/* ========================================
   Apple Style Blog - CSS
   ======================================== */

/* CSS Variables */
:root {
    --color-bg: #f5f5f7;
    --color-white: #ffffff;
    --color-text: #1d1d1f;
    --color-text-secondary: #86868b;
    --color-text-tertiary: #6e6e73;
    --color-blue: #0066cc;
    --color-blue-hover: #0077ed;
    --color-blue-light: #e8f4fd;
    --color-orange: #f56300;
    --color-green: #34c759;
    --color-red: #ff3b30;
    --color-yellow: #ffcc00;
    --color-purple: #af52de;
    --color-border: #d2d2d7;
    --color-border-light: #e8e8ed;
    
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-mono: 'SF Mono', 'Monaco', 'Inconsolata', 'Fira Code', monospace;
    
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 14px;
    --radius-xl: 18px;
    --radius-full: 9999px;
    
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.04);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.1);
    
    --transition-fast: 0.15s ease;
    --transition-normal: 0.25s ease;
    --transition-slow: 0.35s ease;
}

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

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

body {
    font-family: var(--font-family);
    background-color: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    min-height: 100vh;
}

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

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

/* Container */
.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 20px;
}

@media (min-width: 768px) {
    .container {
        padding: 0 32px;
    }
}

/* ========================================
   Header
   ======================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    height: 56px;
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.04);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 56px;
}

.logo {
    font-size: 20px;
    font-weight: 600;
    letter-spacing: -0.02em;
    color: var(--color-text);
}

/* Navigation */
.nav {
    display: none;
    align-items: center;
    gap: 28px;
}

.nav-link {
    font-size: 14px;
    color: rgba(29, 29, 31, 0.75);
    transition: color var(--transition-fast);
    font-weight: 500;
}

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

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

/* Header Actions */
.header-actions {
    display: flex;
    align-items: center;
    gap: 6px;
}

.btn-icon {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: none;
    background: transparent;
    color: rgba(29, 29, 31, 0.75);
    cursor: pointer;
    border-radius: var(--radius-full);
    transition: all var(--transition-fast);
}

.btn-icon:hover {
    background: rgba(0, 0, 0, 0.04);
    color: var(--color-text);
}

.menu-toggle {
    display: flex;
}

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

/* ========================================
   Mobile Menu
   ======================================== */
.mobile-menu {
    position: fixed;
    top: 0;
    right: 0;
    width: 300px;
    height: 100vh;
    background: var(--color-white);
    z-index: 200;
    padding: 20px;
    transform: translateX(100%);
    transition: transform var(--transition-normal);
    box-shadow: var(--shadow-lg);
}

.mobile-menu.active {
    transform: translateX(0);
}

.mobile-menu-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 32px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--color-border-light);
}

.mobile-nav {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.mobile-nav-link {
    padding: 12px 0;
    font-size: 17px;
    color: var(--color-text-secondary);
    font-weight: 500;
}

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

/* ========================================
   Search Overlay
   ======================================== */
.search-overlay {
    position: fixed;
    inset: 0;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(12px);
    z-index: 300;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
}

.search-overlay.active {
    opacity: 1;
    visibility: visible;
}

.search-container {
    max-width: 640px;
    margin: 0 auto;
    padding: 80px 24px 24px;
}

.search-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 24px;
}

.search-header h2 {
    font-size: 26px;
    font-weight: 600;
    letter-spacing: -0.02em;
}

.search-form {
    position: relative;
}

.search-input-wrapper {
    position: relative;
}

.search-icon {
    position: absolute;
    left: 16px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--color-text-secondary);
}

.search-input {
    width: 100%;
    padding: 16px 16px 16px 48px;
    font-size: 17px;
    font-family: inherit;
    background: var(--color-bg);
    border: none;
    border-radius: var(--radius-lg);
    outline: none;
    color: var(--color-text);
    transition: box-shadow var(--transition-fast);
}

.search-input:focus {
    box-shadow: 0 0 0 2px rgba(0, 102, 204, 0.15);
}

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

.search-hint {
    margin-top: 12px;
    font-size: 13px;
    color: var(--color-text-secondary);
}

/* ========================================
   Buttons
   ======================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 11px 22px;
    font-size: 14px;
    font-weight: 500;
    font-family: inherit;
    border: none;
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: all var(--transition-fast);
}

