/* ==========================================================================
   Antigravity Prompt Blog - Core Stylesheet
   Modern, Clean, AI-Themed 3-Column Responsive Design
   ========================================================================== */

:root {
    --font-main: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-code: 'JetBrains Mono', Consolas, Monaco, 'Courier New', monospace;

    /* Color Palette */
    --color-bg: #f8fafc;
    --color-surface: #ffffff;
    --color-surface-hover: #f1f5f9;
    --color-border: #e2e8f0;
    --color-border-light: #edf2f7;

    --color-text: #0f172a;
    --color-text-muted: #64748b;
    --color-text-light: #94a3b8;

    --color-primary: #4f46e5;
    --color-primary-hover: #4338ca;
    --color-primary-subtle: #eef2ff;

    --color-accent: #0ea5e9;
    --color-accent-hover: #0284c7;

    --color-success: #10b981;
    --color-warning: #f59e0b;
    --color-danger: #ef4444;

    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-xl: 20px;

    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.08), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -4px rgba(0, 0, 0, 0.04);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.08), 0 8px 10px -6px rgba(0, 0, 0, 0.04);

    --transition-fast: 150ms ease;
    --transition-normal: 250ms ease;
}

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

body {
    font-family: var(--font-main);
    background-color: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

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

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

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

/* Container */
.container {
    width: 100%;
    max-width: 1360px;
    margin-left: auto;
    margin-right: auto;
    padding-left: 20px;
    padding-right: 20px;
}

/* ==========================================================================
   Header & Navigation
   ========================================================================== */
.site-header {
    background-color: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-top-bar {
    padding: 10px 20px 0;
}

.main-navbar {
    padding: 12px 0;
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.35rem;
    font-weight: 800;
    color: var(--color-text);
    letter-spacing: -0.02em;
}

.brand-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    color: #fff;
    border-radius: var(--radius-md);
    font-size: 1.1rem;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 24px;
    flex: 1;
    justify-content: flex-end;
}

.nav-links {
    display: flex;
    align-items: center;
    list-style: none;
    gap: 18px;
}

.nav-link {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--color-text-muted);
    padding: 8px 12px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    gap: 6px;
    transition: all var(--transition-fast);
}

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

/* Dropdown */
.nav-item.dropdown {
    position: relative;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    list-style: none;
    min-width: 240px;
    padding: 8px;
    display: none;
    opacity: 0;
    transform: translateY(10px);
    transition: all var(--transition-fast);
    z-index: 1010;
}

.nav-item.dropdown:hover .dropdown-menu,
.nav-item.dropdown.show .dropdown-menu {
    display: block;
    opacity: 1;
    transform: translateY(0);
}

.dropdown-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 12px;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-text);
    border-radius: var(--radius-sm);
}

.dropdown-item:hover {
    background-color: var(--color-surface-hover);
    color: var(--color-primary);
}

.badge-count {
    background-color: var(--color-border-light);
    color: var(--color-text-muted);
    font-size: 0.75rem;
    font-weight: 600;
    padding: 2px 7px;
    border-radius: 20px;
}

/* Navbar Search */
.nav-search-form {
    position: relative;
    max-width: 240px;
}

.nav-search-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.nav-search-input {
    width: 100%;
    padding: 8px 12px 8px 34px;
    font-size: 0.88rem;
    font-family: inherit;
    background-color: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: 30px;
    color: var(--color-text);
    transition: all var(--transition-fast);
}

.nav-search-input:focus {
    outline: none;
    border-color: var(--color-primary);
    background-color: #fff;
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.15);
    width: 280px;
}

.search-icon {
    position: absolute;
    left: 12px;
    color: var(--color-text-light);
    pointer-events: none;
    font-size: 0.85rem;
}

.btn-outline-admin {
    padding: 6px 14px;
    font-size: 0.85rem;
    font-weight: 600;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    background: #fff;
    color: var(--color-text);
}

.btn-outline-admin:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

/* Hamburger button */
.nav-toggle-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 6px;
}

.hamburger-bar {
    width: 22px;
    height: 2px;
    background-color: var(--color-text);
    border-radius: 2px;
    transition: var(--transition-fast);
}

