/* ===================================================================
   Formations — hub des modules, bibliothèque de prompts et lecteur de leçon.
   =================================================================== */

.fx-hub { max-width: 1000px; margin: 0 auto; }
.fx-hub .modgrid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
@media (max-width: 760px) { .fx-hub .modgrid { grid-template-columns: 1fr; } }

.modcard {
  position: relative; overflow: hidden;
  background: linear-gradient(180deg, var(--panel-2), var(--panel));
  border: 1px solid var(--line); border-radius: 18px;
  padding: 26px; text-decoration: none; color: var(--txt);
  transition: transform .12s, border-color .12s, box-shadow .12s;
}
.modcard:hover { transform: translateY(-3px); border-color: var(--accent, var(--brand)); box-shadow: 0 16px 40px rgba(0,0,0,.4); text-decoration: none; }
.modcard .emoji { font-size: 40px; }
.modcard h3 { font-size: 20px; margin: 14px 0 6px; }
.modcard p { color: var(--txt-soft); font-size: 14px; margin: 0 0 16px; }
.modcard .meta { display: flex; align-items: center; gap: 10px; font-size: 13px; color: var(--txt-dim); }
.modcard .bar { height: 4px; border-radius: 4px; background: var(--accent); width: 46px; }
.modcard .glow { position: absolute; inset: -40% 40% auto auto; width: 200px; height: 200px;
  background: radial-gradient(circle, var(--accent), transparent 70%); opacity: .18; filter: blur(20px); }

/* ---------- Hub : progression globale + rubriques ---------- */
.fx-progress {
  background: linear-gradient(180deg, var(--panel-2), var(--panel));
  border: 1px solid var(--line); border-radius: 14px;
  padding: 14px 20px; margin-bottom: 28px;
}
.fx-progress .fxp-row { display: flex; align-items: center; gap: 16px; }
.fx-progress .fxp-txt { font-size: 14px; color: var(--txt-soft); white-space: nowrap; }
.fx-progress .fxp-txt b { color: var(--txt); font-size: 16px; }
.fx-progress .fxp-bar { flex: 1; height: 8px; border-radius: 8px; background: rgba(255,255,255,.07); overflow: hidden; }
.fx-progress .fxp-bar i { display: block; height: 100%; border-radius: 8px;
  background: linear-gradient(90deg, #22c55e, #4ade80); transition: width .4s; }

.rubrique { margin-bottom: 40px; }
.rub-head {
  display: flex; align-items: center; gap: 16px; margin-bottom: 18px;
  padding: 16px 20px; border-radius: 16px;
  background: linear-gradient(90deg, color-mix(in srgb, var(--r-accent) 14%, transparent), transparent 70%);
  border: 1px solid color-mix(in srgb, var(--r-accent) 35%, var(--line));
  border-left: 4px solid var(--r-accent);
}
.rub-emoji { font-size: 32px; flex-shrink: 0; }
.rub-titles { flex: 1; }
.rub-titles h2 { margin: 0; font-size: 20px; letter-spacing: -.01em; }
.rub-titles p { margin: 4px 0 0; font-size: 13px; color: var(--txt-soft); }
.rub-count {
  font-size: 13px; font-weight: 800; padding: 6px 13px; border-radius: 999px;
  background: rgba(255,255,255,.08); color: var(--txt-soft); flex-shrink: 0;
}
.rub-count.full { background: #22c55e; color: #06301a; }

/* ---------- Cartes formation « style landing » : trait de progression + points ✓ ---------- */
.fcard { display: flex; flex-direction: column; padding-top: 32px; }
.fcard .fc-prog {
  position: absolute; top: 0; left: 0; right: 0; height: 6px;
  background: rgba(255,255,255,.07);
}
.fcard .fc-prog i {
  display: block; height: 100%;
  background: linear-gradient(90deg, var(--accent), color-mix(in srgb, var(--accent) 55%, #fff));
  border-radius: 0 6px 6px 0; transition: width .4s;
}
.fcard.done .fc-prog i { background: linear-gradient(90deg, #16a34a, #4ade80); border-radius: 0; }
.fcard .fc-tagline { color: var(--txt-soft); font-size: 14px; line-height: 1.55; margin: 0 0 14px; }
.fcard .fc-points {
  list-style: none; padding: 0; margin: 0 0 16px;
  border-top: 1px solid var(--line);
}
.fcard .fc-points li {
  position: relative; padding: 11px 0 11px 28px;
  font-size: 13.5px; font-weight: 600; line-height: 1.45; color: var(--txt);
}
.fcard .fc-points li + li { border-top: 1px solid var(--line); }
.fcard .fc-points li::before {
  content: "✓"; position: absolute; left: 4px; top: 10px;
  color: var(--accent); font-weight: 800;
}
.fcard .fc-meta { margin-top: auto; justify-content: space-between; }
.fcard .fc-open {
  font-weight: 800; color: var(--accent);
  padding: 6px 13px; border-radius: 999px;
  background: color-mix(in srgb, var(--accent) 14%, transparent);
  border: 1px solid color-mix(in srgb, var(--accent) 40%, transparent);
  transition: background .12s;
}
.fcard:hover .fc-open { background: color-mix(in srgb, var(--accent) 26%, transparent); }

