/* ═══════════════════════════════════════════════════════════════════
   TheRobotInsider — Blog / Article Styles
   Covers: article cards, article archive, single article page
   ═══════════════════════════════════════════════════════════════════ */

/* ─── Article Card ────────────────────────────────────────────────── */

.tri-article-card {
    background: var(--bg-card, #fff);
    border: 1px solid var(--border-default, #e5e7eb);
    border-radius: 12px;
    overflow: hidden;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.tri-article-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg, 0 8px 30px rgba(0,0,0,0.08));
}

.tri-article-card-inner {
    display: flex;
    gap: 0;
}

.tri-article-card-thumb {
    flex-shrink: 0;
    width: 240px;
    min-height: 180px;
    overflow: hidden;
}

.tri-article-card-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.tri-article-card:hover .tri-article-card-thumb img {
    transform: scale(1.05);
}

.tri-article-card-body {
    flex: 1;
    padding: 1.25rem 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    min-width: 0;
}

.tri-article-card-meta {
    display: flex;
    align-items: center;
    gap: 0.625rem;
    flex-wrap: wrap;
}

.tri-article-date {
    font-size: 0.75rem;
    color: var(--text-muted, #9ca3af);
}

.tri-article-read-time {
    font-size: 0.75rem;
    color: var(--text-muted, #9ca3af);
    padding-left: 0.625rem;
    border-left: 1px solid var(--border-default, #e5e7eb);
}

.tri-article-card-title {
    font-family: var(--font-display, 'Plus Jakarta Sans', sans-serif);
    font-size: clamp(1rem, 1.5vw, 1.25rem);
    font-weight: 700;
    line-height: 1.35;
    margin: 0;
}

.tri-article-card-title a {
    color: var(--text-primary, #1e293b);
    text-decoration: none;
    transition: color 0.15s;
}

.tri-article-card-title a:hover {
    color: var(--accent, #6366f1);
}

.tri-article-card-sub {
    font-size: 0.875rem;
    color: var(--text-secondary, #64748b);
    line-height: 1.55;
    margin: 0;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.tri-article-card-link {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--accent, #6366f1);
    text-decoration: none;
    margin-top: auto;
    padding-top: 0.25rem;
    transition: gap 0.2s;
}

.tri-article-card-link:hover {
    gap: 0.625rem;
}

/* ─── Articles Archive Page ───────────────────────────────────────── */

.tri-articles-page {
    padding-top: 1rem;
}

.tri-articles-header {
    padding: 2.5rem 0 1.5rem;
    text-align: center;
}

.tri-articles-title {
    font-family: var(--font-display, 'Plus Jakarta Sans', sans-serif);
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 800;
    color: var(--text-primary);
    margin: 0.25rem 0 0.5rem;
}

.tri-articles-desc {
    font-size: 1rem;
    color: var(--text-secondary);
    max-width: 640px;
    margin: 0 auto 1.25rem;
    line-height: 1.6;
}

.tri-articles-toolbar {
    display: flex;
    justify-content: center;
    margin-top: 1rem;
}

.tri-articles-search {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--bg-card, #fff);
    border: 1px solid var(--border-default, #e5e7eb);
    border-radius: 999px;
    padding: 0.5rem 1rem;
    max-width: 420px;
    width: 100%;
}

.tri-articles-search input {
    border: none;
    background: transparent;
    flex: 1;
    font-size: 0.875rem;
    color: var(--text-primary);
    outline: none;
}

.tri-articles-tabs-bar {
    border-bottom: 1px solid var(--border-default, #e5e7eb);
    margin-bottom: 1.5rem;
    overflow-x: auto;
}

.tri-articles-tabs {
    display: flex;
    gap: 0.25rem;
    padding: 0.5rem 0;
}

.tri-articles-count {
    font-size: 0.8125rem;
    color: var(--text-muted);
    margin-bottom: 1.25rem;
}

.tri-articles-list {
    padding-bottom: 3rem;
}

#tri-article-cards {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

/* Pagination */
.nav-links {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    margin-top: 2rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-default, #e5e7eb);
}

.nav-links .page-numbers {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 8px;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
    text-decoration: none;
    transition: all 0.15s;
}

.nav-links .page-numbers:hover {
    background: var(--bg-card);
    color: var(--accent);
}

.nav-links .page-numbers.current {
    background: var(--accent, #6366f1);
    color: #fff;
}

/* ─── Single Article Page ─────────────────────────────────────────── */

.tri-single-article {
    padding-top: 0.5rem;
}

.tri-article-header {
    padding: 2rem 0 1.5rem;
}

.tri-article-header-inner {
    max-width: 720px;
}

.tri-article-hero-title {
    font-family: var(--font-display, 'Plus Jakarta Sans', sans-serif);
    font-size: clamp(1.75rem, 4vw, 2.75rem);
    font-weight: 800;
    color: var(--text-primary);
    line-height: 1.2;
    margin: 0.75rem 0;
}

