/* ==========================================================================
   Holfoth Dark Premium — Ghost Theme Stylesheet
   Design System: Dark Premium (matching holfoth-it.de)
   ========================================================================== */

/* ==========================================================================
   1. CSS Custom Properties
   ========================================================================== */

:root {
    /* Color Tokens */
    --background:    #0A0A0B;
    --surface:       #141416;
    --surface-alt:   #1A1A1D;
    --border:        #27272A;
    --border-subtle: #1F1F22;
    --primary:       #E4E4E7;
    --secondary:     #A1A1AA;
    --muted:         #71717A;
    --accent:        #D4AF37;
    --accent-hover:  #B8960C;
    --accent-alt:    #22C55E;
    --accent-subtle: rgba(212, 175, 55, 0.08);
    --accent-subtle-hover: rgba(212, 175, 55, 0.15);

    /* Gradients */
    --gradient-accent: linear-gradient(135deg, #D4AF37, #B8960C);
    --gradient-surface: linear-gradient(180deg, #141416 0%, #0A0A0B 100%);
    --gradient-hero: linear-gradient(180deg, rgba(10,10,11,0) 0%, rgba(10,10,11,0.8) 100%);

    /* Typography */
    --font-sans:    'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-mono:    'JetBrains Mono', 'Fira Code', 'Cascadia Code', Consolas, monospace;

    /* Ghost custom font support */
    --gh-font-heading: var(--font-sans);
    --gh-font-body: var(--font-sans);

    /* Font Sizes — fluid scale */
    --text-xs:   clamp(0.75rem,  0.7rem  + 0.25vw, 0.875rem);
    --text-sm:   clamp(0.875rem, 0.8rem  + 0.375vw, 1rem);
    --text-base: clamp(1rem,     0.9rem  + 0.5vw,   1.125rem);
    --text-lg:   clamp(1.125rem, 1rem    + 0.625vw, 1.25rem);
    --text-xl:   clamp(1.25rem,  1.1rem  + 0.75vw,  1.5rem);
    --text-2xl:  clamp(1.5rem,   1.25rem + 1.25vw,  2rem);
    --text-3xl:  clamp(1.875rem, 1.5rem  + 1.875vw, 2.5rem);
    --text-4xl:  clamp(2.25rem,  1.75rem + 2.5vw,   3rem);
    --text-5xl:  clamp(3rem,     2.25rem + 3.75vw,  4rem);

    /* Font Weights */
    --weight-normal:   400;
    --weight-medium:   500;
    --weight-semibold: 600;
    --weight-bold:     700;

    /* Line Heights */
    --leading-tight:  1.2;
    --leading-snug:   1.35;
    --leading-normal: 1.6;
    --leading-relaxed: 1.75;

    /* Letter Spacing */
    --tracking-tight:  -0.02em;
    --tracking-normal:  0;
    --tracking-wide:    0.05em;
    --tracking-widest:  0.1em;

    /* Spacing (8px grid) */
    --space-1:  0.25rem;
    --space-2:  0.5rem;
    --space-3:  0.75rem;
    --space-4:  1rem;
    --space-5:  1.25rem;
    --space-6:  1.5rem;
    --space-8:  2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    --space-14: 3.5rem;
    --space-16: 4rem;
    --space-20: 5rem;
    --space-24: 6rem;
    --space-32: 8rem;

    /* Layout */
    --container-max:    1200px;
    --container-narrow: 720px;
    --nav-height:       64px;

    /* Borders */
    --radius-sm:  4px;
    --radius-md:  8px;
    --radius-lg:  12px;
    --radius-xl:  16px;
    --radius-2xl: 24px;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm:  0 1px 2px rgba(0, 0, 0, 0.4);
    --shadow-md:  0 4px 16px rgba(0, 0, 0, 0.5);
    --shadow-lg:  0 8px 32px rgba(0, 0, 0, 0.6);
    --shadow-xl:  0 16px 48px rgba(0, 0, 0, 0.7);
    --shadow-accent: 0 0 24px rgba(212, 175, 55, 0.2);

    /* Transitions */
    --transition-fast:   150ms ease;
    --transition-normal: 250ms ease;
    --transition-slow:   400ms ease;
}


/* ==========================================================================
   2. Reset & Base
   ========================================================================== */

*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
    text-size-adjust: 100%;
}

body {
    background-color: var(--background);
    color: var(--primary);
    font-family: var(--font-sans);
    font-size: var(--text-base);
    font-weight: var(--weight-normal);
    line-height: var(--leading-normal);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    min-height: 100vh;
}

img,
picture,
video,
canvas,
svg {
    display: block;
    max-width: 100%;
}

input,
button,
textarea,
select {
    font: inherit;
}

p,
h1,
h2,
h3,
h4,
h5,
h6 {
    overflow-wrap: break-word;
}

ul,
ol {
    list-style: none;
}

a {
    color: inherit;
    text-decoration: none;
}

button {
    cursor: pointer;
    border: none;
    background: none;
}


/* ==========================================================================
   3. Layout — Container & Site Wrapper
   ========================================================================== */

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

.site-main {
    flex: 1;
}

.container {
    width: 100%;
    max-width: var(--container-max);
    margin-inline: auto;
    padding-inline: var(--space-4);
}

@media (min-width: 640px) {
    .container {
        padding-inline: var(--space-6);
    }
}

@media (min-width: 1024px) {
    .container {
        padding-inline: var(--space-8);
    }
}

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


/* ==========================================================================
   4. Navigation
   ========================================================================== */

.site-nav {
    position: sticky;
    top: 0;
    z-index: 100;
    height: var(--nav-height);
    background-color: rgba(10, 10, 11, 0.92);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
}

.site-nav-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: var(--nav-height);
    gap: var(--space-4);
}

