/* =================================================
   BLOG ARTICLE - SINGLE POST VIEW
   Mobile-first: base = small mobile, enhance upward.
   Breakpoints: 480 · 768 · 1024 · 1280
   ================================================= */

/* READING PROGRESS BAR */
.reading-progress-bar {
    position: fixed;
    top: 0;
    left: 0;
    width: 0%;
    height: 2px;
    background: var(--magenta);
    z-index: 9999;
    transition: width 0.1s ease-out;
}

.container {
    max-width: 100%;
}

/* =================================================
   ARTICLE HERO - Editorial/Magazine Style
   ================================================= */
.article-hero {
    position: relative;
    min-height: 40vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 4.5rem var(--space-3) var(--space-6);
    overflow: hidden;
    background: var(--gradient-magenta);
}

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

.article-hero-bg .hero-bg-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transform: scale(1.03);
}

.article-hero-bg .hero-bg-image.hero-placeholder {
    filter: blur(1px);
}

.article-hero-bg .hero-overlay,
.article-hero-bg .hero-overlay-magenta {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg,
            var(--overlay-accent-dark) 0%,
            var(--overlay-magenta-dark-dense) 50%,
            var(--overlay-magenta-dark-opaque) 100%);
    mix-blend-mode: multiply;
}

@supports not (mix-blend-mode: multiply) {
    .article-hero-bg .hero-overlay-magenta {
        background: linear-gradient(180deg,
                var(--overlay-accent-opaque) 0%,
                var(--overlay-magenta-dark-opaque) 60%,
                var(--overlay-magenta-dark-opaque) 100%);
        mix-blend-mode: normal;
    }
}

.article-hero:not(:has(.hero-bg-image)) .hero-overlay-magenta {
    background: linear-gradient(180deg,
            var(--overlay-accent-opaque) 0%,
            var(--overlay-magenta-dark-opaque) 100%);
    mix-blend-mode: normal;
}

.article-hero-content {
    position: relative;
    z-index: 2;
    max-width: 900px;
    width: 100%;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 0 var(--space-1);
}

/* Breadcrumb */
.article-breadcrumb {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
    margin-bottom: var(--space-5);
    flex-wrap: wrap;
    font-size: var(--text-xs);
}

.breadcrumb-link {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    color: var(--overlay-white-dim);
    text-decoration: none;
    font-size: var(--text-xs);
    font-weight: 500;
    transition: color 0.3s ease;
}

.breadcrumb-link:hover {
    color: var(--magenta-light);
}

.breadcrumb-link i {
    font-size: 0.85rem;
}

.breadcrumb-separator {
    color: var(--overlay-white-subtle);
    font-size: 0.7rem;
}

.breadcrumb-current {
    color: var(--overlay-white-medium);
    font-size: 0.9rem;
}

/* Article Tags in Hero */
.article-tags {
    list-style: none;
    margin: 0 0 var(--space-4);
    padding: 0;
    display: flex;
    justify-content: center;
    gap: 0.4rem;
    flex-wrap: wrap;
}

.article-tag {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.35rem 0.6rem;
    background: var(--overlay-accent-low);
    border: 1px solid var(--overlay-accent-half);
    color: var(--primary-white);
    text-decoration: none;
    border-radius: var(--radius-pill);
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: var(--tracking-wide);
    text-transform: uppercase;
    transition: background var(--duration-base) var(--ease-out-expo),
        border-color var(--duration-base) var(--ease-out-expo),
        transform var(--duration-base) var(--ease-out-expo);
    backdrop-filter: blur(10px);
}

.article-tag:hover {
    background: var(--magenta);
    border-color: var(--magenta);
    transform: translateY(-2px);
}

.article-tag i {
    font-size: 0.75rem;
}

/* Article Title */
.article-title {
    font-family: var(--font-display);
    font-size: clamp(1.4rem, 6vw, 1.8rem);
    font-weight: var(--font-display-weight);
    color: var(--primary-white);
    line-height: var(--leading-tight);
    letter-spacing: var(--tracking-tight);
    margin: 0 auto var(--space-4);
    text-align: center;
    text-shadow: none;
    max-width: 85%;
    padding: 0 var(--space-1);
}

/* Meta: Date & Reading Time */
.article-meta-hero {
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: center;
    gap: var(--space-3);
    margin-bottom: var(--space-5);
}

.article-meta-hero .meta-date,
.article-meta-hero .meta-reading {
    color: var(--overlay-white-strong);
    font-size: 0.7rem;
    font-weight: 500;
}

.article-meta-hero .meta-dot {
    color: var(--overlay-white-medium);
    font-weight: 300;
}

/* Article Excerpt */
.article-excerpt {
    font-size: 0.9rem;
    color: var(--overlay-white-dim);
    line-height: 1.7;
    margin: 0 0 var(--space-6);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    padding: 0 var(--space-1);
}

/* Article Meta */
.article-meta {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.8rem;
    flex-wrap: wrap;
}

.article-meta .meta-item {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    color: var(--overlay-white-dim);
    font-size: 0.95rem;
    font-weight: 500;
}

