@import"https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&family=Manrope:wght@500;700;800&display=swap";.student-workspace{max-width:920px;margin:auto}.student-workspace h1{font-size:clamp(32px,4vw,48px)}.learning-app .student-panel{background:#fff;border:1px solid var(--line);border-radius:22px;padding:30px;margin:28px 0;min-width:0}.student-panel h2{font-size:23px;margin:0 0 18px}.student-panel p{font-size:14px;color:var(--muted)}.student-actions{display:flex;gap:12px;flex-wrap:wrap;align-items:center;margin:18px 0}.student-workspace button,.qcm-entry button{border:1px solid #b9ccc3;border-radius:10px;padding:10px 15px;background:#f6faf7;color:#193f37;font:inherit;cursor:pointer}.student-workspace button:disabled{opacity:.55;cursor:not-allowed}.student-workspace .button{color:#fff;border:0;margin:0}.chapter-list{display:grid;gap:10px;margin:24px 0}.chapter-list label{display:flex;gap:13px;align-items:center;border:1px solid var(--line);border-radius:12px;padding:14px}.student-workspace input[type=checkbox],.student-workspace input[type=radio]{width:19px;height:19px;accent-color:#126d61;flex-shrink:0}.question-form{border:0;padding:0;margin:24px 0;min-width:0}.question-form legend{font-size:19px;font-weight:600;line-height:1.7;margin-bottom:22px;width:100%;white-space:pre-wrap}.answer-list{display:grid;gap:12px}.answer-card{display:flex;gap:14px;align-items:flex-start;padding:18px;border:1px solid var(--line);border-radius:14px;cursor:pointer;min-width:0;flex-wrap:wrap}.answer-card>.science-text{flex:1;min-width:0}.answer-card>small{flex-basis:100%;margin-left:33px}.selected{border-color:#167969!important;background:#edf8f2!important}.answer-correct{background:#edf9f0!important;border:1px solid #358556!important;color:#165b32!important}.answer-wrong{background:#fff1f0!important;border:1px solid #c16b68!important;color:#8a2d2a!important}.answer-row{border:1px solid var(--line);border-radius:14px;padding:18px;margin:14px 0;display:grid;gap:15px}.answer-row button{margin-right:10px}.student-workspace select,.student-workspace input:not([type=checkbox]):not([type=radio]){font:inherit;border:1px solid #b9ccc3;background:#fff;border-radius:10px;padding:12px;width:100%;min-width:0;max-width:100%;color:#203d36}.student-workspace select:disabled{opacity:1;color:#203d36}.cloze-sentence{line-height:2.5}.cloze-hole{display:inline-flex;vertical-align:middle;flex-direction:column;max-width:100%;padding:6px;margin:6px;border-radius:8px}.cloze-hole select{max-width:360px}.science-text{white-space:pre-wrap;line-height:1.7;overflow-wrap:anywhere;min-width:0}.science-media{display:block;margin:12px 0}.science-media img{display:block;max-width:100%;max-height:420px;width:auto;object-fit:contain;border-radius:8px}.media-caption{display:block;font-size:12px;color:#566d65}.media-options{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:12px;margin:10px 0}.media-options>div{padding:10px;border:1px solid var(--line);border-radius:10px;min-width:0}.katex-display{overflow-x:auto;overflow-y:hidden;max-width:100%;padding:8px 0}.question-top{display:flex;justify-content:space-between;gap:16px;align-items:center}.question-top h2{margin:0;font-size:21px}.question-top>span{font-size:12px;flex-shrink:0}.question-panel progress{width:100%;height:8px;accent-color:#126d61;border:0;border-radius:8px;margin:22px 0 0}.question-feedback{padding:20px;border-radius:14px;margin:24px 0}.question-feedback h3{font-size:17px;margin-top:0}.question-navigation{justify-content:space-between}.answer-solution{color:#17633d;background:#edf9f0;padding:10px;border-radius:8px;display:block}.ordering{list-style:none;padding:0;display:grid;gap:10px}.ordering>li{display:flex;gap:12px;padding:14px;border:1px solid var(--line);border-radius:12px;align-items:center;min-width:0}.ordering .science-text{flex:1}.order-controls{display:flex;gap:6px}.order-controls button{padding:8px 12px}.order-number{font-size:13px;color:#66776f}.score-circle{border-radius:50%;background:#e8f3eb;color:#126d61;width:160px;height:160px;display:flex;flex-direction:column;align-items:center;justify-content:center;margin:30px