hr {
  border-top: 1px solid var(--apple-border);
  margin: 2rem 0;
}

.diagram-block {
  margin: 1.5rem 0;
  padding: 1rem;
  border-radius: 12px;
  background: var(--apple-surface-hover);
  border: 1px solid var(--apple-border);
  box-shadow: 0 1px 3px var(--apple-shadow);
}

.diagram-block img {
  width: 100%;
  border-radius: 8px;
}

.diagram-block figcaption {
  margin-top: 0.5rem;
  font-size: 0.85rem;
  color: var(--apple-text-dim);
}

#particleCanvas {
  width: 100%;
  height: 400px;
  display: block;
  border-radius: 12px;
  border: 1px solid var(--apple-border);
  margin-top: 1rem;
}

.p-wrapper {
  margin: 0;
  display: flex;
  justify-content: center;
  align-items: center;
  background: linear-gradient(135deg, #1e1e1e, #343434, #1e1e1e);
  background-size: 400% 400%;
  animation: gradientAnimation 15s ease infinite;
  position: relative;
  overflow: hidden;
  margin-bottom: 30px;
}

@keyframes gradientAnimation {
  0% {
    background-position: 0% 50%;
  }

  50% {
    background-position: 100% 50%;
  }

  100% {
    background-position: 0% 50%;
  }
}