:root{--ink:#293238;--muted:#687477;--cream:#fff7e7;--teal:#129a98;--teal-dark:#08716f;--orange:#ee7445;--gold:#e5ad32;--forest:#405b39;--paper:#fffdf8;--line:#dce7e2;font-family:Inter,ui-rounded,"Segoe UI",sans-serif;color:var(--ink);background:var(--cream)}
*{box-sizing:border-box}body{margin:0;min-width:320px;background:radial-gradient(circle at 10% 0,#e5f5ef 0,transparent 30%),var(--cream)}a{color:inherit;text-decoration:none}.topbar{height:82px;display:flex;align-items:center;justify-content:space-between;padding:0 clamp(20px,5vw,80px);background:rgba(255,255,255,.9);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:10;backdrop-filter:blur(12px)}.brand{display:flex;align-items:center;gap:12px}.brand-mark{display:grid;place-items:center;width:45px;height:45px;border-radius:15px;background:var(--teal);color:#fff;font-size:24px;font-weight:900;transform:rotate(-4deg)}.brand span:last-child{display:flex;flex-direction:column}.brand small{font-size:11px;color:var(--muted);margin-top:2px}.topbar nav{display:flex;gap:28px;font-weight:700;font-size:14px}.topbar nav a:hover{color:var(--orange)}main{min-height:calc(100vh - 140px)}.hero{min-height:520px;display:grid;grid-template-columns:minmax(0,1.2fr) minmax(280px,.8fr);align-items:center;gap:20px;padding:50px clamp(24px,8vw,130px) 0;overflow:hidden}.hero-copy{position:relative;z-index:2}.eyebrow{text-transform:uppercase;letter-spacing:.13em;font-size:12px;font-weight:900;color:var(--orange)}h1{font-size:clamp(42px,6vw,82px);line-height:.98;letter-spacing:-.05em;margin:15px 0 22px}h1 em{font-style:normal;color:var(--teal)}.hero p{max-width:650px;font-size:clamp(17px,2vw,21px);line-height:1.6;color:var(--muted)}.mascot{align-self:end;width:min(100%,470px);max-height:500px;object-fit:cover;object-position:top center;border-radius:48% 48% 22% 22%;filter:drop-shadow(0 24px 28px rgba(18,78,71,.18))}.level-picker{display:flex;flex-wrap:wrap;gap:10px;margin-top:30px}.level-chip{background:#fff;border:1px solid var(--line);border-radius:16px;padding:11px 16px;font-weight:800;display:flex;flex-direction:column;min-width:92px}.level-chip small{font-weight:500;color:var(--muted)}.level-chip.active{background:var(--teal);color:#fff;box-shadow:0 8px 20px rgba(12,107,99,.22)}.level-chip.active small{color:#cdece7}.library{padding:60px clamp(24px,6vw,100px) 90px;background:#f6fbf9;border-radius:50px 50px 0 0}.section-heading{display:flex;justify-content:space-between;align-items:end;margin-bottom:28px}.section-heading h2{font-size:clamp(30px,4vw,50px);margin:6px 0}.section-heading p{color:var(--muted)}.workbook-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}.workbook-card{--accent:var(--teal);min-height:300px;padding:30px 28px 24px 42px;border-radius:12px 28px 28px 12px;background:linear-gradient(145deg,color-mix(in srgb,var(--accent) 90%,white),var(--accent));color:#fff;box-shadow:0 15px 30px color-mix(in srgb,var(--accent) 22%,transparent);position:relative;overflow:hidden;transition:.2s transform,.2s box-shadow}.workbook-card:hover{transform:translateY(-6px) rotate(-.5deg);box-shadow:0 22px 40px color-mix(in srgb,var(--accent) 30%,transparent)}.workbook-spine{position:absolute;inset:0 auto 0 14px;width:9px;border-left:2px solid rgba(255,255,255,.3);border-right:2px solid rgba(0,0,0,.1)}.workbook-icon{font-size:34px}.workbook-card .subject{text-transform:uppercase;letter-spacing:.12em;font-size:11px;font-weight:900;opacity:.8}.workbook-card h3{font-size:28px;line-height:1.08;margin:18px 0 10px}.workbook-card p{opacity:.82}.workbook-meta{position:absolute;left:42px;right:26px;bottom:24px;display:flex;justify-content:space-between;align-items:center;font-size:13px}.workbook-header{padding:65px clamp(24px,8vw,130px);background:linear-gradient(135deg,color-mix(in srgb,var(--accent) 14%,white),#fff)}.workbook-header>a{font-weight:800;color:var(--teal)}.workbook-header h1{font-size:clamp(44px,7vw,76px)}.exercise-list{max-width:1100px;margin:0 auto;padding:40px 24px 