/* =========================================================================
   Ledger — Ghost Theme for Finance Newsletters
   A dark-mode theme with Bloomberg-inspired aesthetics
   ========================================================================= */

/* ── Design Tokens ── */
:root {
    /* Background Layers */
    --color-bg:            #0B1120;
    --color-surface-1:     #111827;
    --color-surface-2:     #1A2332;
    --color-surface-3:     #232D3F;

    /* Text Hierarchy */
    --color-text-primary:   #E8ECF1;
    --color-text-secondary: #8B95A5;
    --color-text-tertiary:  #7B8698;

    /* Accent */
    --color-accent-start:  #3B82F6;
    --color-accent-end:    #60A5FA;
    --color-accent-solid:  #3B82F6;
    --color-accent-hover:  #60A5FA;
    --color-accent-subtle: rgba(59, 130, 246, 0.10);
    --color-accent-glow:   rgba(59, 130, 246, 0.20);

    /* Borders */
    --color-border:        rgba(255, 255, 255, 0.06);
    --color-border-strong: rgba(255, 255, 255, 0.12);

    /* Semantic: Market Data */
    --color-ticker-up:     #4ADE80;
    --color-ticker-down:   #F87171;
    --color-ticker-neutral:#8B95A5;
    --color-success:       #4ADE80;
    --color-error:         #F87171;
    --color-warning:       #FBBF24;
    --color-info:          #3B82F6;

    /* Semantic: Subtle Backgrounds */
    --color-success-subtle: rgba(74, 222, 128, 0.08);
    --color-error-subtle:   rgba(248, 113, 113, 0.08);
    --color-warning-subtle: rgba(251, 191, 36, 0.08);
    --color-info-subtle:    rgba(59, 130, 246, 0.08);

    /* Premium Tier */
    --color-premium-gold:  #F59E0B;
    --color-premium-bg:    rgba(245, 158, 11, 0.08);
    --color-premium-border:rgba(245, 158, 11, 0.20);

    /* Code */
    --color-code-bg:       #0D1525;
    --color-code-text:     #D4D8E0;

    /* On-accent (text on solid accent backgrounds) */
    --color-text-on-accent: #ffffff;

    /* Typography — Ghost custom font support */
    --gh-font-heading: 'Newsreader', Georgia, 'Times New Roman', serif;
    --gh-font-body:    'Inter', system-ui, -apple-system, sans-serif;
    --font-heading: var(--gh-font-heading);
    --font-body:    var(--gh-font-body);
    --font-mono:    'JetBrains Mono', 'Fira Code', 'Cascadia Code', monospace;
    --font-data:    'JetBrains Mono', 'Fira Code', monospace;

    /* Type Scale */
    --font-size-xs:      0.875rem;
    --font-size-sm:      1rem;
    --font-size-base:    1.125rem;
    --font-size-lg:      1.25rem;
    --font-size-xl:      1.5rem;
    --font-size-2xl:     1.875rem;
    --font-size-3xl:     2.25rem;
    --font-size-4xl:     2.75rem;
    --font-size-display: 3.5rem;

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

    /* Line Heights */
    --line-height-tight:    1.2;
    --line-height-normal:   1.5;
    --line-height-relaxed:  1.7;

    /* Spacing */
    --space-unit:  4px;
    --space-xs:    4px;
    --space-sm:    8px;
    --space-md:    16px;
    --space-lg:    24px;
    --space-xl:    32px;
    --space-2xl:   48px;
    --space-3xl:   64px;
    --space-4xl:   96px;

    --gap-sm:  1rem;
    --gap:     1.5rem;
    --gap-lg:  2rem;
    --gap-xl:  3rem;

    /* Layout */
    --container-max:     1200px;
    --container-wide:    1400px;
    --container-narrow:  720px;
    --sidebar-width:     240px;
    --header-height:     72px;

    /* Border Radius */
    --radius-sm:    4px;
    --radius-md:    8px;
    --radius-lg:    12px;
    --radius-full:  9999px;

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

    /* Z-Index */
    --z-base:        1;
    --z-sticky:      10;
    --z-header:      100;
    --z-mobile-menu: 10000;
    --z-header-bar:  10001;
    --z-overlay:     10002;
}

/* ── Responsive Type ── */
@media (max-width: 768px) {
    :root {
        --font-size-4xl:     2rem;
        --font-size-display: 2.5rem;
        --font-size-3xl:     1.75rem;
    }
}

@media (max-width: 480px) {
    :root {
        --font-size-4xl:     1.75rem;
        --font-size-display: 2rem;
    }
}

/* ── Base / Reset ── */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

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

[id] {
    scroll-margin-top: calc(var(--header-height) + var(--gap));
}

body {
    font-family: var(--font-body);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-regular);
    line-height: var(--line-height-relaxed);
    color: var(--color-text-primary);
    background-color: var(--color-bg);
    background-image:
        linear-gradient(rgba(255,255,255,0.015) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.015) 1px, transparent 1px);
    background-size: 24px 24px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body.menu-open {
    overflow: hidden;
    height: 100dvh;
    touch-action: none;
}

::selection {
    background-color: var(--color-accent-subtle);
    color: var(--color-text-primary);
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    color: var(--color-accent-solid);
    text-decoration: none;
    transition: color var(--transition-fast);
}

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

/* ── Focus ── */
*:focus-visible {
    outline: 2px solid var(--color-accent-solid);
    outline-offset: 2px;
    border-radius: var(--radius-sm);
}

:focus:not(:focus-visible) {
    outline: none;
}

/* ── Layout ── */
.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding-left: 32px;
    padding-right: 32px;
}

@media (max-width: 768px) {
    .container {
        padding-left: 20px;
        padding-right: 20px;
    }
}

/* ── Skip to Content ── */
.skip-to-content {
    position: fixed;
    top: 8px;
    left: 8px;
    z-index: 99999;
    background: var(--color-accent-solid);
    color: var(--color-text-on-accent);
    padding: 8px 16px;
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    transform: translateY(-120%);
    transition: transform var(--transition-fast);
}

.skip-to-content:focus {
    transform: translateY(0);
    color: var(--color-text-on-accent);
}

/* =========================================================================
   Site Header
   ========================================================================= */

.site-header {
    position: sticky;
    top: 0;
    z-index: var(--z-header-bar);
    height: var(--header-height);
    background-color: rgba(17, 24, 39, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--color-border);
}

.site-header-inner {
    display: flex;
    align-items: center;
    height: 100%;
    gap: var(--gap);
}

.site-header-logo {
    font-family: var(--font-heading);
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-bold);
    color: var(--color-text-primary);
    white-space: nowrap;
    flex-shrink: 0;
}

