:root{--ink:#182034;--muted:#6b7280;--paper:#f7f8ff;--purple:#6c5ce7;--purple2:#8b5cf6;--green:#10b981;--orange:#f59e0b;--pink:#ec4899;--blue:#3b82f6;--cyan:#06b6d4;--gold:#f4b400;--shadow:0 16px 40px rgba(48,42,102,.12)}*{box-sizing:border-box}body{margin:0;font-family:Inter,ui-rounded,"Nunito",system-ui,-apple-system,Segoe UI,sans-serif;color:var(--ink);background:radial-gradient(circle at 10% 10%,#eef2ff,transparent 34%),linear-gradient(180deg,#fff 0,#f8f9ff 70%,#f1f5ff 100%);min-height:100vh}.topbar{position:sticky;top:0;z-index:20;height:78px;padding:12px clamp(16px,4vw,48px);display:flex;align-items:center;justify-content:space-between;background:rgba(255,255,255,.88);backdrop-filter:blur(16px);border-bottom:1px solid #ececff}.brand{border:0;background:none;display:flex;align-items:center;gap:12px;cursor:pointer;color:var(--ink);text-align:left}.brand-mark{display:grid;place-items:center;width:46px;height:46px;border-radius:15px;color:#fff;font-weight:900;background:linear-gradient(135deg,#6c5ce7,#00c2ff);box-shadow:0 8px 20px rgba(108,92,231,.3)}.brand b{display:block;font-size:18px}.brand small{display:block;color:var(--muted);font-weight:700}.top-actions{display:flex;align-items:center;gap:10px}.icon-btn,.pill,.cta,.text-btn,.back-btn{font:inherit;cursor:pointer}.icon-btn{width:42px;height:42px;border-radius:14px;border:1px solid #e7e7f4;background:#fff}.pill{border:0;border-radius:999px;padding:11px 16px;font-weight:800;background:#eef2ff;color:#4c46a8}.pill.ghost{background:#fff;border:1px solid #e6e6f2}.xp-pill{border-radius:999px;padding:10px 14px;font-weight:900;background:#fff7d6;border:1px solid #fde68a}.app-shell{max-width:1280px;margin:0 auto;padding:30px clamp(16px,4vw,48px) 70px}.view{display:none}.view.active{display:block}.hero-card{overflow:hidden;min-height:410px;border-radius:34px;background:linear-gradient(135deg,#4f46e5 0%,#7c3aed 50%,#0ea5e9 110%);color:white;display:grid;grid-template-columns:1.05fr .95fr;box-shadow:0 28px 60px rgba(79,70,229,.28);position:relative}.hero-copy{padding:52px}.eyebrow{font-size:12px;letter-spacing:.16em;font-weight:950;opacity:.8}.hero-copy h1{font-size:clamp(42px,6vw,70px);line-height:.94;margin:14px 0 18px;letter-spacing:-.04em}.hero-copy h1 span{color:#fde68a}.hero-copy p{max-width:620px;font-size:18px;line-height:1.6;color:#ede9fe}.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:24px}.cta{border:0;border-radius:18px;background:#ffd43b;color:#402b00;font-weight:950;padding:16px 22px;box-shadow:0 8px 0 #d99d00}.cta:active{transform:translateY(4px);box-shadow:0 4px 0 #d99d00}.hero-copy .pill{background:rgba(255,255,255,.15);color:#fff;border:1px solid rgba(255,255,255,.25)}.mini-stats{display:flex;gap:18px;flex-wrap:wrap;margin-top:28px;font-size:14px;color:#fff}.hero-world{position:relative;min-height:410px;background:linear-gradient(#7dd3fc 0 56%,#86efac 56%);overflow:hidden}.sun{position:absolute;right:34px;top:32px;width:78px;height:78px;background:#fde047;border-radius:50%;box-shadow:0 0 0 16px rgba(253,224,71,.18)}.cloud{position:absolute;font-size:68px;filter:drop-shadow(0 8px 8px rgba(0,0,0,.08));opacity:.94}.c1{top:28px;left:36px}.c2{top:115px;right:70px;font-size:52px}.school{position:absolute;font-size:170px;bottom:34px;left:50%;transform:translateX(-50%);filter:drop-shadow(0 