/* ── Reading Progress ── */
.read-progress-bar {
    position: fixed; top: 0; left: 0; height: 3px; width: 0%;
    background: linear-gradient(90deg, var(--wl-secondary), var(--wl-accent));
    z-index: 9999; transition: width 0.1s linear;
}

/* ── Hero ── */
.bdet-hero { position: relative; height: 520px; overflow: hidden; }
.bdet-hero-img { width: 100%; height: 100%; object-fit: cover; transition: transform 8s ease; }
.bdet-hero-placeholder {
    width: 100%; height: 100%;
    background: linear-gradient(135deg, var(--wl-primary) 0%, #1a5c8a 60%, #0a2a4a 100%);
}
.bdet-hero:hover .bdet-hero-img { transform: scale(1.04); }
.bdet-hero-overlay {
    position: absolute; inset: 0;
    background: linear-gradient(to bottom, rgba(10,20,40,0.35) 0%, rgba(10,20,40,0.7) 100%);
}
.bdet-hero-content { position: absolute; bottom: 0; left: 0; right: 0; padding: 48px 0 44px; }
.bdet-cat-pill {
    display: inline-flex; align-items: center; gap: 6px;
    background: var(--wl-accent); color: #fff;
    border-radius: 20px; padding: 5px 14px;
    font-size: 0.78rem; font-weight: 700;
    text-transform: uppercase; letter-spacing: 0.05em; margin-bottom: 16px;
}
.bdet-hero-title {
    color: #fff; font-size: clamp(1.6rem, 3.5vw, 2.6rem);
    font-weight: 800; line-height: 1.25;
    max-width: 760px; margin-bottom: 20px;
}
.bdet-hero-meta {
    display: flex; align-items: center; gap: 14px; flex-wrap: wrap;
    color: rgba(255,255,255,0.8); font-size: 0.86rem;
}
.bdet-hero-meta img {
    width: 38px; height: 38px; border-radius: 50%; object-fit: cover;
    border: 2px solid rgba(255,255,255,0.5);
}
.bdet-hero-meta .meta-sep { opacity: 0.4; }

/* ── Layout ── */
.bdet-layout { padding: 52px 0 80px; background: var(--wl-bg); }
.bdet-sidebar { position: sticky; top: 100px; }

/* ── Breadcrumb ── */
.bdet-breadcrumb {
    display: flex; align-items: center; gap: 8px;
    font-size: 0.82rem; color: var(--wl-text-muted); margin-bottom: 32px;
}
.bdet-breadcrumb a { color: var(--wl-text-muted); text-decoration: none; transition: color 0.2s; }
.bdet-breadcrumb a:hover { color: var(--wl-primary); }
.bdet-breadcrumb i { font-size: 0.65rem; opacity: 0.5; }

/* ── Article Content ── */
.bdet-content { font-size: 1.05rem; line-height: 1.85; color: var(--wl-text); }
.bdet-content h2 { font-size: 1.55rem; font-weight: 800; color: var(--wl-text); margin: 44px 0 18px; line-height: 1.3; }
.bdet-content h3 { font-size: 1.2rem; font-weight: 700; color: var(--wl-text); margin: 32px 0 14px; }
.bdet-content p { margin-bottom: 22px; }
.bdet-content a { color: var(--wl-primary); }
.bdet-content ul, .bdet-content ol { padding-left: 22px; margin-bottom: 22px; }
.bdet-content li { margin-bottom: 8px; }
.bdet-content strong { color: var(--wl-text); font-weight: 700; }
.bdet-content img { max-width: 100%; border-radius: 12px; margin: 16px 0; }
.bdet-content blockquote {
    border-left: 4px solid var(--wl-accent);
    margin: 36px 0; padding: 20px 28px;
    background: var(--wl-surface-2); border-radius: 0 12px 12px 0;
    font-size: 1.1rem; font-style: italic; font-weight: 600; color: var(--wl-text);
}

/* ── Tags Row ── */
.bdet-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 36px; }
.bdet-tag {
    background: var(--wl-surface-2); border: 1px solid var(--wl-border);
    border-radius: 20px; padding: 5px 14px;
    font-size: 0.78rem; font-weight: 600; color: var(--wl-text-muted);
    text-decoration: none; transition: all 0.2s;
}
.bdet-tag:hover { background: var(--wl-primary); color: #fff; border-color: var(--wl-primary); }

