/** Blog CSS - Styles cho trang danh sách bài viết, single post và related posts. Logic: Post Grid/Card, Single Post Layout, Related Posts, Author Bio. */

.section-blog-list { padding: 0 0 100px; background: #f8fafc; }
.section-hero-archive { padding: 80px 0 60px; background: linear-gradient(180deg, #fff 0%, #f1f5f9 100%); }
.hero-subtitle-archive { max-width: 600px; margin: 20px auto 0; color: #64748b; }

.post-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; margin-top: 40px; }
.post-card { background: white; border-radius: 24px; overflow: hidden; border: 1px solid rgba(0,0,0,0.04); box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.02), 0 2px 4px -1px rgba(0, 0, 0, 0.02); transition: all 0.4s cubic-bezier(0.25, 0.8, 0.25, 1); display: flex; flex-direction: column; height: 100%; position: relative; }
.post-card:hover { transform: translateY(-8px); box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04); border-color: rgba(13, 62, 154, 0.15); }
.post-thumbnail { height: 240px; overflow: hidden; position: relative; background-color: #f1f5f9; }
.post-thumbnail a { display: block; width: 100%; height: 100%; text-decoration: none; }
.post-thumbnail img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.7s cubic-bezier(0.4, 0, 0.2, 1); }
.post-thumb-placeholder { display: flex; width: 100%; height: 100%; align-items: center; justify-content: center; background: #ffffff !important; color: #64748b; font-size: 1.05rem; font-weight: 850; letter-spacing: 0.04em; padding: 24px; box-sizing: border-box; }
.post-thumb-placeholder img.placeholder-logo,
.related-thumb-placeholder img.placeholder-logo { max-width: min(80%, 300px); max-height: min(80%, 300px); width: auto !important; height: auto !important; object-fit: contain !important; border-radius: 0 !important; box-shadow: none !important; }
.post-card:hover .post-thumbnail img { transform: scale(1.05); }

.card-share-button { position: absolute; top: 16px; right: 16px; z-index: 4; display: inline-flex; align-items: center; justify-content: center; width: 38px; height: 38px; padding: 0; border: 1px solid rgba(13, 62, 154, 0.14); border-radius: 999px; background: rgba(255, 255, 255, 0.94); color: var(--primary); box-shadow: 0 12px 24px rgba(15, 23, 42, 0.12); cursor: pointer; backdrop-filter: blur(8px); transition: transform 0.2s ease, box-shadow 0.2s ease, color 0.2s ease, background-color 0.2s ease, border-color 0.2s ease; }
.card-share-button svg { width: 18px; height: 18px; flex: 0 0 auto; }
.card-share-button:hover { transform: translateY(-2px); border-color: rgba(13, 62, 154, 0.32); box-shadow: 0 16px 30px rgba(15, 23, 42, 0.16); }
.card-share-button:focus-visible { outline: 3px solid rgba(13, 62, 154, 0.24); outline-offset: 3px; }
.card-share-button.is-copied { border-color: rgba(22, 163, 74, 0.34); background: rgba(240, 253, 244, 0.96); color: #15803d; }
.card-share-button .icon-check, .single-share-button .icon-check { display: none !important; }
.card-share-button.is-copied .icon-share, .single-share-button.is-copied .icon-share { display: none !important; }
.card-share-button.is-copied .icon-check, .single-share-button.is-copied .icon-check { display: block !important; }

.post-cat-badge { position: absolute; top: 20px; left: 20px; background: rgba(255, 255, 255, 0.95); backdrop-filter: blur(4px); color: var(--primary); padding: 6px 14px; border-radius: 30px; font-weight: 700; text-transform: uppercase; font-size: 11px; letter-spacing: 0.5px; z-index: 2; box-shadow: 0 4px 6px rgba(0,0,0,0.05); }
.badge-news-cat { background: #ef4444 !important; color: #fff !important; }
.badge-item-new { background: #22c55e; color: white; padding: 2px 8px; border-radius: 28px; font-weight: 700; text-transform: uppercase; font-size: 0.65rem; letter-spacing: 0.5px; margin-left: auto; }

