/**
 * Free IT Nest - Main Stylesheet
 * Modern, responsive design with clean aesthetics
 */

/* Custom Properties */
:root {
    --primary-color: #007bff;
    --secondary-color: #6c757d;
    --success-color: #28a745;
    --info-color: #17a2b8;
    --warning-color: #ffc107;
    --danger-color: #dc3545;
    --light-color: #f8f9fa;
    --dark-color: #343a40;
    
    /* Light Mode Colors */
    --bg-color: #ffffff;
    --text-color: #343a40;
    --card-bg: #ffffff;
    --border-color: #dee2e6;
    --navbar-bg: #0d6efd;
    --footer-bg: linear-gradient(135deg, #2c3e50 0%, #34495e 100%);
    
    --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-secondary: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --gradient-success: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.1);
    --shadow-md: 0 4px 6px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 25px rgba(0,0,0,0.1);
    
    --border-radius: 8px;
    --transition: all 0.3s ease;
}

/* Dark Mode Theme */
[data-theme="dark"] {
    --primary-color: #5dade2;
    --secondary-color: #95a5a6;
    --success-color: #58d68d;
    --info-color: #5dccdb;
    --warning-color: #f7dc6f;
    --danger-color: #ec7063;
    --light-color: #34495e;
    --dark-color: #ffffff;
    
    /* Dark Mode Colors - Enhanced for better readability */
    --bg-color: #1e1e1e;
    --text-color: #f8f9fa;
    --card-bg: #2c2c2c;
    --border-color: #4a4a4a;
    --navbar-bg: #0d6efd;
    --footer-bg: linear-gradient(135deg, #1a1a1a 0%, #2c2c2c 100%);
    
    /* Enhanced shadows for dark mode */
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.5);
    --shadow-md: 0 4px 6px rgba(0,0,0,0.5);
    --shadow-lg: 0 10px 25px rgba(0,0,0,0.5);
}

/* Global Styles */
body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--bg-color);
    transition: var(--transition);
}

/* Dark Mode Toggle Button */
.theme-toggle {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 1050;
    background: var(--primary-color);
    border: none;
    border-radius: 50%;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.2rem;
    box-shadow: var(--shadow-lg);
    transition: var(--transition);
    cursor: pointer;
}

.theme-toggle:hover {
    transform: scale(1.1);
    background: var(--success-color);
}

.theme-toggle i {
    transition: var(--transition);
}

/* Advertising Link Styling */
.ad-link {
    position: relative;
    display: inline-block;
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
}

.ad-link:hover {
    color: var(--success-color);
    transform: translateX(3px);
}

.ad-link::after {
    content: '🔗';
    margin-left: 5px;
    font-size: 0.8em;
    opacity: 0.7;
}

.ad-link:hover::after {
    opacity: 1;
    transform: scale(1.2);
}

/* External Link Animation */
.external-link {
    position: relative;
    overflow: hidden;
}

.external-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s;
}

.external-link:hover::before {
    left: 100%;
}

/* Auto Advertising System Styles */
.auto-ad-notification {
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,0.2);
}

.auto-ad-content {
    display: flex;
    align-items: center;
    position: relative;
}

.auto-ad-indicator {
    backdrop-filter: blur(5px);
    border: 1px solid rgba(255,255,255,0.2);
    user-select: none;
}

.auto-ad-indicator:hover {
    transform: scale(1.05);
}

/* Button click animation for auto ads */
.btn-auto-ad-clicked {
    animation: autoAdPulse 0.3s ease-in-out;
}

@keyframes autoAdPulse {
    0% { transform: scale(1); }
    50% { transform: scale(0.95); box-shadow: 0 0 20px rgba(40, 167, 69, 0.5); }
    100% { transform: scale(1); }
}

/* Auto advertising progress bar */
.auto-ad-progress {
    animation: progressFill 1s ease-out forwards;
}

@keyframes progressFill {
    from { width: 0%; }
    to { width: 100%; }
}

/* Success notification styling */
.auto-ad-success {
    animation: slideInRight 0.3s ease-out;
}

@keyframes slideInRight {
    from { transform: translateX(100%); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}

/* Auto advertising counter animations */
.counter-update {
    animation: counterBounce 0.5s ease-in-out;
}

@keyframes counterBounce {
    0% { transform: scale(1); }
    50% { transform: scale(1.2); color: var(--success-color); }
    100% { transform: scale(1); }
}

/* Dark mode compatibility for auto advertising */
[data-theme="dark"] .auto-ad-notification {
    background: linear-gradient(135deg, #51cf66, #20c997) !important;
    border-color: rgba(255,255,255,0.3);
}

[data-theme="dark"] .auto-ad-indicator {
    background: rgba(77, 171, 247, 0.9) !important;
    border-color: rgba(255,255,255,0.3);
}

/* Mobile responsive auto advertising */
@media (max-width: 768px) {
    .auto-ad-notification {
        right: 10px !important;
        left: 10px !important;
        min-width: auto !important;
        max-width: calc(100vw - 20px) !important;
    }
    
    .auto-ad-indicator {
        right: 10px !important;
        top: 60px !important;
        font-size: 10px !important;
        padding: 4px 8px !important;
    }
}

/* Smooth scrolling */
html {
    scroll-behavior: smooth;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: 1rem;
}

.display-1, .display-2, .display-3, .display-4, .display-5, .display-6 {
    font-weight: 700;
}

