/**
 * Functions: Accessibility improvements for nemov.cz
 * - Focus indicators
 * - High contrast mode support  
 * - Skip links
 * - Screen reader improvements
 */

/* Focus indicators */
a:focus,
button:focus,
input:focus,
textarea:focus,
select:focus,
[tabindex]:focus {
  outline: 3px solid #007bff;
  outline-offset: 2px;
  box-shadow: 0 0 0 3px rgba(0, 123, 255, 0.25);
}

/* Skip link */
.skip-link {
  position: absolute;
  top: -40px;
  left: 6px;
  background: #000;
  color: #fff;
  padding: 8px;
  z-index: 1000;
  text-decoration: none;
  border-radius: 0 0 4px 4px;
}

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

/* High contrast improvements */
@media (prefers-contrast: high) {
  .btn-primary {
    background-color: #000;
    border-color: #000;
    color: #fff;
  }
  
  .btn-primary:hover {
    background-color: #333;
    border-color: #333;
  }
  
  .text-muted {
    color: #333 !important;
  }
}

/* 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;
}

/* Better contrast for links */
a {
  color: #0056b3;
}

a:hover {
  color: #004085;
  text-decoration: underline;
}

/* Form improvements */
.form-control:focus {
  border-color: #007bff;
  box-shadow: 0 0 0 0.2rem rgba(0, 123, 255, 0.25);
}

/* Button improvements */
.btn {
  min-height: 44px; /* Touch target size */
  min-width: 44px;
  cursor: pointer;
}

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

/* Reduce motion for users who prefer it */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}