.site-header-logo:hover {
    color: var(--color-text-primary);
}

.site-header-logo img {
    max-height: 36px;
    width: auto;
}

.site-header-nav {
    flex: 1;
    display: flex;
    justify-content: center;
}

.site-header-nav ul {
    display: flex;
    list-style: none;
    gap: var(--gap);
    align-items: center;
}

.site-header-nav a {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-text-secondary);
    transition: color var(--transition-fast);
    padding: 8px 0;
}

.site-header-nav a:hover {
    color: var(--color-text-primary);
}

.site-header-actions {
    display: flex;
    gap: var(--space-sm);
    align-items: center;
    flex-shrink: 0;
}

.site-header-button {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    padding: 8px 20px;
    border-radius: var(--radius-md);
    min-height: 44px;
    display: inline-flex;
    align-items: center;
    transition: background-color var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast);
}

.site-header-button-ghost {
    color: var(--color-text-secondary);
    border: 1px solid var(--color-border-strong);
}

.site-header-button-ghost:hover {
    color: var(--color-text-primary);
    background-color: var(--color-surface-3);
}

.site-header-button-primary {
    background-color: var(--color-accent-solid);
    color: var(--color-text-on-accent);
}

.site-header-button-primary:hover {
    background-color: var(--color-accent-hover);
    color: var(--color-text-on-accent);
}

@media (max-width: 1023px) {
    .site-header-nav,
    .site-header-actions {
        display: none;
    }
}

/* ── Mobile Menu Toggle ── */
.mobile-menu-toggle {
    display: none;
    width: 44px;
    height: 44px;
    background: none;
    border: none;
    cursor: pointer;
    position: relative;
    margin-left: auto;
}

.mobile-menu-icon,
.mobile-menu-icon::before,
.mobile-menu-icon::after {
    display: block;
    width: 22px;
    height: 2px;
    background-color: var(--color-text-primary);
    border-radius: 1px;
    transition: transform var(--transition-fast), opacity var(--transition-fast);
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
}

.mobile-menu-icon {
    top: 50%;
    margin-top: -1px;
}

.mobile-menu-icon::before {
    content: '';
    top: -7px;
    left: 0;
    transform: none;
}

.mobile-menu-icon::after {
    content: '';
    top: 7px;
    left: 0;
    transform: none;
}

.mobile-menu-toggle.is-open .mobile-menu-icon {
    background-color: transparent;
}

.mobile-menu-toggle.is-open .mobile-menu-icon::before {
    top: 0;
    transform: rotate(45deg);
}

.mobile-menu-toggle.is-open .mobile-menu-icon::after {
    top: 0;
    transform: rotate(-45deg);
}

@media (max-width: 1023px) {
    .mobile-menu-toggle {
        display: flex;
        align-items: center;
        justify-content: center;
    }
}

/* ── Mobile Menu ── */
.mobile-menu {
    position: fixed;
    inset: 0;
    height: 100dvh;
    z-index: var(--z-mobile-menu);
    background-color: var(--color-surface-1);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition), visibility var(--transition);
}

.mobile-menu.is-open {
    opacity: 1;
    visibility: visible;
}

.mobile-menu-nav {
    text-align: center;
}

.mobile-menu-nav ul {
    list-style: none;
}

.mobile-menu-nav li {
    margin-bottom: var(--space-xs);
}

.mobile-menu-nav a {
    display: block;
    padding: 16px 20px;
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-medium);
    color: var(--color-text-secondary);
    transition: color var(--transition-fast);
}

.mobile-menu-nav a:hover {
    color: var(--color-text-primary);
}

.mobile-menu-actions {
    margin-top: var(--gap-lg);
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
    width: 100%;
    max-width: 280px;
}

.mobile-menu-button {
    display: block;
    text-align: center;
    padding: 14px 24px;
    border-radius: var(--radius-md);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-secondary);
    border: 1px solid var(--color-border-strong);
    transition: background-color var(--transition-fast), color var(--transition-fast);
}

.mobile-menu-button:hover {
    color: var(--color-text-primary);
    background-color: var(--color-surface-3);
}

.mobile-menu-button-primary {
    background-color: var(--color-accent-solid);
    color: var(--color-text-on-accent);
    border-color: transparent;
}

.mobile-menu-button-primary:hover {
    background-color: var(--color-accent-hover);
    color: var(--color-text-on-accent);
}

/* =========================================================================
   Footer
   ========================================================================= */

.site-footer {
    background-color: var(--color-surface-1);
    border-top: 1px solid var(--color-border);
    padding: var(--space-3xl) 0 0;
}

.site-footer-inner {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1.5fr;
    gap: var(--gap-lg);
}

.site-footer-logo {
    font-family: var(--font-heading);
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-bold);
    color: var(--color-text-primary);
}

.site-footer-logo:hover {
    color: var(--color-text-primary);
}

.site-footer-description {
    margin-top: var(--space-sm);
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    line-height: var(--line-height-normal);
}

.site-footer-heading {
    font-family: var(--font-body);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-text-tertiary);
    margin-bottom: var(--space-md);
}

.site-footer-nav ul {
    list-style: none;
}

.site-footer-nav li {
    margin-bottom: var(--space-sm);
}

.site-footer-nav a {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

.site-footer-nav a:hover {
    color: var(--color-text-primary);
}

.site-footer-disclosure {
    font-size: var(--font-size-xs);
    color: var(--color-text-tertiary);
    font-style: italic;
    line-height: var(--line-height-normal);
}

.site-footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-top: 1px solid var(--color-border);
    padding: var(--gap-sm) 0;
    margin-top: var(--space-3xl);
    font-size: var(--font-size-xs);
    color: var(--color-text-tertiary);
}

@media (max-width: 768px) {
    .site-footer-inner {
        grid-template-columns: 1fr;
        gap: var(--gap-xl);
    }

    .site-footer-bottom {
        flex-direction: column;
        gap: var(--space-sm);
        text-align: center;
    }
}

/* =========================================================================
   Typography — .gh-content
   ========================================================================= */

.gh-content {
    font-family: var(--font-body);
    font-size: var(--font-size-base);
    line-height: var(--line-height-relaxed);
    color: var(--color-text-primary);
    max-width: var(--container-narrow);
    word-break: break-word;
}

.gh-content > * + * {
    margin-top: 0;
}

.gh-content h1 {
    font-family: var(--font-heading);
    font-size: var(--font-size-4xl);
    font-weight: var(--font-weight-bold);
    line-height: var(--line-height-tight);
    margin-top: 3em;
    margin-bottom: 0.75em;
}

