@import"https://fonts.googleapis.com/css2?family=Fredoka:wght@500;600;700&family=Noto+Sans+SC:wght@400;500;600;700;800&display=swap";:root{font-family:Noto Sans SC,PingFang SC,sans-serif;color:#183d38;background:#f7f1e3;font-synthesis:none;text-rendering:optimizeLegibility;--ink: #183d38;--ink-soft: #55706a;--forest: #173f3a;--forest-light: #285d54;--cream: #f7f1e3;--paper: #fffdf7;--coral: #f4775e;--coral-dark: #d95743;--gold: #f6c854;--teal: #62a99a;--mint: #cfe3ce;--line: rgba(24, 61, 56, .14);--shadow: 0 20px 55px rgba(38, 62, 49, .1);--font-display: "Fredoka", "Noto Sans SC", sans-serif}*{box-sizing:border-box}html{min-width:320px;background:var(--cream)}body{margin:0;min-width:320px;min-height:100vh}button,input,select{font:inherit}button,a{-webkit-tap-highlight-color:transparent}button{color:inherit;cursor:pointer}button:disabled{cursor:not-allowed;opacity:.5}a{color:inherit;text-decoration:none}h1,h2,h3,p{margin-top:0}h1,h2,h3{letter-spacing:-.035em}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid rgba(244,119,94,.4);outline-offset:3px}::selection{color:var(--forest);background:var(--gold)}.page-enter-active,.page-leave-active{transition:opacity .18s ease,transform .18s ease}.page-enter-from{opacity:0;transform:translateY(6px)}.page-leave-to{opacity:0;transform:translateY(-3px)}.eyebrow{margin-bottom:12px;color:var(--coral-dark);font-family:var(--font-display);font-size:.68rem;font-weight:700;letter-spacing:.17em;line-height:1.5;text-transform:uppercase}.eyebrow.light{color:#f6c854}.primary-button,.secondary-button{display:inline-flex;min-height:48px;align-items:center;justify-content:center;gap:16px;padding:0 22px;border-radius:14px;font-weight:700;line-height:1.3;transition:transform .18s ease,box-shadow .18s ease,background .18s ease}.primary-button{border:1px solid var(--forest);color:#fffaf0;background:var(--forest);box-shadow:0 5px #0b2b27}.primary-button:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 7px #0b2b27;background:#21524b}.primary-button:active:not(:disabled){transform:translateY(3px);box-shadow:0 2px #0b2b27}.secondary-button{border:1px solid 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small{margin-top:6px;font-family:var(--font-display);font-size:.52rem;font-weight:600;letter-spacing:.15em}.app-shell{position:relative;min-height:100vh;overflow:hidden;background:var(--cream)}.app-shell:before{position:fixed;z-index:0;top:0;right:0;bottom:0;left:0;pointer-events:none;content:"";opacity:.28;background-image:radial-gradient(rgba(24,61,56,.25) .55px,transparent .55px);background-size:8px 8px}.paper-orb{position:absolute;z-index:0;border-radius:50%;pointer-events:none;filter:blur(1px)}.paper-orb--one{top:130px;right:-140px;width:360px;height:360px;background:#62a99a1c}.paper-orb--two{top:650px;left:-170px;width:390px;height:390px;background:#f6c8541a}.app-header{position:relative;z-index:10;display:flex;width:min(1180px,calc(100% - 48px));height:92px;align-items:center;justify-content:space-between;gap:30px;margin:0 auto;border-bottom:1px solid var(--line)}.brand-link{flex:0 0 auto}.main-nav{display:flex;align-items:center;gap:36px;margin-left:auto}.main-nav a{position:relative;padding:10px 0;color:var(--ink-soft);font-size:.88rem;font-weight:600}.main-nav a.router-link-active{color:var(--forest)}.main-nav a.router-link-active:after{position:absolute;right:0;bottom:2px;left:0;height:3px;border-radius:3px;background:var(--coral);content:""}.header-actions{display:flex;align-items:center;gap:12px}.user-chip{display:flex;align-items:center;gap:9px;padding:4px 12px 4px 4px;border:1px solid