/* ==========================================================================
   Mr MARCHAND · site public (zone site : jamais écrasée par une mise à jour)
   Source de référence : maquette-html/assets/css/style.css
   Organisation : 0. Polices  1. Variables  2. Base  3. Mise en page
                  4. Composants  5. Site public  6. Espace élèves
                  8. Intégration framework (blocs, articles, messages)
   Cache : monter site/VERSION à chaque modification de ce fichier.
   ========================================================================== */

/* 0. Polices (Montserrat auto-hébergée, licence OFL : fonts/LICENSE-OFL.txt) */
@font-face { font-family: 'Montserrat'; font-style: normal; font-weight: 300; font-display: swap; src: url('fonts/montserrat-latin-300-normal.woff2') format('woff2'); }
@font-face { font-family: 'Montserrat'; font-style: normal; font-weight: 400; font-display: swap; src: url('fonts/montserrat-latin-400-normal.woff2') format('woff2'); }
@font-face { font-family: 'Montserrat'; font-style: normal; font-weight: 500; font-display: swap; src: url('fonts/montserrat-latin-500-normal.woff2') format('woff2'); }
@font-face { font-family: 'Montserrat'; font-style: normal; font-weight: 600; font-display: swap; src: url('fonts/montserrat-latin-600-normal.woff2') format('woff2'); }
@font-face { font-family: 'Montserrat'; font-style: normal; font-weight: 700; font-display: swap; src: url('fonts/montserrat-latin-700-normal.woff2') format('woff2'); }


/* 1. Variables ------------------------------------------------------------ */
:root {
  --paper: #F4F6F8;
  --card: #FFFFFF;
  --card-2: #F1F4F6;
  --tint: #E9EFF2;
  --ink: #000000;
  --ink-soft: #1C1C1C;
  --text-2: #33414C;
  --muted: #566470;
  --line: #E0E6EA;
  --line-strong: #C6D0D6;

  --accent: #1E6F8E;
  --accent-deep: #155066;
  --accent-soft: #DCEBF1;
  --accent-light: #7FC0D8;   /* sur fond sombre */
  --on-accent: #FFFFFF;

  --deep: #0F2231;
  --deep-2: #17303F;
  --deep-line: #2A4556;
  --on-deep: #EAF1F4;
  --on-deep-soft: #9DB2BD;

  --ok: #1E6B48;
  --ok-soft: #E3F1EA;

  --font: 'Montserrat', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --maxw: 1180px;
  --radius: 14px;
  --radius-sm: 10px;
  --radius-btn: 4px;
  --gutter: 24px;
}

/* 2. Base ----------------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.6;
  color: var(--ink);
  background: var(--paper);
}
img { display: block; max-width: 100%; }
h1, h2, h3, h4 { margin: 0; font-weight: 600; line-height: 1.2; letter-spacing: -0.01em; }
p { margin: 0; }
a { color: var(--accent); }
a:hover { color: var(--accent-deep); }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; }
button, input, select, textarea { font: inherit; color: inherit; }
button { cursor: pointer; }

.sr-only {
  position: absolute !important; width: 1px; height: 1px; overflow: hidden;
  clip: rect(0 0 0 0); white-space: nowrap; border: 0; padding: 0; margin: -1px;
}
.skip-link {
  position: absolute; left: 16px; top: -60px; z-index: 100;
  background: var(--deep); color: var(--on-deep); padding: 10px 16px; border-radius: var(--radius-btn);
}
.skip-link:focus { top: 12px; }

/* 3. Mise en page --------------------------------------------------------- */
.container { max-width: var(--maxw); margin: 0 auto; padding-inline: var(--gutter); }
.container--narrow { max-width: 760px; }
.container--wide { max-width: 1240px; }

.section { padding-block: 72px; }
.section--white { background: var(--card); border-block: 1px solid var(--line); }
.section--deep { background: var(--deep); color: var(--on-deep); }
.section--deep h2 { color: #FFFFFF; }
.section__head { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: flex-end; gap: 12px; margin-bottom: 28px; }
.section__title { font-size: 30px; margin-top: 8px; }
.section--center { text-align: center; }

.grid { display: grid; gap: 24px; }
.grid--3 { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.grid--cards { grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); }
.grid--4 { grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }

.split { display: flex; flex-wrap: wrap; gap: 24px; align-items: flex-start; }
.split__main { flex: 999 1 560px; min-width: 0; display: flex; flex-direction: column; gap: 24px; }
.split__side { flex: 1 1 320px; min-width: 0; display: flex; flex-direction: column; gap: 24px; }

