html {
  font-size: 14px;
}

@media (min-width: 768px) {
  html {
    font-size: 16px;
  }
}

/* Focus indicators — WCAG 2.1 AA (visible focus ring for keyboard navigation) */
.btn:focus,
.btn:active:focus,
.btn-link.nav-link:focus,
.form-control:focus,
.form-check-input:focus,
.form-select:focus,
a:focus {
  box-shadow: 0 0 0 0.1rem white, 0 0 0 0.25rem #258cfb;
  outline: 2px solid #258cfb;
  outline-offset: 2px;
}

/* Skip to main content link — WCAG 2.1 AA */
.skip-link {
  position: absolute;
  top: -40px;
  left: 0;
  background: #000;
  color: #fff;
  padding: 8px 16px;
  z-index: 9999;
  font-size: 14px;
  transition: top 0.2s;
}
.skip-link:focus {
  top: 0;
}

html {
  position: relative;
  min-height: 100%;
}

body {
  margin-bottom: 60px;
}

/* Ensure minimum touch target size (44x44px) — WCAG 2.1 AA */
.btn-sm {
  min-height: 36px;
  min-width: 36px;
}

/* High contrast for text-muted — ensure 4.5:1 ratio */
.text-muted {
  color: #595959 !important;
}

/* Improve table row hover contrast */
.table-hover tbody tr:hover {
  background-color: rgba(0, 0, 0, 0.06);
}

/* Ensure links are distinguishable (not just by color) */
a:not(.btn):not(.nav-link):not(.list-group-item) {
  text-decoration: underline;
}
a:not(.btn):not(.nav-link):not(.list-group-item):hover {
  text-decoration: none;
}

/* Focus-visible for modern browsers (keyboard-only focus) */
:focus-visible {
  outline: 2px solid #258cfb;
  outline-offset: 2px;
}

/* Reduced motion preference */
@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;
  }
}