/**
 * Custom styles for Lewis and Clark Research Database
 *
 * @package Lewis_Clark_Research
 * @since 1.0.0
 */

/* === Home Page Styles === */
.home-page .hero-section {
    background: linear-gradient(135deg, var(--color-primary) 0%, #1a3312 100%);
    color: var(--color-white);
    padding: var(--spacing-xl) 0;
    text-align: center;
}

.home-page .hero-title {
    font-size: 3rem;
    margin-bottom: var(--spacing-sm);
    color: var(--color-white);
}

.home-page .hero-description {
    font-size: 1.25rem;
    opacity: 0.9;
    max-width: 600px;
    margin: 0 auto var(--spacing-lg);
}

.home-page .hero-search {
    max-width: 600px;
    margin: 0 auto;
}

.home-page .hero-search .search-form {
    display: flex;
    gap: var(--spacing-xs);
}

.home-page .hero-search .search-field {
    flex: 1;
    padding: var(--spacing-sm);
    font-size: 1rem;
    border: none;
    border-radius: 4px;
}

.home-page .hero-search .search-submit {
    background-color: var(--color-accent);
    border-color: var(--color-accent);
    color: var(--color-dark);
}

.home-page .hero-search .search-submit:hover {
    background-color: var(--color-white);
    border-color: var(--color-white);
}

/* Featured Section */
.home-page .featured-section {
    padding: var(--spacing-xl) 0;
    background-color: var(--color-dark-light);
}

.home-page .section-title {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.home-page .featured-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
}

.home-page .featured-card {
    display: flex;
    flex-direction: column;
}

.home-page .featured-card .card-thumbnail img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-radius: 8px 8px 0 0;
}

.home-page .featured-card .card-content {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.home-page .featured-card .card-excerpt {
    flex: 1;
}

.home-page .featured-card .card-link {
    margin-top: auto;
    font-weight: 600;
}

/* CTA Section */
.home-page .cta-section {
    background-color: var(--color-secondary);
    color: var(--color-white);
    padding: var(--spacing-xl) 0;
    text-align: center;
}

.home-page .cta-section h2 {
    color: var(--color-white);
}

.home-page .cta-content {
    max-width: 700px;
    margin: 0 auto;
}

/* Page Content Section */
.home-page .page-content-section {
    padding: var(--spacing-xl) 0;
}

.home-page .page-content-section .page-content {
    max-width: 800px;
    margin: 0 auto;
}

/* === Posts Grid === */
.posts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
}

/* === Search Results === */
/* Search results grid is handled in style.css */

.search-result .post-type-label {
    display: inline-block;
    background-color: var(--color-primary);
    color: var(--color-white);
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 0.75rem;
    text-transform: uppercase;
}

/* === Content Area Layout === */
/* Sidebar layout disabled - using full width layout */

/* === Entry Thumbnail === */
.entry-thumbnail {
    margin-bottom: var(--spacing-md);
}

.entry-thumbnail img {
    width: 100%;
    height: auto;
    border-radius: 8px;
}

/* === Post Navigation === */
.post-navigation {
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--color-border);
}

.post-navigation .nav-links {
    display: flex;
    justify-content: space-between;
    gap: var(--spacing-md);
}

.post-navigation .nav-subtitle {
    display: block;
    font-size: 0.875rem;
    color: var(--color-text-light);
}

.post-navigation .nav-title {
    font-weight: 600;
}

/* === Comments === */
.comments-area {
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--color-border);
}

.comment-list {
    list-style: none;
    padding: 0;
}

.comment-list .comment {
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    background-color: var(--color-dark-lighter);
    border: 1px solid var(--border-color);
    border-radius: 8px;
}

/* === Error 404 === */
.error-404 {
    text-align: center;
    padding: var(--spacing-xl) 0;
}

.error-404 .search-form {
    max-width: 400px;
    margin: var(--spacing-lg) auto;
}

.error-suggestions {
    margin-top: var(--spacing-xl);
}

.error-suggestions ul {
    list-style: none;
    padding: 0;
}

/* === Menu Toggle (Mobile) === */
.menu-toggle {
    display: none;
    background: transparent;
    border: none;
    padding: var(--spacing-xs);
    cursor: pointer;
}

.menu-icon {
    display: block;
    width: 24px;
    height: 2px;
    background-color: var(--color-white);
    position: relative;
}

.menu-icon::before,
.menu-icon::after {
    content: '';
    position: absolute;
    width: 24px;
    height: 2px;
    background-color: var(--color-white);
    left: 0;
}

.menu-icon::before {
    top: -7px;
}

.menu-icon::after {
    bottom: -7px;
}

@media (max-width: 768px) {
    .menu-toggle {
        display: block;
    }

    .main-navigation .primary-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background-color: var(--color-primary);
        flex-direction: column;
        padding: var(--spacing-sm);
    }

