/* ============================================================
   BLOG — index listing + single article
   ============================================================ */

/* ---------- COVERS (generated, no image needed) ---------- */
.post-cover {
    position: relative;
    height: 170px;
    display: grid;
    place-items: center;
    overflow: hidden;
    background: linear-gradient(135deg, #1b2740, #0f1622);
}
.post-cover::after {
    content: '';
    position: absolute; inset: 0;
    background-image:
        linear-gradient(rgba(255,255,255,0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.05) 1px, transparent 1px);
    background-size: 26px 26px;
    mask-image: radial-gradient(circle at 50% 40%, #000, transparent 75%);
    -webkit-mask-image: radial-gradient(circle at 50% 40%, #000, transparent 75%);
}
.cover-glyph {
    position: relative;
    z-index: 1;
    display: grid; place-items: center;
    width: 64px; height: 64px;
    border-radius: 16px;
    color: #fff;
    background: rgba(255, 255, 255, 0.12);
    backdrop-filter: blur(4px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.35);
}
.cover-glyph svg { width: 30px; height: 30px; }
.cover-tag {
    position: absolute;
    z-index: 1;
    top: 16px; left: 16px;
    padding: 4px 12px;
    border-radius: 100px;
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: #fff;
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(255, 255, 255, 0.18);
    backdrop-filter: blur(4px);
}
/* accents */
.post-cover.accent-blue   { background: linear-gradient(135deg, #1d3a8a, #0b1426); }
.post-cover.accent-cyan   { background: linear-gradient(135deg, #0e5e6b, #0b1620); }
.post-cover.accent-violet { background: linear-gradient(135deg, #43277d, #120c22); }
.post-cover.accent-amber  { background: linear-gradient(135deg, #7a4a12, #1a1206); }
.post-cover.accent-green  { background: linear-gradient(135deg, #14613f, #0a1712); }
.post-cover--lg { height: 230px; border-radius: var(--radius-lg); margin-bottom: 40px; }
.post-cover--lg .cover-glyph { width: 78px; height: 78px; border-radius: 20px; }
.post-cover--lg .cover-glyph svg { width: 38px; height: 38px; }

/* ---------- INDEX GRID ---------- */
.blog-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}
.post-card {
    display: flex;
    flex-direction: column;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: transform var(--t), border-color var(--t), box-shadow var(--t);
}
.post-card:hover { transform: translateY(-6px); border-color: var(--border-2); box-shadow: var(--shadow); }
.post-card-body { padding: 26px; display: flex; flex-direction: column; flex: 1; }
.post-meta {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-bottom: 12px;
}
.dot-sep { opacity: 0.5; }
.post-card-title { font-size: 1.18rem; line-height: 1.35; margin-bottom: 12px; }
.post-card-excerpt { font-size: 0.92rem; color: var(--text-2); margin-bottom: 20px; flex: 1; }
.post-card-link {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--accent-bright);
}
.post-card:hover .post-card-link svg { transform: translateX(4px); }
.post-card-link svg { transition: transform var(--t-fast); }
.blog-empty { text-align: center; color: var(--text-muted); }

/* ---------- SINGLE ARTICLE ---------- */
.post-wrap {
    max-width: 760px;
    margin: 0 auto;
    padding: calc(var(--nav-h) + 56px) 28px 40px;
}
.post-back {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    font-size: 0.86rem;
    font-weight: 600;
    color: var(--text-muted);
    margin-bottom: 26px;
    transition: color var(--t-fast);
}
.post-back:hover { color: var(--accent-bright); }
.post-back svg { transition: transform var(--t-fast); }
.post-back:hover svg { transform: translateX(-3px); }

.post-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 18px; }
.post-tag {
    padding: 4px 12px;
    background: var(--accent-soft);
    border: 1px solid var(--accent-line);
    border-radius: 100px;
    font-size: 0.72rem; font-weight: 600;
    color: var(--accent-bright);
    text-transform: uppercase; letter-spacing: 0.5px;
}
.post-title {
    font-size: clamp(1.9rem, 4.5vw, 2.9rem);
    line-height: 1.18;
    letter-spacing: -0.025em;
    margin-bottom: 22px;
}
.post-meta--hero { font-size: 0.9rem; margin-bottom: 0; }
.post-byline { display: inline-flex; align-items: center; gap: 9px; color: var(--text-2); font-weight: 500; }
.byline-avatar {
    display: grid; place-items: center;
    width: 30px; height: 30px;
    border-radius: 50%;
    background: var(--accent-grad);
    color: #fff; font-size: 0.72rem; font-weight: 700;
}

