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.progress{height:4px;border-radius:4px;background:#e9eee1;overflow:hidden;margin:16px 0 21px}.jf .progress>span{display:block;height:100%;background:#73a983;transition:width .3s}.jf .game-question{font-size:19px;margin:15px 0 23px;min-height:50px;line-height:1.5}.jf .answer-options{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.jf .answer-btn{display:flex;align-items:center;gap:10px;text-align:left;background:#fafaf3;border:1px solid #dfe5d6;border-radius:8px;padding:13px;color:#436a58;font-size:13px;min-height:55px;transition:transform .2s,background .2s}.jf .answer-btn:hover{background:#e9f1e2;transform:translateY(-2px);border-color:#90b78c}.jf .answer-btn span{width:25px;height:25px;display:flex;align-items:center;justify-content:center;border:1px solid #d9e1d0;border-radius:5px;font-size:10px;flex-shrink:0}.jf .answer-btn b{font-weight:500}.jf .memory-options{perspective:900px}.jf .memory-card{background:linear-gradient(135deg,#1f645c,#143e4c);color:#e3d7a6;transform-style:preserve-3d;transition:transform .35s}.jf .memory-card:not(.revealed) b{visibility:hidden}.jf .memory-card.revealed{background:#f7f6e7;color:#526b4b;transform:rotateY(0deg)}.jf .memory-card:not(.revealed){transform:rotateY(10deg)}.jf .memory-card:hover{background:#285f53}.jf .feedback{padding:10px 13px;background:#edf3e6;color:#64875c;font-size:12px;border-radius:6px;margin-bottom:14px}.jf .finish{text-align:center;padding:20px}.jf .finish h2{font-size:20px}.jf .finish-score{display:block;font-size:57px;line-height:1.1;color:#3c8766;margin:20px 0}.jf .finish-score small{font-size:24px;color:#a5b394}.jf .finish p{font-size:12px;color:#829273}.jf #game-summary{margin-top:25px}.jf #game-summary details{margin-top:20px}.jf .type-answer{grid-column:1/-1;display:flex;gap:10px;align-items:center}.jf .type-answer input{margin:0!important}.jf .labs-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}.jf .lab-scene{height:280px;background:#edf1e4;border-radius:12px;margin:20px 0}.jf .labs-grid .section-head{margin:0}.jf .labs-grid .panel>p{margin:13px 0}.jf .geography{display:grid;grid-template-columns:40% minmax(0,1fr);align-items:center;gap:20px;margin-top:25px;background:#e9efe2}.jf .geo-visual{height:300px}.jf .geography p{font-size:12px;color:#7e9277;margin:17px 0}.jf .media-maker{display:grid;grid-template-columns:1fr 1fr;gap:35px;margin-top:26px}.jf .media-maker h2{font-size:27px;margin:16px 0}.jf .media-maker p{font-size:12px;color:#7e9277;margin:15px 0}.jf .generated-media{margin-top:25px}.jf .generated-media img{max-width:100%;max-height:650px;border-radius:12px}.jf .generated-media audio{width:100%}.jf .timer-display{font-size:70px;letter-spacing:-3px;color:#2c775e;text-align:center;padding:40px 0;font-variant-numeric:tabular-nums}.jf .team-list{background:#eef3e5;border-radius:8px;padding:15px;margin-top:12px;font-size:12px}.jf .picked-name{font-size:35px;color:#37806a;text-align:center;padding:20px}.jf .present-slide{background:linear-gradient(125deg,#173c4a,#1b6359);border-radius:12px;color:#f0f3df;padding:40px;min-height:350px;margin:10px 0 20px}.jf .present-slide h2{font-size:34px;margin:26px 0}.jf .present-slide p{font-size:19px;white-space:pre-wrap;line-height:1.8}.jf .public-welcome{background:#edf2e5;border:1px solid var(--line);border-radius:16px;text-align:center;padding:10px 30px 45px}.jf .public-scene{height:280px}.jf .public-welcome p{margin:15px 0 25px;color:#829579}.jf .scene-fallback{display:grid;place-content:center;height:100%;text-align:center;color:#7bb2a5;font-size:35px}.jf .scene-fallback small{font-size:12px}.jf .jf-loading{padding:100px;text-align:center;color:#3a7d65}.jf canvas{display:block;max-width:100%}.jf :fullscreen{overflow-y:auto;background:var(--cream)}
@media(min-width:1500px){.jf .hero{min-height:380px}.jf .hero h2{font-size:46px}.jf .hero-copy{width:59%}.jf .game-art{height:220px}.jf .feature{min-height:200px}}
@media(max-width:1150px){.jf .layout{grid-template-columns:210px minmax(0,1fr)}.jf .sidebar{padding:25px 12px}.jf .brand>span{font-size:13px}.jf .content{padding:28px}.jf .topbar{padding:0 28px}.jf .hero{padding:30px}.jf .hero h2{font-size:32px}.jf .feature-grid{gap:10px}.jf .feature{padding:15px}.jf .game-info{padding:15px}.jf .game-info .actions{flex-wrap:wrap}.jf .studio-grid{grid-template-columns:minmax(0,1fr) 200px}.jf .studio-aside{padding:19px}.jf .page-title h1{font-size:25px}}
@media(max-width:950px){.jf .layout{grid-template-columns:190px minmax(0,1fr)}.jf .nav-item{font-size:10px;padding:11px 8px;gap:8px}.jf .brand{gap:0}.jf .brand img{width:45px;height:45px}.jf .brand>span{font-size:12px}.jf .brand small{font-size:6px}.jf .content{padding:23px}.jf .hero h2{font-size:30px}.jf .hero-visual{width:45%;right:-10px}.jf .hero-copy{width:68%}.jf .hero p br{display:none}.jf .hero .actions{gap:7px}.jf .hero .btn{font-size:10px;padding:9px 12px}.jf .hero-foot{font-size:7px;gap:10px}.jf .float-label{display:none}.jf .feature-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.jf .games-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.jf .games-grid>.game-card:nth-child(3):last-child{display:none}.jf .material-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.jf .studio-grid{grid-template-columns:1fr}.jf .studio-aside{display:none}.jf .page-title{align-items:flex-start}.jf .page-title h1{font-size:24px}.jf .labs-grid{grid-template-columns:1fr}.jf .bottom-banner .text-btn{display:none}.jf .document-panel{padding:23px}.jf .players.two{gap:12px}.jf .player-panel{padding:16px}.jf .players.two .answer-options{grid-template-columns:1fr}.jf .media-maker{grid-template-columns:1fr}}
@media(max-width:650px){.jf .layout{display:block}.jf .sidebar{position:relative;height:auto;padding:15px 17px;border-bottom:1px solid var(--line);border-right:0}.jf .brand{margin:0 0 15px;gap:5px}.jf .brand>span{font-size:15px}.jf .brand small{font-size:7px}.jf .sidebar>.side-label,.jf nav .side-label,.jf .side-bottom{display:none}.jf .sidebar nav{display:flex;overflow-x:auto;gap:8px;padding-bottom:2px}.jf .nav-item{width:auto;white-space:nowrap;font-size:10px;padding:9px 12px;margin:0}.jf .nav-item svg{width:16px;height:16px}.jf .nav-item .tiny{display:none}.jf .topbar{height:46px;padding:0 18px;font-size:9px}.jf .top-status{display:none}.jf .content{padding:24px 17px}.jf .page-title{display:block;margin-bottom:20px}.jf .page-title h1{font-size:24px}.jf .page-title .actions{margin-top:15px}.jf .eyebrow{font-size:8px;letter-spacing:1.3px}.jf .hero{padding:27px 23px;min-height:470px}.jf .hero-copy{width:100%}.jf .hero h2{font-size:33px;line-height:1.25;margin:20px 0 15px}.jf .hero p{max-width:77%;font-size:11px}.jf .hero .pill{font-size:7px;letter-spacing:1px}.jf .hero-visual{width:210px;height:190px;right:-8px;top:auto;bottom:-7px}.jf .hero-foot{position:absolute;bottom:-116px;left:0;display:block;font-size:8px;max-width:155px}.jf .hero-foot span{display:block;margin-top:7px;line-height:1.8}.jf .hero .actions{align-items:flex-start;gap:10px}.jf .hero .btn{font-size:10px;padding:10px 12px}.jf .section-head{align-items:flex-start}.jf .section-head h2{font-size:18px;max-width:235px}.jf .section-head>.text-btn{font-size:0;gap:0}.jf .section-head p{font-size:10px}.jf .feature{min-height:180px;padding:17px}.jf .feature h3{font-size:14px}.jf .feature p{font-size:10px}.jf .games-grid{grid-template-columns:1fr}.jf .games-grid>.game-card:nth-child(3):last-child{display:block}.jf .game-art{height:225px}.jf .game-info{padding:21px}.jf .game-info h3{font-size:20px}.jf .game-info p{font-size:12px;min-height:auto}.jf .game-info .btn{font-size:11px}.jf .bottom-banner{padding:18px;gap:12px}.jf .bottom-banner h3{font-size:12px}.jf .bottom-banner p{font-size:10px}.jf footer{padding:18px;font-size:8px}.jf .form-grid{grid-template-columns:1fr}.jf .panel{padding:20px}.jf .form-bottom{align-items:flex-start;flex-direction:column}.jf .form-bottom .btn{width:100%}.jf .kind-tabs{max-height:170px;overflow-y:auto}.jf .slide-grid{grid-template-columns:1fr}.jf .material-toolbar{align-items:flex-start;flex-direction:column}.jf .material-grid{grid-template-columns:1fr}.jf .library-controls{flex-direction:column;gap:8px}.jf .library-controls select{width:100%}.jf .stats-grid{gap:8px}.jf .stat{padding:13px}.jf .stat span{font-size:9px}.jf .stat b{font-size:22px}.jf .modal-backdrop{padding:12px}.jf .modal{padding:28px 22px;max-height:93vh}.jf .modal h2{font-size:22px}.jf .play-scene{height:260px}.jf .game-topline h1{font-size:20px}.jf .game-topline>.text-btn{font-size:9px}.jf .players.two{grid-template-columns:1fr}.jf .players.two .answer-options{grid-template-columns:repeat(2,minmax(0,1fr))}.jf .game-question{font-size:18px}.jf .arena-overlay{font-size:8px;left:15px;right:15px}.jf .player-panel{padding:20px}.jf .geography{grid-template-columns:1fr}.jf .geo-visual{height:230px}.jf .timer-display{font-size:65px}.jf .present-slide{padding:25px}.jf .present-slide h2{font-size:27px}.jf .present-slide p{font-size:16px}.jf .notice{padding:12px 18px}}
