/* Original Épopée interface, inspired by Duolingo's rounded, tactile design. */
@font-face{font-family:Nunito;src:url('./assets/fonts/nunito-400.ttf') format('truetype');font-weight:400;font-display:swap}
@font-face{font-family:Nunito;src:url('./assets/fonts/nunito-600.ttf') format('truetype');font-weight:600;font-display:swap}
@font-face{font-family:Nunito;src:url('./assets/fonts/nunito-700.ttf') format('truetype');font-weight:700;font-display:swap}
@font-face{font-family:Nunito;src:url('./assets/fonts/nunito-800.ttf') format('truetype');font-weight:800;font-display:swap}
@font-face{font-family:Nunito;src:url('./assets/fonts/nunito-900.ttf') format('truetype');font-weight:900;font-display:swap}
:root{--font:Nunito,'Segoe UI',sans-serif;--display:Nunito,'Segoe UI',sans-serif;--paper:#fff;--ink:#293b44;--muted:#647880;--line:#e4eaed;--green:#16b889;--green-dark:#088563;--green-text:#087b5b;--sage:#eafaf3;--mint-soft:#ddf8eb;--soft-text:#647880}
body{background:#fff;font-weight:600}h1,h2,h3{font-weight:900;letter-spacing:-.025em;color:var(--ink)}button{font-weight:800}.icon{stroke-width:2.2}p{line-height:1.6}
.sidebar{width:224px;padding:28px 18px;background:#fff;border-right:2px solid #e8edef}.workspace{margin-left:224px}.brand,.mobile-brand{font:900 35px Nunito,sans-serif;letter-spacing:-1.5px;color:#0aaf82}.brand{gap:10px}.brand-mark{width:39px;height:43px;border-radius:14px;background:#18bb8b;box-shadow:0 4px 0 #088d69;transform:rotate(-7deg);color:white}.brand-mark .icon{width:25px;height:25px;stroke-width:2.2}.sidebar nav{margin-top:38px;gap:12px}.nav-item{font-size:16px;font-weight:900;border:2px solid transparent;border-radius:15px;padding:14px 12px;min-height:56px;color:#647880}.nav-item .icon{height:27px;width:27px;stroke-width:2.3}.nav-item.active{color:#087b5b;background:#ddf8eb;border-color:#9de3c9}.nav-item:hover{background:#f4faf7}.sidebar nav .nav-item:nth-child(2)>.icon{color:#e2a323}.sidebar nav .nav-item:nth-child(3)>.icon{color:#8a71ce}.sidebar nav .nav-item:nth-child(4)>.icon{color:#36a6d2}.sidebar-volume{border:2px solid var(--line);border-radius:18px;margin:38px 0 0;padding:18px}.sidebar-volume strong{font-weight:900;font-size:17px}.sidebar-volume p{font-size:13px}.sidebar-volume .text-button{font-size:12px}.mini-progress{height:10px;border-radius:10px;background:#edf0f1;overflow:hidden}.mini-progress>span{background:#1ac58f;border-radius:10px}
.topbar{height:76px;border-bottom:2px solid #f0f3f4;background:#fff}.breadcrumb{font-weight:800;color:#84949b}.stats{gap:22px}.stats>span{font-size:15px;font-weight:900}.stats>span:first-child{color:#ec8951}.stats>span:nth-child(2){color:#209bc6}.stats .icon{width:25px;height:25px}.avatar{background:#e6f8f1;color:#149c78;border:2px solid #bee8d8;border-radius:15px}.avatar.small{width:42px;height:42px}.profile{border-top:2px solid var(--line)}
#main{padding:32px 38px 20px;max-width:1310px;margin:auto}.button{border-radius:15px;border:2px solid transparent;border-bottom-width:5px;font-weight:900;min-height:52px;font-size:16px;letter-spacing:.01em;transition:transform .15s ease,filter .15s ease,border-bottom-width .15s ease}
.button.primary,.button.gold{background:#18bd8b;color:#073f30;border-color:#0a956e;box-shadow:none}.button.primary:hover,.button.gold:hover{background:#29cd9d;box-shadow:none;transform:translateY(-1px)}.button.secondary{background:#fff;color:#526d78;border-color:#dfe7eb;box-shadow:none}.button.secondary:hover{background:#f5fafb;border-color:#c7dbe0;box-shadow:none}.button:active,.button.primary:active,.button.secondary:active,.button.gold:active{transform:translateY(3px);border-bottom-width:2px}.button:disabled{filter:grayscale(.75);opacity:.55;transform:none}.text-button{font-weight:900;color:#168a78}.icon-button{border-radius:13px;min-width:42px;min-height:42px}.icon-button:hover{background:#eaf8f2}:focus-visible{outline:3px solid #1b9bcc;outline-offset:4px}
