/*
 * Blog Article Styles
 * Dark mode compatible with CSS variables
 */

/* Sticky header with theme-aware background */
.site-header {
    position: sticky;
    top: 0;
    z-index: 80;
    background: var(--surface-header);
    backdrop-filter: blur(6px);
    box-shadow: var(--shadow);
    border-bottom: 1px solid var(--border-light);
}

/* Center article layout */
main.container {
    display: flex;
    justify-content: center;
    padding-left: 1rem;
    padding-right: 1rem;
}

.page.narrow {
    width: 100%;
    max-width: 1200px;
    margin: 2rem auto;
}

.page.narrow .page-header {
    text-align: center;
    margin-bottom: 2rem;
}

/* Article prose container - card style for readability */
.page.narrow .prose {
    max-width: 100%;
    margin: 0 auto;
    padding: 2rem;
    font-size: 18px;
    line-height: 1.8;
    font-family: Inter, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    color: var(--text-primary);
    background: var(--surface-card);
    border-radius: 12px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-light);
    text-rendering: optimizeLegibility;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Typography */
.page.narrow .prose h2,
.page.narrow .prose h3 {
    margin-top: 1.8rem;
    margin-bottom: 0.8rem;
    color: var(--text-primary);
}

.page.narrow .prose h2 {
    font-size: 1.5rem;
    font-weight: 700;
}

.page.narrow .prose h3 {
    font-size: 1.25rem;
    font-weight: 600;
}

.page.narrow .prose p,
.page.narrow .prose li {
    font-size: 1rem;
    color: var(--text-primary);
    margin: 1rem 0;
}

.page.narrow .prose strong {
    font-weight: 600;
    color: var(--text-primary);
}

.page.narrow .prose em {
    color: var(--text-secondary);
}

/* Code blocks */
.prose code {
    background: var(--code-bg);
    color: var(--text-primary);
    padding: 2px 6px;
    border-radius: 6px;
    font-size: 0.9em;
    font-family: 'Monaco', 'Menlo', 'Courier New', monospace;
    border: 1px solid var(--border-light);
}

.prose pre {
    background: var(--code-bg);
    color: var(--text-primary);
    padding: 1.5rem;
    border-radius: 8px;
    overflow-x: auto;
    border: 1px solid var(--border-light);
}

.prose pre code {
    background: transparent;
    border: none;
    padding: 0;
}

/* Tables */
.page.narrow .prose table {
    font-size: 0.95rem;
    width: 100%;
    border-collapse: collapse;
    margin: 1.5rem 0;
}

.page.narrow .prose th,
.page.narrow .prose td {
    padding: 0.75rem;
    border: 1px solid var(--border-light);
    text-align: left;
}

.page.narrow .prose th {
    background: var(--surface-elevated);
    font-weight: 600;
    color: var(--text-primary);
}

.page.narrow .prose td {
    background: var(--surface-card);
}

/* Images */
.page.narrow .prose img {
    max-width: 100%;
    height: auto;
    display: block;
    margin: 1.5rem 0;
    border-radius: 8px;
    border: 1px solid var(--border-light);
}

/* Lists */
.page.narrow .prose ul,
.page.narrow .prose ol {
    margin: 1rem 0;
    padding-left: 1.5rem;
}

.page.narrow .prose li {
    margin: 0.5rem 0;
}

/* Blockquotes */
.page.narrow .prose blockquote {
    border-left: 4px solid var(--accent);
    padding-left: 1.5rem;
    margin: 1.5rem 0;
    color: var(--text-secondary);
    font-style: italic;
    background: var(--surface-elevated);
    padding: 1rem 1rem 1rem 1.5rem;
    border-radius: 0 8px 8px 0;
}

/* Lead paragraph */
.page.narrow .prose .lead {
    font-size: 1.15rem;
    color: var(--text-secondary);
    margin: 1.5rem 0;
}

/* Example boxes */
.page.narrow .prose .example {
    background: var(--surface-elevated);
    padding: 1rem;
    border-radius: 8px;
    border-left: 4px solid var(--accent);
    margin: 1rem 0;
    font-size: 0.95rem;
    color: var(--text-secondary);
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .page.narrow .prose {
        font-size: 16px;
        padding: 1.5rem;
    }

    .page.narrow {
        margin: 1rem auto;
    }

    main.container {
        padding-left: 0.5rem;
        padding-right: 0.5rem;
    }
}

@media (max-width: 480px) {
    .page.narrow .prose {
        padding: 1rem;
        font-size: 15px;
    }

    main.container {
        padding-left: 0.25rem;
        padding-right: 0.25rem;
    }
}

/* Special blog-specific components */

/* Timeline/infographic containers */
.prose .infographic-container {
    background: var(--surface-elevated);
    padding: 1.5rem;
    border-radius: 12px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-light);
    margin: 2rem 0;
    overflow-x: auto;
}

.prose .timeline {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    position: relative;
    padding: 10px 0;
    margin-top: 0;
    gap: 12px;
    min-width: max-content;
}

.prose .timeline::before {
    content: '';
    position: absolute;
    width: 100%;
    height: 6px;
    background: linear-gradient(90deg, var(--accent), var(--accent-2));
    top: 88%;
    left: 0;
    transform: translateY(-50%);
    z-index: 1;
    border-radius: 4px;
}

.prose .stage {
    flex: 1;
    min-width: 180px;
    max-width: 220px;
    padding: 1rem;
    text-align: center;
    position: relative;
    z-index: 2;
    background: var(--surface-card);
    border-radius: 8px;
    margin: 0;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-light);
    min-height: 180px;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
}

.prose .stage-icon {
    font-size: 2.2rem;
    margin-bottom: 12px;
    color: var(--accent);
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.prose .stage h2 {
    color: var(--text-primary);
    font-size: 1.05rem;
    margin: 0.2rem 0;
}

.prose .stage p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    flex-grow: 1;
    margin: 0.4rem 0;
}

.prose .year {
    position: absolute;
    top: -18px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--accent);
    color: white;
    padding: 5px 10px;
    border-radius: 6px;
    font-weight: 700;
    font-size: 0.82rem;
}

@media (max-width: 1024px) {
    .prose .timeline {
        flex-direction: column;
        gap: 1.5rem;
        min-width: auto;
    }

    .prose .timeline::before {
        width: 4px;
        height: 100%;
        top: 0;
        left: 2rem;
        transform: none;
    }

    .prose .stage {
        width: 100%;
        max-width: 100%;
        min-width: auto;
        margin: 0;
        padding-left: 3.5rem;
        text-align: left;
    }

    .prose .stage .year {
        left: 0;
        transform: none;
    }
}