/* Focus styles */
:focus {
    outline: 3px solid #007bff;
    outline-offset: 2px;
}

.visually-hidden {
    position: absolute !important;
    width: 1px !important;
    height: 1px !important;
    padding: 0 !important;
    margin: -1px !important;
    overflow: hidden !important;
    clip: rect(0, 0, 0, 0) !important;
    border: 0 !important;
    white-space: nowrap !important;
}

/* Skip to main content link */
.skip-to-main {
    position: absolute;
    left: -9999px;
    z-index: 999;
    padding: 1em;
    background-color: white;
    color: black;
    text-decoration: none;
}

.skip-to-main:focus {
    left: 50%;
    transform: translateX(-50%);
}

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

/* Visible focus for interactive elements */
.btn:focus,
.nav-link:focus {
    box-shadow: 0 0 0 0.25rem rgba(0, 123, 255, 0.5);
}

/* Better link underlines */
a:not(.btn):not(.nav-link) {
    text-decoration-thickness: 2px;
    text-underline-offset: 2px;
}

/* Improved form field focus */
.form-control:focus {
    border-color: #007bff;
    box-shadow: 0 0 0 0.25rem rgba(0, 123, 255, 0.25);
}

/* High contrast mode improvements */
@media (forced-colors: active) {
    .btn {
        border: 2px solid currentColor;
    }
    
    .card {
        border: 2px solid currentColor;
    }
}