/* ============================================
   Flipping TAO - Custom Ghost Theme
   Minimalist black/white design with geometric accents
   ============================================ */

/* ============================================
   CSS Variables - Brand Colors & Typography
   ============================================ */
:root {
    /* Colors - Strict black/white palette */
    --color-black: #000000;
    --color-white: #FFFFFF;
    --color-gray-100: #F5F5F5;
    --color-gray-200: #E5E5E5;
    --color-gray-300: #D4D4D4;
    --color-gray-400: #A3A3A3;
    --color-gray-500: #737373;
    --color-gray-600: #525252;
    --color-gray-700: #404040;
    --color-gray-800: #262626;
    --color-gray-900: #171717;

    /* Typography */
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
    --font-mono: 'SF Mono', Monaco, 'Cascadia Code', 'Roboto Mono', Consolas, 'Courier New', monospace;

    /* Font sizes */
    --text-xs: 0.75rem;      /* 12px */
    --text-sm: 0.875rem;     /* 14px */
    --text-base: 1rem;       /* 16px */
    --text-lg: 1.125rem;     /* 18px */
    --text-xl: 1.25rem;      /* 20px */
    --text-2xl: 1.5rem;      /* 24px */
    --text-3xl: 1.875rem;    /* 30px */
    --text-4xl: 2.25rem;     /* 36px */
    --text-5xl: 3rem;        /* 48px */
    --text-6xl: 3.75rem;     /* 60px */

    /* Spacing */
    --space-1: 0.25rem;      /* 4px */
    --space-2: 0.5rem;       /* 8px */
    --space-3: 0.75rem;      /* 12px */
    --space-4: 1rem;         /* 16px */
    --space-6: 1.5rem;       /* 24px */
    --space-8: 2rem;         /* 32px */
    --space-12: 3rem;        /* 48px */
    --space-16: 4rem;        /* 64px */
    --space-24: 6rem;        /* 96px */

    /* Layout */
    --container-width: 1200px;
    --content-width: 720px;
    --border-radius: 0;      /* Sharp corners for geometric aesthetic */

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 350ms ease;
}

/* ============================================
   Reset & Base Styles
   ============================================ */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

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

body {
    font-family: var(--font-sans);
    font-size: var(--text-base);
    line-height: 1.6;
    color: var(--color-black);
    background-color: var(--color-white);
}

/* ============================================
   Typography
   ============================================ */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: var(--space-4);
    color: var(--color-black);
}

h1 { font-size: var(--text-5xl); }
h2 { font-size: var(--text-4xl); }
h3 { font-size: var(--text-3xl); }
h4 { font-size: var(--text-2xl); }
h5 { font-size: var(--text-xl); }
h6 { font-size: var(--text-lg); }

p {
    margin-bottom: var(--space-4);
}

a {
    color: var(--color-black);
    text-decoration: none;
    border-bottom: 1px solid var(--color-gray-300);
    transition: border-color var(--transition-fast);
}

a:hover {
    border-bottom-color: var(--color-black);
}

strong, b {
    font-weight: 600;
}

em, i {
    font-style: italic;
}

code {
    font-family: var(--font-mono);
    font-size: 0.9em;
    background-color: var(--color-gray-100);
    padding: 0.2em 0.4em;
    border-radius: 3px;
}

pre {
    font-family: var(--font-mono);
    font-size: var(--text-sm);
    background-color: var(--color-gray-100);
    padding: var(--space-4);
    overflow-x: auto;
    margin-bottom: var(--space-4);
    border-left: 3px solid var(--color-black);
}

pre code {
    background: none;
    padding: 0;
}

blockquote {
    border-left: 3px solid var(--color-black);
    padding-left: var(--space-4);
    margin: var(--space-6) 0;
    font-style: italic;
    color: var(--color-gray-700);
}

hr {
    border: none;
    border-top: 1px solid var(--color-gray-300);
    margin: var(--space-8) 0;
}

/* ============================================
   Layout Containers
   ============================================ */
.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 var(--space-6);
}

.site-wrapper {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.site-main {
    flex: 1;
}

/* ============================================
   Header
   ============================================ */
.site-header {
    position: relative;
    border-bottom: 1px solid var(--color-gray-300);
    background-color: var(--color-white);
}