90px}.exercise-row{display:grid;grid-template-columns:58px 1fr auto auto;align-items:center;gap:20px;background:#fff;border:1px solid var(--line);border-radius:22px;padding:18px 22px;margin-bottom:14px;box-shadow:0 8px 20px rgba(19,67,63,.05)}.exercise-number{width:48px;height:48px;display:grid;place-items:center;border-radius:16px;background:#e4f4ef;color:var(--teal);font-size:20px;font-weight:900}.exercise-copy span,.exercise-copy small{font-size:12px;color:var(--muted)}.exercise-copy h2{font-size:19px;margin:4px 0}.exercise-row button{border:0;background:var(--teal);color:#fff;border-radius:14px;padding:13px 18px;font-weight:900}.exercise-row button:disabled{background:#c8d2d0}.free-badge{background:#fff0ca;color:#8d5b00;border-radius:999px;padding:7px 11px;font-size:12px;font-weight:900}.locked{opacity:.7}.empty-state{grid-column:1/-1;padding:50px;text-align:center;background:#fff;border:2px dashed var(--line);border-radius:24px;color:var(--muted)}footer{text-align:center;padding:24px;color:var(--muted);font-size:13px;background:#fff}
@media(max-width:900px){.topbar nav a:not(:first-child){display:none}.hero{grid-template-columns:1fr;padding-top:45px}.mascot{max-height:360px;justify-self:center}.workbook-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.exercise-row{grid-template-columns:52px 1fr auto}.exercise-row button{grid-column:2/-1}.free-badge{align-self:start}}
@media(max-width:560px){.topbar{height:70px}.brand small{display:none}.hero{padding-inline:20px}.hero h1{font-size:45px}.mascot{max-height:320px}.library{padding-inline:18px;border-radius:28px 28px 0 0}.section-heading{align-items:start;flex-direction:column}.workbook-grid{grid-template-columns:1fr}.workbook-card{min-height:260px}.exercise-row{grid-template-columns:46px 1fr;padding:16px;gap:12px}.exercise-number{width:42px;height:42px}.free-badge{grid-column:2}.exercise-row button{grid-column:1/-1;width:100%;min-height:48px}}
@media(min-width:1800px){.hero{min-height:650px}.workbook-grid{grid-template-columns:repeat(4,minmax(0,1fr))}.workbook-card{min-height:340px}}
.start-button{background:var(--teal);color:#fff;border-radius:14px;padding:13px 18px;font-weight:900;text-align:center}.exercise-hero{padding:55px clamp(24px,8vw,130px) 35px;background:#e9f6f2}.exercise-hero h1{font-size:clamp(36px,6vw,68px);max-width:1000px}.reading-panel,.question-sheet,.correction-list{max-width:1050px;margin:28px auto;padding:0 22px}.reading-panel{background:#fff;border:1px solid var(--line);border-radius:22px;padding:25px;line-height:1.7}.reading-toolbar{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}.reading-toolbar button{border:0;background:var(--orange);color:#fff;padding:10px 14px;border-radius:12px;font-weight:800}.hidden-reading{visibility:hidden;min-height:180px}.speed-control{display:flex;align-items:center;gap:14px;background:#fff;padding:18px;border-radius:18px;margin-bottom:20px;font-weight:800}.speed-control input{flex:1}.question-card{border:1px solid var(--line);background:#fff;border-radius:22px;padding:22px;margin:0 0 16px}.question-card legend{font-size:18px;font-weight:800;padding:0 8px}.question-card legend span{display:inline-grid;place-items:center;width:34px;height:34px;border-radius:11px;background:#e4f4ef;color:var(--teal);margin-right:10px}.choice-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin-top:16px}.choice-grid label input{position:absolute;opacity:0}.choice-grid label span{display:block;border:2px solid var(--line);border-radius:14px;padding:14px;cursor:pointer}.choice-grid label input:checked+span{border-color:var(--teal);background:#e4f4ef}.open-answer{width:100%;margin-top:15px;border:2px solid var(--line);border-radius:14px;padding:15px;font:inherit}.open-answer:focus{outline:3px solid #b9e4db;border-color:var(--teal)}.submit-exercise,.return-button{display:block;border:0;border-radius:16px;background:var(--orange);color:#fff;font-weight:900;font-size:17px;padding:16px 25px;margin:28px