/**
 * Page-specific Styles - Category & Single Post
 * Inspired by Guardian, BBC, Reuters 2025 Design
 */

/* ==========================================================================
   Category Page Styles
   ========================================================================== */

.category-page {
    background: var(--color-neutral-0);
}

/* Category Header */
.category-header {
    padding: var(--space-16) 0 var(--space-12);
    border-bottom: 1px solid var(--color-neutral-200);
}

.category-header-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-6);
}

.breadcrumb {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    margin-bottom: var(--space-6);
    font-size: var(--font-size-sm);
}

.breadcrumb-link {
    color: var(--color-neutral-600);
    text-decoration: none;
    transition: color var(--duration-200) var(--ease-out);
}

.breadcrumb-link:hover {
    color: var(--color-primary-600);
}

.breadcrumb-separator {
    color: var(--color-neutral-400);
}

.breadcrumb-current {
    color: var(--color-neutral-900);
    font-weight: var(--font-weight-medium);
}

.category-title-section {
    display: flex;
    align-items: center;
    gap: var(--space-6);
}

.category-icon {
    width: 80px;
    height: 80px;
    border-radius: var(--radius-2xl);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    flex-shrink: 0;
}

.category-title {
    color: var(--color-neutral-900);
    line-height: var(--leading-tight);
    margin-bottom: var(--space-2);
}

.category-description {
    color: var(--color-neutral-700);
    margin-bottom: var(--space-4);
}

.category-stats {
    font-size: var(--font-size-sm);
    color: var(--color-neutral-600);
}

/* Category Navigation */
.category-navigation {
    background: var(--color-neutral-50);
    padding: var(--space-6) 0;
    border-bottom: 1px solid var(--color-neutral-200);
}

.nav-filters {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-6);
}

.category-tabs {
    display: flex;
    gap: var(--space-4);
}

.tab-button {
    padding: var(--space-2) var(--space-4);
    border: none;
    background: transparent;
    color: var(--color-neutral-600);
    font-weight: var(--font-weight-medium);
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--duration-200) var(--ease-out);
}

.tab-button.active,
.tab-button:hover {
    background: var(--color-primary-600);
    color: var(--color-neutral-0);
}

.sort-select {
    padding: var(--space-2) var(--space-4);
    border: 1px solid var(--color-neutral-300);
    border-radius: var(--radius-lg);
    background: var(--color-neutral-0);
    font-size: var(--font-size-sm);
}

/* Featured Section */
.featured-section {
    margin-bottom: var(--space-16);
}

.section-title {
    color: var(--color-neutral-900);
    position: relative;
    padding-bottom: var(--space-2);
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 60px;
    height: 3px;
    background: var(--color-primary-600);
    border-radius: var(--radius-sm);
}

.featured-grid {
    gap: var(--space-8);
}

.featured-article {
    transition: all var(--duration-300) var(--ease-out);
    overflow: hidden;
}

.featured-article:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

.featured-thumbnail {
    position: relative;
    height: 200px;
    overflow: hidden;
}

.featured-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--duration-500) var(--ease-out);
}

.featured-article:hover .featured-image {
    transform: scale(1.05);
}

.featured-overlay {
    position: absolute;
    top: var(--space-4);
    right: var(--space-4);
    background: rgba(0, 0, 0, 0.7);
    color: white;
    padding: var(--space-1) var(--space-2);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-xs);
    display: flex;
    align-items: center;
    gap: var(--space-1);
}

.read-time svg {
    width: 12px;
    height: 12px;
}

.featured-title a {
    color: var(--color-neutral-900);
    text-decoration: none;
    transition: color var(--duration-200) var(--ease-out);
}

.featured-title a:hover {
    color: var(--color-primary-600);
}

.featured-excerpt {
    color: var(--color-neutral-700);
    line-height: var(--leading-relaxed);
}

.featured-meta {
    display: flex;
    gap: var(--space-4);
    color: var(--color-neutral-600);
}

.featured-meta a {
    color: var(--color-primary-600);
    text-decoration: none;
}

/* Articles Section */
.articles-header {
    margin-bottom: var(--space-8);
}

.view-toggle {
    display: flex;
    gap: var(--space-2);
}

.view-btn {
    padding: var(--space-2);
    border: 1px solid var(--color-neutral-300);
    background: var(--color-neutral-0);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--duration-200) var(--ease-out);
}

