:root{--bg:#f7f8fb;--card:#fff;--ink:#1d2433;--muted:#6b7385;--accent:#2f5bea;--ok:#1b7f4b;--bad:#b3261e;--warn:#a86400;--line:#e3e6ee}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.5 system-ui,-apple-system,Segoe UI,Roboto,sans-serif}
.top{display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;padding:12px 16px;background:var(--card);border-bottom:1px solid var(--line)}
.brand{font-weight:700;color:var(--ink);text-decoration:none}
nav{display:flex;flex-wrap:wrap;gap:14px;align-items:center}
nav a,a{color:var(--accent)}
main{max-width:960px;margin:0 auto;padding:16px}
footer{text-align:center;color:var(--muted);font-size:13px;padding:24px}
.card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:16px;margin:14px 0}
.narrow{max-width:380px;margin:40px auto}
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:12px}
.stat{display:flex;flex-direction:column;align-items:center;margin:0}
.big{font-size:28px;font-weight:700}
.muted{color:var(--muted)}
.ok{color:var(--ok)}.late{color:var(--bad)}
.alert{background:#fdecea;color:var(--bad);padding:8px 12px;border-radius:8px}
.notice{background:#eef2ff;border-radius:8px;padding:8px 12px;font-size:14px}
label{display:block;margin:10px 0 4px;font-weight:600}
input,select,textarea{width:100%;padding:10px;border:1px solid #c9ceda;border-radius:8px;font:inherit;background:#fff;color:var(--ink)}
.btn{display:inline-block;background:var(--accent);color:#fff;border:0;border-radius:8px;padding:10px 16px;font:inherit;font-weight:600;cursor:pointer;text-decoration:none;margin-top:10px}
.btn.small{padding:6px 12px;margin-top:6px}
.btn.secondary{background:#e8ebf3;color:var(--ink)}
.btn.danger{background:var(--bad)}
button.link{background:none;border:0;color:var(--accent);cursor:pointer;font:inherit;padding:0}
form.inline{display:inline;margin:0}
.row{display:flex;gap:6px;flex-wrap:wrap}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:10px;align-items:end}
.progress{height:10px;background:var(--line);border-radius:6px;overflow:hidden}
.bar{height:100%;background:var(--accent)}
.chip{display:inline-block;background:#eef2ff;color:var(--accent);padding:2px 10px;border-radius:99px;font-size:13px;margin:0}
.tablewrap{overflow-x:auto}
table{width:100%;border-collapse:collapse;font-size:14px}
th,td{padding:8px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
tr.today{background:#fff8e1}tr.sun{background:#f1f3f8}
.list{padding-left:18px}
blockquote{margin:12px 0;padding:10px 14px;border-left:4px solid var(--accent);background:#fff}
.q{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:14px;margin:12px 0}
.qtext{margin:0 0 8px}
/* texte-piège : même couleur que le fond de la carte, 1 px */
.t{color:#fff;font-size:1px;line-height:1px;user-select:text}
.sr{position:absolute;left:-9999px}
.st{display:inline-block;padding:2px 10px;border-radius:99px;font-size:13px;font-weight:600}
.st-ok{background:#e3f6ec;color:var(--ok)}
.st-approx{background:#fff2d9;color:var(--warn)}
.st-faux{background:#fdecea;color:var(--bad)}
.st-a_valider{background:#eef2ff;color:var(--accent)}
.tuto{background:#fffaf0;border:1px solid #f1d9a8;border-radius:10px;padding:12px;margin-top:10px}
.tuto h4{margin:0 0 6px}
.pend{border-top:1px solid var(--line);padding-top:8px}
details summary{cursor:pointer;margin:8px 0}

/* ===== Espace élève : compact, joyeux, responsive ===== */
.s-maths{--c:#4f7cff;--cd:#3359d6;--ct:#e6edff}
.s-fr{--c:#ff6b8a;--cd:#d94767;--ct:#ffe8ee}
.s-en{--c:#9b6bff;--cd:#7545d9;--ct:#f0e8ff}