/* Badges sur les cartes du hub */
.modcard { }
.modcard .mod-badge {
  position: absolute; top: 16px; right: 16px; z-index: 2;
  font-size: 12px; font-weight: 800; padding: 5px 11px; border-radius: 999px;
}
.modcard .mod-badge.ok   { background: #22c55e; color: #06301a; }
.modcard .mod-badge.todo { background: rgba(255,255,255,.12); color: #ffd7a1; border: 1px solid rgba(245,158,11,.5); }
.modcard.gated { border-color: color-mix(in srgb, var(--accent) 55%, var(--line)); }
.modcard.done { opacity: .92; }

/* ── Lightbox plein écran ──────────────────────────────────────── */
.lightbox {
  position: fixed; inset: 0; z-index: 9999;
  display: flex; align-items: center; justify-content: center;
  padding: 4vmin; background: rgba(4,7,18,.92);
  backdrop-filter: blur(4px);
  animation: lb-in .14s ease;
}
.lightbox[hidden] { display: none !important; }
.lightbox img {
  max-width: 96vw; max-height: 92vh; height: auto;
  border-radius: 12px; cursor: zoom-out;
  box-shadow: 0 30px 80px rgba(0,0,0,.6);
  border: 1px solid rgba(255,255,255,.14);
}
.lightbox .lb-close {
  position: absolute; top: 18px; right: 22px;
  width: 46px; height: 46px; border-radius: 50%;
  border: 1px solid rgba(255,255,255,.25);
  background: rgba(255,255,255,.1); color: #fff;
  font-size: 20px; cursor: pointer; line-height: 1;
  display: flex; align-items: center; justify-content: center;
  transition: background .12s;
}
.lightbox .lb-close:hover { background: rgba(255,255,255,.22); }
@keyframes lb-in { from { opacity: 0; } to { opacity: 1; } }

/* ---------- En-tête du hub : titre + bouton « Tous les prompts » ---------- */
.fx-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 18px; flex-wrap: wrap; }
.fx-head > div { flex: 1 1 420px; min-width: 0; }
.fx-head .lead { margin-bottom: 0; }
.fx-prompts-btn { white-space: nowrap; margin-top: 4px; }

/* ---------- Progression globale : compteurs ---------- */
.fx-progress .fxp-pct { font-size: 13px; font-weight: 800; color: var(--txt-soft); font-variant-numeric: tabular-nums; }
.fx-progress .fxp-stats {
  display: flex; flex-wrap: wrap; gap: 8px 18px; margin-top: 12px; padding-top: 12px;
  border-top: 1px solid var(--line); font-size: 13px; color: var(--txt-soft);
}
.fx-progress .fxp-stats b { color: var(--txt); }
.fx-progress .fxp-new { color: #ffd7a1; font-weight: 600; margin-left: auto; }
@media (max-width: 640px) {
  .fx-progress .fxp-txt { font-size: 13px; }
  .fx-progress .fxp-new { margin-left: 0; }
}