.view-btn.active,
.view-btn:hover {
    background: var(--color-primary-600);
    border-color: var(--color-primary-600);
    color: var(--color-neutral-0);
}

.article-category-badge {
    position: absolute;
    top: var(--space-3);
    left: var(--space-3);
}

.article-category-badge .badge {
    color: white;
    font-weight: var(--font-weight-medium);
    border-radius: var(--radius-full);
    padding: var(--space-1) var(--space-3);
}

.article-stats {
    display: flex;
    gap: var(--space-4);
    color: var(--color-neutral-500);
    font-size: var(--font-size-xs);
}

.article-stats svg {
    width: 14px;
    height: 14px;
    margin-right: var(--space-1);
}

/* Related Categories */
.related-categories {
    background: var(--color-neutral-50);
}

.related-category-card {
    text-align: center;
    transition: all var(--duration-300) var(--ease-out);
}

.related-category-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.related-category-card .category-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto var(--space-4);
}

.related-category-card .category-name a {
    color: var(--color-neutral-900);
    text-decoration: none;
    transition: color var(--duration-200) var(--ease-out);
}

.related-category-card .category-name a:hover {
    color: var(--color-primary-600);
}

/* ==========================================================================
   Single Post Styles
   ========================================================================== */

.single-post {
    background: var(--color-neutral-0);
}

/* Article Header */
.article-header-section {
    padding: var(--space-12) 0 var(--space-8);
    background: var(--color-neutral-50);
}

.category-badge {
    display: inline-block;
    padding: var(--space-1) var(--space-3);
    color: white;
    text-decoration: none;
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-medium);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    transition: opacity var(--duration-200) var(--ease-out);
}

.category-badge:hover {
    opacity: 0.8;
}

.article-title {
    color: var(--color-neutral-900);
    line-height: var(--leading-tight);
    font-weight: var(--font-weight-bold);
}

.article-subtitle {
    color: var(--color-neutral-700);
    font-weight: var(--font-weight-normal);
    line-height: var(--leading-relaxed);
}

.article-meta-info {
    border-top: 1px solid var(--color-neutral-200);
    border-bottom: 1px solid var(--color-neutral-200);
    padding: var(--space-6) 0;
}

.meta-primary {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.author-info {
    display: flex;
    align-items: center;
    gap: var(--space-4);
}

.author-avatar {
    border-radius: var(--radius-full);
}

.author-name a {
    color: var(--color-neutral-900);
    text-decoration: none;
    font-weight: var(--font-weight-semibold);
}

.author-name a:hover {
    color: var(--color-primary-600);
}

.meta-secondary {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    color: var(--color-neutral-600);
    font-size: var(--font-size-sm);
    margin-top: var(--space-1);
}

.meta-separator {
    opacity: 0.5;
}

.read-time {
    display: flex;
    align-items: center;
    gap: var(--space-1);
}

.social-share {
    display: flex;
    gap: var(--space-2);
}

.share-btn {
    padding: var(--space-2);
    border: 1px solid var(--color-neutral-300);
    background: var(--color-neutral-0);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--duration-200) var(--ease-out);
}

.share-btn:hover {
    background: var(--color-primary-600);
    border-color: var(--color-primary-600);
    color: var(--color-neutral-0);
}

/* Featured Image */
.featured-image-section {
    margin-bottom: var(--space-8);
}

.featured-image-container {
    margin: 0;
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.featured-image {
    width: 100%;
    height: auto;
    display: block;
}

.image-caption {
    padding: var(--space-4);
    background: var(--color-neutral-50);
    border-top: 1px solid var(--color-neutral-200);
}

/* Reading Progress */
.reading-progress {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--color-neutral-200);
    z-index: var(--z-fixed);
}

.progress-bar {
    height: 100%;
    background: var(--color-primary-600);
    transition: width 0.1s ease;
}

/* Article Content */
.article-content-section {
    padding: 0 0 var(--space-12);
}

.article-layout {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 var(--space-6);
}

.prose {
    line-height: var(--leading-relaxed);
    font-size: var(--font-size-lg);
}

.prose h2,
.prose h3,
.prose h4 {
    color: var(--color-neutral-900);
    font-weight: var(--font-weight-bold);
    margin-top: var(--space-10);
    margin-bottom: var(--space-4);
}

