:root{
    --purple-900:#241a4d; --purple-700:#4c33a8; --purple-600:#6b46e0; --purple-500:#7c5cff;
    --purple-100:#efe9ff; --lav-bg:#f8f6ff; --pink:#ef5da8; --ink:#1f1b3a; --ink-soft:#5c5776;
    --green:#3fb27f; --orange:#f2994a; --red:#d0475c; --white:#ffffff;
    --shadow-soft:0 20px 45px -20px rgba(76,51,168,.28);
  }
  *{box-sizing:border-box;}
  html{scroll-behavior:smooth;}
  body{margin:0;font-family:'Inter',sans-serif;color:var(--ink);background:#fff;-webkit-font-smoothing:antialiased;}
  h1,h2,h3,.display{font-family:'Fredoka',sans-serif;}
  a{text-decoration:none;color:inherit;}
  img,svg{display:block;}
  .wrap{max-width:1280px;margin:0 auto;padding:0 32px;}
  .heart{color:var(--pink);}
  button{font-family:inherit;}

  header.site{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.9);backdrop-filter:blur(10px);border-bottom:1px solid #eee6ff;}
  .nav{display:flex;align-items:center;justify-content:space-between;padding:16px 32px;max-width:1280px;margin:0 auto;}
  .brand{display:flex;align-items:center;gap:10px;font-family:'Fredoka';font-weight:600;font-size:19px;color:var(--purple-700);cursor:pointer;}
  .brand .logo{width:38px;height:38px;border-radius:11px;background:var(--purple-100);display:flex;align-items:center;justify-content:center;border:1.5px solid var(--purple-500);color:var(--purple-600);font-size:18px;}
  nav.links{display:flex;gap:30px;font-size:15px;font-weight:500;color:var(--ink);}
  nav.links a:hover{color:var(--purple-600);}
  .cta-btn{background:var(--purple-600);color:#fff;padding:12px 22px;border-radius:12px;font-weight:600;font-size:14.5px;border:none;cursor:pointer;transition:.2s;box-shadow:0 10px 24px -8px rgba(107,70,224,.55);}
  .cta-btn:hover{background:var(--purple-700);transform:translateY(-1px);}
  .cta-btn.small{padding:9px 16px;font-size:13px;box-shadow:none;}
  .cta-ghost{background:#fff;color:var(--purple-700);padding:12px 22px;border-radius:12px;font-weight:600;font-size:14.5px;border:1.5px solid var(--purple-100);cursor:pointer;}
  .cta-ghost.small{padding:9px 16px;font-size:13px;}
  @media(max-width:900px){nav.links{display:none;}}

