/* ============================================================================
   DAIRIA — Librairie de blocs e-learning : styles des blocs
   Prérequis : tokens.css chargé avant (variables charte navy/orange).
   Chaque bloc est rendu dans un <section class="block reveal"> par le dispatcher.
   Mécaniques Rise ré-implémentées proprement — zéro dépendance.
   ============================================================================ */

/* ── Ossature leçon ── */
.lesson{max-width:var(--maxw);margin:0 auto;padding:3rem 1.25rem 6rem;
  font-family:var(--heading);color:var(--ink);line-height:1.6}
.block{padding-block:var(--pad-block)}
.block__label{font-size:.7rem;font-weight:700;color:var(--orange);letter-spacing:.1em;
  text-transform:uppercase;margin:0 0 .6rem}
.block p{margin:.2rem 0 .9rem}
.block p:last-child{margin-bottom:0}

/* ── Animation d'entrée par bloc (animateBlockEntrance de Rise) ── */
.reveal{opacity:0;transform:translateY(14px);
  transition:opacity .6s var(--ease),transform .6s var(--ease)}
.reveal.is-in{opacity:1;transform:none}

/* ── (0) Header de leçon ── */
.lesson__kicker{color:var(--orange);font-weight:800;letter-spacing:.14em;text-transform:uppercase;
  font-size:.72rem;margin:0 0 .4rem}
.lesson__title{font-size:2rem;line-height:1.15;margin:0 0 .4rem;color:var(--navy)}
.lesson__meta{color:var(--muted);font-size:.9rem;margin:0 0 .2rem;
  border-bottom:1px solid var(--line);padding-bottom:1.4rem}

/* ── (1) Impact : accroche pleine largeur ── */
.impact{background:linear-gradient(135deg,var(--navy),var(--navy-d));color:#fff;border-radius:var(--radius);
  padding:2.6rem 2rem;text-align:center;position:relative;overflow:hidden}
.impact::before{content:"";position:absolute;inset:0 auto 0 0;width:6px;background:var(--orange)}
.impact__q{font-size:1.5rem;font-weight:800;line-height:1.3;margin:0 auto;max-width:40ch}
.impact__q em{color:var(--orange);font-style:normal}
.impact__by{margin:.9rem 0 0;font-size:.85rem;color:#ffffffb0}

/* ── (2) Image / figure ── */
.figure{margin:0}
.figure__img{width:100%;height:auto;display:block;border-radius:var(--radius);
  box-shadow:0 6px 20px #1d627a1f;background:#e9eef1}
.figure__cap{margin:.7rem 0 0;font-size:.82rem;color:var(--muted);text-align:center}

/* ── (3) Accordion : header <button> + barre d'accent + chevron + panneau collapsible ── */
.accordion{border-top:1px solid var(--line)}
.accordion__item{border-bottom:1px solid var(--line)}
.accordion__header{width:100%;display:flex;align-items:center;gap:1rem;background:none;border:0;
  border-inline-start:4px solid transparent;cursor:pointer;font:inherit;color:var(--navy);font-weight:700;
  text-align:left;padding:1.1rem 1rem;transition:border-color .3s var(--ease),background .3s var(--ease)}
.accordion__header:hover{background:#1d627a08}
.accordion__item.is-open>.accordion__header{border-inline-start-color:var(--orange)}
.accordion__title{flex:1}
.accordion__toggler{width:1.4rem;height:1.4rem;flex:0 0 auto;color:var(--orange);
  transition:transform .3s var(--ease)}
.accordion__item.is-open .accordion__toggler{transform:rotate(180deg)}
.accordion__panel{max-height:0;overflow:hidden;transition:max-height .35s var(--ease)}
.accordion__inner{padding:0 1rem 1.2rem 1.75rem;color:var(--muted)}

/* ── (4) Flashcard : flip 3D au clic ── */
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(15rem,1fr));gap:1rem}
.card{perspective:1200px;background:none;border:0;padding:0;cursor:pointer;font:inherit;height:11rem}
.card__inner{position:relative;width:100%;height:100%;transition:transform .6s var(--ease);
  transform-style:preserve-3d}
.card.is-flipped .card__inner{transform:rotateY(180deg)}
.card__face{position:absolute;inset:0;display:flex;flex-direction:column;justify-content:center;align-items:center;
  text-align:center;padding:1.2rem;border-radius:var(--radius);backface-visibility:hidden;
  box-shadow:0 6px 20px #1d627a1f}
.card__face--front{background:var(--card);border:1px solid var(--line);color:var(--navy)}
.card__face--back{background:var(--navy);color:#fff;transform:rotateY(180deg)}
.card__hint{position:absolute;bottom:.6rem;right:.8rem;font-size:.62rem;letter-spacing:.08em;
  text-transform:uppercase;color:var(--orange);font-weight:700}
.card__q{font-size:1.1rem;font-weight:800;margin:0}
.card__a{font-size:.95rem;margin:0}

/* ── (5) ContinueGate : gating progressif (révèle la suite au clic) ── */
.gate{text-align:center;padding:.6rem 0}
.gate__btn{background:var(--navy);color:#fff;border:0;border-radius:999px;padding:.8rem 1.8rem;font:inherit;
  font-weight:700;cursor:pointer;box-shadow:0 6px 18px #1d627a40;transition:transform .2s var(--ease),background .2s}
.gate__btn:hover{transform:translateY(-2px);background:var(--navy-d)}
.gate__hint{display:block;margin-top:.5rem;font-size:.75rem;color:var(--muted)}
.gate__revealed{margin-top:1.4rem;text-align:left}
.gated{display:none}
.gated.is-open{display:block;animation:dairia-fade .5s var(--ease)}
@keyframes dairia-fade{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}