.adventure-heading{display:flex;align-items:center;justify-content:space-between;gap:18px;margin-bottom:25px}.hello-line{font-size:14px;color:#748891;margin:0 0 6px}.adventure-heading h1{font-size:clamp(30px,3vw,42px);line-height:1.15;margin:0}.adventure-heading>.button{white-space:nowrap;font-size:14px}.era-picker{display:flex;align-items:center;gap:16px;margin-bottom:23px;font-size:14px;font-weight:900;color:#6a818a}.era-picker select{border:2px solid #dce9e5;border-radius:12px;min-height:46px;padding:8px 40px 8px 14px;background:#f7fcf9;font:800 16px Nunito,sans-serif;color:#355b50;max-width:calc(100% - 100px)}.era-picker>span{margin-left:auto;font-size:13px;color:#8e9ca2}
.adventure-grid{display:grid;grid-template-columns:minmax(0,1fr) 290px;gap:28px;align-items:start}.mint{--world:#18b989;--world-deep:#088e68;--world-pale:#e7faf1;--world-ink:#085d44}.orange{--world:#f9b650;--world-deep:#d38c2e;--world-pale:#fff5df;--world-ink:#805515}.blue{--world:#5ebde1;--world-deep:#3697bd;--world-pale:#eaf7ff;--world-ink:#1a6487}.purple{--world:#a397df;--world-deep:#7d6ebe;--world-pale:#f0edfc;--world-ink:#564484}.coral{--world:#f69a80;--world-deep:#d4745c;--world-pale:#fff0e9;--world-ink:#854637}.slate{--world:#819fae;--world-deep:#567b8d;--world-pale:#edf3f6;--world-ink:#355465}
.mission-world{border:2px solid var(--world-pale);border-radius:25px;overflow:hidden;background:#fcfefd}.world-heading{display:flex;justify-content:space-between;align-items:center;gap:14px;background:var(--world);padding:24px 26px;color:#073e2d;border-bottom:5px solid var(--world-deep)}.world-heading>div>span{font-size:11px;font-weight:900;letter-spacing:.045em;display:block;line-height:1.5}.world-heading h2{font-size:29px;line-height:1.2;color:var(--world-ink);margin:7px 0}.world-heading p{font-size:13px;font-weight:800;margin:0;color:var(--world-ink)}.world-emblem{display:grid;place-items:center;flex-shrink:0;width:59px;height:63px;border-radius:20px;background:#ffffff45;transform:rotate(7deg);border-bottom:4px solid #00000015}.world-emblem .icon{width:34px;height:34px;color:var(--world-ink)}
.mission-path{position:relative;padding:28px 20px 15px;background-image:radial-gradient(#d7e7e133 2px,transparent 2px);background-size:25px 25px}.mission-path:before{content:'';position:absolute;top:64px;bottom:70px;left:25%;width:25%;border-left:8px dashed #dcebe4;border-right:8px dashed #dcebe4;border-radius:45%;opacity:.65;transform:rotate(-9deg);pointer-events:none}.mission-step{position:relative;margin-bottom:18px;min-height:90px}.step-0{padding-left:7%}.step-1{padding-left:19%}.step-2{padding-left:27%}.step-3{padding-left:15%}.mission-button{display:flex;align-items:center;gap:18px;width:100%;text-align:left;background:transparent;color:var(--ink);padding:0 5px 5px 0;border-radius:16px;position:relative}.mission-orb{height:76px;width:80px;flex-shrink:0;display:grid;place-items:center;background:#fff;border:3px solid #dce9e3;box-shadow:0 7px 0 #d4e2da;border-radius:42%;color:#9db2a5;transition:transform .2s ease,box-shadow .2s ease}.mission-orb>.icon{height:31px;width:31px;stroke-width:2.7}.mission-label{display:flex;flex-direction:column;gap:5px;min-width:0}.mission-label