:root{--ink:#17221f;--muted:#60716b;--paper:#f7f2df;--paper-deep:#ebe3ca;--panel:#fffdf4;--green-950:#0a2922;--green-800:#153f34;--green-650:#1f6651;--green-450:#3e9c72;--mint:#bde6c9;--lime:#d8f26a;--gold:#f0bd48;--red:#c94b43;--blue:#4e82a8;--shadow:0 18px 48px rgba(20,48,40,0.13);--small-shadow:0 8px 20px rgba(20,48,40,0.11);--radius:22px;font-family:"Trebuchet MS","Avenir Next",Avenir,system-ui,sans-serif;color:var(--ink);background:var(--paper);font-synthesis:none}*{box-sizing:border-box}body{margin:0;min-width:320px;min-height:100vh;background:linear-gradient(rgba(21,63,52,0.035) 1px,transparent 1px),linear-gradient(90deg,rgba(21,63,52,0.035) 1px,transparent 1px),var(--paper);background-size:24px 24px}body.subject-english{--paper:#f4edf8;--paper-deep:#e3d5eb;--panel:#fffafd;--green-950:#24113f;--green-800:#3d1b67;--green-650:#7139a2;--green-450:#a367c7;--mint:#ead6f5;--lime:#ffe36c;--gold:#ffad32;--blue:#6657c7;--shadow:0 18px 48px rgba(55,24,82,0.15);--small-shadow:0 8px 20px rgba(55,24,82,0.12);background:linear-gradient(rgba(113,57,162,0.045) 1px,transparent 1px),linear-gradient(90deg,rgba(113,57,162,0.045) 1px,transparent 1px),var(--paper);background-size:24px 24px}button,input,label{font:inherit}button,label[for]{-webkit-tap-highlight-color:transparent}button:focus-visible,label[for]:focus-visible,input:focus-visible{outline:4px solid rgba(240,189,72,0.55);outline-offset:3px}h1,h2,h3,p{margin-top:0}.page-shell{width:min(1180px,calc(100% - 32px));margin:0 auto;min-height:100vh;display:flex;flex-direction:column}.topbar{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:22px 0 14px}.brand{border:0;background:transparent;color:var(--ink);display:flex;align-items:center;gap:12px;padding:0;text-align:left;cursor:pointer}.brand-mark{display:grid;place-items:center;width:52px;height:52px;color:var(--paper);background:var(--green-800);border:4px solid var(--ink);box-shadow:5px 5px 0 var(--gold);font-weight:900;letter-spacing:-2px;transform:skew(-5deg)}.brand strong,.brand small{display:block}.brand strong{font-size:1.05rem;letter-spacing:0.01em}.brand small{margin-top:3px;color:var(--muted);font-size:0.76rem}.topbar-actions{display:flex;align-items:center;justify-content:flex-end;flex-wrap:wrap;gap:10px}.website-back-button{text-decoration:none}.language-toggle{display:inline-flex;min-height:44px;padding:4px;border:2px solid rgba(23,34,31,0.12);border-radius:14px;background:rgba(255,253,244,0.82);box-shadow:var(--small-shadow)}.language-toggle button{min-width:40px;border:0;border-radius:9px;color:var(--muted);background:transparent;font:inherit;font-size:0.76rem;font-weight:900;cursor:pointer}.language-toggle button.active{color:var(--paper);background:var(--green-800)}.rank-chip,.icon-button{min-height:44px;border-radius:14px;border:2px solid rgba(23,34,31,0.12);background:rgba(255,253,244,0.82);box-shadow:var(--small-shadow)}.rank-chip{display:flex;align-items:baseline;gap:7px;padding:9px 14px;color:var(--green-800)}.rank-chip span{color:var(--muted);font-size:0.74rem;text-transform:uppercase;letter-spacing:0.1em;font-weight:800}.icon-button{display:flex;align-items:center;gap:8px;padding:9px 14px;color:var(--ink);cursor:pointer}#app{flex:1;padding:20px 0 48px}.home-grid{display:grid;grid-template-columns:minmax(0,1.42fr) minmax(300px,0.74fr);gap:24px;align-items:stretch}.hero-panel,.side-panel,.mission-card,.question-card,.summary-card{background:rgba(255,253,244,0.94);border:2px solid