/* Mobile Drawer */
.mobile-drawer-overlay {
    position: fixed;
    inset: 0;
    background: rgba(15, 23, 42, 0.5);
    backdrop-filter: blur(2px);
    z-index: 1050;
    display: none;
}

.mobile-nav-drawer {
    position: fixed;
    top: 0;
    right: -320px;
    width: 300px;
    height: 100%;
    background-color: var(--color-surface);
    z-index: 1060;
    box-shadow: var(--shadow-xl);
    padding: 24px;
    overflow-y: auto;
    transition: right var(--transition-normal);
}

.mobile-nav-drawer.open {
    right: 0;
}

.drawer-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
}

.drawer-close-btn {
    background: none;
    border: none;
    font-size: 2rem;
    cursor: pointer;
    line-height: 1;
    color: var(--color-text-muted);
}

.drawer-search-form {
    display: flex;
    gap: 8px;
    margin-bottom: 20px;
}

.drawer-search-input {
    flex: 1;
    padding: 10px 14px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-family: inherit;
    font-size: 0.9rem;
}

.drawer-search-btn {
    padding: 10px 16px;
    background: var(--color-primary);
    color: #fff;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
}

.drawer-nav-list {
    list-style: none;
}

.drawer-nav-list li a {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 0;
    border-bottom: 1px solid var(--color-border-light);
    color: var(--color-text);
    font-weight: 500;
}

.drawer-heading {
    font-size: 0.75rem;
    text-transform: uppercase;
    color: var(--color-text-light);
    font-weight: 700;
    margin-top: 16px;
    margin-bottom: 6px;
    letter-spacing: 0.05em;
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero-section {
    padding: 40px 0 20px;
    text-align: center;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
}

.hero-pill {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 16px;
    background-color: var(--color-primary-subtle);
    color: var(--color-primary);
    font-size: 0.85rem;
    font-weight: 700;
    border-radius: 30px;
    margin-bottom: 16px;
}

.hero-title {
    font-size: 2.5rem;
    font-weight: 800;
    letter-spacing: -0.03em;
    color: var(--color-text);
    line-height: 1.2;
    margin-bottom: 12px;
}

.hero-gradient-text {
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-subtitle {
    font-size: 1.1rem;
    color: var(--color-text-muted);
    margin-bottom: 24px;
    line-height: 1.5;
}

.hero-search-box {
    max-width: 600px;
    margin: 0 auto;
}

.hero-search-wrapper {
    display: flex;
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 40px;
    padding: 6px 8px 6px 20px;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-fast);
}

.hero-search-wrapper:focus-within {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 4px rgba(79, 70, 229, 0.12), var(--shadow-md);
}

.hero-search-input {
    flex: 1;
    border: none;
    outline: none;
    font-family: inherit;
    font-size: 1rem;
    color: var(--color-text);
    background: transparent;
}

.hero-search-btn {
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    color: #fff;
    border: none;
    padding: 10px 22px;
    border-radius: 30px;
    font-weight: 700;
    font-size: 0.95rem;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: opacity var(--transition-fast);
}

.hero-search-btn:hover {
    opacity: 0.92;
}

/* ==========================================================================
   3-Column Main Layout
   ========================================================================== */
.main-layout {
    display: grid;
    grid-template-columns: 260px minmax(0, 1fr) 260px;
    gap: 24px;
    margin-top: 24px;
    margin-bottom: 48px;
    align-items: start;
}

.main-content {
    min-width: 0;
}

/* ==========================================================================
   Sidebar Styles
   ========================================================================== */
.sidebar {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.sidebar-widget {
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 20px;
    box-shadow: var(--shadow-sm);
}

.widget-title {
    font-size: 1rem;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: 14px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.widget-search-form .input-group {
    display: flex;
    gap: 6px;
}

.widget-search-form .form-control {
    flex: 1;
    padding: 8px 12px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-family: inherit;
    font-size: 0.88rem;
}

.widget-search-form .btn {
    padding: 8px 14px;
    background-color: var(--color-primary);
    color: #fff;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
}