auto;font-size:50px;font-weight:800}.score-circle small{font-size:12px;font-weight:400}.quiz-result{text-align:center}.quiz-result .student-actions{justify-content:center}.quiz-result details{text-align:left;border-top:1px solid var(--line);padding-top:20px;margin-top:24px}.review-entry{margin:30px 0!important}.student-workspace details summary{cursor:pointer;font-weight:600;padding:10px 0}.student-workspace form{display:grid;gap:18px;margin:20px 0}.student-workspace form label:not(.checkbox-label){display:grid;gap:8px}.student-workspace form small{color:var(--muted)}.account-form{max-width:620px}.checkbox-label{display:flex;align-items:flex-start;gap:12px;font-size:13px;line-height:1.6}.recovery-code code{display:block;overflow-wrap:anywhere;background:#f1f5ef;border:1px solid var(--line);padding:18px;font-size:16px;margin:20px 0}.history-list{display:grid;gap:12px}.history-list>a,.history-list>button{display:flex;flex-direction:column;gap:8px;text-align:left;text-decoration:none;background:#f8fbf7;border:1px solid var(--line);border-radius:12px;padding:16px;overflow-wrap:anywhere}.history-list strong{font-size:14px}.history-list span{font-size:12px;color:var(--muted)}.progress-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin:26px 0}.progress-stats strong{font-size:29px;color:#126d61}.progress-stats small{display:block;font-size:12px;font-weight:400;color:var(--muted);margin-top:7px}.qcm-entry{font-size:12px}.qcm-entry p,.qcm-entry .button{margin:0}.student-workspace .text-button{border:0;background:transparent;padding:8px 0;font-size:12px;text-decoration:underline}.student-panel fieldset:disabled{opacity:1}.student-panel fieldset:disabled label{cursor:default}@media(max-width:640px){.learning-app .student-panel{padding:20px 16px;border-radius:16px}.student-workspace h1{font-size:32px}.question-top{align-items:flex-start;flex-direction:column;gap:8px}.question-form legend{font-size:17px}.answer-card{padding:14px 12px;gap:10px}.ordering>li{flex-wrap:wrap}.order-controls{margin-left:auto}.progress-stats{gap:10px}.progress-stats strong{font-size:24px}.progress-stats small{font-size:10px}.student-actions{gap:8px}.student-workspace button{font-size:13px}.media-options{grid-template-columns:1fr}.question-panel .button{width:100%;justify-content:center}.question-navigation{gap:12px}.question-navigation>.button{width:auto}.science-media img{max-height:280px}}.student-workspace textarea{width:100%;min-width:0;max-width:100%;padding:12px;border:1px solid #b9ccc3;border-radius:10px;background:#fff;color:#203d36;font:inherit;line-height:1.6;resize:vertical}.question-report{border-top:1px solid var(--line);margin:20px 0;padding-top:10px}.feedback-comment{white-space:pre-wrap;overflow-wrap:anywhere}.feedback-reference{display:grid;grid-template-columns:minmax(100px,auto) minmax(0,1fr);gap:10px 18px;font-size:13px}.feedback-reference dd{margin:0;overflow-wrap:anywhere}.feedback-reference dt{font-weight:600}.feedback-card .question-top{flex-wrap:wrap}.admin-user select,.account-form select{max-width:100%;min-height:44px;padding:10px;border:1px solid #b9ccc3;border-radius:10px;background:#fff;color:#203d36;font:inherit}.admin-user .question-top{flex-wrap:wrap}.admin-user h2{overflow-wrap:anywhere}.learning-app{--ink: #172e31;--muted: #617477;--line: #dce5e1;--teal: #126d61;color:var(--ink);background:#f8faf7;min-height:100vh;font-family:DM Sans,system-ui,sans-serif}.learning-app button{font:inherit;cursor:pointer}.learning-app a,.learning-app button{-webkit-tap-highlight-color:transparent}.learning-app :focus-visible{outline:3px solid #168c7d;outline-offset:5px}.learning-app button:disabled{cursor:default}.learning-app svg{width:24px;height:24px;flex-shrink:0}.learning-app .learning-header{max-width:1320px;padding:24px 40px;border:0;gap:24px;min-height:100px}.learning-brand{display:flex;align-items:center;gap:12px;font-size:20px;font-weight:800;letter-spacing:-.7px;text-decoration:none;flex-shrink:0}.brand-icon{width:44px;height:48px;display:grid;place-items:center;background:#dcefe7;border-radius:14px;color:var(--teal)}.brand-icon