.post-content { padding: 28px; display: flex; flex-direction: column; flex-grow: 1; }
.post-meta { display: flex; align-items: center; flex-wrap: wrap; gap: 8px 12px; font-size: 0.85rem; color: #64748b; margin-bottom: 12px; font-weight: 500; }
.meta-item { display: flex; align-items: center; gap: 6px; }
.meta-icon { width: 18px; height: 18px; }
.post-card-stat { color: #64748b; font-weight: 750; white-space: nowrap; }
.post-card-stat .meta-icon { width: 16px; height: 16px; color: var(--primary); opacity: 0.78; }

.post-title { font-size: 1.35rem; line-height: 1.35; margin-bottom: 12px; font-weight: 800; color: var(--text-main); display: block; overflow: visible; }
.post-title a { color: inherit; text-decoration: none; background: linear-gradient(to right, var(--primary), var(--primary)) 0% 100% / 0% 2px no-repeat; transition: background-size 0.3s; padding-bottom: 2px; }
.post-card:hover .post-title a { background-size: 100% 2px; color: var(--primary); }
.post-excerpt { font-size: 1rem; color: #64748b; line-height: 1.6; margin-bottom: 24px; display: -webkit-box; -webkit-line-clamp: 5; -webkit-box-orient: vertical; overflow: hidden; }
.read-more-link { margin-top: auto; font-weight: 700; font-size: 0.95rem; color: var(--primary); display: inline-flex; align-items: center; gap: 8px; transition: 0.3s; }
.read-more-link svg { transition: transform 0.3s; }
.read-more-link:hover { color: var(--primary-dark); }
.read-more-link:hover svg { transform: translateX(4px); }
.post-card-actions { margin-top: auto; display: flex; align-items: center; justify-content: space-between; gap: 14px; width: 100%; }
.post-card-actions .read-more-link { margin-top: 0; min-width: 0; }
.post-card-actions .card-share-button { position: static; flex: 0 0 38px; width: 38px; height: 38px; margin-left: auto; box-shadow: none; backdrop-filter: none; }
.post-card-actions .card-share-button:hover { transform: translateY(-1px); box-shadow: none; }

.pagination-wrap { margin-top: 60px; text-align: center; }
.empty-state-container { padding: 100px 0; text-align: center; }
.empty-state-title { color: #64748b; margin-bottom: 20px; }

@media (min-width: 992px) { .featured-post { grid-column: span 3; flex-direction: row; min-height: 420px; align-items: stretch; } .featured-post .post-thumbnail { width: 55%; height: auto; order: 2; clip-path: polygon(10% 0, 100% 0, 100% 100%, 0% 100%); position: relative; } .featured-post .post-cat-badge { left: auto; right: 30px; } .featured-post .card-share-button { top: 66px; right: 30px; } .featured-post .post-content { width: 45%; padding: 60px; justify-content: center; } .featured-post .post-title { font-size: 2.2rem; margin-bottom: 20px; } .featured-post .post-excerpt { font-size: 1.1rem; margin-bottom: 30px; } .post-grid { grid-template-columns: repeat(3, 1fr); } }

.single-page-wrapper { background: #fff; }
.single-post-header { text-align: center; padding: 72px 0 142px; background: radial-gradient(circle at 50% 0%, rgba(108, 46, 231, 0.08), transparent 44%), linear-gradient(to bottom, #fff 0%, #f1f5f9 100%); position: relative; overflow: hidden; }
.single-post-header::before { content: ''; position: absolute; top: -45%; left: -10%; width: 600px; height: 600px; background: radial-gradient(circle, rgba(13, 62, 154, 0.06) 0%, transparent 70%); border-radius: 50%; pointer-events: none; }
.single-post-header .container { position: relative; z-index: 1; }
.single-cat-badge { display: inline-flex; align-items: center; padding: 8px 18px; background: white; color: var(--primary); border-radius: 30px; font-size: 0.78rem; font-weight: 800; margin-bottom: 26px; text-transform: uppercase; letter-spacing: 0.11em; border: 1px solid rgba(13, 62, 154, 0.08); box-shadow: 0 10px 24px rgba(15, 23, 42, 0.05); }
.single-title { font-size: clamp(2.15rem, 4vw, 3rem); margin: 0 auto 28px; max-width: 970px; line-height: 1.18; letter-spacing: -0.035em; color: var(--text-main); font-weight: 800; }
.single-meta { color: #64748b; font-size: 0.95rem; display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: 24px; }
.single-meta img { width: 40px; height: 40px; border-radius: 50%; object-fit: cover; border: 2px solid white; box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08); }
.single-meta-stat { font-weight: 750; color: #64748b; }
.single-meta-stat .meta-icon { color: var(--primary); opacity: 0.78; }
.single-share-actions { display: flex; justify-content: center; margin-top: 28px; }
.single-share-button { display: inline-flex; align-items: center; justify-content: center; gap: 10px; min-height: 46px; padding: 12px 20px; border: 1px solid rgba(13, 62, 154, 0.14); border-radius: 999px; background: #fff; color: var(--primary); font-weight: 800; font-size: 0.95rem; line-height: 1.2; cursor: pointer; box-shadow: 0 14px 32px rgba(15, 23, 42, 0.08); transition: transform 0.2s ease, box-shadow 0.2s ease, color 0.2s ease, border-color 0.2s ease, background-color 0.2s ease; }
.single-share-button:hover { transform: translateY(-2px); border-color: rgba(13, 62, 154, 0.3); box-shadow: 0 20px 38px rgba(15, 23, 42, 0.12); }
.single-share-button:focus-visible { outline: 3px solid rgba(13, 62, 154, 0.22); outline-offset: 3px; }
.single-share-button.is-copied { border-color: rgba(22, 163, 74, 0.32); background: #f0fdf4; color: #15803d; }
.single-share-icon { width: 19px; height: 19px; flex: 0 0 auto; }

