/* ==========================================================
   M. Courcelle — Labo Ordinateur
   Feuille de style autonome (aucune dépendance externe)
   Encodage UTF-8
   ========================================================== */

:root {
  /* Palette beige */
  --bg:      #F0EFEA;
  --bg2:     #E8E6E0;
  --bg3:     #DDDBD4;
  --white:   #FFFFFF;

  /* Texte */
  --text:    #1A1A1A;
  --text2:   #444444;
  --dim:     #888888;

  /* Bordures et ombres */
  --border:  #B0ADA8;
  --border2: #CCCAC4;
  --shadow:    0 8px 32px rgba(0,0,0,.10), 0 2px 6px rgba(0,0,0,.06);
  --shadow-sm: 0 2px 8px rgba(0,0,0,.08);

  /* Couleurs arc-en-ciel */
  --apple-r: #E03A3E;
  --apple-o: #F58220;
  --apple-y: #FDB827;
  --apple-g: #61BB46;
  --apple-b: #009DDC;
  --apple-p: #963D97;

  --accent:  #009DDC;
  --accent2: #0077AA;

  /* Couleurs fonctionnelles */
  --c-entree: #009DDC;
  --c-sortie: #F58220;
  --c-uc:     #963D97;
  --c-ok:     #61BB46;
  --c-err:    #E03A3E;

  /* Typographie : piles système, aucune police à télécharger */
  --fd: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --ft: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --fm: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;

  --fs-xs:  0.78rem;
  --fs-sm:  0.90rem;
  --fs-md:  1.00rem;
  --fs-lg:  1.13rem;
  --fs-xl:  1.30rem;
  --fs-2xl: 1.70rem;

  --radius:    8px;
  --radius-lg: 12px;
  --transition: all .20s ease;
  --menubar-h: 30px;

  --labo: #E03A3E;
}

/* Mode dyslexique : sans police externe, on agit sur l'espacement */
body.dyslexic {
  --fs-md: 1.10rem;
  --fs-sm: 1.00rem;
}
body.dyslexic p,
body.dyslexic li,
body.dyslexic .cat-item-text,
body.dyslexic .qcm-opt {
  line-height: 2.0 !important;
  letter-spacing: .04em !important;
  word-spacing: .10em !important;
}

/* ── Reset ── */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--ft);
  font-size: var(--fs-md);
  line-height: 1.65;
  display: flex; flex-direction: column;
  min-height: 100vh;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: var(--accent); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--accent2); }

/* ==========================================================
   MENUBAR
   ========================================================== */
.menubar {
  position: sticky; top: 0; z-index: 20000;
  background: rgba(255,255,254,.94);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  height: var(--menubar-h);
  display: flex; align-items: center;
  padding: 0 .75rem;
  user-select: none;
}
.apple-stripes {
  display: flex; gap: 2px; align-items: flex-end;
  height: 14px; margin-right: .5rem; flex-shrink: 0;
}
.apple-stripes div { width: 3px; border-radius: 2px; }
.as1 { height: 14px; background: var(--apple-g); }
.as2 { height: 11px; background: var(--apple-y); }
.as3 { height: 13px; background: var(--apple-o); }
.as4 { height: 10px; background: var(--apple-r); }
.as5 { height: 12px; background: var(--apple-p); }
.as6 { height: 9px;  background: var(--apple-b); }

.mb-logo {
  font-size: .80rem; font-weight: 800; color: var(--text);
  padding: 0 .5rem; line-height: var(--menubar-h);
  white-space: nowrap; border-radius: 4px;
}
.mb-logo:hover { background: rgba(0,0,0,.06); color: var(--text); }

.mb-item { position: relative; height: var(--menubar-h); display: flex; align-items: center; }
.mb-trigger {
  display: flex; align-items: center;
  height: var(--menubar-h); padding: 0 .55rem;
  font-size: .74rem; font-weight: 500;
  color: var(--text); cursor: default;
  border-radius: 4px; white-space: nowrap;
}
.mb-item:hover .mb-trigger { background: var(--apple-b); color: #fff; }

