/**
 * Mode lecture scroll — pile verticale de pages (catégories), snap type Reels/TikTok.
 * Une page = une catégorie : tous ses points visibles ensemble.
 * Le scroll vertical passe à la catégorie suivante.
 */

.formation-page--reader .formation-module--reader {
  max-width: none;
  width: 100%;
}

/* Lecture : nav chapitres plus fine, carte chapitre quasi pleine largeur */
.formation-page--reader .formation-module__workspace {
  grid-template-columns: minmax(7.5rem, 11rem) minmax(0, 1fr);
  gap: 0.85rem;
}

.formation-chapter-preview--reader {
  display: grid;
  grid-template-columns: minmax(7.5rem, 9.5rem) minmax(0, 1fr);
  grid-template-rows: auto minmax(0, 1fr) auto;
  grid-template-areas:
    "head head"
    "pages body"
    "recap recap";
  min-height: min(86vh, 980px);
  width: 100%;
  max-width: none;
  background: color-mix(in srgb, var(--da-base, #f1efe9) 88%, #fff);
  border-color: var(--da-line, rgba(38, 42, 48, 0.12));
  box-shadow: none;
}

.formation-chapter-preview--reader .formation-chapter-preview__head {
  grid-area: head;
  padding: 0.65rem 0.9rem;
  background: color-mix(in srgb, var(--da-base-raised, #f6f4ee) 70%, #fff);
  border-bottom-color: var(--da-line, rgba(38, 42, 48, 0.12));
}

.formation-chapter-preview--reader .formation-chapter-preview__badge {
  background: var(--da-accent-soft, rgba(92, 125, 151, 0.14));
  color: var(--da-accent-hover, #4e6a80);
}

.formation-chapter-preview--reader #formationChapterRecap {
  grid-area: recap;
}

/* Rail vertical pédagogique (Installation / Accessoires / …) */
.formation-chapter-preview--reader .formation-reader-pages-host:not([hidden]) {
  grid-area: pages;
  display: flex;
  flex-direction: column;
  padding: 0.85rem 0.55rem 0.85rem 0.65rem;
  border-right: 1px solid var(--da-line, rgba(38, 42, 48, 0.12));
  border-bottom: none;
  background: color-mix(in srgb, var(--da-base, #f1efe9) 70%, #fff);
  overflow-x: hidden;
  overflow-y: auto;
}

.formation-reader-pages {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  flex: 1 1 auto;
}

.formation-reader-pages__item {
  appearance: none;
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  width: 100%;
  border: 1px solid transparent;
  border-radius: 12px;
  padding: 0.55rem 0.5rem;
  background: transparent;
  color: var(--da-ink-muted, rgba(38, 42, 48, 0.72));
  font: inherit;
  font-family: var(--typo-body, Manrope, sans-serif);
  font-size: 0.75rem;
  font-weight: 600;
  text-align: left;
  cursor: pointer;
  transition:
    background 0.28s ease,
    border-color 0.28s ease,
    color 0.28s ease,
    box-shadow 0.28s ease;
}

.formation-reader-pages__item:hover {
  background: color-mix(in srgb, #fff 70%, var(--da-base-raised, #f6f4ee));
  color: var(--da-ink, #262a30);
}

.formation-reader-pages__item.is-active {
  border-color: color-mix(in srgb, var(--da-accent, #5c7d97) 35%, transparent);
  background: #fff;
  color: var(--da-ink, #262a30);
  box-shadow: 0 4px 14px color-mix(in srgb, var(--da-shadow, rgba(38, 42, 48, 0.14)) 55%, transparent);
}

.formation-reader-pages__index {
  display: inline-grid;
  place-items: center;
  flex: 0 0 auto;
  width: 1.4rem;
  height: 1.4rem;
  margin-top: 0.05rem;
  border-radius: 999px;
  background: var(--da-accent, #5c7d97);
  color: var(--da-accent-ink, #f6f7f8);
  font-family: var(--typo-display, "League Spartan", sans-serif);
  font-weight: 700;
  font-size: 0.6875rem;
  transition: background 0.28s ease, color 0.28s ease;
}

.formation-reader-pages__item:not(.is-active) .formation-reader-pages__index {
  background: var(--da-base-sunken, #e7e4dc);
  color: var(--da-ink-muted, rgba(38, 42, 48, 0.72));
}

.formation-reader-pages__label {
  flex: 1 1 auto;
  max-width: none;
  white-space: normal;
  line-height: 1.3;
  overflow: visible;
  text-overflow: unset;
}

/* Viewport de lecture : scroll piloté en JS (pas de snap natif saccadé) */
.formation-chapter-preview--reader .formation-chapter-preview__body {
  grid-area: body;
  min-height: 0;
  height: min(80vh, 920px);
  max-height: min(80vh, 920px);
  overflow-x: hidden;
  overflow-y: auto;
  scroll-snap-type: none;
  scroll-behavior: auto;
  overscroll-behavior-y: contain;
  padding: 0;
  gap: 0;
  background: var(--da-base, #f1efe9);
  outline: none;
}

.formation-chapter-preview--reader .formation-chapter-preview__body.formation-reader-scroll--controlled {
  /* La molette / le doigt sont interceptés ; le scroll natif ne pilote plus le rythme. */
  scrollbar-width: thin;
}

