/* Post Detail Page Styles - Aligned with Homepage Glassmorphism Design */

/* Post Page Container */
.post-page {
    min-height: 100vh;
    background: var(--color-bg-primary);
}

/* Post Navigation */
.post-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 1rem 2rem;
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border-bottom: 1px solid var(--glass-border);
}

.post-nav .nav-container {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.post-nav .nav-logo {
    text-decoration: none;
}

.post-nav .logo-text {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 700;
    background: var(--gradient-primary);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.post-nav .nav-links {
    display: flex;
    gap: 2rem;
}

.post-nav .nav-links a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    font-family: var(--font-primary);
    font-size: 0.9rem;
    font-weight: 500;
    transition: all 0.3s ease;
    padding: 0.5rem 0;
    position: relative;
}

.post-nav .nav-links a:hover,
.post-nav .nav-links a.active {
    color: #ffffff;
}

.post-nav .nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: width 0.3s ease;
}

.post-nav .nav-links a:hover::after,
.post-nav .nav-links a.active::after {
    width: 100%;
}

/* Post Header */
.post-header {
    padding: 120px 2rem 3rem;
    background: linear-gradient(180deg, rgba(108, 92, 231, 0.08) 0%, transparent 100%);
}

.post-header-content {
    max-width: 900px;
    margin: 0 auto;
}

.back-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--color-accent-cyan);
    text-decoration: none;
    font-family: var(--font-mono);
    font-size: 0.9rem;
    margin-bottom: 2rem;
    transition: all 0.3s ease;
}

.back-link:hover {
    color: var(--color-accent-purple);
    transform: translateX(-5px);
}

.back-link svg {
    width: 20px;
    height: 20px;
}

.post-meta-top {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 1rem;
    font-family: var(--font-mono);
    font-size: 0.85rem;
}

.post-meta-top .post-category {
    background: rgba(108, 92, 231, 0.2);
    color: var(--color-accent-purple);
    padding: 0.25rem 0.75rem;
    border-radius: 4px;
    text-transform: uppercase;
    font-weight: 600;
}

.post-meta-top .post-date,
.post-meta-top .post-read-time {
    color: rgba(255, 255, 255, 0.6);
}

.post-header .post-title {
    font-size: 2.5rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    color: #ffffff;
    font-family: var(--font-heading);
}

.post-header .post-excerpt {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.post-header .post-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.post-header .post-tags .tag {
    background: rgba(0, 206, 201, 0.15);
    color: var(--color-accent-cyan);
    padding: 0.35rem 0.85rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-family: var(--font-mono);
    border: 1px solid rgba(0, 206, 201, 0.3);
}

/* Post Main Content Area */
.post-main {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem 4rem;
    display: grid;
    grid-template-columns: 1fr 280px;
    gap: 3rem;
}

.post-main .post-content {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: 3rem;
    box-shadow: var(--glass-shadow);
}

/* Post Sidebar */
.post-sidebar {
    position: sticky;
    top: 100px;
    height: fit-content;
}

.post-sidebar .toc-container {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    padding: 1.5rem;
    box-shadow: var(--glass-shadow);
}

.post-sidebar .toc-container h3 {
    background: var(--gradient-primary);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    font-family: var(--font-heading);
    font-size: 1rem;
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--glass-border);
}

.post-sidebar .toc ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.post-sidebar .toc li {
    margin: 0.5rem 0;
}

.post-sidebar .toc li.h3 {
    padding-left: 1rem;
}

.post-sidebar .toc a {
    color: rgba(255, 255, 255, 0.6);
    text-decoration: none;
    font-size: 0.85rem;
    display: block;
    padding: 0.25rem 0;
    transition: all 0.3s ease;
    border-left: 2px solid transparent;
    padding-left: 0.75rem;
}

.post-sidebar .toc a:hover {
    color: var(--color-accent-purple);
    border-left-color: var(--color-accent-purple);
}

/* Related Posts Section */
.related-posts {
    max-width: 1400px;
    margin: 0 auto;
    padding: 3rem 2rem;
}

.related-posts .section-container {
    max-width: 100%;
}

.related-posts .section-heading {
    font-size: 1.5rem;
    color: #ffffff;
    margin-bottom: 2rem;
    font-family: var(--font-heading);
}

.related-posts .related-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
}

.related-posts .related-card {
    text-decoration: none;
    display: block;
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    padding: 1.5rem;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: var(--glass-shadow);
}

.related-posts .related-card:hover {
    transform: translateY(-8px);
    border-color: rgba(108, 92, 231, 0.5);
    box-shadow: 0 20px 40px rgba(108, 92, 231, 0.15);
}

.related-posts .related-card .related-category {
    display: inline-block;
    background: rgba(108, 92, 231, 0.2);
    color: var(--color-accent-purple);
    padding: 0.2rem 0.6rem;
    border-radius: 4px;
    font-size: 0.75rem;
    font-family: var(--font-mono);
    margin-bottom: 0.75rem;
    text-transform: uppercase;
}