/* ---------- RENDERED MARKDOWN ---------- */
.post-body { font-size: 1.075rem; line-height: 1.85; color: var(--text-2); }
.post-loading { color: var(--text-muted); }
.post-body > p { margin-bottom: 22px; }
.post-body h2 {
    font-size: 1.55rem;
    color: var(--text);
    margin: 48px 0 18px;
    padding-top: 8px;
    letter-spacing: -0.02em;
}
.post-body h3 { font-size: 1.25rem; color: var(--text); margin: 34px 0 14px; }
.post-body a { color: var(--accent-bright); text-decoration: underline; text-underline-offset: 3px; text-decoration-thickness: 1px; }
.post-body a:hover { color: var(--accent); }
.post-body strong { color: var(--text); font-weight: 600; }
.post-body ul, .post-body ol { margin: 0 0 24px; padding-left: 26px; }
.post-body li { margin-bottom: 10px; }
.post-body li::marker { color: var(--accent); }
.post-body ul li::marker { color: var(--accent-bright); }

.post-body blockquote {
    margin: 30px 0;
    padding: 22px 26px;
    background: var(--accent-soft);
    border-left: 3px solid var(--accent);
    border-radius: 0 var(--radius) var(--radius) 0;
    color: var(--text);
    font-size: 1.08rem;
    font-style: italic;
}
.post-body blockquote p { margin: 0; }
.post-body blockquote p + p { margin-top: 12px; }
.post-body blockquote a { font-style: normal; }

.post-body code {
    font-family: var(--font-mono);
    font-size: 0.88em;
    background: var(--bg-3);
    padding: 2px 7px;
    border-radius: 6px;
    color: var(--accent-bright);
}
.post-body pre {
    background: var(--bg-3);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px;
    overflow-x: auto;
    margin: 0 0 24px;
}
.post-body pre code { background: none; padding: 0; color: var(--text-2); }

/* tables */
.table-scroll {
    overflow-x: auto;
    margin: 14px 0 30px;
    -webkit-overflow-scrolling: touch;
    border: 1px solid var(--border);
    border-radius: var(--radius);
}
.post-body table {
    width: 100%;
    min-width: 480px;
    border-collapse: collapse;
    font-size: 0.94rem;
}
.post-body thead { background: var(--surface-2); }
.post-body th, .post-body td {
    text-align: left;
    padding: 13px 16px;
    border-bottom: 1px solid var(--border);
    vertical-align: top;
}
.post-body th { color: var(--text); font-weight: 600; }
.post-body tbody tr:last-child td { border-bottom: none; }
.post-body tbody tr:hover { background: var(--card); }

.post-body hr { border: none; border-top: 1px solid var(--border); margin: 40px 0; }

/* ---------- SHARE + NEXT ---------- */
.post-share {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-top: 48px;
    padding-top: 26px;
    border-top: 1px solid var(--border);
    font-size: 0.9rem;
    color: var(--text-muted);
}
.post-share a {
    display: grid; place-items: center;
    width: 40px; height: 40px;
    border-radius: 50%;
    background: var(--card);
    border: 1px solid var(--border);
    color: var(--text-2);
    transition: all var(--t-fast);
}
.post-share a:hover { color: #fff; border-color: var(--accent); background: var(--accent-soft); transform: translateY(-2px); }

.post-next { margin-top: 44px; }
.post-next-label {
    display: block;
    font-size: 0.74rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.4px;
    color: var(--text-muted);
    margin-bottom: 14px;
}
.post-next-card {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    padding: 26px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    transition: all var(--t-fast);
}
.post-next-card:hover { border-color: var(--border-2); background: var(--card-hover); transform: translateY(-3px); }
.post-next-card h3 { font-size: 1.12rem; }
.post-next-card .post-card-link { flex-shrink: 0; }

/* errors */
.post-error { text-align: center; padding: 60px 0; }
.post-error h1 { font-size: 2rem; margin-bottom: 12px; }
.post-error p { color: var(--text-2); margin-bottom: 26px; }
.post-error-inline { color: var(--text-muted); }

/* ---------- RESPONSIVE ---------- */
@media (max-width: 1024px) { .blog-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 680px) {
    .blog-grid { grid-template-columns: 1fr; }
    .post-next-card { flex-direction: column; align-items: flex-start; }
    .post-body { font-size: 1.02rem; }
}