/* 4. Composants ----------------------------------------------------------- */

/* Sur-titre */
.eyebrow {
  display: inline-flex; align-items: center; gap: 12px;
  font-size: 12px; font-weight: 600; letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--accent);
}
.eyebrow--line::before { content: ""; width: 32px; height: 1px; background: currentColor; }
.section--deep .eyebrow { color: var(--accent-light); }

/* Boutons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  min-height: 48px; padding: 0 26px;
  border: 1px solid transparent; border-radius: var(--radius-btn);
  font-size: 15px; font-weight: 600; text-decoration: none; line-height: 1.2;
  transition: background-color .15s, border-color .15s, color .15s;
}
.btn--primary { background: var(--accent); color: var(--on-accent); }
.btn--primary:hover { background: var(--accent-deep); color: var(--on-accent); }
.btn--ghost { background: var(--card); border-color: var(--line-strong); color: var(--ink); }
.btn--ghost:hover { border-color: var(--ink); color: var(--ink); }
.btn--outline { background: transparent; border-color: var(--deep); color: var(--deep); }
.btn--light { background: #FFFFFF; color: var(--deep); }
.btn--light:hover { background: var(--on-deep); color: var(--deep); }
.btn--sm { min-height: 44px; padding: 0 16px; font-size: 14px; }
.btn--block { width: 100%; }
.icon-btn {
  display: inline-flex; align-items: center; justify-content: center;
  width: 44px; height: 44px; border-radius: var(--radius-sm);
  border: 0; background: transparent; color: var(--deep);
}
.icon-btn:hover { background: var(--card-2); color: var(--deep); }
.icon-btn--outline { border: 1px solid var(--line-strong); background: var(--card); border-radius: 50%; }
.icon-btn--danger { color: var(--accent-deep); }
.icon { width: 20px; height: 20px; flex: none; }

/* Étiquettes et badges */
.tag {
  display: inline-block; align-self: flex-start;
  font-size: 12px; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--accent-deep); background: var(--accent-soft);
  padding: 5px 10px; border-radius: var(--radius-btn);
}
.badge {
  display: inline-block; white-space: nowrap;
  font-size: 13px; font-weight: 600; padding: 5px 12px; border-radius: var(--radius-btn);
  background: var(--card-2); color: var(--text-2);
}
.badge--ok { background: var(--ok-soft); color: var(--ok); }
.badge--info { background: var(--accent-soft); color: var(--accent-deep); }
.badge--muted { background: var(--card-2); color: var(--text-2); }

/* Cartes */
.card {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 26px;
}
.card--link { display: flex; flex-direction: column; gap: 12px; text-decoration: none; color: var(--ink); transition: border-color .15s; }
.card--link:hover { border-color: var(--accent); color: var(--ink); }
.card__title { font-size: 19px; line-height: 1.35; }
.card__text { color: var(--text-2); font-size: 15px; }
.card__meta { margin-top: auto; font-size: 13px; color: var(--muted); }
.card--tint { background: var(--paper); }
.card--soft { background: var(--accent-soft); border-color: transparent; }

/* Champs de formulaire */
.field { display: flex; flex-direction: column; gap: 8px; }
.field__row { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; }
.label { font-weight: 600; font-size: 15px; }
.hint { font-size: 13px; color: var(--muted); }
.input, .select, .textarea {
  width: 100%; min-height: 50px; padding: 0 16px;
  border: 1px solid var(--line-strong); border-radius: var(--radius-sm);
  background: var(--card); color: var(--ink); font-size: 16px;
}
.textarea { padding: 12px 16px; min-height: 120px; resize: vertical; }
.input:focus, .select:focus, .textarea:focus { border-color: var(--accent); outline: 2px solid var(--accent-soft); outline-offset: 0; }
.checkbox { display: flex; align-items: center; gap: 10px; min-height: 44px; cursor: pointer; }
.checkbox input { width: 20px; height: 20px; accent-color: var(--accent); }
.search { position: relative; }
.search .icon { position: absolute; left: 16px; top: 50%; transform: translateY(-50%); width: 18px; height: 18px; color: var(--muted); pointer-events: none; }
.search .input { padding-left: 44px; border-radius: var(--radius-btn); }
.form { display: flex; flex-direction: column; gap: 18px; }
.form__inline { display: flex; flex-wrap: wrap; gap: 12px; }
.form__inline > * { flex: 1 1 160px; }

