/* ============================================================
   Clinical AI Insider Theme
   Anthropic-inspired design with warm, organic aesthetics
   v1.1 - Full-width section backgrounds
   ============================================================ */

/* ========== CSS VARIABLES ========== */
:root {
    /* Anthropic-inspired color palette */
    --color-bg: #FAF9F5;              /* Warm cream */
    --color-bg-alt: #F0EEE6;          /* Beige sections */
    --color-bg-card: #FFFFFF;         /* White cards */
    --color-text: #141413;            /* Near black */
    --color-text-secondary: #5C5C5A;  /* Muted text */
    --color-text-muted: #8A8A87;      /* Light text */
    --color-border: #E5E4DF;          /* Warm border */
    --color-border-dark: #D4D3CE;     /* Darker border */
    
    /* Accent - warm terracotta */
    --color-accent: #C45D3A;          /* Terracotta */
    --color-accent-hover: #A84D2E;    /* Darker terracotta */
    --color-accent-light: #FDF4F1;    /* Light terracotta bg */
    
    /* Category colors */
    --color-ohdsi: #7c3aed;
    --color-ohdsi-light: #f5f3ff;
    --color-nlp: #059669;
    --color-nlp-light: #ecfdf5;
    --color-data: #d97706;
    --color-data-light: #fffbeb;
    --color-python: #2563eb;
    --color-python-light: #eff6ff;
    --color-tutorial: #dc2626;
    --color-tutorial-light: #fef2f2;
    --color-fhir: #0891b2;
    --color-fhir-light: #ecfeff;

    /* Anthropic-style card accent backgrounds */
    --color-card-ohdsi: #CBCADB;      /* Lavender - like Anthropic Academy */
    --color-card-fhir: #BCD1CA;       /* Sage green - like Responsible Scaling */
    --color-card-data: #E3DACC;       /* Warm beige - like Core Views */
    --color-card-nlp: #C5D5D0;        /* Mint green */
    --color-card-python: #D0D5E3;     /* Soft blue-gray */
    --color-card-tutorial: #E3D0CC;   /* Warm rose */

    /* Status colors */
    --color-success: #10b981;
    --color-warning: #f59e0b;
    --color-error: #ef4444;

    /* Code styling - Anthropic-inspired */
    --color-code-text: #D97757;       /* Terracotta for inline code */
    --color-code-border: #D1CFC5;     /* Warm gray border */
    --color-code-block-bg: #F0EEE6;   /* Beige for code blocks */

    /* Chart/visualization palette */
    --color-chart-1: #D97757;         /* Terracotta/coral */
    --color-chart-2: #7c3aed;         /* Purple */
    --color-chart-3: #059669;         /* Green */
    --color-chart-4: #2563eb;         /* Blue */
    --color-chart-5: #d97706;         /* Amber */

    /* Typography */
    --font-serif: 'Source Serif 4', Georgia, serif;
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', 'Consolas', monospace;
    
    /* Sizing */
    --max-width: 720px;
    --max-width-wide: 1200px;
    --radius: 8px;
    --radius-lg: 12px;
    
    /* Spacing */
    --space-xs: 4px;
    --space-sm: 8px;
    --space-md: 16px;
    --space-lg: 24px;
    --space-xl: 32px;
    --space-2xl: 48px;
    --space-3xl: 64px;
}

/* ========== RESET & BASE ========== */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    font-size: 1rem;
    line-height: 1.75;
    color: var(--color-text);
    background: var(--color-bg);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

main {
    flex: 1;
}

/* ========== LAYOUT ========== */
.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

.main-home {
    /* Full-width container - sections handle their own backgrounds */
    width: 100%;
    max-width: none;
    margin: 0;
    padding: 0;
}

/* ========== HEADER ========== */
.site-header {
    border-bottom: 1px solid var(--color-border);
    padding: 20px 0;
    position: sticky;
    top: 0;
    background: var(--color-bg);
    z-index: 100;
}

.header-container {
    max-width: var(--max-width-wide);
    margin: 0 auto;
    padding: 0 var(--space-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.site-title {
    font-family: var(--font-serif);
    font-weight: 600;
    font-size: 1.25rem;
    color: var(--color-text);
    text-decoration: none;
    letter-spacing: -0.02em;
}

