/* =====================================================
   BLANCORE — Blog (article + listing). Theme-aware via style.css vars.
   ===================================================== */

/* --- Shared narrow measure -------------------------- */
.post-narrow {
    max-width: 720px;
}

/* --- Category chip + meta --------------------------- */
.post-category {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--color-primary);
    background: var(--color-primary-glow);
    padding: 4px 12px;
    border-radius: 100px;
    margin-bottom: var(--space-sm);
}

.post-hero {
    padding: calc(var(--nav-height) + var(--space-lg)) var(--space-md) var(--space-md);
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
}

.post-hero h1 {
    font-size: clamp(1.9rem, 4.5vw, 2.9rem);
    line-height: 1.15;
    letter-spacing: -1px;
    color: var(--color-text);
    margin-bottom: var(--space-sm);
}

.post-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    align-items: center;
    font-size: 0.85rem;
    color: var(--color-text-secondary);
}

.post-meta strong { color: var(--color-text); }

/* --- Hero image ------------------------------------- */
.post-hero-img {
    max-width: 960px;
    margin: var(--space-lg) auto 0;
    padding: 0 var(--space-md);
}

.post-hero-img img {
    width: 100%;
    height: auto;
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
}

/* --- Article body typography ------------------------ */
.post-body {
    padding-top: var(--space-lg);
    padding-bottom: var(--space-xl);
}

.post-body p,
.post-body ul,
.post-body ol {
    font-size: 1.05rem;
    line-height: 1.8;
    color: var(--color-text-secondary);
    margin-bottom: var(--space-sm);
}

.post-body h2 {
    font-size: 1.6rem;
    color: var(--color-text);
    margin: var(--space-lg) 0 var(--space-xs);
    letter-spacing: -0.5px;
}

.post-body h3 {
    font-size: 1.2rem;
    color: var(--color-text);
    margin: var(--space-md) 0 var(--space-xs);
}

.post-body ul,
.post-body ol {
    padding-left: 1.4rem;
}

.post-body li { margin-bottom: 0.4rem; }

.post-body a {
    color: var(--color-primary);
    text-decoration: underline;
    text-underline-offset: 2px;
}

.post-body a:hover { opacity: 0.8; }

/* Buttons inside the article body must keep their own styling, not the
   inline-link colour above (which was making the download button invisible). */
.post-body a.btn { text-decoration: none; }
.post-body a.btn-primary { color: #fff; }
.post-body a.btn-white { color: var(--color-text); }

.post-body strong { color: var(--color-text); }

.post-body blockquote {
    margin: var(--space-md) 0;
    padding: var(--space-sm) var(--space-md);
    border-left: 3px solid var(--color-primary);
    background: var(--color-surface);
    border-radius: 0 var(--radius) var(--radius) 0;
    font-size: 1.1rem;
    line-height: 1.7;
    color: var(--color-text);
}

.post-body blockquote p { margin-bottom: 0; color: var(--color-text); }

.post-body .lead {
    font-size: 1.2rem;
    line-height: 1.7;
    color: var(--color-text);
}

.post-body figure { margin: var(--space-lg) 0; }
.post-body figure img {
    width: 100%;
    height: auto;
    display: block;
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
}
.post-body figcaption {
    font-size: 0.82rem;
    color: var(--color-muted);
    text-align: center;
    margin-top: 10px;
}
.post-body .source-note {
    font-size: 0.85rem;
    color: var(--color-muted);
    border-top: 1px solid var(--color-border);
    padding-top: var(--space-sm);
    margin-top: var(--space-md);
}
.post-body .source-note ol { font-size: 0.85rem; line-height: 1.6; }
.post-body .source-note h2 { font-size: 1.15rem; color: var(--color-text-secondary); margin-bottom: 8px; }
.post-body .source-note ul { font-size: 0.85rem; line-height: 1.7; padding-left: 1.2rem; margin-top: 10px; }
.post-body .source-note li { margin-bottom: 5px; }
.post-body .nlm-figure figcaption { font-style: italic; }

