/* ============================================================
   Blog System CSS - SEO Quantum Pro
   Covers: Blog Index, Article Page, Admin Blog, Reading Progress
   Accent: #7C3AED (Purple)
   Dark mode: [data-theme="dark"]
   Breakpoints: 640px, 768px, 1024px
   ============================================================ */

/* ----------------------------------------------------------
   CSS Custom Properties
   ---------------------------------------------------------- */
:root {
    --blog-accent: #7C3AED;
    --blog-accent-hover: #6D28D9;
    --blog-accent-light: #EDE9FE;
    --blog-accent-rgb: 124, 58, 237;
    --blog-bg: #ffffff;
    --blog-bg-secondary: #f9fafb;
    --blog-bg-tertiary: #f3f4f6;
    --blog-text: #111827;
    --blog-text-secondary: #6b7280;
    --blog-text-muted: #9ca3af;
    --blog-border: #e5e7eb;
    --blog-border-light: #f3f4f6;
    --blog-shadow: 0 1px 3px rgba(0, 0, 0, 0.1), 0 1px 2px rgba(0, 0, 0, 0.06);
    --blog-shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --blog-shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --blog-radius: 0.75rem;
    --blog-radius-sm: 0.5rem;
    --blog-radius-lg: 1rem;
    --blog-transition: 0.2s ease;
}

[data-theme="dark"] {
    --blog-accent-light: rgba(124, 58, 237, 0.15);
    --blog-bg: #111827;
    --blog-bg-secondary: #1f2937;
    --blog-bg-tertiary: #374151;
    --blog-text: #f9fafb;
    --blog-text-secondary: #d1d5db;
    --blog-text-muted: #9ca3af;
    --blog-border: #374151;
    --blog-border-light: #1f2937;
    --blog-shadow: 0 1px 3px rgba(0, 0, 0, 0.3), 0 1px 2px rgba(0, 0, 0, 0.2);
    --blog-shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.3), 0 2px 4px -1px rgba(0, 0, 0, 0.2);
    --blog-shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.3), 0 4px 6px -2px rgba(0, 0, 0, 0.15);
}

/* ===========================================================
   1. READING PROGRESS BAR
   =========================================================== */
.reading-progress {
    position: fixed;
    top: 0;
    left: 0;
    width: 0%;
    height: 3px;
    background: linear-gradient(90deg, var(--blog-accent), #a78bfa);
    z-index: 9999;
    transition: width 0.1s linear;
}

/* ===========================================================
   2. BLOG HERO SECTION
   =========================================================== */
.blog-hero {
    background: linear-gradient(135deg, var(--blog-accent) 0%, #a78bfa 50%, #c4b5fd 100%);
    padding: 3rem 1.5rem;
    text-align: center;
    color: #ffffff;
    position: relative;
    overflow: hidden;
}

.blog-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    opacity: 0.3;
}

.blog-hero h1 {
    font-size: 2.25rem;
    font-weight: 800;
    margin-bottom: 0.75rem;
    position: relative;
    z-index: 1;
}

.blog-hero p {
    font-size: 1.125rem;
    opacity: 0.9;
    max-width: 600px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

@media (min-width: 768px) {
    .blog-hero {
        padding: 4rem 2rem;
    }
    .blog-hero h1 {
        font-size: 3rem;
    }
}

/* ===========================================================
   3. CATEGORY PILLS
   =========================================================== */
.blog-category-pills {
    display: flex;
    gap: 0.5rem;
    overflow-x: auto;
    padding: 1.25rem 1.5rem;
    background: var(--blog-bg);
    border-bottom: 1px solid var(--blog-border);
    -webkit-overflow-scrolling: touch;
    scrollbar-width: thin;
    scrollbar-color: var(--blog-border) transparent;
}

.blog-category-pills::-webkit-scrollbar {
    height: 4px;
}

.blog-category-pills::-webkit-scrollbar-track {
    background: transparent;
}

.blog-category-pills::-webkit-scrollbar-thumb {
    background: var(--blog-border);
    border-radius: 2px;
}