/* ---------- Puces niveau / durée (cartes + barre du lecteur) ---------- */
/* ---------- Diapo « prompt » : bloc monospace + bouton copier ---------- */
.slide .kicker.kicker-cat { color: #e9d5ff; }
.promptbox {
  margin-top: 18px; border-radius: 14px; overflow: hidden; text-align: left;
  border: 1px solid color-mix(in srgb, var(--accent, #3b82f6) 45%, rgba(255,255,255,.12));
  background: #0b1020; box-shadow: 0 16px 40px rgba(0,0,0,.35);
}
.promptbox .pb-head, .promptbox .pb-foot {
  display: flex; align-items: center; gap: 10px; flex-wrap: wrap;
  padding: 10px 14px; background: rgba(255,255,255,.05);
}
.promptbox .pb-head { border-bottom: 1px solid rgba(255,255,255,.09); }
.promptbox .pb-foot { border-top: 1px solid rgba(255,255,255,.09); justify-content: flex-end; }
.pb-cat {
  display: inline-block; font-size: 11.5px; font-weight: 800; letter-spacing: .06em; text-transform: uppercase;
  padding: 4px 10px; border-radius: 999px;
  background: color-mix(in srgb, var(--accent, #3b82f6) 22%, transparent);
  border: 1px solid color-mix(in srgb, var(--accent, #3b82f6) 55%, transparent);
  color: #fff; white-space: nowrap;
}
.promptbox .pb-hint { font-size: 12.5px; color: rgba(230,235,255,.55); flex: 1; }
.pb-copy {
  display: inline-flex; align-items: center; gap: 6px;
  background: var(--accent, #3b82f6); color: #fff; border: none;
  padding: 8px 14px; border-radius: 9px; font: inherit; font-size: 13.5px; font-weight: 800;
  cursor: pointer; transition: background .12s, transform .06s; white-space: nowrap;
}
.pb-copy:hover { filter: brightness(1.1); }
.pb-copy:active { transform: translateY(1px); }
.pb-copy.copied { background: #22c55e; color: #06301a; }
.promptbox .pb-text {
  margin: 0; padding: 16px 18px; max-height: 46vh; overflow: auto;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 14px; line-height: 1.65; color: #e8ecff;
  white-space: pre-wrap; word-break: break-word;
}
@media (max-width: 640px) {
  .promptbox .pb-hint { display: none; }
  .promptbox .pb-text { font-size: 13px; padding: 14px; max-height: none; }
}

/* ---------- Cartes du hub : badge « Pour les revendeurs » ---------- */
.modcard .mod-badge.lock { background: rgba(245,158,11,.16); color: #ffd7a1; border: 1px solid rgba(245,158,11,.55); }
.modcard.rlocked { cursor: default; opacity: .8; border-style: dashed; }
.modcard.rlocked:hover { transform: none; box-shadow: none; border-color: var(--line); }
.modcard.rlocked .fc-open-lock { color: #ffd7a1; background: rgba(245,158,11,.14); border-color: rgba(245,158,11,.5); }
.modcard.rlocked .fc-open-lock:hover { background: rgba(245,158,11,.28); text-decoration: none; }
.rub-count.rub-count-lock { background: rgba(245,158,11,.16); color: #ffd7a1; border: 1px solid rgba(245,158,11,.5); }
.rub-locked-note {
  display: flex; align-items: center; gap: 18px; flex-wrap: wrap;
  margin: -6px 0 18px; padding: 16px 20px; border-radius: 14px;
  background: rgba(245,158,11,.08); border: 1px solid rgba(245,158,11,.4);
}
.rub-locked-note .rln-txt { flex: 1 1 320px; font-size: 14px; line-height: 1.55; color: var(--txt-soft); }
.rub-locked-note .rln-txt b { display: block; color: #ffe6b0; margin-bottom: 4px; font-size: 15px; }
.rub-locked-note .btn { white-space: nowrap; }

/* ---------- En-tête minimal acheteur ---------- */
.nav-buyer .topbar-in { flex-wrap: wrap; height: auto; min-height: 60px; padding: 8px 20px; row-gap: 6px; }
.nav-buyer .navright { margin-left: auto; flex-wrap: wrap; }
.nav-buyer .buyer-cta { color: #ffd7a1; border-color: rgba(245,158,11,.5); }
.nav-buyer .buyer-cta:hover { background: rgba(245,158,11,.15); color: #ffe6b0; }
@media (max-width: 640px) {
  .nav-buyer .who { display: none; }
  .nav-buyer .mainnav a { padding: 6px 10px; font-size: 13px; }
}

