.login-container .login-particle-morph {
  position: absolute;
  z-index: 1;
  inset: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
  pointer-events: none;
  contain: layout paint style;
}

.login-particle-morph canvas {
  display: block;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

body:has(.login-container) .login-card.login-particle-reveal-card {
  opacity: 1;
  filter: blur(0);
  transition: opacity 900ms ease, filter 1100ms ease, transform 220ms ease, border-color 300ms ease, box-shadow 300ms ease;
  will-change: opacity, filter;
}

body:has(.login-container) .login-card.login-particle-reveal-card[data-login-particle-reveal="true"] {
  opacity: 0;
  filter: blur(24px);
}

.login-particle-login-action {
  position: absolute;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 300ms ease;
}

.login-particle-login-disc {
  display: grid;
  place-items: center;
  flex: none;
  width: 100%;
  height: 100%;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, .9);
  border-radius: 13px;
  box-sizing: border-box;
  background: #fff;
  box-shadow: 0 14px 36px rgba(0, 0, 0, .35), 0 0 30px rgba(45, 212, 191, .2);
  transition: width 850ms cubic-bezier(.22, 1, .36, 1), border-radius 850ms ease;
}

.login-particle-login-disc img {
  display: block;
  width: 28px;
  height: 28px;
  object-fit: contain;
  filter: brightness(0);
  opacity: 0;
  transform: scale(.65);
  transition: opacity 650ms ease 150ms, transform 850ms ease;
}

.login-particle-login-action[data-revealed="true"] {
  opacity: 1;
}

.login-particle-login-action[data-revealed="true"] .login-particle-login-disc {
  width: var(--login-action-size, 48px);
  border-radius: 50%;
}

.login-particle-login-action[data-revealed="true"] img {
  opacity: 1;
  transform: scale(1);
}

@media (max-width: 820px) {
  .login-container .login-particle-morph {
    bottom: auto;
    height: min(320px, 35dvh);
  }
}

@media (prefers-reduced-motion: reduce) {
  body:has(.login-container) .login-card.login-particle-reveal-card,
  .login-particle-login-action,
  .login-particle-login-disc,
  .login-particle-login-disc img {
    transition: none;
  }
}