.formation-chapter-preview--reader .formation-chapter-preview__body.is-animating {
  pointer-events: none;
}

.formation-reader,
.formation-reader__stack {
  height: 100%;
}

.formation-reader__stack {
  display: flex;
  flex-direction: column;
}

/* Une page = un écran plein — transitions très douces */
.formation-reader__page {
  flex: 0 0 100%;
  height: 100%;
  min-height: 100%;
  max-height: 100%;
  scroll-snap-align: none;
  box-sizing: border-box;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  padding: 0.85rem 0.85rem 1rem;
  opacity: 0.82;
  filter: none;
  transform: none;
  transition: opacity 0.65s cubic-bezier(0.33, 1, 0.68, 1);
}

.formation-reader__page.is-dim {
  opacity: 0.62;
}

.formation-reader__page.is-current {
  opacity: 1;
}

.formation-reader__page > .formation-da-page {
  flex: 1 1 auto;
  min-height: 0;
  display: flex;
  flex-direction: column;
}

.formation-reader__canvas.formation-canvas {
  /* Plein usage de la colonne droite — plus de bande vide à côté du contenu */
  --formation-canvas-max: 100%;
  --formation-canvas-gap: 0.75rem;
  flex: 1 1 auto;
  min-height: 0;
  max-width: var(--formation-canvas-max);
  width: 100%;
  margin-inline: 0;
  padding-inline: 0.55rem 0.85rem;
  display: flex;
  flex-direction: column;
  gap: var(--formation-canvas-gap);
}

.formation-reader__page-head {
  flex-shrink: 0;
  margin-bottom: 0.15rem;
}

.formation-reader__page-kicker {
  margin: 0 0 0.2rem;
  font-family: var(--typo-display, "League Spartan", sans-serif);
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--da-accent, #5c7d97);
}

.formation-reader__page-title {
  margin: 0;
  font-family: var(--typo-display, "League Spartan", sans-serif);
  font-weight: 800;
  font-size: clamp(1.35rem, 2.4vw, 1.85rem);
  letter-spacing: -0.03em;
  color: var(--da-ink, #262a30);
  line-height: 1.15;
}

.formation-reader__ideas {
  flex: 1 1 auto;
  min-height: 0;
  display: grid;
  gap: 0.7rem;
  align-content: start;
  overflow: auto;
}

/* Images : ratio naturel, sans bandes / cadre forcé */
.formation-reader__idea--image .formation-block-image__wrap,
.formation-reader__idea--image .formation-image-magnet {
  aspect-ratio: auto;
  height: auto;
  background: transparent;
}

.formation-reader__idea--image .formation-block-image,
.formation-reader__idea--image .formation-block-image--magnet {
  width: 100%;
  height: auto;
  max-height: none;
  object-fit: contain;
}

.formation-reader__idea--image .formation-image--framed .formation-block-image__wrap,
.formation-reader__idea--image .formation-image--bleed-soft .formation-block-image__wrap,
.formation-reader__idea--image .formation-image--polaroid .formation-block-image__wrap {
  width: min(100%, 42rem);
  max-width: 100%;
}

.formation-reader__ideas[data-idea-count="1"],
.formation-reader__ideas[data-idea-count="2"],
.formation-reader__ideas[data-idea-count="3"],
.formation-reader__ideas[data-idea-count="4"] {
  grid-template-columns: 1fr;
}

.formation-reader__idea {
  padding: 1rem 1.1rem 1.05rem;
  border-radius: 14px;
  border: none;
  background: color-mix(in srgb, #fff 55%, transparent);
  box-shadow: none;
  transition: background 0.45s ease;
}

.formation-reader__page.is-current .formation-reader__idea {
  background: color-mix(in srgb, #fff 72%, transparent);
}

.formation-reader__idea .formation-block-point__title,
.formation-reader__idea .formation-block__title {
  font-family: var(--typo-display, "League Spartan", sans-serif);
  font-weight: 700;
  letter-spacing: -0.02em;
  font-size: 1rem;
  margin: 0 0 0.35rem;
}

.formation-reader__idea .formation-block__prose,
.formation-reader__idea .formation-block-point__children {
  font-family: var(--typo-body, Manrope, sans-serif);
  font-size: 0.875rem;
  line-height: 1.45;
  color: var(--da-ink-muted, rgba(38, 42, 48, 0.72));
}

.formation-reader__idea .formation-block-point__children {
  display: grid;
  gap: 0.45rem;
  margin-top: 0.4rem;
}

.formation-reader__idea .formation-block--cue {
  padding: 0.7rem 0.85rem;
  border-radius: 10px;
  background: var(--da-base-raised, #f6f4ee);
}

@media (min-width: 900px) {
  .formation-chapter-preview--reader .formation-chapter-preview__body {
    height: min(80vh, 920px);
    max-height: min(80vh, 920px);
  }

  .formation-reader__ideas[data-idea-count="2"],
  .formation-reader__ideas[data-idea-count="3"] {
    grid-template-columns: 1fr 1fr;
  }