rgba(23,34,31,0.11);box-shadow:var(--shadow)}.hero-panel{position:relative;overflow:hidden;min-height:430px;padding:clamp(28px,5vw,58px);border-radius:34px 34px 80px 34px;background:radial-gradient(circle at 86% 16%,rgba(216,242,106,0.38),transparent 22%),linear-gradient(135deg,rgba(255,253,244,0.98),rgba(225,240,218,0.98))}.hero-panel::after{content:"";position:absolute;width:190px;height:190px;right:-55px;bottom:-60px;border:30px solid rgba(31,102,81,0.1);transform:rotate(18deg)}.subject-english .hero-panel{background:radial-gradient(circle at 86% 16%,rgba(255,227,108,0.42),transparent 23%),linear-gradient(135deg,rgba(255,250,253,0.99),rgba(232,213,244,0.98))}.subject-english .hero-panel::after{border-color:rgba(113,57,162,0.13)}.subject-english .mission-button:hover,.subject-english .route-step:hover{background:#f8effd}.subject-english .mission-button.selected{background:#f0def9;box-shadow:inset 0 0 0 2px rgba(113,57,162,0.11)}.eyebrow{display:block;margin-bottom:9px;color:var(--green-650);font-weight:900;font-size:0.74rem;text-transform:uppercase;letter-spacing:0.14em}.hero-panel h1{max-width:670px;margin-bottom:16px;font-size:clamp(2.4rem,7vw,5.3rem);line-height:0.94;letter-spacing:-0.055em}.hero-panel h1 em{color:var(--green-650);font-style:normal}.hero-copy{max-width:590px;margin-bottom:30px;color:var(--muted);font-size:clamp(1rem,2vw,1.16rem);line-height:1.58}.hero-actions,.question-actions,.transfer-actions{display:flex;flex-wrap:wrap;gap:12px}.primary-button,.secondary-button,.text-button{min-height:50px;border-radius:14px;border:2px solid var(--ink);padding:13px 19px;font-weight:900;cursor:pointer;transition:transform 120ms ease,box-shadow 120ms ease,background 120ms ease}.primary-button{color:#fffdf4;background:var(--green-650);box-shadow:5px 5px 0 var(--ink)}.secondary-button{display:inline-flex;align-items:center;justify-content:center;color:var(--ink);background:var(--panel);box-shadow:4px 4px 0 var(--paper-deep)}.text-button{color:var(--green-650);background:transparent;border-color:transparent;padding-inline:8px}.primary-button:hover,.secondary-button:hover{transform:translate(-1px,-1px)}.primary-button:disabled,.secondary-button:disabled{cursor:wait;opacity:0.68}.primary-button:active,.secondary-button:active{transform:translate(3px,3px);box-shadow:1px 1px 0 var(--ink)}.compact{min-height:42px;padding:10px 14px;font-size:0.9rem}.onboarding-active .topbar-actions,.onboarding-active .footer{visibility:hidden}.welcome-screen{min-height:min(720px,calc(100vh - 150px));display:grid;place-items:center}.welcome-card{width:min(780px,100%);display:grid;grid-template-columns:minmax(260px,0.8fr) minmax(290px,1fr);gap:clamp(24px,6vw,60px);align-items:center;padding:clamp(26px,6vw,58px);border:3px solid var(--ink);border-radius:32px;background:var(--panel);box-shadow:10px 10px 0 var(--gold),var(--shadow)}.welcome-character,.summary-character{display:grid;justify-items:center;gap:14px}.character-sprite{flex:0 0 auto;width:122px;background-color:#fff;background-repeat:no-repeat;background-position:var(--sprite-x) var(--sprite-y);border:3px solid var(--ink);border-radius:14px;box-shadow:5px 5px 0 var(--paper-deep);image-rendering:pixelated}.sprite-izuku{aspect-ratio:512 / 589;background-image:url("../assets/media/a-cb30fb252767.webp");background-size:600% 300%}.sprite-present-mic{aspect-ratio:512 / 589;background-image:url("../assets/media/a-21bc3c66cf19.webp");background-size:300% 300%}.sprite-mha{aspect-ratio:4096 / 