.header-pattern {
    position: absolute;
    top: 0;
    right: 0;
    width: 200px;
    height: 100%;
    background-image: url('../images/pattern-grid.svg');
    background-size: 40px 40px;
    background-repeat: repeat;
    opacity: 0.05;
    pointer-events: none;
}

.header-content {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: var(--space-6);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-6);
}

.site-logo img {
    height: 40px;
    width: auto;
}

.site-title h1 {
    font-size: var(--text-2xl);
    font-weight: 700;
    margin: 0;
    letter-spacing: -0.02em;
}

.site-title a {
    border: none;
}

.site-nav {
    display: flex;
    gap: var(--space-6);
    align-items: center;
}

.site-nav a {
    font-size: var(--text-sm);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border: none;
    padding: var(--space-2) 0;
    transition: color var(--transition-fast);
}

.site-nav a:hover {
    color: var(--color-gray-600);
}

.header-right {
    display: flex;
    gap: var(--space-4);
}

.nav-subscribe {
    background-color: var(--color-black);
    color: var(--color-white) !important;
    padding: var(--space-2) var(--space-4) !important;
    border: none !important;
    font-weight: 500;
    transition: background-color var(--transition-fast);
}

.nav-subscribe:hover {
    background-color: var(--color-gray-800);
}

/* ============================================
   Homepage Hero
   ============================================ */
.home-hero {
    position: relative;
    padding: var(--space-24) 0;
    border-bottom: 1px solid var(--color-gray-300);
    background-color: var(--color-white);
}

.hero-pattern {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('../images/pattern-wave.svg');
    background-size: 80px 80px;
    background-repeat: repeat;
    opacity: 0.03;
    pointer-events: none;
}

.hero-content {
    position: relative;
    max-width: var(--content-width);
    margin: 0 auto;
    text-align: center;
    padding: 0 var(--space-6);
}

.hero-title {
    font-size: var(--text-6xl);
    font-weight: 700;
    margin-bottom: var(--space-4);
    letter-spacing: -0.03em;
}

.hero-description {
    font-size: var(--text-xl);
    color: var(--color-gray-700);
    max-width: 600px;
    margin: 0 auto;
}

/* ============================================
   Post Feed
   ============================================ */
.post-feed-wrapper {
    padding: var(--space-16) 0;
}

.post-feed {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: var(--space-8);
    margin-bottom: var(--space-8);
}

.post-card {
    display: flex;
    flex-direction: column;
    border: 1px solid var(--color-gray-300);
    transition: border-color var(--transition-base);
}

.post-card:hover {
    border-color: var(--color-black);
}

.post-card-image-link {
    display: block;
    border: none;
    overflow: hidden;
}

.post-card-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.post-card:hover .post-card-image {
    transform: scale(1.05);
}

.post-card-content {
    padding: var(--space-6);
    flex: 1;
    display: flex;
    flex-direction: column;
}

.post-card-header {
    margin-bottom: var(--space-3);
}

.post-card-tag {
    display: inline-block;
    font-size: var(--text-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-2);
    border: none;
    color: var(--color-gray-600);
}

.post-card-tag:hover {
    color: var(--color-black);
}

.post-card-title {
    font-size: var(--text-2xl);
    margin: 0;
    text-align: center !important;
    margin-left: auto !important;
    margin-right: auto !important;
}

.post-card-title a {
    border: none;
    transition: color var(--transition-fast);
}

.post-card-title a:hover {
    color: var(--color-gray-600);
}

.post-card-excerpt {
    flex: 1;
    color: var(--color-gray-700);
    margin-bottom: var(--space-4);
}

.post-card-meta {
    margin-top: auto;
}

.post-card-byline {
    display: flex;
    gap: var(--space-3);
    font-size: var(--text-sm);
    color: var(--color-gray-600);
}

.post-card-author a {
    border: none;
    color: var(--color-gray-600);
}

.post-card-author a:hover {
    color: var(--color-black);
}

.post-card-date {
    color: var(--color-gray-500);
}

/* ============================================
   Individual Post
   ============================================ */
.post-header {
    position: relative;
    padding: var(--space-16) 0 var(--space-8);
    border-bottom: 1px solid var(--color-gray-300);
}