auto;min-height:54px}.result-hero{text-align:center;padding:55px 20px 30px;background:#e9f6f2}.result-hero h1{color:var(--teal);margin:12px}.result-hero h1 small{font-size:.35em}.correction{display:grid;grid-template-columns:42px 1fr;gap:14px;padding:18px;border-radius:17px;margin-bottom:10px;background:#fff;border:1px solid var(--line)}.correction>span{display:grid;place-items:center;width:38px;height:38px;border-radius:50%;font-weight:900}.correction.correct>span{background:#d9f4e7;color:#08754b}.correction.incorrect>span{background:#ffe1da;color:#b73e24}.correction p{margin:5px 0;color:var(--muted)}.standalone{max-width:850px;margin:80px auto}.standalone h1{font-size:45px}
@media(max-width:560px){.choice-grid{grid-template-columns:1fr}.reading-toolbar{align-items:flex-start;gap:14px;flex-direction:column}.speed-control{align-items:flex-start;flex-direction:column}.speed-control input{width:100%}}

/* Lecteur d'exercices : grands boutons tactiles pour TBI, tablette et mobile. */
.exercise-player{position:relative}.player-status{background:#fff;border:3px solid #fff;border-radius:22px;padding:18px 22px;margin-bottom:20px;box-shadow:0 7px 0 #dceae6;display:grid;grid-template-columns:1fr auto;gap:8px 18px}.player-status strong{font-size:18px;color:var(--teal)}.player-status span{grid-column:2;grid-row:1/3;color:var(--muted);font-size:13px;align-self:center}.progress-track{height:11px;border-radius:20px;background:#e4efec;overflow:hidden}.progress-track i{display:block;height:100%;width:10%;background:linear-gradient(90deg,var(--teal),#35bda9);border-radius:20px;transition:width .25s}.method-intro{background:#fff9df;border:3px solid #fff;border-radius:24px;padding:20px;margin-bottom:22px;box-shadow:0 7px 0 #eadfb6;display:flex;align-items:center;justify-content:space-between;gap:24px}.method-intro p{margin:5px 0;color:var(--muted)}.method-icon{font-size:28px;margin-right:10px}.exercise-player.js-enabled .question-step{display:none}.exercise-player.js-enabled .question-step.is-active{display:block;animation:question-in .22s ease-out}@keyframes question-in{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:none}}.question-step{min-height:280px;padding:30px}.question-step legend{font-size:clamp(19px,2.3vw,26px)}.question-step legend span{width:42px;height:42px;border-radius:14px}.choice-grid label span{min-height:58px;display:flex;align-items:center;font-size:17px;font-weight:750}.open-answer{min-height:60px;font-size:19px}.player-actions{display:flex;align-items:center;justify-content:center;gap:14px;flex-wrap:wrap}.next-action,.secondary-action,.reading-action{border:0;border-radius:16px;padding:15px 22px;min-height:54px;font-weight:900;font-size:16px;cursor:pointer}.next-action,.reading-action{background:var(--teal);color:#fff;box-shadow:0 5px 0 #086b69}.secondary-action{background:#fff;color:var(--teal);border:2px solid var(--line)}.secondary-action:disabled{opacity:.4}.exercise-player .submit-exercise{display:none;margin:0}.exercise-player:not(.js-enabled) .submit-exercise,.exercise-player .submit-exercise.is-visible{display:block}.answer-warning{text-align:center;color:#b73e24;font-weight:800;min-height:24px}.reading-access{text-align:center}.reading-access .reading-panel{margin-top:18px;text-align:left}.reading-content{white-space:normal;font-size:18px}.is-concealed{display:none!important}.memory-gate{text-align:center;padding:30px}.memory-gate .reading-content{margin:22px 0;padding:25px;text-align:left;background:#fffdf2;border-radius:18px;border:2px dashed #e5c765}.reading-countdown{font-weight:900;color:var(--orange);margin-top:18px}.vob-flash{min-height:135px;margin:22px 0;padding:20px;border-radius:20px;background:#fff9df;border:3px dashed #e6bd39;display:grid;place-items:center;gap:8px}.vob-flash .show-word{border:0;border-radius:14px;background:var(--orange);color:#fff;padding:13px 18px;font-weight:900;cursor:pointer}.flash-word{font-size:clamp(32px,6vw,58px);letter-spacing:.03em;color:var(--teal)}.vob-flash small{color:var(--muted)}