@media(prefers-reduced-motion:reduce){.jf *{animation:none!important;transition:none!important;scroll-behavior:auto!important}}
@media print{body *{visibility:hidden}.jf,.jf .document-panel,.jf .document-panel *{visibility:visible}.jf .sidebar,.jf .topbar,.jf .page-title,.jf .material-toolbar,.jf footer,.jf .toast{display:none!important}.jf .layout{display:block}.jf .content{padding:0}.jf .document-panel{position:absolute;left:0;top:0;width:100%;padding:0;border:0;box-shadow:none;background:white}.jf .lesson-table{min-width:0;font-size:9px}.jf th,.jf td{padding:6px}.jf .slide-card{break-inside:avoid;background:white;color:black;border:1px solid #ddd}.jf .slide-grid{display:block}.jf .slide-card{margin:15px 0}.jf .doc-section{break-inside:auto}}
@media(max-width:650px){.jf .hero{padding-bottom:175px;min-height:0}.jf .hero-foot{display:none}.jf .hero-visual{bottom:-3px;right:2px;height:175px}.jf .hero .actions{position:relative;z-index:2}}

.jf .tool-fields{margin:24px 0;padding:22px;background:#f3f0ff;border:1px solid #ded5f4;border-radius:18px}.jf .task-sheet{padding:24px;border:1px solid #dedee5;border-radius:14px;margin:18px 0;break-inside:avoid}.jf .answer-lines div{height:28px;border-bottom:1px solid #c8ced8}.jf .teacher-key{margin-top:20px;background:#f2f6f3;padding:12px}.jf .structured.metadata th{background:#416da0;color:white}.jf .structured.metadata td:first-child{font-weight:700;background:#f1f3f7}.jf .structured td{white-space:pre-wrap}.jf .task-sheet h3{white-space:pre-wrap}@media print{.jf .teacher-key{display:none}.jf .task-sheet{border:1px solid #aaa}}

.jf .arena-layout.team-layout{display:grid;grid-template-columns:minmax(220px,1fr) minmax(320px,1.8fr) minmax(220px,1fr);gap:14px;align-items:stretch}.jf .team-layout .players{display:contents}.jf .team-layout .game-stage-wrap{grid-column:2;grid-row:1;margin:0}.jf .team-layout .player-panel{margin:0;grid-row:1;padding:18px}.jf .team-layout .team-0{grid-column:1}.jf .team-layout .team-1{grid-column:3}.jf .team-layout .play-scene{height:100%;min-height:440px}.jf .team-layout .answers{grid-template-columns:1fr}@media(max-width:1150px){.jf .arena-layout.team-layout{grid-template-columns:1fr 1fr}.jf .team-layout .game-stage-wrap{grid-column:1 / -1;grid-row:1}.jf .team-layout .player-panel{grid-row:2}.jf .team-layout .team-1{grid-column:2}.jf .team-layout .play-scene{min-height:310px}}@media(max-width:600px){.jf .arena-layout.team-layout{display:block}.jf .team-layout .player-panel{margin-top:14px}}
/* Studio 2.0 */
.jf{--ink:#29243e;--muted:#817a94;--teal:#8052c9;--navy:#30204c;--line:#e7e1ef;--paper:#fbfaff}.jf .main{background:#f9f7fc}.jf .sidebar{background:#fff;border-color:#eee8f4}.jf .nav-item.active{background:#efe7fb;color:#7146b5}.jf .btn.primary{background:#8052c9;border-color:#8052c9;color:white}.jf .hero{background:linear-gradient(120deg,#2f1e4b,#5e3d87);color:white}.jf .hero h2{color:white}.jf .hero p{color:#e5d8f4}.jf .panel,.jf .material-card{border-color:#e7e0ef;box-shadow:0 8px 35px #34204a04}.jf .wallet-pill{border:1px solid #e3d7f6;background:#f0e9fb;border-radius:40px;color:#7347ba;font-weight:800;padding:10px 18px;cursor:pointer}.jf .wallet-hero{background:linear-gradient(115deg,#362151,#7143b2);border-radius:24px;color:white;display:flex;justify-content:space-between;align-items:center;padding:38px;gap:24px;margin-bottom:30px}.jf .wallet-hero .eyebrow{color:#d4bdeb}.jf .balance-big{font-size:54px;font-weight:850;letter-spacing:-2px}.jf .balance-big small{font-size:24px;letter-spacing:0}.jf .whatsapp{display:inline-flex;gap:10px;background:#1db66a;color:#fff;border:0;align-items:center;justify-content:center}.jf .wallet-hero p{color:#e2d4f5}.jf .plan-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin:28px 0}.jf .plan-card{padding:28px;background:#fff;border:1px solid #e3daec;border-radius:22px;position:relative}.jf .plan-card.featured{border:2px solid #9163d0;box-shadow:0 12px 32px #7542b515}.jf .plan-price{font-size:34px;font-weight:850;margin:24px 0}.jf .plan-price small{font-size:13px;color:#888096;font-weight:500}.jf .plan-card li{margin:13px 0;font-size:14px}.jf .plan-card ul{padding-left:19px;min-height:240px}.jf .plan-card .btn{width:100%;background:#f36f1b;border-color:#f36f1b;color:white}.jf .wallet-alert{text-align:center}.jf .wallet-alert .balance-big{margin:24px 0}.jf .wallet-alert p{line-height:1.65}.jf .auth-invite{text-align:center;padding:80px 25px;background:linear-gradient(145deg,#fff,#f0e7fa);border-radius:24px}.jf .lab-banner{display:grid;grid-template-columns:1fr 320px;background:linear-gradient(120deg,#31254c,#6c4d9b);padding:32px 40px;border-radius:24px;color:white;align-items:center;margin-bottom:28px}.jf .lab-banner h2{font-size:40px;color:white}.jf .lab-banner .eyebrow{color:#d8c3fb}.jf .lab-banner .aside-visual{height:230px}.jf .lab-cards{display:grid;grid-template-columns:repeat(5,1fr);gap:16px;margin:20px 0}.jf .lab-card{border:1px solid #e9e3f2;background:white;border-radius:18px;padding:16px;text-align:left;cursor:pointer;color:#33294a}.jf .lab-card:hover{transform:translateY(-3px);box-shadow:0 10px 30px #76519e1c}.jf .lab-card h3{font-size:16px;min-height:44px}.jf .lab-card p{font-size:12px}.jf .lab-card p svg{width:17px;vertical-align:middle}.jf .lab-card-visual{height:110px;display:flex;align-items:center;justify-content:center;background:radial-gradient(circle at 25% 20%,#f1e6ff,#b7a0df);border-radius:13px;position:relative;margin-bottom:20px}.jf .lab-card-visual span{font-size:43px;font-weight:800;color:#6a428a;text-shadow:2px 3px #fff7}.jf .lab-card-visual small{position:absolute;top:12px;left:14px;font-weight:600;color:#765795}.jf .lab-card-visual svg{width:60px;height:60px}.jf .geography .lab-card-visual{background:radial-gradient(circle,#d7f5e8,#7cbea9)}.jf .physics .lab-card-visual{background:radial-gradient(circle,#f8e9c9,#e1b875)}.jf .lab-detail{display:grid;grid-template-columns:1.2fr 1fr;gap:24px}.jf .lab-detail-scene{height:510px;background:#f5f5fb;border-radius:18px;overflow:hidden}.jf .lab-facts{display:grid;grid-template-columns:1fr 1fr;font-size:14px;gap:12px}.jf .lab-facts dt{color:#82778e}.jf .lab-facts dd{margin:0;font-weight:600;overflow-wrap:anywhere}.jf .element-badge{float:right;font-size:50px;background:#f2eafb;padding:10px 20px;border-radius:14px;color:#76509e}.jf .element-badge small{display:block;font-size:15px;text-align:center}.jf .formula{font-size:30px;font-weight:800;color:#7952a4}.jf .lab-detail li{line-height:1.65;margin:10px 0}.jf .number-pad{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-top:14px}.jf .number-pad button{min-height:54px;border:1px solid #e7e3ef;border-radius:12px;background:white;font:700 22px system-ui;color:#302b44;box-shadow:0 4px 8px #2424350b;cursor:pointer}.jf .number-pad .key-submit{background:#139ac9;color:white}.jf .number-pad .key-clear{background:#ee5149;color:white}.jf .type-answer{display:block;width:100%}.jf .type-answer input{font-size:28px;text-align:center;font-weight:800;padding:12px;width:100%}.jf .game-question{font-size:27px;line-height:1.4}.jf .player-panel.team-0{border-top:5px solid #179ff0}.jf .player-panel.team-1{border-top:5px solid #e8444e}.jf .team-layout .play-scene{min-height:550px}.jf .arena-layout{padding:15px;background:#eae8f2;border-radius:24px}.jf .game-stage-wrap{border-radius:18px;overflow:hidden}.jf .game-stage-wrap canvas{display:block}.jf .arena-overlay{font-size:11px}.jf .math-builder{max-width:850px}
