#game-container {
  width: 1300px;
  height: 700px;
  position: relative;
  overflow: hidden;
}

/* ==================== OVERLAY DE INICIO ==================== */
.start-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  pointer-events: none;
  z-index: 10000;
  background-color: rgba(88, 85, 85, 0.85);
}

.start-overlay.active {
  pointer-events: auto; 
}

.start-btn {
  padding: 15px 15px;
  font-size: 20px;
  font-weight: bold;
  color: #ffffff;
  background: #313131;
  border: 3px solid #fff;
  border-radius: 20px;
  cursor: pointer;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
  transition: all 0.3s ease;
  text-transform: uppercase;
  font-family: 'Nunito', sans-serif;
}

.start-btn:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.4);
  background: #444444;
}

.start-btn:active {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
}

.start-overlay.hidden {
  display: none;
}

/* ==================== ESTADÍSTICAS DEL JUEGO ==================== */
.game-stats {
  position: absolute;
  top: 20px;
  align-items: center;
  display: flex;
  flex-direction: row;
  gap: 30px;
  z-index: 9998;
  background: rgba(118, 226, 96);
  padding: 15px 30px;
  border: 2px solid rgba(255, 255, 255, 0.3);
}

.game-stats.hidden {
  display: none;
}

.stat-item {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.stat-label {
  font-family: 'Nunito', sans-serif;
  font-size: 12px;
  color: black;
  text-transform: uppercase;
}

.stat-value {
  font-family: 'Nunito', sans-serif;
  font-size: 24px;
  color: black;
  text-shadow: rgba(255, 255, 255);
}

/* Animación cuando se pierde una vida */
.vida-danio {
  animation: vidaPop 0.6s ease-out;
  color: red !important;
}

@keyframes vidaPop {
  0%   { transform: scale(1); }
  20%  { transform: scale(1.4); }
  50%  { transform: scale(0.9); }
  100% { transform: scale(1); }
}


/* ==================== OVERLAY DE GAME OVER ==================== */
.gameover-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
  background-color: rgba(88, 85, 85, 0.85);
  z-index: 10001;
  transition: opacity 0.3s ease-out;
}

.gameover-overlay.hidden {
  display: none;
}

.gameover-content {
  text-align: center;
  animation: slideDown 0.5s ease-out;
}

@keyframes slideDown {
  from {
    transform: translateY(-50px);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

.gameover-title {
  font-family: 'Nunito', sans-serif;
  font-size: 48px;
  color: #ff0000;
  text-shadow:rgba(255, 68, 68, 0.5);
  margin-bottom: 30px;
}

.game-results {
  padding: 20px 50px;
  margin-bottom: 30px;
  display: flex;
  gap: 40px;
}

.result-item {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.result-label {
  font-family: 'Nunito', sans-serif;
  font-size: 16px;
  color: #ffffff;
  text-transform: uppercase;
  margin-bottom: 10px;
}

.result-value {
  font-family: 'Nunito', sans-serif;
  font-size: 36px;
  color: #ffffff;
}

.restart-btn {
  padding: 15px 15px;
  font-size: 20px;
  font-weight: bold;
  color: #ffffff;
  background: #313131;
  border: 3px solid #fff;
  border-radius: 20px;
  cursor: pointer;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
  transition: all 0.3s ease;
  text-transform: uppercase;
  font-family: 'Nunito', sans-serif;
}

.restart-btn:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.4);
  background: #444444;
}

.restart-btn:active {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
}

/* ==================== Avatar (JUGADOR) ==================== */
#avatar {
  position: absolute;
  left: 100px;
  top: 300px;
  width: 75px;
  height: 50px;
  background-image: url('../img/bird.png');
  background-size: 225px 50px;
  background-repeat: no-repeat;
  animation: avatar-fly 0.6s steps(3) infinite;
  z-index: 9999;
  transition: top 0.1s ease-out, transform 0.2s ease-out;
  filter: drop-shadow(2px 2px 4px rgba(0,0,0,0.5));
}

@keyframes avatar-fly {
  0% { background-position: 0 0; }
  100% { background-position: -225px 0; }
}

/* Efecto Bernoulli: rotación cuando se eleva o cae */
.avatar-rising {
  transform: rotate(-15deg);
}

.avatar-falling {
  transform: rotate(10deg);
}

/* ==================== EXPLOSIÓN ==================== */
#explosion {
  position: absolute;
  left: 100px;
  top: 300px;
  width: 75px;
  height: 75px;
  z-index: 10000;
  display: none;
  pointer-events: none;
}

#explosion.active {
  display: block;
}

/* ==================== TUBOS ==================== */
#tubos-container {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 85;
  pointer-events: none;
}