6293;background-image:url("../assets/media/a-8578b292107d.webp");background-size:700% 400%}.subject-switcher{display:flex;align-items:center;justify-content:space-between;gap:22px;margin-bottom:18px;padding:18px 21px;border:2px solid rgba(23,34,31,0.11);border-radius:22px;background:rgba(255,253,244,0.94);box-shadow:var(--small-shadow)}.subject-switcher h2{margin:0;font-size:clamp(1.25rem,3vw,1.7rem)}.subject-switcher .eyebrow{margin-bottom:4px}.subject-tabs,.report-subject-tabs{display:flex;flex-wrap:wrap;gap:10px}.subject-tab{display:flex;align-items:center;gap:10px;min-width:142px;min-height:54px;border:2px solid rgba(23,34,31,0.16);border-radius:15px;padding:8px 13px;color:var(--ink);background:#fff;box-shadow:3px 3px 0 var(--paper-deep);cursor:pointer}.subject-tab>span{display:grid;place-items:center;width:37px;height:32px;border-radius:9px;color:#fff;background:var(--green-650);font-size:0.7rem;font-weight:950;letter-spacing:0.06em}.subject-tab strong{font-size:0.9rem}.subject-tab:hover,.subject-tab.selected{border-color:var(--green-650)}.subject-tab.selected{background:var(--mint);box-shadow:inset 0 0 0 2px rgba(113,57,162,0.1),3px 3px 0 var(--paper-deep)}.subject-tab.compact{min-width:125px;min-height:46px;padding:6px 10px}.subject-tab.compact>span{width:32px;height:28px}.report-subject-tabs{margin:0 0 16px}.speech-bubble{position:relative;max-width:260px;padding:13px 15px;border:3px solid var(--ink);border-radius:12px;color:var(--ink);background:#fff;box-shadow:4px 4px 0 var(--mint);font-family:ui-monospace,"SFMono-Regular",Consolas,monospace}.speech-bubble::before{content:"";position:absolute;left:28px;top:-10px;width:14px;height:14px;border-left:3px solid var(--ink);border-top:3px solid var(--ink);background:#fff;transform:rotate(45deg)}.speech-bubble strong{display:block;margin-bottom:5px;color:var(--green-650);font-size:0.78rem;text-transform:uppercase}.speech-bubble p{margin:0;font-size:0.82rem;line-height:1.45}.name-form{display:grid;gap:13px}.name-form label{font-weight:900;font-size:clamp(1.35rem,4vw,2rem);line-height:1.1}.name-form>input{width:100%;min-height:58px;border:3px solid var(--ink);border-radius:14px;padding:12px 15px;color:var(--ink);background:#fff;font-size:1.1rem;font-weight:800}.identity-choice{min-width:0;margin:4px 0 1px;border:0;padding:0}.identity-choice legend{margin-bottom:9px;padding:0;font-size:0.92rem;font-weight:900}.identity-choice>div{display:grid;grid-template-columns:1fr 1fr;gap:10px}.identity-option{position:relative;cursor:pointer}.identity-option input{position:absolute;width:1px;height:1px;opacity:0;pointer-events:none}.identity-option span{display:flex;align-items:center;gap:9px;min-height:52px;border:2px solid rgba(23,34,31,0.24);border-radius:13px;padding:10px 12px;color:var(--ink);background:#fff;font-weight:900}.identity-option span::before{content:"";flex:0 0 auto;width:20px;height:20px;display:grid;place-items:center;border:2px solid var(--green-650);border-radius:5px;color:#fff;background:#fff;font-size:0.78rem;line-height:1}.identity-option input:checked + span{border-color:var(--green-650);background:var(--mint);box-shadow:3px 3px 0 var(--paper-deep)}.identity-option input:checked + span::before{content:"✓";background:var(--green-650)}.identity-option input:focus-visible + span{outline:3px solid var(--gold);outline-offset:2px}.name-form>p{margin:0;color:var(--muted);font-size:0.78rem;line-height:1.45}.hero-character{position:absolute;right:24px;bottom:24px;width:245px;display:flex;align-items:flex-end;gap:10px}.hero-character .character-sprite{width:90px}.hero-character .speech-bubble{padding:11px 12px}.hero-panel>h1,.hero-panel>.hero-copy,.hero-panel>.next-level-card,.hero-panel>.hero-actions{max-width:calc(100% - 230px)}.next-level-card{margin:-12px 0 22px;padding:14px 16px;border-left:5px solid var(--green-650);border-radius:14px;background:rgba(255,255,255,0.72)}.next-level-card span,.next-level-card strong,.next-level-card small{display:block}.next-level-card span{color:var(--muted);font-size:0.7rem;font-weight:900;text-transform:uppercase;letter-spacing:0.08em}.next-level-card strong{margin-top:4px;color:var(--green-800)}.next-level-card small{margin-top:4px;color:var(--muted);line-height:1.4}.pixel-guide{--pixel:12px;position:absolute;right:clamp(32px,7vw,88px);bottom:38px;width:calc(var(--pixel) * 7);height:calc(var(--pixel) * 9);filter:drop-shadow(10px 12px 0 rgba(10,41,34,0.12));image-rendering:pixelated}.pixel-guide span{position:absolute;width:var(--pixel);height:var(--pixel);background:var(--ink);box-shadow:calc(var(--pixel) * 1) 0 var(--green-950),calc(var(--pixel) * 2) 0 var(--green-650),calc(var(--pixel) * 3) 0 var(--green-650),calc(var(--pixel) * 4) 0 var(--green-950),calc(var(--pixel) * 5) var(--pixel) var(--green-950),0 var(--pixel) var(--green-950),calc(var(--pixel) * 1) var(--pixel) #e8b99a,calc(var(--pixel) * 2) var(--pixel) #e8b99a,calc(var(--pixel) * 3) var(--pixel) #e8b99a,calc(var(--pixel) * 4) var(--pixel) #e8b99a,calc(var(--pixel) * 5) calc(var(--pixel) * 2) #e8b99a,0 calc(var(--pixel) * 2) #e8b99a,calc(var(--pixel) * 1) calc(var(--pixel) * 2) #17221f,calc(var(--pixel) * 2) calc(var(--pixel) * 2) #e8b99a,calc(var(--pixel) * 3) calc(var(--pixel) * 2) #17221f,calc(var(--pixel) * 4) calc(var(--pixel) * 2) #e8b99a,calc(var(--pixel) * 1) calc(var(--pixel) * 3) #e8b99a,calc(var(--pixel) * 2) calc(var(--pixel) * 3) #e8b99a,calc(var(--pixel) * 3) calc(var(--pixel) * 3) #e8b99a,calc(var(--pixel) * 4) calc(var(--pixel) * 3) #e8b99a,calc(var(--pixel) * 2) calc(var(--pixel) * 4) var(--green-650),calc(var(--pixel) * 3) calc(var(--pixel) * 4) var(--green-650),calc(var(--pixel) * 1) calc(var(--pixel) * 5) var(--green-950),calc(var(--pixel) * 2) calc(var(--pixel) * 5) var(--green-650),calc(var(--pixel) * 3) calc(var(--pixel) * 5) var(--green-650),calc(var(--pixel) * 4) calc(var(--pixel) * 5) var(--green-950),0 calc(var(--pixel) * 6) var(--green-950),calc(var(--pixel) * 1) calc(var(--pixel) * 6) var(--green-650),calc(var(--pixel) * 2) calc(var(--pixel) * 6) var(--gold),calc(var(--pixel) * 3) calc(var(--pixel) * 6) var(--green-650),calc(var(--pixel) * 4) calc(var(--pixel) * 6) var(--green-950),calc(var(--pixel) * 5) calc(var(--pixel) * 6) var(--green-950),calc(var(--pixel) * 1) calc(var(--pixel) * 7) var(--green-950),calc(var(--pixel) * 2) calc(var(--pixel) * 7) var(--green-950),calc(var(--pixel) * 3) calc(var(--pixel) * 7) var(--green-950),calc(var(--pixel) * 4) calc(var(--pixel) * 7) var(--green-950),calc(var(--pixel) * 1) calc(var(--pixel) * 8) var(--ink),calc(var(--pixel) * 4) calc(var(--pixel) * 8) var(--ink)}.side-panel{border-radius:34px;padding:26px;display:flex;flex-direction:column}.side-panel h2{margin-bottom:20px;font-size:1.35rem}.mission-list{display:grid;gap:12px}.mission-button{width:100%;display:grid;grid-template-columns:48px minmax(0,1fr) auto;align-items:center;gap:13px;min-height:76px;border:2px solid rgba(23,34,31,0.1);border-radius:17px;padding:11px 