@media(max-width:1300px){.jf .lab-cards{grid-template-columns:repeat(4,1fr)}.jf .plan-price{font-size:27px}.jf .plan-card{padding:22px}}@media(max-width:1000px){.jf .lab-cards{grid-template-columns:repeat(3,1fr)}.jf .plan-grid{grid-template-columns:1fr}.jf .plan-card ul{min-height:0}.jf .lab-detail{grid-template-columns:1fr}.jf .wallet-hero{align-items:flex-start}}@media(max-width:650px){.jf .lab-cards{grid-template-columns:repeat(2,1fr);gap:10px}.jf .lab-banner{grid-template-columns:1fr;padding:24px}.jf .lab-banner .aside-visual{display:none}.jf .lab-banner h2{font-size:32px}.jf .wallet-hero{display:block;padding:25px}.jf .balance-big{font-size:44px}.jf .lab-detail-scene{height:330px}.jf .wallet-pill{padding:8px;font-size:12px}.jf .number-pad button{min-height:48px}}
.jf .athlete-art{background-image:url(game-athletes.png);background-repeat:no-repeat;background-size:100% 200%;background-position:center top;min-height:230px}.jf .athlete-art.athlete-sack{background-position:center bottom}.jf .athlete-art .card-scene{opacity:0}.jf .athlete-art .game-tag,.jf .athlete-art .badge-3d{background:#20122fbf;color:white}.jf .athlete-avatar{display:inline-block;vertical-align:middle;width:54px;height:54px;border-radius:50%;background-image:url(game-athletes.png);background-size:190px 285px;background-position:-7px -5px;margin-right:10px;border:2px solid #f7e2a0}.jf .athlete-team-1{background-position:-107px -5px}.jf .player-heading h2{display:flex;align-items:center;font-size:18px}.jf .arena-layout.team-layout{grid-template-columns:minmax(200px,1fr) minmax(360px,2fr) minmax(200px,1fr)}@media(max-width:1150px){.jf .arena-layout.team-layout{grid-template-columns:1fr 1fr}}@media(max-width:600px){.jf .arena-layout.team-layout{display:block}}
/* Resources stay inside the five-column lesson template. */
.jf .resource-cell{white-space:normal;font-size:13px;overflow-wrap:anywhere}.jf .resource-cell>div{white-space:pre-line}.jf .resource-cell figure{margin:8px 0}.jf .resource-cell img{max-width:100%;height:auto;display:block;border-radius:4px}.jf .resource-cell figcaption{font-size:11px;line-height:1.4;margin-top:5px}.jf .resource-cell a{color:#116752;text-decoration:underline}.jf .resource-cell .resource-qr{width:144px;margin:8px auto;background:white;border-radius:0}.jf .resource-pending{color:#a34819;font-size:12px}.jf .lesson-table td:last-child{min-width:155px}.jf .resource-cell p{margin:8px 0}
.jf .slide-illustration{width:100%;max-height:300px;object-fit:contain;border-radius:14px;margin:16px 0;background:#e8efec}.jf .present-slide{max-height:70vh;overflow:auto}.jf .present-slide .slide-illustration{max-height:300px}
.jf .timer-orbit{width:245px;height:245px;position:relative;margin:24px auto}.jf .timer-orbit svg{width:100%;height:100%;transform:rotate(-90deg);fill:none;stroke:#e7e0f5;stroke-width:5}.jf .timer-orbit .timer-progress{stroke:#8957cf;stroke-linecap:round;stroke-dasharray:565;stroke-dashoffset:0;filter:drop-shadow(0 0 5px #b7a0de);transition:stroke-dashoffset 1s linear}.jf .timer-orbit .timer-display{position:absolute;inset:0;display:grid;place-items:center;margin:0;font-variant-numeric:tabular-nums;font-weight:600;font-size:48px}.jf .teams-output{position:relative;overflow:hidden;margin-top:24px}.jf .draw-stage{position:relative;min-height:320px;overflow:hidden;border-radius:22px;background:radial-gradient(ellipse at 50% 50%,#563e89,#19192d 75%);display:flex;flex-direction:column;align-items:center;justify-content:center;color:white;perspective:900px}.jf .draw-kicker{letter-spacing:.2em;font-size:11px;color:#d8caf1;z-index:2}.jf .draw-reel{font-size:clamp(25px,4vw,48px);font-weight:800;margin:30px 0;z-index:2;text-shadow:0 0 32px #ccb0ff;max-width:90%;overflow-wrap:anywhere}.jf .draw-stage p{z-index:2;color:#d8caf1}.jf .draw-orbit{position:absolute;inset:26px;border:1px solid #aa82ed66;border-radius:50%;box-shadow:0 0 28px #9163de44;animation:class-orbit 3s linear infinite}.jf .orbit-two{inset:54px 2px;animation-direction:reverse;border-color:#f0c87c55}.jf .draw-stars{position:absolute;inset:0;background-image:radial-gradient(#ddd1ff 1px,transparent 2px);background-size:41px 41px;opacity:.5;animation:class-stars 3s linear infinite}.jf .team-reveal-head{text-align:center;margin:25px 0}.jf .team-reveal-head>span{font-size:11px;color:#8052c9;letter-spacing:.19em}.jf .team-reveal-head h2{margin:8px}.jf .team-reveal-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:18px}.jf .team-reveal-card{border-radius:20px;overflow:hidden;background:white;border:1px solid hsl(var(--team-hue) 50% 86%);box-shadow:0 12px 35px #2712490c;animation:team-land .65s both;animation-delay:var(--delay)}.jf .team-reveal-card header{display:flex;align-items:center;gap:15px;padding:22px 18px;background:linear-gradient(130deg,hsl(var(--team-hue) 70% 94%),white)}.jf .team-number{font-size:36px;font-weight:800;color:hsl(var(--team-hue) 48% 47%)}.jf .team-reveal-card h3{margin:3px 0}.jf .team-reveal-card small{font-size:10px;letter-spacing:.15em}.jf .team-reveal-card ol{list-style:none;padding:6px 18px 20px;margin:0}.jf .team-reveal-card li{display:flex;align-items:center;gap:10px;padding:9px 0;overflow-wrap:anywhere;animation:name-land .4s both;animation-delay:var(--delay)}.jf .team-reveal-card li>span{width:31px;height:31px;flex-shrink:0;display:grid;place-items:center;border-radius:11px;background:hsl(var(--team-hue) 55% 94%);color:hsl(var(--team-hue) 45% 40%)}.jf .winner-reveal{text-align:center;padding:35px 15px;border-radius:22px;background:radial-gradient(ellipse at top,#fff1ca,#f0e8fc);animation:team-land .6s both}.jf .winner-reveal>span{font-size:11px;letter-spacing:.2em;color:#725097}.jf .winner-medal{font-size:72px;color:#c59a3c;text-shadow:0 5px 15px #c39a3b55;animation:medal-turn 1s both}.jf .winner-reveal h2{font-size:34px;overflow-wrap:anywhere}.jf .class-confetti{pointer-events:none;position:absolute;inset:0;overflow:hidden}.jf .class-confetti i{position:absolute;left:var(--x);top:-12px;width:8px;height:15px;background:hsl(var(--h) 80% 62%);animation:class-confetti 2.6s ease-out both;animation-delay:var(--delay)}
@keyframes class-orbit{to{transform:rotateY(360deg) rotateX(25deg)}}@keyframes class-stars{to{background-position:41px 82px}}@keyframes team-land{from{opacity:0;transform:perspective(900px) rotateX(-12deg) translateY(40px) scale(.94)}to{opacity:1;transform:none}}@keyframes name-land{from{opacity:0;transform:translateX(-18px)}to{opacity:1;transform:none}}@keyframes medal-turn{from{transform:scale(.2) rotate(-80deg)}to{transform:scale(1) rotate(0)}}@keyframes class-confetti{to{transform:translateY(640px) rotate(var(--r));opacity:0}}
@media(prefers-reduced-motion:reduce){.jf .draw-orbit,.jf .draw-stars,.jf .team-reveal-card,.jf .team-reveal-card li,.jf .winner-reveal,.jf .winner-medal{animation:none!important}.jf .timer-progress{transition:none!important}}
.jf .game-stage-wrap{box-shadow:inset 0 0 0 1px #fff8,0 16px 40px #342b4920}.jf .player-panel{transition:box-shadow .3s,transform .3s}.jf .player-panel:has(.feedback.good){box-shadow:0 0 0 2px #4eac81,0 12px 35px #4eac8130}.jf .feedback{animation:feedback-pop .45s both}.jf .finish-score{animation:score-pop .6s both}.jf .player-panel button{transition:transform .18s,box-shadow .18s,background .18s}.jf .player-panel button:hover{transform:translateY(-3px);box-shadow:0 7px 16px #473a5c14}.jf .player-panel button:active{transform:scale(.97)}@keyframes feedback-pop{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:none}}@keyframes score-pop{from{transform:scale(.75)}60%{transform:scale(1.08)}to{transform:scale(1)}}@media(prefers-reduced-motion:reduce){.jf .feedback,.jf .finish-score{animation:none}.jf .player-panel button{transition:none}}
/* 2.3 • live classroom and distinct creative spaces */