/* Links */
a {
    color: var(--primary-color);
    text-decoration: none;
    transition: var(--transition);
}

a:hover {
    color: #0056b3;
}

/* Buttons */
.btn {
    border-radius: var(--border-radius);
    font-weight: 500;
    padding: 0.5rem 1.5rem;
    transition: var(--transition);
    border: none;
    text-transform: none;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-primary {
    background: var(--gradient-primary);
    border: none;
}

.btn-primary:hover {
    background: linear-gradient(135deg, #5a6fd8 0%, #6a4190 100%);
}

.btn-lg {
    padding: 0.75rem 2rem;
    font-size: 1.1rem;
}

.btn-sm {
    padding: 0.25rem 1rem;
    font-size: 0.875rem;
}

/* Cards */
.card {
    border: none;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    overflow: hidden;
    background-color: var(--card-bg);
    color: var(--text-color);
}

.hover-shadow:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.card-header {
    background-color: var(--card-bg);
    border-bottom: 1px solid var(--border-color);
    font-weight: 600;
    color: var(--text-color);
}

/* Navigation */
.navbar {
    padding: 1rem 0;
    box-shadow: var(--shadow-sm);
    background-color: var(--navbar-bg) !important;
    transition: var(--transition);
}

.navbar-brand {
    font-size: 1.5rem;
    font-weight: 700;
    color: #ffffff !important;
}

.nav-link {
    font-weight: 500;
    padding: 0.5rem 1rem !important;
    border-radius: var(--border-radius);
    transition: var(--transition);
    color: #ffffff !important;
}

.nav-link:hover {
    background-color: rgba(255, 255, 255, 0.1) !important;
    color: #ffffff !important;
}

/* Navbar specific overrides for blue theme */
.navbar-dark .navbar-nav .nav-link {
    color: #ffffff !important;
}

.navbar-dark .navbar-nav .nav-link:hover {
    color: #ffffff !important;
    background-color: rgba(255, 255, 255, 0.1) !important;
}

.navbar-dark .navbar-nav .nav-link.active {
    color: #ffffff !important;
    background-color: rgba(255, 255, 255, 0.2) !important;
}

.navbar-dark .navbar-brand {
    color: #ffffff !important;
}

.navbar-dark .navbar-toggler {
    border-color: rgba(255, 255, 255, 0.3) !important;
}

.navbar-dark .navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%28255, 255, 255, 0.8%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e") !important;
}

.dropdown-menu {
    border: none;
    box-shadow: var(--shadow-lg);
    border-radius: var(--border-radius);
    background-color: var(--card-bg);
}

.dropdown-item {
    padding: 0.5rem 1rem;
    transition: var(--transition);
    color: var(--text-color);
}

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

/* Hero Section */
.hero-section {
    background: var(--gradient-primary);
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1000 100" fill="%23ffffff" opacity="0.1"><path d="M0 1v99c134.3 0 153.7-99 296-99S629.3 100 772 100s137.7-99 228-99v-1z"/></svg>') repeat-x bottom;
    background-size: 100% 100px;
}

.stat-card {
    text-align: center;
    padding: 1.5rem;
    border-radius: var(--border-radius);
    background: rgba(255,255,255,0.1);
    backdrop-filter: blur(10px);
    transition: var(--transition);
}

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

/* Category Cards */
.category-card {
    transition: var(--transition);
    border-radius: var(--border-radius);
}

.category-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.category-icon {
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.category-card .card-body {
    padding: 2rem 1rem;
}

/* Software Cards */
.software-card {
    transition: var(--transition);
    height: 100%;
}

.software-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.software-card .card-img-top {
    transition: var(--transition);
}

.software-card:hover .card-img-top {
    transform: scale(1.05);
}

.software-meta {
    font-size: 0.875rem;
}

.os-badges .badge {
    font-size: 0.75rem;
    padding: 0.25rem 0.5rem;
}

/* News Cards */
.news-card {
    transition: var(--transition);
}

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

.featured-news-card:hover {
    transform: translateY(-5px);
}

.news-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.5rem;
}

/* Article Styles */
.article-header {
    margin-bottom: 2rem;
}

.article-title {
    line-height: 1.2;
    margin-bottom: 1rem;
}

.article-meta {
    padding: 1rem 0;
    border-top: 1px solid #e9ecef;
    border-bottom: 1px solid #e9ecef;
}

.article-content {
    font-size: 1.1rem;
    line-height: 1.8;
}

.article-content p {
    margin-bottom: 1.5rem;
}

.article-footer {
    background-color: var(--light-color);
    padding: 2rem;
    border-radius: var(--border-radius);
    margin-top: 2rem;
}

/* Forms */
.form-control {
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
    padding: 0.75rem 1rem;
    transition: var(--transition);
    background-color: var(--card-bg);
    color: var(--text-color);
}

.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(0,123,255,0.25);
    background-color: var(--card-bg);
    color: var(--text-color);
}

.form-select {
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
    transition: var(--transition);
    background-color: var(--card-bg);
    color: var(--text-color);
}

.input-group-text {
    background-color: var(--light-color);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    color: var(--text-color);
}

/* Search */
.search-form .form-control {
    border-radius: var(--border-radius) 0 0 var(--border-radius);
}

.search-form .btn {
    border-radius: 0 var(--border-radius) var(--border-radius) 0;
}

/* Pagination */
.pagination {
    margin-top: 2rem;
}

.page-link {
    border: none;
    padding: 0.75rem 1rem;
    margin: 0 0.25rem;
    border-radius: var(--border-radius);
    color: var(--primary-color);
    background-color: #ffffff;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.page-link:hover {
    background-color: var(--primary-color);
    color: #ffffff;
    transform: translateY(-2px);
}

