/* =======================
   ACCESSIBILITY ENHANCEMENTS
   ======================= */

/* Skip Links */
.skip-links {
    position: fixed;
    top: -100%;
    left: 0;
    right: 0;
    z-index: 10000;
    background: #E33E10;
    color: #fff;
    padding: 12px 20px;
    text-align: center;
    transition: top 0.3s;
}

.skip-links:focus {
    top: 0;
}

.skip-links a {
    color: #fff;
    text-decoration: none;
    font-weight: 600;
    font-size: 16px;
}

/* Focus States */
*:focus {
    outline: 2px solid #E33E10;
    outline-offset: 2px;
}

*:focus:not(:focus-visible) {
    outline: none;
}

*:focus-visible {
    outline: 2px solid #E33E10;
    outline-offset: 2px;
}

/* Buttons Focus */
button:focus-visible,
a:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
    outline: 2px solid #E33E10;
    outline-offset: 2px;
}

/* Screen Reader Only */
.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;
}

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

/* High Contrast Mode */
@media (prefers-contrast: high) {
    * {
        border-width: 2px !important;
    }

    .btn {
        border: 2px solid currentColor !important;
    }

    .notification {
        border: 2px solid currentColor !important;
    }
}

/* Keyboard Navigation */
.keyboard-nav-visible {
    outline: 2px solid #E33E10;
    outline-offset: 2px;
}

/* Tab Order */
[tabindex="-1"] {
    outline: none;
}

/* ARIA Live Regions */
[aria-live="polite"],
[aria-live="assertive"] {
    position: relative;
}

/* Color Contrast Improvements */
.text-high-contrast {
    color: #000000;
}

.bg-high-contrast {
    background: #ffffff;
}

/* Form Accessibility */
.form-group input[aria-invalid="true"],
.form-group select[aria-invalid="true"],
.form-group textarea[aria-invalid="true"] {
    border-color: #ef4444;
    background: #fef2f2;
}

.form-group input[aria-invalid="false"],
.form-group select[aria-invalid="false"],
.form-group textarea[aria-invalid="false"] {
    border-color: #10b981;
    background: #f0fdf4;
}

/* Error Messages */
[role="alert"] {
    color: #ef4444;
    font-weight: 600;
    margin-top: 4px;
}

/* Success Messages */
[role="status"] {
    color: #10b981;
    font-weight: 600;
    margin-top: 4px;
}

/* Link Accessibility */
a:focus {
    text-decoration: underline;
}

a[aria-current="page"] {
    font-weight: 700;
    color: #E33E10;
}

/* Button Accessibility */
button[aria-pressed="true"] {
    background: #E33E10;
    color: #fff;
}

button[aria-pressed="false"] {
    background: #f3f4f6;
    color: #374151;
}

/* Modal Accessibility */
[role="dialog"] {
    z-index: 10000;
}

[role="dialog"][aria-modal="true"] {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

/* Table Accessibility */
table {
    border-collapse: collapse;
    width: 100%;
}

th,
td {
    padding: 12px;
    text-align: right;
    border: 1px solid #e5e7eb;
}

th {
    background: #f9fafb;
    font-weight: 600;
}

caption {
    caption-side: bottom;
    text-align: center;
    font-size: 14px;
    color: #6b7280;
    margin-top: 8px;
}

/* List Accessibility */
ul[role="list"],
ol[role="list"] {
    list-style: none;
    padding: 0;
}

/* Navigation Accessibility */
nav[role="navigation"] ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

nav[role="navigation"] li {
    margin: 0;
}

/* Breadcrumb Accessibility */
[role="navigation"][aria-label="Breadcrumb"] ol {
    display: flex;
    list-style: none;
    padding: 0;
    margin: 0;
    gap: 8px;
}

[role="navigation"][aria-label="Breadcrumb"] li::after {
    content: '/';
    margin-right: 8px;
    color: #6b7280;
}

[role="navigation"][aria-label="Breadcrumb"] li:last-child::after {
    content: '';
}

/* Search Accessibility */
[role="search"] input {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid #e5e7eb;
    border-radius: 8px;
    font-size: 15px;
}

[role="search"] input:focus {
    outline: 2px solid #E33E10;
    outline-offset: 2px;
}

/* Tab Accessibility */
[role="tablist"] {
    display: flex;
    list-style: none;
    padding: 0;
    margin: 0;
    border-bottom: 2px solid #e5e7eb;
}

[role="tab"] {
    padding: 12px 20px;
    background: transparent;
    border: none;
    border-bottom: 2px solid transparent;
    cursor: pointer;
    font-size: 15px;
    font-weight: 500;
    color: #6b7280;
    transition: all 0.3s;
}

[role="tab"][aria-selected="true"] {
    color: #E33E10;
    border-bottom-color: #E33E10;
    font-weight: 600;
}

[role="tab"]:focus {
    outline: 2px solid #E33E10;
    outline-offset: -2px;
}

/* Accordion Accessibility */
[role="region"][aria-expanded="false"] {
    display: none;
}

[role="region"][aria-expanded="true"] {
    display: block;
}

/* Carousel Accessibility */
[role="region"][aria-roledescription="carousel"] {
    position: relative;
}

[role="region"][aria-roledescription="carousel"] [aria-label="Previous"],
[role="region"][aria-roledescription="carousel"] [aria-label="Next"] {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(0, 0, 0, 0.5);
    color: #fff;
    border: none;
    padding: 12px 16px;
    cursor: pointer;
    z-index: 10;
}

[role="region"][aria-roledescription="carousel"] [aria-label="Previous"] {
    right: 10px;
}

[role="region"][aria-roledescription="carousel"] [aria-label="Next"] {
    left: 10px;
}

/* Responsive Accessibility */
@media (max-width: 768px) {
    .skip-links {
        padding: 10px 16px;
    }

    .skip-links a {
        font-size: 14px;
    }
}

/* Dark Mode Accessibility */
@media (prefers-color-scheme: dark) {
    *:focus-visible {
        outline-color: #ff6b4a;
    }

    .text-high-contrast {
        color: #ffffff;
    }

    .bg-high-contrast {
        background: #000000;
    }
}