/* ========= Reset ========= */
*{
  margin:0;
  padding:0;
  box-sizing:border-box;
}

/* ========= Base ========= */
html,body{
  width:100%;
  min-height:100vh;
  font-family:'Michroma',sans-serif;
  overflow-x:hidden;
}

/* Mode sombre par défaut */
body{
  color:#f4f4ff;
  background:radial-gradient(circle at top,#0b0618 0,#050318 45%,#020010 100%);
}

/* Mode clair */
body.light-mode{
  color:#12071f;
  background:radial-gradient(circle at top,#ffffff 0,#f3e8ff 40%,#e9d5ff 100%);
}

.section{
  padding:4vh 6vw;
}

/* Empêcher le scroll pendant l’intro */
body.intro-active{
  overflow:hidden;
}

/* Quand une modal serait ouverte */
body.modal-open{
  overflow:hidden;
}

/* ========= Intro screen ========= */
#intro-screen{
  position:fixed;
  inset:0;
  background:radial-gradient(circle at top,#050013,#0b031a 45%,#000 100%);
  display:flex;
  align-items:center;
  justify-content:center;
  z-index:999;
  transition:opacity .8s ease,visibility .8s ease;
}
#intro-screen.hide{
  opacity:0;
  visibility:hidden;
}

.intro-inner{
  text-align:center;
  opacity:0;
  transform:scale(0.95) translateY(10px);
  animation:introPop 1.2s ease-out forwards;
}

@keyframes introPop{
  0%{
    opacity:0;
    transform:scale(0.95) translateY(10px);
  }
  60%{
    opacity:1;
    transform:scale(1.02) translateY(0);
  }
  100%{
    opacity:1;
    transform:scale(1) translateY(0);
  }
}

/* Animation mot par mot */
.intro-name{
  font-size:3.4vw;
  letter-spacing:.16em;
  text-transform:uppercase;
}
.intro-sub{
  margin-top:.8rem;
  font-size:.9rem;
  letter-spacing:.08em;
}

/* mots du titre */
.intro-name .intro-word{
  opacity:0;
  transform:translateY(18px) scale(0.96);
  filter:blur(6px);
  display:inline-block;
  margin-right:0.55rem;
  background:linear-gradient(135deg,#a855f7,#ec4899,#f97316);
  -webkit-background-clip:text;
  color:transparent;
  will-change:transform,opacity,filter;
}

.intro-name .intro-word:last-child{
  margin-right:0;
}

/* mots du sous-titre (espacés) */
.intro-sub .intro-word{
  opacity:0;
  transform:translateY(16px) scale(0.96);
  filter:blur(5px);
  display:inline-block;
  color:#f9f5ff;
  will-change:transform,opacity,filter;
  margin-right:0.35rem;
}

@keyframes introWordIn{
  0%{
    opacity:0;
    transform:translateY(18px) scale(0.96);
    filter:blur(6px);
  }
  60%{
    opacity:1;
    transform:translateY(-2px) scale(1.02);
    filter:blur(1.5px);
  }
  100%{
    opacity:1;
    transform:translateY(0) scale(1);
    filter:blur(0);
  }
}

/* ===== Carousel d’intro (plein écran, fin) ===== */
.intro-carousel{
  margin-top:2rem;

  /* plein écran horizontal centré par rapport au viewport */
  position:relative;
  left:50%;
  width:100vw;
  margin-left:-50vw;

  /* bandeau fin */
  padding:0.25rem 0;
  border-radius:0;

  background:radial-gradient(circle at top left,
    rgba(147,51,234,0.30),
    rgba(15,23,42,0.95));
  border-top:1px solid rgba(192,132,252,0.6);
  border-bottom:1px solid rgba(192,132,252,0.6);
  box-shadow:0 16px 32px rgba(6,4,20,0.85);
}

body.light-mode .intro-carousel{
  background:radial-gradient(circle at top left,
    rgba(233,213,255,0.85),
    rgba(248,250,252,0.98));
  border-top-color:rgba(196,181,253,0.9);
  border-bottom-color:rgba(196,181,253,0.9);
  box-shadow:0 14px 26px rgba(148,163,184,0.35);
}

