/* ==========================================================================
   ACCESSIBILITY COMPONENTS
   Skip links, screen reader only content, focus management
   ========================================================================== */

/* Skip link for keyboard navigation - hidden by default, visible on focus */
.skip-link {
  position: absolute;
  top: -2.5rem; /* -40px */
  left: 0;
  background: #000;
  color: #fff;
  padding: 0.5rem; /* 8px */
  text-decoration: none;
  z-index: 100;
  border-radius: 0 0 0.25rem 0;
  font-weight: 600;
  transition: top 0.2s ease;
  clip: rect(0, 0, 0, 0);
  overflow: hidden;
}

.skip-link:focus {
  top: 0;
  outline: 3px solid #2563eb;
  outline-offset: 2px;
  clip: auto;
  overflow: visible;
}

.skip-link:focus-visible {
  top: 0;
  outline: 3px solid #2563eb;
  outline-offset: 2px;
  clip: auto;
  overflow: visible;
}

/* Screen reader only class */
.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;
}

/* ==========================================================================
   GLOBAL FOCUS STYLES
   Consistent focus indicators across all interactive elements
   ========================================================================== */

/* High contrast focus indicator for better visibility */
:focus-visible {
  outline: 3px solid #0f172a;
  outline-offset: 3px;
  box-shadow: 0 0 0 2px rgba(15, 23, 42, 0.35);
  border-radius: 0.1rem;
}

/* Remove default focus outline for mouse users, keep for keyboard */
:focus:not(:focus-visible) {
  outline: none;
  box-shadow: none;
}