.article-meta .meta-item i {
    color: var(--magenta-light);
}

.meta-divider {
    display: none;
}

/* =================================================
   ARTICLE MAIN LAYOUT — Single column base (mobile)
   ================================================= */
.article-main {
    padding: var(--space-5) var(--space-2);
    background: var(--avorio);
}

.article-main::before {
    content: "";
    display: block;
    width: 48px;
    height: 0;
    margin: 0 auto var(--space-4);
    border-top: var(--rule-magenta);
    background: none;
}

.article-layout {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0;
    max-width: 1400px;
    margin: 0 auto;
    align-items: start;
}

/* Sidebar Styles */
.article-sidebar {
    width: 100%;
}

.article-sidebar-left {
    order: -1;
    margin-bottom: var(--space-6);
}

.sidebar-sticky {
    position: static;
    max-height: none;
    overflow-y: visible;
    overflow-x: hidden;
    scroll-behavior: smooth;
}

.sidebar-sticky::-webkit-scrollbar {
    width: 4px;
}

.sidebar-sticky::-webkit-scrollbar-track {
    background: transparent;
}

.sidebar-sticky::-webkit-scrollbar-thumb {
    background: var(--overlay-accent-medium);
    border-radius: 2px;
}

.sidebar-sticky::-webkit-scrollbar-thumb:hover {
    background: var(--overlay-accent-strong);
}

/* TOC Container */
.toc-container {
    background: transparent;
    border-radius: 0;
    padding: var(--space-4) 0;
    border: none;
    border-top: var(--rule-magenta);
    box-shadow: none;
    margin: 0 auto;
}

.toc-container::before {
    content: none;
    display: none;
}

.toc-header {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    margin-bottom: var(--space-3);
    padding-bottom: var(--space-3);
    border-bottom: 1px solid var(--border-light);
    color: var(--text-primary);
    font-weight: 700;
    font-size: 0.9rem;
}

.toc-header i {
    color: var(--magenta);
}

.toc-nav {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.toc-link {
    display: block;
    padding: 0.35rem var(--space-2);
    color: var(--text-light);
    text-decoration: none;
    font-size: var(--text-xs);
    font-weight: 500;
    border-radius: 8px;
    transition: color 0.2s ease,
                background-color 0.2s ease,
                border-left-color 0.2s ease;
    border-left: 2px solid transparent;
    word-wrap: break-word;
    overflow-wrap: break-word;
}

.toc-link:hover {
    color: var(--magenta);
    background: var(--overlay-accent-subtle);
}

.toc-link.active {
    color: var(--magenta);
    background: var(--overlay-accent-subtle);
    border-left-color: var(--magenta);
}

.toc-link.toc-h3 {
    padding-left: var(--space-4);
    font-size: 0.7rem;
}

/* Sidebar Share */
.sidebar-share {
    margin-top: var(--space-5);
    padding-top: var(--space-5);
    border-top: 1px solid var(--border-light);
}

.sidebar-share-label {
    display: block;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: var(--space-3);
}

.sidebar-share-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
}

.sidebar-share .share-btn {
    width: 36px;
    height: 36px;
    font-size: 0.9rem;
}

/* No TOC Message */
.toc-empty {
    color: var(--text-light);
    font-size: 0.85rem;
}

/* Desktop-only elements hidden on mobile */
.desktop-only {
    display: none;
}

/* Sidebar Actions (Right) — FAB on mobile */
.article-sidebar-right {
    display: flex;
    position: fixed;
    right: var(--space-4);
    bottom: var(--space-6);
    z-index: 100;
    width: auto;
}

.article-sidebar-right .sidebar-sticky {
    position: static;
    max-height: none;
    overflow: visible;
}

.sidebar-actions {
    display: flex;
    flex-direction: column-reverse;
    gap: var(--space-3);
}

.action-btn {
    width: 50px;
    height: 50px;
    border: 1px solid var(--overlay-accent-medium);
    border-radius: 50%;
    background: var(--overlay-white-strong);
    color: var(--text-secondary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    transition: background-color 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94),
                color 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94),
                transform 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94),
                box-shadow 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94),
                border-color 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    box-shadow: 0 4px 20px var(--overlay-black-subtle);
    backdrop-filter: blur(10px);
}

.action-btn:hover {
    background: var(--gradient-magenta);
    color: var(--primary-white);
    transform: translateY(-3px);
    box-shadow: var(--shadow-magenta);
    border-color: transparent;
}

.action-btn:active {
    transform: scale(0.95);
}

/* =================================================
   ARTICLE CONTENT - Flat editorial surface
   ================================================= */
.article-content {
    max-width: 100%;
    width: 100%;
    margin: 0 auto;
    background: var(--avorio);
    padding: var(--space-4) var(--space-4);
    border-radius: 0;
    box-shadow: none;
    overflow: hidden;
    box-sizing: border-box;
    border: none;
    contain: layout style;
}

/* Cover Image */
.article-cover {
    margin: 0 0 var(--space-5);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: none;
    border: 1px solid var(--tortora);
}

.cover-image {
    width: 100%;
    height: auto;
    display: block;
    transition: transform 0.6s ease;
}