/* ---------- Bibliothèque de prompts ---------- */
.plib { max-width: 1000px; margin: 0 auto; }
.plib-tools { display: flex; gap: 12px; flex-wrap: wrap; align-items: center; margin-bottom: 14px; }
.plib-search {
  flex: 1 1 280px; display: flex; align-items: center; gap: 10px;
  background: var(--panel); border: 1px solid var(--line-2); border-radius: 12px; padding: 0 14px;
}
.plib-search input {
  flex: 1; background: transparent; border: none; outline: none; color: var(--txt);
  font: inherit; font-size: 15px; padding: 12px 0; min-width: 0;
}
.plib-search:focus-within { border-color: var(--brand); box-shadow: 0 0 0 3px rgba(59,130,246,.2); }
.plib-dl { white-space: nowrap; }
.plib-cats { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 22px; }
.plib-cat {
  display: inline-flex; align-items: center; gap: 6px;
  background: var(--panel); border: 1px solid var(--line-2); color: var(--txt-soft);
  padding: 7px 13px; border-radius: 999px; font: inherit; font-size: 13.5px; font-weight: 700; cursor: pointer;
  transition: background .12s, color .12s, border-color .12s;
}
.plib-cat i { font-style: normal; font-size: 11.5px; padding: 1px 7px; border-radius: 999px; background: rgba(255,255,255,.08); }
.plib-cat:hover { background: var(--panel-2); color: var(--txt); }
.plib-cat.on { background: var(--brand-2); border-color: var(--brand-2); color: #fff; }
.plib-cat.on i { background: rgba(255,255,255,.2); }
.plib-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
@media (max-width: 800px) { .plib-grid { grid-template-columns: 1fr; } }
.pcard {
  display: flex; flex-direction: column; gap: 10px; min-width: 0;
  background: linear-gradient(180deg, var(--panel-2), var(--panel));
  border: 1px solid var(--line); border-top: 3px solid var(--accent, var(--brand));
  border-radius: 16px; padding: 18px 20px 16px;
}
.pcard[hidden] { display: none; }
.pcard .pc-top { display: flex; align-items: center; justify-content: space-between; gap: 10px; flex-wrap: wrap; }
.pcard .pc-mod { font-size: 12.5px; color: var(--txt-dim); font-weight: 600; }
.pcard .pc-mod:hover { color: var(--txt); text-decoration: none; }
.pcard h3 { margin: 0; font-size: 18px; line-height: 1.3; letter-spacing: -.01em; }
.pcard .pc-when { margin: 0; font-size: 14px; line-height: 1.55; color: var(--txt-soft); }
.pcard .pc-when b { color: var(--txt); font-weight: 700; }
.pcard .promptbox { margin-top: 2px; }
.pcard .promptbox .pb-text { max-height: 260px; font-size: 13.5px; }
.pcard .pc-note { margin: 0; font-size: 13.5px; line-height: 1.55; color: #cfe0ff; }
.plib-empty { text-align: center; padding: 30px 0; }

/* ============================================================
   LEÇON « PAS À PAS » — une colonne, gros texte, une étape =
   une capture. Thème sombre identique au tableau de bord.
   ============================================================ */
.lesson-body {
  --accent: #3b82f6;
  --paper: #0b1220; --paper-2: #0f172a;
  --surface: #131c31; --surface-2: #172138; --surface-3: #1c2740;
  --ink: #e8eefc; --ink-2: #b7c3de; --ink-3: #7d8bab;
  --line: #23304d; --line-2: #2c3b5c;
  --ok: #4ade80; --ok-bg: rgba(34,197,94,.10); --ok-line: rgba(34,197,94,.45);
  --warn: #fbbf24; --warn-bg: rgba(245,158,11,.10); --warn-line: rgba(245,158,11,.45);
  --bad: #f87171; --bad-bg: rgba(239,68,68,.10); --bad-line: rgba(239,68,68,.45);
  --acc-soft: color-mix(in srgb, var(--accent) 14%, var(--surface));
  --acc-line: color-mix(in srgb, var(--accent) 45%, transparent);
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: "Source Sans 3", "Segoe UI", system-ui, -apple-system, sans-serif;
  font-size: 17.5px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  color-scheme: dark;
}
.lesson-body *, .lesson-body *::before, .lesson-body *::after { box-sizing: border-box; }
.lesson-body h1, .lesson-body h2, .lesson-body h3 { font-family: Manrope, "Segoe UI", system-ui, sans-serif; color: #fff; text-wrap: balance; }
.lesson-body a { color: #93c5fd; }
.lesson-body img { max-width: 100%; }

