/* ===== Ajouts : quiz, à propos, avis, WhatsApp, page de leçon ===== */

/* Quiz */
.quiz-wrap{display:grid;grid-template-columns:1fr 1.1fr;gap:40px;align-items:center}
.quiz-wrap .sub{color:var(--muted);max-width:30em}
.quiz{background:#fff;border:1px solid var(--line);border-radius:24px;padding:26px;box-shadow:var(--shadow)}
.quiz-top{display:flex;justify-content:space-between;align-items:center;font-size:13px;font-weight:700;color:var(--muted);margin-bottom:12px}
.quiz-bar{height:6px;border-radius:6px;background:var(--soft);overflow:hidden;margin-bottom:18px}
.quiz-bar i{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--blue-2),var(--orange));transition:width .4s}
.quiz-q{font-size:19px;font-weight:700;margin:0 0 16px;line-height:1.4}
.quiz-opts{display:grid;gap:10px}
.quiz-opts button{font:inherit;font-weight:600;text-align:left;padding:13px 16px;border-radius:14px;border:1.5px solid var(--line);background:#fff;color:var(--text);cursor:pointer;transition:border-color .2s,background .2s,transform .15s}
.quiz-opts button:hover:not(:disabled){border-color:var(--blue-2);transform:translateX(3px)}
.quiz-opts button.ok{background:#dcf6ea;border-color:#1fb58a;color:#0b6e4f}
.quiz-opts button.bad{background:#ffe3e3;border-color:#e5484d;color:#9b1c20}
.quiz-opts button:disabled{cursor:default}
.quiz-exp{margin-top:14px;padding:12px 14px;border-radius:12px;background:var(--soft);font-size:14px;color:var(--text);animation:rise .4s both}
.quiz-next{margin-top:16px}
.quiz-score{text-align:center;padding:10px 0}
.quiz-score b{display:block;font-size:48px;color:var(--blue);line-height:1.1}
.quiz-score p{color:var(--muted);margin:6px 0 16px}

/* À propos */
.about-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:50px;align-items:center}
.about-photo{position:relative;aspect-ratio:1;max-width:360px;width:100%;margin:auto;border-radius:32px;overflow:hidden;background:linear-gradient(145deg,#cfe0ff,#ffdcc4);box-shadow:var(--shadow)}
.about-photo img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.avatar-initials{position:absolute;inset:0;display:grid;place-items:center;font-size:84px;font-weight:800;color:var(--blue);opacity:.55}
.about-grid h2{font-size:clamp(26px,3.6vw,36px);margin:0 0 12px;line-height:1.15}
.about-grid p{color:var(--muted);max-width:36em}
.about-stats{list-style:none;display:flex;gap:26px;flex-wrap:wrap;padding:0;margin:20px 0 26px}
.about-stats b{display:block;font-size:20px;color:var(--blue)}.about-stats span{font-size:13px;color:var(--muted)}

/* Avis */
.testi-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.testi{margin:0;background:#fff;border:1px solid var(--line);border-radius:20px;padding:24px;position:relative}
.testi:before{content:"“";position:absolute;top:6px;right:18px;font:700 64px Georgia,serif;color:var(--orange);opacity:.35}
.testi blockquote{margin:0 0 14px;color:var(--text)}
.testi figcaption{font-size:14px;color:var(--muted)}

/* WhatsApp flottant */
.wa-float{position:fixed;right:18px;bottom:calc(18px + env(safe-area-inset-bottom,0px));z-index:70;width:56px;height:56px;border-radius:50%;background:#25a55f;color:#fff;display:grid;place-items:center;box-shadow:0 10px 24px rgba(37,165,95,.45);transition:transform .2s}
.wa-float:hover{transform:scale(1.08)}
.wa-float:after{content:"";position:absolute;inset:0;border-radius:50%;border:2px solid #25a55f;animation:waPulse 2.4s ease-out infinite}
@keyframes waPulse{from{transform:scale(1);opacity:.7}to{transform:scale(1.6);opacity:0}}

