/* ========================================
   SOLARIS — Blog Section & Pages
   Chunky cards, game-like
   ======================================== */

.blog-preview,
.blog-page {
    padding: var(--space-xl) 0;
    background: var(--bg-primary);
}

.blog-page {
    padding-top: calc(var(--header-height) + var(--space-lg));
}

/* ---- Listing grid ---- */

.blog-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-md);
}

.blog-card {
    background: var(--bg-card);
    border: var(--border-width) solid var(--border-color);
    border-radius: var(--border-radius);
    overflow: hidden;
    transition: var(--transition);
    display: block;
    color: var(--text-primary);
    text-decoration: none;
    box-shadow: var(--shadow-card);
}

.blog-card:hover {
    transform: translateY(-8px);
    border-color: var(--border-color-hover);
    box-shadow: var(--shadow-card-hover);
    color: var(--text-primary);
}

.blog-card-thumbnail {
    width: 100%;
    aspect-ratio: 16 / 9;
    overflow: hidden;
    background: var(--bg-secondary);
    position: relative;
}

.blog-card-thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.blog-card:hover .blog-card-thumbnail img {
    transform: scale(1.08);
}

.blog-card-placeholder {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(0, 134, 217, 0.08), rgba(144, 51, 140, 0.08));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.2rem;
    color: rgba(50, 90, 211, 0.22);
}

.blog-card-body {
    padding: var(--space-sm) var(--space-sm) calc(var(--space-sm) + 6px);
}

.blog-card-date {
    font-size: 0.75rem;
    color: var(--primary-light);
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.blog-card-title {
    margin: 8px 0 10px;
    font-size: 1.1rem;
    line-height: 1.35;
}

.blog-card-summary {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.6;
    font-weight: 600;
}

.blog-empty {
    text-align: center;
    color: var(--text-secondary);
    padding: var(--space-lg) 0;
}

/* ---- Archived badge on cards ---- */

.archived-badge {
    position: absolute;
    top: 10px;
    left: 10px;
    background: rgba(0, 0, 0, 0.75);
    color: var(--accent-warm);
    font-size: 0.7rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding: 4px 10px;
    border-radius: 50px;
    display: flex;
    align-items: center;
    gap: 5px;
    backdrop-filter: blur(4px);
}

.blog-card-archived {
    opacity: 0.75;
    border-color: rgba(245, 158, 11, 0.2);
}

.blog-card-archived:hover {
    opacity: 1;
    border-color: rgba(245, 158, 11, 0.45);
}

/* ---- Outdated section on listing ---- */

.blog-outdated-section {
    margin-top: var(--space-xl);
    padding-top: var(--space-lg);
    border-top: var(--border-width) solid var(--border-color);
}

.blog-outdated-toggle {
    display: flex;
    align-items: center;
    gap: 10px;
    background: var(--bg-card);
    border: var(--border-width) solid var(--border-color);
    border-radius: var(--border-radius-sm);
    color: var(--text-secondary);
    font-family: var(--font-body);
    font-size: 0.95rem;
    font-weight: 800;
    padding: 12px 20px;
    cursor: pointer;
    transition: var(--transition);
    width: 100%;
    text-align: left;
}

.blog-outdated-toggle:hover {
    color: var(--accent-warm);
    border-color: rgba(245, 158, 11, 0.4);
    background: rgba(245, 158, 11, 0.05);
}

.blog-outdated-toggle[aria-expanded="true"] .outdated-chevron {
    transform: rotate(180deg);
}

.outdated-chevron {
    margin-left: auto;
    transition: transform 0.3s ease;
}

.outdated-count {
    background: rgba(245, 158, 11, 0.15);
    color: var(--accent-warm);
    font-size: 0.75rem;
    font-weight: 900;
    padding: 2px 9px;
    border-radius: 50px;
}

.blog-outdated-grid {
    margin-top: var(--space-md);
}

.outdated-notice-listing {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    background: rgba(245, 158, 11, 0.08);
    border: var(--border-width) solid rgba(245, 158, 11, 0.25);
    border-radius: var(--border-radius-sm);
    color: var(--accent-warm);
    font-size: 0.9rem;
    font-weight: 600;
    padding: 14px 18px;
    margin-bottom: var(--space-md);
    line-height: 1.5;
}