.gh-content h2 {
    font-family: var(--font-heading);
    font-size: var(--font-size-3xl);
    font-weight: var(--font-weight-bold);
    line-height: var(--line-height-tight);
    margin-top: 3em;
    margin-bottom: 0.75em;
}

.gh-content h3 {
    font-family: var(--font-heading);
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-semibold);
    line-height: var(--line-height-tight);
    margin-top: 2em;
    margin-bottom: 0.5em;
}

.gh-content h4 {
    font-family: var(--font-heading);
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-semibold);
    line-height: var(--line-height-tight);
    margin-top: 1.75em;
    margin-bottom: 0.5em;
}

.gh-content h5,
.gh-content h6 {
    font-family: var(--font-heading);
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    line-height: var(--line-height-tight);
    margin-top: 1.5em;
    margin-bottom: 0.5em;
}

/* Heading proximity collapse */
.gh-content h2 + h3 { margin-top: 0.75em; }
.gh-content h3 + h4 { margin-top: 0.5em; }

.gh-content p {
    margin-top: 0;
    margin-bottom: 1em;
}

.gh-content ul,
.gh-content ol {
    margin-top: 0;
    margin-bottom: 1em;
    padding-left: 1.5em;
}

.gh-content li {
    margin-bottom: 0.35em;
}

.gh-content li > ul,
.gh-content li > ol {
    margin-top: 0.35em;
    margin-bottom: 0;
}

.gh-content blockquote {
    margin-top: 2em;
    margin-bottom: 2em;
    padding: var(--gap) var(--gap-lg);
    border-left: 3px solid var(--color-accent-solid);
    background-color: var(--color-surface-1);
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
    font-style: italic;
    color: var(--color-text-secondary);
}

.gh-content blockquote p:last-child {
    margin-bottom: 0;
}

.gh-content aside {
    margin-top: 2em;
    margin-bottom: 2em;
    padding: var(--gap);
    background-color: var(--color-surface-1);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

.gh-content pre {
    margin-top: 2em;
    margin-bottom: 2em;
    padding: var(--gap);
    background-color: var(--color-code-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    overflow-x: auto;
    font-family: var(--font-mono);
    font-size: var(--font-size-sm);
    line-height: var(--line-height-normal);
    color: var(--color-code-text);
    -webkit-overflow-scrolling: touch;
}

.gh-content pre[class*="language-"] {
    background-color: var(--color-code-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
}

.gh-content code {
    font-family: var(--font-mono);
    font-size: 0.9em;
    background-color: var(--color-surface-2);
    padding: 2px 6px;
    border-radius: var(--radius-sm);
    color: var(--color-code-text);
}

.gh-content pre code {
    background: none;
    padding: 0;
    border-radius: 0;
    font-size: inherit;
}

.gh-content hr {
    margin-top: 3em;
    margin-bottom: 3em;
    border: none;
    border-top: 1px solid var(--color-border);
}

.gh-content table {
    width: 100%;
    border-collapse: collapse;
    font-size: var(--font-size-sm);
    margin-top: 2em;
    margin-bottom: 2em;
}

.gh-content table th {
    background-color: var(--color-surface-2);
    color: var(--color-text-secondary);
    font-weight: var(--font-weight-semibold);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-size: var(--font-size-xs);
    padding: 12px 16px;
    border-bottom: 2px solid var(--color-border-strong);
    text-align: left;
}

.gh-content table td {
    padding: 10px 16px;
    border-bottom: 1px solid var(--color-border);
    color: var(--color-text-primary);
    font-family: var(--font-data);
}

.gh-content table tr:nth-child(even) {
    background-color: var(--color-surface-1);
}

.gh-content table tr:hover {
    background-color: var(--color-surface-2);
}

/* Bloomberg-style trend indicators — auto-color cells containing +/- percentages and values */
.gh-content table td {
    /* JS applies these classes */
}

.gh-content table td.td-positive {
    color: var(--color-positive, #10B981);
}

.gh-content table td.td-negative {
    color: var(--color-negative, #EF4444);
}

/* Dark theme overrides for Ghost card backgrounds (cards.min.css uses white) */
.kg-product-card,
.kg-product-card .kg-product-card-container {
    background: var(--color-surface-1) !important;
    color: var(--color-text-primary) !important;
}

.kg-product-card .kg-product-card-title {
    color: var(--color-text-primary) !important;
}

.kg-product-card .kg-product-card-description {
    color: var(--color-text-secondary) !important;
}

.gh-content figure {
    margin-top: 2em;
    margin-bottom: 2em;
}

.gh-content figcaption {
    margin-top: var(--space-sm);
    font-size: var(--font-size-sm);
    color: var(--color-text-tertiary);
    text-align: center;
}

.gh-content iframe {
    margin-top: 2em;
    margin-bottom: 2em;
}

.gh-content a {
    color: var(--color-accent-solid);
    text-decoration: underline;
    text-underline-offset: 2px;
}

.gh-content a:hover {
    color: var(--color-accent-hover);
}

.gh-content strong {
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-primary);
}

.gh-content em {
    font-style: italic;
}

.gh-content mark {
    background-color: var(--color-warning-subtle);
    color: var(--color-text-primary);
    padding: 1px 4px;
    border-radius: 2px;
}

/* Ghost card widths */
.gh-content .kg-width-wide {
    max-width: min(calc(var(--container-narrow) + 200px), 100vw - 40px);
    margin-left: auto;
    margin-right: auto;
}

.gh-content .kg-width-full {
    max-width: 100vw;
    margin-left: calc(-50vw + 50%);
    margin-right: calc(-50vw + 50%);
    width: 100vw;
}

.gh-content .kg-width-full img {
    width: 100%;
}

/* Table scroll wrapper */
.table-scroll-wrapper {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    margin-top: 2em;
    margin-bottom: 2em;
}

.table-scroll-wrapper table {
    margin-top: 0;
    margin-bottom: 0;
    min-width: 480px;
}

/* Value colors for data tables */
.value-up {
    color: var(--color-ticker-up);
}

.value-down {
    color: var(--color-ticker-down);
}

/* =========================================================================
   Hero (Homepage)
   ========================================================================= */

.hero {
    padding: var(--space-4xl) 0;
    border-bottom: 1px solid var(--color-border);
}

.hero-label {
    font-family: var(--font-body);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-semibold);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-accent-solid);
    margin-bottom: var(--gap-sm);
}

.hero-title {
    font-family: var(--font-heading);
    font-size: var(--font-size-display);
    font-weight: var(--font-weight-bold);
    line-height: var(--line-height-tight);
    color: var(--color-text-primary);
    max-width: 800px;
}