/* Filtres (pastilles) */
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip {
  display: inline-flex; align-items: center; min-height: 44px; padding: 0 18px;
  border: 1px solid var(--line-strong); border-radius: var(--radius-btn);
  background: var(--card); color: var(--ink); font-weight: 600; font-size: 14px; text-decoration: none;
}
.chip:hover { border-color: var(--ink); color: var(--ink); }
.chip.is-active, .chip[aria-current="page"], .chip[aria-pressed="true"] { background: var(--deep); border-color: var(--deep); color: #FFFFFF; }
.segmented { display: inline-flex; flex-wrap: wrap; gap: 4px; padding: 4px; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius-sm); }
.segmented__item { min-height: 40px; padding: 0 16px; border: 0; border-radius: 6px; background: transparent; color: var(--text-2); font-weight: 600; font-size: 14px; display: inline-flex; align-items: center; gap: 6px; text-decoration: none; }
.segmented__item.is-active { background: var(--deep); color: #FFFFFF; }
.segmented__count { opacity: .75; font-weight: 500; }

/* Fil d'Ariane */
.breadcrumb { display: flex; flex-wrap: wrap; gap: 8px; font-size: 14px; color: var(--muted); }
.breadcrumb a { color: var(--muted); }
.breadcrumb [aria-current="page"] { color: var(--ink); font-weight: 600; }
.breadcrumb__sep { color: var(--line-strong); }

/* Pagination */
.pagination { display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; padding-block: 8px 72px; }
.pagination a {
  min-width: 48px; height: 48px; padding: 0 14px; display: inline-flex; align-items: center; justify-content: center;
  border: 1px solid var(--line-strong); border-radius: var(--radius-btn); background: var(--card);
  color: var(--ink); text-decoration: none; font-weight: 600;
}
.pagination a[aria-current="page"] { background: var(--deep); border-color: var(--deep); color: #FFFFFF; }

/* Tableaux */
.table-wrap { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); overflow-x: auto; }
.table { width: 100%; min-width: 720px; border-collapse: collapse; font-size: 15px; }
.table th { text-align: left; font-size: 13px; font-weight: 600; color: var(--muted); padding: 14px 16px; border-bottom: 1px solid var(--line); }
.table td { padding: 12px 16px; border-bottom: 1px solid var(--card-2); color: var(--text-2); vertical-align: middle; }
.table tr:last-child td { border-bottom: 0; }
.table th:first-child, .table td:first-child { padding-left: 22px; }
.table th:last-child, .table td:last-child { padding-right: 22px; }
.table__title { font-weight: 600; color: var(--ink); text-decoration: none; }
.table__actions { text-align: right; white-space: nowrap; }
.link-btn { min-height: 44px; padding: 0 8px; border: 0; background: none; color: var(--deep); font-weight: 600; text-decoration: underline; }

/* 5. Site public ---------------------------------------------------------- */

.topbar { background: var(--deep); color: var(--on-deep); font-size: 13px; }
.topbar .container { padding-block: 8px; }

.site-header { position: sticky; top: 0; z-index: 10; background: rgba(244, 246, 248, .92); backdrop-filter: blur(8px); border-bottom: 1px solid var(--line); }
.site-header .container { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 16px; padding-block: 14px; }

.logo { display: inline-flex; flex-direction: column; line-height: 1.15; text-decoration: none; color: var(--deep); }
.logo:hover { color: var(--deep); }
.logo__name { font-weight: 600; font-size: 20px; letter-spacing: -0.01em; }
.logo__dot { color: var(--accent); }
.logo__tagline { font-size: 11px; letter-spacing: 0.18em; color: var(--muted); }
.logo--light, .logo--light:hover { color: #FFFFFF; }
.logo--light .logo__dot { color: var(--accent-light); }
.logo--light .logo__tagline { color: var(--on-deep-soft); }

.nav { display: flex; flex-wrap: wrap; align-items: center; gap: 4px; font-size: 14px; }
.nav__link { padding: 12px 10px; font-weight: 500; color: var(--ink-soft); text-decoration: none; }
.nav__link:hover { color: var(--accent); }
.nav__link[aria-current="page"] { color: var(--accent); font-weight: 600; }
.nav .btn { margin-left: 8px; min-height: 44px; padding: 0 18px; font-size: 14px; }