.mb-dropdown {
  display: none;
  position: absolute; top: calc(100% + 1px); left: 0;
  min-width: 220px;
  background: rgba(245,244,240,.98);
  backdrop-filter: blur(20px);
  border: 1px solid var(--border);
  border-radius: 6px;
  box-shadow: 0 8px 30px rgba(0,0,0,.18);
  padding: .3rem 0; z-index: 20001;
}
.mb-item:hover .mb-dropdown { display: block; }
.mb-dd-item {
  display: flex; align-items: center; justify-content: space-between;
  padding: .3rem 1rem; font-size: .78rem; color: var(--text);
  gap: 1.5rem; white-space: nowrap;
}
.mb-dd-item:hover { background: var(--apple-b); color: #fff; border-radius: 4px; margin: 0 .3rem; padding: .3rem .7rem; }
.mb-dd-item.dim { color: var(--dim); pointer-events: none; }
.mb-dd-sep { height: 1px; background: var(--border2); margin: .3rem .5rem; }
.mb-dd-shortcut { font-family: var(--fm); font-size: .66rem; color: var(--dim); }
.mb-dd-item:hover .mb-dd-shortcut { color: rgba(255,255,255,.75); }

.mb-right { margin-left: auto; display: flex; align-items: center; gap: .5rem; }
.mb-dyslexic-btn {
  display: flex; align-items: center; gap: .35rem;
  background: none; border: none; cursor: pointer;
  font-family: var(--fm); font-size: .66rem; color: var(--dim);
  padding: 0 .4rem; height: var(--menubar-h); border-radius: 3px;
}
.mb-dyslexic-btn:hover { background: rgba(0,0,0,.07); color: var(--text); }
body.dyslexic .mb-dyslexic-btn { color: var(--apple-b); }
.mb-dy-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--border); flex-shrink: 0; }
body.dyslexic .mb-dy-dot { background: var(--apple-b); }

/* Hamburger + menu mobile */
.mb-hamburger {
  display: none; flex-direction: column; justify-content: center; gap: 4px;
  background: none; border: none; cursor: pointer;
  padding: 0 .4rem; height: var(--menubar-h); border-radius: 3px;
}
.mb-hamburger span { display: block; width: 17px; height: 1.5px; background: var(--text); border-radius: 2px; transition: transform .2s, opacity .2s; }
.mb-hamburger.open span:nth-child(1) { transform: translateY(5.5px) rotate(45deg); }
.mb-hamburger.open span:nth-child(2) { opacity: 0; }
.mb-hamburger.open span:nth-child(3) { transform: translateY(-5.5px) rotate(-45deg); }

.mb-mobile-menu {
  display: none;
  position: fixed; top: var(--menubar-h); left: 0; right: 0; bottom: 0;
  background: rgba(245,244,240,.98);
  z-index: 19999; overflow-y: auto;
  padding: .5rem 0 2rem; border-top: 1px solid var(--border);
}
.mb-mobile-menu.open { display: block; }
.mb-mob-section { padding: .75rem 1rem .25rem; }
.mb-mob-label {
  font-family: var(--fm); font-size: .62rem; font-weight: 700;
  letter-spacing: .12em; text-transform: uppercase;
  color: var(--dim); padding: 0 .25rem;
}
.mb-mob-item { display: block; padding: .65rem .5rem; font-size: .92rem; color: var(--text); border-radius: 8px; }
.mb-mob-item:hover { background: rgba(0,0,0,.05); color: var(--text); }
.mb-mob-sep { height: 1px; background: var(--border2); margin: .5rem 1rem; }

@media (max-width: 900px) {
  .mb-item { display: none; }
  .mb-hamburger { display: flex; }
}

/* ==========================================================
   BUREAU + FENÊTRES
   ========================================================== */
.page-desktop {
  padding: 2rem;
  flex: 1;
  background:
    radial-gradient(ellipse 60% 40% at 90% 10%, rgba(224,58,62,.05) 0%, transparent 60%),
    var(--bg);
}
.page-window {
  background: #fff;
  border: 1px solid var(--border2);
  border-radius: 12px;
  box-shadow: 0 8px 32px rgba(0,0,0,.09), 0 2px 6px rgba(0,0,0,.05);
  overflow: hidden;
  max-width: 1060px;
  margin: 0 auto 1.5rem;
}
.page-win-chrome {
  background: linear-gradient(to bottom, #F8F7F4, #E8E6E0);
  border-bottom: 1px solid var(--border2);
  padding: .5rem .9rem;
  display: flex; align-items: center; gap: .5rem;
  user-select: none;
}
.traffic { display: flex; gap: 5px; }
.t-r, .t-y, .t-g { width: 12px; height: 12px; border-radius: 50%; }
.t-r { background: #FF5F57; border: 1px solid #E0443E; }
.t-y { background: #FEBC2E; border: 1px solid #D9A01C; }
.t-g { background: #28C840; border: 1px solid #1BAD2E; }
.page-win-title {
  flex: 1; text-align: center;
  font-family: var(--fm); font-size: .74rem; font-weight: 600; color: var(--dim);
}
.page-win-body { padding: 2rem 2.5rem; }
.page-statusbar {
  background: var(--bg2); border-top: 1px solid var(--border2);
  padding: .38rem 1rem;
  font-family: var(--fm); font-size: .68rem; color: var(--dim);
  display: flex; justify-content: space-between; gap: 1rem;
}

