[hidden] { display: none !important; }
/* Mise en page : en-tête fin · fiche = illustration fixe à gauche + cartes à droite ; mobile = empilé + barre de navigation fixe en bas.
   Univers unique, celui du livret : bleu nuit, accent cyan, rose pour « À retenir ». */
:root {
  color-scheme: dark;
  --nuit: #04141e;
  --nuit-2: #0a2230;
  --carte: #0b1f2b;
  --trait: rgba(125, 214, 236, .22);
  --cyan: #7dd6ec;
  --rose: #e9a6c8;
  --ambre: #e3a948;
  --texte: #e6eff3;
  --doux: #9fb6c1;
  --serif: "Source Serif 4", "Times New Roman", Georgia, serif;
  --sans: "Lato", "Segoe UI", Verdana, sans-serif;
  --barre-h: 64px;
}
* { box-sizing: border-box; }
html, body { background: var(--nuit); color: var(--texte); }
body { font-family: var(--sans); font-size: 16px; line-height: 1.6; -webkit-font-smoothing: antialiased; }
a { color: inherit; }
button { font: inherit; color: inherit; }
:focus-visible { outline: 2px solid var(--cyan); outline-offset: 3px; border-radius: 4px; }
.etiquette { font-family: var(--sans); font-size: .72rem; letter-spacing: .16em; text-transform: uppercase; color: var(--cyan); }

/* ---------- En-tête ---------- */
.entete {
  position: sticky; top: env(safe-area-inset-top, 0px); z-index: 20;
  background: color-mix(in srgb, var(--nuit) 92%, transparent);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--trait);
}
.entete-in { max-width: 1240px; margin: 0 auto; padding: 12px 20px; display: flex; align-items: center; gap: 18px; }
.logo { display: flex; align-items: center; gap: 10px; text-decoration: none; line-height: 1.25; white-space: nowrap; flex: none; }
.logo img { height: 44px; width: auto; display: block; }
.logo small { font-family: var(--sans); font-size: .6rem; letter-spacing: .16em; color: var(--cyan); padding-left: 10px; border-left: 1px solid var(--trait); }
.fil { flex: 1; min-width: 0; display: flex; align-items: center; gap: 10px; color: var(--doux); font-size: .85rem; overflow: hidden; }
.fil a { text-decoration: none; color: var(--cyan); white-space: nowrap; }
.fil span { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.progres { display: flex; align-items: center; gap: 10px; font-size: .8rem; color: var(--doux); font-variant-numeric: tabular-nums; white-space: nowrap; }
.progres-barre { width: 90px; height: 3px; background: var(--trait); border-radius: 2px; overflow: hidden; }
.progres-barre i { display: block; height: 100%; background: var(--cyan); }
.btn-menu { background: none; border: 1px solid var(--trait); border-radius: 8px; padding: 7px 12px; cursor: pointer; display: flex; gap: 8px; align-items: center; font-size: .85rem; }
.btn-menu:hover { border-color: var(--cyan); }

/* ---------- Tiroir sommaire ---------- */
.voile { position: fixed; inset: 0; background: rgba(0,0,0,.55); z-index: 40; }
.tiroir {
  position: fixed; top: 0; right: 0; bottom: 0; width: min(420px, 100%); z-index: 41;
  background: var(--nuit-2); border-left: 1px solid var(--trait);
  padding: calc(20px + env(safe-area-inset-top, 0px)) 22px calc(24px + env(safe-area-inset-bottom, 0px));
  overflow-y: auto;
}
.tiroir-tete { display: flex; justify-content: space-between; align-items: center; margin-bottom: 18px; }
.tiroir h2 { font-family: var(--serif); font-size: 1.6rem; margin: 0; }
.tiroir .fermer { background: none; border: 1px solid var(--trait); border-radius: 8px; width: 38px; height: 38px; cursor: pointer; font-size: 1.1rem; }
.tiroir-module { margin-top: 20px; }
.tiroir-module h3 { margin: 0 0 8px; }
.tiroir ol { list-style: none; margin: 0; padding: 0; display: grid; gap: 2px; }
.tiroir li a, .tiroir li .inactif { display: flex; gap: 12px; padding: 8px 10px; border-radius: 6px; text-decoration: none; font-size: .92rem; }
.tiroir li a:hover { background: var(--carte); }
.tiroir li a.actif { background: var(--carte); color: var(--cyan); }
.tiroir li .inactif { color: var(--doux); opacity: .55; }
.tiroir .num { width: 2.4em; flex: none; color: var(--cyan); font-variant-numeric: tabular-nums; }