strong{font-size:17px;line-height:1.25;font-weight:900;text-wrap:balance}.mission-label>span{font-size:12px;color:#788a82;font-weight:700}.mission-label small{font-size:10px;color:var(--world-ink);letter-spacing:.05em;font-weight:900}.is-done .mission-orb{background:#fff2c4;border-color:#f6cf65;box-shadow:0 7px 0 #dcb14d;color:#a57816}.is-next .mission-orb{background:var(--world);border-color:var(--world);box-shadow:0 7px 0 var(--world-deep),0 0 0 7px var(--world-pale);color:var(--world-ink)}.is-next .mission-label strong{color:var(--world-ink)}.mission-button:hover .mission-orb{transform:translateY(-4px) rotate(-5deg)}.mission-button:active .mission-orb{transform:translateY(5px);box-shadow:0 2px 0 var(--world-deep)}.mission-go{display:grid;place-items:center;background:var(--world-pale);color:var(--world-ink);border-radius:50%;width:32px;height:32px;flex-shrink:0;margin-left:auto}.mission-go>.icon{width:15px;height:15px;fill:currentColor}.path-more{display:flex;align-items:center;justify-content:center;gap:12px;margin:5px auto 20px;font-size:14px;font-weight:900;color:var(--world-ink);background:#fff;border:2px solid #deebe3;border-bottom-width:4px;min-height:46px;border-radius:13px;padding:8px 18px;max-width:90%}.path-more>.icon{width:17px}.world-footer{font-size:11px;font-weight:700;display:flex;align-items:center;justify-content:center;gap:8px;color:#779085;padding:16px;background:#f3faf6;text-align:center}.world-footer>.icon{width:17px;height:17px;flex-shrink:0}
.adventure-aside{display:grid;gap:20px}.next-mission{border:2px solid #e6ecea;border-radius:23px;padding:22px;background:#fff}.mini-milestone{display:flex;align-items:center;gap:7px;font-size:10px;color:#e09c27;font-weight:900}.mini-milestone>.icon{width:18px;height:18px}.mini-milestone>span{margin-left:auto;font-size:10px;color:#84958d;white-space:nowrap}.level-track{height:11px;border-radius:20px;background:#edf0ee;overflow:hidden;margin-top:10px}.level-track>span{height:100%;display:block;background:#f4c852;border-radius:20px;position:relative}.level-track>span:after{content:'';height:3px;position:absolute;left:4px;right:4px;top:2px;background:#ffffff66;border-radius:3px}.camp-art{width:100%;height:180px;display:block;margin:10px 0 8px}.next-mission h2{font-size:23px;line-height:1.2;margin:10px 0}.next-mission>p{font-size:14px;color:#798c83;line-height:1.5;margin:10px 0 20px}.next-mission>.button{width:100%;justify-content:center}.era-art{height:160px;display:flex;align-items:center;justify-content:center;flex-direction:column;background:var(--world-pale);border-radius:35% 45% 35% 40%;margin-top:22px;color:var(--world-deep);transform:rotate(-3deg)}.era-art>.icon{width:74px;height:74px;stroke-width:1.6}.era-art>span{font-size:13px;font-weight:900;margin-top:14px}.daily-goal{border:2px solid #f3e8ce;background:#fffaf0;border-radius:20px;padding:18px;display:flex;align-items:center;gap:13px}.daily-goal>div{flex:1}.daily-goal h3{font-size:14px;line-height:1.25;margin:0}.daily-goal p{font-size:12px;color:#928057;margin:5px 0}.goal-icon{display:grid;place-items:center;width:34px;color:#ed974f}.goal-icon>.icon{width:32px;height:38px;fill:#ffe0a5;stroke-width:2}.daily-goal>.icon{color:#c19e2e;width:18px}.archive-detour{display:flex;align-items:center;text-align:left;gap:14px;padding:16px;background:#f0f5ff;border:2px solid #dfe8fa;border-bottom:5px solid #ccd9f0;border-radius:20px;color:#566a9b}.archive-detour>img{width:62px;height:74px;border-radius:16px;object-fit:cover;border:3px solid white;transform:rotate(-6deg);flex-shrink:0}.archive-detour>span{display:flex;flex-direction:column;gap:7px;flex:1}.archive-detour small{font-size:9px;letter-spacing:.04em}.archive-detour strong{font-size:17px;line-height:1.2;color:#45567d}.archive-detour>span>span{font-size:11px;font-weight:700}.archive-detour>.icon{width:16px;flex-shrink:0}.archive-detour:hover>img{transform:rotate(0deg)}
