:root{--blue:#1765a9;--green:#58b524;--ink:#17314b}
*{box-sizing:border-box}
body{margin:0;padding:14px 0 28px;font-family:Arial,Helvetica,sans-serif;color:var(--ink);background:linear-gradient(#fff7c9,#ffe89b)}
button{font:inherit}
.topbar{position:relative;display:flex;align-items:center;gap:14px;margin:0 14px 14px;min-height:92px;padding:12px 285px 12px 18px;background:#fff;border-radius:20px;box-shadow:0 7px 18px rgba(0,0,0,.14)}
.help{width:48px;height:48px;border:0;border-radius:50%;background:#ffd247;font-size:24px;cursor:pointer}
.headcopy h1{margin:0;color:var(--blue);font-size:clamp(1.7rem,4vw,2.5rem)}
.headcopy p{margin:4px 0 0;color:#667;font-size:18px}
.logo{position:absolute;right:12px;top:5px;height:calc(100% - 10px);max-width:265px;object-fit:contain}

.shell{width:min(1280px,96%);margin:auto}
.meta{display:flex;justify-content:space-between;background:#fff;padding:12px 16px;border-radius:15px;margin-bottom:12px;box-shadow:0 5px 13px rgba(0,0,0,.08)}
.layout{display:grid;grid-template-columns:190px minmax(0,1fr);gap:15px}
.levels,.game{background:#fff;border-radius:18px;padding:13px;box-shadow:0 6px 15px rgba(0,0,0,.08)}
.levels h2{text-align:center;color:var(--blue);margin:4px 0 12px}
.level{width:100%;border:0;border-radius:14px;background:#e8f3fb;color:var(--blue);margin:0 0 10px;padding:12px;font-weight:900;cursor:pointer}
.level b{display:block;font-size:26px}.level span{font-size:12px}.level.active{background:var(--blue);color:#fff}
.status{background:#edf5fb;padding:10px;border-radius:10px;text-align:center;font-weight:900;margin-bottom:10px}
.status.ok{background:#e3f7dc;color:#28751c}.status.bad{background:#ffe7e7;color:#b52c32}

.board{
  position:relative;
  width:100%;
  aspect-ratio:16/9;
  min-height:0;
  overflow:hidden;
  border-radius:15px;
  border:2px solid #4b7b2e;
  background:#173e1f;
}
.jungle{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;display:block}
.snake-svg{position:absolute;left:3%;right:3%;top:10%;width:94%;height:58%;overflow:visible;z-index:3}

/* choices below serpent */
.instruction-strip{
  position:absolute;z-index:4;left:26%;right:26%;top:64%;
  padding:10px;border-radius:10px;background:rgba(114,64,17,.88);color:white;
  text-align:center;font-weight:900
}
.choices{
  position:absolute;z-index:6;left:5%;right:5%;bottom:14%;
  display:grid;grid-template-columns:repeat(10,minmax(0,1fr));gap:8px
}
.choice{
  min-width:0;height:64px;border:3px solid #b47f25;border-radius:12px;
  background:#fff0bd;color:#153c19;font-weight:900;font-size:clamp(.8rem,1.8vw,1.55rem);
  box-shadow:0 3px 7px rgba(0,0,0,.22);cursor:grab;touch-action:none;user-select:none
}
.choice.dragging{opacity:.55;transform:scale(1.07)}
.choice.used{visibility:hidden}
.choice.returning{animation:shake .38s}
@keyframes shake{25%{transform:translateX(-8px)}50%{transform:translateX(8px)}75%{transform:translateX(-4px)}}

.replay{
  position:absolute;z-index:7;left:50%;bottom:3%;transform:translateX(-50%);
  min-width:220px;height:58px;border:3px solid #376c12;border-radius:18px;
  background:#58b524;color:#fff;font-weight:900;font-size:1.2rem;cursor:pointer
}

/* SVG slot states */
.svg-slot .slot-rect{fill:#fff0bd;stroke:#8b6425;stroke-width:5}
.svg-slot.missing .slot-rect{fill:#fffef4;stroke:#2580c7;stroke-dasharray:10 8}
.svg-slot.filled .slot-rect{fill:#e4f6d9;stroke:#4d8c2c}
.svg-slot.wrong .slot-rect{fill:#ffdada;stroke:#e34343}
.svg-slot.hover .slot-rect{stroke:#1687de;stroke-width:8}
.svg-slot text{font-family:Arial,sans-serif;font-weight:900;fill:#372609;font-size:31px;text-anchor:middle;dominant-baseline:middle}
.svg-slot.missing text{fill:#1765a9}