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

/* Badges */
.badge {
    border-radius: var(--border-radius);
    font-weight: 500;
    padding: 0.5rem 0.75rem;
}

/* Alerts */
.alert {
    border: none;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
}

/* Footer */
footer {
    background: var(--footer-bg);
    color: #ffffff;
}

footer a {
    color: #ffffff !important;
    transition: var(--transition);
    opacity: 0.75;
}

footer a:hover {
    color: #ffffff !important;
    opacity: 1;
    text-decoration: underline !important;
}

.social-links a {
    display: inline-block;
    padding: 0.5rem;
    border-radius: 50%;
    background-color: rgba(255,255,255,0.1);
    transition: var(--transition);
}

.social-links a:hover {
    background-color: rgba(255,255,255,0.2);
    transform: translateY(-2px);
}

/* Back to Top Button */
#backToTop {
    border-radius: 50%;
    width: 50px;
    height: 50px;
    box-shadow: var(--shadow-lg);
    border: none;
    transition: var(--transition);
}

#backToTop:hover {
    transform: translateY(-5px);
}

/* Breadcrumb */
.breadcrumb {
    background-color: transparent;
    padding: 0;
    margin-bottom: 1rem;
}

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

.breadcrumb-item.active {
    color: var(--secondary-color);
}

/* List Groups */
.list-group-item {
    border: none;
    border-bottom: 1px solid #e9ecef;
    padding: 1rem 0;
    transition: var(--transition);
}

.list-group-item:hover {
    background-color: var(--light-color);
}

.list-group-item:last-child {
    border-bottom: none;
}

/* Loading Animation */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(0,123,255,0.3);
    border-radius: 50%;
    border-top-color: var(--primary-color);
    animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-section {
        text-align: center;
        padding: 3rem 0;
    }
    
    .hero-section .display-4 {
        font-size: 2rem;
    }
    
    .stat-card {
        margin-bottom: 1rem;
    }
    
    .software-card,
    .news-card,
    .category-card {
        margin-bottom: 1.5rem;
    }
    
    .article-content {
        font-size: 1rem;
    }
    
    .btn-group-vertical .btn {
        margin-bottom: 0.5rem;
    }
}

@media (max-width: 576px) {
    .container {
        padding-left: 15px;
        padding-right: 15px;
    }
    
    .hero-section .btn {
        display: block;
        width: 100%;
        margin-bottom: 0.5rem;
    }
    
    .news-meta {
        flex-direction: column;
        align-items: flex-start;
    }
}

/* Enhanced Dark Mode Support */
[data-theme="dark"] .article-content .content-body blockquote,
[data-theme="dark"] .content-body blockquote {
    background-color: var(--card-bg);
    border-left-color: var(--primary-color);
    color: var(--text-color);
}

[data-theme="dark"] .article-content .content-body pre,
[data-theme="dark"] .content-body pre {
    background-color: var(--card-bg);
    border-color: var(--border-color);
    color: var(--text-color);
}

[data-theme="dark"] .article-content .content-body code,
[data-theme="dark"] .content-body code {
    background-color: var(--card-bg);
    color: var(--text-color);
}

[data-theme="dark"] .article-content .content-body th,
[data-theme="dark"] .content-body th {
    background-color: var(--primary-color);
    color: #ffffff;
}

[data-theme="dark"] .article-content .content-body td,
[data-theme="dark"] .content-body td {
    border-color: var(--border-color);
    color: var(--text-color);
}

/* Dark Mode Text Enhancements */
[data-theme="dark"] {
    color-scheme: dark;
}

[data-theme="dark"] body {
    background-color: var(--bg-color);
    color: var(--text-color);
}

[data-theme="dark"] h1,
[data-theme="dark"] h2,
[data-theme="dark"] h3,
[data-theme="dark"] h4,
[data-theme="dark"] h5,
[data-theme="dark"] h6 {
    color: var(--text-color);
}

[data-theme="dark"] p,
[data-theme="dark"] span,
[data-theme="dark"] div {
    color: var(--text-color);
}

[data-theme="dark"] .text-muted {
    color: #adb5bd !important;
}

[data-theme="dark"] .text-dark {
    color: var(--text-color) !important;
}

[data-theme="dark"] .navbar-brand,
[data-theme="dark"] .nav-link {
    color: var(--text-color) !important;
}

[data-theme="dark"] .dropdown-menu {
    background-color: var(--card-bg);
    border-color: var(--border-color);
}

[data-theme="dark"] .dropdown-item {
    color: var(--text-color);
}

[data-theme="dark"] .dropdown-item:hover {
    background-color: var(--light-color);
    color: var(--text-color);
}

[data-theme="dark"] .card-title,
[data-theme="dark"] .card-text {
    color: var(--text-color);
}

[data-theme="dark"] .btn-outline-primary {
    color: var(--primary-color);
    border-color: var(--primary-color);
}

[data-theme="dark"] .btn-outline-primary:hover {
    background-color: var(--primary-color);
    color: #ffffff;
}

[data-theme="dark"] .alert {
    border-color: var(--border-color);
}

[data-theme="dark"] .alert-info {
    background-color: rgba(93, 204, 219, 0.1);
    border-color: var(--info-color);
    color: var(--text-color);
}

[data-theme="dark"] .alert-success {
    background-color: rgba(88, 214, 141, 0.1);
    border-color: var(--success-color);
    color: var(--text-color);
}

[data-theme="dark"] .alert-warning {
    background-color: rgba(247, 220, 111, 0.1);
    border-color: var(--warning-color);
    color: var(--text-color);
}