.site-nav-left {
    flex: 1;
    display: flex;
    align-items: center;
}

.site-nav-center {
    flex-shrink: 0;
}

.site-nav-right {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: flex-end;
}

/* Back to website link */
.site-nav-back {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    color: var(--secondary);
    font-size: var(--text-sm);
    font-weight: var(--weight-medium);
    letter-spacing: var(--tracking-wide);
    text-transform: uppercase;
    transition: color var(--transition-fast);
    white-space: nowrap;
}

.site-nav-back:hover,
.site-nav-back:focus-visible {
    color: var(--accent);
}

.site-nav-back svg {
    flex-shrink: 0;
    transition: transform var(--transition-fast);
}

.site-nav-back:hover svg,
.site-nav-back:focus-visible svg {
    transform: translateX(-3px);
}

/* Blog logo / title */
.site-nav-logo {
    font-size: var(--text-base);
    font-weight: var(--weight-bold);
    color: var(--primary);
    letter-spacing: var(--tracking-tight);
    transition: color var(--transition-fast);
}

.site-nav-logo:hover,
.site-nav-logo:focus-visible {
    color: var(--accent);
}

/* Ghost navigation items */
.site-nav-right .nav {
    display: flex;
    align-items: center;
    gap: var(--space-1);
}

.site-nav-right .nav li {
    list-style: none;
}

.site-nav-right .nav li a {
    display: inline-block;
    padding: var(--space-2) var(--space-3);
    color: var(--secondary);
    font-size: var(--text-sm);
    font-weight: var(--weight-medium);
    border-radius: var(--radius-md);
    transition: color var(--transition-fast), background-color var(--transition-fast);
}

.site-nav-right .nav li a:hover,
.site-nav-right .nav li a:focus-visible {
    color: var(--primary);
    background-color: var(--surface);
}

/* Hide nav text on very small screens, show logo only */
@media (max-width: 480px) {
    .site-nav-back span {
        display: none;
    }
}

@media (max-width: 640px) {
    .site-nav-right .nav {
        display: none;
    }
}


/* ==========================================================================
   5. Blog Index / Homepage
   ========================================================================== */

.blog-index-header {
    padding-block: var(--space-16) var(--space-12);
    border-bottom: 1px solid var(--border-subtle);
}

@media (min-width: 768px) {
    .blog-index-header {
        padding-block: var(--space-20) var(--space-14);
    }
}

.blog-index-title {
    font-size: var(--text-4xl);
    font-weight: var(--weight-bold);
    letter-spacing: var(--tracking-tight);
    line-height: var(--leading-tight);
    color: var(--primary);
    margin-bottom: var(--space-4);
}

.blog-index-description {
    font-size: var(--text-lg);
    color: var(--secondary);
    line-height: var(--leading-relaxed);
    max-width: 60ch;
}

.post-grid-section {
    padding-block: var(--space-12) var(--space-16);
}

@media (min-width: 768px) {
    .post-grid-section {
        padding-block: var(--space-14) var(--space-20);
    }
}


/* ==========================================================================
   6. Post Card Grid
   ========================================================================== */

.post-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-6);
}

@media (min-width: 640px) {
    .post-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-6);
    }
}

@media (min-width: 1024px) {
    .post-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--space-8);
    }
}


/* ==========================================================================
   7. Post Card
   ========================================================================== */

.post-card {
    position: relative;
    background-color: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    overflow: hidden;
    transition:
        border-color var(--transition-normal),
        transform var(--transition-normal),
        box-shadow var(--transition-normal);
}

.post-card:hover,
.post-card:focus-within {
    border-color: rgba(212, 175, 55, 0.4);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg), 0 0 0 1px rgba(212, 175, 55, 0.08);
}

.post-card-link {
    display: flex;
    flex-direction: column;
    height: 100%;
    outline: none;
}

.post-card-link:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
    border-radius: var(--radius-xl);
}

/* Featured image */
.post-card-image-wrapper {
    position: relative;
    width: 100%;
    aspect-ratio: 16 / 9;
    overflow: hidden;
    background-color: var(--surface-alt);
}

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

.post-card:hover .post-card-image {
    transform: scale(1.03);
}

/* Image placeholder when no featured image */
.post-card-image-placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--surface) 0%, var(--surface-alt) 100%);
}

.post-card-image-placeholder svg {
    color: var(--border);
}

/* Card content area */
.post-card-content {
    display: flex;
    flex-direction: column;
    flex: 1;
    padding: var(--space-5);
    gap: var(--space-3);
}

@media (min-width: 1024px) {
    .post-card-content {
        padding: var(--space-6);
    }
}

/* Tags on card */
.post-card-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
}

.post-card-tag {
    display: inline-block;
    padding: 2px var(--space-2);
    background-color: var(--accent-subtle);
    color: var(--accent);
    font-size: var(--text-xs);
    font-weight: var(--weight-medium);
    letter-spacing: var(--tracking-wide);
    text-transform: uppercase;
    border-radius: var(--radius-sm);
    border: 1px solid rgba(212, 175, 55, 0.15);
    transition: background-color var(--transition-fast);
}

.post-card:hover .post-card-tag {
    background-color: var(--accent-subtle-hover);
}

/* Card title */
.post-card-title {
    font-size: var(--text-lg);
    font-weight: var(--weight-semibold);
    color: var(--primary);
    line-height: var(--leading-snug);
    letter-spacing: var(--tracking-tight);
    transition: color var(--transition-fast);

    /* 3-line clamp */
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

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

/* Card excerpt */
.post-card-excerpt {
    color: var(--secondary);
    font-size: var(--text-sm);
    line-height: var(--leading-relaxed);
    flex: 1;