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

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

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

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

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

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

.btn-full {
    width: 100%;
}

/* ========================================
   Main Layout with Sidebar
   ======================================== */
.main-with-sidebar {
    padding: 80px 0 40px;
}

.content-wrapper {
    display: flex;
    flex-direction: column;
    gap: 32px;
}

@media (min-width: 1024px) {
    .content-wrapper {
        flex-direction: row;
        gap: 32px;
    }
}

/* Sidebar Left */
.sidebar-left {
    display: flex;
    flex-direction: column;
    gap: 16px;
    order: 2;
}

@media (min-width: 1024px) {
    .sidebar-left {
        width: 260px;
        flex-shrink: 0;
        order: 1;
        position: sticky;
        top: 72px;
        align-self: flex-start;
    }
}

.sidebar-widget {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    padding: 18px;
    box-shadow: var(--shadow-sm);
}

.widget-highlight {
    background: linear-gradient(135deg, var(--color-blue) 0%, #0055aa 100%);
    color: white;
}

.widget-highlight .widget-title {
    color: white;
}







.widget-title {
    font-size: 14px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--color-text);
    margin-bottom: 8px;
}

.widget-text {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: 12px;
    line-height: 1.5;
}

.widget-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.widget-list li a {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 5px 10px;
    font-size: 14px;
    color: var(--color-text);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.widget-list li a:hover {
    background: var(--color-bg);
    color: var(--color-blue);
}

.widget-list .count {
    font-size: 12px;
    color: var(--color-text-secondary);
    background: var(--color-bg);
    padding: 2px 4px;
    border-radius: var(--radius-full);
}










.widget-title {
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--color-text-secondary);
    margin-bottom: 14px;
}

.widget-text {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: 14px;
    line-height: 1.5;
}

.widget-form {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.widget-form input {
    padding: 10px 14px;
    font-size: 13px;
    font-family: inherit;
    border: none;
    border-radius: var(--radius-md);
    outline: none;
    background: rgba(255, 255, 255, 0.15);
    color: white;
}

.widget-form input::placeholder {
    color: rgba(255, 255, 255, 0.6);
}

/* Tag Cloud */
.tag-cloud {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.tag {
    display: inline-flex;
    align-items: center;
    padding: 5px 10px;
    font-size: 12px;
    font-weight: 500;
    background: var(--color-bg);
    color: var(--color-text);
    border-radius: var(--radius-full);
    transition: all var(--transition-fast);
}

.tag:hover {
    background: var(--color-blue-light);
    color: var(--color-blue);
}

/* Widget Posts */
.widget-posts {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.widget-post {
    display: flex;
    gap: 10px;
}

.widget-post-image {
    width: 48px;
    height: 48px;
    flex-shrink: 0;
    border-radius: var(--radius-sm);
    overflow: hidden;
}

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

.widget-post-content {
    flex: 1;
    min-width: 0;
}

.widget-post-title {
    font-size: 12px;
    font-weight: 500;
    line-height: 1.4;
    color: var(--color-text);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.widget-post-title:hover {
    color: var(--color-blue);
}

.widget-post-date {
    font-size: 11px;
    color: var(--color-text-secondary);
    margin-top: 2px;
}

/* Main Content Area */
.main-content-area {
    flex: 1;
    min-width: 0;
    order: 1;
}

@media (min-width: 1024px) {
    .main-content-area {
        order: 2;
    }
}

/* ========================================
   Sections
   ======================================== */
.section {
    margin-bottom: 36px;
}

.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 18px;
}

.section-title {
    font-size: 20px;
    font-weight: 600;
    letter-spacing: -0.01em;
}

.link-arrow {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: 13px;
    font-weight: 500;
    color: var(--color-blue);
    transition: color var(--transition-fast);
}

.link-arrow:hover {
    color: var(--color-blue-hover);
}

/* ========================================
   Hero Card
   ======================================== */
.hero-card {
    display: flex;
    flex-direction: column;
    background: linear-gradient(135deg, #1d1d1f 0%, #2d2d2f 100%);
    border-radius: var(--radius-lg);
    overflow: hidden;
    padding: 24px;
    min-height: 280px;
}

