.auth-transition {
  position: fixed;
  inset: 0;
  z-index: 3000;
  display: grid;
  place-items: center;
  padding: 24px;
  overflow: hidden;
  background:
    radial-gradient(circle at 50% 42%, rgba(56, 217, 169, .15), transparent 34%),
    linear-gradient(135deg, rgba(5, 8, 13, .97), rgba(8, 12, 18, .95));
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity .42s ease, visibility .42s ease;
}

.auth-transition.is-visible {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.auth-transition.is-leaving {
  opacity: 0;
}

.auth-transition__canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: .26;
  filter: blur(.15px);
}

.auth-transition::before,
.auth-transition::after {
  content: '';
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.auth-transition::before {
  background:
    linear-gradient(transparent 0, rgba(255,255,255,.035) 50%, transparent 100%) 0 0 / 100% 4px,
    radial-gradient(circle at center, transparent 0, rgba(0, 0, 0, .48) 72%);
  mix-blend-mode: screen;
  opacity: .32;
}

.auth-transition::after {
  background: linear-gradient(90deg, rgba(56, 217, 169, .06), transparent 18%, transparent 82%, rgba(79, 110, 247, .06));
}

.auth-transition__content {
  position: relative;
  z-index: 1;
  width: min(100%, 430px);
  padding: 34px 28px;
  border: 1px solid rgba(56, 217, 169, .24);
  border-radius: 24px;
  background: rgba(12, 16, 23, .74);
  box-shadow:
    0 26px 90px rgba(0, 0, 0, .45),
    inset 0 1px 0 rgba(255, 255, 255, .06),
    0 0 42px rgba(56, 217, 169, .08);
  backdrop-filter: blur(18px);
  text-align: center;
  transform: translateY(10px) scale(.98);
  transition: transform .42s ease;
}

.auth-transition.is-visible .auth-transition__content {
  transform: translateY(0) scale(1);
}

.auth-transition__mark {
  display: inline-grid;
  place-items: center;
  width: 58px;
  height: 58px;
  margin-bottom: 18px;
  border-radius: 999px;
  border: 1px solid rgba(56, 217, 169, .36);
  background: rgba(56, 217, 169, .1);
  color: var(--accent2);
  font-size: 28px;
  font-weight: 800;
  box-shadow: 0 0 28px rgba(56, 217, 169, .16);
}

.auth-transition__kicker {
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.auth-transition h2 {
  margin-top: 6px;
  color: var(--text);
  font-size: clamp(26px, 5vw, 38px);
  line-height: 1.05;
  letter-spacing: -.04em;
}

.auth-transition__content > p:last-child {
  margin-top: 12px;
  color: rgba(232, 234, 240, .72);
  font-weight: 600;
}

body.auth-transition-lock {
  overflow: hidden;
}

@media (max-width: 560px) {
  .auth-transition {
    padding: 18px;
  }

  .auth-transition__content {
    padding: 28px 20px;
    border-radius: 20px;
  }

  .auth-transition__mark {
    width: 52px;
    height: 52px;
    margin-bottom: 16px;
    font-size: 24px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .auth-transition,
  .auth-transition__content {
    transition: none;
  }

  .auth-transition__canvas {
    display: none;
  }
}