/* CSS Custom Properties for Theme Support */
:root {
    /* Light theme colors */
    --color-primary: #2563eb;
    --color-primary-hover: #1d4ed8;
    --color-secondary: #64748b;
    --color-accent: #06b6d4;

    --color-text-primary: #0f172a;
    --color-text-secondary: #475569;
    --color-text-muted: #64748b;

    --color-bg-primary: #ffffff;
    --color-bg-secondary: #f8fafc;
    --color-bg-tertiary: #f1f5f9;

    --color-border: #e2e8f0;
    --color-border-light: #f1f5f9;

    --color-shadow: rgba(0, 0, 0, 0.1);
    --color-shadow-light: rgba(0, 0, 0, 0.05);

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

    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;

    --font-weight-light: 300;
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;

    --line-height-tight: 1.25;
    --line-height-normal: 1.5;
    --line-height-relaxed: 1.625;

    /* Spacing */
    --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-9: 2.25rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    --space-15: 3.75rem;
    --space-16: 4rem;
    --space-18: 4.5rem;
    --space-20: 5rem;

    /* Border radius */
    --radius-sm: 0.25rem;
    --radius-md: 0.375rem;
    --radius-lg: 0.5rem;
    --radius-xl: 0.75rem;

    /* Transitions */
    --transition-fast: 150ms ease-in-out;
    --transition-normal: 250ms ease-in-out;
    --transition-slow: 350ms ease-in-out;

    /* Container widths */
    --container-sm: 640px;
    --container-md: 768px;
    --container-lg: 1024px;
    --container-xl: 1280px;
}

/* Dark theme colors */
[data-theme="dark"] {
    --color-primary: #3b82f6;
    --color-primary-hover: #2563eb;
    --color-secondary: #94a3b8;
    --color-accent: #22d3ee;

    --color-text-primary: #f8fafc;
    --color-text-secondary: #cbd5e1;
    --color-text-muted: #94a3b8;

    --color-bg-primary: #0f172a;
    --color-bg-secondary: #1e293b;
    --color-bg-tertiary: #334155;

    --color-border: #334155;
    --color-border-light: #475569;

    --color-shadow: rgba(0, 0, 0, 0.3);
    --color-shadow-light: rgba(0, 0, 0, 0.2);
}

/* Dark theme hero section */
[data-theme="dark"] .hero {
    background: linear-gradient(135deg,
            rgba(59, 130, 246, 0.08) 0%,
            rgba(34, 211, 238, 0.05) 25%,
            rgba(124, 58, 237, 0.06) 50%,
            rgba(34, 211, 238, 0.05) 75%,
            rgba(59, 130, 246, 0.08) 100%);
    border-bottom-color: var(--color-border);
}

[data-theme="dark"] .hero::before {
    background: linear-gradient(135deg,
            rgba(255, 255, 255, 0.03) 0%,
            rgba(255, 255, 255, 0.01) 50%,
            rgba(255, 255, 255, 0.03) 100%);
}

[data-theme="dark"] .hero::after {
    background: radial-gradient(circle at 30% 20%,
            rgba(59, 130, 246, 0.1) 0%,
            transparent 50%),
        radial-gradient(circle at 70% 80%,
            rgba(34, 211, 238, 0.08) 0%,
            transparent 50%);
}

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family-primary);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-normal);
    line-height: var(--line-height-normal);
    color: var(--color-text-primary);
    background-color: var(--color-bg-primary);
    transition: background-color var(--transition-normal), color var(--transition-normal);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Site Container */
.site-container {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Container */
.container {
    width: 100%;
    max-width: var(--container-lg);
    margin: 0 auto;
    padding: 0 var(--space-4);
}

@media (min-width: 768px) {
    .container {
        padding: 0 var(--space-6);
    }
}

/* Navigation */
.nav {
    background-color: var(--color-bg-primary);
    border-bottom: 1px solid var(--color-border);
    position: sticky;
    top: 0;
    z-index: 100;
    transition: background-color var(--transition-normal), border-color var(--transition-normal);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 4rem;
    max-width: var(--container-xl);
    margin: 0 auto;
    padding: 0 var(--space-4);
}