.blog-category-pill {
    flex-shrink: 0;
    padding: 0.5rem 1.25rem;
    border-radius: 9999px;
    font-size: 0.875rem;
    font-weight: 500;
    border: 1px solid var(--blog-border);
    background: var(--blog-bg);
    color: var(--blog-text-secondary);
    cursor: pointer;
    transition: all var(--blog-transition);
    white-space: nowrap;
    text-decoration: none;
}

.blog-category-pill:hover {
    border-color: var(--blog-accent);
    color: var(--blog-accent);
    background: var(--blog-accent-light);
}

.blog-category-pill.active {
    background: var(--blog-accent);
    color: #ffffff;
    border-color: var(--blog-accent);
}

/* ===========================================================
   4. BLOG GRID
   =========================================================== */
.blog-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
    padding: 1.5rem;
    max-width: 1280px;
    margin: 0 auto;
}

@media (min-width: 640px) {
    .blog-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .blog-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 2rem;
        padding: 2rem;
    }
}

/* ===========================================================
   5. BLOG CARD
   =========================================================== */
.blog-card {
    background: var(--blog-bg);
    border-radius: var(--blog-radius);
    border: 1px solid var(--blog-border);
    overflow: hidden;
    box-shadow: var(--blog-shadow);
    transition: transform var(--blog-transition), box-shadow var(--blog-transition);
    display: flex;
    flex-direction: column;
    position: relative;
}

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

.blog-card a {
    text-decoration: none;
    color: inherit;
}

/* Card Image */
.blog-card-image-wrapper {
    position: relative;
    overflow: hidden;
}

.blog-card-image {
    width: 100%;
    aspect-ratio: 16 / 9;
    object-fit: cover;
    display: block;
    transition: transform 0.3s ease;
}

.blog-card:hover .blog-card-image {
    transform: scale(1.05);
}

/* Featured Badge */
.blog-featured-badge {
    position: absolute;
    top: 0.75rem;
    right: 0.75rem;
    background: linear-gradient(135deg, #f59e0b, #d97706);
    color: #ffffff;
    font-size: 0.7rem;
    font-weight: 700;
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    z-index: 2;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.15);
}

/* Card Category Badge */
.blog-card-category {
    display: inline-block;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--blog-accent);
    background: var(--blog-accent-light);
    padding: 0.2rem 0.6rem;
    border-radius: 0.25rem;
    margin-bottom: 0.5rem;
}

/* Card Content */
.blog-card-content {
    padding: 1.25rem;
    display: flex;
    flex-direction: column;
    flex: 1;
}

/* Card Title */
.blog-card-title {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--blog-text);
    line-height: 1.4;
    margin-bottom: 0.5rem;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
}

.blog-card-title:hover {
    color: var(--blog-accent);
}

/* Card Excerpt */
.blog-card-excerpt {
    font-size: 0.875rem;
    color: var(--blog-text-secondary);
    line-height: 1.6;
    margin-bottom: 1rem;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
    flex: 1;
}

/* Card Meta */
.blog-card-meta {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.8rem;
    color: var(--blog-text-muted);
    padding-top: 0.75rem;
    border-top: 1px solid var(--blog-border-light);
    flex-wrap: wrap;
}

.blog-card-meta span {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.blog-card-meta svg,
.blog-card-meta i {
    width: 14px;
    height: 14px;
    flex-shrink: 0;
}

/* ===========================================================
   6. BLOG PAGINATION
   =========================================================== */
.blog-pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0.375rem;
    padding: 2rem 1.5rem;
}

.blog-pagination a,
.blog-pagination span {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 2.25rem;
    height: 2.25rem;
    padding: 0 0.5rem;
    border-radius: var(--blog-radius-sm);
    font-size: 0.875rem;
    font-weight: 500;
    text-decoration: none;
    transition: all var(--blog-transition);
    border: 1px solid var(--blog-border);
    color: var(--blog-text-secondary);
    background: var(--blog-bg);
}