@media(max-width:650px){.player-status{grid-template-columns:1fr}.player-status span{grid-column:1;grid-row:auto}.method-intro{align-items:stretch;flex-direction:column}.question-step{min-height:330px;padding:22px 14px}.player-actions>*{width:100%}.player-actions{flex-direction:column-reverse}.exercise-player .submit-exercise.is-visible{width:100%}.reading-content{font-size:16px}}

/* Navigation pédagogique : matière → sous-matière → série */
.catalog-tree{display:grid;gap:28px}.subject-panel{background:var(--paper);border:1px solid var(--line);border-radius:30px;overflow:hidden;box-shadow:0 18px 45px rgba(41,50,56,.07)}.subject-heading{display:flex;align-items:center;gap:16px;padding:24px 28px;background:linear-gradient(105deg,color-mix(in srgb,var(--accent) 15%,var(--paper)),var(--paper))}.subject-heading h3{font-size:clamp(25px,3vw,36px);margin:2px 0}.subject-heading div>span,.topic-panel summary small,.series-copy small{text-transform:uppercase;letter-spacing:.12em;font-size:10px;font-weight:900;color:var(--muted)}.subject-icon{display:grid;place-items:center;width:56px;height:56px;border-radius:18px;background:var(--accent);color:#fff;font-size:24px;font-weight:950}.topic-list{padding:10px 20px 22px}.topic-panel{border-top:1px solid var(--line)}.topic-panel:first-child{border-top:0}.topic-panel summary{list-style:none;display:flex;align-items:center;justify-content:space-between;gap:18px;padding:19px 8px;cursor:pointer}.topic-panel summary::-webkit-details-marker{display:none}.topic-panel summary>span:first-child{display:flex;flex-direction:column;gap:4px}.topic-panel summary strong{font-size:18px}.topic-panel summary:after{content:'+';display:grid;place-items:center;width:34px;height:34px;border-radius:12px;background:#e3f5f2;color:var(--teal-dark);font-size:23px;font-weight:700;order:3}.topic-panel[open] summary:after{content:'–';background:var(--teal);color:#fff}.series-count{margin-left:auto;border-radius:999px;background:#f1f4f2;padding:7px 11px;color:var(--muted);font-size:12px;font-weight:800}.series-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;padding:0 6px 22px}.series-card{display:grid;grid-template-columns:42px 1fr 28px;align-items:center;gap:12px;min-height:92px;padding:15px;border:1px solid var(--line);border-radius:18px;background:#fff;transition:transform .18s,border-color .18s,box-shadow .18s}.series-card:hover{transform:translateY(-2px);border-color:var(--teal);box-shadow:0 10px 24px rgba(18,154,152,.12)}.series-folder{width:38px;height:31px;border-radius:5px 7px 7px 7px;background:var(--gold);position:relative}.series-folder:before{content:'';position:absolute;left:0;top:-7px;width:20px;height:9px;border-radius:5px 5px 0 0;background:var(--gold)}.series-copy{min-width:0;display:flex;flex-direction:column;gap:3px}.series-copy strong{font-size:15px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.series-copy>span{font-size:12px;color:var(--muted)}.series-arrow{color:var(--teal-dark);font-size:22px;font-weight:900}.level-chip{min-width:145px}.level-chip small{margin-top:3px}.library{background:#f5fbf8}.mascot{background:var(--teal);object-fit:cover}
@media(max-width:1000px){.series-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:620px){.series-grid{grid-template-columns:1fr}.subject-heading{padding:20px}.topic-list{padding-inline:12px}.topic-panel summary{align-items:flex-start}.series-count{display:none}.level-chip{min-width:calc(50% - 6px);font-size:13px}.catalog-tree{gap:18px}}
.result-mascot{width:150px;height:150px;object-fit:cover;object-position:top;border-radius:50%;border:6px solid #fff;box-shadow:0 12px 30px rgba(18,154,152,.2)}
.series-count b{color:var(--gold);padding:0 3px}
