:root{
  --bg:#f4f1ea;
  --surface:#ffffff;
  --ink:#2b2740;
  --ink-soft:#6c6880;
  --accent:#7c5cff;
  --accent-soft:#efe9ff;
  --ok:#1d9e75;
  --warn:#d8843a;
  --danger:#e24b4a;
  --radius:22px;
  --shadow:0 8px 30px rgba(60,40,120,.10);
  --bubble-tutor:#ffffff;
  --bubble-child:var(--accent);
  font-family:'Nunito',system-ui,sans-serif;
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{margin:0;height:100%}
body{
  background:
    radial-gradient(900px 520px at 50% -8%, rgba(255,222,190,.6), rgba(255,222,190,0) 60%),
    radial-gradient(1000px 720px at 50% 112%, rgba(168,148,255,.22), rgba(168,148,255,0) 55%),
    var(--bg);
  background-attachment:fixed;
  color:var(--ink);
  min-height:100%;
  overflow-x:hidden;
}
.screen{min-height:100dvh;display:flex;flex-direction:column}
.hidden{display:none !important}
h1,h2,h3{font-family:'Baloo 2',cursive;font-weight:700;line-height:1.15;margin:.2em 0}
.brand{color:var(--accent)}
.sub{color:var(--ink-soft);line-height:1.5}
.hint{font-weight:400;color:var(--ink-soft);font-size:.82em}
.privacy{font-size:.78rem;color:var(--ink-soft);margin-top:14px}
a{color:var(--accent)}

/* ---------- Onboarding ---------- */
#onboarding{align-items:center;justify-content:center;padding:24px}
.onb-card{
  background:var(--surface);border-radius:28px;box-shadow:var(--shadow);
  max-width:440px;width:100%;padding:28px 26px 24px;text-align:center;
}
.onb-mascot{width:150px;height:150px;margin:0 auto 2px}
.onb-card h1{font-size:1.7rem}
.onb-card .sub{margin:6px 0 18px;font-size:.98rem}
#onb-form{text-align:left;display:flex;flex-direction:column;gap:16px}
label{font-family:'Baloo 2';font-weight:600;font-size:.98rem;display:flex;flex-direction:column;gap:8px}
input[type=text]{
  font-family:'Nunito';font-size:1.05rem;padding:14px 16px;border:2px solid #ece8f5;
  border-radius:16px;background:#fbfaff;color:var(--ink);outline:none;transition:border-color .15s;
}
input[type=text]:focus{border-color:var(--accent)}
.age-row{display:flex;gap:8px;flex-wrap:wrap}
.age-pill{flex:1;min-width:42px;padding:10px 0;text-align:center;border:2px solid #ece8f5;border-radius:14px;
  background:#fbfaff;cursor:pointer;font-family:'Baloo 2';font-weight:600;color:var(--ink-soft);transition:.12s}
.age-pill.on{background:var(--accent);border-color:var(--accent);color:#fff}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chip{padding:9px 14px;border:2px solid #ece8f5;border-radius:999px;background:#fbfaff;cursor:pointer;
  font-family:'Nunito';font-weight:600;font-size:.9rem;color:var(--ink-soft);transition:.12s}
.chip.on{background:var(--accent-soft);border-color:var(--accent);color:var(--accent)}

button.primary{
  font-family:'Baloo 2';font-weight:700;font-size:1.05rem;color:#fff;background:var(--accent);
  border:none;border-radius:18px;padding:16px;cursor:pointer;box-shadow:0 6px 0 #5a3fd6;transition:.08s;
}
button.primary:active{transform:translateY(3px);box-shadow:0 3px 0 #5a3fd6}
button.primary.big{margin-top:4px}
.arrow{font-style:normal;margin-left:4px}

/* ---------- Topbar ---------- */
.topbar{display:flex;align-items:center;justify-content:space-between;padding:12px 16px;
  background:rgba(255,255,255,.7);backdrop-filter:blur(8px);position:sticky;top:0;z-index:5;border-bottom:1px solid #eee6f7}
.who{display:flex;align-items:center;gap:10px}
.mini-mascot{width:46px;height:46px}
.who-name{font-family:'Baloo 2';font-weight:700;font-size:1.1rem;line-height:1}
.who-sub{font-size:.82rem;color:var(--ink-soft)}
.ghost{background:#fff;border:2px solid #eee6f7;border-radius:14px;padding:8px 12px;font-family:'Baloo 2';
  font-weight:600;color:var(--ink-soft);cursor:pointer;font-size:.85rem}
.ghost:active{transform:scale(.97)}