/* Hero */
.hero { display: flex; flex-wrap: wrap; gap: 56px; align-items: center; padding-block: 72px 80px; }
.hero__content { flex: 999 1 480px; min-width: 0; }
.hero__title { margin-top: 22px; font-size: clamp(36px, 5vw, 56px); line-height: 1.08; letter-spacing: -0.02em; }
.hero__title-light { display: block; font-weight: 300; color: var(--accent); }
.hero__lead { margin-top: 26px; font-size: 18px; line-height: 1.65; max-width: 540px; color: var(--ink-soft); }
.hero__actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 34px; }
.hero__media { flex: 1 1 420px; min-width: 0; margin: 0; position: relative; }
.hero__photo { width: 100%; height: auto; aspect-ratio: 1 / 1.1; object-fit: cover; object-position: 56% 30%; border-radius: var(--radius); }
.hero__quote {
  position: absolute; left: 20px; right: 20px; bottom: 20px;
  background: rgba(255, 255, 255, .96); border: 1px solid var(--line); border-radius: var(--radius-sm);
  padding: 16px 18px;
}
.hero__quote-text { font-size: 15px; line-height: 1.5; }
.hero__quote-author { margin-top: 8px; font-size: 13px; color: var(--muted); }

/* Accès rapide */
.quick-link { display: flex; flex-direction: row; justify-content: space-between; align-items: center; gap: 12px; text-align: left; }
.quick-link__title { display: block; font-weight: 600; font-size: 18px; }
.quick-link__sub { font-size: 14px; color: var(--muted); }
.quick-link__arrow { color: var(--accent); font-size: 20px; }

/* Cas d'usage */
.feature__icon { display: inline-flex; width: 44px; height: 44px; border-radius: var(--radius-sm); background: var(--accent-soft); color: var(--accent); align-items: center; justify-content: center; }
.feature__title { margin: 16px 0 8px; font-size: 18px; }
.feature__text { color: var(--ink-soft); line-height: 1.65; }

/* Bloc sombre « espace élèves » */
.deep-card { background: var(--deep-2); border-radius: var(--radius); padding: 24px; }
.deep-card__title { font-size: 18px; color: #FFFFFF; }
.deep-card__text { margin-top: 10px; color: var(--on-deep-soft); font-size: 15px; line-height: 1.6; }

/* À propos */
.about { display: flex; flex-wrap: wrap; gap: 48px; align-items: center; }
.about__photo { flex: 0 1 300px; width: 300px; height: auto; aspect-ratio: 1; object-fit: cover; object-position: 56% 25%; border-radius: var(--radius); }
.about__body { flex: 999 1 460px; min-width: 0; }
.about__body p:not(.eyebrow) { margin-top: 14px; font-size: 17px; line-height: 1.7; color: var(--ink-soft); }

/* Lettre d'information */
.newsletter { display: flex; flex-wrap: wrap; gap: 24px; align-items: center; justify-content: space-between; padding: 36px; }
.newsletter__text { flex: 1 1 340px; }
.newsletter__form { flex: 1 1 420px; display: flex; flex-wrap: wrap; gap: 10px; }
.newsletter__form .input { flex: 1 1 220px; border-radius: var(--radius-btn); }

/* Pied de page */
.site-footer { background: var(--deep); color: var(--on-deep-soft); font-size: 14px; }
.site-footer__top { display: flex; flex-wrap: wrap; gap: 32px; justify-content: space-between; padding-block: 48px 32px; }
.site-footer__desc { margin-top: 10px; max-width: 380px; line-height: 1.6; }
.site-footer__nav { display: flex; flex-wrap: wrap; gap: 8px 24px; align-items: flex-start; }
.site-footer__nav a { color: var(--on-deep); padding-block: 6px; }
.site-footer__bottom { border-top: 1px solid var(--deep-line); padding-block: 18px 28px; font-size: 13px; line-height: 1.6; }

/* Blog : en-tête de liste */
.page-head { padding-block: 64px 32px; }
.page-head__title { font-size: clamp(40px, 6vw, 64px); letter-spacing: -0.02em; line-height: 1; }
.page-head__lead { margin-top: 16px; font-size: 18px; color: var(--text-2); max-width: 640px; }
.toolbar-row { margin-top: 32px; display: flex; flex-wrap: wrap; gap: 16px; align-items: center; justify-content: space-between; }
.toolbar-row .search { flex: 0 1 320px; min-width: 0; }