.explore-strip{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin:26px 0}.explore-strip>button{display:flex;align-items:center;text-align:left;gap:15px;border:2px solid #dce9ed;border-bottom:5px solid #dce9ed;border-radius:18px;background:#fff;padding:20px;color:#2599bb}.explore-strip>button:first-child{color:#9172c5;border-color:#e6dff4;background:#fcfaff}.explore-strip>button>span{display:flex;flex:1;flex-direction:column;gap:6px}.explore-strip strong{font-size:17px;font-weight:900;color:var(--ink)}.explore-strip small{font-size:12px;color:#7c8d94;font-weight:600}.explore-strip>button>.icon{width:30px;height:30px}.explore-strip>button>.icon:last-child{width:19px;height:19px}.explore-strip>button:active{transform:translateY(3px)}
.playful-curiosity{border:2px solid #f2deab;border-bottom:5px solid #f2deab;background:#fff9e9;border-radius:20px;padding:22px;margin:28px 0 40px}.curiosity-symbol{width:47px;height:47px;display:grid;place-items:center;border-radius:17px;background:#f5cf68;color:#866320;font-size:30px;font-weight:900;transform:rotate(-8deg);flex-shrink:0}.playful-curiosity strong{font-size:20px;font-weight:900;color:#725a2b}.curiosity-toggle{font-weight:900;color:#95732c}.curiosity-peek>div{padding-left:0}
.course-library{scroll-margin-top:24px}.library-heading h2{font-weight:900}.library-filters{border-radius:18px;background:#f1f7f5;border:2px solid #e5eeea}.library-filters input,.library-filters select{border:2px solid #d9e5df;border-radius:12px;font-family:Nunito,sans-serif;font-weight:700}.course-era{border:2px solid #e3ebe6;border-bottom:5px solid #dce7df;border-radius:20px}.course-era-title>h3{font-weight:900;font-size:23px}.course-era>summary{min-height:126px;padding:20px}.course-era summary>img,.epoch-monogram{border-radius:15px;width:96px;height:84px}.epoch-monogram{background:#eff4fb;color:#8eaed0;font-weight:900}.course-era:nth-child(3n+2) .epoch-monogram{background:#fff0db;color:#c29c66}.course-era:nth-child(3n) .epoch-monogram{background:#f0ebfb;color:#a090c4}.era-expand{border:2px solid #cbe5d5;background:#f2fcf6}.course-row strong{font-weight:800;font-size:18px}.course-row small{font-size:15px}.course-status{border-radius:15px;border-bottom:4px solid #c8e5d8;min-width:42px;min-height:44px}.course-row:hover{background:#f9fdfa}.course-rows{padding:0 20px}
.page-heading h1,.editorial-heading h1{font-weight:900;letter-spacing:-.03em}.notebook{border:2px solid #e3e8ee;border-bottom:5px solid #d9e1e8;border-radius:23px;box-shadow:none}.notebook-index{background:#f6f3fc;border-right:2px solid #e8e0f3}.index-heading>strong{color:#766197;font-weight:900}.notebook-filters button{border-radius:11px;font-weight:800}.notebook-filters button[aria-pressed=true]{background:#e6dcf5;color:#6c528b}.folio-index button{border-radius:12px;margin:3px 10px;width:calc(100% - 20px);border:2px solid transparent;font-weight:800}.folio-index button[aria-current=true]{background:#e8def7;border-color:#cdbbe8;color:#6c528b}.folio-index button>span:first-child{color:#9e8bb7}.folio-page{background:#fff}.folio-intro h2{font-weight:900}.specimen{border-radius:20px;background:#f4f8f6}.folio-note{background:#fff9e9;border:2px solid #f2e7c7;border-radius:18px;padding:20px;margin-top:10px}.folio-note label{font-size:19px;font-weight:900;color:#917135}.folio-note textarea{border:0;background:#fffdf7;border-radius:12px}.folio-toolbar .icon-button{background:#f6f3fc;color:#8670a7}.folio-count{color:#8b70b1}.folio-count strong{font-weight:900}