.post-header-pattern {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('../images/pattern-duality.svg');
    background-size: 60px 60px;
    background-repeat: repeat;
    opacity: 0.03;
    pointer-events: none;
}

.post-tag {
    display: inline-block;
    font-size: var(--text-sm);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-4);
    border: none;
    color: var(--color-gray-600);
}

.post-tag:hover {
    color: var(--color-black);
}

.post-title {
    font-size: var(--text-5xl);
    font-weight: 700;
    margin-bottom: var(--space-4);
    letter-spacing: -0.03em;
    max-width: var(--content-width);
    text-align: center !important;
    margin-left: auto !important;
    margin-right: auto !important;
}

.post-excerpt {
    font-size: var(--text-xl);
    color: var(--color-gray-700);
    margin-bottom: var(--space-6);
    max-width: var(--content-width);
    text-align: center !important;
    margin-left: auto !important;
    margin-right: auto !important;
}

.post-meta {
    display: flex;
    gap: var(--space-4);
    align-items: center;
    font-size: var(--text-sm);
    color: var(--color-gray-600);
    max-width: var(--content-width);
    justify-content: center !important;
}

.post-meta-authors a {
    border: none;
    color: var(--color-gray-600);
    font-weight: 500;
}

.post-meta-authors a:hover {
    color: var(--color-black);
}

.post-meta-date,
.post-meta-length {
    color: var(--color-gray-500);
}

.post-feature-image {
    margin: var(--space-8) 0;
}

.post-feature-image img {
    width: 100%;
    height: auto;
}

.post-content {
    padding: var(--space-16) 0;
}

.post-content .container {
    max-width: var(--content-width);
}

.post-content h2 {
    margin-top: var(--space-12);
    margin-bottom: var(--space-4);
}

.post-content h3 {
    margin-top: var(--space-8);
    margin-bottom: var(--space-3);
}

.post-content img {
    max-width: 100%;
    height: auto;
    margin: var(--space-6) 0;
}

.post-content ul,
.post-content ol {
    margin-bottom: var(--space-4);
    padding-left: var(--space-6);
}

.post-content li {
    margin-bottom: var(--space-2);
}

.post-footer {
    padding: var(--space-8) 0;
    border-top: 1px solid var(--color-gray-300);
}

.post-tags {
    margin-bottom: var(--space-4);
    font-size: var(--text-sm);
}

.post-tags-label {
    font-weight: 600;
    margin-right: var(--space-2);
}

.post-tags a {
    border: none;
    color: var(--color-gray-600);
}

.post-tags a:hover {
    color: var(--color-black);
}

.post-share {
    font-size: var(--text-sm);
}

.post-share-label {
    font-weight: 600;
    margin-right: var(--space-2);
}

.post-share a {
    border: none;
    margin-right: var(--space-3);
}

/* ============================================
   Author Card
   ============================================ */
.author-card {
    padding: var(--space-12) 0;
    border-top: 1px solid var(--color-gray-300);
    background-color: var(--color-gray-100);
}

.author-card .container {
    display: flex;
    gap: var(--space-6);
    align-items: center;
    max-width: var(--content-width);
}

.author-image {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    object-fit: cover;
}

.author-info {
    flex: 1;
}

.author-name {
    font-size: var(--text-xl);
    margin-bottom: var(--space-2);
}

.author-bio {
    color: var(--color-gray-700);
    margin-bottom: var(--space-3);
}

.author-link {
    font-size: var(--text-sm);
    font-weight: 500;
    border: none;
}

/* ============================================
   Archive Pages
   ============================================ */
.archive-header {
    position: relative;
    padding: var(--space-16) 0 var(--space-8);
    border-bottom: 1px solid var(--color-gray-300);
    text-align: center;
}

.archive-header-pattern {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('../images/pattern-grid.svg');
    background-size: 50px 50px;
    background-repeat: repeat;
    opacity: 0.03;
    pointer-events: none;
}

.archive-title {
    font-size: var(--text-5xl);
    margin-bottom: var(--space-4);
}

.archive-description {
    font-size: var(--text-xl);
    color: var(--color-gray-700);
    max-width: 600px;
    margin: 0 auto var(--space-3);
}