    /* 3-line clamp */
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* Card meta */
.post-card-meta {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    margin-top: auto;
    padding-top: var(--space-3);
    border-top: 1px solid var(--border-subtle);
    color: var(--muted);
    font-size: var(--text-xs);
}

.post-card-date,
.post-card-reading-time {
    display: inline-flex;
    align-items: center;
}

.post-card-meta-divider {
    color: var(--border);
}


/* ==========================================================================
   8. Archive Pages (Tag & Author)
   ========================================================================== */

.archive-header {
    padding-block: var(--space-14) var(--space-10);
    border-bottom: 1px solid var(--border-subtle);
}

@media (min-width: 768px) {
    .archive-header {
        padding-block: var(--space-16) var(--space-12);
    }
}

.archive-back-link {
    margin-bottom: var(--space-8);
}

.back-link {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    color: var(--secondary);
    font-size: var(--text-sm);
    font-weight: var(--weight-medium);
    transition: color var(--transition-fast);
}

.back-link:hover,
.back-link:focus-visible {
    color: var(--accent);
}

.back-link svg {
    flex-shrink: 0;
    transition: transform var(--transition-fast);
}

.back-link:hover svg,
.back-link:focus-visible svg {
    transform: translateX(-3px);
}

/* Tag badge */
.archive-tag-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    background: var(--gradient-accent);
    color: #0A0A0B;
    font-size: var(--text-xl);
    font-weight: var(--weight-bold);
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-4);
}

.archive-title {
    font-size: var(--text-3xl);
    font-weight: var(--weight-bold);
    letter-spacing: var(--tracking-tight);
    line-height: var(--leading-tight);
    color: var(--primary);
    margin-bottom: var(--space-3);
}

.archive-description {
    color: var(--secondary);
    font-size: var(--text-base);
    line-height: var(--leading-relaxed);
    max-width: 60ch;
    margin-bottom: var(--space-4);
}

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

/* Author archive specific */
.author-archive-profile {
    display: flex;
    align-items: flex-start;
    gap: var(--space-6);
    margin-bottom: var(--space-4);
}

.author-archive-avatar {
    width: 80px;
    height: 80px;
    border-radius: var(--radius-full);
    object-fit: cover;
    border: 2px solid var(--border);
    flex-shrink: 0;
}

.author-archive-avatar-placeholder {
    width: 80px;
    height: 80px;
    border-radius: var(--radius-full);
    background-color: var(--surface);
    border: 2px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--muted);
    flex-shrink: 0;
}

.author-archive-info {
    flex: 1;
}

.author-archive-bio {
    color: var(--secondary);
    font-size: var(--text-base);
    line-height: var(--leading-relaxed);
    margin-top: var(--space-2);
    margin-bottom: var(--space-3);
}

.author-archive-location,
.author-archive-website {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    color: var(--muted);
    font-size: var(--text-sm);
    margin-top: var(--space-2);
}

.author-archive-website {
    color: var(--accent);
    transition: color var(--transition-fast);
}

.author-archive-website:hover,
.author-archive-website:focus-visible {
    color: var(--accent-hover);
}

@media (max-width: 480px) {
    .author-archive-profile {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }

    .author-archive-location,
    .author-archive-website {
        justify-content: center;
    }
}


/* ==========================================================================
   9. Single Post Article
   ========================================================================== */

.post-article {
    padding-bottom: var(--space-20);
}

/* Back link above article */
.post-back-link {
    padding-block: var(--space-6);
    border-bottom: 1px solid var(--border-subtle);
}

/* Post header */
.post-header {
    padding-block: var(--space-12) var(--space-10);
}

@media (min-width: 768px) {
    .post-header {
        padding-block: var(--space-16) var(--space-12);
    }
}

.post-header-inner {
    max-width: var(--container-narrow);
    margin-inline: auto;
}

/* Tags above title */
.post-tags--header {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
    margin-bottom: var(--space-5);
}

/* Post title */
.post-title {
    font-size: var(--text-4xl);
    font-weight: var(--weight-bold);
    letter-spacing: var(--tracking-tight);
    line-height: var(--leading-tight);
    color: var(--primary);
    margin-bottom: var(--space-6);
}

@media (min-width: 768px) {
    .post-title {
        font-size: var(--text-5xl);
    }
}

/* Custom excerpt / subtitle */
.post-excerpt {
    font-size: var(--text-xl);
    color: var(--secondary);
    line-height: var(--leading-relaxed);
    margin-bottom: var(--space-6);
    font-weight: var(--weight-normal);
}

/* Post meta (date, reading time, author) */
.post-meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--space-3);
    color: var(--muted);
    font-size: var(--text-sm);
}

.post-meta-date,
.post-meta-reading-time,
.post-meta-author {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
}

.post-meta-divider {
    color: var(--border);
}

/* Featured image */
.post-feature-image {
    margin-bottom: var(--space-10);
}

.post-feature-image-figure {
    position: relative;
    border-radius: var(--radius-xl);
    overflow: hidden;
    border: 1px solid var(--border);
    max-width: var(--container-narrow);
    margin-inline: auto;
}

.post-feature-image-figure img {
    width: 100%;
    aspect-ratio: 16 / 9;
    object-fit: cover;
}

.post-feature-image-figure figcaption {
    padding: var(--space-3) var(--space-4);
    background-color: var(--surface);
    color: var(--muted);
    font-size: var(--text-xs);
    text-align: center;
    border-top: 1px solid var(--border);
}


/* ==========================================================================
   10. Post Content Typography (gh-content)
   ========================================================================== */

.post-content-wrapper {
    padding-bottom: var(--space-12);
}

.gh-content {
    max-width: var(--container-narrow);
    margin-inline: auto;
    font-size: var(--text-base);
    line-height: var(--leading-relaxed);
    color: var(--primary);
}