.article-cover:hover .cover-image {
    transform: scale(1.02);
}

.cover-caption {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-4) var(--space-5);
    background: var(--light-gray);
    color: var(--text-light);
    font-size: 0.85rem;
}

.cover-caption i {
    color: var(--magenta);
}

/* =================================================
   POST BODY - Editorial Typography (Baskervville)
   Clean Nero e Magenta reading surface
   ================================================= */
.post-body#postBody,
article .post-body,
.blog-post .post-body {
    font-family: var(--font-prose);
    font-size: 1.0625rem;
    line-height: 1.75;
    color: var(--nero);
    letter-spacing: 0;
    overflow-wrap: break-word;
    word-wrap: break-word;
    word-break: break-word;
    max-width: 42rem;
    margin-left: auto;
    margin-right: auto;
    box-sizing: border-box;
    overflow: visible;
}

.post-body p {
    margin: 0 0 var(--space-5);
    color: var(--text-secondary);
}

/* Quill / TinyMCE alignment */
.post-body .ql-align-center { text-align: center; }
.post-body .ql-align-right { text-align: right; }
.post-body .ql-align-justify { text-align: justify; hyphens: auto; }

.post-body > p:first-of-type {
    font-size: 1.125rem;
    line-height: 1.8;
    color: var(--nero);
}

/* Headings — Geist, left-aligned, no gradient fills */
.post-body h1,
.post-body h2,
.post-body h3,
.post-body h4,
.post-body h5,
.post-body h6 {
    font-family: var(--font-primary);
    color: var(--nero);
    font-weight: 600;
    line-height: 1.25;
    letter-spacing: -0.02em;
    margin-top: var(--space-8);
    margin-bottom: var(--space-3);
    text-align: left;
    scroll-margin-top: calc(var(--navbar-height) + var(--space-4));
    background: none;
    -webkit-text-fill-color: currentColor;
}

.post-body h1 {
    font-size: clamp(1.75rem, 3vw, 2.25rem);
    margin-top: 0;
    padding-bottom: var(--space-3);
    border-bottom: var(--rule-magenta);
    width: fit-content;
    max-width: 100%;
}

.post-body h1::after,
.post-body h2::after {
    content: none;
    display: none;
}

.post-body h2 {
    font-size: clamp(1.35rem, 2.5vw, 1.75rem);
    padding-bottom: var(--space-2);
    border-bottom: var(--rule-magenta);
    width: fit-content;
    max-width: 100%;
}

.post-body h3 {
    font-size: clamp(1.15rem, 2vw, 1.35rem);
    color: var(--nero);
    font-weight: 600;
}

.post-body h4 {
    font-size: 1.05rem;
    border-left: 2px solid var(--magenta);
    padding-left: var(--space-3);
    font-weight: 600;
}

/* Links */
.post-body a {
    color: var(--magenta);
    text-decoration: none;
    border-bottom: 1px solid var(--overlay-accent-medium);
    font-weight: 500;
    transition: color 0.2s ease, border-bottom-color 0.2s ease;
}

.post-body a:hover {
    color: var(--magenta-chiaro);
    border-bottom-color: var(--magenta-chiaro);
    background: transparent;
}

/* Lists — restrained markers */
.post-body ul,
.post-body ol {
    margin: 0 0 var(--space-5);
    padding-left: var(--space-5);
    list-style: revert;
}

.post-body li {
    margin-bottom: var(--space-2);
    padding-left: 0;
    line-height: 1.7;
    position: static;
}

.post-body ul li::before,
.post-body ol li::before {
    content: none;
    display: none;
}

.post-body ol {
    counter-reset: none;
}

.post-body li strong:first-child {
    display: inline;
    color: var(--nero);
    font-size: inherit;
    margin-bottom: 0;
}

.post-body strong {
    color: var(--nero);
    font-weight: 700;
}

.post-body em {
    color: inherit;
    font-style: italic;
}

/* Blockquotes — magenta rule only */
.post-body blockquote,
.post-body .pull-quote {
    margin: var(--space-6) 0;
    padding: var(--space-3) 0 var(--space-3) var(--space-4);
    border: none;
    border-left: var(--rule-magenta);
    background: transparent;
    border-radius: 0;
    font-size: 1.125rem;
    color: var(--text-secondary);
    overflow: visible;
    position: relative;
    text-align: left;
    box-shadow: none;
    font-family: var(--font-prose);
    line-height: 1.7;
    font-style: italic;
}

.post-body blockquote::before,
.post-body blockquote::after {
    content: none;
    display: none;
}

.post-body blockquote p,
.post-body .pull-quote p {
    margin-bottom: 0;
}

.pull-quote {
    font-size: 1.25rem !important;
    color: var(--text-secondary) !important;
    border-left: var(--rule-magenta) !important;
}

/* Images — flat, no hover scale */
.post-body img {
    max-width: 100%;
    width: auto;
    height: auto;
    border-radius: 0;
    margin: var(--space-6) auto;
    box-shadow: none;
    transition: none;
    display: block;
}

.post-body figure {
    margin: var(--space-6) 0;
    padding: 0;
    text-align: center;
}

.post-body figure img {
    margin: 0 auto;
}

.post-body figcaption {
    margin-top: var(--space-2);
    font-family: var(--font-primary);
    font-size: var(--text-sm);
    color: var(--grigio);
    text-align: center;
}