var(--line);border-radius:30px;background:#fffdf78c}.user-chip__avatar{display:grid;width:32px;height:32px;place-items:center;border-radius:50%;color:#fff;background:var(--coral);font-weight:700}.user-chip__name{max-width:100px;overflow:hidden;font-size:.8rem;font-weight:600;text-overflow:ellipsis;white-space:nowrap}.logout-button{width:38px;height:38px}.shell-main{position:relative;z-index:1;width:min(1120px,calc(100% - 48px));min-height:calc(100vh - 158px);margin:0 auto;padding:58px 0 80px}.app-footer{position:relative;z-index:1;padding:0 24px 24px;color:var(--ink-soft);font-size:.74rem;text-align:center}.page-heading{max-width:750px;margin-bottom:42px}.page-heading h1,.map-welcome h1{margin-bottom:15px;font-size:clamp(2rem,4vw,3.15rem);line-height:1.22}.page-heading>p:last-child,.map-welcome>div>p:last-child{color:var(--ink-soft);line-height:1.85}.loading-state{display:grid;min-height:300px;place-content:center;justify-items:center;color:var(--ink-soft)}.loading-state p{margin:12px 0 0;font-size:.86rem}.loading-sprout{display:inline-block;font-size:2.5rem;animation:sprout 1.3s ease-in-out infinite}.error-card{max-width:560px;margin:50px auto;padding:32px;border:1px solid rgba(217,87,67,.25);border-radius:20px;background:#fff8f2;text-align:center}.error-card .secondary-button{margin-top:10px}.form-error,.field-error{color:#b44335;font-size:.8rem;line-height:1.6}.form-error{margin:4px 0 0;padding:10px 12px;border-radius:10px;background:#fff0e9}.inline-notice{padding:14px 18px;border-left:3px solid var(--gold);border-radius:4px 12px 12px 4px;background:#fff8dc;font-size:.85rem;line-height:1.7}.auth-page{display:grid;min-height:100svh;grid-template-columns:minmax(400px,.92fr) 1.08fr;background:var(--paper)}.auth-story{position:relative;display:flex;min-height:100svh;flex-direction:column;overflow:hidden;padding:42px 52px 32px;color:#fff9e9;background:var(--forest)}.auth-story:before{position:absolute;top:0;right:0;bottom:0;left:0;content:"";opacity:.15;background-image:radial-gradient(#fff .7px,transparent .7px);background-size:11px 11px}.auth-story .brand{position:relative;z-index:2;color:#fff9e9}.auth-story__copy{position:relative;z-index:2;margin-top:clamp(55px,9vh,105px)}.auth-story__copy h1{margin-bottom:24px;font-size:clamp(2.25rem,4.1vw,4rem);font-weight:700;line-height:1.24}.auth-story__copy h1 em{color:var(--gold);font-style:normal}.auth-story__copy>p:last-child{max-width:450px;color:#fff9e9b8;font-size:.93rem;line-height:1.9}.auth-story__foot{position:relative;z-index:2;margin:auto 0 0;color:#fff9e97a;font-size:.73rem;letter-spacing:.06em}.paper-island{position:absolute;right:-20px;bottom:45px;left:0;height:38%;min-height:250px}.island-sun{position:absolute;top:4%;right:16%;width:64px;height:64px;border-radius:50%;background:var(--gold);box-shadow:0 0 0 14px #f6c85414}.island-hill{position:absolute;border-radius:50% 50% 12% 12%;transform:rotate(-4deg)}.island-hill--back{right:-5%;bottom:0;width:85%;height:70%;background:#327165}.island-hill--front{bottom:-13%;left:-18%;width:94%;height:77%;background:#4d8c75;transform:rotate(8deg)}.letter-leaf{position:absolute;z-index:2;display:grid;width:58px;height:70px;place-items:center;border-radius:60% 15% 60% 20%;color:var(--forest);background:var(--gold);font-family:var(--font-display);font-size:2rem;font-weight:700;box-shadow:0 10px 20px #00000024}.letter-leaf--s{bottom:39%;left:17%;transform:rotate(-14deg)}.letter-leaf--a{right:27%;bottom:36%;background:#f59475;transform:rotate(12deg)}.letter-leaf--t{right:9%;bottom:7%;background:#dce5b8;transform:rotate(24deg)}.sound-path{position:absolute;z-index:3;right:26%;bottom:3%;width:35%;height:40%;border-bottom:3px dashed