/* ---------- Accueil ---------- */
.page { max-width: 1240px; margin: 0 auto; padding-inline: 20px; padding-block: 32px 56px; }
.couverture img { width: 100%; display: block; border-radius: 8px; box-shadow: 0 24px 60px rgba(0,0,0,.55), 0 0 0 1px var(--trait); }
.intro { max-width: 62ch; margin: 44px auto 28px; text-align: center; }
.intro h1 { font-family: var(--serif); font-weight: 600; font-size: clamp(1.7rem, 3.4vw, 2.4rem); line-height: 1.2; margin: 8px 0 12px; text-wrap: balance; }
.intro p { color: var(--doux); margin: 0; }
.modules { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.module-carte {
  display: flex; flex-direction: column; gap: 10px; padding: 24px; border-radius: 14px;
  background: var(--carte); border: 1px solid var(--trait); text-decoration: none;
  transition: border-color .2s, transform .2s;
}
.module-carte:hover { border-color: var(--cyan); transform: translateY(-2px); }
.module-carte h2 { font-family: var(--serif); font-size: 1.6rem; margin: 0; line-height: 1.15; }
.module-carte p { margin: 0; color: var(--doux); font-size: .95rem; flex: 1; }
.module-carte .pied { display: flex; justify-content: space-between; color: var(--cyan); font-size: .85rem; font-variant-numeric: tabular-nums; }
.secondaires { display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; margin-top: 26px; }
.secondaires a { color: var(--doux); font-size: .9rem; text-decoration: none; border-bottom: 1px solid var(--trait); }
.secondaires a:hover { color: var(--cyan); }

/* ---------- Page module ---------- */
.module-tete { max-width: 62ch; margin-bottom: 28px; }
.module-tete h1 { font-family: var(--serif); font-size: clamp(2rem, 4vw, 2.8rem); margin: 6px 0 8px; line-height: 1.1; }
.module-tete p { color: var(--doux); margin: 0; }
.liste-fiches { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 14px; }
.fiche-vignette {
  display: grid; grid-template-columns: 76px 1fr; gap: 14px; align-items: center; padding: 10px; border-radius: 12px;
  background: var(--carte); border: 1px solid var(--trait); text-decoration: none; height: 100%;
}
a.fiche-vignette:hover { border-color: var(--cyan); }
.fiche-vignette .mini { width: 76px; height: 96px; border-radius: 8px; background: var(--nuit-2) center/cover no-repeat; display: grid; place-items: center; color: var(--trait); font-family: var(--serif); font-size: 1.4rem; }
.fiche-vignette b { display: block; font-family: var(--serif); font-size: 1.05rem; font-weight: 600; line-height: 1.25; }
.fiche-vignette small { color: var(--doux); font-size: .82rem; display: block; margin-top: 4px; }
.fiche-vignette.bientot { opacity: .5; }

/* ---------- Fiche ---------- */
.fiche { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 6fr); gap: 44px; align-items: start; }
.illu { position: sticky; top: calc(84px + env(safe-area-inset-top, 0px)); display: grid; gap: 18px; max-height: calc(100vh - 100px); overflow-y: auto; scrollbar-width: thin; }
.illu button { display: block; width: 100%; padding: 0; border: 0; background: none; cursor: zoom-in; }
.illu img { width: 100%; max-height: calc(100vh - 140px); object-fit: contain; display: block; border-radius: 10px; background: var(--nuit-2); box-shadow: 0 0 0 1px var(--trait); }
.illu figcaption { margin-top: 8px; font-size: .78rem; color: var(--doux); text-align: center; }
.contenu { display: flex; flex-direction: column; gap: 16px; max-width: 64ch; }
.contenu header h1 { font-family: var(--serif); font-weight: 700; font-size: clamp(1.9rem, 3.4vw, 2.6rem); line-height: 1.1; margin: 6px 0 6px; text-wrap: balance; }
.contenu header p { color: var(--cyan); margin: 0; font-size: 1.05rem; }
.bloc { padding: 18px 22px; border-radius: 14px; background: var(--carte); border: 1px solid var(--trait); }
.bloc h2 { font-family: var(--serif); font-weight: 600; font-size: 1.2rem; color: var(--cyan); margin: 0 0 8px; }
.bloc p { margin: 0; }
.bloc p + p { margin-top: 10px; }
.bloc h3 { font-family: var(--sans); font-size: .98rem; margin: 14px 0 2px; }
.bloc h3:first-of-type { margin-top: 0; }
.bloc.retenir { border-color: var(--rose); }
.bloc.retenir h2 { color: var(--rose); }
.bloc.retenir p { font-size: 1.05rem; }
.tableau { overflow-x: auto; border-radius: 10px; border: 1px solid var(--trait); }
.tableau table { width: 100%; border-collapse: collapse; font-size: .9rem; }
.tableau th { background: var(--nuit-2); text-align: left; padding: 10px 14px; font-weight: 700; color: var(--cyan); }
.tableau td { padding: 10px 14px; border-top: 1px solid var(--trait); vertical-align: top; }
.tableau td:first-child { font-weight: 700; width: 38%; }
.notes { font-size: .85rem; color: var(--doux); display: grid; gap: 4px; }
.notes b { color: var(--texte); }