.s-es{--c:#ffab2e;--cd:#d98a0a;--ct:#fff2d9}
.s-hg{--c:#1fc79a;--cd:#12a07a;--ct:#d9f8ee}
.s-pc{--c:#2eb5f5;--cd:#1690c9;--ct:#dcf3fe}
.s-tech{--c:#8d99ae;--cd:#6c788f;--ct:#eceff4}
.s-sun{--c:#6c4cf1;--cd:#4f33c9;--ct:#ece8ff}
body.kid{--bg:#f6f3ff;--line:#e6e0fa;--ink:#251f45;--muted:#74709a;--p:#6c4cf1;--pd:#4f33c9;background:var(--bg);color:var(--ink);
  font-family:ui-rounded,"SF Pro Rounded","Nunito","Segoe UI",system-ui,sans-serif;font-size:16px;padding-bottom:76px}
.kid main{max-width:1000px;margin:0 auto;padding:12px 14px 20px}
.kbar{position:fixed;left:0;right:0;bottom:0;z-index:20;background:#fff;border-top:2px solid var(--line);padding-bottom:env(safe-area-inset-bottom)}
.klogo{display:none;font-weight:800;color:var(--ink);text-decoration:none}
.ktabs{display:flex;justify-content:space-around}
.ktabs a,.ktabs .out{display:flex;flex-direction:column;align-items:center;gap:1px;flex:1;padding:7px 2px;color:#9a96bd;text-decoration:none;font-size:11px;font-weight:700;background:none;border:0;cursor:pointer;font-family:inherit}
.ktabs form{flex:1;margin:0;display:flex}.ktabs .out{width:100%}
.ktabs svg{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.ktabs a.on{color:var(--p)}
@media(min-width:760px){
  body.kid{padding-bottom:0}
  .kbar{position:sticky;top:0;bottom:auto;display:flex;align-items:center;justify-content:space-between;padding:8px 24px;border:0;border-bottom:2px solid var(--line)}
  .klogo{display:flex;align-items:center;gap:8px;font-size:19px}.klogo .dot{width:14px;height:14px;border-radius:50%;background:var(--p)}
  .ktabs{gap:6px}.ktabs a,.ktabs .out{flex-direction:row;gap:7px;font-size:14px;padding:7px 12px;border-radius:12px;flex:none}
  .ktabs a.on{background:#ece8ff}
  .kid main{padding:20px 24px 32px}
}
.hello{display:flex;justify-content:space-between;align-items:center;gap:10px;margin-bottom:10px}
.who{display:flex;align-items:center;gap:10px}
.avatar{width:42px;height:42px;border-radius:50%;background:#ffe8a3;display:grid;place-items:center;font-size:24px}
.eyebrow{margin:0;color:var(--muted);font-size:12px;font-weight:800;text-transform:uppercase;letter-spacing:.05em}
.kid h1{font-size:22px;line-height:1.1;margin:0}
.chips{display:flex;gap:6px}
.pill{background:#fff;border:2px solid var(--line);border-radius:99px;padding:3px 10px;font-weight:800;font-size:14px}
.cols{display:grid;gap:12px}
@media(min-width:860px){.cols{grid-template-columns:minmax(0,1.1fr) minmax(0,1fr);gap:24px;align-items:start}}
.mood{background:#fff;border:2px solid var(--line);border-radius:16px;padding:12px;margin:0 0 12px}
.mood-q{margin:6px 0;font-weight:800;font-size:15px}
.faces{display:flex;gap:6px}
.faces button{flex:1;font-size:26px;padding:6px 0;border:2px solid var(--line);background:#faf8ff;border-radius:14px;cursor:pointer;transition:transform .12s}
.faces button:hover{transform:translateY(-2px) scale(1.06)}
.faces button.on,.opts button.on{border-color:var(--p);background:#ece8ff;transform:scale(1.08)}
.opts{display:flex;gap:6px;flex-wrap:wrap}
.opts button{flex:1;min-width:84px;padding:7px 8px;border:2px solid var(--line);background:#faf8ff;border-radius:12px;font:inherit;font-size:14px;font-weight:700;cursor:pointer}
.talk{display:flex;gap:8px;align-items:center;margin:10px 0 6px;font-weight:600;font-size:14px}
.talk input{width:auto}
.mood-more textarea{font-size:14px;padding:8px}
.mood-actions{display:flex;align-items:center;gap:12px;margin-top:8px;flex-wrap:wrap}
.mood .btn.small{width:auto;display:inline-block;padding:8px 18px;margin:0}