.site-title:hover {
    color: var(--color-accent);
}

.site-nav {
    display: flex;
    gap: var(--space-lg);
}

.site-nav a {
    color: var(--color-text-secondary);
    text-decoration: underline;
    text-decoration-color: transparent;
    text-decoration-thickness: 2px;
    text-underline-offset: 4px;
    font-size: 0.9rem;
    font-weight: 500;
    transition: text-decoration-color 0.2s ease, color 0.15s ease;
}

.site-nav a:hover,
.site-nav a.active {
    color: var(--color-text);
    text-decoration-color: currentColor;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--space-sm);
}

.nav-toggle span {
    width: 20px;
    height: 2px;
    background: var(--color-text);
    transition: all 0.2s ease;
}

/* ========== HERO ========== */
.hero {
    text-align: center;
    padding: 80px var(--space-lg) 100px;
    max-width: 900px;
    margin: 0 auto;
}

.hero h1 {
    font-family: var(--font-serif);
    font-size: 3rem;
    font-weight: 600;
    line-height: 1.1;
    letter-spacing: -0.03em;
    margin-bottom: var(--space-lg);
    color: var(--color-text);
}

.hero p {
    font-size: 1.25rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--space-xl);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.6;
}

.hero-buttons {
    display: flex;
    gap: var(--space-md);
    justify-content: center;
    flex-wrap: wrap;
}

/* ========== BUTTONS ========== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: 14px 28px;
    border-radius: var(--radius);
    font-size: 0.95rem;
    font-weight: 500;
    text-decoration: none;
    transition: all 0.2s ease;
    cursor: pointer;
}

.btn-primary {
    background: var(--color-text);
    color: var(--color-bg);
    border: 1px solid var(--color-text);
}

.btn-primary:hover {
    background: #2D2D2B;
}

.btn-secondary {
    background: transparent;
    color: var(--color-text);
    border: 1px solid var(--color-border-dark);
}

.btn-secondary:hover {
    background: var(--color-bg-alt);
    border-color: var(--color-text-secondary);
}

/* ========== SECTIONS ========== */
.section {
    padding: 14px 24px 24px 24px;
    background: var(--color-bg-alt);
    border-radius: var(--radius-lg);
    margin: 0 auto 32px auto;
    max-width: calc(100% - 48px);
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 28px;
    max-width: var(--max-width-wide);
    margin-left: auto;
    margin-right: auto;
    padding: 0 var(--space-lg);
}

.section-title {
    font-size: 0.75rem;
    font-weight: 400;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-text-muted);
    margin-bottom: 24px;
}

/* Remove bottom margin when section-title is inside section-header (for horizontal alignment) */
.section-header .section-title {
    margin-bottom: 0;
}

.section-icon {
    display: none;
}

.view-all {
    font-size: 0.75rem;
    color: var(--color-text-secondary);
    text-decoration: none;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-weight: 400;
}

.view-all:hover {
    color: var(--color-text);
}

/* Section header with pagination */
.section-header-right {
    display: flex;
    align-items: center;
    gap: 24px;
}

/* ========== PAGINATION ========== */
.pagination-inline {
    display: flex;
    align-items: center;
    gap: 4px;
}

.pagination-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 32px;
    height: 32px;
    padding: 0 8px;
    font-size: 0.8rem;
    font-weight: 500;
    text-decoration: none;
    color: var(--color-text-secondary);
    background: transparent;
    border: 1px solid transparent;
    border-radius: 6px;
    transition: all 0.15s ease;
}

.pagination-link:hover {
    color: var(--color-accent);
    background: var(--color-accent-light);
    border-color: var(--color-accent);
}

.pagination-current {
    color: white;
    background: var(--color-accent);
    border-color: var(--color-accent);
}

.pagination-current:hover {
    color: white;
    background: var(--color-accent-hover);
    border-color: var(--color-accent-hover);
}

.pagination-ellipsis {
    color: var(--color-text-muted);
    padding: 0 4px;
    font-size: 0.8rem;
}

