/* ═══════════════════════════════════════════════════════════════════════════
   WCAG 2.1 AA — Global accessibility improvements
   Applied globally via base.html to all pages at once.
   ═══════════════════════════════════════════════════════════════════════════ */

/* Focus visible on all interactive elements */
:focus-visible {
  outline: 2px solid hsl(var(--ring));
  outline-offset: 2px;
}

/* Ensure minimum touch targets on touch devices (WCAG 2.5.5 / Apple HIG) */
@media (pointer: coarse) {
  button, a, [role="button"], input, select, textarea,
  input[type="submit"], input[type="button"],
  .sidebar-link, .pagination a, .btn,
  a.btn {
    min-height: 44px;
    min-width: 44px;
  }
}

/* Reduce motion for vestibular disorders */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* High contrast mode support */
@media (forced-colors: active) {
  .btn, button {
    border: 1px solid ButtonText;
  }
}

/* Safe areas for notch devices (iPhone, etc.) */
body {
  padding-top: env(safe-area-inset-top);
  padding-bottom: env(safe-area-inset-bottom);
  padding-left: env(safe-area-inset-left);
  padding-right: env(safe-area-inset-right);
}

/* Fixed elements respect safe areas */
#sidebar, .fixed-sidebar {
  padding-top: env(safe-area-inset-top);
  padding-bottom: env(safe-area-inset-bottom);
}

header, .fixed-header {
  padding-top: env(safe-area-inset-top);
}

/* Screen reader only utility */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}
.sr-only:focus, .sr-only.focus\:not-sr-only:focus {
  position: static;
  width: auto;
  height: auto;
  padding: 0.5rem 1rem;
  margin: 0;
  overflow: visible;
  clip: auto;
  white-space: normal;
}