/* ========================================
   Blog Detail Page - Navy & Silver Glass Theme
   ======================================== */

/* ===== Reading Progress ===== */
.reading-progress {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    height: 3px;
    background: transparent;
    z-index: 999;
}

.reading-progress-bar {
    height: 100%;
    width: 0%;
    background: var(--accent-gradient);
    transition: width 0.1s ease;
    box-shadow: 0 0 10px rgba(30, 64, 175, 0.5);
}

/* ===== Blog Detail Hero ===== */
.blog-detail-hero {
    position: relative;
    min-height: 60vh;
    display: flex;
    align-items: flex-end;
    padding: 100px 0 60px;
    overflow: hidden;
    margin-top: calc(-1 * var(--header-height));
    padding-top: calc(var(--header-height) + 80px);
}

.hero-background {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.hero-bg-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transform: scale(1.05);
    transition: transform 0.5s ease;
}

.hero-bg-placeholder {
    width: 100%;
    height: 100%;
    background: var(--accent-gradient);
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        to bottom,
        rgba(15, 23, 42, 0.6) 0%,
        rgba(15, 23, 42, 0.85) 60%,
        rgba(15, 23, 42, 0.98) 100%
    );
}

/* Breadcrumb */
.blog-breadcrumb {
    position: relative;
    z-index: 2;
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 24px;
    font-size: 0.85rem;
    flex-wrap: wrap;
}

.breadcrumb-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: rgba(255, 255, 255, 0.7);
    transition: color var(--transition-fast);
    text-decoration: none;
}

.breadcrumb-link:hover { color: white; }

.breadcrumb-separator {
    color: rgba(255, 255, 255, 0.4);
    font-size: 0.7rem;
}

.breadcrumb-current {
    color: white;
    font-weight: 600;
    max-width: 250px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* Hero Content */
.hero-content {
    position: relative;
    z-index: 2;
    color: white;
    max-width: 800px;
}

.blog-category-badge-hero {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-full);
    font-size: 0.82rem;
    font-weight: 600;
    margin-bottom: 20px;
}

.hero-title {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 800;
    line-height: 1.3;
    margin-bottom: 24px;
    letter-spacing: -0.02em;
    text-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
}

.hero-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
}

.meta-item {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.85);
}

.meta-item i {
    color: #60a5fa;
}

/* ===== Blog Detail Main ===== */
.blog-detail-main {
    padding: 60px 0 80px;
    position: relative;
    z-index: 1;
}

.detail-grid {
    display: grid;
    grid-template-columns: 1fr 340px;
    gap: 40px;
    align-items: start;
}

/* Content Column */
.detail-content {
    min-width: 0;
}

.prose-content {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 40px;
    font-size: 1.05rem;
    line-height: 2;
    color: var(--text-secondary);
    margin-bottom: 32px;
}

.prose-content p { margin-bottom: 20px; }
.prose-content h2, .prose-content h3, .prose-content h4 {
    color: var(--text-primary);
    margin: 32px 0 16px;
    font-weight: 700;
}
.prose-content h2 { font-size: 1.8rem; }
.prose-content h3 { font-size: 1.4rem; }
.prose-content h4 { font-size: 1.2rem; }
.prose-content ul, .prose-content ol { margin: 20px 0; padding-right: 24px; }
.prose-content li { margin-bottom: 10px; list-style: disc; }
.prose-content img {
    max-width: 100%;
    border-radius: 12px;
    margin: 24px 0;
    box-shadow: var(--shadow-lg);
}
.prose-content a {
    color: var(--accent-primary);
    text-decoration: underline;
    text-underline-offset: 4px;
}
.prose-content blockquote {
    border-right: 4px solid var(--accent-primary);
    padding: 20px 24px;
    margin: 24px 0;
    background: var(--bg-tertiary);
    border-radius: 0 12px 12px 0;
    font-style: italic;
    color: var(--text-primary);
}

/* Tags */
.blog-tags {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 32px;
    padding: 24px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
}

.tags-label {
    font-weight: 700;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 6px;
}

.tags-list {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.tag-item {
    padding: 6px 14px;
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    border-radius: var(--radius-full);
    font-size: 0.85rem;
    text-decoration: none;
    transition: all var(--transition-fast);
}

.tag-item:hover {
    background: var(--accent-primary);
    color: white;
}

/* Share Buttons */
.blog-share {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
    margin-bottom: 40px;
    padding: 24px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
}