@media (max-width: 768px) {
    .section-header-right {
        flex-direction: column;
        align-items: flex-end;
        gap: 12px;
    }

    .pagination-inline {
        gap: 2px;
    }

    .pagination-link {
        min-width: 28px;
        height: 28px;
        font-size: 0.75rem;
    }
}

/* ========== POST CARDS GRID ========== */
.posts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 24px;
}

.post-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 28px;
    display: flex;
    flex-direction: column;
    transition: all 0.2s ease;
}

.post-card:hover {
    border-color: var(--color-border-dark);
    box-shadow: 0 8px 30px rgba(20, 20, 19, 0.06);
    transform: translateY(-2px);
}

/* Anthropic-style full card background colors */
.post-card.card-ohdsi {
    background: var(--color-card-ohdsi);
    border-color: rgba(0, 0, 0, 0.08);
}

.post-card.card-fhir {
    background: var(--color-card-fhir);
    border-color: rgba(0, 0, 0, 0.08);
}

.post-card.card-data {
    background: var(--color-card-data);
    border-color: rgba(0, 0, 0, 0.08);
}

.post-card.card-nlp {
    background: var(--color-card-nlp);
    border-color: rgba(0, 0, 0, 0.08);
}

.post-card.card-python {
    background: var(--color-card-python);
    border-color: rgba(0, 0, 0, 0.08);
}

.post-card.card-tutorial {
    background: var(--color-card-tutorial);
    border-color: rgba(0, 0, 0, 0.08);
}

.post-card-header {
    flex: 1;
}

/* Category label */
.post-card-category {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-accent);
    margin-bottom: 12px;
}

/* Category color variants */
.post-card-category.tag-ohdsi-text {
    color: var(--color-ohdsi);
}
.post-card-category.tag-fhir-text {
    color: var(--color-fhir);
}
.post-card-category.tag-data-text {
    color: var(--color-data);
}
.post-card-category.tag-nlp-text {
    color: var(--color-nlp);
}
.post-card-category.tag-python-text {
    color: var(--color-python);
}
.post-card-category.tag-tutorial-text {
    color: var(--color-tutorial);
}

.post-card-title {
    font-family: var(--font-serif);
    font-size: 1.35rem;
    font-weight: 600;
    margin-bottom: 12px;
    line-height: 1.3;
    letter-spacing: -0.01em;
}

.post-card-title a {
    color: var(--color-text);
    text-decoration: none;
}

.post-card-title a:hover {
    color: var(--color-accent);
}

.post-card-excerpt {
    font-size: 0.95rem;
    color: var(--color-text-secondary);
    line-height: 1.6;
    margin-bottom: 20px;
}

.post-card-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.8rem;
    color: var(--color-text-muted);
    padding-top: 16px;
    margin-top: 16px;
    border-top: 1px solid rgba(0, 0, 0, 0.1);
}

.post-card-author {
    color: var(--color-text-secondary);
}

.post-card-stats {
    display: flex;
    gap: 16px;
}

/* Post card tags */
.post-card-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    padding-top: 16px;
    margin-top: 16px;
    border-top: 1px solid rgba(0, 0, 0, 0.1);
}

/* Base tag style */
.tag {
    display: inline-flex;
    align-items: center;
    padding: 4px 10px;
    border-radius: 4px;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    text-decoration: none;
    transition: all 0.15s ease;
    background: var(--color-bg-alt);
    color: var(--color-text-secondary);
    border: 1px solid var(--color-border);
}

.tag:hover {
    background: var(--color-bg-card);
    border-color: var(--color-border-dark);
}

/* OHDSI - Purple */
.tag-ohdsi {
    background: var(--color-ohdsi-light);
    color: var(--color-ohdsi);
    border-color: transparent;
}

.tag-ohdsi:hover {
    background: var(--color-ohdsi);
    color: white;
}

/* NLP - Green */
.tag-nlp {
    background: var(--color-nlp-light);
    color: var(--color-nlp);
    border-color: transparent;
}