.widget-category-list {
    list-style: none;
}

.widget-category-list li a {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 7px 0;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-text-muted);
    border-bottom: 1px solid var(--color-border-light);
}

.widget-category-list li:last-child a {
    border-bottom: none;
}

.widget-category-list li a:hover {
    color: var(--color-primary);
    padding-left: 4px;
}

.widget-post-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

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

.trending-rank {
    font-size: 1.1rem;
    font-weight: 800;
    color: var(--color-text-light);
    width: 22px;
    text-align: center;
    line-height: 1.2;
}

.widget-post-content {
    flex: 1;
}

.widget-post-title {
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--color-text);
    line-height: 1.35;
    display: block;
    margin-bottom: 4px;
}

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

.widget-post-meta {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.75rem;
    color: var(--color-text-muted);
}

.tag-cloud {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.tag-pill {
    background-color: var(--color-bg);
    border: 1px solid var(--color-border);
    color: var(--color-text-muted);
    font-size: 0.8rem;
    font-weight: 600;
    padding: 4px 10px;
    border-radius: 20px;
    transition: all var(--transition-fast);
}

.tag-pill:hover {
    background-color: var(--color-primary-subtle);
    border-color: var(--color-primary);
    color: var(--color-primary);
}

/* Spotlight & Newsletter Cards */
.widget-spotlight {
    background: linear-gradient(145deg, #1e1b4b, #312e81);
    color: #fff;
    border: none;
}

.spotlight-badge {
    display: inline-block;
    background: rgba(255, 255, 255, 0.15);
    color: #fef08a;
    font-size: 0.75rem;
    font-weight: 700;
    padding: 3px 8px;
    border-radius: 12px;
    margin-bottom: 8px;
}

.spotlight-title a {
    color: #fff;
    font-size: 0.95rem;
    font-weight: 700;
}

.spotlight-excerpt {
    font-size: 0.82rem;
    color: #cbd5e1;
    margin: 6px 0;
}

.spotlight-prompt-snippet {
    background: rgba(0, 0, 0, 0.3);
    border-radius: var(--radius-sm);
    padding: 8px 10px;
    font-family: var(--font-code);
    font-size: 0.78rem;
    color: #a5f3fc;
}

.newsletter-card {
    text-align: center;
}

.newsletter-icon {
    width: 44px;
    height: 44px;
    background-color: var(--color-primary-subtle);
    color: var(--color-primary);
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    margin-bottom: 10px;
}

.newsletter-title {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 6px;
}

.newsletter-desc {
    font-size: 0.82rem;
    color: var(--color-text-muted);
    margin-bottom: 12px;
}

.social-button-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
}

.social-btn {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 10px;
    border-radius: var(--radius-sm);
    font-size: 0.8rem;
    font-weight: 600;
    color: #fff;
    justify-content: center;
}

.social-twitter { background-color: #000; }
.social-github { background-color: #24292e; }
.social-discord { background-color: #5865f2; }
.social-youtube { background-color: #ff0000; }

.widget-pro-tip {
    background-color: #fffbeb;
    border-color: #fde68a;
}

.pro-tip-title {
    font-size: 0.9rem;
    font-weight: 700;
    color: #92400e;
    margin-bottom: 6px;
}

.pro-tip-text {
    font-size: 0.82rem;
    color: #78350f;
    line-height: 1.4;
}

/* ==========================================================================
   Prompt Cards & Grid
   ========================================================================== */
.section-heading-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--color-border);
}

.section-title {
    font-size: 1.4rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    display: flex;
    align-items: center;
    gap: 8px;
}

.prompt-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.prompt-card {
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-fast), box-shadow var(--transition-fast), border-color var(--transition-fast);
}

.prompt-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: #cbd5e1;
}

.prompt-card-media {
    position: relative;
    height: 170px;
    background-color: #0f172a;
    overflow: hidden;
}

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

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

.prompt-card-category {
    position: absolute;
    top: 12px;
    left: 12px;
    background-color: rgba(15, 23, 42, 0.75);
    backdrop-filter: blur(4px);
    color: #fff;
    font-size: 0.75rem;
    font-weight: 700;
    padding: 3px 10px;
    border-radius: 20px;
}