/* Page de leçon (cours-modele.html) */
.lesson-hero{padding:44px 0 30px;background:linear-gradient(120deg,#eaf1ff,#fff1e6);border-bottom:1px solid var(--line)}
.crumbs{font-size:13px;color:var(--muted);margin-bottom:12px}.crumbs a{color:var(--blue);font-weight:600}
.lesson-hero h1{font-size:clamp(30px,5vw,46px);line-height:1.1;letter-spacing:-.03em;margin:0 0 14px}
.lesson-meta{display:flex;gap:10px;flex-wrap:wrap}
.lesson-meta span{font-size:13px;font-weight:700;padding:6px 12px;border-radius:999px;background:#fff;color:var(--navy);box-shadow:0 4px 12px rgba(20,60,160,.08)}
.lesson-body{width:min(860px,92%);margin:34px auto 20px}
.lesson-body h2{font-size:26px;margin:38px 0 14px;display:flex;align-items:center;gap:10px}
.lesson-body h2:before{content:"";width:6px;height:26px;border-radius:4px;background:var(--orange)}
.lesson-body li{margin:6px 0}
.lesson-actions{display:flex;gap:12px;flex-wrap:wrap;margin:18px 0}
.video{position:relative;aspect-ratio:16/9;border-radius:20px;overflow:hidden;background:#0a1d4d;box-shadow:var(--shadow)}
.video iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
.video-ph{position:absolute;inset:0;display:grid;place-items:center;text-align:center;color:#cfe0ff;padding:20px}
.exo{background:#fff;border:1px solid var(--line);border-radius:16px;padding:16px 20px;margin:12px 0}
.exo summary{cursor:pointer;font-weight:700;list-style:none;display:flex;justify-content:space-between;gap:12px}
.exo summary:after{content:"Voir la correction ▾";font-size:13px;color:var(--blue);white-space:nowrap}
.exo[open] summary:after{content:"Masquer ▴"}
.exo .corr{margin-top:12px;padding:12px 14px;border-radius:12px;background:#e8f6ef;color:#0b4d38;font-size:15px}
.lesson-nav{display:flex;justify-content:space-between;gap:12px;margin:40px 0 10px;flex-wrap:wrap}
.pdf-card{max-width:none;margin:14px 0}

@media(max-width:820px){.quiz-wrap,.about-grid{grid-template-columns:1fr;gap:28px}.testi-grid{grid-template-columns:1fr}}

/* Mode sombre */
body.dark .quiz,body.dark .testi,body.dark .exo,body.dark .quiz-opts button{background:var(--surface);color:var(--text);border-color:var(--line)}
body.dark .quiz-opts button.ok{background:#12382f;color:#9be8c8}body.dark .quiz-opts button.bad{background:#4a1d20;color:#ffb3b6}
body.dark .lesson-hero{background:linear-gradient(120deg,#0f1a2f,#14264a);border-color:var(--line)}
body.dark .lesson-meta span{background:#1d2a44;color:#fff}
body.dark .exo .corr{background:#12382f;color:#bff0dc}
body.dark .about-photo{background:linear-gradient(145deg,#152a57,#3b2615)}

/* Impression : leçon propre sur papier */
@media print{.header,footer,.wa-float,.lesson-actions,.lesson-nav,.menu-toggle{display:none!important}.exo{break-inside:avoid}.exo .corr{display:block}body{background:#fff}}

