*{box-sizing:border-box}
html,body{margin:0;width:100%;height:100%;font-family:"Trebuchet MS",Arial,sans-serif;background:#1a91e8}
body{display:grid;place-items:center;overflow:hidden}

.game{position:relative;width:min(100vw,calc(100vh * 1170/1344));aspect-ratio:1170/1344;overflow:hidden}
.bg{position:absolute;inset:0;width:100%;height:100%;object-fit:fill;user-select:none;pointer-events:none}

.icon-badge{position:absolute;z-index:6;border-radius:50%;border:0;cursor:pointer;display:grid;place-items:center;background:rgba(20,30,10,.32);color:#fff;text-shadow:0 1px 2px #000a}
.sound{left:2%;top:1.5%;width:6%;height:3.5%;font-size:clamp(14px,2vw,22px)}

.score-box{position:absolute;z-index:6;left:68%;top:1.3%;width:30%;text-align:center;font-weight:900;color:#5a3a12;font-size:clamp(12px,1.7vw,19px);background:#fff;border-radius:16px;padding:1% 2%;box-shadow:0 3px 0 rgba(0,0,0,.15)}
.score-box b{color:#d1470f}

/* Boutons de niveau, colonne de gauche, en permanence visibles */
.level-buttons{
  position:absolute;left:1%;top:37%;width:15%;height:44%;z-index:6;
  display:flex;flex-direction:column;justify-content:center;gap:6%;
}
.level-buttons button{
  width:100%;aspect-ratio:2.4;border-radius:16px;border:3px solid #6b4310;
  background:linear-gradient(#3d8fd8,#1c5f9e);color:#fff;font-weight:900;
  font-size:clamp(9px,1.4vw,14px);box-shadow:0 4px 0 #123f6b;cursor:pointer;
  line-height:1.15;
}
.level-buttons button.active{background:linear-gradient(#ffd85e,#e0a512);color:#5a3a12;box-shadow:0 4px 0 #a06e0d}

/* Message en haut du cadre */
.message{
  position:absolute;left:19%;top:37.5%;width:64%;text-align:center;
  font-weight:1000;font-size:clamp(13px,1.9vw,19px);color:#a4390f;text-shadow:0 1px 0 #fff;
  z-index:6;
}

/* Zone des cartes */
.cards-zone{position:absolute;left:19%;top:42%;width:64%;height:37%;z-index:4}

.card{
  position:absolute;perspective:600px;cursor:pointer;
  transition:left .55s cubic-bezier(.34,1.05,.64,1), top .55s cubic-bezier(.34,1.05,.64,1), opacity .3s, transform .2s;
}
.card:not(.flipped):not(.matched):hover{
  transform:translateY(-6%) scale(1.06);
}
@keyframes card-shake{
  10%,90%{transform:translateX(-2%)}
  20%,80%{transform:translateX(3%)}
  30%,50%,70%{transform:translateX(-5%)}
  40%,60%{transform:translateX(5%)}
}
.card.shake{animation:card-shake .5s}
.card-inner{
  position:relative;width:100%;height:100%;transform-style:preserve-3d;
  transition:transform .55s cubic-bezier(.5,.1,.2,1);
}
.card.flipped .card-inner{transform:rotateY(180deg)}
.card-face{
  position:absolute;inset:0;backface-visibility:hidden;border-radius:14%;
  overflow:hidden;box-shadow:0 3px 6px rgba(0,0,0,.35);
  transition:box-shadow .25s;
}
.card-face img{width:100%;height:100%;object-fit:cover;display:block}
.card-back{}
.card-front{transform:rotateY(180deg)}
.card.selecting .card-face{
  box-shadow:0 0 0 5px #ffd85e, 0 0 18px 6px rgba(255,216,94,.85);
}
.card.matched .card-inner{box-shadow:0 0 0 4px #ffd85e;border-radius:14%}
.card.matched{cursor:default}