/* ── Titres et fil d'Ariane ── */
.page-breadcrumb {
  font-size: var(--fs-xs); color: var(--dim);
  margin-bottom: .75rem; display: flex; gap: .4rem; align-items: center; flex-wrap: wrap;
}
.page-breadcrumb a { color: var(--text2); }
.page-breadcrumb a:hover { color: var(--text); }
.page-h1 {
  font-family: var(--fd); font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 900; letter-spacing: -.03em; line-height: 1.1;
  color: var(--text); margin-bottom: .6rem;
}
.page-h1 em { color: var(--labo); font-style: normal; }
.page-lead { font-size: var(--fs-sm); color: var(--text2); line-height: 1.75; margin-bottom: 1.25rem; max-width: 560px; }
.section-sub { font-size: var(--fs-sm); color: var(--text2); line-height: 1.7; margin-bottom: 1.5rem; max-width: 620px; }

.back-link {
  display: inline-flex; align-items: center; gap: .4rem;
  font-family: var(--fm); font-size: var(--fs-xs);
  color: var(--text2); background: var(--bg2);
  border: 1px solid var(--border2); border-radius: 8px;
  padding: .4rem .9rem; margin-bottom: 1.25rem; cursor: pointer;
}
.back-link:hover { background: var(--bg3); color: var(--text); }

.rainbow-line { display: flex; height: 3px; border-radius: 2px; overflow: hidden; margin-bottom: 1.75rem; }
.rainbow-line div { flex: 1; }

/* ── Hero ── */
.hero-layout { display: flex; gap: 3rem; align-items: center; }
.hero-text { flex: 1; min-width: 0; }
.hero-visual-side { flex: 0 0 160px; display: flex; flex-direction: column; align-items: center; gap: 1rem; }
.hero-big-icon {
  width: 90px; height: 90px; border-radius: 22px;
  display: flex; align-items: center; justify-content: center;
  font-size: 2.8rem;
  background: rgba(224,58,62,.09);
  box-shadow: 0 4px 18px rgba(224,58,62,.12);
}
.hero-labo-badge {
  font-family: var(--fm); font-size: .64rem; font-weight: 700;
  letter-spacing: .15em; text-transform: uppercase;
  color: var(--labo); padding: .2rem .65rem;
  border: 1px solid rgba(224,58,62,.25); border-radius: 99px;
  background: rgba(224,58,62,.06);
}
.lecon-meta { display: flex; gap: 1.25rem; flex-wrap: wrap; }
.lecon-meta-item { font-family: var(--fm); font-size: var(--fs-xs); color: var(--dim); display: flex; align-items: center; gap: .35rem; }
.lecon-meta-item strong { color: var(--c-entree); }

/* ==========================================================
   IMAGES : repli si le fichier n'est pas encore en place
   ========================================================== */
.img-todo {
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: .4rem; min-height: 180px; padding: 1.5rem;
  background: repeating-linear-gradient(45deg, var(--bg2), var(--bg2) 12px, var(--bg3) 12px, var(--bg3) 24px);
  border: 2px dashed var(--border); border-radius: var(--radius);
  font-family: var(--fm); font-size: var(--fs-xs); color: var(--text2); text-align: center;
}
.img-todo strong { color: var(--labo); font-size: var(--fs-sm); }
.img-todo span { color: var(--dim); }

figure.lecon-figure {
  margin: 1.25rem auto; max-width: 720px;
  border: 1px solid var(--border2); border-radius: var(--radius);
  overflow: hidden; background: var(--bg2);
}
figure.lecon-figure img { width: 100%; height: auto; }
figure.lecon-figure figcaption {
  font-family: var(--fm); font-size: var(--fs-xs); color: var(--dim);
  padding: .5rem 1rem; text-align: center;
}
.figure-duo { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
@media (max-width: 700px) { .figure-duo { grid-template-columns: 1fr; } }

