:root{
  --orange:#283593;--orange-c:#9fa8da;--noir:#1c1c1c;--gris:#f5f5f5;
  --rouge:#283593;--vert:#1b5e20;--vert-bg:#e8f5e9;--carte:#ffffff;--texte:#212121;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;font-family:'Segoe UI',system-ui,-apple-system,sans-serif;background:var(--gris);color:var(--texte);line-height:1.55}

/* ---------- barre de navigation ---------- */
header.top{position:sticky;top:0;z-index:50;background:var(--noir);color:#fff;
  padding:10px 16px;display:flex;align-items:center;gap:14px;border-bottom:3px solid var(--orange)}
header.top .logo{display:flex;align-items:center;gap:10px;white-space:nowrap}
header.top .logo img{height:56px;width:auto;background:#fff;border-radius:10px;padding:5px 12px;display:block}
header.top .logo span{color:#fff;font-weight:700;font-size:.98em;letter-spacing:.4px}
header.top .logo span b{color:var(--orange-c)}
nav.main{margin-left:auto;display:flex;gap:4px;flex-wrap:wrap}
nav.main a{color:#ddd;text-decoration:none;padding:7px 12px;border-radius:8px;font-size:.95em;white-space:nowrap}
nav.main a.actif,nav.main a:hover{background:var(--orange);color:#fff}

.wrap{max-width:980px;margin:0 auto;padding:20px 16px 90px}

/* ---------- accueil ---------- */
.hero{background:linear-gradient(135deg,var(--noir) 0%,#333 100%);color:#fff;border-radius:16px;
  padding:34px 26px;margin-bottom:22px;border-left:8px solid var(--orange)}
.hero h1{margin:0 0 6px;font-size:1.7em}
.hero .sous{color:var(--orange-c);font-size:1.1em;font-weight:600}
.hero p{color:#ccc;margin:12px 0 0;font-size:.95em}
.cartes{display:grid;grid-template-columns:repeat(auto-fit,minmax(270px,1fr));gap:18px}
.carte{background:var(--carte);border-radius:18px;padding:0;text-decoration:none;color:var(--texte);
  box-shadow:0 6px 24px rgba(0,0,0,.18);display:block;overflow:hidden;
  transition:transform .18s ease,box-shadow .18s ease}
.carte:hover{transform:translateY(-5px);box-shadow:0 12px 34px rgba(0,0,0,.28)}
.carte-img{height:172px;background-size:cover;background-position:center;transition:transform .4s ease}
.carte:hover .carte-img{transform:scale(1.06)}
.carte-cadre{overflow:hidden}
.carte-corps{padding:0 20px 20px}
.carte .chip{width:52px;height:52px;border-radius:14px;background:#fff;color:var(--orange);
  display:flex;align-items:center;justify-content:center;margin-top:-26px;position:relative;
  box-shadow:0 4px 14px rgba(0,0,0,.18);border:1px solid #f0f0f0}
.carte .chip svg{width:28px;height:28px}
.carte h2{margin:10px 0 6px;font-size:1.22em;color:var(--noir)}
.carte p{margin:0;color:#555;font-size:.92em}
.carte .chiffre{display:inline-block;background:#e8eaf6;color:var(--orange);font-weight:700;
  border-radius:6px;padding:2px 10px;margin-top:12px;font-size:.85em}
.bandeau{background:#e8eaf6;border:1px solid #9fa8da;border-radius:12px;padding:14px 18px;margin:20px 0;font-size:.92em}

