:root{--ink:#192f36;--muted:#76878b;--line:#e2e9e7;--accent:#136f60;--accentLight:#e8f4ee;--bg:#f7f9f7}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font-family:Inter,'Segoe UI',Arial,sans-serif;font-size:13px;height:100vh;display:flex;flex-direction:column;overflow:hidden}button,input,select{font:inherit}button{cursor:pointer;border:1px solid var(--line);background:white;color:var(--ink);border-radius:6px;padding:8px 11px}button:hover{background:#edf3ef;border-color:#bdcec5}button:disabled{opacity:.4;cursor:default}button.primary{background:var(--accent);color:white;border-color:var(--accent)}button.primary:hover{background:#0c5d50}button.active{color:var(--accent);background:var(--accentLight);border-color:#b9d8c9}input,select{min-width:0;border:1px solid #dbe3df;background:white;border-radius:5px;padding:8px;color:var(--ink);width:100%}input:focus,select:focus,button:focus-visible{outline:2px solid #71bca5;outline-offset:2px}input[type=checkbox]{width:auto;accent-color:var(--accent)}header{height:79px;flex-shrink:0;display:flex;align-items:center;justify-content:space-between;gap:24px;background:white;padding:0 24px;border-bottom:1px solid var(--line)}.brand{display:flex;gap:12px;align-items:center}.logo{background:var(--accent);color:white;width:43px;height:40px;border-radius:9px;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:20px}.brand b{font-size:20px;letter-spacing:-.8px}.brand b span{font-weight:400}.brand small{display:block;font-size:9px;letter-spacing:1.5px;margin-top:5px;color:var(--muted)}.project{flex:1;max-width:300px}.project input{border:0;font-weight:600;padding:4px 0;background:transparent}.project span{font-size:10px;color:var(--muted)}.headerActions{display:flex;gap:7px}.commandbar{height:47px;display:flex;justify-content:space-between;align-items:center;padding:0 19px;background:white;border-bottom:1px solid var(--line);flex-shrink:0}.commandbar>div{display:flex;align-items:center;gap:7px}.commandbar button{padding:5px 9px;font-size:12px;border-color:transparent}.commandbar label{display:flex;align-items:center;gap:5px;font-size:12px;margin-right:12px}.separator{height:19px;width:1px;background:var(--line);margin:0 7px}main{flex:1;display:grid;grid-template-columns:198px minmax(250px,1fr) 264px;min-height:0}.tools,.properties{background:white;padding:20px 14px;overflow:auto}.tools{border-right:1px solid var(--line)}.properties{border-left:1px solid var(--line);padding:20px 18px}.sectionLabel{font-size:9px;letter-spacing:1.5px;color:var(--muted);font-weight:700;margin-bottom:18px}.toolGroup{margin-bottom:17px}.toolGroup h3{font-size:11px;margin:0 0 7px;color:#8a9899;font-weight:600}.toolGrid{display:grid;grid-template-columns:1fr 1fr;gap:4px}.toolGrid button{padding:8px 3px;border-color:transparent;text-align:left;font-size:11px;display:flex;align-items:center;gap:7px}.toolGrid button span{font-size:17px;width:20px;text-align:center;color:#546e69}.toolGrid button.active{border-color:#d0e6db}.toolGrid button.active span{color:var(--accent)}details{border-top:1px solid var(--line);padding:12px 0}summary{cursor:pointer;font-size:12px;font-weight:600;list-style:none;display:flex;justify-content:space-between}summary:after{content:'⌄';color:var(--muted)}.badge{font-size:9px;background:#f1f4f2;color:var(--muted);padding:2px 3px;font-weight:400}.snapBox #snapOptions{display:grid;grid-template-columns:1fr 1fr;gap:6px;margin-top:12px}.snapBox label{font-size:10px;display:flex;gap:3px;align-items:center}.gridInput{margin-top:10px}.gridInput