/**
 * Global Accessibility Styles
 * WCAG 2.1 Level AA Compliance
 */

/* Screen reader only - visually hidden but accessible */
.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;
}

/* Skip link for keyboard navigation */
.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: #B48434;
    color: white;
    padding: 8px 16px;
    z-index: 9999;
    font-weight: 600;
    text-decoration: none;
    transition: top 0.2s ease;
}

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

/* ═══════════════════════════════════════════════════════════════════
   KEYBOARD FOCUS STYLES
   All interactive elements must show visible focus indicator
   ═══════════════════════════════════════════════════════════════════ */

/* Base focus style (fallback for all browsers) */
a:focus,
button:focus,
input:focus,
select:focus,
textarea:focus,
[tabindex]:focus,
[role="button"]:focus,
[role="link"]:focus,
[role="menuitem"]:focus {
    outline: 3px solid #B48434 !important;
    outline-offset: 3px !important;
    box-shadow: 0 0 0 6px rgba(180, 132, 52, 0.25) !important;
}

/* For browsers that support focus-visible, only show on keyboard navigation */
@supports selector(:focus-visible) {
    /* Remove outline on mouse focus */
    a:focus:not(:focus-visible),
    button:focus:not(:focus-visible),
    [tabindex]:focus:not(:focus-visible),
    [role="button"]:focus:not(:focus-visible) {
        outline: none !important;
    }

    /* Show outline on keyboard focus */
    a:focus-visible,
    button:focus-visible,
    input:focus-visible,
    select:focus-visible,
    textarea:focus-visible,
    [tabindex]:focus-visible,
    [role="button"]:focus-visible,
    [role="link"]:focus-visible,
    [role="menuitem"]:focus-visible {
        outline: 2px solid #B48434 !important;
        outline-offset: 2px !important;
    }
}

/* Ensure links with href="#" are focusable and show focus */
a[href]:focus {
    outline: 2px solid #B48434 !important;
    outline-offset: 2px !important;
}

@supports selector(:focus-visible) {
    a[href]:focus:not(:focus-visible) {
        outline: none !important;
    }
    a[href]:focus-visible {
        outline: 2px solid #B48434 !important;
        outline-offset: 2px !important;
    }
}

/* Ensure sufficient touch target size (WCAG 2.5.5) */
button,
a.touch-manipulation,
[role="button"] {
    min-height: 24px;
    min-width: 24px;
}

/* Reduce motion for users who prefer it */
@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 (prefers-contrast: high) {
    a:focus,
    button:focus,
    a:focus-visible,
    button:focus-visible {
        outline: 3px solid currentColor !important;
        outline-offset: 3px !important;
    }
}

/* Dark section focus visibility */
.dark-section a:focus,
.dark-section button:focus,
[class*="bg-dark"] a:focus,
[class*="bg-dark"] button:focus {
    outline-color: #e8c589 !important;
}

@supports selector(:focus-visible) {
    .dark-section a:focus-visible,
    .dark-section button:focus-visible,
    [class*="bg-dark"] a:focus-visible,
    [class*="bg-dark"] button:focus-visible {
        outline-color: #e8c589 !important;
    }
}