.related-posts .related-card h3 {
    color: #ffffff;
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
    line-height: 1.4;
    font-family: var(--font-heading);
}

.related-posts .related-card p {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.9rem;
    margin-bottom: 0.75rem;
}

.related-posts .related-card .related-date {
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.8rem;
    font-family: var(--font-mono);
}

/* Post Footer */
.post-footer {
    background: var(--glass-bg);
    border-top: 1px solid var(--glass-border);
    padding: 2rem;
    text-align: center;
}

.post-footer .footer-content p {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.9rem;
}

/* Post Content Styles - Optimized for Reading Experience */
.post-content,
.post-content-main {
    line-height: 1.9;
    color: #e4e4e7;
}

.post-content h1,
.post-content h2,
.post-content h3,
.post-content h4,
.post-content h5,
.post-content h6 {
    margin: 2.5rem 0 1rem;
    font-weight: 600;
    font-family: var(--font-heading);
}

.post-content h1 {
    font-size: 2rem;
    color: #ffffff;
    background: linear-gradient(135deg, #a78bfa 0%, #60a5fa 100%);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.post-content h2 {
    font-size: 1.6rem;
    color: #e4e4e7;
    border-bottom: 1px solid #27272a;
    padding-bottom: 0.5rem;
}

.post-content h3 {
    font-size: 1.3rem;
    color: #60a5fa;
}

.post-content h4 {
    font-size: 1.1rem;
    color: #a1a1aa;
}

.post-content p {
    margin: 1.5rem 0;
    color: #e4e4e7;
}

.post-content strong {
    color: #a78bfa;
    font-weight: 600;
}

.post-content em {
    color: #f0abfc;
    font-style: italic;
}

.post-content a {
    color: #60a5fa;
    text-decoration: none;
    border-bottom: 1px solid transparent;
    transition: all 0.3s ease;
}

.post-content a:hover {
    color: #93c5fd;
    border-bottom-color: #93c5fd;
}

/* Code Blocks - Comfortable for reading */
.post-content pre {
    background: #18181b;
    border: 1px solid #27272a;
    border-radius: 12px;
    padding: 1.5rem;
    margin: 1.5rem 0;
    overflow-x: auto;
}

.post-content code {
    font-family: var(--font-mono);
    background: rgba(139, 92, 246, 0.15);
    color: #c4b5fd;
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
    font-size: 0.9em;
}

.post-content pre code {
    background: none;
    padding: 0;
    color: #e4e4e7;
}

/* Lists */
.post-content ul,
.post-content ol {
    margin: 1.5rem 0;
    padding-left: 2rem;
}

.post-content li {
    margin: 0.5rem 0;
    color: #e4e4e7;
}

.post-content li::marker {
    color: #60a5fa;
}

/* Blockquotes - Softer blue */
.post-content blockquote {
    border-left: 4px solid #60a5fa;
    background: rgba(96, 165, 250, 0.08);
    padding: 1.5rem;
    margin: 2rem 0;
    border-radius: 0 12px 12px 0;
    font-style: italic;
    color: #d4d4d8;
}

.post-content blockquote p {
    margin: 0;
    color: #d4d4d8;
}

/* Tables - Subtle styling */
.post-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 1.5rem 0;
    background: #18181b;
    border-radius: 12px;
    overflow: hidden;
}

.post-content th,
.post-content td {
    padding: 1rem;
    text-align: left;
    border-bottom: 1px solid #27272a;
}

.post-content th {
    background: rgba(139, 92, 246, 0.12);
    color: #a78bfa;
    font-weight: 600;
    font-family: var(--font-heading);
}

.post-content td {
    color: #e4e4e7;
}

.post-content tr:hover {
    background: rgba(255, 255, 255, 0.03);
}

/* Horizontal Rule */
.post-content hr {
    border: none;
    height: 1px;
    background: linear-gradient(to right, transparent, #3f3f46, transparent);
    margin: 3rem 0;
}

/* Images */
.post-content img {
    max-width: 100%;
    height: auto;
    border-radius: 12px;
    margin: 1.5rem 0;
}

/* Mermaid Diagrams */
.post-content .mermaid {
    background: #1e1b4b;
    border: 1px solid rgba(139, 92, 246, 0.3);
    border-radius: 12px;
    padding: 2rem;
    margin: 2rem 0;
    text-align: center;
    overflow-x: auto;
}

.post-content .mermaid svg {
    max-width: 100%;
    height: auto;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .post-main {
        grid-template-columns: 1fr;
    }

    .post-sidebar {
        display: none;
    }
}

@media (max-width: 768px) {
    .post-nav .nav-links {
        display: none;
    }

    .post-header .post-title {
        font-size: 1.75rem;
    }

    .post-main .post-content {
        padding: 1.5rem;
    }

    .post-header {
        padding: 100px 1rem 2rem;
    }

    .post-main {
        padding: 0 1rem 2rem;
    }

    .related-posts {
        padding: 2rem 1rem;
    }
}