  .formation-reader__ideas[data-idea-count="3"] .formation-reader__idea:first-child {
    grid-column: 1 / -1;
  }

  .formation-reader__ideas[data-idea-count="4"] {
    grid-template-columns: 1fr 1fr;
  }

  .formation-reader__canvas.formation-canvas {
    --formation-canvas-max: 100%;
  }
}

@media (max-width: 768px) {
  .formation-chapter-preview--reader {
    grid-template-columns: 1fr;
    grid-template-rows: auto auto minmax(0, 1fr) auto;
    grid-template-areas:
      "head"
      "pages"
      "body"
      "recap";
    min-height: min(88vh, 960px);
  }

  .formation-chapter-preview--reader .formation-reader-pages-host:not([hidden]) {
    flex-direction: row;
    padding: 0.55rem 0.65rem;
    border-right: none;
    border-bottom: 1px solid var(--da-line, rgba(38, 42, 48, 0.12));
    overflow-x: auto;
    overflow-y: hidden;
  }

  .formation-reader-pages {
    flex-direction: row;
    flex-wrap: nowrap;
  }

  .formation-reader-pages__item {
    width: auto;
    min-width: max-content;
    align-items: center;
  }

  .formation-reader-pages__label {
    max-width: 7.5rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .formation-chapter-preview--reader .formation-chapter-preview__body {
    height: min(68vh, 720px);
    max-height: min(68vh, 720px);
  }

  .formation-reader__page {
    padding: 0.65rem 0.55rem 0.85rem;
  }
}

/* Aperçu éditeur / document : pages empilées à hauteur naturelle (pas de snap plein écran) */
.formation-reader--document,
.formation-reader--document .formation-reader__stack {
  height: auto;
  min-height: 0;
}

.formation-reader--document .formation-reader__page {
  flex: 0 0 auto;
  height: auto;
  min-height: 0;
  max-height: none;
  overflow: visible;
  opacity: 1;
  filter: none;
  transform: none;
  scroll-snap-align: none;
  padding: 0.85rem 0.25rem 1.4rem;
  border-bottom: 1px solid var(--da-line, rgba(38, 42, 48, 0.12));
}

.formation-reader--document .formation-reader__page:last-child {
  border-bottom: none;
}

.formation-reader--document .formation-reader__page.is-dim,
.formation-reader--document .formation-reader__page.is-current {
  opacity: 1;
  filter: none;
  transform: none;
}

.formation-reader--document .formation-reader__page > .formation-da-page {
  flex: 0 0 auto;
  min-height: 0;
}

.formation-reader--document .formation-reader__canvas.formation-canvas {
  --formation-canvas-max: 100%;
  --formation-canvas-gap: 0.9rem;
  flex: 0 0 auto;
  min-height: 0;
  max-width: 100%;
}

.formation-reader--document .formation-reader__ideas {
  flex: 0 0 auto;
  overflow: visible;
  gap: 0.9rem;
}

.formation-reader--document .formation-reader__ideas[data-idea-count="2"],
.formation-reader--document .formation-reader__ideas[data-idea-count="3"],
.formation-reader--document .formation-reader__ideas[data-idea-count="4"] {
  grid-template-columns: 1fr;
}

.formation-reader--document .formation-reader__ideas[data-idea-count="3"] .formation-reader__idea:first-child {
  grid-column: auto;
}

.formation-reader--document .formation-block-image__wrap,
.formation-reader--document .formation-image-magnet {
  aspect-ratio: auto;
  height: auto;
  background: transparent;
}

.formation-reader--document .formation-block-image,
.formation-reader--document .formation-block-image--magnet {
  width: 100%;
  height: auto;
  max-height: none;
  object-fit: contain;
}

/* ==========================================================================
   Lecture page entière (formationModule) — hero → intro → pages + FAB sommaire
   ========================================================================== */

body.formation-page--reader-flow {
  overflow-x: hidden;
  overflow-y: visible;
  scrollbar-width: none;
}

body.formation-page--reader-flow::-webkit-scrollbar {
  display: none;
  width: 0;
  height: 0;
}

html.formation-reader-scroll--window,
body.formation-reader-scroll--window {
  scrollbar-width: none;
}

html.formation-reader-scroll--window::-webkit-scrollbar,
body.formation-reader-scroll--window::-webkit-scrollbar {
  display: none;
  width: 0;
  height: 0;
}

body.formation-page--reader-flow.da-bg-lab .bg-layer--base,
body.formation-page--reader-flow.da-bg-lab .bg-layer--lava::before,
body.formation-page--reader-flow.da-bg-lab .bg-layer--lava::after {
  animation: none;
}

.formation-module--reader-flow {
  position: relative;
  max-width: none;
  width: 100%;
  padding-top: 0;
  padding-bottom: max(2rem, calc(env(safe-area-inset-bottom, 0px) + var(--shell-bottom-nav-h, 0px) + 1rem));
  --formation-sticky-h: 0px;
}

.formation-module--reader-flow .formation-module__admin {
  position: absolute;
  top: calc(env(safe-area-inset-top, 0px) + 0.55rem);
  left: 0;
  right: 0;
  z-index: 40;
  margin: 0;
  opacity: 0.75;
  justify-content: center;
}