/* Bouton "C'est parti" affiché pendant la phase de mémorisation */
.ready-btn{
  position:absolute;left:50%;top:80.5%;transform:translateX(-50%);
  z-index:7;display:none;
  border:0;border-radius:16px;background:linear-gradient(#8bd93f,#5cb82a);
  box-shadow:0 5px 0 #3e8515;padding:2% 6%;font-weight:1000;
  font-size:clamp(14px,2vw,18px);color:#fff;cursor:pointer;
}
.ready-btn.show{display:block}

.intro-screen{position:absolute;z-index:30;inset:0;background:rgba(10,20,10,.72);display:grid;place-items:center}
.intro-card{position:relative;width:min(480px,84%);padding:8% 7% 6%;text-align:center;background:#fff;border-radius:22px;box-shadow:0 12px 0 rgba(0,0,0,.15)}
.intro-close{position:absolute;top:14px;right:16px;border:0;background:none;font-size:22px;color:#222;cursor:pointer;line-height:1}
.intro-icon{font-size:44px;margin-bottom:6px}
.intro-card h2{margin:4px 0 18px;color:#5a3a12;font-size:clamp(22px,4vw,30px);letter-spacing:.03em}
.intro-card p{margin:0 0 22px;color:#5a3a12;font-size:clamp(15px,2.4vw,19px);line-height:1.4;font-weight:600}
.intro-ok{border:0;border-radius:16px;background:linear-gradient(#8bd93f,#5cb82a);box-shadow:0 5px 0 #3e8515;padding:14px 34px;font-weight:1000;font-size:clamp(15px,2.4vw,19px);color:#fff;cursor:pointer}

.end-screen{position:absolute;z-index:20;inset:0;background:rgba(30,50,10,.6);display:none;place-items:center}
.end-screen.show{display:grid}
.end-card{width:min(420px,80%);padding:28px;text-align:center;background:#fffaf0;border-radius:26px;border:5px solid #f5b400;box-shadow:0 10px 0 rgba(0,0,0,.15)}
.trophy{font-size:60px}
.end-card h2{font-size:clamp(20px,3.4vw,30px);margin:6px;color:#a4390f}
.end-card p{font-size:18px;font-weight:800;color:#5a3300}
.end-card button{display:block;width:100%;margin-top:10px;border:0;border-radius:16px;background:linear-gradient(#8bd93f,#5cb82a);box-shadow:0 5px 0 #3e8515;padding:12px 30px;font-weight:1000;font-size:16px;color:#fff;cursor:pointer}
/* ==============================
   PANNEAUX LATERAUX DU JEU
   ============================== */

.pancartes-jeu {
    position: fixed;
    top: 18px;
    left: 8px;
    z-index: 999999;

    width: 250px;

    display: flex;
    flex-direction: column;
    gap: 12px;

    /* évite que le conteneur invisible gêne le jeu */
    pointer-events: none;
}


/* Chaque pancarte est cliquable */

.pancarte-jeu {
    display: block;
    width: 100%;

    pointer-events: auto;

    text-decoration: none;

    transition:
        transform .15s ease,
        filter .15s ease;
}


/* Images des pancartes */

.pancarte-jeu img {
    display: block;

    width: 100%;
    height: auto;

    border: 0;

    filter: drop-shadow(
        0 6px 6px rgba(0, 0, 0, .28)
    );
}


/* Petit effet au passage de la souris */

.pancarte-jeu:hover {
    transform: translateY(-2px) scale(1.02);
    filter: brightness(1.06);
}


/* Effet lorsqu'on clique */

.pancarte-jeu:active {
    transform: translateY(2px) scale(.98);
}


/* Écrans plus petits */

@media (max-width: 1200px) {

    .pancartes-jeu {
        width: 200px;
    }
}


/* Tablettes / petits écrans */

@media (max-width: 850px) {

    .pancartes-jeu {
        top: 8px;
        left: 5px;

        width: 155px;

        gap: 7px;
    }
}