.single-post-content-area { padding-bottom: 96px; }
.single-body-container { max-width: 1440px; }
.single-featured-image { margin: -92px auto 48px; overflow: hidden; box-shadow: 0 26px 62px -28px rgba(15, 23, 42, 0.32); max-width: 1192px; position: relative; z-index: 10; background: #fff; border-radius: 28px; }
.single-featured-image img { width: 100%; max-height: 560px; object-fit: cover; display: block; }
.single-layout { max-width: 1320px; margin: 0 auto; display: grid; gap: 32px; align-items: start; }
.single-layout.has-sidebar.no-toc { max-width: 1192px; grid-template-columns: minmax(0, 1fr) 328px; gap: 48px; }
.single-layout.has-sidebar.has-toc { grid-template-columns: minmax(190px, 220px) minmax(0, 1fr) minmax(280px, 300px); }
.single-layout.no-sidebar.no-toc { display: block; max-width: 780px; }
.single-layout.no-sidebar.has-toc { max-width: 1060px; grid-template-columns: minmax(190px, 230px) minmax(0, 780px); justify-content: center; }
.single-post-container { min-width: 0; margin: 0; padding: 0; position: relative; z-index: 2; }

.single-content-wrap { max-width: none; margin: 0; font-size: 1.08rem; color: #334155; line-height: 1.86; }
.single-content-wrap :is(h1, h2, h3, h4)[id] { scroll-margin-top: 104px; }
.single-content-wrap h1 { margin-top: 52px; margin-bottom: 20px; font-size: 2rem; color: var(--text-main); letter-spacing: -0.02em; line-height: 1.25; }
.single-content-wrap h2 { margin-top: 46px; margin-bottom: 18px; font-size: 1.75rem; color: var(--text-main); letter-spacing: -0.02em; line-height: 1.3; }
.single-content-wrap h3 { margin-top: 32px; margin-bottom: 16px; font-size: 1.4rem; color: var(--text-main); }
.single-content-wrap h4 { margin-top: 24px; margin-bottom: 12px; font-size: 1.25rem; color: var(--text-main); font-weight: 700; }
.single-content-wrap h5 { margin-top: 20px; margin-bottom: 10px; font-size: 1.1rem; color: var(--text-main); font-weight: 700; text-transform: uppercase; }
.single-content-wrap p { margin-bottom: 24px; display: block; }
.single-content-wrap em { line-height: 1.6; }
.single-content-wrap > em { display: block; margin-top: 20px; color: #64748b; }
.single-content-wrap a { color: var(--primary); text-decoration: underline; text-underline-offset: 4px; transition: 0.2s; }
.single-content-wrap a:hover { color: var(--accent); }
.single-content-wrap ul { list-style-type: disc; padding-left: 40px; margin-bottom: 24px; }
.single-content-wrap ol { list-style-type: decimal; padding-left: 40px; margin-bottom: 24px; }
.single-content-wrap li { margin-bottom: 8px; padding-left: 0; }
.single-content-wrap img { max-width: 100%; height: auto; border-radius: 8px; margin: 20px 0; box-shadow: var(--shadow-sm); display: block; }
.wp-caption { max-width: 100%; margin-bottom: 24px; }
.wp-caption-text { text-align: center; font-size: 0.9rem; color: #64748b; margin-top: 8px; font-style: italic; }
.single-content-wrap blockquote { border-left: none; padding: 28px 34px; font-style: italic; font-size: 1.2rem; color: var(--text-main); margin: 34px 0; background: #f8fafc; border-radius: 20px; position: relative; text-align: center; }
.single-content-wrap blockquote::before { content: '"'; font-family: serif; font-size: 60px; color: var(--primary); opacity: 0.1; position: absolute; top: -10px; left: 20px; line-height: 1; }