/* ---------- cours ---------- */
h1.page{color:var(--noir);border-bottom:3px solid var(--orange);padding-bottom:8px}
.module{background:var(--carte);border-radius:14px;box-shadow:0 2px 8px rgba(0,0,0,.07);
  margin:18px 0;overflow:hidden}
.module>button.tete{width:100%;text-align:left;background:var(--noir);color:#fff;border:0;
  padding:14px 18px;font-size:1.04em;font-weight:700;cursor:pointer;display:flex;gap:12px;align-items:center;font-family:inherit}
.module>button.tete .num{background:var(--orange);border-radius:8px;min-width:34px;height:34px;
  display:inline-flex;align-items:center;justify-content:center;font-size:1em;flex-shrink:0}
.module>button.tete .fleche{margin-left:auto;transition:transform .2s}
.module.ouvert>button.tete .fleche{transform:rotate(90deg)}
.module .corps{display:none;padding:6px 20px 20px}
.module.ouvert .corps{display:block}
.corps h3{color:var(--orange);border-left:4px solid var(--orange);padding-left:10px;margin-top:26px}
.corps h4{margin-bottom:4px}
.obj{background:#e8eaf6;border:1px solid #9fa8da;border-radius:10px;padding:10px 16px;font-size:.94em}
.obj b{color:var(--orange)}
.cle{background:var(--vert-bg);border-left:5px solid var(--vert);padding:10px 14px;border-radius:0 10px 10px 0;margin:14px 0}
.alerte{background:#f6f7fd;border:2px solid var(--rouge);padding:10px 14px;border-radius:10px;margin:14px 0}
.alerte::before{content:'⚠ ';font-weight:700;color:var(--rouge)}
.src{color:#777;font-size:.84em;font-style:italic}
table{border-collapse:collapse;width:100%;margin:12px 0;font-size:.93em}
th{background:var(--noir);color:#fff;padding:7px 10px;text-align:left}
td{border:1px solid #ddd;padding:6px 10px;background:#fff}
tr:nth-child(even) td{background:#fafafa}
.scroll-x{overflow-x:auto}
.media-bloc{background:#f1f1f1;border:1px dashed #aaa;border-radius:12px;padding:12px 16px;margin:16px 0}
.media-bloc h5{margin:0 0 8px;font-size:.98em}
.media-bloc h5::before,.media-bloc.photo h5::before,.qref::before{content:'';display:inline-block;
  width:18px;height:18px;margin-right:7px;vertical-align:-3.5px;background:no-repeat center/contain}
.media-bloc h5::before{background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23e65100' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'%3E%3Ccircle cx='12' cy='12' r='9.5'/%3E%3Cpath d='M10 8.5l5.5 3.5-5.5 3.5z' fill='%23e65100'/%3E%3C/svg%3E")}
.media-bloc.photo h5::before{background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23e65100' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M3 8.5A1.5 1.5 0 0 1 4.5 7H8l2-2.5h4L16 7h3.5A1.5 1.5 0 0 1 21 8.5V18a1.5 1.5 0 0 1-1.5 1.5h-15A1.5 1.5 0 0 1 3 18z'/%3E%3Ccircle cx='12' cy='13' r='3.5'/%3E%3C/svg%3E")}
video{width:100%;max-width:640px;border-radius:10px;background:#000;display:block;margin:8px 0}
.yt{position:relative;width:100%;max-width:640px;aspect-ratio:16/9;margin:8px 0}
.yt iframe{position:absolute;inset:0;width:100%;height:100%;border:0;border-radius:10px}
img.ill{max-width:100%;border-radius:10px;border:1px solid #ccc;margin:8px 0;display:block}
.legende{font-size:.87em;color:#555;margin-top:-2px}
.couleur{display:inline-block;width:14px;height:14px;border-radius:3px;border:1px solid #999;vertical-align:-2px;margin-right:6px}
.qref{background:#ede7f6;border-radius:8px;padding:8px 14px;font-size:.88em;margin:12px 0}
.qref::before{content:'📝 ';font-weight:700}