.tag-nlp:hover {
    background: var(--color-nlp);
    color: white;
}

/* Data/OMOP - Amber */
.tag-data {
    background: var(--color-data-light);
    color: var(--color-data);
    border-color: transparent;
}

.tag-data:hover {
    background: var(--color-data);
    color: white;
}

/* Python - Blue */
.tag-python {
    background: var(--color-python-light);
    color: var(--color-python);
    border-color: transparent;
}

.tag-python:hover {
    background: var(--color-python);
    color: white;
}

/* Tutorial - Red */
.tag-tutorial {
    background: var(--color-tutorial-light);
    color: var(--color-tutorial);
    border-color: transparent;
}

.tag-tutorial:hover {
    background: var(--color-tutorial);
    color: white;
}

/* Read link style */
.read-link {
    color: var(--color-text-secondary);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.8rem;
    display: flex;
    align-items: center;
    gap: 4px;
}

.read-link:hover {
    color: var(--color-accent);
}

.action-btn {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 6px 12px;
    border: 1px solid var(--color-border);
    border-radius: 6px;
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--color-text-secondary);
    background: var(--color-bg-card);
    text-decoration: none;
    transition: all 0.15s ease;
}

.action-btn:hover {
    background: var(--color-bg-alt);
    color: var(--color-text);
}

/* ========== TAGS ========== */
.tag {
    display: inline-block;
    font-size: 0.7rem;
    font-weight: 500;
    padding: 4px 10px;
    border-radius: 20px;
    background: var(--color-bg-secondary);
    color: var(--color-text-secondary);
    text-decoration: none;
    border: 1px solid var(--color-border);
    transition: all 0.15s ease;
}

.tag:hover {
    background: var(--color-border);
    color: var(--color-text);
}

/* Colored tag variants */
.tag-ohdsi {
    background: var(--color-ohdsi-light);
    color: var(--color-ohdsi);
    border-color: transparent;
}
.tag-ohdsi:hover {
    background: #ddd6fe;
}

.tag-nlp {
    background: var(--color-nlp-light);
    color: var(--color-nlp);
    border-color: transparent;
}
.tag-nlp:hover {
    background: #a7f3d0;
}

.tag-data {
    background: var(--color-data-light);
    color: var(--color-data);
    border-color: transparent;
}
.tag-data:hover {
    background: #fde68a;
}

.tag-python {
    background: var(--color-python-light);
    color: var(--color-python);
    border-color: transparent;
}
.tag-python:hover {
    background: #bfdbfe;
}

.tag-tutorial {
    background: var(--color-tutorial-light);
    color: var(--color-tutorial);
    border-color: transparent;
}
.tag-tutorial:hover {
    background: #fecaca;
}

.tag-fhir {
    background: var(--color-fhir-light);
    color: var(--color-fhir);
    border-color: transparent;
}
.tag-fhir:hover {
    background: #a5f3fc;
}

.tag-more {
    background: transparent;
    color: var(--color-text-muted);
}

/* ========== FEATURES / TOPICS ========== */
.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-top: var(--space-2xl);
}

.feature-card {
    padding: 32px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    transition: all 0.2s ease;
    background: var(--color-bg);
}

.feature-card:hover {
    border-color: var(--color-accent);
    background: var(--color-bg-alt);
}

.feature-icon {
    font-size: 2rem;
    margin-bottom: 16px;
}

.feature-title {
    font-family: var(--font-serif);
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--space-sm);
}

.feature-desc {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    line-height: 1.5;
}

/* ========== LEARN MORE ========== */
.learn-more {
    padding: 80px var(--space-lg);
}

.learn-more h2 {
    font-family: var(--font-serif);
    font-size: 1.75rem;
    font-weight: 600;
    text-align: center;
    margin-bottom: 40px;
}

.learn-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
    max-width: 900px;
    margin: 0 auto;
}

.learn-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 28px;
    transition: all 0.2s ease;
}

.learn-card:hover {
    border-color: var(--color-border-dark);
}

.learn-card-title {
    font-family: var(--font-serif);
    font-weight: 600;
    font-size: 1.1rem;
    margin-bottom: var(--space-sm);
}

.learn-card p {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    line-height: 1.5;
}