  .hero{background:linear-gradient(180deg,#fbf7ff 0%,#f4eeff 60%,#fff 100%);padding:70px 0 40px;}
  .hero-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;align-items:center;}
  .eyebrow-stars{color:var(--purple-600);font-size:13px;font-weight:700;letter-spacing:.04em;}
  .hero h1{font-size:47px;line-height:1.12;margin:8px 0 18px;color:var(--purple-900);}
  .hero h1 .accent{color:var(--purple-600);}
  .hero p.lead{font-size:17px;color:var(--ink-soft);max-width:480px;line-height:1.6;margin-bottom:26px;}
  .hero-ctas{display:flex;gap:14px;margin-bottom:30px;flex-wrap:wrap;}
  .trust-row{display:flex;gap:34px;flex-wrap:wrap;font-size:13.5px;color:var(--ink-soft);}
  .trust-row strong{display:block;color:var(--ink);font-size:14.5px;}
  .stars{color:#f6b93b;letter-spacing:2px;}
  .hero-visual{position:relative;display:flex;justify-content:center;align-items:center;min-height:420px;}
  .hero-showcase{
    width:290px;height:290px;border-radius:50%;
    background:radial-gradient(circle at 35% 30%,#efe9ff,#c9b8ff 70%,#a893ff);
    box-shadow:var(--shadow-soft);display:flex;align-items:center;justify-content:center;
    position:relative;overflow:hidden;border:6px solid #fff;
  }
  .hero-showcase-inner{width:82%;height:82%;border-radius:50%;overflow:hidden;background:#fff;}
  .hero-bubble{
    position:absolute;bottom:14px;left:50%;transform:translateX(-50%);
    background:#fff;padding:8px 16px;border-radius:20px;box-shadow:var(--shadow-soft);
    font-size:12.5px;font-weight:600;color:var(--purple-700);white-space:nowrap;
  }
  .phone-side-badge{position:absolute;background:#fff;padding:10px 14px;border-radius:14px;box-shadow:var(--shadow-soft);font-size:12.5px;font-weight:600;color:var(--purple-700);display:flex;gap:8px;align-items:center;}
  .phone-side-badge span.dot{width:8px;height:8px;background:var(--green);border-radius:50%;}
  .badge-1{top:20px;right:-6px;} .badge-2{bottom:56px;left:-24px;}
  .side-features{max-width:760px;margin:10px auto 0;display:grid;grid-template-columns:1fr 1fr;gap:0 40px;}
  .feat-row{display:flex;gap:12px;margin-bottom:16px;align-items:flex-start;}
  .feat-icon{width:36px;height:36px;border-radius:10px;background:var(--purple-100);display:flex;align-items:center;justify-content:center;flex-shrink:0;font-size:16px;}
  .feat-row b{display:block;font-size:14px;margin-bottom:2px;} .feat-row span{font-size:13px;color:var(--ink-soft);}

  section.evolution{background:var(--lav-bg);padding:70px 0;}
  .evolution h2{text-align:center;font-size:30px;color:var(--purple-900);margin-bottom:6px;}
  .evolution .sub{text-align:center;color:var(--ink-soft);font-size:15px;margin-bottom:8px;}
  .divider{width:70px;height:3px;background:var(--purple-500);margin:14px auto 40px;border-radius:2px;}
  .age-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
  .age-card{background:#fff;border-radius:20px;padding:24px 20px;border:1px solid #eee6ff;box-shadow:0 12px 30px -18px rgba(76,51,168,.2);display:flex;flex-direction:column;}
  .age-head{display:flex;align-items:center;gap:12px;margin-bottom:14px;}
  .age-emoji{width:44px;height:44px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:20px;}
  .age-card:nth-child(1) .age-emoji{background:#efe9ff;} .age-card:nth-child(2) .age-emoji{background:#fff1e2;}
  .age-card:nth-child(3) .age-emoji{background:#e9f8ef;} .age-card:nth-child(4) .age-emoji{background:#fdeef6;}
  .age-card h3{font-size:16px;margin:0 0 4px;}
  .tag{display:inline-block;font-size:11px;font-weight:700;padding:3px 9px;border-radius:20px;}
  .age-card:nth-child(1) .tag{background:var(--purple-100);color:var(--purple-700);} .age-card:nth-child(2) .tag{background:#fff1e2;color:var(--orange);}
  .age-card:nth-child(3) .tag{background:#e9f8ef;color:var(--green);} .age-card:nth-child(4) .tag{background:#fdeef6;color:var(--pink);}
  .age-card ul{list-style:none;padding:0;margin:0 0 16px;font-size:13.5px;color:var(--ink-soft);}
  .age-card ul li{display:flex;gap:8px;margin-bottom:9px;line-height:1.4;} .age-card ul li::before{content:"✓";color:var(--green);font-weight:700;}
  .algo-box{margin-top:auto;background:var(--lav-bg);border-radius:12px;padding:12px 14px;font-size:12.5px;color:var(--ink-soft);} .algo-box b{color:var(--ink);}
  @media(max-width:1050px){.age-grid{grid-template-columns:repeat(2,1fr);}}
  @media(max-width:600px){.age-grid{grid-template-columns:1fr;}.hero-grid{grid-template-columns:1fr;}.hero h1{font-size:34px;}}
  .type-grid{grid-template-columns:1fr;}
  @media(min-width:600px){.type-grid{grid-template-columns:repeat(2,1fr);}}
  @media(min-width:1000px){.type-grid{grid-template-columns:repeat(4,1fr);}}
  .mini-feats{max-width:1280px;margin:0 auto;padding:36px 32px 60px;display:grid;grid-template-columns:repeat(5,1fr);gap:18px;border-top:1px solid #eee6ff;}
  .mini-feat{display:flex;gap:10px;align-items:flex-start;} .mini-feat .ic{width:34px;height:34px;border-radius:10px;background:var(--purple-100);display:flex;align-items:center;justify-content:center;font-size:15px;flex-shrink:0;}
  .mini-feat b{display:block;font-size:13.5px;} .mini-feat span{font-size:12px;color:var(--ink-soft);}
  @media(max-width:1050px){.mini-feats{grid-template-columns:repeat(2,1fr);}}