.post-body img.img-wrap-left,
.post-body img.img-wrap-right {
    float: none;
    max-width: 100%;
    margin: var(--space-5) 0;
}

.post-body img.img-full-width,
.post-body img.img-pull-out {
    width: 100%;
    max-width: 100%;
    margin-left: 0;
    margin-right: 0;
    border-radius: 0;
}

.post-body img.align-center {
    display: block;
    margin-left: auto;
    margin-right: auto;
    float: none;
}

.post-body img.img-overlay {
    display: block;
    float: none;
    width: 100%;
    max-width: 100%;
    margin: var(--space-4) auto;
    opacity: 0.35;
    border-radius: 0;
}

.post-body img.img-inline {
    display: inline;
    float: none;
    vertical-align: middle;
    margin: 0 var(--space-1);
    border-radius: 0;
    max-height: 2em;
    width: auto;
    box-shadow: none;
}

/* Optional layout classes kept for editor parity — no decorative clip-paths as defaults */
.post-body img.img-shape-rounded { border-radius: 8px; }
.post-body img.img-shape-circle { clip-path: circle(50%); }
.post-body img.img-effect-shadow { box-shadow: none; }
.post-body img.img-effect-border { border: 1px solid var(--tortora); }

.post-body p::after,
.post-body div::after,
.post-body li::after {
    content: "";
    display: table;
    clear: both;
}

.post-body img:hover {
    transform: none;
    box-shadow: none;
}

.post-body img[loading="lazy"] {
    opacity: 1;
    animation: none;
}

/* Code */
.post-body pre {
    background: var(--nero);
    color: var(--avorio);
    padding: var(--space-4);
    border-radius: 0;
    overflow-x: auto;
    margin: var(--space-6) 0;
    font-family: ui-monospace, 'SF Mono', Menlo, Consolas, monospace;
    font-size: 0.875rem;
    line-height: 1.6;
    box-shadow: none;
    max-width: 100%;
    box-sizing: border-box;
}

.post-body code {
    background: var(--tortora);
    padding: 0.15rem 0.4rem;
    border-radius: 2px;
    font-family: ui-monospace, 'SF Mono', Menlo, Consolas, monospace;
    font-size: 0.9em;
    color: var(--nero);
}

.post-body pre code {
    background: transparent;
    padding: 0;
    color: inherit;
}

/* Tables */
.post-body table {
    width: 100%;
    max-width: 100%;
    border-collapse: collapse;
    margin: var(--space-6) 0;
    border-radius: 0;
    overflow: hidden;
    box-shadow: none;
    display: block;
    overflow-x: auto;
    font-size: 0.95rem;
    font-family: var(--font-primary);
    border: 1px solid var(--tortora);
}

.post-body th,
.post-body td {
    padding: var(--space-3) var(--space-4);
    text-align: left;
    border-bottom: 1px solid var(--tortora);
}

.post-body th {
    background: var(--nero);
    color: var(--avorio);
    font-weight: 600;
}

.post-body tr:nth-child(even) {
    background: var(--color-surface-alt);
}

/* Horizontal rule */
.post-body hr {
    border: 0;
    height: 0;
    border-top: var(--rule-magenta);
    width: 48px;
    margin: var(--space-8) 0;
}

.content-placeholder {
    text-align: center;
    padding: var(--space-8) var(--space-4);
    background: transparent;
    border: 1px solid var(--tortora);
    border-radius: 0;
    color: var(--grigio);
}

/* =================================================
   ARTICLE FOOTER
   ================================================= */
.article-footer {
    margin-top: var(--space-6);
    padding-top: var(--space-5);
    border-top: 2px solid var(--border-light);
}

.footer-tags {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-4);
    flex-wrap: wrap;
    margin-bottom: var(--space-6);
}

.footer-label {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    color: var(--text-secondary);
    font-weight: 600;
    font-size: 0.85rem;
}

.footer-label i {
    color: var(--magenta);
}

.tags-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    gap: var(--space-2);
    flex-wrap: wrap;
}

.footer-tag {
    display: inline-block;
    padding: 0.3rem 0.6rem;
    background: transparent;
    color: var(--magenta);
    text-decoration: none;
    border-radius: 0;
    border: 1px solid var(--tortora);
    font-size: var(--text-xs);
    font-weight: 600;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    transition: color 0.2s ease, border-color 0.2s ease, background-color 0.2s ease;
}

.footer-tag:hover {
    background: var(--magenta);
    color: var(--primary-white);
}

/* Share Section */
.share-section {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-4);
    flex-wrap: wrap;
}

.share-label {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    color: var(--text-secondary);
    font-weight: 600;
    font-size: 0.85rem;
}

.share-label i {
    color: var(--magenta);
}

.share-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
}

.share-btn {
    width: 44px;
    height: 44px;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.9rem;
    transition: transform 0.3s ease,
                box-shadow 0.3s ease;
    color: var(--primary-white);
}

/* Social brand colors (keep hardcoded per spec) */
.share-facebook { background: #1877f2; }
.share-twitter { background: #1da1f2; }
.share-linkedin { background: #0077b5; }
.share-whatsapp { background: #25d366; }
.share-copy { background: var(--charcoal); }

