/* ================================
   RESOURCE ITEM PAGE STYLES
   Individual Article/Blog Post Page
   ================================ */

/* Article Hero Section */
.article-hero {
    background: linear-gradient(135deg, var(--dark-bg) 0%, var(--dark-secondary) 100%);
    padding: 120px 0 60px;
    position: relative;
    overflow: hidden;
}

.article-hero-content {
    max-width: 1000px;
    margin: 0 auto;
    text-align: center;
    position: relative;
    z-index: 2;
}

.article-category-badge {
    display: inline-block;
    background: var(--primary-blue);
    color: white;
    padding: 0.5rem 1.2rem;
    border-radius: 25px;
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: var(--spacing-lg);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.article-hero h1 {
    font-size: 4.5rem;
    line-height: 1.1;
    margin-bottom: var(--spacing-lg);
    background: linear-gradient(135deg, var(--primary-blue), var(--text-white));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    /*max-width: 900px;*/
    margin-left: auto;
    margin-right: auto;
}

.article-excerpt {
    font-size: 1.6rem;
    line-height: 1.5;
    color: var(--text-light);
    /*max-width: 800px;*/
    margin: 0 auto var(--spacing-xl);
}

/* Article Meta Information */
.article-meta-section {
    background: var(--dark-bg-soft);
    padding: var(--spacing-lg) 0;
    border-bottom: 1px solid var(--border-light);
}

.article-meta-container {
    max-width: 1000px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.article-author-info {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.author-avatar {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-dark));
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
    font-weight: 700;
}

.author-details h3 {
    color: var(--text-white);
    margin-bottom: 0.2rem;
    font-size: 1.4rem;
}

.article-date {
    color: var(--text-muted);
    font-size: 1.2rem;
}

.article-actions {
    display: flex;
    gap: var(--spacing-sm);
    align-items: center;
}

.action-btn {
    width: 40px;
    height: 40px;
    border: 1px solid var(--border-light);
    background: var(--dark-card);
    color: var(--text-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition-normal);
}

.action-btn:hover {
    background: var(--primary-blue);
    border-color: var(--primary-blue);
    transform: scale(1.1);
}

.reading-time {
    color: var(--text-muted);
    font-size: 1.1rem;
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

/* Main Article Content */
.article-main {
    background: var(--dark-bg-alt);
    padding: var(--spacing-3xl) 0;
}

.article-container {
    max-width: 1200px;
    margin: 0 auto;
}

.article-content {
    color: var(--text-light);
    line-height: 1.8;
    font-size: 1.6rem;
}

/* Typography Styles for Content */
.article-content h1,
.article-content h2,
.article-content h3,
.article-content h4,
.article-content h5,
.article-content h6 {
    color: var(--text-white);
    margin-top: var(--spacing-xl);
    margin-bottom: var(--spacing-md);
    line-height: 1.3;
}

.article-content h2 {
    font-size: 2.8rem;
    border-bottom: 2px solid var(--primary-blue);
    padding-bottom: var(--spacing-sm);
}

.article-content h3 {
    font-size: 2.2rem;
}

.article-content h4 {
    font-size: 1.8rem;
}

.article-content h5 {
    font-size: 1.6rem;
    color: var(--primary-blue);
}

.article-content p {
    margin-bottom: var(--spacing-md);
    line-height: 1.2;
    font-size: 1.4rem;
}

.article-content a {
    color: var(--primary-blue);
    text-decoration: none;
    border-bottom: 1px solid transparent;
    transition: all var(--transition-normal);
}

.article-content a:hover {
    border-bottom-color: var(--primary-blue);
}

.article-content ul,
.article-content ol {
    margin-bottom: var(--spacing-md);
    padding-left: var(--spacing-xl);
}

.article-content li {
    margin-bottom: var(--spacing-xs);
    line-height: 1.7;
    font-size: 1.4rem;
}

.article-content blockquote {
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.1), rgba(0, 212, 255, 0.05));
    border-left: 4px solid var(--primary-blue);
    padding: var(--spacing-lg);
    margin: var(--spacing-xl) 0;
    border-radius: var(--radius-md);
    font-style: italic;
    font-size: 1.4rem;
}

.article-content img, .article-content video {
    max-width: 100%;
    height: auto;
    border-radius: var(--radius-md);
    margin: var(--spacing-sm) 0;
    box-shadow: var(--shadow-md);
}

.article-content code {
    background: rgba(255, 255, 255, 0.1);
    padding: 0.2rem 0.5rem;
    border-radius: var(--radius-sm);
    font-family: var(--font-mono);
    font-size: 0.9em;
    color: var(--primary-blue);
}

.article-content pre {
    background: var(--dark-bg);
    padding: var(--spacing-sm);
    border-radius: var(--radius-md);
    overflow-x: auto;
    margin: var(--spacing-sm) 0;
    border: 1px solid var(--border-light);
    font-size: 1rem;
    line-height: 1.1rem;
}

.article-content pre code {
    background: none;
    padding: 0;
    color: var(--text-light);
}

.article-content table {
    width: 100%;
    border-collapse: collapse;
    margin: var(--spacing-xl) 0;
    background: var(--dark-card);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.article-content th,
.article-content td {
    padding: var(--spacing-md);
    text-align: left;
    border-bottom: 1px solid var(--border-light);
}

.article-content th {
    background: var(--dark-secondary);
    color: var(--primary-blue);
    font-weight: 600;
}