/* ── (6) LabeledGraphic : image + marqueurs % + tooltip ── */
.lg{position:relative;border-radius:var(--radius);overflow:hidden;background:#e9eef1;aspect-ratio:16/8}
.lg__img{width:100%;height:100%;object-fit:cover;display:block}
.lg__marker{position:absolute;transform:translate(-50%,-50%) scale(.01);width:2.2rem;height:2.2rem;
  border-radius:50%;background:var(--orange);color:#fff;border:3px solid #fff;font-weight:800;cursor:pointer;
  box-shadow:0 4px 12px #0004;animation:dairia-pop .5s var(--ease) forwards;animation-delay:calc(var(--i)*.15s)}
.lg__marker:hover,.lg__marker.is-active{background:var(--navy)}
@keyframes dairia-pop{to{transform:translate(-50%,-50%) scale(1)}}
.lg__tip{position:absolute;left:50%;bottom:1rem;transform:translateX(-50%);background:#fff;border-radius:.6rem;
  padding:.7rem 1rem;max-width:22rem;box-shadow:0 8px 24px #0003;font-size:.9rem;opacity:0;
  pointer-events:none;transition:opacity .3s}
.lg__tip.is-on{opacity:1}

/* ── (7) Tabs ── */
.tabs__list{display:flex;flex-wrap:wrap;gap:.3rem;border-bottom:1px solid var(--line);margin-bottom:1.2rem}
.tabs__tab{background:none;border:0;border-bottom:3px solid transparent;font:inherit;font-weight:700;
  color:var(--muted);cursor:pointer;padding:.7rem 1rem;transition:color .2s,border-color .2s}
.tabs__tab:hover{color:var(--navy)}
.tabs__tab[aria-selected="true"]{color:var(--navy);border-bottom-color:var(--orange)}
.tabs__panel{color:var(--ink)}
.tabs__panel[hidden]{display:none}

/* ── (8) Callout : note / astuce / attention / clé ── */
.callout{display:flex;gap:.9rem;border-radius:var(--radius);padding:1.1rem 1.3rem;
  background:#1d627a0a;border-inline-start:4px solid var(--navy)}
.callout__icon{flex:0 0 auto;width:1.4rem;height:1.4rem;color:var(--navy)}
.callout__body{flex:1}
.callout__body>*:first-child{margin-top:0}
.callout--tip{background:#16a34a12;border-inline-start-color:#16a34a}
.callout--tip .callout__icon{color:#16a34a}
.callout--warn{background:#f9731612;border-inline-start-color:#f97316}
.callout--warn .callout__icon{color:#f97316}
.callout--key{background:#ff914c14;border-inline-start-color:var(--orange)}
.callout--key .callout__icon{color:var(--orange)}

/* ── (9) List : étapes / checklist ── */
.list{list-style:none;padding:0;margin:0;display:grid;gap:.7rem}
.list__item{display:flex;gap:.9rem;align-items:flex-start}
.list__marker{flex:0 0 auto;width:1.7rem;height:1.7rem;border-radius:50%;background:var(--navy);color:#fff;
  font-size:.85rem;font-weight:800;display:flex;align-items:center;justify-content:center}
.list--check .list__marker{background:var(--orange)}
.list__text{flex:1;padding-top:.15rem}
.list__text strong{color:var(--navy)}

/* ── (10) KnowledgeCheck : QCM avec feedback ── */
.qcm__q{font-weight:800;color:var(--navy);font-size:1.1rem;margin:0 0 1rem}
.qcm__opts{display:grid;gap:.6rem}
.qcm__opt{display:flex;align-items:center;gap:.8rem;text-align:left;width:100%;font:inherit;cursor:pointer;
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:.9rem 1.1rem;
  color:var(--ink);transition:border-color .2s,background .2s}
.qcm__opt:hover:not(:disabled){border-color:var(--navy)}
.qcm__opt:disabled{cursor:default}
.qcm__opt::before{content:"";flex:0 0 auto;width:1.2rem;height:1.2rem;border-radius:50%;
  border:2px solid var(--muted);transition:border-color .2s}
.qcm__opt.is-correct{border-color:#16a34a;background:#16a34a12}
.qcm__opt.is-correct::before{border-color:#16a34a;background:#16a34a;box-shadow:inset 0 0 0 3px #fff}
.qcm__opt.is-wrong{border-color:#dc2626;background:#dc262610}
.qcm__opt.is-wrong::before{border-color:#dc2626}
.qcm__feedback{margin:1rem 0 0;padding:.9rem 1.1rem;border-radius:var(--radius);font-size:.92rem;
  display:none}
.qcm__feedback.is-on{display:block;animation:dairia-fade .4s var(--ease)}
.qcm__feedback--ok{background:#16a34a12;color:#14532d}
.qcm__feedback--ko{background:#dc262610;color:#7f1d1d}

/* ── Réduction de mouvement ── */
@media (prefers-reduced-motion:reduce){
  .lesson *{animation-duration:.001s!important;transition-duration:.001s!important}
  .reveal{opacity:1;transform:none}
  .lg__marker{transform:translate(-50%,-50%) scale(1)}
}