/* —— Hero présentation module —— */
.formation-module-hero {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 100dvh;
  height: 100dvh;
  padding: clamp(1.25rem, 3vh, 2.5rem) 0.75rem;
  box-sizing: border-box;
  text-align: center;
  background: transparent;
}

.formation-module-hero__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: min(100%, 42rem);
  margin-inline: auto;
  flex: 1 1 auto;
}

.formation-module-hero__title {
  margin: 0 auto;
  max-width: 14ch;
  font-family: var(--typo-display, "League Spartan", sans-serif);
  font-weight: 700;
  font-size: clamp(2.75rem, 8vw, 4.5rem);
  letter-spacing: -0.035em;
  line-height: 0.98;
  color: color-mix(in srgb, var(--da-ink, #262a30) 78%, var(--da-accent, #5c7d97));
  text-wrap: balance;
  text-align: center;
}

.formation-module-hero__objective {
  margin: 0.85rem auto 0;
  max-width: 32rem;
  font-family: var(--typo-body, Manrope, sans-serif);
  font-size: clamp(0.9rem, 1.35vw, 1.02rem);
  font-weight: 400;
  line-height: 1.5;
  color: var(--da-ink-muted, rgba(38, 42, 48, 0.68));
}

.formation-module-hero__toc {
  margin-top: clamp(1.5rem, 3.5vh, 2.4rem);
  width: 100%;
  max-width: 28rem;
}

.formation-module-hero__chapters {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.4rem;
}

.formation-module-hero__chapter {
  appearance: none;
  width: 100%;
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: baseline;
  gap: 0.75rem;
  padding: 0.62rem 0.9rem;
  border: 1px solid color-mix(in srgb, var(--da-line, rgba(38, 42, 48, 0.12)) 45%, transparent);
  border-radius: 14px;
  background: color-mix(in srgb, #fff 42%, transparent);
  backdrop-filter: blur(14px) saturate(1.15);
  -webkit-backdrop-filter: blur(14px) saturate(1.15);
  box-shadow: 0 1px 0 color-mix(in srgb, #fff 55%, transparent) inset;
  text-align: left;
  cursor: pointer;
  font: inherit;
  color: var(--da-ink, #262a30);
  transition: border-color 0.2s ease, background 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}

.formation-module-hero__chapter:hover {
  border-color: color-mix(in srgb, var(--da-accent, #5c7d97) 28%, transparent);
  background: color-mix(in srgb, #fff 58%, transparent);
  transform: translateY(-1px);
  box-shadow:
    0 1px 0 color-mix(in srgb, #fff 65%, transparent) inset,
    0 10px 28px color-mix(in srgb, var(--da-shadow, rgba(38, 42, 48, 0.14)) 22%, transparent);
}

.formation-module-hero__chapter-index {
  font-family: var(--typo-display, "League Spartan", sans-serif);
  font-weight: 700;
  font-size: 0.8125rem;
  letter-spacing: 0.04em;
  color: var(--da-accent, #5c7d97);
}

.formation-module-hero__chapter-title {
  font-family: var(--typo-display, "League Spartan", sans-serif);
  font-weight: 600;
  font-size: clamp(0.98rem, 1.8vw, 1.12rem);
  letter-spacing: -0.015em;
  line-height: 1.2;
  text-align: left;
}

.formation-module-hero__scroll-hint {
  margin: 1.85rem auto 0;
  display: grid;
  place-items: center;
}

.formation-module-hero__scroll-chevron {
  display: block;
  width: 2.75rem;
  height: 2.75rem;
  border-radius: 999px;
  border: 1px solid color-mix(in srgb, var(--da-line, rgba(38, 42, 48, 0.16)) 80%, transparent);
  background: color-mix(in srgb, #fff 35%, transparent);
  backdrop-filter: blur(8px);
  position: relative;
  animation: formation-hero-bob 1.8s ease-in-out infinite;
}

.formation-module-hero__scroll-chevron::after {
  content: "";
  position: absolute;
  inset: 0;
  margin: auto;
  width: 0.7rem;
  height: 0.7rem;
  border-right: 2.5px solid var(--da-ink-muted, rgba(38, 42, 48, 0.72));
  border-bottom: 2.5px solid var(--da-ink-muted, rgba(38, 42, 48, 0.72));
  transform: translateY(-2px) rotate(45deg);
}

@keyframes formation-hero-bob {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(5px);
  }
}

/* —— FAB stack (Éditer admin + Sommaire) + panneau —— */
.formation-fab-stack {
  position: fixed;
  right: max(1rem, env(safe-area-inset-right, 0px));
  bottom: max(1.15rem, calc(env(safe-area-inset-bottom, 0px) + var(--shell-bottom-nav-h, 0px) + 0.85rem));
  z-index: 50;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 0.45rem;
}

.formation-edit-fab,
.formation-sommaire-fab {
  appearance: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid color-mix(in srgb, var(--da-line, rgba(38, 42, 48, 0.12)) 70%, transparent);
  border-radius: 999px;
  padding: 0.75rem 1.15rem;
  font-family: var(--typo-display, "League Spartan", sans-serif);
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  text-decoration: none;
  cursor: pointer;
  box-shadow: 0 12px 32px color-mix(in srgb, var(--da-shadow, rgba(38, 42, 48, 0.14)) 55%, transparent);
  transition: transform 0.2s ease, background 0.2s ease;
}