.atlas{border:2px solid #dce8ef;border-radius:23px;overflow:hidden}.atlas-toolbar{background:#f6faff}.atlas-toolbar select,.notebook-era-label select,.mobile-index select{border:2px solid #dfe7ed;border-radius:12px;background:white;padding:9px 12px;min-height:44px;font-weight:800}.zoom-control button{border:2px solid #d1e1ed;border-bottom:4px solid #d1e1ed;border-radius:12px;background:#fff;color:#448aa9}.zoom-steps{background:#fff}.zoom-steps button{font-weight:900;color:#7b919d}.zoom-steps button.active{color:#3b91b5}.zoom-steps button>span{border-radius:8px}.atlas-minimap button{border-radius:12px;border:2px solid transparent}.atlas-minimap button.active{background:#e4f4fc;border-color:#b9dce9;color:#257695}.atlas-canvas{background:#edf8fd;color:#2e5a6e}.atlas-atmosphere{display:none}.era-stop strong,.atlas-overview-bottom h2,.atlas-detail-heading h2,.milestone-select>strong{color:#2d6075;font-weight:900}.era-stop small,.atlas-overview-bottom p,.atlas-detail-heading p,.milestone-date{color:#698c9c}.era-stop-date{color:#4c8197}.era-stop-dot{background:#fff;border:5px solid #6dbada;box-shadow:0 4px 0 #4298bb}.era-stop:before,.era-rail:before{background:#beddea}.atlas-enter{background:#52b7dc;color:#12495d;border-radius:15px;border-bottom:4px solid #359bc1;font-weight:900}.landmark-detail{background:#fff;border:2px solid #cce4ef;border-bottom:5px solid #cce4ef;border-radius:20px}.landmark-detail h3{color:#335b70;font-weight:900}.landmark-detail p{color:#536f7c}.landmark-detail .eyebrow,.landmark-detail a{color:#2986a9}.atlas-packs>button{border:2px solid #cee1eb;border-bottom:5px solid #bdd6e3;border-radius:15px;background:#fff;color:#496c7d;font-weight:800}.atlas-packs>button[aria-pressed=true]{background:#ccecf7;color:#225e77;border-color:#8ac6dd}.atlas-pack-preview{border-radius:20px;background:#fff;border:2px solid #cde5ef}.atlas-pack-preview h3,.atlas-pack-preview p{color:#416c7f}.atlas-lesson-list button{color:#426779;border-bottom:2px solid #d5e6ed}.atlas-lesson-number{color:#5b9db9;font-weight:900}.atlas-lesson-list strong{font-weight:900}.atlas-lesson-list small{color:#6e8c98}.milestone-select[aria-pressed=true]>strong{color:#1683ac}.milestone-open{color:#2987ad}.atlas-caption{background:#f9fcff}
#lesson-dialog{border:2px solid #e5ece8;border-radius:26px;background:#fff}#info-dialog{border:2px solid #e2e9e6;border-radius:24px}.lesson-header{background:#fff;border-bottom:2px solid #f0f4f2}.lesson-top-progress>div{height:14px;background:#e8edea;border-radius:20px}.lesson-top-progress>div>span{background:#1bc992;border-radius:20px;position:relative}.lesson-top-progress>div>span:after{content:'';height:4px;top:3px;left:5px;right:5px;border-radius:5px;background:#ffffff66;position:absolute}.lesson-top-progress small{font-size:11px;font-weight:900;color:#799086}.lesson-xp{font-weight:900;color:#c99b31}.story-text{background:#fff}.story-text h2{font-weight:900;color:#344d44}.story-paragraph{font-family:'Source Sans 3',sans-serif;font-weight:400;font-size:21px;line-height:1.6}.fact-box{border-radius:18px;background:#eaf9f1;border:2px solid #d6eedf}.fact-box p{font-size:16px;font-weight:600}.story-period>strong{font-weight:900}.anecdote{border:2px solid #f1dca6;border-bottom:5px solid #f1dca6;border-radius:18px;background:#fff9e9}.anecdote>summary{font-weight:900;color:#8e7034}.anecdote h3{font-weight:900;color:#77602d}.question-emblem{background:#eaf5fc;color:#63a9ca;border-radius:17px;transform:rotate(-7deg)}.question-wrap