input{width:52px;padding:4px}.layer{display:flex;align-items:center;gap:6px;font-size:10px;margin:9px 0}.layer span{flex:1}.layer button{border:0;padding:3px;background:transparent}.leftFooter{color:var(--muted);border-top:1px solid var(--line);padding-top:16px;font-size:10px;line-height:2}.dot{display:inline-block;width:6px;height:6px;background:#33997e;border-radius:50%;margin-right:7px}.workspace{display:flex;flex-direction:column;min-height:0;position:relative;background:#f7f9f7}.canvasTop{height:45px;flex-shrink:0;display:flex;align-items:center;justify-content:space-between;padding:0 18px;background:#fbfcfa;border-bottom:1px solid var(--line);font-size:11px}.canvasTop b{font-weight:600}.canvasTop #objectCount{margin-left:13px;color:var(--muted)}.canvasTop button{background:transparent;border:0;color:var(--accent);font-size:11px}#canvasWrap{flex:1;min-height:0;position:relative;overflow:hidden}#canvas{width:100%;height:100%;display:block;touch-action:none;user-select:none}#emptyHint{position:absolute;left:50%;top:45%;transform:translate(-50%,-50%);text-align:center;width:330px;pointer-events:none}#emptyHint button{pointer-events:auto;margin:8px 3px;font-size:12px}.emptyIcon{color:#82ac99;font-size:57px;line-height:1}#emptyHint h2{font-size:22px;letter-spacing:-.7px;font-weight:700;margin:16px 0 9px}#emptyHint p{color:var(--muted);line-height:1.8;margin:0 0 15px;font-size:12px}.zoomControls{position:absolute;right:16px;bottom:16px;display:flex;align-items:center;border:1px solid var(--line);border-radius:7px;background:white;box-shadow:0 2px 9px #19352a09}.zoomControls button{border:0;background:transparent;font-size:18px;padding:6px 10px}.zoomControls span{font-size:10px;width:48px;text-align:center}.instruction{height:47px;flex-shrink:0;padding:0 18px;background:white;display:flex;align-items:center;gap:11px;border-top:1px solid var(--line);font-size:11px}.instruction>span:first-child{background:var(--accentLight);padding:5px 7px;border-radius:4px;font-size:9px;font-weight:700;color:var(--accent)}.properties h2{font-size:18px;margin:0 0 6px;letter-spacing:-.4px}.properties p{font-size:11px;color:var(--muted);line-height:1.7;margin:6px 0 18px}.properties label{display:block;font-size:10px;color:#63777b;margin:12px 0}.properties label>input,.properties label>select{margin-top:5px;font-size:12px}.properties label:has(input[type=checkbox]){display:flex;gap:5px;align-items:center}.two{display:grid;grid-template-columns:1fr 1fr;gap:10px}.properties .two label{margin:6px 0}.properties button.wide{width:100%;margin:7px 0}.divider{height:1px;background:var(--line);margin:17px 0}.readout{background:#f3f7f3;padding:12px;border-radius:6px;line-height:1.9;font-size:11px;margin:10px 0;color:var(--accent)}.tip{border:1px solid var(--line);background:#fbfcf9;padding:13px;margin-top:20px;border-radius:6px}.tip b{font-size:11px}.tip p{margin-bottom:0;font-size:10px}.displayBox{margin-top:22px}.note{font-size:11px;color:var(--muted);line-height:1.6}.selectionList{max-height:110px;overflow:auto;font-size:11px;line-height:2;color:#607477}.colorRow{display:grid;grid-template-columns:1fr 1fr;gap:10px}footer{display:flex;justify-content:space-between;align-items:center;gap:14px;padding:0 17px;height:30px;flex-shrink:0;background:#eef3ef;border-top:1px solid var(--line);font-size:10px;color:#657a74}#toast{position:absolute;left:50%;bottom:24px;transform:translateX(-50%);padding:10px 