13px;color:var(--ink);background:#fffef8;text-align:left;cursor:pointer}.mission-button:hover{border-color:var(--green-450);background:#f5faef}.mission-button.selected{border-color:var(--green-650);background:#eaf6e8;box-shadow:inset 0 0 0 2px rgba(31,102,81,0.1)}.mission-number{display:grid;place-items:center;width:42px;height:42px;border-radius:12px;color:var(--green-950);background:var(--mint);font-weight:900}.mission-button strong,.mission-button small{display:block}.mission-button small{margin-top:4px;color:var(--muted)}.mission-status{color:var(--green-650);font-weight:900;font-size:0.76rem}.weekly-card{margin-top:auto;padding-top:24px}.bar-track{height:10px;overflow:hidden;border-radius:99px;background:var(--paper-deep)}.bar-fill{height:100%;border-radius:inherit;background:linear-gradient(90deg,var(--green-650),var(--lime))}.bar-label{display:flex;justify-content:space-between;gap:12px;margin-bottom:8px;color:var(--muted);font-size:0.84rem}.learning-route{margin-top:24px;padding:28px;border:2px solid rgba(23,34,31,0.11);border-radius:28px;background:rgba(255,253,244,0.94);color:var(--ink);box-shadow:var(--shadow)}.learning-route .eyebrow{color:var(--green-650)}.route-heading{display:flex;align-items:end;justify-content:space-between;gap:24px;margin-bottom:20px}.route-heading h2{margin-bottom:0;font-size:clamp(1.45rem,4vw,2rem)}.route-heading>p{max-width:430px;margin:0;color:var(--muted);font-size:0.88rem;line-height:1.45}.route-steps{display:grid;grid-template-columns:repeat(6,1fr);gap:10px}.route-steps.route-dynamic{grid-template-columns:repeat(auto-fit,minmax(205px,1fr))}.route-step{position:relative;display:flex;flex-direction:column;min-height:178px;border:2px solid rgba(23,34,31,0.13);padding:17px;border-radius:16px;color:var(--ink);background:#fffef8;text-align:left;cursor:pointer}.route-step:hover{border-color:var(--green-450);background:#f4faef;transform:translateY(-2px)}.route-step strong,.route-step small,.route-step em{display:block}.route-step strong{margin:10px 0 7px;font-size:1.02rem}.route-step small{color:var(--muted);line-height:1.4}.route-level{align-self:flex-start;border-radius:99px;padding:5px 8px;color:var(--green-800);background:var(--mint);font-size:0.7rem;font-weight:900;text-transform:uppercase}.route-step em{margin-top:auto;padding-top:12px;color:var(--green-650);font-size:0.73rem;font-style:normal;font-weight:900}.route-step.practiced{border-color:rgba(62,156,114,0.55)}.route-step.completed::after{content:"✓";position:absolute;right:13px;top:13px;color:var(--green-650);font-weight:900}.question-layout{width:min(880px,100%);margin:0 auto}.question-topline{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:15px}.back-button{border:0;color:var(--green-650);background:transparent;padding:8px 0;font-weight:900;cursor:pointer}.question-progress{flex:1;max-width:430px}.question-progress .bar-track{background:rgba(21,63,52,0.12)}.question-card{border-radius:30px;padding:clamp(24px,5vw,44px)}.question-badge{display:inline-flex;align-items:center;gap:8px;margin-bottom:18px;border-radius:99px;padding:7px 11px;color:var(--green-800);background:var(--mint);font-size:0.78rem;font-weight:900}.question-card h1{margin-bottom:13px;font-size:clamp(1.65rem,4vw,2.5rem);line-height:1.12;letter-spacing:-0.025em}.question-copy{color:var(--muted);font-size:1.06rem;line-height:1.55}.math-panel{margin:0;padding:20px;border:2px solid