rgba(255,255,255,.55);border-radius:50%;transform:rotate(-8deg)}.tiny-house{position:absolute;z-index:4;right:22%;bottom:18%;color:#fff8e9;font-size:4rem;transform:rotate(-4deg)}.auth-panel{display:grid;min-height:100svh;place-items:center;padding:36px 7vw;background:var(--paper)}.auth-card{width:min(100%,510px)}.auth-tabs{display:inline-flex;margin-bottom:36px;padding:4px;border-radius:12px;background:#f0ebdf}.auth-tabs button{padding:9px 20px;border:0;border-radius:9px;color:var(--ink-soft);background:transparent;font-size:.8rem;font-weight:600}.auth-tabs button.active{color:var(--forest);background:#fff;box-shadow:0 3px 12px #183d3814}.auth-heading{margin-bottom:28px}.auth-heading h2{margin-bottom:10px;font-size:1.8rem}.auth-heading>p:last-child{color:var(--ink-soft);font-size:.84rem;line-height:1.7}.auth-form{display:grid;gap:17px}.field{display:grid;gap:8px}.field>span,.choice-field legend{font-size:.78rem;font-weight:600}.field input,.field select{width:100%;min-height:49px;padding:0 14px;border:1px solid var(--line);border-radius:12px;outline:none;color:var(--forest);background:#fffefb;font-size:.85rem;transition:border .18s,box-shadow .18s}.field input:focus,.field select:focus{border-color:var(--teal);box-shadow:0 0 0 3px #62a99a21}.field input::placeholder{color:#98a7a0}.choice-field{padding:0;border:0}.choice-field legend{margin-bottom:8px}.segmented-control{display:grid;grid-template-columns:1fr 1fr;gap:10px}.segmented-control label{position:relative;display:grid;gap:4px;padding:12px 14px;border:1px solid var(--line);border-radius:12px;cursor:pointer}.segmented-control label.selected{border-color:var(--teal);background:#f0f7ef}.segmented-control input{position:absolute;opacity:0}.segmented-control strong{font-size:.82rem}.segmented-control small{color:var(--ink-soft);font-size:.68rem}.auth-submit{width:100%;margin-top:4px}.demo-divider{display:flex;align-items:center;gap:12px;margin:26px 0 16px;color:#86968f;font-size:.7rem}.demo-divider:before,.demo-divider:after{height:1px;flex:1;background:var(--line);content:""}.demo-buttons{display:grid;grid-template-columns:1fr 1fr;gap:12px}.demo-buttons button{display:grid;grid-template-columns:auto 1fr;gap:2px 10px;padding:12px;border:1px solid var(--line);border-radius:12px;background:transparent;text-align:left}.demo-buttons button:hover{background:#f8f5eb}.demo-buttons button>span{grid-row:1 / 3;align-self:center;font-size:1.5rem}.demo-buttons strong{font-size:.76rem}.demo-buttons small{color:var(--ink-soft);font-size:.65rem}.map-welcome{display:flex;align-items:flex-end;justify-content:space-between;gap:35px;margin-bottom:36px}.map-welcome>div:first-child{max-width:680px}.map-welcome h1{font-size:clamp(1.9rem,3.6vw,2.85rem)}.map-actions{display:flex;flex:0 0 auto;flex-wrap:wrap;align-items:center;justify-content:flex-end;gap:10px}.mini-stats{display:flex;width:100%;justify-content:flex-end;gap:15px;margin-bottom:5px;color:var(--ink-soft);font-size:.72rem}.mini-stats span:first-child{color:#b37b00;font-weight:700}.island-map{position:relative;min-height:520px;padding:34px 40px;overflow:hidden;border:1px solid rgba(24,61,56,.08);border-radius:28px;background:#e5eee0;box-shadow:var(--shadow)}.island-map:before{position:absolute;right:-10%;bottom:-42%;width:80%;height:90%;border-radius:50%;background:#fff6;content:"";transform:rotate(-12deg)}.island-map--coral{background:#e4eddd}.island-map--teal{background:#dcece7}.island-map--gold{background:#f2e9ca}.island-map__heading{position:relative;z-index:2;display:flex;align-items:flex-end;justify-content:space-between;gap:30px;padding-bottom:25px;border-bottom:1px solid rgba(24,61,56,.12)}.island-map__heading