/* ==========================================================================
   Articles & Reviews — Supplementary Styles
   Extends styles.css classes for article/review pages
   ========================================================================== */

/* ==========================================================================
   1. Table of Contents (TOC)
   ========================================================================== */
.toc {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--space-xl);
    margin-bottom: var(--space-2xl);
    position: relative;
}

.toc::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
}

.toc__title {
    font-family: var(--font-heading);
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--primary);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin-bottom: var(--space-md);
}

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

.toc__list li {
    counter-increment: toc-counter;
    margin-bottom: var(--space-sm);
}

.toc__list li a {
    display: flex;
    align-items: baseline;
    gap: var(--space-sm);
    font-size: 0.9rem;
    color: var(--text-secondary);
    text-decoration: none;
    padding: var(--space-xs) 0;
    transition: color var(--transition-fast);
    border-bottom: 1px solid transparent;
}

.toc__list li a::before {
    content: counter(toc-counter, decimal-leading-zero);
    font-family: var(--font-heading);
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-muted);
    flex-shrink: 0;
    min-width: 20px;
}

.toc__list li a:hover {
    color: var(--primary);
}

.toc__list li a:hover::before {
    color: var(--primary);
}

/* ==========================================================================
   2. Article Header (extends .page-hero--article)
   ========================================================================== */
.article-header {
    margin-bottom: var(--space-2xl);
}

.article-header__category {
    display: inline-block;
    font-family: var(--font-heading);
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--bg-dark);
    background: var(--primary);
    padding: 4px 12px;
    border-radius: var(--radius-sm);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    margin-bottom: var(--space-md);
}

.article-header__title {
    font-family: var(--font-heading);
    font-size: 2.2rem;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.2;
    margin-bottom: var(--space-md);
}

.article-header__meta {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
    flex-wrap: wrap;
}

.article-header__date {
    font-size: 0.85rem;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: var(--space-xs);
}

.article-header__reading-time {
    font-family: var(--font-heading);
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--secondary);
    padding: 3px 10px;
    border: 1px solid rgba(0, 212, 255, 0.3);
    border-radius: var(--radius-sm);
    letter-spacing: 0.04em;
}

@media (max-width: 768px) {
    .article-header__title {
        font-size: 1.6rem;
    }
}

/* ==========================================================================
   3. Article Body (extends .content-card--article)
   ========================================================================== */
.article-body {
    font-family: var(--font-body);
    font-size: 1rem;
    line-height: 1.8;
    color: var(--text-secondary);
}

.article-body h2 {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
    margin-top: var(--space-2xl);
    margin-bottom: var(--space-md);
    padding-bottom: var(--space-sm);
    border-bottom: 1px solid var(--border-color);
    position: relative;
}

.article-body h2::before {
    content: '//';
    color: var(--text-muted);
    margin-right: var(--space-sm);
    font-weight: 400;
    opacity: 0.5;
}

.article-body h3 {
    font-family: var(--font-heading);
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-top: var(--space-xl);
    margin-bottom: var(--space-sm);
}

.article-body h3::before {
    content: '>';
    color: var(--primary);
    margin-right: var(--space-sm);
    font-weight: 700;
}

.article-body h4 {
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-top: var(--space-lg);
    margin-bottom: var(--space-sm);
}

.article-body p {
    margin-bottom: var(--space-md);
    color: var(--text-secondary);
    line-height: 1.8;
}

.article-body p:last-child {
    margin-bottom: 0;
}

.article-body strong {
    color: var(--text-primary);
    font-weight: 600;
}

.article-body em {
    color: var(--text-secondary);
    font-style: italic;
}

.article-body a {
    color: var(--primary);
    text-decoration: none;
    border-bottom: 1px solid rgba(0, 255, 170, 0.3);
    transition: all var(--transition-fast);
}

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

/* Article Lists */
.article-body ul {
    list-style: none;
    padding: 0;
    margin-bottom: var(--space-lg);
}

.article-body ul li {
    position: relative;
    padding-left: var(--space-lg);
    margin-bottom: var(--space-sm);
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.7;
}

.article-body ul li::before {
    content: '▹';
    position: absolute;
    left: 0;
    color: var(--primary);
    font-weight: 700;
}

.article-body ol {
    list-style: none;
    padding: 0;
    margin-bottom: var(--space-lg);
    counter-reset: article-ol;
}

.article-body ol li {
    position: relative;
    padding-left: calc(var(--space-lg) + 4px);
    margin-bottom: var(--space-sm);
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.7;
    counter-increment: article-ol;
}