/* Headings */
.gh-content h1,
.gh-content h2,
.gh-content h3,
.gh-content h4,
.gh-content h5,
.gh-content h6 {
    font-weight: var(--weight-bold);
    letter-spacing: var(--tracking-tight);
    line-height: var(--leading-snug);
    color: var(--primary);
    margin-top: var(--space-10);
    margin-bottom: var(--space-4);
}

.gh-content h1 { font-size: var(--text-4xl); }
.gh-content h2 { font-size: var(--text-3xl); }
.gh-content h3 { font-size: var(--text-2xl); }
.gh-content h4 { font-size: var(--text-xl); }
.gh-content h5 { font-size: var(--text-lg); }
.gh-content h6 { font-size: var(--text-base); font-weight: var(--weight-semibold); }

/* First element spacing */
.gh-content > *:first-child {
    margin-top: 0;
}

/* Paragraphs */
.gh-content p {
    margin-bottom: var(--space-6);
    color: var(--primary);
}

/* Links */
.gh-content a {
    color: var(--accent);
    text-decoration: underline;
    text-decoration-color: rgba(212, 175, 55, 0.4);
    text-underline-offset: 3px;
    transition: color var(--transition-fast), text-decoration-color var(--transition-fast);
}

.gh-content a:hover,
.gh-content a:focus-visible {
    color: var(--accent-hover);
    text-decoration-color: var(--accent-hover);
}

/* Lists */
.gh-content ul,
.gh-content ol {
    margin-bottom: var(--space-6);
    padding-left: var(--space-6);
}

.gh-content ul {
    list-style: none;
}

.gh-content ul li {
    position: relative;
    padding-left: var(--space-4);
    margin-bottom: var(--space-2);
}

.gh-content ul li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.7em;
    width: 6px;
    height: 6px;
    background: var(--accent);
    border-radius: var(--radius-full);
    transform: translateY(-50%);
}

.gh-content ol {
    list-style: decimal;
    counter-reset: list-counter;
}

.gh-content ol li {
    margin-bottom: var(--space-2);
    padding-left: var(--space-2);
    color: var(--primary);
}

.gh-content ol li::marker {
    color: var(--accent);
    font-weight: var(--weight-semibold);
}

/* Nested lists */
.gh-content ul ul,
.gh-content ol ol,
.gh-content ul ol,
.gh-content ol ul {
    margin-top: var(--space-2);
    margin-bottom: var(--space-2);
}

/* Blockquote */
.gh-content blockquote {
    position: relative;
    padding: var(--space-5) var(--space-6);
    margin-block: var(--space-8);
    background-color: var(--surface);
    border-left: 3px solid var(--accent);
    border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
    color: var(--secondary);
    font-size: var(--text-lg);
    font-style: italic;
    line-height: var(--leading-relaxed);
}

.gh-content blockquote p {
    margin-bottom: 0;
    color: var(--secondary);
}

.gh-content blockquote::before {
    content: '"';
    position: absolute;
    top: -0.1em;
    left: var(--space-5);
    font-size: 4rem;
    color: var(--accent);
    opacity: 0.3;
    font-family: Georgia, serif;
    line-height: 1;
    pointer-events: none;
}

/* Horizontal rule */
.gh-content hr {
    border: none;
    border-top: 1px solid var(--border);
    margin-block: var(--space-10);
}

/* Strong / Em */
.gh-content strong {
    font-weight: var(--weight-semibold);
    color: var(--primary);
}

.gh-content em {
    font-style: italic;
    color: var(--secondary);
}

/* Inline code */
.gh-content code:not(pre code) {
    font-family: var(--font-mono);
    font-size: 0.875em;
    color: var(--accent);
    background-color: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 0.15em 0.4em;
}

/* Code blocks */
.gh-content pre,
.gh-content .kg-code-card pre {
    font-family: var(--font-mono);
    font-size: var(--text-sm);
    background-color: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: var(--space-5) var(--space-6);
    overflow-x: auto;
    margin-block: var(--space-8);
    line-height: 1.65;
    -webkit-overflow-scrolling: touch;
}

.gh-content pre code {
    font-family: var(--font-mono);
    font-size: inherit;
    color: var(--primary);
    background: none;
    border: none;
    padding: 0;
    border-radius: 0;
}

/* Scrollbar styling for code blocks */
.gh-content pre::-webkit-scrollbar {
    height: 6px;
}

.gh-content pre::-webkit-scrollbar-track {
    background: var(--surface);
}

.gh-content pre::-webkit-scrollbar-thumb {
    background-color: var(--border);
    border-radius: var(--radius-full);
}

.gh-content pre::-webkit-scrollbar-thumb:hover {
    background-color: var(--secondary);
}

/* Tables */
.gh-content table {
    width: 100%;
    border-collapse: collapse;
    margin-block: var(--space-8);
    font-size: var(--text-sm);
    overflow-x: auto;
    display: block;
}

.gh-content thead {
    border-bottom: 2px solid var(--border);
}

.gh-content th {
    padding: var(--space-3) var(--space-4);
    text-align: left;
    font-weight: var(--weight-semibold);
    color: var(--primary);
    background-color: var(--surface);
    white-space: nowrap;
}

.gh-content td {
    padding: var(--space-3) var(--space-4);
    border-bottom: 1px solid var(--border-subtle);
    color: var(--secondary);
}

.gh-content tr:last-child td {
    border-bottom: none;
}

.gh-content tr:hover td {
    background-color: rgba(20, 20, 22, 0.5);
}

/* Mark / highlight */
.gh-content mark {
    background-color: rgba(212, 175, 55, 0.2);
    color: var(--accent);
    border-radius: 2px;
    padding: 0 2px;
}