@media (min-width: 768px) {
    .nav-container {
        padding: 0 var(--space-6);
    }
}

.nav-logo {
    text-decoration: none;
    color: var(--color-text-primary);
    font-weight: var(--font-weight-bold);
    font-size: var(--font-size-xl);
    transition: color var(--transition-fast);
}

.nav-logo:hover {
    color: var(--color-primary);
}

.nav-menu {
    display: none;
    list-style: none;
    align-items: center;
    gap: var(--space-8);
}

@media (min-width: 768px) {
    .nav-menu {
        display: flex;
    }
}

.nav-menu.active {
    display: flex;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: var(--color-bg-primary);
    border-bottom: 1px solid var(--color-border);
    flex-direction: column;
    padding: var(--space-4);
    gap: var(--space-4);
}

.nav-link {
    text-decoration: none;
    color: var(--color-text-secondary);
    font-weight: var(--font-weight-medium);
    transition: color var(--transition-fast);
    padding: var(--space-2) var(--space-3);
    border-radius: var(--radius-md);
}

.nav-link:hover,
.nav-link.active {
    color: var(--color-primary);
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

/* Theme Toggle */
.theme-toggle {
    background: none;
    border: none;
    color: var(--color-text-secondary);
    font-size: var(--font-size-lg);
    cursor: pointer;
    padding: var(--space-2);
    border-radius: var(--radius-md);
    transition: color var(--transition-fast), background-color var(--transition-fast);
}

.theme-toggle:hover {
    color: var(--color-primary);
    background-color: var(--color-bg-secondary);
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: flex;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--space-2);
    border-radius: var(--radius-md);
    transition: background-color var(--transition-fast);
}

@media (min-width: 768px) {
    .mobile-menu-toggle {
        display: none;
    }
}

.mobile-menu-toggle:hover {
    background-color: var(--color-bg-secondary);
}

.hamburger {
    width: 1.5rem;
    height: 1rem;
    position: relative;
    display: block;
}

.hamburger::before,
.hamburger::after,
.hamburger {
    background-color: var(--color-text-secondary);
    height: 2px;
    border-radius: 1px;
    transition: all var(--transition-fast);
}

.hamburger::before,
.hamburger::after {
    content: '';
    position: absolute;
    left: 0;
    right: 0;
}

.hamburger::before {
    top: 0;
}

.hamburger::after {
    bottom: 0;
}

/* Main Content */
.main {
    flex: 1;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg,
            rgba(37, 99, 235, 0.1) 0%,
            rgba(6, 182, 212, 0.05) 25%,
            rgba(139, 92, 246, 0.08) 50%,
            rgba(6, 182, 212, 0.05) 75%,
            rgba(37, 99, 235, 0.1) 100%);
    padding: var(--space-20) 0;
    text-align: center;
    position: relative;
    overflow: hidden;
    min-height: 70vh;
    display: flex;
    align-items: center;
    justify-content: center;
    border-bottom: 1px solid var(--color-border-light);
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg,
            rgba(255, 255, 255, 0.1) 0%,
            rgba(255, 255, 255, 0.05) 50%,
            rgba(255, 255, 255, 0.1) 100%);
    -webkit-backdrop-filter: blur(20px);
    backdrop-filter: blur(20px);
    border-radius: 0 0 2rem 2rem;
}

.hero::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 30% 20%,
            rgba(37, 99, 235, 0.15) 0%,
            transparent 50%),
        radial-gradient(circle at 70% 80%,
            rgba(6, 182, 212, 0.1) 0%,
            transparent 50%);
    pointer-events: none;
}

.hero-content {
    max-width: var(--container-lg);
    margin: 0 auto;
    padding: 0 var(--space-4);
    position: relative;
    z-index: 2;
}

.hero-title {
    font-size: var(--font-size-4xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-text-primary);
    margin-bottom: var(--space-6);
    line-height: var(--line-height-tight);
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    animation: fadeInUp 1s ease-out;
    letter-spacing: -0.02em;
}