/* ---------- Barre du haut ---------- */
.lesson-body .ltop {
  position: sticky; top: 0; z-index: 50;
  display: flex; align-items: center; gap: 16px;
  padding: 10px 18px;
  background: rgba(11,18,32,.92);
  backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.lesson-body .lt-back { color: var(--ink-2); text-decoration: none; font-size: 15px; white-space: nowrap; }
.lesson-body .lt-back:hover { color: #fff; }
.lesson-body .lt-title { flex: 1; min-width: 0; font-family: Manrope, sans-serif; font-weight: 700; font-size: 15px; color: #fff; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.lesson-body .lt-prog { display: flex; align-items: center; gap: 10px; font-size: 13px; color: var(--ink-2); white-space: nowrap; }
.lesson-body .lt-prog .bar { display: block; width: 120px; height: 6px; border-radius: 6px; background: rgba(255,255,255,.08); overflow: hidden; }
.lesson-body .lt-prog .bar b { display: block; height: 100%; width: 0; background: var(--accent); border-radius: 6px; transition: width .3s; }
.lesson-body .lt-prog.full .bar b { background: var(--ok); }

/* ---------- Colonne ---------- */
.lesson-body .larticle { max-width: 780px; margin: 0 auto; padding: 36px 22px 60px; }

/* ---------- En-tête ---------- */
.lesson-body .hero { padding: 8px 0 28px; border-bottom: 1px solid var(--line); margin-bottom: 8px; }
.lesson-body .hero-emoji { font-size: 44px; line-height: 1; margin-bottom: 14px; }
.lesson-body .hero h1 { margin: 0 0 10px; font-size: clamp(28px, 4.6vw, 40px); line-height: 1.12; letter-spacing: -.01em; }
.lesson-body .hero .subtitle { margin: 0; font-size: 20px; color: var(--ink-2); }
.lesson-body .hero .intro { margin-top: 14px; color: var(--ink-2); }
.lesson-body .hero .intro p { margin: 0 0 8px; }
.lesson-body .hero-how {
  display: flex; gap: 12px; align-items: flex-start;
  margin-top: 20px; padding: 14px 16px; border-radius: 12px;
  background: var(--acc-soft); border: 1px solid var(--acc-line);
  color: var(--ink); font-size: 16px;
}
.lesson-body .hero-how b { color: #fff; }
.lesson-body .hero-done {
  margin-top: 14px; padding: 12px 16px; border-radius: 12px;
  background: var(--ok-bg); border: 1px solid var(--ok-line); color: #bbf7d0; font-size: 16px;
}

/* ---------- Une étape ---------- */
.lesson-body .ls { padding: 44px 0 8px; border-bottom: 1px solid var(--line); }
.lesson-body .ls:last-of-type { border-bottom: 0; }
.lesson-body .ls-num {
  display: inline-block; margin-bottom: 12px;
  padding: 5px 12px; border-radius: 999px;
  background: var(--accent); color: #fff;
  font-family: Manrope, sans-serif; font-weight: 800; font-size: 13px; letter-spacing: .06em; text-transform: uppercase;
}
.lesson-body .ls.is-done .ls-num { background: #16a34a; }
.lesson-body .ls.is-done .ls-num::after { content: " ✓"; }
.lesson-body .ls h2 { margin: 0 0 14px; font-size: clamp(22px, 3.4vw, 27px); line-height: 1.2; }
.lesson-body .ls .subtitle { margin: -6px 0 14px; color: var(--ink-2); font-size: 18px; }
.lesson-body .body p { margin: 0 0 12px; }
.lesson-body .body p:last-child { margin-bottom: 0; }

/* Listes : une action par ligne */
.lesson-body .bullets { list-style: none; margin: 16px 0 0; padding: 0; }
.lesson-body .bullets li {
  position: relative; padding: 10px 0 10px 34px; border-top: 1px solid var(--line);
}
.lesson-body .bullets li:first-child { border-top: 0; }
.lesson-body .bullets li::before {
  content: "→"; position: absolute; left: 4px; top: 10px; color: var(--accent); font-weight: 700;
}
.lesson-body .bullets.steps { counter-reset: st; }
.lesson-body .bullets.steps li { padding-left: 42px; counter-increment: st; }
.lesson-body .bullets.steps li::before {
  content: counter(st); left: 0; top: 11px;
  width: 26px; height: 26px; border-radius: 50%;
  background: var(--surface-3); border: 1px solid var(--line-2); color: #fff;
  font-size: 13px; font-weight: 800; text-align: center; line-height: 24px;
}

