/* ============================================
   Liquid Glass — Chromium enhancement
   Safari falls back to frosted glass.
   ============================================ */

/* Base frosted glass (all browsers, Safari-safe) */
.demo-window.liquid-glass-demo {
  background: rgba(255, 255, 255, 0.55);
  backdrop-filter: blur(24px) saturate(160%);
  -webkit-backdrop-filter: blur(24px) saturate(160%);
  border: 1px solid rgba(255, 255, 255, 0.35);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.10),
              inset 0 1px 0 rgba(255, 255, 255, 0.5);
}

@media (prefers-color-scheme: dark) {
  .demo-window.liquid-glass-demo {
    background: rgba(0, 0, 0, 0.45);
    border: 1px solid rgba(255, 255, 255, 0.12);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4),
                inset 0 1px 0 rgba(255, 255, 255, 0.08);
  }
}

/* Chromium: SVG displacement refraction (progressive enhancement) */
@supports (backdrop-filter: url(#liquid-glass-filter)) {
  .demo-window.liquid-glass-demo {
    backdrop-filter: url(#liquid-glass-filter) blur(2px) saturate(180%);
    -webkit-backdrop-filter: url(#liquid-glass-filter) blur(2px) saturate(180%);
    background: rgba(255, 255, 255, 0.25);
  }

  @media (prefers-color-scheme: dark) {
    .demo-window.liquid-glass-demo {
      background: rgba(0, 0, 0, 0.25);
    }
  }
}

/* Appearance style toggles (applied via JS to #rp-window) */
.demo-window.style-none {
  background: var(--bg);
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  border: 1px solid var(--divider);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
}

.demo-window.style-frosted {
  background: rgba(255, 255, 255, 0.72);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border: 1px solid rgba(255, 255, 255, 0.3);
}
@media (prefers-color-scheme: dark) {
  .demo-window.style-frosted {
    background: rgba(0, 0, 0, 0.72);
    border: 1px solid rgba(255, 255, 255, 0.1);
  }
}