/* ==========================================================
   IMAGE INTERACTIVE (hotspots)
   ========================================================== */
.periph-img-wrap {
  position: relative; display: block;
  max-width: 860px; margin: 0 auto;
  border-radius: var(--radius); overflow: hidden;
  box-shadow: 0 4px 24px rgba(0,0,0,.12);
  border: 1px solid var(--border2);
  background: var(--bg2);
}
.periph-img-wrap img { display: block; width: 100%; height: auto; }
.hs-dot {
  position: absolute; transform: translate(-50%, -50%);
  width: 32px; height: 32px; border-radius: 50%;
  cursor: pointer; z-index: 10;
  display: flex; align-items: center; justify-content: center;
  transition: transform .2s ease;
  border: 2px solid rgba(255,255,255,.6);
}
.hs-dot::before { content: ''; position: absolute; inset: 0; border-radius: 50%; animation: hs-pulse 2s ease-out infinite; }
.hs-dot.entree { background: rgba(0,157,220,.85);  box-shadow: 0 0 0 3px rgba(0,157,220,.25); }
.hs-dot.entree::before { background: rgba(0,157,220,.4); }
.hs-dot.sortie { background: rgba(245,130,32,.85); box-shadow: 0 0 0 3px rgba(245,130,32,.25); }
.hs-dot.sortie::before { background: rgba(245,130,32,.4); }
.hs-dot.uc     { background: rgba(150,61,151,.85); box-shadow: 0 0 0 3px rgba(150,61,151,.25); }
.hs-dot.uc::before { background: rgba(150,61,151,.4); }
.hs-dot:hover  { transform: translate(-50%,-50%) scale(1.2); }
.hs-dot.active { transform: translate(-50%,-50%) scale(1.3); }
.hs-dot-icon { font-size: .8rem; position: relative; z-index: 1; }
@keyframes hs-pulse {
  0%   { transform: scale(1);   opacity: .8; }
  70%  { transform: scale(2.2); opacity: 0; }
  100% { transform: scale(2.2); opacity: 0; }
}

.hs-infobox {
  max-width: 860px; margin: .5rem auto 0;
  background: var(--bg2);
  border: 1px solid var(--border2); border-top: 3px solid var(--c-entree);
  border-radius: 0 0 var(--radius) var(--radius);
  padding: 1rem 1.25rem; display: none;
}
.hs-infobox.visible { display: block; }
.hs-infobox.cat-sortie { border-top-color: var(--c-sortie); }
.hs-infobox.cat-uc     { border-top-color: var(--c-uc); }
.hs-infobox-header { display: flex; align-items: center; gap: .6rem; margin-bottom: .4rem; }
.hs-infobox-emoji { font-size: 1.4rem; flex-shrink: 0; }
.hs-infobox-name { font-family: var(--fd); font-size: var(--fs-md); font-weight: 800; color: var(--text); flex: 1; }
.hs-infobox-badge {
  font-family: var(--fm); font-size: .64rem;
  padding: .15rem .5rem; border-radius: 3px;
  text-transform: uppercase; letter-spacing: .08em; flex-shrink: 0;
}
.badge-entree { background: rgba(0,157,220,.1);  color: var(--c-entree); border: 1px solid rgba(0,157,220,.25); }
.badge-sortie { background: rgba(245,130,32,.1); color: var(--c-sortie); border: 1px solid rgba(245,130,32,.25); }
.badge-uc     { background: rgba(150,61,151,.1); color: var(--c-uc);     border: 1px solid rgba(150,61,151,.25); }
.hs-infobox-close { background: none; border: none; color: var(--dim); font-size: 1.1rem; cursor: pointer; padding-left: .75rem; }
.hs-infobox-close:hover { color: var(--text); }
.hs-infobox-desc { font-size: var(--fs-sm); color: var(--text2); line-height: 1.65; margin-bottom: .35rem; }
.hs-infobox-detail { font-family: var(--fm); font-size: var(--fs-xs); color: var(--dim); font-style: italic; }
.hs-hint { text-align: center; font-family: var(--fm); font-size: var(--fs-xs); color: var(--dim); margin-top: .75rem; }