  #app-shell{display:none;background:var(--lav-bg);min-height:100vh;}
  .app-topbar{background:#fff;border-bottom:1px solid #eee6ff;padding:14px 28px;display:flex;justify-content:space-between;align-items:center;position:relative;z-index:40;}
  .app-topbar .right-group{display:flex;align-items:center;gap:16px;}
  .app-topbar .who{font-size:13px;color:var(--ink-soft);} .app-topbar .who b{color:var(--ink);}
  .bell-wrap{position:relative;}
  .bell-btn{background:var(--lav-bg);border:1px solid #eee6ff;width:38px;height:38px;border-radius:10px;cursor:pointer;font-size:16px;position:relative;}
  .bell-dot{position:absolute;top:-4px;right:-4px;background:var(--red);color:#fff;font-size:10px;font-weight:700;border-radius:20px;min-width:16px;height:16px;display:flex;align-items:center;justify-content:center;padding:0 3px;}
  .bell-panel{display:none;position:absolute;right:0;top:48px;width:300px;background:#fff;border:1px solid #eee6ff;border-radius:14px;box-shadow:var(--shadow-soft);padding:10px;max-height:360px;overflow-y:auto;}
  .bell-panel.open{display:block;}
  .bell-item{padding:10px 12px;border-radius:10px;font-size:12.5px;cursor:pointer;}
  .bell-item:hover{background:var(--lav-bg);}
  .bell-item b{display:block;font-size:12.5px;margin-bottom:2px;}
  .bell-item .t{font-size:11px;color:var(--ink-soft);}
  .bell-empty{padding:16px;text-align:center;font-size:12.5px;color:var(--ink-soft);font-style:italic;}

  .app-layout{display:grid;grid-template-columns:220px 1fr;max-width:1280px;margin:0 auto;min-height:calc(100vh - 65px);}
  .app-sidebar{padding:26px 16px;border-right:1px solid #eee6ff;background:#fff;}
  .app-sidebar .item{display:flex;align-items:center;gap:10px;padding:11px 14px;border-radius:10px;font-size:14px;font-weight:600;color:var(--ink-soft);cursor:pointer;margin-bottom:4px;}
  .app-sidebar .item:hover{background:var(--lav-bg);}
  .app-sidebar .item.active{background:var(--purple-100);color:var(--purple-700);}
  .app-content{padding:30px 34px;}
  .app-content h2{font-size:24px;color:var(--purple-900);margin:0 0 4px;}
  .app-content p.sub-h{color:var(--ink-soft);font-size:14px;margin:0 0 24px;}
  .app-view{display:none;} .app-view.active{display:block;}

  .card{background:#fff;border:1px solid #eee6ff;border-radius:18px;padding:22px;box-shadow:0 10px 26px -20px rgba(76,51,168,.25);}
  .card + .card{margin-top:18px;}
  .grid2{display:grid;grid-template-columns:1fr 1fr;gap:18px;}
  @media(max-width:900px){.grid2{grid-template-columns:1fr;} .app-layout{grid-template-columns:1fr;} .app-sidebar{display:flex;overflow-x:auto;gap:6px;border-right:none;border-bottom:1px solid #eee6ff;} .app-sidebar .item{white-space:nowrap;}}