/* ---------- Subjects ---------- */
.subjects{display:flex;gap:8px;overflow-x:auto;padding:12px 16px;scrollbar-width:none}
.subjects::-webkit-scrollbar{display:none}
.subj{flex:0 0 auto;display:flex;align-items:center;gap:6px;padding:8px 13px;border-radius:999px;
  border:2px solid #ece8f5;background:#fff;cursor:pointer;font-family:'Baloo 2';font-weight:600;
  font-size:.85rem;color:var(--ink-soft);white-space:nowrap;transition:.12s}
.subj .dot{width:12px;height:12px;border-radius:50%}
.subj.on{color:#fff}

/* ---------- Chat ---------- */
.chat{flex:1;overflow-y:auto;padding:14px 16px 18px;display:flex;flex-direction:column;gap:12px}
.msg{max-width:84%;padding:12px 15px;border-radius:20px;line-height:1.45;font-size:1.02rem;
  animation:pop .18s ease-out;white-space:pre-wrap;word-wrap:break-word}
@keyframes pop{from{opacity:0;transform:translateY(8px) scale(.98)}to{opacity:1;transform:none}}
.msg.tutor{background:var(--bubble-tutor);color:var(--ink);align-self:flex-start;border-bottom-left-radius:6px;box-shadow:var(--shadow)}
.msg.child{background:var(--bubble-child);color:#fff;align-self:flex-end;border-bottom-right-radius:6px}
.msg.tutor .typing{display:inline-block}
.dotty span{display:inline-block;width:7px;height:7px;margin:0 1px;border-radius:50%;background:var(--ink-soft);opacity:.5;animation:dotty 1s infinite}
.dotty span:nth-child(2){animation-delay:.15s}.dotty span:nth-child(3){animation-delay:.3s}
@keyframes dotty{0%,60%,100%{transform:translateY(0);opacity:.4}30%{transform:translateY(-5px);opacity:1}}

/* ---------- Palco de voz ---------- */
.stage{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:20px;padding:16px 22px 8px;text-align:center}
.big-mascot{width:240px;height:240px;transition:transform .2s}
.big-mascot.lg{transform:scale(1.03)}
.vstatus{display:inline-block;font-family:'Baloo 2';font-weight:600;font-size:1.05rem;color:var(--accent);
  background:#fff;border:1.5px solid #ece8f5;border-radius:999px;padding:8px 18px;box-shadow:0 3px 12px rgba(60,40,120,.06);transition:color .2s}
.vstatus.listen{color:var(--danger);border-color:#f3c4c4}
.caption{max-width:520px;min-height:2.2em;color:var(--ink);font-size:1.12rem;line-height:1.5;margin:0 auto}
.caption .you{display:block;color:var(--ink-soft);font-size:.86rem;font-style:italic;margin-bottom:8px}
.caption .you::before{content:'Você: ';font-weight:700;font-style:normal}

/* ---------- Barra de voz ---------- */
.voicebar{display:flex;align-items:center;justify-content:center;gap:26px;padding:8px 0 2px}
.vbtn{display:flex;flex-direction:column;align-items:center;gap:6px}
.vbtn span{font-family:'Baloo 2';font-weight:600;font-size:.74rem;color:var(--ink-soft)}
.talk-btn{position:relative;width:108px;height:108px;border-radius:50%;border:none;cursor:pointer;background:var(--accent);
  color:#fff;font-size:2.5rem;display:flex;align-items:center;justify-content:center;box-shadow:0 7px 0 #5a3fd6;transition:.08s}
.talk-btn::before{content:'';position:absolute;inset:-9px;border-radius:50%;border:3px solid var(--accent);
  opacity:.3;animation:halo 2.2s ease-out infinite;pointer-events:none}
.talk-btn.listening::before,.talk-btn.thinking::before{display:none}
@keyframes halo{0%{transform:scale(1);opacity:.35}100%{transform:scale(1.32);opacity:0}}
.talk-btn:active{transform:translateY(4px);box-shadow:0 3px 0 #5a3fd6}
.talk-btn.listening{background:var(--danger);box-shadow:0 7px 0 #b23a39;animation:pulse 1.1s infinite}
.talk-btn.thinking{background:#bdb6d8;box-shadow:0 7px 0 #9a93bb}
@keyframes pulse{0%,100%{transform:scale(1)}50%{transform:scale(1.06)}}
.vmini{width:60px;height:60px;border-radius:50%;border:2px solid #eee6f7;background:#fff;cursor:pointer;
  font-size:1.4rem;color:var(--ink-soft);display:flex;align-items:center;justify-content:center;box-shadow:0 3px 10px rgba(60,40,120,.05)}
.vmini:active{transform:scale(.95)}
.vauto{display:flex;align-items:center;justify-content:center;gap:8px;font-family:'Nunito';font-weight:600;
  font-size:.9rem;color:var(--ink-soft);padding:6px 0 18px}
.vauto input{width:20px;height:20px;accent-color:var(--accent)}

