/* ============================================================
   LIQUID GLASS
   .liquid-glass        — light,  4px blur
   .liquid-glass-strong — heavy, 50px blur
============================================================ */

.liquid-glass {
  position: relative;
  background: rgba(255, 255, 255, 0.01);
  background-blend-mode: luminosity;
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  border: none;
  overflow: hidden;
}

.liquid-glass::before {
  content: '';
  position: absolute;
  inset: 0;
  padding: 1.4px;
  border-radius: inherit;
  background: linear-gradient(
    180deg,
    rgba(255, 255, 255, 0.55) 0%,
    rgba(255, 255, 255, 0.00) 40%,
    rgba(255, 255, 255, 0.00) 60%,
    rgba(255, 255, 255, 0.45) 100%
  );
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
}

/* ---------------------------------------------------------- */

.liquid-glass-strong {
  position: relative;
  background: rgba(255, 255, 255, 0.015);
  background-blend-mode: luminosity;
  backdrop-filter: blur(50px);
  -webkit-backdrop-filter: blur(50px);
  border: none;
  box-shadow: 4px 4px 4px rgba(0, 0, 0, 0.05), inset 0 1px 1px rgba(255, 255, 255, 0.15);
  overflow: hidden;
}

.liquid-glass-strong::before {
  content: '';
  position: absolute;
  inset: 0;
  padding: 1.4px;
  border-radius: inherit;
  background: linear-gradient(
    180deg,
    rgba(255, 255, 255, 0.65) 0%,
    rgba(255, 255, 255, 0.00) 40%,
    rgba(255, 255, 255, 0.00) 60%,
    rgba(255, 255, 255, 0.55) 100%
  );
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
}