/* Accessibility Improvements */

/* 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;
}

/* Focus indicators */
.focus-visible:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible,
a:focus-visible {
    outline: 2px solid #007bff;
    outline-offset: 2px;
    box-shadow: 0 0 0 4px rgba(0, 123, 255, 0.25);
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    .modern-btn {
        border: 2px solid;
    }
    
    .modern-card {
        border: 1px solid;
    }
}

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

/* Color contrast improvements */
.text-gray {
    color: #4a5568; /* Improved contrast */
}

.bg-warning {
    background-color: #f6e05e;
    color: #2d3748;
}

.bg-error {
    background-color: #fed7d7;
    color: #c53030;
}

/* Keyboard navigation improvements */
.modern-btn:focus,
.modern-form-input:focus,
.modern-form-select:focus {
    z-index: 10;
    position: relative;
}

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

.skip-link:focus {
    top: 6px;
}