.modal{position:fixed;inset:0;z-index:50;display:none;align-items:center;justify-content:center;background:rgba(18,40,61,.60)}
.modal.show{display:flex}
.card{position:relative;width:min(450px,92vw);background:#fff;border-radius:20px;padding:25px;text-align:center}
.close{position:absolute;right:7px;top:3px;border:0;background:none;font-size:28px;cursor:pointer}
.bulb{font-size:40px}.primary{border:0;border-radius:12px;background:#55b928;color:#fff;padding:12px 22px;font-weight:900;cursor:pointer}
.endicon{font-size:75px}.endcard h2{color:var(--blue)}

@media(max-width:800px){
  .topbar{padding-right:160px;min-height:78px}.logo{max-width:150px}
  .layout{grid-template-columns:1fr}
  .levels{display:grid;grid-template-columns:repeat(4,1fr);gap:5px}
  .levels h2{display:none}.level{margin:0;padding:7px}.level b{font-size:19px}.level span{font-size:9px}
  .game{padding:7px}
  .choices{left:2%;right:2%;gap:3px}.choice{height:52px}
  .instruction-strip{left:13%;right:13%;top:63%;font-size:.9rem}
  .replay{height:48px;min-width:170px}
}

/* V2 — progression et ergonomie mobile */
.progress-dots{
  display:flex;
  justify-content:center;
  align-items:center;
  gap:8px;
  padding:12px 8px 2px;
}
.progress-dot{
  width:27px;
  height:27px;
  border-radius:50%;
  background:#b9b9b9;
  border:3px solid #efefef;
  box-shadow:0 1px 3px rgba(0,0,0,.16);
  display:grid;
  place-items:center;
  color:#fff;
  font-size:15px;
  font-weight:900;
}
.progress-dot.current{
  outline:4px solid rgba(23,101,169,.22);
}
.progress-dot.success{background:#53bf2a}
.progress-dot.failure{background:#ef4348}

@media(max-width:800px){
  .replay{
    min-width:0 !important;
    width:auto !important;
    height:38px !important;
    bottom:2% !important;
    padding:0 14px !important;
    border-width:2px !important;
    border-radius:12px !important;
    font-size:.86rem !important;
  }
  .progress-dots{
    gap:5px;
    padding-top:9px;
  }
  .progress-dot{
    width:20px;
    height:20px;
    border-width:2px;
    font-size:11px;
  }
}
@media(max-width:480px){
  .replay{
    height:34px !important;
    padding:0 10px !important;
    font-size:.78rem !important;
  }
  .progress-dot{
    width:18px;
    height:18px;
  }
}

audio{display:none !important}

/* V4 — progression du niveau 1 */
.max-number-box{
  margin-top:14px;
  padding:12px 10px;
  border-radius:13px;
  background:#fff5c9;
  border:2px solid #e1bf59;
  text-align:center;
}
.max-number-box label{
  display:block;
  color:#245b91;
  font-weight:900;
  font-size:13px;
  margin-bottom:7px;
}
.max-number-box select{
  width:100%;
  height:40px;
  border:2px solid #8fb7d5;
  border-radius:9px;
  background:#fff;
  color:#135fa7;
  font-size:18px;
  font-weight:900;
  text-align:center;
  cursor:pointer;
}
.max-number-box small{
  display:block;
  margin-top:5px;
  color:#6b7782;
  font-weight:700;
}
.max-number-box.disabled{opacity:.48}
.max-number-box.disabled select{pointer-events:none}
.level1-progress{
  margin:-3px 0 10px;
  text-align:center;
  font-size:13px;
  font-weight:900;
  color:#4c6e29;
}
@media(max-width:800px){
  .max-number-box{
    grid-column:1/-1;
    margin-top:5px;
    padding:7px;
    display:flex;
    align-items:center;
    gap:8px;
  }
  .max-number-box label{margin:0;font-size:11px;white-space:nowrap}
  .max-number-box select{height:32px;font-size:15px;flex:1}
  .max-number-box small{margin:0;font-size:9px}
}

