/* ============================================================
   Tutoriel interactif (30 septembre) — voir public/tutoriel.js
   Feuille autonome (chargée par les pages EJS ET par l'appli React) : ses propres jetons, thème sombre par défaut,
   thème clair via [data-theme="clair"] ou la préférence système, comme le reste du forum.
   ============================================================ */
:root {
  --lrt-verre: rgba(20, 16, 36, 0.86);
  --lrt-verre-plein: #16121f;
  --lrt-texte: #f4f1fc;
  --lrt-doux: #aaa1c6;
  --lrt-trait: rgba(255, 255, 255, 0.09);
  --lrt-voile: rgba(6, 4, 16, 0.66);
  --lrt-accent: #a78bfa;
  --lrt-accent-rgb: 167, 139, 250;
  --lrt-degrade: linear-gradient(135deg, #8b5cf6 0%, #6366f1 45%, #2f7bff 100%);
  --lrt-lisere: linear-gradient(135deg, rgba(167, 139, 250, .75), rgba(47, 123, 255, .35) 40%, rgba(255, 46, 67, .35) 100%);
  --lrt-ombre: 0 24px 60px -12px rgba(0, 0, 0, .65), 0 0 0 1px rgba(255, 255, 255, .04);
  --lrt-champ: rgba(255, 255, 255, .06);
}
:root[data-theme="clair"] {
  --lrt-verre: rgba(255, 255, 255, 0.9);
  --lrt-verre-plein: #ffffff;
  --lrt-texte: #1b1730;
  --lrt-doux: #5c5570;
  --lrt-trait: rgba(27, 23, 48, 0.1);
  --lrt-voile: rgba(24, 16, 52, 0.46);
  --lrt-accent: #7c3aed;
  --lrt-accent-rgb: 124, 58, 237;
  --lrt-ombre: 0 24px 60px -14px rgba(40, 20, 90, .35), 0 0 0 1px rgba(27, 23, 48, .06);
  --lrt-champ: rgba(27, 23, 48, .05);
}
@media (prefers-color-scheme: light) {
  :root:not([data-theme="sombre"]) {
    --lrt-verre: rgba(255, 255, 255, 0.9);
    --lrt-verre-plein: #ffffff;
    --lrt-texte: #1b1730;
    --lrt-doux: #5c5570;
    --lrt-trait: rgba(27, 23, 48, 0.1);
    --lrt-voile: rgba(24, 16, 52, 0.46);
    --lrt-accent: #7c3aed;
    --lrt-accent-rgb: 124, 58, 237;
    --lrt-ombre: 0 24px 60px -14px rgba(40, 20, 90, .35), 0 0 0 1px rgba(27, 23, 48, .06);
    --lrt-champ: rgba(27, 23, 48, .05);
  }
}

.lrt-invisible { position: absolute !important; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.lrt-ico { flex: none; display: inline-block; vertical-align: middle; }
.lrt-racine, .lrt-invitation, .lrt-lanceur, .lrt-centre-racine, .lrt-passerelle {
  font-family: inherit; -webkit-font-smoothing: antialiased; box-sizing: border-box; line-height: 1.45;
}
.lrt-racine *, .lrt-invitation *, .lrt-centre-racine *, .lrt-passerelle * { box-sizing: border-box; }
.lrt-racine kbd, .lrt-centre kbd {
  display: inline-block; min-width: 1.6em; padding: 1px 6px; border-radius: 6px; font-weight: 600; font-size: .82em; line-height: 1.5; font-family: inherit; text-align: center;
  background: var(--lrt-champ); border: 1px solid var(--lrt-trait); border-bottom-width: 2px; color: var(--lrt-texte);
}
.lrt-racine code { padding: 1px 5px; border-radius: 5px; background: rgba(var(--lrt-accent-rgb), .14); color: var(--lrt-accent); font-size: .9em; }

/* ---------------------------------------------------------- Calque de visite */
.lrt-racine { position: fixed; inset: 0; z-index: 10000; pointer-events: none; opacity: 0; transition: opacity .25s ease; }
.lrt-racine.lrt-visible { opacity: 1; }
.lrt-bloqueur { position: fixed; inset: 0; pointer-events: auto; background: transparent; }
.lrt-projecteur {
  position: fixed; top: 0; left: 0; pointer-events: none; border-radius: 14px;
  box-shadow: 0 0 0 200vmax var(--lrt-voile), 0 0 0 2px rgba(var(--lrt-accent-rgb), .95), 0 0 28px 4px rgba(var(--lrt-accent-rgb), .45);
  transition: transform .45s cubic-bezier(.2, .8, .2, 1), width .45s cubic-bezier(.2, .8, .2, 1), height .45s cubic-bezier(.2, .8, .2, 1), border-radius .3s;
}
.lrt-projecteur::after {
  content: ''; position: absolute; inset: -6px; border-radius: inherit; border: 2px solid rgba(var(--lrt-accent-rgb), .55);
  animation: lrt-onde 1.8s ease-out infinite;
}
.lrt-projecteur-vide { box-shadow: 0 0 0 200vmax var(--lrt-voile); }
.lrt-projecteur-vide::after { display: none; }
@keyframes lrt-onde { 0% { opacity: .9; transform: scale(1); } 100% { opacity: 0; transform: scale(1.06); } }

