/* Adapted from SayanBarcha/Simple-Waves. See waves-NOTICE.txt. */
.waves-background {
  position: fixed;
  left: 0;
  bottom: 0;
  width: 100%;
  /* Override the shared SVG reset so blur overscan can exceed the viewport. */
  max-width: none;
  height: clamp(180px, 40vh, 460px);
  z-index: 0;
  pointer-events: none;
  color: var(--accent, #7699b8);
}
/* Extend the blurred edges beyond the viewport to avoid faded side seams. */
.waves-background--blur {
  left: -24px;
  bottom: -24px;
  width: calc(100% + 48px);
  filter: blur(8px);
}
.waves-background__layers > use {
  fill: currentColor;
  animation: background-wave-drift 25s cubic-bezier(.55, .5, .45, .5) infinite;
}
.waves-background__layers > use:nth-child(1) {
  opacity: .12;
  animation-delay: -2s;
  animation-duration: 7s;
}
.waves-background__layers > use:nth-child(2) {
  opacity: .18;
  animation-delay: -3s;
  animation-duration: 10s;
}
.waves-background__layers > use:nth-child(3) {
  opacity: .24;
  animation-delay: -4s;
  animation-duration: 13s;
}
.waves-background__layers > use:nth-child(4) {
  opacity: .32;
  animation-delay: -5s;
  animation-duration: 20s;
}
.waves-background.is-paused use {
  animation-play-state: paused;
}
.waves-toggle {
  position: fixed;
  bottom: 1rem;
  right: 1rem;
  z-index: 3;
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: .5rem 1rem;
  background: var(--bg-elevated);
  color: var(--text);
  font: inherit;
  font-size: .875rem;
  cursor: pointer;
}
@keyframes background-wave-drift {
  from { transform: translate3d(-90px, 0, 0); }
  to { transform: translate3d(86px, 0, 0); }
}
@media (max-width: 768px) {
  .waves-background { height: 28vh; min-height: 120px; }
}
@media (prefers-reduced-motion: reduce) {
  .waves-background__layers > use { animation: none; }
  .waves-toggle { display: none; }
}