  .note{font-size:12.5px;color:var(--ink-soft);background:var(--lav-bg);padding:10px 14px;border-radius:10px;margin-top:12px;}

  .field{display:flex;flex-direction:column;gap:6px;margin-bottom:16px;}
  .field label{font-size:13px;font-weight:600;color:var(--ink);}
  .field input[type=text],.field input[type=number],.field input[type=email],.field select,.field textarea{
    padding:11px 13px;border-radius:10px;border:1.5px solid #eae4ff;font-size:14px;font-family:inherit;outline:none;transition:.15s;width:100%;
  }
  .field input:focus,.field select:focus,.field textarea:focus{border-color:var(--purple-500);}
  .field small{color:var(--ink-soft);font-size:11.5px;}
  .radio-row{display:flex;gap:10px;flex-wrap:wrap;}
  .radio-chip{padding:9px 15px;border-radius:20px;border:1.5px solid #eae4ff;font-size:13px;cursor:pointer;background:#fff;}
  .radio-chip.active{background:var(--purple-600);border-color:var(--purple-600);color:#fff;}
  .chip-group{display:flex;flex-wrap:wrap;gap:8px;}
  .chip{padding:8px 14px;border-radius:20px;border:1.5px solid #eae4ff;font-size:13px;cursor:pointer;user-select:none;transition:.15s;background:#fff;}
  .chip.active{background:var(--purple-600);border-color:var(--purple-600);color:#fff;}
  .age-slider-row{display:flex;align-items:center;gap:14px;}
  .age-slider-row input[type=range]{flex:1;accent-color:var(--purple-600);}
  .age-badge-live{min-width:70px;text-align:center;background:var(--purple-100);color:var(--purple-700);padding:7px 10px;border-radius:10px;font-weight:700;font-size:13px;}

  #auth-view{padding:80px 0 100px;background:linear-gradient(180deg,#fff,#f8f6ff);}
  .auth-shell{max-width:520px;margin:0 auto;background:#fff;border:1px solid #eee6ff;border-radius:22px;box-shadow:var(--shadow-soft);padding:34px;}
  .auth-shell h3{font-size:20px;margin:0 0 6px;color:var(--purple-900);}
  .auth-shell p.hint{color:var(--ink-soft);font-size:13.5px;margin-bottom:22px;}
  .role-card{border:2px solid #eae4ff;border-radius:16px;padding:20px 14px;text-align:center;cursor:pointer;transition:.15s;}
  .role-card:hover{border-color:#c9b8ff;}
  .role-card.active{border-color:var(--purple-600);background:var(--purple-100);}
  .role-card .em{font-size:30px;margin-bottom:8px;}
  .role-card b{display:block;font-size:14px;} .role-card span{font-size:11.5px;color:var(--ink-soft);}
  .type-pick{display:grid;grid-template-columns:1fr;gap:10px;margin-bottom:8px;}
  .type-pick .role-card{display:flex;align-items:center;gap:12px;text-align:left;padding:12px 14px;}
  .type-pick .role-card .em{font-size:24px;margin-bottom:0;flex-shrink:0;}
  .type-pick .role-card b{font-size:13.5px;}
  .type-pick .role-card span{font-size:11px;line-height:1.3;}
  @media(min-width:560px){
    .type-pick{grid-template-columns:repeat(3,1fr);}
    .type-pick .role-card{flex-direction:column;text-align:center;padding:16px 10px;gap:6px;}
    .type-pick .role-card .em{font-size:26px;}
  }
  .step{display:none;} .step.active{display:block;}
  .back-link{font-size:12.5px;color:var(--purple-600);cursor:pointer;font-weight:600;margin-bottom:14px;display:inline-block;}
  .submit-row{display:flex;justify-content:flex-end;gap:10px;margin-top:6px;}