[data-theme="dark"] .alert-danger {
    background-color: rgba(236, 112, 99, 0.1);
    border-color: var(--danger-color);
    color: var(--text-color);
}

[data-theme="dark"] .breadcrumb-item a {
    color: var(--primary-color);
}

[data-theme="dark"] .breadcrumb-item.active {
    color: var(--text-color);
}

[data-theme="dark"] .pagination .page-link {
    background-color: var(--card-bg);
    border-color: var(--border-color);
    color: var(--text-color);
}

[data-theme="dark"] .pagination .page-link:hover {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    color: #ffffff;
}

[data-theme="dark"] .pagination .page-item.active .page-link {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    color: #ffffff;
}

/* Theme Transition Animation */
* {
    transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease;
}

/* Custom Scrollbar Dark Mode */
[data-theme="dark"] ::-webkit-scrollbar-track {
    background: var(--card-bg);
}

[data-theme="dark"] ::-webkit-scrollbar-thumb {
    background: var(--primary-color);
}

/* List Group Dark Mode */
[data-theme="dark"] .list-group-item {
    background-color: var(--card-bg);
    border-color: var(--border-color);
    color: var(--text-color);
}

[data-theme="dark"] .list-group-item:hover {
    background-color: var(--light-color);
}

/* Dark Mode Form Improvements */
[data-theme="dark"] .form-control {
    background-color: var(--card-bg);
    border-color: var(--border-color);
    color: var(--text-color);
}

[data-theme="dark"] .form-control:focus {
    background-color: var(--card-bg);
    border-color: var(--primary-color);
    color: var(--text-color);
    box-shadow: 0 0 0 0.2rem rgba(93, 173, 226, 0.25);
}

[data-theme="dark"] .form-control::placeholder {
    color: #adb5bd;
    opacity: 1;
}

[data-theme="dark"] .form-select {
    background-color: var(--card-bg);
    border-color: var(--border-color);
    color: var(--text-color);
}

[data-theme="dark"] .form-label {
    color: var(--text-color);
}

[data-theme="dark"] .input-group-text {
    background-color: var(--light-color);
    border-color: var(--border-color);
    color: var(--text-color);
}

/* Dark Mode Table Improvements */
[data-theme="dark"] .table {
    color: var(--text-color);
}

[data-theme="dark"] .table td,
[data-theme="dark"] .table th {
    border-color: var(--border-color);
}

[data-theme="dark"] .table-striped > tbody > tr:nth-of-type(odd) > td,
[data-theme="dark"] .table-striped > tbody > tr:nth-of-type(odd) > th {
    background-color: rgba(255, 255, 255, 0.05);
}

/* Dark Mode Button Improvements */
[data-theme="dark"] .btn-outline-secondary {
    color: var(--secondary-color);
    border-color: var(--secondary-color);
}

[data-theme="dark"] .btn-outline-success {
    color: var(--success-color);
    border-color: var(--success-color);
}

[data-theme="dark"] .btn-outline-info {
    color: var(--info-color);
    border-color: var(--info-color);
}

[data-theme="dark"] .btn-outline-warning {
    color: var(--warning-color);
    border-color: var(--warning-color);
}

[data-theme="dark"] .btn-outline-danger {
    color: var(--danger-color);
    border-color: var(--danger-color);
}

[data-theme="dark"] .btn-outline-dark {
    color: var(--text-color);
    border-color: var(--border-color);
}

/* Dark Mode Badge Improvements */
[data-theme="dark"] .badge {
    color: #ffffff;
}

[data-theme="dark"] .badge.bg-light {
    background-color: var(--light-color) !important;
    color: var(--text-color) !important;
}

[data-theme="dark"] .badge.bg-dark {
    background-color: var(--text-color) !important;
    color: var(--bg-color) !important;
}

/* Dark Mode Link Improvements */
[data-theme="dark"] a {
    color: var(--primary-color);
}

[data-theme="dark"] a:hover {
    color: #85c1f0;
}

/* Dark Mode Modal Improvements */
[data-theme="dark"] .modal-content {
    background-color: var(--card-bg);
    border-color: var(--border-color);
}

[data-theme="dark"] .modal-header {
    border-bottom-color: var(--border-color);
}

[data-theme="dark"] .modal-footer {
    border-top-color: var(--border-color);
}

[data-theme="dark"] .modal-title {
    color: var(--text-color);
}

/* Dark Mode Accordion Improvements */
[data-theme="dark"] .accordion-item {
    background-color: var(--card-bg);
    border-color: var(--border-color);
}

[data-theme="dark"] .accordion-button {
    background-color: var(--card-bg);
    color: var(--text-color);
    border-color: var(--border-color);
}

[data-theme="dark"] .accordion-button:not(.collapsed) {
    background-color: var(--light-color);
    color: var(--text-color);
}

[data-theme="dark"] .accordion-body {
    color: var(--text-color);
}

/* Dark Mode Tooltip and Popover */
[data-theme="dark"] .tooltip-inner {
    background-color: var(--card-bg);
    color: var(--text-color);
}

[data-theme="dark"] .popover {
    background-color: var(--card-bg);
    border-color: var(--border-color);
}

[data-theme="dark"] .popover-header {
    background-color: var(--light-color);
    border-bottom-color: var(--border-color);
    color: var(--text-color);
}

[data-theme="dark"] .popover-body {
    color: var(--text-color);
}

/* Dark Mode Carousel Improvements */
[data-theme="dark"] .carousel-caption {
    color: var(--text-color);
}