.hero-excerpt {
    font-family: var(--font-body);
    font-size: var(--font-size-lg);
    color: var(--color-text-secondary);
    max-width: 600px;
    margin-top: var(--gap-sm);
    line-height: var(--line-height-relaxed);
}

.hero-meta {
    font-family: var(--font-body);
    font-size: var(--font-size-sm);
    color: var(--color-text-tertiary);
    margin-top: var(--gap-sm);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    flex-wrap: wrap;
}

.hero-meta-separator::before {
    content: '\00B7';
}

.hero-cta {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    margin-top: var(--gap);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-semibold);
    color: var(--color-accent-solid);
}

.hero-cta:hover {
    color: var(--color-accent-hover);
    text-decoration: underline;
}

.hero-badge {
    margin-left: var(--space-sm);
}

@media (max-width: 768px) {
    .hero {
        padding: var(--space-2xl) 0;
    }
}

/* ── Section Divider ── */
.section-label {
    display: flex;
    align-items: center;
    gap: var(--gap-sm);
    padding: var(--gap-lg) 0 var(--gap);
}

.section-label-text {
    font-family: var(--font-body);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-semibold);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-text-tertiary);
    white-space: nowrap;
}

.section-label-line {
    flex: 1;
    height: 1px;
    background-color: var(--color-border);
}

/* =========================================================================
   Post Card
   ========================================================================= */

.post-card {
    background-color: var(--color-surface-1);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--gap);
    display: flex;
    flex-direction: column;
    transition: border-color var(--transition-fast);
}

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

.post-card a {
    text-decoration: none;
}

.post-card-link {
    display: flex;
    flex-direction: column;
    flex: 1;
    color: inherit;
}

.post-card-link:hover {
    color: inherit;
}

.post-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-sm);
}

.post-card-tag {
    font-family: var(--font-body);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-semibold);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-accent-solid);
}

.post-card-title {
    font-family: var(--font-heading);
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    line-height: var(--line-height-tight);
    color: var(--color-text-primary);
    margin-bottom: var(--space-sm);
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    transition: color var(--transition-fast);
}

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

.post-card-excerpt {
    font-family: var(--font-body);
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin-bottom: var(--space-md);
    flex: 1;
}

.post-card-meta {
    font-family: var(--font-body);
    font-size: var(--font-size-xs);
    color: var(--color-text-tertiary);
    margin-top: auto;
}

/* Featured card variant */
.post-card-featured {
    border-left: 3px solid var(--color-accent-solid);
}

.post-card-featured .post-card-title {
    font-size: var(--font-size-2xl);
}

.post-card-image {
    aspect-ratio: 16/9;
    border-radius: var(--radius-md);
    overflow: hidden;
    margin-bottom: var(--space-md);
}

.post-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* Post Grid */
.post-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: var(--gap);
}

.post-grid .post-card-featured {
    grid-column: span 2;
}

@media (max-width: 768px) {
    .post-grid {
        grid-template-columns: 1fr;
    }

    .post-grid .post-card-featured {
        grid-column: span 1;
    }
}

/* =========================================================================
   Member Badge
   ========================================================================= */

.member-badge {
    display: inline-flex;
    align-items: center;
    font-family: var(--font-body);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-semibold);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 2px 8px;
    border-radius: var(--radius-sm);
}

.member-badge-premium {
    color: var(--color-premium-gold);
    background-color: var(--color-premium-bg);
    border: 1px solid var(--color-premium-border);
}

.member-badge-members {
    color: var(--color-accent-solid);
    background-color: var(--color-accent-subtle);
}

/* =========================================================================
   Post Page Layout
   ========================================================================= */

.post-full-header {
    padding: var(--space-3xl) 0 var(--space-2xl);
    border-bottom: 1px solid var(--color-border);
}

.post-full-badges {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-md);
}

.post-full-tag {
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-semibold);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-accent-solid);
}

.post-full-title {
    font-family: var(--font-heading);
    font-size: var(--font-size-4xl);
    font-weight: var(--font-weight-bold);
    line-height: var(--line-height-tight);
    color: var(--color-text-primary);
    max-width: var(--container-narrow);
}

.post-full-meta {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    margin-top: var(--gap);
    flex-wrap: wrap;
}

.post-full-meta-author {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.post-full-meta-author .author-avatar {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-full);
}

.post-full-meta-author a {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-text-primary);
}

.post-full-meta-date,
.post-full-meta-reading-time {
    font-size: var(--font-size-sm);
    color: var(--color-text-tertiary);
}

/* Post layout: content + TOC sidebar */
.post-layout {
    display: grid;
    grid-template-columns: 1fr var(--sidebar-width);
    gap: var(--gap-xl);
    padding-top: var(--space-2xl);
    padding-bottom: var(--space-3xl);
    align-items: start;
}

.post-layout-content {
    max-width: var(--container-narrow);
    min-width: 0;
}

.post-sidebar {
    position: sticky;
    top: calc(var(--header-height) + var(--gap));
}

@media (max-width: 1023px) {
    .post-layout {
        grid-template-columns: 1fr;
    }

    .post-sidebar {
        display: none;
    }
}

/* Post footer */
.post-full-footer {
    margin-top: var(--space-3xl);
    padding-top: var(--gap-lg);
    border-top: 1px solid var(--color-border);
}

.post-full-tags {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    margin-bottom: var(--gap-lg);
}

.post-full-tags a {
    color: var(--color-accent-solid);
}

/* Share links */
.post-share {
    display: flex;
    gap: var(--space-sm);
    margin-top: var(--gap);
    margin-bottom: var(--gap-lg);
}

.post-share-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    background-color: var(--color-surface-2);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-text-secondary);
    cursor: pointer;
    transition: color var(--transition-fast), border-color var(--transition-fast);
}

.post-share-button:hover {
    color: var(--color-text-primary);
    border-color: var(--color-border-strong);
}

.post-share-button svg {
    width: 20px;
    height: 20px;
}

/* Author card */
.author-card {
    margin-top: var(--gap-lg);
    margin-bottom: var(--gap-lg);
}

.author-card-inner {
    display: flex;
    gap: var(--gap);
    align-items: flex-start;
    margin-top: var(--space-md);
}

.author-card-avatar {
    width: 64px;
    height: 64px;
    border-radius: var(--radius-full);
    border: 2px solid var(--color-border-strong);
    flex-shrink: 0;
}

.author-card-name {
    font-family: var(--font-heading);
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
}

.author-card-name a {
    color: var(--color-text-primary);
    text-decoration: none;
}

.author-card-bio {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    margin-top: var(--space-xs);
    line-height: var(--line-height-normal);
}

