html, body {
  margin: 0;
  padding: 0;
  background-color: #000;
  overflow: hidden;
  height: 100%;
  width: 100%;
}

/* Full-screen GIF background */
body::before {
  content: "";
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: url('../res/poionixbg.gif') no-repeat center center / cover;
  filter: blur(6px);
  z-index: 0;
}

/* Dark overlay */
body::after {
  content: "";
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0,0,0,0.3);
  z-index: 2;
}

.ghost {
  position: absolute;
  width: 120px;
  pointer-events: none;
  user-select: none;
  filter: drop-shadow(0 0 20px rgba(255, 255, 255, 0.5));
  z-index: 999;
}

.trail {
  position: absolute;
  width: 80px;
  height: 80px;
  border-radius: 50%;
  pointer-events: none;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.3), transparent);
  animation: fadeOut 0.8s forwards;
  filter: blur(6px);
  z-index: 998;
}

@keyframes fadeOut {
  to {
    opacity: 0;
    transform: scale(0.5);
  }
}

/* Cursor highlight */ 
#cursor-highlight {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 1;
  mix-blend-mode: screen;
}