[data-theme="dark"] .carousel-control-prev-icon,
[data-theme="dark"] .carousel-control-next-icon {
    filter: invert(1);
}

/* Dark Mode Progress Bar */
[data-theme="dark"] .progress {
    background-color: var(--light-color);
}

/* Dark Mode Text Selection */
[data-theme="dark"] ::selection {
    background-color: rgba(93, 173, 226, 0.3);
    color: var(--text-color);
}

[data-theme="dark"] ::-moz-selection {
    background-color: rgba(93, 173, 226, 0.3);
    color: var(--text-color);
}

/* Print Styles */
@media print {
    .navbar,
    .btn,
    .pagination,
    footer,
    #backToTop {
        display: none !important;
    }
    
    .container {
        max-width: none;
        margin: 0;
        padding: 0;
    }
    
    .card {
        box-shadow: none;
        border: 1px solid #dee2e6;
    }
    
    a {
        color: #000 !important;
        text-decoration: none !important;
    }
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
}

::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #0056b3;
}

/* Selection */
::selection {
    background-color: var(--primary-color);
    color: #ffffff;
}

::-moz-selection {
    background-color: var(--primary-color);
    color: #ffffff;
}

/* Focus Styles */
.btn:focus,
.form-control:focus,
.form-select:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(0,123,255,0.25);
}

/* Utility Classes */
.text-gradient {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.bg-gradient-primary {
    background: var(--gradient-primary);
}

.bg-gradient-secondary {
    background: var(--gradient-secondary);
}

.bg-gradient-success {
    background: var(--gradient-success);
}

.shadow-custom {
    box-shadow: var(--shadow-lg);
}

.border-radius-custom {
    border-radius: var(--border-radius);
}

/* Software Description and Features Styling */
.software-description,
.software-features {
    line-height: 1.7;
    font-size: 1rem;
}

.software-description p,
.software-features p {
    margin-bottom: 1rem;
    text-align: justify;
}

.software-description strong,
.software-features strong {
    font-weight: 600;
    color: var(--dark-color);
}

.software-description ul,
.software-features ul {
    margin: 1rem 0;
    padding-left: 1.5rem;
}

.software-description li,
.software-features li {
    margin-bottom: 0.5rem;
    line-height: 1.6;
}

.software-description h3,
.software-description h4,
.software-description h5,
.software-features h3,
.software-features h4,
.software-features h5 {
    margin-top: 1.5rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

/* News Article Content Styling */
.article-content .content-body,
.content-body {
    line-height: 1.7;
    font-size: 1rem;
}

.article-content .content-body p,
.content-body p {
    margin-bottom: 1rem;
    text-align: justify;
}

.article-content .content-body strong,
.content-body strong {
    font-weight: 600;
    color: var(--dark-color);
}

.article-content .content-body ul,
.article-content .content-body ol,
.content-body ul,
.content-body ol {
    margin: 1rem 0;
    padding-left: 1.5rem;
}

.article-content .content-body li,
.content-body li {
    margin-bottom: 0.5rem;
    line-height: 1.6;
}

.article-content .content-body h3,
.article-content .content-body h4,
.article-content .content-body h5,
.content-body h3,
.content-body h4,
.content-body h5 {
    margin-top: 1.5rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.article-content .content-body img,
.content-body img {
    max-width: 100%;
    height: auto;
    margin: 1rem 0;
    border-radius: 8px;
}

.article-content .content-body a,
.content-body a {
    color: var(--primary-color);
    text-decoration: underline;
}

.article-content .content-body a:hover,
.content-body a:hover {
    color: var(--dark-color);
}

/* Enhanced Rich Content Styling */
.article-content .content-body blockquote,
.content-body blockquote {
    border-left: 4px solid var(--primary-color);
    padding-left: 1rem;
    margin: 1.5rem 0;
    background-color: #f8f9fa;
    padding: 1rem;
    border-radius: 0 8px 8px 0;
    font-style: italic;
}

.article-content .content-body pre,
.content-body pre {
    background-color: #f8f9fa;
    padding: 1rem;
    border-radius: 8px;
    overflow-x: auto;
    margin: 1rem 0;
    border: 1px solid #e9ecef;
}

.article-content .content-body code,
.content-body code {
    background-color: #f8f9fa;
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    font-family: 'Courier New', monospace;
    font-size: 0.9em;
}

.article-content .content-body table,
.content-body table {
    width: 100%;
    margin: 1.5rem 0;
    border-collapse: collapse;
    border: 1px solid #dee2e6;
}

.article-content .content-body th,
.article-content .content-body td,
.content-body th,
.content-body td {
    padding: 0.75rem;
    border: 1px solid #dee2e6;
    text-align: left;
}

.article-content .content-body th,
.content-body th {
    background-color: var(--primary-color);
    color: white;
    font-weight: 600;
}

.article-content .content-body hr,
.content-body hr {
    margin: 2rem 0;
    border: none;
    height: 2px;
    background: linear-gradient(90deg, var(--primary-color), transparent);
}

/* Custom Button Styling for News Articles */
.custom-button-section {
    margin: 2rem 0;
}

.custom-button-section .card {
    background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
    border: 2px solid var(--primary-color);
    box-shadow: 0 4px 15px rgba(0, 123, 255, 0.1);
}

.custom-button-section .btn {
    padding: 12px 30px;
    font-size: 1.1rem;
    font-weight: 600;
    border-radius: 50px;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(0, 123, 255, 0.3);
}

.custom-button-section .btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 123, 255, 0.4);
}

