/* Accessibility Improvements */

/* Skip link */
.skip-link {
  position: absolute;
  top: -40px;
  left: 6px;
  background: #000;
  color: #fff;
  padding: 8px;
  text-decoration: none;
  z-index: 9999;
  border-radius: 0 0 4px 4px;
  font-weight: bold;
}

.skip-link:focus {
  top: 0;
}

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

/* Improved focus styles */
a:focus,
button:focus,
input:focus,
textarea:focus,
select:focus,
.top:focus,
.menu-icon:focus,
.search-icon:focus {
  outline: 3px solid #0078d4;
  outline-offset: 2px;
  background-color: rgba(0, 120, 212, 0.1);
}

/* High contrast mode support */
@media (prefers-contrast: high) {
  a:focus,
  button:focus,
  input:focus,
  textarea:focus,
  select:focus {
    outline: 3px solid;
    outline-offset: 2px;
  }
}

/* Reduced motion support */
@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;
  }
}

/* Better button accessibility */
.top,
.menu-icon,
.search-icon,
.search-icon-close {
  cursor: pointer;
  border: none;
  background: transparent;
  padding: 8px;
}

.top:hover,
.top:focus,
.menu-icon:hover,
.menu-icon:focus,
.search-icon:hover,
.search-icon:focus {
  opacity: 0.8;
  transform: scale(1.05);
}

/* Enhanced search form accessibility */
.search-form label[for="search-input"] {
  display: block;
  margin-bottom: 4px;
  font-weight: bold;
}

.search-form input:focus {
  border: 2px solid #0078d4;
  box-shadow: 0 0 0 2px rgba(0, 120, 212, 0.3);
}

/* Improve link contrast and readability */
a {
  text-decoration-skip-ink: auto;
  text-underline-offset: 2px;
}

a:hover {
  text-decoration: underline;
}

/* Better spacing for screen readers */
.post-card-title {
  margin: 0 0 8px 0;
}

/* Improved heading hierarchy styles */
h1, h2, h3, h4, h5, h6 {
  margin-top: 1.5em;
  margin-bottom: 0.5em;
  line-height: 1.2;
}

h1:first-child,
h2:first-child,
h3:first-child,
h4:first-child,
h5:first-child,
h6:first-child {
  margin-top: 0;
}

/* Ensure minimum touch target size for mobile */
@media (max-width: 768px) {
  .post-card-link,
  .top,
  button,
  input[type="submit"],
  input[type="button"],
  .menu-icon,
  .search-icon {
    min-height: 44px;
    min-width: 44px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }
}

/* Dark mode accessibility improvements */
@media (prefers-color-scheme: dark) {
  .skip-link {
    background: #fff;
    color: #000;
  }
  
  a:focus,
  button:focus,
  input:focus,
  textarea:focus,
  select:focus {
    outline-color: #00d4ff;
    background-color: rgba(0, 212, 255, 0.1);
  }
}

/* Focus management for modal dialogs */
.search-box[aria-modal="true"] {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 1000;
}

/* Keyboard navigation improvements */
.main-nav ul li a:focus,
.footer-nav a:focus {
  outline: 2px solid #0078d4;
  outline-offset: 2px;
  text-decoration: underline;
}

/* Improve form error states */
input:invalid {
  border-color: #d13438;
  box-shadow: 0 0 0 2px rgba(209, 52, 56, 0.3);
}

input:invalid:focus {
  outline-color: #d13438;
}