/* ---------- Capture d'écran ---------- */
.lesson-body .shot { margin: 20px 0 0; }
.lesson-body .shot-wrap {
  position: relative; border-radius: 12px; overflow: hidden;
  border: 1px solid var(--line-2); background: #0f172a;
  box-shadow: 0 16px 40px rgba(0,0,0,.45);
}
.lesson-body .shot-wrap img { display: block; width: 100%; height: auto; cursor: zoom-in; }
.lesson-body .hs {
  position: absolute; transform: translate(-50%, -50%);
  width: 28px; height: 28px; border-radius: 50%;
  background: var(--accent); color: #fff; border: 3px solid #fff;
  font: 800 13px/22px Manrope, sans-serif; text-align: center;
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--accent) 35%, transparent), 0 4px 12px rgba(0,0,0,.5);
}
.lesson-body figcaption { margin: 10px 2px 0; font-size: 14px; color: var(--ink-3); }
.lesson-body .legend { list-style: none; margin: 14px 0 0; padding: 0; counter-reset: lg; }
.lesson-body .legend li {
  position: relative; padding: 8px 0 8px 40px; counter-increment: lg; color: var(--ink-2); font-size: 16px;
}
.lesson-body .legend li::before {
  content: counter(lg); position: absolute; left: 0; top: 8px;
  width: 26px; height: 26px; border-radius: 50%;
  background: var(--accent); color: #fff; border: 2px solid #fff;
  font: 800 12px/22px Manrope, sans-serif; text-align: center;
}

/* ---------- Cases « C'est fait » ---------- */
.lesson-body .gate {
  display: flex; align-items: center; gap: 14px;
  margin: 22px 0 18px; padding: 14px 16px; border-radius: 12px;
  background: var(--surface); border: 1px solid var(--line-2);
  cursor: pointer; font-size: 16.5px; transition: border-color .2s, background .2s;
}
.lesson-body .gate:hover { border-color: var(--acc-line); }
.lesson-body .gate input { width: 24px; height: 24px; margin: 0; accent-color: #22c55e; flex: none; cursor: pointer; }
.lesson-body .gate span { color: var(--ink); }
.lesson-body .gate .g-lab { color: var(--ink-3); font-size: 13px; letter-spacing: .06em; text-transform: uppercase; font-weight: 700; display: block; }
.lesson-body .gate.checked { background: var(--ok-bg); border-color: var(--ok-line); }
.lesson-body .gate.checked span { color: #bbf7d0; }
.lesson-body .gate.gate-attn { animation: quizAttn .5s ease; }

/* ---------- Quiz (petit contrôle) ---------- */
.lesson-body .quiz {
  margin: 22px 0 18px; padding: 18px 20px 20px; border-radius: 14px;
  background: var(--acc-soft); border: 1px solid var(--acc-line);
}
.lesson-body .quiz-q { margin: 0 0 14px; font-size: 17px; font-weight: 700; color: var(--ink); }
.lesson-body .quiz-opts { display: grid; gap: 10px; }
.lesson-body .quiz-opt {
  display: block; width: 100%; text-align: left; font: inherit; font-size: 15.5px;
  padding: 12px 16px; border-radius: 10px; background: var(--surface); border: 1px solid var(--line-2);
  color: var(--ink); cursor: pointer; transition: border-color .2s, background .2s;
}
.lesson-body .quiz-opt:hover:not(:disabled) { border-color: var(--acc-line); background: color-mix(in srgb, var(--accent) 10%, var(--surface)); }
.lesson-body .quiz-opt:disabled { cursor: default; }
.lesson-body .quiz.answered .quiz-opt:not(.ok):not(.ko) { opacity: .5; }
.lesson-body .quiz-opt.ok { background: var(--ok-bg); border-color: var(--ok-line); color: #bbf7d0; font-weight: 700; }
.lesson-body .quiz-opt.ko { background: var(--bad-bg); border-color: var(--bad-line); color: #fecaca; }
.lesson-body .quiz-result { margin: 14px 0 0; font-weight: 700; font-size: 15px; }
.lesson-body .quiz.quiz-good .quiz-result { color: var(--ok); }
.lesson-body .quiz.quiz-bad .quiz-result { color: var(--bad); }
.lesson-body .quiz-explain {
  margin: 10px 0 0; padding: 12px 16px; border-radius: 10px; font-size: 15px;
  background: var(--surface); border-left: 4px solid var(--accent); color: var(--ink-2);
}
.lesson-body .quiz.gate-attn { animation: quizAttn .5s ease; }
@keyframes quizAttn {
  0%, 100% { box-shadow: none; }
  30% { box-shadow: 0 0 0 4px color-mix(in srgb, var(--accent) 45%, transparent); }
}