.outdated-notice-listing i {
    flex-shrink: 0;
    margin-top: 2px;
}

.blog-grid-outdated {
    margin-top: 0;
}

/* ---- Post page ---- */

.blog-post-page {
    padding-bottom: var(--space-xl);
    background: var(--bg-primary);
}

/* Hero image */
.post-hero {
    position: relative;
    width: 100%;
    height: 420px;
    overflow: hidden;
    margin-bottom: 0;
}

.post-hero-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.post-hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to bottom, rgba(0,0,0,0.1) 0%, var(--bg-primary) 100%);
}

/* Container offset — more breathing room when hero is present */
.blog-post-page .section-container {
    padding-top: var(--space-md);
}

.blog-post-page:not(:has(.post-hero)) .section-container {
    padding-top: calc(var(--header-height) + var(--space-lg));
}

.back-link {
    display: inline-block;
    color: var(--text-secondary);
    font-weight: 700;
    font-size: 0.9rem;
    margin-bottom: var(--space-md);
    transition: var(--transition);
}

.back-link:hover {
    color: var(--primary);
}

/* ---- Post layout: main + sidebar ---- */

.post-layout {
    display: flex;
    gap: var(--space-lg);
    align-items: flex-start;
}

.post-main {
    flex: 1;
    min-width: 0;
}

/* ---- Post header ---- */

.post-header {
    margin-bottom: var(--space-md);
    padding-bottom: var(--space-md);
    border-bottom: var(--border-width) solid var(--border-color);
}

.post-title {
    font-size: 2.2rem;
    margin-bottom: var(--space-sm);
}

.post-meta {
    display: flex;
    gap: var(--space-sm);
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.post-date {
    color: var(--primary-light);
    font-weight: 800;
}

.post-tags {
    display: flex;
    gap: var(--space-xs);
    flex-wrap: wrap;
    margin-top: var(--space-sm);
}

.tag {
    font-size: 0.7rem;
    font-weight: 800;
    padding: 5px 14px;
    background: rgba(0, 134, 217, 0.12);
    border: var(--border-width) solid rgba(0, 134, 217, 0.2);
    border-radius: 50px;
    color: var(--primary-light);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* ---- Outdated banner on post page ---- */

.outdated-banner {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    background: rgba(245, 158, 11, 0.08);
    border: var(--border-width) solid rgba(245, 158, 11, 0.3);
    border-radius: var(--border-radius-sm);
    color: var(--accent-warm);
    font-size: 0.95rem;
    font-weight: 600;
    padding: 16px 20px;
    margin-bottom: var(--space-md);
    line-height: 1.6;
}

.outdated-banner i {
    flex-shrink: 0;
    font-size: 1.1rem;
    margin-top: 2px;
}

.outdated-banner-text strong {
    display: block;
    font-weight: 900;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 4px;
}

/* ---- Rendered markdown content ---- */

.post-content {
    font-size: 1.05rem;
    line-height: 1.8;
}

.post-content h1,
.post-content h2,
.post-content h3 {
    margin-top: var(--space-md);
    margin-bottom: var(--space-sm);
}

.post-content p {
    margin-bottom: var(--space-sm);
}

.post-content a {
    color: var(--primary);
    text-decoration: underline;
    text-underline-offset: 3px;
}

.post-content code {
    font-family: 'Courier New', monospace;
    background: var(--bg-card);
    padding: 3px 10px;
    font-size: 0.9em;
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.post-content pre {
    background: var(--bg-card);
    border: var(--border-width) solid var(--border-color);
    border-radius: var(--border-radius-sm);
    padding: var(--space-sm);
    overflow-x: auto;
    margin-bottom: var(--space-sm);
}

.post-content pre code {
    background: none;
    border: none;
    padding: 0;
}

.post-content ul,
.post-content ol {
    margin-bottom: var(--space-sm);
    padding-left: var(--space-md);
}

