/* Reinitialise les marges et le box model du jeu. */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

/* Pose le decor desertique general du jeu. */
body {
  font-family: 'Changa', sans-serif;
  min-height: 100vh;
  color: #5b341a;
  position: relative;
  overflow-x: hidden;
  background:
    linear-gradient(rgba(255, 237, 194, 0.18), rgba(255, 237, 194, 0.18)),
    url('./assets/desert-bg.jpg') center/cover no-repeat fixed,
    linear-gradient(180deg, #f4d28b 0%, #e2b96a 55%, #c98d44 100%);
}

/* Ajoute un voile lumineux sur tout le fond. */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(circle at 20% 20%, rgba(255,255,255,0.20), transparent 25%),
    radial-gradient(circle at 80% 30%, rgba(255,255,255,0.12), transparent 20%),
    radial-gradient(circle at 60% 80%, rgba(255,255,255,0.10), transparent 20%);
  z-index: 0;
}

/* Centre l'ensemble du contenu du jeu. */
.jeu-container {
  max-width: 1120px;
  margin: 0 auto;
  padding: 2rem;
  position: relative;
  z-index: 1;
}

/* Aligne le titre du jeu et le bouton retour. */
.titre-zone {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 2rem;
  gap: 1rem;
}

/* Donne une forte presence au titre principal. */
.titre-principal {
  font-size: 3.8rem;
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.03em;
  text-shadow: 0 4px 20px rgba(0, 0, 0, 0.16);
}

/* Colorie chaque mot du titre. */
.titre-mot {
  display: block;
  color: #6a3d1f;
}

/* Eclaire le second mot du titre. */
.titre-mot.dunes {
  color: #ffefba;
  text-shadow: 2px 2px 10px rgba(0, 0, 0, 0.22);
}

/* Habille le bouton de retour. */
.bouton-retour {
  padding: 0.8rem 1.8rem;
  background: rgba(255, 244, 214, 0.92);
  color: #6a3d1f;
  border: 2px solid rgba(255,255,255,0.45);
  border-radius: 999px;
  font-weight: 700;
  font-size: 1rem;
  cursor: pointer;
  transition: all 0.25s ease;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.14);
  backdrop-filter: blur(8px);
}

/* Souleve legerement le bouton au survol. */
.bouton-retour:hover {
  transform: translateY(-3px);
  background: rgba(255, 244, 214, 1);
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.20);
}

/* Centre le canvas dans la page. */
.zone-canvas {
  display: flex;
  justify-content: center;
  margin-bottom: 2rem;
  position: relative;
}

/* Cadre la zone de jeu et preserve son ratio visuel. */
#canvas {
  width: 100%;
  max-width: 960px;
  height: auto;
  display: block;
  border-radius: 30px;
  border: 1px solid rgba(255,255,255,0.45);
  background:
    linear-gradient(180deg, rgba(255,245,220,0.25), rgba(240,200,120,0.12)),
    rgba(255,255,255,0.12);
  box-shadow:
    0 20px 60px rgba(0,0,0,0.18),
    inset 0 1px 2px rgba(255,255,255,0.55);
  touch-action: none;
}

/* Place le joystick tactile au-dessus du decor. */
.joystick {
  position: absolute;
  left: 18px;
  bottom: -30px;
  width: 120px;
  height: 120px;
  display: none;
  z-index: 10;
  user-select: none;
  touch-action: none;
}

/* Dessine la base du joystick. */
.joystick-base {
  width: 50%;
  height: 50%;
  border-radius: 50%;
  background: rgba(255,255,255,0.18);
  border: 2px solid rgba(255,255,255,0.30);
  backdrop-filter: blur(8px);
  position: relative;
}

/* Dessine le bouton mobile du joystick. */
.joystick-knob {
  width: 50%;
  height: 50%;
  border-radius: 50%;
  background: rgba(255, 238, 200, 0.92);
  border: 2px solid rgba(255,255,255,0.65);
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  box-shadow: 0 8px 16px rgba(0,0,0,0.18);
}

/* Organise les informations utiles sous le canvas. */
.info-panel {
  display: flex;
  justify-content: space-between;
  align-items: stretch;
  gap: 1rem;
  margin: 2rem auto;
  max-width: 960px;
  padding: 1.3rem;
  background: rgba(255, 250, 238, 0.18);
  backdrop-filter: blur(15px);
  border: 1px solid rgba(255,255,255,0.32);
  border-radius: 25px;
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.14);
}

/* Structure une carte d'information du gameplay. */
.info-item {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.7rem;
  padding: 1rem 0.5rem;
  background: rgba(255,255,255,0.24);
  border-radius: 20px;
  border: 1px solid rgba(255,255,255,0.38);
  transition: all 0.25s ease;
}

/* Souleve la carte d'information au survol. */
.info-item:hover {
  transform: translateY(-4px);
  background: rgba(255,255,255,0.36);
  box-shadow: 0 8px 20px rgba(0,0,0,0.12);
}

/* Donne une taille stable aux pictogrammes. */
.info-emoji {
  font-size: 2rem;
  line-height: 1;
}

/* Formate le texte principal des cartes d'information. */
.info-item span {
  font-size: 0.88rem;
  color: #5b341a;
  font-weight: 600;
  text-align: center;
  line-height: 1.35;
}

/* Met en avant la valeur utile de chaque carte. */
.info-item span strong {
  display: block;
  margin-top: 0.2rem;
  font-size: 1rem;
  color: #6d3f1f;
}

/* Affiche les commandes du jeu dans une capsule lisible. */
.controls {
  text-align: center;
  font-size: 0.95rem;
  color: #fff6e3;
  margin-top: 1.5rem;
  font-weight: 500;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.35);
  padding: 1rem;
  background: rgba(106, 61, 31, 0.36);
  backdrop-filter: blur(10px);
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,0.18);
  max-width: 760px;
  margin-left: auto;
  margin-right: auto;
}

/* Encadre les touches mises en avant dans la notice. */
.controls strong {
  color: #ffe6a8;
  font-weight: 700;
  padding: 4px 12px;
  background: rgba(255, 230, 168, 0.16);
  border-radius: 999px;
  border: 1px solid rgba(255,230,168,0.24);
}

/* Habille le pied de page du jeu. */
.footer-credits {
  text-align: center;
  padding: 1.5rem 1rem 2rem;
  background: rgba(106, 61, 31, 0.28);
  backdrop-filter: blur(10px);
  border-top: 1px solid rgba(255,255,255,0.20);
  margin-top: 2rem;
}

/* Formate le texte de credits. */
.footer-credits p {
  font-size: 0.9rem;
  color: #fff3d7;
}

/* Remplace le curseur par la flute du jeu. */
#canvas {
  cursor: url("./assets/flute.png") 16 16, auto;
}

/* Place le suricate decoratif a cote du canvas. */
.meerkat {
  position: absolute;
  right: -220px;
  bottom: 20px;
  width: 250px;
  pointer-events: none;
  user-select: none;
}

/* Adapte la mise en page sur les ecrans moyens. */
@media (max-width: 900px) {
  .titre-principal {
    font-size: 2.7rem;
  }

  .info-panel {
    flex-direction: column;
    gap: 0.7rem;
  }

  .info-item {
    flex-direction: row;
    justify-content: flex-start;
    padding: 1rem;
  }

  .joystick {
    display: block;
  }
}