16px;background:#203d36;color:white;border-radius:7px;box-shadow:0 3px 14px #0002;display:none;max-width:85%;font-size:12px}dialog{border:1px solid var(--line);border-radius:13px;padding:25px;width:510px;max-width:95vw;color:var(--ink);box-shadow:0 20px 100px #19352a30}dialog::backdrop{background:#15372b50;backdrop-filter:blur(3px)}dialog h2{font-size:22px;margin:0}.dialogTitle{display:flex;justify-content:space-between;align-items:center}.dialogTitle button{border:0;font-size:24px;padding:0 7px}dialog p,dialog li{font-size:12px;line-height:1.8;color:#63777b}dialog li{margin-bottom:9px}dialog label{display:block;font-size:11px;margin:14px 0}dialog label input,dialog label select{margin-top:7px}.exportActions{display:flex;gap:8px;margin-top:17px}svg text{user-select:none}#panel .mini{font-size:10px;padding:5px 6px}#panel .buttonRow{display:flex;gap:5px;flex-wrap:wrap;margin-top:7px}@media(max-width:1050px){main{grid-template-columns:160px minmax(200px,1fr) 230px}.tools{padding:16px 8px}.properties{padding:16px 12px}.project{max-width:190px}.brand small{display:none}.brand b{font-size:17px}header{padding:0 14px;gap:15px}.commandbar label{margin-right:3px}}@media(max-width:760px){body{height:auto;min-height:100vh;overflow:auto}header{flex-wrap:wrap;height:auto;padding:12px;gap:10px}.project{max-width:none}.headerActions{width:100%}.commandbar{height:auto;min-height:45px;flex-wrap:wrap;padding:5px}main{grid-template-columns:125px minmax(200px,1fr);min-height:650px}.properties{grid-column:1/-1;border-top:1px solid var(--line)}.workspace{height:650px}.toolGrid{grid-template-columns:1fr}.tools{height:650px}.snapBox #snapOptions{grid-template-columns:1fr}footer{flex-wrap:wrap;height:auto;padding:8px}footer>span:nth-child(3){display:none}.instruction{height:auto;min-height:47px}.canvasTop{padding:0 8px}#emptyHint{width:240px}#emptyHint h2{font-size:18px}}

/* Example selector: placeholders are visible without changing a drawing. */
.canvasTop{height:82px}.examplePicker{display:flex;flex-direction:column;gap:3px}.examplePicker>label{font-size:10px;color:#60766d;font-weight:600}.examplePickerControls{display:flex;gap:6px;align-items:center}.examplePickerControls select{width:194px;font-size:11px;padding:5px 7px;background:white}.examplePickerControls button{border:1px solid #d5e3db;background:#edf5f0;white-space:nowrap;min-width:71px}.examplePickerControls button:disabled{background:#f4f5f3;color:#83918a;opacity:1;cursor:default}.examplePicker small{font-size:9px;color:#819088}.examplePicker small.pending{color:#ab773f}@media(max-width:1050px){.examplePickerControls select{width:155px}.canvasTop{gap:8px}.canvasTop #objectCount{margin-left:7px}}@media(max-width:760px){.canvasTop{height:112px;align-items:flex-start;justify-content:center;flex-direction:column;gap:7px;padding:8px}.examplePickerControls select{width:168px}.examplePickerControls button{padding:5px 8px}}
.usageDialog{width:min(960px,95vw);max-height:92vh;padding:26px;overflow:auto}.usageHeader{display:flex;justify-content:space-between;align-items:flex-start}.usageHeader h2{font-size:27px;margin-top:6px}.usageHeader p{margin:8px 0 18px}.usageHeader>button{font-size:24px;border:0;padding:0 6px}.usageEyebrow{font-size:9px;color:#718c7c;letter-spacing:1.6px;font-weight:700}.usageFilters{display:flex;justify-content:space-between;align-items:center;gap:10px;margin-bottom:9px}.usageFilters button{font-size:11px;padding:7px 10px}.usageDates,.usageFootnote{font-size:10px;color:#7b8f82;line-height:1.7}.usageState{margin:12px 