.article-body ol li::before {
    content: counter(article-ol) '.';
    position: absolute;
    left: 0;
    font-family: var(--font-heading);
    font-weight: 600;
    color: var(--primary);
    font-size: 0.85rem;
}

/* Nested lists inside article-body */
.article-body ul ul,
.article-body ol ul,
.article-body ul ol {
    margin-top: var(--space-sm);
    margin-bottom: var(--space-sm);
}

.article-body ul ul li::before {
    content: '—';
    color: var(--text-muted);
}

/* Article Blockquote */
.article-body blockquote {
    border-left: 3px solid var(--primary);
    padding: var(--space-md) var(--space-lg);
    margin: var(--space-xl) 0;
    background: rgba(0, 255, 170, 0.03);
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

.article-body blockquote p {
    font-size: 1.05rem;
    font-style: italic;
    color: var(--text-secondary);
    margin-bottom: 0;
}

/* Article Code */
.article-body code {
    font-family: var(--font-heading);
    font-size: 0.85em;
    color: var(--primary);
    background: rgba(0, 255, 170, 0.08);
    padding: 2px 6px;
    border-radius: 3px;
    border: 1px solid rgba(0, 255, 170, 0.15);
}

.article-body pre {
    background: var(--bg-darker);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: var(--space-lg);
    overflow-x: auto;
    margin: var(--space-xl) 0;
}

.article-body pre code {
    background: none;
    border: none;
    padding: 0;
    font-size: 0.85rem;
    color: var(--text-primary);
    line-height: 1.6;
}

/* ==========================================================================
   4. Article Tables (extends .content-card--article)
   ========================================================================== */
.article-body table,
.content-table {
    width: 100%;
    border-collapse: collapse;
    margin: var(--space-xl) 0;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    overflow: hidden;
    font-size: 0.9rem;
}

.article-body thead,
.content-table thead {
    background: var(--bg-elevated);
}

.article-body th,
.content-table th {
    font-family: var(--font-heading);
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--primary);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    padding: var(--space-md) var(--space-lg);
    text-align: left;
    border-bottom: 2px solid var(--border-color);
    white-space: nowrap;
}

.article-body td,
.content-table td {
    padding: var(--space-md) var(--space-lg);
    color: var(--text-secondary);
    border-bottom: 1px solid var(--border-color);
    line-height: 1.6;
    vertical-align: top;
}

.article-body tr:last-child td,
.content-table tr:last-child td {
    border-bottom: none;
}

.article-body tr:hover td,
.content-table tr:hover td {
    background: rgba(0, 255, 170, 0.02);
}

.article-body td strong,
.content-table td strong {
    color: var(--text-primary);
    font-weight: 600;
}

@media (max-width: 768px) {
    .article-body table,
    .content-table {
        display: block;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }

    .article-body th,
    .article-body td,
    .content-table th,
    .content-table td {
        padding: var(--space-sm) var(--space-md);
        font-size: 0.8rem;
        min-width: 120px;
    }
}

/* ==========================================================================
   5. Breadcrumbs (extends .breadcrumb)
   ========================================================================== */
.breadcrumbs {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--space-sm);
    margin-bottom: var(--space-lg);
    font-size: 0.85rem;
    font-family: var(--font-heading);
    letter-spacing: 0.02em;
}

.breadcrumbs a {
    color: var(--text-muted);
    text-decoration: none;
    transition: color var(--transition-fast);
}

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

.breadcrumbs__sep {
    color: var(--text-muted);
    opacity: 0.5;
    font-size: 0.75rem;
}

.breadcrumbs__current {
    color: var(--text-secondary);
    max-width: 300px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* ==========================================================================
   6. Sidebar
   ========================================================================== */
.sidebar {
    position: sticky;
    top: calc(var(--header-height) + var(--space-xl));
}

.sidebar__section {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--space-xl);
    margin-bottom: var(--space-lg);
    position: relative;
    overflow: hidden;
}

.sidebar__section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    opacity: 0;
    transition: opacity var(--transition-base);
}

.sidebar__section:hover::before {
    opacity: 1;
}

.sidebar__title {
    font-family: var(--font-heading);
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-primary);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin-bottom: var(--space-lg);
    padding-bottom: var(--space-sm);
    border-bottom: 1px solid var(--border-color);
}

.sidebar__nav {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.sidebar__link {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 0.85rem;
    color: var(--text-muted);
    text-decoration: none;
    padding: var(--space-sm) 0;
    transition: color var(--transition-fast);
    border-bottom: 1px solid transparent;
}

