/*
  Album loading overlay styles (scoped)
  说明：从 3d_photo_album/css/style.css 提取并做了作用域隔离，
  只在 #album-loading 内生效，避免污染 3d-computer 其它 DOM。
*/

/* overlay 容器 */
#album-loading {
  position: absolute;
  inset: 0;
  z-index: 999;
  display: grid;
  place-items: center;
  background: #000;
  color: #fff;
  overflow: hidden;
}

/* 用于淡出动画 */
#album-loading.is-fading {
  opacity: 0;
  transition: opacity 450ms ease;
}

/* 相册本体（来自原 .box） */
#album-loading .album-box {
  width: 200px;
  height: 200px;
  position: relative;
  -webkit-transform-style: preserve-3d;
  -webkit-transform: rotateX(13deg);
  -webkit-animation: albumMove 5s linear infinite;
}

/* 小立方体 */
#album-loading .album-minbox {
  width: 100px;
  height: 100px;
  position: absolute;
  left: 50px;
  top: 30px;
  -webkit-transform-style: preserve-3d;
}

#album-loading li {
  list-style: none;
}

#album-loading .album-minbox li {
  width: 100px;
  height: 100px;
  position: absolute;
  left: 0;
  top: 0;
  background-position: center center;
  background-size: contain;
  background-repeat: no-repeat;
}

#album-loading .album-minbox li:nth-child(1) {
  background-image: url(./assets/album/img/1.jpg);
  -webkit-transform: translateZ(50px);
}
#album-loading .album-minbox li:nth-child(2) {
  background-image: url(./assets/album/img/2.jpg);
  -webkit-transform: rotateY(180deg) translateZ(50px);
}
#album-loading .album-minbox li:nth-child(3) {
  background-image: url(./assets/album/img/3.jpg);
  -webkit-transform: rotateX(-90deg) translateZ(50px);
}
#album-loading .album-minbox li:nth-child(4) {
  background-image: url(./assets/album/img/4.jpg);
  -webkit-transform: rotateX(90deg) translateZ(50px);
}
#album-loading .album-minbox li:nth-child(5) {
  background-image: url(./assets/album/img/5.jpg);
  -webkit-transform: rotateY(-90deg) translateZ(50px);
}
#album-loading .album-minbox li:nth-child(6) {
  background-image: url(./assets/album/img/6.jpg);
  -webkit-transform: rotateY(90deg) translateZ(50px);
}

/* 大立方体 */
#album-loading .album-maxbox {
  width: 800px;
  height: 400px;
  position: absolute;
  left: 0;
  top: -20px;
  -webkit-transform-style: preserve-3d;
}

#album-loading .album-maxbox li {
  width: 200px;
  height: 200px;
  background: #fff;
  background-position: center center;
  background-size: contain;
  background-repeat: no-repeat;
  border: 1px solid #ccc;
  position: absolute;
  left: 0;
  top: 0;
  opacity: 0.2;
  -webkit-transition: all 1s ease;
}

#album-loading .album-maxbox li:nth-child(1) {
  background-image: url(./assets/album/img/1.jpg);
  -webkit-transform: translateZ(100px);
}
#album-loading .album-maxbox li:nth-child(2) {
  background-image: url(./assets/album/img/2.jpg);
  -webkit-transform: rotateX(0deg) translateZ(-100px);
}
#album-loading .album-maxbox li:nth-child(3) {
  background-image: url(./assets/album/img/3.jpg);
  -webkit-transform: rotateX(-90deg) translateZ(100px);
}
#album-loading .album-maxbox li:nth-child(4) {
  background-image: url(./assets/album/img/4.jpg);
  -webkit-transform: rotateX(90deg) translateZ(100px);
}
#album-loading .album-maxbox li:nth-child(5) {
  background-image: url(./assets/album/img/5.jpg);
  -webkit-transform: rotateY(-90deg) translateZ(100px);
}
#album-loading .album-maxbox li:nth-child(6) {
  background-image: url(./assets/album/img/6.jpg);
  -webkit-transform: rotateY(90deg) translateZ(100px);
}

/* hover 展开（保留原效果：鼠标放上去会展开） */
#album-loading .album-box:hover .album-maxbox li:nth-child(1) {
  -webkit-transform: translateZ(300px);
  width: 400px;
  height: 400px;
  opacity: 0.8;
  left: -100px;
  top: -100px;
}
#album-loading .album-box:hover .album-maxbox li:nth-child(2) {
  -webkit-transform: rotateX(0deg) translateZ(-300px);
  width: 400px;
  height: 400px;
  opacity: 0.8;
  left: -100px;
  top: -100px;
}
#album-loading .album-box:hover .album-maxbox li:nth-child(3) {
  -webkit-transform: rotateX(-90deg) translateZ(300px);
  width: 400px;
  height: 400px;
  opacity: 0.8;
  left: -100px;
  top: -100px;
}
#album-loading .album-box:hover .album-maxbox li:nth-child(4) {
  -webkit-transform: rotateX(90deg) translateZ(300px);
  width: 400px;
  height: 400px;
  opacity: 0.8;
  left: -100px;
  top: -100px;
}
#album-loading .album-box:hover .album-maxbox li:nth-child(5) {
  -webkit-transform: rotateY(-90deg) translateZ(300px);
  width: 400px;
  height: 400px;
  opacity: 0.8;
  left: -100px;
  top: -100px;
}
#album-loading .album-box:hover .album-maxbox li:nth-child(6) {
  -webkit-transform: rotateY(90deg) translateZ(300px);
  width: 400px;
  height: 400px;
  opacity: 0.8;
  left: -100px;
  top: -100px;
}

@keyframes albumMove {
  0% {
    -webkit-transform: rotateX(13deg) rotateY(0deg);
  }
  100% {
    -webkit-transform: rotateX(13deg) rotateY(360deg);
  }
}

/* 底部提示/按钮区域 */
#album-loading .album-hud {
  margin-top: 28px;
  text-align: center;
  font-family: Arial, sans-serif;
}

#album-loading #progress {
  margin-top: 8px;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.7);
}

#album-loading #enter-btn {
  display: none;
  margin-top: 12px;
  padding: 10px 18px;
  font-size: 14px;
  border: 1px solid rgba(255, 255, 255, 0.35);
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
  border-radius: 10px;
  cursor: pointer;
  backdrop-filter: blur(6px);
}

#album-loading #enter-btn:hover {
  background: rgba(255, 255, 255, 0.15);
}

#album-loading.is-ready #enter-btn {
  display: inline-block;
}

@media (max-width: 768px) {
  #album-loading {
    position: fixed;
    inset: 0;
    width: 100vw;
    height: 100vh;
    min-height: 100vh;
    overscroll-behavior: none;
    touch-action: none;
  }

  @supports (height: 100dvh) {
    #album-loading {
      height: 100dvh;
      min-height: 100dvh;
    }
  }
}