/* Discussion */
.post-comments {
    margin-top: var(--gap-lg);
}

.post-comments-cta {
    margin-top: var(--space-md);
}

.post-comments-prompt {
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-medium);
    color: var(--color-text-primary);
}

.post-comments-sub {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

/* Related posts */
.related-posts {
    padding: var(--space-3xl) 0;
    border-top: 1px solid var(--color-border);
}

.related-posts .post-grid {
    margin-top: var(--space-md);
}

/* =========================================================================
   TOC Sidebar
   ========================================================================= */

.post-toc {
    max-height: calc(100vh - var(--header-height) - var(--gap) * 2);
    overflow-y: auto;
    transition: opacity var(--transition);
    scrollbar-width: thin;
    scrollbar-color: var(--color-surface-3, #334155) transparent;
}

.post-toc::-webkit-scrollbar {
    width: 4px;
}

.post-toc::-webkit-scrollbar-track {
    background: transparent;
}

.post-toc::-webkit-scrollbar-thumb {
    background-color: var(--color-surface-3, #334155);
    border-radius: 2px;
}

.post-toc.is-hidden {
    display: none;
}

.post-toc-label {
    font-family: var(--font-body);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-semibold);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-text-tertiary);
    display: block;
    margin-bottom: var(--space-md);
}

.post-toc-nav {
    display: flex;
    flex-direction: column;
}

.post-toc-link {
    font-family: var(--font-body);
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    padding: 6px 0 6px 16px;
    border-left: 2px solid transparent;
    display: block;
    text-decoration: none;
    transition: color var(--transition-fast), border-color var(--transition-fast);
}

.post-toc-link:hover {
    color: var(--color-text-primary);
}

.post-toc-link.is-active {
    color: var(--color-accent-solid);
    border-left-color: var(--color-accent-solid);
    font-weight: var(--font-weight-medium);
}

.post-toc-link[data-level="3"] {
    padding-left: 32px;
}

.post-toc-progress {
    margin-top: var(--space-md);
    height: 2px;
    background-color: var(--color-surface-2);
    border-radius: 1px;
    overflow: hidden;
}

.post-toc-progress-bar {
    height: 100%;
    background-color: var(--color-accent-solid);
    width: 0;
    transition: width 100ms linear;
}

/* =========================================================================
   Content Gate
   ========================================================================= */

.content-gate-wrapper {
    position: relative;
}

.content-gate-fade {
    position: relative;
    height: 120px;
    margin-top: -120px;
    background: linear-gradient(to bottom, transparent, var(--color-bg) 90%);
    pointer-events: none;
}

.content-gate {
    text-align: center;
    padding: var(--space-3xl) var(--gap);
}

.content-gate-lock {
    color: var(--color-text-tertiary);
    margin-bottom: var(--gap);
}

.content-gate-title {
    font-family: var(--font-heading);
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-text-primary);
    margin-bottom: var(--space-sm);
}

.content-gate-description {
    font-size: var(--font-size-base);
    color: var(--color-text-secondary);
    margin-bottom: var(--gap);
    max-width: 480px;
    margin-left: auto;
    margin-right: auto;
}

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

.content-gate-button {
    display: inline-flex;
    align-items: center;
    padding: 12px 32px;
    border-radius: var(--radius-md);
    font-weight: var(--font-weight-semibold);
    font-size: var(--font-size-sm);
    min-height: 44px;
    transition: background-color var(--transition-fast), color var(--transition-fast);
}

.content-gate-button-primary {
    background-color: var(--color-accent-solid);
    color: var(--color-text-on-accent);
}

.content-gate-button-primary:hover {
    background-color: var(--color-accent-hover);
    color: var(--color-text-on-accent);
}

.content-gate-button-secondary {
    border: 1px solid var(--color-border-strong);
    color: var(--color-text-secondary);
}

.content-gate-button-secondary:hover {
    background-color: var(--color-surface-3);
    color: var(--color-text-primary);
}

.content-gate-signin {
    margin-top: var(--space-md);
    font-size: var(--font-size-sm);
    color: var(--color-text-tertiary);
}

/* =========================================================================
   Newsletter CTA
   ========================================================================= */

.cta-newsletter {
    background: linear-gradient(135deg, var(--color-surface-2), var(--color-surface-1));
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-3xl) var(--gap-lg);
    text-align: center;
    margin: var(--space-3xl) 0;
}

.cta-newsletter-title {
    font-family: var(--font-heading);
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-text-primary);
    margin-bottom: var(--space-sm);
}

.cta-newsletter-description {
    font-size: var(--font-size-base);
    color: var(--color-text-secondary);
    margin-bottom: var(--gap);
}

.cta-newsletter-form {
    display: flex;
    gap: var(--space-sm);
    max-width: 480px;
    margin: 0 auto;
}

.cta-newsletter-input {
    flex: 1;
    background-color: var(--color-surface-2);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 12px 16px;
    color: var(--color-text-primary);
    font-family: var(--font-body);
    font-size: var(--font-size-sm);
    transition: border-color var(--transition-fast);
}

.cta-newsletter-input:focus-visible {
    border-color: var(--color-accent-solid);
    outline: 2px solid var(--color-accent-solid);
    outline-offset: 2px;
}

.cta-newsletter-input:focus:not(:focus-visible) {
    outline: none;
    border-color: var(--color-accent-solid);
}

.cta-newsletter-input::placeholder {
    color: var(--color-text-tertiary);
}

.cta-newsletter-button {
    background-color: var(--color-accent-solid);
    color: var(--color-text-on-accent);
    font-family: var(--font-body);
    font-weight: var(--font-weight-semibold);
    font-size: var(--font-size-sm);
    padding: 12px 24px;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    min-width: 120px;
    min-height: 44px;
    transition: background-color var(--transition-fast);
}

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

.cta-newsletter-disclaimer {
    font-size: var(--font-size-xs);
    color: var(--color-text-tertiary);
    margin-top: var(--space-md);
}

@media (max-width: 768px) {
    .cta-newsletter-form {
        flex-direction: column;
        align-items: stretch;
    }
}

/* =========================================================================
   Author Credibility Card
   ========================================================================= */

.author-credibility {
    background-color: var(--color-surface-1);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--gap-lg);
    margin: var(--space-3xl) 0;
}

.author-credibility-top {
    display: flex;
    gap: var(--gap);
    align-items: flex-start;
}

.author-credibility-avatar {
    width: 64px;
    height: 64px;
    border-radius: var(--radius-full);
    border: 2px solid var(--color-border-strong);
    flex-shrink: 0;
}

.author-credibility-name {
    font-family: var(--font-heading);
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-text-primary);
}

.author-credibility-role {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    margin-top: var(--space-xs);
}