.sidebar__link::before {
    content: '▹';
    color: var(--border-color);
    font-weight: 700;
    flex-shrink: 0;
    transition: color var(--transition-fast);
}

.sidebar__link:hover {
    color: var(--primary);
}

.sidebar__link:hover::before {
    color: var(--primary);
}

.sidebar__link.is-active {
    color: var(--primary);
}

.sidebar__link.is-active::before {
    color: var(--primary);
}

/* Sidebar Provider Card */
.sidebar__provider {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md);
    background: var(--bg-darker);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    margin-bottom: var(--space-sm);
    text-decoration: none;
    transition: all var(--transition-base);
}

.sidebar__provider:hover {
    border-color: rgba(0, 255, 170, 0.3);
    transform: translateY(-2px);
}

.sidebar__provider-name {
    font-family: var(--font-heading);
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-primary);
}

.sidebar__provider-count {
    font-size: 0.75rem;
    color: var(--text-muted);
}

/* Sidebar CTA */
.sidebar__cta {
    text-align: center;
    padding: var(--space-lg);
    background: linear-gradient(135deg, rgba(0, 255, 170, 0.05), rgba(0, 212, 255, 0.05));
    border: 1px solid rgba(0, 255, 170, 0.2);
    border-radius: var(--radius-md);
}

.sidebar__cta-text {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: var(--space-md);
}

/* ==========================================================================
   7. Article Layout with Sidebar
   ========================================================================== */
.article-layout {
    display: grid;
    grid-template-columns: 1fr 280px;
    gap: var(--space-2xl);
    align-items: start;
}

.article-layout__main {
    min-width: 0;
}

.article-layout__sidebar {
    min-width: 0;
}

@media (max-width: 992px) {
    .article-layout {
        grid-template-columns: 1fr;
    }

    .article-layout__sidebar {
        order: -1;
    }

    .sidebar {
        position: static;
    }
}

/* ==========================================================================
   8. Article Image / Media
   ========================================================================== */
.article-body img {
    max-width: 100%;
    height: auto;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    margin: var(--space-xl) 0;
}

.article-body figure {
    margin: var(--space-xl) 0;
}

.article-body figcaption {
    font-family: var(--font-heading);
    font-size: 0.8rem;
    color: var(--text-muted);
    text-align: center;
    margin-top: var(--space-sm);
    letter-spacing: 0.02em;
}

/* ==========================================================================
   9. Article Tags
   ========================================================================== */
.article-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
    margin-top: var(--space-2xl);
    padding-top: var(--space-lg);
    border-top: 1px solid var(--border-color);
}

.article-tags__label {
    font-family: var(--font-heading);
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    padding: 4px 0;
}

.article-tag {
    display: inline-flex;
    align-items: center;
    font-family: var(--font-heading);
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--text-secondary);
    background: var(--bg-darker);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 4px 12px;
    text-decoration: none;
    transition: all var(--transition-fast);
    letter-spacing: 0.02em;
}

.article-tag:hover {
    color: var(--primary);
    border-color: rgba(0, 255, 170, 0.3);
    background: rgba(0, 255, 170, 0.05);
}

/* ==========================================================================
   10. Related Articles
   ========================================================================== */
.related-articles {
    margin-top: var(--space-3xl);
    padding-top: var(--space-2xl);
    border-top: 1px solid var(--border-color);
}

.related-articles__title {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--space-xl);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.related-articles__title::before {
    content: '>';
    color: var(--primary);
    font-weight: 700;
}

.related-articles__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
}

@media (max-width: 768px) {
    .related-articles__grid {
        grid-template-columns: 1fr;
    }
}

/* ==========================================================================
   11. Article Navigation (Prev/Next)
   ========================================================================== */
.article-nav {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-lg);
    margin-top: var(--space-2xl);
    padding-top: var(--space-xl);
    border-top: 1px solid var(--border-color);
}

.article-nav__link {
    display: block;
    padding: var(--space-lg);
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    text-decoration: none;
    transition: all var(--transition-base);
}

.article-nav__link:hover {
    border-color: rgba(0, 255, 170, 0.3);
    transform: translateY(-2px);
    box-shadow: var(--shadow-card);
}

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

.article-nav__label {
    display: block;
    font-family: var(--font-heading);
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin-bottom: var(--space-xs);
}

.article-nav__title {
    font-family: var(--font-heading);
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--primary);
    line-height: 1.4;
}

@media (max-width: 480px) {
    .article-nav {
        grid-template-columns: 1fr;
    }
}