h2{font-weight:900;line-height:1.2}.question-instruction{color:#84948e;font-size:15px}.answer{border:2px solid #e1e9e5;border-bottom:5px solid #dbe5df;border-radius:16px;min-height:68px;background:#fff;font-size:17px;font-weight:800;transition:background .18s,transform .18s,border-color .18s}.answer-letter{border:2px solid #dce7e1;border-radius:11px;background:#fff;font-size:14px;font-weight:900;min-width:32px;height:32px;color:#82988c}.answer:hover:not(:disabled){background:#f3fcf7;border-color:#a6d8bf;transform:translateY(-2px)}.answer.selected{background:#e1f5fc;border-color:#8acfe6;color:#28718b}.answer.correct{background:#ddf6e8;border-color:#79d4ab;color:#287450}.answer.incorrect{background:#fff0e9;border-color:#edb09b;color:#a25f48}.answer:active:not(:disabled){transform:translateY(3px)}.feedback{border-radius:18px;border:2px solid #c5e6d5;background:#ecfaf2}.feedback.success{background:#e7faee;color:#287650}.feedback.try-again{background:#fff6e6;border-color:#f3dfb6;color:#8e6f31}.feedback p{font-size:16px;line-height:1.6}.feedback strong{font-weight:900}.result-wrap h2{font-weight:900}.result-keepsake{border-radius:22px;transform:rotate(-3deg);border:4px solid white;box-shadow:0 7px 0 #dcebe2}.result-keepsake img{border-radius:18px}.result-keepsake>span{width:46px;height:46px;background:#21bc89}.result-stats{gap:14px}.result-stats>div{border:2px solid #e4ede7;border-radius:16px;padding:18px 12px;background:#f8fcfa}.result-stats strong{font-weight:900;color:#16a67a}.review-card{border:2px solid #e3eae5;border-bottom:5px solid #dce6df;border-radius:20px;box-shadow:none}.review-card h3{font-weight:900}.review-card-icon{border-radius:17px;background:#fff0d2;color:#ca9c40}.review-banner{border-radius:22px;background:#fff7e6;border:2px solid #f0e0bd}.review-banner h2{font-weight:900}.info-wrap h2{font-weight:900}.footer{font-size:11px;color:#a1ada7}.footer button{font-size:11px}
@media(min-width:1500px){.adventure-grid{grid-template-columns:minmax(0,1fr) 330px}.mission-label strong{font-size:20px}.mission-step{margin-bottom:25px}.mission-orb{width:88px;height:82px}.camp-art{height:210px}}
@media(max-width:1100px) and (min-width:701px){#main{padding:28px 25px}.adventure-grid{grid-template-columns:minmax(0,1fr) 235px;gap:18px}.adventure-heading{align-items:flex-start}.adventure-heading>.button{font-size:12px;min-height:44px;padding:10px}.adventure-heading h1{font-size:32px}.world-heading{padding:20px}.world-heading h2{font-size:25px}.world-emblem{display:none}.mission-path{padding:25px 12px 12px}.mission-orb{width:65px;height:62px}.mission-button{gap:13px}.mission-label strong{font-size:15px}.step-0{padding-left:0}.step-1,.step-3{padding-left:10%}.step-2{padding-left:17%}.mission-go{display:none}.next-mission{padding:17px}.mini-milestone{flex-wrap:wrap}.mini-milestone>span{margin-left:0}.camp-art{height:145px}.next-mission h2{font-size:21px}.daily-goal{padding:15px}.archive-detour{padding:12px;gap:10px}.archive-detour>img{width:45px;height:60px}.archive-detour strong{font-size:15px}}