/* Article à la une */
.featured { display: flex; flex-wrap: wrap; overflow: hidden; padding: 0; text-decoration: none; color: var(--ink); }
.featured:hover { color: var(--ink); border-color: var(--accent); }
.featured__media { flex: 1 1 420px; min-height: 300px; background: var(--deep); display: flex; align-items: center; justify-content: center; color: var(--accent-light); font-size: 160px; font-weight: 300; line-height: 1; }
.featured__body { flex: 1 1 420px; min-width: 0; padding: 40px; display: flex; flex-direction: column; justify-content: center; gap: 14px; }
.featured__title { font-size: 32px; line-height: 1.15; }
.featured__text { font-size: 17px; color: var(--text-2); }

/* Vignette d'article (image) */
.post-thumb { height: 170px; border-radius: var(--radius-sm); background: var(--tint); display: flex; align-items: center; justify-content: center; font-size: 72px; font-weight: 300; color: var(--accent); margin-bottom: 4px; }
.post-thumb--deep { background: var(--deep); color: var(--accent-light); }
.post-thumb--soft { background: var(--accent-soft); color: var(--accent-deep); }

/* Article */
.article-head { padding-top: 48px; }
.article-head__title { margin-top: 24px; font-size: clamp(34px, 5vw, 52px); line-height: 1.08; letter-spacing: -0.02em; }
.article-head__lead { margin-top: 22px; font-size: 20px; line-height: 1.55; color: var(--text-2); }
.byline { margin-top: 28px; display: flex; flex-wrap: wrap; align-items: center; gap: 14px; padding-block: 18px; border-block: 1px solid var(--line); }
.byline__avatar { width: 48px; height: 48px; border-radius: 50%; object-fit: cover; object-position: 56% 22%; }
.byline__who { flex: 1 1 200px; }
.byline__name { display: block; font-weight: 600; }
.byline__meta { font-size: 14px; color: var(--muted); }
.article-cover { margin: 40px auto 0; max-width: 1000px; padding-inline: var(--gutter); }
.article-cover__img { height: 420px; border-radius: var(--radius); background: var(--deep); display: flex; align-items: center; justify-content: center; color: var(--accent-light); font-size: 220px; font-weight: 300; line-height: 1; }
.article-cover figcaption { margin-top: 10px; font-size: 13px; color: var(--muted); }

.toc { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px 26px; margin-bottom: 40px; }
.toc__title { font-weight: 600; }
.toc ol { margin: 10px 0 0; padding-left: 22px; font-size: 16px; line-height: 1.9; }

.prose { padding-top: 48px; font-size: 18px; line-height: 1.75; color: var(--ink-soft); }
.prose > p { margin-bottom: 22px; }
.prose h2 { margin: 48px 0 16px; font-size: 28px; color: var(--ink); }
.prose h3 { margin: 32px 0 12px; font-size: 21px; color: var(--ink); }
.prose blockquote { margin: 36px 0; padding-left: 22px; border-left: 3px solid var(--accent); font-size: 24px; line-height: 1.4; font-weight: 500; color: var(--ink); }
.callout { margin: 32px 0; background: var(--accent-soft); border-radius: var(--radius); padding: 22px 26px; }
.callout__title { display: block; font-weight: 600; color: var(--accent-deep); }
.callout p { margin-top: 8px; color: var(--deep); }
.keypoints { margin: 40px 0 0; background: var(--deep); color: var(--on-deep); border-radius: var(--radius); padding: 28px; }
.keypoints__title { font-weight: 600; font-size: 20px; color: #FFFFFF; }
.keypoints ul { margin: 12px 0 0; padding-left: 22px; }
.tags { margin-top: 40px; display: flex; flex-wrap: wrap; gap: 8px; }
.tags a { padding: 8px 14px; border: 1px solid var(--line-strong); border-radius: var(--radius-btn); text-decoration: none; font-size: 14px; color: var(--ink); background: var(--card); }