.blog-pagination a:hover {
    border-color: var(--blog-accent);
    color: var(--blog-accent);
    background: var(--blog-accent-light);
}

.blog-pagination .active {
    background: var(--blog-accent);
    color: #ffffff;
    border-color: var(--blog-accent);
}

.blog-pagination .disabled {
    opacity: 0.4;
    cursor: not-allowed;
    pointer-events: none;
}

/* ===========================================================
   7. ARTICLE HERO
   =========================================================== */
.article-hero {
    position: relative;
    width: 100%;
    max-height: 500px;
    overflow: hidden;
}

.article-hero img {
    width: 100%;
    height: 100%;
    max-height: 500px;
    object-fit: cover;
    display: block;
}

.article-hero-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 3rem 1.5rem 2rem;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.8) 0%, rgba(0, 0, 0, 0.4) 50%, transparent 100%);
    color: #ffffff;
}

.article-hero-overlay h1 {
    font-size: clamp(1.75rem, 4vw + 0.5rem, 2.75rem);
    font-weight: 800;
    line-height: 1.3;
    margin-bottom: 0.75rem;
    max-width: 800px;
}

.article-hero-overlay .article-meta {
    display: flex;
    align-items: center;
    gap: 1rem;
    font-size: clamp(0.85rem, 0.8vw + 0.5rem, 0.95rem);
    opacity: 0.9;
    flex-wrap: wrap;
}

@media (min-width: 768px) {
    .article-hero-overlay {
        padding: 4rem 3rem 2.5rem;
    }
}

/* ===========================================================
   8. ARTICLE LAYOUT (Content + Sidebar)
   =========================================================== */
.article-layout {
    display: flex;
    flex-direction: column;
    max-width: 1280px;
    margin: 0 auto;
    padding: 2rem 1.5rem;
    gap: 2rem;
}

@media (min-width: 1024px) {
    .article-layout {
        flex-direction: row;
        padding: 2.5rem 2rem;
        gap: 3rem;
    }
}

/* ===========================================================
   9. TABLE OF CONTENTS (Sidebar)
   =========================================================== */
.article-toc {
    order: -1;
    background: var(--blog-bg-secondary);
    border: 1px solid var(--blog-border);
    border-radius: var(--blog-radius);
    padding: 1.25rem;
}

@media (min-width: 1024px) {
    .article-toc {
        order: 0;
        flex-shrink: 0;
        width: 260px;
        position: sticky;
        top: 5rem;
        max-height: calc(100vh - 6rem);
        overflow-y: auto;
        align-self: flex-start;
    }
}

.article-toc h3 {
    font-size: clamp(0.85rem, 0.8vw + 0.5rem, 0.95rem);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--blog-text-muted);
    margin-bottom: 0.75rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--blog-border);
}

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

.article-toc li {
    margin-bottom: 0.25rem;
}

.article-toc a {
    display: block;
    padding: 0.375rem 0.75rem;
    font-size: clamp(0.85rem, 0.8vw + 0.5rem, 0.95rem);
    color: var(--blog-text-secondary);
    text-decoration: none;
    border-radius: 0.375rem;
    border-left: 2px solid transparent;
    transition: all var(--blog-transition);
    line-height: 1.4;
}

.article-toc a:hover {
    color: var(--blog-accent);
    background: var(--blog-accent-light);
    border-left-color: var(--blog-accent);
}

.article-toc a.active {
    color: var(--blog-accent);
    background: var(--blog-accent-light);
    border-left-color: var(--blog-accent);
    font-weight: 600;
}

.article-toc li.toc-h3 a {
    padding-left: 1.5rem;
    font-size: clamp(0.8rem, 0.7vw + 0.5rem, 0.9rem);
}

/* ===========================================================
   10. ARTICLE CONTENT TYPOGRAPHY
   =========================================================== */
.article-content {
    flex: 1;
    min-width: 0;
    color: var(--blog-text);
    font-size: clamp(0.95rem, 1vw + 0.4rem, 1.05rem);
    line-height: 1.8;
}