.jf .layout{--page-accent:#6856cb}.jf .layout[data-page=games]{--page-accent:#ba6a26}.jf .layout[data-page=labs]{--page-accent:#197b91}.jf .layout[data-page=media]{--page-accent:#a34c85}.jf .layout[data-page=live]{--page-accent:#4659bb}.jf .nav-item.active{box-shadow:inset 3px 0 var(--page-accent);color:var(--page-accent)}.jf .topbar{background:#fffc;backdrop-filter:blur(14px)}.jf .content{animation:studio-enter .35s ease-out}.jf .hero{background:#0a254c url(learning-world-v23.png) center/cover no-repeat;min-height:450px;isolation:isolate}.jf .hero:before{content:'';position:absolute;inset:0;background:linear-gradient(90deg,#06182cf5,#091e3990 48%,transparent 78%);z-index:-1}.jf .hero-visual{visibility:hidden}.jf .hero .hero-copy{max-width:620px;z-index:1}.jf .hero h2{font-size:clamp(32px,3.5vw,54px)}.jf .hero .hero-foot{color:#d6e5f5}.jf .hero .float-label{background:#0a294bbf;border:1px solid #d2ae6266;backdrop-filter:blur(12px);color:#f0dfb5}.jf .hero .label-one{animation:gentle-float 5s ease-in-out infinite}.jf .feature,.jf .game-card,.jf .lab-card{transition:transform .22s,box-shadow .22s}.jf .feature:hover,.jf .game-card:hover,.jf .lab-card:hover{transform:translateY(-5px);box-shadow:0 18px 42px #342b4920}.jf .feature:focus-visible,.jf .live-tool:focus-visible,.jf .journey-planet:focus-visible{outline:3px solid #e3b258;outline-offset:4px}.jf .layout[data-page=labs] .lab-banner{background:radial-gradient(ellipse at 95% 0%,#299db1,#102f4f 72%)}.jf .layout[data-page=media] .feature{background:linear-gradient(145deg,#fff,#f5eaf7)}.jf .layout[data-page=games] .main{background:radial-gradient(ellipse at 80% 0%,#ece5f9,transparent 50%),#faf8f5}.jf .kind-tabs{gap:8px}.jf .kind-tabs button.selected{box-shadow:0 5px 15px #7955c12b}.jf .btn{transition:transform .18s,box-shadow .18s}.jf .btn:hover{transform:translateY(-2px)}.jf .btn:active{transform:translateY(0)}
.jf .experience-banner{position:relative;display:flex;align-items:center;justify-content:space-between;overflow:hidden;padding:38px 42px;border-radius:26px;background:radial-gradient(ellipse at 80% 45%,#555dc1,#18264c 70%);color:white;margin-bottom:28px}.jf .experience-banner h2{color:white;font-size:38px;line-height:1.25;margin:15px 0}.jf .experience-banner p{color:#d6ddfa;max-width:480px}.jf .experience-banner .eyebrow{color:#f0d19a}.jf .experience-orb{height:190px;width:240px;display:grid;place-items:center;font-size:96px;color:#f6d58c;text-shadow:0 0 50px #efd5a8;position:relative;animation:gentle-float 5s ease-in-out infinite}.jf .experience-orb i{position:absolute;inset:0;border:1px solid #a5b1ff88;border-radius:50%;transform:rotate(-25deg) scaleY(.65);box-shadow:0 0 30px #8f9efe33}.jf .experience-orb i+i{transform:rotate(55deg) scaleY(.65)}.jf .live-tool-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-bottom:30px}.jf .live-tool{text-align:left;padding:26px 22px;border:1px solid #e2e3ef;background:linear-gradient(140deg,white,#f5f4fb);border-radius:22px;cursor:pointer;color:#292641;box-shadow:0 7px 25px #20294805;transition:.22s}.jf .live-tool:hover{transform:translateY(-7px);box-shadow:0 18px 36px #3b346b18;border-color:var(--accent)}.jf .live-tool-icon{display:grid;place-items:center;width:70px;height:70px;border-radius:22px;background:var(--accent);color:white;font-size:43px;box-shadow:inset 2px 2px 5px #fff6,0 10px 25px color-mix(in srgb,var(--accent),transparent 70%);margin-bottom:30px;transform:rotate(-8deg)}.jf .live-tool small{font-size:9px;letter-spacing:.12em;color:#78758d}.jf .live-tool h3{font-size:20px;margin:12px 0}.jf .live-tool p{font-size:13px;line-height:1.6;min-height:62px;color:#777187}.jf .live-tool b{color:var(--accent);font-size:13px}.jf .live-shortcuts{margin:0 0 24px;flex-wrap:wrap}.jf .live-layout{display:grid;grid-template-columns:300px minmax(0,1fr);gap:24px;align-items:start}.jf .live-controls{padding:25px;position:sticky;top:20px}.jf .live-controls h2{font-size:23px}.jf .live-controls .btn{width:100%;margin:7px 0;justify-content:center}.jf .live-controls .live-check{display:flex;align-items:center;gap:10px;font-size:13px}.jf .live-check input{width:auto}.jf .wheel-stage{position:relative;min-width:0;text-align:center;background:radial-gradient(ellipse at top,#293a67,#101c38);padding:22px 30px;border-radius:28px;color:white;overflow:hidden;box-shadow:0 18px 45px #19234826}.jf #name-wheel{width:100%;max-width:590px;display:block;margin:auto;filter:drop-shadow(0 15px 16px #0005)}.jf .wheel-center{position:absolute;top:min(calc((100vw - 680px) * .5 - 6px),282px);left:50%;transform:translate(-50%,-50%);background:radial-gradient(circle at 35% 30%,#fff5dd,#c2944a);color:#705729;border:5px solid #f8e1ab;width:64px;height:64px;border-radius:50%;display:none;place-items:center;font-size:30px;box-shadow:0 8px 20px #0006}.jf .wheel-pointer{position:absolute;left:50%;top:20px;transform:translateX(-50%);border-left:16px solid transparent;border-right:16px solid transparent;border-top:35px solid #fff0c1;z-index:1;filter:drop-shadow(0 4px 3px #0008)}.jf .wheel-result{font-size:25px;font-weight:700;overflow-wrap:anywhere;margin:10px 0;padding:18px;background:#ffffff0c;border:1px solid #ffffff19;border-radius:15px;color:#ffdf9c}.jf #wheel-history{display:flex;justify-content:center;flex-wrap:wrap;gap:8px;padding:0;list-style:none}.jf #wheel-history li{border-radius:20px;padding:6px 13px;background:#ffffff12;font-size:12px}.jf .winner-pop{animation:score-pop .6s ease-out}.jf .mystery-header{display:flex;justify-content:space-between;color:#7a62b5;margin:12px 0 22px;font-size:12px;letter-spacing:.12em}.jf .mystery-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.jf .mystery-card{position:relative;overflow:hidden;cursor:pointer;min-height:155px;display:flex;flex-direction:column;align-items:center;justify-content:center;border-radius:18px;border:1px solid #ffffff80;background:radial-gradient(circle at 35% 10%,hsl(var(--card-hue) 70% 67%),hsl(var(--card-hue) 45% 28%));box-shadow:inset 0 0 0 5px #ffffff10,0 9px 19px #301e571a;color:white;transition:transform .35s}.jf .mystery-card:hover{transform:perspective(800px) rotateY(-8deg) translateY(-5px)}.jf .mystery-card>span{font-size:26px;color:#f1d399}.jf .mystery-card>b{font-size:35px;line-height:1.4}.jf .mystery-card small{font-size:9px;letter-spacing:.18em}.jf .mystery-card.opened{opacity:.6;box-shadow:inset 0 0 0 3px #bfcbbc}.jf .question-reveal{background:white;border:1px solid #e5dcef;border-radius:20px;padding:30px;margin-top:22px;animation:studio-enter .35s}.jf .question-reveal>small{letter-spacing:.15em;color:#8768b5}.jf .question-reveal h2{font-size:27px;overflow-wrap:anywhere}.jf .question-reveal details{background:#f5f0fd;border-radius:13px;padding:15px}.jf .question-reveal summary{cursor:pointer;font-weight:700}.jf .score-arena{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:15px}.jf .score-lane{text-align:center;padding:25px 17px;border-radius:22px;background:linear-gradient(160deg,hsl(var(--card-hue) 50% 96%),white);border:1px solid hsl(var(--card-hue) 50% 84%)}.jf .score-emblem{display:inline-grid;place-items:center;height:70px;width:70px;border-radius:50%;font-size:36px;color:white;background:linear-gradient(140deg,hsl(var(--card-hue) 65% 70%),hsl(var(--card-hue) 55% 40%));box-shadow:0 12px 25px hsl(var(--card-hue) 60% 80% / .6)}.jf .score-lane h3{overflow-wrap:anywhere}.jf .score-lane>b{font-size:62px;display:block;color:hsl(var(--card-hue) 40% 42%);font-variant-numeric:tabular-nums}.jf .score-lane .actions{justify-content:center}.jf .score-track{height:7px;background:#eae6f1;border-radius:10px;margin:15px 0 25px;overflow:hidden}.jf .score-track i{display:block;height:100%;background:hsl(var(--card-hue) 60% 60%);border-radius:10px;transition:width .5s}.jf #score-podium{margin-top:25px}.jf .whiteboard{padding:20px;border:1px solid #e4deef;border-radius:22px;background:#fff}.jf .board-toolbar{display:flex;gap:14px;align-items:end;flex-wrap:wrap}.jf .board-toolbar label{margin:0;flex:1;min-width:90px}.jf .board-toolbar input[type=color]{width:55px;height:42px;padding:4px}.jf .board-toolbar input[type=range]{max-width:120px}.jf #whiteboard{display:block;width:100%;height:auto;border:1px solid #ddd7eb;border-radius:12px;touch-action:none;cursor:crosshair;background:white}.jf .journey-space{position:relative;isolation:isolate;overflow:hidden;border-radius:28px;background:radial-gradient(ellipse at 60% 70%,#403683,#10142e 75%);color:white;min-height:400px;padding:35px}.jf .journey-stars{position:absolute;inset:0;z-index:-1;background-image:radial-gradient(#c9d1f9 1px,transparent 1.5px),radial-gradient(#ffffff77 1px,transparent 1.5px);background-size:57px 69px,109px 107px;background-position:0 0,20px 43px;opacity:.5}.jf .journey-space header{text-align:center;max-width:720px;margin:auto}.jf .journey-space header span{font-size:11px;letter-spacing:.16em;color:#d6c1f5}.jf .journey-space h2{color:white;font-size:30px}.jf .journey-space p{color:#c0bcda}.jf .journey-map{position:relative;display:grid;grid-template-columns:repeat(auto-fit,minmax(110px,1fr));gap:18px;padding:30px 0 50px;align-items:start}.jf .journey-planet{position:relative;display:flex;flex-direction:column;align-items:center;gap:11px;background:none;border:0;color:#e5e6ff;cursor:pointer;padding:var(--rise) 0 0;min-width:0}.jf .planet-ball{width:80px;height:80px;border-radius:50%;display:grid;place-items:center;background:radial-gradient(circle at 30% 25%,hsl(var(--planet-hue) 85% 80%),hsl(var(--planet-hue) 65% 46%) 48%,hsl(var(--planet-hue) 65% 14%) 90%);box-shadow:inset -8px -5px 18px #0005,0 0 35px hsl(var(--planet-hue) 70% 55% / .25);font-size:28px;font-weight:800;color:white;transition:transform .3s}.jf .journey-planet:hover .planet-ball,.jf .journey-planet.active .planet-ball{transform:scale(1.12);outline:2px solid #e7d8ac;outline-offset:7px}.jf .journey-planet.complete .planet-ball{box-shadow:0 0 0 3px #78dab5,0 0 30px #5ed7a677}.jf .journey-planet b{font-size:13px;line-height:1.45;overflow-wrap:anywhere}.jf .journey-planet small{font-size:11px;color:#c6bddc}.jf .journey-activity{margin-top:24px;animation:studio-enter .3s}.jf .journey-activity>h2{font-size:29px}.jf .journey-columns{display:grid;grid-template-columns:1.3fr 1fr;gap:30px;margin-bottom:25px}.jf .journey-columns .prose{line-height:1.8}.jf .journey-columns details{border-top:1px solid #e4dfee;padding-top:15px;margin-top:22px}.jf .journey-columns summary{cursor:pointer;color:#7854a8}.jf .journey-columns aside{border-radius:16px;padding:20px;background:#f5f3fa}.jf .journey-columns img{max-height:340px;object-fit:contain;margin:auto}.jf .diffusion-link{display:flex;justify-content:space-between;align-items:center;gap:25px;margin:25px 0;border-left:4px solid #2994a5}.jf .diffusion-link h2{font-size:23px;margin:10px 0}.jf .diffusion-stage{overflow:hidden;border-radius:22px;background:#10172e;color:white}.jf .diffusion-stage canvas{width:100%;display:block}.jf .diffusion-heading{padding:20px;display:flex;justify-content:space-between;gap:15px;font-size:12px;letter-spacing:.06em}.jf .diffusion-heading span{color:#63d8d4}.jf .diff-stats{padding:20px;font-size:13px;line-height:1.8;color:#c4d8f2}
@keyframes studio-enter{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}@keyframes gentle-float{50%{transform:translateY(-9px)}}
@media(min-width:1500px){.jf .wheel-center{display:grid;top:317px}}
@media(max-width:1200px){.jf .live-tool-grid{grid-template-columns:repeat(2,1fr)}.jf .live-layout{grid-template-columns:260px minmax(0,1fr)}.jf .score-arena{grid-template-columns:repeat(2,1fr)}.jf .mystery-grid{grid-template-columns:repeat(3,1fr)}}
@media(max-width:850px){.jf .live-layout{grid-template-columns:1fr}.jf .live-controls{position:static}.jf .experience-banner{padding:28px}.jf .experience-banner h2{font-size:30px}.jf .experience-orb{width:130px;height:130px;font-size:65px}.jf .journey-columns{grid-template-columns:1fr}.jf .wheel-center{display:none}.jf .hero{background-position:65% center}}
@media(max-width:550px){.jf .live-tool-grid{grid-template-columns:1fr 1fr;gap:10px}.jf .live-tool{padding:18px 13px}.jf .live-tool h3{font-size:17px}.jf .live-tool small{font-size:8px}.jf .live-tool p{font-size:12px;min-height:76px}.jf .live-tool-icon{height:53px;width:53px;font-size:32px;margin-bottom:20px}.jf .experience-orb{display:none}.jf .experience-banner h2{font-size:28px}.jf .mystery-grid{grid-template-columns:repeat(3,1fr);gap:9px}.jf .mystery-card{min-height:115px}.jf .score-arena{grid-template-columns:1fr 1fr;gap:10px}.jf .score-lane{padding:20px 10px}.jf .journey-space{padding:24px 14px}.jf .journey-map{grid-template-columns:repeat(3,1fr);gap:14px}.jf .planet-ball{height:62px;width:62px}.jf .journey-planet{padding-top:15px}.jf .journey-space h2{font-size:23px}.jf .diffusion-link{display:block}.jf .wheel-stage{padding:20px 10px}.jf .wheel-result{font-size:20px}}
@media(prefers-reduced-motion:reduce){.jf .content,.jf .experience-orb,.jf .hero .label-one,.jf .winner-pop,.jf .question-reveal,.jf .journey-activity{animation:none!important}.jf .feature,.jf .game-card,.jf .lab-card,.jf .btn,.jf .live-tool,.jf .mystery-card,.jf .planet-ball,.jf .score-track i{transition:none!important}}
@media print{.jf .journey-space,.jf .live-controls,.jf .board-toolbar{display:none}.jf .whiteboard{border:0;padding:0}.jf #whiteboard{border:0}}
.jf .starter-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}.jf .starter-card{border:1px solid #e5e0ee;border-radius:23px;overflow:hidden;background:white;box-shadow:0 7px 28px #2b234709;transition:transform .2s}.jf .starter-card:hover{transform:translateY(-5px)}.jf .starter-art{height:180px;position:relative;display:grid;place-items:center;overflow:hidden;background:radial-gradient(ellipse at 30% 0%,hsl(var(--card-hue) 80% 82%),hsl(var(--card-hue) 48% 38%))}.jf .starter-art:before,.jf .starter-art:after{content:'';width:160px;height:160px;position:absolute;border:1px solid #ffffff40;border-radius:50%;transform:rotateX(50deg) rotateZ(30deg);inset:20px 5px auto auto}.jf .starter-art:after{width:250px;height:250px;inset:-30px auto auto -50px}.jf .starter-art>span{font-size:75px;font-weight:800;color:white;text-shadow:1px 3px 0 #ffffff88,3px 6px 0 #0002,0 17px 20px #0003;transform:rotate(-8deg);z-index:1}.jf .starter-art small{position:absolute;bottom:12px;left:15px;padding:5px 12px;border-radius:20px;background:#ffffffdf;color:#3a3545;font-size:11px}.jf .starter-body{padding:25px}.jf .starter-body h2{font-size:22px;line-height:1.35}.jf .starter-body p{font-size:14px;color:#81758b;line-height:1.7;min-height:70px}.jf .starter-body .eyebrow{font-size:9px}.jf .feedback.good{background:#e8f7ed;color:#187746;border-left:3px solid #36a56d}.jf .feedback.review{background:#fff4df;color:#815826}.jf .player-panel:has(.feedback.good){animation:correct-glow .75s ease-out}@keyframes correct-glow{50%{box-shadow:0 0 0 4px #5fbf9670,0 0 40px #4bb48640}}@media(max-width:1100px){.jf .starter-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:550px){.jf .starter-grid{grid-template-columns:1fr}.jf .starter-body p{min-height:0}}@media(prefers-reduced-motion:reduce){.jf .starter-card{transition:none}.jf .player-panel:has(.feedback.good){animation:none}}
.jf .game-art.athlete-art{background-image:url(game-athletes.png);background-repeat:no-repeat;background-size:100% 200%;background-position:center top}.jf .game-art.athlete-sack{background-position:center bottom}.jf .wheel-center{display:none!important}.jf .sidebar nav{min-height:0;overflow-y:auto;scrollbar-width:thin}.jf .sidebar .side-bottom{flex-shrink:0}
/* v2.4 · ink, cobalt and coral studio */
.jf{--ink:#16243d;--muted:#68748d;--teal:#304deb;--teal-dark:#2137ba;--gold:#ffb065;--line:#dfe6f2;--cream:#f2f5fb;--white:#fff;--shadow:0 20px 55px #162b6310;background:linear-gradient(155deg,#f7f9ff,#edf2fa 65%,#f6f8ff);color:var(--ink)}
.jf .layout{--page-accent:#304deb}.jf .layout[data-page=games]{--page-accent:#dd724c}.jf .layout[data-page=labs]{--page-accent:#1399a7}.jf .layout[data-page=media]{--page-accent:#9b62d1}.jf .layout[data-page=live]{--page-accent:#3b63e6}
.jf .sidebar{background:linear-gradient(180deg,#0e1a36,#121d40 62%,#182350);border:0;color:#e5ebff;box-shadow:12px 0 50px #132a5322}.jf .brand,.jf .nav-item,.jf .sidebar .profile{color:#dbe5ff}.jf .brand b{color:#a4cbff}.jf .brand small,.jf .side-label,.jf .profile small{color:#9caaca}.jf .nav-item:hover{background:#ffffff14;color:#fff}.jf .nav-item.active{background:linear-gradient(100deg,#3356ef,#4275f2);color:white;box-shadow:0 9px 22px #07163677;border-radius:13px}.jf .side-note{background:#ffffff0b;border-color:#ffffff27;color:#eef4ff}.jf .side-note p{color:#b2c3df}.jf .profile{border-color:#ffffff27}.jf .avatar{background:linear-gradient(145deg,#ef8d61,#fac07d);color:#24304a}
.jf .topbar{background:#ffffffd7;border-bottom-color:#dbe3f1;box-shadow:0 6px 25px #1b36520a}.jf .top-status{color:#647ca3}.jf .language{background:#f1f4ff;border-radius:999px;color:#4156a0}.jf .content{max-width:1600px;padding:39px clamp(20px,4vw,62px) 65px}.jf .page-title h1{font-weight:800;font-size:clamp(29px,3vw,42px);letter-spacing:-.055em}.jf .page-title p,.jf .section-head p{color:#657591}
.jf .hero{border-radius:30px;background:#101b3e url(learning-world-v23.png) center/cover no-repeat;min-height:470px;box-shadow:0 28px 70px #16305b2b}.jf .hero:before{background:linear-gradient(90deg,#10172af5,#151e43c9 54%,#20295b2b 100%)}.jf .hero h2{font-weight:800;letter-spacing:-.05em}.jf .hero h2 em{color:#ffa868}.jf .hero .pill{border-radius:50px;background:#b9caff21}.jf .hero .float-label{background:#17284fc2;border-color:#9db8ff55;color:#dce8ff;border-radius:12px}