/* V5 — maximum indépendant pour les 4 niveaux */
.max-settings{
  margin-top:14px;
  display:flex;
  flex-direction:column;
  gap:8px;
}
.max-row{
  padding:8px;
  border-radius:11px;
  background:#fff5c9;
  border:2px solid #e1bf59;
  transition:.2s;
}
.max-row.active-max{
  background:#eaf7ff;
  border-color:#6ba9d6;
  box-shadow:0 0 0 3px rgba(23,101,169,.08);
}
.max-row label{
  display:block;
  margin-bottom:5px;
  color:#245b91;
  font-weight:900;
  font-size:11px;
}
.max-row select{
  width:100%;
  height:34px;
  border:2px solid #8fb7d5;
  border-radius:8px;
  background:#fff;
  color:#135fa7;
  font-size:15px;
  font-weight:900;
  text-align:center;
  cursor:pointer;
}
.level-progress{
  margin:-3px 0 10px;
  text-align:center;
  font-size:13px;
  font-weight:900;
  color:#4c6e29;
}
.max-number-box,.level1-progress{display:none !important}

@media(max-width:800px){
  .max-settings{
    grid-column:1/-1;
    display:grid;
    grid-template-columns:repeat(2,1fr);
    gap:5px;
    margin-top:4px;
  }
  .max-row{padding:5px}
  .max-row label{font-size:9px;margin-bottom:3px}
  .max-row select{height:29px;font-size:13px}
}

/* V6 — réglage placé sous chaque niveau */
.max-settings,.max-row{display:none !important}

.level-group{
  margin-bottom:12px;
  padding-bottom:10px;
  border-bottom:1px solid #dfe8ef;
}
.level-group:last-child{border-bottom:0}

.level-group .level{
  margin-bottom:6px;
}
.level-max{
  padding:7px 8px;
  border-radius:10px;
  background:#fff5c9;
  border:1px solid #e1bf59;
}
.level-group.selected .level-max{
  background:#eaf7ff;
  border-color:#6ba9d6;
}
.level-max label{
  display:block;
  margin-bottom:4px;
  color:#536675;
  font-size:10px;
  font-weight:900;
}
.level-max select{
  width:100%;
  height:32px;
  border:2px solid #8fb7d5;
  border-radius:8px;
  background:#fff;
  color:#135fa7;
  font-size:14px;
  font-weight:900;
  text-align:center;
  cursor:pointer;
}

/* Empty work area until a level is selected */
.start-prompt{
  position:absolute;
  inset:0;
  z-index:30;
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:25px;
  text-align:center;
  background:rgba(255,255,255,.82);
  color:#1765a9;
}
.start-prompt .start-icon{font-size:48px}
.start-prompt strong{font-size:clamp(1.3rem,3vw,2rem)}
.start-prompt span{color:#5b6f7f;font-weight:700}
.board.not-started .snake-svg,
.board.not-started .instruction-strip,
.board.not-started .choices,
.board.not-started .replay{
  visibility:hidden !important;
}

@media(max-width:800px){
  .levels{
    display:grid !important;
    grid-template-columns:repeat(2,minmax(0,1fr)) !important;
    gap:7px !important;
  }
  .level-group{
    margin:0;
    padding:5px;
    border:1px solid #dfe8ef;
    border-radius:10px;
  }
  .level-group .level{margin-bottom:4px}
  .level-max{padding:4px}
  .level-max label{font-size:8px}
  .level-max select{height:27px;font-size:12px}
}

/* V7 — démarrage en deux étapes */
.start-prompt .start-icon{
  border:0;
  background:#ffd54d;
  width:72px;
  height:72px;
  border-radius:50%;
  display:grid;
  place-items:center;
  font-size:42px;
  cursor:pointer;
  box-shadow:0 5px 12px rgba(0,0,0,.18);
  animation:handPulse 1.5s ease-in-out infinite;
}
.start-prompt .start-icon:hover{transform:scale(1.05)}
@keyframes handPulse{
  0%,100%{transform:translateY(0)}
  50%{transform:translateY(-6px)}
}
.level-group.awaiting-max{
  outline:4px solid rgba(255,190,45,.35);
  background:#fffdf1;
}
.level-group.awaiting-max .level-max{
  background:#fff1ad;
  border-color:#e5ad21;
}
.level-group.awaiting-max .level-max label{
  color:#9a6500;
}

/* V8 — main réellement cliquable */
.start-prompt{
  pointer-events:auto !important;
}
.start-prompt .start-icon{
  pointer-events:auto !important;
  position:relative !important;
  z-index:1000 !important;
  cursor:pointer !important;
  border:0 !important;
}
.start-prompt .start-icon:active{
  transform:scale(.94) !important;
}

/* V9 — démarrage clair sans main */
.start-prompt .start-icon{display:none !important}