.mascot-pose{align-self:end;width:min(100%,520px);aspect-ratio:1/1;background-image:url("../images/professeur-noldus-planche-officielle.c16ccf5c232c.png");background-repeat:no-repeat;background-size:200% 200%;filter:drop-shadow(0 24px 28px rgba(18,78,71,.13))}.pose-teacher{background-position:0 0}.pose-idea{background-position:100% 0}.pose-review{background-position:0 100%}.pose-success{background-position:100% 100%}.level-statistics{display:flex;align-items:center;flex-wrap:wrap;justify-content:flex-end;gap:8px}.level-statistics span{padding:10px 14px;background:#fff;border:1px solid var(--line);border-radius:14px;color:var(--muted)}.level-statistics strong{font-size:20px;color:var(--teal);margin-right:4px}.level-statistics small{flex-basis:100%;text-align:right;color:var(--muted)}
@media(max-width:900px){.mascot-pose{justify-self:center;max-width:430px}.level-statistics{justify-content:flex-start}.level-statistics small{text-align:left}}
@media(max-width:560px){.mascot-pose{max-width:340px}.level-statistics span{flex:1;text-align:center}.level-statistics small{width:100%}}
.unlock-button{cursor:pointer}.locked{filter:saturate(.25)}.locked .exercise-copy{opacity:.72}.unlock-dialog{width:min(92vw,540px);border:0;border-radius:28px;padding:38px;box-shadow:0 30px 90px rgba(41,50,56,.3);text-align:center}.unlock-dialog::backdrop{background:rgba(41,50,56,.62);backdrop-filter:blur(5px)}.unlock-dialog h2{font-size:32px;margin:12px 0}.unlock-dialog p{color:var(--muted);line-height:1.65}.unlock-dialog .start-button{display:inline-block;margin-top:10px}.dialog-close{position:absolute;right:15px;top:12px;border:0!important;background:transparent!important;color:var(--muted)!important;font-size:30px;padding:5px 10px!important;cursor:pointer}.pricing-hero{padding:75px clamp(24px,8vw,130px);background:linear-gradient(135deg,#e3f5f2,var(--cream));text-align:center}.pricing-hero h1{font-size:clamp(42px,6vw,74px)}.pricing-hero p{font-size:19px;color:var(--muted)}.pricing-section{padding:60px clamp(20px,6vw,100px) 90px}.pricing-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}.price-card{position:relative;background:#fff;border:1px solid var(--line);border-radius:26px;padding:28px;display:flex;flex-direction:column;min-height:310px;box-shadow:0 12px 30px rgba(41,50,56,.06)}.price-card.featured{border:3px solid var(--teal);transform:translateY(-8px)}.price-card h3{font-size:22px;margin:8px 0}.price-card p{color:var(--muted);line-height:1.5}.price{display:flex;align-items:end;gap:7px;margin:auto 0 24px}.price strong{font-size:40px;color:var(--teal);letter-spacing:-.05em}.price span{color:var(--muted);margin-bottom:7px}.popular-badge{position:absolute;right:18px;top:-14px;background:var(--gold);padding:7px 12px;border-radius:999px;font-size:11px;font-weight:900}.school-heading{margin-top:70px}.school-note{max-width:850px;color:var(--muted);font-size:17px;line-height:1.6}.school-grid{grid-template-columns:repeat(2,minmax(0,1fr));max-width:800px}.school-card{min-height:270px}.pricing-contact{margin-top:50px;padding:32px;border-radius:24px;background:#e3f5f2;text-align:center}.pricing-contact h2{margin-top:0}@media(max-width:1000px){.pricing-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:600px){.pricing-grid,.school-grid{grid-template-columns:1fr}.price-card.featured{transform:none}.unlock-dialog{padding:32px 20px}.pricing-hero{padding-top:50px}}

/* Univers enfant 6–11 ans : joyeux, tactile et toujours lisible */
:root{--sky:#35b9d2;--sun:#ffd34e;--grape:#9b63c7;--pink:#f36f91;--mint:#71d6b0;--blue:#168eae}
body{background:radial-gradient(circle at 7% 7%,rgba(255,211,78,.34) 0 70px,transparent 71px),radial-gradient(circle at 94% 14%,rgba(155,99,199,.16) 0 95px,transparent 96px),linear-gradient(180deg,#fffaf0,#effbf8);font-family:"Arial Rounded MT Bold","Trebuchet MS",Inter,"Segoe UI",sans-serif}
.topbar{height:88px;border-bottom:4px solid var(--sun);box-shadow:0 6px 0 rgba(41,50,56,.04)}.brand-mark{width:52px;height:52px;border-radius:50% 45% 48% 42%;background:linear-gradient(145deg,var(--sky),var(--teal));border:4px solid #fff;box-shadow:0 5px 0 #08716f;font-size:28px}.topbar nav a{padding:10px 14px;border-radius:999px}.topbar nav a:hover{background:#fff0bd;color:#795000;transform:rotate(-1deg)}