.prompt-card-featured-badge {
    position: absolute;
    top: 12px;
    right: 12px;
    background: #eab308;
    color: #000;
    font-size: 0.72rem;
    font-weight: 800;
    padding: 3px 8px;
    border-radius: 12px;
}

.prompt-card-body {
    padding: 18px;
    display: flex;
    flex-direction: column;
    flex: 1;
}

.prompt-card-title {
    font-size: 1.05rem;
    font-weight: 700;
    line-height: 1.35;
    margin-bottom: 8px;
}

.prompt-card-title a {
    color: var(--color-text);
}

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

.prompt-card-excerpt {
    font-size: 0.86rem;
    color: var(--color-text-muted);
    line-height: 1.5;
    margin-bottom: 14px;
    flex: 1;
}

/* Prompt Box Snippet on Card */
.prompt-card-snippet {
    background-color: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    padding: 8px 10px;
    margin-bottom: 14px;
    font-family: var(--font-code);
    font-size: 0.8rem;
    color: #334155;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.prompt-card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-top: 1px solid var(--color-border-light);
    padding-top: 12px;
    font-size: 0.8rem;
    color: var(--color-text-light);
}

.btn-read-more {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-weight: 700;
    font-size: 0.82rem;
    color: var(--color-primary);
}

.btn-read-more:hover {
    color: var(--color-primary-hover);
}

/* ==========================================================================
   Single Prompt Post View
   ========================================================================== */
.post-article-container {
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: 32px;
    box-shadow: var(--shadow-sm);
    margin-bottom: 30px;
}

.post-breadcrumbs {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.85rem;
    color: var(--color-text-muted);
    margin-bottom: 16px;
}

.post-header {
    margin-bottom: 24px;
}

.post-title {
    font-size: 2.2rem;
    font-weight: 800;
    line-height: 1.25;
    letter-spacing: -0.02em;
    margin-bottom: 14px;
}

.post-meta-bar {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 16px;
    font-size: 0.85rem;
    color: var(--color-text-muted);
    padding-bottom: 16px;
    border-bottom: 1px solid var(--color-border-light);
}

.post-meta-item {
    display: flex;
    align-items: center;
    gap: 6px;
}

.post-featured-image-box {
    margin: 20px 0;
    border-radius: var(--radius-lg);
    overflow: hidden;
    max-height: 420px;
    background: #0f172a;
}

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

/* Dedicated Highlighted Prompt Box */
.prompt-box-highlight {
    background: linear-gradient(145deg, #0f172a, #1e293b);
    border: 1px solid #334155;
    border-radius: var(--radius-lg);
    padding: 24px;
    margin: 28px 0;
    color: #f8fafc;
    box-shadow: var(--shadow-md);
    position: relative;
}

.prompt-box-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 14px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    padding-bottom: 10px;
}

.prompt-box-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: #38bdf8;
}

.btn-copy-prompt {
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    color: #fff;
    border: none;
    border-radius: 30px;
    padding: 8px 18px;
    font-size: 0.85rem;
    font-weight: 700;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    box-shadow: 0 2px 6px rgba(14, 165, 233, 0.3);
    transition: all var(--transition-fast);
}

.btn-copy-prompt:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 10px rgba(14, 165, 233, 0.4);
}

.btn-copy-prompt.copied {
    background: #10b981;
}

.prompt-code-body {
    font-family: var(--font-code);
    font-size: 0.95rem;
    line-height: 1.6;
    color: #e2e8f0;
    white-space: pre-wrap;
    word-break: break-word;
    user-select: all;
    background: rgba(0, 0, 0, 0.25);
    padding: 16px;
    border-radius: var(--radius-md);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

/* Article Body Content */
.post-content-body {
    font-size: 1.05rem;
    line-height: 1.75;
    color: #334155;
    margin: 24px 0;
}

.post-content-body h2, .post-content-body h3, .post-content-body h4 {
    color: var(--color-text);
    margin-top: 24px;
    margin-bottom: 12px;
    font-weight: 800;
}