rgba(21,63,52,0.13);border-radius:18px;color:var(--green-950);background:#eff7e9;font-family:ui-monospace,"SFMono-Regular",Consolas,monospace;font-size:clamp(1.05rem,3vw,1.36rem);line-height:1.7;text-align:center}.math-content{min-width:0;width:100%}.english-panel{display:grid;gap:10px;margin:0;padding:22px;border:2px solid rgba(61,27,103,0.17);border-radius:18px;color:var(--green-950);background:linear-gradient(135deg,rgba(255,255,255,0.92),rgba(238,219,248,0.92)),#f6edfb;text-align:center}.english-panel>span{color:var(--green-650);font-size:0.72rem;font-weight:950;letter-spacing:0.11em;text-transform:uppercase}.english-panel>strong{font-size:clamp(1.18rem,3vw,1.62rem);line-height:1.35}.english-panel>small{color:var(--muted);font-size:0.84rem;line-height:1.45}.english-work-panel{display:grid;align-content:stretch}.english-work-panel .english-panel{height:100%;align-content:center}.math-expression{font-size:clamp(1.55rem,5vw,2.25rem);font-weight:900}.math-given{display:grid;gap:4px;margin-top:14px;padding-top:12px;border-top:2px solid rgba(21,63,52,0.14)}.math-given>span{color:var(--muted);font-family:"Trebuchet MS","Avenir Next",Avenir,system-ui,sans-serif;font-size:0.72rem;font-weight:900;letter-spacing:0.08em;text-transform:uppercase}.math-given strong{font-size:1.12em}.math-lines{display:grid;gap:7px}.math-lines>span,.math-lines>strong{display:block}.math-equation{display:flex;flex-wrap:nowrap;align-items:center;justify-content:center;gap:0.28em;width:100%;overflow-x:auto;white-space:nowrap}.math-signed-fraction{display:inline-flex;align-items:center;white-space:nowrap}.math-fraction{display:inline-grid;grid-template-rows:auto auto;align-items:center;justify-items:stretch;min-width:1.35em;margin-inline:0.1em;color:inherit;font:inherit;line-height:1.05;text-align:center;vertical-align:middle}.math-fraction-numerator{display:block;padding:0 0.3em 0.16em;border-bottom:2px solid currentColor;white-space:nowrap}.math-fraction-denominator{display:block;padding:0.16em 0.3em 0;white-space:nowrap}.math-curiosity{display:grid;grid-template-columns:92px minmax(0,1fr);gap:17px;align-items:center;margin:18px 0 4px;padding:15px 17px;border:2px solid #9e7a22;border-radius:16px;color:#4b3710;background:#fff8dc}.math-curiosity-mentor{display:grid;justify-items:center;gap:7px}.math-curiosity-mentor .character-sprite{width:78px;border-width:2px;border-radius:10px;box-shadow:3px 3px 0 #d9bd70}.math-curiosity-mentor small{color:#5f4713;font-size:0.67rem;font-weight:900;line-height:1.1;text-align:center}.math-curiosity-label{display:inline-block;margin-bottom:7px;border-radius:7px;padding:5px 7px;color:#fffdf4;background:#735718;font-size:0.68rem;font-weight:950;letter-spacing:0.08em;line-height:1;text-transform:uppercase}.math-curiosity-copy>strong{display:block;margin-bottom:5px;font-size:1rem}.math-curiosity-copy>p{margin:0;line-height:1.55}.math-curiosity .math-curiosity-quote{margin-top:9px;padding-top:8px;border-top:1px solid rgba(75,55,16,0.22);font-size:0.84rem;font-weight:750}.math-curiosity code{display:inline-block;border:1px solid rgba(75,55,16,0.22);border-radius:5px;padding:1px 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span{min-width:68px;padding-inline:10px;font-size:0.86rem}.stats-data-label{margin:14px 0 9px;color:var(--green-650);font-family:"Trebuchet MS","Avenir Next",Avenir,system-ui,sans-serif;font-size:0.82rem;font-weight:900;letter-spacing:0.04em;text-align:center;text-transform:uppercase}.stats-chart{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px;align-items:end;min-height:230px;padding:10px 