.nav-fiche { display: flex; justify-content: space-between; gap: 12px; margin-top: 40px; padding-top: 22px; border-top: 1px solid var(--trait); }
.nav-fiche a, .nav-fiche span { display: flex; flex-direction: column; gap: 2px; text-decoration: none; max-width: 46%; }
.nav-fiche a:last-child, .nav-fiche span:last-child { text-align: right; margin-left: auto; }
.nav-fiche small { color: var(--cyan); font-size: .72rem; letter-spacing: .14em; text-transform: uppercase; }
.nav-fiche b { font-family: var(--serif); font-weight: 600; font-size: 1.1rem; }
.nav-fiche a:hover b { color: var(--cyan); }

/* ---------- Barre mobile ---------- */
.barre-mobile { display: none; }

/* ---------- Zoom ---------- */
.zoom { position: fixed; inset: 0; z-index: 60; background: rgba(2,10,15,.94); display: grid; place-items: center; padding: 20px; cursor: zoom-out; }
.zoom img { max-width: 100%; max-height: 100%; object-fit: contain; border-radius: 8px; }

.maquette { position: fixed; left: 14px; bottom: 14px; z-index: 15; font-size: .68rem; letter-spacing: .14em; text-transform: uppercase; color: var(--nuit); background: var(--cyan); padding: 4px 9px; border-radius: 4px; opacity: .85; }

@media (max-width: 900px) {
  .modules { grid-template-columns: 1fr; }
  .fiche { grid-template-columns: 1fr; gap: 22px; }
  .illu { position: static; }
  .illu img { max-height: 62vh; }
  .progres-barre, .btn-menu .txt { display: none; }
}
@media (max-width: 700px) {
  .fil { display: none; }
  .entete-in { justify-content: space-between; }
  .page { padding-block: 20px calc(var(--barre-h) + 40px + env(safe-area-inset-bottom, 0px)); }
  .nav-fiche { display: none; }
  .bloc { padding: 16px 18px; }
  .barre-mobile {
    display: grid; grid-template-columns: 1fr auto 1fr; align-items: center;
    position: fixed; left: 0; right: 0; bottom: 0; z-index: 30;
    padding: 8px 12px calc(8px + env(safe-area-inset-bottom, 0px));
    background: var(--nuit-2); border-top: 1px solid var(--trait);
  }
  .barre-mobile a, .barre-mobile button, .barre-mobile span { display: flex; align-items: center; justify-content: center; gap: 6px; min-height: 46px; padding: 0 14px; border-radius: 10px; text-decoration: none; font-size: .9rem; background: none; border: 0; cursor: pointer; }
  .barre-mobile a:first-child { justify-self: start; }
  .barre-mobile a:last-child, .barre-mobile span:last-child { justify-self: end; }
  .barre-mobile .centre { color: var(--cyan); font-variant-numeric: tabular-nums; }
  .barre-mobile span { opacity: .3; }
  .maquette { bottom: calc(var(--barre-h) + 14px + env(safe-area-inset-bottom, 0px)); }
}
@media (prefers-reduced-motion: reduce) { * { transition: none !important; } }

/* ---------- Connexion module ---------- */
.connexion { max-width: 440px; margin: 6vh auto 0; padding: 30px 28px; border-radius: 16px; background: var(--carte); border: 1px solid var(--trait); display: grid; gap: 16px; }
.connexion h1 { font-family: var(--serif); font-size: 2rem; line-height: 1.1; margin: 4px 0 0; }
.connexion p { margin: 0; color: var(--doux); }
.connexion label { font-size: .85rem; color: var(--texte); display: block; margin-bottom: 6px; }
.champ { display: flex; gap: 8px; }
.champ input { flex: 1; min-width: 0; font: inherit; font-size: 1.05rem; color: var(--texte); background: var(--nuit); border: 1px solid var(--trait); border-radius: 10px; padding: 12px 14px; }
.champ input:focus { outline: none; border-color: var(--cyan); }
.champ button { background: none; border: 1px solid var(--trait); border-radius: 10px; padding: 0 12px; cursor: pointer; font-size: .82rem; color: var(--doux); }
.btn-principal { font: inherit; font-weight: 700; background: var(--cyan); color: var(--nuit); border: 0; border-radius: 10px; padding: 13px 18px; cursor: pointer; }
.btn-principal:hover { filter: brightness(1.08); }
.erreur { color: var(--rose); font-size: .92rem; border: 1px solid var(--rose); border-radius: 10px; padding: 10px 12px; }
.connexion .retour { font-size: .88rem; color: var(--cyan); text-decoration: none; }
.cadenas { display: inline-flex; align-items: center; gap: 6px; }
.cadenas svg { width: 13px; height: 13px; fill: none; stroke: currentColor; stroke-width: 2; }