@media (min-width: 640px) {
    .hero-card {
        grid-column: 1 / -1;
        flex-direction: row;
        align-items: center;
        padding: 32px;
        min-height: 240px;
    }
}

.hero-card-content {
    flex: 1;
}

.hero-card-badge {
    display: inline-block;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-orange);
    margin-bottom: 12px;
}

.hero-card-title {
    font-size: 22px;
    font-weight: 700;
    color: white;
    line-height: 1.3;
    margin-bottom: 12px;
}

@media (min-width: 640px) {
    .hero-card-title {
        font-size: 26px;
    }
}

.hero-card-text {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.5;
    margin-bottom: 18px;
    max-width: 420px;
}

.hero-card-actions {
    display: flex;
    gap: 10px;
}

.hero-card-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 10px 18px;
    font-size: 13px;
    font-weight: 500;
    border-radius: var(--radius-full);
    transition: all var(--transition-fast);
}

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

.hero-card-btn-primary:hover {
    background: rgba(255, 255, 255, 0.9);
}

.hero-card-btn-secondary {
    background: transparent;
    color: rgba(255, 255, 255, 0.8);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.hero-card-btn-secondary:hover {
    color: white;
    border-color: rgba(255, 255, 255, 0.5);
}

.hero-card-image {
    display: none;
    width: 180px;
    height: 180px;
    flex-shrink: 0;
    border-radius: var(--radius-md);
    overflow: hidden;
    margin-left: 24px;
    border-radius: 10px;
}

@media (min-width: 640px) {
    .hero-card-image {
        display: block;
        border-radius: 10px;
    }
}

.hero-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 10px;
}

/* ========================================
   Cards
   ======================================== */
.card {
    display: block;
    background: var(--color-white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-sm);
}

.card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

.card-image {
    position: relative;
    aspect-ratio: 16 / 9;
    overflow: hidden;
}

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

.card:hover .card-image img {
    transform: scale(1.04);
}

.card-content {
    padding: 16px;
}

.card-category {
    font-size: 10px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-orange);
    margin-bottom: 8px;
}

.card-title {
    font-size: 16px;
    font-weight: 600;
    line-height: 1.4;
    margin-bottom: 8px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

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

.card-excerpt {
    font-size: 13px;
    color: var(--color-text-secondary);
    line-height: 1.5;
    margin-bottom: 12px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.card-meta {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 12px;
    color: var(--color-text-secondary);
}

.card-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 5px;
    margin-top: 10px;
    padding-top: 10px;
    border-top: 1px solid var(--color-border-light);
}

.card-tag {
    font-size: 10px;
    font-weight: 500;
    color: var(--color-text-secondary);
    background: var(--color-bg);
    padding: 3px 8px;
    border-radius: var(--radius-full);
    transition: all var(--transition-fast);
}

.card-tag:hover {
    background: var(--color-blue-light);
    color: var(--color-blue);
}

/* ========================================
   Featured Grid
   ======================================== */
.featured-grid-with-hero {
    display: grid;
    gap: 16px;
}

@media (min-width: 640px) {
    .featured-grid-with-hero {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* ========================================
   Posts List
   ======================================== */
.posts-list-vertical {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.post-list-item {
    display: flex;
    gap: 14px;
    padding: 14px;
    background: var(--color-white);
    border-radius: var(--radius-lg);
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-sm);
}

.post-list-item:hover {
    transform: translateX(3px);
    box-shadow: var(--shadow-md);
}

.post-list-image {
    width: 100px;
    height: 75px;
    flex-shrink: 0;
    border-radius: var(--radius-md);
    overflow: hidden;
}

@media (min-width: 640px) {
    .post-list-image {
        width: 140px;
        height: 100px;
    }
}

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

.post-list-item:hover .post-list-image img {
    transform: scale(1.05);
}

.post-list-content {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
}

.post-list-category {
    font-size: 10px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-orange);
    margin-bottom: 5px;
}

.post-list-title {
    font-size: 14px;
    font-weight: 600;
    line-height: 1.4;
    margin-bottom: 6px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.post-list-item:hover .post-list-title {
    color: var(--color-blue);
}

.post-list-excerpt {
    font-size: 12px;
    color: var(--color-text-secondary);
    line-height: 1.5;
    margin-bottom: 8px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

@media (max-width: 480px) {
    .post-list-excerpt {
        display: none;
    }
}