.share-btn:hover {
    transform: translateY(-3px) scale(1.1);
    box-shadow: 0 5px 15px var(--overlay-black-low);
}

/* =================================================
   AUTHOR BIO SECTION
   ================================================= */
.author-bio-section {
    padding: var(--space-8) var(--space-4);
    background: var(--avorio);
}

.author-bio-card {
    max-width: 880px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: var(--space-6);
    padding: var(--space-5);
    background: var(--primary-white);
    border-radius: 20px;
    box-shadow: 0 8px 32px var(--overlay-black-faint);
    border: 1px solid var(--border-light);
}

.author-bio-avatar {
    flex-shrink: 0;
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background: var(--gradient-magenta);
    color: var(--primary-white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.author-bio-content {
    flex: 1;
}

.author-bio-name {
    font-family: var(--font-primary);
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0 0 var(--space-1);
}

.author-bio-role {
    font-size: 0.9rem;
    color: var(--magenta);
    font-weight: 600;
    margin: 0 0 var(--space-2);
}

.author-bio-text {
    font-size: var(--text-base);
    line-height: 1.7;
    color: var(--text-secondary);
    margin: 0;
}

/* =================================================
   RELATED POSTS SECTION
   ================================================= */
.related-section {
    padding: var(--space-6) var(--space-2);
    background: var(--avorio);
    position: relative;
}

.related-section::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--magenta), transparent);
}

.related-grid {
    max-width: 1200px;
    margin: 0 auto;
}

.related-posts-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-5);
    margin-top: var(--space-6);
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
}

.related-card {
    background: var(--avorio);
    border-radius: var(--radius-card);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-base), box-shadow var(--duration-base) ease;
    border: 1px solid var(--tortora);
    position: relative;
}

.related-card::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    bottom: 0;
    width: 2px;
    background-color: var(--magenta);
    opacity: 0;
    transition: opacity var(--duration-fast) ease;
}

.related-card:hover::before {
    opacity: 1;
}

.related-card:hover {
    box-shadow: var(--shadow-md);
    border-color: var(--magenta);
    background: var(--avorio);
}

.related-link {
    text-decoration: none;
    color: inherit;
    display: block;
    padding: var(--space-4);
}

.related-title {
    font-family: var(--font-sans);
    font-size: var(--text-base);
    font-weight: 600;
    letter-spacing: var(--tracking-tight);
    color: var(--text-primary);
    margin-bottom: 0.8rem;
    line-height: var(--leading-snug);
    transition: color var(--duration-base) var(--ease-out-expo);
}

.related-card:hover .related-title {
    color: var(--magenta);
}

.related-excerpt {
    color: var(--text-light);
    font-size: 0.85rem;
    line-height: 1.6;
    margin-bottom: 1.2rem;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.related-meta {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 0.4rem;
    margin-bottom: var(--space-4);
    color: var(--text-secondary);
    font-size: 0.8rem;
}

.related-meta i {
    color: var(--magenta);
    margin-right: 0.3rem;
}

.related-tags {
    display: flex;
    gap: 0.35rem;
    flex-wrap: wrap;
    list-style: none;
    padding: 0;
    margin: 0;
}

.tag-badge {
    background: transparent;
    color: var(--magenta);
    padding: 0.35rem 0.85rem;
    border-radius: 0;
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    border: 1px solid var(--tortora);
    transition: color 0.2s ease, border-color 0.2s ease, background-color 0.2s ease;
}

.related-card:hover .tag-badge {
    background: var(--magenta);
    color: var(--avorio);
    border-color: var(--magenta);
}

.back-to-blog {
    display: flex;
    justify-content: center;
    margin-top: var(--space-8);
}

.btn-back {
    display: inline-flex;
    align-items: center;
    gap: var(--space-3);
    padding: 0.85rem var(--space-5);
    background: var(--primary-white);
    color: var(--text-primary);
    text-decoration: none;
    border-radius: var(--radius-pill);
    font-weight: 600;
    font-size: 0.9rem;
    letter-spacing: var(--tracking-wide);
    border: 1px solid var(--color-border);
    transition: background var(--duration-base) var(--ease-out-expo),
        color var(--duration-base) var(--ease-out-expo),
        border-color var(--duration-base) var(--ease-out-expo),
        transform var(--duration-base) var(--ease-out-expo),
        box-shadow var(--duration-base) var(--ease-out-expo);
}

.btn-back:hover {
    background: var(--gradient-magenta);
    color: var(--primary-white);
    border-color: transparent;
    transform: translateX(-5px);
    box-shadow: var(--shadow-magenta);
}

.btn-back i {
    transition: transform 0.3s ease;
}

.btn-back:hover i {
    transform: translateX(-5px);
}

.back-section {
    padding: var(--space-8) var(--space-4);
    background: var(--avorio);
}

/* =================================================
   SHARE MODAL
   ================================================= */
.share-modal {
    position: fixed;
    inset: 0;
    z-index: 10000;
    display: none;
    align-items: center;
    justify-content: center;
}