15px 14px rgba(0,0,0,.18))}.mascot{position:absolute;bottom:18px;right:28px;font-size:88px;filter:drop-shadow(0 12px 10px rgba(0,0,0,.25))}.mascot span{position:absolute;font-size:13px;background:#fff;color:#6246c5;font-weight:900;padding:5px 10px;border-radius:12px;right:48px;bottom:66px}.float-card{position:absolute;background:#fff;color:#332d66;font-weight:950;padding:10px 14px;border-radius:16px;box-shadow:var(--shadow);animation:float 3.5s ease-in-out infinite}.fc1{top:105px;left:24px;transform:rotate(-5deg)}.fc2{top:165px;right:18px;animation-delay:.6s}.fc3{bottom:42px;left:28px;animation-delay:1.2s}@keyframes float{50%{transform:translateY(-8px) rotate(2deg)}}.section-head{display:flex;align-items:end;justify-content:space-between;gap:20px;margin:42px 0 18px}.section-head h2{font-size:32px;margin:4px 0 0}.text-btn{border:0;background:none;color:#6c5ce7;font-weight:850}.episode-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.episode-card{position:relative;overflow:hidden;border:1px solid #ececf7;background:#fff;border-radius:26px;padding:22px;box-shadow:0 10px 30px rgba(47,43,88,.07);min-height:230px;transition:.2s ease;cursor:pointer}.episode-card:hover{transform:translateY(-5px);box-shadow:0 18px 40px rgba(47,43,88,.13)}.episode-card.locked{filter:grayscale(.75);opacity:.67}.episode-card .num{display:inline-flex;padding:7px 10px;border-radius:10px;background:#f1f0ff;color:#6c5ce7;font-size:11px;font-weight:950}.episode-icon{font-size:54px;margin:16px 0 8px}.episode-card h3{font-size:22px;margin:0}.episode-card p{color:var(--muted);margin:6px 0 16px}.episode-status{display:flex;align-items:center;justify-content:space-between}.stars{letter-spacing:2px}.mastery-chip{font-size:12px;padding:6px 9px;border-radius:999px;background:#f3f4f6;font-weight:900;color:#5b6474}.episode-card.boss{grid-column:span 3;background:linear-gradient(135deg,#fff8dc,#fff,#fff5c2);border:2px solid #facc15}.teacher-love{display:grid;grid-template-columns:auto 1fr auto;gap:18px;align-items:center;margin-top:28px;padding:22px 24px;border-radius:24px;background:#fff;border:1px solid #e9e9f5;box-shadow:0 10px 30px rgba(47,43,88,.06)}.teacher-icon{font-size:46px}.teacher-love h3{margin:0 0 6px}.teacher-love p{margin:0;color:var(--muted)}.game-layout{display:grid;grid-template-columns:280px 1fr;gap:18px}.game-sidebar{background:#fff;border:1px solid #ececf7;border-radius:26px;padding:22px;height:max-content;position:sticky;top:96px;box-shadow:0 12px 30px rgba(47,43,88,.07)}.back-btn{border:0;background:#f5f3ff;color:#5b4cc4;border-radius:12px;padding:9px 12px;font-weight:850}.mission-title{margin:18px 0 4px;font-size:25px}.mission-sub{color:var(--muted);font-size:13px}.progress-wrap{height:12px;background:#eeeef8;border-radius:999px;overflow:hidden;margin:20px 0}.progress-bar{height:100%;width:0;background:linear-gradient(90deg,#6c5ce7,#22c55e);transition:.35s}.side-stats{display:flex;justify-content:space-between;gap:10px;font-size:15px}.learning-target{margin-top:20px;padding:15px;border-radius:17px;background:#f5f7ff;border:1px dashed #c7d2fe;font-size:13px;line-height:1.5;color:#4b5563}.game-stage{min-height:670px;background:linear-gradient(180deg,#fff,#fafbff);border:1px