:root{--bg:#101a34;--panel:#202c4a;--panel2:#2c3458;--line:#4a5979;--white:#fdfbff;--muted:#bccbe1;--mint:#79ebcd;--lav:#bcadff;--pink:#ffa9cf;--gold:#ffdb83;--danger:#ffb1bd;--good:#baf8d4}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:radial-gradient(ellipse at 100% 4%,#3d3474 0,transparent 45%),radial-gradient(ellipse at 25% 100%,#163957 0,transparent 52%),var(--bg);font-family:ui-rounded,system-ui,-apple-system,'Segoe UI',sans-serif;color:var(--white);min-height:100vh}button,input,textarea{font:inherit}button{cursor:pointer}button:disabled{opacity:.42;cursor:not-allowed}button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible{outline:3px solid var(--gold);outline-offset:3px}h1,h2,h3,p{margin-top:0}p{line-height:1.58}h1{font-size:clamp(37px,5.7vw,65px);line-height:1.08;letter-spacing:-.055em}h2{font-size:clamp(29px,4vw,41px);line-height:1.15;letter-spacing:-.035em}h3{font-size:21px}.muted{color:var(--muted)}.fine{font-size:12px;color:var(--muted);line-height:1.6}.eyebrow{color:var(--mint);letter-spacing:.15em;text-transform:uppercase;font-size:12px;font-weight:950}.button{border:0;border-radius:14px;padding:14px 19px;font-weight:900;box-shadow:0 5px 0 #0d2a32;color:#1c2e42;transition:filter .15s}.button:hover{filter:brightness(1.1)}.button.mint{background:linear-gradient(115deg,var(--mint),#addefe)}.button.pink{background:linear-gradient(115deg,var(--pink),#d6bbff);box-shadow:0 5px 0 #423358}.button.gold{background:linear-gradient(115deg,#ffe98e,#ffc39c);box-shadow:0 5px 0 #624537}.button.outline{background:#2b3656;box-shadow:none;border:1px solid #7182a3;color:white}.button[hidden]{display:none}.ghost{border:1px solid #657590;border-radius:10px;background:#313956;color:#f3f7ff;padding:10px}.ghost.small{font-size:12px}.gate{position:fixed;inset:0;background:radial-gradient(circle at top,#29335a 0,#131a33 70%);z-index:10;display:grid;place-items:center;padding:24px;overflow:auto}.gate[hidden]{display:none}.gate-card{background:#202b4b;border:1px solid #86d0c0;border-radius:28px;box-shadow:0 15px 50px #0409157a;text-align:center;max-width:520px;width:100%;padding:42px 30px}.gate-card h1{font-size:37px;margin:12px 0}.gate-art{font-size:44px;margin:6px 0 17px}.gate-art span{display:inline-block;animation:sway 3s ease-in-out infinite}.error{font-size:13px;color:var(--danger);white-space:pre-wrap;margin-top:15px}.topbar{max-width:1300px;margin:auto;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:21px 20px 16px}.brand{display:flex;gap:12px;align-items:center;font-size:15px;letter-spacing:.06em}.brand-icon{font-size:29px;display:grid;place-items:center;height:47px;width:47px;border-radius:15px;background:#4a3d77}.brand small{display:block;font-size:10px;color:var(--mint);letter-spacing:.18em;margin-top:4px}.top-actions{display:flex;align-items:center;gap:12px;flex-wrap:wrap}.cloud{font-size:12px;border:1px solid #63718e;background:#263452;color:#e6e9ff;border-radius:100px;padding:9px 12px;font-weight:900}.cloud.good{color:var(--good);border-color:#4fa88c}.cloud.warn{color:#ffe09d;border-color:#ad8156}.cloud.bad{color:var(--danger);border-color:#cc7185}.layout{max-width:1300px;margin:auto;padding:8px 20px 40px;display:grid;grid-template-columns:224px minmax(0,1fr);gap:23px}.sidebar{border:1px solid #445674;background:#1b2845bb;border-radius:22px;padding:19px 13px;height:fit-content}.side-title{font-size:10px;font-weight:950;letter-spacing:.16em;color:var(--mint);padding:0 10px 13px}.nav-btn{display:block;width:100%;border:1px solid transparent;border-radius:13px;background:transparent;color:#cdd7ef;font-weight:800;text-align:left;margin-bottom:6px;padding:13px 11px}.nav-btn.active{background:var(--mint);color:#1b3340}.nav-btn.past:not(.active){border-color:#405d5c;color:#b8f8e9}.nav-btn:disabled{opacity:.35}.aside-note{border:1px solid #606b88;border-radius:15px;padding:13px;font-size:12px;color:var(--muted);margin-top:23px}.aside-note p{font-size:12px;margin:6px 0 0}.workspace{min-width:0}.panel{background:linear-gradient(145deg,#253252,#1b2846);border:1px solid #52617f;border-radius:24px;padding:clamp(20px,4vw,34px);box-shadow:0 15px 32px #050c2428}.panel+.panel{margin-top:15px}.hero{min-height:355px;background:linear-gradient(125deg,#41366a,#273e62 65%,#20716b);display:grid;grid-template-columns:1.1fr .9fr;align-items:center;gap:8px;position:relative;overflow:hidden}.hero p{font-size:17px;color:#f0efff}.hero h1 span{color:var(--mint)}.hero-illustration{display:grid;place-items:center;min-height:270px}.pill{display:inline-flex;align-items:center;gap:7px;border:1px solid #b7aae252;border-radius:99px;background:#ffffff18;padding:7px 11px;color:#f6e8ff;font-size:12px;font-weight:900}.action-row{display:flex;gap:12px;flex-wrap:wrap;align-items:center;margin-top:20px}.story-quote{border-left:5px solid var(--lav);padding:14px 19px;background:#424064aa;border-radius:0 14px 14px 0;line-height:1.8;font-size:18px;margin:17px 0}.mini-cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin-top:15px}.mini-card{background:#293855;border:1px solid #506482;border-radius:17px;padding:14px}.mini-card b{display:block;font-size:15px;margin-bottom:6px}.mini-card span{font-size:12px;color:var(--muted)}.choice{width:100%;display:flex;align-items:center;gap:12px;text-align:left;border:1px solid #657297;color:#fdfcff;background:#313c60;border-radius:15px;padding:14px;margin-top:10px;font-weight:750;line-height:1.5}.choice:hover{background:#394d73}.choice.selected{border-color:var(--gold);background:#514a69}.choice.correct{background:#20564f;border-color:var(--mint)}.letter{flex:0 0 32px;display:grid;place-items:center;border-radius:10px;background:#ffffff1a;height:32px}.info{background:#173d53a8;border:1px solid #508ca1;border-radius:14px;padding:14px 16px;line-height:1.62;margin-top:18px}.info.success{background:#235346;border-color:#6cd4a9}.info.bad{background:#593a50;border-color:#cf8597}.info.warn{background:#5b4d40;border-color:#c8a365}.input-label{font-size:13px;font-weight:900;color:#e7f3ff;display:block;margin:14px 0 6px}input[type=number],input[type=text],textarea{background:#12213e;color:#fff;border:1px solid #657da0;border-radius:11px;padding:12px;width:100%;min-height:45px}textarea{min-height:91px;resize:vertical}.experiment-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin:20px 0}.wormbox{background:#273652;border:1px solid #566b8f;border-radius:18px;padding:18px;display:flex;flex-direction:column;align-items:center;gap:7px}.wormbox b{font-size:22px}.wormbox .wormsvg{height:82px;width:150px;max-width:100%}.wormbox label{width:100%;font-size:12px;font-weight:900;color:#e1ebff;margin-top:6px}.data-chart{display:flex;flex-direction:column;gap:15px;margin:22px 0}.data-row{display:grid;grid-template-columns:104px minmax(0,1fr) 90px;align-items:center;gap:12px;font-size:14px}.barwrap{height:28px;border-radius:9px;background:#354061;overflow:hidden}.barval{height:100%;border-radius:9px;min-width:2px}.progress-track{height:8px;background:#425173;border-radius:99px;overflow:hidden;margin:15px 0 22px}.progress-track>div{height:100%;background:linear-gradient(90deg,var(--mint),var(--lav),var(--gold));transition:width .3s}.stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.stat{background:#222e4c;border-radius:17px;padding:13px;border:1px solid #536481;text-align:center}.stat b{font-size:26px;color:var(--gold);display:block}.stat span{font-size:12px;color:var(--muted)}.footer{color:#97abc5;font-size:11px;margin:32px 0 12px;line-height:1.6}.footer a{color:#8debe1}.food-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.food-btn{font-weight:800;border-radius:16px;padding:14px;background:#363c66;border:1px solid #666b99;color:#fff;text-align:left;line-height:1.5}.food-btn.selected{background:#255357;border-color:var(--mint)}.food-btn span{font-size:30px;display:inline-block;margin-right:8px}.pet-stage{background:radial-gradient(ellipse,#435a79,#273253 70%);padding:25px;text-align:center;border-radius:22px;border:1px solid #7183a6;min-height:330px;display:grid;place-items:center;overflow:hidden}.pet-stage .pet-svg{width:175px;height:170px;max-width:100%;filter:drop-shadow(0 10px 15px #0b13215e);animation:sway 3s ease-in-out infinite}.pet-stage.feeding .pet-svg{animation:chomp .35s ease-in-out 5}.food-label{font-size:38px;animation:sway 2s infinite}.confetti{font-size:33px;animation:jump 1s infinite}.saved-time{font-size:12px;color:#c8f4eb}.video-card{margin-top:15px;background:#182943;border:1px solid #596b8c;border-radius:20px;padding:17px}.video-box{aspect-ratio:16/9;max-width:560px;border-radius:16px;background:linear-gradient(145deg,#375377,#372c65);display:grid;place-items:center;text-align:center;padding:12px}.video-box a{text-decoration:none}.video-box strong{font-size:44px;display:block;margin-bottom:10px}.test-mode{font-size:11px;color:#ffe1a4}.keynote{color:var(--gold)}.sheet{background:#242d4f;border-radius:14px;border:1px solid #526489;padding:17px;margin-top:15px}.sheet small{display:block;color:var(--muted)}
@keyframes sway{50%{transform:translateY(-8px) rotate(3deg)}}@keyframes chomp{50%{transform:scale(1.12) rotate(-6deg)}}@keyframes jump{50%{transform:translateY(-14px)}}
@media(max-width:900px){.layout{grid-template-columns:1fr}.sidebar{display:none}.hero{grid-template-columns:1fr}.hero-illustration{min-height:150px}.hero-illustration svg{max-height:170px}}@media(max-width:600px){.topbar{padding:14px 12px;align-items:flex-start}.top-actions{justify-content:flex-end}.layout{padding:6px 12px 40px}.experiment-grid,.mini-cards,.stats{grid-template-columns:1fr}.data-row{grid-template-columns:76px 1fr 75px;gap:6px;font-size:12px}.food-grid{grid-template-columns:1fr}.hero{min-height:0}.panel{padding:20px}.brand{font-size:12px}.brand small{font-size:9px}.top-actions .ghost{padding:8px 5px}.cloud{padding:7px 8px;font-size:11px}.gate-card{padding:29px 18px}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation:none!important;scroll-behavior:auto!important}}

.adventure-ribbon{max-width:1300px;margin:0 auto 12px;padding:8px 20px;display:flex;flex-wrap:wrap;gap:10px;align-items:center}.adventure-ribbon span:first-child{font-weight:950;letter-spacing:.09em;font-size:11px;color:#a3eeeb}.adventure-ribbon a,.adventure-link{border:1px solid #8671be;background:linear-gradient(110deg,#665181,#35436e);color:#f3e7ff;text-decoration:none;border-radius:14px;padding:10px 15px;font-weight:900;font-size:13px}.adventure-link{display:block;text-align:center}.adventure-ribbon a:hover,.adventure-link:hover{filter:brightness(1.2)}.current-lesson{color:#b4f3de;font-size:12px;font-weight:850}.pet-stage{background:radial-gradient(circle at 65% 20%,#779bba7a,transparent 30%),linear-gradient(165deg,#6d567b,#414768 54%,#344962 55%,#23344d)!important;border:2px solid #9cb6cd!important;box-shadow:inset 0 0 30px #dbffff29,0 14px 30px #0007}.pet-stage .pet-svg{height:245px!important;width:245px!important;max-width:98%!important;filter:drop-shadow(0 19px 13px #05091985)!important}.pet-stage::before{content:'✦   ✧   ✦';position:absolute;top:15px;color:#dffff7ac;letter-spacing:18px;font-size:18px}.pet-stage{position:relative}.pet-stage .food-label{font-size:58px;filter:drop-shadow(0 7px 8px #04132588)}.pet-stage.feeding .pet-svg{animation:chomp .3s ease-in-out 6!important}.food-btn{background:linear-gradient(135deg,#554969,#364e71);border:1px solid #a08db9;padding:16px!important}.food-btn span{font-size:39px!important}@media(max-width:600px){.adventure-ribbon{padding:8px 12px}.pet-stage .pet-svg{height:195px!important;width:195px!important}}