@media (min-width: 768px) {
    .hero-title {
        font-size: 4rem;
    }
}

@media (min-width: 1024px) {
    .hero-title {
        font-size: 4.5rem;
    }
}

.hero-subtitle {
    font-size: var(--font-size-xl);
    color: var(--color-text-secondary);
    line-height: var(--line-height-relaxed);
    max-width: 700px;
    margin: 0 auto;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
    animation: fadeInUp 1s ease-out 0.2s both;
    font-weight: var(--font-weight-medium);
}

.hero-cta {
    margin-top: var(--space-8);
    animation: fadeInUp 1s ease-out 0.4s both;
}

.btn-hero {
    display: inline-block;
    background: rgba(37, 99, 235, 0.1);
    color: var(--color-primary);
    padding: var(--space-4) var(--space-8);
    border-radius: var(--radius-lg);
    text-decoration: none;
    font-weight: var(--font-weight-semibold);
    font-size: var(--font-size-lg);
    border: 1px solid rgba(37, 99, 235, 0.2);
    -webkit-backdrop-filter: blur(20px);
    backdrop-filter: blur(20px);
    transition: all var(--transition-normal);
    box-shadow: 0 4px 20px rgba(37, 99, 235, 0.1);
}

.btn-hero:hover {
    background: rgba(37, 99, 235, 0.15);
    border-color: rgba(37, 99, 235, 0.3);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(37, 99, 235, 0.2);
    color: var(--color-primary-hover);
}

/* Dark theme hero button */
[data-theme="dark"] .btn-hero {
    background: rgba(59, 130, 246, 0.1);
    /* color: var(--color-primary); */
    border-color: rgba(59, 130, 246, 0.2);
    box-shadow: 0 4px 20px rgba(59, 130, 246, 0.1);
}

[data-theme="dark"] .btn-hero:hover {
    background: rgba(59, 130, 246, 0.15);
    border-color: rgba(59, 130, 246, 0.3);
    box-shadow: 0 8px 25px rgba(59, 130, 246, 0.2);
    color: var(--color-primary-hover);
}

/* Animations */

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Section Styles */
.recent-posts {
    padding: var(--space-20) 0;
}

.section-title {
    font-size: var(--font-size-3xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-text-primary);
    margin-bottom: var(--space-12);
    text-align: center;
}

.section-footer {
    text-align: center;
    margin-top: var(--space-12);
}

/* Posts Grid */
.posts-grid {
    display: grid;
    gap: var(--space-8);
    margin-bottom: var(--space-12);
}

@media (min-width: 768px) {
    .posts-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .posts-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* Post Card */
.post-card {
    background-color: var(--color-bg-secondary);
    border-radius: var(--radius-xl);
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
    border: 1px solid var(--color-border);
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.post-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px var(--color-shadow);
}

.post-card-image-container {
    width: 100%;
    height: 200px;
    background-color: var(--color-bg-tertiary);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

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

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

.post-card-image-fallback {
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: bold;
    font-size: var(--font-size-lg);
    text-align: center;
    padding: var(--space-4);
}

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

.post-card-title {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--space-3);
    line-height: var(--line-height-tight);
}

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

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

.post-card-meta {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    margin-bottom: var(--space-4);
    flex-wrap: wrap;
}

.post-card-meta time {
    color: var(--color-text-muted);
    font-size: var(--font-size-sm);
}

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

.tag {
    background-color: var(--color-bg-tertiary);
    color: var(--color-text-secondary);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-medium);
    padding: var(--space-1) var(--space-3);
    border-radius: var(--radius-lg);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.post-card-excerpt {
    color: var(--color-text-secondary);
    line-height: var(--line-height-relaxed);
    margin-bottom: var(--space-4);
}

.post-card-link {
    color: var(--color-primary);
    text-decoration: none;
    font-weight: var(--font-weight-medium);
    transition: color var(--transition-fast);
}