.intro-carousel-track{
  position:relative;
  width:100%;
  height:270px;          /* finesse du bandeau */
  overflow:hidden;
}

@media(max-width:768px){
  .intro-carousel-track{
    height:120px;
  }
}

@media(max-width:480px){
  .intro-carousel-track{
    height:100px;
  }
}

/* Un seul slide visible à la fois */
.intro-slide{
  position:absolute;
  inset:0;
  opacity:0;
  transform:scale(1.03);
  transition:opacity .6s ease, transform .6s ease;
}

.intro-slide.active{
  opacity:1;
  transform:scale(1);
  z-index:1;
}

.intro-slide img{
  width:100%;
  height:100%;
  object-fit:cover;
  display:block;
}

/* petit effet hover */
.intro-carousel:hover .intro-slide.active{
  transform:scale(1.02);
}

/* ========= Canvas fond ========= */
#cosmic-bg{
  position:fixed;
  inset:0;
  z-index:-1;
}

/* ========= Header ========= */
.top-bar{
  position:relative;
  padding:1.2vh 6vw;
  display:flex;
  justify-content:space-between;
  align-items:center;
  background:rgba(10,4,25,0.92);
  border-bottom:1px solid rgba(192,132,252,0.55);
  backdrop-filter:blur(16px);
}

body.light-mode .top-bar{
  background:rgba(255,255,255,0.9);
  border-bottom:1px solid rgba(196,181,253,0.9);
}

.top-left{
  display:flex;
  align-items:center;
  gap:1rem;
}

.site-title h1{
  font-size:2.1vh;
  letter-spacing:.12em;
  text-transform:uppercase;
}
.site-title p{
  font-size:1.5vh;
  opacity:.8;
}

.top-right{
  display:flex;
  align-items:center;
  gap:1.6rem;
}

/* ========= Avatar radiant ========= */
.avatar-bubble{
  width:68px;
  height:68px;
  border-radius:50%;
  padding:3px;
  background:conic-gradient(#a855f7,#c4b5fd,#ec4899,#f97316,#a855f7);
  box-shadow:0 0 18px rgba(168,85,247,0.95);
  cursor:pointer;
  transition:transform .26s ease,box-shadow .26s ease;
}
.avatar-bubble img{
  width:100%;
  height:100%;
  border-radius:50%;
  object-fit:cover;
}
.avatar-bubble:hover{
  transform:scale(1.08);
}
.avatar-bubble.playing{
  animation:avatarPulse 1.4s ease-in-out infinite;
}
@keyframes avatarPulse{
  0%{transform:scale(1);box-shadow:0 0 14px rgba(216,180,254,0.9);}
  50%{transform:scale(1.17);box-shadow:0 0 32px rgba(244,114,182,1);}
  100%{transform:scale(1);box-shadow:0 0 14px rgba(216,180,254,0.9);}
}

/* ========= Nav / menu ========= */
.main-nav{
  display:flex;
  gap:1.2rem;
  align-items:center;
}
.main-nav a{
  font-size:.8rem;
  text-transform:uppercase;
  letter-spacing:.12em;
  text-decoration:none;
  color:#f4f4ff;
  position:relative;
  opacity:.85;
}
.main-nav a::after{
  content:"";
  position:absolute;
  left:0;
  bottom:-3px;
  width:0;
  height:2px;
  background:linear-gradient(90deg,#a855f7,#ec4899);
  transition:width .25s ease;
}
.main-nav a:hover{
  opacity:1;
}
.main-nav a:hover::after{
  width:100%;
}
.main-nav a.active{
  opacity:1;
}
.main-nav a.active::after{
  width:100%;
}

body.light-mode .main-nav a{
  color:#1e1034;
}

/* ===== Bouton MSN 26 dans le header ===== */
.nav-msn26{
  padding:0.45rem 0.8rem;
  border-radius:999px;
  background:linear-gradient(135deg,#facc15,#f97316,#ec4899);
  color:white;
  font-size:.78rem;
  letter-spacing:.12em;
  text-decoration:none;
  text-transform:uppercase;
  box-shadow:0 0 12px rgba(251,191,36,0.75);
  transition:transform .22s ease, box-shadow .22s ease, opacity .22s ease;
}
.nav-msn26:hover{
  transform:scale(1.07) translateY(-1px);
  box-shadow:0 0 22px rgba(251,191,36,1);
  opacity:1;
}
body.light-mode .nav-msn26{
  color:#1e1034;
}