.formation-sommaire-fab {
  background: color-mix(in srgb, var(--da-surface, #2c3138) 92%, #000);
  color: var(--da-on-surface, #f4f2ec);
}

.formation-sommaire-fab:hover {
  transform: translateY(-1px);
  background: var(--da-surface, #2c3138);
}

.formation-edit-fab {
  background: color-mix(in srgb, var(--da-accent, #5c7d97) 88%, var(--da-surface, #2c3138));
  color: var(--da-accent-ink, #f7fafc);
  border-color: color-mix(in srgb, var(--da-accent, #5c7d97) 55%, transparent);
}

.formation-edit-fab:hover {
  transform: translateY(-1px);
  background: var(--da-accent-hover, var(--da-accent, #5c7d97));
  color: var(--da-accent-ink, #f7fafc);
}

.formation-edit-fab[hidden] {
  display: none !important;
}

.formation-sommaire-sheet {
  position: fixed;
  inset: 0;
  z-index: 60;
  display: grid;
  place-items: end center;
}

.formation-sommaire-sheet[hidden] {
  display: none !important;
}

.formation-sommaire-sheet__backdrop {
  position: absolute;
  inset: 0;
  border: 0;
  padding: 0;
  margin: 0;
  background: color-mix(in srgb, var(--da-ink, #262a30) 28%, transparent);
  cursor: pointer;
}

.formation-sommaire-sheet__panel {
  position: relative;
  z-index: 1;
  width: min(100%, 26rem);
  max-height: min(78dvh, 40rem);
  margin: 0 0.75rem max(0.75rem, calc(env(safe-area-inset-bottom, 0px) + var(--shell-bottom-nav-h, 0px) + 7.25rem));
  display: flex;
  flex-direction: column;
  border-radius: 22px;
  background: color-mix(in srgb, #fff 78%, var(--da-base, #f1efe9));
  backdrop-filter: blur(18px) saturate(1.1);
  -webkit-backdrop-filter: blur(18px) saturate(1.1);
  box-shadow: 0 24px 60px color-mix(in srgb, var(--da-shadow, rgba(38, 42, 48, 0.14)) 45%, transparent);
  overflow: hidden;
}

.formation-sommaire-sheet__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 1rem 1.1rem 0.75rem;
}

.formation-sommaire-sheet__title {
  margin: 0;
  font-family: var(--typo-display, "League Spartan", sans-serif);
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--da-ink, #262a30);
}

.formation-sommaire-sheet__close {
  appearance: none;
  width: 2rem;
  height: 2rem;
  border: 0;
  border-radius: 999px;
  background: color-mix(in srgb, var(--da-base-sunken, #e7e4dc) 70%, transparent);
  color: var(--da-ink-muted, rgba(38, 42, 48, 0.72));
  font-size: 1.25rem;
  line-height: 1;
  cursor: pointer;
}

.formation-sommaire-sheet__body {
  overflow: auto;
  padding: 0 0.65rem 1.1rem;
}

.formation-sommaire__nav {
  display: grid;
  gap: 0.35rem;
}

.formation-sommaire__chapter {
  border-radius: 14px;
  background: transparent;
}

.formation-sommaire__chapter-summary {
  list-style: none;
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: baseline;
  gap: 0.65rem;
  padding: 0.7rem 0.75rem;
  cursor: pointer;
  font-family: var(--typo-display, "League Spartan", sans-serif);
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--da-ink, #262a30);
}

.formation-sommaire__chapter-summary::-webkit-details-marker {
  display: none;
}

.formation-sommaire__chapter-index {
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  color: var(--da-accent, #5c7d97);
}

.formation-sommaire__points {
  list-style: none;
  margin: 0;
  padding: 0 0.35rem 0.55rem 2.1rem;
  display: grid;
  gap: 0.2rem;
}

.formation-sommaire__point {
  appearance: none;
  width: 100%;
  border: 0;
  border-radius: 10px;
  padding: 0.55rem 0.7rem;
  background: transparent;
  color: var(--da-ink-muted, rgba(38, 42, 48, 0.72));
  font: inherit;
  font-family: var(--typo-body, Manrope, sans-serif);
  font-size: 0.875rem;
  font-weight: 600;
  text-align: left;
  cursor: pointer;
}

.formation-sommaire__point:hover {
  background: color-mix(in srgb, #fff 55%, transparent);
  color: var(--da-ink, #262a30);
}

.formation-sommaire__point.is-active {
  background: color-mix(in srgb, var(--da-accent-soft, rgba(92, 125, 151, 0.14)) 85%, #fff);
  color: var(--da-accent-ink, #243642);
}

/* —— Zone contenu + intro chapitre —— */
.formation-module-stage {
  margin-top: 0;
  padding: 0;
  min-height: 0;
  background: transparent;
}

.formation-module-stage__body {
  min-width: 0;
}

.formation-module--reader-flow .formation-reader--window,
.formation-module--reader-flow .formation-reader--window .formation-reader__stack {
  height: auto;
  background: transparent;
}

