.loader-container {
  display: flex;
  justify-content: center;
  align-items: center;
  height: 900px;
  perspective: 500px;
}

.loader-3d {
  width: 40px;
  height: 40px;
  position: relative;
  transform-style: preserve-3d;
  animation: rotate-3d 6s infinite linear;
}

.loader-inner {
  width: 100%;
  height: 100%;
  position: relative;
  transform-style: preserve-3d;
  animation: pulse 1.5s infinite ease-in-out alternate;
}

.loader-face {
  position: absolute;
  width: 100%;
  height: 100%;
  opacity: 0.9;
  border: 1px solid rgba(255, 255, 255, 0.2);
  box-shadow: 0 0 8px rgba(100, 200, 255, 0.4);
}

.loader-face-front {
  background: linear-gradient(45deg, #ff3366, #ff3366 50%, transparent 50%),
    linear-gradient(-45deg, #8844ee, #8844ee 50%, transparent 50%);
  background-size: 10px 10px;
  transform: translateZ(20px);
}

.loader-face-back {
  background: repeating-linear-gradient(
      0deg,
      #00ffcc,
      #00ffcc 3px,
      transparent 3px,
      transparent 6px
    ),
    repeating-linear-gradient(
      90deg,
      #00ffcc,
      #00ffcc 3px,
      transparent 3px,
      transparent 6px
    );
  transform: rotateY(180deg) translateZ(20px);
}

.loader-face-right {
  background: radial-gradient(circle, #ffcc00 20%, transparent 20%),
    radial-gradient(circle, transparent 20%, #ffcc00 20%, transparent 30%);
  background-size: 15px 15px;
  background-position:
    0 0,
    7px 7px;
  transform: rotateY(90deg) translateZ(20px);
}

.loader-face-left {
  background: linear-gradient(135deg, #ff0066 25%, transparent 25%),
    linear-gradient(225deg, #ff0066 25%, transparent 25%),
    linear-gradient(315deg, #ff0066 25%, transparent 25%),
    linear-gradient(45deg, #ff0066 25%, transparent 25%);
  background-size: 10px 10px;
  transform: rotateY(-90deg) translateZ(20px);
}

.loader-face-top {
  background: conic-gradient(
    from 90deg at 50% 50%,
    #00ff99,
    #9900ff,
    #ff0099,
    #00ff99
  );
  transform: rotateX(90deg) translateZ(20px);
}

.loader-face-bottom {
  background: repeating-linear-gradient(
    45deg,
    #ff6600,
    #ff6600 5px,
    #ffcc00 5px,
    #ffcc00 10px
  );
  transform: rotateX(-90deg) translateZ(20px);
}

@keyframes rotate-3d {
  0% {
    transform: rotateX(0) rotateY(0) rotateZ(0);
  }
  100% {
    transform: rotateX(360deg) rotateY(720deg) rotateZ(360deg);
  }
}

@keyframes pulse {
  0% {
    transform: scale3d(0.8, 0.8, 0.8);
  }
  100% {
    transform: scale3d(1.1, 1.1, 1.1);
  }
}