.post-list-meta {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 11px;
    color: var(--color-text-secondary);
    margin-top: auto;
}

.post-list-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
    margin-top: 6px;
}

.post-list-tag {
    font-size: 10px;
    color: var(--color-text-tertiary);
    background: var(--color-bg);
    padding: 2px 7px;
    border-radius: var(--radius-full);
}

/* ========================================
   Posts Grid
   ======================================== */
.posts-grid {
    display: grid;
    gap: 16px;
}

@media (min-width: 640px) {
    .posts-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

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

/* ========================================
   Post Page Layout with TOC
   ======================================== */
.post-page-layout {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

@media (min-width: 1024px) {
    .post-page-layout {
        flex-direction: row;
        gap: 40px;
    }
}

/* Table of Contents Sidebar */
.toc-sidebar {
    order: 2;
}

@media (min-width: 1024px) {
    .toc-sidebar {
        width: 240px;
        flex-shrink: 0;
        order: 1;
        position: sticky;
        top: 72px;
        align-self: flex-start;
    }
}

.toc-widget {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    padding: 20px;
    box-shadow: var(--shadow-sm);
}

.toc-title {
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--color-text-secondary);
    margin-bottom: 16px;
}

.toc-list {
    list-style: none;
}

.toc-list li {
    margin-bottom: 4px;
}

.toc-list a {
    display: block;
    padding: 8px 12px;
    font-size: 13px;
    color: var(--color-text-secondary);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    border-left: 2px solid transparent;
}

.toc-list a:hover {
    background: var(--color-bg);
    color: var(--color-text);
}

.toc-list a.active {
    background: var(--color-blue-light);
    color: var(--color-blue);
    border-left-color: var(--color-blue);
}

.toc-list .toc-h2 {
    font-weight: 500;
}

.toc-list .toc-h3 {

    font-size: 12px;
}

/* Post Main Content */
.post-main {
    flex: 1;
    min-width: 0;
    order: 1;
}

@media (min-width: 1024px) {
    .post-main {
        order: 2;
    }
}

/* ========================================
   Post Header
   ======================================== */
.post-header {
    padding: 80px 0 20px;
    background: var(--color-white);
}

@media (min-width: 768px) {
    .post-header {
        padding: 100px 0 28px;
    }
}

.post-header-content {
    max-width: 720px;
    margin: 0 auto;
    padding-left: 30px;
}

.post-category {
    font-size: 10px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-orange);
    margin-bottom: 10px;
}

.post-title {
    font-size: 24px;
    font-weight: 700;
    letter-spacing: -0.02em;
    line-height: 1.2;
    margin-bottom: 12px;
}

@media (min-width: 768px) {
    .post-title {
        font-size: 32px;
    }
}

.post-excerpt {
    font-size: 14px;
    color: var(--color-text-secondary);
    line-height: 1.55;
    margin-bottom: 16px;
}

@media (min-width: 768px) {
    .post-excerpt {
        font-size: 16px;
    }
}

.post-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-bottom: 16px;
}

.post-tag {
    font-size: 11px;
    font-weight: 500;
    color: var(--color-blue);
    background: var(--color-blue-light);
    padding: 5px 12px;
    border-radius: var(--radius-full);
    transition: all var(--transition-fast);
}

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

.post-meta {
    display: flex;
    align-items: center;
    gap: 14px;
    font-size: 12px;
    color: var(--color-text-secondary);
}

.post-meta span {
    display: flex;
    align-items: center;
    gap: 5px;
}

/* Post Image */
.post-image {
    margin-top: -10px;
    padding: 0 20px;
}

.post-image img {
    width: 100%;
    max-width: 1000px;
    margin: 0 auto;
    aspect-ratio: 21 / 9;
    object-fit: cover;
    border-radius: var(--radius-lg);
}

/* Post Content */
.post-content {
    padding: 28px 0;
}

.post-content-inner {
    max-width: 720px;
    margin: 0 auto;
}

/* Share Buttons */
.post-share {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 24px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--color-border-light);
}

.post-share-label {
    font-size: 11px;
    color: var(--color-text-secondary);
}

.share-buttons {
    display: flex;
    gap: 6px;
}

.share-btn {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-full);
    color: var(--color-text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.share-btn:hover {
    color: var(--color-text);
    border-color: var(--color-text-secondary);
}