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

/* Button Styles */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-3) var(--space-6);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-medium);
    text-decoration: none;
    border-radius: var(--radius-lg);
    border: none;
    cursor: pointer;
    transition: all var(--transition-fast);
    line-height: 1;
}

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

.btn-primary:hover {
    background-color: var(--color-primary-hover);
    transform: translateY(-1px);
}

/* Page Styles */
.page {
    padding: var(--space-16) 0;
}

.page-header {
    text-align: center;
    margin-bottom: var(--space-12);
    max-width: var(--container-md);
    margin-left: auto;
    margin-right: auto;
}

.page-title {
    font-size: var(--font-size-4xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-text-primary);
    margin-bottom: var(--space-4);
    line-height: var(--line-height-tight);
}

.page-excerpt {
    font-size: var(--font-size-lg);
    color: var(--color-text-secondary);
    line-height: var(--line-height-relaxed);
}

.page-content {
    max-width: var(--container-md);
    margin: 0 auto;
}

/* Post Styles */
.post {
    padding: var(--space-16) 0;
}

.post-header {
    text-align: center;
    margin-bottom: var(--space-12);
    max-width: var(--container-md);
    margin-left: auto;
    margin-right: auto;
}

.post-title {
    font-size: var(--font-size-4xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-text-primary);
    margin-bottom: var(--space-6);
    line-height: var(--line-height-tight);
}

@media (min-width: 768px) {
    .post-title {
        font-size: 3rem;
    }
}

.post-meta {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-6);
    margin-bottom: var(--space-6);
    flex-wrap: wrap;
}

.post-date {
    color: var(--color-text-muted);
    font-size: var(--font-size-base);
}

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

.post-excerpt {
    font-size: var(--font-size-lg);
    color: var(--color-text-secondary);
    line-height: var(--line-height-relaxed);
    font-style: italic;
}

.post-content {
    max-width: var(--container-md);
    margin: 0 auto;
    font-size: var(--font-size-lg);
    line-height: var(--line-height-relaxed);
    color: var(--color-text-primary);
    word-wrap: break-word;
    overflow-wrap: break-word;
}

/* Typography in Content */
.post-content h1,
.post-content h2,
.post-content h3,
.post-content h4,
.post-content h5,
.post-content h6,
.page-content h1,
.page-content h2,
.page-content h3,
.page-content h4,
.page-content h5,
.page-content h6 {
    font-weight: var(--font-weight-bold);
    color: var(--color-text-primary);
    margin-top: var(--space-8);
    margin-bottom: var(--space-4);
    line-height: var(--line-height-tight);
}

.post-content h1,
.page-content h1 {
    font-size: var(--font-size-3xl);
}

.post-content h2,
.page-content h2 {
    font-size: var(--font-size-2xl);
}

.post-content h3,
.page-content h3 {
    font-size: var(--font-size-xl);
}

.post-content h4,
.page-content h4 {
    font-size: var(--font-size-lg);
}

.post-content p,
.page-content p {
    margin-bottom: var(--space-6);
}

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

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

.post-content a,
.page-content a {
    color: var(--color-primary);
    text-decoration: none;
    border-bottom: 1px solid transparent;
    transition: border-color var(--transition-fast);
}

.post-content a:hover,
.page-content a:hover {
    border-bottom-color: var(--color-primary);
}

.post-content blockquote,
.page-content blockquote {
    border-left: 4px solid var(--color-primary);
    padding-left: var(--space-6);
    margin: var(--space-8) 0;
    font-style: italic;
    color: var(--color-text-secondary);
}

.post-content img,
.page-content img {
    max-width: 100%;
    height: auto;
    border-radius: var(--radius-lg);
    margin: var(--space-8) 0;
}

/* Override for post card images */
.page-content .post-card-image {
    height: 100%;
    margin: 0;
    border-radius: 0;
}

/* Code Blocks */
.post-content pre,
.page-content pre {
    background-color: var(--color-bg-tertiary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-6);
    margin: var(--space-8) 0;
    overflow-x: auto;
    font-family: var(--font-family-mono);
    font-size: var(--font-size-sm);
    line-height: var(--line-height-normal);
}

