/* ==========================================================================
   Scan And Review - Blog Single Post Styles
   ========================================================================== */

/* Import base blog styles for shared components */
@import url('./blog.css');

/* --------------------------------------------------------------------------
   Reading Progress Bar
   -------------------------------------------------------------------------- */
.reading-progress-bar {
    position: fixed;
    top: 80px;
    left: 0;
    width: 0;
    height: 3px;
    background: var(--primary);
    z-index: 999;
    transition: width 0.1s linear;
}

/* --------------------------------------------------------------------------
   Back to Top
   -------------------------------------------------------------------------- */
.back-to-top {
    position: fixed;
    bottom: 32px;
    right: 32px;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--primary);
    color: var(--white);
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transform: translateY(12px);
    transition: all 0.3s ease;
    z-index: 999;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
}

/* --------------------------------------------------------------------------
   Post Header
   -------------------------------------------------------------------------- */
.blog-post-header {
    padding: 140px 0 0;
    background: var(--gray-50);
}

.blog-post-header .container {
    max-width: 1100px;
}

.blog-post-header .blog-breadcrumb {
    margin-bottom: 32px;
}

/* --------------------------------------------------------------------------
   Hero (two-column: text left, image right)
   -------------------------------------------------------------------------- */
.blog-post-hero {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: center;
    padding-bottom: 48px;
    border-bottom: 1px solid var(--gray-200);
}

.blog-post-hero-content .blog-category-badge {
    margin-bottom: 16px;
}

.blog-post-hero-content h1 {
    font-size: clamp(2rem, 3.5vw, 2.5rem);
    line-height: 1.2;
    margin: 0 0 20px;
}

.blog-post-excerpt {
    font-size: 1rem;
    line-height: 1.7;
    color: var(--gray-600);
    margin: 0 0 28px;
}

/* --------------------------------------------------------------------------
   Post Meta (inside hero)
   -------------------------------------------------------------------------- */
.blog-post-meta {
    display: flex;
    align-items: center;
    gap: 12px;
}

.author-avatar-sm {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    object-fit: cover;
    flex-shrink: 0;
}

.author-avatar-sm.author-avatar-placeholder {
    background: var(--gray-200);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--gray-400);
    font-size: 0.875rem;
}

.meta-info {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.meta-author-name {
    font-weight: 600;
    color: var(--dark);
    font-size: 0.9375rem;
}

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

.meta-dates {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.8125rem;
    color: var(--gray-500);
}

.meta-separator {
    color: var(--gray-300);
}

.meta-updated {
    color: var(--gray-500);
}

/* --------------------------------------------------------------------------
   Hero Featured Image
   -------------------------------------------------------------------------- */
.blog-post-hero-image img {
    width: 100%;
    height: auto;
    border-radius: var(--radius-xl);
    display: block;
}

/* --------------------------------------------------------------------------
   Post Layout
   -------------------------------------------------------------------------- */
.blog-post-section {
    padding: 60px 0 100px;
    background: var(--white);
}

.blog-post-section .container {
    max-width: 1100px;
}

/* --------------------------------------------------------------------------
   Post Content (Prose)
   -------------------------------------------------------------------------- */
.blog-post-content {
    min-width: 0;
}

.prose {
    font-size: 1.0625rem;
    line-height: 1.8;
    color: var(--gray-700);
}

.prose h1,
.prose h2,
.prose h3,
.prose h4,
.prose h5,
.prose h6 {
    margin-top: 2em;
    margin-bottom: 0.75em;
    line-height: 1.2;
    font-weight: 600;
}

.prose h1 {
    font-size: 2rem;
}

.prose h2 {
    font-size: 1.625rem;
}

.prose h3 {
    font-size: 1.375rem;
}

.prose h4 {
    font-size: 1.125rem;
}

.prose p {
    margin-bottom: 1.5em;
}

.prose a {
    color: var(--primary);
    text-decoration: none;
    text-underline-offset: 2px;
}

.prose a:hover {
    color: var(--primary-dark);
}

.prose strong {
    font-weight: 600;
    color: var(--dark);
}

.prose ul,
.prose ol {
    margin-bottom: 1.5em;
    padding-left: 1.5em;
}

.prose li {
    margin-bottom: 0.5em;
}

.prose li::marker {
    color: var(--primary);
}

.prose blockquote {
    font-size: 16px;
    margin: 2em 0;
    padding: 10px 15px;
    background: var(--accent-light);
    border-left: 4px solid var(--primary);
    border-radius: 0 var(--radius) var(--radius) 0;
    font-style: italic;
    color: var(--gray-700);
}

