/* ====================================================
   SINGLE BLOG POST
   Title, meta, image, content on left.
   Sidebar on right.
   Inherits: --color-primary, --font-heading,
   --font-text from style.css :root.
==================================================== */

.site-main { margin-top: 0 !important; padding-top: 0 !important; }

.st-sb-article { background: transparent; position: relative; z-index: 1; }

.st-sb-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 5vw;
}

/* ══════════════════════════════════════════════
   BACK TO BLOG BAR
══════════════════════════════════════════════ */
.st-sb-topbar {
    padding-top: 110px;
    padding-bottom: 10px;
}

.st-sb-back {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-family: var(--font-heading);
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-primary);
    text-decoration: none;
    transition: gap 0.3s ease;
}

.st-sb-back:hover {
    gap: 12px;
}

/* ══════════════════════════════════════════════
   TWO-COLUMN LAYOUT
══════════════════════════════════════════════ */
.st-sb-content-wrap {
    padding-bottom: 80px;
    position: relative;
}

.st-sb-layout {
    display: grid;
    grid-template-columns: 1fr 340px;
    gap: 60px;
    align-items: start;
}

/* ══════════════════════════════════════════════
   LEFT COLUMN: Meta + Title + Image + Content
══════════════════════════════════════════════ */
.st-sb-left {
    min-width: 0;
}

/* ── Meta ── */
.st-sb-meta {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 20px;
}

.st-sb-cat {
    display: inline-block;
    font-family: var(--font-heading);
    font-size: 0.6rem;
    font-weight: 700;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: #000;
    background: var(--color-primary);
    padding: 5px 14px;
    border-radius: 4px;
    text-decoration: none;
    transition: background 0.3s ease;
}

.st-sb-cat:hover {
    background: #ff7a1a;
}

.st-sb-meta-sep {
    color: rgba(255, 255, 255, 0.15);
    font-size: 0.7rem;
}

.st-sb-meta-item {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    font-family: var(--font-text);
    font-size: 0.78rem;
    color: var(--text-muted);
}

.st-sb-meta-item svg {
    opacity: 0.5;
}

/* ── Title ── */
.st-sb-title {
    font-family: var(--font-heading);
    font-size: clamp(2rem, 4vw, 3.2rem);
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.1;
    letter-spacing: -0.025em;
    text-transform: none;
    margin: 0 0 28px;
    max-width: 100%;
}

/* ── Featured Image ── */
.st-sb-featured-img {
    width: 100%;
    border-radius: 12px;
    overflow: hidden;
    aspect-ratio: 16 / 8;
    margin-bottom: 36px;
}

.st-sb-featured-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

/* ══════════════════════════════════════════════
   POST CONTENT
══════════════════════════════════════════════ */
.st-sb-content {
    font-family: var(--font-text);
    font-size: 1rem;
    font-weight: 300;
    color: var(--text-desc);
    line-height: 1.85;
}

.st-sb-content > *:first-child {
    margin-top: 0;
}

.st-sb-content h2,
.st-sb-content h3,
.st-sb-content h4 {
    font-family: var(--font-heading);
    font-weight: 700;
    color: var(--text-primary);
    text-transform: none;
    letter-spacing: -0.01em;
    line-height: 1.2;
    margin: 40px 0 16px;
}

.st-sb-content h2 { font-size: 1.7rem; }
.st-sb-content h3 { font-size: 1.3rem; }
.st-sb-content h4 { font-size: 1.1rem; }

.st-sb-content p {
    margin: 0 0 20px;
}

.st-sb-content a {
    color: var(--color-primary);
    text-decoration: underline;
    text-underline-offset: 3px;
    transition: color 0.3s ease;
}

.st-sb-content a:hover {
    color: #ff7a1a;
}

.st-sb-content strong {
    color: var(--text-primary);
    font-weight: 600;
}

.st-sb-content ul,
.st-sb-content ol {
    margin: 0 0 24px;
    padding-left: 24px;
}