/* ---------- QCM révision ---------- */
.filtres{background:var(--carte);border-radius:12px;padding:14px 16px;box-shadow:0 2px 8px rgba(0,0,0,.07);
  display:flex;flex-wrap:wrap;gap:10px;align-items:center;position:sticky;top:56px;z-index:40}
.filtres select,.filtres input[type=search]{padding:8px 10px;border:1px solid #ccc;border-radius:8px;font-size:.95em;font-family:inherit}
.filtres input[type=search]{flex:1;min-width:140px}
.seg{display:inline-flex;border:1px solid var(--orange);border-radius:10px;overflow:hidden}
.seg button{border:0;background:#fff;color:var(--orange);padding:8px 14px;font-weight:700;cursor:pointer;font-size:.92em;font-family:inherit}
.seg button.actif{background:var(--orange);color:#fff}
.compteur{font-size:.85em;color:#666;width:100%}
.q-carte{background:var(--carte);border-radius:12px;box-shadow:0 2px 6px rgba(0,0,0,.07);
  padding:16px 18px;margin:14px 0;border-left:5px solid #ddd}
.q-carte.prio{border-left-color:var(--rouge)}
.q-carte .entete{display:flex;gap:8px;align-items:center;flex-wrap:wrap;margin-bottom:6px}
.q-carte .qid{color:#999;font-size:.8em}
.badge-prio{background:var(--rouge);color:#fff;border-radius:5px;padding:1px 8px;font-size:.75em;font-weight:700}
.badge-theme{background:#eee;color:#555;border-radius:5px;padding:1px 8px;font-size:.75em}
.q-carte p.txt{font-weight:600;margin:6px 0 10px}
.q-carte img.qimg{max-width:300px;max-height:230px;border:1px solid #ccc;border-radius:8px;margin:4px 8px 8px 0}
ul.choix{list-style:none;padding:0;margin:0 0 10px}
ul.choix li{padding:7px 12px;border:1px solid #e0e0e0;border-radius:8px;margin:6px 0;font-size:.95em}
.q-carte.revele li.bonne{background:var(--vert-bg);border-color:var(--vert);font-weight:700}
button.voir{background:var(--orange);color:#fff;border:0;border-radius:8px;padding:8px 16px;
  font-weight:700;cursor:pointer;font-size:.9em;font-family:inherit}
.reponse-bloc{display:none;background:var(--vert-bg);border-radius:8px;padding:8px 12px;font-size:.9em;margin-top:8px}
.q-carte.revele .reponse-bloc{display:block}
.q-carte.revele button.voir{display:none}

/* ---------- examen ---------- */
.exam-conf{background:var(--carte);border-radius:14px;padding:24px;box-shadow:0 2px 8px rgba(0,0,0,.08);max-width:620px;margin:0 auto}
.profil-choix{display:grid;gap:12px;margin:16px 0}
.profil-choix button{display:flex;flex-direction:column;align-items:flex-start;gap:2px;background:#fff;
  border:2px solid #ddd;border-radius:12px;padding:14px 18px;cursor:pointer;font-size:1em;text-align:left;font-family:inherit}
.profil-choix button:hover{border-color:var(--orange)}
.profil-choix b{color:var(--noir);font-size:1.06em}
.profil-choix small{color:#666}
.exam-barre{display:flex;align-items:center;gap:12px;background:var(--carte);border-radius:12px;
  padding:10px 16px;box-shadow:0 2px 8px rgba(0,0,0,.07);position:sticky;top:56px;z-index:40;flex-wrap:wrap}
.exam-barre .prog{flex:1;height:10px;background:#eee;border-radius:6px;overflow:hidden;min-width:120px}
.exam-barre .prog i{display:block;height:100%;background:var(--orange);border-radius:6px}
.exam-q{background:var(--carte);border-radius:14px;padding:20px;box-shadow:0 2px 8px rgba(0,0,0,.08);margin:16px 0}
.exam-q .txt{font-weight:700;font-size:1.05em}
.exam-q img.qimg{max-width:320px;max-height:250px;border:1px solid #ccc;border-radius:8px;margin:8px 0}
.opts{display:grid;gap:10px;margin:14px 0}
.opts button{text-align:left;background:#fff;border:2px solid #ddd;border-radius:10px;padding:12px 16px;
  cursor:pointer;font-size:.98em;font-family:inherit;line-height:1.4}
.opts button.sel{border-color:var(--orange);background:#e8eaf6}
.opts button.nsp{border-style:dashed;color:#666}
.exam-nav{display:flex;gap:10px;justify-content:space-between;margin-top:16px}
.btn{background:var(--orange);color:#fff;border:0;border-radius:10px;padding:11px 22px;font-weight:700;cursor:pointer;font-size:.98em;font-family:inherit}
.btn.sec{background:#fff;color:var(--orange);border:2px solid var(--orange)}
.btn:disabled{opacity:.4;cursor:default}
.resultat{background:var(--carte);border-radius:14px;padding:26px;box-shadow:0 2px 8px rgba(0,0,0,.08);text-align:center}
.resultat .score{font-size:2.6em;font-weight:800}
.resultat.ok .score{color:var(--vert)}
.resultat.ko .score{color:var(--rouge)}
.verdict{font-size:1.2em;font-weight:700;margin:6px 0 14px}
.detail-corr{text-align:left;margin-top:20px}
.corr{border-radius:10px;padding:12px 14px;margin:10px 0;font-size:.93em;border:1px solid #ddd}
.corr.bon{background:var(--vert-bg);border-color:var(--vert)}
.corr.faux{background:#e8eaf6;border-color:#9fa8da}
.corr.blanc{background:#f5f5f5}
.corr .lib{font-weight:600}
.corr .pts{float:right;font-weight:800}

