:root{
  --bg:#F5F1E8; --surface:#FFFFFF; --surface-2:#FBF8F2; --ink:#2A2833; --ink-2:#5E5A6B; --ink-3:#8F8A9C; --line:#E7E0D3;
  --teal:#3E9E92; --teal-d:#2C7D72; --teal-l:#DDF1ED; --sun:#F2B33D; --sun-l:#FDF0D3; --coral:#E9785F; --coral-l:#FBE3DC; --lav:#8C7FD1; --lav-l:#ECE9FA;
  --radius:18px; --radius-s:12px; --shadow:0 6px 24px rgba(42,40,51,.07); --shadow-l:0 18px 50px rgba(42,40,51,.12);
  color-scheme: light;
}
*{box-sizing:border-box}
html,body{margin:0;min-height:100%}
body{font-family:'Nunito',system-ui,-apple-system,sans-serif;background:var(--bg);color:var(--ink);-webkit-font-smoothing:antialiased;font-size:16px;line-height:1.45}
h1,h2,h3{margin:0 0 .4em;line-height:1.15;font-weight:800;letter-spacing:-.01em}
h1{font-size:clamp(1.6rem,4vw,2.3rem)} h2{font-size:1.35rem} h3{font-size:1.05rem}
p{margin:.2em 0}
button{font:inherit;cursor:pointer;color:inherit}
input,select,textarea{font:inherit;color:inherit}
.hidden{display:none!important}
.muted{color:var(--ink-2)} .small,small{font-size:.86rem}
.center{text-align:center;justify-content:center;align-items:center}
.row{display:flex;align-items:center;flex-wrap:wrap} .gap{gap:12px}
.row-between{display:flex;justify-content:space-between;align-items:center;gap:16px}
.stack{display:flex;flex-direction:column;gap:14px}

.view{display:none;min-height:100dvh}
.view.active{display:block}

.topbar{display:flex;align-items:center;justify-content:space-between;padding:14px 20px;gap:12px}
.brand{display:flex;align-items:center;gap:10px;font-weight:900;font-size:1.15rem}
.brand-dot{width:14px;height:14px;border-radius:50%;background:var(--teal);box-shadow:0 0 0 4px var(--teal-l)}

.narrow{max-width:720px;margin:0 auto;padding:8px 16px 48px}
.wide{max-width:1100px;margin:0 auto;padding:12px 16px 60px}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow)}

/* buttons */
.btn{border:0;border-radius:999px;padding:11px 20px;font-weight:800;transition:transform .12s ease, background .2s;display:inline-flex;align-items:center;gap:8px;justify-content:center}
.btn:active{transform:scale(.97)}
.btn.primary{background:var(--teal);color:#fff}
.btn.primary:hover{background:var(--teal-d)}
.btn.secondary{background:var(--teal-l);color:var(--teal-d)}
.btn.ghost{background:transparent;border:1px solid var(--line)}
.btn.danger{background:var(--coral-l);color:#A8432C}
.btn.small{padding:7px 14px;font-size:.9rem}
.btn.big{padding:15px 30px;font-size:1.1rem}
.btn:disabled{opacity:.5;cursor:not-allowed}

/* home */
.home-main{max-width:960px;margin:0 auto;padding:10px 20px 60px}
.home-hero{display:flex;align-items:center;gap:18px;margin:18px 0 26px}
.mini-lumo{width:88px;height:88px;flex:none}
.child-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(210px,1fr));gap:16px}
.child-card{background:var(--surface);border:2px solid var(--line);border-radius:22px;padding:22px 18px;text-align:left;display:flex;flex-direction:column;gap:6px;transition:border-color .2s, transform .15s}
.child-card:hover{border-color:var(--teal);transform:translateY(-2px)}
.child-avatar{width:54px;height:54px;border-radius:50%;display:grid;place-items:center;font-size:1.6rem;font-weight:900;color:#fff;margin-bottom:6px}
.child-name{font-size:1.25rem;font-weight:900}
.empty{padding:32px;text-align:center;border:2px dashed var(--line);border-radius:22px;color:var(--ink-2)}