/* ==========================================================================
   11. Ghost Koenig Editor Cards
   ========================================================================== */

/* Base card styles */
.gh-content .kg-card {
    margin-block: var(--space-8);
}

/* Image card */
.gh-content .kg-image-card {
    width: 100%;
}

.gh-content .kg-image-card img,
.gh-content .kg-image {
    width: 100%;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
}

.gh-content .kg-image-card figcaption {
    margin-top: var(--space-3);
    text-align: center;
    color: var(--muted);
    font-size: var(--text-xs);
    font-style: italic;
}

/* Wide image */
.gh-content .kg-width-wide {
    width: min(100vw - 2 * var(--space-4), calc(var(--container-narrow) + 300px));
    margin-inline: calc(50% - min((100vw - 2 * var(--space-4)) / 2, (var(--container-narrow) + 300px) / 2));
}

/* Full bleed image */
.gh-content .kg-width-full {
    width: 100vw;
    margin-inline: calc(50% - 50vw);
    border-radius: 0;
}

.gh-content .kg-width-full img {
    border-radius: 0;
    border-left: none;
    border-right: none;
}

/* Gallery card */
.gh-content .kg-gallery-card {
    margin-block: var(--space-8);
}

.gh-content .kg-gallery-container {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

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

.gh-content .kg-gallery-image {
    flex: 1;
    overflow: hidden;
    border-radius: var(--radius-md);
    border: 1px solid var(--border);
}

.gh-content .kg-gallery-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: inherit;
    border: none;
    display: block;
}

/* Bookmark card */
.gh-content .kg-bookmark-card {
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    background-color: var(--surface);
    transition: border-color var(--transition-normal), box-shadow var(--transition-normal);
}

.gh-content .kg-bookmark-card:hover {
    border-color: rgba(212, 175, 55, 0.4);
    box-shadow: var(--shadow-md);
}

.gh-content .kg-bookmark-container {
    display: flex;
    color: var(--primary);
    text-decoration: none;
    min-height: 100px;
}

.gh-content .kg-bookmark-content {
    flex: 1;
    padding: var(--space-5);
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.gh-content .kg-bookmark-title {
    font-weight: var(--weight-semibold);
    font-size: var(--text-sm);
    color: var(--primary);
    line-height: var(--leading-snug);
}

.gh-content .kg-bookmark-description {
    font-size: var(--text-xs);
    color: var(--secondary);
    line-height: var(--leading-relaxed);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.gh-content .kg-bookmark-metadata {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    margin-top: auto;
}

.gh-content .kg-bookmark-icon {
    width: 16px;
    height: 16px;
}

.gh-content .kg-bookmark-author,
.gh-content .kg-bookmark-publisher {
    font-size: var(--text-xs);
    color: var(--muted);
}

.gh-content .kg-bookmark-thumbnail {
    width: 160px;
    flex-shrink: 0;
    overflow: hidden;
}

.gh-content .kg-bookmark-thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 0;
    border: none;
}

@media (max-width: 480px) {
    .gh-content .kg-bookmark-thumbnail {
        display: none;
    }
}

/* Code card */
.gh-content .kg-code-card {
    margin-block: var(--space-8);
}

.gh-content .kg-code-card pre {
    margin-block: 0;
}

/* Embed / Video card */
.gh-content .kg-embed-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.gh-content .kg-embed-card iframe,
.gh-content .kg-embed-card video {
    width: 100%;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
}

/* Video card with aspect ratio */
.gh-content .kg-video-card {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--border);
}

/* Toggle / Accordion card */
.gh-content .kg-toggle-card {
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    background-color: var(--surface);
    overflow: hidden;
    margin-block: var(--space-6);
}

.gh-content .kg-toggle-card summary {
    padding: var(--space-4) var(--space-5);
    font-weight: var(--weight-semibold);
    cursor: pointer;
    list-style: none;
    display: flex;
    align-items: center;
    justify-content: space-between;
    color: var(--primary);
    transition: background-color var(--transition-fast);
    user-select: none;
}

.gh-content .kg-toggle-card summary:hover {
    background-color: var(--surface-alt);
}

.gh-content .kg-toggle-card summary::marker,
.gh-content .kg-toggle-card summary::-webkit-details-marker {
    display: none;
}

.gh-content .kg-toggle-card .kg-toggle-content {
    padding: var(--space-4) var(--space-5) var(--space-5);
    border-top: 1px solid var(--border);
}

.gh-content .kg-toggle-card .kg-toggle-content p:last-child {
    margin-bottom: 0;
}

/* Callout card */
.gh-content .kg-callout-card {
    display: flex;
    gap: var(--space-4);
    padding: var(--space-5) var(--space-6);
    border-radius: var(--radius-lg);
    background-color: var(--surface);
    border: 1px solid var(--border);
    margin-block: var(--space-6);
}

.gh-content .kg-callout-emoji {
    font-size: var(--text-xl);
    flex-shrink: 0;
    line-height: 1.4;
}

.gh-content .kg-callout-text {
    color: var(--secondary);
    line-height: var(--leading-relaxed);
}

.gh-content .kg-callout-text p:last-child {
    margin-bottom: 0;
}

/* Header card */
.gh-content .kg-header-card {
    padding: var(--space-12) var(--space-8);
    text-align: center;
    border-radius: var(--radius-xl);
    background-color: var(--surface);
    border: 1px solid var(--border);
    margin-block: var(--space-8);
}

.gh-content .kg-header-card h2 {
    font-size: var(--text-3xl);
    margin-top: 0;
}

.gh-content .kg-header-card p {
    color: var(--secondary);
}

.gh-content .kg-header-card .kg-btn {
    display: inline-block;
    padding: var(--space-3) var(--space-6);
    background: var(--gradient-accent);
    color: #0A0A0B;
    font-weight: var(--weight-semibold);
    border-radius: var(--radius-md);
    transition: opacity var(--transition-fast);
    text-decoration: none;
}