.custom-button-section .btn i {
    transition: transform 0.3s ease;
}

.custom-button-section .btn:hover i {
    transform: translateX(3px);
}

/* =================================================================
   COMPREHENSIVE DARK MODE TEXT READABILITY IMPROVEMENTS
   Enhanced contrast and visibility for all text elements
   ================================================================= */

/* Dark Mode - Global Text Improvements */
[data-theme="dark"] {
    color-scheme: dark;
}

[data-theme="dark"] * {
    color: inherit !important;
}

[data-theme="dark"] body,
[data-theme="dark"] .container,
[data-theme="dark"] .container-fluid {
    background-color: #1a1a1a !important;
    color: #ffffff !important;
}

/* Dark Mode - Typography */
[data-theme="dark"] h1,
[data-theme="dark"] h2,
[data-theme="dark"] h3,
[data-theme="dark"] h4,
[data-theme="dark"] h5,
[data-theme="dark"] h6 {
    color: #ffffff !important;
    font-weight: 600;
}

[data-theme="dark"] p,
[data-theme="dark"] div,
[data-theme="dark"] span,
[data-theme="dark"] li,
[data-theme="dark"] td,
[data-theme="dark"] th {
    color: #f8f9fa !important;
}

[data-theme="dark"] .lead {
    color: #ffffff !important;
    font-weight: 500;
}

[data-theme="dark"] small,
[data-theme="dark"] .small {
    color: #e9ecef !important;
}

/* Dark Mode - Cards and Components */
[data-theme="dark"] .card {
    background-color: #2d2d2d !important;
    border-color: #4a4a4a !important;
    color: #ffffff !important;
}

[data-theme="dark"] .card-header,
[data-theme="dark"] .card-footer {
    background-color: #353535 !important;
    border-color: #4a4a4a !important;
    color: #ffffff !important;
}

[data-theme="dark"] .card-title,
[data-theme="dark"] .card-subtitle {
    color: #ffffff !important;
}

[data-theme="dark"] .card-text {
    color: #f8f9fa !important;
}

/* Dark Mode - Navigation */
[data-theme="dark"] .navbar {
    background-color: #2d2d2d !important;
    border-bottom: 1px solid #4a4a4a;
}

[data-theme="dark"] .navbar-brand,
[data-theme="dark"] .nav-link {
    color: #ffffff !important;
}

[data-theme="dark"] .nav-link:hover {
    color: #5dade2 !important;
}

[data-theme="dark"] .navbar-toggler {
    border-color: #4a4a4a;
}

/* Dark Mode - Breadcrumbs */
[data-theme="dark"] .breadcrumb {
    background-color: #2d2d2d !important;
}

[data-theme="dark"] .breadcrumb-item a {
    color: #5dade2 !important;
}

[data-theme="dark"] .breadcrumb-item.active {
    color: #f8f9fa !important;
}

/* Dark Mode - Forms */
[data-theme="dark"] .form-control,
[data-theme="dark"] .form-select {
    background-color: #353535 !important;
    border-color: #4a4a4a !important;
    color: #ffffff !important;
}

[data-theme="dark"] .form-control:focus,
[data-theme="dark"] .form-select:focus {
    background-color: #404040 !important;
    border-color: #5dade2 !important;
    color: #ffffff !important;
    box-shadow: 0 0 0 0.2rem rgba(93, 173, 226, 0.25);
}

[data-theme="dark"] .form-label {
    color: #ffffff !important;
    font-weight: 500;
}

[data-theme="dark"] .form-check-label {
    color: #f8f9fa !important;
}

[data-theme="dark"] .form-text {
    color: #e9ecef !important;
}

/* Dark Mode - Tables */
[data-theme="dark"] .table {
    color: #f8f9fa !important;
}

[data-theme="dark"] .table th {
    background-color: #404040 !important;
    color: #ffffff !important;
    border-color: #4a4a4a !important;
}

[data-theme="dark"] .table td {
    background-color: #2d2d2d !important;
    color: #f8f9fa !important;
    border-color: #4a4a4a !important;
}

[data-theme="dark"] .table-striped tbody tr:nth-of-type(odd) td {
    background-color: #333333 !important;
}

/* Dark Mode - Alerts */
[data-theme="dark"] .alert {
    border-color: #4a4a4a !important;
}

[data-theme="dark"] .alert-primary {
    background-color: #1e3a5f !important;
    color: #b3d7ff !important;
    border-color: #2c5282 !important;
}

[data-theme="dark"] .alert-success {
    background-color: #1f3a2e !important;
    color: #a7f3d0 !important;
    border-color: #276749 !important;
}

[data-theme="dark"] .alert-info {
    background-color: #1f2937 !important;
    color: #93c5fd !important;
    border-color: #374151 !important;
}

[data-theme="dark"] .alert-warning {
    background-color: #451a03 !important;
    color: #fed7aa !important;
    border-color: #92400e !important;
}

[data-theme="dark"] .alert-danger {
    background-color: #450a0a !important;
    color: #fca5a5 !important;
    border-color: #991b1b !important;
}

/* Dark Mode - Badges */
[data-theme="dark"] .badge {
    font-weight: 600;
}

[data-theme="dark"] .badge.bg-light {
    background-color: #4a4a4a !important;
    color: #ffffff !important;
}

[data-theme="dark"] .badge.bg-dark {
    background-color: #1a1a1a !important;
    color: #ffffff !important;
}

/* Dark Mode - Buttons */
[data-theme="dark"] .btn-outline-primary {
    color: #5dade2 !important;
    border-color: #5dade2 !important;
}

[data-theme="dark"] .btn-outline-primary:hover {
    background-color: #5dade2 !important;
    color: #1a1a1a !important;
}