.share-modal.active {
    display: flex;
}

.share-modal-overlay {
    position: absolute;
    inset: 0;
    background: var(--overlay-black-dim);
    backdrop-filter: blur(5px);
}

.share-modal-content {
    position: relative;
    background: var(--primary-white);
    border-radius: 24px;
    padding: var(--space-5);
    max-width: 350px;
    width: 92%;
    box-shadow: var(--shadow-strong);
    animation: modalSlideIn 0.3s ease;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(20px) scale(0.95);
    }

    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.share-modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-5);
}

.share-modal-header h3 {
    margin: 0;
    font-family: var(--font-primary);
    font-size: 1.1rem;
    font-weight: 700;
}

.share-modal-close {
    width: 36px;
    height: 36px;
    border: none;
    border-radius: 50%;
    background: var(--light-gray);
    color: var(--text-secondary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color 0.3s ease,
                color 0.3s ease;
}

.share-modal-close:hover {
    background: var(--charcoal);
    color: var(--primary-white);
}

.share-buttons-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-3);
    margin-bottom: var(--space-5);
}

.share-btn-large {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-3);
    padding: 0.85rem;
    border: none;
    border-radius: 12px;
    cursor: pointer;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--primary-white);
    transition: transform 0.3s ease,
                box-shadow 0.3s ease;
}

.share-btn-large:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px var(--overlay-black-low);
}

.share-link-copy {
    display: flex;
    gap: var(--space-2);
}

.share-link-input {
    flex: 1;
    padding: 0.6rem 0.85rem;
    border: 2px solid var(--border-light);
    border-radius: 10px;
    font-size: 0.8rem;
    color: var(--text-secondary);
    background: var(--light-gray);
}

.share-link-btn {
    width: 44px;
    height: 44px;
    border: none;
    border-radius: 10px;
    background: var(--gradient-magenta);
    color: var(--primary-white);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.3s ease,
                box-shadow 0.3s ease;
}

.share-link-btn:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-magenta);
}

/* =================================================
   TOAST NOTIFICATIONS
   ================================================= */
.toast-container {
    position: fixed;
    bottom: var(--space-3);
    left: var(--space-3);
    right: var(--space-3);
    z-index: 10001;
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.toast {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: 0.65rem 0.85rem;
    background: var(--charcoal);
    color: var(--primary-white);
    border-radius: 12px;
    box-shadow: var(--shadow-strong);
    animation: toastSlideIn 0.3s ease;
    width: 100%;
    font-size: 0.85rem;
}

.toast.success {
    background: linear-gradient(135deg, var(--color-success), var(--color-success));
}

.toast.error {
    background: linear-gradient(135deg, var(--color-danger), var(--color-danger));
}

.toast i {
    font-size: 1.2rem;
}

@keyframes toastSlideIn {
    from {
        opacity: 0;
        transform: translateX(100%);
    }

    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes toastSlideOut {
    from {
        opacity: 1;
        transform: translateX(0);
    }

    to {
        opacity: 0;
        transform: translateX(100%);
    }
}

/* Safe area support for floating buttons */
@supports (padding-bottom: env(safe-area-inset-bottom)) {
    .article-sidebar-right {
        bottom: calc(var(--space-6) + env(safe-area-inset-bottom));
    }
}

/* =================================================
   RESPONSIVE — min-width (mobile-first)
   ================================================= */

/* ---- 480px ---- */
@media (min-width: 480px) {
    .article-hero {
        min-height: 45vh;
        padding: var(--space-12) var(--space-3) var(--space-6);
    }

    .article-breadcrumb {
        gap: var(--space-3);
        font-size: 0.9rem;
    }

    .breadcrumb-link {
        font-size: 0.9rem;
    }

    .article-tags {
        gap: var(--space-3);
        margin-bottom: var(--space-5);
    }

    .article-tag {
        padding: var(--space-2) var(--space-4);
        font-size: var(--text-xs);
    }

    .article-title {
        font-size: clamp(1.6rem, 5.5vw, 2.2rem);
        margin-bottom: var(--space-4);
    }

    .article-excerpt {
        font-size: clamp(1rem, 1.5vw, 1.2rem);
    }

    .article-meta-hero .meta-date,
    .article-meta-hero .meta-reading {
        font-size: 0.95rem;
    }

    .article-main {
        padding: var(--space-6) var(--space-3);
    }

    .article-content {
        padding: 1.75rem var(--space-4);
        border-radius: 0;
    }

    .article-cover {
        margin-bottom: var(--space-6);
        border-radius: 16px;
    }

    .post-body#postBody,
    article .post-body,
    .blog-post .post-body {
        font-size: var(--text-base);
        line-height: 1.75;
    }

    .post-body > p:first-of-type,
    .post-body > h1 + p {
        font-size: 1.15rem;
    }

    .post-body h1 {
        font-size: 2.2rem;
        margin-bottom: var(--space-6);
        padding-bottom: var(--space-5);
    }

    .post-body h2 {
        font-size: 1.7rem;
        margin-top: var(--space-7);
        scroll-margin-top: calc(var(--navbar-height) + var(--space-4));
    }

