@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&family=Space+Grotesk:wght@400;500;600;700&display=swap');
.skip-link{position:absolute;left:16px;top:8px;transform:translateY(-200%);z-index:30;background:white;padding:12px}.skip-link:focus{transform:none}
:root{--ink:#152e3a;--muted:#566873;--lime:#d1f789;--paper:#f4f7f9;--line:#d9e2e6;--blue:#235bbc}*{box-sizing:border-box}body{margin:0;color:var(--ink);background:var(--paper);font:16px/1.65 'DM Sans',sans-serif}header{min-height:88px;padding:20px 4%;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);background:white;gap:20px}.brand{font:700 16px 'Space Grotesk',sans-serif;letter-spacing:1px;color:var(--ink);text-decoration:none;display:flex;align-items:center;gap:12px}.logo{background:var(--ink);color:var(--lime);padding:2px 12px;border-radius:10px;font-size:32px}.meta,.eyebrow{font-size:12px;font-weight:700;letter-spacing:1.5px}.tag{display:inline-block;padding:5px 10px;background:#edf2f4;border-radius:6px;margin-left:14px;letter-spacing:.5px}.shell{max-width:1480px;margin:auto;display:grid;grid-template-columns:260px 1fr}aside{padding:32px 24px;border-right:1px solid var(--line)}nav{display:grid;gap:7px}nav button{background:none;text-align:left;border:0;padding:12px;border-radius:8px;font-size:15px;color:var(--muted);width:100%;display:flex;gap:12px}nav button.active{background:var(--ink);color:white}nav button span{opacity:.65;font-size:13px;min-width:20px}.method{border-top:1px solid var(--line);margin-top:35px;padding-top:24px;font-size:14px}.method span{color:var(--muted);font-size:13px}main{padding:36px 4.5% 60px;min-width:0}h1,h2,h3{font-family:'Space Grotesk',sans-serif;line-height:1.16}h1{font-size:clamp(32px,4vw,48px);letter-spacing:-1.5px;margin:12px 0 18px}h2{font-size:25px;margin:0 0 15px}h3{font-size:20px;margin:0 0 12px}p{margin:10px 0 18px}.intro{max-width:720px;color:var(--muted);font-size:18px}.topline{display:flex;align-items:center;justify-content:space-between;gap:12px}.chip{font-size:12px;font-weight:700;padding:5px 12px;background:var(--lime);border-radius:20px;white-space:nowrap}.grid{display:grid;grid-template-columns:1fr 1fr;gap:22px;margin:28px 0}.card{background:white;border:1px solid var(--line);border-radius:16px;padding:26px;min-width:0}.dark{background:var(--ink);color:white;border-color:var(--ink)}.dark p{color:#d2e0e6}.dark .eyebrow{color:var(--lime)}.big{font-family:'Space Grotesk',sans-serif;font-size:64px;line-height:1.2;color:var(--lime)}.hint{background:#edf4ff;border-left:3px solid #3975c9;padding:14px 18px;border-radius:0 8px 8px 0;margin:20px 0}.teach{margin-top:28px;border:1px solid #bacba5;background:#f4faeb;border-radius:16px;padding:26px}.teach .eyebrow{color:#446126}button,.button{cursor:pointer;font:600 15px 'DM Sans',sans-serif;border-radius:8px;padding:12px 18px;border:1px solid var(--line);background:white;color:var(--ink);text-decoration:none;display:inline-block}button:hover,.button:hover{border-color:#648696;background:#eaf0f3}button.primary,.button.primary{background:var(--ink);color:white;border-color:var(--ink)}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,summary:focus-visible{outline:3px solid #4a80ed;outline-offset:3px}button:disabled{cursor:default;opacity:.65}textarea{width:100%;min-height:105px;padding:14px;border:1px solid #b9c8c1;border-radius:8px;font:inherit;resize:vertical;margin:10px 0}details{margin:14px 0;padding:14px 0;border-top:1px solid var(--line)}summary{cursor:pointer;font-weight:600}label{display:block;font-size:14px;font-weight:600;margin:14px 0 5px}select,input[type=number]{font:inherit;padding:9px;border:1px solid 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var(--line)}.tablewrap{overflow-x:auto}a{color:var(--blue)}.progress{height:5px;background:var(--line);border-radius:5px;margin:20px 