.kid .btn:disabled{opacity:.45;cursor:default}
button.skip{color:var(--muted);font-size:13px;text-decoration:underline;background:none;border:0;cursor:pointer;font-family:inherit}
.mood-done{background:#e4f8ee;color:#126b3b;border-radius:12px;padding:8px 12px;font-weight:700;font-size:14px;margin:0 0 12px}
.care{display:block;margin-top:6px;font-weight:600;color:#33406b}
.hero{display:flex;gap:12px;align-items:center;background:var(--ct);border:2px solid var(--c);border-radius:18px;padding:12px 14px;margin:0 0 12px;position:relative;overflow:hidden}
.big-emoji{flex:none;width:56px;height:56px;border-radius:16px;background:var(--c);display:grid;place-items:center;font-size:30px;box-shadow:0 3px 0 var(--cd);animation:wobble 3s ease-in-out infinite}
.hero-body{min-width:0}
.hero .tag{margin:0;font-size:11px;font-weight:800;text-transform:uppercase;letter-spacing:.06em;color:var(--cd)}
.hero h2{font-size:17px;line-height:1.2;margin:2px 0 3px}
.hero .meta{margin:0 0 8px;font-size:13px;color:var(--muted)}
.done-line{font-weight:800;margin:0 0 6px;font-size:14px}
.go{display:inline-block;background:var(--c);color:#fff;font-weight:800;font-size:15px;text-decoration:none;border-radius:12px;padding:8px 20px;box-shadow:0 3px 0 var(--cd)}
.go:active{transform:translateY(3px);box-shadow:none}
.go.ghost{background:#fff;color:var(--cd);box-shadow:0 3px 0 var(--line)}
.sec{margin:14px 0 6px;font-size:15px;display:flex;justify-content:space-between;align-items:baseline}
.sec small{color:var(--muted);font-weight:700}
.row-card{display:flex;align-items:center;gap:10px;background:#fff;border:2px solid var(--line);border-left:6px solid var(--c);border-radius:12px;padding:7px 10px;margin:6px 0;color:var(--ink);text-decoration:none}
.row-card .ico{font-size:20px}
.row-card .rt{flex:1;display:flex;flex-direction:column;min-width:0;font-size:14px;line-height:1.25}
.row-card small{color:var(--muted)}.chev{font-size:22px;color:#b8b3dc}
.badges{display:flex;gap:8px;flex-wrap:wrap}
.badge{display:flex;flex-direction:column;align-items:center;width:62px;font-size:10.5px;font-weight:800;text-align:center;color:#a5a1c6;line-height:1.1}
.badge i{font-style:normal;font-size:24px;width:44px;height:44px;border-radius:50%;background:#ebe8f7;display:grid;place-items:center;margin-bottom:3px;filter:grayscale(1);opacity:.5}
.badge.on{color:var(--ink)}.badge.on i{filter:none;opacity:1;background:#ffe8a3;animation:wobble 3s ease-in-out infinite}
.bar-wrap{height:10px;border-radius:99px;background:#e6e0fa;overflow:hidden}
.bar2{height:100%;background:linear-gradient(90deg,#1fc79a,#ffd23f);border-radius:99px}
.board{list-style:none;margin:12px 0;padding:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(56px,1fr));gap:10px 6px}
.board li{display:flex;flex-direction:column;align-items:center;gap:2px}
.board small{font-size:10.5px;color:var(--muted);font-weight:700}
.node{width:46px;height:46px;border-radius:50%;display:grid;place-items:center;background:var(--c);color:#fff;text-decoration:none;box-shadow:0 3px 0 var(--cd);font-size:21px;font-weight:800}
.node.done{background:#2ec27e;box-shadow:0 3px 0 #1d9a5f}
.node.lock{background:#e3e0f0;box-shadow:0 3px 0 #cfcbe3;filter:grayscale(1);opacity:.7}
.node.now{outline:3px solid var(--c);outline-offset:3px;animation:pulse 1.8s ease-in-out infinite}
.fine{color:var(--muted);font-size:12px;margin:10px 0}
/* exercice */
.kid .ex-top{position:sticky;top:0;z-index:10;display:flex;align-items:center;gap:10px;background:var(--bg);padding:8px 0;margin:-12px 0 6px}