/* ========= Toggle thème ========= */
.theme-toggle input{
  display:none;
}
.toggle-track{
  width:48px;
  height:26px;
  border-radius:999px;
  background:linear-gradient(135deg,#1f102e,#4c1d95);
  padding:3px;
  display:flex;
  align-items:center;
  cursor:pointer;
  box-shadow:0 0 14px rgba(168,85,247,0.7);
  transition:background .25s ease,box-shadow .25s ease;
}
.toggle-thumb{
  width:20px;
  height:20px;
  border-radius:50%;
  background:#f9fafb;
  box-shadow:0 2px 5px rgba(0,0,0,0.5);
  transform:translateX(0);
  transition:transform .25s ease;
}
#themeToggle:checked + .toggle-track{
  background:linear-gradient(135deg,#e9d5ff,#fed7e2);
  box-shadow:0 0 18px rgba(244,114,182,0.9);
}
#themeToggle:checked + .toggle-track .toggle-thumb{
  transform:translateX(22px);
}

/* ========= Intro texte ========= */
.intro-text p{
  max-width:800px;
  margin:0 auto;
  text-align:center;
  font-size:1rem;
  line-height:1.7;
  opacity:.95;
}

/* ========= Boutons radiant ========= */
.radiant{
  background:linear-gradient(135deg,#7e22ce,#a855f7,#ec4899);
  border:none;
  color:#ffffff;
  padding:9px 22px;
  border-radius:999px;
  cursor:pointer;
  font-size:.83rem;
  font-family:'Michroma',sans-serif;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  text-decoration:none;
  box-shadow:0 0 16px rgba(168,85,247,0.65);
  transition:
    transform .22s ease,
    box-shadow .25s ease,
    filter .25s ease,
    background .25s ease;
}
.radiant:hover{
  transform:scale(1.08) translateY(-1px);
  box-shadow:0 0 28px rgba(236,72,153,1);
  filter:brightness(1.08);
}
.radiant:focus-visible{
  outline:2px solid #f97316;
  outline-offset:2px;
}

/* Variante lien / bouton léger */
.ghost-link{
  background:rgba(15,6,32,0.96);
  border:1px solid rgba(216,180,254,0.9);
  box-shadow:none;
}
body.light-mode .ghost-link{
  background:rgba(255,255,255,0.96);
  color:#1f102e;
}

/* ========= Activité Drag & Drop ========= */
.dragdrop-section{
  padding-top:2vh;
  padding-bottom:5vh;
}

.activity-header{
  max-width:900px;
  margin:0 auto 2.2rem;
  text-align:center;
}
.activity-header h2{
  font-size:1.4rem;
  margin-bottom:.6rem;
}
.activity-header p{
  font-size:.9rem;
  line-height:1.6;
}
.pill{
  display:inline-flex;
  align-items:center;
  border-radius:999px;
  padding:.2rem .7rem;
  font-size:.7rem;
  margin-left:.3rem;
}
.pill-telluric{
  background:rgba(96,165,250,0.16);
  border:1px solid rgba(96,165,250,0.6);
}
.pill-gas{
  background:rgba(251,191,36,0.16);
  border:1px solid rgba(251,191,36,0.6);
}

/* Layout colonnes */
.dd-layout{
  display:grid;
  grid-template-columns:minmax(260px, 320px) minmax(0,1.7fr);
  gap:2.4rem;
  max-width:1180px;
  margin:0 auto;
}

/* Colonnes générales */
.dd-column{
  position:relative;
  border-radius:26px;
  padding:1.4rem 1.5rem 1.5rem;
  backdrop-filter:blur(22px);
  background:linear-gradient(145deg,rgba(21,10,43,0.97),rgba(17,9,38,0.98));
  border:1px solid rgba(192,132,252,0.55);
  box-shadow:0 26px 55px rgba(7,5,20,0.96);
}
body.light-mode .dd-column{
  background:linear-gradient(145deg,rgba(255,255,255,0.97),rgba(250,245,255,0.98));
  border-color:rgba(196,181,253,0.9);
  box-shadow:0 22px 45px rgba(148,163,184,0.5);
}