.gh-content .kg-header-card .kg-btn:hover {
    opacity: 0.9;
}

/* Product card */
.gh-content .kg-product-card {
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    background-color: var(--surface);
    padding: var(--space-6);
    margin-block: var(--space-8);
}

.gh-content .kg-product-card img {
    border-radius: var(--radius-md);
    margin-bottom: var(--space-4);
}

.gh-content .kg-product-card-title {
    font-size: var(--text-xl);
    font-weight: var(--weight-bold);
    color: var(--primary);
    margin-bottom: var(--space-2);
}

.gh-content .kg-product-card-description {
    color: var(--secondary);
}

/* File attachment card */
.gh-content .kg-file-card {
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    background-color: var(--surface);
    padding: var(--space-4) var(--space-5);
    display: flex;
    align-items: center;
    gap: var(--space-4);
    margin-block: var(--space-6);
    transition: border-color var(--transition-normal);
}

.gh-content .kg-file-card:hover {
    border-color: rgba(212, 175, 55, 0.4);
}

.gh-content .kg-file-card-contents {
    flex: 1;
    min-width: 0;
}

.gh-content .kg-file-card-title {
    font-weight: var(--weight-semibold);
    color: var(--primary);
    font-size: var(--text-sm);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.gh-content .kg-file-card-caption {
    color: var(--muted);
    font-size: var(--text-xs);
}

.gh-content .kg-file-card-metadata {
    color: var(--muted);
    font-size: var(--text-xs);
    margin-top: var(--space-1);
}

/* Button card */
.gh-content .kg-button-card {
    text-align: center;
    margin-block: var(--space-8);
}

.gh-content .kg-button-card a {
    display: inline-block;
    padding: var(--space-3) var(--space-8);
    background: var(--gradient-accent);
    color: #0A0A0B;
    font-weight: var(--weight-semibold);
    border-radius: var(--radius-full);
    text-decoration: none;
    font-size: var(--text-sm);
    letter-spacing: 0.02em;
    transition: opacity var(--transition-fast), transform var(--transition-fast);
}

.gh-content .kg-button-card a:hover {
    opacity: 0.9;
    transform: translateY(-1px);
}

/* Divider / separator card */
.gh-content .kg-divider-card {
    border: none;
    border-top: 1px solid var(--border);
    margin-block: var(--space-10);
}


/* ==========================================================================
   12. Post Footer (Tags, Share, Author Bio)
   ========================================================================== */

.post-footer {
    border-top: 1px solid var(--border);
    padding-top: var(--space-10);
}

.post-footer > .container > * + * {
    margin-top: var(--space-8);
    padding-top: var(--space-8);
    border-top: 1px solid var(--border-subtle);
}

/* Tags section */
.post-tags-section {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--space-3);
}

.post-tags-label {
    color: var(--muted);
    font-size: var(--text-sm);
    font-weight: var(--weight-medium);
}

.post-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
}

.post-tag {
    display: inline-block;
    padding: var(--space-1) var(--space-3);
    background-color: var(--surface);
    color: var(--secondary);
    font-size: var(--text-sm);
    border: 1px solid var(--border);
    border-radius: var(--radius-full);
    transition:
        color var(--transition-fast),
        border-color var(--transition-fast),
        background-color var(--transition-fast);
}

.post-tag:hover,
.post-tag:focus-visible {
    color: var(--accent);
    border-color: rgba(212, 175, 55, 0.4);
    background-color: var(--accent-subtle);
}

/* Share section */
.post-share {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--space-4);
}

.post-share-label {
    color: var(--muted);
    font-size: var(--text-sm);
    font-weight: var(--weight-medium);
}

.post-share-actions {
    display: flex;
    gap: var(--space-3);
}

/* Author bio */
.author-bio-box {
    display: flex;
    gap: var(--space-5);
    padding: var(--space-6);
    background-color: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
}

.author-bio-avatar {
    width: 64px;
    height: 64px;
    border-radius: var(--radius-full);
    object-fit: cover;
    border: 2px solid var(--border);
    flex-shrink: 0;
}

.author-bio-content {
    flex: 1;
}

.author-bio-name {
    font-weight: var(--weight-semibold);
    color: var(--primary);
    margin-bottom: var(--space-2);
}

.author-bio-name a {
    color: inherit;
    transition: color var(--transition-fast);
}

.author-bio-name a:hover,
.author-bio-name a:focus-visible {
    color: var(--accent);
}

.author-bio-text {
    color: var(--secondary);
    font-size: var(--text-sm);
    line-height: var(--leading-relaxed);
    margin-bottom: var(--space-3);
}

.author-bio-link {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    color: var(--accent);
    font-size: var(--text-sm);
    font-weight: var(--weight-medium);
    text-decoration: underline;
    text-decoration-color: rgba(212, 175, 55, 0.4);
    text-underline-offset: 2px;
    transition: color var(--transition-fast), text-decoration-color var(--transition-fast);
}

.author-bio-link:hover,
.author-bio-link:focus-visible {
    color: var(--accent-hover);
    text-decoration-color: var(--accent-hover);
}

@media (max-width: 480px) {
    .author-bio-box {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }
}


/* ==========================================================================
   13. Buttons
   ========================================================================== */

.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-4);
    font-size: var(--text-sm);
    font-weight: var(--weight-medium);
    border-radius: var(--radius-md);
    border: 1px solid var(--border);
    background-color: var(--surface);
    color: var(--secondary);
    transition:
        color var(--transition-fast),
        border-color var(--transition-fast),
        background-color var(--transition-fast),
        transform var(--transition-fast);
    cursor: pointer;
    white-space: nowrap;
    text-decoration: none;
}