0}.progress i{display:block;height:100%;background:#7ba83d}.answers{display:grid;gap:10px;margin:22px 0}.answers button{text-align:left;line-height:1.5}.answers button.correct{background:#e3f4c7;border-color:#759b43}.answers button.wrong{background:#ffe6df;border-color:#c25d48}.feedback{padding:18px;background:#edf4ff;border-radius:10px;margin-bottom:20px}.bottom{display:flex;justify-content:space-between;gap:14px;margin-top:30px}footer{border-top:1px solid var(--line);padding:25px;text-align:center;color:var(--muted);font-size:13px}.paper{border-top:3px solid var(--blue)}.paper .row{margin-top:20px}svg.chart{width:100%;height:auto}.shield{padding:28px 8px;font:600 26px 'Space Grotesk';display:flex;justify-content:space-between;gap:10px;align-items:center}.shield span:nth-child(2){font-size:15px;border-left:6px solid #9cafb9;padding:20px 8px}li{margin-bottom:7px}@media(max-width:900px){header .meta{display:none}.shell{grid-template-columns:1fr}aside{padding:14px 20px;border-right:0;border-bottom:1px solid var(--line)}aside>.eyebrow,.method{display:none}nav{display:flex;overflow:auto}nav button{white-space:nowrap;width:auto;min-width:max-content}main{padding:25px 20px 40px}.grid{gap:16px}.card{padding:20px}}@media(max-width:620px){.grid{grid-template-columns:1fr}h1{font-size:35px}.topline{align-items:flex-start}.card,.teach{padding:20px}.brand{font-size:13px}.eq{font-size:21px}.chip{font-size:12px}.big{font-size:54px}}@media(prefers-reduced-motion:no-preference){button,.dot{transition:background .2s}}
aside,nav,.shell{min-width:0}nav{max-width:100%}
/* Science notebook edition */

:root{--ink:#182347;--muted:#556079;--lime:#ffad87;--paper:#fffefb;--line:#dce0e9;--blue:#294ce4}body{background:var(--paper);font-family:'DM Sans',sans-serif}header{min-height:82px;padding:15px 3.5%;border-bottom:2px solid var(--ink)}.brand{font-size:25px;letter-spacing:-1.2px;gap:10px}.brand-dot{color:#d5572c;margin-left:-9px}.logo{border-radius:50%;background:var(--blue);color:white;width:42px;height:42px;text-align:center;line-height:36px;padding:0;font-size:34px}.header-tools{display:flex;align-items:center;gap:24px}.tag{background:none;border-left:1px solid var(--line);border-radius:0}.meta{font-size:11px;letter-spacing:.8px}#motion{font-size:12px;min-height:38px;padding:6px 10px;border:1px solid var(--line);background:transparent}.shell{grid-template-columns:225px 1fr;max-width:1450px}aside{padding:35px 20px;background:#f4f5fa}.eyebrow{color:var(--muted);font-size:11px;letter-spacing:1.6px}nav{gap:4px}nav button{border-radius:0;padding:12px 8px;line-height:1.5;color:#3b4562;font-size:14px;align-items:center;min-height:48px;border-left:3px solid transparent}nav button span{font-size:12px;opacity:1;color:#6b7691}nav button.active{background:#e5eaff;color:var(--blue);border-left-color:var(--blue);font-weight:700}nav button.active span{color:var(--blue)}nav button:hover{background:#e9edf5;border-color:transparent}.method{font-size:13px;line-height:1.9}.method b{font-family:Georgia,serif;font-size:19px;font-style:italic;font-weight:400}.method span{display:none}main{padding:34px 5% 60px;max-width:1100px}.topline{padding-bottom:16px;border-bottom:1px solid var(--line)}.chip{background:none;border-radius:0;padding:0;font-family:'Space Grotesk',sans-serif;font-size:13px;color:var(--muted)}h1{font-size:clamp(38px,4.8vw,64px);font-weight:600;line-height:1.06;letter-spacing:-2.5px;margin:24px 0 16px}h1 em{font-family:Georgia,'Times New Roman',serif;font-weight:400;color:var(--blue)}h2{font-size:24px;letter-spacing:-.6px}.intro{font-size:17px;line-height:1.65;max-width:650px}.grid{gap:35px;margin:30px 0 35px;align-items:start}.card{padding:22px 0;background:none;border:0;border-radius:0;border-top:2px solid var(--ink)}.card