.article-content h2 {
    font-size: clamp(1.5rem, 3vw + 0.5rem, 2.25rem);
    font-weight: 700;
    margin-top: 2.5rem;
    margin-bottom: 1rem;
    color: var(--blog-text);
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--blog-accent-light);
}

.article-content h3 {
    font-size: clamp(1.2rem, 2vw + 0.4rem, 1.65rem);
    font-weight: 600;
    margin-top: 2rem;
    margin-bottom: 0.75rem;
    color: var(--blog-text);
}

.article-content p {
    margin-bottom: 1.25rem;
}

.article-content a {
    color: var(--blog-accent);
    text-decoration: underline;
    text-underline-offset: 2px;
    transition: color var(--blog-transition);
}

.article-content a:hover {
    color: var(--blog-accent-hover);
}

.article-content ul,
.article-content ol {
    margin-bottom: 1.25rem;
    padding-left: 1.5rem;
}

.article-content ul {
    list-style-type: disc;
}

.article-content ol {
    list-style-type: decimal;
}

.article-content li {
    margin-bottom: 0.375rem;
    line-height: 1.7;
}

.article-content li::marker {
    color: var(--blog-accent);
}

.article-content blockquote {
    margin: 1.5rem 0;
    padding: 1rem 1.5rem;
    border-left: 4px solid var(--blog-accent);
    background: var(--blog-accent-light);
    border-radius: 0 var(--blog-radius-sm) var(--blog-radius-sm) 0;
    color: var(--blog-text-secondary);
    font-style: italic;
}

.article-content code {
    font-family: 'Fira Code', 'JetBrains Mono', monospace;
    font-size: 0.875em;
    background: var(--blog-bg-tertiary);
    padding: 0.15rem 0.4rem;
    border-radius: 0.25rem;
    border: 1px solid var(--blog-border);
    color: var(--blog-accent);
}

.article-content pre {
    margin: 1.5rem 0;
    padding: 1.25rem;
    background: var(--blog-bg-tertiary);
    border: 1px solid var(--blog-border);
    border-radius: var(--blog-radius-sm);
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.article-content pre code {
    background: none;
    border: none;
    padding: 0;
    font-size: clamp(0.8rem, 0.7vw + 0.5rem, 0.9rem);
    line-height: 1.6;
    color: var(--blog-text);
}

.article-content img {
    max-width: 100%;
    height: auto;
    border-radius: var(--blog-radius-sm);
    margin: 1.5rem 0;
    box-shadow: var(--blog-shadow-md);
}

.article-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 1.5rem 0;
    font-size: clamp(0.9rem, 0.9vw + 0.4rem, 1rem);
    overflow-x: auto;
    display: block;
}

@media (min-width: 768px) {
    .article-content table {
        display: table;
    }
}

.article-content th,
.article-content td {
    padding: 0.75rem 1rem;
    text-align: left;
    border: 1px solid var(--blog-border);
}

.article-content th {
    background: var(--blog-accent-light);
    font-weight: 600;
    color: var(--blog-text);
}

.article-content tr:nth-child(even) {
    background: var(--blog-bg-secondary);
}

/* ===========================================================
   11. SOCIAL SHARE BUTTONS
   =========================================================== */
.article-share {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1.25rem 0;
    margin: 2rem 0;
    border-top: 1px solid var(--blog-border);
    border-bottom: 1px solid var(--blog-border);
    flex-wrap: wrap;
}

.article-share-label {
    font-size: clamp(0.85rem, 0.8vw + 0.5rem, 0.95rem);
    font-weight: 600;
    color: var(--blog-text-secondary);
    margin-right: 0.5rem;
}

.article-share a,
.article-share button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2.25rem;
    height: 2.25rem;
    border-radius: 50%;
    border: 1px solid var(--blog-border);
    background: var(--blog-bg);
    color: var(--blog-text-secondary);
    text-decoration: none;
    transition: all var(--blog-transition);
    cursor: pointer;
    font-size: 0.875rem;
}