.formation-module--reader-flow .formation-reader--window .formation-reader__page {
  flex: 0 0 auto;
  box-sizing: border-box;
  height: calc(100dvh - var(--formation-sticky-h, 0px));
  min-height: calc(100dvh - var(--formation-sticky-h, 0px));
  max-height: calc(100dvh - var(--formation-sticky-h, 0px));
  overflow: hidden;
  padding: 1rem 0.5rem 1.15rem;
  border-bottom: none;
  background: transparent;
  opacity: 0.88;
  transition: opacity 0.65s cubic-bezier(0.33, 1, 0.68, 1);
  scrollbar-width: none;
}

.formation-module--reader-flow .formation-reader--window .formation-reader__page::-webkit-scrollbar {
  display: none;
  width: 0;
  height: 0;
}

.formation-module--reader-flow .formation-reader--window .formation-reader__page.is-dim {
  opacity: 0.68;
}

.formation-module--reader-flow .formation-reader--window .formation-reader__page.is-current {
  opacity: 1;
}

.formation-module--reader-flow .formation-reader--window .formation-reader__page > .formation-da-page,
.formation-module--reader-flow .formation-reader--window .formation-reader__canvas.formation-canvas {
  background: transparent;
  border: none;
  box-shadow: none;
}

.formation-module--reader-flow .formation-reader--window .formation-reader__canvas.formation-canvas {
  --formation-canvas-max: min(100%, 56rem);
  --formation-canvas-gap: 0.95rem;
  max-width: var(--formation-canvas-max);
  margin-inline: auto;
  padding-inline: 0.35rem;
  height: 100%;
  min-height: 0;
  overflow: hidden;
}

.formation-module--reader-flow .formation-reader--window .formation-reader__page > .formation-da-page {
  overflow: hidden;
  min-height: 0;
}

/* Contenu borné au cadre page : pas de débordement / pas de barre */
.formation-module--reader-flow .formation-reader--window .formation-reader__idea--image .formation-block-image__wrap,
.formation-module--reader-flow .formation-reader--window .formation-reader__idea--image .formation-image-magnet {
  max-height: min(34vh, 100%);
}

.formation-module--reader-flow .formation-reader--window .formation-reader__idea--image .formation-block-image,
.formation-module--reader-flow .formation-reader--window .formation-reader__idea--image .formation-block-image--magnet,
.formation-module--reader-flow .formation-reader--window .formation-reader__idea--image img {
  max-height: min(34vh, 100%);
  width: auto;
  max-width: 100%;
  height: auto;
  object-fit: contain;
}

.formation-module--reader-flow .formation-chapter-intro__video {
  flex: 0 1 auto;
  min-height: 0;
}

.formation-module--reader-flow .formation-chapter-intro__media {
  width: min(100%, calc(min(40vh, 22rem) * 16 / 9));
}

.formation-module--reader-flow .formation-chapter-intro__why-block,
.formation-module--reader-flow .formation-chapter-intro__meta {
  flex-shrink: 1;
  min-height: 0;
}

.formation-module--reader-flow .formation-reader--window .formation-reader__page-head {
  text-align: center;
}

.formation-module--reader-flow .formation-reader--window .formation-reader__page-title {
  font-size: clamp(1.45rem, 2.6vw, 1.95rem);
  text-align: center;
  margin-inline: auto;
  color: color-mix(in srgb, var(--da-ink, #262a30) 82%, var(--da-accent, #5c7d97));
}

.formation-module--reader-flow .formation-reader--window .formation-reader__ideas {
  gap: 0.85rem;
  overflow: hidden;
  scrollbar-width: none;
}

.formation-module--reader-flow .formation-reader--window .formation-reader__ideas::-webkit-scrollbar {
  display: none;
  width: 0;
  height: 0;
}

.formation-module--reader-flow .formation-reader--window .formation-reader__ideas[data-idea-count="2"],
.formation-module--reader-flow .formation-reader--window .formation-reader__ideas[data-idea-count="3"],
.formation-module--reader-flow .formation-reader--window .formation-reader__ideas[data-idea-count="4"] {
  grid-template-columns: 1fr;
}

@media (min-width: 960px) {
  .formation-module--reader-flow .formation-reader--window .formation-reader__ideas[data-idea-count="2"],
  .formation-module--reader-flow .formation-reader--window .formation-reader__ideas[data-idea-count="3"],
  .formation-module--reader-flow .formation-reader--window .formation-reader__ideas[data-idea-count="4"] {
    grid-template-columns: 1fr 1fr;
  }

  .formation-module--reader-flow .formation-reader--window .formation-reader__ideas[data-idea-count="3"] .formation-reader__idea:first-child {
    grid-column: 1 / -1;
  }

  /* Vidéo : pleine largeur pour ne pas compresser le cadre ni créer de bandes */
  .formation-module--reader-flow .formation-reader--window .formation-reader__idea:has(.formation-block-video) {
    grid-column: 1 / -1;
  }
}

.formation-module--reader-flow .formation-reader--window .formation-block-video {
  width: min(100%, 42rem, calc(min(42vh, 24rem) * 16 / 9));
}