/* ===== Quiz complet « Racines carrées » ===== */
.qz-info,.qz-question,.qz-result{background:#fff;border:1px solid var(--line);border-radius:16px;padding:18px 20px;margin-bottom:16px}
.qz-info p{margin:6px 0 10px;color:var(--muted)}
.qz-progress-text{font-size:14px;font-weight:700;color:var(--blue)}
.qz-progress{height:8px;border-radius:8px;background:var(--soft);overflow:hidden;margin-top:8px}
.qz-bar{height:100%;width:0;background:linear-gradient(90deg,var(--blue-2),var(--orange));transition:width .3s}
.qz-question h4{margin:0 0 8px;font-size:17px;line-height:1.5}
.qz-num{color:var(--blue);font-weight:800}
.qz-instruction{font-size:13px;color:var(--muted);margin-bottom:10px}
.qz-option{display:flex;align-items:flex-start;gap:10px;margin-top:8px;padding:11px 12px;border:1.5px solid var(--line);border-radius:12px;cursor:pointer;transition:.2s}
.qz-option:hover,.qz-option:has(input:checked){background:var(--soft);border-color:var(--blue-2)}
.qz-option input{accent-color:var(--blue);margin-top:6px;flex:none}
.qz-math{font-family:"Cambria Math",Cambria,Georgia,"Times New Roman",serif;font-size:19px}
.qz-actions{display:flex;gap:10px;flex-wrap:wrap;margin:18px 0}
.qz-actions .primary{flex:1}
.qz-result{border:2px solid var(--blue);scroll-margin-top:90px}
.qz-result[hidden]{display:none}
.qz-result h3{margin:0 0 6px}
.qz-score{font-size:40px;font-weight:800;color:var(--blue);line-height:1.1}
.qz-message{font-weight:600}
.qz-feedback{margin-top:12px;padding:12px 14px;border-radius:12px;background:#e8f6ef;color:#0b4d38}
.qz-feedback.wrong{background:#fff0e6;color:#7a3a10}
.qz-feedback strong{display:block;margin-bottom:4px}
.qz-feedback p{margin:6px 0 0}
@media(max-width:480px){.qz-actions .btn{width:100%}}
body.dark .qz-info,body.dark .qz-question,body.dark .qz-result{background:var(--surface);border-color:var(--line)}
body.dark .qz-option:hover,body.dark .qz-option:has(input:checked){background:#1b2f58}
body.dark .qz-feedback{background:#12382f;color:#bff0dc}body.dark .qz-feedback.wrong{background:#4a2a14;color:#ffd7b8}
@media print{.qz-actions{display:none!important}}

/* ===== Entrée par prénom (sans compte) ===== */
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.user-pill{font:inherit;font-weight:700;font-size:14px;padding:9px 16px;border-radius:999px;border:0;background:#e6efff;color:var(--blue);cursor:pointer;max-width:170px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;transition:background .2s,color .2s}
.user-pill:hover{background:var(--blue);color:#fff}
.user-pill[hidden]{display:none}
.welcome{position:fixed;inset:0;z-index:200;display:grid;place-items:center;padding:20px;background:rgba(10,29,77,.55);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);animation:wfade .3s both}
@keyframes wfade{from{opacity:0}}
.welcome-card{width:min(400px,100%);background:#fff;color:#0b1226;border-radius:26px;padding:30px 26px;text-align:center;box-shadow:0 30px 70px rgba(0,0,0,.35);animation:wpop .45s cubic-bezier(.2,.9,.3,1.2) both}
@keyframes wpop{from{opacity:0;transform:translateY(24px) scale(.94)}}
.welcome-ico{width:64px;height:64px;margin:0 auto 12px;border-radius:20px;display:grid;place-items:center;background:linear-gradient(135deg,#2f7bff,#1456f0);color:#fff;font:700 36px Georgia,serif;box-shadow:0 12px 24px rgba(20,86,240,.35)}
.welcome-card h2{margin:0 0 6px;font-size:26px}
.welcome-card p{margin:0 0 18px;color:#5b6788}
.welcome-card input{width:100%;height:52px;padding:0 18px;border:2px solid #dbe5f8;border-radius:14px;font:inherit;font-size:18px;text-align:center;background:#f6f9ff;color:#0b1226}
.welcome-card input:focus{outline:0;border-color:#2f7bff;background:#fff}
.welcome-err{margin-top:8px;color:#c2352f;font-size:14px;font-weight:600}
.welcome-card .btn{width:100%;margin-top:14px;justify-content:center;text-align:center}
.welcome-cancel{margin-top:10px;border:0;background:transparent;color:#5b6788;font:inherit;cursor:pointer;text-decoration:underline}
body.dark .user-pill{background:#1b2f58;color:#9fc0ff}
body.dark .user-pill:hover{background:var(--blue);color:#fff}
@media(max-width:820px){nav .user-pill{align-self:flex-start;margin:6px 12px}}
@media(prefers-reduced-motion:reduce){.welcome,.welcome-card{animation:none}}