p{line-height:1.75}.card.dark{background:#182e73;color:white;padding:25px;border:0;border-radius:4px;box-shadow:7px 7px 0 #dbe2fb}.dark p,.dark .small{color:#e3e9ff}.dark .eyebrow{color:#ffb89b}.dark label{color:#fff}.big{font-size:42px;display:inline-block;color:white;vertical-align:middle}.big sup{font-size:22px}.big sub{font-size:18px}.scribble{font-family:Georgia,serif;font-style:italic;color:#ffb89b;font-size:16px;margin-left:20px;display:inline-block}.hint{background:none;border-left:3px solid #e87d52;padding:7px 0 7px 17px;border-radius:0;font-size:15px}.teach{background:#fff5ec;border:0;border-top:3px solid #df794b;border-radius:0;padding:26px 30px}.teach .eyebrow{color:#975030}.teach h2{font-size:29px;font-family:Georgia,serif;font-weight:400;font-style:italic}.teach textarea{background:repeating-linear-gradient(#fffaf5 0px,#fffaf5 31px,#e6dccc 32px);line-height:32px;border:0;border-bottom:1px solid #b4a495;border-radius:0;min-height:140px;padding:0 8px}.teach details{border-color:#e1cdbc}button,.button{border-radius:4px;min-height:44px;font-size:14px;font-weight:600}button.primary,.button.primary{background:var(--blue);border-color:var(--blue)}button:hover,.button:hover{background:#e9edfd;border-color:var(--blue)}button.primary:hover,.button.primary:hover{background:#1939bf;color:white}button:active,.button:active{transform:translateY(1px)}select,input[type=number]{border-radius:3px;min-height:44px;font-size:16px}input[type=range]{accent-color:#ffad87;cursor:ew-resize}details{padding:17px 0}summary{font-size:16px}summary::marker{color:var(--blue)}.eq{padding:25px 12px;background:#eef1ff;color:#1b3ac0;font-size:27px;text-align:center;border-left:3px solid var(--blue)}.dots{gap:8px;grid-template-columns:repeat(8,1fr);max-width:280px;margin:25px auto}.dot{background:#ffad87;transition:background .5s,transform .5s,opacity .5s}.dot.decayed{background:#6c80b4;transform:scale(.48);opacity:.55}.legend span:before{color:#ffad87}.legend span:last-child:before{color:#92a1c9}.play-controls{margin:12px 0}.play-controls button{background:#fff;color:#182e73;border:0}.chart{margin-top:30px}.answers button{padding:18px 20px;border-radius:0;border-color:#ccd3e9}.answers button.correct{background:#e6efdd;border-color:#607e46}.answers button.wrong{background:#ffebe4;border-color:#b25b3c}.feedback{border-radius:0;background:#edf1ff;border-left:3px solid var(--blue)}.progress{border-radius:0;height:4px}.progress i{background:var(--blue)}.paper{border-top:3px solid var(--blue)}#quiz{max-width:760px}.shield{font-size:20px;padding:12px 0}.shield span:nth-child(2){font-size:14px;padding:10px 8px}#beam{display:block;width:100%;margin-bottom:15px;fill:var(--ink)}#nucleus{width:100%;max-height:225px;display:block;color:#edf1ff}.bottom{border-top:1px solid var(--line);padding-top:25px}.bottom button{max-width:65%;line-height:1.5}footer{font-size:12px;background:#f4f5fa}.nucleon{animation:nucleon-in .4s ease-out both}@keyframes nucleon-in{from{opacity:0;transform:scale(.4)}to{opacity:1;transform:scale(1)}}@media(min-width:1050px){aside{position:sticky;top:0;align-self:start;height:calc(100vh - 10px)}body[data-lesson="0"] .grid{grid-template-columns:1fr 1.08fr}}@media(max-width:900px){.shell{grid-template-columns:1fr}aside{padding:10px 16px}nav{gap:8px}nav button{border-left:0;border-bottom:2px solid transparent;padding:10px 12px;min-height:44px}nav button.active{border-bottom-color:var(--blue)}main{padding:25px 5% 45px}.header-tools{gap:10px}.grid{gap:25px}}@media(max-width:620px){header{padding:12px 18px}.brand{font-size:21px}.logo{width:34px;height:34px;line-height:29px;font-size:29px}h1{font-size:43px;letter-spacing:-1.7px}.grid{gap:15px}.card.dark{padding:22px;box-shadow:4px 4px 0 #dbe2fb}.teach{padding:22px 18px}.scribble{font-size:14px}.eq{font-size:23px}#motion{font-size:11px}main{padding:24px 20px 40px}.row>div{min-width:0;flex:1}.header-tools .meta{display:none}}.reduced *,.reduced *::before,.reduced *::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}@media(prefers-reduced-motion:reduce){.nucleon{animation:none}.dot,button{transition:none}}