0;font-size:11px;color:#698074;line-height:1.7}.usageError{color:#a16532;background:#fff4e9;padding:12px;border-radius:6px}.usageCards{display:grid;grid-template-columns:repeat(6,1fr);gap:9px;margin:14px 0 24px}.usageCard{background:#f2f7f3;border:1px solid #e1ebe2;border-radius:8px;padding:14px 10px}.usageCard span{font-size:10px;color:#718678;display:block;min-height:26px;line-height:1.3}.usageCard strong{display:block;font-size:25px;font-weight:600;margin-top:5px;color:#27654f}.usageMapHeading{display:flex;justify-content:space-between;align-items:center;gap:10px}.usageMapHeading h3{font-size:14px;margin:0 0 10px}.usageMapHeading span{font-size:10px;color:#7c8b81}.usageMap{border:1px solid #deeadf;border-radius:10px;overflow:hidden;background:#f0f6f3;aspect-ratio:960/440}.usageMapPlaceholder{padding:70px 16px;text-align:center;color:#78927f;font-size:12px}.usageWorld{display:block;width:100%;height:100%}.usageWorld g{cursor:pointer}.usageWorld g:focus{outline:none}.usageWorld g:focus circle{stroke:#142f25;stroke-width:3}.usageMapDetail{font-size:11px;color:#3c7560;margin:9px 0;min-height:18px}.usageLegend{font-size:10px;color:#7a8f81}.usageLegend i{display:inline-block;background:#168572;width:7px;height:7px;border-radius:50%;margin-right:5px}.usageLocations{padding-top:15px}.usageLocations table{width:100%;border-collapse:collapse;margin-top:12px;font-size:11px;text-align:left}.usageLocations th{font-weight:600;color:#688070;background:#f6f9f5}.usageLocations td,.usageLocations th{padding:9px 8px;border-bottom:1px solid #e3ebe2}.usageLocationControls{padding:16px;background:#f6f9f4;border:1px solid #e5ecdf;border-radius:7px;margin:14px 0}.usageLocationControls[hidden]{display:none}.usageLocationControls h3{margin:0;font-size:13px}.usageLocationControls h3 span{font-weight:400;font-size:10px;color:#85977f;margin-left:7px}.usageLocationFields{display:flex;gap:10px;align-items:flex-end}.usageLocationFields label{flex:1;margin:0;font-size:10px}.usageLocationFields input,.usageLocationFields select{font-size:11px}.usageLocationFields button{font-size:11px;margin-bottom:0}.usagePrivacy{font-size:10px;color:#7b8a80;line-height:1.8;margin:18px 0 9px;padding-top:14px;border-top:1px solid #e2ebe2}.usageDetectedLocation,#usageLocationMessage{font-size:10px;color:#6a8573;margin:10px 0}.usageLocations p{font-size:11px}.commandbar #usageBtn{color:#136f60;background:#f0f6f1}@media(max-width:760px){.usageDialog{padding:18px}.usageCards{grid-template-columns:repeat(3,1fr)}.usageLocationFields{flex-wrap:wrap}.usageLocationFields label{flex-basis:42%}.usageMapHeading{align-items:flex-start;flex-direction:column;margin-bottom:8px}.usageFilters button{padding:6px;font-size:10px}.usageLocations table{font-size:10px}.usageCard strong{font-size:22px}}

#usageCountryHint{display:block;min-height:24px;margin-top:5px;font-size:9px;line-height:1.4;color:#7b8f80}.usageLocationFields:has(#usageCountry){align-items:flex-start}.usageLocationFields:has(#usageCountry)>button{margin-top:28px}@media(max-width:760px){.usageLocationFields:has(#usageCountry)>button{margin-top:0}}

[hidden]{display:none!important}
.workspaceNav{display:flex;gap:6px;align-items:center;padding:9px 24px;background:white;border-bottom:1px solid var(--line);flex-shrink:0}
.workspaceNav button{padding:8px 16px;font-weight:600}
.learnWorkspace{flex:1;min-height:0;overflow:auto;padding:40px clamp(20px,5vw,80px)}