/* --- Download box ----------------------------------- */
.post-download {
    display: flex;
    gap: var(--space-sm);
    align-items: flex-start;
    background: var(--color-surface);
    border: 1px solid var(--color-border-bright);
    border-radius: var(--radius-lg);
    padding: var(--space-md);
    margin: var(--space-lg) 0;
    box-shadow: var(--shadow-glow);
}

.post-download-icon {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-primary-glow);
    color: var(--color-primary);
}

.post-download h3 { margin-bottom: 4px; color: var(--color-text); }
.post-download p { font-size: 0.92rem; color: var(--color-text-secondary); margin-bottom: var(--space-sm); }

/* --- Audio / podcast player -------------------------- */
.post-audio {
    background: var(--color-surface);
    border: 1px solid var(--color-border-bright);
    border-radius: var(--radius-lg);
    padding: var(--space-md);
    margin: var(--space-lg) 0;
    box-shadow: var(--shadow-glow);
}
.post-audio-head {
    display: flex;
    gap: 14px;
    align-items: center;
    margin-bottom: 14px;
}
.post-audio-icon { font-size: 28px; line-height: 1; }
.post-audio-head strong { display: block; color: var(--color-text); font-size: 1.05rem; }
.post-audio-head span { font-size: 0.88rem; color: var(--color-text-secondary); }
.post-audio audio { width: 100%; }

/* --- FAQ + related ---------------------------------- */
.post-faq { margin-top: var(--space-lg); }
.post-faq h2,
.post-related h2 { font-size: 1.5rem; margin-bottom: var(--space-sm); color: var(--color-text); }
.post-faq .faq-grid { margin: 0; }

.post-related { margin-top: var(--space-lg); }
.post-related ul { list-style: none; display: flex; flex-wrap: wrap; gap: 10px; }
.post-related a {
    display: inline-block;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--color-primary);
    border: 1px solid var(--color-border-bright);
    border-radius: 100px;
    padding: 8px 16px;
    transition: border-color 0.2s;
}
.post-related a:hover { border-color: var(--color-primary); }

/* --- Listing grid ----------------------------------- */
.blog-list-section {
    padding: var(--space-xl) var(--space-md);
    background: var(--color-bg);
}

.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: var(--space-md);
}

.blog-card {
    display: flex;
    flex-direction: column;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: transform 0.25s ease, border-color 0.25s, box-shadow 0.25s;
}

.blog-card:hover {
    transform: translateY(-4px);
    border-color: var(--color-border-bright);
    box-shadow: var(--shadow-glow);
}

.blog-card-img {
    aspect-ratio: 1200 / 630;
    overflow: hidden;
    border-bottom: 1px solid var(--color-border);
}

.blog-card-img img { width: 100%; height: 100%; object-fit: cover; }

.blog-card-body { padding: var(--space-md); display: flex; flex-direction: column; flex: 1; }

.blog-card-body h2 {
    font-size: 1.2rem;
    line-height: 1.3;
    color: var(--color-text);
    margin-bottom: var(--space-xs);
}

.blog-card-body p {
    font-size: 0.92rem;
    line-height: 1.6;
    color: var(--color-text-secondary);
    margin-bottom: var(--space-sm);
    flex: 1;
}

.blog-card-meta {
    display: flex;
    gap: 8px;
    font-size: 0.8rem;
    color: var(--color-muted);
    font-family: var(--font-mono);
}

/* --- Homepage "Latest Insights" (uses .blog-grid) --- */
#insights { padding: var(--space-2xl) var(--space-md); }

@media (max-width: 768px) {
    .post-hero { padding-top: calc(var(--nav-height) + var(--space-md)); }
    .post-download { flex-direction: column; }
    .blog-grid { grid-template-columns: 1fr; }
}