.lrt-carte {
  position: fixed; top: 0; left: 0; width: min(380px, calc(100vw - 24px)); pointer-events: auto; outline: none;
  padding: 16px 18px 14px; border-radius: 20px; color: var(--lrt-texte);
  background: var(--lrt-verre); -webkit-backdrop-filter: blur(18px) saturate(1.4); backdrop-filter: blur(18px) saturate(1.4);
  box-shadow: var(--lrt-ombre); isolation: isolate;
  transition: transform .45s cubic-bezier(.2, .8, .2, 1), opacity .2s;
}
/* Liseré en dégradé (bordure 1px dessinée par un masque) */
.lrt-carte::before, .lrt-invitation::before, .lrt-centre::before {
  content: ''; position: absolute; inset: 0; border-radius: inherit; padding: 1px; pointer-events: none;
  background: var(--lrt-lisere); -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0); -webkit-mask-composite: xor; mask-composite: exclude;
}
.lrt-carte-halo { position: absolute; inset: 0; border-radius: inherit; overflow: hidden; z-index: -1; pointer-events: none; }
.lrt-carte-halo::before {
  content: ''; position: absolute; width: 220px; height: 220px; top: -120px; right: -80px; border-radius: 50%;
  background: radial-gradient(circle, rgba(var(--lrt-accent-rgb), .35), transparent 70%);
}
.lrt-carte-halo::after {
  content: ''; position: absolute; width: 180px; height: 180px; bottom: -120px; left: -60px; border-radius: 50%;
  background: radial-gradient(circle, rgba(47, 123, 255, .22), transparent 70%);
}
/* Petite flèche vers l'élément */
.lrt-carte::after { content: ''; position: absolute; width: 14px; height: 14px; background: var(--lrt-verre-plein); transform: rotate(45deg); display: none; border-radius: 3px; }
.lrt-carte[data-cote="bas"]::after { display: block; top: -7px; left: calc(var(--lrt-fleche) - 7px); }
.lrt-carte[data-cote="haut"]::after { display: block; bottom: -7px; left: calc(var(--lrt-fleche) - 7px); }
.lrt-carte[data-cote="droite"]::after { display: block; left: -7px; top: calc(var(--lrt-fleche) - 7px); }
.lrt-carte[data-cote="gauche"]::after { display: block; right: -7px; top: calc(var(--lrt-fleche) - 7px); }
.lrt-carte.lrt-recherche { opacity: .6; }
.lrt-carte.lrt-secousse { animation: lrt-secousse .4s; }
@keyframes lrt-secousse { 20%, 60% { margin-left: -6px; } 40%, 80% { margin-left: 6px; } }

.lrt-carte-tete { display: flex; align-items: center; gap: 10px; margin-bottom: 12px; }
.lrt-pastille {
  display: inline-flex; align-items: center; justify-content: center; flex: none; width: 30px; height: 30px; border-radius: 10px;
  background: var(--lrt-degrade); color: #fff; box-shadow: 0 6px 16px -6px rgba(var(--lrt-accent-rgb), .9), inset 0 1px 0 rgba(255, 255, 255, .25);
}
.lrt-surtitre { flex: 1; min-width: 0; font-size: 12px; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; color: var(--lrt-accent); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; display: inline-flex; align-items: center; gap: 6px; }
.lrt-x {
  display: inline-flex; align-items: center; justify-content: center; width: 30px; height: 30px; flex: none; border-radius: 10px;
  border: 0; background: transparent; color: var(--lrt-doux); cursor: pointer; transition: background .15s, color .15s;
}
.lrt-x:hover, .lrt-x:focus-visible { background: var(--lrt-champ); color: var(--lrt-texte); }
.lrt-barre { height: 4px; border-radius: 4px; background: var(--lrt-champ); overflow: hidden; margin-bottom: 14px; }
.lrt-barre span { display: block; height: 100%; border-radius: inherit; background: var(--lrt-degrade); box-shadow: 0 0 12px rgba(var(--lrt-accent-rgb), .7); transition: width .45s cubic-bezier(.2, .8, .2, 1); }
.lrt-barre-large { height: 6px; margin: 4px 0 16px; }
.lrt-titre { margin: 0 0 6px; font-size: 18px; font-weight: 800; letter-spacing: -.01em; line-height: 1.25; color: var(--lrt-texte); }
.lrt-texte { margin: 0; font-size: 14.5px; color: var(--lrt-doux); }
.lrt-texte strong { color: var(--lrt-texte); }
.lrt-consigne {
  display: flex; align-items: center; gap: 8px; margin: 12px 0 0; padding: 9px 12px; border-radius: 12px; font-size: 13.5px; font-weight: 600;