/* ── Share ── */
.bdet-share {
    display: flex; align-items: center; gap: 10px; flex-wrap: wrap;
    padding: 24px 0; border-top: 1px solid var(--wl-border); border-bottom: 1px solid var(--wl-border);
    margin-bottom: 40px;
}
.bdet-share span { font-size: 0.88rem; font-weight: 700; color: var(--wl-text); margin-right: 4px; }
.share-btn {
    width: 38px; height: 38px; border-radius: 10px; border: none; cursor: pointer;
    display: flex; align-items: center; justify-content: center;
    font-size: 0.9rem; color: #fff; transition: opacity 0.2s, transform 0.15s;
}
.share-btn:hover { opacity: 0.85; transform: translateY(-2px); }
.share-btn.fb { background: #1877f2; }
.share-btn.tw { background: #1da1f2; }
.share-btn.wa { background: #25d366; }
.share-btn.li { background: #0077b5; }
.share-btn.cp { background: var(--wl-surface-2); color: var(--wl-text); border: 1px solid var(--wl-border); }
.share-link-count { font-size: 0.82rem; color: var(--wl-text-muted); margin-left: auto; }

/* ── Author Card ── */
.bdet-author-card {
    background: var(--wl-surface); border: 1px solid var(--wl-border);
    border-radius: 20px; padding: 32px; margin-bottom: 48px;
    display: flex; gap: 24px; align-items: flex-start;
}
.bdet-author-card img {
    width: 80px; height: 80px; border-radius: 50%; object-fit: cover;
    border: 3px solid var(--wl-border); flex-shrink: 0;
}
.bdet-author-card h4 { font-size: 1.05rem; font-weight: 800; margin-bottom: 4px; }
.bdet-author-card .author-role { font-size: 0.8rem; color: var(--wl-secondary); font-weight: 600; margin-bottom: 10px; }
.bdet-author-card p { font-size: 0.88rem; color: var(--wl-text-muted); line-height: 1.65; margin-bottom: 0; }

/* ── Sidebar ── */
.bdet-sb-card {
    background: var(--wl-surface); border: 1px solid var(--wl-border);
    border-radius: 16px; padding: 24px; margin-bottom: 24px;
}
.bdet-sb-title {
    font-size: 0.88rem; font-weight: 800; text-transform: uppercase;
    letter-spacing: 0.06em; color: var(--wl-text); margin-bottom: 18px;
    display: flex; align-items: center; gap: 8px;
}
.bdet-sb-title::after {
    content: ''; flex: 1; height: 2px;
    background: linear-gradient(90deg, var(--wl-primary), transparent);
    border-radius: 2px;
}
.related-mini {
    display: flex; gap: 12px; margin-bottom: 16px;
    text-decoration: none; align-items: flex-start;
}
.related-mini:last-child { margin-bottom: 0; }
.related-mini-img { width: 68px; height: 68px; border-radius: 10px; overflow: hidden; flex-shrink: 0; }
.related-mini-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.3s; }
.related-mini-img-placeholder {
    width: 100%; height: 100%;
    background: linear-gradient(135deg, var(--wl-primary), #1a5c8a);
    display: flex; align-items: center; justify-content: center;
    color: rgba(255,255,255,0.3); font-size: 1.2rem;
}
.related-mini:hover .related-mini-img img { transform: scale(1.08); }
.related-mini-title {
    font-size: 0.85rem; font-weight: 700; color: var(--wl-text);
    line-height: 1.4; margin-bottom: 5px;
    display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.related-mini:hover .related-mini-title { color: var(--wl-primary); }
.related-mini-meta { font-size: 0.74rem; color: var(--wl-text-muted); }

/* ── Related Posts Grid ── */
.related-section {
    padding: 60px 0; background: var(--wl-surface);
    border-top: 1px solid var(--wl-border);
}
.related-card {
    background: var(--wl-bg); border-radius: 16px;
    overflow: hidden; border: 1px solid var(--wl-border);
    text-decoration: none; display: block;
    transition: transform 0.3s, box-shadow 0.3s;
}
.related-card:hover { transform: translateY(-4px); box-shadow: 0 12px 40px rgba(0,0,0,0.1); }
.related-card-img { aspect-ratio: 16/10; overflow: hidden; }
.related-card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s; }
.related-card-img-placeholder {
    width: 100%; height: 100%;
    background: linear-gradient(135deg, var(--wl-primary), #1a5c8a);
    display: flex; align-items: center; justify-content: center;
    color: rgba(255,255,255,0.25); font-size: 2rem;
}
.related-card:hover .related-card-img img { transform: scale(1.05); }
.related-card-body { padding: 18px; }
.related-card-cat { font-size: 0.72rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.05em; color: var(--wl-secondary); margin-bottom: 8px; }
.related-card-title {
    font-size: 0.95rem; font-weight: 700; color: var(--wl-text);
    line-height: 1.4; margin-bottom: 10px;
    display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.related-card-meta { font-size: 0.78rem; color: var(--wl-text-muted); }

@media (max-width: 767px) {
    .bdet-hero { height: 380px; }
    .bdet-author-card { flex-direction: column; }
}