.jf .btn{border-radius:12px;font-weight:700}.jf .primary{background:linear-gradient(110deg,#304feb,#5974f6);box-shadow:0 9px 22px #2945d543}.jf .primary:hover{background:#2137ba}.jf .gold{background:linear-gradient(120deg,#ffbc77,#ff855d);color:#2e2533;box-shadow:0 9px 22px #ff936337}.jf .secondary{background:#fff;border-color:#dce4f1}.jf .btn:hover{transform:translateY(-2px)}.jf .wallet-pill{background:#eaf0ff;color:#2345c2;border:1px solid #bbcdfa;border-radius:999px;font-weight:800}
.jf .feature,.jf .game-card,.jf .lab-card,.jf .panel,.jf .material-card,.jf .starter-card,.jf .document-panel{background:#fff;border:1px solid #e0e7f3;border-radius:23px;box-shadow:0 10px 36px #1832610c}.jf .feature:hover,.jf .game-card:hover,.jf .lab-card:hover{box-shadow:0 24px 45px #1f3e7526;transform:translateY(-7px)}.jf .game-card{overflow:hidden}.jf .game-art{background:radial-gradient(circle at 35% 20%,#344e82,#102344 75%);height:210px}.jf .game-art.athlete-art{background-image:none}.jf .game-tag,.jf .badge-3d{background:#111e3fbe;color:#fff;border:1px solid #c6d8fb55;backdrop-filter:blur(10px)}.jf .card-scene{position:absolute;inset:0}.jf .lab-card-visual{background:linear-gradient(145deg,#dce9ff,#f0f4ff);color:#3452ad}.jf .lab-card.astronomy .lab-card-visual{background:linear-gradient(140deg,#101c43,#395499);color:#ffc174}.jf .lab-card.anatomy .lab-card-visual{background:linear-gradient(145deg,#ffe8dc,#ffeefa);color:#d2737d}.jf .lab-card.history .lab-card-visual{background:linear-gradient(145deg,#fee7ca,#f8eedb);color:#966234}.jf .lab-detail-scene{border-radius:18px;overflow:hidden;min-height:430px;touch-action:none}.jf .lab-banner{background:radial-gradient(circle at 75% 20%,#2f6d9b,#0e2549 70%);border-radius:26px}.jf .wallet-hero{background:linear-gradient(120deg,#17264d,#3b55b3);border-radius:22px}.jf .modal{border-radius:22px;box-shadow:0 35px 100px #0c214464}
@media(max-width:850px){.jf .hero{min-height:420px}.jf .content{padding:22px 16px}.jf .lab-detail-scene{min-height:320px}}
@media(prefers-reduced-motion:reduce){.jf .btn,.jf .game-card,.jf .lab-card,.jf .feature{transition:none!important}}

.jf .game-art.athlete-art{background-image:url(game-athletes.png);background-size:100% 200%;background-repeat:no-repeat}.jf .athlete-art .card-scene{opacity:1}

.jf .lab-switch{display:block;margin:0 0 24px;font-weight:750;color:#304deb}.jf .lab-switch select{display:block;margin-top:8px;width:100%;border:1px solid #d9e4f5;border-radius:12px;padding:11px 12px;color:#16243d;background:#f7f9ff}
.jf .game-card .btn.primary,.jf .lab-detail .btn.primary,.jf .wallet-hero .btn.primary,.jf .feature .primary{background:linear-gradient(110deg,#3153e9,#5779f5);color:white;box-shadow:0 9px 24px #2946d538}.jf .game-card .btn.primary:hover,.jf .lab-detail .btn.primary:hover{background:#2340ca}.jf .answer-btn:hover{border-color:#7e9dfa;background:#f0f5ff}.jf .answer-btn:focus-visible{outline-color:#4269f6}.jf .progress span{background:linear-gradient(90deg,#5278f4,#31bcce)}.jf .game-stage-wrap{border-radius:24px;overflow:hidden;box-shadow:0 20px 58px #132b6d2b}
/* 2.5 subject-first laboratory, explicit 3D controls, and language picker */
.jf select.language{appearance:auto;cursor:pointer;background:#fffefb;padding:6px 9px;border:1px solid var(--line);border-radius:7px;color:var(--ink);font-size:10px;font-weight:700;letter-spacing:.03em}
.jf .lab-subject-pills{display:flex;gap:8px;flex-wrap:wrap;margin:18px 0 14px}
.jf .lab-subject-pill{min-height:38px;padding:8px 13px;border:1px solid var(--line);border-radius:999px;background:var(--white);color:var(--ink);font-size:11px;font-weight:600;transition:transform .18s,border-color .18s,background .18s}
.jf .lab-subject-pill:hover{transform:translateY(-1px);border-color:#8eb4a7}
.jf .lab-subject-pill.active{background:linear-gradient(110deg,#174953,#188273);border-color:transparent;color:white;box-shadow:0 5px 18px #123c4426}
.jf .lab-groups{display:grid;gap:26px;margin-top:14px}
.jf .lab-subject-group{padding:18px;border:1px solid var(--line);border-radius:14px;background:linear-gradient(145deg,#fffefb,#f5f7ef);box-shadow:var(--shadow)}
.jf .lab-subject-group>header{display:flex;align-items:flex-end;justify-content:space-between;gap:12px;margin:0 2px 13px}
.jf .lab-subject-group>header h2{font-size:20px}
.jf .lab-group-count{font-size:11px;color:var(--muted);border:1px solid var(--line);background:#fff;border-radius:999px;padding:5px 10px}
.jf .lab-subject-group .lab-cards{margin:0;gap:12px}
.jf .lab-subject-group .lab-card{min-width:0}
.jf .lab-viewer-panel{overflow:hidden;background:linear-gradient(145deg,#102c37,#153e49);color:#edf7ed;border:1px solid #b8d1c52e}
.jf .lab-viewer-panel .lab-detail-scene{height:485px;min-height:320px;border:1px solid #bdd7d01c;border-radius:12px;background:radial-gradient(ellipse at 52% 55%,#214f59 0,#102b3a 68%,#0d2531 100%);overflow:hidden;touch-action:none}
.jf .lab-viewer-panel .muted{color:#bfd0c5;font-size:11px;margin-top:10px}
.jf .lab-zoom{display:grid;grid-template-columns:1fr auto;align-items:center;gap:7px 14px;margin-top:14px;color:#e6f2e7;font-size:12px;font-weight:600}
.jf .lab-zoom output{color:#e6c87c;font-variant-numeric:tabular-nums}
.jf .lab-zoom input{grid-column:1/-1;width:100%;accent-color:#e6c87c}
.jf .lab-switch{display:block;margin-bottom:11px;font-weight:600;color:var(--ink)}
.jf .lab-switch select{display:block;width:100%;margin-top:5px}
.jf .lab-detail>.panel:not(.lab-viewer-panel){display:flex;flex-direction:column;align-items:flex-start;gap:10px}
.jf .lab-detail>.panel:not(.lab-viewer-panel) .lab-switch{width:100%}
@media(max-width:950px){.jf .lab-subject-group .lab-cards{grid-template-columns:repeat(2,minmax(0,1fr))}.jf .lab-viewer-panel .lab-detail-scene{height:380px}}
@media(max-width:620px){.jf .lab-subject-group{padding:12px}.jf .lab-subject-group .lab-cards{grid-template-columns:1fr 1fr;gap:8px}.jf .lab-subject-pill{font-size:10px;padding:7px 10px}.jf .lab-viewer-panel .lab-detail-scene{height:310px}.jf .lab-subject-group>header h2{font-size:17px}}
/* Provider integrations and subject-specific interactive libraries. */
.jf .game-poster{position:absolute;inset:0;overflow:hidden;background:#18314a}
.jf .game-poster svg{display:block;width:100%;height:100%;filter:saturate(1.05)}
.jf .game-art{isolation:isolate}
.jf .game-art .game-poster{z-index:0}
.jf .game-art .game-tag,.jf .game-art .badge-3d{z-index:2}
.jf .game-poster:after{content:'';position:absolute;inset:0;background:linear-gradient(90deg,#102b3b13,transparent 65%,#fff1 100%);pointer-events:none}
.jf .game-card{transform:translateZ(0)}
.jf .external-panel,.jf .external-lab{display:grid;grid-template-columns:minmax(240px,.9fr) minmax(300px,1.1fr);gap:18px 25px;margin:22px 0;padding:26px;overflow:hidden}
.jf .external-panel-copy h2{font-size:25px;margin:6px 0 10px;color:#193d50}
.jf .external-panel-copy p{font-size:12px;color:#738493;margin-top:9px;max-width:640px}
.jf .external-form{display:grid;gap:11px;align-content:start}
.jf .external-form label{font-size:11px;font-weight:650;display:grid;gap:6px}
.jf .external-form input,.jf .external-form textarea,.jf .external-form select{width:100%;border:1px solid #dbe3eb;background:#fff;border-radius:9px;padding:11px 12px;color:#263c4c;font-size:12px}
.jf .external-form textarea{resize:vertical;min-height:76px}
.jf .external-form p{font-size:11px;line-height:1.55;margin:0}
.jf .external-form .actions{gap:8px}
.jf .auth-inline{align-self:center;background:#f5f7fb;padding:18px;border-radius:14px;font-size:12px}
.jf .auth-inline .btn{margin-top:12px}
.jf .external-frame{position:relative;grid-column:1/-1;min-height:240px;height:min(57vw,560px);background:linear-gradient(145deg,#102846,#1c4360);border:1px solid #cdd9e6;border-radius:15px;overflow:hidden;isolation:isolate}
.jf .external-frame iframe{display:block;width:100%;height:100%;min-height:240px;border:0;background:#101f35}
.jf .embed-empty{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;padding:22px;color:#e8f0f5;text-align:center;background:radial-gradient(ellipse at 50% 42%,#30617b,#102740 70%)}
.jf .embed-empty>span{font-size:36px;font-weight:800;line-height:1;color:#f1cb78;text-shadow:0 0 28px #f1cb785c}
.jf .embed-empty>b{font-size:17px}
.jf .embed-empty>small{max-width:460px;color:#bfd0df;font-size:11px}
.jf .provider-source{display:inline-flex;grid-column:1/-1;margin-top:-8px;font-size:11px;font-weight:700;color:#356995;text-decoration:underline!important}
.jf .library-links{display:flex;grid-column:1/-1;gap:10px;flex-wrap:wrap}