.audio-guide{border-top:1px solid #b7c5f4;border-bottom:1px solid #b7c5f4;background:#f1f4ff;padding:18px 22px;margin:24px 0 30px}.audio-heading{display:flex;align-items:center;gap:14px}.audio-heading h2{font-size:20px;margin:0}.audio-heading p{margin:4px 0 12px}.audio-symbol{font-size:25px;color:var(--blue);font-weight:700}.audio-controls{display:flex;align-items:end;gap:8px;flex-wrap:wrap}.audio-controls button{min-height:44px;padding:10px 13px}.audio-controls label{display:flex;align-items:center;gap:8px;margin:0 0 0 auto}.audio-controls select{width:auto;max-width:160px;min-height:44px;font-size:14px}.audio-guide details{margin:0;padding:10px 0;border-top:1px solid #cdd6f0}.audio-guide details summary{font-size:14px}.audio-guide select{max-width:100%}.audio-guide ol{padding-left:22px}.audio-guide li{margin:18px 0}.audio-guide li p{margin-top:4px}.audio-guide #narrate-status{margin:12px 0}.narrate-current{border-left:3px solid var(--blue);padding:0 0 0 14px;margin:18px 0}.narrate-current p{font-size:16px;line-height:1.75;margin:7px 0}.audio-guide [hidden]{display:none!important}#narrate-chapter{margin-top:15px}#narrate-voice{font-size:15px}@media(max-width:620px){.audio-guide{padding:16px}.audio-controls label{margin:6px 0 0;width:100%}.audio-controls button{font-size:13px;padding:10px}.audio-heading{gap:10px}}
/* Learner studio and local-save status */
#save-status{padding:12px 0;border-top:1px solid #d4d9e6;color:#455270;font-size:.78rem}#profile-open{white-space:nowrap}dialog#studio{border:1px solid #cbd2e2;border-radius:18px;padding:28px;max-width:590px;width:calc(100% - 24px);max-height:88vh;color:#182347;background:#fffefa;box-shadow:0 24px 100px #101b4940}dialog::backdrop{background:#14234380;backdrop-filter:blur(4px)}.studio-heading{display:flex;align-items:center;justify-content:space-between}.studio-heading h2{font-size:2rem;margin:8px 0}.avatar-display{display:flex;flex-direction:column;align-items:center;justify-content:center;background:#eef1ff;border-radius:50%;width:170px;height:190px;margin:18px auto;line-height:.9;font-size:66px}.avatar-display .avatar-accessory{font-size:35px;min-height:36px}.studio-balance{text-align:center}.wardrobe{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin:20px 0}.wardrobe button{display:flex;flex-direction:column;align-items:center;gap:8px;min-width:0;text-align:center;padding:14px 7px}.wardrobe span{font-size:36px}.wardrobe small{font-size:12px}.wardrobe button:disabled{opacity:.5}.review-status{background:#fffaf3;border-left:3px solid #d97043;padding:14px}button:disabled{cursor:default}#studio input{box-sizing:border-box;width:100%}.coverage-list{display:grid;grid-template-columns:1fr 1fr;gap:8px}.coverage-list button{text-align:left}.coverage-list b{color:#294ce4}.random-dots{max-width:370px;background:#182347;padding:18px;border-radius:12px}.reactor-dots{display:flex;justify-content:space-between;gap:12px;padding:24px 0;color:#294ce4}.reactor-dots>div{flex:1}.reactor-dots small{color:#182347}.reactor-dots>div>div{font-size:28px;animation:reactor-in .5s ease both}.reactor-dots>div:nth-child(2)>div{animation-delay:.15s}.reactor-dots>div:nth-child(3)>div{animation-delay:.3s}@keyframes reactor-in{from{opacity:0;transform:scale(.65)}to{opacity:1;transform:scale(1)}}.reduced .reactor-dots>div>div{animation:none}@media(prefers-reduced-motion:reduce){.reactor-dots>div>div{animation:none}}@media(max-width:650px){.header-tools{flex-wrap:wrap;justify-content:flex-end}.header-tools .meta{display:none}.coverage-list{grid-template-columns:1fr}.wardrobe{grid-template-columns:repeat(2,1fr)}dialog#studio{padding:20px}.reactor-dots{gap:6px}}