  background: rgba(var(--lrt-accent-rgb), .12); color: var(--lrt-texte); border: 1px dashed rgba(var(--lrt-accent-rgb), .45);
}
.lrt-consigne .lrt-ico { color: var(--lrt-accent); animation: lrt-tape 1.4s ease-in-out infinite; }
.lrt-consigne[data-etat="ok"] { background: rgba(34, 197, 94, .14); border: 1px solid rgba(34, 197, 94, .45); }
.lrt-consigne[data-etat="ok"] .lrt-ico { color: #22c55e; animation: none; }
@keyframes lrt-tape { 50% { transform: translateY(-3px); } }
.lrt-pied { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-top: 16px; }
.lrt-compteur { font-size: 12.5px; color: var(--lrt-doux); font-variant-numeric: tabular-nums; }
.lrt-boutons { display: inline-flex; gap: 8px; }
.lrt-bouton {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px; min-height: 38px; padding: 0 15px; border-radius: 12px;
  font-weight: 700; font-size: 14px; line-height: 1; font-family: inherit; cursor: pointer; border: 0; text-decoration: none; transition: transform .15s, box-shadow .2s, background .2s, opacity .2s;
}
.lrt-bouton-principal { color: #fff; background: var(--lrt-degrade); box-shadow: 0 8px 20px -8px rgba(var(--lrt-accent-rgb), .95), inset 0 1px 0 rgba(255, 255, 255, .22); }
.lrt-bouton-principal:hover { transform: translateY(-1px); box-shadow: 0 12px 26px -8px rgba(var(--lrt-accent-rgb), 1), inset 0 1px 0 rgba(255, 255, 255, .22); }
.lrt-bouton-principal:disabled { opacity: .45; cursor: not-allowed; transform: none; }
.lrt-bouton-discret { color: var(--lrt-texte); background: var(--lrt-champ); border: 1px solid var(--lrt-trait); }
.lrt-bouton-discret:hover { background: rgba(var(--lrt-accent-rgb), .12); }
.lrt-bouton:focus-visible, .lrt-parcours:focus-visible, .lrt-suite:focus-visible, .lrt-lanceur:focus-visible, .lrt-lien:focus-visible { outline: 2px solid var(--lrt-accent); outline-offset: 2px; }
.lrt-bouton-large { width: 100%; min-height: 44px; }
.lrt-pulse { animation: lrt-pulse 1.4s ease-in-out infinite; }
@keyframes lrt-pulse { 50% { box-shadow: 0 0 0 6px rgba(var(--lrt-accent-rgb), .25), 0 8px 20px -8px rgba(var(--lrt-accent-rgb), .95); } }

/* Carte de fin */
.lrt-carte-fin { text-align: center; padding: 26px 22px 18px; width: min(400px, calc(100vw - 24px)); overflow: hidden; }
.lrt-fin-medaille {
  width: 72px; height: 72px; margin: 0 auto 14px; border-radius: 50%; display: flex; align-items: center; justify-content: center; color: #fff;
  background: var(--lrt-degrade); box-shadow: 0 0 0 8px rgba(var(--lrt-accent-rgb), .14), 0 14px 34px -8px rgba(var(--lrt-accent-rgb), .95);
  animation: lrt-apparition .6s cubic-bezier(.2, 1.4, .4, 1) both;
}
@keyframes lrt-apparition { from { transform: scale(.4); opacity: 0; } }
.lrt-carte-fin .lrt-texte { margin-bottom: 10px; }
.lrt-pied-fin { justify-content: center; }
.lrt-confettis { position: absolute; inset: 0; pointer-events: none; overflow: hidden; }
.lrt-confettis i { position: absolute; top: -10px; width: 7px; height: 12px; border-radius: 2px; opacity: 0; animation: lrt-confetti 1.8s ease-out forwards; }
.lrt-confettis i:nth-child(3n) { background: #a78bfa; } .lrt-confettis i:nth-child(3n+1) { background: #2f7bff; } .lrt-confettis i:nth-child(3n+2) { background: #ff2e43; }
.lrt-confettis i:nth-child(1) { left: 6%; animation-delay: .05s; } .lrt-confettis i:nth-child(2) { left: 14%; animation-delay: .2s; }
.lrt-confettis i:nth-child(3) { left: 22%; animation-delay: .1s; } .lrt-confettis i:nth-child(4) { left: 30%; animation-delay: .3s; }
.lrt-confettis i:nth-child(5) { left: 38%; animation-delay: .15s; } .lrt-confettis i:nth-child(6) { left: 46%; animation-delay: .35s; }
.lrt-confettis i:nth-child(7) { left: 54%; animation-delay: .05s; } .lrt-confettis i:nth-child(8) { left: 62%; animation-delay: .25s; }
.lrt-confettis i:nth-child(9) { left: 70%; animation-delay: .12s; } .lrt-confettis i:nth-child(10) { left: 78%; animation-delay: .32s; }