.author-credibility-social {
    display: flex;
    gap: var(--space-sm);
    margin-top: var(--space-sm);
}

.author-credibility-social a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    color: var(--color-text-tertiary);
    transition: color var(--transition-fast);
}

.author-credibility-social a:hover {
    color: var(--color-accent-solid);
}

.author-credibility-social svg {
    width: 20px;
    height: 20px;
}

.author-credibility-disclosure {
    border-top: 1px solid var(--color-border);
    padding-top: var(--gap-sm);
    margin-top: var(--gap);
    font-size: var(--font-size-xs);
    color: var(--color-text-tertiary);
    font-style: italic;
    line-height: var(--line-height-normal);
}

/* =========================================================================
   Auth Pages (Sign In, Sign Up, Account)
   ========================================================================= */

.auth-page {
    max-width: 400px;
    margin: 0 auto;
    padding: var(--space-4xl) var(--gap);
}

.auth-title {
    font-family: var(--font-heading);
    font-size: var(--font-size-3xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-text-primary);
    margin-bottom: var(--space-sm);
}

.auth-description {
    font-size: var(--font-size-base);
    color: var(--color-text-secondary);
    margin-bottom: var(--gap-lg);
}

.auth-form-group {
    margin-bottom: var(--space-md);
}

.auth-label {
    display: block;
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-text-secondary);
    margin-bottom: var(--space-xs);
}

.auth-input {
    display: block;
    width: 100%;
    background-color: var(--color-surface-2);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 12px 16px;
    color: var(--color-text-primary);
    font-family: var(--font-body);
    font-size: var(--font-size-base);
    transition: border-color var(--transition-fast);
    min-height: 44px;
}

.auth-input:focus-visible {
    border-color: var(--color-accent-solid);
    outline: 2px solid var(--color-accent-solid);
    outline-offset: 2px;
}

.auth-input:focus:not(:focus-visible) {
    outline: none;
    border-color: var(--color-accent-solid);
}

.auth-input::placeholder {
    color: var(--color-text-tertiary);
}

.auth-button {
    display: block;
    width: 100%;
    background-color: var(--color-accent-solid);
    color: var(--color-text-on-accent);
    font-family: var(--font-body);
    font-weight: var(--font-weight-semibold);
    font-size: var(--font-size-base);
    padding: 14px;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    min-height: 44px;
    margin-top: var(--gap);
    transition: background-color var(--transition-fast);
}

.auth-button:hover {
    background-color: var(--color-accent-hover);
}

.auth-form.is-loading .auth-button {
    opacity: 0.6;
    pointer-events: none;
}

.auth-error {
    color: var(--color-error);
    font-size: var(--font-size-sm);
    margin-top: var(--space-sm);
}

.auth-alternate {
    text-align: center;
    margin-top: var(--gap);
    font-size: var(--font-size-sm);
    color: var(--color-text-tertiary);
}

.auth-alternate a {
    color: var(--color-accent-solid);
}

/* Magic Link Confirmation */
.auth-success {
    display: none;
    text-align: center;
}

.auth-success.is-visible {
    display: block;
}

.auth-success-icon {
    color: var(--color-accent-solid);
    margin-bottom: var(--gap);
}

.auth-success-title {
    font-family: var(--font-heading);
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-text-primary);
    margin-bottom: var(--space-sm);
}

.auth-success-description {
    font-size: var(--font-size-base);
    color: var(--color-text-secondary);
}

/* =========================================================================
   Pricing Page
   ========================================================================= */

.pricing-page {
    padding: var(--space-4xl) 0;
}

.pricing-header {
    text-align: center;
    margin-bottom: var(--space-3xl);
}

.pricing-title {
    font-family: var(--font-heading);
    font-size: var(--font-size-4xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-text-primary);
    margin-bottom: var(--space-md);
}

.pricing-toggle {
    display: inline-flex;
    background-color: var(--color-surface-2);
    border-radius: var(--radius-full);
    padding: 4px;
    gap: 0;
}

.pricing-toggle-button {
    padding: 8px 20px;
    border-radius: var(--radius-full);
    border: none;
    background: none;
    font-family: var(--font-body);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-text-secondary);
    cursor: pointer;
    transition: background-color var(--transition-fast), color var(--transition-fast);
    min-height: 44px;
}

.pricing-toggle-button.is-active {
    background-color: var(--color-accent-solid);
    color: var(--color-text-on-accent);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--gap);
    max-width: 720px;
    margin: 0 auto;
}

.pricing-card {
    background-color: var(--color-surface-1);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--gap-lg);
    display: flex;
    flex-direction: column;
}

.pricing-card-premium {
    border-color: var(--color-premium-border);
    border-width: 2px;
    position: relative;
}

.pricing-card-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background-color: var(--color-premium-gold);
    color: var(--color-bg);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-bold);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 4px 12px;
    border-radius: var(--radius-full);
    white-space: nowrap;
}

.pricing-card-name {
    font-family: var(--font-heading);
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-text-primary);
    margin-bottom: var(--space-md);
}

.pricing-card-price {
    font-family: var(--font-data);
    font-size: var(--font-size-3xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-text-primary);
    margin-bottom: var(--gap);
}

.pricing-card-period {
    font-family: var(--font-body);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-regular);
    color: var(--color-text-secondary);
}

.pricing-card-benefits {
    list-style: none;
    margin-bottom: var(--gap);
    flex: 1;
}

.pricing-card-benefits li {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    padding: var(--space-xs) 0;
    display: flex;
    align-items: flex-start;
    gap: var(--space-sm);
}

.pricing-card-benefits li::before {
    content: '\2713';
    color: var(--color-ticker-up);
    font-weight: var(--font-weight-bold);
    flex-shrink: 0;
}

.pricing-card-cta {
    display: block;
    text-align: center;
    padding: 12px 24px;
    border-radius: var(--radius-md);
    font-weight: var(--font-weight-semibold);
    font-size: var(--font-size-sm);
    min-height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color var(--transition-fast), color var(--transition-fast);
}

.pricing-card-cta-secondary {
    border: 1px solid var(--color-border-strong);
    color: var(--color-text-secondary);
}

.pricing-card-cta-secondary:hover {
    background-color: var(--color-surface-3);
    color: var(--color-text-primary);
}

.pricing-card-cta-primary {
    background-color: var(--color-accent-solid);
    color: var(--color-text-on-accent);
}

.pricing-card-cta-primary:hover {
    background-color: var(--color-accent-hover);
    color: var(--color-text-on-accent);
}

/* =========================================================================
   Account Page
   ========================================================================= */

.account-page {
    max-width: 600px;
    margin: 0 auto;
    padding: var(--space-4xl) var(--gap);
}