.post-content-body p {
    margin-bottom: 16px;
}

.post-content-body ul, .post-content-body ol {
    margin-left: 24px;
    margin-bottom: 16px;
}

.post-tags-list {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin: 24px 0;
    padding-top: 16px;
    border-top: 1px solid var(--color-border-light);
}

/* Social Share Bar */
.post-share-bar {
    display: flex;
    align-items: center;
    gap: 12px;
    margin: 20px 0;
    padding: 14px 20px;
    background-color: var(--color-bg);
    border-radius: var(--radius-md);
}

.share-label {
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--color-text);
}

.share-btn {
    width: 34px;
    height: 34px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 0.9rem;
}

.share-twitter { background-color: #000; }
.share-linkedin { background-color: #0a66c2; }
.share-facebook { background-color: #1877f2; }
.share-whatsapp { background-color: #25d366; }

/* Previous / Next Post Navigation */
.post-pagination-nav {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin: 30px 0;
}

.prev-post-card, .next-post-card {
    padding: 16px;
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    display: flex;
    flex-direction: column;
}

.prev-post-card:hover, .next-post-card:hover {
    border-color: var(--color-primary);
}

.nav-direction {
    font-size: 0.75rem;
    text-transform: uppercase;
    font-weight: 700;
    color: var(--color-text-light);
    margin-bottom: 4px;
}

.nav-post-title {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--color-text);
}

/* ==========================================================================
   Advertisements System Placements
   ========================================================================== */
.ad-container {
    margin: 16px auto;
    text-align: center;
    overflow: hidden;
}

.ad-placeholder-banner {
    background: #f8fafc;
    border: 1px dashed #cbd5e1;
    border-radius: var(--radius-md);
    padding: 18px;
    text-align: center;
    position: relative;
}

.ad-placeholder-sidebar {
    background: #f8fafc;
    border: 1px dashed #cbd5e1;
    border-radius: var(--radius-md);
    padding: 16px;
    text-align: center;
    position: relative;
}

.ad-placeholder-incontent {
    background: #f8fafc;
    border: 1px dashed #cbd5e1;
    border-radius: var(--radius-md);
    padding: 20px;
    margin: 24px 0;
    text-align: center;
    position: relative;
}

.ad-badge {
    position: absolute;
    top: 6px;
    right: 8px;
    font-size: 0.65rem;
    text-transform: uppercase;
    font-weight: 700;
    letter-spacing: 0.05em;
    color: var(--color-text-light);
    background: rgba(255, 255, 255, 0.8);
    padding: 2px 6px;
    border-radius: 4px;
}

.ad-demo-box {
    font-size: 0.85rem;
    font-weight: 600;
    color: #94a3b8;
    padding: 12px;
}

/* ==========================================================================
   Pagination Component
   ========================================================================== */
.pagination-wrapper {
    margin: 30px 0;
    display: flex;
    justify-content: center;
}

.pagination {
    display: flex;
    list-style: none;
    gap: 6px;
}

.page-link {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 8px 14px;
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    color: var(--color-text);
    font-weight: 600;
    font-size: 0.88rem;
}

.page-item.active .page-link {
    background-color: var(--color-primary);
    border-color: var(--color-primary);
    color: #fff;
}

.page-item.disabled .page-link {
    color: var(--color-text-light);
    pointer-events: none;
    background-color: var(--color-bg);
}

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer {
    background-color: #0f172a;
    color: #e2e8f0;
    margin-top: auto;
    border-top: 1px solid #1e293b;
}

.footer-content-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    padding: 50px 20px 40px;
}

.footer-col-brand .footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    color: #fff;
    font-size: 1.3rem;
    font-weight: 800;
    margin-bottom: 12px;
}

.footer-desc {
    color: #94a3b8;
    font-size: 0.88rem;
    line-height: 1.6;
    margin-bottom: 18px;
    max-width: 360px;
}

.footer-social-links {
    display: flex;
    gap: 10px;
}

.footer-social-links a {
    width: 36px;
    height: 36px;
    background-color: #1e293b;
    color: #e2e8f0;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 0.95rem;
    transition: all var(--transition-fast);
}