/* topics */
.topic-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(130px,1fr));gap:12px;margin:10px 0 22px}
.topic-btn{background:var(--surface);border:2px solid var(--line);border-radius:18px;padding:16px 10px;display:flex;flex-direction:column;align-items:center;gap:6px;font-weight:800}
.topic-btn .e{font-size:2.2rem}
.topic-btn.sel{border-color:var(--teal);background:var(--teal-l)}
.status-line{font-size:.9rem;padding:8px 12px;background:var(--surface-2);border-radius:10px}

/* form controls */
select,input[type=text],input[type=number],input[type=password],input:not([type]),textarea{background:var(--surface-2);border:1px solid var(--line);border-radius:10px;padding:9px 12px;width:100%}
textarea{min-height:80px;resize:vertical}
select{width:auto;min-width:160px}
.field{display:flex;flex-direction:column;gap:6px}
.field>span{font-weight:700;font-size:.92rem}
.grid2{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:14px}
.switch{appearance:none;width:48px;height:28px;border-radius:999px;background:#D8D2C6;position:relative;flex:none;cursor:pointer;transition:background .2s}
.switch::after{content:"";position:absolute;top:3px;left:3px;width:22px;height:22px;border-radius:50%;background:#fff;transition:transform .2s;box-shadow:0 1px 3px rgba(0,0,0,.2)}
.switch:checked{background:var(--teal)} .switch:checked::after{transform:translateX(20px)}
.check{display:flex;align-items:center;gap:10px;padding:8px 0}
.check input{width:20px;height:20px;accent-color:var(--teal)}
input[type=range]{accent-color:var(--teal);width:100%}

/* tabs */
.tabs{display:flex;gap:6px;padding:0 16px;max-width:1100px;margin:0 auto;overflow-x:auto}
.tabs button{border:0;background:transparent;padding:10px 16px;border-radius:999px;font-weight:800;color:var(--ink-2);white-space:nowrap}
.tabs button.active{background:var(--ink);color:#fff}
.section-title{display:flex;justify-content:space-between;align-items:center;margin:22px 0 10px;gap:10px;flex-wrap:wrap}
.list{display:flex;flex-direction:column;gap:10px}
.list-item{display:flex;justify-content:space-between;align-items:center;gap:12px;background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:12px 16px}
.pill{display:inline-block;padding:3px 10px;border-radius:999px;font-size:.8rem;font-weight:800;background:var(--teal-l);color:var(--teal-d)}
.pill.sun{background:var(--sun-l);color:#94650B}.pill.coral{background:var(--coral-l);color:#A8432C}.pill.lav{background:var(--lav-l);color:#5A4DA8}
.pin-input{font-size:1.6rem;text-align:center;letter-spacing:.4em;max-width:220px;margin:0 auto}
.note{background:var(--sun-l);border-radius:12px;padding:12px 14px;font-size:.9rem;color:#6E5212}
.note.info{background:var(--teal-l);color:var(--teal-d)}

/* report */
.kpis{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:12px;margin:12px 0}
.kpi{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:14px 16px}
.kpi .v{font-size:1.7rem;font-weight:900;line-height:1.1}
.kpi .l{font-size:.82rem;color:var(--ink-2);font-weight:700}
.chart-box{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:14px;height:280px;position:relative}
.charts{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:14px}
table.t{width:100%;border-collapse:collapse;font-size:.88rem;background:var(--surface);border-radius:14px;overflow:hidden}
table.t th,table.t td{padding:8px 10px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
table.t th{background:var(--surface-2);font-weight:800;color:var(--ink-2)}
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:14px}
.transcript{display:flex;flex-direction:column;gap:6px;max-height:340px;overflow:auto;padding:10px;background:var(--surface-2);border-radius:12px}
.transcript .l{padding:6px 10px;border-radius:10px;max-width:85%}
.transcript .a{background:var(--teal-l);align-self:flex-start}
.transcript .c{background:var(--lav-l);align-self:flex-end}
.transcript .p{background:var(--sun-l);align-self:flex-start;font-style:italic;font-size:.88rem}
canvas.heat{width:100%;max-width:480px;aspect-ratio:16/10;border-radius:12px;background:var(--surface-2);border:1px solid var(--line)}