.jf .external-model-picks,.jf .simulation-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
.jf .external-model-card,.jf .simulation-card{display:grid;gap:8px;align-content:center;min-height:104px;padding:15px;text-align:left;border:1px solid #dbe4e9;border-radius:12px;background:linear-gradient(145deg,#f7fbff,#eef4f7);color:#203e50;transition:transform .2s,border-color .2s,box-shadow .2s}
.jf .external-model-card:hover,.jf .simulation-card:hover{transform:translateY(-2px);border-color:#78b5b8;box-shadow:0 9px 24px #19435c12}
.jf .external-model-card b,.jf .simulation-card b{font-size:14px}
.jf .external-model-card small,.jf .simulation-card small{font-size:10px;color:#487d85}
.jf .simulation-card span{font-size:9px;letter-spacing:1.2px;text-transform:uppercase;color:#8795a1}
.jf .external-lab{grid-template-columns:1fr 1fr}
.jf .external-lab .external-panel-copy{grid-column:1/-1}
.jf .sketchfab-form{grid-column:1/-1;grid-template-columns:1.3fr 1fr auto;align-items:end}
.jf .sketchfab-form p{grid-column:1/-1}
.jf .external-lab .model-frame{height:430px;min-height:260px}
.jf .external-lab .phet-frame{height:550px;min-height:300px}
.jf .external-lab #phet-status{grid-column:1/-1}
.jf .external-lab .library-links .btn{min-height:38px}
.jf .athlete-avatar{position:relative;overflow:hidden;background:radial-gradient(circle at 36% 28%,#4db8ae,#115b66 64%,#123a54)!important;background-image:none!important;border:2px solid #e7c77e!important;box-shadow:0 5px 13px #123a5433}
.jf .athlete-team-1{background:radial-gradient(circle at 36% 28%,#f49b6d,#a34349 64%,#643550)!important}
.jf .athlete-avatar:after{content:'✦';position:absolute;inset:0;display:grid;place-items:center;color:#fff5d7;font-size:22px;text-shadow:0 2px 5px #17233e66}
@media(max-width:850px){.jf .external-panel{grid-template-columns:1fr}.jf .external-lab{grid-template-columns:1fr}.jf .external-lab .external-panel-copy{grid-column:auto}.jf .external-lab .external-frame{grid-column:auto}.jf .external-lab #phet-status{grid-column:auto}.jf .sketchfab-form{grid-template-columns:1fr}.jf .sketchfab-form p{grid-column:auto}.jf .external-frame{height:430px}}
@media(max-width:620px){.jf .external-panel,.jf .external-lab{padding:18px;gap:14px;margin:16px 0}.jf .external-model-picks,.jf .simulation-grid{grid-template-columns:1fr 1fr;gap:8px}.jf .external-model-card,.jf .simulation-card{min-height:96px;padding:12px}.jf .external-frame,.jf .external-lab .model-frame{height:330px;min-height:230px}.jf .external-lab .phet-frame{height:390px;min-height:260px}.jf .library-links .btn{width:100%}}
/* JANAFORMAT 2.7: cinematic game scenes and subject-based 3D explorer */
.jf .cinematic-poster{height:220px;position:relative;overflow:hidden;background-image:var(--worlds);background-size:200% 200%;background-position:0 0;isolation:isolate}.jf .world-stadium{background-position:100% 0}.jf .world-ocean{background-position:0 100%}.jf .world-space{background-position:100% 100%}.jf .poster-person{position:absolute;width:44%;height:95%;bottom:0;background-image:var(--characters);background-size:200% 300%;background-position:0 var(--sprite-row);background-repeat:no-repeat;filter:drop-shadow(0 9px 7px #0008);z-index:2;left:5%}.jf .poster-person.red{left:auto;right:5%;background-position:100% var(--sprite-row)}.jf .poster-symbol{position:absolute;inset:0;display:grid;place-items:center;font-size:75px;color:#fff0cf;text-shadow:0 4px 30px #000;z-index:2}.jf .cinematic-game-canvas{width:100%;height:100%;display:block}.jf .play-scene{min-height:410px;background:#082330}.jf .game-stage-wrap{overflow:hidden;border:1px solid #31495a;border-radius:22px}.jf .game-card{overflow:hidden;border-radius:22px;box-shadow:0 8px 30px #193e5210}.jf .game-art{padding:0!important}.jf .external-games-details{border:1px solid #dce5e5;border-radius:16px;margin-bottom:22px;background:#fff}.jf .external-games-details>summary{padding:16px;color:#227783;cursor:pointer;font-size:13px}.jf .external-games-details .panel{border:0;box-shadow:none}
.jf .lab-breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:9px;margin:18px 0;color:#637d87;font-size:13px}.jf .lab-breadcrumb button{border:0;background:none;color:#227783;cursor:pointer;padding:5px}.jf .lab-library-hero{padding:38px;border-radius:26px;background:radial-gradient(at 95% 15%,#22616a,transparent 50%),#102b3b;color:#f7f7ee;overflow:hidden;position:relative}.jf .lab-library-hero:after{content:'360°';position:absolute;right:50px;top:30px;width:170px;height:170px;border:1px solid #64aaa880;border-radius:50%;display:grid;place-items:center;font-size:38px;color:#dabe84;box-shadow:0 0 0 24px #8afaf90a,0 0 0 48px #8afaf905;pointer-events:none}.jf .lab-library-hero h2{color:#fff;font-size:clamp(28px,4vw,45px);letter-spacing:-1.5px;margin:12px 0;max-width:65%}.jf .lab-library-hero p{color:#bcd4d6;max-width:65%}.jf .lab-kicker{font-size:10px;font-weight:800;letter-spacing:2px;color:#b38b4f}.jf .lab-library-hero .lab-kicker{color:#e3bd77}.jf .lab-library-metrics{display:flex;gap:30px;margin-top:28px}.jf .lab-library-metrics span{display:flex;flex-direction:column;gap:5px;color:#bcd4d6;font-size:12px}.jf .lab-library-metrics b{font-size:29px;color:#fff}.jf .lab-find-bar{margin:24px 0}.jf .lab-find-bar input{width:100%;padding:14px;border:1px solid #cbd8d9;border-radius:12px;background:#fff}.jf .lab-section-heading{display:flex;justify-content:space-between;align-items:center;gap:12px;margin:28px 0 15px}.jf .lab-section-heading h3{margin:0;font-size:22px}.jf .lab-section-heading span{font-size:12px;color:#63808a}.jf #lab-content>h3{margin:28px 0 16px}.jf .lab-subject-grid,.jf .lab-topic-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.jf .lab-subject-tile,.jf .lab-topic-tile{border:1px solid #dce5e5;border-radius:20px;background:#fff;text-align:left;padding:0;overflow:hidden;cursor:pointer;position:relative;box-shadow:0 5px 16px #102b3b08}.jf .lab-subject-tile:hover,.jf .lab-topic-tile:hover,.jf .real-model-card:hover{border-color:#689ba1}.jf .subject-cover{height:160px;background:#102b3b;overflow:hidden}.jf .subject-cover img{width:100%;height:100%;object-fit:cover}.jf .lab-subject-tile h3,.jf .lab-topic-tile h3{padding:0 20px;margin:20px 0 10px;font-size:19px}.jf .lab-subject-tile p,.jf .lab-topic-tile p{padding:0 20px 15px;color:#66808a;font-size:12px}.jf .real-model-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}.jf .real-model-card{border:1px solid #dce5e5;border-radius:18px;background:#fff;overflow:hidden;min-width:0}.jf .real-model-link{border:0;padding:0;background:none;text-align:left;width:100%;height:100%;cursor:pointer}.jf .real-model-art{height:175px;background:#112b38;position:relative}.jf .real-model-art img{width:100%;height:100%;object-fit:contain}.jf .real-model-art>span:not(.lab-cover-symbol){position:absolute;bottom:8px;left:10px;border-radius:6px;padding:5px 7px;background:#102b3bdd;color:#eee7c4;font-size:9px;letter-spacing:1px}.jf .lab-cover-symbol{display:grid;place-items:center;width:100%;height:100%;font-size:55px;color:#f0c785}.jf .real-model-copy{padding:17px}.jf .real-model-copy small{color:#227783;font-size:10px}.jf .real-model-copy h3{font-size:16px;line-height:1.4;margin:8px 0;overflow-wrap:anywhere}.jf .real-model-copy p{font-size:12px;color:#6a828a;line-height:1.6;max-height:58px;overflow:hidden}.jf .real-model-copy b{font-size:12px;color:#227783}.jf .lab-load-more{display:block;margin:25px auto}.jf .lab-source-note{margin:30px 0;padding:20px;border:1px solid #dce5e5;border-radius:16px;font-size:12px;color:#64808a}.jf .lab-source-note summary{cursor:pointer;font-weight:700}.jf .lab-object-title{display:flex;align-items:center;justify-content:space-between;gap:16px;margin:20px 0}.jf .lab-object-title h2{font-size:28px;margin:10px 0;overflow-wrap:anywhere}.jf .lab-workbench{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:20px;align-items:start}.jf .lab-view-stage{background:#102b3b;border-radius:22px;overflow:hidden;color:#dbe8e9;min-width:0}.jf .lab-view-topline{display:flex;align-items:center;justify-content:space-between;padding:14px 18px;font-size:10px;letter-spacing:1px}.jf .lab-view-topline button{background:#ffffff12;color:#fff;border:0;border-radius:7px;font-size:22px;cursor:pointer}.jf .real-model-viewer{height:540px;position:relative;overflow:hidden;background:#091d2a}.jf .real-model-viewer iframe,.jf .real-model-viewer