/* GlassSurface — ported from the React-Bits component (dark-theme variant). */

.glass-surface {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  transition: opacity 0.26s ease-out;
}

.glass-surface__filter {
  width: 100%;
  height: 100%;
  pointer-events: none;
  position: absolute;
  inset: 0;
  opacity: 0;
  z-index: -1;
}

.glass-surface--svg {
  background: hsl(0 0% 0% / var(--glass-frost, 0));
  backdrop-filter: var(--filter-id, url(#glass-filter)) saturate(var(--glass-saturation, 1));
  -webkit-backdrop-filter: saturate(var(--glass-saturation, 1));
  box-shadow:
    0 0 2px 1px color-mix(in oklch, white, transparent 65%) inset,
    0 0 10px 4px color-mix(in oklch, white, transparent 85%) inset,
    0px 4px 16px rgba(17, 17, 26, 0.05),
    0px 8px 24px rgba(17, 17, 26, 0.05),
    0px 16px 56px rgba(17, 17, 26, 0.05),
    0px 4px 16px rgba(17, 17, 26, 0.05) inset,
    0px 8px 24px rgba(17, 17, 26, 0.05) inset,
    0px 16px 56px rgba(17, 17, 26, 0.05) inset;
}

.glass-surface--fallback {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(12px) saturate(1.8) brightness(1.2);
  -webkit-backdrop-filter: blur(12px) saturate(1.8) brightness(1.2);
  border: 1px solid rgba(255, 255, 255, 0.2);
  box-shadow:
    0 8px 32px 0 rgba(31, 38, 135, 0.2),
    inset 0 1px 0 0 rgba(255, 255, 255, 0.2),
    inset 0 -1px 0 0 rgba(255, 255, 255, 0.1);
}

@supports not (backdrop-filter: blur(10px)) {
  .glass-surface--fallback { background: rgba(0, 0, 0, 0.4); }
}