/* ==========================================================================
   12. Review Specific Extensions
   ========================================================================== */
.review-rating {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    margin-bottom: var(--space-lg);
}

.review-rating__score {
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary);
    text-shadow: var(--glow-primary);
}

.review-rating__label {
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* Review Pros/Cons */
.review-pros-cons {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-lg);
    margin: var(--space-xl) 0;
}

.review-pros,
.review-cons {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--space-xl);
}

.review-pros {
    border-top: 3px solid var(--primary);
}

.review-cons {
    border-top: 3px solid var(--accent);
}

.review-pros__title,
.review-cons__title {
    font-family: var(--font-heading);
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin-bottom: var(--space-md);
}

.review-pros__title {
    color: var(--primary);
}

.review-cons__title {
    color: var(--accent);
}

.review-pros ul,
.review-cons ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.review-pros ul li,
.review-cons ul li {
    position: relative;
    padding-left: var(--space-lg);
    margin-bottom: var(--space-sm);
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

.review-pros ul li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary);
    font-weight: 700;
}

.review-cons ul li::before {
    content: '✕';
    position: absolute;
    left: 0;
    color: var(--accent);
    font-weight: 700;
}

@media (max-width: 480px) {
    .review-pros-cons {
        grid-template-columns: 1fr;
    }
}

/* ==========================================================================
   13. Article Highlight / Callout Box
   ========================================================================== */
.article-callout {
    background: var(--bg-card);
    border: 1px solid rgba(0, 255, 170, 0.2);
    border-left: 4px solid var(--primary);
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
    padding: var(--space-xl);
    margin: var(--space-xl) 0;
}

.article-callout--warning {
    border-left-color: var(--accent);
    border-color: rgba(255, 0, 170, 0.15);
    background: rgba(255, 0, 170, 0.03);
}

.article-callout--info {
    border-left-color: var(--secondary);
    border-color: rgba(0, 212, 255, 0.15);
    background: rgba(0, 212, 255, 0.03);
}

.article-callout__title {
    font-family: var(--font-heading);
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-primary);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    margin-bottom: var(--space-sm);
}

.article-callout p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 0;
    line-height: 1.7;
}

/* ==========================================================================
   14. Article Sharing
   ========================================================================== */
.article-share {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    margin-top: var(--space-xl);
    padding-top: var(--space-lg);
    border-top: 1px solid var(--border-color);
}

.article-share__label {
    font-family: var(--font-heading);
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    flex-shrink: 0;
}

.article-share__link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.9rem;
    transition: all var(--transition-fast);
}

.article-share__link:hover {
    color: var(--primary);
    border-color: rgba(0, 255, 170, 0.3);
    background: rgba(0, 255, 170, 0.05);
}

/* ==========================================================================
   15. Notification Styles (from auth.js)
   ========================================================================== */
.m-notification {
    position: fixed;
    top: calc(var(--header-height) + var(--space-md));
    right: var(--space-md);
    z-index: 3000;
    max-width: 380px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--space-md) var(--space-lg);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
    transform: translateX(120%);
    transition: transform var(--transition-base);
    border-left: 3px solid var(--text-muted);
}

.m-notification.show {
    transform: translateX(0);
}

.m-notification--success {
    border-left-color: var(--primary);
}

.m-notification--error {
    border-left-color: var(--accent);
}

.m-notification--info {
    border-left-color: var(--secondary);
}

.m-notification--warning {
    border-left-color: #ffc107;
}

.m-notification--xp {
    border-left-color: var(--primary);
}

.m-notification--level {
    border-left-color: #ffc107;
}

.m-notification__content {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.m-notification__icon {
    font-size: 1.25rem;
    flex-shrink: 0;
}

.m-notification__message {
    font-size: 0.9rem;
    color: var(--text-primary);
    line-height: 1.4;
}

/* ==========================================================================
   16. Print Styles
   ========================================================================== */
@media print {
    .header,
    .footer,
    .sidebar,
    .article-cta,
    .article-share,
    .article-nav,
    .cookie-consent,
    .modal,
    .toc {
        display: none !important;
    }

    .main {
        margin-top: 0;
    }

    .article-body {
        color: #000;
    }

    .article-body h2,
    .article-body h3 {
        color: #000;
    }

    .article-body h2::before,
    .article-body h3::before {
        display: none;
    }

    .article-body a {
        color: #000;
        text-decoration: underline;
    }

    .article-body table,
    .content-table {
        border-color: #ccc;
    }
}