.single-post-excerpt { line-height: 1.7; color: var(--text-body); font-weight: 500; margin: 0 0 42px; font-style: italic; background: #f8fafc; padding: 22px 26px 22px 30px; border-radius: 0 18px 18px 0; position: relative; }
.single-post-excerpt::before { content: ''; position: absolute; left: 0; top: 0; bottom: 0; width: 4px; background: var(--primary); border-radius: 4px; }

.author-bio-box { background: white; border: 1px solid #e2e8f0; border-radius: 22px; padding: 28px; display: flex; align-items: center; gap: 24px; margin-top: 62px; box-shadow: 0 8px 24px rgba(15, 23, 42, 0.04); }
.author-bio-avatar img { width: 80px; height: 80px; border-radius: 50%; object-fit: cover; border: none; }
.author-bio-content h4 { margin: 0 0 8px; font-size: 1.1rem; }
.author-bio-content p { margin: 0; color: #64748b; font-size: 0.95rem; }

.single-toc-sidebar { align-self: stretch; z-index: 10; }
.related-posts-sidebar { align-self: start; z-index: 3; }
.single-toc-panel { position: sticky; top: 96px; max-height: calc(100vh - 126px); overflow: auto; padding: 20px 18px; background: #fff; border: 1px solid rgba(226, 232, 240, 0.95); border-radius: 18px; box-shadow: 0 12px 30px rgba(15, 23, 42, 0.06); scrollbar-width: none; -ms-overflow-style: none; }
.single-toc-panel::-webkit-scrollbar { width: 0; height: 0; display: none; }
.single-toc-eyebrow { margin-bottom: 8px; color: var(--primary); font-size: 0.72rem; font-weight: 800; text-transform: uppercase; letter-spacing: 0.08em; }
.single-toc-title { margin: 0 0 16px; color: var(--text-main); font-size: 1.08rem; line-height: 1.3; letter-spacing: -0.01em; font-weight: 800; }
.single-toc-list { display: flex; flex-direction: column; gap: 7px; margin: 0; padding: 0; list-style: none; }
.single-toc-item { margin: 0; padding: 0; }
.single-toc-item[hidden] { display: none !important; }
.single-toc-row { display: flex; align-items: flex-start; gap: 6px; min-width: 0; }
.single-toc-toggle { display: inline-flex; flex: 0 0 28px; width: 28px; min-height: 36px; align-items: center; justify-content: center; margin-left: auto; padding: 0; border: 0; border-radius: 8px; background: transparent; color: #cbd5e1; cursor: pointer; transition: background-color 0.2s ease, color 0.2s ease; }
.single-toc-toggle:hover { background: transparent; }
.single-toc-toggle-icon { width: 14px; height: 14px; display: block; color: #cbd5e1; transition: transform 0.3s ease, color 0.2s ease; }
.single-toc-toggle:hover .single-toc-toggle-icon { color: var(--primary); }
.single-toc-item.is-open > .single-toc-row .single-toc-toggle-icon { color: var(--primary); transform: rotate(180deg); }
.single-toc-item a { position: relative; display: block; flex: 1 1 auto; min-width: 0; min-height: 36px; padding: 8px 11px; border-left: 3px solid transparent; border-radius: 10px; color: #94a3b8; font-size: 0.88rem; font-weight: 700; line-height: 1.35; text-decoration: none; overflow-wrap: anywhere; transition: color 0.2s ease, background-color 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease; }
.single-toc-level-1 a { color: #64748b; font-size: 0.94rem; font-weight: 800; }
.single-toc-level-2 .single-toc-row { padding-left: 8px; }