.learn-card a {
    color: var(--color-accent);
    text-decoration: none;
}

.learn-card a:hover {
    text-decoration: underline;
}

/* ========== POST HEADER ========== */
.post-header,
.page-header {
    padding: 2.5rem 0 1.5rem;
    border-bottom: 1px solid var(--color-border);
    margin-bottom: 1.75rem;
}

.post-title,
.page-title {
    font-family: var(--font-serif);
    font-size: 3rem;
    font-weight: 700;
    line-height: 1.15;
    margin-bottom: 0.75rem;
    letter-spacing: -0.02em;
    text-align: center;
}

.page-description {
    color: var(--color-text-secondary);
    font-size: 1.1rem;
    text-align: center;
}

.post-meta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-md);
    align-items: center;
    justify-content: center;
    font-size: 0.9rem;
    color: var(--color-text-secondary);
}

.post-meta time {
    color: var(--color-text);
    font-weight: 500;
}

.meta-separator {
    color: var(--color-text-muted);
}

/* ========== POST CONTENT TYPOGRAPHY ========== */
.post-content,
.page-content {
    font-size: 1.05rem;
    line-height: 1.55;
}

/* Add breathing room before footer on pages */
.page-content {
    padding-bottom: 3rem;
    margin-bottom: 2rem;
}

.post-content h2,
.page-content h2 {
    font-family: var(--font-serif);
    font-size: 2rem;
    font-weight: 600;
    margin: 2rem 0 0.75rem;
    letter-spacing: -0.01em;
}

.post-content h3,
.page-content h3 {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    font-weight: 600;
    margin: 1.75rem 0 0.5rem;
}

.post-content h4,
.page-content h4 {
    font-family: var(--font-serif);
    font-size: 1.25rem;
    font-weight: 600;
    margin: 1.5rem 0 0.5rem;
}

.post-content p,
.page-content p {
    margin-bottom: 1rem;
}

.post-content a,
.page-content a {
    color: var(--color-accent);
    text-decoration: none;
}

.post-content a:hover,
.page-content a:hover {
    text-decoration: underline;
}

.post-content strong,
.page-content strong {
    font-weight: 600;
}

.post-content em,
.page-content em {
    font-style: italic;
}

.post-content ul,
.post-content ol,
.page-content ul,
.page-content ol {
    padding-left: 1.5rem;
    margin-bottom: 1rem;
}

.post-content li,
.page-content li {
    margin-bottom: 0.35rem;
}

.post-content li:last-child,
.page-content li:last-child {
    margin-bottom: 0;
}

.post-content hr,
.page-content hr {
    border: none;
    border-top: 1px solid var(--color-border);
    margin: 1.5rem 0;
}

.post-content blockquote,
.page-content blockquote {
    background: var(--color-bg-alt);
    border-left: 4px solid var(--color-accent);
    border-radius: 0 var(--radius) var(--radius) 0;
    padding: 1rem 1.25rem;
    margin: 1.25rem 0;
    color: var(--color-text-secondary);
    font-style: italic;
}

.post-content blockquote strong,
.page-content blockquote strong {
    color: var(--color-text);
    font-style: normal;
}

.post-content blockquote p:last-child,
.page-content blockquote p:last-child {
    margin-bottom: 0;
}

/* ========== CODE ========== */
.post-content code,
.page-content code {
    font-family: var(--font-mono);
    font-size: 0.875em;
    color: var(--color-code-text);
    background: var(--color-bg);
    padding: 2px 8px;
    border-radius: 4px;
    border: 1px solid var(--color-code-border);
    font-weight: 500;
}

.post-content pre,
.page-content pre {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    line-height: 1.5;
    background: var(--color-code-block-bg);
    border: none;
    border-radius: var(--radius-lg);
    padding: 1rem 1.25rem;
    overflow-x: auto;
    margin: 1.25rem 0;
    box-shadow: inset 0 1px 3px rgba(0,0,0,0.03);
}

.post-content pre code,
.page-content pre code {
    color: var(--color-text);
    background: transparent;
    padding: 0;
    border: none;
    font-size: inherit;
    font-weight: 400;
}