.prose p {
    margin-bottom: var(--space-6);
    color: var(--color-neutral-800);
}

.prose blockquote {
    border-left: 4px solid var(--color-primary-600);
    padding-left: var(--space-6);
    margin: var(--space-8) 0;
    font-style: italic;
    background: var(--color-neutral-50);
    padding: var(--space-6);
    border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
}

/* Article Footer */
.article-footer {
    border-top: 2px solid var(--color-neutral-100);
    padding-top: var(--space-8);
}

.article-tags {
    margin-bottom: var(--space-8);
}

.tags-title {
    color: var(--color-neutral-900);
    margin-bottom: var(--space-4);
}

.tags-list a {
    display: inline-block;
    padding: var(--space-1) var(--space-3);
    background: var(--color-neutral-100);
    color: var(--color-neutral-700);
    text-decoration: none;
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    margin-right: var(--space-2);
    margin-bottom: var(--space-2);
    transition: all var(--duration-200) var(--ease-out);
}

.tags-list a:hover {
    background: var(--color-primary-600);
    color: var(--color-neutral-0);
}

/* Share Buttons */
.article-share {
    margin-bottom: var(--space-8);
}

.share-title {
    color: var(--color-neutral-900);
    margin-bottom: var(--space-4);
}

.share-buttons {
    display: flex;
    gap: var(--space-3);
    flex-wrap: wrap;
}

.share-button {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-4);
    border-radius: var(--radius-lg);
    text-decoration: none;
    font-weight: var(--font-weight-medium);
    font-size: var(--font-size-sm);
    transition: all var(--duration-200) var(--ease-out);
}

.share-button.facebook {
    background: #1877f2;
    color: white;
}

.share-button.twitter {
    background: #1da1f2;
    color: white;
}

.share-button.linkedin {
    background: #0a66c2;
    color: white;
}

.share-button.copy-link {
    background: var(--color-neutral-100);
    color: var(--color-neutral-700);
    border: none;
    cursor: pointer;
}

.share-button:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* Author Bio */
.author-bio {
    background: var(--color-neutral-50);
    border: 1px solid var(--color-neutral-200);
}

.author-info-extended {
    display: flex;
    gap: var(--space-6);
    align-items: flex-start;
}

.author-avatar-large {
    border-radius: var(--radius-xl);
    flex-shrink: 0;
}

.author-name-large a {
    color: var(--color-neutral-900);
    text-decoration: none;
}

.author-name-large a:hover {
    color: var(--color-primary-600);
}

.author-description {
    color: var(--color-neutral-700);
    margin: var(--space-2) 0 var(--space-4);
    line-height: var(--leading-relaxed);
}

.author-stats {
    font-size: var(--font-size-sm);
    color: var(--color-neutral-600);
}

/* Related Articles */
.related-articles {
    background: var(--color-neutral-50);
}

.related-grid {
    gap: var(--space-8);
}

.related-article {
    transition: all var(--duration-300) var(--ease-out);
    overflow: hidden;
}

.related-article:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.related-thumbnail {
    height: 150px;
    overflow: hidden;
}

.related-thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--duration-500) var(--ease-out);
}

.related-article:hover .related-thumbnail img {
    transform: scale(1.1);
}

.related-title a {
    color: var(--color-neutral-900);
    text-decoration: none;
    transition: color var(--duration-200) var(--ease-out);
}

.related-title a:hover {
    color: var(--color-primary-600);
}

.related-meta {
    color: var(--color-neutral-600);
}

/* Mobile Responsiveness */
@media (max-width: 768px) {
    .category-title-section {
        flex-direction: column;
        text-align: center;
        gap: var(--space-4);
    }
    
    .category-title {
        font-size: var(--font-size-2xl);
    }
    
    .nav-filters {
        flex-direction: column;
        gap: var(--space-4);
        align-items: stretch;
    }
    
    .featured-grid,
    .related-grid,
    .articles-grid {
        grid-template-columns: 1fr;
    }
    
    .meta-primary {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-4);
    }
    
    .author-info-extended {
        flex-direction: column;
        text-align: center;
    }
    
    .share-buttons {
        flex-direction: column;
    }
    
    .article-title {
        font-size: var(--font-size-2xl);
    }
}