@media(max-width:700px){.sidebar{display:none}.workspace{margin-left:0}.topbar{height:68px;padding:0 20px;position:sticky;top:0;z-index:25;background:#ffffffed}.mobile-brand{font-size:30px}.stats{gap:16px}.stats>span:first-child .icon{fill:#ffdfb3}.avatar.small{height:36px;width:36px;border-radius:13px}.stats b{font-size:15px}#main{padding:24px 18px 12px}.adventure-heading{display:block;margin-bottom:20px}.hello-line{font-size:12px;margin-bottom:7px}.adventure-heading h1{font-size:30px;max-width:12ch;line-height:1.12}.adventure-heading>.button{margin-top:15px;font-size:12px;padding:8px 12px;min-height:40px;border-radius:12px;gap:7px}.adventure-heading>.button>.icon{height:16px;width:16px}.era-picker{gap:9px;margin-bottom:18px;flex-wrap:wrap}.era-picker>label{font-size:12px}.era-picker select{font-size:14px;max-width:calc(100% - 76px);padding:8px 28px 8px 10px;flex:1;min-width:0}.era-picker>span{display:none}.adventure-grid{grid-template-columns:1fr;gap:20px}.mission-world{border-radius:22px}.world-heading{padding:21px 19px}.world-heading>div>span{font-size:10px}.world-heading h2{font-size:27px}.world-heading p{font-size:12px}.world-emblem{width:50px;height:54px;border-radius:16px}.world-emblem .icon{height:29px;width:29px}.mission-path{padding:25px 13px 8px}.mission-step{min-height:86px;margin-bottom:22px}.mission-button{gap:15px}.mission-orb{width:68px;height:65px}.mission-orb>.icon{width:29px;height:29px}.mission-label strong{font-size:15px;line-height:1.25}.mission-label>span{font-size:11px}.mission-label small{font-size:9px}.step-0{padding-left:0}.step-1{padding-left:10%}.step-2{padding-left:17%}.step-3{padding-left:8%}.mission-go{display:none}.world-footer{font-size:10px;padding:14px}.path-more{font-size:12px;min-height:44px}.adventure-aside{grid-template-columns:1fr}.next-mission{display:grid;grid-template-columns:84px 1fr;gap:0 15px;padding:18px}.mini-milestone{grid-column:1/3;font-size:11px}.mini-milestone>span{font-size:10px}.next-mission>.level-track{grid-column:1/3;margin-bottom:16px}.camp-art,.next-mission>.era-art{grid-column:1;grid-row:3/5;width:84px;height:120px;margin:0;align-self:center}.era-art>.icon{width:45px;height:45px}.era-art>span{display:none}.next-mission h2{grid-column:2;font-size:20px;margin:4px 0 8px}.next-mission>p{grid-column:2;font-size:13px;margin:0 0 14px}.next-mission>.button{grid-column:1/3;margin-top:8px}.daily-goal{padding:17px}.daily-goal h3{font-size:15px}.daily-goal p{font-size:12px}.archive-detour{padding:16px}.archive-detour strong{font-size:18px}.archive-detour small{font-size:10px}.archive-detour>span>span{font-size:12px}.explore-strip{grid-template-columns:1fr;gap:14px;margin:22px 0}.explore-strip>button{padding:18px}.explore-strip strong{font-size:17px}.playful-curiosity{padding:18px;margin:23px 0 32px}.playful-curiosity summary{gap:13px}.playful-curiosity strong{font-size:18px}.curiosity-symbol{width:38px;height:42px;font-size:26px;border-radius:13px}.curiosity-peek summary>span:first-of-type{flex:0}.curiosity-peek summary>span:nth-child(2){flex:1;font-size:11px}.course-era>summary{padding:18px 14px;gap:14px}.course-era summary>img,.epoch-monogram{width:64px;height:75px}.course-era-title>h3{font-size:20px}.course-era-title>span{font-size:11px}.course-era-title>p{font-size:12px}.course-row strong{font-size:17px}.course-row small{font-size:14px}.course-library{scroll-margin-top:85px}.mobile-nav{height:76px;border-top:2px solid #e4ede8;background:#fffefaf5;padding:7px 9px max(9px,env(safe-area-inset-bottom))}.mobile-nav button{font-size:10px;font-weight:900;border-radius:14px;color:#8c9c94;border:2px solid transparent;gap:3px}.mobile-nav button.active{color:#079d71;background:#dff8eb;border-color:#bcead4}.mobile-nav button>.icon{height:25px;width:25px;stroke-width:2.2}.mobile-nav button:nth-child(2)>.icon{color:#d2a142}.mobile-nav button:nth-child(3)>.icon{color:#a18ac6}.mobile-nav button:nth-child(4)>.icon{color:#58a5c7}.notebook{border-radius:22px}.notebook-index{border-right:0;border-bottom:2px solid #e5dcf0}.folio-page{padding:0 20px 