8px 0;border-bottom:3px solid var(--ink);font-family:"Trebuchet MS","Avenir Next",Avenir,system-ui,sans-serif}.stats-bar-column{display:grid;grid-template-rows:24px 145px auto;align-items:end;height:100%}.stats-bar-column>span{color:var(--green-650);font-size:0.78rem;font-weight:900}.stats-bar-column small{min-height:3.2em;padding-top:7px;font-size:0.65rem;line-height:1.15}.stats-bar{width:min(52px,80%);height:var(--bar-height);min-height:10px;margin:0 auto;border:2px solid var(--green-950);border-bottom:0;border-radius:7px 7px 0 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figcaption{margin-top:10px;color:var(--muted);font-size:0.76rem;line-height:1.35;text-align:center}.question-companion{display:flex;align-items:flex-end;gap:9px;padding:10px;border:2px solid rgba(23,34,31,0.11);border-radius:16px;background:#fff}.question-companion .character-sprite{width:68px;border-width:2px;border-radius:10px;box-shadow:3px 3px 0 var(--paper-deep)}.question-companion .speech-bubble{flex:1;padding:9px 10px;border-width:2px;box-shadow:3px 3px 0 var(--mint)}.question-companion .speech-bubble::before{left:-8px;top:auto;bottom:20px;border:0;border-left:2px solid var(--ink);border-bottom:2px solid var(--ink);transform:rotate(45deg)}.question-workbench.no-diagram{grid-template-columns:minmax(0,1fr)}.question-workbench.no-diagram .problem-side{grid-template-columns:minmax(0,1.35fr) minmax(260px,0.65fr);align-items:stretch}.question-workbench.no-diagram .math-panel,.question-workbench.no-diagram 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h2{font-size:1.15rem}.explanation-step{display:grid;grid-template-columns:34px 1fr;gap:12px;align-items:start;padding:10px 0;border-top:1px solid rgba(255,255,255,0.1)}.explanation-step>span{display:grid;place-items:center;width:30px;height:30px;border-radius:10px;color:var(--green-950);background:var(--lime);font-weight:900}.explanation-step p{margin:3px 0 0;line-height:1.5}.question-actions{margin-top:22px;align-items:center}.summary-card{width:min(760px,100%);margin:30px auto;padding:clamp(28px,6vw,58px);border-radius:34px;text-align:center}.summary-flow{width:min(860px,100%);margin:0 auto}.summary-flow .summary-card{width:100%;margin-bottom:22px}.sticker-machine-card{padding:clamp(24px,5vw,42px);border:3px solid var(--ink);border-radius:30px;background:radial-gradient(circle at 12% 8%,rgba(216,242,106,0.35),transparent 24%),var(--panel);box-shadow:8px 8px 0 var(--gold),var(--shadow)}.sticker-machine-heading{display:flex;align-items:flex-start;justify-content:space-between;gap:20px}.sticker-machine-heading h2{margin-bottom:0;font-size:clamp(1.7rem,5vw,2.7rem);letter-spacing:-0.035em}.collection-counter{flex:0 0 auto;padding:10px 13px;border:2px solid var(--ink);border-radius:13px;color:var(--paper);background:var(--green-800);text-align:center}.collection-counter strong,.collection-counter span{display:block}.collection-counter strong{color:var(--lime);font-size:1.15rem}.collection-counter span{margin-top:2px;font-size:0.65rem;font-weight:900;text-transform:uppercase}.sticker-machine-copy{margin:13px 0 20px;color:var(--muted);line-height:1.5}.sticker-reel-frame{position:relative;overflow:hidden;padding:18px 10px;border:4px solid var(--ink);border-radius:22px;background:linear-gradient(90deg,rgba(10,41,34,0.28),transparent 18%,transparent 82%,rgba(10,41,34,0.28)),#edf4e8;box-shadow:inset 0 0 26px 