/* EU Accessibility Act Compliance Styles */

/* Skip Navigation Links */
.skip-link {
    position: absolute;
    top: -40px;
    left: 6px;
    background: #000;
    color: #fff;
    padding: 8px 16px;
    text-decoration: none;
    z-index: 9999;
    border-radius: 0 0 4px 4px;
    font-weight: 600;
    transition: all 0.3s ease;
}

.skip-link:focus {
    top: 0;
    outline: 2px solid #ffff00;
    outline-offset: 2px;
    color: #fff;
    text-decoration: none;
}

.skip-link:hover {
    background: #333;
    color: #fff;
    text-decoration: none;
}

/* Screen Reader Only Content */
.sr-only {
    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;
    white-space: nowrap !important;
    border: 0 !important;
}

.sr-only-focusable:focus {
    position: static !important;
    width: auto !important;
    height: auto !important;
    padding: inherit !important;
    margin: inherit !important;
    overflow: visible !important;
    clip: auto !important;
    white-space: normal !important;
}

/* Enhanced Focus Indicators - EU Accessibility Act Requirement */
*:focus {
    outline: 2px solid #0056b3 !important;
    outline-offset: 2px !important;
}

/* Specific focus styles for interactive elements */
button:focus,
a:focus,
input:focus,
select:focus,
textarea:focus,
[tabindex]:focus {
    outline: 2px solid #0056b3 !important;
    outline-offset: 2px !important;
    box-shadow: 0 0 0 4px rgba(0, 86, 179, 0.25) !important;
}

/* Bootstrap button focus override */
.btn:focus {
    outline: 2px solid #0056b3 !important;
    outline-offset: 2px !important;
    box-shadow: 0 0 0 4px rgba(0, 86, 179, 0.25) !important;
}

/* Card and link focus styles */
.card:focus-within {
    outline: 2px solid #0056b3;
    outline-offset: 2px;
}

/* Navigation focus styles */
.navbar-nav .nav-link:focus {
    outline: 2px solid #0056b3 !important;
    outline-offset: 2px !important;
    background-color: rgba(0, 86, 179, 0.1) !important;
}

/* Form focus enhancements */
.form-control:focus,
.form-select:focus,
.form-check-input:focus {
    border-color: #0056b3 !important;
    outline: 2px solid #0056b3 !important;
    outline-offset: 2px !important;
    box-shadow: 0 0 0 4px rgba(0, 86, 179, 0.25) !important;
}

/* Required field indicator */
.required::after {
    content: " *";
    color: #dc3545;
    font-weight: bold;
}

/* Error state styling */
.is-invalid:focus {
    outline-color: #dc3545 !important;
    box-shadow: 0 0 0 4px rgba(220, 53, 69, 0.25) !important;
}

/* Live regions for screen readers */
[aria-live] {
    position: absolute;
    left: -10000px;
    width: 1px;
    height: 1px;
    overflow: hidden;
}

/* High Contrast Mode Support */
@media (prefers-contrast: high) {
    * {
        background: Window !important;
        color: WindowText !important;
        border-color: WindowText !important;
    }

    a {
        color: LinkText !important;
    }

    button,
    input,
    select,
    textarea,
    .btn {
        background: ButtonFace !important;
        color: ButtonText !important;
        border: 2px solid ButtonText !important;
    }

    .btn-primary {
        background: Highlight !important;
        color: HighlightText !important;
        border-color: Highlight !important;
    }

    /* Ensure icons remain visible */
    .bi,
    .fas,
    .fa {
        color: currentColor !important;
    }
}

/* Reduced Motion Support - EU Accessibility Act Requirement */
@media (prefers-reduced-motion: reduce) {
    *,
    ::before,
    ::after {
        animation-delay: -1ms !important;
        animation-duration: 1ms !important;
        animation-iteration-count: 1 !important;
        background-attachment: initial !important;
        scroll-behavior: auto !important;
        transition-duration: 0s !important;
        transition-delay: 0s !important;
    }