/* Colonne banque */
.dd-column-bank h3{
  font-size:1rem;
  margin-bottom:.4rem;
}
.dd-hint{
  font-size:.78rem;
  opacity:.8;
  margin-bottom:.7rem;
}

/* Dropzones */
.dd-dropzone{
  position:relative;
  overflow:hidden;
  min-height:120px;
  border-radius:18px;
  padding:.7rem;
  border:1px dashed rgba(216,180,254,0.7);
  background:radial-gradient(circle at top left,
    rgba(92,52,154,0.45),
    rgba(15,10,35,0.96));
  display:flex;
  flex-wrap:wrap;
  gap:.55rem;
  align-content:flex-start;
}

.dd-dropzone-large{
  min-height:170px;
  background:radial-gradient(circle at top left,
    rgba(92,52,154,0.5),
    rgba(12,10,30,0.98));
}

.dd-bank{
  background:radial-gradient(circle at top left,
    rgba(147,51,234,0.55),
    rgba(12,10,30,0.98));
}

/* État survol */
.dd-dropzone.dd-over{
  border-style:solid;
  border-color:rgba(244,114,182,1);
  box-shadow:0 0 22px rgba(244,114,182,0.9);
}

/* État survol valide (bonne zone) - jQuery UI */
.dd-dropzone.dd-over-valid{
  border-style:solid;
  border-color:rgba(34,197,94,1);
  box-shadow:0 0 22px rgba(34,197,94,0.9);
  background:radial-gradient(circle at top left,
    rgba(34,197,94,0.3),
    rgba(12,10,30,0.98));
}

/* État survol invalide (mauvaise zone) - jQuery UI */
.dd-dropzone.dd-over-invalid{
  border-style:solid;
  border-color:rgba(239,68,68,1);
  box-shadow:0 0 22px rgba(239,68,68,0.9);
  background:radial-gradient(circle at top left,
    rgba(239,68,68,0.3),
    rgba(12,10,30,0.98));
}

/* Onde d’impact sur drop */
.dd-dropzone.drop-impact::after{
  content:"";
  position:absolute;
  left:50%;
  top:50%;
  width:20px;
  height:20px;
  border-radius:999px;
  transform:translate(-50%,-50%) scale(0.2);
  background:radial-gradient(circle,#f9a8d4,#a855f7,transparent);
  opacity:0.8;
  pointer-events:none;
  animation:impactWave 0.55s ease-out forwards;
}

@keyframes impactWave{
  0%{
    opacity:0.8;
    transform:translate(-50%,-50%) scale(0.3);
  }
  100%{
    opacity:0;
    transform:translate(-50%,-50%) scale(2.4);
  }
}

/* Petits tokens (planètes) - Style sphérique réaliste */
.dd-token{
  font-size:.75rem;
  font-weight:bold;
  text-shadow:0 1px 2px rgba(0,0,0,0.8);
  padding:.6rem 1rem;
  min-width:70px;
  text-align:center;
  border-radius:50%;
  aspect-ratio:1;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  cursor:grab;
  user-select:none;
  white-space:nowrap;
  transition:transform .18s ease, box-shadow .18s ease;
  border:2px solid rgba(255,255,255,0.3);
  position:relative;
}

/* Reflet lumineux sur les planètes */
.dd-token::before{
  content:'';
  position:absolute;
  top:8%;
  left:15%;
  width:30%;
  height:20%;
  background:radial-gradient(ellipse, rgba(255,255,255,0.6) 0%, transparent 70%);
  border-radius:50%;
  pointer-events:none;
}

/* === COULEURS RÉALISTES DE CHAQUE PLANÈTE === */

/* Mercure - gris cratéré */
.dd-token[data-planet="mercure"]{
  background:radial-gradient(circle at 30% 30%, #a8a8a8, #6b6b6b 50%, #4a4a4a 100%);
  box-shadow:0 0 15px rgba(168,168,168,0.5), inset -3px -3px 8px rgba(0,0,0,0.4);
}