.article-share a:hover,
.article-share button:hover {
    background: var(--blog-accent);
    color: #ffffff;
    border-color: var(--blog-accent);
    transform: translateY(-2px);
}

/* ===========================================================
   12. AUTHOR BIO CARD
   =========================================================== */
.article-author {
    display: flex;
    gap: 1.25rem;
    padding: 1.5rem;
    background: var(--blog-bg-secondary);
    border: 1px solid var(--blog-border);
    border-radius: var(--blog-radius);
    margin: 2rem 0;
    align-items: flex-start;
}

.article-author-avatar {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    object-fit: cover;
    flex-shrink: 0;
    border: 3px solid var(--blog-accent-light);
}

.article-author-info h4 {
    font-size: clamp(1.05rem, 1.5vw + 0.4rem, 1.3rem);
    font-weight: 700;
    color: var(--blog-text);
    margin-bottom: 0.25rem;
}

.article-author-info p {
    font-size: clamp(0.85rem, 0.8vw + 0.5rem, 0.95rem);
    color: var(--blog-text-secondary);
    line-height: 1.6;
    margin: 0;
}

/* ===========================================================
   13. RELATED ARTICLES
   =========================================================== */
.article-related {
    margin: 3rem 0 1rem;
}

.article-related h2 {
    font-size: clamp(1.5rem, 3vw + 0.5rem, 2.25rem);
    font-weight: 700;
    color: var(--blog-text);
    margin-bottom: 1.5rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--blog-accent-light);
}

.article-related-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.25rem;
}

@media (min-width: 640px) {
    .article-related-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .article-related-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* ===========================================================
   14. BLOG NO ARTICLES STATE
   =========================================================== */
.blog-empty {
    grid-column: 1 / -1;
    text-align: center;
    padding: 4rem 2rem;
    color: var(--blog-text-muted);
}

.blog-empty svg,
.blog-empty i {
    font-size: 3rem;
    margin-bottom: 1rem;
    opacity: 0.4;
}

.blog-empty p {
    font-size: 1.125rem;
}

/* ===========================================================
   15. ADMIN BLOG STATS CARDS
   =========================================================== */
.admin-blog-stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
    margin-bottom: 1.5rem;
}

@media (min-width: 768px) {
    .admin-blog-stats {
        grid-template-columns: repeat(4, 1fr);
    }
}

.admin-blog-stat-card {
    background: var(--blog-bg);
    border: 1px solid var(--blog-border);
    border-radius: var(--blog-radius);
    padding: 1.25rem;
    text-align: center;
    transition: border-color var(--blog-transition);
}

.admin-blog-stat-card:hover {
    border-color: var(--blog-accent);
}

.admin-blog-stat-card .stat-value {
    font-size: 2rem;
    font-weight: 800;
    color: var(--blog-accent);
    line-height: 1;
    margin-bottom: 0.375rem;
}

.admin-blog-stat-card .stat-label {
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--blog-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

/* ===========================================================
   16. ADMIN BLOG TABLE
   =========================================================== */
.admin-blog-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--blog-bg);
    border: 1px solid var(--blog-border);
    border-radius: var(--blog-radius);
    overflow: hidden;
    font-size: 0.875rem;
}

.admin-blog-table thead {
    background: var(--blog-bg-secondary);
}

.admin-blog-table th {
    padding: 0.75rem 1rem;
    text-align: left;
    font-weight: 600;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--blog-text-secondary);
    border-bottom: 2px solid var(--blog-border);
}

.admin-blog-table td {
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--blog-border-light);
    color: var(--blog-text);
    vertical-align: middle;
}

.admin-blog-table tbody tr {
    transition: background var(--blog-transition);
}

.admin-blog-table tbody tr:hover {
    background: var(--blog-bg-secondary);
}

.admin-blog-table tbody tr:last-child td {
    border-bottom: none;
}

/* Status badges in table */
.admin-blog-status {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    padding: 0.25rem 0.625rem;
    border-radius: 9999px;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.admin-blog-status.published {
    background: rgba(16, 185, 129, 0.1);
    color: #059669;
}

