff;border:1px solid #245347;font-weight:600;font-size:13px}

.intro-zones[data-room="pools"] .intro-actions{display:flex;flex-direction:column;gap:8px}
.intro-zones[data-room="pools"] .sidebar-toolbar{order:-2;margin-bottom:0}
.intro-zones[data-room="pools"] .zone-task-launch{order:-1;margin-bottom:0}
.intro-zones[data-room="pools"] .garden-views{margin:0}
.lesson-simple .lesson-task-body .lesson-reveal-context{font-size:21px;line-height:1.45;margin:10px 0 20px;padding-bottom:18px;border-bottom:1px solid #cbdac4}
.lesson-fraction{display:inline-flex;flex-direction:column;vertical-align:middle;text-align:center;line-height:1.2;min-width:1.25em}
.lesson-fraction>span:first-child{border-bottom:2px solid currentColor;padding-bottom:3px}
.lesson-fraction>span:last-child{padding-top:3px}

.intro-zones[data-room="food"] .intro-actions{display:flex;flex-direction:column;gap:8px}.intro-zones[data-room="food"] .sidebar-toolbar{order:-2;margin-bottom:0}.intro-zones[data-room="food"] .garden-views{margin:0}
.intro.intro-zones[data-room="food"] .intro-scroll{min-height:0;flex:0 0 auto;padding-bottom:0}

.intro-zones:is([data-room="relax"],[data-room="sensory"]) .intro-actions{display:flex;flex-direction:column;gap:8px}.intro-zones:is([data-room="relax"],[data-room="sensory"]) .sidebar-toolbar{order:-2;margin-bottom:0}.intro-zones:is([data-room="relax"],[data-room="sensory"]) .garden-views{margin:0}

/* Review 6: one task position and distinct action colors. */
body .flight-primary,body #gallery-demo{background:#a44d32!important;border-color:#914129!important;color:#fffaf1!important;font-weight:600}
body .flight-primary:hover:not(:disabled),body #gallery-demo:hover{background:#8e402b!important}
body.in-zones #assets-status{display:none!important}

/* Tasks share the return/navigation row and its button dimensions. */
.campus-global #scene-tasks,.campus-global #scene-tasks .lesson-task-launch{display:contents}
.campus-global #scene-tasks[hidden],.campus-global #scene-tasks [hidden]{display:none!important}
.campus-global #scene-tasks button{width:auto;margin:0;padding:12px 16px;border:1px solid #426d5b;border-radius:12px;background:#245347;color:#fffdf2;font-size:11px;line-height:normal;font-weight:600;box-shadow:none;white-space:nowrap}
.campus-global #scene-tasks button:hover{background:#326653;border-color:#326653}

/* Atrium scenarios sit with its views in the sidebar. */
.intro.intro-atrium .atrium-toolbar{display:flex;flex-direction:column;align-items:stretch;gap:9px;margin:0}
.intro-atrium .atrium-toolbar .toolbar-title{font-size:9px;line-height:1.5}
.intro-atrium .atrium-toolbar .modes{display:flex;flex-direction:column;gap:6px}
.intro.intro-atrium .atrium-toolbar .modes button{flex:none;width:100%;text-align:left}
.intro.intro-atrium .atrium-toolbar .modes button.active{background:#245347;color:#fff}
.intro.intro-zones .intro-actions .garden-views :is([data-quiet-theme],[data-zones-view="quiet-nature"]){padding-left:8px;padding-right:8px}

/* Frozen worksheets do not reserve a toolbar row in the mathematics dialog. */
#math-plan:not(:has(.worksheet-tools)) .math-plan-body,
#math-plan:not(:has(.worksheet-tools)) .math-economy-body{height:calc(100% - 126px)}

/* Larger touch targets and keyboard focus for classroom-board voting. */
.survey-ballot input{box-sizing:border-box;width:92px;min-height:52px;font-size:22px;touch-action:manipulation}
.survey-answer{grid-template-columns:34px minmax(0,1fr) 92px;gap:10px;min-height:64px}
.survey-letter{width:32px;height:32px;font-size:15px}
.survey-controls button,.survey-primary,.survey-questions button{min-height:48px;touch-action:manipulation}
#survey-generate{width:100%;white-space:normal;line-height:1.45;text-align:left;font-size:16px}
.survey-ballot input:focus-visible,.survey-controls button:focus-visible,.survey-questions button:focus-visible,.survey-primary:focus-visible{outline:3px solid #397665;outline-offset:3px}
.survey-chart-title{font-size:19px;line-height:1.4;font-weight:500;margin:22px 0 8px;color:#315a43}
.survey-chart-title+.survey-chart{margin-top:0}
.survey-result-table{font-size:14px}.survey-result-table caption{font-size:15px}

/* Number steppers share the voting palette and use a thin focus line. */
.survey-stepper{display:grid;grid-template-columns:92px 36px;gap:4px;align-items:stretch}
.survey-stepper input{min-height:60px;height:60px}
.survey-answer{grid-template-columns:34px minmax(0,1fr) 132px}
.survey-stepper-arrows{display:grid;grid-template-rows:1fr 1fr;gap:3px}
.survey-stepper-arrows button{display:grid;place-items:center;min-height:28px;padding:0;border:1px solid #b9cbb0;border-radius:7px;background:#eef3e5;color:#315a43;cursor:pointer;touch-action:manipulation;font:600 22px/1 Arial}
.survey-stepper-arrows button:disabled{opacity:.4;cursor:default}.survey-stepper-arrows button:not(:disabled):active{background:#dce8d4}
.survey-ballot input:focus-visible,.survey-stepper-arrows button:focus-visible{outline:1px solid #397665;outline-offset:1px}