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;
}
.grid-wrapper {
    position: absolute;
    top: 45%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 25%;
    height: 60%;
    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: 35%;
    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;
  }

  /* frame + grid position */
  .grid-wrapper {
    width: 100%;
    max-width: 500px;
    top: 45%;
    aspect-ratio: 3 / 4;
  }
.grid-frame {
    position: absolute;
    top:4%;
    left: 0;
    width: 100%;
    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;
  }
}