/* calibrazione */
.calib{background:#FBF8F2;position:relative;overflow:hidden;cursor:none}
.calib-msg{position:absolute;top:24px;left:0;right:0;text-align:center;font-weight:900;font-size:1.3rem;color:var(--ink-2)}
.calib-dot{position:absolute;width:64px;height:64px;transform:translate(-50%,-50%);transition:left .5s ease, top .5s ease}
.calib-dot svg{width:100%;height:100%;animation:twinkle 1s ease-in-out infinite}
.calib-dot.collect svg{animation:shrink 1.1s ease-in forwards}
@keyframes twinkle{50%{transform:scale(1.15) rotate(8deg)}}
@keyframes shrink{to{transform:scale(.55)}}
.calib-result{position:absolute;inset:0;display:grid;place-items:center;padding:16px;cursor:auto}
.gaze-dot{position:fixed;width:22px;height:22px;border-radius:50%;background:rgba(80,120,240,.55);border:2px solid #fff;box-shadow:0 0 0 2px rgba(80,120,240,.4);transform:translate(-50%,-50%);pointer-events:none;z-index:60;transition:left .08s linear, top .08s linear}

/* sessione */
.session{background:radial-gradient(1200px 700px at 40% 40%, #FFFDF7 0%, var(--bg) 70%);overflow:hidden;position:relative}
.stage{position:relative;height:100dvh;display:flex;align-items:center;justify-content:center;gap:4vw;padding:20px}
.avatar-wrap{width:min(56vw,62vh);max-width:560px;flex:none}
#lumo{width:100%;height:auto;display:block;overflow:visible}
.topic-card{background:var(--surface);border-radius:28px;padding:22px 26px;box-shadow:var(--shadow-l);display:flex;flex-direction:column;align-items:center;gap:6px;min-width:150px;border:3px solid transparent;transition:border-color .3s}
.topic-card.attn{border-color:var(--sun)}
.topic-emoji{font-size:clamp(3rem,9vw,5.5rem);line-height:1}
.topic-title{font-weight:900;font-size:1.2rem}
@media (max-aspect-ratio: 1/1){
  .stage{flex-direction:column;gap:18px}
  .avatar-wrap{width:min(82vw,52vh)}
  .topic-card{flex-direction:row;padding:12px 20px}
  .topic-emoji{font-size:2.8rem}
}
.prompt-card{position:absolute;left:50%;bottom:92px;transform:translateX(-50%);background:var(--surface);border:3px solid var(--sun);border-radius:20px;padding:12px 22px;font-size:1.35rem;font-weight:800;box-shadow:var(--shadow-l);max-width:min(90vw,640px);text-align:center;animation:pop .25s ease}
@keyframes pop{from{transform:translate(-50%,10px);opacity:0}}
.mic-dot{position:absolute;top:16px;right:16px;width:14px;height:14px;border-radius:50%;background:#D8D2C6;transition:background .2s, box-shadow .2s}
.mic-dot.on{background:#7CCBBE;box-shadow:0 0 0 5px rgba(124,203,190,.25)}
.mic-dot.speech{background:var(--lav);box-shadow:0 0 0 7px rgba(140,127,209,.25)}
.fallback-form{position:absolute;bottom:90px;left:50%;transform:translateX(-50%);display:flex;gap:8px;width:min(92vw,640px)}
.adult-bar{position:fixed;bottom:14px;right:14px;display:flex;gap:6px;background:rgba(255,255,255,.75);backdrop-filter:blur(8px);border:1px solid var(--line);border-radius:999px;padding:6px;opacity:.45;transition:opacity .2s;z-index:50}
.adult-bar:hover,.adult-bar:focus-within{opacity:1}
.adult-bar button{border:0;background:transparent;width:42px;height:42px;border-radius:50%;font-size:1.15rem}
.adult-bar button:hover{background:var(--surface-2)}
.debug-panel{position:fixed;top:12px;left:12px;background:rgba(42,40,51,.86);color:#fff;font-size:.8rem;padding:12px 14px;border-radius:14px;z-index:55;min-width:220px;font-variant-numeric:tabular-nums;line-height:1.55}
.debug-panel b{color:#9FE3D7}
.meter{height:6px;background:rgba(255,255,255,.18);border-radius:4px;overflow:hidden;margin-top:2px}
.meter>i{display:block;height:100%;background:var(--sun)}
.pause-veil{position:fixed;inset:0;background:rgba(245,241,232,.82);backdrop-filter:blur(6px);display:grid;place-items:center;z-index:70}
.cam-preview{position:fixed;bottom:76px;right:14px;width:160px;border-radius:12px;transform:scaleX(-1);z-index:56;box-shadow:var(--shadow)}
.toast{position:fixed;left:50%;bottom:24px;transform:translateX(-50%);background:var(--ink);color:#fff;padding:12px 18px;border-radius:14px;z-index:100;font-weight:700;max-width:90vw;box-shadow:var(--shadow-l)}