.lrt-confettis i:nth-child(11) { left: 86%; animation-delay: .18s; } .lrt-confettis i:nth-child(12) { left: 93%; animation-delay: .28s; }
.lrt-confettis i:nth-child(13) { left: 50%; animation-delay: .4s; }
@keyframes lrt-confetti { 0% { opacity: 1; transform: translateY(0) rotate(0); } 100% { opacity: 0; transform: translateY(260px) rotate(540deg); } }
.lrt-suite {
  display: flex; align-items: center; gap: 12px; width: 100%; margin: 0 0 4px; padding: 12px 14px; border-radius: 14px; cursor: pointer; text-align: left;
  font: inherit; color: var(--lrt-texte); background: rgba(var(--lrt-accent-rgb), .1); border: 1px solid rgba(var(--lrt-accent-rgb), .35); transition: background .2s, transform .15s;
}
.lrt-suite:hover { background: rgba(var(--lrt-accent-rgb), .18); transform: translateY(-1px); }
.lrt-suite > span:nth-child(2) { flex: 1; display: flex; flex-direction: column; }
.lrt-suite small { font-size: 12px; color: var(--lrt-accent); font-weight: 700; text-transform: uppercase; letter-spacing: .05em; }

/* Élément à ouvrir (passerelle vers une page à identifiant) */
.lrt-repere { outline: 2px solid rgba(var(--lrt-accent-rgb), .9) !important; outline-offset: 4px; border-radius: 12px; animation: lrt-repere 1.6s ease-in-out infinite; }
@keyframes lrt-repere { 50% { outline-color: rgba(var(--lrt-accent-rgb), .25); } }
.lrt-passerelle {
  position: fixed; z-index: 9990; left: 50%; top: 16px; transform: translateX(-50%); width: min(460px, calc(100vw - 24px));
  display: flex; align-items: center; gap: 12px; padding: 12px 12px 12px 14px; border-radius: 16px; color: var(--lrt-texte);
  background: var(--lrt-verre); -webkit-backdrop-filter: blur(16px); backdrop-filter: blur(16px); box-shadow: var(--lrt-ombre);
  border: 1px solid rgba(var(--lrt-accent-rgb), .45); animation: lrt-descente .35s cubic-bezier(.2, .8, .2, 1);
}
.lrt-passerelle > div { flex: 1; min-width: 0; }
.lrt-passerelle strong { font-size: 14px; }
.lrt-passerelle p { margin: 2px 0 0; font-size: 13px; color: var(--lrt-doux); }
@keyframes lrt-descente { from { opacity: 0; transform: translate(-50%, -12px); } }

/* ---------------------------------------------------------- Bouton flottant */
.lrt-lanceur {
  position: fixed; z-index: 1900; left: 20px; bottom: 20px; display: inline-flex; align-items: center; gap: 0; height: 46px; min-width: 46px; padding: 0 13px;
  border-radius: 23px; border: 0; cursor: pointer; color: #fff; font-weight: 700; font-size: 14px; line-height: 1; font-family: inherit; background: var(--lrt-degrade);
  box-shadow: 0 10px 28px -8px rgba(var(--lrt-accent-rgb), .9), inset 0 1px 0 rgba(255, 255, 255, .25); transition: transform .2s, box-shadow .2s, gap .25s;
}
.lrt-lanceur-texte { max-width: 0; overflow: hidden; white-space: nowrap; transition: max-width .3s ease, margin .3s; }
.lrt-lanceur:hover, .lrt-lanceur:focus-visible { transform: translateY(-2px); gap: 8px; }
.lrt-lanceur:hover .lrt-lanceur-texte, .lrt-lanceur:focus-visible .lrt-lanceur-texte { max-width: 60px; }
.lrt-lanceur-anneau { position: absolute; inset: 0; border-radius: inherit; pointer-events: none; animation: lrt-anneau 3s ease-out infinite; }
@keyframes lrt-anneau { 0% { box-shadow: 0 0 0 0 rgba(var(--lrt-accent-rgb), .55); } 60%, 100% { box-shadow: 0 0 0 12px rgba(var(--lrt-accent-rgb), 0); } }
.lrt-lanceur-point { position: absolute; top: 2px; right: 2px; width: 11px; height: 11px; border-radius: 50%; background: #ff2e43; border: 2px solid #fff; }
.lrt-lanceur-point[hidden] { display: none; }
html.lrt-en-cours .lrt-lanceur { z-index: 9999; }
/* Pages à barre de navigation basse (mobile) : au-dessus de la barre. */
@media (max-width: 860px) {
  html.lrt-nav-basse .lrt-lanceur { bottom: calc(76px + env(safe-area-inset-bottom)); }
  .lrt-lanceur { left: 14px; bottom: 16px; height: 42px; min-width: 42px; padding: 0 11px; }
}
body:has(#bouton-retour-desktop) .lrt-lanceur { bottom: 72px; } /* appli Windows : bouton retour déjà dans ce coin */
/* Appli React (messagerie, serveurs) : petit onglet sur le bord droit, loin de la liste et du champ de saisie. */