    .post-body h3 {
        font-size: 1.4rem;
        scroll-margin-top: calc(var(--navbar-height) + var(--space-4));
    }

    .post-body h4 {
        font-size: 1.25rem;
        padding-left: var(--space-4);
    }

    .post-body blockquote {
        padding: var(--space-3) 0 var(--space-3) var(--space-4);
        font-size: 1.15rem;
        margin: var(--space-6) 0;
        border-radius: 0;
    }

    .post-body li {
        margin-bottom: 1.2rem;
        padding-left: var(--space-6);
    }

    .post-body ul li::before {
        width: 8px;
        height: 8px;
        top: 0.6rem;
    }

    .post-body ol li {
        padding-left: var(--space-7);
    }

    .post-body ol li::before {
        font-size: 1.1rem;
    }

    .post-body li strong:first-child {
        font-size: 1.05rem;
    }

    .post-body pre {
        padding: var(--space-4) var(--space-5);
        font-size: 0.9rem;
        border-radius: 16px;
    }

    .post-body th,
    .post-body td {
        padding: var(--space-4) var(--space-5);
    }

    .post-body table {
        font-size: inherit;
    }

    .article-footer {
        margin-top: var(--space-8);
    }

    .footer-label,
    .share-label {
        font-size: 0.95rem;
    }

    .footer-tag {
        padding: 0.4rem 0.8rem;
        font-size: 0.85rem;
    }

    .share-buttons {
        gap: var(--space-2);
    }

    .share-btn {
        width: 40px;
        height: 40px;
        font-size: var(--text-base);
    }

    .related-section {
        padding: var(--space-8) var(--space-4);
    }

    .related-link {
        padding: var(--space-6);
    }

    .related-title {
        font-size: var(--text-lg);
    }

    .related-excerpt {
        font-size: 0.95rem;
    }

    .related-meta {
        flex-direction: row;
        gap: var(--space-5);
        font-size: 0.85rem;
    }

    .related-tags {
        gap: var(--space-2);
    }

    .tag-badge {
        font-size: 0.8rem;
    }

    .btn-back {
        padding: var(--space-4) var(--space-6);
        font-size: var(--text-base);
    }

    .toast-container {
        left: auto;
        right: var(--space-6);
        bottom: var(--space-6);
    }

    .toast {
        width: auto;
        padding: var(--space-4) var(--space-5);
        font-size: inherit;
    }

    .share-modal-content {
        padding: var(--space-6);
        max-width: 400px;
        width: 90%;
    }

    .share-modal-header h3 {
        font-size: 1.3rem;
    }

    .share-btn-large {
        padding: var(--space-4);
        font-size: 0.95rem;
    }

    .share-link-input {
        padding: var(--space-3) var(--space-4);
        font-size: 0.9rem;
    }

    .toc-container {
        padding: var(--space-5);
    }

    .toc-header {
        font-size: 0.95rem;
        padding-bottom: var(--space-4);
        margin-bottom: var(--space-4);
    }

    .toc-link {
        font-size: 0.8rem;
        padding: 0.4rem 0.6rem;
    }

    .toc-link.toc-h3 {
        padding-left: var(--space-5);
        font-size: var(--text-xs);
    }

    .meta-divider {
        display: block;
        width: 4px;
        height: 4px;
        background: var(--overlay-white-subtle);
        border-radius: 50%;
    }
}

/* ---- 768px ---- */
@media (min-width: 768px) {
    .article-hero {
        min-height: 45vh;
        padding: var(--space-12) var(--space-3) var(--space-6);
    }

    .article-hero-content {
        padding: 0;
    }

    .article-title {
        font-size: clamp(1.6rem, 5.5vw, 2.2rem);
    }

    .article-main {
        padding: var(--space-6) var(--space-3);
    }

    .article-content {
        padding: var(--space-7) var(--space-6);
    }

    .post-body img {
        width: auto;
        max-width: 100%;
        margin: var(--space-7) auto;
        border-radius: 0;
    }

    .post-body img.img-wrap-left {
        float: left;
        display: block;
        margin: var(--space-2) var(--space-6) var(--space-5) 0;
        max-width: 50%;
        border-radius: 0;
        shape-outside: margin-box;
    }

    .post-body img.img-wrap-right {
        float: right;
        display: block;
        margin: var(--space-2) 0 var(--space-5) var(--space-6);
        max-width: 50%;
        border-radius: 0;
        shape-outside: margin-box;
    }

    .post-body img.align-left,
    .post-body img[style*="float: left"],
    .post-body img[style*="float:left"] {
        float: left;
        display: inline;
        margin: var(--space-2) var(--space-5) var(--space-4) 0;
    }

    .post-body img.align-right,
    .post-body img[style*="float: right"],
    .post-body img[style*="float:right"] {
        float: right;
        display: inline;
        margin: var(--space-2) 0 var(--space-4) var(--space-5);
    }

    .post-body blockquote {
        padding: var(--space-4) 0 var(--space-4) var(--space-5);
        font-size: 1.25rem;
        margin: var(--space-8) 0;
        border-radius: 0;
    }

    .footer-tags,
    .share-section {
        flex-direction: row;
        align-items: center;
        gap: var(--space-4);
    }