.tubo {
  position: absolute;
  width: 60px;
  background-color: #444744;
  box-shadow: inset -5px 0 10px rgba(0,0,0,0.3);
}

.tubo-top {
  top: 0;
  border-bottom:30px solid #313131;
}

.tubo-bottom {
  bottom: 0;
  border-top: 30px solid #313131;
}

/* ==================== MANZANAS BONUS ==================== */
#manzanas-container {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 80;
  pointer-events: none;
}

.manzana {
  position: absolute;
  width: 40px;
  height: 40px;
  background-image: url('../img/manzana.png');
  background-size: contain;
  background-position: center;
  background-repeat: no-repeat;
  z-index: 100;
  pointer-events: none;
  /* Filtro para darle un tono diferente y distinguirlo */
  filter: hue-rotate(180deg) brightness(1.2);
}

.manzana.emerging {
  animation: manzana-emerge 2s ease-out forwards;
}

@keyframes manzana-emerge {
  0% {
    transform: translateY(40px);
    opacity: 0;
    z-index: 80;
  }
  50% {
    opacity: 1;
    z-index: 80;
  }
  51% {
    z-index: 90;
  }
  100% {
    transform: translateY(0);
    opacity: 1;
    z-index: 100;
  }
}

/* ==================== NOTIFICACIÓN DE PUNTOS ==================== */
.points-notification {
  position: absolute;
  display: none;
  font-family: 'Nunito', sans-serif;
  font-size: 28px;
  color: black;
  z-index: 10001;
  pointer-events: none;
  animation: points-pop 1s ease-out forwards;
}

.points-notification.show {
  display: block;
}

@keyframes points-pop {
  0% {
    transform: scale(0.5) translateY(0);
    opacity: 0;
  }
  20% {
    transform: scale(1.2) translateY(-10px);
    opacity: 1;
  }
  100% {
    transform: scale(1) translateY(-30px);
    opacity: 0;
  }
}

/* ==================== PARALLAX LAYERS ==================== */
.layer {
  position: absolute;
  left: 0;
  top: 0;
  width: 1300px;
  height: 700px;
  overflow: hidden;
  pointer-events: none;
}

/* El "strip" contiene las 2 copias */
.layer .strip {
  position: absolute;
  width: 2600px;   /* 2 × 1300px */
  height: 100%;
  display: flex;
  transform: translate3d(0,0,0);
  will-change: transform;
}

/* Cada copia */
.layer .strip .img {
  width: 1300px;
  height: 700px;
  background-repeat: no-repeat;
  background-size: 100% 100%;
  background-position: center;
}

/* Asignación de imágenes */
.layer-1 .img { background-image: url('../img/foto1.png'); }
.layer-2 .img { background-image: url('../img/foto2.png'); }
.layer-3 .img { background-image: url('../img/foto3.png'); }
.layer-4 .img { background-image: url('../img/foto4.png'); }
.layer-5 .img { background-image: url('../img/foto5.png'); }
.layer-6 .img { background-image: url('../img/foto6.png'); }

/* Parallax */
.layer-1 .strip { animation: slide 10s linear infinite; }
.layer-2 .strip { animation: slide 15s linear infinite; }
.layer-3 .strip { animation: slide 20s linear infinite; }
.layer-4 .strip { animation: slide 25s linear infinite; }
.layer-5 .strip { animation: slide 30s linear infinite; }
.layer-6 .strip { animation: slide 35s linear infinite; }

/* Animación que mueve exactamente una copia (1300px) */
@keyframes slide {
  from { transform: translate3d(0,0,0); }
  to   { transform: translate3d(-1300px,0,0); }
}


/* ==================== OVERLAY DE ESTADO TEMPORAL ==================== */
.estado-temporal {
    position: fixed;
    top: 0;
    left: 0;           
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 10001;
    animation: fadeIn 0.3s ease-in;
}


h1 {
  animation: vidaPop 0.6s ease-out;
  color: red !important;
}

@keyframes slideDown {
    from {
        transform: translateY(-80px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
        transform: scale(1);
    }
    50% {
        opacity: 0.7;
        transform: scale(1.05);
    }
}

/* ==================== DISPLAY DE VIDA EXTRA ==================== */
.vida-extra-display {
  position: absolute;
  top: 105px;
  align-items: center;
  font-family: 'Nunito', sans-serif;
  font-size: 24px;
  color: green;
  z-index: 9998;
  pointer-events: none;
  background: rgba(118, 226, 96, 0.7);
  padding: 15px 30px;
  border-radius: 10px;
  border: 2px solid #42a508;
  animation: pulse-vida-extra 1s infinite;
}

.vida-extra-display.hidden {
  display: none;
}

.vida-extra-display.active {
  display: block;
}

@keyframes pulse-vida-extra {
  0%, 100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.05);
  }
}