html,
body {
  margin: 0;
  padding: 0;
  height: 100vh;
  width: 100vw;
  overflow-x: hidden;
}

body {
  display: flex;
  justify-content: center;
  align-items: center;
  background-color: #000;
  overflow-x: hidden;
  overflow-y: auto;
}

img {
  max-width: 100%;
  height: auto;
  image-rendering: auto;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  display: block;
  min-width: 0;
  min-height: 0;
  object-fit: contain;
  will-change: auto;
  transform: translateZ(0);
  -webkit-transform: translateZ(0);
}

.container {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  width: 100%;
  height: 100vh;
  min-height: 100vh;
}

.bg-image {
  width: 40%;
  min-width: 40%;
  height: auto;
  max-height: 100vh;
  object-fit: contain;
  object-position: center;
  display: block;
  image-rendering: auto;
  backface-visibility: hidden;
}

.scratch-text-container {
  position: absolute;
  top: 29%;
  left: 35%;
  transform: translate(-75%, -50%);
  z-index: 10;
  pointer-events: none;
  width: 50%;
  max-width: 50%;
}
.scratch-text {
  margin: 0;
  padding: 0;
  color: #14495e;
  font-size: 25px;
  font-weight: bold;
  font-family: Arial, sans-serif;
  white-space: nowrap;
  text-shadow:
    -1px -1px 0 #fff,
    1px -1px 0 #fff,
    -1px 1px 0 #fff,
    1px 1px 0 #fff,
    0 0 3px rgba(255, 255, 255, 0.8),
    0 2px 4px rgba(0, 0, 0, 0.3);
  text-align: right;
  letter-spacing: 1px;
}
.text-box {
  position: absolute;
  top: 20%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 10;
  pointer-events: none;
  width: 15%;
  max-width: 30%;
}
.text-box img {
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: contain;
  display: block;
  image-rendering: auto;
  backface-visibility: hidden;
}
.grid-wrapper {
  position: absolute;
  top: 55%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 25%;
  height: 45%;
  max-width: calc(40% - 40px);
  pointer-events: none;
}
/* Hide grid-wrapper when popup appears */
.grid-wrapper.hidden-by-popup {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition:
    opacity 0.25s ease,
    visibility 0.25s ease;
}

.grid-frame {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: fill;
  z-index: 1;
  pointer-events: none;
}
.dragon-layer-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
  opacity: 0;
  visibility: hidden;
  transition:
    opacity 0.3s ease,
    visibility 0.3s ease;
}

.dragon-layer-bg.show {
  opacity: 1;
  visibility: visible;
}

.dragon-layer-bg img {
  width: 100%;
  height: 100%;
  object-fit: fill;
  display: block;
}

.dragon-overlay {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 3;
  pointer-events: none;
  opacity: 0;
  visibility: hidden;
  transition:
    opacity 0.3s ease,
    visibility 0.3s ease;
}

.dragon-overlay.show {
  opacity: 1;
  visibility: visible;
}

.dragon-overlay img {
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: contain;
  display: block;
}

.grid-container {
  position: relative;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-template-rows: repeat(2, 1fr);
  gap: 8px;
  top: 10%;
  left: 6%;
  padding: 10px;
  box-sizing: border-box;
  pointer-events: auto;
  z-index: 2;
  background: none;
  min-height: fit-content;
}

.scratch-text-overlay {
  position: absolute;
  top: -60px;
  left: 50%;
  transform: translateX(-50%);
  width: auto;
  max-width: 60%;
  height: auto;
  z-index: 4;
  pointer-events: none;
  image-rendering: auto;
  backface-visibility: hidden;
}

.layer-container {
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  align-items: flex-end;
  justify-content: center;
  gap: 20px;
  width: 50%;
  max-width: 600px;
  pointer-events: none;
  z-index: 5;
}

.grid-item {
  position: relative;
  width: 70%;
  height: auto;
  aspect-ratio: 1;
  display: flex;
  justify-content: center;
  align-items: center;
  overflow: hidden;
  cursor: pointer;
  /* background-image: url('./image/while-box.png'); */
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}
.grid-item.revealed {
  cursor: pointer;
}

.grid-item img {
  width: 100%;
  min-width: 50%;
  height: 100%;
  min-height: 50%;
  object-fit: contain;
  display: block;
  transition: opacity 0.3s ease;
  image-rendering: auto;
  backface-visibility: hidden;
}

.scratch-canvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  touch-action: none;
  user-select: none;
  -webkit-user-select: none;
}

.pop-out-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: transparent;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  z-index: 999;
  opacity: 0;
  visibility: hidden;
  transition:
    opacity 0.3s ease,
    visibility 0.3s ease;
  pointer-events: none;
}

.pop-out-backdrop.show {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.pop-out-win {
  position: fixed;
  top: 45%;
  left: 50%;
  transform: translate(-50%, -50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transition:
    opacity 0.3s ease,
    visibility 0.3s ease;
  pointer-events: none;
}

.pop-out-win.show {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.pop-out-win img {
  max-width: 450px;
  min-width: 200px;
  width: auto;
  height: auto;
  display: block;
  image-rendering: auto;
  backface-visibility: hidden;
}

.pop-out-win .money-amount {
  max-width: 120px;
  min-width: 80px;
  width: auto;
}

.pop-out-win .win-prize {
  max-width: 320px;
  min-width: 240px;
  width: auto;
}

.btn-win {
  display: flex;
  gap: 20px;
  align-items: center;
  justify-content: center;
  margin-top: 50px;
}

.download-link,
.tg-link {
  display: inline-block;
  text-decoration: none;
  background: none;
  border: none;
  padding: 0;
  cursor: pointer;
  transition: transform 0.2s ease;
  pointer-events: auto;
  position: relative;
  z-index: 1001;
}

.btn-win img {
  max-width: 280px;
  min-width: 200px;
  width: auto;
  height: auto;
  display: block;
  cursor: pointer;
  transition: transform 0.2s ease;
  image-rendering: auto;
  backface-visibility: hidden;
}

.btn-win img:active {
  transform: scale(0.95);
}
/* ======================================================
   MOBILE + SMALL TABLET (360px → 768px)
   SAME AS YOUR SCREENSHOT
====================================================== */
@media (min-width: 360px) and (max-width: 768px) {
  /* full background like screenshot */
  .bg-image {
    width: 100%;
    height: 100vh;
    max-height: 100vh;
    object-fit: cover;
  }
  .text-box {
    position: absolute;
    top: 20%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 10;
    pointer-events: none;
    width: 60%;
    max-width: 100%;
  }
  /* frame + grid position */
  .grid-wrapper {
    width: 100%;
    max-width: 500px;
    top: 49%;
    aspect-ratio: 3 / 4;
  }
  .grid-frame {
    position: absolute;
    top: 4%;
    left: 4%;
    width: 93%;
    height: 100%;
    object-fit: fill;
    z-index: 1;
    pointer-events: none;
  }
  .grid-container {
    gap: 12px;
    padding: 18px;
  }

  .grid-item img {
    width: 92%;
    height: 92%;
  }

  /* popup scale */
  .pop-out-win img {
    max-width: 360px;
  }

  .btn-win img {
    max-width: 230px;
  }
}