/* ===== Cartes de quiz (accueil) ===== */
.quizcards{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.quizcard{position:relative;display:flex;flex-direction:column;align-items:flex-start;gap:4px;padding:26px;border-radius:24px;background:linear-gradient(135deg,#1456f0,#2f7bff 60%,#5b9bff);color:#fff;box-shadow:0 18px 40px rgba(20,86,240,.3);overflow:hidden;transition:transform .25s,box-shadow .25s}
.quizcard:before{content:"";position:absolute;right:-40px;top:-40px;width:160px;height:160px;border-radius:50%;background:rgba(255,255,255,.12)}
.quizcard:hover{transform:translateY(-6px);box-shadow:0 26px 50px rgba(20,86,240,.38)}
.quizcard h3{margin:8px 0 0;font-size:24px;line-height:1.2}
.quizcard p{margin:0 0 16px;opacity:.9}
.qc-ico{width:56px;height:56px;border-radius:16px;display:grid;place-items:center;background:rgba(255,255,255,.2);font:700 32px Georgia,serif}
.qc-level{font-size:12px;font-weight:800;letter-spacing:.06em;text-transform:uppercase;opacity:.9;margin-top:8px}
.qc-go{margin-top:auto;padding:10px 18px;border-radius:999px;background:#fff;color:#1456f0;font-weight:800;font-size:14px;transition:transform .2s}
.quizcard:hover .qc-go{transform:translateX(5px)}
.qc-badge{position:absolute;top:18px;right:18px;padding:4px 10px;border-radius:999px;background:#f58a2b;color:#fff;font-size:11px;font-weight:800;letter-spacing:.06em;animation:waPulse2 2s ease-in-out infinite}
@keyframes waPulse2{50%{transform:scale(1.08)}}
.quizcard.soon{background:#fff;color:var(--text);box-shadow:none;border:2px dashed #bcd0f7}
.quizcard.soon:before{display:none}
.quizcard.soon:hover{transform:none;box-shadow:none}
.quizcard.soon .qc-ico{background:var(--soft);color:var(--blue)}
.quizcard.soon p{color:var(--muted)}
.quizcard.soon .qc-go{background:var(--soft);color:var(--muted)}
body.dark .quizcard.soon{background:var(--surface);border-color:var(--line);color:var(--text)}
@media(max-width:820px){.quizcards{grid-template-columns:1fr}}
@media(prefers-reduced-motion:reduce){.qc-badge{animation:none}}

/* Quiz 20 questions : navigation une question à la fois */
.qz-top{display:flex;justify-content:space-between;gap:10px;font-size:14px}
.qz-top b{color:var(--navy)}.qz-answered{color:var(--muted)}
.qz-tag{display:inline-block;margin-bottom:8px;padding:4px 10px;border-radius:999px;background:var(--soft);color:var(--blue);font-size:12px;font-weight:800}
.qz-option.correct{background:#dcf6ea;border-color:#1fb58a}
.qz-option.wrong{background:#ffe3e3;border-color:#e5484d}
.qz-option input:disabled{opacity:.9}
.qz-who{font-weight:700;margin:0}.qz-note{font-size:13px;color:var(--muted)}
.qz-result{text-align:center}
.qz-actions button:disabled{opacity:.4;cursor:not-allowed}
.qz-actions [hidden]{display:none}
body.dark .qz-option.correct{background:#12382f}body.dark .qz-option.wrong{background:#4a1d20}
body.dark .qz-top b{color:#fff}
@media print{.qz-stage,.qz-info,.qz-actions,.qz-print{display:none!important}.qz-result{display:block!important;border:0}}

.quiz-sub{margin:30px 0 12px;font-size:20px;color:var(--navy)}
body.dark .quiz-sub{color:#fff}
.lesson-body .quizcards{margin-top:14px}
@media(max-width:820px){.lesson-body .quizcards{grid-template-columns:1fr}}
.welcome-card .welcome-priv{font-size:12.5px;color:#5b6788;margin:12px 0 0;line-height:1.5}