.post-content code,
.page-content code {
    font-family: var(--font-family-mono);
    font-size: 0.9em;
}

.post-content :not(pre)>code,
.page-content :not(pre)>code {
    background-color: var(--color-bg-tertiary);
    padding: var(--space-1) var(--space-2);
    border-radius: var(--radius-sm);
    border: 1px solid var(--color-border);
}

/* Tables */
.post-content table,
.page-content table {
    width: 100%;
    border-collapse: collapse;
    margin: var(--space-8) 0;
    font-size: var(--font-size-base);
    overflow-x: auto;
    display: block;
}

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

.post-content th,
.post-content td,
.page-content th,
.page-content td {
    padding: var(--space-3) var(--space-4);
    text-align: left;
    border: 1px solid var(--color-border);
}

.post-content th,
.page-content th {
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-primary);
}

.post-content td,
.page-content td {
    color: var(--color-text-secondary);
}

/* Mobile table responsiveness */
@media (max-width: 767px) {

    .post-content table,
    .page-content table {
        display: block;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        white-space: nowrap;
        font-size: var(--font-size-sm);
    }

    .post-content th,
    .post-content td,
    .page-content th,
    .page-content td {
        padding: var(--space-2) var(--space-3);
    }
}

/* Post Navigation */
.post-footer {
    margin-top: var(--space-20);
    padding-top: var(--space-12);
    border-top: 1px solid var(--color-border);
}

.post-nav {
    display: grid;
    gap: var(--space-8);
}

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

.post-nav-item {
    padding: var(--space-6);
    background-color: var(--color-bg-secondary);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.post-nav-item:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px var(--color-shadow-light);
}

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

.post-nav-label {
    display: block;
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    margin-bottom: var(--space-2);
    font-weight: var(--font-weight-medium);
}

.post-nav-title {
    color: var(--color-text-primary);
    text-decoration: none;
    font-weight: var(--font-weight-medium);
    transition: color var(--transition-fast);
}

.post-nav-title:hover {
    color: var(--color-primary);
}

/* Footer */
.footer {
    background-color: var(--color-bg-secondary);
    border-top: 1px solid var(--color-border);
    padding: var(--space-12) 0;
    margin-top: auto;
}

.footer-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: var(--container-xl);
    margin: 0 auto;
    padding: 0 var(--space-4);
    flex-wrap: wrap;
    gap: var(--space-4);
}

@media (min-width: 768px) {
    .footer-container {
        padding: 0 var(--space-6);
    }
}

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

.footer-text a {
    color: var(--color-primary);
    text-decoration: none;
}

.footer-text a:hover {
    text-decoration: underline;
}

.footer-links {
    display: flex;
    gap: var(--space-6);
}

.footer-link {
    color: var(--color-text-secondary);
    text-decoration: none;
    font-size: var(--font-size-sm);
    transition: color var(--transition-fast);
}

.footer-link:hover {
    color: var(--color-primary);
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: var(--space-20) var(--space-4);
    color: var(--color-text-secondary);
}

/* Blog Page */
.blog-page {
    margin-top: var(--space-8);
}

/* Pagination */
.pagination {
    margin-top: var(--space-16);
    padding-top: var(--space-8);
    border-top: 1px solid var(--color-border);
}

.pagination-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: var(--container-md);
    margin: 0 auto;
    flex-wrap: wrap;
    gap: var(--space-4);
}

.pagination-link {
    display: inline-flex;
    align-items: center;
    padding: var(--space-3) var(--space-6);
    background-color: var(--color-bg-secondary);
    color: var(--color-text-primary);
    text-decoration: none;
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    font-weight: var(--font-weight-medium);
    transition: all var(--transition-fast);
}

.pagination-link:hover {
    background-color: var(--color-primary);
    color: white;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px var(--color-shadow-light);
}

.pagination-info {
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
    text-align: center;
}

/* Callout Component */
.callout {
    padding: var(--space-4) var(--space-6);
    margin: var(--space-6) 0;
    border-radius: var(--radius-lg);
    border-left: 4px solid;
}