  .chat-shell{display:grid;grid-template-columns:230px 1fr;gap:0;border:1px solid #eee6ff;border-radius:18px;overflow:hidden;min-height:520px;background:#fff;}
  .child-panel{background:var(--lav-bg);padding:24px 18px;border-right:1px solid #eee6ff;display:flex;flex-direction:column;}
  .child-avatar{width:78px;height:78px;border-radius:50%;margin:0 auto 12px;background:radial-gradient(circle at 35% 30%,#a893ff,#6b46e0);display:flex;align-items:center;justify-content:center;font-size:34px;color:#fff;overflow:hidden;}
  .child-avatar svg,.child-avatar canvas{width:100%;height:100%;display:block;}
  .kid-card .child-avatar{margin:0 auto;}
  .child-name{text-align:center;font-family:'Fredoka';font-size:17px;color:var(--purple-900);}
  .child-age{text-align:center;font-size:12.5px;color:var(--ink-soft);margin-bottom:6px;}
  .child-stage{display:block;margin:0 auto 12px;width:fit-content;font-size:11px;font-weight:700;padding:3px 10px;border-radius:20px;background:var(--purple-100);color:var(--purple-700);}
  .growth-wrap{margin-bottom:18px;}
  .growth-label{display:flex;justify-content:space-between;font-size:11px;color:var(--ink-soft);margin-bottom:4px;}
  .growth-bar{height:7px;border-radius:6px;background:#e6e0fb;overflow:hidden;}
  .growth-fill{height:100%;background:linear-gradient(90deg,var(--purple-500),var(--pink));border-radius:6px;transition:width .4s;}
  .learned-title{font-size:12px;font-weight:700;color:var(--ink);text-transform:uppercase;letter-spacing:.04em;margin-bottom:10px;}
  .learned-list{list-style:none;padding:0;margin:0;font-size:12.5px;color:var(--ink-soft);flex:1;overflow-y:auto;max-height:180px;}
  .learned-list li{background:#fff;border-radius:8px;padding:8px 10px;margin-bottom:7px;line-height:1.35;border:1px solid #eee6ff;}
  .learned-empty{font-size:12px;color:#a49fc0;font-style:italic;}
  .child-select{width:100%;margin-bottom:14px;padding:9px 11px;border-radius:10px;border:1.5px solid #eae4ff;font-size:13px;font-family:inherit;background:#fff;}
  .chat-main{display:flex;flex-direction:column;}
  .chat-messages{flex:1;padding:22px 24px;overflow-y:auto;max-height:460px;display:flex;flex-direction:column;gap:12px;}
  .msg{max-width:72%;padding:11px 15px;border-radius:16px;font-size:14px;line-height:1.5;}
  .msg .role-tag{display:block;font-size:10px;font-weight:700;opacity:.6;margin-bottom:3px;text-transform:uppercase;letter-spacing:.03em;}
  .msg.ia{background:var(--purple-100);color:var(--purple-900);align-self:flex-start;border-bottom-left-radius:4px;}
  .msg.user{background:var(--purple-600);color:#fff;align-self:flex-end;border-bottom-right-radius:4px;}
  .typing{align-self:flex-start;background:var(--purple-100);padding:11px 15px;border-radius:16px;border-bottom-left-radius:4px;font-size:13px;color:var(--ink-soft);}
  .chat-input-row{display:flex;gap:10px;padding:16px 20px;border-top:1px solid #eee6ff;}
  .chat-input-row input{flex:1;padding:12px 15px;border-radius:12px;border:1.5px solid #eae4ff;font-size:14px;font-family:inherit;outline:none;}
  .chat-input-row input:focus{border-color:var(--purple-500);}
  .send-btn{background:var(--purple-600);color:#fff;border:none;width:44px;height:44px;border-radius:12px;cursor:pointer;font-size:16px;display:flex;align-items:center;justify-content:center;}
  .send-btn:hover{background:var(--purple-700);}
  @media(max-width:700px){.chat-shell{grid-template-columns:1fr;}.child-panel{border-right:none;border-bottom:1px solid #eee6ff;}}