/* ========================================
   Post Body - Rich Content Styles
   ======================================== */
.post-body {
    font-size: 15px;
    line-height: 1.75;
    color: var(--color-text);
    max-width: 720px;
}

@media (min-width: 768px) {
    .post-body {
        font-size: 16px;
    }
}

.post-body img
{
    border-radius: 10px;
    margin-top: 20px;
    margin-bottom: 20px;
}

/* Headings */
.post-body h2 {
    font-size: 20px;
    font-weight: 600;
    margin: 36px 0 14px;
    letter-spacing: -0.01em;
    scroll-margin-top: 80px;
}

@media (min-width: 768px) {
    .post-body h2 {
        font-size: 24px;
    }
}

.post-body h3 {
    font-size: 17px;
    font-weight: 600;
    margin: 28px 0 12px;
    scroll-margin-top: 80px;
}

@media (min-width: 768px) {
    .post-body h3 {
        font-size: 19px;
    }
}

.post-body h4 {
    font-size: 15px;
    font-weight: 600;
    margin: 22px 0 10px;
}

/* Paragraphs */
.post-body p {
    margin-bottom: 18px;
}

/* Links */
.post-body a {
    color: var(--color-blue);
    text-decoration: underline;
    text-underline-offset: 2px;
    transition: color var(--transition-fast);
}

.post-body a:hover {
    color: var(--color-blue-hover);
}

/* Lists */
.post-body ul,
.post-body ol {
    margin-bottom: 18px;
    padding-left: 24px;
}

.post-body ul {
    list-style: disc;
}

.post-body ol {
    list-style: decimal;
}

.post-body li {
    margin-bottom: 8px;
    padding-left: 4px;
}

.post-body li::marker {
    color: var(--color-text-secondary);
}

.post-body ul ul,
.post-body ol ol,
.post-body ul ol,
.post-body ol ul {
    margin-top: 8px;
    margin-bottom: 8px;
}

/* Task Lists */
.post-body ul.task-list {
    list-style: none;
    padding-left: 0;
}

.post-body .task-list-item {
    display: flex;
    align-items: flex-start;
    gap: 10px;
}

.post-body .task-list-item input[type="checkbox"] {
    width: 18px;
    height: 18px;
    margin-top: 3px;
    accent-color: var(--color-blue);
    cursor: pointer;
}

/* Blockquotes */
.post-body blockquote {
    border-left: 3px solid var(--color-blue);
    padding: 16px 20px;
    margin: 24px 0;
    background: var(--color-blue-light);
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

.post-body blockquote p {
    margin-bottom: 0;
    font-style: italic;
    color: var(--color-text);
}

.post-body blockquote p:last-child {
    margin-bottom: 0;
}

.post-body blockquote cite {
    display: block;
    margin-top: 10px;
    font-size: 13px;
    font-style: normal;
    color: var(--color-text-secondary);
}

.post-body blockquote cite::before {
    content: "— ";
}

/* Callouts / Alerts */
.post-body .callout {
    padding: 16px 20px;
    margin: 24px 0;
    border-radius: var(--radius-md);
    border-left: 4px solid;
}

.post-body .callout-info {
    background: var(--color-blue-light);
    border-left-color: var(--color-blue);
}

.post-body .callout-warning {
    background: #fff8e6;
    border-left-color: var(--color-yellow);
}

.post-body .callout-success {
    background: #e8f9ee;
    border-left-color: var(--color-green);
}

.post-body .callout-error {
    background: #ffebeb;
    border-left-color: var(--color-red);
}

.post-body .callout-title {
    font-weight: 600;
    font-size: 14px;
    margin-bottom: 6px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.post-body .callout p {
    margin-bottom: 0;
    font-size: 14px;
}

/* Tables */
.post-body .table-wrapper {
    overflow-x: auto;
    margin: 24px 0;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
}

.post-body table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
    background: var(--color-white);
}

.post-body thead {
    background: var(--color-bg);
}

.post-body th {
    padding: 12px 16px;
    text-align: left;
    font-weight: 600;
    color: var(--color-text);
    border-bottom: 2px solid var(--color-border);
    white-space: nowrap;
}

