:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;--purple:#9b7dff;--purple-dark:#7a5cf0;--navy:#161f59;--teal:#a4d4cb;--green:#aecc41;--sky:#c5effc;--ink:#222;--muted:#6b6b70;--card:#fff;--line:#e9e6f5;--bg:#eef7fd;--font:"ProximaSoft-Regular", "Nunito", system-ui, -apple-system, "Segoe UI", sans-serif;--font-bold:"ProximaSoft-Bold", "Nunito", system-ui, -apple-system, "Segoe UI", sans-serif;--radius:18px;--shadow:0 2px 10px #161f5914}*{box-sizing:border-box}html{font-size:17px}body{font-family:var(--font);color:var(--ink);background:var(--bg);min-height:100vh;margin:0}.shell{background-color:#c5effc;background-image:var(--bg-art);background-position:bottom;background-repeat:no-repeat;background-size:cover;background-attachment:fixed;min-height:100vh}h1,h2,h3,.button,.stat,.grade,.chip.on,.answer{font-family:var(--font-bold);font-weight:400}h1{margin:0;font-size:2rem}h2{margin:4px 0 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img{border:2px solid var(--line);background:#fff;border-radius:50%;width:38px;height:38px;display:block}.topnav .login{color:var(--purple-dark);font-family:var(--font-bold);text-decoration:none}.page,.home{max-width:820px;margin:0 auto;padding:24px 16px 48px}.pagehead{flex-wrap:wrap;align-items:center;gap:12px;margin-bottom:16px;display:flex}.pagehead h1{flex:1;font-size:1.6rem}.back{color:var(--muted);text-decoration:none}.card{background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);padding:18px 20px}.card+.card{margin-top:14px}.card h2{margin:0 0 6px}.button{background:var(--purple);color:#fff;cursor:pointer;font:inherit;font-family:var(--font-bold);box-shadow:0 3px 0 var(--purple-dark);border:0;border-radius:999px;margin-top:12px;padding:12px 24px;font-size:1rem;text-decoration:none;transition:transform 60ms;display:inline-block}.button:hover{transform:translateY(-1px)}.button:disabled{opacity:.5;cursor:default;box-shadow:none}.lede{color:var(--muted);margin:0 0 12px;font-size:1.1rem}.hero{align-items:center;gap:16px;margin-bottom:20px;display:flex}.moji{object-fit:cover;width:84px;height:84px;box-shadow:var(--shadow);background:#fff;border-radius:50%}.cards{grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:12px;display:grid}.card.next{margin-top:14px}.stat{font-size:2rem}.stat span{color:var(--muted);font-size:1rem;font-family:var(--font);margin-left:4px}.bar{background:#ece8ff;border-radius:5px;height:10px;margin:8px 0 4px;overflow:hidden}.fill{background:var(--purple);height:100%}.subject{margin-top:22px}.subject h2{align-items:center;gap:8px;margin:0 0 8px;display:flex}.subject h2 img{width:30px;height:30px}.skills{gap:8px;margin:0;padding:0;list-style:none;display:grid}.skill a{background:var(--card);color:inherit;box-shadow:var(--shadow);border-radius:14px;align-items:center;gap:12px;padding:12px 14px;text-decoration:none;display:flex}.skill.next a{outline:2px solid var(--purple)}.skill.done a{opacity:.75}.skill 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var(--line);cursor:pointer;box-shadow:var(--shadow);background:#fff;border-radius:16px;padding:18px;font-size:1.35rem}.answer:hover:not(:disabled){border-color:var(--purple)}.answer.right{background:#e9f9ef;border-color:#2fb36b}.answer.wrong{background:#fdecec;border-color:#e24b4b}.answer.dim{opacity:.5}.feedback{margin-top:16px}.feedback.ok h2{color:#2fb36b}.feedback.nope h2{color:#e24b4b}.feedback h2{margin:0 0 8px}.explanation{font-size:1.2rem}.pics{flex-wrap:wrap;justify-content:center;gap:12px;margin-top:12px;display:flex}.picgroup{border:2px