.prose blockquote p:last-child {
    margin-bottom: 0;
}

.prose pre {
    margin: 2em 0;
    padding: 1.5em;
    background: var(--gray-900);
    border-radius: var(--radius);
    overflow-x: auto;
    font-size: 0.875rem;
    line-height: 1.6;
}

.prose code {
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
    font-size: 0.9em;
}

.prose :not(pre)>code {
    padding: 2px 6px;
    background: var(--gray-100);
    border-radius: 4px;
    color: var(--primary-dark);
}

.prose pre code {
    background: none;
    padding: 0;
    color: #e2e8f0;
}

.prose img {
    max-width: 100%;
    height: auto;
    margin: 2em 0;
}

/* --------------------------------------------------------------------------
   Table of Contents
   -------------------------------------------------------------------------- */
.blog-toc {
    margin: 0 0 2.5em;
    padding: 0;
    background: var(--gray-50);
    border: 1px solid var(--gray-200);
    border-left: 4px solid var(--primary);
    border-radius: 0 var(--radius-xl) var(--radius-xl) 0;
}

.toc-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    cursor: pointer;
}

.toc-header h4 {
    margin: 0;
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--dark);
    display: flex;
    align-items: center;
    gap: 8px;
}

.toc-header h4 i {
    color: var(--primary);
    font-size: 0.875rem;
}

.toc-toggle {
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px 8px;
    color: var(--gray-400);
    font-size: 0.75rem;
    transition: all 0.2s ease;
    border-radius: var(--radius);
}

.toc-toggle:hover {
    background: var(--gray-200);
    color: var(--dark);
}

.toc-toggle.collapsed i {
    transform: rotate(180deg);
}

.toc-body {
    padding: 0 20px 16px;
    transition: all 0.3s ease;
}

.toc-body.collapsed {
    display: none;
}

.toc-list {
    list-style: none;
    padding: 0;
    margin: 0;
    counter-reset: toc-counter;
}

.toc-list>li {
    counter-increment: toc-counter;
    margin-bottom: 0;
}

.toc-list>li>a {
    display: block;
    padding: 6px 0;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--gray-700);
    text-decoration: none;
    border-bottom: 1px solid var(--gray-100);
    transition: all 0.2s ease;
}

.toc-list>li>a::before {
    content: counter(toc-counter) ". ";
    color: var(--primary);
    font-weight: 600;
}

.toc-list>li>a:hover {
    color: var(--primary);
    padding-left: 4px;
}

.toc-list>li:last-child>a {
    border-bottom: none;
}

.toc-sublist {
    list-style: none;
    padding: 0 0 0 20px;
    margin: 0;
}

.toc-sublist li a {
    display: block;
    padding: 4px 0;
    font-size: 0.8125rem;
    color: var(--gray-500);
    text-decoration: none;
    transition: all 0.2s ease;
}

.toc-sublist li a:hover {
    color: var(--primary);
    padding-left: 4px;
}

.prose figure {
    margin: 2em 0;
}

.prose figcaption {
    text-align: center;
    font-size: 0.875rem;
    color: var(--gray-500);
    margin-top: 0.75em;
}

.prose hr {
    margin: 3em 0;
    border: none;
    border-top: 1px solid var(--gray-200);
}

.prose table {
    width: 100%;
    margin: 2em 0;
    border-collapse: collapse;
}

.prose th,
.prose td {
    padding: 12px 16px;
    border: 1px solid var(--gray-200);
    text-align: left;
}

.prose th {
    background: var(--gray-50);
    font-weight: 600;
    color: var(--dark);
}

.prose tr:nth-child(even) {
    background: var(--gray-50);
}

/* Embeds */
.prose iframe {
    width: 100%;
    border-radius: var(--radius);
    margin: 2em 0;
}

/* --------------------------------------------------------------------------
   Post Tags
   -------------------------------------------------------------------------- */
.blog-post-tags {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 48px;
    padding-top: 32px;
    border-top: 1px solid var(--gray-200);
}

.tags-label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--gray-600);
}

/* --------------------------------------------------------------------------
   Share Buttons
   -------------------------------------------------------------------------- */
.blog-share {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-top: 32px;
    padding: 24px;
    background: var(--gray-50);
    border-radius: var(--radius-xl);
}