h2{margin:0;font-size:1.8rem}.island-map__heading>p{max-width:380px;margin:0;color:var(--ink-soft);font-size:.76rem;line-height:1.75}.map-cloud{position:absolute;width:90px;height:24px;border-radius:30px;background:#ffffff73}.map-cloud:before,.map-cloud:after{position:absolute;bottom:0;border-radius:50%;background:inherit;content:""}.map-cloud:before{left:17px;width:38px;height:38px}.map-cloud:after{right:12px;width:29px;height:29px}.map-cloud--one{top:140px;right:10%}.map-cloud--two{bottom:45px;left:5%;transform:scale(.65)}.lesson-trail{position:relative;z-index:2;display:flex;gap:70px;padding:60px 20px 30px}.lesson-stop{position:relative;display:flex;width:200px;flex-direction:column;align-items:center;padding:0;border:0;background:none;text-align:center}.lesson-stop:nth-child(2n){transform:translateY(45px)}.trail-connector{position:absolute;top:34px;left:130px;width:140px;border-top:3px dashed rgba(24,61,56,.22);transform:rotate(9deg);transform-origin:left}.lesson-trail--many{gap:24px;padding:50px 10px 45px;overflow-x:auto;scrollbar-width:thin}.lesson-trail--many .lesson-stop{width:180px;flex:0 0 180px}.lesson-trail--many .trail-connector{left:125px;width:79px}.island-map--many .map-mascot{display:none}.lesson-node{position:relative;display:grid;width:72px;height:72px;place-items:center;margin-bottom:18px;border:6px solid rgba(255,255,255,.6);border-radius:50%;color:#fff;background:var(--teal);box-shadow:0 7px #183d3826;transition:transform .2s}.lesson-stop--completed .lesson-node{color:var(--forest);background:var(--gold)}.lesson-stop--locked .lesson-node{color:#87958b;background:#d7ddcf;box-shadow:0 7px #183d3812}.node-icon{font-family:var(--font-display);font-size:1.5rem;font-weight:700}.current-ring{position:absolute;top:-15px;right:-15px;bottom:-15px;left:-15px;border:2px dashed var(--coral);border-radius:50%;animation:spin 18s linear infinite}.lesson-label{display:flex;flex-direction:column;align-items:center}.lesson-label>small{margin-bottom:5px;color:var(--coral-dark);font-size:.62rem;font-weight:700}.lesson-label>strong{margin-bottom:7px;font-size:.94rem}.lesson-label>span:not(.lesson-stars){min-height:32px;color:var(--ink-soft);font-size:.68rem;line-height:1.5}.lesson-stars{display:flex;align-items:center;gap:2px;margin-top:8px}.lesson-stars i{color:#183d3829;font-style:normal}.lesson-stars i.earned{color:#d99e19}.lesson-stars em{margin-left:5px;color:var(--ink-soft);font-size:.56rem;font-style:normal}.map-mascot{position:absolute;right:7%;bottom:38px;width:120px;height:110px;transform:rotate(4deg)}.mascot-face{position:absolute;top:5px;left:20px;display:block;width:82px;height:74px;border-radius:50% 50% 45% 45%;background:var(--coral);box-shadow:inset 0 -8px #0000000d}.mascot-face i{position:absolute;top:28px;left:22px;width:7px;height:9px;border-radius:50%;background:var(--forest)}.mascot-face i:nth-child(2){left:52px}.mascot-face b{position:absolute;top:43px;left:37px;width:11px;height:6px;border-bottom:2px solid var(--forest);border-radius:50%}.mascot-ear{position:absolute;z-index:-1;top:-4px;width:35px;height:42px;border-radius:70% 10%;background:var(--coral)}.mascot-ear--left{left:16px;transform:rotate(-25deg)}.mascot-ear--right{right:10px;transform:scaleX(-1) rotate(-25deg)}.mascot-sign{position:absolute;right:0;bottom:0;left:0;padding:8px;border-radius:4px;color:var(--forest);background:#fff8df;font-size:.65rem;font-weight:700;text-align:center;box-shadow:0 4px #183d381a}.report-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:15px;margin-bottom:24px}.report-stats article{display:flex;align-items:center;gap:16px;padding:22px;border:1px solid var(--line);border-radius:18px;background:#fffdf7a6}.stat-icon{display:grid;width:44px;height:44px;flex:0 0 