/* Syntax highlighting colors - Anthropic palette */
.highlight .k, .highlight .kd, .highlight .kn,
.highlight .kp, .highlight .kr, .highlight .kt { color: var(--color-chart-2); }  /* Keywords - purple */
.highlight .s, .highlight .s1, .highlight .s2,
.highlight .sb, .highlight .sc, .highlight .sd { color: var(--color-chart-3); }  /* Strings - green */
.highlight .na, .highlight .nb, .highlight .nc,
.highlight .nf, .highlight .nn { color: var(--color-chart-4); }                   /* Functions/names - blue */
.highlight .c, .highlight .c1, .highlight .cm,
.highlight .cp, .highlight .cs { color: var(--color-text-muted); font-style: italic; }  /* Comments */
.highlight .mi, .highlight .mf, .highlight .mh,
.highlight .mo { color: var(--color-chart-5); }                                    /* Numbers - amber */
.highlight .o, .highlight .ow { color: var(--color-code-text); }                   /* Operators - terracotta */
.highlight .p { color: var(--color-text-secondary); }                              /* Punctuation */

/* Rouge syntax highlighting (Jekyll default) */
.rouge .k, .rouge .kd { color: var(--color-chart-2); }
.rouge .s, .rouge .s1, .rouge .s2 { color: var(--color-chart-3); }
.rouge .n, .rouge .nf { color: var(--color-chart-4); }
.rouge .c, .rouge .c1 { color: var(--color-text-muted); font-style: italic; }
.rouge .mi, .rouge .mf { color: var(--color-chart-5); }

/* ========== IMAGES ========== */
.post-content img,
.page-content img {
    max-width: 100%;
    height: auto;
    border-radius: 16px; /* Anthropic-style rounded corners */
    margin: 1.25rem 0;
}

.image-container {
    margin: 1.5rem 0;
    border: none;
    border-radius: 16px; /* Anthropic-style rounded corners */
    overflow: hidden;
    background: transparent;
}

.image-container img {
    width: 100%;
    height: auto;
    display: block;
    margin: 0;
    border-radius: 16px; /* Anthropic-style rounded corners */
}

.image-caption {
    background: var(--color-bg-alt);
    padding: var(--space-md) var(--space-lg);
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    border-top: none;
    border-radius: 0 0 var(--radius-lg) var(--radius-lg);
    margin-top: -var(--radius-lg);
}

.image-wide {
    margin-left: -60px;
    margin-right: -60px;
    max-width: calc(100% + 120px);
}

/* ========== TABLES ========== */
.post-content table,
.page-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 1.25rem 0;
    font-size: 0.9rem;
}

.post-content th,
.post-content td,
.page-content th,
.page-content td {
    padding: var(--space-md);
    text-align: left;
    border-bottom: 1px solid var(--color-border);
}

.post-content th,
.page-content th {
    font-weight: 600;
    background: var(--color-bg-secondary);
}

.post-content tr:hover,
.page-content tr:hover {
    background: var(--color-bg-secondary);
}

/* ========== CALLOUTS ========== */
.callout {
    background: var(--color-bg-card);
    border: none;
    border-radius: var(--radius-lg);
    padding: 1rem 1.25rem;
    margin: 1.25rem 0;
    box-shadow: 0 2px 8px rgba(20, 20, 19, 0.04);
}

.callout-title {
    font-weight: 600;
    font-size: 0.95rem;
    margin-bottom: var(--space-md);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    color: var(--color-text);
}

.callout p:last-child {
    margin-bottom: 0;
}

.callout-info {
    border-left: 4px solid var(--color-accent);
    background: linear-gradient(to right, var(--color-accent-light), var(--color-bg-card));
}

.callout-warning {
    border-left: 4px solid var(--color-warning);
    background: linear-gradient(to right, #fffbeb, var(--color-bg-card));
}

.callout-error {
    border-left: 4px solid var(--color-error);
    background: linear-gradient(to right, #fef2f2, var(--color-bg-card));
}

.callout-success {
    border-left: 4px solid var(--color-success);
    background: linear-gradient(to right, #ecfdf5, var(--color-bg-card));
}