.post-body td {
    padding: 12px 16px;
    border-bottom: 1px solid var(--color-border-light);
    vertical-align: top;
}

.post-body tr:last-child td {
    border-bottom: none;
}

.post-body tr:hover td {
    background: var(--color-bg);
}

.post-body tbody tr:nth-child(even) {
    background: rgba(245, 245, 247, 0.5);
}

/* Code */
.post-body code {
    font-family: var(--font-mono);
    font-size: 14px;
    background: var(--color-bg);
    padding: 2px 6px;
    border-radius: 4px;
    color: var(--color-text);
}

.post-body pre {
    background: #1d1d1f;
    padding: 20px;
    border-radius: var(--radius-md);
    overflow-x: auto;
    margin: 24px 0;
    position: relative;
}

.post-body pre code {
    background: none;
    padding: 0;
    color: #e6e6e6;
    font-size: 13px;
    line-height: 1.7;
}

/* Code Block with Language Label */
.post-body .code-block {
    position: relative;
    margin: 24px 0;
}

.post-body .code-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 16px;
    background: #2d2d2f;
    border-radius: var(--radius-md) var(--radius-md) 0 0;
}

.post-body .code-lang {
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    color: var(--color-text-secondary);
    font-family: var(--font-mono);
}

.post-body .code-copy {
    background: none;
    border: none;
    color: var(--color-text-secondary);
    cursor: pointer;
    font-size: 12px;
    display: flex;
    align-items: center;
    gap: 4px;
    transition: color var(--transition-fast);
}

.post-body .code-copy:hover {
    color: white;
}

.post-body .code-block pre {
    margin: 0;
    border-radius: 0 0 var(--radius-md) var(--radius-md);
}

/* Inline Code Highlight */
.post-body code.highlight {
    background: var(--color-blue-light);
    color: var(--color-blue);
}

/* Images in Post */
.post-body figure {
    margin: 28px 0;
}

.post-body figure img {
    width: 100%;
    border-radius: var(--radius-md);
    cursor: zoom-in;
    transition: transform var(--transition-fast);
}

.post-body figure img:hover {
    transform: scale(1.01);
}

.post-body figcaption {
    text-align: center;
    font-size: 13px;
    color: var(--color-text-secondary);
    margin-top: 10px;
    font-style: italic;
}

/* Image Grid */
.post-body .image-grid {
    display: grid;
    gap: 12px;
    margin: 28px 0;
}

.post-body .image-grid-2 {
    grid-template-columns: repeat(2, 1fr);
}

.post-body .image-grid-3 {
    grid-template-columns: repeat(3, 1fr);
}

.post-body .image-grid img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: var(--radius-md);
    cursor: zoom-in;
}

/* Horizontal Rule */
.post-body hr {
    border: none;
    height: 1px;
    background: var(--color-border);
    margin: 36px 0;
}

/* Definition Lists */
.post-body dl {
    margin: 20px 0;
}

.post-body dt {
    font-weight: 600;
    margin-bottom: 4px;
}

.post-body dd {
    margin-left: 0;
    margin-bottom: 12px;
    padding-left: 16px;
    border-left: 2px solid var(--color-border);
    color: var(--color-text-secondary);
}

/* Abbreviations */
.post-body abbr {
    border-bottom: 1px dotted var(--color-text-secondary);
    cursor: help;
}

/* Mark / Highlight */
.post-body mark {
    background: var(--color-yellow);
    padding: 2px 4px;
    border-radius: 3px;
}

/* Keyboard */
.post-body kbd {
    font-family: var(--font-mono);
    font-size: 13px;
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-bottom: 2px solid var(--color-border);
    padding: 3px 8px;
    border-radius: 5px;
    box-shadow: var(--shadow-sm);
}

/* Details / Accordion */
.post-body details {
    margin: 20px 0;
    padding: 16px 20px;
    background: var(--color-white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
}

.post-body summary {
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.post-body summary::after {
    content: "+";
    font-size: 18px;
    color: var(--color-text-secondary);
}

.post-body details[open] summary::after {
    content: "−";
}

.post-body details > *:not(summary) {
    margin-top: 14px;
}

/* Footnotes */
.post-body .footnotes {
    margin-top: 40px;
    padding-top: 20px;
    border-top: 1px solid var(--color-border);
    font-size: 13px;
}

