.ae-app{--ink:#182033;--muted:#687184;--line:#e7e9ee;--paper:#fff;--soft:#f7f8fa;--accent:#4f6ef7;--accent2:#7157d9;max-width:1180px;margin:0 auto;font-family:Inter,ui-sans-serif,system-ui,-apple-system,sans-serif;color:var(--ink);line-height:1.55}.ae-app *{box-sizing:border-box}.eyebrow{font-size:12px;font-weight:800;letter-spacing:.12em;color:var(--accent)}.ae-hero{margin:12px 0 34px;padding:42px 44px;border-radius:28px;background:linear-gradient(135deg,#f4f6ff,#f8f5ff);border:1px solid #e8e9f7;display:flex;justify-content:space-between;align-items:center;gap:28px}.ae-hero h1{font-size:44px;letter-spacing:-.04em;line-height:1.05;margin:10px 0 12px}.ae-hero p{margin:0;color:var(--muted);font-size:17px}.ae-hero nav{display:flex;gap:8px}.ae-hero nav a{padding:11px 16px;border:1px solid var(--line);border-radius:12px;background:#fff;color:var(--ink);text-decoration:none;font-weight:800}.ae-hero nav a.active{background:var(--ink);color:#fff;border-color:var(--ink)}.ae-intro{display:flex;justify-content:space-between;align-items:end;gap:24px;margin:0 0 26px}.ae-intro h2{font-size:34px;margin:7px 0}.ae-intro p{margin:0;color:var(--muted)}.outline-cta,.ae-back a{display:inline-block;border:1px solid var(--line);border-radius:12px;padding:11px 15px;text-decoration:none;color:var(--ink);font-weight:750;background:#fff}.ae-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.ae-grid article{border:1px solid var(--line);border-radius:20px;padding:22px;background:#fff;min-height:240px;display:flex;flex-direction:column;transition:.2s}.ae-grid article:hover{transform:translateY(-3px);box-shadow:0 16px 40px rgba(25,32,51,.07)}.topic-icon{width:48px;height:48px;border-radius:14px;background:#f2f4ff;color:var(--accent);display:grid;place-items:center;font-weight:900;font-size:22px}.ae-grid h3{font-size:22px;margin:18px 0 6px}.ae-grid p{color:var(--muted);margin:0 0 20px}.ae-grid footer{margin-top:auto;display:flex;gap:8px}.ae-grid footer a,.cta{flex:1;text-align:center;padding:11px 12px;border-radius:11px;background:var(--soft);color:var(--ink);text-decoration:none;font-weight:800}.ae-grid footer .primary,.cta{background:var(--ink);color:#fff}.ae-back{margin:0 0 20px;display:flex;justify-content:space-between;align-items:center}.ae-back span{color:var(--muted);font-weight:700}.ae-learn{display:grid;grid-template-columns:1.6fr .8fr;gap:22px}.learn-main,.ae-learn aside,.question-card,.ae-pdf,.sheet{background:#fff;border:1px solid var(--line);border-radius:22px;padding:30px}.learn-main h2{font-size:34px;line-height:1.2;margin:10px 0}.lead{font-size:18px;color:#3d4659}.concept{display:grid;grid-template-columns:150px 1fr;gap:22px;align-items:center;margin:30px 0;padding:22px;background:var(--soft);border-radius:18px}.concept-visual{height:110px;border-radius:16px;background:#fff;display:grid;place-items:center;position:relative;overflow:hidden;font-size:28px;font-weight:900}.concept-visual i{position:absolute;bottom:0;left:0;width:32%;height:10px;background:var(--accent)}.learn-steps{margin-top:28px}.learn-steps li{margin:8px 0}.ae-learn aside{align-self:start}.ae-learn aside h3{font-size:24px}.ae-learn aside p{color:var(--muted)}.cta{display:inline-block;margin-top:14px}.ae-session{max-width:900px;margin:0 auto}.session-top,.progress-meta{display:flex;justify-content:space-between;align-items:center}.session-top h2{font-size:30px;margin:5px 0}.session-score{border:1px solid var(--line);padding:9px 14px;border-radius:999px;font-weight:800}.progress-meta{margin:22px 0 8px;font-size:14px;font-weight:750}.progress{height:8px;background:#eceef3;border-radius:99px;overflow:hidden}.progress i{display:block;height:100%;background:var(--accent);border-radius:99px}.question-card{margin-top:18px;padding:38px}.question-no{font-size:12px;letter-spacing:.12em;font-weight:900;color:var(--accent)}.question-card h3{font-size:26px;line-height:1.45;margin:12px 0 30px}.online-form label{display:flex;justify-content:space-between;gap:12px;font-weight:800;margin:18px 0 8px}.online-form label small{font-weight:500;color:var(--muted)}.online-form