[data-theme="dark"] .admin-blog-status.published {
    background: rgba(16, 185, 129, 0.15);
    color: #34d399;
}

.admin-blog-status.draft {
    background: rgba(245, 158, 11, 0.1);
    color: #d97706;
}

[data-theme="dark"] .admin-blog-status.draft {
    background: rgba(245, 158, 11, 0.15);
    color: #fbbf24;
}

/* ===========================================================
   17. ADMIN BLOG ACTIONS
   =========================================================== */
.admin-blog-actions {
    display: flex;
    gap: 0.375rem;
    align-items: center;
}

.admin-blog-actions a,
.admin-blog-actions button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.375rem 0.75rem;
    font-size: 0.75rem;
    font-weight: 500;
    border-radius: 0.375rem;
    border: 1px solid var(--blog-border);
    background: var(--blog-bg);
    color: var(--blog-text-secondary);
    cursor: pointer;
    text-decoration: none;
    transition: all var(--blog-transition);
    gap: 0.25rem;
    white-space: nowrap;
}

.admin-blog-actions a:hover,
.admin-blog-actions button:hover {
    border-color: var(--blog-accent);
    color: var(--blog-accent);
    background: var(--blog-accent-light);
}

.admin-blog-actions .btn-danger:hover {
    border-color: #ef4444;
    color: #ef4444;
    background: rgba(239, 68, 68, 0.1);
}

.admin-blog-actions .btn-success:hover {
    border-color: #10b981;
    color: #10b981;
    background: rgba(16, 185, 129, 0.1);
}

/* ===========================================================
   18. ADMIN BLOG EDITOR LAYOUT
   =========================================================== */
.admin-blog-editor {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

@media (min-width: 1024px) {
    .admin-blog-editor {
        flex-direction: row;
    }
}

.admin-blog-editor-main {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

/* ===========================================================
   19. ADMIN BLOG SIDEBAR
   =========================================================== */
.admin-blog-sidebar {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

@media (min-width: 1024px) {
    .admin-blog-sidebar {
        width: 320px;
        flex-shrink: 0;
    }
}

.admin-blog-sidebar-section {
    background: var(--blog-bg);
    border: 1px solid var(--blog-border);
    border-radius: var(--blog-radius);
    padding: 1.25rem;
}

.admin-blog-sidebar-section h3 {
    font-size: 0.875rem;
    font-weight: 700;
    color: var(--blog-text);
    margin-bottom: 0.75rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--blog-border);
}

.admin-blog-sidebar-section label {
    display: block;
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--blog-text-secondary);
    margin-bottom: 0.375rem;
}

.admin-blog-sidebar-section input,
.admin-blog-sidebar-section select,
.admin-blog-sidebar-section textarea {
    width: 100%;
    padding: 0.5rem 0.75rem;
    font-size: 0.875rem;
    border: 1px solid var(--blog-border);
    border-radius: 0.375rem;
    background: var(--blog-bg);
    color: var(--blog-text);
    transition: border-color var(--blog-transition);
    margin-bottom: 0.75rem;
}

.admin-blog-sidebar-section input:focus,
.admin-blog-sidebar-section select:focus,
.admin-blog-sidebar-section textarea:focus {
    outline: none;
    border-color: var(--blog-accent);
    box-shadow: 0 0 0 3px rgba(var(--blog-accent-rgb), 0.15);
}

/* ===========================================================
   20. CHARACTER COUNTER
   =========================================================== */
.admin-char-counter {
    display: flex;
    justify-content: flex-end;
    font-size: 0.7rem;
    color: var(--blog-text-muted);
    margin-top: -0.5rem;
    margin-bottom: 0.5rem;
}

.admin-char-counter.warning {
    color: #f59e0b;
}

.admin-char-counter.danger {
    color: #ef4444;
}

/* ===========================================================
   21. ADMIN EDITOR INPUT STYLES
   =========================================================== */
.admin-blog-editor-main input[type="text"],
.admin-blog-editor-main textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    font-size: 1rem;
    border: 1px solid var(--blog-border);
    border-radius: var(--blog-radius-sm);
    background: var(--blog-bg);
    color: var(--blog-text);
    transition: border-color var(--blog-transition), box-shadow var(--blog-transition);
}