@media(max-width:650px){header{flex-wrap:wrap;gap:12px}.header-tools{width:100%;justify-content:space-between;min-width:0}.header-tools button{font-size:12px;padding:9px 12px}#profile-open{white-space:normal}.brand{flex:none}}
.spec-steps{max-height:53vh;overflow-y:auto;margin:12px 0 24px}.spec-steps button{white-space:normal;text-align:left;width:100%;display:flex;gap:10px}.spec-steps button span{flex:0 0 42px}.spec-steps [aria-current=page]{background:#e8edff;color:#294ce4;font-weight:700}.voice-picker{margin-top:18px;border-top:1px solid #d0d6eb;padding-top:12px}.voice-picker select{width:100%;margin:8px 0}.spec-context{font-size:13px;background:#eef1ff;padding:14px;line-height:1.7}.spec-tool{margin:24px 0}.return-spec{border:1px solid #294ce4!important;margin-bottom:18px}.spec-steps+ .eyebrow{margin-top:16px}#spec-jump{width:100%;font-size:14px}main h1{overflow-wrap:anywhere}@media(max-width:760px){#nav:has(#spec-jump){display:block;overflow:visible}#nav:has(#spec-jump) .spec-steps{display:none}#nav:has(#spec-jump)>button{display:inline-flex;margin:10px 8px 0 0}#nav:has(#spec-jump)>.eyebrow{display:none}}
/* Illustrated mix-and-match wardrobe */
dialog#studio{max-width:940px;width:calc(100% - 28px);padding:26px;background:#fffaf3}.closet-layout{display:grid;grid-template-columns:minmax(220px,.8fr) minmax(290px,1.2fr);gap:30px}.closet-preview{align-self:start;position:sticky;top:0;text-align:center}.illustrated-avatar{position:relative;width:min(100%,290px);aspect-ratio:2/3;margin:0 auto;overflow:hidden;background:#fffaf3;border-radius:18px}.avatar-layer{position:absolute;inset:0;width:100%;height:100%;object-fit:contain;pointer-events:none}.layer-top{clip-path:inset(40% 0 39.8% 0)}.layer-jeans{clip-path:inset(59.8% 0 12.8% 0)}.layer-dress{clip-path:inset(40% 0 0 0)}.layer-audio{clip-path:inset(0 0 60% 0)}.layer-shoes{clip-path:polygon(0 87%,28% 87%,33% 85.4%,40% 85.4%,49.9% 87.5%,50.1% 87.5%,60% 85.4%,67% 85.4%,72% 87%,100% 87%,100% 100%,0 100%)}.look-caption{font-weight:700;font-size:17px;margin:8px 0}.look-description{margin:6px 0}.try-actions{display:flex;gap:8px;flex-wrap:wrap;justify-content:center}.try-actions button{font-size:13px}.closet-shop h3{font-size:23px;margin:20px 0 8px}.illustrated-shop{grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}.illustrated-shop button{padding:0 0 12px;overflow:hidden;background:#fffdfa;border:1px solid #d4d6e3;border-radius:12px;gap:6px}.illustrated-shop button:hover,.illustrated-shop button[aria-pressed=true]{border-color:#294ce4;box-shadow:0 0 0 1px #294ce4}.illustrated-shop .is-wearing{background:#eaf0ff}.illustrated-shop b{font-size:13px;padding:0 6px}.illustrated-shop small{font-size:11px}.item-art{display:block;width:100%;height:115px;background-repeat:no-repeat;background-size:210%;background-color:#fffaf3}.item-tee{background-position:50% 51%}.item-jeans{background-position:50% 82%}.item-trainers{background-position:50% 99%;background-size:220%}.item-airpods{background-position:20% 27%;background-size:310%}.item-max{background-position:50% 6%;background-size:130%}.item-dress{background-position:50% 65%;background-size:160%}.closet-credit{font-size:12px;padding:10px;background:#eaf0ff;border-radius:8px}.closet-settings{border-top:1px solid #d9d9e4;margin-top:20px;padding-top:14px}#wardrobe-message{min-height:1.6em;font-size:13px;color:#234d32}.closet-shop .row button{font-size:12px;padding:9px}.closet-shop .row{flex-wrap:wrap}.closet-preview .studio-balance{font-size:14px;background:#eef1ff;padding:10px;border-radius:10px}button:disabled{opacity:.55}.closet-shop button{white-space:normal}@media(max-width:700px){dialog#studio{padding:18px;max-height:92vh}.closet-layout{display:block}.closet-preview{position:static}.illustrated-avatar{width:220px}.illustrated-shop{grid-template-columns:repeat(2,minmax(0,1fr))}.studio-heading h2{font-size:1.65rem}.item-art{height:135px}.try-actions{margin-bottom:8px}}
