/* Accessibility Styles */
/* Focus indicators */
*:focus {
    outline: 2px solid #007bff;
    outline-offset: 2px;
}

/* Skip links */
.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;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    .btn-primary {
        background-color: #000;
        border-color: #000;
        color: #fff;
    }
    
    .btn-secondary {
        background-color: #fff;
        border-color: #000;
        color: #000;
    }
}

/* 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;
    }
}

/* 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;
}

/* ARIA live regions */
.aria-live {
    position: absolute;
    left: -10000px;
    width: 1px;
    height: 1px;
    overflow: hidden;
}

/* Color contrast improvements */
.text-muted {
    color: #6c757d !important;
}

/* Link accessibility */
a:not(.btn) {
    text-decoration: underline;
}

a:not(.btn):hover {
    text-decoration: none;
}

/* Form accessibility */
.form-label {
    font-weight: 600;
}

.form-control:invalid {
    border-color: #dc3545;
}

.form-control:valid {
    border-color: #28a745;
}

/* Error messages */
.invalid-feedback {
    display: block;
    color: #dc3545;
    font-size: 0.875rem;
    margin-top: 0.25rem;
}