:root{--paper: #fdf9f0;--grid: rgba(74, 124, 89, .07);--ink: #2b3a55;--ink-soft: #6b7a94;--blue: #3b6fd4;--blue-dark: #2c56aa;--orange: #ff8a3d;--green: #4a9d6b;--card: #ffffff;--line: #e4ddcf;--shadow: 0 4px 14px rgba(43, 58, 85, .1);--radius: 1.25rem}*{box-sizing:border-box;margin:0}[hidden]{display:none!important}html,body{height:100%}body{font-family:ui-rounded,SF Pro Rounded,Comic Neue,Segoe UI,system-ui,sans-serif;color:var(--ink);background:linear-gradient(var(--grid) 1px,transparent 1px),linear-gradient(90deg,var(--grid) 1px,transparent 1px),var(--paper);background-size:28px 28px,28px 28px,auto;display:flex;justify-content:center}#app{width:min(640px,100%);padding:1rem;display:flex;flex-direction:column}#setup{text-align:center;margin:auto 0;padding:2.5rem 1.5rem;animation:rise .5s ease-out}.mascot{width:min(320px,70vw);mix-blend-mode:multiply;display:inline-block;animation:bob 2.6s ease-in-out infinite;filter:drop-shadow(0 6px 10px rgba(43,58,85,.18))}@keyframes bob{0%,to{transform:translateY(0) rotate(-3deg)}50%{transform:translateY(-10px) rotate(3deg)}}#setup h1{font-size:3rem;letter-spacing:-.02em;margin-top:.5rem;color:var(--blue-dark)}.tagline{font-size:1.15rem;color:var(--ink-soft);margin:.5rem auto 2rem;max-width:26rem;text-wrap:balance}#setup h2{font-size:1.3rem;margin-bottom:1rem}#ages{display:flex;gap:.6rem;justify-content:center;flex-wrap:wrap;max-width:22rem;margin:0 auto}#ages button{font:inherit;font-size:1.4rem;font-weight:700;width:3.6rem;height:3.6rem;border-radius:1.1rem;border:3px solid var(--blue);background:var(--card);color:var(--blue-dark);cursor:pointer;box-shadow:0 3px 0 var(--blue);transition:transform .12s,box-shadow .12s,background .12s,color .12s}#ages button:hover,#ages button:focus-visible{background:var(--blue);color:#fff;transform:translateY(-3px);box-shadow:0 6px 0 var(--blue-dark)}#ages button:active{transform:translateY(1px);box-shadow:0 1px 0 var(--blue-dark)}.note{margin-top:2.5rem;font-size:.85rem;color:var(--ink-soft);max-width:28rem;margin-inline:auto}#chat{display:flex;flex-direction:column;height:calc(100dvh - 2rem);animation:rise .4s ease-out}#chat header{display:flex;align-items:center;gap:.6rem;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:.6rem 1rem;box-shadow:var(--shadow)}.logo{height:2rem}#chat h1{font-size:1.25rem;color:var(--blue-dark)}.badge{background:var(--orange);color:#fff;font-size:.8rem;font-weight:700;padding:.25rem .7rem;border-radius:1rem}#reset{margin-left:auto;font:inherit;font-size:.85rem;border:none;background:none;color:var(--ink-soft);cursor:pointer;padding:.3rem .5rem;border-radius:.5rem}#reset:hover{background:var(--paper);color:var(--ink)}#log{flex:1;overflow-y:auto;display:flex;flex-direction:column;gap:.75rem;padding:1rem .25rem}.msg{display:flex;gap:.5rem;align-items:flex-end;max-width:88%;animation:pop .25s ease-out}@keyframes pop{0%{opacity:0;transform:translateY(8px) scale(.97)}to{opacity:1;transform:none}}@keyframes rise{0%{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}.msg .avatar{font-size:1.5rem;line-height:1;flex:none;filter:drop-shadow(0 2px 3px rgba(43,58,85,.15))}.msg .bubble{padding:.7rem 1rem;border-radius:var(--radius);line-height:1.45;white-space:pre-wrap;overflow-wrap:anywhere}.msg.bot{align-self:flex-start}.msg.bot .bubble{background:var(--card);border:1px solid var(--line);border-bottom-left-radius:.3rem;box-shadow:var(--shadow)}.msg.kid{align-self:flex-end;flex-direction:row-reverse}.msg.kid .bubble{background:linear-gradient(135deg,var(--blue),var(--blue-dark));color:#fff;border-bottom-right-radius:.3rem;box-shadow:0 4px 12px #3b6fd459}.msg.error .bubble{background:#fff0ee;border-color:#f3b6ad;color:#a33d2e}.typing .bubble{display:flex;gap:.3rem;padding:.9rem 1rem}.typing .dot{width:.5rem;height:.5rem;border-radius:50%;background:var(--ink-soft);animation:bounce 1s infinite}.typing .dot:nth-child(2){animation-delay:.15s}.typing .dot:nth-child(3){animation-delay:.3s}@keyframes bounce{0%,60%,to{transform:translateY(0);opacity:.5}30%{transform:translateY(-5px);opacity:1}}#chips{display:flex;gap:.5rem;overflow-x:auto;padding:.25rem .1rem .6rem;scrollbar-width:none}#chips::-webkit-scrollbar{display:none}#chips button{font:inherit;font-size:.9rem;font-weight:600;white-space:nowrap;padding:.45rem .9rem;border-radius:2rem;border:2px solid var(--line);background:var(--card);color:var(--ink);cursor:pointer;transition:border-color .12s,transform .12s}#chips button:hover{border-color:var(--orange);transform:translateY(-2px)}#form{display:flex;gap:.5rem;background:var(--card);border:1px solid var(--line);border-radius:2rem;padding:.4rem;box-shadow:var(--shadow)}#input{flex:1;font:inherit;font-size:1.05rem;border:none;outline:none;background:none;padding:.5rem .8rem;color:var(--ink)}#input::placeholder{color:var(--ink-soft)}#send{font-size:1.2rem;width:3rem;height:3rem;flex:none;border:none;border-radius:50%;background:linear-gradient(135deg,var(--orange),#f26e1d);color:#fff;cursor:pointer;box-shadow:0 3px #d95f14;transition:transform .12s,box-shadow .12s,opacity .12s}#send:hover{transform:translateY(-2px);box-shadow:0 5px #d95f14}#send:active{transform:translateY(1px);box-shadow:0 1px #d95f14}#send:disabled{opacity:.5;transform:none;box-shadow:0 3px #d95f14;cursor:wait}@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}