:root{--study-start-border:#cbd5ef}
.study-start{background:#fffefa;border:1px solid var(--study-start-border);border-radius:10px;padding:12px;margin-bottom:16px}.study-start b{display:block;margin:6px 0}.study-start p,.nav-help{font-size:12px;line-height:1.5;margin:0;color:#52617e}.start-banner{background:#eaf0ff;border-left:4px solid #294ce4;padding:14px 16px;margin:18px 0;line-height:1.6}.start-banner button{margin-left:8px;font-size:12px;padding:6px 10px}
.celebration-backdrop{position:fixed;inset:0;background:#fffaf3;backdrop-filter:blur(3px)}#milestone-celebration{position:fixed;inset:0;z-index:20;overflow:hidden;pointer-events:none}.celebration-track{position:absolute;inset:0;pointer-events:none;background:#fffaf3}.celebration-track img,.celebration-track video{position:absolute;width:190px;height:285px;object-fit:contain;bottom:8vh;right:-220px;filter:drop-shadow(0 10px 10px #18234730)}.celebration-copy{position:absolute;z-index:2;top:32%;left:50%;transform:translate(-50%,20px) scale(.75);opacity:0;display:flex;flex-direction:column;align-items:center;background:#fffaf3;border:3px solid #294ce4;border-radius:22px;padding:22px 34px;color:#182347;box-shadow:0 16px 50px #18234740}.celebration-copy b{font-family:Georgia,serif;font-style:italic;color:#294ce4;font-size:clamp(38px,7vw,78px);line-height:1}.celebration-copy small{font-size:14px;margin-top:8px}.celebration-spark{font-size:34px;color:#f29a55}.celebration-track button{position:absolute;z-index:3;bottom:22px;left:50%;transform:translateX(-50%);pointer-events:auto}.is-playing .celebration-track img,.is-playing .celebration-track video{animation:avatar-walk 5s cubic-bezier(.2,.75,.3,1) forwards}.is-playing .celebration-copy{animation:well-done .8s .8s cubic-bezier(.2,1.4,.4,1) forwards}@keyframes avatar-walk{0%{right:-220px;transform:translateY(0)}18%{transform:translateY(-5px)}36%{transform:translateY(0)}54%{transform:translateY(-5px)}72%{transform:translateY(0)}to{right:calc(100% + 220px);transform:translateY(-2px)}}@keyframes well-done{to{opacity:1;transform:translate(-50%,0) scale(1)}}.reduced .is-playing .celebration-track img,.reduced .is-playing .celebration-track video{animation:none;right:45%;transform:none}.reduced .is-playing .celebration-copy{animation:none;opacity:1;transform:translate(-50%,0) scale(1)}

/* The supplied clip already contains walking: do not translate or rotate its frame. */
.celebration-track .walking-avatar{position:absolute;inset:35% 0 55px;display:flex;align-items:center;justify-content:center}
.celebration-track .walking-avatar img,.is-playing .celebration-track .walking-avatar img,.reduced .is-playing .celebration-track .walking-avatar img{position:static;width:min(100%,960px);height:100%;object-fit:contain;animation:none;transform:none;filter:none}
.celebration-copy{top:8%;max-width:85%;box-sizing:border-box;text-align:center}.celebration-copy small{line-height:1.5}
@media(prefers-reduced-motion:reduce){.is-playing .celebration-copy{animation:none;opacity:1;transform:translate(-50%,0)}}