.post-body .footnotes ol {
    padding-left: 20px;
}

.post-body .footnote-ref {
    font-size: 11px;
    vertical-align: super;
    color: var(--color-blue);
}

.post-body .footnote-backref {
    margin-left: 6px;
}

/* ========================================
   Lightbox
   ======================================== */
.lightbox {
    position: fixed;
    inset: 0;
    z-index: 1000;
    background: rgba(0, 0, 0, 0.95);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
}

.lightbox.active {
    opacity: 1;
    visibility: visible;
}

.lightbox-content {
    max-width: 90vw;
    max-height: 90vh;
}

.lightbox-content img {
    max-width: 100%;
    max-height: 90vh;
    object-fit: contain;
    border-radius: var(--radius-md);
}

.lightbox-close {
    position: absolute;
    top: 20px;
    right: 20px;
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.1);
    border: none;
    border-radius: var(--radius-full);
    color: white;
    cursor: pointer;
    transition: background var(--transition-fast);
}

.lightbox-close:hover {
    background: rgba(255, 255, 255, 0.2);
}

.lightbox-caption {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    color: rgba(255, 255, 255, 0.8);
    font-size: 14px;
    text-align: center;
    max-width: 80%;
}

/* ========================================
   Related Posts
   ======================================== */
.related-posts {
    padding: 32px 0;
    background: var(--color-white);
}

.related-posts-title {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 18px;
}

/* ========================================
   Category Page
   ======================================== */
.page-header {
    padding: 80px 0 24px;
    background: var(--color-white);
}

@media (min-width: 768px) {
    .page-header {
        padding: 100px 0 32px;
    }
}

.back-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    color: var(--color-text-secondary);
    margin-bottom: 12px;
    transition: color var(--transition-fast);
}

.back-link:hover {
    color: var(--color-text);
}

.page-title {
    font-size: 26px;
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: 8px;
}

@media (min-width: 768px) {
    .page-title {
        font-size: 34px;
    }
}

.page-description {
    font-size: 14px;
    color: var(--color-text-secondary);
    max-width: 440px;
}

.page-meta {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-top: 10px;
    font-size: 13px;
    color: var(--color-text-secondary);
}

.page-meta strong {
    color: var(--color-text);
}

/* Filter Bar */
.filter-bar {
    position: sticky;
    top: 56px;
    z-index: 50;
    padding: 10px 0;
    background: rgba(245, 245, 247, 0.95);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid var(--color-border-light);
}

.filter-bar-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
   
}


.allposts
{
    margin-top: 15px;
}

.filter-results {
    font-size: 12px;
    color: var(--color-text-secondary);
}

.filter-actions {
    display: flex;
    align-items: center;
    gap: 8px;
}

.filter-btn {
    display: flex;
    align-items: center;
    gap: 5px;
    padding: 6px 11px;
    font-size: 12px;
    font-family: inherit;
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-full);
    cursor: pointer;
}

.view-toggle {
    display: flex;
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-full);
    padding: 2px;
}

.view-btn {
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: none;
    background: transparent;
    color: var(--color-text-secondary);
    border-radius: var(--radius-full);
    cursor: pointer;
}

.view-btn.active {
    background: var(--color-text);
    color: white;
}

.posts-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

/* ========================================
   Search Page
   ======================================== */
.search-page {
    padding: 80px 0 32px;
    min-height: calc(100vh - 260px);
}

@media (min-width: 768px) {
    .search-page {
        padding: 100px 0 40px;
    }
}

.search-page-header {
    max-width: 600px;
    margin: 0 auto 24px;
}

.search-page-title {
    font-size: 22px;
    font-weight: 600;
    margin-bottom: 16px;
}

.search-page-form {
    margin-bottom: 10px;
}

.search-page-input-wrapper {
    position: relative;
}

.search-page-input-wrapper .search-icon {
    left: 16px;
}

.search-page-input {
    width: 100%;
    padding: 14px 16px 14px 46px;
    font-size: 15px;
    font-family: inherit;
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    outline: none;
    color: var(--color-text);
}

.search-page-input:focus {
    border-color: var(--color-blue);
    box-shadow: 0 0 0 3px rgba(0, 102, 204, 0.08);
}

.search-results-count {
    font-size: 12px;
    color: var(--color-text-secondary);
}

