/**
 * RetaGuide Custom Styles
 *
 * @package RetaGuide
 * @since 1.0.0
 */

/* === Accessibility === */
.skip-link {
    position: absolute;
    left: -9999px;
    top: 0;
    z-index: 999999;
}

.skip-link:focus {
    left: 6px;
    top: 6px;
    background: #4FB3BF;
    color: #fff;
    padding: 10px 15px;
    text-decoration: none;
    border-radius: 3px;
}

/* Focus visible polyfill */
*:focus {
    outline: 2px solid #4FB3BF;
    outline-offset: 2px;
}

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

/* === Sticky Navigation === */
.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: #fff;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.wp-block-navigation {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.wp-block-navigation__responsive-container {
    width: 100%;
}

/* Pinned navigation items */
.pinned-nav-items {
    display: flex;
    gap: 1.5rem;
    margin-left: auto;
}

.pinned-nav-items a {
    color: var(--wp--preset--color--dark-gray);
    text-decoration: none;
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: 4px;
    transition: all 0.2s ease;
}

.pinned-nav-items a:hover {
    background: var(--wp--preset--color--light-blue);
    color: var(--wp--preset--color--primary-blue);
}

/* === Disclaimer Banner === */
.disclaimer-banner {
    background: #FFF3CD;
    border-left: 4px solid #F57C00;
    padding: 1.5rem;
    margin: 2rem 0;
    border-radius: 4px;
}

.disclaimer-banner.alert {
    background: #FFEBEE;
    border-left-color: #D32F2F;
}

.disclaimer-banner h3 {
    margin-top: 0;
    color: #2B2B2B;
    font-size: 1.125rem;
}

.disclaimer-banner p:last-child {
    margin-bottom: 0;
}

/* === Breadcrumbs === */
.breadcrumbs {
    padding: 1rem 0;
    font-size: 0.875rem;
    color: #666;
}

.breadcrumbs a {
    color: #4FB3BF;
    text-decoration: none;
}

.breadcrumbs a:hover {
    text-decoration: underline;
}

.breadcrumbs .separator {
    margin: 0 0.5rem;
    color: #999;
}

/* === Article Cards === */
.article-card {
    background: #fff;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.article-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
}

.article-card-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.article-card-content {
    padding: 1.5rem;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.article-card-meta {
    display: flex;
    gap: 1rem;
    font-size: 0.875rem;
    color: #666;
    margin-bottom: 0.5rem;
}

.article-card-category {
    background: var(--wp--preset--color--light-blue);
    color: var(--wp--preset--color--primary-blue);
    padding: 0.25rem 0.75rem;
    border-radius: 12px;
    font-weight: 500;
    text-decoration: none;
}

.article-card-title {
    font-size: 1.25rem;
    margin: 0.5rem 0;
    line-height: 1.3;
}

.article-card-title a {
    color: var(--wp--preset--color--dark-gray);
    text-decoration: none;
}

.article-card-title a:hover {
    color: var(--wp--preset--color--primary-blue);
}

.article-card-excerpt {
    color: #666;
    line-height: 1.6;
    margin-top: 0.75rem;
    flex-grow: 1;
}

.article-card-footer {
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid #eee;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* === Guide Level Badge === */
.guide-level-badge {
    display: inline-block;
    padding: 0.375rem 0.875rem;
    border-radius: 16px;
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.guide-level-badge.beginner {
    background: var(--wp--preset--color--light-green);
    color: var(--wp--preset--color--dark-green);
}

.guide-level-badge.protocol {
    background: var(--wp--preset--color--light-blue);
    color: var(--wp--preset--color--primary-blue);
}

.guide-level-badge.safety {
    background: #FFEBEE;
    color: #D32F2F;
}

/* === Last Reviewed Label === */
.last-reviewed {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    color: #666;
    padding: 0.5rem 1rem;
    background: var(--wp--preset--color--light-blue);
    border-radius: 4px;
    margin: 1rem 0;
}

.last-reviewed::before {
    content: "✓";
    font-weight: bold;
    color: var(--wp--preset--color--primary-blue);
}

/* === Callout Boxes === */
.callout {
    padding: 1.5rem;
    border-radius: 8px;
    margin: 2rem 0;
    border-left: 4px solid;
}

.callout-safety {
    background: #FFEBEE;
    border-left-color: #D32F2F;
}

.callout-safety h3 {
    color: #D32F2F;
}

.callout-takeaways {
    background: var(--wp--preset--color--light-blue);
    border-left-color: var(--wp--preset--color--primary-blue);
}

.callout-takeaways h3 {
    color: var(--wp--preset--color--primary-blue);
}

.callout-reading {
    background: var(--wp--preset--color--light-green);
    border-left-color: var(--wp--preset--color--dark-green);
}

.callout-reading h3 {
    color: var(--wp--preset--color--dark-green);
}

.callout h3 {
    margin-top: 0;
    font-size: 1.125rem;
}

.callout ul {
    margin-bottom: 0;
}

/* === Footer === */
.site-footer {
    background: var(--wp--preset--color--dark-gray);
    color: #fff;
    padding: 3rem 0 1.5rem;
    margin-top: 4rem;
}

.site-footer a {
    color: var(--wp--preset--color--light-blue);
}

.site-footer a:hover {
    color: var(--wp--preset--color--primary-blue);
}

/* === Pagination === */
.wp-block-query-pagination {
    display: flex;
    gap: 0.5rem;
    justify-content: center;
    margin: 3rem 0;
}

.wp-block-query-pagination a,
.wp-block-query-pagination .page-numbers {
    padding: 0.5rem 1rem;
    border: 1px solid var(--wp--preset--color--primary-blue);
    border-radius: 4px;
    text-decoration: none;
    color: var(--wp--preset--color--primary-blue);
    transition: all 0.2s ease;
}

.wp-block-query-pagination a:hover {
    background: var(--wp--preset--color--primary-blue);
    color: #fff;
}

.wp-block-query-pagination .current {
    background: var(--wp--preset--color--primary-blue);
    color: #fff;
}

/* === Responsive === */
@media (max-width: 768px) {
    .pinned-nav-items {
        flex-direction: column;
        gap: 0.5rem;
    }

    .article-card-footer {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }

    .site-header {
        position: relative;
    }
}

/* === Print Styles === */
@media print {
    .site-header,
    .site-footer,
    .wp-block-navigation,
    .pinned-nav-items {
        display: none;
    }

    body {
        background: white;
        color: black;
    }

    .disclaimer-banner {
        border: 2px solid #000;
    }
}

/* === Loading States === */
.loading {
    opacity: 0.6;
    pointer-events: none;
}

/* === Lazy Load Images === */
img[loading="lazy"] {
    opacity: 0;
    transition: opacity 0.3s ease;
}

img[loading="lazy"].loaded {
    opacity: 1;
}