/* ===== Partage, prénom facultatif, examens ===== */
.sharebar{display:flex;align-items:center;justify-content:space-between;gap:22px;flex-wrap:wrap;padding:30px 34px;border-radius:26px;background:linear-gradient(120deg,#e6efff,#fff0e3);border:1px solid var(--line)}
.sharebar h2{margin:0 0 4px;font-size:clamp(22px,3.4vw,30px)}.sharebar p{margin:0;color:var(--muted);max-width:32em}
.share-actions{display:flex;gap:10px;flex-wrap:wrap}
.share-actions [hidden],.sharebar [hidden]{display:none!important}
.qz-share{display:flex;gap:10px;flex-wrap:wrap;justify-content:center;margin:14px 0}
.qz-nameask{margin:14px 0 0;padding:14px 16px;border-radius:14px;background:var(--soft);border:1.5px dashed #b7cdfa;font-size:14px}
.qz-nameask[hidden]{display:none}
.qz-nameask input{display:block;width:100%;margin-top:8px;height:44px;padding:0 14px;border:1.5px solid var(--line);border-radius:12px;font:inherit;background:#fff;color:var(--text)}
.exam-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:16px;margin-top:6px}
.exam-card{background:#fff;border:1px solid var(--line);border-radius:20px;padding:22px;box-shadow:0 8px 22px rgba(20,60,160,.06)}
.exam-card h3{margin:6px 0 14px;font-size:22px}
.exam-card .qc-level{color:var(--blue);opacity:1}
.exam-actions{display:flex;flex-direction:column;gap:8px}
.exam-actions .btn{text-align:center;padding:11px 16px;font-size:14px}
.filters select{font:inherit;padding:9px 12px;border:1.5px solid var(--line);border-radius:12px;background:#fff;margin:0 8px 8px 0}
.stats-note{margin-top:8px;font-size:12px;opacity:.75;max-width:640px;margin-inline:auto}
body.dark .sharebar{background:linear-gradient(120deg,#12213f,#2a1f17);border-color:var(--line)}
body.dark .qz-nameask{background:#16284a;border-color:#2c4a8a}
body.dark .qz-nameask input,body.dark .exam-card,body.dark .filters select{background:var(--surface);color:var(--text);border-color:var(--line)}
@media print{.sharebar,.qz-share,.qz-nameask{display:none!important}}

/* ===== Page « Cours & exercices » (tableau de leçons) ===== */
.c-toolbar{display:flex;gap:12px;flex-wrap:wrap;align-items:center;margin:0 0 8px}
.c-toolbar input{flex:1 1 240px;height:48px;padding:0 16px;border:1.5px solid var(--line);border-radius:14px;font:inherit;background:#fff;color:var(--text)}
.c-toolbar input:focus{outline:2px solid var(--blue-2)}
.pill{font:inherit;font-weight:700;padding:10px 18px;border-radius:999px;border:1.5px solid var(--line);background:#fff;color:var(--text);cursor:pointer;transition:.2s}
.pill:hover{border-color:var(--blue-2)}.pill.on{background:var(--blue);border-color:var(--blue);color:#fff}
.c-count{font-size:13px;color:var(--muted);margin:0 0 6px}
.c-group{margin:30px 0 12px;font-size:21px;color:#d9363e}
.c-table-wrap{background:#fff;border:1px solid var(--line);border-radius:18px;overflow-x:auto;box-shadow:0 8px 24px rgba(20,60,160,.06)}
.c-table{width:100%;border-collapse:collapse}
.c-table th{padding:14px 12px;background:#eef3ff;color:var(--navy);font-size:15px;text-align:center;white-space:nowrap}
.c-table th.c-th-title{text-align:left}
.c-table td{padding:12px;text-align:center;border-top:1px solid var(--line)}
.c-table tr:nth-child(even) td{background:#fafcff}
.c-table td.c-title{text-align:left;font-weight:700;min-width:200px}
.c-title a{color:var(--navy)}.c-title a:hover{color:var(--blue);text-decoration:underline}
.dl{display:inline-block;padding:10px 16px;border-radius:10px;color:#fff;font-weight:700;font-size:14px;white-space:nowrap;transition:transform .15s,filter .15s}
.dl:hover{transform:translateY(-2px);filter:brightness(1.08)}
.b-cours{background:#1456f0}.b-resume{background:#0f9aa8}.b-exo{background:#1fa24f}.b-devoir{background:#f58a2b}.b-quiz{background:#6b5cf0}
.b-none{display:inline-block;min-width:54px;padding:10px 0;border-radius:10px;background:#f0f2f6;color:#b5bccb}
.c-empty{padding:34px;text-align:center;color:var(--muted)}
body.dark .c-toolbar input,body.dark .pill,body.dark .c-table-wrap{background:var(--surface);color:var(--text);border-color:var(--line)}
body.dark .pill.on{background:var(--blue);color:#fff}
body.dark .c-table th{background:#16284a;color:#dbe6ff}body.dark .c-table tr:nth-child(even) td{background:#101a2e}
body.dark .c-table td{border-color:var(--line)}body.dark .c-title a{color:#fff}body.dark .b-none{background:#1d2a44;color:#5a6785}
body.dark .c-group{color:#ff8a8f}
@media(max-width:760px){
  .c-table thead{display:none}
  .c-table,.c-table tbody,.c-table tr{display:block}
  .c-table tr{padding:14px 14px 12px;border-top:1px solid var(--line);display:flex;flex-wrap:wrap;gap:8px}
  .c-table tr:first-child{border-top:0}
  .c-table td{display:block;padding:0;border:0;background:none!important;text-align:left}
  .c-table td.c-title{flex:1 0 100%;min-width:0;font-size:17px;margin-bottom:2px}
  .c-table td:not(.c-title){flex:1 1 calc(50% - 8px)}
  .c-table td.na{display:none}
  .dl{display:block;text-align:center;padding:11px 8px}
}
@media print{.c-toolbar{display:none}}