/* ---------- écran de verrouillage (code d'accès) ---------- */
#verrou{position:fixed;inset:0;z-index:1000;background:linear-gradient(135deg,var(--noir) 0%,#333 100%);
  display:flex;align-items:center;justify-content:center;padding:20px}
.verrou-boite{background:#fff;border-radius:16px;padding:32px 28px;max-width:400px;width:100%;
  text-align:center;border-top:6px solid var(--orange);box-shadow:0 10px 40px rgba(0,0,0,.4)}
.verrou-logo{margin-bottom:10px}
.verrou-logo img{height:96px;width:auto}
.verrou-logo .st{font-weight:700;color:var(--noir);margin-top:6px;font-size:1.05em}
.verrou-logo .st b{color:var(--orange)}
.verrou-boite p{color:#444;font-size:.95em}
#verrouForm{display:flex;flex-direction:column;gap:6px;margin:18px 0 4px;text-align:left}
#verrouForm label{font-weight:700;color:var(--noir);font-size:.85em;margin-top:6px}
#verrouEmail,#verrouCode{width:100%;padding:12px 14px;border:2px solid #ccc;border-radius:10px;
  font-size:1.02em;box-sizing:border-box;font-family:inherit}
#verrouEmail:focus,#verrouCode:focus{border-color:var(--orange);outline:none}
#verrouForm button{width:100%;background:var(--orange);color:#fff;border:0;border-radius:10px;
  padding:14px 20px;font-weight:700;cursor:pointer;font-size:1.05em;font-family:inherit;margin-top:10px}
.verrou-err{color:var(--rouge);font-weight:700;min-height:22px;font-size:.9em}
.verrou-aide{color:#888;font-size:.8em;margin-top:8px}

footer.bas{background:var(--noir);color:#aaa;padding:18px;font-size:.8em;text-align:center;margin-top:40px}
footer.bas a{color:var(--orange-c)}
footer.bas .credit{margin-top:10px;padding-top:10px;border-top:1px solid #3a3a3a;color:#888}
footer.bas .credit a{color:#ddd;text-decoration:none}
footer.bas .credit a:hover{color:var(--orange-c)}
@media(max-width:640px){
  header.top{flex-wrap:wrap;padding:8px 10px}
  nav.main{margin-left:0;width:100%;justify-content:space-between}
  nav.main a{padding:6px 8px;font-size:.88em}
  .filtres{top:96px}
  .exam-barre{top:96px}
}
@media print{header.top,.filtres,button.voir{display:none}}