.post-content blockquote {
    border-left: 4px solid var(--primary);
    padding-left: var(--space-sm);
    margin: var(--space-sm) 0;
    color: var(--text-secondary);
    font-style: italic;
}

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

/* Image tag syntax: [image:path] */
.post-figure {
    margin: var(--space-md) 0;
    text-align: center;
}

.post-figure img {
    max-width: 100%;
    border-radius: var(--border-radius);
    border: var(--border-width) solid var(--border-color);
    box-shadow: var(--shadow-card);
}

/* ---- Sidebar ---- */

.post-sidebar {
    width: 300px;
    flex-shrink: 0;
    position: sticky;
    top: calc(var(--header-height) + 20px);
    max-height: calc(100vh - var(--header-height) - 40px);
    overflow-y: auto;
    scrollbar-width: thin;
    scrollbar-color: var(--border-color) transparent;
}

.sidebar-tabs {
    display: flex;
    gap: 4px;
    background: var(--bg-card);
    border: var(--border-width) solid var(--border-color);
    border-radius: var(--border-radius-sm);
    padding: 4px;
    margin-bottom: 12px;
}

.sidebar-tab {
    flex: 1;
    background: none;
    border: none;
    border-radius: calc(var(--border-radius-sm) - 4px);
    color: var(--text-secondary);
    font-family: var(--font-body);
    font-size: 0.8rem;
    font-weight: 800;
    padding: 8px;
    cursor: pointer;
    transition: var(--transition);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.sidebar-tab.active {
    background: var(--gradient-primary);
    color: #fff;
}

.sidebar-tab:not(.active):hover {
    color: var(--primary-light);
    background: rgba(50, 90, 211, 0.08);
}

.sidebar-panel {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.sidebar-panel.hidden {
    display: none;
}

.sidebar-post-card {
    display: flex;
    gap: 10px;
    align-items: flex-start;
    background: var(--bg-card);
    border: var(--border-width) solid var(--border-color);
    border-radius: var(--border-radius-sm);
    padding: 10px;
    color: var(--text-primary);
    text-decoration: none;
    transition: var(--transition);
}

.sidebar-post-card:hover {
    border-color: var(--border-color-hover);
    transform: translateX(4px);
    color: var(--text-primary);
}

.sidebar-post-thumb {
    width: 72px;
    height: 52px;
    flex-shrink: 0;
    border-radius: 10px;
    overflow: hidden;
    background: var(--bg-secondary);
    position: relative;
}

.sidebar-post-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.sidebar-post-placeholder {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(0, 134, 217, 0.1), rgba(144, 51, 140, 0.1));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    color: rgba(50, 90, 211, 0.3);
}

.sidebar-archived-badge {
    position: absolute;
    bottom: 3px;
    right: 3px;
    background: rgba(0,0,0,0.7);
    color: var(--accent-warm);
    font-size: 0.6rem;
    padding: 2px 5px;
    border-radius: 4px;
    line-height: 1;
}

.sidebar-post-info {
    flex: 1;
    min-width: 0;
}

.sidebar-post-date {
    display: block;
    font-size: 0.7rem;
    color: var(--primary-light);
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.4px;
    margin-bottom: 4px;
}

.sidebar-post-title {
    font-size: 0.85rem;
    font-weight: 700;
    line-height: 1.3;
    margin: 0;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.sidebar-empty {
    color: var(--text-secondary);
    font-size: 0.85rem;
    text-align: center;
    padding: var(--space-sm) 0;
}

/* ---- Responsive ---- */

@media (max-width: 960px) {
    .blog-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 900px) {
    .post-layout {
        flex-direction: column;
    }

    .post-sidebar {
        width: 100%;
        position: static;
        max-height: none;
        overflow-y: visible;
        border-top: var(--border-width) solid var(--border-color);
        padding-top: var(--space-md);
        margin-top: var(--space-md);
    }

    .post-hero {
        height: 260px;
    }
}

@media (max-width: 620px) {
    .blog-grid {
        grid-template-columns: 1fr;
    }

    .post-title {
        font-size: 1.7rem;
    }

    .post-hero {
        height: 200px;
    }
}