/* ---------- Protection des images ---------- */
img { -webkit-user-drag: none; user-select: none; -webkit-user-select: none; -webkit-touch-callout: none; }
.protege { position: relative; }
.protege::after { content: ""; position: absolute; inset: 0; }
.avis { position: fixed; left: 50%; bottom: calc(var(--barre-h) + 28px + env(safe-area-inset-bottom, 0px)); transform: translateX(-50%); z-index: 70;
  background: var(--nuit-2); color: var(--texte); border: 1px solid var(--cyan); border-radius: 10px; padding: 10px 16px; font-size: .9rem; box-shadow: 0 10px 30px rgba(0,0,0,.5); white-space: nowrap; }

/* ---------- Accueil : modules en haut, couverture réduite ---------- */
.presentation { display: grid; grid-template-columns: minmax(0, 480px) minmax(0, 1fr); gap: 36px; align-items: center; margin-top: 44px; }
.presentation .intro { margin: 0; text-align: left; }
.presentation .intro h1 { font-size: clamp(1.4rem, 2.6vw, 1.9rem); }
@media (max-width: 900px) {
  .presentation { grid-template-columns: 1fr; gap: 22px; margin-top: 32px; }
  .presentation .couverture { max-width: 480px; }
}

/* ---------- Bannière panoramique ---------- */
.banniere { position: relative; display: grid; grid-template-columns: 3fr 2fr; align-items: center; min-height: clamp(240px, 30vw, 400px);
  margin-bottom: 28px; border-radius: 14px; overflow: hidden; background: var(--nuit-2); box-shadow: 0 0 0 1px var(--trait); }
.banniere-visuel { position: absolute; inset: 0 auto 0 0; width: 62%; }
.banniere-visuel img { width: 100%; height: 100%; object-fit: cover; object-position: 50% 32%; display: block;
  -webkit-mask-image: linear-gradient(to right, #000 55%, transparent); mask-image: linear-gradient(to right, #000 55%, transparent); }
.banniere-titre { grid-column: 2; position: relative; padding: 32px 56px 32px 16px; }
.banniere-titre h1 { font-family: var(--serif); font-weight: 700; font-size: clamp(2.4rem, 5.6vw, 4.6rem); line-height: 1; margin: 12px 0 0; }
.banniere-titre em { font-style: normal; color: var(--cyan); }
@media (max-width: 700px) {
  .banniere { grid-template-columns: 1fr; min-height: 300px; align-items: end; }
  .banniere-visuel { width: 100%; }
  .banniere-visuel img { -webkit-mask-image: linear-gradient(to top, transparent 5%, #000 70%); mask-image: linear-gradient(to top, transparent 5%, #000 70%); }
  .banniere-titre { grid-column: 1; padding: 24px 22px; background: linear-gradient(to top, var(--nuit-2) 35%, transparent); }
}

/* ---------- Médias (colonne de gauche) ---------- */
.media { margin: 0; }
.media-video video { width: 100%; max-height: 70vh; display: block; border-radius: 10px; background: #000; box-shadow: 0 0 0 1px var(--trait); }
.media-audio { display: grid; gap: 8px; padding: 14px 16px; border-radius: 12px; background: var(--carte); border: 1px solid var(--trait); }
.media-audio b { font-family: var(--serif); font-weight: 600; }
audio { width: 100%; height: 40px; display: block; }

/* ---------- Blocs (colonne de droite) ---------- */
.bloc.exercice { border-color: var(--ambre); }
.bloc.exercice h2 { color: var(--ambre); }
.etiquette-bloc { font-size: .7rem; letter-spacing: .16em; text-transform: uppercase; color: var(--ambre); margin-bottom: 2px; }
.bloc-audio { display: grid; gap: 6px; margin-top: 14px; padding-top: 12px; border-top: 1px dashed rgba(227, 169, 72, .35); }
.bloc-audio small { color: var(--doux); }
.bloc-tableau h2 { font-family: var(--serif); font-weight: 600; font-size: 1.2rem; color: var(--cyan); margin: 0 0 8px; }
@media (max-width: 900px) { .illu { max-height: none; overflow: visible; } }