/* ---------- carrousel d'images en fond ---------- */
.fond{position:fixed;inset:0;z-index:-2;background:#111}
.fond div{position:absolute;inset:0;background-size:cover;background-position:center;
  opacity:0;transition:opacity 2s ease;transform:scale(1.02)}
.fond div.actif{opacity:1;animation:kenburns 14s ease-in-out infinite alternate}
.fond::after{content:'';position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(15,15,15,.82) 0%,rgba(15,15,15,.68) 45%,rgba(15,15,15,.88) 100%)}
@keyframes kenburns{from{transform:scale(1.02)}to{transform:scale(1.12)}}
body.avec-fond{background:transparent}
body.avec-fond .hero{background:rgba(28,28,28,.55);backdrop-filter:blur(3px);
  border:1px solid rgba(255,255,255,.12);border-left:8px solid var(--orange)}
body.avec-fond footer.bas{background:rgba(15,15,15,.85)}
body.avec-fond .bandeau{background:rgba(255,243,224,.95)}
.points{display:flex;gap:8px;justify-content:center;margin:18px 0 4px}
.points span{width:9px;height:9px;border-radius:50%;background:rgba(255,255,255,.35);transition:all .3s}
.points span.actif{background:var(--orange);transform:scale(1.3)}

/* stats animées de l'accueil */
.stats{display:flex;gap:14px;flex-wrap:wrap;margin-top:18px}
.stat{background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.2);border-radius:12px;
  padding:10px 18px;text-align:center;color:#fff;flex:1;min-width:110px}
.stat b{display:block;font-size:1.6em;color:var(--orange-c)}
.stat small{color:#ddd;font-size:.78em}

/* apparition douce des cartes */
@keyframes surgir{from{opacity:0;transform:translateY(18px)}to{opacity:1;transform:none}}
.carte{animation:surgir .5s ease both}
.carte:nth-child(2){animation-delay:.12s}
.carte:nth-child(3){animation-delay:.24s}

/* ---------- progression du cours ---------- */
.progression{background:var(--carte);border-radius:12px;padding:14px 18px;margin:14px 0 20px;
  box-shadow:0 2px 8px rgba(0,0,0,.07)}
.progression .libelle{display:flex;justify-content:space-between;font-size:.92em;margin-bottom:8px}
.progression .libelle b{color:var(--orange)}
.progression .barre{height:12px;background:#eee;border-radius:8px;overflow:hidden}
.progression .barre i{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--orange),var(--orange-c));
  border-radius:8px;transition:width .6s ease}
button.terminer{display:block;margin:22px auto 4px;background:#fff;color:var(--vert);
  border:2px solid var(--vert);border-radius:10px;padding:10px 22px;font-weight:700;
  cursor:pointer;font-size:.95em;font-family:inherit;transition:all .2s}
button.terminer:hover{background:var(--vert-bg)}
button.terminer.fait{background:var(--vert);color:#fff}
.module.fait > button.tete .num{background:var(--vert)}
.module.fait > button.tete .num::after{content:' ✓'}
.module > button.tete:hover{background:#2b2b2b}

/* ---------- boutons voix (type code de la route) ---------- */
.voix{display:inline-flex;gap:6px;align-items:center;margin-left:auto}
.voix button{border:2px solid var(--orange);background:#fff;color:var(--orange);border-radius:8px;
  padding:6px 10px;font-weight:700;cursor:pointer;font-size:.85em;font-family:inherit}
.voix button.on{background:var(--orange);color:#fff}
#voixRelire{font-size:1em;padding:6px 9px}

/* résultat révision : contrôle des erreurs */
.score-simple{font-size:2.4em;font-weight:800}
.corr img.qimg{max-width:260px;max-height:200px;border:1px solid #ccc;border-radius:8px;margin:6px 0;display:block}
.corr .officielle{background:#fff;border:1px solid #9fa8da;border-radius:8px;padding:6px 10px;margin-top:6px}
.filtre-resultat{display:flex;gap:10px;flex-wrap:wrap;justify-content:center;margin:14px 0}