/* ===== Tableau « Cours & exercices » — style maquette ===== */
.c-banner-wrap{width:min(1100px,94%);margin:6px auto 0}
.c-banner{position:relative;overflow:hidden;display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;padding:30px 34px 30px 150px;border-radius:22px;border:1px solid #d6e8fb;background:linear-gradient(100deg,#e4f3ff,#f2f9ff 55%,#eaf5ff);box-shadow:0 10px 30px rgba(20,100,200,.08)}
.c-banner:before{content:"";position:absolute;left:0;top:0;bottom:0;width:240px;background:linear-gradient(135deg,rgba(40,170,255,.65),rgba(120,200,255,.28) 55%,transparent);clip-path:polygon(0 0,80% 0,38% 100%,0 100%)}
.c-banner:after{content:"";position:absolute;left:0;bottom:0;width:200px;height:70%;background:linear-gradient(160deg,rgba(255,255,255,.45),transparent);clip-path:polygon(0 30%,100% 100%,0 100%)}
.c-banner>*{position:relative;z-index:1}
.c-brand{font-size:clamp(24px,3.6vw,38px);font-weight:800;color:#0a2a5e;letter-spacing:-.02em;line-height:1.1}
.c-banner-l p{margin:8px 0 0;color:#47608a;letter-spacing:.2em;font-size:clamp(12px,1.6vw,16px);text-transform:none}
.c-banner-l p i{font-style:normal;margin:0 .6em;color:#8fb0d8}
.c-banner-r{display:flex;align-items:center;gap:16px}
.c-banner-r h1{margin:0;padding-bottom:6px;font-size:clamp(22px,3vw,32px);color:#0a2a5e;border-bottom:3px solid #12a9f0;line-height:1.2}
.c-group{margin:28px 0 12px;font-size:20px;color:#0a2a5e;display:flex;align-items:center;gap:10px}
.c-group:before{content:"";width:6px;height:22px;border-radius:4px;background:#12a9f0}
.c-table-wrap{border:1px solid #d6e8fb;border-radius:20px;box-shadow:0 12px 32px rgba(20,100,200,.08)}
.c-table th{background:#e8f4ff;color:#0a2a5e;font-size:16px;padding:16px 10px;border-left:1px solid #d6e8fb}
.c-table th:first-child{border-left:0}
.th-in{display:inline-flex;align-items:center;gap:9px}.th-in .ic{display:inline-flex;color:#0a4f9e}
.c-table td{border-top:1px solid #e1edfb;border-left:1px solid #e1edfb;padding:14px 12px}
.c-table td:first-child{border-left:0}
.c-table tr:nth-child(even) td{background:#eef6ff}
.c-table td.c-title{font-weight:600;font-size:16px}
.dl{display:inline-flex;align-items:center;justify-content:center;gap:9px;padding:12px 16px;border-radius:14px;font-weight:700;font-size:15px;min-width:132px;box-shadow:0 4px 10px rgba(10,40,100,.12)}
.dl .ic{display:inline-flex}.dl .ic svg{width:19px;height:19px}
.b-cours{background:#0b4f9e}.b-resume{background:#0a9fb4}.b-exo{background:#1da35d}.b-exam{background:#7a3db3}.b-quiz{background:#10a8f0}
.b-none{min-width:96px;border-radius:14px;background:#f0f3f8;color:#aab3c4}
body.dark .c-banner{background:linear-gradient(100deg,#10233f,#142b4d);border-color:var(--line)}
body.dark .c-brand,body.dark .c-banner-r h1,body.dark .c-group{color:#fff}
body.dark .c-banner-l p{color:#a9bfe3}
body.dark .c-table th{background:#16284a;color:#dbe6ff;border-color:var(--line)}body.dark .th-in .ic{color:#8fc0ff}
body.dark .c-table td{border-color:var(--line)}body.dark .c-table tr:nth-child(even) td{background:#101a2e}
@media(max-width:760px){
  .c-banner{padding:24px 20px 22px 24px}.c-banner:before{width:120px}
  .c-banner-r{width:100%}
  .c-table th,.c-table td{border-left:0}
  .c-table td:not(.c-title){flex:1 1 calc(50% - 8px);border-top:0}
  .c-table tr:nth-child(even){background:#eef6ff}body.dark .c-table tr:nth-child(even){background:#101a2e}
  .dl{min-width:0;width:100%;padding:12px 8px}
}
@media(min-width:900px){
  .c-banner{flex-wrap:nowrap;padding-left:130px}
  .c-brand{font-size:clamp(24px,2.7vw,32px);white-space:nowrap}
  .c-banner-r h1{font-size:clamp(20px,2.2vw,26px);white-space:nowrap}
}