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0;color:var(--green-650);font-weight:900}.collection-complete{margin-top:22px;padding:24px;border-radius:18px;color:var(--paper);background:var(--green-950);text-align:center}.collection-complete strong{display:block;margin-bottom:7px;color:var(--lime);font-size:1.5rem}@keyframes reel-rattle{from{transform:translateX(-6px)}to{transform:translateX(6px)}}.summary-emblem{display:grid;place-items:center;width:86px;height:86px;margin:0 auto 20px;border:4px solid var(--ink);border-radius:24px;color:var(--green-950);background:var(--lime);box-shadow:7px 7px 0 var(--gold);font-size:2rem;font-weight:900}.summary-card h1{font-size:clamp(2rem,6vw,3.6rem);line-height:1}.summary-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:28px 0}.summary-stat{padding:18px 12px;border-radius:16px;background:#eef5e9}.summary-stat strong,.summary-stat span{display:block}.summary-stat strong{color:var(--green-650);font-size:1.7rem}.summary-stat span{margin-top:4px;color:var(--muted);font-size:0.78rem}.footer{display:flex;flex-wrap:wrap;justify-content:center;align-items:center;gap:9px;padding:22px 0 28px;color:var(--muted);font-size:0.8rem;text-align:center}.footer-dot{width:5px;height:5px;border-radius:50%;background:var(--gold)}.footer a{color:inherit;font-weight:800;text-decoration-color:var(--gold);text-decoration-thickness:2px;text-underline-offset:3px}.footer a:hover,.footer a:focus-visible{color:var(--green-650)}.footer-wide,.footer-legal{flex-basis:100%}.footer-wide{margin-top:5px;color:var(--ink);font-weight:800}.footer-legal{max-width:940px;font-size:0.7rem;line-height:1.45}.progress-dialog,.install-dialog{width:min(840px,calc(100% - 24px));max-height:calc(100vh - 28px);padding:0;border:0;border-radius:28px;color:var(--ink);background:var(--panel);box-shadow:0 28px 100px rgba(8,31,25,0.32);overflow-y:auto}.progress-dialog::backdrop,.install-dialog::backdrop{background:rgba(10,41,34,0.72);backdrop-filter:blur(5px)}.install-dialog{width:min(700px,calc(100% - 24px))}.install-dialog-shell>p{color:var(--muted);line-height:1.55}.install-instructions{display:grid;gap:12px;margin:22px 0}.install-instructions h3{margin-bottom:0}.install-instructions article{padding:15px 17px;border:2px solid rgba(23,34,31,0.1);border-radius:16px;background:#f5f7ef}.install-instructions article p{margin:5px 0 0;color:var(--muted);line-height:1.48}.install-note{margin-bottom:0;color:var(--green-650);font-size:0.82rem;font-weight:800}.dialog-shell{padding:clamp(22px,5vw,38px)}.dialog-header{display:flex;align-items:flex-start;justify-content:space-between;gap:20px;margin-bottom:24px}.dialog-header h2{margin-bottom:0;font-size:clamp(1.7rem,5vw,2.5rem)}.close-button{width:42px;height:42px;border:2px solid rgba(23,34,31,0.14);border-radius:13px;color:var(--ink);background:#fffef9;font-size:1.7rem;line-height:1;cursor:pointer}.progress-overview{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-bottom:22px}.progress-kpi{padding:17px;border-radius:16px;background:#edf4e8}.progress-kpi strong,.progress-kpi span{display:block}.progress-kpi strong{color:var(--green-650);font-size:1.55rem}.progress-kpi span{margin-top:4px;color:var(--muted);font-size:0.78rem}.sticker-collection-panel{margin-bottom:18px}.sticker-collection-grid{display:grid;grid-template-columns:repeat(7,minmax(0,1fr));gap:8px;padding:2px 14px 16px}.collection-sticker{min-width:0;padding:5px;border:2px solid 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