solid var(--line);background:#fff;border-radius:12px;gap:4px;padding:8px;display:flex}.picgroup img{object-fit:contain;width:56px;height:56px}.pic-fallback{font-size:2.5rem;line-height:56px}.solution{margin:12px 0}.solution summary{cursor:pointer;font-family:var(--font-bold);margin-bottom:8px}.celebrate .center{text-align:center}.celebrate .big{font-size:4rem}.rewards{padding:0;font-size:1.2rem;list-style:none}.tiles{grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:10px;margin:0;padding:0;list-style:none;display:grid}.tile{background:var(--card);color:inherit;box-shadow:var(--shadow);text-align:center;border-radius:14px;flex-direction:column;align-items:center;gap:8px;padding:14px 10px;text-decoration:none;display:flex}.tile img{object-fit:contain;border-radius:6px;width:64px;height:44px}.operands{flex-wrap:wrap;align-items:flex-end;gap:12px;display:flex}.operands label{color:var(--muted);flex-direction:column;gap:4px;font-size:.9rem;display:flex}.operands input{font:inherit;border:2px solid var(--line);text-align:center;border-radius:12px;width:140px;padding:8px 10px;font-size:1.6rem}.operands .button{margin-top:0;padding:14px 24px}.stage{box-shadow:var(--shadow);background:#181818;border-radius:16px;margin-top:16px;overflow:hidden}.stage iframe{aspect-ratio:16/11;border:0;width:100%;min-height:420px;display:block}.calc .pagehead .muted{width:100%;margin:0}.chips{flex-wrap:wrap;gap:8px;margin:8px 0;display:flex}.chip{font:inherit;border:2px solid var(--line);cursor:pointer;background:#fff;border-radius:999px;align-items:center;gap:6px;padding:6px 12px;font-size:.95rem;display:inline-flex}.chip.on{border-color:var(--purple);background:#ece7ff}.chip img{width:20px;height:20px}.wsubject h3{color:var(--muted);margin:12px 0 4px}.plain{gap:6px;margin:8px 0 0;padding:0;list-style:none;display:grid}.onboarding{text-align:center}.onboarding h1{margin:32px 0 8px;font-size:2.2rem}.grades{flex-wrap:wrap;justify-content:center;gap:12px;margin-top:24px;display:flex}.grade{font:inherit;background:var(--card);cursor:pointer;width:124px;box-shadow:var(--shadow);border:2px solid #0000;border-radius:18px;flex-direction:column;align-items:center;gap:10px;padding:18px 20px;display:flex}.grade:hover{border-color:var(--purple);transform:translateY(-2px)}.grade .circle{color:#fff;border-radius:50%;place-items:center;width:68px;height:68px;font-size:2.2rem;display:grid}.grade .big{font-size:3rem}.interests{grid-template-columns:repeat(auto-fill,minmax(120px,1fr));gap:10px;margin:20px 0 90px;padding:0;list-style:none;display:grid}.interest{font:inherit;background:var(--card);cursor:pointer;width:100%;box-shadow:var(--shadow);border:2px solid #0000;border-radius:14px;flex-direction:column;align-items:center;gap:6px;padding:12px 8px;display:flex}.interest.on{border-color:var(--purple);background:#ece7ff}.interest img{object-fit:contain;width:48px;height:48px}.sticky-bar{border-top:1px solid var(--line);z-index:10;background:#fff;justify-content:space-between;align-items:center;gap:12px;padding:12px 16px;display:flex;position:fixed;bottom:0;left:0;right:0}.sticky-bar .button{margin:0}.nickform{flex-wrap:wrap;justify-content:center;gap:10px;margin-top:16px;display:flex}.nickform input{font:inherit;border:2px solid var(--line);text-align:center;border-radius:12px;width:260px;padding:10px 14px;font-size:1.4rem}.nickform .button{margin:0}.moji.big{width:120px;height:120px;margin-top:24px}@media (width<=520px){html{font-size:16px}.prompt{flex-direction:column}.character{max-width:40%}.answers{grid-template-columns:1fr}.topnav .links a{padding:8px 9px;font-size:.95rem}.shell{padding-bottom:40vw}}.center{text-align:center;padding:24px}.home2{grid-template-columns:minmax(0,2fr) minmax(260px,1fr);align-items:start;gap:18px;max-width:1100px;margin:0 auto;padding:20px 16px 60px;display:grid}.col-side{gap:14px;display:grid;position:sticky;top:70px}.hero2{grid-template-columns:minmax(180px,2fr) 3fr;gap:18px;padding:14px;display:grid}.scene{aspect-ratio:1;background:#d6f3ff 50%/cover no-repeat;border-radius:14px;justify-content:center;align-items:flex-end;display:flex;overflow:hidden}.scene img{width:auto;max-width:100%;height:92%}.herotext h2{margin:6px 0 4px;font-size:1.1rem}.nextup{color:inherit;align-items:center;gap:12px;margin:6px 0;text-decoration:none;display:flex}.nextup span:nth-child(2){font-family:var(--font-bold);flex:1}.daily{color:var(--muted);margin-top:16px;font-size:.9rem}.play{color:#fff;background:#6c6c70;border-radius:50%;flex:none;place-items:center;width:44px;height:44px;font-size:1rem;display:inline-grid}.play.check{background:#2fb36b}.units{gap:22px;margin-top:22px;display:grid}.unit{border-radius:var(--radius);box-shadow:var(--shadow);background:#fff;overflow:hidden}.unit header{color:#fff;justify-content:space-between;align-items:center;padding:18px 22px;display:flex}.unit header img{object-fit:contain;background:#ffffff40;border-radius:12px;width:64px;height:64px;padding:6px}.unitnum{font-family:var(--font-bold);font-size:1.3rem}.unittitle{font-size:1.2rem}.unit ul{margin:0;padding:8px 10px;list-style:none}.unit li a{color:inherit;font-family:var(--font-bold);border-radius:12px;align-items:center;gap:14px;padding:10px 12px;text-decoration:none;display:flex}.unit li a:hover{background:#f6f4ff}.unit li.next a{background:#f1ecff}.unit li.done a{opacity:.7}.unit li .title{flex:1}.unit li .variant{color:var(--muted);font-family:var(--font)}.sidehead{justify-content:space-between;align-items:center;gap:8px;display:flex}.sidehead a{color:var(--purple-dark);font-family:var(--font-bold);text-decoration:none}.interestrow{flex-wrap:wrap;gap:8px;margin-top:8px;display:flex}.interestrow img{width:34px;height:34px}.mojicard img{height:220px;margin:8px auto 0;display:block}.sheet{border-top:4px solid var(--line);box-shadow:var(--shadow);border-radius:var(--radius);background:#fff;margin-top:16px;padding:14px 16px}.sheet.ok{border-top-color:#2fb36b}.sheet.nope{border-top-color:#e24b4b}.sheetrow{justify-content:space-between;align-items:center;gap:12px;display:flex}.sheetrow .button{margin:0}.problem{padding-bottom:48px}@media (width<=760px){.home2{grid-template-columns:1fr}.col-side{position:static}.hero2{grid-template-columns:1fr}.scene{aspect-ratio:auto;height:240px;max-height:260px}.topnav .links a span,.topnav .links a{padding:8px;font-size:.9rem}.topnav .stats{gap:8px}.topnav .stats span{font-size:1rem}}.puzzle{aspect-ratio:1;background:#fff;border:2px solid #989898;border-radius:8px;width:100%;margin-top:8px;position:relative;overflow:hidden}.puzzle img{object-fit:cover;z-index:1;width:100%;height:100%;position:absolute;inset:0}.piece{z-index:2;color:#777;font-family:var(--font-bold);background:#fff;border:1px solid #ddd;place-items:center;font-size:.9rem;display:grid;position:absolute}.piece.open{display:none}.answer-line{font-family:var(--font-bold);text-align:center;margin:8px 0 0}