.share-label {
    font-weight: 700;
    color: var(--text-primary);
}

.share-buttons {
    display: flex;
    gap: 10px;
}

.share-btn {
    width: 42px;
    height: 42px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 50%;
    color: var(--text-secondary);
    font-size: 1rem;
    cursor: pointer;
    transition: all var(--transition-fast);
    text-decoration: none;
}

.share-btn:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
    color: white;
    border-color: transparent;
}

.share-btn.telegram:hover { background: #0088cc; }
.share-btn.whatsapp:hover { background: #25d366; }
.share-btn.linkedin:hover { background: #0077b5; }
.share-btn.copy:hover { background: var(--accent-gradient); }

/* Author Box */
.author-box {
    display: flex;
    gap: 20px;
    padding: 32px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    margin-bottom: 40px;
}

.author-avatar {
    flex-shrink: 0;
    width: 80px;
    height: 80px;
}

.author-avatar img {
    width: 80px !important;
    height: 80px !important;
    border-radius: 50% !important;
    object-fit: cover !important;
    border: 3px solid var(--bg-tertiary) !important;
    display: block !important;
    margin: 0 auto;
}

.author-placeholder {
    width: 80px !important;
    height: 80px !important;
    border-radius: 50% !important;
    background: var(--accent-gradient);
    color: white;
    display: flex !important;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    font-weight: 700;
}

.author-info h4 {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.author-info p {
    font-size: 0.92rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin: 0;
}

/* ===== Sidebar ===== */
.detail-sidebar {
    position: sticky;
    top: calc(var(--header-height) + 24px);
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.sidebar-card {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(226, 232, 240, 0.6);
    border-radius: 20px;
    padding: 24px;
    transition: all var(--transition-base);
}

[data-theme="dark"] .sidebar-card {
    background: rgba(30, 41, 59, 0.7);
    border: 1px solid rgba(51, 65, 85, 0.5);
}

.sidebar-card:hover { box-shadow: var(--shadow-lg); }

.widget-title {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 20px;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--border-color);
    display: flex;
    align-items: center;
    gap: 8px;
}

.widget-title::before {
    content: '';
    width: 4px;
    height: 20px;
    background: var(--accent-gradient);
    border-radius: 2px;
}

/* Search Widget */
.search-input-wrapper {
    display: flex;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    overflow: hidden;
    background: var(--bg-card);
}

.search-input-wrapper input {
    flex: 1;
    padding: 12px 16px;
    border: none;
    background: transparent;
    color: var(--text-primary);
    font-family: var(--font-family);
    outline: none;
}

.search-input-wrapper button {
    padding: 0 16px;
    background: var(--accent-gradient);
    border: none;
    color: white;
    cursor: pointer;
    transition: opacity 0.2s;
}

.search-input-wrapper button:hover { opacity: 0.9; }

/* Categories Widget */
.category-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.category-list li a {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 16px;
    background: var(--bg-tertiary);
    border-radius: 10px;
    color: var(--text-secondary);
    text-decoration: none;
    transition: all var(--transition-fast);
}

.category-list li a:hover {
    background: var(--accent-primary);
    color: white;
    transform: translateX(-4px);
}

.category-list li a .count {
    background: rgba(255, 255, 255, 0.2);
    padding: 2px 8px;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
}

/* Recent Posts Widget */
.recent-posts-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.recent-post-item {
    display: flex;
    gap: 12px;
    text-decoration: none;
    color: inherit;
    transition: all var(--transition-fast);
}

.recent-post-item:hover { transform: translateX(-4px); }

.recent-post-image {
    width: 70px;
    height: 70px;
    border-radius: 10px;
    overflow: hidden;
    flex-shrink: 0;
    background: var(--bg-tertiary);
}

.recent-post-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.recent-post-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-tertiary);
}

.recent-post-info h5 {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 6px;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.recent-post-info span {
    font-size: 0.78rem;
    color: var(--text-tertiary);
    display: flex;
    align-items: center;
    gap: 4px;
}

/* Newsletter Widget */
.newsletter-card {
    background: var(--accent-gradient) !important;
    color: white;
    text-align: center;
    border: none !important;
    position: relative;
    overflow: hidden;
}

.newsletter-icon {
    width: 56px;
    height: 56px;
    margin: 0 auto 16px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
}

.newsletter-card h4 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.newsletter-card p {
    font-size: 0.88rem;
    opacity: 0.9;
    margin-bottom: 20px;
}