/* ===== Collège / Lycée : choix du cycle + cartes des niveaux du lycée ===== */
.pill-row{display:flex;gap:8px;flex-wrap:wrap}
.pill-row[hidden],.cycle-pick[hidden],.c-count[hidden]{display:none}
#cLevels{margin:10px 0 4px}
.c-toolbar .pill-row{flex:0 0 auto}

.cycle-pick{margin:18px 0 8px}
.cycle-pick h2{margin:0 0 14px;font-size:22px;color:#0a2a5e}
.cycle-cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:20px}
.cycle-card{display:flex;align-items:center;gap:18px;padding:30px 28px;border-radius:22px;color:#17224a;box-shadow:0 10px 28px rgba(20,60,160,.08);transition:transform .25s,box-shadow .25s}
.cycle-card:hover{transform:translateY(-5px);box-shadow:0 18px 40px rgba(20,60,160,.16)}
.cycle-card:focus-visible{outline:3px solid var(--blue-2);outline-offset:3px}
.cy-college{background:linear-gradient(120deg,#cfe0ff,#e8f0ff)}
.cy-lycee{background:linear-gradient(120deg,#e3dcff,#f2eeff)}
.cy-univ{background:linear-gradient(120deg,#ffdcc4,#fff0e5)}
.cy-ico{flex:none;width:72px;height:72px}.cy-ico svg{width:100%;height:100%}
.cy-txt{flex:1;min-width:0}
.cy-txt b{display:block;font-size:30px;line-height:1.1;letter-spacing:-.02em}
.cy-txt small{display:block;margin-top:6px;font-size:15px;color:#2b3858}
.cycle-card>i{flex:none;font-style:normal;width:50px;height:50px;border-radius:50%;background:#fff;display:grid;place-items:center;font-size:22px;box-shadow:0 6px 16px rgba(20,60,160,.12);transition:transform .25s,background .25s,color .25s}
.cycle-card:hover>i{transform:translateX(5px);background:var(--blue);color:#fff}
body.dark .cycle-pick h2{color:#fff}
body.dark .cy-college{background:linear-gradient(120deg,#152a57,#1a3166)}
body.dark .cy-lycee{background:linear-gradient(120deg,#2a2150,#33295f)}
body.dark .cy-univ{background:linear-gradient(120deg,#4a2a14,#3b2615)}
body.dark .cycle-card{color:#eef4ff}body.dark .cy-txt small{color:#c9d3ea}
body.dark .cycle-card>i{background:#0b1220;color:#eef4ff}
@media(max-width:700px){.cycle-cards{grid-template-columns:1fr}.cycle-card{padding:22px 20px}.cy-txt b{font-size:26px}}