    .main-navigation.toggled .primary-menu {
        display: flex;
    }

    .home-page .hero-title {
        font-size: 2rem;
    }

    .home-page .hero-search .search-form {
        flex-direction: column;
    }
}

/* === Accessibility === */
.skip-link:focus {
    position: fixed;
    top: 0;
    left: 0;
    padding: var(--spacing-sm);
    background-color: var(--color-primary);
    color: var(--color-white);
    z-index: 100000;
    width: auto;
    height: auto;
    clip: auto;
}

/* === Print Styles === */
@media print {
    .site-header,
    .site-footer,
    .sidebar,
    .comments-area,
    .post-navigation {
        display: none;
    }

    body {
        font-size: 12pt;
    }

    a {
        color: #000;
        text-decoration: underline;
    }
}

/* ============================================
   RESEARCH DATABASE STYLES
   ============================================ */

/* === Archive Headers === */
.archive-header {
    background: linear-gradient(135deg, var(--color-primary) 0%, #1a3312 100%);
    color: var(--color-white);
    padding: var(--spacing-xl) 0;
    margin-bottom: var(--spacing-lg);
}

.archive-header .container {
    text-align: center;
}

.archive-title {
    color: var(--color-white);
    margin-bottom: var(--spacing-xs);
}

.archive-description {
    opacity: 0.9;
    max-width: 600px;
    margin: 0 auto;
}

/* === Filter Section === */
.archive-filters,
.landing-filters {
    background-color: var(--color-dark-lighter);
    padding: var(--spacing-md) 0;
    margin-bottom: var(--spacing-lg);
    border-bottom: 1px solid var(--border-color);
}

.filter-form {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    align-items: flex-end;
}

.filter-row {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    align-items: flex-end;
    width: 100%;
}

.filter-group {
    flex: 1;
    min-width: 150px;
}

.filter-group label {
    display: block;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    font-size: 0.875rem;
}

.filter-group select {
    width: 100%;
}

.filter-actions {
    display: flex;
    gap: var(--spacing-xs);
    flex: 0 0 auto;
}

@media (max-width: 768px) {
    .filter-group {
        flex: 1 1 100%;
    }

    .filter-actions {
        flex: 1 1 100%;
        justify-content: center;
    }
}

/* === Research Grid === */
.research-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: var(--spacing-md);
}

.art-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--spacing-md);
}

/* === Research Cards === */
.research-card {
    display: flex;
    flex-direction: column;
    height: 100%;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.research-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.12);
}

.research-card .card-thumbnail {
    position: relative;
    overflow: hidden;
    border-radius: 8px 8px 0 0;
}

.research-card .card-thumbnail img {
    width: 100%;
    height: 180px;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.research-card:hover .card-thumbnail img {
    transform: scale(1.05);
}

.research-card .card-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    padding: var(--spacing-md);
}

.research-card .entry-title {
    font-size: 1.125rem;
    margin-bottom: var(--spacing-xs);
}

.research-card .entry-meta {
    font-size: 0.8125rem;
    color: var(--color-text-light);
    margin-bottom: var(--spacing-sm);
}

.research-card .entry-meta span {
    display: inline-block;
    margin-right: var(--spacing-sm);
}

.research-card .entry-summary {
    flex: 1;
    font-size: 0.9375rem;
    color: var(--color-text-light);
}

.research-card .entry-footer {
    margin-top: auto;
    padding-top: var(--spacing-sm);
    border-top: none;
}

.research-card .read-more {
    font-weight: 600;
    color: var(--color-primary);
}

/* === Badges and Tags === */
.language-badge,
.document-type-badge,
.topic-tag {
    display: inline-block;
    padding: 2px 8px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    border-radius: 4px;
    margin-bottom: var(--spacing-xs);
}

.language-badge {
    background-color: var(--color-secondary);
    color: var(--color-white);
}

.document-type-badge {
    background-color: var(--color-primary);
    color: var(--color-white);
}

.topic-tag {
    background-color: var(--color-dark-elevated);
    color: var(--color-text);
    margin-right: 4px;
}

.research-topics {
    margin-top: var(--spacing-xs);
}

/* === Landing Page === */
.landing-hero {
    position: relative;
    background-size: cover;
    background-position: center;
    background-color: var(--color-primary);
    color: var(--color-white);
    padding: var(--spacing-xl) 0;
    min-height: 300px;
    display: flex;
    align-items: center;
}

.landing-hero .hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
}

.landing-hero .container {
    position: relative;
    z-index: 1;
}

.landing-hero .hero-content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.landing-title {
    color: var(--color-white);
    font-size: 2.5rem;
    margin-bottom: var(--spacing-sm);
}