.closet-filters{display:flex;gap:6px;flex-wrap:wrap;margin:14px 0}.closet-filters button{font-size:12px;padding:8px 10px;border:1px solid #cfd5e8;background:#fffdfa;border-radius:999px}.closet-filters button[aria-pressed=true]{background:#294ce4;color:#fff;border-color:#294ce4}.avatar-layer.layer-top-v3{clip-path:inset(39% 0 39% 0)}.avatar-layer.layer-bottom-v3{clip-path:inset(58% 0 12% 0)}.avatar-layer.layer-dress{clip-path:inset(38% 0 0 0)}.accessory-sprite{position:absolute;z-index:5;pointer-events:none;object-fit:contain}.art-sprite{background-size:contain!important;background-position:center!important;background-repeat:no-repeat!important}.sprite-cream-bag,.sprite-bow-bag,.sprite-chain-bag{inset:25% 5% 10% 62%;width:33%;height:65%}.sprite-earmuffs,.sprite-navy-cap,.sprite-glasses{inset:0 15% 62%;width:70%;height:35%}.sprite-pendants,.sprite-scarf,.sprite-cross-necklace{inset:31% 24% 46%;width:52%;height:24%}.sprite-studded-belt{inset:57% 20% 28%;width:60%;height:15%}.sprite-claw-clip{inset:5% 19% 70%;width:20%;height:25%}.sprite-white-socks{inset:80% 0 2%;width:100%;height:20%}.sprite-knit-gloves{inset:50% 0 25%;width:100%;height:28%}.sprite-star-bracelet,.sprite-silver-ring{inset:52% 0 25%;width:100%;height:20%}.art-top{background-size:210%!important;background-position:50% 51%!important}.art-bottom{background-size:210%!important;background-position:50% 82%!important}.item-navy-ruffle,.item-navy-bow-dress{background-position:50% 65%!important;background-size:170%!important}
/* Place each accessory against the face/body rather than a shared bounding box. */
.accessory-sprite.sprite-cat-eye-glasses{left:31%;top:28%;width:38%;height:8%}
.accessory-sprite.sprite-navy-cap{left:22%;top:6%;width:56%;height:22%}
.accessory-sprite.sprite-earmuffs{left:18%;top:8%;width:64%;height:31%}
.accessory-sprite.sprite-pendants,.accessory-sprite.sprite-cross-necklace{inset:auto;left:39%;top:40%;width:22%;height:13%}
.accessory-sprite.sprite-scarf{inset:auto;left:37%;top:39%;width:26%;height:10%}
.accessory-sprite.sprite-star-bracelet{inset:auto;left:70%;top:60%;width:10%;height:6%;transform:rotate(-12deg)}
.accessory-sprite.sprite-studded-belt{inset:auto;left:31%;top:59%;width:38%;height:7%}
.accessory-sprite.sprite-cream-bag,.accessory-sprite.sprite-bow-bag,.accessory-sprite.sprite-chain-bag{inset:auto;left:67%;top:44%;width:24%;height:30%}
.accessory-sprite.sprite-claw-clip{inset:auto;left:70%;top:24%;width:12%;height:10%;transform:rotate(-18deg)}
.avatar-layer.layer-top-v3{clip-path:polygon(0 39%,100% 39%,100% 70%,69% 70%,69% 61%,31% 61%,31% 70%,0 70%)}
.avatar-layer.layer-top-v3.wearing-navy-knit{clip-path:polygon(0 39%,100% 39%,100% 70%,69% 70%,69% 63%,31% 63%,31% 70%,0 70%)}
.accessory-sprite.paired-hands,.accessory-sprite.paired-socks{background-size:200% 100%;background-repeat:no-repeat;background-position:left center}
.accessory-sprite.paired-right{background-position:right center}
.paired-hands{top:53%;width:16%;height:15%}.paired-hands.paired-left{left:21%;transform:rotate(12deg)}.paired-hands.paired-right{left:63%;transform:rotate(-12deg)}
.paired-socks{top:82%;width:17%;height:9%;z-index:1}.paired-socks.paired-left{left:29%}.paired-socks.paired-right{left:53%}
@media(min-width:701px){.closet-shop{max-height:65vh;overflow-y:auto;padding:0 5px 12px}.closet-preview{position:static}.closet-filters{position:sticky;top:0;z-index:8;background:#fffaf3;padding:8px 0}}
/* Wardrobe alignment fixes: keep try-on items anchored while the shop scrolls. */
.accessory-sprite.sprite-earmuffs{inset:-3% 7% auto;width:86%;height:34%}
.accessory-sprite.sprite-navy-cap{inset:2% 19% auto;width:62%;height:25%}
.item-swimsuit{background-position:50% 65%!important;background-size:170%!important}
/* Persistent top-level study route switcher. */
.route-switcher{display:flex;gap:4px;padding:3px;border:1px solid #cfd5e8;border-radius:999px;background:#f4f6ff;white-space:nowrap}.route-pill{min-height:32px!important;padding:5px 10px!important;border:0;border-radius:999px;background:transparent;color:#445170;font-size:12px!important}.route-pill[aria-pressed=true]{background:#294ce4;color:#fff}.route-pill:hover{background:#dfe6ff}.route-pill[aria-pressed=true]:hover{background:#1939bf}@media(max-width:900px){.route-switcher{order:3;width:100%;justify-content:center}.route-pill{flex:1}}
