/* Skip Navigation */
.skip-link { position: absolute; top: -40px; left: 0; background: #1A237E; color: white; padding: 8px 16px; z-index: 10000; transition: top 0.3s; }
.skip-link:focus { top: 0; }
/* Focus indicators */
*:focus-visible { outline: 3px solid #FF6F00; outline-offset: 2px; }
/* High contrast */
@media (prefers-contrast: high) { :root { --primary-color: #0000EE; --text-color: #000000; } }
/* Reduced motion */
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; } }
/* Screen reader only */
.visually-hidden { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
/* Touch targets */
button, a, input[type="submit"], input[type="button"] { min-height: 44px; min-width: 44px; }
/* Contrast */
body { color: #1a1a1a; background-color: #ffffff; line-height: 1.6; }
label { display: block; margin-bottom: 4px; font-weight: 600; }