.archive-count {
    font-size: var(--text-sm);
    color: var(--color-gray-600);
}

.author-header-image {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    margin: 0 auto var(--space-4);
    display: block;
}

.author-website {
    display: inline-block;
    margin-top: var(--space-2);
    font-size: var(--text-sm);
}

/* ============================================
   Pagination
   ============================================ */
.pagination {
    display: flex;
    justify-content: center;
    gap: var(--space-2);
    margin-top: var(--space-12);
}

.pagination a,
.pagination span {
    display: inline-block;
    padding: var(--space-2) var(--space-4);
    border: 1px solid var(--color-gray-300);
    font-size: var(--text-sm);
    font-weight: 500;
    transition: all var(--transition-fast);
}

.pagination a {
    border-bottom: 1px solid var(--color-gray-300);
}

.pagination a:hover {
    border-color: var(--color-black);
    background-color: var(--color-black);
    color: var(--color-white);
}

.pagination .page-number {
    color: var(--color-gray-600);
}

/* ============================================
   Footer
   ============================================ */
.site-footer {
    position: relative;
    margin-top: auto;
    padding: var(--space-12) 0 var(--space-6);
    border-top: 1px solid var(--color-gray-300);
    background-color: var(--color-white);
}

.footer-pattern {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('../images/pattern-wave.svg');
    background-size: 60px 60px;
    background-repeat: repeat;
    opacity: 0.03;
    pointer-events: none;
}

.footer-content {
    position: relative;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 var(--space-6);
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: var(--space-6);
    align-items: center;
    margin-bottom: var(--space-6);
}

.footer-tagline {
    font-size: var(--text-sm);
    color: var(--color-gray-600);
    margin: 0;
}

.footer-copyright {
    font-size: var(--text-sm);
    color: var(--color-gray-600);
    margin: 0;
    text-align: center;
}

.footer-nav {
    display: flex;
    gap: var(--space-4);
    justify-content: flex-end;
}

.footer-nav a {
    font-size: var(--text-sm);
    border: none;
    color: var(--color-gray-600);
}

.footer-nav a:hover {
    color: var(--color-black);
}

.footer-bottom {
    position: relative;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: var(--space-6) var(--space-6) 0;
    border-top: 1px solid var(--color-gray-300);
    text-align: center;
}

.footer-note {
    font-size: var(--text-xs);
    color: var(--color-gray-500);
    font-style: italic;
    margin: 0;
}

/* ============================================
   Responsive Design
   ============================================ */
@media (max-width: 1024px) {
    :root {
        --text-5xl: 2.5rem;
        --text-6xl: 3rem;
    }

    .post-feed {
        grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    }
}

@media (max-width: 768px) {
    :root {
        --text-4xl: 2rem;
        --text-5xl: 2.25rem;
        --text-6xl: 2.5rem;
    }

    .header-content {
        flex-wrap: wrap;
    }

    .site-nav {
        order: 3;
        width: 100%;
        justify-content: center;
        padding-top: var(--space-4);
        border-top: 1px solid var(--color-gray-300);
    }

    .post-feed {
        grid-template-columns: 1fr;
    }

    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .footer-nav {
        justify-content: center;
    }

    .author-card .container {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 480px) {
    :root {
        --space-6: 1rem;
        --space-8: 1.5rem;
        --space-12: 2rem;
        --space-16: 2.5rem;
    }

    .hero-title {
        font-size: var(--text-4xl);
    }

    .post-title {
        font-size: var(--text-3xl);
    }
}

/* ============================================
   Utility Classes
   ============================================ */
.no-posts {
    text-align: center;
    padding: var(--space-16) 0;
    color: var(--color-gray-600);
}

/* ============================================
   Print Styles
   ============================================ */
@media print {
    .site-header,
    .site-footer,
    .post-share,
    .author-card {
        display: none;
    }

    body {
        font-size: 12pt;
    }

    a {
        border: none;
        color: var(--color-black);
    }
}

/* ============================================
   Koenig Editor - Wide and Full Width Images
   ============================================ */
.kg-width-wide {
    position: relative;
    width: 85vw;
    min-width: 100%;
    margin: var(--space-8) auto;
    transform: translateX(calc(50% - 50vw));
}

