@import url('https://fonts.googleapis.com/css2?family=Fredoka:wght@500;600;700&family=Nunito:wght@500;600;700;800;900&display=swap');
:root{font-family:'Nunito',Arial,sans-serif;color:#14264b;background:#f2f6ff;--navy:#102448;--blue:#2859df;--gold:#ffd04f;--green:#187747;--muted:#526687;--line:#d8e3f4;--card:#fff}*{box-sizing:border-box}body{margin:0;min-height:100vh;padding-bottom:100px;background:radial-gradient(circle at 15% 15%,#dcecff 0,transparent 28rem),#f5f7ff}button,a{-webkit-tap-highlight-color:transparent}button{font:800 16px 'Nunito',Arial,sans-serif;color:var(--navy);background:white;border:2px solid var(--line);border-radius:14px;padding:11px 17px;cursor:pointer;transition:transform .15s,background .15s,border-color .15s}button:hover:not(:disabled){transform:translateY(-2px);background:#edf3ff;border-color:#9ab3e2}button:focus-visible,a:focus-visible,summary:focus-visible{outline:4px solid #f29d22;outline-offset:3px}button:disabled{opacity:.45;cursor:default}.topbar{position:sticky;top:0;z-index:5;height:68px;padding:0 clamp(16px,4vw,52px);background:#fff;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line)}.back-link{font-weight:900;text-decoration:none;color:var(--navy)}.brand{display:flex;align-items:center;gap:8px;color:var(--navy);font:700 20px 'Fredoka',sans-serif;letter-spacing:.035em}.brand b{color:var(--blue)}.brand-mark{display:grid;place-items:center;width:30px;height:30px;border-radius:9px;background:#fff1bd}.top-actions{display:flex;gap:8px}.quiet{padding:9px 13px;font-size:14px}main{max-width:1180px;padding:clamp(18px,3vw,38px) clamp(16px,4vw,46px) 28px;margin:auto}.screen{min-height:min(70vh,690px);display:grid;grid-template-columns:1.04fr .96fr;align-items:center;gap:clamp(20px,4vw,52px)}.hero-screen{padding:clamp(22px,4vw,54px);border-radius:30px;background:linear-gradient(135deg,#10234b,#163d74);color:#fff;overflow:hidden;position:relative;box-shadow:0 18px 44px #10244820}.hero-screen:after{content:'✦';position:absolute;right:46%;top:14%;font-size:40px;color:#ffe284}.hero-copy{position:relative;z-index:1}.hero-copy h1{font:700 clamp(44px,6vw,78px)/.98 'Fredoka',sans-serif;margin:14px 0}.hero-copy p{font-size:clamp(18px,2vw,23px);line-height:1.5;color:#dce8ff;max-width:430px}.eyebrow{text-transform:uppercase;letter-spacing:.13em;font-size:13px;font-weight:900;color:#44618a}.hero-screen .eyebrow{color:#ffd963}.hero-art{width:100%;max-height:440px;object-fit:cover;border-radius:24px;box-shadow:0 12px 36px #06162f55}.start-crystals{font-size:31px;letter-spacing:10px;color:#9eb4dc;margin:18px 0}.gold{color:#755009;background:#ffe384;border-color:#ffd457}.primary{color:white;background:var(--blue);border-color:var(--blue);box-shadow:0 4px 0 #173a9d}.primary:hover:not(:disabled){background:#1e49c6}.guide{margin:16px 0 4px;border:1px solid var(--line);border-radius:17px;background:white;padding:12px 17px}.guide summary{cursor:pointer;font-weight:900}.guide p{margin:10px 0 4px;color:var(--muted);line-height:1.55}.lesson-card{background:var(--card);border:1px solid var(--line);border-radius:24px;padding:clamp(20px,3vw,34px);box-shadow:0 10px 30px #1832570b}.lesson-copy h1,.lesson-copy h2{font:600 clamp(34px,4.2vw,54px)/1.06 'Fredoka',sans-serif;margin:10px 0 14px;color:var(--navy)}.lesson-copy p{font-size:clamp(18px,2vw,22px);color:var(--muted);line-height:1.5}.step-tag{display:inline-flex;gap:8px;align-items:center;border-radius:99px;padding:7px 12px;background:#e8efff;color:#2c4c84;font-size:13px;font-weight:900}.step-tag .dot{width:8px;height:8px;border-radius:50%;background:#3a6be9}.picture{width:100%;max-height:410px;object-fit:contain;border-radius:18px;background:#e9f4ff}.two-cards{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.prompt-card{border:2px solid var(--line);border-radius:20px;background:white;padding:15px;text-align:center}.prompt-card img{width:100%;height:155px;object-fit:contain;border-radius:14px;background:#f2f7ff}.prompt-card h3{font:600 24px 'Fredoka',sans-serif;margin:9px 0}.prompt{font:700 clamp(24px,3.3vw,39px)/1.25 'Fredoka',sans-serif;text-align:center;margin:20px 0;color:var(--navy)}.subprompt{font-size:15px;color:var(--muted);font-weight:800;text-align:center}.button-row{display:flex;flex-wrap:wrap;justify-content:center;gap:10px;margin:16px 0}.big-choice{min-width:125px;font-size:22px;padding:14px 20px}.green{color:#176442;background:#e4f7eb;border-color:#9bdab1}.red{color:#a62d41;background:#fff0f1;border-color:#f2b2bc}.reveal{margin-top:16px}.answer-box{margin:16px auto;padding:15px 20px;border-radius:16px;border:2px solid #a9d9bb;background:#e8f8ed;text-align:center;color:#185a39;font:700 clamp(23px,3vw,36px)/1.3 'Fredoka',sans-serif}.answer-box small{display:block;margin-bottom:5px;color:#527d64;font:900 12px 'Nunito',sans-serif;letter-spacing:.1em;text-transform:uppercase}.soft-note{font-size:15px!important;color:#71809a!important;text-align:center}.formula-grid{display:grid;grid-template-columns:1fr 1fr;gap:13px;margin:17px 0}.formula{padding:17px;text-align:center;border-radius:17px;font-size:21px;font-weight:900}.formula.can{background:#e6f7ec;color:#18613b}.formula.cant{background:#fff0f1;color:#9f2c3b}.rule-line{text-align:center;font-size:18px;color:var(--muted);font-weight:800}.vocab-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}.vocab-card{padding:9px 7px;text-align:center}.vocab-card img{width:100%;aspect-ratio:1.18;object-fit:contain;border-radius:12px;background:#f2f7ff}.vocab-card span{display:block;font-weight:900;margin-top:4px}.boxes{display:grid;grid-template-columns:repeat(5,1fr);gap:10px;margin:20px 0}.box{padding:9px;background:#f8faff;border-radius:17px;border:2px solid var(--line)}.box img{width:100%;height:105px;object-fit:contain;border-radius:10px;background:#eaf4ff}.box b{font:600 22px 'Fredoka',sans-serif}.box.picked{border-color:#517aeb;box-shadow:0 0 0 3px #dbe5ff}.box .box-label{display:block;margin:7px 0;font-size:13px;color:#657592;font-weight:900}.question-wrap{max-width:790px;margin:12px auto;text-align:center}.question-wrap .prompt{margin:14px 0}.profile-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}.profile{overflow:hidden;border:2px solid var(--line);border-radius:17px;background:white;text-align:center}.profile img{width:100%;height:130px;object-fit:cover;object-position:top}.profile b{display:block;padding:8px;font:600 20px 'Fredoka',sans-serif}.profile .show-profile{margin:0 8px 10px;font-size:13px;padding:7px}.wordbank,.sentence{min-height:65px;display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:9px;border-radius:16px;padding:12px;background:#eef4ff;margin:12px 0}.sentence{background:#fff9dc;border:2px dashed #e5ca6d}.word{font-size:20px;padding:10px 14px}.word.in-sentence{background:#fff0b2;border-color:#e5c766}.builder-controls{display:flex;justify-content:center;gap:8px;flex-wrap:wrap}.build-feedback{min-height:32px;text-align:center;font-weight:900;color:var(--green)}.mini-track{display:grid;grid-template-columns:repeat(5,1fr);gap:8px;margin:18px 0}.track-space{display:grid;place-items:center;min-height:62px;border-radius:14px;border:2px solid #d7e3f5;background:#fff;font-size:21px;font-weight:900}.track-space.done{background:#e7f7ec;border-color:#94d3a8}.track-space.current{background:#fff1bf;border-color:#e3bd42;box-shadow:0 3px 0 #d5aa32}.award{margin:15px auto 0;display:block;background:#fff4c9;border-color:#f0d16f}.crystal-message{text-align:center;min-height:24px;color:#16623d;font-weight:900;margin-top:8px}.finish{text-align:center;display:block;padding:24px}.finish .trophy{font-size:68px}.finish h1{font:700 clamp(42px,5vw,64px) 'Fredoka',sans-serif;margin:8px}.checklist{display:flex;justify-content:center;flex-wrap:wrap;gap:9px;margin:18px 0}.checklist span{background:#e7f7ec;border:1px solid #b0dfbe;border-radius:13px;padding:10px 13px;font-weight:900}.mission-footer{color:#647592;font-size:14px;text-align:center;margin-top:10px}.lesson-footer{position:fixed;z-index:6;bottom:0;left:0;right:0;display:grid;grid-template-columns:1fr minmax(170px,360px) 1fr;gap:18px;align-items:center;padding:10px clamp(14px,4vw,50px);background:#fffffff2;border-top:1px solid var(--line);backdrop-filter:blur(10px)}.lesson-footer>button:last-child{justify-self:end;min-width:120px}.class-progress{text-align:center;font-size:12px;font-weight:900;color:#526687}.progress-track{height:6px;background:#e1e9f5;border-radius:99px;margin:4px 10px;overflow:hidden}.progress-track span{display:block;width:0;height:100%;border-radius:99px;background:var(--blue);transition:width .2s}.crystals{font-size:18px;letter-spacing:7px;color:#a6b5d1;height:23px}.crystals .earned{color:#e2a900}.mission-dialog,dialog{width:min(700px,94vw);max-height:86vh;border:0;border-radius:24px;padding:22px;color:var(--navy);box-shadow:0 24px 90px #10244855}dialog::backdrop{background:#0e234790}.dialog-heading{display:flex;align-items:center;justify-content:space-between}.dialog-heading h2{font:600 32px 'Fredoka',sans-serif;margin:4px 0 14px}.mission-list{display:grid;grid-template-columns:1fr 1fr;gap:9px}.mission-list button{text-align:left}.mission-list small{display:block;color:#657592;margin-top:3px}.dialog-note{text-align:center;color:#657592;font-weight:800}.hidden{display:none!important}@media(max-width:760px){.screen{grid-template-columns:1fr;min-height:unset}.hero-screen{min-height:unset}.hero-art{max-height:290px;object-fit:cover}.topbar{height:61px}.brand{font-size:15px}.top-actions{gap:5px}.quiet{font-size:12px;padding:7px}.profile-grid{grid-template-columns:repeat(2,1fr)}.profile img{height:110px}.boxes{gap:6px}.box{padding:5px}.box img{height:75px}.vocab-grid{grid-template-columns:repeat(4,1fr)}.vocab-card span{font-size:12px}.lesson-footer{grid-template-columns:auto minmax(100px,1fr) auto;gap:6px;padding:8px}.lesson-footer>button{padding:9px 11px;font-size:14px;min-width:unset!important}.mission-list{grid-template-columns:1fr}.two-cards{gap:8px}.prompt-card{padding:9px}.prompt-card img{height:115px}}@media(max-width:460px){main{padding:15px 12px 24px}.brand{display:none}.topbar{padding:0 12px}.top-actions .quiet{font-size:12px}.lesson-card{padding:16px}.formula-grid{grid-template-columns:1fr 1fr}.vocab-grid{grid-template-columns:repeat(2,1fr)}.vocab-card img{aspect-ratio:1.5}.boxes{grid-template-columns:repeat(5,1fr)}.box img{height:52px}.box b{font-size:16px}.box .box-label{font-size:10px}.crystals{letter-spacing:3px}.class-progress{font-size:10px}.lesson-footer>button{font-size:12px;padding:8px}.big-choice{min-width:100px;font-size:19px}.screen{gap:14px}.hero-screen{padding:24px}.hero-art{max-height:220px}.lesson-copy h1,.lesson-copy h2{font-size:36px}}@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}