22px}.folio-intro h2{font-size:29px}.folio-toolbar>span{font-size:10px}.folio-note{padding:17px}.folio-note textarea{font-size:16px}.folio-idea>p{font-size:17px}.folio-note label{font-size:19px}.notebook-filters button{font-size:13px}.mobile-index{font-size:12px}.mobile-index select{font-size:15px}.atlas{border-radius:20px}.atlas-canvas{padding:23px 20px}.atlas-toolbar select{font-size:15px}.atlas-detail-heading h2{font-size:29px}.atlas-detail-heading p,.atlas-overview-bottom p{font-size:15px}.era-stop strong{font-size:24px}.era-stop small{font-size:12px}.era-stop-date{font-size:11px}.zoom-steps button{font-size:11px}.zoom-steps button>span{height:20px;width:20px;font-size:10px}.landmark-detail{padding:20px}.atlas-lesson-list strong{font-size:17px}.atlas-lesson-list small{font-size:12px}.atlas-packs>button{font-size:14px}.atlas-packs>button>small{font-size:12px}.atlas-enter{font-size:14px}#lesson-dialog{border:0;border-radius:0}.lesson-header{padding:15px}.lesson-top-progress small{font-size:9px}.lesson-top-progress>div{height:12px}.lesson-xp{font-size:11px}.story-text{padding:25px 24px}.story-text h2{font-size:30px;line-height:1.2}.story-paragraph{font-size:20px;line-height:1.55}.fact-box{padding:16px}.fact-box p{font-size:16px}.story-footer .button{font-size:15px;min-height:50px}.question-wrap h2{font-size:29px}.question-wrap{padding:28px 23px}.question-instruction{font-size:14px}.answer{font-size:16px;padding:15px 12px;min-height:72px;gap:12px}.question-bottom>.button{font-size:15px;min-height:50px}.question-bottom>span{font-size:11px}.feedback p{font-size:16px}.result-stats{gap:8px}.result-stats>div{padding:14px 8px}.result-stats span{font-size:11px}.result-stats strong{font-size:24px}.result-wrap>p:not(.small-note){font-size:17px}.result-wrap .small-note{font-size:13px}.info-wrap p{font-size:16px}.footer{margin-bottom:95px;font-size:10px}.footer button{font-size:10px}}
@media(prefers-reduced-motion:reduce){.button,.mission-orb,.answer{transition:none}.mission-button:hover .mission-orb{transform:none}}
:root[data-motion=off] .button,:root[data-motion=off] .mission-orb,:root[data-motion=off] .answer{transition:none}
.era-stop.selected strong{color:#157b9e}.era-stop.selected .era-stop-dot{background:#329ec3;border-color:#99d5e8;box-shadow:0 4px 0 #287e9c}.atlas-minimap button[aria-current=true]{color:#236d8a}.atlas-minimap-window{background:#d2edf680;border-color:#c0dfe9}.zoom-steps button[aria-current=step]{color:#267e9e}.zoom-steps button[aria-current=step]>span{background:#4ea7c7;color:#fff}.atlas-era-cover{background:#d4ecf6;border-radius:16px;color:#326b83}.atlas-era-cover span{color:#53788a}.atlas-lesson-list button:hover{background:#dceff7}.milestone-select[aria-pressed=true] .milestone-date{color:#276f8e}
.hello-line,.mission-label>span,.next-mission>p,.mini-milestone>span,.explore-strip small{color:#63766d}.mini-milestone{color:#986c22}.daily-goal p{color:#7b683f}.world-footer{color:#5e796b}.stats>span:first-child{color:#b5662a}.stats>span:nth-child(2){color:#1c7fa3}.question-instruction{color:#66796e}
.question-bottom{position:sticky;bottom:0;background:#fff;padding:18px 0 4px;z-index:2;box-shadow:0 -10px 15px #fff;margin-bottom:0}
.notebook-filters{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));background:transparent;gap:4px}.notebook-filters button{padding:8px 3px;font-size:11px}.notebook-filters button[aria-pressed=true]{border:2px solid #d3c4e9;background:#e9e0f5}
#library-title{scroll-margin-top:24px}
@media(max-width:700px){#library-title{scroll-margin-top:90px}.notebook-filters button{font-size:13px}}