/* Auth screens — animated stage + brand lockup. */

.portal-auth {
  --auth-mesh: rgba(11, 45, 74, 0.055);
  --auth-mesh-warm: rgba(232, 106, 23, 0.04);
  position: relative;
  isolation: isolate;
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 1.5rem;
  overflow: hidden;
  background:
    radial-gradient(110% 70% at 0% 0%, rgba(232, 106, 23, 0.18), transparent 52%),
    radial-gradient(90% 80% at 100% 10%, rgba(11, 45, 74, 0.16), transparent 48%),
    radial-gradient(80% 60% at 70% 100%, rgba(232, 106, 23, 0.1), transparent 55%),
    linear-gradient(155deg, #e8eef6 0%, #f6f8fb 38%, #eef2f7 72%, #f4f7fb 100%);
}

.portal-auth__atmosphere {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}

.portal-auth__atmosphere::before,
.portal-auth__atmosphere::after {
  content: "";
  position: absolute;
  inset: -30%;
  pointer-events: none;
}

.portal-auth__atmosphere::before {
  background-image:
    linear-gradient(var(--auth-mesh) 1px, transparent 1px),
    linear-gradient(90deg, var(--auth-mesh) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 70% 60% at 50% 45%, #000 20%, transparent 72%);
  animation: portal-auth-mesh 48s linear infinite;
  opacity: 0.9;
}

.portal-auth__atmosphere::after {
  background:
    conic-gradient(
      from 180deg at 50% 45%,
      transparent 0deg,
      rgba(232, 106, 23, 0.07) 60deg,
      transparent 120deg,
      rgba(11, 45, 74, 0.08) 200deg,
      transparent 280deg,
      rgba(232, 106, 23, 0.05) 320deg,
      transparent 360deg
    );
  filter: blur(40px);
  animation: portal-auth-aurora 26s ease-in-out infinite alternate;
  opacity: 0.85;
  mix-blend-mode: multiply;
}

.portal-auth__orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(56px);
  opacity: 0.95;
  will-change: transform, opacity;
}

.portal-auth__orb--a {
  width: min(62vw, 42rem);
  height: min(62vw, 42rem);
  top: -22%;
  right: -14%;
  background:
    radial-gradient(circle at 35% 40%, rgba(255, 180, 120, 0.45), transparent 42%),
    radial-gradient(circle, rgba(232, 106, 23, 0.38), transparent 68%);
  animation: portal-auth-drift-a 18s ease-in-out infinite alternate;
}

.portal-auth__orb--b {
  width: min(70vw, 48rem);
  height: min(70vw, 48rem);
  bottom: -26%;
  left: -20%;
  background:
    radial-gradient(circle at 60% 45%, rgba(80, 130, 180, 0.35), transparent 40%),
    radial-gradient(circle, rgba(11, 45, 74, 0.34), transparent 70%);
  animation: portal-auth-drift-b 24s ease-in-out infinite alternate;
}

.portal-auth__orb--c {
  width: min(50vw, 34rem);
  height: min(50vw, 34rem);
  top: 38%;
  left: 46%;
  background:
    radial-gradient(circle at 50% 50%, rgba(232, 106, 23, 0.28), transparent 55%),
    radial-gradient(circle, rgba(11, 45, 74, 0.12), transparent 72%);
  animation: portal-auth-drift-c 14s ease-in-out infinite alternate;
}

.portal-auth__orb--d {
  width: min(36vw, 22rem);
  height: min(36vw, 22rem);
  top: 12%;
  left: 8%;
  background: radial-gradient(circle, rgba(232, 106, 23, 0.22), transparent 70%);
  animation: portal-auth-drift-d 20s ease-in-out infinite alternate;
  opacity: 0.8;
}

.portal-auth__ribbon {
  position: absolute;
  width: 140%;
  height: 42%;
  left: -20%;
  top: 28%;
  border-radius: 50%;
  background: linear-gradient(
    105deg,
    transparent 10%,
    rgba(232, 106, 23, 0.08) 35%,
    rgba(11, 45, 74, 0.1) 55%,
    rgba(232, 106, 23, 0.06) 70%,
    transparent 90%
  );
  filter: blur(28px);
  transform-origin: center;
  animation: portal-auth-ribbon 32s ease-in-out infinite alternate;
  opacity: 0.75;
}

