/* Effects: Glassmorphism, focus-visible, subtle borders, reduced motion */

/* Default: keep original nav background; apply glass only when scrolled and supported */
nav.glass {
  /* fallback background from base.css remains via cascade */
  transition: background-color 0.18s cubic-bezier(0.2, 0.8, 0.2, 1),
              -webkit-backdrop-filter 0.18s cubic-bezier(0.2, 0.8, 0.2, 1),
              backdrop-filter 0.18s cubic-bezier(0.2, 0.8, 0.2, 1),
              border-color 0.18s cubic-bezier(0.2, 0.8, 0.2, 1);
}

@supports ((-webkit-backdrop-filter: blur(0)) or (backdrop-filter: blur(0))) {
  body.is-scrolled nav.glass {
    background-color: rgba(13, 13, 13, 0.5);
    -webkit-backdrop-filter: blur(12px);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--ios-separator);
  }
}

/* Subtle flat border for cards to enhance minimal look without heavy shadows */
.link-card {
  border: 1px solid var(--ios-separator);
  border-radius: var(--ios-card-radius);
}

/* iOS-like pressed/highlight overlay */
.link-card::after {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(255, 255, 255, 0.06);
  opacity: 0;
  pointer-events: none;
  border-radius: inherit;
  transition: opacity 0.12s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.link-card:active::after,
.link-card:focus-within::after {
  opacity: 1;
}

/* Focus visibility for keyboard users */
a:focus-visible {
  outline: 2px solid var(--primary-color);
  outline-offset: 2px;
  border-radius: var(--radius-pill);
}

/* Reduced motion preference */
@media (prefers-reduced-motion: reduce) {
  * {
    animation: none !important;
    transition: none !important;
  }
}