html.lrt-appli .lrt-lanceur { left: auto; right: 0; bottom: auto; top: 50%; height: 44px; min-width: 0; padding: 0 10px 0 12px; border-radius: 14px 0 0 14px; transform: translateY(-50%); opacity: .85; }
html.lrt-appli .lrt-lanceur:hover, html.lrt-appli .lrt-lanceur:focus-visible { opacity: 1; transform: translateY(-50%) translateX(-2px); }
html.lrt-appli .lrt-lanceur-anneau { display: none; }
@media (max-width: 860px) { html.lrt-appli .lrt-lanceur { top: auto; bottom: 150px; transform: none; height: 38px; padding: 0 8px 0 10px; } html.lrt-appli .lrt-lanceur:hover { transform: none; } }

/* ---------------------------------------------------------- Invitation */
.lrt-invitation {
  position: fixed; z-index: 1950; left: 20px; bottom: 80px; width: min(340px, calc(100vw - 28px)); padding: 16px 16px 12px; border-radius: 20px;
  color: var(--lrt-texte); background: var(--lrt-verre); -webkit-backdrop-filter: blur(18px) saturate(1.4); backdrop-filter: blur(18px) saturate(1.4);
  box-shadow: var(--lrt-ombre); isolation: isolate; opacity: 0; transform: translateY(14px) scale(.98); transition: opacity .3s, transform .35s cubic-bezier(.2, .8, .2, 1);
}
.lrt-invitation.lrt-visible { opacity: 1; transform: none; }
.lrt-invitation .lrt-x { position: absolute; top: 8px; right: 8px; }
.lrt-invitation .lrt-surtitre { display: flex; margin-bottom: 6px; }
.lrt-invitation-titre { display: block; font-size: 17px; font-weight: 800; margin-bottom: 4px; padding-right: 28px; }
.lrt-invitation p { margin: 0 0 8px; font-size: 13.5px; color: var(--lrt-doux); }
.lrt-meta { display: inline-flex; align-items: center; gap: 5px; font-size: 12.5px; color: var(--lrt-doux); }
.lrt-invitation-actions { display: flex; gap: 8px; margin: 12px 0 6px; }
.lrt-invitation-actions .lrt-bouton { flex: 1; }
.lrt-lien { border: 0; background: none; padding: 4px 0; font-weight: 500; font-size: 12.5px; line-height: 1.3; font-family: inherit; color: var(--lrt-doux); cursor: pointer; text-decoration: underline; text-underline-offset: 3px; }
.lrt-lien:hover { color: var(--lrt-texte); }
html.lrt-appli .lrt-invitation { left: auto; right: 16px; bottom: 96px; }
@media (max-width: 860px) {
  .lrt-invitation { left: 14px; right: 14px; width: auto; bottom: 70px; }
  html.lrt-nav-basse .lrt-invitation { bottom: calc(128px + env(safe-area-inset-bottom)); }
  html.lrt-appli .lrt-invitation { left: 14px; right: 14px; bottom: 90px; }
}

/* ---------------------------------------------------------- Centre d'aide */
.lrt-centre-racine { position: fixed; inset: 0; z-index: 10001; }
.lrt-centre-fond { position: absolute; inset: 0; background: var(--lrt-voile); opacity: 0; transition: opacity .25s; -webkit-backdrop-filter: blur(3px); backdrop-filter: blur(3px); }
.lrt-centre {
  position: absolute; top: 12px; right: 12px; bottom: 12px; width: min(440px, calc(100vw - 24px)); display: flex; flex-direction: column; overflow: hidden;
  border-radius: 24px; color: var(--lrt-texte); background: var(--lrt-verre); -webkit-backdrop-filter: blur(22px) saturate(1.4); backdrop-filter: blur(22px) saturate(1.4);
  box-shadow: var(--lrt-ombre); isolation: isolate; transform: translateX(24px); opacity: 0; transition: transform .35s cubic-bezier(.2, .8, .2, 1), opacity .25s;
}
.lrt-centre-racine.lrt-visible .lrt-centre { transform: none; opacity: 1; }
.lrt-centre-racine.lrt-visible .lrt-centre-fond { opacity: 1; }
.lrt-centre-tete { display: flex; align-items: center; gap: 12px; padding: 18px 16px 12px 18px; }
.lrt-centre-tete > div { flex: 1; min-width: 0; }
.lrt-centre-tete h2 { margin: 0; font-size: 19px; font-weight: 800; letter-spacing: -.01em; color: var(--lrt-texte); }
.lrt-centre-tete p { margin: 2px 0 0; font-size: 13px; color: var(--lrt-doux); }
.lrt-centre-logo { display: flex; align-items: center; justify-content: center; width: 44px; height: 44px; border-radius: 14px; color: #fff; background: var(--lrt-degrade); box-shadow: 0 10px 24px -8px rgba(var(--lrt-accent-rgb), .95); flex: none; }