auto;place-items:center;border-radius:14px;font-family:var(--font-display);font-size:1.25rem}.stat-icon--coral{background:#ffe0d6;color:var(--coral-dark)}.stat-icon--gold{background:#fff0b9;color:#b27c00}.stat-icon--teal{background:#d9ede6;color:var(--forest-light)}.stat-icon--ink{background:#dfe5df;color:var(--forest)}.report-stats article>div{display:flex;flex-direction:column}.report-stats strong{font-family:var(--font-display);font-size:1.85rem;line-height:1.1}.report-stats sup{font-size:.85rem}.report-stats small{margin-top:5px;color:var(--ink-soft);font-size:.66rem}.report-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:24px}.report-card{padding:28px;border:1px solid var(--line);border-radius:22px;background:var(--paper)}.report-card h2{margin-bottom:22px;font-size:1.35rem}.skill-list{display:grid}.skill-list>div{display:grid;grid-template-columns:35px 1fr auto;align-items:center;gap:10px;padding:13px 0;border-top:1px solid var(--line)}.skill-rank{color:var(--coral);font-family:var(--font-display);font-size:.75rem}.skill-list strong{font-size:.86rem}.skill-list>div>span:last-child{color:var(--ink-soft);font-size:.68rem}.completed-list{display:grid}.completed-list>div{display:flex;align-items:center;gap:12px;padding:12px 0;border-top:1px solid var(--line)}.completed-check{display:grid;width:28px;height:28px;flex:0 0 auto;place-items:center;border-radius:50%;color:var(--forest);background:var(--mint);font-size:.75rem}.completed-list>div>div{display:grid;gap:4px}.completed-list strong{font-size:.8rem}.completed-list small{color:var(--ink-soft);font-size:.62rem}.score-badge{margin-left:auto;color:#a5740c;font-size:.66rem;white-space:nowrap}.empty-state{display:grid;min-height:160px;place-content:center;justify-items:center;color:var(--ink-soft);text-align:center}.empty-state>span{margin-bottom:12px;font-size:2rem}.empty-state h3{margin-bottom:8px;color:var(--forest);font-size:.95rem}.empty-state p{margin:0;font-size:.73rem;line-height:1.7}.empty-state a{color:var(--coral-dark)}.mistakes-card{margin-top:24px}.report-card__heading{display:flex;align-items:flex-start;justify-content:space-between}.report-card__heading>span{color:var(--ink-soft);font-size:.66rem}.mistake-table{display:grid}.mistake-row{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:14px 0;border-top:1px solid var(--line);font-size:.76rem}.mistake-row>div{display:grid;gap:5px}.mistake-row small{color:var(--ink-soft);font-size:.65rem}.mistake-row>span{color:var(--ink-soft)}.mistake-row>span strong{color:var(--coral-dark)}.empty-inline{padding:22px;border-radius:12px;color:var(--ink-soft);background:#f6f4e9;font-size:.75rem;text-align:center}.lesson-page{min-height:100svh;background-color:var(--cream);background-image:radial-gradient(rgba(24,61,56,.16) .5px,transparent .5px);background-size:9px 9px}.lesson-header{display:flex;width:min(1100px,calc(100% - 40px));height:80px;align-items:center;justify-content:space-between;margin:0 auto}.lesson-header .brand__words{display:none}.lesson-header .brand__mark{width:37px}.lesson-exit,.lesson-report-link{min-width:120px;color:var(--ink-soft);font-size:.74rem;font-weight:600}.lesson-report-link{text-align:right}.lesson-progress{height:5px;background:#183d381a}.lesson-progress span{display:block;height:100%;border-radius:0 5px 5px 0;background:var(--coral);transition:width .4s ease}.lesson-main{width:min(920px,calc(100% - 40px));margin:0 auto;padding:30px 0 55px}.lesson-context{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:14px}.lesson-context>div{display:grid;gap:4px}.lesson-context>div span{color:var(--coral-dark);font-size:.65rem}.lesson-context>div 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