/* Login → dashboard transition overlay (public app + portal) */

.login-transition {
  position: fixed;
  inset: 0;
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background:
    radial-gradient(ellipse 80% 60% at 20% 20%, rgba(45, 212, 191, 0.28), transparent 55%),
    radial-gradient(ellipse 70% 50% at 85% 75%, rgba(37, 99, 235, 0.35), transparent 50%),
    linear-gradient(145deg, #0f766e 0%, #1d4ed8 52%, #1e3a8a 100%);
  color: #fff;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.35s ease, visibility 0.35s ease;
}

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

.login-transition.is-leaving {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.login-transition__card {
  position: relative;
  width: min(340px, 100%);
  text-align: center;
  padding: 28px 22px 24px;
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.22);
  backdrop-filter: blur(10px);
  box-shadow: 0 20px 48px rgba(15, 23, 42, 0.28);
  animation: login-transition-rise 0.45s ease both;
}

.login-transition__orbit {
  position: relative;
  width: 112px;
  height: 112px;
  margin: 0 auto 18px;
}

.login-transition__ring {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 2px solid rgba(255, 255, 255, 0.22);
  border-top-color: rgba(255, 255, 255, 0.95);
  border-right-color: rgba(94, 234, 212, 0.85);
  animation: login-transition-spin 1.05s linear infinite;
}

.login-transition__ring--soft {
  inset: 10px;
  border-width: 1.5px;
  border-top-color: rgba(191, 219, 254, 0.9);
  border-right-color: transparent;
  animation-duration: 1.6s;
  animation-direction: reverse;
}

.login-transition__logo-wrap {
  position: absolute;
  inset: 22px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.95);
  box-shadow: 0 8px 20px rgba(15, 23, 42, 0.18);
  animation: login-transition-pulse 1.8s ease-in-out infinite;
}

.login-transition__logo {
  width: 48px;
  height: 48px;
  object-fit: contain;
}

.login-transition__dot {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 8px;
  height: 8px;
  margin: -4px 0 0 -4px;
  border-radius: 50%;
  background: #5eead4;
  box-shadow: 0 0 10px rgba(94, 234, 212, 0.8);
  animation: login-transition-orbit 2.2s linear infinite;
}

.login-transition__dot:nth-child(3) {
  animation-delay: -0.73s;
  background: #93c5fd;
  box-shadow: 0 0 10px rgba(147, 197, 253, 0.85);
}

.login-transition__dot:nth-child(4) {
  animation-delay: -1.46s;
  background: #fff;
  box-shadow: 0 0 10px rgba(255, 255, 255, 0.75);
}

.login-transition__eyebrow {
  margin: 0 0 6px;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  opacity: 0.88;
}

.login-transition__title {
  margin: 0;
  font-size: clamp(1.25rem, 4vw, 1.55rem);
  font-weight: 700;
  line-height: 1.25;
}

.login-transition__sub {
  margin: 8px 0 0;
  font-size: 0.95rem;
  line-height: 1.4;
  opacity: 0.92;
}

.login-transition__bar {
  position: relative;
  height: 4px;
  margin: 18px auto 0;
  width: min(220px, 80%);
  border-radius: 999px;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.18);
}

.login-transition__bar::after {
  content: "";
  position: absolute;
  inset: 0;
  width: 42%;
  border-radius: inherit;
  background: linear-gradient(90deg, #5eead4, #fff, #93c5fd);
  animation: login-transition-bar 1.15s ease-in-out infinite;
}

@keyframes login-transition-spin {
  to {
    transform: rotate(360deg);
  }
}

@keyframes login-transition-orbit {
  from {
    transform: rotate(0deg) translateX(48px) rotate(0deg);
  }
  to {
    transform: rotate(360deg) translateX(48px) rotate(-360deg);
  }
}

@keyframes login-transition-pulse {
  0%,
  100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.04);
  }
}

@keyframes login-transition-bar {
  0% {
    transform: translateX(-120%);
  }
  100% {
    transform: translateX(280%);
  }
}

@keyframes login-transition-rise {
  from {
    opacity: 0;
    transform: translateY(12px) scale(0.98);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

@media (prefers-reduced-motion: reduce) {
  .login-transition__ring,
  .login-transition__ring--soft,
  .login-transition__dot,
  .login-transition__logo-wrap,
  .login-transition__bar::after,
  .login-transition__card {
    animation: none;
  }

  .login-transition__bar::after {
    width: 100%;
    transform: none;
  }
}