/* Vénus - jaune orangé nuageux */
.dd-token[data-planet="venus"]{
  background:radial-gradient(circle at 30% 30%, #f5deb3, #daa520 50%, #b8860b 100%);
  box-shadow:0 0 15px rgba(218,165,32,0.5), inset -3px -3px 8px rgba(0,0,0,0.3);
}

/* Terre - bleu et vert */
.dd-token[data-planet="terre"]{
  background:radial-gradient(circle at 30% 30%, #87ceeb, #4169e1 40%, #228b22 60%, #006400 100%);
  box-shadow:0 0 15px rgba(65,105,225,0.6), inset -3px -3px 8px rgba(0,0,0,0.3);
}

/* Mars - rouge rouille */
.dd-token[data-planet="mars"]{
  background:radial-gradient(circle at 30% 30%, #e07050, #cd5c5c 50%, #8b0000 100%);
  box-shadow:0 0 15px rgba(205,92,92,0.5), inset -3px -3px 8px rgba(0,0,0,0.4);
}

/* Jupiter - bandes oranges et beiges */
.dd-token[data-planet="jupiter"]{
  background:radial-gradient(circle at 30% 30%, #f5deb3, #deb887 30%, #d2691e 60%, #8b4513 100%);
  box-shadow:0 0 20px rgba(210,105,30,0.5), inset -4px -4px 10px rgba(0,0,0,0.3);
}

/* Saturne - jaune doré */
.dd-token[data-planet="saturne"]{
  background:radial-gradient(circle at 30% 30%, #fff8dc, #f0e68c 50%, #daa520 100%);
  box-shadow:0 0 20px rgba(240,230,140,0.5), inset -4px -4px 10px rgba(0,0,0,0.2);
}

/* Uranus - bleu cyan glacé */
.dd-token[data-planet="uranus"]{
  background:radial-gradient(circle at 30% 30%, #e0ffff, #afeeee 50%, #5f9ea0 100%);
  box-shadow:0 0 18px rgba(175,238,238,0.6), inset -3px -3px 8px rgba(0,0,0,0.2);
}

/* Neptune - bleu profond */
.dd-token[data-planet="neptune"]{
  background:radial-gradient(circle at 30% 30%, #6495ed, #4169e1 50%, #00008b 100%);
  box-shadow:0 0 18px rgba(65,105,225,0.6), inset -3px -3px 8px rgba(0,0,0,0.3);
}

.dd-token:active{
  cursor:grabbing;
}
.dd-token.dd-token-invalid{
  animation:shake .25s ease;
}
@keyframes shake{
  0%{transform:translateX(0);}
  25%{transform:translateX(-3px);}
  50%{transform:translateX(3px);}
  75%{transform:translateX(-2px);}
  100%{transform:translateX(0);}
}

/* Aura pendant le drag - trainée cosmique orange */
.dd-token.dragging{
  box-shadow:
    0 0 25px rgba(249,115,22,0.9),
    0 0 50px rgba(251,146,60,0.7),
    0 0 80px rgba(253,186,116,0.4);
  transform:scale(1.1);
  filter:brightness(1.2);
}

/* Particules cosmiques - Traînée orange */
.particle{
  position:fixed;
  width:8px;
  height:8px;
  border-radius:50%;
  pointer-events:none;
  background:radial-gradient(circle,#fff 0%,#facc15 20%,#f97316 60%,#ea580c 80%,transparent 100%);
  opacity:1;
  filter:blur(1px);
  animation:particleFade 0.8s forwards ease-out;
  z-index:999;
}

/* Particule grande pour effet de trainée */
.particle.large{
  width:12px;
  height:12px;
  filter:blur(2px);
  animation-duration:1s;
}

/* Particule avec trainée allongée */
.particle.trail{
  width:20px;
  height:6px;
  border-radius:10px;
  background:linear-gradient(90deg, #f97316 0%, #facc15 50%, transparent 100%);
  filter:blur(1px);
}

@keyframes particleFade{
  0%{opacity:1; transform:scale(1) translateY(0);}
  50%{opacity:0.8; transform:scale(0.8) translateY(10px);}
  100%{opacity:0; transform:scale(0.1) translateY(25px);}
}