.landing-subtitle {
    font-size: 1.25rem;
    opacity: 0.9;
}

.landing-intro {
    padding: var(--spacing-xl) 0;
    background-color: var(--color-dark-light);
}

.landing-intro .intro-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.landing-posts {
    padding: var(--spacing-xl) 0;
}

.posts-count {
    margin-bottom: var(--spacing-md);
    color: var(--color-text-light);
}

/* === Single Post Styles === */
.single-treaty,
.single-translation,
.single-research,
.single-document,
.single-art {
    padding: var(--spacing-xl) 0;
}

.single-treaty .entry-header,
.single-translation .entry-header,
.single-research .entry-header,
.single-document .entry-header,
.single-art .entry-header {
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-md);
    border-bottom: 2px solid var(--color-primary);
}

.single-treaty .entry-meta,
.single-translation .entry-meta,
.single-research .entry-meta,
.single-document .entry-meta,
.single-art .entry-meta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    margin-top: var(--spacing-sm);
}

.single-treaty .entry-meta span,
.single-translation .entry-meta span,
.single-research .entry-meta span,
.single-document .entry-meta span,
.single-art .entry-meta span {
    display: inline-block;
}

/* === Document Text Styling === */
.document-text {
    background-color: var(--color-dark-lighter);
    padding: var(--spacing-md);
    border-left: 4px solid var(--color-secondary);
    font-family: var(--font-primary);
    line-height: 1.8;
}

/* === Translation Columns === */
.translation-comparison {
    margin: var(--spacing-lg) 0;
}

.translation-columns {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
}

.translation-column h2 {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-sm);
}

@media (max-width: 768px) {
    .translation-columns {
        grid-template-columns: 1fr;
    }
}

/* === Gallery Grid === */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: var(--spacing-sm);
    margin-top: var(--spacing-sm);
}

.gallery-item {
    display: block;
    border-radius: 4px;
    overflow: hidden;
}

.gallery-item img {
    width: 100%;
    height: 150px;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.gallery-item:hover img {
    transform: scale(1.05);
}

/* === Art Main Image === */
.art-main-image {
    margin-bottom: var(--spacing-md);
}

.art-main-image img {
    width: 100%;
    height: auto;
    border-radius: 8px;
}

.image-credit {
    font-size: 0.8125rem;
    color: var(--color-text-light);
    font-style: italic;
    margin-top: var(--spacing-xs);
}

/* === Document Metadata === */
.document-metadata {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.metadata-item {
    background-color: var(--color-dark-lighter);
    padding: var(--spacing-sm);
    border-radius: 4px;
}

/* === Section Headings === */
.treaty-parties,
.treaty-summary,
.treaty-original-text,
.treaty-gallery,
.treaty-documents,
.translation-notes,
.research-abstract,
.research-methodology,
.research-findings,
.research-bibliography,
.research-attachments,
.document-gallery,
.document-transcription,
.document-download,
.art-description,
.art-provenance {
    margin: var(--spacing-lg) 0;
}

.treaty-parties h2,
.treaty-summary h2,
.treaty-original-text h2,
.treaty-gallery h2,
.treaty-documents h2,
.translation-notes h2,
.research-abstract h2,
.research-methodology h2,
.research-findings h2,
.research-bibliography h2,
.research-attachments h2,
.document-gallery h2,
.document-transcription h2,
.document-download h2,
.art-description h2,
.art-provenance h2 {
    font-size: 1.5rem;
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
    padding-bottom: var(--spacing-xs);
    border-bottom: 2px solid var(--color-accent);
}

/* === Attachments List === */
.attachments-list {
    list-style: none;
    padding: 0;
}

.attachment-item {
    padding: var(--spacing-sm);
    background-color: var(--color-dark-lighter);
    margin-bottom: var(--spacing-xs);
    border-radius: 4px;
}

.attachment-item a {
    font-weight: 600;
}

.attachment-description {
    color: var(--color-text-light);
}

.file-size {
    font-size: 0.8125rem;
    color: var(--color-text-light);
}

/* === Document Link Button === */
.document-link {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
}

/* === Placeholder Image === */
.placeholder-image {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 180px;
    background-color: var(--color-dark-lighter);
    color: var(--color-text-muted);
}

.placeholder-image .dashicons {
    font-size: 48px;
    width: 48px;
    height: 48px;
}

/* === No Results === */
.no-results {
    text-align: center;
    padding: var(--spacing-xl);
    background-color: var(--color-dark-lighter);
    border: 1px solid var(--border-color);
    border-radius: 8px;
}

.no-results p {
    margin-bottom: var(--spacing-md);
}