.tri-article-hero-sub {
    font-size: 1.125rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin: 0 0 1rem;
}

.tri-article-hero-meta {
    display: flex;
    align-items: center;
    gap: 1.25rem;
    flex-wrap: wrap;
    font-size: 0.8125rem;
    color: var(--text-muted);
}

.tri-article-author,
.tri-article-date-full,
.tri-article-read-time-full {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
}

.tri-article-featured-img {
    margin-bottom: 2rem;
}

.tri-article-featured-img img {
    width: 100%;
    height: auto;
    border-radius: 12px;
    object-fit: cover;
    max-height: 480px;
}

.tri-article-body {
    padding-bottom: 2rem;
}

.tri-article-body-grid {
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: 3rem;
    align-items: start;
}

.tri-article-content {
    min-width: 0;
}

.tri-article-text {
    font-size: 1.0625rem;
    line-height: 1.8;
    color: var(--text-primary);
}

.tri-article-text h2 {
    font-family: var(--font-display);
    font-size: 1.5rem;
    margin-top: 2.5rem;
    margin-bottom: 0.75rem;
}

.tri-article-text h3 {
    font-size: 1.25rem;
    margin-top: 2rem;
    margin-bottom: 0.5rem;
}

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

.tri-article-text img {
    border-radius: 8px;
    max-width: 100%;
    height: auto;
}

.tri-article-text blockquote {
    border-left: 3px solid var(--accent, #6366f1);
    padding: 0.75rem 1.25rem;
    margin: 1.5rem 0;
    background: var(--bg-card, #f8faff);
    border-radius: 0 8px 8px 0;
    font-style: italic;
    color: var(--text-secondary);
}

/* Article Tags */
.tri-article-tags {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    margin: 2rem 0;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-default);
}

.tri-article-tag {
    font-size: 0.8125rem;
    color: var(--accent, #6366f1);
    background: color-mix(in srgb, var(--accent, #6366f1) 8%, transparent);
    padding: 0.25rem 0.75rem;
    border-radius: 999px;
}

/* Share */
.tri-article-share {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 2rem;
}

.tri-share-label {
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--text-muted);
}

.tri-share-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: 1px solid var(--border-default);
    background: transparent;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.15s;
}

.tri-share-btn:hover {
    background: var(--accent, #6366f1);
    color: #fff;
    border-color: var(--accent);
}

/* Article Sidebar */
.tri-article-sidebar {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    position: sticky;
    top: calc(var(--header-height, 72px) + 1rem);
}

.tri-sidebar-about p {
    margin: 0;
}

.tri-sidebar-related {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.tri-sidebar-related-item {
    display: flex;
    gap: 0.75rem;
    text-decoration: none;
    color: var(--text-primary);
    transition: color 0.15s;
}

.tri-sidebar-related-item:hover {
    color: var(--accent, #6366f1);
}

.tri-sidebar-related-thumb {
    flex-shrink: 0;
    width: 64px;
    height: 48px;
    border-radius: 6px;
    overflow: hidden;
}

.tri-sidebar-related-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.tri-sidebar-related-title {
    font-size: 0.8125rem;
    font-weight: 600;
    line-height: 1.35;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.tri-sidebar-related-date {
    font-size: 0.6875rem;
    color: var(--text-muted);
    margin-top: 0.125rem;
}

/* ─── Homepage: Resources Promo Section ───────────────────────────── */

.tri-home-resources-promo {
    padding: 3rem 0;
}

.tri-resources-promo-card {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 2rem;
    align-items: center;
    padding: 2.5rem;
}

.tri-resources-promo-content .tri-section-title {
    margin-bottom: 0.5rem;
}

.tri-resources-promo-icons {
    display: flex;
    gap: 1rem;
}

.tri-resource-icon-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    padding: 1.25rem;
    border-radius: 12px;
    background: color-mix(in srgb, var(--accent, #6366f1) 8%, transparent);
    color: var(--accent, #6366f1);
    min-width: 100px;
    text-align: center;
}

.tri-resource-icon-card span {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-secondary);
}

/* Featured article card thumbnail on homepage */
.tri-pick-card-thumb {
    display: block;
    border-radius: 12px 12px 0 0;
    overflow: hidden;
    margin: -1.25rem -1.25rem 1rem;
    max-height: 180px;
}

.tri-pick-card-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.tri-pick-card:hover .tri-pick-card-thumb img {
    transform: scale(1.05);
}

/* ─── Responsive ──────────────────────────────────────────────────── */

@media (max-width: 960px) {
    .tri-article-body-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .tri-article-sidebar {
        position: static;
    }
}

@media (max-width: 768px) {
    .tri-article-card-inner {
        flex-direction: column;
    }

    .tri-article-card-thumb {
        width: 100%;
        min-height: 160px;
        max-height: 200px;
    }

    .tri-resources-promo-card {
        grid-template-columns: 1fr;
    }

    .tri-resources-promo-icons {
        justify-content: flex-start;
    }
}