/* Callout icons */
.callout-info .callout-title::before { content: "💡"; }
.callout-warning .callout-title::before { content: "⚠️"; }
.callout-error .callout-title::before { content: "❌"; }
.callout-success .callout-title::before { content: "✅"; }

/* ========== STATS ========== */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: var(--space-md);
    margin: var(--space-lg) 0;
}

.stat-card {
    background: var(--color-bg-card);
    border: none;
    border-top: 3px solid var(--color-accent);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    text-align: center;
    box-shadow: 0 2px 8px rgba(20, 20, 19, 0.04);
}

.stat-card:nth-child(2) { border-top-color: var(--color-chart-2); }
.stat-card:nth-child(3) { border-top-color: var(--color-chart-3); }
.stat-card:nth-child(4) { border-top-color: var(--color-chart-4); }
.stat-card:nth-child(5) { border-top-color: var(--color-chart-5); }

.stat-value {
    font-size: 1.75rem;
    font-weight: 700;
    line-height: 1;
}

.stat-label {
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--color-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-top: var(--space-sm);
}

/* ========== DIAGRAMS & CHARTS ========== */
.diagram-container,
.chart-container,
.visualization {
    background: var(--color-bg-card);
    border: none;
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    margin: var(--space-xl) 0;
    overflow-x: auto;
    box-shadow: 0 2px 8px rgba(20, 20, 19, 0.04);
}

.diagram-container .mermaid {
    display: flex;
    justify-content: center;
}

/* Infographic highlight colors */
.highlight-terracotta { color: var(--color-chart-1); }
.highlight-purple { color: var(--color-chart-2); }
.highlight-green { color: var(--color-chart-3); }
.highlight-blue { color: var(--color-chart-4); }
.highlight-amber { color: var(--color-chart-5); }

/* Background variants */
.bg-terracotta { background-color: var(--color-chart-1); color: white; }
.bg-purple { background-color: var(--color-chart-2); color: white; }
.bg-green { background-color: var(--color-chart-3); color: white; }
.bg-blue { background-color: var(--color-chart-4); color: white; }
.bg-amber { background-color: var(--color-chart-5); color: white; }

/* ========== KEY POINTS ========== */
.key-points {
    background: var(--color-bg-card);
    border: none;
    border-left: 4px solid var(--color-accent);
    border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
    padding: var(--space-lg);
    margin: var(--space-xl) 0;
    box-shadow: 0 2px 8px rgba(20, 20, 19, 0.04);
}

.key-points h3 {
    margin-top: 0;
    margin-bottom: var(--space-md);
    font-size: 1rem;
    color: var(--color-accent);
}

.key-points ol,
.key-points ul {
    margin-bottom: 0;
}

.key-points li strong {
    color: var(--color-text);
}

/* ========== INTERACTIVE TABS ========== */
.content-tabs {
    display: flex;
    gap: var(--space-sm);
    margin-bottom: var(--space-lg);
    flex-wrap: wrap;
}

.tab-button {
    padding: 8px 16px;
    border: 1px solid var(--color-text);
    border-radius: 20px;
    background: transparent;
    color: var(--color-text);
    font-family: var(--font-sans);
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
}

.tab-button:hover {
    background: var(--color-bg-secondary);
}

.tab-button.active {
    background: var(--color-text);
    color: var(--color-bg);
    border-color: var(--color-text);
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

/* Pill badges */
.pill {
    display: inline-flex;
    align-items: center;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
}

.pill-terracotta { background: var(--color-chart-1); color: white; }
.pill-purple { background: var(--color-chart-2); color: white; }
.pill-green { background: var(--color-chart-3); color: white; }
.pill-blue { background: var(--color-chart-4); color: white; }
.pill-amber { background: var(--color-chart-5); color: white; }
.pill-outline {
    background: transparent;
    border: 1px solid currentColor;
    color: var(--color-text);
}

/* ========== RESOURCES ========== */
.resources {
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: var(--space-lg);
    margin: var(--space-xl) 0;
}