.kg-width-full {
    position: relative;
    width: 100vw;
    margin: var(--space-8) auto;
    transform: translateX(calc(50% - 50vw));
}

.kg-width-wide img,
.kg-width-full img {
    width: 100%;
    height: auto;
}

/* Koenig card styles */
.kg-card {
    margin: var(--space-6) 0;
}

.kg-embed-card {
    margin: var(--space-6) 0;
}

.kg-image-card,
.kg-gallery-card {
    margin: var(--space-6) 0;
}

.kg-image-card img {
    width: 100%;
    height: auto;
}

.kg-image-card figcaption,
.kg-gallery-card figcaption {
    text-align: center;
    font-size: var(--text-sm);
    color: var(--color-gray-600);
    margin-top: var(--space-2);
    font-style: italic;
}

/* Koenig gallery */
.kg-gallery-container {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.kg-gallery-row {
    display: flex;
    gap: var(--space-2);
}

.kg-gallery-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* Koenig bookmark card */
.kg-bookmark-card {
    border: 1px solid var(--color-gray-300);
    margin: var(--space-6) 0;
}

.kg-bookmark-container {
    display: flex;
    text-decoration: none;
    color: inherit;
}

.kg-bookmark-content {
    flex: 1;
    padding: var(--space-4);
}

.kg-bookmark-title {
    font-weight: 600;
    margin-bottom: var(--space-2);
}

.kg-bookmark-description {
    font-size: var(--text-sm);
    color: var(--color-gray-600);
    margin-bottom: var(--space-2);
}

.kg-bookmark-metadata {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--text-xs);
    color: var(--color-gray-500);
}

.kg-bookmark-thumbnail {
    width: 200px;
    object-fit: cover;
}

@media (max-width: 768px) {
    .kg-width-wide,
    .kg-width-full {
        width: 100vw;
        transform: translateX(calc(50% - 50vw));
    }

    .kg-bookmark-container {
        flex-direction: column;
    }

    .kg-bookmark-thumbnail {
        width: 100%;
        height: 200px;
    }
}

/* Center article titles - Added by Agent Zero */
.post-card-title {
    text-align: center !important;
}



/* ============================================
SUBSCRIBE CTA SECTION
============================================ */

.subscribe-cta {
    background: var(--color-gray-100);
    border: 2px solid var(--color-black);
    border-radius: 8px;
    margin: var(--space-16) 0;
    padding: var(--space-12);
}

.subscribe-cta-content {
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
}

.subscribe-cta h3 {
    font-size: var(--text-3xl);
    font-weight: 700;
    margin-bottom: var(--space-4);
    color: var(--color-black);
}

.subscribe-cta p {
    font-size: var(--text-lg);
    color: var(--color-gray-600);
    margin-bottom: var(--space-6);
    line-height: 1.6;
}

.subscribe-cta-button {
    display: inline-block;
    background: var(--color-black);
    color: var(--color-white);
    padding: var(--space-4) var(--space-12);
    border-radius: 4px;
    text-decoration: none;
    font-weight: 600;
    font-size: var(--text-lg);
    transition: all 0.2s ease;
}

.subscribe-cta-button:hover {
    background: var(--color-gray-800);
    transform: translateY(-1px);
}

.subscribe-cta-note {
    font-size: var(--text-sm);
    color: var(--color-gray-500);
    margin-top: var(--space-4);
    margin-bottom: 0;
}

/* Subscribe button in header */
.nav-subscribe {
    background: var(--color-black);
    color: var(--color-white) !important;
    padding: var(--space-2) var(--space-6);
    border-radius: 4px;
    transition: all 0.2s ease;
}

.nav-subscribe:hover {
    background: var(--color-gray-800);
    transform: translateY(-1px);
}

/* Responsive */
@media (max-width: 768px) {
    .subscribe-cta {
        padding: var(--space-8) var(--space-4);
    }

    .subscribe-cta h3 {
        font-size: var(--text-2xl);
    }

    .subscribe-cta-button {
        padding: var(--space-3) var(--space-8);
        font-size: var(--text-base);
    }
}