.admin-blog-editor-main input[type="text"]:focus,
.admin-blog-editor-main textarea:focus {
    outline: none;
    border-color: var(--blog-accent);
    box-shadow: 0 0 0 3px rgba(var(--blog-accent-rgb), 0.15);
}

.admin-blog-editor-main .title-input {
    font-size: 1.5rem;
    font-weight: 700;
    padding: 1rem;
}

.admin-blog-editor-main .content-textarea {
    min-height: 500px;
    font-family: 'Fira Code', 'JetBrains Mono', monospace;
    font-size: 0.875rem;
    line-height: 1.7;
    resize: vertical;
}

/* ===========================================================
   22. ADMIN BULK ACTIONS BAR
   =========================================================== */
.admin-blog-bulk-bar {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    background: var(--blog-accent-light);
    border: 1px solid var(--blog-accent);
    border-radius: var(--blog-radius-sm);
    margin-bottom: 1rem;
    flex-wrap: wrap;
}

.admin-blog-bulk-bar span {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--blog-accent);
}

.admin-blog-bulk-bar select,
.admin-blog-bulk-bar button {
    padding: 0.375rem 0.75rem;
    font-size: 0.8rem;
    border-radius: 0.375rem;
    border: 1px solid var(--blog-accent);
}

.admin-blog-bulk-bar button {
    background: var(--blog-accent);
    color: #ffffff;
    cursor: pointer;
    font-weight: 600;
    transition: background var(--blog-transition);
}

.admin-blog-bulk-bar button:hover {
    background: var(--blog-accent-hover);
}

/* ===========================================================
   23. AI BLOG GENERATOR FORM
   =========================================================== */
.blog-generate-form {
    max-width: 640px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.blog-generate-form label {
    display: block;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--blog-text);
    margin-bottom: 0.375rem;
}

.blog-generate-form input,
.blog-generate-form select,
.blog-generate-form textarea {
    width: 100%;
    padding: 0.625rem 0.875rem;
    font-size: 0.9375rem;
    border: 1px solid var(--blog-border);
    border-radius: var(--blog-radius-sm);
    background: var(--blog-bg);
    color: var(--blog-text);
    transition: border-color var(--blog-transition), box-shadow var(--blog-transition);
}

.blog-generate-form input:focus,
.blog-generate-form select:focus,
.blog-generate-form textarea:focus {
    outline: none;
    border-color: var(--blog-accent);
    box-shadow: 0 0 0 3px rgba(var(--blog-accent-rgb), 0.15);
}

.blog-generate-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 2rem;
    font-size: 1rem;
    font-weight: 600;
    color: #ffffff;
    background: linear-gradient(135deg, var(--blog-accent), #a78bfa);
    border: none;
    border-radius: var(--blog-radius-sm);
    cursor: pointer;
    transition: transform var(--blog-transition), box-shadow var(--blog-transition);
}

.blog-generate-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(var(--blog-accent-rgb), 0.4);
}

.blog-generate-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.blog-generate-btn .spinner {
    display: none;
    width: 18px;
    height: 18px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: #ffffff;
    border-radius: 50%;
    animation: blog-spin 0.6s linear infinite;
}

.blog-generate-btn.loading .spinner {
    display: block;
}

@keyframes blog-spin {
    to { transform: rotate(360deg); }
}

/* ===========================================================
   24. ARTICLE TAGS
   =========================================================== */
.article-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin: 1.5rem 0;
}

.article-tag {
    display: inline-flex;
    align-items: center;
    padding: 0.3rem 0.75rem;
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--blog-accent);
    background: var(--blog-accent-light);
    border-radius: 9999px;
    text-decoration: none;
    transition: all var(--blog-transition);
}