.learnIntro{max-width:720px;margin-bottom:28px}.learnIntro h1{font-size:32px;letter-spacing:-1px;margin:10px 0}.learnIntro p{font-size:15px;color:#536a70;line-height:1.6}
.topicCard{display:block;position:relative;text-align:left;width:100%;max-width:360px;padding:26px;border-radius:14px;box-shadow:0 5px 18px #193e3408}
.topicIcon{display:block;font-size:42px;color:var(--accent);margin-bottom:22px}.topicCard>.badge{position:absolute;top:26px;right:22px}.topicCard h2{font-size:22px;margin:0 0 10px}.topicCard p{color:#536a70;line-height:1.6;margin:0 0 24px}.topicLink{color:var(--accent);font-weight:600}
.topicPlaceholder{max-width:760px;background:white;border:1px solid var(--line);border-radius:14px;padding:24px}.placeholderBody{padding:32px 0}.placeholderBody h2{font-size:28px;margin:16px 0}.placeholderBody p{line-height:1.7;color:#536a70}
body.learningMode>.commandbar,body.learningMode>main,body.learningMode>footer,body.learningMode header>.project,body.learningMode header>.headerActions{display:none}
@media(max-width:700px){.workspaceNav{padding:8px 12px}.learnWorkspace{padding:24px 18px}.learnIntro h1{font-size:27px}}

/* Creator attribution stays visible in every teaching workspace, including phones. */
.brand .logo{text-decoration:none;flex-shrink:0}.studioAttribution{display:block;margin-top:5px;font-size:11px;letter-spacing:.15px;color:#136f60;text-decoration:none}.studioAttribution a:hover{text-decoration:underline}.studioAttribution strong{letter-spacing:.8px}.workspaceNav .minesolvaVisit{margin-left:auto;display:inline-flex;align-items:center;justify-content:center;min-height:40px;padding:8px 13px;border:1px solid #b4d5c8;border-radius:7px;background:#e8f4ee;color:#136f60;font-size:12px;font-weight:700;text-decoration:none;white-space:nowrap}.minesolvaVisit:hover{background:#d9eee3}.studioAttribution a:focus-visible,.minesolvaVisit:focus-visible,.brand .logo:focus-visible{outline:2px solid #136f60;outline-offset:3px}.studioSceneCredit{color:#b9e6d6;text-decoration:none;font-weight:700;margin-left:auto;white-space:normal}.studioSceneCredit a:hover{text-decoration:underline}.studioResultCredit{display:block;margin-top:14px;text-align:center;color:#136f60;font-size:12px;font-weight:600;text-decoration:none}.studioResultCredit a:hover{text-decoration:underline}
@media(max-width:480px){.workspaceNav{gap:4px;flex-wrap:wrap}.workspaceNav button{padding:8px 11px;min-height:44px}.workspaceNav .minesolvaVisit{font-size:11px;padding:8px;min-height:44px}.studioAttribution{font-size:10px}.brand b{letter-spacing:-.5px}.caveSceneBar{flex-wrap:wrap;gap:6px}}

.studioAttribution a,.studioSceneCredit a,.studioResultCredit a{color:inherit;font-weight:700;text-decoration:none}.studioSceneCredit a:focus-visible,.studioResultCredit a:focus-visible{outline:2px solid currentColor;outline-offset:3px}
.studioHomeLink{color:var(--ink);text-decoration:none;font-weight:600;padding:8px 12px;border:1px solid transparent;border-radius:6px}.studioHomeLink.active{background:#edf3f7;color:#256584;border-color:#cbdce5}.studioHome{flex:1;min-height:0;overflow:auto;padding:48px clamp(20px,6vw,90px) 28px;background:radial-gradient(ellipse at top right,#e7f0f5,transparent 60%),#f7f9fa}.studioHomeIntro{max-width:760px;margin:0 auto 34px;text-align:center}.studioEyebrow{color:#53727e;letter-spacing:2px;font-size:11px;font-weight:700}.studioHomeIntro h1{font-size:clamp(30px,4vw,46px);font-weight:650;letter-spacing:-1.5px;margin:16px 0}.studioHomeIntro