.lrt-progression { display: flex; align-items: center; gap: 14px; margin: 0 18px 12px; padding: 12px 14px; border-radius: 16px; background: var(--lrt-champ); border: 1px solid var(--lrt-trait); }
.lrt-progression svg { flex: none; transform: rotate(-90deg); }
.lrt-anneau-fond { fill: none; stroke: var(--lrt-trait); stroke-width: 5; }
.lrt-anneau { fill: none; stroke: var(--lrt-accent); stroke-width: 5; stroke-linecap: round; transition: stroke-dashoffset .8s cubic-bezier(.2, .8, .2, 1); }
.lrt-progression strong { display: block; font-size: 14.5px; }
.lrt-progression span { font-size: 12.5px; color: var(--lrt-doux); }
.lrt-recherche { display: flex; align-items: center; gap: 10px; margin: 0 18px 8px; padding: 0 14px; height: 46px; border-radius: 14px; background: var(--lrt-champ); border: 1px solid var(--lrt-trait); color: var(--lrt-doux); transition: border-color .2s, box-shadow .2s; }
.lrt-recherche:focus-within { border-color: rgba(var(--lrt-accent-rgb), .7); box-shadow: 0 0 0 4px rgba(var(--lrt-accent-rgb), .15); }
.lrt-recherche input { flex: 1; min-width: 0; height: 100%; border: 0; outline: none; background: transparent; color: var(--lrt-texte); font-weight: 500; font-size: 14.5px; line-height: 1; font-family: inherit; }
.lrt-recherche input::placeholder { color: var(--lrt-doux); }
.lrt-sections, .lrt-resultats { flex: 1; overflow-y: auto; padding: 4px 18px 12px; overscroll-behavior: contain; }
.lrt-resultats[hidden], .lrt-sections[hidden] { display: none; }
.lrt-centre h3 { margin: 14px 0 8px; font-size: 12px; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; color: var(--lrt-doux); }
.lrt-liste { display: flex; flex-direction: column; gap: 8px; }
.lrt-parcours {
  display: flex; align-items: center; gap: 12px; width: 100%; padding: 11px 12px; border-radius: 14px; cursor: pointer; text-align: left; font: inherit;
  color: var(--lrt-texte); background: var(--lrt-champ); border: 1px solid var(--lrt-trait); transition: background .2s, border-color .2s, transform .15s;
}
.lrt-parcours:hover { background: rgba(var(--lrt-accent-rgb), .1); border-color: rgba(var(--lrt-accent-rgb), .45); transform: translateY(-1px); }
.lrt-parcours-textes { flex: 1; min-width: 0; display: flex; flex-direction: column; gap: 2px; }
.lrt-parcours-textes strong { font-size: 14.5px; }
.lrt-parcours-textes small { font-size: 12.5px; color: var(--lrt-doux); display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.lrt-parcours-droite { display: flex; flex-direction: column; align-items: flex-end; gap: 5px; flex: none; }
.lrt-parcours-action { display: inline-flex; align-items: center; gap: 4px; font-size: 12.5px; font-weight: 700; color: var(--lrt-accent); }
.lrt-badge { display: inline-flex; align-items: center; gap: 3px; padding: 2px 7px; border-radius: 999px; font-size: 11px; font-weight: 700; background: var(--lrt-champ); color: var(--lrt-doux); border: 1px solid var(--lrt-trait); }
.lrt-badge-ok { color: #16a34a; background: rgba(34, 197, 94, .12); border-color: rgba(34, 197, 94, .35); }
.lrt-badge-cours { color: #d97706; background: rgba(245, 158, 11, .12); border-color: rgba(245, 158, 11, .35); }
.lrt-vide { margin: 14px 0; font-size: 13.5px; color: var(--lrt-doux); }
.lrt-vide a { color: var(--lrt-accent); }
.lrt-centre-pied { padding: 14px 18px 16px; border-top: 1px solid var(--lrt-trait); display: flex; flex-direction: column; gap: 10px; }
.lrt-interrupteur { display: flex; align-items: center; gap: 10px; font-size: 13px; color: var(--lrt-doux); cursor: pointer; }
.lrt-interrupteur input { position: absolute; opacity: 0; width: 1px; height: 1px; }
.lrt-interrupteur span { position: relative; flex: none; width: 34px; height: 20px; border-radius: 10px; background: var(--lrt-trait); transition: background .2s; }
.lrt-interrupteur span::after { content: ''; position: absolute; top: 3px; left: 3px; width: 14px; height: 14px; border-radius: 50%; background: #fff; box-shadow: 0 1px 3px rgba(0, 0, 0, .3); transition: transform .2s; }
