/* ===========================================
   game-world.css — Game viewport, parallax layers,
   grass tiles, character sprites, speech bubble,
   and all sprite/world keyframe animations.
   =========================================== */

/* --- Game Viewport --- */

.game-container {
  position: relative;
  width: 100vw;
  height: 100vh;
  overflow: hidden;
  background: #87ceeb url("../img/sky.png") center center no-repeat;
  background-size: 1700px auto;
  image-rendering: pixelated;
  animation: sky-bounce 0.8s ease-in-out infinite;
}

/* --- Parallax Layers --- */

.parallax-container {
  position: absolute;
  top: 60px;
  left: 0;
  width: 100%;
  height: calc(100% - 60px);
  overflow: hidden;
}

.parallax-layer {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  will-change: transform;
}

.parallax-layer .layer-content {
  position: absolute;
  top: 0;
  height: 100%;
  background-repeat: repeat-x;
  background-size: auto 100%;
  background-position: 0 0;
}

.background-layer {
  z-index: 1;
}

.background-layer .layer-content {
  position: absolute;
  left: 0;
  bottom: 256px;
  top: auto;
  height: 300px;
  background-image: url("../img/background1280p.png");
  background-size: auto 100%;
  background-repeat: repeat-x;
  background-position: left bottom;
  image-rendering: pixelated;
  transform: translateX(0);
  transition: transform 3s ease-out;
}

/* --- Grass Tiles --- */

.grass-container {
  z-index: 3;
  pointer-events: none;
  transform: translateX(0);
  transition: transform 3s ease-out;
  will-change: transform;
}

.grass-tile {
  position: absolute;
  width: 384px;
  height: 285px;
  bottom: 0;
  background-image: url("../img/grass.png");
  background-size: 100% auto;
  background-repeat: no-repeat;
  background-position: center top;
  image-rendering: pixelated;
}

/* --- Character --- */

.character {
  position: absolute;
  bottom: 180px;
  left: 50%;
  transform: translateX(-50%);
  width: 256px;
  height: 256px;
  z-index: 200;
  transition: transform 0.2s ease;
  pointer-events: none;
}

.character-click-target {
  position: absolute;
  bottom: 0px;
  left: 50%;
  transform: translateX(-50%);
  width: 65px;
  height: 145px;
  cursor: pointer;
  pointer-events: auto;
  /* Uncomment to debug: */
  /* background: rgba(255, 0, 0, 0.3); */
}

.character.walking .character-click-target,
.character.running .character-click-target {
  pointer-events: none;
  cursor: default;
}

/* Facing directions */
.character.face-left {
  transform: translateX(-50%) scaleX(-1);
}

.character.face-right {
  transform: translateX(-50%) scaleX(1);
}

.character.idle {
  animation: idle 0.5s ease-in-out infinite;
}

/* --- Character Sprite Sheet --- */

.character-sprite {
  width: 100%;
  height: 100%;
  background-image: url("../img/player/Walk.png");
  background-size: 1000% 100%;
  background-position: 0% 0%;
  background-repeat: no-repeat;
  image-rendering: pixelated;
  position: relative;
}

/* Idle: 2-frame sprite (standing + waving) */
.character.idle .character-sprite {
  background-image: url("../img/player/Idle.png");
  background-size: 200% 100%;
  animation: sprite-idle 6s step-end infinite;
}

/* Running sprite */
.character.running .character-sprite {
  background-image: url("../img/player/Run.png");
}

/* Walk / run sprite cycling at normal & fast speeds */
.character.walking.speed-normal .character-sprite {
  animation: sprite-walk 1.2s steps(9) infinite;
}
.character.walking.speed-fast .character-sprite {
  animation: sprite-walk 0.8s steps(9) infinite;
}
.character.running.speed-normal .character-sprite {
  animation: sprite-run 1.2s steps(9) infinite;
}
.character.running.speed-fast .character-sprite {
  animation: sprite-run 0.8s steps(9) infinite;
}

/* Walk movement at normal & fast speeds */
.character.walking.face-left.speed-normal {
  animation: walk-left 0.8s steps(9) infinite;
}
.character.walking.face-right.speed-normal {
  animation: walk-right 0.8s steps(9) infinite;
}
.character.walking.face-left.speed-fast {
  animation: walk-left 0.4s steps(9) infinite;
}
.character.walking.face-right.speed-fast {
  animation: walk-right 0.4s steps(9) infinite;
}

/* --- Speech Bubble --- */

.speech-bubble {
  position: absolute;
  bottom: 340px;
  left: 50%;
  transform: translateX(-50%);
  background: #fff;
  color: #000;
  padding: 12px 18px;
  border: 4px solid #000;
  border-radius: 0;
  box-shadow: 4px 4px 0 rgba(0, 0, 0, 0.3);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  white-space: nowrap;
  z-index: 201;
}

.speech-bubble.visible {
  opacity: 1;
  visibility: visible;
  animation: bubble-float 2s ease-in-out infinite;
}

/* Pixel-art triangle tail */
.speech-bubble::after {
  content: "";
  position: absolute;
  bottom: -12px;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 0;
  border-left: 10px solid transparent;
  border-right: 10px solid transparent;
  border-top: 12px solid #000;
}

.speech-bubble::before {
  content: "";
  position: absolute;
  bottom: -8px;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 0;
  border-left: 8px solid transparent;
  border-right: 8px solid transparent;
  border-top: 8px solid #fff;
  z-index: 1;
}

.bubble-text {
  font-family: "Press Start 2P", cursive;
  font-size: 10px;
  text-align: center;
}

/* --- Keyframe Animations --- */

@keyframes bubble-float {
  0%,
  100% {
    margin-top: 0;
  }
  50% {
    margin-top: -3px;
  }
}

@keyframes walk-right {
  0% {
    transform: translateX(-50%) scaleX(1);
  }
  100% {
    transform: translateX(-50%) scaleX(1);
  }
}

@keyframes walk-left {
  0% {
    transform: translateX(-50%) scaleX(-1);
  }
  100% {
    transform: translateX(-50%) scaleX(-1);
  }
}

@keyframes idle {
  0%,
  100% {
    transform: translateX(-50%) translateY(0);
  }
  50% {
    transform: translateX(-50%) translateY(-2px);
  }
}

@keyframes sky-bounce {
  0%,
  100% {
    background-position: center center;
  }
  50% {
    background-position: center calc(50% - 2px);
  }
}

@keyframes background-bounce {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-2px);
  }
}

/* Idle: alternates standing (frame 1) and waving (frame 2) */
@keyframes sprite-idle {
  0%,
  49.99% {
    background-position: 0% 0%;
  }
  50%,
  100% {
    background-position: 100% 0%;
  }
}

@keyframes sprite-walk {
  from {
    background-position: 0% 0%;
  }
  to {
    background-position: 100% 0%;
  }
}

@keyframes sprite-run {
  from {
    background-position: 0% 0%;
  }
  to {
    background-position: 100% 0%;
  }
}