/* ==========================================================
   CARTES CATÉGORIES
   ========================================================== */
.cat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 1rem; }
.cat-card {
  background: var(--bg); border: 1px solid var(--border2);
  border-radius: 10px; padding: 1.25rem 1.4rem;
  position: relative; overflow: hidden;
}
.cat-card::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px; }
.cat-card.entree::before { background: var(--c-entree); }
.cat-card.sortie::before { background: var(--c-sortie); }
.cat-card.uc::before     { background: var(--c-uc); }
.cat-card-header { display: flex; align-items: center; gap: .75rem; margin-bottom: .85rem; }
.cat-card-icon { font-size: 1.75rem; }
.cat-card-title { font-family: var(--fd); font-size: var(--fs-sm); font-weight: 800; color: var(--text); }
.cat-card-subtitle { font-family: var(--fm); font-size: var(--fs-xs); margin-top: .1rem; }
.cat-card.entree .cat-card-subtitle { color: var(--c-entree); }
.cat-card.sortie .cat-card-subtitle { color: var(--c-sortie); }
.cat-card.uc .cat-card-subtitle     { color: var(--c-uc); }
.cat-card-def { font-size: var(--fs-sm); color: var(--text2); line-height: 1.65; margin-bottom: 1rem; }
.cat-item-list { list-style: none; display: flex; flex-direction: column; gap: .4rem; }
.cat-item { display: flex; align-items: flex-start; gap: .6rem; font-size: var(--fs-sm); color: var(--text2); }
.cat-item-dot { width: 7px; height: 7px; border-radius: 50%; flex-shrink: 0; margin-top: .45em; }
.cat-item-text { flex: 1; line-height: 1.55; }
.entree .cat-item-dot { background: var(--c-entree); }
.sortie .cat-item-dot { background: var(--c-sortie); }
.uc .cat-item-dot     { background: var(--c-uc); }
.cat-item strong { color: var(--text); }

/* ==========================================================
   GRILLE DE CARTES (hub vocabulaire / accueil)
   ========================================================== */
.notion-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); gap: 1rem; }
.notion-card {
  background: var(--white); border: 1px solid var(--border2);
  border-radius: var(--radius-lg); padding: 1.25rem;
  cursor: pointer; text-align: left; width: 100%;
  font-family: var(--ft); color: inherit;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  position: relative; overflow: hidden;
}
.notion-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: var(--card-color, var(--accent)); opacity: 0; transition: var(--transition);
}
.notion-card:hover { transform: translateY(-3px); border-color: var(--card-color, var(--accent)); box-shadow: var(--shadow); }
.notion-card:hover::before { opacity: 1; }
.notion-card-icon { font-size: 2rem; display: block; margin-bottom: .6rem; }
.notion-card-title { font-family: var(--fd); font-size: var(--fs-md); font-weight: 700; color: var(--text); margin-bottom: .25rem; }
.notion-card-desc { font-size: var(--fs-sm); color: var(--text2); line-height: 1.5; }
.notion-card-tag {
  display: inline-block; margin-top: .7rem;
  font-family: var(--fm); font-size: .62rem; letter-spacing: .1em; text-transform: uppercase;
  color: var(--card-color, var(--accent));
  border: 1px solid var(--card-color, var(--accent));
  border-radius: 4px; padding: .1rem .45rem; opacity: .8;
}

/* ==========================================================
   CONTENU D'UNE CARTE
   ========================================================== */
.carte-title {
  font-family: var(--fd); font-size: var(--fs-2xl); font-weight: 900;
  color: var(--text); letter-spacing: -.02em;
  padding-left: .8rem; border-left: 4px solid var(--labo);
  margin-bottom: 1.25rem; display: flex; align-items: center; gap: .5rem;
}
.carte-intro { font-size: var(--fs-md); color: var(--text2); line-height: 1.8; margin-bottom: 1.25rem; }
.carte-h3 {
  font-family: var(--fd); font-size: var(--fs-lg); font-weight: 800;
  color: var(--accent); margin: 1.75rem 0 .9rem;
}
.carte-list { list-style: none; display: flex; flex-direction: column; gap: .55rem; margin-bottom: 1rem; }
.carte-list li { display: flex; align-items: flex-start; gap: .65rem; font-size: var(--fs-md); color: var(--text2); line-height: 1.6; }
.carte-list li::before { content: '●'; color: var(--labo); font-size: .6rem; margin-top: .55em; flex-shrink: 0; }
.carte-list strong { color: var(--text); }

code, .kbd, .term {
  font-family: var(--fm); font-size: .88em;
  border-radius: 5px; padding: .12em .45em;
}
.term { background: rgba(245,130,32,.10); color: var(--apple-o); border: 1px solid rgba(245,130,32,.28); }
.kbd  { background: var(--bg2); color: var(--text); border: 1px solid var(--border); box-shadow: 0 1px 0 var(--border); }