/* Special Content Blocks */
.highlight-box {
    background: linear-gradient(135deg, var(--dark-card), rgba(255, 255, 255, 0.02));
    border: 1px solid var(--border-light);
    border-left: 4px solid var(--primary-blue);
    padding: var(--spacing-lg);
    margin: var(--spacing-xl) 0;
    border-radius: var(--radius-md);
}

.highlight-box.warning {
    border-left-color: var(--warning-yellow);
}

.highlight-box.success {
    border-left-color: var(--success-green);
}

.highlight-box.info {
    border-left-color: var(--primary-blue);
}

/* Progress Reading Bar */
.reading-progress {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: rgba(255, 255, 255, 0.1);
    z-index: 9999;
}

.reading-progress-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-blue), var(--primary-dark));
    width: 0%;
    transition: width 0.2s ease;
}

/* Table of Contents (TOC) */
.table-of-contents {
    background: var(--dark-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    margin: var(--spacing-xl) 0;
    /*position: sticky;*/
    top: 100px;
    /*max-height: 70vh;*/
    overflow-y: auto;
}

.table-of-contents h4 {
    color: var(--primary-blue);
    margin-bottom: var(--spacing-md);
    margin-top: 0;
}

.toc-list {
    list-style: auto;
    padding: 0;
    margin: 0;
}

.toc-list li {
    margin-bottom: var(--spacing-xs);
}

.toc-list a {
    color: var(--text-light);
    text-decoration: none;
    display: block;
    padding: var(--spacing-xs) 0;
    border-left: 2px solid transparent;
    padding-left: var(--spacing-sm);
    transition: all var(--transition-normal);
}

.toc-list a:hover,
.toc-list a.active {
    color: var(--primary-blue);
    border-left-color: var(--primary-blue);
    padding-left: var(--spacing-md);
}

.toc-list .toc-level-2 {
    padding-left: var(--spacing-md);
    font-size: 0.9em;
}

.toc-list .toc-level-3 {
    padding-left: var(--spacing-lg);
    font-size: 0.85em;
}

/* Social Share Floating */
.social-share-floating {
    position: fixed;
    left: 20px;
    top: 50%;
    transform: translateY(-50%);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    z-index: 1000;
}

.share-btn-floating {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    border: none;
    color: white;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-md);
}

.share-btn-floating.linkedin {
    background: #0077b5;
}

.share-btn-floating.twitter {
    background: #1da1f2;
}

.share-btn-floating.copy {
    background: var(--primary-blue);
}

.share-btn-floating:hover {
    transform: scale(1.1);
    box-shadow: var(--shadow-lg);
}

/* Article Footer/Navigation */
.article-footer {
    background: var(--dark-secondary);
    padding: var(--spacing-2xl) 0;
    border-top: 1px solid var(--border-light);
}

.article-navigation {
    max-width: 1000px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
}

.nav-article {
    background: var(--dark-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    text-decoration: none;
    transition: all var(--transition-normal);
    display: block;
}

.nav-article:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-blue);
}

.nav-direction {
    color: var(--text-muted);
    font-size: 1rem;
    margin-bottom: var(--spacing-xs);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.nav-article h4 {
    color: var(--text-white);
    margin: 0;
    font-size: 1.4rem;
    line-height: 1.3;
}

.nav-article.next {
    text-align: right;
}

/* Back to Resources Link */
.back-to-resources {
    background: var(--dark-bg-soft);
    padding: var(--spacing-lg) 0;
    border-bottom: 1px solid var(--border-light);
}

.back-link {
    max-width: 1000px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--text-muted);
    text-decoration: none;
    font-size: 1.2rem;
    transition: color var(--transition-normal);
}

.back-link:hover {
    color: var(--primary-blue);
}

.back-link i {
    transition: transform var(--transition-normal);
}

.back-link:hover i {
    transform: translateX(-3px);
}

/* Responsive Design */
@media (max-width: 1200px) {
    .social-share-floating {
        display: none;
    }

    .table-of-contents {
        position: static;
        max-height: none;
    }
}

@media (max-width: 768px) {
    .article-hero {
        padding: 100px 0 40px;
    }

    .article-hero h1 {
        font-size: 3rem;
    }

    .article-excerpt {
        font-size: 1.4rem;
    }

    .article-meta-container {
        flex-direction: column;
        text-align: center;
        gap: var(--spacing-lg);
    }

    .article-container {
        padding: 0 var(--spacing-md);
    }

    .article-content {
        font-size: 1.4rem;
    }

    .article-content h2 {
        font-size: 2.2rem;
    }

    .article-content h3 {
        font-size: 1.8rem;
    }

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

    .nav-article.next {
        text-align: left;
    }

    .nav-direction {
        justify-content: flex-start;
    }
}

@media (max-width: 480px) {
    .article-hero h1 {
        font-size: 2.5rem;
    }

    .article-excerpt {
        font-size: 1.3rem;
    }

    .article-content {
        font-size: 1.3rem;
    }

    .article-content h2 {
        font-size: 2rem;
    }

    .article-content h3 {
        font-size: 1.6rem;
    }

    .author-avatar {
        width: 50px;
        height: 50px;
        font-size: 1.2rem;
    }

    .author-details h3 {
        font-size: 1.2rem;
    }

    .article-date {
        font-size: 1.1rem;
    }
}