.share-label {
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--dark);
}

.share-buttons {
    display: flex;
    gap: 8px;
}

.share-btn {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius);
    font-size: 1rem;
    color: var(--white);
    transition: all 0.2s ease;
    border: none;
    cursor: pointer;
}

.share-twitter {
    background: #000;
}

.share-twitter:hover {
    background: #333;
}

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

.share-linkedin:hover {
    background: #005885;
}

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

.share-facebook:hover {
    background: #0d5bbd;
}

.share-copy {
    background: var(--gray-600);
}

.share-copy:hover {
    background: var(--gray-700);
}

/* --------------------------------------------------------------------------
   Author Box
   -------------------------------------------------------------------------- */
.blog-post-author {
    margin-top: 48px;
    padding-top: 48px;
    border-top: 1px solid var(--gray-200);
}

.blog-author-box {
    display: flex;
    gap: 24px;
    padding: 32px;
    background: var(--gray-50);
    border-radius: var(--radius-xl);
}

.blog-author-box .author-avatar {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    overflow: hidden;
    flex-shrink: 0;
}

.blog-author-box .author-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.blog-author-box .author-avatar-placeholder {
    width: 100%;
    height: 100%;
    background: var(--gray-200);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: var(--gray-400);
}

.blog-author-box .author-info {
    flex: 1;
}

.blog-author-box .author-name {
    font-size: 1.125rem;
    margin-bottom: 4px;
}

.blog-author-box .author-name a {
    color: var(--dark);
}

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

.blog-author-box .author-title {
    display: block;
    font-size: 0.875rem;
    color: var(--primary);
    font-weight: 600;
    margin-bottom: 12px;
}

.blog-author-box .author-bio {
    font-size: 0.9375rem;
    color: var(--gray-600);
    line-height: 1.6;
    margin: 0;
}

/* --------------------------------------------------------------------------
   Related Posts
   -------------------------------------------------------------------------- */
.blog-related {
    padding: 80px 0;
    background: var(--gray-50);
}

.blog-related .container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 24px;
}

.blog-related h3 {
    text-align: center;
    font-size: 1.5rem;
    margin-bottom: 40px;
}

.blog-related-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.blog-related-card {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-xl);
    overflow: hidden;
    transition: all 0.25s ease;
}

.blog-related-card:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow);
    transform: translateY(-4px);
}

.related-thumbnail {
    display: block;
    height: 160px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    overflow: hidden;
}

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

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

.related-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    color: rgba(255, 255, 255, 0.7);
}

.related-content {
    padding: 20px;
}

.related-content h4 {
    font-size: 1rem;
    line-height: 1.4;
    margin-bottom: 8px;
}

.related-content h4 a {
    color: var(--dark);
}

.related-content h4 a:hover {
    color: var(--primary);
}

.related-excerpt {
    font-size: 0.8125rem;
    line-height: 1.5;
    color: var(--gray-500);
    margin: 0 0 12px;
}

.related-meta {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 6px;
    font-size: 0.75rem;
    color: var(--gray-400);
}

.related-author {
    font-weight: 600;
    color: var(--gray-600);
}

.related-dot::after {
    content: "\00B7";
    font-weight: 700;
}

/* --------------------------------------------------------------------------
   Responsive
   -------------------------------------------------------------------------- */
@media (max-width: 1024px) {
    .blog-post-hero {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .blog-post-hero-image {
        order: -1;
    }

    .blog-related-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .blog-post-header {
        padding: 120px 0 0;
    }

    .blog-post-hero-content h1 {
        font-size: 1.75rem;
    }

    .prose {
        font-size: 1rem;
    }

    .blog-share {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }

    .blog-author-box {
        flex-direction: column;
        text-align: center;
    }

    .blog-author-box .author-avatar {
        margin: 0 auto;
    }

    .blog-related-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .blog-post-header {
        padding: 100px 0 0;
    }

    .blog-post-hero {
        gap: 24px;
        padding-bottom: 32px;
    }

    .blog-post-section {
        padding: 40px 0 80px;
    }

    .prose h2 {
        font-size: 1.375rem;
    }

    .prose h3 {
        font-size: 1.125rem;
    }

    .blog-related {
        padding: 60px 0;
    }
}