.st-sb-content li {
    margin-bottom: 10px;
}

.st-sb-content li::marker {
    color: var(--color-primary);
}

.st-sb-content blockquote {
    margin: 32px 0;
    padding: 24px 28px;
    border-left: 3px solid var(--color-primary);
    background: rgba(255, 255, 255, 0.03);
    border-radius: 0 8px 8px 0;
    font-style: italic;
    color: var(--text-primary);
}

.st-sb-content blockquote p {
    margin: 0;
}

.st-sb-content img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    margin: 24px 0;
}

.st-sb-content code {
    font-family: 'SF Mono', 'Fira Code', monospace;
    font-size: 0.88em;
    background: rgba(255, 255, 255, 0.06);
    padding: 3px 8px;
    border-radius: 4px;
    color: var(--color-primary);
}

.st-sb-content pre {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: 8px;
    padding: 20px 24px;
    overflow-x: auto;
    margin: 24px 0;
}

.st-sb-content pre code {
    background: none;
    padding: 0;
    color: var(--text-desc);
}

.st-sb-content hr {
    border: none;
    height: 1px;
    background: rgba(255, 255, 255, 0.08);
    margin: 40px 0;
}

/* ══════════════════════════════════════════════
   POST NAVIGATION (Prev / Next)
══════════════════════════════════════════════ */
.st-sb-nav {
    display: flex;
    gap: 16px;
    margin-top: 48px;
    padding-top: 32px;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.st-sb-nav-link {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 6px;
    padding: 18px 20px;
    background: var(--bg-card, #111);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: 10px;
    text-decoration: none;
    transition: border-color 0.3s ease, background 0.3s ease;
}

.st-sb-nav-link:hover {
    border-color: rgba(255, 255, 255, 0.12);
    background: rgba(255, 255, 255, 0.04);
}

.st-sb-nav-next {
    text-align: right;
    align-items: flex-end;
}

.st-sb-nav-label {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-family: var(--font-heading);
    font-size: 0.62rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--color-primary);
}

.st-sb-nav-title {
    font-family: var(--font-heading);
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--text-primary);
    line-height: 1.3;
    text-transform: none;
    letter-spacing: -0.01em;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* ══════════════════════════════════════════════
   SIDEBAR
══════════════════════════════════════════════ */
.st-sb-sidebar {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.st-sb-widget {
    background: var(--bg-card, #111);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: 10px;
    padding: 18px;
    overflow: hidden;
    word-break: break-word;
}

.st-sb-widget-title {
    font-family: var(--font-heading);
    font-size: 0.62rem;
    font-weight: 700;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--text-primary);
    margin: 0 0 14px;
    padding-bottom: 10px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

/* ── Search ── */
.st-sb-search {
    display: flex;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 6px;
    overflow: hidden;
}

.st-sb-search input {
    flex: 1;
    padding: 9px 12px;
    background: transparent;
    border: none;
    color: var(--text-primary);
    font-family: var(--font-text);
    font-size: 0.8rem;
    outline: none;
}

.st-sb-search input::placeholder {
    color: var(--text-muted);
}

.st-sb-search button {
    padding: 9px 12px;
    background: transparent;
    border: none;
    border-left: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--text-muted);
    cursor: pointer;
    transition: color 0.3s ease;
}

.st-sb-search button:hover {
    color: var(--color-primary);
}

/* ── Categories ── */
.st-sb-cat-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.st-sb-cat-list li {
    margin-bottom: 0;
}

.st-sb-cat-list a {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 7px 0;
    font-family: var(--font-text);
    font-size: 0.82rem;
    color: var(--text-desc);
    text-decoration: none;
    border-bottom: 1px solid rgba(255, 255, 255, 0.04);
    transition: color 0.3s ease;
}

.st-sb-cat-list li:last-child a {
    border-bottom: none;
}

.st-sb-cat-list a:hover {
    color: var(--color-primary);
}

.st-sb-cat-count {
    font-family: var(--font-heading);
    font-size: 0.65rem;
    font-weight: 600;
    color: var(--text-muted);
    background: rgba(255, 255, 255, 0.05);
    padding: 2px 8px;
    border-radius: 999px;
}