/* ===== avatar animazioni ===== */
#lumo *{transform-box:fill-box}
#lumo-root{transform-origin:200px 400px;transform-box:view-box;transition:transform .6s ease}
#lumo-body{animation:breathe 4.2s ease-in-out infinite;transform-origin:center bottom}
@keyframes breathe{50%{transform:translateY(-5px) scaleY(1.01)}}
#pupil-l,#pupil-r{transition:transform .12s linear}
#lid-l,#lid-r{transition:transform .14s ease}
#brow-l,#brow-r{transition:transform .35s ease;transform-origin:center}
#cheek-l,#cheek-r{transition:opacity .4s}
#mouth{transition:d .25s ease}
#mouth-talk,#mouth-o{display:none;transform-origin:center}
.talking #mouth{display:none}
.talking #mouth-talk{display:block;animation:talk .17s ease-in-out infinite alternate}
.talking.syll #mouth-talk{animation-duration:.11s}
.talking.lipsync #mouth-talk{animation:none}
@keyframes talk{from{transform:scaleY(.25)}to{transform:scaleY(1)}}
.yawn #mouth,.yawn #mouth-talk,.surprised #mouth{display:none}
.yawn #mouth-o,.surprised #mouth-o{display:block}
.yawn #mouth-o{animation:yawn 2.4s ease-in-out}
@keyframes yawn{0%{transform:scale(.4)}30%,70%{transform:scale(1.25,1.35)}100%{transform:scale(.4)}}
#arm-l,#arm-r{transition:transform .5s cubic-bezier(.3,1.4,.5,1)}
#arm-r{transform-box:view-box;transform-origin:306px 265px}
#arm-l{transform-box:view-box;transform-origin:94px 265px}
.gesture #arm-r{transform:rotate(-68deg)}
.gesture #arm-l{transform:rotate(-10deg)}
#antenna-light{transition:fill .3s}
.gesture #antenna-light{fill:#FFC93C;filter:url(#glow);animation:blinkl .7s ease-in-out infinite alternate}
@keyframes blinkl{to{opacity:.55}}
.happy #lumo-body{animation:hop .5s ease 2, breathe 4.2s ease-in-out .9s infinite}
@keyframes hop{50%{transform:translateY(-22px)}}
.bored2 #arm-l,.bored3 #arm-l{transform:rotate(22deg)}
.bored2 #arm-r,.bored3 #arm-r{transform:rotate(-14deg)}
.yawn #arm-l{transform:rotate(60deg)}.yawn #arm-r{transform:rotate(-60deg)}
@media (prefers-reduced-motion: reduce){
  #lumo-body{animation:none}.happy #lumo-body{animation:none}
  .calib-dot svg{animation:none}
}