.close{font-size:28px;line-height:1;color:var(--muted);text-decoration:none;padding:0 6px}
.seg{flex:1;display:flex;gap:4px}
.seg i{flex:1;height:9px;border-radius:99px;background:#e0dbf3}
.seg i.ok{background:#2ec27e}.seg i.approx{background:#ffb02e}.seg i.faux{background:#ff6b6b}.seg i.a_valider{background:#a99bff}
.lesson{background:var(--ct);border-radius:16px;padding:10px 14px;margin:4px 0 10px}
.lesson .tag{margin:0;font-size:12px;font-weight:800;text-transform:uppercase;letter-spacing:.05em;color:var(--cd)}
.lesson h1{font-size:19px;margin:2px 0}
.goal{margin:2px 0 0;font-size:14px}
.kid .intro{margin:8px 0;font-size:15px}
.kid blockquote{background:#fff;border:2px solid var(--line);border-left:5px solid var(--c,#b8b3dc);border-radius:12px;margin:10px 0;padding:10px 12px;font-size:15px}
.kid .q{background:#fff;border:2px solid var(--line);border-radius:16px;padding:12px;margin:10px 0;box-shadow:0 3px 0 var(--line)}
.kid .qtext{display:flex;gap:8px;align-items:flex-start;font-weight:600;margin:0 0 8px;font-size:15.5px}
.num{flex:none;width:24px;height:24px;border-radius:50%;background:var(--c);color:#fff;display:grid;place-items:center;font-size:13px;font-weight:800}
.kid .t{color:#fff;font-size:1px;line-height:1px}
.kid textarea,.kid select,.kid input{border:2px solid #dcd6f3;border-radius:12px;font:inherit;padding:9px 11px}
.kid textarea:focus,.kid select:focus{outline:none;border-color:var(--c,var(--p))}
.kid .btn{display:block;width:100%;background:var(--c,var(--p));color:#fff;border-radius:12px;padding:10px;font-weight:800;box-shadow:0 3px 0 var(--cd,var(--pd));margin-top:8px}
.kid .btn:active{transform:translateY(3px);box-shadow:none}
.feedback strong{display:block}
.feedback[class*="fb-"]{margin-top:8px;border-radius:12px;padding:9px 12px;font-weight:700;font-size:14.5px}
.fb-ok{background:#d7f7e2;color:#126b3b}.fb-approx{background:#fff0cf;color:#8a5a00}.fb-faux{background:#ffe1de;color:#a3261c}.fb-a_valider{background:#e8ebff;color:#3a3fa8}
.kid .tuto{background:#fffaf0;border:2px solid #ffd27a;border-radius:12px;padding:10px 12px;margin-top:8px;font-size:14.5px}
.kid .tuto h4{margin:0 0 4px;font-size:15px}
.kid .notice{background:#fff;border:2px solid var(--line);border-radius:12px}
.kid .tablewrap{background:#fff;border:2px solid var(--line);border-radius:14px;padding:4px 8px}
.kid .card{border-radius:16px;border:2px solid var(--line)}
.confetti{position:absolute;width:9px;height:14px;border-radius:2px;pointer-events:none;z-index:50;animation:pop 1.1s ease-out forwards}
.shake{animation:shake .4s}
@keyframes pulse{50%{outline-offset:6px}}
@keyframes wobble{0%,100%{transform:rotate(-4deg)}50%{transform:rotate(4deg)}}
@keyframes pop{to{transform:translate(var(--dx),var(--dy)) rotate(300deg);opacity:0}}
@keyframes shake{25%{transform:translateX(-6px)}75%{transform:translateX(6px)}}
@media (prefers-reduced-motion:reduce){.node.now,.confetti,.shake,.big-emoji,.badge.on i{animation:none}}
/* exercice sur grand écran : colonne centrée */
@media(min-width:860px){.kid #ex,.kid .lesson,.kid .intro,.kid blockquote,.kid .notice,.kid .fine,.kid #finish,.kid .ex-top{max-width:720px;margin-left:auto;margin-right:auto}}
/* parent : responsive */
@media(max-width:640px){main{padding:12px}.top{padding:10px 12px}th,td{padding:6px 4px;font-size:13px}.big{font-size:22px}}
.paper{background:#fff4d6;color:#7a5200;border-radius:10px;padding:6px 10px;font-size:13.5px;font-weight:600;margin:0 0 8px}