.lrt-interrupteur input:checked + span { background: var(--lrt-accent); }
.lrt-interrupteur input:checked + span::after { transform: translateX(14px); }
.lrt-interrupteur input:focus-visible + span { outline: 2px solid var(--lrt-accent); outline-offset: 2px; }
.lrt-astuce { margin: 0; font-size: 12px; color: var(--lrt-doux); }
@media (max-width: 640px) {
  .lrt-centre { top: auto; left: 0; right: 0; bottom: 0; width: 100%; max-height: 88vh; border-radius: 24px 24px 0 0; transform: translateY(30px); }
  .lrt-carte { width: calc(100vw - 20px); border-radius: 18px; }
  .lrt-titre { font-size: 17px; }
}

@media (prefers-reduced-motion: reduce) {
  .lrt-racine, .lrt-projecteur, .lrt-carte, .lrt-invitation, .lrt-centre, .lrt-centre-fond, .lrt-barre span, .lrt-lanceur, .lrt-anneau { transition: none !important; }
  .lrt-projecteur::after, .lrt-lanceur-anneau, .lrt-consigne .lrt-ico, .lrt-pulse, .lrt-repere, .lrt-fin-medaille, .lrt-confettis, .lrt-secousse, .lrt-passerelle { animation: none !important; }
  .lrt-confettis { display: none; }
}
@media print { .lrt-racine, .lrt-lanceur, .lrt-invitation, .lrt-centre-racine, .lrt-passerelle { display: none !important; } }

/* ---------------------------------------------------------- Page /tutoriels (views/tutoriels.ejs) */
.tuto-hero {
  position: relative; display: grid; grid-template-columns: 1fr auto; gap: 28px; align-items: center; margin: 8px 0 34px; padding: 38px 38px 34px;
  border-radius: 28px; overflow: hidden; isolation: isolate; color: #f4f1fc;
  background: radial-gradient(120% 140% at 0% 0%, #2a1b5e 0%, #140f2b 45%, #0b0a1a 100%);
  box-shadow: 0 30px 70px -30px rgba(76, 29, 149, .7), inset 0 0 0 1px rgba(255, 255, 255, .06);
}
.tuto-hero-halo { position: absolute; inset: 0; z-index: -1; pointer-events: none; }
.tuto-hero-halo::before { content: ''; position: absolute; width: 520px; height: 520px; right: -140px; top: -220px; border-radius: 50%; background: radial-gradient(circle, rgba(139, 92, 246, .55), transparent 65%); }
.tuto-hero-halo::after { content: ''; position: absolute; width: 420px; height: 420px; left: 30%; bottom: -300px; border-radius: 50%; background: radial-gradient(circle, rgba(47, 123, 255, .35), transparent 65%); }
.tuto-surtitre { margin: 0 0 10px; font-size: 13px; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; color: #c4b5fd; }
.tuto-titre { margin: 0 0 12px; font-size: clamp(28px, 4vw, 44px); line-height: 1.08; letter-spacing: -.02em; color: #fff; }
.tuto-titre span { background: linear-gradient(90deg, #c4b5fd, #7dd3fc 60%, #fda4af); -webkit-background-clip: text; background-clip: text; color: transparent; }
.tuto-accroche { margin: 0 0 22px; max-width: 620px; font-size: 16px; color: #cbc3e6; }
.tuto-hero-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 26px; }
.tuto-bouton { display: inline-flex; align-items: center; gap: 8px; min-height: 46px; padding: 0 20px; border-radius: 14px; font-weight: 700; font-size: 15px; line-height: 1; font-family: inherit; cursor: pointer; border: 0; transition: transform .15s, box-shadow .2s, background .2s; }
.tuto-bouton-principal { color: #fff; background: linear-gradient(135deg, #8b5cf6, #6366f1 45%, #2f7bff); box-shadow: 0 12px 30px -10px rgba(139, 92, 246, .95), inset 0 1px 0 rgba(255, 255, 255, .25); }
.tuto-bouton-principal:hover { transform: translateY(-2px); }
.tuto-bouton-verre { color: #fff; background: rgba(255, 255, 255, .08); border: 1px solid rgba(255, 255, 255, .16); -webkit-backdrop-filter: blur(8px); backdrop-filter: blur(8px); }
.tuto-bouton-verre:hover { background: rgba(255, 255, 255, .14); }
.tuto-chiffres { display: flex; flex-wrap: wrap; gap: 28px; margin: 0; padding: 0; list-style: none; }
.tuto-chiffres strong { display: block; font-size: 26px; font-weight: 900; color: #fff; font-variant-numeric: tabular-nums; }
.tuto-chiffres span { font-size: 13px; color: #a79fc4; }
.tuto-progression-carte {