.study-route{margin:0 0 24px;padding:12px;border:1px solid #cfd5e8;border-radius:20px;background:#fffdfa}
.study-route .route-switcher{display:flex;flex-direction:column;white-space:normal;border:0;border-radius:22px;padding:4px;gap:4px}
.study-route .route-switcher button{display:block;width:100%;min-height:42px;margin:0;padding:10px 12px;border:0;border-radius:999px;text-align:center;font-size:14px;background:transparent;color:#445170}
.study-route .route-switcher button[aria-pressed=true]{background:#294ce4;color:white}
.route-practice{display:flex;gap:8px;margin-top:10px}
.study-route .route-practice button{flex:1;margin:0;padding:10px 4px;text-align:center;font-size:13px;border:1px solid #cfd5e8;border-radius:999px;background:white}
@media(max-width:700px){.study-route{width:100%;flex-shrink:0}.study-route .route-switcher{flex-direction:row}.study-route .route-switcher button{flex:1}}
.item-earmuffs-fitted,.item-cap-fitted{background-size:135%!important;background-position:center 5%!important}
.item-swimsuit-v2{background-size:160%!important;background-position:center 68%!important}
.illustrated-avatar .sprite-cat-eye-glasses{inset:auto;left:27%;top:28.5%;width:46%;height:8%;object-fit:fill}
.illustrated-avatar .sprite-pendants,.illustrated-avatar .sprite-cross-necklace{inset:auto;left:41%;top:40.5%;width:18%;height:10%;object-fit:fill}
.illustrated-avatar .sprite-scarf{inset:auto;left:39%;top:40%;width:22%;height:6%;object-fit:fill}
.illustrated-avatar .sprite-studded-belt{inset:auto;left:34%;top:60%;width:32%;height:5%;object-fit:fill}
.illustrated-avatar .sprite-star-bracelet{inset:auto;left:69%;top:58%;width:9%;height:4%;object-fit:fill;transform:rotate(-12deg)}
.illustrated-avatar .sprite-cream-bag,.illustrated-avatar .sprite-bow-bag,.illustrated-avatar .sprite-chain-bag{inset:auto;left:66%;top:44%;width:23%;height:27%;object-fit:fill}
.illustrated-avatar .sprite-claw-clip{inset:auto;left:74%;top:23%;width:9%;height:8%;transform:rotate(-18deg)}
.illustrated-avatar .paired-hands{top:53%;width:18%;height:14%}.illustrated-avatar .paired-hands.paired-left{left:21%;transform:rotate(10deg)}.illustrated-avatar .paired-hands.paired-right{left:61%;transform:rotate(-10deg)}
.illustrated-avatar .paired-socks{top:81%;width:22%;height:8%;z-index:1}.illustrated-avatar .paired-socks.paired-left{left:27%}.illustrated-avatar .paired-socks.paired-right{left:51%}
.study-route .route-practice button{display:block}
.illustrated-avatar .sprite-cat-eye-glasses{height:15%;top:24.5%;object-fit:contain}
.illustrated-avatar .sprite-claw-clip{left:71%}
.illustrated-avatar .sprite-star-bracelet{left:66%}
.illustrated-avatar .sprite-cream-bag,.illustrated-avatar .sprite-bow-bag,.illustrated-avatar .sprite-chain-bag{left:58%;top:42%}
.illustrated-avatar .layer-shoes{z-index:2}

/* Topic quiz: one clear task, always-available topic choice. */
.quiz-picker{padding-bottom:20px;border-bottom:1px solid var(--line,#d5d7e0)}
.quiz-picker select{width:100%;max-width:100%;font-size:inherit;text-overflow:ellipsis}
.quiz-summary{display:flex;gap:12px 24px;flex-wrap:wrap;margin:20px 0 28px;font-size:.9rem;color:#555e77}
.quiz-progress{display:block;width:100%;height:7px;margin:16px 0 26px;accent-color:#304be5;border:0}
.quiz-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}
.quiz-reset{margin-top:24px;font-size:.9rem}
.quiz-repair{border-top:1px solid #d5d7e0;padding:20px 0}
#quiz-heading:focus{outline:none}
#quiz .feedback{margin-top:22px}
#quiz .answers button{height:auto;white-space:normal;text-align:left}
#quiz .answers button:disabled{opacity:1}
@media(max-width:600px){.quiz-actions button{width:100%}.quiz-summary{gap:8px 16px}#quiz{padding:20px}}

.quiz-graph{margin:20px 0;max-width:650px}.quiz-graph svg{display:block;width:100%;height:auto}.quiz-graph text{font:14px system-ui,sans-serif;fill:#202649}