/* WCAG 2.1 AA Accessibility Enhancements */

/* Focus indicators — visible on all interactive elements */
:focus-visible {
  outline: 3px solid #2d6a4f;
  outline-offset: 2px;
  border-radius: 4px;
}

button:focus-visible,
a:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 3px solid #2d6a4f;
  outline-offset: 2px;
  box-shadow: 0 0 0 4px rgba(45,106,79,0.2);
}

/* Skip to content link */
.skip-link { position:absolute; top:-40px; left:0; background:#2d6a4f; color:#fff; padding:8px 16px; z-index:9999; transition:top 0.2s; }
.skip-link:focus { top:0; }

/* Ensure minimum contrast ratios (4.5:1 for normal text, 3:1 for large) */
.low-contrast-fix {
  color: #1a1a1a !important;
}

/* Touch targets — minimum 44x44px */
button, a, input[type="checkbox"], input[type="radio"], select {
  min-height: 44px;
  min-width: 44px;
}

/* Reduced motion */
@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) {
  button, a {
    border: 1px solid ButtonText;
  }
  :focus-visible {
    outline: 3px solid Highlight;
  }
}

/* Screen reader only content */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Ensure form labels are always visible */
label {
  display: block;
  margin-bottom: 4px;
  font-weight: 600;
}

/* Link underlines for accessibility */
a:not([class]) {
  text-decoration: underline;
  text-underline-offset: 2px;
}

/* Error states */
[aria-invalid="true"] {
  border-color: #e53e3e !important;
  box-shadow: 0 0 0 3px rgba(229,62,62,0.2);
}

/* Live region announcements */
[role="status"],
[role="alert"],
[aria-live] {
  contain: paint;
}