/* Étoile filante au drop */
.shooting-star{
  position:fixed;
  width:80px;
  height:2px;
  border-radius:999px;
  background:linear-gradient(90deg,#fde047,#fbbf24,transparent);
  opacity:0.9;
  pointer-events:none;
  filter:blur(1px);
  animation:starShoot 0.6s ease-out forwards;
  z-index:998;
}

@keyframes starShoot{
  0%{
    opacity:1;
    transform:translate3d(0,0,0);
  }
  100%{
    opacity:0;
    transform:translate3d(140px,-60px,0);
  }
}

/* Colonne droite (groupes) */
.dd-columns-group{
  display:flex;
  flex-direction:column;
  gap:1.5rem;
}

.dd-column-header h3{
  font-size:1rem;
  margin-bottom:.25rem;
}
.dd-subtitle{
  font-size:.8rem;
  opacity:.8;
  margin-bottom:.6rem;
}

/* Actions + feedback */
.dd-actions{
  max-width:1180px;
  margin:2rem auto 1rem;
  display:flex;
  flex-wrap:wrap;
  gap:.8rem;
  align-items:center;
}
.dd-actions button{
  min-width:180px;
}
.dd-feedback{
  font-size:.85rem;
  opacity:.9;
}

/* Feedback états */
.dd-feedback.ok{
  color:#4ade80;
}
.dd-feedback.error{
  color:#fb7185;
}

/* Rappel théorique */
.dd-reminder{
  max-width:1180px;
  margin:1.5rem auto 0;
  border-radius:20px;
  padding:1rem 1.3rem;
  font-size:.8rem;
  backdrop-filter:blur(18px);
  background:linear-gradient(135deg,rgba(30,64,175,0.25),rgba(76,29,149,0.7));
  border:1px solid rgba(147,197,253,0.8);
}
.dd-reminder h3{
  font-size:.9rem;
  margin-bottom:.4rem;
}
.dd-reminder ul{
  list-style:disc;
  margin-left:1.2rem;
}

/* Tokens correct / incorrect (après vérification) */
.dd-token.correct{
  box-shadow:0 0 18px rgba(74,222,128,0.9);
}
.dd-token.incorrect{
  box-shadow:0 0 18px rgba(248,113,113,0.9);
}

/* ========= Footer ========= */
.site-footer{
  padding:1.2vh 6vw 1.6vh;
  text-align:center;
  border-top:1px solid rgba(192,132,252,0.7);
  background:radial-gradient(circle at top,#07041b,#050314);
  box-shadow:0 -10px 22px rgba(3,7,18,0.9);
}
body.light-mode .site-footer{
  background:radial-gradient(circle at top,#f3e8ff,#e9d5ff);
  border-top-color:rgba(196,181,253,0.9);
  box-shadow:0 -8px 18px rgba(148,163,184,0.5);
}
.site-footer h2{
  font-size:.95rem;
  margin-bottom:.25rem;
}
.footer-text{
  max-width:420px;
  margin:0 auto .4rem;
  font-size:.8rem;
  opacity:.85;
}
.footer-meta{
  font-size:.7rem;
  opacity:.6;
  margin-top:.4rem;
}

.footer-top{
  margin-bottom:.4rem;
}

/* ===== Lien PER inline, style moderne ===== */
.per-inline{
  font-size:.78rem;
  opacity:.9;
  margin-bottom:.3rem;
}

.per-link-inline{
  position:relative;
  text-decoration:none;
  font-weight:500;
  color:#e5e7ff;
}
body.light-mode .per-link-inline{
  color:#1f1034;
}

/* Soulignement gradient comme les liens du header */
.per-link-inline::after{
  content:"";
  position:absolute;
  left:0;
  bottom:-3px;
  width:0;
  height:2px;
  border-radius:999px;
  background:linear-gradient(90deg,#a855f7,#ec4899);
  transition:width .25s ease;
}
.per-link-inline:hover::after{
  width:100%;
}
.per-link-inline:hover{
  opacity:1;
}

/* ===== Crédit MALTT ===== */
.maltt-credit{
  margin-top:.3rem;
  display:flex;
  align-items:center;
  justify-content:center;
  gap:.6rem;
  font-size:.78rem;
  opacity:.9;
}