/* histórico (transcrição só-leitura) */
#chat[hidden]{display:none}
#app.show-history .stage{display:none}
#app.show-history #chat{display:flex}

/* ---------- Composer (fallback p/ navegador sem voz) ---------- */
.composer{display:flex;align-items:center;gap:8px;padding:10px 14px 16px;background:rgba(255,255,255,.8);
  backdrop-filter:blur(8px);border-top:1px solid #eee6f7;position:sticky;bottom:0}
.composer input{flex:1}
.send{width:50px;height:50px;flex:0 0 auto;border:none;border-radius:16px;cursor:pointer;font-size:1.3rem;
  display:flex;align-items:center;justify-content:center;background:var(--accent);color:#fff;box-shadow:0 4px 0 #5a3fd6}
.send:active{transform:translateY(2px);box-shadow:0 2px 0 #5a3fd6}

/* ---------- Modal ---------- */
.modal{position:fixed;inset:0;background:rgba(43,39,64,.45);display:flex;align-items:flex-end;justify-content:center;z-index:20}
@media(min-width:620px){.modal{align-items:center}}
.modal-card{background:var(--surface);border-radius:26px 26px 0 0;max-width:520px;width:100%;padding:24px 22px 28px;
  max-height:90dvh;overflow-y:auto;position:relative;animation:slideup .22s ease-out}
@media(min-width:620px){.modal-card{border-radius:26px}}
@keyframes slideup{from{transform:translateY(40px);opacity:.6}to{transform:none;opacity:1}}
.modal-close{position:absolute;top:16px;right:16px;background:#f1eef8;border:none;width:36px;height:36px;border-radius:50%;
  cursor:pointer;font-size:1rem;color:var(--ink-soft)}
.stat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin:16px 0 8px}
.stat{background:#faf8ff;border-radius:16px;padding:14px 10px;text-align:center}
.stat .v{font-family:'Baloo 2';font-weight:700;font-size:1.5rem;color:var(--accent)}
.stat .l{font-size:.74rem;color:var(--ink-soft);margin-top:2px}
.topics{list-style:none;padding:0;margin:8px 0 16px;display:flex;flex-direction:column;gap:8px}
.topics li{background:#faf8ff;border-radius:12px;padding:10px 14px;font-size:.92rem;display:flex;gap:8px;align-items:center}
.topics li .when{margin-left:auto;font-size:.74rem;color:var(--ink-soft)}
.topics .empty{color:var(--ink-soft);font-style:italic;background:transparent}
.cost-box{display:flex;justify-content:space-between;align-items:center;gap:12px;background:#f1fbf6;
  border:1px solid #d6f0e4;border-radius:16px;padding:14px 16px;margin-bottom:14px}
.cost-label{font-size:.78rem;color:var(--ink-soft)}
.cost-val{font-family:'Baloo 2';font-weight:700;font-size:1.5rem;color:var(--ok)}
.cost-models{font-size:.72rem;color:var(--ink-soft);text-align:right;line-height:1.5}
.parent-actions{display:flex;gap:10px}
button.danger{background:#fff;border:2px solid #f3c4c4;color:var(--danger);border-radius:14px;padding:10px 14px;
  font-family:'Baloo 2';font-weight:600;cursor:pointer;font-size:.88rem}

/* ---------- acessibilidade ---------- */
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);border:0}
*:focus-visible{outline:3px solid #2b2740;outline-offset:2px;border-radius:6px}
.age-pill,.chip,.subj{-webkit-appearance:none;appearance:none}
.chip.on::after,.subj.on::after{content:'✓';margin-left:6px;font-weight:700}
/* safe-area (notch / barra inferior) */
.topbar{padding-top:calc(12px + env(safe-area-inset-top))}
.vrow2{padding-bottom:calc(8px + env(safe-area-inset-bottom))}
.composer{padding-bottom:calc(16px + env(safe-area-inset-bottom))}

/* ---------- consentimento / privacidade ---------- */
.consent{flex-direction:row;align-items:flex-start;gap:10px;font-family:'Nunito';font-weight:400;font-size:.92rem;color:var(--ink-soft)}
.consent input{width:22px;height:22px;flex:0 0 auto;margin-top:2px;accent-color:var(--accent)}
.consent span{line-height:1.45}
.warn{color:var(--danger);font-weight:600;font-size:.88rem;margin:-6px 0 0}
.priv-list{list-style:none;padding:0;margin:10px 0;display:flex;flex-direction:column;gap:12px}
.priv-list li{background:#faf8ff;border-radius:14px;padding:12px 14px;font-size:.95rem;line-height:1.45}