svg{width:30px;height:30px}.brand-online{display:block;font-size:9px;letter-spacing:3.5px;font-weight:700;margin-top:3px;color:var(--teal)}.learning-header nav{align-items:center;gap:20px;flex-wrap:wrap;justify-content:flex-end;font-size:13px}.learning-header nav a{text-decoration:none;font-weight:600}.learning-header nav a[aria-current=page]{color:var(--teal);text-decoration:underline}.account-link{display:flex;align-items:center;gap:8px;padding:10px 14px;border:1px solid var(--line);border-radius:24px}.account-link svg{width:17px;height:17px}.context-button{border:1px solid var(--line);background:#fff;border-radius:24px;padding:10px 14px;color:var(--teal);max-width:320px;text-align:left;font-size:12px!important}.learning-app main{max-width:1240px;padding:42px 40px 64px;min-height:calc(100vh - 190px);outline:none}.learning-app h1{font-size:clamp(36px,4.6vw,62px);font-weight:800;letter-spacing:-2.6px;line-height:1.13;margin:23px 0}.learning-app h1 em{font-style:normal;color:var(--teal)}.learning-app .eyebrow{font-size:10px;letter-spacing:2px;font-weight:700;color:var(--teal)}.learning-app .lead{font-size:17px;line-height:1.8;color:var(--muted);max-width:580px}.learning-app .button{display:inline-flex;gap:28px;align-items:center;font-size:14px;font-weight:600;background:var(--teal);border-radius:12px;padding:16px 23px;box-shadow:0 6px 16px #126d6115;transition:transform .2s,background .2s}.learning-app .button:hover{background:#0a594f;transform:translateY(-2px)}.welcome-hero{display:grid;grid-template-columns:1.25fr 1fr;align-items:center;padding:25px 0 48px;gap:32px}.hero-caption{font-size:11px;color:var(--muted);margin-top:18px}.live-dot{display:inline-block;background:#3d9a7c;width:6px;height:6px;border-radius:50%;margin-right:9px}.orbit{position:relative;min-height:310px;display:grid;place-items:center;background:radial-gradient(ellipse,#e4efe0 0%,#edf3e9 36%,transparent 69%);isolation:isolate}.orbit-core{width:112px;height:112px;border-radius:32px;background:#146e61;color:#fff;display:flex;flex-direction:column;justify-content:center;text-align:center;font-size:47px;font-weight:700;box-shadow:0 20px 50px #125c6126;transform:rotate(-8deg)}.orbit-core span{font-size:7px;font-weight:400;letter-spacing:.3px}.orbit-ring{position:absolute;border:1px solid #93b7a6;border-radius:50%;width:88%;height:115px;transform:rotate(-28deg);z-index:-1}.ring-two{transform:rotate(37deg);width:82%;height:136px}.ring-three{transform:rotate(94deg);width:67%;height:180px;border-color:#bfd2bb}.orbit-dot{position:absolute;border-radius:50%;background:#e6ae66;width:18px;height:18px;left:18%;top:32%;box-shadow:0 0 0 7px #efd4ad42}.dot-two{left:78%;top:63%;width:13px;height:13px;background:#71a99a;box-shadow:0 0 0 6px #a8d1bb40}.orbit-note{position:absolute;bottom:0;font-size:9px;letter-spacing:1px;color:var(--muted)}.learning-app section{margin-top:0;padding-top:0;border-top:0}.section-heading{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:23px}.section-heading h2{font-size:25px;letter-spacing:-.7px;margin:8px 0 0}.section-heading p{font-size:12px;color:var(--muted);margin-bottom:3px}.section-heading .eyebrow{font-size:9px}.level-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:14px}.level-card{text-align:left;min-width:0;border:1px solid var(--line);border-radius:18px;padding:22px 18px 18px;background:#fff;display:flex;flex-direction:column;transition:transform .2s,box-shadow .2s,border-color .2s;color:var(--ink)}.level-card:not(:disabled):hover{transform:translateY(-5px);box-shadow:0 12px 28px #17372f0c;border-color:#65a894}.level-card:disabled{background:#f0f3ef;color:#697876}.level-card-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:24px}.level-number{font-size:10px;color:var(--muted);letter-spacing:1px}.level-symbol{display:grid;place-items:center;width:38px;height:38px;background:#edf2e8;border-radius:11px;font-size:27px;color:#749466}.level-seconde .level-symbol{background:#e1f1eb;color:#348276}.level-premiere .level-symbol{background:#eae8f5;color:#8b7fa8}.level-terminale .level-symbol{background:#faedda;color:#bb8740}.level-post-bac .level-symbol{background:#e5edf5;color:#6d88a4}.level-card strong{font-size:20px;letter-spacing:-.5px;margin-bottom:8px}.level-card>span:not(.level-card-top):not(.level-action){font-size:11px;line-height:1.6;min-height:36px}.level-action{display:flex;justify-content:space-between;font-size:10px;padding-top:18px;margin-top:20px;border-top:1px solid var(--line);gap:8px;font-weight:600}.learning-app .promise-strip{display:grid;grid-template-columns:repeat(3,1fr);margin-top:50px;padding-top:28px;border-top:1px solid var(--line);gap:32px}.promise-strip>div{display:grid;grid-template-columns:28px 1fr;column-gap:12px;align-content:start}.promise-strip svg{grid-row:1/3;color:#7b988d;width:22px}.promise-strip h3{font-size:12px;margin:0}.promise-strip p{font-size:11px;color:var(--muted);margin:6px 0 0}.learning-app .learning-footer{max-width:1160px;padding:22px 0;display:flex;justify-content:space-between;gap:20px;border-top:1px solid var(--line);color:var(--muted);font-size:10px}.learning-footer>span:first-child{font-weight:700;color:var(--ink)}.dashboard-heading{padding:8px 0 30px}.dashboard-heading h1{font-size:clamp(34px,4vw,54px)}.dashboard-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}.learning-app .activity-card{display:flex;flex-direction:column;border-radius:22px;border:1px solid var(--line);padding:30px;background:#fff;margin:0;max-width:none;text-decoration:none;min-width:0}.learning-app .quiz-card{background:#e8f2eb;border-color:#ccdfd2}.learning-app .ece-card{background:#faf1e2;border-color:#e9ddc8;transition:transform .2s}.ece-card:hover{transform:translateY(-3px)}.card-top{display:flex;justify-content:space-between;align-items:center;gap:16px;margin-bottom:24px}.activity-icon{width:45px;height:45px;border-radius:14px;display:grid;place-items:center;background:#fff9;color:var(--teal);border:1px solid #17372f0e}.status-pill{display:inline-flex;font-size:10px;font-weight:600;border-radius:20px;background:#ffffff96;border:1px solid #17372f17;padding:5px 10px;color:#536861}.activity-card h2{font-size:28px;letter-spacing:-.8px;margin:0 0 10px}.activity-card p{color:var(--muted);font-size:14px;margin:0 0 20px;max-width:340px}.activity-card .card-kicker{font-size:9px;letter-spacing:1.3px;margin-bottom:10px}.card-bottom{display:flex;justify-content:space-between;gap:12px;padding-top:18px;border-top:1px solid #17372f15;font-size:11px;margin-top:auto;color:var(--muted)}.quiet-note{display:flex;gap:12px;align-items:center;margin:30px 0;color:var(--muted)}.quiet-note svg{width:20px}.quiet-note p{font-size:12px}.subject-dialog{width:min(460px,calc(100% - 32px));padding:28px;border:1px solid var(--line);border-radius:24px;color:var(--ink);background:#fafcf9;box-shadow:0 30px 100px #19342a38;max-height:85vh}.subject-dialog::backdrop{background:#122c2866;-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px)}.dialog-top{display:flex;align-items:center;justify-content:space-between}.icon-button{background:none;border:0;font-size:26px!important;color:var(--muted);width:40px;height:40px}.subject-dialog h2{font-size:24px;letter-spacing:-.7px;margin:12px 0}.subject-dialog p{font-size:13px;color:var(--muted)}.subject-options{display:grid;gap:12px;margin:24px 0}.subject-options button{display:flex;justify-content:space-between;align-items:center;gap:12px;border:1px solid var(--line);border-radius:14px;padding:18px;background:#fff;color:var(--ink);text-align:left}.subject-options button:hover{border-color:var(--teal);background:#edf5ee}.subject-options small{display:block;margin-top:6px;color:var(--muted);font-size:11px}.subject-dialog .dialog-hint{font-size:11px}.service-note{padding:16px 20px;border-radius:14px;border:1px solid var(--line);background:#eef4ef;font-size:13px}.service-note p{margin:0 0 10px}.service-note button{background:#fff;border:1px solid var(--line);border-radius:8px;padding:8px 15px}.error-note{background:#fff3e9;border-color:#edd5c0}.coming-page{padding:70px 0;max-width:750px}.learning-app .ece-preview{background:#faf1e2;border:1px solid #e9ddc8;border-radius:20px}.ece-steps{padding:24px 24px 24px 42px;background:#fff;border:1px solid var(--line);border-radius:18px;max-width:720px}.skip-link{position:absolute;top:-100px;left:20px;background:#fff;padding:15px;z-index:20}.skip-link:focus{top:10px}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%)}@media(max-width:1000px){.learning-app .learning-header{padding:22px 28px;flex-wrap:wrap}.learning-header nav{gap:14px}.learning-app main{padding:24px 28px 48px}.level-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.learning-app .learning-footer{margin:0 28px}.orbit{min-height:270px}.learning-app h1{letter-spacing:-1.8px}.welcome-hero{gap:10px}.level-card{padding:18px}.level-card-top{margin-bottom:18px}}@media(max-width:640px){.learning-app .learning-header{padding:20px;gap:18px;align-items:center}.learning-brand{font-size:17px}.brand-icon{width:36px;height:40px}.brand-icon svg{width:25px}.learning-header nav{flex-direction:row;justify-content:flex-start;gap:12px;width:100%;font-size:12px}.context-button{max-width:100%;font-size:11px!important;order:3}.account-link{padding:7px 10px}.learning-app main{padding:15px 20px 40px}.welcome-hero{grid-template-columns:1fr;padding:12px 0 32px}.orbit{display:none}.learning-app h1{font-size:39px;letter-spacing:-1.7px}.learning-app .lead{font-size:15px}.learning-app .button{padding:14px 20px}.section-heading{display:block;margin-bottom:18px}.section-heading h2{font-size:23px}.section-heading>p{margin-top:10px}.level-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.level-card{border-radius:15px;padding:16px 13px}.level-card strong{font-size:19px}.level-card-top{margin-bottom:15px}.level-action{font-size:10px;margin-top:12px}.level-card>span:not(.level-card-top):not(.level-action){font-size:10px;min-height:32px}.learning-app .promise-strip{grid-template-columns:1fr;gap:22px;margin-top:32px}.learning-app .learning-footer{margin:0 20px;flex-wrap:wrap;gap:12px;font-size:9px}.learning-footer>span:last-child{width:100%}.dashboard-grid{grid-template-columns:1fr;gap:16px}.learning-app .activity-card{padding:24px}.dashboard-heading h1{font-size:35px}.coming-page{padding:36px 0}.subject-dialog{padding:22px}.learning-app .ece-preview{padding:24px}.learning-app p,.learning-app h1,.learning-app h2,.context-button{overflow-wrap:anywhere}}@media(prefers-reduced-motion:reduce){.learning-app *{transition:none!important;scroll-behavior:auto!important}}:root{font-family:DM Sans,sans-serif;color:#17372f;background:#f6f7f2;font-synthesis:none}*{box-sizing:border-box}body{margin:0}a{color:inherit;text-underline-offset:5px}header{max-width:1160px;margin:auto;display:flex;align-items:center;justify-content:space-between;padding:32px 36px;border-bottom:1px solid #d7dfd5}.brand{font-family:Manrope,sans-serif;font-size:21px;font-weight:800;text-decoration:none}.brand span{display:block;font-weight:500;font-size:14px;letter-spacing:3px}nav{display:flex;gap:28px;font-size:14px}main{max-width:1060px;min-height:70vh;margin:auto;padding:85px 36px}h1{font-family:Manrope,sans-serif;font-size:clamp(36px,6vw,68px);line-height:1.1;letter-spacing:-2px;max-width:800px;margin:22px 0 28px}h2{font-size:24px;line-height:1.3}.lead{font-size:23px;max-width:630px;line-height:1.6;color:#52665e}p,li{line-height:1.7;max-width:760px}.eyebrow{font-size:12px;font-weight:700;letter-spacing:2px;color:#466754}.button{display:inline-block;background:#244d3e;color:#fff;padding:16px 24px;border-radius:6px;text-decoration:none;margin-top:16px}section{margin-top:80px;border-top:1px solid #d7dfd5;padding-top:28px}article{max-width:650px;background:#e8ede2;padding:34px;margin-top:42px;border-radius:8px}.badge{font-size:12px;letter-spacing:1px;text-transform:uppercase}li{margin-bottom:12px}footer{padding:28px 36px;max-width:1160px;margin:auto;border-top:1px solid #d7dfd5;font-size:13px;color:#52665e}a:focus-visible{outline:3px solid #b15b25;outline-offset:5px}@media(max-width:600px){header{padding:24px;align-items:flex-start;gap:22px}nav{flex-direction:column;gap:12px}main{padding:48px 24px}h1{letter-spacing:-1px}.lead{font-size:20px}}