.article-tag:hover {
    background: var(--blog-accent);
    color: #ffffff;
}

/* ===========================================================
   25. BACK TO BLOG LINK
   =========================================================== */
.blog-back-link {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    padding: 0.5rem 0;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--blog-text-secondary);
    text-decoration: none;
    transition: color var(--blog-transition);
    margin-bottom: 1rem;
}

.blog-back-link:hover {
    color: var(--blog-accent);
}

.blog-back-link svg {
    width: 16px;
    height: 16px;
}

/* ===========================================================
   26. RESPONSIVE TABLE WRAPPER
   =========================================================== */
.admin-blog-table-wrapper {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    border: 1px solid var(--blog-border);
    border-radius: var(--blog-radius);
}

.admin-blog-table-wrapper .admin-blog-table {
    border: none;
    border-radius: 0;
}

/* ===========================================================
   27. ADMIN HEADER BAR
   =========================================================== */
.admin-blog-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.admin-blog-header h1 {
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--blog-text);
    margin: 0;
}

.admin-blog-header-actions {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.admin-blog-header-actions .btn {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
    font-weight: 600;
    border-radius: 0.5rem;
    border: none;
    cursor: pointer;
    text-decoration: none;
    transition: all var(--blog-transition);
}

.admin-blog-header-actions .btn-primary {
    background: var(--blog-accent);
    color: #ffffff;
}

.admin-blog-header-actions .btn-primary:hover {
    background: var(--blog-accent-hover);
    transform: translateY(-1px);
}

.admin-blog-header-actions .btn-secondary {
    background: var(--blog-bg-secondary);
    color: var(--blog-text-secondary);
    border: 1px solid var(--blog-border);
}

.admin-blog-header-actions .btn-secondary:hover {
    border-color: var(--blog-accent);
    color: var(--blog-accent);
}

/* ===========================================================
   28. UTILITY CLASSES
   =========================================================== */
.blog-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

@media (min-width: 768px) {
    .blog-container {
        padding: 0 2rem;
    }
}

.blog-section-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--blog-text);
    margin-bottom: 1.25rem;
}

/* ===========================================================
   29. MOBILE COMPACTION TIER (480px and below)
   Aggressive article-content compaction for small phones.
   Scoped to article content only — app UI unaffected.
   =========================================================== */
@media (max-width: 480px) {
    .sqp-article,
    .single-post,
    article,
    .blog-article,
    .post-content,
    .article-content {
        padding: 1rem !important;
    }

    .sqp-hero { padding: 1.5rem 1rem !important; }
    .sqp-hero h2 { font-size: clamp(1.25rem, 5vw, 1.5rem) !important; }

    .sqp-toc,
    .article-toc { padding: 1rem !important; }
    .sqp-toc ul li { padding-left: 2rem !important; }
    .sqp-toc ul li::before { width: 1.5rem; height: 1.5rem; font-size: 0.7rem; }

    .sqp-metrics,
    .sqp-stats-grid { grid-template-columns: 1fr !important; }

    .sqp-steps { padding-left: 2.5rem !important; }
    .sqp-step::before { width: 2rem; height: 2rem; left: -3rem; font-size: 0.85rem; }

    .sqp-btn {
        padding: 0.6rem 1rem !important;
        font-size: clamp(0.85rem, 3vw, 0.95rem) !important;
    }

    .sqp-grid,
    .sqp-pros-cons,
    .sqp-vs { grid-template-columns: 1fr !important; }

    .sqp-table-wrapper table,
    .article-content table { font-size: 0.85rem !important; }

    /* Compress info-box padding */
    .sqp-highlight, .sqp-warning, .sqp-info, .sqp-success, .sqp-danger {
        padding: 1rem !important;
    }
}

/* ===========================================================
   30. PRINT STYLES
   =========================================================== */
@media print {
    .reading-progress,
    .article-toc,
    .article-share,
    .article-related,
    .blog-category-pills,
    .blog-pagination,
    .blog-back-link {
        display: none !important;
    }

    .article-content {
        font-size: 12pt;
        line-height: 1.6;
        color: #000000;
    }

    .article-hero-overlay h1 {
        color: #000000;
    }
}