.search-results-count strong {
    color: var(--color-text);
}

.search-empty {
    text-align: center;
    padding: 40px 24px;
}

.search-empty-icon {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-bg);
    border-radius: var(--radius-full);
    margin: 0 auto 16px;
    color: var(--color-text-secondary);
}

.search-empty h3 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 5px;
}

.search-empty p {
    font-size: 13px;
    color: var(--color-text-secondary);
}

.browse-section {
    margin-top: 28px;
}

.browse-title {
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 10px;
}

.browse-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-top: 20px;
}

/* ========================================
   Pagination
   ======================================== */
.pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 5px;
    margin-top: 28px;
}

.pagination-btn {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 8px 12px;
    font-size: 12px;
    font-family: inherit;
    background: transparent;
    border: none;
    border-radius: var(--radius-full);
    color: var(--color-text);
    cursor: pointer;
}

.pagination-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.pagination-numbers {
    display: flex;
    gap: 2px;
}

.pagination-number {
    min-width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    font-family: inherit;
    background: transparent;
    border: none;
    border-radius: var(--radius-full);
    color: var(--color-text);
    cursor: pointer;
}

.pagination-number.active {
    background: var(--color-text);
    color: white;
}

/* ========================================
   404 Page
   ======================================== */
.error-page {
    min-height: calc(100vh - 160px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 80px 24px;
    text-align: center;
}

.error-code {
    font-size: 80px;
    font-weight: 700;
    line-height: 1;
    letter-spacing: -0.04em;
    color: var(--color-text);
    margin-bottom: 10px;
}

@media (min-width: 768px) {
    .error-code {
        font-size: 110px;
    }
}

.error-title {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 6px;
}

.error-text {
    font-size: 13px;
    color: var(--color-text-secondary);
    margin-bottom: 24px;
}

.error-actions {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    margin-bottom: 28px;
}

@media (min-width: 480px) {
    .error-actions {
        flex-direction: row;
        justify-content: center;
    }
}

.error-links {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 6px;
}

.error-link {
    padding: 8px 16px;
    font-size: 12px;
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-full);
    color: var(--color-text);
}

.error-link:hover {
    border-color: var(--color-blue);
    color: var(--color-blue);
}

/* ========================================
   Footer
   ======================================== */
.footer {
    background: var(--color-bg);
    border-top: 1px solid var(--color-border-light);
    padding: 36px 0 18px;
}

.footer-grid {
    display: grid;
    gap: 24px;
    margin-bottom: 28px;
}

@media (min-width: 640px) {
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .footer-grid {
        grid-template-columns: 2fr 1fr 1fr 1.5fr;
    }
}

.footer-text {
    font-size: 13px;
    color: var(--color-text-secondary);
    line-height: 1.6;
    margin: 12px 0;
}

.footer-brand .footer-text {
    max-width: 240px;
}

.social-links {
    display: flex;
    gap: 8px;
}

.social-link {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-white);
    border-radius: var(--radius-full);
    color: var(--color-text-secondary);
    transition: all var(--transition-fast);
}

.social-link:hover {
    color: var(--color-text);
    transform: scale(1.06);
}

.footer-heading {
    font-size: 10px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 12px;
}

.footer-links ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 7px;
}

.footer-links a {
    font-size: 12px;
    color: var(--color-text-secondary);
    transition: color var(--transition-fast);
}

.footer-links a:hover {
    color: var(--color-text);
}

.footer-form {
    display: flex;
    gap: 6px;
}

.footer-form input {
    flex: 1;
    padding: 8px 12px;
    font-size: 12px;
    font-family: inherit;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-full);
    outline: none;
}

.footer-form input:focus {
    border-color: var(--color-blue);
}

.footer-bottom {
    display: flex;
    flex-direction: column;
    gap: 10px;
    padding-top: 18px;
    border-top: 1px solid var(--color-border-light);
    font-size: 11px;
    color: var(--color-text-secondary);
}

@media (min-width: 640px) {
    .footer-bottom {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
    }
}

.footer-legal {
    display: flex;
    gap: 16px;
}

.footer-legal a:hover {
    color: var(--color-text);
}

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

.hidden {
    display: none !important;
}


.lazy-hidden
{
    display: none!important;
}