solid #ececf7;border-radius:30px;box-shadow:0 18px 40px rgba(47,43,88,.08);overflow:hidden}.game-hud{min-height:72px;padding:18px 24px;border-bottom:1px solid #efeff7;display:flex;justify-content:space-between;align-items:center;gap:10px}.stage-chip{display:inline-flex;align-items:center;gap:8px;padding:8px 12px;border-radius:999px;background:#eef2ff;color:#4f46e5;font-size:13px;font-weight:900}.audio-btn{border:0;border-radius:14px;background:#e0f2fe;color:#075985;padding:11px 14px;font-weight:900;cursor:pointer}.game-canvas{padding:34px;min-height:510px;display:grid;place-items:center;position:relative}.prompt-card{width:min(760px,100%);text-align:center}.prompt-card h2{font-size:clamp(30px,4vw,48px);margin:8px 0 12px}.prompt-card .subprompt{color:var(--muted);font-size:16px}.character-row{display:flex;justify-content:center;gap:18px;margin:28px 0}.character{font-size:74px;background:#f8fafc;border-radius:28px;padding:18px 22px;box-shadow:inset 0 -6px 0 rgba(0,0,0,.04)}.answer-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin-top:26px}.answer-btn{border:2px solid #e7e7f3;background:#fff;border-radius:20px;padding:17px 16px;font-size:18px;font-weight:850;color:#30374a;cursor:pointer;box-shadow:0 5px 0 #e6e7f0;transition:.12s}.answer-btn:hover{transform:translateY(-2px);border-color:#c7d2fe}.answer-btn:active{transform:translateY(3px);box-shadow:0 2px 0 #e6e7f0}.answer-btn.correct{background:#dcfce7;border-color:#22c55e;box-shadow:0 5px 0 #86efac}.answer-btn.wrong{background:#fee2e2;border-color:#ef4444;box-shadow:0 5px 0 #fca5a5}.feedback{min-height:74px;padding:0 28px 24px}.feedback-box{max-width:760px;margin:0 auto;border-radius:18px;padding:15px 18px;font-weight:780;display:flex;gap:12px;align-items:center}.feedback-box.good{background:#ecfdf5;color:#065f46}.feedback-box.bad{background:#fff1f2;color:#9f1239}.feedback-box.teach{background:#eff6ff;color:#1e40af}.bubble-field{position:relative;width:min(760px,100%);height:410px;border-radius:28px;background:linear-gradient(#e0f2fe,#f0fdf4);overflow:hidden;border:2px solid #dbeafe}.number-bubble{position:absolute;width:88px;height:88px;border-radius:50%;display:grid;place-items:center;color:white;font-size:30px;font-weight:950;cursor:pointer;box-shadow:inset -8px -10px 0 rgba(0,0,0,.1),0 10px 20px rgba(0,0,0,.12);animation:bob 2.7s ease-in-out infinite}.number-bubble:after{content:"";position:absolute;width:18px;height:8px;background:rgba(255,255,255,.55);border-radius:50%;top:15px;left:19px;transform:rotate(-25deg)}@keyframes bob{50%{transform:translateY(-12px)}}.colour-tiles{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:28px}.colour-tile{border:0;border-radius:22px;padding:24px 10px;color:#fff;font-weight:950;font-size:18px;cursor:pointer;min-height:104px;box-shadow:inset 0 -7px 0 rgba(0,0,0,.15)}.object-big{font-size:112px;filter:drop-shadow(0 14px 10px rgba(0,0,0,.12));margin:16px}.command-scene{font-size:120px;margin:20px}.quick-learn{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.learn-item{padding:16px;border-radius:18px;background:#f8fafc;border:1px solid #e5e7eb;display:flex;justify-content:space-between;gap:14px;align-items:center}.learn-item b{font-size:18px}.learn-item