.formation-module--reader-flow .formation-reader__idea .formation-block__prose,
.formation-module--reader-flow .formation-reader__idea .formation-block-point__children {
  font-size: 0.95rem;
  line-height: 1.55;
}

.formation-module--reader-flow .formation-reader__idea .formation-block__title,
.formation-module--reader-flow .formation-reader__idea .formation-block-point__title {
  margin: 0 0 0.45rem;
}

.formation-module--reader-flow .formation-block-point__children {
  display: grid;
  gap: 0.55rem;
}


.formation-chapter-intro {
  display: flex;
  flex-direction: column;
  gap: clamp(1.1rem, 2.8vh, 2.25rem);
  justify-content: flex-start;
  padding-block: 0.75rem 1.5rem;
  padding-inline: 0.5rem;
  overflow: hidden;
  height: 100%;
  max-width: min(100%, 56rem);
  margin-inline: auto;
  width: 100%;
  scrollbar-width: none;
}

.formation-chapter-intro::-webkit-scrollbar {
  display: none;
  width: 0;
  height: 0;
}

.formation-chapter-intro__head {
  text-align: center;
  flex-shrink: 0;
  margin-bottom: 0.25rem;
}

.formation-chapter-intro__kicker {
  margin: 0 0 0.25rem;
  font-family: var(--typo-display, "League Spartan", sans-serif);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--da-accent, #5c7d97);
}

.formation-chapter-intro__title {
  margin: 0;
  font-family: var(--typo-display, "League Spartan", sans-serif);
  font-weight: 700;
  font-size: clamp(2.1rem, 4.2vw, 3rem);
  letter-spacing: -0.035em;
  line-height: 1.02;
  color: color-mix(in srgb, var(--da-ink, #262a30) 80%, var(--da-accent, #5c7d97));
  text-wrap: balance;
}

.formation-chapter-intro__label {
  margin: 0 0 0.55rem;
  font-family: var(--typo-display, "League Spartan", sans-serif);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--da-ink-muted, rgba(38, 42, 48, 0.72));
}

.formation-chapter-intro__why-block,
.formation-chapter-intro__section {
  max-width: none;
  margin-inline: 0;
  width: 100%;
  text-align: left;
}

.formation-chapter-intro__why-block {
  margin-block: 1.25rem 1.5rem;
}

.formation-chapter-intro__meta {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.25rem;
  width: 100%;
  margin-inline: 0;
  padding-top: 0.35rem;
}

@media (min-width: 720px) {
  .formation-chapter-intro__meta {
    grid-template-columns: 1fr 1fr;
    gap: 2.5rem 3rem;
  }
}

.formation-chapter-intro__why p,
.formation-chapter-intro__placeholder {
  margin: 0;
  font-family: var(--typo-body, Manrope, sans-serif);
  font-size: 0.98rem;
  font-weight: 400;
  line-height: 1.65;
  color: var(--da-ink-muted, rgba(38, 42, 48, 0.78));
  max-width: 46rem;
}

.formation-chapter-intro__list {
  margin: 0;
  padding-left: 1.1rem;
  font-family: var(--typo-body, Manrope, sans-serif);
  color: var(--da-ink, #262a30);
}

.formation-chapter-intro__video {
  width: min(100%, 48rem);
  margin-inline: auto;
  flex-shrink: 0;
}

.formation-chapter-intro__media {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  width: min(100%, calc(min(48vh, 26rem) * 16 / 9));
  max-width: 100%;
  margin-inline: auto;
  box-sizing: border-box;
}

.formation-chapter-intro__video-host {
  width: 100%;
  box-sizing: border-box;
  border-radius: 16px;
  overflow: hidden;
  aspect-ratio: 16 / 9;
  height: auto;
  background: transparent;
}

.formation-chapter-intro__media > .formation-video-tc {
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
}

.formation-chapter-intro__video-host .formation-block-video__player {
  display: block;
  width: 100%;
  height: 100%;
  background: transparent;
  --media-object-fit: contain;
  --media-object-position: center;
  --primary-color: rgba(255, 255, 255, 0.92);
  --secondary-color: transparent;
  --accent-color: var(--da-accent, #5c7d97);
  --controls-backdrop-color: rgb(38 42 48 / 16%);
  --seek-backward-button: none;
  --seek-forward-button: none;
}

.formation-notions--placeholder .formation-notion-chip.is-placeholder {
  opacity: 0.55;
  border-style: dashed;
}

/* Contenu lecture : glass leger, plus de fonds cue colores */
.formation-module--reader-flow .formation-reader__idea {
  padding: 1.15rem 1.35rem 1.25rem;
  border: 1px solid color-mix(in srgb, var(--da-line, rgba(38, 42, 48, 0.12)) 50%, transparent);
  border-radius: 16px;
  background: color-mix(in srgb, #fff 40%, transparent);
  backdrop-filter: blur(12px) saturate(1.08);
  -webkit-backdrop-filter: blur(12px) saturate(1.08);
  box-shadow: 0 1px 0 color-mix(in srgb, #fff 50%, transparent) inset;
}

.formation-module--reader-flow .formation-reader__idea + .formation-reader__idea {
  margin-top: 0.85rem;
  padding-top: 1rem;
  border-top: none;
}

