:root{--ink: #2b2230;--paper: #fffaf0;--mint-a: #74d98f;--mint-b: #7fe6d8;--grass: #9fe0a0;--sun: #f7cf4f;--pink: #f4a3a8;--blue: #7aa6dc;--muted: #5b5063;--radius: 18px;font-family:Nunito,system-ui,sans-serif;color:var(--ink);-webkit-font-smoothing:antialiased}*{box-sizing:border-box}body{margin:0;min-height:100vh;background:linear-gradient(115deg,var(--mint-a),var(--mint-b));background-attachment:fixed}body:before{content:"";position:fixed;inset:0;pointer-events:none;opacity:.18;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='200' height='200'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='3'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");mix-blend-mode:multiply}h1,h2,.logo,button,.tag,.eyebrow{font-family:Chewy,Nunito,system-ui,sans-serif;font-weight:400;letter-spacing:.01em}h1{font-size:clamp(1.8rem,4.4vw,2.6rem);line-height:1.1;margin:.2em 0 .4em}h2{font-size:1.4rem;margin:1.2em 0 .4em}p,li{font-size:1.08rem;line-height:1.5}a{color:var(--ink);font-weight:800;text-decoration-thickness:2px}.app{position:relative;max-width:1120px;margin:0 auto;padding:20px 16px 40px}button{cursor:pointer;border:3px solid var(--ink);border-radius:14px;background:var(--paper);color:var(--ink);font-size:1.1rem;padding:8px 16px;box-shadow:3px 3px 0 var(--ink);transition:transform .08s,box-shadow .08s}button:hover:not(:disabled){transform:translate(-1px,-1px);box-shadow:4px 4px 0 var(--ink)}button:active:not(:disabled){transform:translate(2px,2px);box-shadow:1px 1px 0 var(--ink)}button:disabled{opacity:.5;cursor:default}button:focus-visible,input:focus-visible{outline:3px dashed var(--ink);outline-offset:3px}button.big{background:var(--sun);font-size:1.5rem;padding:10px 26px;box-shadow:5px 5px 0 var(--ink)}button.small-big{font-size:1.1rem;padding:6px 14px}button.ghost{background:#fffaf0b3}.card{background:var(--paper);border:3px solid var(--ink);border-radius:var(--radius);box-shadow:6px 6px 0 var(--ink);padding:20px 22px}.row{display:flex;flex-wrap:wrap;gap:14px;align-items:center;margin-top:18px}.center{justify-content:center}.small{font-size:.92rem;color:var(--muted)}.eyebrow{margin:0;font-size:1.1rem;color:#3f7f55}kbd{border:2px solid var(--ink);border-radius:6px;padding:0 6px;font-size:.85em;background:#fff;margin-left:6px}input{font:inherit;font-size:1.05rem;border:3px solid var(--ink);border-radius:12px;padding:10px 12px;background:#fff;color:var(--ink);min-width:0}@keyframes bob{50%{transform:translateY(-5px) rotate(-1.5deg)}}@keyframes hop{0%,60%,to{transform:translateY(0)}30%{transform:translateY(-14px)}}@keyframes shake{25%{transform:translate(-6px)}75%{transform:translate(6px)}}.bob{animation:bob 2.6s ease-in-out infinite}.bob.delay{animation-delay:-1.3s}.hop{animation:hop 1.4s ease-in-out infinite}.shake{animation:shake .3s 2}@media(prefers-reduced-motion:reduce){.bob,.hop,.player.walking svg{animation:none}}.title{text-align:center;padding-top:4vh}.title-cast{display:flex;justify-content:center;align-items:flex-end;flex-wrap:wrap;gap:4px}.logo{font-size:clamp(3.2rem,11vw,6.5rem);margin:10px 0 6px;color:var(--sun);-webkit-text-stroke:3px var(--ink);paint-order:stroke fill;text-shadow:5px 5px 0 var(--ink);transform:rotate(-2deg)}.logo span{color:var(--pink);font-size:.6em}.lede{max-width:620px;margin:10px auto;font-size:1.2rem}.hud{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin-bottom:8px}.hud-score,.hud-count{font-family:Chewy,sans-serif;font-size:1.3rem;background:var(--paper);border:3px solid var(--ink);border-radius:999px;padding:3px 14px}.hud-score{background:var(--sun)}.how{margin:4px 0 10px;font-size:.98rem}.pond{position:relative;width:100%;aspect-ratio:16 / 10;min-height:460px;border:3px solid var(--ink);border-radius:24px;box-shadow:6px 6px 0 var(--ink);background:radial-gradient(circle at 20% 20%,rgba(255,255,255,.35),transparent 40%),linear-gradient(160deg,#a6e59a,#8fdcb0);overflow:hidden;cursor:pointer;user-select:none}.pond-scenery{position:absolute;inset:0;width:100%;height:100%}.lily,.bush{position:absolute;transform:translate(-50%,-50%);pointer-events:none}.lily{width:34px;height:22px;border-radius:50%;background:#5fae5a;border:2px solid var(--ink);clip-path:polygon(0 0,100% 0,100% 100%,0 100%,0 50%,45% 50%,0 20%)}.bush{width:64px;height:44px;border-radius:50% 50% 40% 40%;background:radial-gradient(circle at 30% 30%,#7fca6d,#5aa65a);border:3px solid var(--ink);box-shadow:inset -6px -4px #0000001a}.station{position:absolute;transform:translate(-50%,-50%);background:none;border:none;box-shadow:none;padding:0;display:flex;flex-direction:column;align-items:center}.station:hover:not(:disabled),.station:active:not(:disabled){box-shadow:none;transform:translate(-50%,-52%)}.station .tag{background:var(--paper);border:2.5px solid var(--ink);border-radius:999px;padding:1px 12px;font-size:1.05rem;margin-top:-6px;white-space:nowrap}.station .topic-chip{font-family:Nunito,sans-serif;font-size:.72rem;font-weight:800;margin-top:3px;background:#2b2230cc;color:#fff;border-radius:999px;padding:1px 8px;white-space:nowrap}.station.near .tag{background:var(--sun)}.station.done .tag{background:#c6f0b8}.check{color:#2f8a3e}.player{position:absolute;transform:translate(-50%,-80%);pointer-events:none;display:flex;flex-direction:column;align-items:center;transition:none}.player.walking svg{animation:hop .45s ease-in-out infinite}.player .you{font-weight:800;font-size:.72rem;background:var(--ink);color:#fff;border-radius:6px;padding:0 6px;margin-top:-4px}.talk-prompt{position:absolute;left:50%;bottom:16px;transform:translate(-50%);background:var(--sun);z-index:200;font-size:1.25rem}.talk-prompt:hover:not(:disabled){transform:translate(-50%,-1px)}.room-bar{display:flex;flex-wrap:wrap;gap:12px;align-items:center;margin-bottom:14px}.room-title{font-size:1.05rem}.lesson,.won{max-width:760px;margin:0 auto}.lesson-cast{display:flex;align-items:center;gap:16px;flex-wrap:wrap}.explain{padding-left:22px}.explain li{margin-bottom:6px}.analogy{background:#fff2c4;border:2.5px dashed var(--ink);border-radius:14px;padding:12px 14px}.analogy span{font-weight:800}.goal{margin-top:16px;background:#d9f4ff;border:2.5px solid var(--ink);border-radius:14px;padding:10px 14px}.goal p{margin:4px 0 0}.lesson .big{margin-top:20px}.play{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:18px;align-items:start}.chat{display:flex;flex-direction:column;padding:0;overflow:hidden;height:min(72vh,640px);min-height:420px}.chat-head{display:flex;align-items:center;gap:10px;padding:10px 16px;border-bottom:3px solid var(--ink);background:#e8f7df}.chat-head b{display:block;font-family:Chewy,sans-serif;font-weight:400;font-size:1.3rem}.chat-head span{font-size:.9rem;color:var(--muted)}.log{flex:1;overflow-y:auto;padding:16px;display:flex;flex-direction:column;gap:10px}.bubble{max-width:82%;padding:10px 14px;border:2.5px solid var(--ink);border-radius:16px;white-space:pre-wrap;overflow-wrap:anywhere;font-size:1.02rem;line-height:1.45}.bubble.bot{align-self:flex-start;background:#fff;border-bottom-left-radius:4px}.bubble.you{align-self:flex-end;background:var(--grass);border-bottom-right-radius:4px}.bubble.tool{align-self:flex-start;font-family:ui-monospace,SF Mono,Menlo,monospace;font-size:.86rem;background:#2b2230;color:#c6f0b8;border-style:dashed}.tool-label{display:block;font-family:Nunito,sans-serif;font-size:.72rem;font-weight:800;color:var(--sun);text-transform:uppercase;letter-spacing:.06em}.bubble.system{align-self:center;background:var(--sun);text-align:center;font-weight:700}.typing{display:flex;gap:5px}.typing i{width:8px;height:8px;border-radius:50%;background:var(--ink);animation:bob .9s infinite}.typing i:nth-child(2){animation-delay:.15s}.typing i:nth-child(3){animation-delay:.3s}.composer{display:flex;gap:8px;padding:12px;border-top:3px solid var(--ink);background:#f6f1e4}.composer input{flex:1}.composer button{background:var(--sun)}.side{display:flex;flex-direction:column;gap:18px}.side .card{padding:16px}.side p{margin:6px 0;font-size:1rem}.answer{display:flex;gap:8px;margin-top:10px}.answer input{flex:1;width:100%;text-transform:uppercase}.answer input::placeholder{text-transform:none}.hints ol{padding-left:20px;margin:8px 0}.hints li{font-size:.98rem;margin-bottom:8px;background:#fff2c4;border-radius:10px;padding:6px 8px}.won .lesson-cast{justify-content:center}.defense li::marker{content:"🛡️ "}.finale{max-width:720px;margin:4vh auto 0;text-align:center}.badges{list-style:none;padding:0;display:grid;gap:8px;text-align:left;max-width:460px;margin:16px auto}.badges li{display:flex;justify-content:space-between;border:2.5px solid var(--ink);border-radius:12px;padding:6px 12px;background:#e8f7df}@media(max-width:820px){.play{grid-template-columns:1fr}.chat{height:70vh}}@media(max-width:640px){.pond{aspect-ratio:auto;height:76vh;min-height:520px}.station svg{width:64px;height:64px}.station .topic-chip{display:none}.station .tag{font-size:.95rem;padding:0 8px}.card:not(.chat){padding:16px}.bubble{max-width:92%}}