.account-title {
    font-family: var(--font-heading);
    font-size: var(--font-size-3xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-text-primary);
    margin-bottom: var(--space-sm);
}

.account-description {
    font-size: var(--font-size-base);
    color: var(--color-text-secondary);
    margin-bottom: var(--gap-lg);
}

.account-card {
    background-color: var(--color-surface-1);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--gap-lg);
    margin-bottom: var(--gap);
}

.account-card-label {
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-semibold);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-text-tertiary);
    margin-bottom: var(--space-sm);
}

.account-card-value {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-primary);
}

.account-actions {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.account-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 24px;
    border-radius: var(--radius-md);
    font-weight: var(--font-weight-semibold);
    font-size: var(--font-size-sm);
    min-height: 44px;
    transition: background-color var(--transition-fast), color var(--transition-fast);
}

.account-button-primary {
    background-color: var(--color-accent-solid);
    color: var(--color-text-on-accent);
}

.account-button-primary:hover {
    background-color: var(--color-accent-hover);
    color: var(--color-text-on-accent);
}

.account-button-ghost {
    border: 1px solid var(--color-border-strong);
    color: var(--color-text-secondary);
}

.account-button-ghost:hover {
    background-color: var(--color-surface-3);
    color: var(--color-text-primary);
}

/* =========================================================================
   Tag & Author Pages
   ========================================================================= */

.archive-header {
    padding: var(--space-3xl) 0 var(--space-2xl);
    border-bottom: 1px solid var(--color-border);
}

.archive-title {
    font-family: var(--font-heading);
    font-size: var(--font-size-4xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-text-primary);
}

.archive-description {
    font-size: var(--font-size-lg);
    color: var(--color-text-secondary);
    margin-top: var(--space-sm);
    max-width: var(--container-narrow);
}

.archive-count {
    font-size: var(--font-size-sm);
    color: var(--color-text-tertiary);
    margin-top: var(--space-sm);
}

.archive-content {
    padding: var(--space-2xl) 0 var(--space-3xl);
}

/* Author page */
.author-header {
    display: flex;
    gap: var(--gap);
    align-items: flex-start;
}

.author-header-avatar {
    width: 80px;
    height: 80px;
    border-radius: var(--radius-full);
    border: 2px solid var(--color-border-strong);
    flex-shrink: 0;
}

.author-header-social {
    display: flex;
    gap: var(--space-sm);
    margin-top: var(--space-sm);
}

.author-header-social a {
    color: var(--color-text-tertiary);
    transition: color var(--transition-fast);
}

.author-header-social a:hover {
    color: var(--color-accent-solid);
}

/* =========================================================================
   Error Page
   ========================================================================= */

.error-page {
    text-align: center;
    padding: var(--space-4xl) var(--gap);
}

.error-code {
    font-family: var(--font-data);
    font-size: var(--font-size-display);
    font-weight: var(--font-weight-bold);
    color: var(--color-text-tertiary);
    line-height: 1;
    margin-bottom: var(--gap);
}

.error-title {
    font-family: var(--font-heading);
    font-size: var(--font-size-3xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-text-primary);
    margin-bottom: var(--space-sm);
}

.error-description {
    font-size: var(--font-size-base);
    color: var(--color-text-secondary);
    margin-bottom: var(--gap-lg);
}

.error-button {
    display: inline-flex;
    align-items: center;
    padding: 12px 32px;
    background-color: var(--color-accent-solid);
    color: var(--color-text-on-accent);
    font-weight: var(--font-weight-semibold);
    border-radius: var(--radius-md);
    min-height: 44px;
    transition: background-color var(--transition-fast);
}

.error-button:hover {
    background-color: var(--color-accent-hover);
    color: var(--color-text-on-accent);
}

/* =========================================================================
   Pagination
   ========================================================================= */

.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--gap-sm);
    padding: var(--gap-xl) 0;
}

.pagination a {
    display: inline-flex;
    align-items: center;
    padding: 10px 20px;
    background-color: var(--color-surface-1);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    transition: background-color var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast);
    min-height: 44px;
}

.pagination a:hover {
    background-color: var(--color-surface-3);
    color: var(--color-text-primary);
    border-color: var(--color-border-strong);
}

.pagination .page-number {
    font-size: var(--font-size-xs);
    color: var(--color-text-tertiary);
}

/* =========================================================================
   Back to Top
   ========================================================================= */

.back-to-top {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: var(--z-sticky);
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-surface-2);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-text-secondary);
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition), visibility var(--transition), background-color var(--transition-fast);
}

.back-to-top.is-visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    background-color: var(--color-surface-3);
    color: var(--color-text-primary);
}

/* =========================================================================
   Scroll Reveal Animation
   ========================================================================= */

.reveal-on-scroll {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity var(--transition-slow), transform var(--transition-slow);
}

.reveal-on-scroll.is-visible {
    opacity: 1;
    transform: translateY(0);
}

/* =========================================================================
   Components Page
   ========================================================================= */

.components-page {
    padding: var(--space-3xl) 0;
    overflow-x: clip;
}

.components-hero {
    text-align: center;
    padding-bottom: var(--space-3xl);
    border-bottom: 1px solid var(--color-border);
    margin-bottom: var(--space-3xl);
}

.components-hero-title {
    font-family: var(--font-heading);
    font-size: var(--font-size-4xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-text-primary);
}

.components-hero-description {
    font-size: var(--font-size-lg);
    color: var(--color-text-secondary);
    margin-top: var(--space-sm);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.components-nav {
    display: flex;
    gap: var(--gap-sm);
    justify-content: center;
    flex-wrap: wrap;
    margin-top: var(--gap);
}

.components-nav a {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-text-secondary);
    padding: 8px 16px;
    background-color: var(--color-surface-1);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    transition: background-color var(--transition-fast), color var(--transition-fast);
}

.components-nav a:hover {
    background-color: var(--color-surface-3);
    color: var(--color-text-primary);
}

.showcase-section {
    margin-bottom: var(--space-3xl);
}

.showcase-section h2 {
    font-family: var(--font-heading);
    font-size: var(--font-size-3xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-text-primary);
    margin-bottom: var(--space-sm);
    padding-bottom: var(--space-md);
    border-bottom: 1px solid var(--color-border);
}

.showcase-section h2 + p {
    color: var(--color-text-secondary);
    margin-bottom: var(--gap-lg);
}

.showcase-section h3 {
    font-family: var(--font-heading);
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-primary);
    margin-top: var(--space-2xl);
    margin-bottom: var(--gap);
}

/* Color swatches */
.showcase-colors {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: var(--space-sm);
}