  .log-entry{display:flex;gap:12px;padding:12px 0;border-bottom:1px solid #f1edff;}
  .log-entry:last-child{border-bottom:none;}
  .log-avatar{width:32px;height:32px;border-radius:50%;flex-shrink:0;display:flex;align-items:center;justify-content:center;font-size:14px;color:#fff;}
  .log-avatar.ia{background:var(--purple-600);} .log-avatar.user{background:var(--orange);}
  .log-meta{font-size:11.5px;color:var(--ink-soft);margin-bottom:2px;} .log-text{font-size:13.5px;}
  .empty-state{color:var(--ink-soft);font-size:13.5px;font-style:italic;padding:20px 0;text-align:center;}

  .filter-row{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:20px;}
  .feed-post{border:1px solid #eee6ff;border-radius:14px;padding:16px 18px;margin-bottom:14px;}
  .feed-head{display:flex;align-items:center;gap:10px;margin-bottom:8px;}
  .feed-emoji{width:34px;height:34px;border-radius:50%;background:var(--purple-100);display:flex;align-items:center;justify-content:center;font-size:16px;}
  .feed-name{font-size:13.5px;font-weight:700;} .feed-time{font-size:11px;color:var(--ink-soft);}
  .feed-text{font-size:13.5px;color:var(--ink);line-height:1.5;}
  .badge{font-size:10.5px;font-weight:700;padding:3px 9px;border-radius:20px;background:var(--lav-bg);color:var(--purple-700);}
  .badge.affinity{background:#e9f8ef;color:var(--green);}

  .children-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;}
  @media(max-width:900px){.children-grid{grid-template-columns:1fr 1fr;}}
  @media(max-width:600px){.children-grid{grid-template-columns:1fr;}}
  .kid-card{background:#fff;border:1px solid #eee6ff;border-radius:16px;padding:18px;text-align:center;}
  .kid-card .child-avatar{width:60px;height:60px;font-size:28px;}
  .kid-card b{display:block;margin-top:8px;font-size:14.5px;}
  .kid-card .meta{font-size:12px;color:var(--ink-soft);margin-bottom:10px;}
  .badge-row{display:flex;gap:6px;justify-content:center;flex-wrap:wrap;margin-bottom:10px;}
  .add-kid-card{border:2px dashed #d9cdfb;border-radius:16px;padding:18px;text-align:center;display:flex;flex-direction:column;align-items:center;justify-content:center;cursor:pointer;color:var(--purple-600);font-weight:600;font-size:13.5px;min-height:170px;}
  .add-kid-card:hover{background:var(--lav-bg);}

  .avatar-builder{display:grid;grid-template-columns:150px 1fr;gap:22px;background:var(--lav-bg);border-radius:16px;padding:18px;margin-bottom:8px;}
  .avatar-preview-col{display:flex;flex-direction:column;align-items:center;gap:10px;}
  .avatar-preview-col .avatar-visual{width:130px;height:130px;box-shadow:var(--shadow-soft);}
  .avatar-visual{border-radius:50%;overflow:hidden;display:inline-flex;align-items:center;justify-content:center;background:var(--purple-100);}
  .avatar-visual canvas{width:100%;height:100%;display:block;}


/* ---- ajouts spécifiques à l'app réelle (auth email/mot de passe, etc.) ---- */
.auth-tabs{display:flex;gap:8px;margin-bottom:20px;}
.auth-tab{flex:1;text-align:center;padding:10px;border-radius:10px;font-weight:600;font-size:13.5px;cursor:pointer;background:var(--lav-bg);color:var(--ink-soft);}
.auth-tab.active{background:var(--purple-600);color:#fff;}
.error-box{background:#fdeef0;color:var(--red);border:1px solid #f6c9cf;padding:10px 14px;border-radius:10px;font-size:13px;margin-bottom:14px;display:none;}
.error-box.show{display:block;}
.loading-note{font-size:12.5px;color:var(--ink-soft);text-align:center;padding:30px 0;}