/* 6. Espace élèves -------------------------------------------------------- */

/* Connexion */
.auth { min-height: 100vh; display: flex; flex-wrap: wrap; }
.auth__aside { flex: 1 1 480px; min-width: 0; background: var(--deep); color: var(--on-deep); padding: 40px 48px; display: flex; flex-direction: column; justify-content: space-between; gap: 48px; }
.auth__title { margin-top: 18px; font-size: clamp(36px, 4.5vw, 52px); line-height: 1.08; color: #FFFFFF; letter-spacing: -0.02em; }
.auth__lead { margin-top: 22px; font-size: 18px; color: var(--on-deep-soft); max-width: 460px; }
.auth__back { color: var(--on-deep-soft); font-size: 14px; padding-block: 12px; }
.auth__main { flex: 1 1 480px; min-width: 0; display: flex; align-items: center; justify-content: center; padding: 48px var(--gutter); }
.auth__box { width: 100%; max-width: 440px; }
.auth__heading { font-size: 32px; }
.auth__sub { margin: 8px 0 28px; color: var(--muted); }
.tabs { display: flex; gap: 4px; padding: 4px; margin-bottom: 28px; background: var(--tint); border-radius: var(--radius-sm); }
.tabs__item { flex: 1; min-height: 44px; border: 0; border-radius: 6px; background: transparent; color: var(--muted); font-weight: 600; font-size: 14px; display: inline-flex; align-items: center; justify-content: center; text-decoration: none; }
.tabs__item[aria-selected="true"], .tabs__item[aria-current="page"] { background: var(--card); color: var(--ink); box-shadow: 0 1px 2px rgba(15, 34, 49, .08); }
.notice { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius-sm); padding: 16px; color: var(--text-2); line-height: 1.5; }
.auth__foot { margin-top: 32px; padding-top: 24px; border-top: 1px solid var(--line); font-size: 14px; color: var(--muted); }

/* En-tête de l'application élève */
.app-header { background: var(--deep); color: var(--on-deep); }
.app-header .container { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 16px; padding-block: 12px; }
.app-header__left { display: flex; flex-wrap: wrap; align-items: center; gap: 28px; }
.app-nav { display: flex; flex-wrap: wrap; gap: 4px; font-size: 14px; }
.app-nav a { padding: 12px 14px; border-radius: var(--radius-sm); color: var(--on-deep-soft); text-decoration: none; }
.app-nav a:hover { color: #FFFFFF; }
.app-nav a[aria-current="page"] { background: var(--deep-2); color: #FFFFFF; font-weight: 600; }
.user { display: flex; align-items: center; gap: 12px; }
.user__avatar { width: 40px; height: 40px; border-radius: 50%; background: var(--accent); color: #FFFFFF; display: inline-flex; align-items: center; justify-content: center; font-weight: 600; font-size: 14px; }
.user__name { display: block; font-weight: 600; line-height: 1.2; }
.user__class { font-size: 13px; color: var(--on-deep-soft); }
.user .icon-btn { color: var(--on-deep-soft); }
.user .icon-btn:hover { background: var(--deep-2); color: #FFFFFF; }

.app-main { padding-block: 40px 72px; }
.app-title { font-size: 36px; letter-spacing: -0.02em; }
.app-sub { margin: 6px 0 32px; font-size: 17px; color: var(--muted); }

/* Prochaine séance */
.next-session { display: flex; flex-wrap: wrap; gap: 20px; align-items: center; justify-content: space-between; background: var(--deep); color: var(--on-deep); border-radius: var(--radius); padding: 28px; text-decoration: none; }
.next-session:hover { color: var(--on-deep); background: var(--deep-2); }
.next-session__title { margin-top: 10px; font-size: 26px; color: #FFFFFF; }
.next-session__meta { margin-top: 8px; color: var(--on-deep-soft); }
.next-session .eyebrow { color: var(--accent-light); }

/* Panneau générique */
.panel { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 26px; }
.panel__head { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: baseline; gap: 12px; margin-bottom: 12px; }
.panel__title { font-size: 21px; }
.panel__count { font-size: 14px; color: var(--muted); }
.panel--soft { background: var(--accent-soft); border-color: transparent; }
.panel--soft .panel__title { color: var(--accent-deep); }

/* Travail à faire */
.todo { list-style: none; margin: 0; padding: 0; }
.todo__item { display: flex; align-items: center; gap: 14px; padding: 14px 0; border-top: 1px solid var(--card-2); }
.todo__check { flex: none; width: 24px; height: 24px; accent-color: var(--ok); }
.todo__body { flex: 1; min-width: 0; }
.todo__title { display: block; font-weight: 600; }
.todo__subject { font-size: 14px; color: var(--muted); }
.todo__item.is-done .todo__title { color: var(--muted); text-decoration: line-through; font-weight: 500; }

/* Ressources */
.resource { display: flex; flex-direction: column; gap: 8px; padding: 18px; border: 1px solid var(--line); border-radius: var(--radius-sm); text-decoration: none; color: var(--ink); }
.resource:hover { border-color: var(--accent); color: var(--ink); }
.resource__type { display: inline-flex; align-items: center; gap: 6px; font-size: 12px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.06em; color: var(--accent); }
.resource__type .icon { width: 16px; height: 16px; }
.resource__title { font-weight: 600; }
.resource__meta { font-size: 14px; color: var(--muted); }