/* ── Recent Posts ── */
.st-sb-recent {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.st-sb-recent-item {
    display: flex;
    gap: 12px;
    padding: 8px 0;
    text-decoration: none;
    border-bottom: 1px solid rgba(255, 255, 255, 0.04);
    transition: background 0.2s ease;
}

.st-sb-recent-item:last-child {
    border-bottom: none;
}

.st-sb-recent-item:hover .st-sb-recent-title {
    color: var(--color-primary);
}

.st-sb-recent-img {
    width: 52px;
    height: 52px;
    border-radius: 6px;
    overflow: hidden;
    flex-shrink: 0;
}

.st-sb-recent-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.st-sb-recent-body {
    flex: 1;
    min-width: 0;
}

.st-sb-recent-title {
    font-family: var(--font-heading);
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--text-primary);
    line-height: 1.3;
    margin: 0 0 4px;
    text-transform: none;
    letter-spacing: -0.01em;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    transition: color 0.3s ease;
}

.st-sb-recent-date {
    font-family: var(--font-text);
    font-size: 0.7rem;
    color: var(--text-muted);
}

/* ── Newsletter Widget ── */
.st-sb-newsletter {
    background: linear-gradient(135deg, rgba(255, 94, 0, 0.08) 0%, rgba(255, 94, 0, 0.02) 100%);
    border-color: rgba(255, 94, 0, 0.15);
}

.st-sb-newsletter .st-sb-widget-title {
    font-size: 0.82rem;
    line-height: 1.5;
    border-bottom: none;
    padding-bottom: 0;
    overflow: hidden;
}

.st-sb-accent {
    color: var(--color-primary);
}

.st-sb-newsletter-sub {
    font-family: var(--font-text);
    font-size: 0.8rem;
    color: var(--text-desc);
    line-height: 1.6;
    margin: 12px 0 18px;
}

.st-sb-newsletter-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    background: var(--color-primary);
    color: #fff;
    border: 1.5px solid var(--color-primary);
    border-radius: 8px;
    font-family: var(--font-heading);
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.35s ease;
    width: auto;
    min-width: 50%;
    justify-content: center;
    box-sizing: border-box;
}

.st-sb-newsletter-btn:hover {
    background: transparent;
    color: var(--color-primary);
}

.st-sb-newsletter-btn svg {
    transition: transform 0.3s ease;
}

.st-sb-newsletter-btn:hover svg {
    transform: translateX(4px);
}

/* ══════════════════════════════════════════════
   RESPONSIVE
══════════════════════════════════════════════ */
@media (max-width: 1024px) {
    .st-sb-layout {
        grid-template-columns: 1fr 280px;
        gap: 40px;
    }
}

@media (max-width: 768px) {
    .st-sb-topbar { padding-top: 100px; }

    .st-sb-layout {
        grid-template-columns: 1fr;
        gap: 48px;
    }

    .st-sb-sidebar {
        position: static;
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 16px;
    }

    .st-sb-newsletter {
        grid-column: 1 / -1;
    }

    .st-sb-title {
        font-size: clamp(1.6rem, 6vw, 2.2rem);
    }

    .st-sb-nav {
        flex-direction: column;
        gap: 12px;
    }
}

@media (max-width: 480px) {
    .st-sb-sidebar {
        grid-template-columns: 1fr;
    }

    .st-sb-meta {
        gap: 6px;
    }

    .st-sb-meta-sep {
        display: none;
    }
}

/* ══════════════════════════════════════════════
   LIGHT MODE OVERRIDES
══════════════════════════════════════════════ */
html.light-mode .st-sb-search input {
    background: rgba(0, 0, 0, 0.04);
}

html.light-mode .st-sb-search {
    border-color: rgba(0, 0, 0, 0.1);
}

html.light-mode .st-sb-search button {
    border-left-color: rgba(0, 0, 0, 0.1);
}