.callout {
  display: flex; gap: .9rem; align-items: flex-start;
  padding: 1rem 1.25rem; border-radius: var(--radius);
  border-left: 4px solid; margin: 1.25rem 0;
  font-size: var(--fs-md); color: var(--text2); line-height: 1.7;
}
.callout .callout-icon { font-size: 1.3rem; flex-shrink: 0; }
.callout.tip     { background: rgba(97,187,70,.08);  border-color: var(--apple-g); }
.callout.info    { background: rgba(0,157,220,.07);  border-color: var(--apple-b); }
.callout.warning { background: rgba(253,184,39,.10); border-color: var(--apple-y); }
.callout strong { color: var(--text); }

/* ==========================================================
   EXERCICES — commun
   ========================================================== */
.exo-num {
  font-family: var(--fm); font-size: .64rem; font-weight: 700;
  letter-spacing: .15em; text-transform: uppercase;
  color: var(--labo); margin-bottom: .3rem;
}
.exo-title { font-family: var(--fd); font-size: var(--fs-md); font-weight: 800; color: var(--text); margin-bottom: .3rem; }
.exo-desc  { font-size: var(--fs-sm); color: var(--text2); line-height: 1.6; margin-bottom: 1.5rem; }

.exo-btn {
  display: inline-flex; align-items: center; gap: .5rem;
  font-family: var(--fm); font-size: var(--fs-sm);
  padding: .55rem 1.2rem; border-radius: var(--radius);
  border: none; cursor: pointer; transition: filter .15s;
}
.exo-btn-primary { background: var(--labo); color: #fff; font-weight: 600; }
.exo-btn-primary:hover { filter: brightness(1.1); }
.exo-btn-reset { background: var(--bg2); color: var(--text2); border: 1px solid var(--border2); }
.exo-btn-reset:hover { background: var(--bg3); color: var(--text); }
.exo-actions { display: flex; gap: .75rem; align-items: center; flex-wrap: wrap; margin-top: 1rem; }

.exo-feedback { margin-top: 1rem; padding: .85rem 1.1rem; border-radius: var(--radius); font-size: var(--fs-sm); line-height: 1.6; display: none; }
.exo-feedback.success { background: rgba(97,187,70,.08);  border: 1px solid rgba(97,187,70,.3);  color: #16a34a; display: block; }
.exo-feedback.error   { background: rgba(224,58,62,.07);  border: 1px solid rgba(224,58,62,.25); color: var(--c-err); display: block; }
.exo-feedback.partial { background: rgba(253,184,39,.08); border: 1px solid rgba(253,184,39,.3); color: #b45309; display: block; }

/* ── Glisser-déposer ── */
.dd-items-pool {
  display: flex; flex-wrap: wrap; gap: .6rem;
  padding: 1rem; background: var(--bg2);
  border: 1px dashed var(--border); border-radius: var(--radius);
  min-height: 64px; margin-bottom: 1.25rem;
}
.dd-item, .dd-item-placed {
  display: flex; align-items: center; gap: .45rem;
  font-family: var(--fm); font-size: var(--fs-sm); color: var(--text);
  background: #fff; border: 1px solid var(--border2);
  border-radius: 6px; padding: .35rem .75rem;
  cursor: grab; user-select: none;
  box-shadow: 0 1px 3px rgba(0,0,0,.07);
}
.dd-item:active, .dd-item-placed:active { cursor: grabbing; opacity: .6; }
.dd-item.dragging { opacity: .4; }
.dd-item.correct   { border-color: rgba(97,187,70,.6); background: rgba(97,187,70,.08); }
.dd-item.incorrect { border-color: rgba(224,58,62,.5); background: rgba(224,58,62,.07); }
.dd-item.dd-selected, .dd-item-placed.dd-selected {
  border-color: var(--c-entree); background: rgba(0,157,220,.10);
  box-shadow: 0 0 0 2px rgba(0,157,220,.3);
}
.dd-zones { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 1rem; margin-bottom: 1.25rem; }
.dd-zone {
  min-height: 120px; padding: .75rem; border-radius: var(--radius);
  border: 2px dashed; display: flex; flex-direction: column; gap: .5rem;
  transition: background .15s;
}
.dd-zone-label {
  font-family: var(--fd); font-size: var(--fs-xs); font-weight: 700;
  letter-spacing: .08em; text-transform: uppercase; text-align: center; margin-bottom: .2rem;
}
.dd-zone.entree { border-color: rgba(0,157,220,.35); }
.dd-zone.entree .dd-zone-label { color: var(--c-entree); }
.dd-zone.sortie { border-color: rgba(245,130,32,.35); }
.dd-zone.sortie .dd-zone-label { color: var(--c-sortie); }
.dd-zone.dragover        { background: rgba(0,157,220,.05);  border-color: rgba(0,157,220,.6); }
.dd-zone.sortie.dragover { background: rgba(245,130,32,.05); border-color: rgba(245,130,32,.6); }
.dd-zone-empty { font-family: var(--fm); font-size: var(--fs-xs); color: var(--dim); text-align: center; margin: auto; font-style: italic; }
.dd-zone.dd-zone-ready { border-style: solid; }
.dd-select-hint { font-family: var(--fm); font-size: var(--fs-xs); color: var(--c-entree); text-align: center; margin: .5rem 0 .75rem; }