/* Matières */
.subjects { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 6px; }
.subject { display: flex; align-items: center; gap: 14px; padding: 12px; border-radius: var(--radius-sm); background: var(--paper); text-decoration: none; color: var(--ink); }
.subject:hover { background: var(--tint); color: var(--ink); }
.subject__glyph { flex: none; width: 44px; height: 44px; border-radius: var(--radius-sm); background: var(--accent-soft); color: var(--accent-deep); display: inline-flex; align-items: center; justify-content: center; font-size: 20px; font-weight: 600; }
.subject__body { flex: 1; min-width: 0; }
.subject__name { display: block; font-weight: 600; }
.subject__where { font-size: 14px; color: var(--muted); }

/* Page cours : séquences et séances */
.course-head { margin: 20px 0 28px; display: flex; flex-wrap: wrap; gap: 16px; align-items: flex-end; justify-content: space-between; }
.seq-nav { flex: 1 1 280px; min-width: 0; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 12px; }
.seq-nav__label { margin: 8px 12px 10px; font-size: 12px; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); }
.seq-nav__item { display: flex; align-items: center; gap: 12px; padding: 12px; margin: 2px 0; border-radius: var(--radius-sm); text-decoration: none; color: var(--ink); }
.seq-nav__item:hover { background: var(--paper); color: var(--ink); }
.seq-nav__item[aria-current="true"] { background: var(--paper); box-shadow: inset 0 0 0 2px var(--deep); }
.seq-nav__num { flex: none; width: 36px; height: 36px; border-radius: var(--radius-sm); background: var(--card-2); display: inline-flex; align-items: center; justify-content: center; font-weight: 600; }
.seq-nav__item[aria-current="true"] .seq-nav__num { background: var(--deep); color: #FFFFFF; }
.seq-nav__title { display: block; font-weight: 600; line-height: 1.3; }
.seq-nav__status { font-size: 14px; color: var(--muted); }

.seq-content { flex: 999 1 600px; min-width: 0; display: flex; flex-direction: column; gap: 16px; }
.seq-banner { background: var(--deep); color: var(--on-deep); border-radius: var(--radius); padding: 28px; }
.seq-banner .eyebrow { color: var(--accent-light); }
.seq-banner__title { margin-top: 8px; font-size: 28px; color: #FFFFFF; }
.seq-banner__question { margin-top: 10px; color: var(--on-deep-soft); }

.session { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px 24px; }
.session__head { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; justify-content: space-between; }
.session__title-wrap { display: flex; align-items: center; gap: 12px; min-width: 0; }
.session__num { font-weight: 600; font-size: 14px; color: var(--muted); }
.session__title { font-size: 19px; }
.session__res { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; }
.res-pill { display: inline-flex; align-items: center; gap: 8px; min-height: 44px; padding: 0 14px; border-radius: var(--radius-sm); background: var(--paper); border: 1px solid var(--line); text-decoration: none; color: var(--ink); font-size: 14px; }
.res-pill:hover { border-color: var(--accent); color: var(--ink); }
.res-pill__label { color: var(--muted); }
.res-pill::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--dot, var(--accent)); }
.res-pill--fiche { --dot: #1E6F8E; }
.res-pill--video { --dot: #7A3FC2; }
.res-pill--quiz { --dot: #1E6B48; }
.res-pill--exo { --dot: #B7791A; }


/* 8. Intégration framework ------------------------------------------------ */

/* Enveloppe posée par le noyau autour du contenu des pages. */
.site-body { min-height: 60vh; }

/* Variables des blocs de l'éditeur de pages (core/blocks/_base.css). */
:root {
  --msb-accent: var(--accent);
  --msb-text: var(--ink);
  --msb-radius: var(--radius);
  --msb-max: var(--maxw);
  --msb-font-head: var(--font);
}

/* Messages après un formulaire (flashGet). */
.flash { margin: 0 0 20px; padding: 14px 16px; border-radius: var(--radius-sm); font-weight: 500; line-height: 1.5; }
.flash--success { background: var(--ok-soft); color: var(--ok); }
.flash--error { background: #FBEAEA; color: #8E2424; }
.flash--info { background: var(--accent-soft); color: var(--accent-deep); }
.site-footer .flash { margin-top: 16px; }