textarea,.answer-row input{width:100%;border:1px solid #d9dce3;border-radius:14px;padding:15px;font:inherit;background:#fbfbfc}.online-form textarea:focus,.answer-row input:focus{outline:3px solid #edf0ff;border-color:var(--accent)}.answer-row{display:grid;grid-template-columns:1fr auto auto;gap:10px;align-items:center}.answer-row span{font-weight:800}.answer-row button,.ae-pdf button,.print-actions button{border:0;border-radius:12px;padding:14px 19px;background:var(--ink);color:#fff;font-weight:800;cursor:pointer}.hint{margin-top:16px;padding:14px 16px;border-radius:14px;background:var(--soft)}.work-review{margin-top:10px;padding:16px;border:1px dashed #d8dbe3;border-radius:14px}.work-review span{font-size:12px;font-weight:900;color:var(--muted)}.feedback{margin-top:16px;padding:22px;border-radius:16px;background:#f5f7ff;border:1px solid #e1e5ff}.feedback.ok{background:#f2fbf6;border-color:#d7f0e0}.feedback.no{background:#fff8f2;border-color:#f3e2d4}.feedback h4{font-size:20px;margin:0 0 10px}.feedback li{margin:7px 0}.next{margin-top:18px}.finish{margin-top:20px}.session-options{display:flex;gap:8px;justify-content:center;align-items:center;margin:18px 0}.session-options a{padding:7px 11px;border-radius:999px;background:var(--soft);color:var(--ink);text-decoration:none}.session-options a.active{background:var(--ink);color:#fff}.ae-pdf{max-width:720px;margin:0 auto}.ae-pdf h2{font-size:32px;margin:8px 0}.ae-pdf>p{color:var(--muted)}.ae-pdf form{display:grid;gap:16px;margin-top:24px}.ae-pdf form>label{display:grid;gap:7px;font-weight:800}.ae-pdf select{padding:13px;border:1px solid var(--line);border-radius:12px;background:#fff}.pdf-options{padding:20px;background:var(--soft);border-radius:16px;display:grid;gap:11px}.pdf-options h3{margin:0 0 5px}.pdf-options label{display:flex;gap:10px;align-items:center}.print-actions{text-align:right;margin:16px 0}.sheet{max-width:900px;margin:0 auto}.sheet header{display:flex;justify-content:space-between;border-bottom:2px solid var(--ink);padding-bottom:10px}.sheet h1{font-size:30px}.student{margin-bottom:30px}.sheet-help{padding:18px 20px;background:#f7f8fa;border-radius:14px;margin:18px 0}.q{padding:18px 0 22px;border-bottom:1px solid #ddd;page-break-inside:avoid}.q small,.solution small{display:block;color:#666;font-weight:700;margin-bottom:5px}.work-lines{line-height:2;margin-top:14px}.method{padding:8px 10px;background:#f5f5f5;border-radius:8px}.solution{padding:15px 0;border-bottom:1px solid #ddd;page-break-inside:avoid}.solution h3{margin:3px 0}.correction-intro{color:#555}.page-break{break-before:page;page-break-before:always}
@media(max-width:900px){.ae-grid{grid-template-columns:repeat(2,1fr)}.ae-learn{grid-template-columns:1fr}.ae-hero{padding:30px}.ae-hero h1{font-size:36px}}@media(max-width:620px){.ae-hero{flex-direction:column;align-items:flex-start}.ae-hero nav{width:100%}.ae-hero nav a{flex:1;text-align:center}.ae-grid{grid-template-columns:1fr}.ae-intro{align-items:flex-start;flex-direction:column}.question-card{padding:24px}.question-card h3{font-size:22px}.answer-row{grid-template-columns:1fr auto}.answer-row button{grid-column:1/-1}.online-form label{display:block}.online-form label small{display:block;margin-top:3px}.concept{grid-template-columns:1fr}.ae-back{align-items:flex-start;gap:10px;flex-direction:column}}@media print{body *{visibility:hidden!important}.sheet,.sheet *{visibility:visible!important}.sheet{position:absolute;left:0;top:0;width:100%;max-width:none;border:0;padding:0}.ae-hero,.ae-back,.print-actions{display:none!important}.page-break{break-before:page;page-break-before:always}}
/* V1.3 — palette douce, moderne et plus aérée */
.ae-app{--ink:#342c3a;--muted:#786f7d;--line:#eee7ef;--soft:#fbf8fb;--accent:#a65d86;--accent2:#8267a9}
.ae-hero{background:linear-gradient(135deg,#fff7fb 0%,#f7f3ff 55%,#fff8f2 100%);border-color:#f0e3ec;padding:48px 50px}
.ae-hero nav a.active{background:#6f526d;border-color:#6f526d}.ae-grid{gap:22px}.ae-grid article{min-height:260px;padding:26px;border-radius:24px;box-shadow:0 8px 28px rgba(85,60,80,.035)}