/* ---------- Note simple ---------- */
.lesson-body .note {
  margin: 18px 0 0; padding: 12px 16px; border-radius: 10px;
  background: var(--surface); border-left: 4px solid var(--accent); color: var(--ink-2); font-size: 16px;
}
.lesson-body .note.warn { border-left-color: var(--warn); background: var(--warn-bg); color: #fde68a; }

/* ---------- Blocs simples (cartes, flux, comparaison, chiffres) ---------- */
.lesson-body .simple-list { list-style: none; margin: 16px 0 0; padding: 0; display: grid; gap: 10px; }
.lesson-body .simple-list li {
  display: flex; gap: 14px; align-items: flex-start;
  padding: 14px 16px; border-radius: 12px; background: var(--surface); border: 1px solid var(--line);
}
.lesson-body .simple-list .ci { font-size: 24px; line-height: 1.1; flex: none; }
.lesson-body .simple-list .fl-n {
  flex: none; width: 30px; height: 30px; border-radius: 50%; background: var(--accent); color: #fff;
  font: 800 14px/30px Manrope, sans-serif; text-align: center;
}
.lesson-body .simple-list b { display: block; color: #fff; }
.lesson-body .simple-list p, .lesson-body .simple-list span.fl-h { display: block; margin: 2px 0 0; color: var(--ink-2); font-size: 16px; }

.lesson-body .compare { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 18px; }
.lesson-body .cmp { padding: 14px 16px; border-radius: 12px; border: 1px solid var(--line); background: var(--surface); font-size: 16px; }
.lesson-body .cmp.bad { border-color: var(--bad-line); background: var(--bad-bg); }
.lesson-body .cmp.good { border-color: var(--ok-line); background: var(--ok-bg); }
.lesson-body .cmp-head { font-family: Manrope, sans-serif; font-weight: 800; color: #fff; margin-bottom: 8px; }
.lesson-body .cmp.bad .cmp-head { color: var(--bad); }
.lesson-body .cmp.good .cmp-head { color: var(--ok); }
.lesson-body .cmp p { margin: 0 0 8px; color: var(--ink-2); }
.lesson-body .cmp ul { margin: 0; padding-left: 18px; color: var(--ink-2); }
.lesson-body .cmp img { border-radius: 8px; border: 1px solid var(--line-2); margin-bottom: 8px; cursor: zoom-in; }

.lesson-body .nums { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 18px; }
.lesson-body .num { flex: 1 1 140px; padding: 14px 16px; border-radius: 12px; background: var(--surface); border: 1px solid var(--line); }
.lesson-body .num b { display: block; font-family: Manrope, sans-serif; font-size: 26px; color: #fff; line-height: 1.1; }
.lesson-body .num span { display: block; color: var(--ink-2); font-size: 15px; margin-top: 4px; }
.lesson-body .num small { display: block; color: var(--ink-3); font-size: 13px; margin-top: 2px; }

/* ---------- Maquettes (écran / chat) ---------- */
.lesson-body .mockshot, .lesson-body .chatmock { margin-top: 18px; border-radius: 12px; overflow: hidden; border: 1px solid var(--line-2); background: var(--surface); }
.lesson-body .ms-bar, .lesson-body .cm-bar { display: flex; align-items: center; gap: 6px; padding: 9px 12px; background: var(--surface-3); border-bottom: 1px solid var(--line-2); font-size: 13px; color: var(--ink-3); }
.lesson-body .ms-bar i { width: 10px; height: 10px; border-radius: 50%; background: var(--line-2); }
.lesson-body .ms-url { margin-left: 8px; font-family: ui-monospace, Consolas, monospace; color: var(--ink-2); }
.lesson-body .ms-body { padding: 16px; }
.lesson-body .ms-title { font-family: Manrope, sans-serif; font-weight: 800; color: #fff; margin-bottom: 10px; }
.lesson-body .ms-item { display: flex; gap: 12px; padding: 10px 0; border-top: 1px solid var(--line); font-size: 16px; }
.lesson-body .ms-item:first-of-type { border-top: 0; }
.lesson-body .ms-n { flex: none; width: 24px; height: 24px; border-radius: 50%; background: var(--accent); color: #fff; font: 800 12px/24px Manrope, sans-serif; text-align: center; }
.lesson-body .ms-item b { color: #fff; }
.lesson-body .ms-item span { display: block; color: var(--ink-2); font-size: 15px; }
.lesson-body .cm-bar b { color: #fff; }
.lesson-body .cm-dot { width: 9px; height: 9px; border-radius: 50%; background: var(--ok); }
.lesson-body .cm-body { padding: 14px; display: grid; gap: 10px; }
.lesson-body .cm-msg { display: flex; gap: 10px; font-size: 16px; }
.lesson-body .cm-ava { flex: none; width: 34px; height: 34px; border-radius: 50%; background: var(--surface-3); color: var(--ink-2); font: 800 10px/34px Manrope, sans-serif; text-align: center; }
.lesson-body .cm-user .cm-ava { background: var(--accent); color: #fff; }
.lesson-body .cm-bubble { padding: 10px 14px; border-radius: 12px; background: var(--surface-2); border: 1px solid var(--line); color: var(--ink); }
.lesson-body .cm-user .cm-bubble { background: var(--acc-soft); border-color: var(--acc-line); }