.btn:hover,
.btn:focus-visible {
    color: var(--primary);
    border-color: rgba(212, 175, 55, 0.4);
    background-color: var(--accent-subtle);
}

.btn:active {
    transform: translateY(1px);
}

.btn-share {
    padding: var(--space-2) var(--space-4);
}

.btn-share--copied {
    color: var(--accent-alt);
    border-color: rgba(34, 197, 94, 0.4);
    background-color: rgba(34, 197, 94, 0.08);
}

/* Pagination buttons */
.btn-pagination {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-5);
    font-size: var(--text-sm);
    font-weight: var(--weight-semibold);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    background-color: var(--surface);
    color: var(--secondary);
    transition:
        color var(--transition-fast),
        border-color var(--transition-fast),
        background-color var(--transition-fast),
        transform var(--transition-fast),
        box-shadow var(--transition-fast);
    text-decoration: none;
}

.btn-pagination:hover,
.btn-pagination:focus-visible {
    color: var(--accent);
    border-color: var(--accent);
    background-color: var(--accent-subtle);
    box-shadow: 0 0 12px rgba(212, 175, 55, 0.15);
    transform: translateY(-1px);
}

.btn-pagination:active {
    transform: translateY(0);
}

.btn-pagination--prev svg {
    transition: transform var(--transition-fast);
}

.btn-pagination--prev:hover svg {
    transform: translateX(-3px);
}

.btn-pagination--next svg {
    transition: transform var(--transition-fast);
}

.btn-pagination--next:hover svg {
    transform: translateX(3px);
}


/* ==========================================================================
   14. Pagination
   ========================================================================== */

.pagination {
    margin-top: var(--space-14);
    padding-top: var(--space-10);
    border-top: 1px solid var(--border-subtle);
}

.pagination-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-4);
    flex-wrap: wrap;
}

.pagination-prev,
.pagination-next {
    flex: 1;
    display: flex;
}

.pagination-prev {
    justify-content: flex-start;
}

.pagination-next {
    justify-content: flex-end;
}

.pagination-counter {
    color: var(--muted);
    font-size: var(--text-sm);
    font-weight: var(--weight-medium);
    white-space: nowrap;
    flex-shrink: 0;
}

@media (max-width: 480px) {
    .pagination-inner {
        flex-direction: column;
        align-items: stretch;
    }

    .pagination-prev,
    .pagination-next {
        justify-content: center;
    }

    .btn-pagination {
        width: 100%;
        justify-content: center;
    }

    .pagination-counter {
        text-align: center;
    }
}


/* ==========================================================================
   15. Empty Feed State
   ========================================================================== */

.empty-feed {
    padding: var(--space-16) var(--space-8);
    text-align: center;
    color: var(--muted);
    border: 1px dashed var(--border);
    border-radius: var(--radius-xl);
}


/* ==========================================================================
   16. Footer
   ========================================================================== */

.site-footer {
    background-color: var(--background);
    border-top: 1px solid var(--border);
    padding-block: var(--space-10) var(--space-12);
    margin-top: auto;
}

.site-footer-inner {
    display: flex;
    flex-direction: column;
    gap: var(--space-10);
}

/* Newsletter Section */
.site-footer-newsletter {
    max-width: 480px;
}

.site-footer-heading {
    font-size: var(--text-lg);
    font-weight: var(--weight-semibold);
    color: var(--primary);
    margin-bottom: var(--space-2);
}

.site-footer-newsletter-text {
    font-size: var(--text-sm);
    color: var(--secondary);
    margin-bottom: var(--space-6);
}

.newsletter-form {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.newsletter-form-row {
    display: flex;
    gap: var(--space-3);
}

.newsletter-form-row--inline {
    display: flex;
    gap: var(--space-3);
}

.newsletter-input-wrap {
    position: relative;
    flex: 1;
}

.newsletter-input-wrap--flex {
    flex: 1;
}

.newsletter-input-icon {
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--secondary);
    pointer-events: none;
}

.newsletter-input {
    width: 100%;
    padding: 12px 16px 12px 40px;
    border-radius: var(--radius-xl);
    font-size: var(--text-sm);
    font-family: var(--font-sans);
    background-color: var(--surface);
    border: 1px solid var(--border);
    color: var(--primary);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
    outline: none;
}

.newsletter-input::placeholder {
    color: var(--secondary);
}

.newsletter-input:focus {
    border-color: rgba(212, 175, 55, 0.4);
    box-shadow: 0 0 0 2px rgba(212, 175, 55, 0.15);
}

.newsletter-btn {
    padding: 12px 24px;
    border-radius: var(--radius-xl);
    font-size: var(--text-sm);
    font-weight: var(--weight-semibold);
    font-family: var(--font-sans);
    white-space: nowrap;
    background-color: var(--accent);
    color: var(--background);
    border: none;
    cursor: pointer;
    transition: background-color var(--transition-fast);
}

.newsletter-btn:hover {
    background-color: var(--accent-hover);
}

.newsletter-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.newsletter-feedback {
    font-size: var(--text-sm);
    min-height: 1.25em;
}

.newsletter-feedback--success {
    color: var(--accent-alt);
    padding: 12px 16px;
    border-radius: var(--radius-xl);
    background-color: rgba(34, 197, 94, 0.1);
    border: 1px solid rgba(34, 197, 94, 0.2);
}

.newsletter-feedback--error {
    color: #f87171;
}

@media (max-width: 639px) {
    .newsletter-form-row--inline {
        flex-direction: column;
    }

    .newsletter-btn {
        width: 100%;
    }
}

/* Footer Columns */
.site-footer-columns {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-6);
    text-align: center;
}

