/*
 * GlassSurface CSS — React Bits uslubidagi glass effekt.
 * Asl komponent CSS i asosida, sayt mavzulari (light/dark)
 * va header kengligiga moslashtirilgan.
 */

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

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

.glass-surface__content {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0.5rem;
  border-radius: inherit;
  position: relative;
  z-index: 1;
}

/* ── SVG displacement qo'llab-quvvatlanadigan brauzerlar (Chrome/Edge) ── */
.glass-surface--svg {
  /* React Bits prompt aslida: light-dark(hsl(0 0% 100% / var(--glass-frost, 0)),
                                       hsl(0 0% 0% / var(--glass-frost, 0)))
     light-dark() eski brauzerlarda ishlamaydi — shuning uchun
     oddiy rgba bilan yozilgan, frost 0 = to'liq shaffof. */
  background: rgba(255, 255, 255, var(--glass-frost, 0));
  -webkit-backdrop-filter: var(--filter-id, none) saturate(var(--glass-saturation, 1));
  backdrop-filter: var(--filter-id, none) saturate(var(--glass-saturation, 1));
  box-shadow:
    0 0 2px 1px rgba(255, 255, 255, 0.45) inset,
    0 0 10px 4px rgba(255, 255, 255, 0.18) inset,
    0 4px 16px rgba(17, 17, 26, 0.06),
    0 8px 24px rgba(17, 17, 26, 0.06),
    0 16px 56px rgba(17, 17, 26, 0.08);
}

/* ── Safari / Firefox / eski brauzerlar uchun fallback ── */
.glass-surface--fallback {
  background: rgba(255, 255, 255, 0.25);
  -webkit-backdrop-filter: blur(12px) saturate(1.8) brightness(1.1);
  backdrop-filter: blur(12px) saturate(1.8) brightness(1.1);
  border: 1px solid rgba(255, 255, 255, 0.3);
  box-shadow:
    0 8px 32px 0 rgba(31, 38, 135, 0.12),
    0 2px 16px 0 rgba(31, 38, 135, 0.08),
    inset 0 1px 0 0 rgba(255, 255, 255, 0.7),
    inset 0 -1px 0 0 rgba(255, 255, 255, 0.35);
}

/* ── Dark mode ── */
body.dark-mode .glass-surface--svg {
  background: rgba(255, 255, 255, var(--glass-frost, 0.05));
  box-shadow:
    0 0 2px 1px rgba(255, 255, 255, 0.12) inset,
    0 0 10px 4px rgba(255, 255, 255, 0.05) inset,
    0 4px 16px rgba(0, 0, 0, 0.3),
    0 8px 24px rgba(0, 0, 0, 0.3),
    0 16px 56px rgba(0, 0, 0, 0.35);
}

body.dark-mode .glass-surface--fallback {
  background: rgba(15, 23, 42, 0.6);
  -webkit-backdrop-filter: blur(14px) saturate(1.7) brightness(1.15);
  backdrop-filter: blur(14px) saturate(1.7) brightness(1.15);
  border: 1px solid rgba(255, 255, 255, 0.14);
  box-shadow:
    inset 0 1px 0 0 rgba(255, 255, 255, 0.2),
    inset 0 -1px 0 0 rgba(255, 255, 255, 0.08),
    0 8px 28px rgba(0, 0, 0, 0.4);
}

/* ── backdrop-filter umuman yo'q bo'lsa ── */
@supports not ((backdrop-filter: blur(10px)) or (-webkit-backdrop-filter: blur(10px))) {
  .glass-surface--svg,
  .glass-surface--fallback {
    background: rgba(255, 255, 255, 0.92);
    box-shadow:
      0 2px 10px rgba(15, 23, 42, 0.12),
      inset 0 1px 0 0 rgba(255, 255, 255, 0.6);
  }

  body.dark-mode .glass-surface--svg,
  body.dark-mode .glass-surface--fallback {
    background: rgba(15, 23, 42, 0.95);
    box-shadow:
      0 2px 10px rgba(0, 0, 0, 0.5),
      inset 0 1px 0 0 rgba(255, 255, 255, 0.12);
  }
}

/* ── Harakatni kamaytirish ── */
@media (prefers-reduced-motion: reduce) {
  .glass-surface {
    transition: none;
  }
}