/* ── Texte à trou ── */
.tt-pool {
  display: flex; flex-wrap: wrap; gap: .6rem;
  padding: 1.1rem; background: var(--bg2);
  border: 1px solid var(--border2); border-radius: var(--radius);
  min-height: 60px; margin-bottom: 1.25rem;
}
.tt-text {
  background: var(--bg2); border: 1px solid var(--border2);
  border-radius: var(--radius); padding: 1.5rem;
  font-size: var(--fs-md); color: var(--text2); line-height: 3.2;
}
.tt-blank {
  display: inline-flex; align-items: center; justify-content: center;
  min-width: 150px; height: 2.2rem; padding: 0 .6rem;
  background: #fff; border: 1px solid var(--border2);
  border-bottom: 2px dashed var(--apple-o);
  border-radius: 6px; vertical-align: middle;
  font-family: var(--fm); font-size: var(--fs-sm); color: var(--text);
  cursor: pointer;
}
.tt-blank.empty::after { content: '…'; color: var(--dim); }
.tt-blank.dragover { background: rgba(0,157,220,.07); border-color: var(--c-entree); }
.tt-blank.correct   { border-color: var(--apple-g); background: rgba(97,187,70,.10); border-bottom-style: solid; }
.tt-blank.incorrect { border-color: var(--apple-r); background: rgba(224,58,62,.08); border-bottom-style: solid; }
.tt-blank.ready { border-color: var(--c-entree); }

/* ── QCM ── */
.qcm-list { display: flex; flex-direction: column; gap: 1.25rem; }
.qcm-q { background: var(--bg); border: 1px solid var(--border2); border-radius: 10px; padding: 1.1rem 1.25rem; }
.qcm-q-num {
  font-family: var(--fm); font-size: .64rem; font-weight: 700;
  letter-spacing: .12em; text-transform: uppercase; color: var(--labo); margin-bottom: .3rem;
}
.qcm-q-enonce { font-size: var(--fs-sm); color: var(--text); line-height: 1.6; margin-bottom: .85rem; font-weight: 600; }
.qcm-opts { display: flex; flex-direction: column; gap: .45rem; }
.qcm-opt {
  display: flex; align-items: flex-start; gap: .7rem;
  font-size: var(--fs-sm); color: var(--text2);
  cursor: pointer; padding: .5rem .65rem;
  border-radius: 8px; border: 1px solid var(--border2);
  background: #fff; width: 100%;
  transition: background .15s, border-color .15s;
}
.qcm-opt:hover { background: var(--bg2); border-color: var(--border); }
.qcm-opt-letter {
  min-width: 22px; height: 22px; border-radius: 50%;
  border: 1.5px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--fm); font-size: .64rem; color: var(--dim);
  flex-shrink: 0; margin-top: .05rem;
}
.qcm-opt.selected { border-color: rgba(0,157,220,.35); color: var(--text); }
.qcm-opt.selected .qcm-opt-letter { border-color: var(--c-entree); background: rgba(0,157,220,.12); color: var(--c-entree); }
.qcm-opt.correct { border-color: rgba(97,187,70,.4); background: rgba(97,187,70,.05); color: var(--text); }
.qcm-opt.correct .qcm-opt-letter { border-color: var(--c-ok); background: rgba(97,187,70,.15); color: #16a34a; }
.qcm-opt.wrong { border-color: rgba(224,58,62,.35); }
.qcm-opt.wrong .qcm-opt-letter { border-color: var(--c-err); background: rgba(224,58,62,.12); color: var(--c-err); }
.qcm-expl { margin-top: .6rem; padding: .5rem .75rem; border-radius: 6px; font-size: var(--fs-xs); line-height: 1.55; display: none; }
.qcm-expl.show { display: block; }
.qcm-expl.ok { background: rgba(97,187,70,.08); color: #16a34a; border: 1px solid rgba(97,187,70,.25); }
.qcm-expl.ko { background: rgba(224,58,62,.06); color: var(--c-err); border: 1px solid rgba(224,58,62,.2); }
.qcm-submit-row { margin-top: 1.5rem; display: flex; gap: .75rem; align-items: center; flex-wrap: wrap; }
.qcm-score { font-family: var(--fd); font-size: var(--fs-md); font-weight: 800; color: var(--text); display: none; }
.score-col-good { color: #16a34a; }
.score-col-mid  { color: var(--c-entree); }
.score-col-bad  { color: var(--c-err); }