[data-theme="dark"] .btn-outline-secondary {
    color: #95a5a6 !important;
    border-color: #95a5a6 !important;
}

[data-theme="dark"] .btn-outline-secondary:hover {
    background-color: #95a5a6 !important;
    color: #1a1a1a !important;
}

/* Dark Mode - Links */
[data-theme="dark"] a {
    color: #5dade2 !important;
}

[data-theme="dark"] a:hover {
    color: #85c1e5 !important;
}

[data-theme="dark"] .text-muted {
    color: #adb5bd !important;
}

[data-theme="dark"] .text-primary {
    color: #5dade2 !important;
}

[data-theme="dark"] .text-secondary {
    color: #95a5a6 !important;
}

[data-theme="dark"] .text-success {
    color: #58d68d !important;
}

[data-theme="dark"] .text-info {
    color: #5dccdb !important;
}

[data-theme="dark"] .text-warning {
    color: #f7dc6f !important;
}

[data-theme="dark"] .text-danger {
    color: #ec7063 !important;
}

/* Dark Mode - Dropdowns */
[data-theme="dark"] .dropdown-menu {
    background-color: #2d2d2d !important;
    border-color: #4a4a4a !important;
}

[data-theme="dark"] .dropdown-item {
    color: #f8f9fa !important;
}

[data-theme="dark"] .dropdown-item:hover {
    background-color: #404040 !important;
    color: #ffffff !important;
}

/* Dark Mode - Modals */
[data-theme="dark"] .modal-content {
    background-color: #2d2d2d !important;
    color: #ffffff !important;
}

[data-theme="dark"] .modal-header {
    border-bottom-color: #4a4a4a !important;
}

[data-theme="dark"] .modal-footer {
    border-top-color: #4a4a4a !important;
}

[data-theme="dark"] .modal-title {
    color: #ffffff !important;
}

/* Dark Mode - List Groups */
[data-theme="dark"] .list-group-item {
    background-color: #2d2d2d !important;
    border-color: #4a4a4a !important;
    color: #f8f9fa !important;
}

[data-theme="dark"] .list-group-item:hover {
    background-color: #353535 !important;
}

/* Dark Mode - Progress Bars */
[data-theme="dark"] .progress {
    background-color: #404040 !important;
}

/* Dark Mode - Accordion */
[data-theme="dark"] .accordion-item {
    background-color: #2d2d2d !important;
    border-color: #4a4a4a !important;
}

[data-theme="dark"] .accordion-button {
    background-color: #353535 !important;
    color: #ffffff !important;
}

[data-theme="dark"] .accordion-button:not(.collapsed) {
    background-color: #404040 !important;
    color: #ffffff !important;
}

[data-theme="dark"] .accordion-body {
    background-color: #2d2d2d !important;
    color: #f8f9fa !important;
}

/* Dark Mode - Pagination */
[data-theme="dark"] .page-link {
    background-color: #2d2d2d !important;
    border-color: #4a4a4a !important;
    color: #5dade2 !important;
}

[data-theme="dark"] .page-link:hover {
    background-color: #404040 !important;
    color: #85c1e5 !important;
}

[data-theme="dark"] .page-item.active .page-link {
    background-color: #5dade2 !important;
    border-color: #5dade2 !important;
    color: #1a1a1a !important;
}

/* Dark Mode - Footer */
[data-theme="dark"] .footer {
    background-color: #1a1a1a !important;
    color: #f8f9fa !important;
}

[data-theme="dark"] .footer h5,
[data-theme="dark"] .footer h6 {
    color: #ffffff !important;
}

[data-theme="dark"] .footer a {
    color: #5dade2 !important;
}

[data-theme="dark"] .footer a:hover {
    color: #85c1e5 !important;
}

/* Dark Mode - Search and Input Groups */
[data-theme="dark"] .input-group-text {
    background-color: #404040 !important;
    border-color: #4a4a4a !important;
    color: #f8f9fa !important;
}

/* Dark Mode - Carousel */
[data-theme="dark"] .carousel-caption h5,
[data-theme="dark"] .carousel-caption p {
    color: #ffffff !important;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.8);
}

/* Dark Mode - Code Blocks */
[data-theme="dark"] pre,
[data-theme="dark"] code {
    background-color: #1e1e1e !important;
    color: #f8f9fa !important;
    border-color: #4a4a4a !important;
}

/* Dark Mode - Blockquotes */
[data-theme="dark"] blockquote {
    border-left-color: #5dade2 !important;
    background-color: #2d2d2d !important;
    color: #f8f9fa !important;
}

/* Dark Mode - HR Elements */
[data-theme="dark"] hr {
    border-color: #4a4a4a !important;
    opacity: 0.5;
}

/* Dark Mode - Text Selection */
[data-theme="dark"] ::selection {
    background-color: #5dade2 !important;
    color: #1a1a1a !important;
}

[data-theme="dark"] ::-moz-selection {
    background-color: #5dade2 !important;
    color: #1a1a1a !important;
}

/* Dark Mode - Software Cards and News Articles */
[data-theme="dark"] .software-card,
[data-theme="dark"] .news-card {
    background-color: #2d2d2d !important;
    border-color: #4a4a4a !important;
    color: #ffffff !important;
}

[data-theme="dark"] .software-card .card-title,
[data-theme="dark"] .news-card .card-title {
    color: #ffffff !important;
}

[data-theme="dark"] .software-card .card-text,
[data-theme="dark"] .news-card .card-text {
    color: #f8f9fa !important;
}