.maltt-logo-slot{
  width:32px;
  height:32px;
  border-radius:999px;
  border:1px dashed rgba(209,213,219,0.5);
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:.6rem;
  text-transform:uppercase;
  letter-spacing:.08em;
  opacity:.7;
  overflow:hidden;
}
.maltt-logo-slot img{
  width:100%;
  height:100%;
  object-fit:contain;
}
body.light-mode .maltt-logo-slot{
  border-color:rgba(148,163,184,0.7);
}

/* ========= Accessibilité : éléments invisibles ========= */
.visually-hidden{
  position:absolute;
  width:1px;
  height:1px;
  padding:0;
  margin:-1px;
  overflow:hidden;
  clip:rect(0,0,0,0);
  white-space:nowrap;
  border:0;
}

/* ===== Menu des missions MSN 26 (cartes, au cas où tu les réutilises plus tard) ===== */
.msn-menu{
  padding-top:3vh;
  padding-bottom:4vh;
}

.msn-grid{
  max-width:1180px;
  margin:1.5rem auto 0;
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(260px,1fr));
  gap:1.5rem;
}

.msn-card{
  border-radius:24px;
  padding:1.2rem 1.3rem 1.3rem;
  backdrop-filter:blur(20px);
  background:linear-gradient(145deg,rgba(20,10,45,0.96),rgba(17,12,40,0.98));
  border:1px solid rgba(192,132,252,0.6);
  box-shadow:0 20px 40px rgba(6,4,20,0.9);
  display:flex;
  flex-direction:column;
  gap:.6rem;
}
body.light-mode .msn-card{
  background:linear-gradient(145deg,rgba(255,255,255,0.97),rgba(250,245,255,0.98));
  border-color:rgba(196,181,253,0.9);
  box-shadow:0 18px 32px rgba(148,163,184,0.4);
}

.msn-card-header{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:.6rem;
}
.ii{
  width:40%;
  height:40%;
  object-fit:cover;}

.msn-point-pill{
  font-size:.7rem;
  padding:.25rem .6rem;
  border-radius:999px;
  background:rgba(67,56,202,0.3);
  border:1px solid rgba(196,181,253,0.8);
  text-transform:uppercase;
  letter-spacing:.12em;
}
body.light-mode .msn-point-pill{
  background:rgba(233,213,255,0.8);
}

.msn-card-header h3{
  font-size:.95rem;
}
.msn-card-text{
  font-size:.8rem;
  opacity:.9;
}
.msn-activities{
  margin-top:.2rem;
  display:flex;
  flex-wrap:wrap;
  gap:.4rem;
}
.msn-activity-link{
  font-size:.78rem;
  padding:.45rem 1rem;
}
.msn-tagline{
  font-size:.72rem;
  opacity:.8;
  margin-top:.3rem;
  border-top:1px dashed rgba(148,163,184,0.6);
  padding-top:.3rem;
}

/* ===== Ancien bouton flottant MSN 26 : caché ===== */
.missions-toggle{
  display:none !important;
}

/* ===== Panneau latéral des missions ===== */
.missions-panel{
  position:fixed;
  inset:0;
  z-index:70;
  background:rgba(3,7,18,0.7);
  backdrop-filter:blur(6px);
  display:flex;
  justify-content:flex-end;
  opacity:0;
  pointer-events:none;
  transition:opacity .25s ease;
}
.missions-panel.open{
  opacity:1;
  pointer-events:auto;
}

.missions-panel-inner{
  width:320px;
  max-width:90vw;
  height:100%;
  background:radial-gradient(circle at top,#0b0618,#050314);
  border-left:1px solid rgba(192,132,252,0.6);
  box-shadow:-20px 0 40px rgba(0,0,0,0.9);
  padding:1.2rem 1.3rem 1.4rem;
  position:relative;
  transform:translateX(100%);
  transition:transform .3s cubic-bezier(0.22,0.61,0.36,1);
}
body.light-mode .missions-panel-inner{
  background:radial-gradient(circle at top,#f3e8ff,#e9d5ff);
  border-left-color:rgba(196,181,253,0.9);
}
.missions-panel.open .missions-panel-inner{
  transform:translateX(0);
}

.missions-close{
  position:absolute;
  top:.6rem;
  right:.7rem;
  border:none;
  background:none;
  color:#e5e7ff;
  font-size:1.7rem;
  cursor:pointer;
}
body.light-mode .missions-close{
  color:#111827;
}