.formation-module--reader-flow .formation-block-point,
.formation-module--reader-flow .formation-block--cue,
.formation-module--reader-flow .formation-block--cue-intro,
.formation-module--reader-flow .formation-block--cue-do,
.formation-module--reader-flow .formation-block--cue-attention,
.formation-module--reader-flow .formation-block--cue-retain,
.formation-module--reader-flow .formation-block--cue-notepad,
.formation-module--reader-flow .formation-block--compare,
.formation-module--reader-flow .formation-reader__idea .formation-block,
.formation-module--reader-flow [class*="formation-point--"],
.formation-module--reader-flow [class*="formation-text--"],
.formation-module--reader-flow [class*="formation-compare--"] {
  background: transparent !important;
  box-shadow: none;
}

.formation-module--reader-flow .formation-block--cue,
.formation-module--reader-flow .formation-block--cue-intro,
.formation-module--reader-flow .formation-block--cue-do,
.formation-module--reader-flow .formation-block--cue-attention,
.formation-module--reader-flow .formation-block--cue-retain,
.formation-module--reader-flow .formation-block--cue-notepad {
  margin-top: 0.55rem;
  padding: 0.75rem 0.9rem !important;
  border-radius: 12px;
  border: 1px solid color-mix(in srgb, var(--da-line, rgba(38, 42, 48, 0.12)) 55%, transparent) !important;
  border-left-width: 1px !important;
  background: color-mix(in srgb, #fff 28%, transparent) !important;
  backdrop-filter: blur(8px);
}

.formation-module--reader-flow [class*="formation-point--"] {
  border-color: color-mix(in srgb, var(--da-line, rgba(38, 42, 48, 0.12)) 45%, transparent) !important;
  border-left-width: 1px !important;
  border-radius: 14px !important;
  margin-left: 0 !important;
  padding: 0.75rem 0.9rem !important;
  background: transparent !important;
}

.formation-module--reader-flow [class*="formation-text--"] {
  border: none !important;
  border-radius: 0 !important;
  padding: 0.2rem 0.1rem !important;
  background: transparent !important;
}

.formation-module--reader-flow .formation-block--compare:not([class*="formation-compare--"]) {
  padding: 0.35rem 0.1rem;
  border: none !important;
  background: transparent !important;
}

.formation-module--reader-flow .formation-compare__col {
  background: color-mix(in srgb, #fff 32%, transparent) !important;
  border: 1px solid color-mix(in srgb, var(--da-line, rgba(38, 42, 48, 0.12)) 55%, transparent);
  border-radius: 12px;
  backdrop-filter: blur(8px);
  padding: 0.75rem 0.9rem;
}

.formation-module--reader-flow .formation-compare__col--do,
.formation-module--reader-flow .formation-compare__col--dont {
  background: color-mix(in srgb, #fff 32%, transparent) !important;
}

.formation-module--reader-flow .formation-da-page,
.formation-module--reader-flow .formation-da-canvas,
.formation-module--reader-flow .formation-reader__canvas {
  background: transparent !important;
}

.formation-block-point__head,
.formation-reader__page-head-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.formation-point-seek {
  appearance: none;
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  flex-shrink: 0;
  border: 0;
  border-radius: 999px;
  padding: 0.2rem 0.55rem;
  background: transparent;
  color: var(--da-ink-muted, rgba(38, 42, 48, 0.62));
  font-family: var(--typo-body, Manrope, sans-serif);
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  cursor: pointer;
  transition: color 0.18s ease, background 0.18s ease;
}

.formation-point-seek:hover {
  color: var(--da-accent-hover, #4e6a80);
  background: color-mix(in srgb, var(--da-accent-soft, rgba(92, 125, 151, 0.14)) 55%, transparent);
}

.formation-point-seek__icon {
  font-size: 0.5rem;
  opacity: 0.7;
}

.formation-module-stage__recap .formation-chapter-recap {
  margin-top: 0;
  padding: 1.25rem 0.15rem 2rem;
  border-top: none;
  background: transparent;
  border-radius: 0;
  box-shadow: none;
  text-align: center;
}

html.formation-reader-scroll--window,
body.formation-reader-scroll--window {
  overscroll-behavior-y: none;
}

html.formation-reader-scroll--window.is-animating,
body.formation-reader-scroll--window.is-animating {
  pointer-events: none;
}

@media (max-width: 768px) {
  .formation-module-hero {
    min-height: 100dvh;
    height: 100dvh;
  }

  .formation-module-hero__title {
    max-width: none;
  }

  .formation-module--reader-flow .formation-reader--window .formation-reader__page {
    padding: 0.85rem 0.65rem 1rem;
  }

  .formation-fab-stack {
    right: max(0.75rem, env(safe-area-inset-right, 0px));
  }
}

@media (prefers-reduced-motion: reduce) {
  .formation-reader__page,
  .formation-reader-pages__item,
  .formation-reader__idea,
  .formation-module-hero__chapter,
  .formation-module-hero__scroll-chevron,
  .formation-edit-fab,
  .formation-sommaire-fab,
  .formation-video-tc__drawer,
  .formation-video-tc__toggle-chevron {
    transition: none;
    animation: none;
  }
}