p{font-size:16px;line-height:1.7;color:#627781;margin:0}.studioHomeCards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;max-width:1120px;margin:auto}.studioCard{display:flex;flex-direction:column;position:relative;min-width:0;padding:24px;border:1px solid #dbe4e9;border-radius:16px;background:white;color:#1c3541;text-decoration:none;box-shadow:0 8px 28px #213b4b08;transition:transform .18s,box-shadow .18s}.studioCard:hover{transform:translateY(-4px);box-shadow:0 12px 30px #213b4b15;border-color:#9bb6c5}.studioCard:focus-visible,.studioHomeLink:focus-visible{outline:3px solid #4694b8;outline-offset:4px}.studioCardArt{border-radius:12px;background:#eff5f8;margin-bottom:24px;overflow:hidden}.studioCardArt svg{display:block;width:100%;height:150px;padding:12px}.studioCard-play .studioCardArt{background:#fbf5eb}.studioCard-explore .studioCardArt{background:#edf3f3}.studioCardNumber{position:absolute;top:34px;right:35px;font-size:10px;letter-spacing:1px;color:#8095a0}.studioCard h2{font-size:25px;letter-spacing:-.5px;margin:0 0 12px}.studioCard strong{font-size:13px;font-weight:600}.studioCard p{color:#637883;font-size:13px;line-height:1.75;margin:12px 0 26px}.studioCardCta{display:flex;justify-content:space-between;gap:8px;margin-top:auto;font-weight:650;color:#28779b;padding-top:18px;border-top:1px solid #e7edef}.studioCard-play .studioCardCta{color:#9a691c}.studioHomeCredit{text-align:center;color:#7b8e98;font-size:11px;line-height:1.6;margin:32px 0 0}.studioHomeCredit a{color:inherit}.workspaceNav{flex-wrap:wrap}@media(max-width:800px){.studioHomeCards{gap:14px}.studioCard{padding:18px}.studioCard h2{font-size:22px}.studioCardArt svg{height:120px}}@media(max-width:620px){.studioHome{padding:30px 18px}.studioHomeCards{grid-template-columns:1fr;max-width:400px}.studioHomeIntro{margin-bottom:26px}.studioHomeIntro p{font-size:14px}.studioCardArt svg{height:140px}.workspaceNav{gap:3px}.workspaceNav button,.workspaceNav .studioHomeLink{padding:8px;font-size:12px}.studioCardNumber{top:27px;right:29px}}

/* Home card: reuse the machine illustrations from Mine Explore. */
.studioCard-explore .studioExploreArt{position:relative;height:150px;background:radial-gradient(ellipse at 75% 25%,#fff9e9 0,transparent 62%),linear-gradient(135deg,#edf3f3,#e3edef);isolation:isolate}
.studioExploreArt::after{content:"";position:absolute;inset:auto 9% 13px;height:12px;background:#2449571c;border-radius:50%;filter:blur(7px);z-index:-1}
.studioExploreArt img{position:absolute;display:block;object-fit:contain;filter:drop-shadow(0 5px 3px #243c4729)}
.studioExploreJumbo{width:69%;height:69%;right:2%;bottom:0;z-index:2}
.studioExploreMiner{width:65%;height:65%;left:2%;top:0;z-index:1}
@media(max-width:800px){.studioCard-explore .studioExploreArt{height:120px}}
@media(max-width:620px){.studioCard-explore .studioExploreArt{height:140px}}

/* Mine Explore groups share the existing responsive card layout. */
.exploreGroup+.exploreGroup{margin-top:40px;padding-top:30px;border-top:1px solid var(--line)}
.exploreGroupHeading{font-size:24px;letter-spacing:-.5px;margin:0 0 22px;color:var(--ink)}
.exploreGroup .topicCard h3{font-size:22px;margin:0 0 10px}
@media(max-width:700px){.exploreGroup+.exploreGroup{margin-top:30px;padding-top:24px}.exploreGroupHeading{font-size:22px}}

.studioCardArt .studioHomeIcon{display:block;width:100%;height:150px;object-fit:contain;padding:8px}
@media(max-width:800px){.studioCardArt .studioHomeIcon{height:120px}}
@media(max-width:620px){.studioCardArt .studioHomeIcon{height:140px}}