* {
  margin: 0;
}
body {
  min-height: 100vh;
  background: linear-gradient(45deg, #000000, #434343);
}

.myCanvas {
  position: fixed;
  z-index: 2;
  pointer-events: none;
  top: 0;
  left: 0;
}
.container {
  display: none;
}
.options {
  position: fixed;
  bottom: 20px;
  left: 20px;
  display: flex;
  flex-direction: column;
  border-radius: 8px;
  z-index: 3;
}
.btn {
  user-select: none;
  width: 160px;
  height: 60px;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.1s linear;
  position: relative;
  overflow: hidden;
  font-family: "Segoe UI", sans-serif;
  min-width: 140px;
  text-align: center;
}
.label {
  letter-spacing: 1px;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  line-height: 1;
  z-index: 2;
  font-size: 22px;
  white-space: nowrap;
  font-weight: 500;
  color: #fff;
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
}
.btn::after {
  content: "";
  position: absolute;
  top: -2px;
  left: -2px;
  right: -2px;
  bottom: -2px;
  background: linear-gradient(45deg, #ff00cc33, #00ccff33, #00ffcc33, #cc00ff33, #ff00cc33);
  background-size: 400%;
  border-radius: 50px;
  z-index: -2;
  filter: blur(10px);
  opacity: 0;
}
.btn:hover::after {
  opacity: 0.8;
  animation: neonFlow 5s linear infinite;
}
@keyframes neonFlow {
  0% {
    background-position: 0 0;
  }
  100% {
    background-position: 400% 0;
  }
}
@keyframes liquidDistort {
  0%,
  100% {
    border-radius: 10px;
  }
  25% {
    border-radius: 20px 10px 20px 10px;
  }
  50% {
    border-radius: 15px 25px 15px 25px;
  }
  75% {
    border-radius: 25px 15px 25px 15px;
  }
}
@keyframes spacing {
  0%,
  100% {
    opacity: 1;
  }
  50% {
    opacity: 0.5;
  }
}
.btn:active {
  transform: translateY(3px);
}
.glass-container {
  position: absolute;
  z-index: 1;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
  box-shadow: 0 6px 6px rgba(0, 0, 0, 0.2), 0 0 20px rgba(0, 0, 0, 0.1);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.25);
}
.glass-filter {
  position: absolute;
  inset: 0;
  z-index: 0;
  backdrop-filter: blur(4px);
  filter: url(#lg-dist);
  isolation: isolate;
}
.glass-specular {
  position: absolute;
  inset: 0;
  z-index: 2;
  border-radius: inherit;
  overflow: hidden;
  box-shadow: inset 1px 1px 0 rgba(255, 255, 255, 0.75), inset 0 0 5px rgba(255, 255, 255, 0.75);
}