canvas{width:100%;height:100%;border:0;display:block}.jf .real-model-viewer>img{width:100%;height:100%;object-fit:contain}.jf .lab-view-controls{display:flex;gap:7px;flex-wrap:wrap;padding:14px}.jf .lab-view-controls button{border:1px solid #47616c;border-radius:8px;background:#ffffff0b;color:#dbe8e9;padding:9px 12px;font-size:12px;cursor:pointer}.jf .lab-view-controls button[aria-pressed=true]{background:#e3bd77;color:#102b3b}.jf .lab-view-controls button[hidden]{display:none}.jf .model-status{font-size:12px;color:#adcad0;padding:0 18px}.jf .model-credit{border-top:1px solid #ffffff18;padding:16px 18px;display:flex;flex-wrap:wrap;gap:12px;font-size:11px;line-height:1.6}.jf .model-credit a{color:#efd19a}.jf .lab-parts-panel{border:1px solid #dce5e5;border-radius:22px;background:#fff;padding:23px;min-width:0}.jf .lab-parts-panel h3{margin:13px 0 20px;font-size:23px}.jf .lab-part-list,.jf .source-part-list{display:grid;gap:8px}.jf .lab-part-list button,.jf .source-part-list button{display:flex;align-items:center;gap:12px;text-align:left;border:1px solid #dce5e5;background:#f6f9f8;border-radius:12px;padding:12px;cursor:pointer;color:#264550}.jf .lab-part-list button>span,.jf .source-part-list button>span{display:grid;place-items:center;width:30px;height:30px;flex-shrink:0;border-radius:9px;background:#dceceb;color:#227783;font-weight:800}.jf .lab-part-list b{font-size:13px;flex:1}.jf .lab-part-list button[aria-pressed=true],.jf .source-part-list button[aria-pressed=true]{background:#102b3b;color:#fff}.jf .lab-part-list button[aria-pressed=true]>span{background:#e3bd77;color:#102b3b}.jf .part-explanation{font-size:12px;line-height:1.8;padding:18px 0;color:#637e88}.jf .lab-study-actions{display:grid;gap:10px;margin-top:18px}.jf .lab-disclaimer{font-size:10px;line-height:1.7;color:#83989e;margin-top:20px}.jf .source-part-list{max-height:220px;overflow:auto}.jf .source-part-list button{font-size:11px;overflow-wrap:anywhere}.jf .lab-parts-panel h4{font-size:12px}.jf .lab-share-dialog{border:0;border-radius:22px;padding:30px;max-width:450px;width:90%;color:#264550}.jf .lab-share-dialog::backdrop{background:#061b2acb}.jf .lab-share-dialog canvas{display:block;margin:10px auto}.jf .lab-share-dialog input{width:100%;padding:12px;margin:8px 0 16px;border:1px solid #cbd8d9;border-radius:8px}.jf .lab-dialog-close{float:right;border:0;background:none;font-size:25px;cursor:pointer}.jf .lab-workbench:fullscreen{background:#eaf1f0;padding:20px;overflow:auto}.jf .lab-workbench:fullscreen .real-model-viewer{height:calc(100vh - 200px)}.jf button:focus-visible,.jf a:focus-visible{outline:3px solid #d7a94e;outline-offset:3px}.jf .lab-load-failure{position:relative;height:100%;display:grid;place-items:center}.jf .lab-load-failure>img{position:absolute;width:100%;height:100%;object-fit:contain;opacity:.25}.jf .lab-load-failure>div{position:relative;z-index:1;text-align:center;background:#102b3bdd;padding:25px;border-radius:18px;color:white}.jf .lab-load-failure p{font-size:13px}.jf .lab-load-failure .btn{margin:6px}.jf #local-length{width:100%}
@media(max-width:1050px){.jf .real-model-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.jf .lab-workbench{grid-template-columns:minmax(0,1fr) 280px}.jf .real-model-viewer{height:440px}}
@media(max-width:760px){.jf .lab-subject-grid,.jf .lab-topic-grid,.jf .real-model-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.jf .lab-workbench{grid-template-columns:1fr}.jf .lab-library-hero:after{display:none}.jf .lab-library-hero{padding:26px}.jf .lab-library-hero h2,.jf .lab-library-hero p{max-width:100%}.jf .real-model-viewer{height:390px}.jf .play-scene{min-height:320px}.jf .lab-library-metrics{gap:20px}.jf .lab-object-title h2{font-size:23px}.jf .cinematic-poster{height:190px}}
@media(max-width:420px){.jf .real-model-grid{grid-template-columns:1fr}.jf .lab-subject-grid,.jf .lab-topic-grid{gap:10px}.jf .lab-subject-tile h3,.jf .lab-topic-tile h3{font-size:15px;padding:0 12px}.jf .subject-cover{height:125px}.jf .lab-object-title{align-items:start;flex-direction:column}.jf .real-model-viewer{height:320px}.jf .lab-library-metrics b{font-size:23px}}
@media(prefers-reduced-motion:reduce){.jf *{scroll-behavior:auto!important}.jf .game-card{transition:none}}
.jf .athlete-avatar{display:none}.jf .cinematic-poster:after{content:'';position:absolute;inset:0;background:linear-gradient(transparent 55%,#071f35bb);pointer-events:none}.jf .game-art .game-tag,.jf .game-art .badge-3d{z-index:5}.jf .arena-overlay{pointer-events:none}
.jf .sidebar{background:linear-gradient(180deg,#102b3b,#143b45)}.jf .nav-item.active{background:#247b83!important;box-shadow:0 4px 16px #061d2930}.jf .btn.primary{background:#247b83!important;box-shadow:0 5px 14px #247b8330}.jf .main,.jf .content{background:#f3f7f6}.jf .arena-overlay{color:#dcebe6}.jf .game-stage-wrap{border-color:#385c63}
/* 2.8 · readable AI section selectors and locally played game instrumentals */
.jf .kind-tabs{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,170px),1fr));gap:8px;margin:0 0 20px;max-height:none;overflow:visible;width:100%}
.jf .kind-tabs button{display:flex;align-items:center;justify-content:flex-start;min-width:0;min-height:46px;padding:11px 14px;border:1px solid #b9cccf;border-radius:11px;background:#fff;color:#183c45;font-family:'Segoe UI',Arial,'Noto Sans',sans-serif;font-size:14px;font-weight:650;line-height:1.45;letter-spacing:normal;text-align:left;text-transform:none;text-decoration:none;text-shadow:none;white-space:normal;overflow-wrap:anywhere;word-break:normal;opacity:1;-webkit-text-fill-color:currentColor;box-shadow:0 2px 7px #12333b08;transition:background .15s,border-color .15s}
.jf .kind-tabs button:hover{background:#eaf4f4;border-color:#367c83;color:#12363f}
.jf .kind-tabs button.selected,.jf .kind-tabs button[aria-current=page]{background:#175b65;border-color:#175b65;color:#fff;box-shadow:0 4px 12px #175b6526}
.jf .kind-tabs button.selected:hover{background:#104954;color:#fff}
.jf .kind-tabs button:focus-visible{outline:3px solid #dd9000;outline-offset:2px}
.jf .game-music-bar{display:flex;align-items:center;flex-wrap:wrap;gap:12px 20px;margin:0 0 18px;padding:14px 18px;background:#fff;border:1px solid #c7dadd;border-radius:15px;color:#173e47;box-shadow:0 3px 14px #173e4708}
.jf .game-music-copy{display:flex;align-items:center;gap:11px}.jf .music-note{display:grid;place-items:center;width:38px;height:38px;border-radius:11px;background:#e3f2ee;color:#175c63;font-size:26px}
.jf .game-music-copy b{display:block;font-size:13px;font-weight:700}.jf .game-track-title{display:block;font-size:12px;color:#3d626a}
.jf .game-music-state{font-size:12px;color:#325b60}.jf .game-music-actions{display:flex;align-items:center;flex-wrap:wrap;gap:12px 18px;margin-left:auto}
.jf .music-toggle{border:1px solid #85b0b3;border-radius:8px;background:#eaf5f4;color:#134e57;font-size:12px;font-weight:650;min-height:40px;padding:8px 12px;white-space:normal}
.jf .music-toggle:hover{background:#d6eeeb}.jf .music-volume{display:flex;align-items:center;gap:9px;font-size:12px;color:#325b60;margin:0}
.jf .music-volume input[type=range]{appearance:auto;accent-color:#175b65;min-width:0;width:100px;height:25px;padding:0;margin:0;border:0;box-shadow:none;background:transparent}
.jf .music-selection{display:flex;align-items:center;gap:8px;margin:0;min-width:0;font-size:12px;color:#325b60}.jf .music-selection select{min-width:0;max-width:240px;width:220px;min-height:40px;margin:0;padding:8px 28px 8px 10px;border:1px solid #85b0b3;border-radius:8px;background:#fff;color:#173e47;font-size:12px}
.jf .music-selection select:focus-visible{outline:3px solid #dd9000;outline-offset:2px}
.jf .music-muted .music-note{background:#eef1f1;color:#4a6268}
@media(max-width:600px){.jf .kind-tabs{grid-template-columns:repeat(2,minmax(0,1fr))}.jf .kind-tabs button{padding:10px 11px;min-height:50px;font-size:13px}.jf .game-music-bar{padding:13px;gap:10px}.jf .game-music-actions{margin-left:0;width:100%;justify-content:space-between}.jf .game-music-state{margin-left:auto}.jf .music-volume{gap:5px}.jf .music-volume input[type=range]{width:80px}}
@media(max-width:600px){.jf .music-selection{width:100%;justify-content:space-between}.jf .music-selection select{flex:1;max-width:230px;width:0}.jf .game-track-title{max-width:240px;overflow-wrap:anywhere}}
@media(prefers-reduced-motion:reduce){.jf .kind-tabs button{transition:none}}