/* ---------- Prompt à copier ---------- */
.lesson-body .promptbox { margin-top: 18px; border-radius: 12px; overflow: hidden; border: 1px solid var(--acc-line); background: var(--surface); }
.lesson-body .pb-head { display: flex; align-items: center; gap: 10px; padding: 10px 14px; background: var(--acc-soft); border-bottom: 1px solid var(--line); font-size: 14px; color: var(--ink-2); }
.lesson-body .pb-cat { font-weight: 700; color: #fff; }
.lesson-body .pb-hint { flex: 1; }
.lesson-body .pb-copy { border: 0; border-radius: 8px; padding: 7px 12px; background: var(--accent); color: #fff; font: 700 13px Manrope, sans-serif; cursor: pointer; }
.lesson-body .pb-copy.copied { background: #16a34a; }
.lesson-body .pb-text { margin: 0; padding: 16px; white-space: pre-wrap; font-family: ui-monospace, Consolas, monospace; font-size: 14px; line-height: 1.55; color: var(--ink); }

/* ---------- Fin ---------- */
.lesson-body .finish {
  display: flex; align-items: center; justify-content: space-between; gap: 18px; flex-wrap: wrap;
  margin-top: 40px; padding: 22px 24px; border-radius: 16px;
  background: linear-gradient(135deg, var(--surface-2), var(--surface)); border: 1px solid var(--line-2);
}
.lesson-body .finish.done { border-color: var(--ok-line); background: var(--ok-bg); }
.lesson-body .f-txt b { display: block; font-family: Manrope, sans-serif; font-size: 20px; color: #fff; margin-bottom: 4px; }
.lesson-body .f-txt span { color: var(--ink-2); font-size: 16px; }
.lesson-body .f-btn {
  border: 0; border-radius: 12px; padding: 14px 24px; cursor: pointer;
  background: var(--accent); color: #fff; font: 800 17px Manrope, sans-serif;
  box-shadow: 0 10px 26px color-mix(in srgb, var(--accent) 45%, transparent);
}
.lesson-body .f-btn.locked { opacity: .45; box-shadow: none; }
.lesson-body .f-btn:disabled { opacity: .6; cursor: default; }
.lesson-body .lfoot { margin-top: 26px; display: flex; gap: 18px; flex-wrap: wrap; font-size: 15px; }
.lesson-body .lfoot a { color: var(--ink-2); text-decoration: none; }
.lesson-body .lfoot a:hover { color: #fff; }
.lesson-body .disclaimer { width: 100%; margin: 6px 0 0; font-size: 13px; color: var(--ink-3); }

/* ---------- Lightbox ---------- */
.lesson-body .lightbox { position: fixed; inset: 0; z-index: 200; background: rgba(3,6,14,.92); display: flex; align-items: center; justify-content: center; padding: 24px; cursor: zoom-out; }
.lesson-body .lightbox img { max-width: 100%; max-height: 100%; border-radius: 10px; box-shadow: 0 30px 80px rgba(0,0,0,.7); background: #fff; }
.lesson-body .lb-close { position: absolute; top: 16px; right: 16px; width: 42px; height: 42px; border: 0; border-radius: 50%; background: rgba(255,255,255,.12); color: #fff; font-size: 20px; cursor: pointer; }

/* ---------- Mobile ---------- */
@media (max-width: 640px) {
  .lesson-body { font-size: 16.5px; }
  .lesson-body .ltop { padding: 8px 12px; gap: 10px; }
  .lesson-body .lt-title { display: none; }
  .lesson-body .lt-prog .bar { width: 70px; }
  .lesson-body .larticle { padding: 24px 16px 48px; }
  .lesson-body .compare { grid-template-columns: 1fr; }
  .lesson-body .finish { padding: 18px; }
  .lesson-body .f-btn { width: 100%; }
}