[data-theme="dark"] .software-info strong,
[data-theme="dark"] .news-meta strong {
    color: #ffffff !important;
}

/* Dark Mode - Category and Filter Sections */
[data-theme="dark"] .category-header,
[data-theme="dark"] .filter-section {
    background-color: #2d2d2d !important;
    color: #ffffff !important;
}

/* Dark Mode - Search Results */
[data-theme="dark"] .search-result-item {
    background-color: #2d2d2d !important;
    border-color: #4a4a4a !important;
    color: #f8f9fa !important;
}

[data-theme="dark"] .search-result-title {
    color: #ffffff !important;
}

/* Dark Mode - Sidebar Elements */
[data-theme="dark"] .sidebar {
    background-color: #2d2d2d !important;
    color: #f8f9fa !important;
}

[data-theme="dark"] .sidebar h5,
[data-theme="dark"] .sidebar h6 {
    color: #ffffff !important;
}

/* Dark Mode - Article Content */
[data-theme="dark"] .article-content,
[data-theme="dark"] .content-body {
    color: #f8f9fa !important;
}

[data-theme="dark"] .article-content h1,
[data-theme="dark"] .article-content h2,
[data-theme="dark"] .article-content h3,
[data-theme="dark"] .article-content h4,
[data-theme="dark"] .article-content h5,
[data-theme="dark"] .article-content h6 {
    color: #ffffff !important;
}

[data-theme="dark"] .article-content p,
[data-theme="dark"] .article-content li {
    color: #f8f9fa !important;
    line-height: 1.7;
}

/* Dark Mode - Ensure Maximum Contrast for All Elements */
[data-theme="dark"] .text-light {
    color: #f8f9fa !important;
}

[data-theme="dark"] .text-dark {
    color: #1a1a1a !important;
}

[data-theme="dark"] .bg-light {
    background-color: #4a4a4a !important;
}

[data-theme="dark"] .bg-dark {
    background-color: #1a1a1a !important;
}

/* Dark Mode - Border and Shadow Adjustments */
[data-theme="dark"] .border {
    border-color: #4a4a4a !important;
}

[data-theme="dark"] .border-light {
    border-color: #4a4a4a !important;
}

[data-theme="dark"] .border-dark {
    border-color: #1a1a1a !important;
}

/* Dark Mode - Ensure Proper Inheritance */
[data-theme="dark"] .container *,
[data-theme="dark"] .row *,
[data-theme="dark"] .col *,
[data-theme="dark"] .col-* {
    color: inherit;
}

/* =================================================================
   SIMPLE CATEGORY CARD STYLES
   Clean category browsing without preview complexity
   ================================================================= */

/* Category Card Hover Effects */
.category-card {
    transition: all 0.3s ease;
}

.category-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.15) !important;
}

.category-card .category-icon {
    transition: all 0.3s ease;
}

.category-card:hover .category-icon i {
    transform: scale(1.1);
}

/* Dark Mode - Category Cards */
[data-theme="dark"] .category-card {
    background-color: #2d2d2d !important;
    border-color: #4a4a4a !important;
}

[data-theme="dark"] .category-card:hover {
    background-color: #353535 !important;
    box-shadow: 0 10px 25px rgba(0,0,0,0.3) !important;
}

/* Category Icon Enhancements */
.category-icon i {
    background: linear-gradient(135deg, var(--primary-color), #5a6fd8);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    filter: drop-shadow(2px 2px 4px rgba(0,0,0,0.1));
}

[data-theme="dark"] .category-icon i {
    background: linear-gradient(135deg, #5dade2, #85c1e5);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    filter: drop-shadow(2px 2px 4px rgba(0,0,0,0.3));
}

/* Responsive Category Grid */
@media (max-width: 768px) {
    .category-card {
        margin-bottom: 1rem;
    }
    
    .category-card:hover {
        transform: translateY(-3px);
    }
}

/* Related Categories and Explore Sections */
.explore-categories .card,
.popular-other-software .card {
    transition: all 0.3s ease;
    cursor: pointer;
}

.explore-categories .card:hover,
.popular-other-software .card:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(0,0,0,0.15) !important;
}

.hover-shadow {
    transition: box-shadow 0.3s ease, transform 0.3s ease;
}

.hover-shadow:hover {
    box-shadow: 0 8px 25px rgba(0,0,0,0.15) !important;
    transform: translateY(-2px);
}

/* Category Link Buttons in Sidebar */
.btn-outline-primary.w-100 {
    transition: all 0.3s ease;
    text-decoration: none !important;
}

.btn-outline-primary.w-100:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(13, 110, 253, 0.3);
}

/* Dark Mode - Related Categories */
[data-theme="dark"] .explore-categories .card,
[data-theme="dark"] .popular-other-software .card {
    background-color: #2d2d2d !important;
    border-color: #4a4a4a !important;
}

[data-theme="dark"] .explore-categories .card:hover,
[data-theme="dark"] .popular-other-software .card:hover {
    background-color: #353535 !important;
    box-shadow: 0 8px 20px rgba(0,0,0,0.3) !important;
}

/* Badge Styling for Category Links */
.badge.bg-info {
    transition: all 0.3s ease;
}

.badge.bg-info:hover {
    background-color: #138496 !important;
    transform: scale(1.05);
}

/* Section Headers */
.explore-categories h4,
.popular-other-software h4 {
    position: relative;
    padding-bottom: 10px;
}

.explore-categories h4:after,
.popular-other-software h4:after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 50px;
    height: 3px;
    background: linear-gradient(135deg, var(--primary-color), #5a6fd8);
    border-radius: 2px;
}