/* Champ piège anti-robots (formulaires publics). */
.hp-field { position: absolute !important; left: -10000px; width: 1px; height: 1px; overflow: hidden; }

/* Contenu HTML des articles (éditeur du back-office). */
.prose img { border-radius: var(--radius-sm); margin: 24px 0; height: auto; }
.prose ul, .prose ol { margin: 0 0 22px; padding-left: 24px; }
.prose li { margin-bottom: 6px; }
.prose a { text-decoration: underline; }
.prose table { width: 100%; border-collapse: collapse; margin: 24px 0; font-size: 16px; }
.prose th, .prose td { border: 1px solid var(--line); padding: 10px 12px; text-align: left; }
.prose iframe, .ms-body iframe { width: 100%; max-width: 100%; aspect-ratio: 16 / 9; height: auto; border: 0; border-radius: var(--radius-sm); }
.article-cover__photo { width: 100%; height: auto; max-height: 520px; object-fit: cover; border-radius: var(--radius); }

/* Vignette d'article avec image de couverture. */
.post-thumb--img { padding: 0; overflow: hidden; background: var(--tint); }
.post-thumb--img img { width: 100%; height: 100%; object-fit: cover; }

/* Liste vide. */
.empty { padding: 48px 0; text-align: center; color: var(--muted); font-size: 17px; }

/* Pages de texte (mentions légales, confidentialité). */
.legal { padding-block: 56px 80px; }
.legal h1 { font-size: 36px; margin-bottom: 24px; }
.legal h2 { font-size: 22px; margin: 36px 0 12px; }
.legal p, .legal li { color: var(--ink-soft); margin-bottom: 12px; }

/* Sélecteur de langue (langSwitcher, si le site devient multilingue). */
.ms-lang-switch { display: inline-flex; gap: 2px; margin-left: 12px; }
.ms-lang-switch a { padding: 2px 7px; border-radius: var(--radius-btn); font-size: 12px; font-weight: 600; color: var(--muted); text-decoration: none; }
.ms-lang-switch a.is-active { background: var(--deep); color: #FFFFFF; }

/* Espace élèves : connexion intégrée sous l'en-tête du site. */
.auth--embedded { min-height: auto; }
.auth--embedded .auth__aside { padding-block: 56px; }

/* Adaptations petits écrans ---------------------------------------------- */
@media (max-width: 720px) {
  :root { --gutter: 16px; }
  .section { padding-block: 56px; }
  .hero { padding-block: 40px 56px; gap: 32px; }
  .nav { width: 100%; justify-content: space-between; }
  .nav .btn { margin-left: 0; }
  .auth__aside { padding: 32px var(--gutter); }
  .featured__body { padding: 28px; }
  .article-cover__img { height: 240px; font-size: 140px; }
  .newsletter { padding: 24px; }
}

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; }
}

/* Encadré « Comment utiliser cet article » (articles rédigés avec la veille). */
.prose .callout--usage { margin-top: 48px; }
.prose .callout--usage ul { margin: 12px 0 0; padding-left: 20px; font-size: 16px; color: var(--deep); }
.prose .callout--usage li { margin-bottom: 8px; }

/* Signature de l'auteur (fin d'article) et liens de la page auteur. */
.byline__name { color: inherit; text-decoration: none; }
.byline__name:hover { text-decoration: underline; }
.prose .author-box { display: flex; gap: 18px; align-items: center; margin-top: 48px; padding: 22px 24px; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.prose .author-box__photo { width: 72px; height: 72px; border-radius: 50%; object-fit: cover; object-position: 56% 22%; margin: 0; flex: none; }
.prose .author-box p { margin: 0; }
.author-box__name { font-weight: 600; color: var(--ink); font-size: 17px; }
.prose .author-box__name a { text-decoration: none; color: var(--accent-deep); }
.author-box__bio { font-size: 15px; color: var(--muted); margin-top: 4px !important; }
.author-links { display: flex; flex-wrap: wrap; gap: 10px; list-style: none; padding: 0; margin: 24px 0 0; }
.author-links a { display: inline-block; padding: 8px 14px; border: 1px solid var(--line-strong); border-radius: 999px; font-weight: 500; font-size: 15px; text-decoration: none; }
.author-links a:hover { border-color: var(--accent); color: var(--accent-deep); }
.prose .author-box__links { font-size: 14px; margin-top: 6px !important; }
.prose .author-box__links a { color: var(--accent-deep); }