.ae-grid article:nth-child(1){background:#fff7fb}.ae-grid article:nth-child(2){background:#faf6ff}.ae-grid article:nth-child(3){background:#fff8f2}.ae-grid article:nth-child(4){background:#f8f6ff}.ae-grid article:nth-child(5){background:#fff6f6}.ae-grid article:nth-child(6){background:#f7faf8}.ae-grid article:nth-child(7){background:#fff9f0}.ae-grid article:nth-child(8){background:#f9f6fb}
.ae-grid article:nth-child(1) .topic-icon{background:#f8dce9;color:#8e456a}.ae-grid article:nth-child(2) .topic-icon{background:#eadff7;color:#715493}.ae-grid article:nth-child(3) .topic-icon{background:#f9e3d6;color:#9a6249}.ae-grid article:nth-child(4) .topic-icon{background:#e6e1f6;color:#66578e}.ae-grid article:nth-child(5) .topic-icon{background:#f8dddd;color:#985d67}.ae-grid article:nth-child(6) .topic-icon{background:#dfeee6;color:#567867}.ae-grid article:nth-child(7) .topic-icon{background:#f7e8cf;color:#927047}.ae-grid article:nth-child(8) .topic-icon{background:#eadff0;color:#76587e}
.ae-grid footer a{background:rgba(255,255,255,.72);border:1px solid rgba(110,80,105,.08)}.ae-grid footer .primary,.cta{background:#6f526d}.question-card,.learn-main,.ae-learn aside,.ae-pdf{border-radius:26px;padding:38px;box-shadow:0 14px 40px rgba(78,56,75,.04)}
.level-note{display:flex;justify-content:space-between;gap:16px;margin:14px 0 18px;padding:15px 18px;border-radius:16px;background:#fff7fb;border:1px solid #f0dfe9;color:#694f63}.level-note span{color:#826f7c}.level-10s{background:#faf6ff;border-color:#e9dff3}.level-11s{background:#fff8f2;border-color:#f1e4d8}
.progress i{background:linear-gradient(90deg,#b36b91,#8d72b2)}.question-no,.eyebrow{color:#9a557c}.feedback.ok{background:#f5fbf7}.feedback.no{background:#fff8f5}.online-form textarea,.answer-row input{background:#fff;border-color:#e8e0e8}
@media(max-width:620px){.ae-hero{padding:30px 24px}.level-note{flex-direction:column}.ae-grid{gap:16px}.question-card,.learn-main,.ae-learn aside,.ae-pdf{padding:24px}}
/* V1.4 — progression, barème, visuels et aides progressives */
.exercise-visual{margin:0 0 26px;padding:18px 20px;border:1px solid #eee5ec;border-radius:20px;background:linear-gradient(135deg,#fffafd,#faf8ff)}
.visual-title{font-size:12px;font-weight:900;letter-spacing:.08em;color:#8e617d;margin-bottom:12px}.percent-bar{height:22px;border-radius:99px;background:#f0e9ef;overflow:hidden}.percent-bar i{display:block;height:100%;border-radius:99px;background:linear-gradient(90deg,#d99aba,#ad8bd0)}.visual-caption{font-size:13px;color:#786f7d;margin-top:9px}.money-flow{display:flex;align-items:center;justify-content:center;gap:14px;flex-wrap:wrap}.money-flow span{padding:10px 14px;border-radius:13px;background:#fff;border:1px solid #eadfe8;font-weight:800}.money-flow b{color:#a65d86;font-size:20px}.progressive-hints{margin-top:22px;padding-top:18px;border-top:1px solid #eee7ef}.progressive-hints h4{margin:0 0 10px}.progressive-hints details{margin:8px 0;border:1px solid #eee7ef;border-radius:14px;background:#fff}.progressive-hints summary{cursor:pointer;padding:12px 14px;font-weight:800}.progressive-hints details p{padding:0 14px 14px;margin:0;color:#665d69}.solution-framework{display:grid;gap:4px;margin:12px 0 18px}.solution-framework b{margin-top:8px;color:#6f526d}.solution-framework p{margin:2px 0 5px}.grade-card{display:grid;gap:6px;padding:20px;margin:14px 0 18px;border-radius:18px;background:linear-gradient(135deg,#fff5fa,#f6f2ff);border:1px solid #ecdde8}.grade-card strong{font-size:25px}.grade-card span{font-weight:800}.grade-card small{color:#786f7d}.finish .outline-cta{margin:14px 0 0 10px}.session-options{flex-wrap:wrap}.grading-box{display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap;margin:28px 0 6px;padding:16px 18px;border:2px solid #342c3a;border-radius:12px}.grading-box span{font-weight:700}
@media(max-width:620px){.money-flow{justify-content:flex-start}.finish .outline-cta{margin-left:0}.session-options span{width:100%;text-align:center}.grading-box{display:grid}}
@media print{.grading-box{break-inside:avoid}.q small{font-size:11px}.exercise-visual{display:none!important}}