    /* Exception for focus transitions - keep them for accessibility */
    *:focus {
        transition: outline 0.15s ease-in-out !important;
    }
}

/* Color Contrast Improvements */
.text-muted {
    color: #6c757d !important; /* Ensure 4.5:1 contrast ratio */
}

.text-secondary {
    color: #495057 !important; /* Ensure 4.5:1 contrast ratio */
}

/* Enhanced button states */
.btn:disabled,
.btn.disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.btn:disabled:focus,
.btn.disabled:focus {
    outline: 2px solid #6c757d !important;
    outline-offset: 2px !important;
}

/* Table accessibility improvements */
.table {
    caption-side: top;
}

.table caption {
    padding: 0.5rem;
    color: #495057;
    text-align: left;
    font-weight: 600;
}

/* Modal accessibility */
.modal:focus {
    outline: none;
}

.modal-dialog:focus {
    outline: 2px solid #0056b3;
    outline-offset: -2px;
}

/* Carousel accessibility */
.carousel-control-prev:focus,
.carousel-control-next:focus {
    outline: 2px solid #0056b3 !important;
    outline-offset: 2px !important;
}

.carousel-indicators [data-bs-target]:focus {
    outline: 2px solid #0056b3 !important;
    outline-offset: 2px !important;
}

/* Dropdown accessibility */
.dropdown-menu {
    border: 1px solid #dee2e6;
}

.dropdown-item:focus {
    outline: 2px solid #0056b3 !important;
    outline-offset: -2px !important;
    background-color: #f8f9fa !important;
}

/* Alert improvements */
.alert {
    border-left: 4px solid currentColor;
}

.alert-dismissible .btn-close:focus {
    outline: 2px solid currentColor !important;
    outline-offset: 2px !important;
}

/* Pagination accessibility */
.page-item .page-link:focus {
    outline: 2px solid #0056b3 !important;
    outline-offset: 2px !important;
    z-index: 3;
}

/* Badge and label improvements */
.badge {
    font-weight: 600;
    letter-spacing: 0.025em;
}

/* Spinner/loading state accessibility */
.spinner-border,
.spinner-grow {
    vertical-align: -0.125em;
}

/* Print styles for accessibility */
@media print {
    .skip-link,
    .sr-only {
        display: none !important;
    }

    a[href^="http"]:after {
        content: " (" attr(href) ")";
        font-size: 0.8em;
        color: #666;
    }
}

/* Dark mode accessibility improvements */
@media (prefers-color-scheme: dark) {
    .skip-link {
        background: #fff;
        color: #000;
    }

    .skip-link:focus {
        outline-color: #ffff00;
    }
}

/* Mobile accessibility improvements */
@media (max-width: 768px) {
    /* Larger touch targets */
    .btn,
    .nav-link,
    .dropdown-item {
        min-height: 44px;
        display: flex;
        align-items: center;
    }

    /* Better spacing for mobile */
    .skip-link {
        left: 8px;
        right: 8px;
        width: auto;
        text-align: center;
    }
}

/* Ensure proper heading hierarchy visibility */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: 0.5rem;
}

/* Accessibility helper classes */
.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;
    white-space: nowrap !important;
    border: 0 !important;
}

.visually-hidden-focusable:focus {
    position: static !important;
    width: auto !important;
    height: auto !important;
    padding: inherit !important;
    margin: inherit !important;
    overflow: visible !important;
    clip: auto !important;
    white-space: normal !important;
}

/* Focus trap styles for modals */
.focus-trap {
    outline: none;
}

/* Improved link styles */
a:not(.btn):not(.nav-link) {
    text-decoration: underline;
    text-decoration-thickness: 1px;
    text-underline-offset: 2px;
}

a:not(.btn):not(.nav-link):hover {
    text-decoration-thickness: 2px;
}

a:not(.btn):not(.nav-link):focus {
    text-decoration: none;
    outline: 2px solid #0056b3 !important;
    outline-offset: 2px !important;
    background-color: rgba(0, 86, 179, 0.1);
    border-radius: 2px;
    padding: 1px 2px;
}