.hintbtn{background:none;border:0;color:var(--p,#6c4cf1);font:inherit;font-weight:800;cursor:pointer;margin-top:8px;padding:4px 0}
.coach{background:#f6f3ff;border-radius:12px;padding:10px;margin-top:6px}
.coach .msgs{display:flex;flex-direction:column;gap:6px;max-height:240px;overflow:auto}
.coach .msgs p{margin:0;padding:7px 10px;border-radius:12px;font-size:14.5px;max-width:92%}
.coach .bot{background:#fff;border:2px solid #e6e0fa}.coach .me{background:#6c4cf1;color:#fff;align-self:flex-end}
.coach .send{display:flex;gap:6px;margin-top:8px}.coach .send input{flex:1}
.coach .send .btn.small{width:auto;margin:0;padding:8px 14px}
.photos{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin:0 0 8px}
.photos img{width:72px;height:72px;object-fit:cover;border-radius:10px;border:2px solid var(--line)}
.photobtn{display:inline-block;background:var(--ct,#ece8ff);color:var(--cd,#4f33c9);font-weight:800;border-radius:12px;padding:10px 14px;cursor:pointer}
.photomsg{flex-basis:100%;margin:0;font-size:13px;color:var(--muted)}
.correction{background:#e4f8ee;border-radius:12px;padding:9px 12px;margin:0 0 8px;font-size:14.5px}
.correction .pc{margin:6px 0 0;font-weight:700;color:#126b3b}
img.thumb{width:110px;height:110px;object-fit:cover;border-radius:10px;border:1px solid var(--line)}

/* séances */
.week{display:flex;gap:6px;margin:8px 0}.wd{flex:1;text-align:center;padding:6px 0;border-radius:10px;background:#ece8ff;font-weight:800;font-size:13px;color:#5f5a86}
.wd.done{background:#1f9d6b;color:#fff}.wd.today{outline:3px solid #6c4cf1}.wd.k-repos,.wd.k-vacances{opacity:.55}
.go.big{display:block;text-align:center;padding:16px;font-size:18px;margin:10px 0}
.blocks{list-style:none;padding:0;margin:10px 0;display:flex;flex-direction:column;gap:8px}
.blk{display:flex;align-items:center;gap:12px;background:#fff;border:2px solid #e6e0fa;border-radius:16px;padding:10px 12px}
.blk>div{flex:1}.blk small{display:block;color:#5f5a86}.blk.done{background:#e8f7ef;border-color:#9bd6b8}.blk.locked{opacity:.6}
.bn{width:30px;height:30px;border-radius:50%;background:#6c4cf1;color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800}
.late{background:#fff3cf;border-radius:14px;padding:8px 14px;margin:10px 0}.late h2{font-size:15px;margin:4px 0}
.retiens{background:#fff9e6;border:2px solid #f2cf79;border-radius:16px;padding:10px 14px;margin:10px 0;line-height:1.45}
.it{background:#fff;border:2px solid #e6e0fa;border-radius:20px;padding:14px;margin:12px 0}
.it .opt{display:block;width:100%;text-align:left;margin:6px 0;padding:12px;border:2px solid #e6e0fa;border-radius:12px;background:#faf8ff;font:inherit;font-weight:700}
.it .opt.sel{border-color:#6c4cf1;background:#ece8ff}.it .opt.ok{border-color:#157a52;background:#d9f5e7}.it .opt.bad{border-color:#d92f58;background:#fde7ec}
.it .fb{margin-top:8px;padding:10px;border-radius:12px;background:#ece8ff}.it .fb.ok{background:#d9f5e7}.it .fb.faux{background:#fde7ec}
.it .fig svg{max-width:100%;height:auto}.it .emo{font-size:44px}
.pairs{display:flex;gap:10px}.pairs>div{flex:1;display:flex;flex-direction:column;gap:8px}.pairs .opt.done{opacity:.5}
.ord .opt{display:flex;justify-content:space-between}
.year .yw{display:flex;align-items:center;gap:4px;margin:3px 0}.year b{width:70px;font-size:12px}
.yd{flex:1;text-align:center;padding:5px 0;border-radius:8px;background:#ece8ff;font-size:12px;text-decoration:none;color:#251f45}
.yd.k-repos,.yd.k-vacances,.yd.k-hors-plan{background:#eee;color:#999}.yd.ok{background:#1f9d6b;color:#fff}