.hero{position:relative;min-height:570px;background:linear-gradient(135deg,#fff5c8 0 42%,#dff8f5 42% 100%);border-bottom:8px solid #fff;isolation:isolate}.hero:before,.hero:after{content:"";position:absolute;border-radius:50%;z-index:-1}.hero:before{width:190px;height:190px;background:rgba(53,185,210,.17);left:44%;top:35px}.hero:after{width:110px;height:110px;background:rgba(243,111,145,.17);right:3%;bottom:26px}.hero h1{color:#263c45;text-shadow:0 4px 0 #fff}.hero h1 em{color:#0d92a8}.hero-copy p{font-weight:700;color:#52676d}.fun-eyebrow{display:inline-block;background:var(--sun);color:#684a00;padding:9px 14px;border-radius:10px;transform:rotate(-1.5deg);box-shadow:0 4px 0 #dfa81f}.hero-doodle{position:absolute;font-size:45px;z-index:1;filter:drop-shadow(0 4px 0 #fff)}.doodle-star{color:var(--sun);left:47%;top:65px;transform:rotate(13deg)}.doodle-spark{color:var(--grape);right:5%;top:90px}.doodle-heart{color:var(--pink);left:52%;bottom:45px;transform:rotate(-10deg)}
.mascot-pose{border-radius:46% 54% 35% 42%;border:9px solid #fff;background-color:#fff;box-shadow:0 15px 0 rgba(18,154,152,.15),0 24px 45px rgba(41,50,56,.14);transform:rotate(1deg)}
.level-picker{gap:13px}.level-chip{position:relative;min-width:155px;padding:14px 17px;border:3px solid #fff;border-radius:22px;background:#fff;box-shadow:0 7px 0 #d6e4e1;font-size:15px;transition:.18s transform,.18s box-shadow}.level-chip:nth-child(3n+1){border-color:#8fe0cf}.level-chip:nth-child(3n+2){border-color:#ffd568}.level-chip:nth-child(3n){border-color:#d5b1eb}.level-chip:hover{transform:translateY(-4px) rotate(-1deg);box-shadow:0 11px 0 #cbded9}.level-chip.active{background:linear-gradient(145deg,var(--sky),#159aae);border-color:#fff;box-shadow:0 8px 0 #087b91;transform:translateY(-2px)}
.library{background:linear-gradient(180deg,#f9fffd,#eefaf7);border-radius:60px 60px 0 0}.section-heading h2{color:#304b53}.level-statistics span{border:3px solid #fff;border-radius:18px;box-shadow:0 6px 0 #dcebe6;background:#fff}.level-statistics span:first-child{background:#e7fbf4}.level-statistics span:nth-child(2){background:#fff4c9}.level-statistics strong{color:#087f94}
.subject-panel{border:4px solid #fff;border-radius:34px;box-shadow:0 10px 0 color-mix(in srgb,var(--accent) 24%,#dbe9e5),0 20px 45px rgba(41,50,56,.09);overflow:visible}.subject-heading{border-radius:30px 30px 0 0;background:linear-gradient(105deg,color-mix(in srgb,var(--accent) 30%,#fff),#fff7d9);min-height:110px}.subject-icon{position:relative;width:68px;height:68px;border-radius:22px;border:4px solid #fff;box-shadow:0 6px 0 color-mix(in srgb,var(--accent) 70%,#293238);transform:rotate(-3deg)}.subject-icon i{position:absolute;right:-10px;top:-15px;color:var(--sun);font-style:normal;font-size:22px;text-shadow:0 2px 0 #9a7100}.topic-panel{border-top:3px dashed #dce9e5}.topic-panel summary{min-height:74px;padding:17px 12px}.topic-panel summary strong{font-size:20px;color:#354f57}.topic-panel summary:after{border-radius:50%;width:40px;height:40px;box-shadow:0 4px 0 #b7ddd5}.series-count{background:#fff4c9;border:2px solid #ffe089;color:#765a16;padding:8px 13px}
.series-grid{gap:18px}.series-card{min-height:125px;border:3px solid #fff;border-radius:19px;background:linear-gradient(135deg,#fff,#f6fffc);box-shadow:0 7px 0 #dceae6;padding:17px;transition:.18s}.series-card:nth-child(4n+1){--binder:#1aa8c2;--sticker:#ffd34e}.series-card:nth-child(4n+2){--binder:#f0787e;--sticker:#8ee0c4}.series-card:nth-child(4n+3){--binder:#8c68c5;--sticker:#ffd34e}.series-card:nth-child(4n){--binder:#51b982;--sticker:#f4a2ba}.series-card:hover{transform:translateY(-7px) rotate(-.7deg);border-color:var(--sun);box-shadow:0 12px 0 #cfe4de}.series-folder{width:50px;height:70px;border-radius:5px 10px 10px 5px;background:var(--binder,var(--sky));box-shadow:inset 7px 0 rgba(0,0,0,.12),2px 3px 0 rgba(41,50,56,.15);position:relative}.series-folder:before{display:none}.series-folder:after{content:"";position:absolute;left:7px;top:13px;width:7px;height:44px;border-radius:5px;background:rgba(255,255,255,.55)}.series-folder