/**
 * Accessibility Enhancements
 * Focus styles, keyboard navigation, and WCAG compliance
 */

/* ==================== FOCUS STYLES ==================== */

*:focus-visible {
  outline: 2px solid #4F46E5;
  outline-offset: 2px;
  border-radius: 4px;
}

button:focus-visible,
a:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 2px solid #4F46E5;
  outline-offset: 2px;
}

*:focus:not(:focus-visible) {
  outline: none;
}

/* ==================== SKIP LINK ==================== */

.skip-link {
  position: absolute;
  top: -100px;
  left: 0;
  background: #4F46E5;
  color: white;
  padding: 8px 16px;
  text-decoration: none;
  border-radius: 0 0 4px 0;
  z-index: 10000;
  transform: translateY(-100%);
}

.skip-link:focus {
  top: 0;
  transform: translateY(0);
}

/* ==================== SCREEN READER ONLY ==================== */

.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;
}

/* ==================== REDUCED MOTION ==================== */

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

/* ==================== TOUCH TARGETS ==================== */

button,
a {
  min-height: 44px;
  min-width: 44px;
}

/* ==================== FORM ACCESSIBILITY ==================== */

.form-error {
  color: #dc3545;
  font-size: 14px;
  margin-top: 4px;
  display: flex;
  align-items: center;
  gap: 4px;
}

.form-error::before {
  content: "⚠";
}

/* ==================== ARIA LIVE REGIONS ==================== */

[role="alert"] {
  padding: 12px;
  border-radius: 4px;
  margin: 8px 0;
  background: #f8d7da;
  color: #721c24;
  border: 1px solid #f5c6cb;
}