    .author-bio-card {
        flex-direction: row;
        align-items: flex-start;
        text-align: left;
        padding: var(--space-6) var(--space-7);
    }

    .author-bio-avatar {
        width: 72px;
        height: 72px;
        font-size: 1.75rem;
    }

    .author-bio-name {
        font-size: 1.35rem;
    }

    .author-bio-role {
        margin-bottom: var(--space-3);
    }

    .related-posts-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--space-6);
    }

    .related-section {
        padding: var(--space-10) var(--space-4) var(--space-12);
    }

    .post-body#postBody,
    article .post-body,
    .blog-post .post-body {
        font-size: 1.125rem;
        line-height: 1.8;
        max-width: 42rem;
    }

    .post-body h2 {
        font-size: 1.8rem;
        margin-top: 3.5rem;
        scroll-margin-top: calc(var(--navbar-height) + var(--space-6));
    }

    .post-body h3 {
        font-size: 1.5rem;
        margin-top: var(--space-7);
        scroll-margin-top: calc(var(--navbar-height) + var(--space-6));
    }

    .post-body h1,
    .post-body h2,
    .post-body h3,
    .post-body h4,
    .post-body h5,
    .post-body h6 {
        scroll-margin-top: calc(var(--navbar-height) + var(--space-6));
        scroll-padding-top: calc(var(--navbar-height) + var(--space-6));
    }

    .post-body p {
        margin-bottom: var(--space-6);
    }
}

/* ---- 1024px — Desktop layout with sidebars ---- */
@media (min-width: 1024px) {
    .desktop-only {
        display: block;
    }

    .article-hero {
        min-height: 55vh;
        padding: var(--space-14) var(--space-4) var(--space-8);
    }

    .article-title {
        font-size: clamp(2.5rem, 6vw, 4.5rem);
    }

    .article-main {
        padding: var(--space-10) var(--space-4);
    }

    .article-layout {
        grid-template-columns: 220px 1fr 70px;
        gap: var(--space-7);
    }

    .article-sidebar-left {
        order: 0;
        margin-bottom: 0;
    }

    .sidebar-sticky {
        position: sticky;
        top: var(--space-6);
        max-height: calc(100vh - var(--space-10));
        overflow-y: auto;
        overflow-x: hidden;
        will-change: scroll-position;
    }

    .toc-container {
        margin: 0;
    }

    .article-content {
        max-width: 880px;
        padding: var(--space-7) var(--space-6);
        background: var(--avorio);
    }

    /* Sidebar-right returns to grid (not FAB) */
    .article-sidebar-right {
        position: static;
        display: block;
        width: auto;
    }

    .article-sidebar-right .sidebar-sticky {
        position: sticky;
        top: var(--space-6);
        max-height: calc(100vh - var(--space-10));
        overflow-y: auto;
    }

    .sidebar-actions {
        flex-direction: column;
    }

    .action-btn {
        background: var(--light-gray);
        border: 1px solid var(--border-light);
        box-shadow: none;
        backdrop-filter: none;
    }

    .action-btn:active {
        transform: none;
    }

    .post-body img.img-full-width {
        width: calc(100% + 7rem);
        max-width: none;
        margin: var(--space-7) -3.5rem;
        border-radius: 0;
    }

    .post-body img.img-pull-out {
        width: calc(100% + 3rem);
        max-width: none;
        margin: var(--space-7) -1.5rem;
        border-radius: 16px;
    }

    .toc-link {
        font-size: 0.85rem;
        padding: var(--space-2) var(--space-3);
    }

    .toc-link.toc-h3 {
        padding-left: var(--space-5);
        font-size: 0.8rem;
    }
}

/* ---- 1280px — Full desktop width ---- */
@media (min-width: 1280px) {
    .article-layout {
        grid-template-columns: 260px 1fr 80px;
        gap: var(--space-8);
    }

    .article-content {
        padding: var(--space-8) var(--space-6);
    }

    .toc-container {
        padding: var(--space-5);
    }

    .article-meta {
        gap: var(--space-5);
    }
}

/* =================================================
   REDUCED MOTION
   ================================================= */
@media (prefers-reduced-motion: reduce) {

    .reading-progress-bar,
    .post-body img[loading="lazy"],
    .share-modal-content,
    .toast {
        animation: none !important;
        transition: none !important;
    }

    .post-body img[loading="lazy"] {
        opacity: 1 !important;
    }
}

/* =================================================
   PRINT STYLES
   ================================================= */
@media print {

    .reading-progress-bar,
    .article-breadcrumb,
    .article-tags,
    .article-sidebar,
    .article-footer,
    .author-bio-section,
    .related-section,
    .back-section,
    .share-modal,
    .toast-container {
        display: none !important;
    }

    .article-hero {
        min-height: auto;
        padding: var(--space-6) 0;
        background: none !important;
    }

    .article-hero-bg {
        display: none;
    }

    .article-title {
        color: var(--text-primary) !important;
        text-shadow: none !important;
    }

    .article-meta .meta-item {
        color: var(--text-secondary) !important;
    }

    .article-layout {
        display: block;
    }

    .post-body img {
        box-shadow: none;
        page-break-inside: avoid;
    }
}