i,.series-folder b{position:absolute;z-index:2;font-style:normal;color:var(--sticker,var(--sun));text-shadow:0 1px 0 rgba(0,0,0,.18)}.series-folder i{font-size:19px;right:7px;top:9px}.series-folder b{font-size:16px;right:8px;bottom:9px}.series-copy strong{font-size:16px;color:#304b53}.series-arrow{display:grid;place-items:center;width:34px;height:34px;border-radius:50%;background:var(--sun);color:#765000;box-shadow:0 4px 0 #dba91d}.exercise-row{border:3px solid #fff;box-shadow:0 7px 0 #dceae6;border-radius:24px}.exercise-number{background:var(--sun);color:#765000;border:3px solid #fff;box-shadow:0 4px 0 #dfad24}.start-button,.exercise-row button{box-shadow:0 5px 0 #086b69;transition:.15s}.start-button:hover,.exercise-row button:hover{transform:translateY(-2px);box-shadow:0 7px 0 #086b69}
@media(max-width:900px){.hero{background:linear-gradient(160deg,#fff5c8,#dff8f5)}.hero-doodle{font-size:32px}.doodle-star{left:auto;right:9%;top:40px}.doodle-heart{display:none}.mascot-pose{justify-self:center;max-width:430px}.level-statistics{justify-content:flex-start}.level-statistics small{text-align:left}}
@media(max-width:620px){.topbar{border-bottom-width:3px}.level-chip{min-width:calc(50% - 7px);padding:12px}.subject-panel{border-radius:25px}.subject-heading{border-radius:21px 21px 0 0}.subject-icon{width:58px;height:58px}.series-card{min-height:112px}.series-folder{width:45px;height:62px}.hero-doodle{display:none}}
.series-folder.photo-binder{width:64px;height:82px;border:0;border-radius:12px;background:#fff url("../images/classeur-exercices-bleu.af2203cdf283.png") center/contain no-repeat;box-shadow:0 5px 0 rgba(22,142,174,.18)}.series-folder.photo-binder:before,.series-folder.photo-binder:after{display:none}.binder-card{grid-template-columns:68px 1fr 34px}@media(max-width:620px){.series-folder.photo-binder{width:56px;height:72px}.binder-card{grid-template-columns:60px 1fr 32px}}
.subtopic-list{display:grid;gap:18px;padding:0 6px 24px}.subtopic-group{border:3px solid #e2eee9;border-radius:24px;background:#fafffd;overflow:hidden}.subtopic-group:nth-child(4n+1){--subaccent:#35b9d2}.subtopic-group:nth-child(4n+2){--subaccent:#f0787e}.subtopic-group:nth-child(4n+3){--subaccent:#8c68c5}.subtopic-group:nth-child(4n){--subaccent:#51b982}.subtopic-heading{display:flex;align-items:center;gap:12px;padding:15px 18px;background:color-mix(in srgb,var(--subaccent) 13%,#fff)}.subtopic-heading small{text-transform:uppercase;letter-spacing:.11em;font-size:9px;font-weight:900;color:var(--muted)}.subtopic-heading h4{font-size:18px;margin:3px 0;color:#304b53}.subtopic-marker{display:grid;place-items:center;width:36px;height:36px;border-radius:12px;background:var(--subaccent);color:#fff;box-shadow:0 4px 0 color-mix(in srgb,var(--subaccent) 70%,#293238)}.subtopic-count{margin-left:auto;padding:7px 11px;border-radius:999px;background:#fff;border:2px solid color-mix(in srgb,var(--subaccent) 30%,#fff);font-size:11px;font-weight:900;color:#52676d}.subtopic-group .series-grid{padding:18px}@media(max-width:720px){.subtopic-heading{align-items:flex-start;flex-wrap:wrap}.subtopic-count{margin-left:48px}.subtopic-group .series-grid{padding:12px}}
.exercise-sheet-thumb{position:relative;width:62px;height:78px;border-radius:10px;background-color:#fff;background-position:center;background-size:cover;background-repeat:no-repeat;box-shadow:0 5px 0 #cfe3de;border:3px solid #fff;transform:rotate(-2deg)}.exercise-sheet-thumb b{position:absolute;right:-8px;bottom:-7px;display:grid;place-items:center;width:28px;height:28px;border-radius:50%;background:var(--sun);color:#765000;border:3px solid #fff;box-shadow:0 3px 0 #dca91f;font-size:13px}.exercise-row{grid-template-columns:70px 1fr auto auto}@media(max-width:900px){.exercise-row{grid-template-columns:70px 1fr auto}}@media(max-width:560px){.exercise-row{grid-template-columns:62px 1fr}.exercise-sheet-thumb{width:54px;height:68px}}