.start-game-btn{
  margin-top:12px;
  min-width:180px;
  height:52px;
  border:3px solid #34740f;
  border-radius:15px;
  background:#55b928;
  color:#fff;
  font-size:1.15rem;
  font-weight:900;
  cursor:pointer;
  box-shadow:0 4px 9px rgba(0,0,0,.18);
}
.start-game-btn:hover{transform:translateY(-1px)}
.start-game-btn:active{transform:translateY(1px)}
.start-game-btn[hidden]{display:none !important}

.level-max select:invalid{
  color:#758694;
}
.level-group.awaiting-max .level-max{
  box-shadow:0 0 0 4px rgba(255,190,45,.22);
}

@media(max-width:800px){
  .start-game-btn{
    min-width:150px;
    height:44px;
    font-size:1rem;
  }
}

/* V10 — bouton Démarrer indépendant et prioritaire */
.board-start-btn{
  position:absolute !important;
  z-index:100 !important;
  left:50% !important;
  bottom:10% !important;
  transform:translateX(-50%) !important;
  min-width:220px !important;
  height:58px !important;
  display:block;
  border:3px solid #2d6810 !important;
  border-radius:17px !important;
  background:#55b928 !important;
  color:white !important;
  font-size:1.2rem !important;
  font-weight:900 !important;
  cursor:pointer !important;
  pointer-events:auto !important;
  box-shadow:0 5px 12px rgba(0,0,0,.25) !important;
}
.board-start-btn[hidden]{display:none !important}

/* In not-started state, hide game controls EXCEPT the Start button when ready. */
.board.not-started .board-start-btn{
  visibility:visible !important;
  pointer-events:auto !important;
}
.start-prompt{
  z-index:30 !important;
}
@media(max-width:800px){
  .board-start-btn{
    min-width:150px !important;
    height:44px !important;
    bottom:7% !important;
    font-size:1rem !important;
  }
}

.start-prompt{pointer-events:none !important}
.start-prompt strong,.start-prompt span{pointer-events:none !important}

/* V11 — démarrage sans couche au-dessus du plateau */
.start-prompt,.board-start-btn{display:none !important}

.launch-panel{
  min-height:115px;
  margin-bottom:10px;
  padding:18px;
  border-radius:14px;
  background:#f4f9fd;
  border:2px solid #c6ddec;
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:7px;
  text-align:center;
}
.launch-panel strong{
  color:#1765a9;
  font-size:clamp(1.25rem,2.6vw,1.8rem);
}
.launch-panel span{
  color:#596f80;
  font-weight:700;
}
.launch-btn{
  margin-top:5px;
  min-width:200px;
  height:52px;
  border:3px solid #34740f;
  border-radius:15px;
  background:#55b928;
  color:#fff;
  font-size:1.15rem;
  font-weight:900;
  cursor:pointer;
  box-shadow:0 4px 9px rgba(0,0,0,.18);
}
.launch-btn[hidden],.board[hidden]{display:none !important}
.launch-btn:hover{transform:translateY(-1px)}
.launch-btn:active{transform:translateY(1px)}

@media(max-width:800px){
  .launch-panel{min-height:95px;padding:12px}
  .launch-btn{height:44px;min-width:160px;font-size:1rem}
}

/* V12 — haut-parleur + réglage général du son */
.sound-dock{
  margin-top:10px;
  display:flex;
  align-items:center;
  justify-content:flex-start;
  gap:10px;
  padding:8px 10px;
  border-radius:14px;
  background:#cef2f7;
  border:2px solid #addde5;
}
.sound-btn{
  width:48px;
  height:48px;
  flex:0 0 auto;
  border-radius:50%;
  border:2px solid #fff;
  background:#55c92d;
  color:#fff;
  font-size:23px;
  cursor:pointer;
  box-shadow:0 2px 5px rgba(0,0,0,.15);
}
.volume-slider{
  width:min(220px,35vw);
  accent-color:#45bf22;
}
.volume-value{
  min-width:44px;
  color:#135fa7;
  font-size:13px;
  font-weight:900;
}
@media(max-width:800px){
  .sound-dock{gap:7px;padding:6px 8px}
  .sound-btn{width:40px;height:40px;font-size:19px}
  .volume-slider{width:120px}
  .volume-value{font-size:11px;min-width:36px}
}

/* V13 — tête cartoon plus expressive */
.snake-svg{
  overflow:visible;
}
/* ==============================
   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;
    }
}