.single-toc-level-3 .single-toc-row { padding-left: 18px; }
.single-toc-level-4 .single-toc-row { padding-left: 30px; }
.single-toc-level-3 a { font-size: 0.84rem; font-weight: 650; }
.single-toc-level-4 a { color: #94a3b8; font-size: 0.8rem; font-weight: 600; }
.single-toc-level-5 .single-toc-row { padding-left: 42px; }
.single-toc-level-5 a { color: #a3b3c9; font-size: 0.76rem; font-weight: 550; }
.single-toc-item a:hover { background: transparent; color: var(--primary); }
.single-toc-item a.is-active { color: var(--primary); }
.related-sidebar-panel { background: #f8fafc; border: 1px solid #e2e8f0; border-radius: 26px; padding: 24px; }
.related-sidebar-title { color: var(--text-main); font-size: 1.25rem; line-height: 1.3; letter-spacing: -0.02em; margin: 0 0 20px; font-weight: 800; }
.related-grid { display: grid; grid-template-columns: 1fr; gap: 16px; }
.related-card { background: white; border-radius: 18px; overflow: hidden; box-shadow: 0 3px 12px rgba(15, 23, 42, 0.04); transition: 0.3s; border: 1px solid rgba(226, 232, 240, 0.88); display: flex; flex-direction: column; }
.related-card:hover { transform: translateY(-3px); box-shadow: 0 14px 30px rgba(15, 23, 42, 0.1); border-color: rgba(13, 62, 154, 0.16); }
.related-thumb { height: 132px; overflow: hidden; background: #e2e8f0; position: relative; }
.related-thumb a { display: block; width: 100%; height: 100%; text-decoration: none; }
.related-thumb img { width: 100%; height: 100%; object-fit: cover; transition: 0.5s; }
.related-thumb-placeholder { display: flex; width: 100%; height: 100%; align-items: center; justify-content: center; background: #ffffff !important; color: #64748b; font-size: 1rem; font-weight: 850; letter-spacing: 0.04em; padding: 16px; box-sizing: border-box; }
.related-thumb .card-share-button { top: 10px; right: 10px; width: 34px; height: 34px; }
.related-thumb .card-share-button svg { width: 16px; height: 16px; }
.related-card:hover .related-thumb img { transform: scale(1.05); }
.related-content { padding: 13px 15px 16px; }
.related-title { font-size: 1rem; margin: 9px 0 0; line-height: 1.42; font-weight: 750; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.related-title a { color: var(--text-main); text-decoration: none; }
.related-date { font-size: 0.78rem; color: #64748b; font-weight: 600; letter-spacing: 0.03em; }
.related-card-meta { display: flex; flex-wrap: wrap; align-items: center; gap: 7px 10px; color: #64748b; font-size: 0.78rem; font-weight: 650; line-height: 1.3; }
.related-card-stat { display: inline-flex; align-items: center; gap: 4px; color: #64748b; font-weight: 750; white-space: nowrap; letter-spacing: 0; }
.related-card-stat .meta-icon { width: 15px; height: 15px; color: var(--primary); opacity: 0.78; flex: 0 0 auto; }
.related-title.hover-underline a { display: inline; background-image: linear-gradient(var(--primary), var(--primary)); background-size: 0% 2px; background-repeat: no-repeat; background-position: left bottom; transition: background-size 0.3s ease; padding-bottom: 2px; }
.related-card:hover .related-title.hover-underline a { background-size: 100% 2px; color: var(--primary); }