span{color:var(--muted)}.modal{position:fixed;inset:0;z-index:50;background:rgba(24,32,52,.55);display:grid;place-items:center;padding:20px;backdrop-filter:blur(8px)}.modal[hidden]{display:none}.modal-card{position:relative;width:min(760px,100%);max-height:88vh;overflow:auto;background:#fff;border-radius:28px;padding:30px;box-shadow:0 30px 80px rgba(0,0,0,.25)}.modal-close{position:absolute;right:16px;top:14px;width:40px;height:40px;border:0;border-radius:12px;background:#f3f4f6;font-size:26px;cursor:pointer}.modal-card h2{margin-top:0}.teacher-panel{background:#fff;border:1px solid #ececf7;border-radius:28px;padding:28px;box-shadow:var(--shadow)}.report-cards{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.report-card{padding:18px;border-radius:20px;background:#f8fafc;border:1px solid #e7eaf0}.report-card span{display:block;font-size:12px;color:var(--muted);font-weight:800}.report-card b{display:block;font-size:28px;margin-top:8px}.report-table{margin-top:22px;border:1px solid #e7e7f1;border-radius:18px;overflow:hidden}.report-row{display:grid;grid-template-columns:1.6fr .8fr .8fr .8fr;gap:8px;align-items:center;padding:14px 16px;border-bottom:1px solid #eeeef6}.report-row:last-child{border-bottom:0}.report-row.head{font-size:12px;text-transform:uppercase;color:var(--muted);font-weight:900;background:#f8fafc}.teacher-note{margin-top:22px;padding:20px;border-radius:20px;background:#fffbeb;border:1px solid #fde68a}.teacher-note h3{margin-top:0}.teacher-note p{margin-bottom:0;line-height:1.65}.celebrate{text-align:center;padding:28px}.celebrate .big{font-size:90px}.celebrate h2{font-size:40px;margin:10px 0}.celebrate p{color:var(--muted);font-size:17px}.result-stars{font-size:42px;letter-spacing:8px}.confetti-piece{position:fixed;width:10px;height:16px;top:-20px;z-index:99;animation:fall 1.9s linear forwards}@keyframes fall{to{transform:translateY(110vh) rotate(720deg)}}@media(max-width:900px){.hero-card{grid-template-columns:1fr}.hero-world{min-height:280px}.episode-grid{grid-template-columns:1fr 1fr}.episode-card.boss{grid-column:span 2}.game-layout{grid-template-columns:1fr}.game-sidebar{position:relative;top:auto}.game-stage{min-height:600px}.report-cards{grid-template-columns:1fr 1fr}.teacher-love{grid-template-columns:auto 1fr}.teacher-love .pill{grid-column:1/-1}.top-actions .ghost{display:none}}@media(max-width:620px){.topbar{height:68px;padding:10px 12px}.brand small{display:none}.brand b{font-size:15px}.brand-mark{width:40px;height:40px}.xp-pill{padding:8px 10px}.app-shell{padding:18px 12px 48px}.hero-copy{padding:30px 24px}.hero-copy h1{font-size:44px}.hero-world{min-height:240px}.school{font-size:125px}.mascot{font-size:66px}.episode-grid{grid-template-columns:1fr}.episode-card.boss{grid-column:auto}.game-canvas{padding:22px 14px}.answer-grid{grid-template-columns:1fr}.colour-tiles{grid-template-columns:1fr 1fr}.report-cards{grid-template-columns:1fr}.report-row{grid-template-columns:1.6fr .7fr .7fr}.report-row>*:nth-child(4){display:none}.quick-learn{grid-template-columns:1fr}.section-head{align-items:flex-start}.section-head h2{font-size:27px}.hero-actions>*{width:100%}.mini-stats{gap:10px}.teacher-love{grid-template-columns:1fr;text-align:center}.teacher-icon{font-size:42px}}