/* ============================================================
   Accessibility Styles — NOC Platform Enterprise
   Requirements: 5.2, 5.3, 5.5
   ============================================================ */

/* Visually hidden but accessible to screen readers */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Skip-to-content link — hidden by default, visible on focus */
.skip-to-content {
  position: absolute;
  top: -40px;
  left: 0;
  z-index: 9999;
  background: #2B5797;
  color: #fff;
  padding: 8px 16px;
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  transition: top 0.2s ease;
}

.skip-to-content:focus {
  top: 0;
}

/* Visible keyboard focus indicator — enterprise primary accent */
.keyboard-focus {
  outline: 2px solid #2B5797;
  outline-offset: 2px;
  border-radius: 4px;
}