/* ==========================================================
   FOOTER
   ========================================================== */
footer { background: var(--bg2); border-top: 1px solid var(--border2); padding: 1.1rem 2rem; margin-top: auto; }
.footer-inner { max-width: 1060px; margin: 0 auto; display: flex; align-items: center; justify-content: space-between; gap: 1rem; flex-wrap: wrap; }
.footer-logo { font-family: var(--fd); font-size: var(--fs-lg); font-weight: 800; letter-spacing: -.02em; line-height: 1; }
.footer-copy { font-size: var(--fs-xs); color: var(--dim); }
.footer-links { display: flex; gap: 1.5rem; list-style: none; flex-wrap: wrap; }
.footer-links a { font-size: var(--fs-xs); color: var(--dim); }
.footer-links a:hover { color: var(--text); }

/* ==========================================================
   RESPONSIVE
   ========================================================== */
@media (max-width: 768px) {
  .page-desktop  { padding: 1rem; }
  .page-win-body { padding: 1.25rem; }
  .hero-layout   { flex-direction: column; }
  .hero-visual-side { display: none; }
  .cat-grid, .dd-zones { grid-template-columns: 1fr; }
  .notion-grid { grid-template-columns: 1fr 1fr; }
  .hs-dot { width: 26px; height: 26px; }
  .hs-dot-icon { font-size: .7rem; }
  .tt-text { line-height: 2.8; }
  .footer-inner { flex-direction: column; align-items: flex-start; }
}
@media (max-width: 480px) {
  .notion-grid { grid-template-columns: 1fr; }
}

/* ==========================================================
   TABLEAUX DE COURS
   ========================================================== */
.cours-table {
  width: 100%; border-collapse: collapse;
  font-size: var(--fs-sm); margin: 1rem 0 1.25rem;
  border: 1px solid var(--border2); border-radius: var(--radius);
  overflow: hidden;
}
.cours-table th {
  background: var(--bg2); color: var(--text);
  font-family: var(--fd); font-size: var(--fs-xs); font-weight: 800;
  text-align: left; padding: .6rem .9rem;
  border-bottom: 1px solid var(--border2);
}
.cours-table td {
  padding: .55rem .9rem; color: var(--text2);
  border-bottom: 1px solid var(--border2); line-height: 1.55;
}
.cours-table tr:last-child td { border-bottom: none; }
.cours-table tr:hover td { background: var(--bg); color: var(--text); }
.cours-table strong { color: var(--text); }

/* Schéma entrée → traitement → sortie */
.flux {
  display: flex; align-items: stretch; gap: .75rem;
  margin: 1.25rem 0; flex-wrap: wrap;
}
.flux-etape {
  flex: 1; min-width: 150px;
  border: 1px solid var(--border2); border-radius: 10px;
  padding: 1rem; text-align: center; background: var(--bg);
  position: relative;
}
.flux-etape::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px; }
.flux-etape.e::before { background: var(--c-entree); }
.flux-etape.t::before { background: var(--c-uc); }
.flux-etape.s::before { background: var(--c-sortie); }
.flux-icone { font-size: 1.8rem; display: block; margin-bottom: .4rem; }
.flux-titre {
  font-family: var(--fd); font-size: var(--fs-sm); font-weight: 800;
  color: var(--text); margin-bottom: .25rem;
}
.flux-etape.e .flux-titre { color: var(--c-entree); }
.flux-etape.t .flux-titre { color: var(--c-uc); }
.flux-etape.s .flux-titre { color: var(--c-sortie); }
.flux-desc { font-size: var(--fs-xs); color: var(--text2); line-height: 1.5; }
.flux-fleche {
  display: flex; align-items: center; color: var(--dim);
  font-size: 1.3rem; flex: 0 0 auto;
}
@media (max-width: 700px) { .flux-fleche { display: none; } }