@media (min-width: 768px) {
    .site-footer-columns {
        flex-direction: row;
        justify-content: space-between;
        text-align: left;
    }
}

.site-footer-brand {
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
}

.site-footer-logo {
    font-size: var(--text-base);
    font-weight: var(--weight-bold);
    color: var(--primary);
    letter-spacing: var(--tracking-tight);
    transition: color var(--transition-fast);
}

.site-footer-logo:hover,
.site-footer-logo:focus-visible {
    color: var(--accent);
}

.site-footer-tagline {
    color: var(--muted);
    font-size: var(--text-xs);
}

.site-footer-nav {
    display: flex;
    align-items: center;
}

.site-footer-links {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-1);
}

@media (min-width: 768px) {
    .site-footer-links {
        justify-content: flex-start;
    }
}

.site-footer-links li a {
    display: inline-block;
    padding: var(--space-1) var(--space-3);
    color: var(--muted);
    font-size: var(--text-sm);
    border-radius: var(--radius-md);
    transition: color var(--transition-fast), background-color var(--transition-fast);
}

.site-footer-links li a:hover,
.site-footer-links li a:focus-visible {
    color: var(--secondary);
    background-color: var(--surface);
}

.site-footer-copyright {
    color: var(--muted);
    font-size: var(--text-xs);
}


/* ==========================================================================
   17. Focus & Accessibility
   ========================================================================== */

:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 3px;
    border-radius: var(--radius-sm);
}

/* Remove default focus ring in favor of focus-visible */
:focus:not(:focus-visible) {
    outline: none;
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

/* Screen reader only */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}


/* ==========================================================================
   18. Utility Classes
   ========================================================================== */

.text-primary   { color: var(--primary); }
.text-secondary { color: var(--secondary); }
.text-muted     { color: var(--muted); }
.text-accent    { color: var(--accent); }
.text-success   { color: var(--accent-alt); }

.bg-surface  { background-color: var(--surface); }
.bg-surface-alt { background-color: var(--surface-alt); }
.bg-background { background-color: var(--background); }

.border-default { border: 1px solid var(--border); }
.border-accent  { border: 1px solid var(--accent); }

.font-mono { font-family: var(--font-mono); }
.font-sans { font-family: var(--font-sans); }

.rounded-sm  { border-radius: var(--radius-sm); }
.rounded-md  { border-radius: var(--radius-md); }
.rounded-lg  { border-radius: var(--radius-lg); }
.rounded-xl  { border-radius: var(--radius-xl); }
.rounded-full { border-radius: var(--radius-full); }


/* ==========================================================================
   19. Ghost Membership / Subscribe (future-proofing)
   ========================================================================== */

.gh-subscribe-form {
    display: flex;
    gap: var(--space-3);
    flex-wrap: wrap;
    margin-block: var(--space-6);
}

.gh-subscribe-input {
    flex: 1;
    min-width: 200px;
    padding: var(--space-3) var(--space-4);
    background-color: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    color: var(--primary);
    font-family: var(--font-sans);
    font-size: var(--text-sm);
    outline: none;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.gh-subscribe-input:focus {
    border-color: rgba(212, 175, 55, 0.5);
    box-shadow: 0 0 0 3px rgba(212, 175, 55, 0.1);
}

.gh-subscribe-input::placeholder {
    color: var(--muted);
}

.gh-subscribe-btn {
    padding: var(--space-3) var(--space-6);
    background: var(--gradient-accent);
    color: #0A0A0B;
    font-weight: var(--weight-semibold);
    font-size: var(--text-sm);
    border-radius: var(--radius-lg);
    border: none;
    cursor: pointer;
    transition: opacity var(--transition-fast), transform var(--transition-fast);
    white-space: nowrap;
}

.gh-subscribe-btn:hover {
    opacity: 0.9;
    transform: translateY(-1px);
}

/* Member portal */
.gh-portal-trigger {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-4);
    color: var(--secondary);
    font-size: var(--text-sm);
    font-weight: var(--weight-medium);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    background-color: var(--surface);
    transition: color var(--transition-fast), border-color var(--transition-fast);
}

.gh-portal-trigger:hover {
    color: var(--accent);
    border-color: rgba(212, 175, 55, 0.4);
}


/* ==========================================================================
   20. Error / 404 Page
   ========================================================================== */

.error-page {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: calc(100vh - var(--nav-height) - 160px);
    padding: var(--space-16) var(--space-4);
    text-align: center;
}

.error-code {
    font-size: clamp(5rem, 20vw, 10rem);
    font-weight: var(--weight-bold);
    letter-spacing: var(--tracking-tight);
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    line-height: 1;
    margin-bottom: var(--space-6);
}

.error-title {
    font-size: var(--text-2xl);
    font-weight: var(--weight-bold);
    color: var(--primary);
    margin-bottom: var(--space-4);
}

.error-description {
    color: var(--secondary);
    max-width: 40ch;
    margin-bottom: var(--space-8);
}

.error-actions {
    display: flex;
    gap: var(--space-4);
    flex-wrap: wrap;
    justify-content: center;
}


/* ==========================================================================
   21. Print Styles
   ========================================================================== */

@media print {
    :root {
        --background: #fff;
        --surface: #f5f5f5;
        --border: #e0e0e0;
        --primary: #111;
        --secondary: #555;
        --accent: #8a6d00;
    }

    .site-nav,
    .post-back-link,
    .post-footer .post-share,
    .site-footer {
        display: none;
    }

    .post-article {
        padding-bottom: 0;
    }

    .gh-content a::after {
        content: ' (' attr(href) ')';
        font-size: 0.85em;
        color: var(--secondary);
    }

    .gh-content pre,
    .gh-content code {
        white-space: pre-wrap;
    }
}