/* Accessibility Enhancements
   Focus on WCAG 2.1 AA Standards
   - Contrast ratio: 4.5:1 for normal text, 3:1 for large text
   - Keyboard navigation
   - Clear focus indicators
*/

/* Enhanced Focus States for Keyboard Navigation */
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 3px solid var(--color-primary);
  outline-offset: 2px;
}

/* Skip to main content link (for screen readers and keyboard users) */
.skip-to-main {
  position: absolute;
  top: -9999px;
  left: -9999px;
  background: var(--color-primary);
  color: white;
  padding: 8px 12px;
  text-decoration: none;
  z-index: 10000;
  border-radius: 4px;
  font-weight: 600;
}

.skip-to-main:focus {
  top: 10px;
  left: 10px;
  outline: 2px solid var(--color-white);
  outline-offset: 2px;
}

/* Ensure text has sufficient contrast on colored backgrounds */
.bg-primary p,
.bg-primary .body-large,
.bg-primary .body-small,
.bg-primary .body {
  color: white;
}

/* Improve link contrast in dark text */
.text-gray-700 a {
  color: var(--color-primary);
  text-decoration: underline;
  text-decoration-thickness: 2px;
  text-underline-offset: 4px;
}

.text-gray-700 a:hover {
  color: var(--color-primary-hover);
}

/* Ensure button text has minimum contrast */
.button-primary,
.button-secondary {
  min-height: 44px; /* WCAG touch target size */
  min-width: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

/* Enhanced focus ring for all interactive elements */
button,
a[href],
input,
select,
textarea {
  transition: outline-offset 0.2s ease;
}

button:focus-visible,
a[href]:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline-offset: 3px;
}

/* Improve contrast for disabled elements */
button:disabled,
input:disabled,
select:disabled,
textarea:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

/* Ensure form labels are associated */
label {
  font-weight: 600;
  margin-bottom: 0.5rem;
}

/* Improve heading contrast */
h1, h2, h3, h4, h5, h6 {
  color: var(--color-dark-blue);
  contrast: 7:1; /* WCAG AAA */
}

/* Ensure sufficient line height for readability */
p, .body, .body-large, .body-small {
  line-height: 1.5;
}

/* Remove focus outline from mouse users (for cleaner appearance)
   but keep for keyboard users */
:focus:not(:focus-visible) {
  outline: none;
}

/* Improve SVG icons contrast */
svg {
  color: inherit;
}

svg[aria-hidden="true"] {
  pointer-events: none;
}

/* Ensure details/summary elements are keyboard accessible */
details summary {
  cursor: pointer;
  user-select: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

details summary:focus-visible {
  outline: 3px solid var(--color-primary);
  outline-offset: 2px;
  border-radius: 4px;
}

/* Improve contrast for status messages */
.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;
}

/* Ensure links are visually distinct */
a:not([class]) {
  color: var(--color-primary);
  text-decoration: underline;
  text-decoration-color: var(--color-primary);
  text-underline-offset: 4px;
  text-decoration-thickness: 2px;
}

a:not([class]):visited {
  color: var(--color-primary-hover);
}

a:not([class]):hover {
  color: var(--color-primary-hover);
}

/* Prefers reduced motion */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* Ensure proper color contrast for form inputs */
input:not([type="hidden"]),
select,
textarea {
  border: 2px solid var(--color-border);
  border-radius: 0.375rem;
  padding: 0.5rem;
  font-family: inherit;
  font-size: 1rem;
}

input:not([type="hidden"]):focus,
select:focus,
textarea:focus {
  border-color: var(--color-primary);
  outline: none;
}

/* Improve badge contrast */
.badge {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  padding: 0.5rem 1rem;
}