.missions-header{
  margin-top:.7rem;
  margin-bottom:1rem;
}
.missions-kicker{
  font-size:.7rem;
  text-transform:uppercase;
  letter-spacing:.18em;
  opacity:.7;
}
.missions-header h2{
  font-size:1rem;
  margin:.2rem 0 .3rem;
}
.missions-header p{
  font-size:.8rem;
  opacity:.9;
}

.missions-list{
  display:flex;
  flex-direction:column;
  gap:.35rem;
  margin-bottom:1rem;
}

.missions-link{
  display:block;
  text-decoration:none;
  border-radius:14px;
  padding:.55rem .7rem;
  background:rgba(15,23,42,0.85);
  border:1px solid rgba(148,163,184,0.6);
  font-size:.78rem;
  transition:background .2s ease, border-color .2s ease,
             transform .15s ease, box-shadow .2s ease;
}
body.light-mode .missions-link{
  background:rgba(255,255,255,0.9);
}

.missions-link:hover{
  background:radial-gradient(circle at top left,rgba(250,204,21,0.35),rgba(15,23,42,0.95));
  border-color:rgba(250,204,21,0.9);
  transform:translateY(-1px);
  box-shadow:0 4px 18px rgba(250,204,21,0.6);
}

.missions-link-point{
  font-size:.68rem;
  text-transform:uppercase;
  letter-spacing:.16em;
  opacity:.75;
}
.missions-link-main{
  display:block;
  font-size:.8rem;
  margin-top:.05rem;
}
.missions-link-desc{
  display:block;
  font-size:.72rem;
  opacity:.8;
}

.missions-link-disabled{
  opacity:.6;
  cursor:not-allowed;
}
.missions-link-disabled:hover{
  transform:none;
  box-shadow:none;
  background:rgba(15,23,42,0.85);
  border-color:rgba(148,163,184,0.6);
}

.missions-footer-note{
  font-size:.7rem;
  opacity:.75;
  border-top:1px dashed rgba(148,163,184,0.6);
  padding-top:.4rem;
}

/* Sur mobile : panneau pleine largeur */
@media(max-width:640px){
  .missions-panel-inner{
    width:100%;
  }
}

/* ========= Responsive ========= */
@media(max-width:980px){
  .dd-layout{
    grid-template-columns:1fr;
  }
}

@media(max-width:768px){
  .top-bar{
    flex-direction:column;
    align-items:flex-start;
    gap:.6rem;
  }
  .top-right{
    width:100%;
    justify-content:space-between;
  }
  .dd-column{
    padding:1.2rem 1.1rem 1.3rem;
  }
}

@media(max-width:480px){
  .intro-name{
    font-size:9vw;
  }
  .section{
    padding-inline:5vw;
  }
}

/* ========= Préférence réduction de mouvement ========= */
@media (prefers-reduced-motion: reduce){
  *{
    scroll-behavior:auto !important;
    animation:none !important;
    transition:none !important;
  }
  .intro-name .intro-word,
  .intro-sub .intro-word{
    opacity:1 !important;
    transform:none !important;
    filter:none !important;
  }
}

/* ========= Feedback pédagogique jQuery UI ========= */

/* Planète bien placée - animation pulse verte */
.dd-token.correct{
  animation:correctPulse 0.6s ease-out;
  box-shadow:0 0 20px rgba(34,197,94,0.8),
             0 0 40px rgba(34,197,94,0.4) !important;
}

@keyframes correctPulse{
  0%{transform:scale(1);}
  50%{transform:scale(1.15);}
  100%{transform:scale(1);}
}

/* Planète mal placée - animation shake orange */
.dd-token.incorrect{
  animation:incorrectShake 0.5s ease-out;
  box-shadow:0 0 20px rgba(251,191,36,0.8),
             0 0 40px rgba(251,191,36,0.4) !important;
}

@keyframes incorrectShake{
  0%, 100%{transform:translateX(0);}
  20%{transform:translateX(-8px);}
  40%{transform:translateX(8px);}
  60%{transform:translateX(-6px);}
  80%{transform:translateX(6px);}
}