  position: relative; width: 230px; padding: 22px 20px 18px; border-radius: 22px; text-align: center;
  background: rgba(255, 255, 255, .06); border: 1px solid rgba(255, 255, 255, .12); -webkit-backdrop-filter: blur(14px); backdrop-filter: blur(14px);
}
.tuto-progression-carte svg { display: block; margin: 0 auto; transform: rotate(-90deg); }
.tuto-anneau-fond { fill: none; stroke: rgba(255, 255, 255, .1); stroke-width: 10; }
.tuto-anneau { fill: none; stroke: #a78bfa; stroke-width: 10; stroke-linecap: round; filter: drop-shadow(0 0 8px rgba(167, 139, 250, .8)); transition: stroke-dashoffset 1s cubic-bezier(.2, .8, .2, 1); }
.tuto-progression-centre { position: absolute; top: 22px; left: 0; right: 0; height: 120px; display: flex; align-items: center; justify-content: center; gap: 4px; }
.tuto-progression-centre strong { font-size: 34px; font-weight: 900; color: #fff; }
.tuto-progression-centre > span { font-size: 16px; color: #a79fc4; margin-top: 10px; }
.tuto-progression-carte > p { margin: 10px 0 0; font-size: 14px; color: #cbc3e6; }
.tuto-progression-carte .tuto-note { font-size: 12.5px; color: #a79fc4; }
.tuto-progression-carte .tuto-note a { color: #c4b5fd; }
.tuto-lien { margin-top: 8px; border: 0; background: none; font-weight: 600; font-size: 13px; line-height: 1.3; font-family: inherit; color: #a79fc4; cursor: pointer; text-decoration: underline; text-underline-offset: 3px; }
.tuto-lien:hover { color: #fff; }

.tuto-categorie { margin: 0 0 34px; }
.tuto-categorie-entete { display: flex; align-items: center; gap: 14px; margin-bottom: 14px; }
.tuto-categorie-entete .titre-section { margin: 0; }
.tuto-categorie-entete p { margin: 2px 0 0; font-size: 14px; color: var(--texte-doux, #9c93b8); }
.tuto-categorie-icone { display: flex; align-items: center; justify-content: center; width: 42px; height: 42px; border-radius: 13px; flex: none; color: #fff; background: linear-gradient(135deg, #8b5cf6, #2f7bff); box-shadow: 0 10px 24px -10px rgba(139, 92, 246, .9); }
.tuto-grille { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 14px; }
.tuto-carte {
  position: relative; display: flex; flex-direction: column; gap: 8px; padding: 16px 16px 14px; border-radius: 18px; text-decoration: none; color: var(--texte, #f0edf9);
  background: var(--surface, #16121f); border: 1px solid var(--bordure, #2b2440); transition: transform .2s, border-color .2s, box-shadow .25s;
}
.tuto-carte:hover, .tuto-carte:focus-visible { transform: translateY(-3px); border-color: rgba(var(--violet-rgb, 167, 139, 250), .6); box-shadow: 0 18px 40px -20px rgba(var(--violet-rgb, 167, 139, 250), .7); outline: none; }
.tuto-carte-tete { display: flex; align-items: flex-start; justify-content: space-between; gap: 10px; }
.tuto-carte-tete strong { font-size: 16px; line-height: 1.3; }
.tuto-carte-resume { font-size: 13.5px; color: var(--texte-doux, #9c93b8); flex: 1; }
.tuto-carte-pied { display: flex; align-items: center; justify-content: space-between; gap: 8px; font-size: 12.5px; color: var(--texte-doux, #9c93b8); }
.tuto-carte-action { font-weight: 800; color: var(--violet, #a78bfa); }
.tuto-statut { flex: none; padding: 3px 8px; border-radius: 999px; font-size: 11.5px; font-weight: 800; color: var(--violet, #a78bfa); background: rgba(var(--violet-rgb, 167, 139, 250), .12); }
.tuto-statut[data-statut="termine"] { color: #16a34a; background: rgba(34, 197, 94, .13); }
.tuto-statut[data-statut="en_cours"] { color: #d97706; background: rgba(245, 158, 11, .13); }
.tuto-statut[data-statut="membres"] { color: var(--texte-doux, #9c93b8); background: rgba(127, 127, 127, .12); }
.tuto-carte-terminee { border-color: rgba(34, 197, 94, .35); }
@media (max-width: 760px) {
  .tuto-hero { grid-template-columns: 1fr; padding: 26px 20px 22px; border-radius: 22px; }
  .tuto-progression-carte { width: 100%; }
  .tuto-grille { grid-template-columns: 1fr; }
}
@media (prefers-reduced-motion: reduce) { .tuto-carte, .tuto-anneau, .tuto-bouton { transition: none; } }
.lrt-nowrap { white-space: nowrap; }