html[data-theme="dark"] .single-page-wrapper,
html[data-theme="dark"] .single-post-content-area { background: var(--bg-body) !important; }
html[data-theme="dark"] .single-post-header { background: radial-gradient(circle at 50% 0%, rgba(139, 181, 255, 0.1), transparent 44%), linear-gradient(to bottom, var(--bg-body) 0%, var(--bg-subtle) 100%); }
html[data-theme="dark"] .related-sidebar-panel,
html[data-theme="dark"] .single-post-excerpt { background: var(--bg-subtle); border-color: var(--border); }
html[data-theme="dark"] .single-meta-stat { color: var(--text-body); }
html[data-theme="dark"] .single-meta-stat .meta-icon { color: var(--primary); opacity: 0.9; }
html[data-theme="dark"] .post-card-stat,
html[data-theme="dark"] .related-card-meta,
html[data-theme="dark"] .related-card-stat { color: var(--text-body); }
html[data-theme="dark"] .post-card-stat .meta-icon,
html[data-theme="dark"] .related-card-stat .meta-icon { color: var(--primary); opacity: 0.9; }
html[data-theme="dark"] .card-share-button { background: rgba(15, 23, 42, 0.88); border-color: var(--border); color: var(--primary); box-shadow: 0 14px 28px rgba(0, 0, 0, 0.22); }
html[data-theme="dark"] .post-card-actions .card-share-button { box-shadow: none; }
html[data-theme="dark"] .card-share-button.is-copied { background: rgba(22, 163, 74, 0.16); border-color: rgba(74, 222, 128, 0.34); color: #86efac; }
html[data-theme="dark"] .single-share-button { background: var(--bg-subtle); border-color: var(--border); color: var(--primary); box-shadow: 0 16px 34px rgba(0, 0, 0, 0.18); }
html[data-theme="dark"] .single-share-button.is-copied { background: rgba(22, 163, 74, 0.16); border-color: rgba(74, 222, 128, 0.34); color: #86efac; }
html[data-theme="dark"] .single-toc-panel { background: var(--bg-subtle); border-color: var(--border); box-shadow: 0 14px 34px rgba(0, 0, 0, 0.2); }
html[data-theme="dark"] .single-toc-title { color: var(--text-main); }
html[data-theme="dark"] .single-toc-item a { color: var(--text-light); }
html[data-theme="dark"] .single-toc-toggle { color: var(--text-light); }
html[data-theme="dark"] .single-toc-toggle:hover { background: transparent; color: var(--primary); }
html[data-theme="dark"] .single-toc-level-1 a,
html[data-theme="dark"] .single-toc-level-2 a { color: var(--text-body); }
html[data-theme="dark"] .single-toc-level-4 a,
html[data-theme="dark"] .single-toc-level-5 a { color: var(--text-light); }
html[data-theme="dark"] .single-toc-item a:hover { background: transparent; color: var(--primary); }
html[data-theme="dark"] .single-toc-item a.is-active { color: var(--primary); }
html[data-theme="dark"] .post-thumb-placeholder,
html[data-theme="dark"] .related-thumb-placeholder { background: #ffffff !important; color: var(--text-light); }

@media (max-width: 1180px) {
    .single-layout.has-sidebar.has-toc,
    .single-layout.no-sidebar.has-toc { max-width: 900px; grid-template-columns: 1fr; gap: 34px; }
    .related-posts-sidebar { position: static; }
    .single-toc-panel { top: 86px; max-height: calc(100vh - 110px); }
    .single-toc-list { display: flex; flex-direction: column; gap: 8px; }
    .single-toc-level-2 .single-toc-row,
    .single-toc-level-3 .single-toc-row,
    .single-toc-level-4 .single-toc-row,
    .single-toc-level-5 .single-toc-row { padding-left: 0; }
}

@media (max-width: 1050px) {
    .single-layout { max-width: 780px; grid-template-columns: 1fr; gap: 52px; }
    .related-posts-sidebar { position: static; }
    .related-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 768px) {
    .post-grid { grid-template-columns: 1fr; }
    .single-post-header { padding: 54px 0 98px; }
    .single-title { font-size: 1.9rem; letter-spacing: -0.025em; }
    .single-meta { gap: 14px; }
    .single-share-actions { margin-top: 22px; }
    .single-share-button { width: 100%; max-width: 260px; min-height: 44px; padding: 11px 18px; }
    .single-post-content-area { padding-bottom: 70px; }
    .single-featured-image { border-radius: 18px; margin: -52px 0 34px; width: auto; max-width: none; }
    .single-layout { gap: 44px; }
    .single-toc-sidebar { position: static; }
    .single-toc-panel { position: relative; top: auto; max-height: none; padding: 18px; border-radius: 22px; }
    .single-toc-list { gap: 8px; }
    .single-content-wrap { font-size: 1.02rem; line-height: 1.78; }
    .single-content-wrap h2 { font-size: 1.48rem; margin-top: 36px; }
    .single-post-excerpt { font-size: 1rem; text-align: left; padding: 18px 18px 18px 20px; margin-bottom: 32px; }
    .related-sidebar-panel { padding: 20px; border-radius: 22px; }
    .related-grid { grid-template-columns: 1fr; }
    .author-bio-box { flex-direction: column; text-align: center; padding: 26px 22px; margin-top: 44px; }
}