/* ---------- controles de voz extras ---------- */
.vrow2{display:flex;align-items:center;justify-content:center;gap:14px;padding:4px 0 16px;flex-wrap:wrap}
.toggle{font-family:'Baloo 2';font-weight:600;font-size:.9rem;border:2px solid #ece8f5;background:#fff;color:var(--ink-soft);
  border-radius:999px;padding:9px 16px;cursor:pointer}
.toggle.on{background:var(--accent-soft);border-color:var(--accent);color:var(--accent)}
.toggle:active{transform:scale(.97)}
.linkbtn{background:none;border:none;color:var(--accent);font-family:'Baloo 2';font-weight:600;font-size:.9rem;
  cursor:pointer;padding:9px 10px;border-radius:10px}
.linkbtn.pulse{animation:pulse 1.4s infinite}
.demo-badge{font-family:'Nunito';font-weight:700;font-size:.62rem;text-transform:uppercase;letter-spacing:.04em;
  color:var(--warn);background:#fbeede;border-radius:8px;padding:2px 7px;vertical-align:middle}
.demo-badge.hidden{display:none}
#parent-btn.alert{position:relative;border-color:var(--danger)}
#parent-btn.alert::after{content:'';position:absolute;top:-4px;right:-4px;width:12px;height:12px;border-radius:50%;
  background:var(--danger);border:2px solid #fff}

/* ---------- balão de crise + área de bem-estar ---------- */
.msg.tutor.crisis{background:#fff4f1;border:2px solid #f3c4c4}
.alert-box{background:#fff4f1;border:1px solid #f3c4c4;border-radius:16px;padding:14px 16px;margin:14px 0 4px}
.alert-box strong{color:var(--danger)}
.alert-box p{font-size:.92rem;color:var(--ink);margin:6px 0 8px;line-height:1.45}
.alert-item{font-size:.85rem;color:var(--ink-soft);background:#fff;border-radius:10px;padding:7px 10px;margin-top:6px}
.cost-models{font-size:.8rem}

/* ---------- app-shell: pill de matéria, dock, bottom-sheet, animações lentas ---------- */
.subject-pill{display:flex;align-items:center;gap:8px;border:1.5px solid #ece8f5;background:#fff;border-radius:999px;
  padding:8px 14px;font-family:'Baloo 2';font-weight:600;font-size:.92rem;color:var(--ink);cursor:pointer;
  box-shadow:0 3px 12px rgba(60,40,120,.05)}
.subject-pill .dot{width:12px;height:12px;border-radius:50%;background:var(--accent)}
.subject-pill .caret{color:var(--ink-soft);font-size:1.05rem;line-height:1}
.subject-pill:active{transform:scale(.97)}

.dock{padding:6px 14px 2px;background:linear-gradient(to top, var(--bg) 30%, rgba(244,241,234,0))}

/* bottom-sheet de matérias */
.sheet{position:fixed;inset:0;z-index:25;display:flex;align-items:flex-end;justify-content:center;
  background:rgba(43,39,64,0);transition:background .3s ease}
.sheet.open{background:rgba(43,39,64,.4)}
.sheet-card{background:var(--surface);width:100%;max-width:520px;border-radius:26px 26px 0 0;padding:10px 20px calc(28px + env(safe-area-inset-bottom));
  transform:translateY(100%);transition:transform .34s cubic-bezier(.22,1,.36,1)}
.sheet.open .sheet-card{transform:translateY(0)}
.sheet-card h3{text-align:center;margin:6px 0 14px}
.sheet-handle{width:44px;height:5px;border-radius:3px;background:#e4dff2;margin:2px auto 6px}
.sheet .subjects{flex-wrap:wrap;overflow:visible;justify-content:center;padding:0}

/* fundo vivo (degradê que respira devagar) */
body::before{content:'';position:fixed;inset:-25%;z-index:-1;pointer-events:none;
  background:radial-gradient(45% 38% at 50% 32%, rgba(255,214,170,.35), rgba(255,214,170,0) 70%);
  animation:bgdrift 20s ease-in-out infinite}
@keyframes bgdrift{0%,100%{transform:translate(-3%,-2%) scale(1)}50%{transform:translate(3%,3%) scale(1.12)}}

/* transições suaves */
.screen{animation:screenIn .55s ease both}
@keyframes screenIn{from{opacity:0}to{opacity:1}}
.caption{animation:fadeUp .45s ease}
@keyframes fadeUp{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
@media (prefers-reduced-motion: reduce){body::before,.screen,.caption{animation:none}}