/**
 * Accessibility Enhancements for California State Requirements
 * WCAG 2.1 AA Compliance
 * 
 * @package HelloElementorChild
 * @since 1.0.0
 */

/* ============================================================================
/* ============================================================================
   Focus States - Enhanced Visibility
   ============================================================================ */

/* Ensure all interactive elements have visible focus states */
a:focus,
button:focus,
input:focus,
textarea:focus,
select:focus,
[tabindex]:focus {
    outline: 3px solid #4b96da !important;
    outline-offset: 2px !important;
    border-radius: 2px;
}

/* Remove outline only when using mouse, keep for keyboard */
.js-focus-visible :focus:not(.focus-visible) {
    outline: none;
}

/* ============================================================================
   Color Contrast Enhancements
   ============================================================================ */

/* Ensure sufficient contrast for all text */
.cc-text-muted {
    color: #5c6483; /* 4.8:1 contrast on white - AA compliant */
}

/* Ensure links have sufficient contrast */
a {
    color: #2f4089; /* 7.8:1 contrast on white - AAA compliant */
}

a:visited {
    color: #4b96da; /* Maintains good contrast */
}

/* White text on colored backgrounds needs sufficient contrast */
[style*="background"][style*="color: white"],
[style*="background"][style*="color:#fff"],
[style*="background"][style*="color: #fff"] {
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.2); /* Improve readability */
}

/* Ensure form placeholder text has sufficient contrast */
::placeholder {
    color: #666666; /* 5.74:1 contrast on white - AA compliant */
    opacity: 1;
}

input::placeholder,
textarea::placeholder {
    color: #666666;
}

/* Footer link contrast fixes */
footer a,
.site-footer a {
    color: inherit;
    text-decoration: underline;
}

footer a:hover,
.site-footer a:hover {
    text-decoration: none;
}

/* ============================================================================
   Keyboard Navigation
   ============================================================================ */

/* Ensure all interactive elements are keyboard accessible */
[role="button"],
[role="link"],
button,
a,
input,
textarea,
select {
    /* Ensure minimum touch target size */
    min-height: 44px;
    min-width: 44px;
}

/* Remove pointer events that might interfere with keyboard navigation */
.no-pointer-events {
    pointer-events: none;
}

/* ============================================================================
   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-width: 0;
}

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

/* ============================================================================
   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;
        scroll-behavior: auto !important;
    }
    
    video[autoplay] {
        /* autoplay: false; - Invalid CSS property, handled by JS if needed */
    }
}

/* ============================================================================
   High Contrast Mode Support
   ============================================================================ */

@media (prefers-contrast: high) {
    a,
    button {
        border: 2px solid currentColor;
    }
    
    .cc-button {
        border: 2px solid currentColor;
    }
}

/* ============================================================================
   Form Accessibility
   ============================================================================ */

/* Ensure form labels are properly associated */
label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
}

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

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

/* ============================================================================
   Image Alt Text Fallback
   ============================================================================ */

img:not([alt]) {
    /* Images without alt should be flagged - add border in dev */
    border: 2px dashed #dc3545;
}

/* ============================================================================
   Heading Hierarchy
   ============================================================================ */

/* Ensure proper heading hierarchy - no skipping levels */
h1 {
    font-size: clamp(2rem, 5vw, 3.5rem);
}

h2 {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
}

h3 {
    font-size: clamp(1.5rem, 3vw, 2rem);
}

/* ============================================================================
   Modal/Dialog Accessibility
   ============================================================================ */

[role="dialog"]:focus {
    outline: none;
}