/* Accueil : en-têtes « Collège » / « Lycée » et couleurs des 3 cartes du lycée */
.cycle-head{display:flex;align-items:baseline;justify-content:space-between;gap:12px;flex-wrap:wrap;margin:34px 0 14px}
.cycle-head:first-of-type{margin-top:8px}
.cycle-head h3{margin:0;font-size:24px;color:var(--navy)}
.cycle-head a{font-weight:700;font-size:15px;color:var(--blue)}.cycle-head a:hover{text-decoration:underline}
body.dark .cycle-head h3{color:#fff}body.dark .cycle-head a{color:#9fc0ff}
.level-card.c4{background:linear-gradient(120deg,#e3dcff,#f2eeff)}
.level-card.c5{background:linear-gradient(120deg,#cdeef2,#e6f7f9)}
.level-card.c6{background:linear-gradient(120deg,#ffd9e2,#fff0f4)}
.level-card.c4 h3{color:#5a3fd0}.level-card.c5 h3{color:#0a7f8c}.level-card.c6 h3{color:#c22a57}
body.dark .level-card.c4{background:linear-gradient(120deg,#2a2150,#33295f)}
body.dark .level-card.c5{background:linear-gradient(120deg,#0f3a40,#14464d)}
body.dark .level-card.c6{background:linear-gradient(120deg,#4a1f2e,#3d1a27)}

/* Parcours Cours : fil d'Ariane + étapes (niveau, filière, titre) */
.c-trail{display:flex;flex-wrap:wrap;align-items:center;gap:6px;margin:6px 0 14px;font-size:14px}
.c-trail button{font:inherit;font-weight:700;color:var(--blue);background:none;border:0;padding:4px 2px;cursor:pointer}
.c-trail button:hover{text-decoration:underline}.c-trail .sep{color:var(--muted)}.c-trail b{color:var(--text)}
.c-trail[hidden]{display:none}.subj-pick[hidden]{display:none}
html[dir=rtl] .c-trail .sep{display:inline-block;transform:scaleX(-1)}

/* ── Annonce : inscription au soutien (page d'accueil) ── */
.soutien-promo{padding:22px 0 6px}
.sp-card{position:relative;overflow:hidden;display:flex;align-items:center;gap:22px;flex-wrap:wrap;padding:26px 30px;border-radius:22px;background:linear-gradient(110deg,#0b7a4f,#12a46a 55%,#5cc98a);color:#fff;box-shadow:0 14px 34px rgba(8,127,91,.28)}
.sp-card:before{content:"∑ √ π";position:absolute;right:-10px;top:-18px;font:800 110px/1 Georgia,serif;letter-spacing:.1em;color:rgba(255,255,255,.09);pointer-events:none}
.sp-badge{align-self:flex-start;background:#fff;color:#0b7a4f;font-weight:800;font-size:13px;padding:6px 13px;border-radius:999px;animation:spPulse 2s ease-in-out infinite}
.sp-txt{flex:1 1 320px;position:relative}
.sp-txt h2{margin:0 0 8px;font-size:clamp(20px,3vw,28px);color:#fff}
.sp-txt p{margin:0 0 12px;line-height:1.6;color:rgba(255,255,255,.95)}
.sp-lv{display:flex;gap:8px;flex-wrap:wrap}.sp-lv span{background:rgba(255,255,255,.18);border:1px solid rgba(255,255,255,.4);padding:4px 12px;border-radius:999px;font-weight:700;font-size:13px}
.sp-btn{position:relative;flex:none;background:#fff;color:#0b7a4f;font-weight:800;padding:14px 24px;border-radius:14px;text-decoration:none;box-shadow:0 6px 16px rgba(0,0,0,.18);transition:transform .15s}
.sp-btn:hover{transform:translateY(-2px)}
@keyframes spPulse{0%,100%{box-shadow:0 0 0 0 rgba(255,255,255,.6)}50%{box-shadow:0 0 0 8px rgba(255,255,255,0)}}
@media(max-width:700px){.sp-card{padding:22px 20px}.sp-btn{width:100%;text-align:center}}
@media(prefers-reduced-motion:reduce){.sp-badge{animation:none}}