/* ---------- Logo dans la bannière ---------- */
.banniere-logo { display: block; height: clamp(56px, 6.5vw, 84px); width: auto; margin-bottom: 18px; }
@media (max-width: 700px) { .banniere-logo { height: 50px; margin-bottom: 12px; } }

/* ---------- Pied de page ---------- */
.pied { max-width: 1240px; margin: 0 auto; padding: 22px 20px 28px; border-top: 1px solid var(--trait);
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: 6px 20px; font-size: .78rem; color: var(--doux); letter-spacing: .02em; }
.pied sup { font-size: .7em; }
@media (max-width: 700px) {
  .page { padding-bottom: 28px; }
  .pied { justify-content: center; text-align: center; padding-bottom: calc(var(--barre-h) + 24px + env(safe-area-inset-bottom, 0px)); }
}

/* ---------- Bouton d'aide et guide de navigation ---------- */
.btn-aide { width: 36px; justify-content: center; padding: 7px 0; font-weight: 700; color: var(--cyan); }
.guide-voile { position: fixed; inset: 0; z-index: 80; }
.guide-halo { position: fixed; border-radius: 12px; box-shadow: 0 0 0 9999px rgba(2, 10, 15, .72), 0 0 0 2px var(--cyan); transition: all .25s ease; pointer-events: none; }
.guide-voile:has(.guide-halo[hidden]) { background: rgba(2, 10, 15, .72); }
.guide-carte { position: fixed; width: min(360px, calc(100vw - 20px)); padding: 18px 20px 16px; border-radius: 14px;
  background: var(--nuit-2); border: 1px solid var(--cyan); box-shadow: 0 18px 50px rgba(0, 0, 0, .6); transition: top .25s ease, left .25s ease; }
.guide-carte.guide-centre { top: 50% !important; left: 50% !important; transform: translate(-50%, -50%); }
.guide-etape { font-size: .7rem; letter-spacing: .16em; color: var(--cyan); text-transform: uppercase; }
.guide-carte h2 { font-family: var(--serif); font-size: 1.3rem; margin: 6px 0 6px; }
.guide-carte p { margin: 0 0 14px; color: var(--texte); font-size: .95rem; }
.guide-boutons { display: flex; justify-content: space-between; align-items: center; gap: 10px; }
.guide-boutons span { display: flex; gap: 6px; }
.guide-passer { background: none; border: 0; color: var(--doux); font-size: .82rem; cursor: pointer; padding: 6px 0; text-decoration: underline; text-underline-offset: 3px; }
.guide-btn { font: inherit; font-size: .88rem; padding: 8px 14px; border-radius: 9px; border: 1px solid var(--trait); background: none; color: var(--texte); cursor: pointer; }
.guide-btn:hover { border-color: var(--cyan); }
.guide-principal { background: var(--cyan); border-color: var(--cyan); color: var(--nuit); font-weight: 700; }
@media (prefers-reduced-motion: reduce) { .guide-halo, .guide-carte { transition: none; } }

/* ---------- Boutons « Fiche précédente / suivante » encadrés ---------- */
.nav-fiche a { padding: 12px 18px; border-radius: 12px; border: 1px solid var(--trait); background: var(--carte); transition: border-color .2s, background .2s; min-width: 0; }
.nav-fiche a:hover, .nav-fiche a:focus-visible { border-color: var(--cyan); background: var(--nuit-2); }
.nav-fiche a b { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.nav-haut { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 14px; }
.nav-haut a { padding: 7px 14px; border-radius: 10px; border: 1px solid var(--trait); background: var(--carte); text-decoration: none; font-size: .85rem; color: var(--texte); transition: border-color .2s; }
.nav-haut a:hover, .nav-haut a:focus-visible { border-color: var(--cyan); color: var(--cyan); }

/* Colonne des illustrations : espace entre les cadres et la barre de défilement */
@media (min-width: 901px) { .illu { scrollbar-gutter: stable; padding-right: 12px; padding-bottom: 4px; } }

/* Cadres des médias : bordure intérieure (une ombre extérieure est coupée par la colonne qui défile) */
.illu img, .media-video video { box-shadow: none; border: 1px solid var(--trait); box-sizing: border-box; }
@media (min-width: 901px) { .illu { padding: 3px 12px 6px 3px; } }

/* Moins d'espace entre le bas du contenu et le pied de page */
@media (min-width: 701px) { .page { padding-bottom: 24px; } }