.resources h3 {
    margin-top: 0;
}

.resources-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-lg);
}

.resources h4 {
    font-size: 0.875rem;
    font-weight: 600;
    margin: 0 0 var(--space-md);
    color: var(--color-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.resources ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.resources li {
    margin-bottom: var(--space-sm);
}

/* ========== POST FOOTER ========== */
.post-footer {
    border-top: 1px solid var(--color-border);
    margin-top: var(--space-2xl);
    padding: var(--space-xl) 0;
    text-align: center;
    color: var(--color-text-secondary);
    font-size: 0.9rem;
}

.tags-list {
    margin-top: var(--space-md);
    font-size: 0.8rem;
    color: var(--color-text-muted);
}

.tags-list a {
    color: var(--color-text-secondary);
    text-decoration: none;
}

.tags-list a:hover {
    color: var(--color-accent);
}

.post-navigation {
    display: flex;
    justify-content: space-between;
    gap: var(--space-lg);
    margin-top: var(--space-xl);
    padding-top: var(--space-xl);
    border-top: 1px solid var(--color-border);
}

.post-navigation a {
    flex: 1;
    padding: var(--space-md);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    text-decoration: none;
    transition: all 0.15s ease;
}

.post-navigation a:hover {
    background: var(--color-bg-secondary);
}

.nav-prev {
    text-align: left;
}

.nav-next {
    text-align: right;
}

.nav-label {
    display: block;
    font-size: 0.75rem;
    color: var(--color-text-muted);
    margin-bottom: 4px;
}

.nav-title {
    display: block;
    font-weight: 500;
    color: var(--color-text);
}

/* ========== SITE FOOTER ========== */
.site-footer {
    border-top: none;
    padding: 60px var(--space-lg);
    background: #191918;
    color: #ffffff;
}

.footer-container {
    max-width: var(--max-width-wide);
    margin: 0 auto;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr repeat(3, 1fr);
    gap: 48px;
    margin-bottom: 48px;
}

.footer-brand {
    font-family: var(--font-serif);
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 16px;
    color: #ffffff;
}

.footer-tagline {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.5;
    max-width: 280px;
}

.footer-section h4 {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: rgba(255, 255, 255, 0.5);
    margin-bottom: var(--space-md);
}

.footer-section ul {
    list-style: none;
}

.footer-section li {
    margin-bottom: 10px;
}

.footer-section a {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: color 0.2s ease;
}

.footer-section a:hover {
    color: #ffffff;
}

.footer-bottom {
    padding-top: 32px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--space-md);
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.5);
}

/* ========== RESPONSIVE ========== */
@media (max-width: 840px) {
    .image-wide {
        margin-left: 0;
        margin-right: 0;
        max-width: 100%;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .site-nav {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--color-bg);
        border-bottom: 1px solid var(--color-border);
        flex-direction: column;
        padding: var(--space-md) var(--space-lg);
    }
    
    .site-nav.active {
        display: flex;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .hero h1 {
        font-size: 2.25rem;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
        justify-content: center;
    }
    
    .posts-grid {
        grid-template-columns: 1fr;
    }
    
    .post-title,
    .page-title {
        font-size: 1.75rem;
    }
    
    .post-content h2 {
        font-size: 1.35rem;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .stat-value {
        font-size: 1.5rem;
    }
    
    .post-navigation {
        flex-direction: column;
    }
    
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 32px;
    }
    
    .footer-brand,
    .footer-tagline {
        grid-column: span 2;
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 480px) {
    :root {
        --space-lg: 16px;
    }
    
    .hero {
        padding: var(--space-xl) var(--space-md);
    }
    
    .post-content pre {
        font-size: 0.8rem;
        padding: var(--space-md);
    }
}

/* ========== PRINT STYLES ========== */
@media print {
    .site-header,
    .site-footer,
    .post-navigation,
    .hero-buttons {
        display: none;
    }
    
    body {
        font-size: 12pt;
        line-height: 1.5;
    }
    
    .post-content a {
        color: inherit;
        text-decoration: underline;
    }
    
    .post-content a[href^="http"]::after {
        content: " (" attr(href) ")";
        font-size: 0.8em;
    }
}