.showcase-color {
    aspect-ratio: 2/1;
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
    display: flex;
    align-items: flex-end;
    padding: var(--space-sm);
    min-height: 80px;
}

.showcase-color span {
    font-family: var(--font-mono);
    font-size: var(--font-size-xs);
    color: inherit;
    text-shadow: 0 1px 3px rgba(0,0,0,0.5);
}

/* Surface elevation */
.showcase-surfaces {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: var(--gap-sm);
}

.showcase-surface {
    padding: var(--gap);
    border-radius: var(--radius-md);
    min-height: 100px;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
}

.showcase-surface span {
    font-family: var(--font-mono);
    font-size: var(--font-size-xs);
    color: var(--color-text-secondary);
}

/* Typography specimens */
.type-specimen {
    display: flex;
    flex-direction: column;
    gap: var(--gap);
}

.type-specimen-item {
    display: grid;
    grid-template-columns: 200px 1fr;
    gap: var(--gap);
    align-items: baseline;
    padding-bottom: var(--gap);
    border-bottom: 1px solid var(--color-border);
}

.type-specimen-meta {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.type-specimen-label {
    font-family: var(--font-body);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-semibold);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-accent-solid);
}

.type-specimen-meta code {
    font-family: var(--font-mono);
    font-size: var(--font-size-xs);
    color: var(--color-text-tertiary);
}

@media (max-width: 768px) {
    .type-specimen-item {
        grid-template-columns: 1fr;
    }
}

/* Code block showcase */
.showcase-code-block {
    background-color: var(--color-code-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.showcase-code-header {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: 10px 16px;
    background-color: var(--color-surface-2);
    border-bottom: 1px solid var(--color-border);
}

.showcase-code-dots {
    display: flex;
    gap: 6px;
}

.showcase-code-dot {
    width: 12px;
    height: 12px;
    border-radius: var(--radius-full);
}

.showcase-code-dot:nth-child(1) { background: #F87171; }
.showcase-code-dot:nth-child(2) { background: #FBBF24; }
.showcase-code-dot:nth-child(3) { background: #4ADE80; }

.showcase-code-filename {
    font-family: var(--font-mono);
    font-size: var(--font-size-xs);
    color: var(--color-text-tertiary);
    margin-left: auto;
}

.showcase-code-body {
    padding: var(--gap);
}

.showcase-code-body pre {
    margin: 0;
    padding: 0;
    background: none;
    border: none;
}

/* Button showcase */
.showcase-buttons {
    display: flex;
    gap: var(--gap-sm);
    flex-wrap: wrap;
    align-items: center;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 10px 24px;
    border-radius: var(--radius-md);
    font-family: var(--font-body);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    cursor: pointer;
    border: none;
    min-height: 44px;
    transition: background-color var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast);
}

.btn-primary {
    background-color: var(--color-accent-solid);
    color: var(--color-text-on-accent);
}

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

.btn-secondary {
    background-color: var(--color-surface-2);
    color: var(--color-text-primary);
    border: 1px solid var(--color-border-strong);
}

.btn-secondary:hover {
    background-color: var(--color-surface-3);
}

.btn-ghost {
    background: none;
    color: var(--color-accent-solid);
    border: 1px solid var(--color-border);
}

.btn-ghost:hover {
    background-color: var(--color-accent-subtle);
    border-color: var(--color-accent-solid);
}

/* Showcase helpers */
.showcase-grid-2 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--gap);
}

.showcase-card {
    background-color: var(--color-surface-1);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--gap);
}

.showcase-label {
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-semibold);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-text-tertiary);
    margin-bottom: var(--space-sm);
}

/* Category cards */
.category-card {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    background-color: var(--color-surface-1);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--gap);
    transition: border-color var(--transition-fast);
}

.category-card:hover {
    border-color: var(--color-border-strong);
}

.category-card-name {
    font-family: var(--font-heading);
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-primary);
}

.category-card-count {
    font-size: var(--font-size-sm);
    color: var(--color-text-tertiary);
}

/* Data table showcase */
.showcase-data-table table {
    width: 100%;
    border-collapse: collapse;
    font-size: var(--font-size-sm);
}

.showcase-data-table th {
    background-color: var(--color-surface-2);
    color: var(--color-text-secondary);
    font-weight: var(--font-weight-semibold);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-size: var(--font-size-xs);
    padding: 12px 16px;
    border-bottom: 2px solid var(--color-border-strong);
    text-align: left;
}

.showcase-data-table td {
    padding: 10px 16px;
    border-bottom: 1px solid var(--color-border);
    color: var(--color-text-primary);
    font-family: var(--font-data);
}

.showcase-data-table tr:nth-child(even) {
    background-color: var(--color-surface-1);
}

.showcase-data-table tr:hover {
    background-color: var(--color-surface-2);
}

/* TOC demo in components */
.showcase-toc-demo {
    display: grid;
    grid-template-columns: 1fr 200px;
    gap: var(--gap);
    background-color: var(--color-surface-1);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--gap);
    min-height: 200px;
}

.showcase-toc-content {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
}

.showcase-toc-sidebar {
    border-left: 1px solid var(--color-border);
    padding-left: var(--gap);
}

.showcase-toc-sidebar .post-toc-link {
    font-size: var(--font-size-xs);
}

/* =========================================================================
   Print Styles
   ========================================================================= */

@media print {
    body {
        background: #fff;
        color: #000;
        background-image: none;
    }

    .site-header,
    .site-footer,
    .mobile-menu,
    .back-to-top,
    .post-sidebar,
    .post-share,
    .cta-newsletter,
    .content-gate-wrapper,
    .related-posts,
    .pagination {
        display: none !important;
    }

    .container {
        max-width: 100%;
        padding: 0;
    }

    .gh-content a {
        color: #000;
        text-decoration: underline;
    }

    .gh-content a[href]::after {
        content: " (" attr(href) ")";
        font-size: 0.8em;
    }
}

/* =========================================================================
   Reduced Motion
   ========================================================================= */

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

/* =========================================================================
   Author Credibility Metrics
   ========================================================================= */

.author-credibility-metrics {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-sm);
    padding: var(--space-md) 0;
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
    margin: var(--space-md) 0;
}

.author-credibility-metric {
    text-align: center;
}

.author-credibility-metric-value {
    display: block;
    font-family: var(--font-data, var(--font-mono));
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-accent);
    line-height: 1.2;
}

.author-credibility-metric-label {
    display: block;
    font-size: var(--font-size-xs);
    color: var(--color-text-secondary);
    margin-top: var(--space-2xs);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

@media (max-width: 600px) {
    .author-credibility-metrics {
        grid-template-columns: repeat(2, 1fr);
    }
}