.portal-auth__panel {
  position: relative;
  z-index: 1;
  width: min(100%, 24rem);
  padding: 1.35rem 1.35rem 1.4rem;
  border: 1px solid color-mix(in srgb, var(--admin-bar-border, #d5dde6) 80%, transparent);
  border-top: 3px solid var(--color-orange, #e86a17);
  border-radius: 0.55rem;
  background: rgba(255, 255, 255, 0.92);
  box-shadow:
    0 24px 60px rgba(7, 31, 54, 0.14),
    0 1px 0 rgba(255, 255, 255, 0.8) inset;
  backdrop-filter: blur(10px);
  animation: portal-auth-panel-in 420ms ease both;
}

.portal-auth__brand {
  display: flex;
  justify-content: center;
  margin: 0 0 1.1rem;
}

.portal-auth__logo {
  display: block;
  width: min(100%, 11.5rem);
  height: auto;
}

.portal-auth__title {
  margin: 0 0 0.35rem;
  font-size: 1.35rem;
  font-weight: 600;
  color: var(--color-navy, #0b2d4a);
}

.portal-auth__lede {
  margin: 0 0 1rem;
  color: var(--admin-bar-muted, #5a6b7d);
  font-size: 0.9rem;
}

.portal-auth__submit {
  width: 100%;
  justify-content: center;
  margin-top: 0.35rem;
}

.portal-auth__remember-hint {
  margin: -0.25rem 0 0;
}

.portal-auth__footer {
  margin: 1rem 0 0;
  text-align: center;
  font-size: 0.85rem;
}

.portal-auth__footer a,
.portal-auth__footer-btn,
.portal-auth__footer-link {
  color: var(--admin-bar-muted, #5a6b7d);
  text-decoration: underline;
  text-underline-offset: 0.12em;
  font: inherit;
  background: none;
  border: 0;
  padding: 0;
  cursor: pointer;
}

.portal-auth__footer a:hover,
.portal-auth__footer a:focus-visible,
.portal-auth__footer-btn:hover,
.portal-auth__footer-btn:focus-visible,
.portal-auth__footer-link:hover,
.portal-auth__footer-link:focus-visible {
  color: var(--color-orange-deep, #c4530d);
}

.portal-auth__footer-btn[hidden],
.portal-auth__footer-link[hidden],
[data-pwa-install-sep][hidden] {
  display: none !important;
}

@keyframes portal-auth-mesh {
  from {
    transform: translate3d(0, 0, 0) rotate(0deg);
  }
  to {
    transform: translate3d(-56px, -56px, 0) rotate(2deg);
  }
}

@keyframes portal-auth-aurora {
  from {
    transform: rotate(-8deg) scale(1.05);
    opacity: 0.65;
  }
  to {
    transform: rotate(12deg) scale(1.18);
    opacity: 0.95;
  }
}

@keyframes portal-auth-drift-a {
  from {
    transform: translate3d(0, 0, 0) scale(1);
  }
  to {
    transform: translate3d(-12%, 14%, 0) scale(1.14);
  }
}

@keyframes portal-auth-drift-b {
  from {
    transform: translate3d(0, 0, 0) scale(1.06);
  }
  to {
    transform: translate3d(14%, -10%, 0) scale(1);
  }
}

@keyframes portal-auth-drift-c {
  from {
    transform: translate3d(0, 0, 0) scale(0.95);
    opacity: 0.75;
  }
  to {
    transform: translate3d(-16%, -12%, 0) scale(1.12);
    opacity: 1;
  }
}

@keyframes portal-auth-drift-d {
  from {
    transform: translate3d(0, 0, 0) scale(1);
  }
  to {
    transform: translate3d(18%, 22%, 0) scale(1.2);
  }
}

@keyframes portal-auth-ribbon {
  from {
    transform: translate3d(0, 0, 0) rotate(-4deg) scaleX(1);
  }
  to {
    transform: translate3d(4%, -6%, 0) rotate(6deg) scaleX(1.08);
  }
}

@keyframes portal-auth-panel-in {
  from {
    opacity: 0;
    transform: translateY(0.6rem) scale(0.985);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

@media (prefers-reduced-motion: reduce) {
  .portal-auth__atmosphere::before,
  .portal-auth__atmosphere::after,
  .portal-auth__orb,
  .portal-auth__ribbon,
  .portal-auth__panel {
    animation: none;
  }
}