/* HiAir Liquid Glass — navigation & accent layer (Aurora Calm) */

:root {
  --lg-radius: var(--radius-xl, 28px);
  --lg-radius-nav: var(--radius-pill, 999px);
  --lg-tint: rgba(255, 255, 255, 0.55);
  --lg-tint-strong: rgba(255, 255, 255, 0.78);
  --lg-tint-clear: rgba(255, 255, 255, 0.35);
  --lg-sheen-top: rgba(255, 255, 255, 0.65);
  --lg-sheen-bottom: rgba(255, 255, 255, 0.12);
  --ease-bouncy: cubic-bezier(0.34, 1.56, 0.64, 1);
  --ease-snappy: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-gentle: cubic-bezier(0.16, 1, 0.3, 1);
}

body.legal {
  --lg-tint: rgba(14, 18, 32, 0.62);
  --lg-tint-strong: rgba(14, 18, 32, 0.82);
  --lg-tint-clear: rgba(255, 255, 255, 0.08);
  --lg-sheen-top: rgba(255, 255, 255, 0.22);
  --lg-sheen-bottom: rgba(255, 255, 255, 0.06);
}

.lg {
  position: relative;
  border-radius: var(--lg-radius);
  isolation: isolate;
  box-shadow:
    0 1px 1px rgba(15, 23, 42, 0.04),
    0 8px 28px rgba(15, 23, 42, 0.1);
}

.lg__refraction {
  position: absolute;
  inset: 0;
  border-radius: inherit;
  backdrop-filter: blur(4px) url(#lg-refraction);
  -webkit-backdrop-filter: blur(14px);
  contain: layout style paint;
}

@supports not (backdrop-filter: blur(1px) url(#x)) {
  .lg__refraction {
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
  }
}

.lg__tint {
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: var(--lg-tint);
}

.lg__sheen {
  position: absolute;
  inset: 0;
  border-radius: inherit;
  pointer-events: none;
  overflow: hidden;
  box-shadow:
    inset 0 1px 1px var(--lg-sheen-top),
    inset 0 -1px 1px var(--lg-sheen-bottom);
}

.lg__sheen::after {
  content: "";
  position: absolute;
  inset: -50%;
  background: linear-gradient(115deg, transparent 40%, rgba(255, 255, 255, 0.45) 50%, transparent 60%);
  transform: translateX(-120%);
}

.lg--interactive:hover .lg__sheen::after {
  animation: lg-sweep 0.9s var(--ease-gentle);
}

@keyframes lg-sweep {
  to {
    transform: translateX(120%);
  }
}

.lg__content {
  position: relative;
  z-index: 1;
}

.lg--prominent .lg__tint {
  background: var(--lg-tint-strong);
}

.lg--clear .lg__tint {
  background: var(--lg-tint-clear);
}

.lg--soft .lg__refraction {
  backdrop-filter: blur(6px) url(#lg-refraction-soft);
  -webkit-backdrop-filter: blur(12px);
}

.lg--nav {
  --lg-radius: var(--lg-radius-nav);
}

.lg--interactive {
  transition: transform 0.25s var(--ease-bouncy), box-shadow 0.25s var(--ease-snappy);
}

.lg--interactive:hover {
  box-shadow: 0 12px 32px rgba(15, 23, 42, 0.14);
}

.lg--interactive:active {
  transform: scale(0.98);
}

.lg--glow .lg__sheen {
  background: radial-gradient(
    140px 140px at var(--gx, 50%) var(--gy, 50%),
    rgba(255, 255, 255, 0.35),
    transparent 70%
  );
}

@keyframes lg-materialize {
  from {
    opacity: 0;
    filter: blur(12px);
    transform: scale(0.94);
  }
  to {
    opacity: 1;
    filter: blur(0);
    transform: scale(1);
  }
}

.lg--enter {
  animation: lg-materialize 0.55s var(--ease-snappy) both;
}

@keyframes lg-float {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-6px);
  }
}

.lg--float {
  animation: lg-float 6s ease-in-out infinite;
}

/* Compact glass for inputs & secondary buttons */
.lg-input,
.btn-glass {
  position: relative;
  isolation: isolate;
  border-radius: var(--radius-md);
  overflow: hidden;
}

.lg-input__refraction,
.btn-glass__refraction {
  position: absolute;
  inset: 0;
  border-radius: inherit;
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(12px);
}

.lg-input__tint,
.btn-glass__tint {
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: var(--lg-tint-clear);
  border: 1px solid rgba(26, 39, 68, 0.1);
}

.lg-input__content {
  position: relative;
  z-index: 1;
}

@media (prefers-reduced-motion: reduce) {
  .lg--enter,
  .lg--float {
    animation: none;
    opacity: 1;
    filter: none;
    transform: none;
  }

  .lg--interactive {
    transition: opacity 0.2s linear;
  }

  .lg--interactive:active {
    transform: none;
  }

  .lg--interactive:hover .lg__sheen::after {
    animation: none;
  }
}

@media (max-width: 480px) {
  .lg__refraction {
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(14px);
  }

  .lg--soft .lg__refraction {
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(12px);
  }
}