.callout-info {
    background-color: var(--color-bg-secondary);
    border-left-color: var(--color-primary);
    color: var(--color-text-primary);
}

.callout-warning {
    background-color: #fef3cd;
    border-left-color: #ffc107;
    color: #856404;
}

.callout-error {
    background-color: #f8d7da;
    border-left-color: #dc3545;
    color: #721c24;
}

.callout-success {
    background-color: #d1e7dd;
    border-left-color: #28a745;
    color: #155724;
}

[data-theme="dark"] .callout-warning {
    background-color: #332701;
    color: #ffecb3;
}

[data-theme="dark"] .callout-error {
    background-color: #2c0b0e;
    color: #f5c6cb;
}

[data-theme="dark"] .callout-success {
    background-color: #0a2e0a;
    color: #c3e6cb;
}

/* Responsive adjustments */
@media (max-width: 767px) {
    .hero {
        padding: var(--space-16) 0;
        min-height: 60vh;
    }

    .hero-title {
        font-size: var(--font-size-3xl);
        margin-bottom: var(--space-4);
    }

    .hero-subtitle {
        font-size: var(--font-size-lg);
        max-width: 100%;
    }

    .post-card-image-container {
        height: 150px;
    }

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

    .recent-posts {
        padding: var(--space-16) 0;
    }

    .post,
    .page {
        padding: var(--space-12) 0;
    }

    .post-meta {
        flex-direction: column;
        gap: var(--space-3);
    }

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

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

/* Focus styles for accessibility */
a:focus,
button:focus {
    outline: none;
}

/* Table of Contents */
.table-of-contents {
    background-color: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-6);
    position: sticky;
    top: calc(4rem + var(--space-4));
    max-height: calc(100vh - 6rem);
    overflow-y: auto;
    z-index: 10;
}

.toc-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-4);
}

.toc-title {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-primary);
    margin: 0;
}

.toc-toggle {
    background: none;
    border: none;
    color: var(--color-text-secondary);
    cursor: pointer;
    padding: var(--space-2);
    border-radius: var(--radius-md);
    transition: color var(--transition-fast), background-color var(--transition-fast);
    display: none;
}

.toc-toggle:hover {
    color: var(--color-primary);
    background-color: var(--color-bg-tertiary);
}

.toc-icon {
    transition: transform var(--transition-fast);
}

.toc-toggle[aria-expanded="true"] .toc-icon {
    transform: rotate(180deg);
}

.toc-nav {
    overflow-y: auto;
    max-height: calc(100vh - 12rem);
}

/* Remove overflow from mobile modal TOC nav */
.toc-mobile-modal .toc-nav {
    overflow-y: visible;
    max-height: none;
}

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

.toc-item {
    margin-bottom: var(--space-2);
}

.toc-item:last-child {
    margin-bottom: 0;
}

.toc-link {
    display: block;
    color: var(--color-text-secondary);
    text-decoration: none;
    padding: var(--space-2) var(--space-3);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    line-height: var(--line-height-normal);
    transition: all var(--transition-fast);
    border-left: 3px solid transparent;
    position: relative;
}

.toc-link:hover {
    color: var(--color-primary);
    background-color: var(--color-bg-tertiary);
    border-left-color: var(--color-primary);
}

.toc-link.active {
    color: var(--color-primary);
    background-color: var(--color-bg-tertiary);
    border-left-color: var(--color-primary);
}

/* Indentation for different heading levels */
.toc-level-1 .toc-link {
    padding-left: var(--space-3);
    font-weight: var(--font-weight-medium);
}

.toc-level-2 .toc-link {
    padding-left: var(--space-6);
}

.toc-level-3 .toc-link {
    padding-left: var(--space-9);
    font-size: var(--font-size-xs);
}

.toc-level-4 .toc-link {
    padding-left: var(--space-12);
    font-size: var(--font-size-xs);
}

.toc-level-5 .toc-link {
    padding-left: var(--space-15);
    font-size: var(--font-size-xs);
}