/* Connexion depuis les exercices protégés */
.nav-auth-form{display:inline-flex;margin:0}.nav-auth-form button{border:0;background:transparent;color:inherit;font:inherit;font-weight:700;padding:10px 14px;border-radius:999px;cursor:pointer}.nav-auth-form button:hover{background:#fff0bd;color:#795000}.login-page{min-height:calc(100vh - 140px);display:grid;place-items:center;padding:48px 22px;background:radial-gradient(circle at 10% 20%,rgba(255,211,78,.3),transparent 26%),radial-gradient(circle at 90% 80%,rgba(53,185,210,.22),transparent 28%)}.login-card{width:min(100%,980px);display:grid;grid-template-columns:minmax(280px,.8fr) minmax(340px,1fr);align-items:stretch;background:#fff;border:6px solid #fff;border-radius:38px;box-shadow:0 14px 0 #cfe4de,0 30px 70px rgba(41,50,56,.15);overflow:hidden}.login-mascot{min-height:580px;background:#dff8f5 url("../images/professeur-noldus-planche-officielle.c16ccf5c232c.png") 0 0/200% 200% no-repeat}.login-copy{display:flex;flex-direction:column;justify-content:center;padding:46px clamp(28px,5vw,64px)}.login-copy h1{font-size:clamp(42px,5vw,64px);margin:20px 0}.login-copy p{color:var(--muted);font-weight:700;line-height:1.6}.login-form{display:grid;gap:9px;margin-top:18px}.login-form label{font-size:14px;font-weight:900;color:#40565d;margin-top:8px}.login-form input{width:100%;min-height:52px;border:3px solid #dceae6;border-radius:16px;padding:12px 15px;font:inherit;background:#fbfffd}.login-form input:focus{outline:4px solid rgba(53,185,210,.22);border-color:var(--sky)}.login-form button{min-height:54px;border:0;border-radius:17px;margin-top:15px;background:var(--teal);color:#fff;font:inherit;font-weight:900;cursor:pointer;box-shadow:0 6px 0 #086b69}.login-form button:hover{transform:translateY(-2px);box-shadow:0 8px 0 #086b69}.login-error{padding:13px 15px;border-radius:14px;background:#ffe5df;color:#a43d27;font-weight:800}.login-back{display:inline-block;margin-top:24px;color:var(--teal-dark);font-weight:900}@media(max-width:760px){.login-card{grid-template-columns:1fr}.login-mascot{min-height:260px;background-position:0 0}.login-copy{padding:32px 24px}.login-copy h1{font-size:42px}.topbar nav .nav-auth-form{display:none}}

/* Potentiomètre de vitesse : VOB et lecture avec effacement. */
.speed-control{display:flex;flex-direction:column;align-items:stretch;gap:10px;background:#fff;padding:18px 20px;border:2px solid #dcece8;border-radius:18px;margin-bottom:20px;font-weight:800;min-width:min(100%,390px)}.speed-heading{display:flex;align-items:baseline;justify-content:space-between;gap:18px}.speed-heading strong{font-size:18px;color:var(--teal-dark)}.speed-heading output{color:var(--orange);font-size:13px;font-weight:900;text-align:right}.speed-line{display:grid;grid-template-columns:auto minmax(150px,1fr) auto;align-items:center;gap:12px}.speed-line small{color:var(--muted);font-size:12px}.speed-control input[type="range"]{-webkit-appearance:none;appearance:none;width:100%;height:32px;margin:0;background:transparent;cursor:pointer;accent-color:var(--teal);touch-action:pan-x}.speed-control input[type="range"]::-webkit-slider-runnable-track{height:8px;border-radius:999px;background:linear-gradient(90deg,#f6c94c,var(--orange),var(--teal))}.speed-control input[type="range"]::-webkit-slider-thumb{width:28px;height:28px;margin-top:-10px;border:4px solid #fff;border-radius:50%;background:var(--teal);box-shadow:0 2px 7px rgba(20,75,70,.3);-webkit-appearance:none}.speed-control input[type="range"]::-moz-range-track{height:8px;border:0;border-radius:999px;background:linear-gradient(90deg,#f6c94c,var(--orange),var(--teal))}.speed-control input[type="range"]::-moz-range-thumb{width:22px;height:22px;border:4px solid #fff;border-radius:50%;background:var(--teal);box-shadow:0 2px 7px rgba(20,75,70,.3)}
@media(max-width:560px){.speed-heading{align-items:flex-start;flex-direction:column;gap:3px}.speed-heading output{text-align:left}.speed-line{grid-template-columns:auto minmax(0,1fr) auto;width:100%}}