.newsletter-form {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.newsletter-form input {
    padding: 12px 16px;
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.1);
    color: white;
    font-family: var(--font-family);
    outline: none;
}

.newsletter-form input::placeholder { color: rgba(255, 255, 255, 0.7); }

.newsletter-form button {
    padding: 12px;
    background: white;
    color: var(--accent-primary);
    border: none;
    border-radius: 10px;
    font-family: var(--font-family);
    font-weight: 700;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.newsletter-form button:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.2);
}

/* ===== Post Navigation ===== */
.post-navigation {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-top: 60px;
    padding-top: 40px;
    border-top: 1px solid var(--border-color);
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 20px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    text-decoration: none;
    color: var(--text-primary);
    transition: all var(--transition-base);
}

.nav-item:hover:not(.disabled) {
    border-color: var(--accent-primary);
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

.nav-item > i {
    width: 40px;
    height: 40px;
    background: var(--bg-tertiary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-primary);
    flex-shrink: 0;
    transition: all var(--transition-fast);
}

.nav-item:hover:not(.disabled) > i {
    background: var(--accent-gradient);
    color: white;
}

.nav-item.next {
    justify-content: flex-end;
    text-align: left;
}

.nav-content {
    display: flex;
    flex-direction: column;
    gap: 4px;
    min-width: 0;
}

.nav-label {
    font-size: 0.78rem;
    color: var(--text-tertiary);
    font-weight: 500;
}

.nav-title {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 250px;
}

.nav-item.disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* ===== Related Posts ===== */
.related-posts-section {
    margin-top: 80px;
}

.section-header {
    text-align: center;
    margin-bottom: 40px;
}

.section-badge {
    display: inline-block;
    padding: 6px 16px;
    background: rgba(30, 64, 175, 0.1);
    color: var(--accent-primary);
    border-radius: var(--radius-full);
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 16px;
}

.section-title {
    font-size: clamp(1.5rem, 3vw, 2rem);
    font-weight: 800;
    margin-bottom: 10px;
}

.related-posts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 24px;
}

.related-post-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    overflow: hidden;
    text-decoration: none;
    color: inherit;
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    display: flex;
    flex-direction: column;
}

.related-post-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: var(--accent-primary);
}

.related-post-image {
    position: relative;
    aspect-ratio: 16 / 10;
    overflow: hidden;
}

.related-post-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.related-post-card:hover .related-post-image img {
    transform: scale(1.08);
}

.related-post-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(30, 64, 175, 0.85), rgba(37, 99, 235, 0.75));
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity var(--transition-base);
}

.related-post-card:hover .related-post-overlay { opacity: 1; }

.view-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    background: white;
    color: var(--accent-primary);
    border-radius: var(--radius-full);
    font-size: 0.85rem;
    font-weight: 600;
    transform: translateY(10px);
    transition: transform var(--transition-base);
}

.related-post-card:hover .view-btn { transform: translateY(0); }

.related-post-content {
    padding: 20px;
}

.related-category {
    display: inline-block;
    padding: 4px 10px;
    background: rgba(30, 64, 175, 0.1);
    color: var(--accent-primary);
    border-radius: var(--radius-full);
    font-size: 0.72rem;
    font-weight: 600;
    margin-bottom: 10px;
}

.related-post-content h4 {
    font-size: 1.05rem;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--text-primary);
    line-height: 1.4;
}

.related-post-content p {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
    .detail-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .detail-sidebar {
        position: static;
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
    
    .newsletter-card {
        grid-column: 1 / -1;
    }
}

@media (max-width: 768px) {
    .blog-detail-hero {
        min-height: 50vh;
        padding: 60px 0 40px;
    }
    
    .hero-meta {
        flex-direction: column;
        gap: 10px;
    }
    
    .prose-content {
        padding: 24px;
        font-size: 1rem;
    }
    
    .author-box {
        flex-direction: column;
        text-align: center;
    }
    
    .author-avatar {
        margin: 0 auto;
    }
    
    .detail-sidebar {
        grid-template-columns: 1fr;
    }
    
    .post-navigation {
        grid-template-columns: 1fr;
    }
    
    .nav-item.next {
        justify-content: flex-start;
        text-align: right;
        flex-direction: row-reverse;
    }
    
    .related-posts-grid {
        grid-template-columns: 1fr;
    }
}