.toc-level-6 .toc-link {
    padding-left: var(--space-18);
    font-size: var(--font-size-xs);
}

/* Mobile TOC Button */
.toc-mobile-button {
    position: fixed;
    bottom: var(--space-6);
    right: var(--space-4);
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background-color: var(--color-primary);
    color: white;
    border: none;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    cursor: pointer;
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 999;
    transition: all var(--transition-fast);
}

.toc-mobile-button:hover {
    background-color: var(--color-primary-hover);
    transform: scale(1.05);
}

.toc-mobile-button:active {
    transform: scale(0.95);
}

.toc-mobile-button svg {
    width: 24px;
    height: 24px;
}

/* Mobile TOC Modal */
.toc-mobile-modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    display: none;
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.toc-mobile-modal.active {
    display: flex;
    opacity: 1;
}

.toc-mobile-content {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background-color: var(--color-bg-primary);
    border-radius: var(--radius-xl) var(--radius-xl) 0 0;
    max-height: 70vh;
    overflow-y: auto;
    padding: var(--space-6);
    transform: translateY(100%);
    transition: transform var(--transition-normal);
}

.toc-mobile-modal.active .toc-mobile-content {
    transform: translateY(0);
}

.toc-mobile-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-4);
    padding-bottom: var(--space-4);
    border-bottom: 1px solid var(--color-border);
}

.toc-mobile-close {
    background: none;
    border: none;
    color: var(--color-text-secondary);
    cursor: pointer;
    padding: var(--space-2);
    border-radius: var(--radius-md);
    transition: color var(--transition-fast), background-color var(--transition-fast);
}

.toc-mobile-close:hover {
    color: var(--color-primary);
    background-color: var(--color-bg-secondary);
}

/* Mobile styles for table of contents */
@media (max-width: 1023px) {
    .table-of-contents {
        display: none;
    }

    .toc-mobile-button {
        display: flex;
    }

    .toc-mobile-modal .toc-link {
        font-size: var(--font-size-sm);
        padding: var(--space-3) var(--space-2);
    }

    /* Reduce indentation on mobile */
    .toc-mobile-modal .toc-level-1 .toc-link {
        padding-left: var(--space-2);
    }

    .toc-mobile-modal .toc-level-2 .toc-link {
        padding-left: var(--space-5);
    }

    .toc-mobile-modal .toc-level-3 .toc-link {
        padding-left: var(--space-8);
        font-size: var(--font-size-xs);
    }

    .toc-mobile-modal .toc-level-4 .toc-link {
        padding-left: var(--space-10);
        font-size: var(--font-size-xs);
    }

    .toc-mobile-modal .toc-level-5 .toc-link {
        padding-left: var(--space-12);
        font-size: var(--font-size-xs);
    }

    .toc-mobile-modal .toc-level-6 .toc-link {
        padding-left: calc(var(--space-12) + var(--space-2));
        font-size: var(--font-size-xs);
    }
}

/* Desktop: Show TOC on the side for larger screens */
@media (min-width: 1024px) {
    .post .container {
        max-width: var(--container-xl);
    }

    .post-content-wrapper {
        display: flex;
        gap: var(--space-8);
        align-items: flex-start;
    }

    .post-content {
        flex: 1;
        max-width: var(--container-md);
        min-width: 0;
    }

    .table-of-contents {
        width: 280px;
        flex-shrink: 0;
        position: -webkit-sticky;
        position: sticky;
        top: calc(4rem + var(--space-4));
        max-height: calc(100vh - 5rem);
        overflow-y: auto;
        align-self: flex-start;
    }

    .toc-mobile-button {
        display: none;
    }
}

@media (min-width: 1280px) {
    .table-of-contents {
        width: 320px;
    }
}

/* Print styles */
@media print {

    .nav,
    .footer,
    .theme-toggle,
    .mobile-menu-toggle,
    .post-nav,
    .table-of-contents,
    .toc-mobile-button,
    .toc-mobile-modal {
        display: none;
    }

    body {
        background: white;
        color: black;
    }
}