.footer-social-links a:hover {
    background-color: var(--color-primary);
    color: #fff;
}

.footer-heading {
    font-size: 0.95rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 16px;
    letter-spacing: -0.01em;
}

.footer-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer-links a {
    color: #94a3b8;
    font-size: 0.88rem;
    display: flex;
    align-items: center;
    gap: 6px;
}

.footer-links a:hover {
    color: #fff;
    padding-left: 3px;
}

.footer-bottom {
    border-top: 1px solid #1e293b;
    padding: 20px 0;
}

.footer-bottom-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 0.82rem;
    color: #64748b;
}

/* ==========================================================================
   Interactive Elements & Floating Buttons
   ========================================================================== */
.back-to-top-btn {
    position: fixed;
    bottom: 24px;
    right: 24px;
    width: 44px;
    height: 44px;
    background-color: var(--color-primary);
    color: #fff;
    border: none;
    border-radius: 50%;
    box-shadow: var(--shadow-lg);
    cursor: pointer;
    font-size: 1.1rem;
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 999;
    transition: all var(--transition-fast);
}

.back-to-top-btn:hover {
    transform: translateY(-3px);
    background-color: var(--color-primary-hover);
}

/* Toast Notifications */
.toast-notification {
    position: fixed;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    background-color: #0f172a;
    color: #fff;
    padding: 12px 24px;
    border-radius: 40px;
    font-size: 0.9rem;
    font-weight: 600;
    box-shadow: var(--shadow-xl);
    z-index: 2000;
    opacity: 0;
    transition: transform var(--transition-normal), opacity var(--transition-normal);
    display: flex;
    align-items: center;
}

.toast-notification.show {
    transform: translateX(-50%) translateY(0);
    opacity: 1;
}

/* Form Controls & General Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 8px 16px;
    font-weight: 600;
    font-size: 0.88rem;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
    border: 1px solid transparent;
}

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

.btn-accent {
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    color: #fff;
}
.btn-accent:hover {
    opacity: 0.92;
}

.btn-outline-primary {
    border-color: var(--color-primary);
    color: var(--color-primary);
    background: transparent;
}
.btn-outline-primary:hover {
    background-color: var(--color-primary);
    color: #fff;
}

.badge {
    display: inline-block;
    padding: 3px 8px;
    font-size: 0.72rem;
    font-weight: 700;
    border-radius: 4px;
}

.badge-subtle {
    background-color: var(--color-primary-subtle);
    color: var(--color-primary);
}

.alert {
    padding: 12px 16px;
    border-radius: var(--radius-md);
    margin-bottom: 16px;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.alert-success { background-color: #ecfdf5; color: #065f46; border: 1px solid #a7f3d0; }
.alert-danger { background-color: #fef2f2; color: #991b1b; border: 1px solid #fecaca; }
.alert-warning { background-color: #fffbeb; color: #92400e; border: 1px solid #fde68a; }
.alert-info { background-color: #eff6ff; color: #1e40af; border: 1px solid #bfdbfe; }

/* ==========================================================================
   Responsive Breakpoints
   ========================================================================== */
@media (max-width: 1120px) {
    .main-layout {
        grid-template-columns: 240px minmax(0, 1fr);
    }
    .sidebar-right {
        grid-column: 1 / -1;
        display: grid;
        grid-template-columns: 1fr 1fr;
    }
    .footer-content-grid {
        grid-template-columns: 1fr 1fr;
        gap: 30px;
    }
}

@media (max-width: 860px) {
    .nav-menu {
        display: none;
    }
    .nav-toggle-btn {
        display: flex;
    }
    .main-layout {
        grid-template-columns: 1fr;
    }
    .sidebar-right {
        grid-template-columns: 1fr;
    }
    .hero-title {
        font-size: 2rem;
    }
    .post-title {
        font-size: 1.7rem;
    }
    .post-article-container {
        padding: 20px;
    }
    .footer-content-grid {
        grid-template-columns: 1fr;
    }
    .footer-bottom-inner {
        flex-direction: column;
        gap: 8px;
        text-align: center;
    }
    .post-pagination-nav {
        grid-template-columns: 1fr;
    }
}

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