/**
 * Free WCAG Accessibility Suite - Remediation Styles
 * Always-on accessibility fixes applied to the frontend.
 * 
 * @package WP_Accessibility_Suite
 * @since 1.0.0
 */

/* ==========================================================================
   Focus Ring Enforcement
   WCAG 2.4.7 - Focus Visible
   ========================================================================== */

:focus {
    outline: 2px solid var(--wpa11y-focus-ring, #0066cc);
    outline-offset: 2px;
}

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

:focus-visible {
    outline: 2px solid var(--wpa11y-focus-ring, #0066cc);
    outline-offset: 2px;
}

@supports selector(:focus-visible) {
    a:focus-visible,
    button:focus-visible,
    input:focus-visible,
    select:focus-visible,
    textarea:focus-visible,
    [role="button"]:focus-visible,
    [tabindex]:focus-visible {
        outline: 2px solid var(--wpa11y-focus-ring, #0066cc);
        outline-offset: 2px;
        box-shadow: 0 0 0 4px rgba(0, 102, 204, 0.3);
    }
}

/* ==========================================================================
   Link Highlighting - WCAG 1.4.1
   ========================================================================== */

p a, li a, td a, dd a, figcaption a, blockquote a {
    text-decoration: underline;
    text-decoration-thickness: 1px;
    text-underline-offset: 2px;
}

p a:hover, li a:hover, td a:hover {
    text-decoration-thickness: 2px;
}

/* ==========================================================================
   Skip Links - WCAG 2.4.1
   ========================================================================== */

.wpa11y-skip-links {
    position: absolute;
    top: 0;
    left: 0;
    z-index: 100000;
}

.wpa11y-skip-link {
    position: absolute;
    top: -100px;
    left: 10px;
    padding: 12px 24px;
    background: #000;
    color: #fff;
    font-weight: 600;
    text-decoration: none;
    border-radius: 0 0 4px 4px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.3);
    transition: top 0.2s ease-in-out;
}

.wpa11y-skip-link:focus {
    top: 0;
    outline: 3px solid #ffff00;
    outline-offset: 2px;
}

/* Screen Reader Text */
.wpa11y-screen-reader-text,
.screen-reader-text {
    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;
}

/* ==========================================================================
   Target Size - WCAG 2.5.8
   ========================================================================== */

a, button, input[type="button"], input[type="submit"],
input[type="checkbox"], input[type="radio"], select,
[role="button"], [tabindex]:not([tabindex="-1"]) {
    min-height: 24px;
    min-width: 24px;
}

input[type="checkbox"], input[type="radio"] {
    width: 24px;
    height: 24px;
}

/* ==========================================================================
   Motion Control - WCAG 2.2.2, 2.3.1
   ========================================================================== */

@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 Support
   ========================================================================== */

@media (forced-colors: active) {
    :focus { outline: 3px solid CanvasText; }
    a { text-decoration: underline; }
    button, [role="button"] { border: 2px solid ButtonText; }
}