/* Enhanced Components and Interactive Elements */

/* Scroll Progress Bar */
.scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    width: 0%;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    z-index: 1001;
    transition: width 0.1s ease;
}

/* Enhanced Navigation */
.navbar.scrolled {
    background: rgba(255, 255, 255, 0.98);
    box-shadow: var(--shadow-lg);
}

/* Search Component */
.search-container {
    position: relative;
    max-width: 400px;
    margin: 0 auto var(--spacing-8);
}

.search-input {
    width: 100%;
    padding: var(--spacing-4) var(--spacing-6);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-xl);
    font-size: var(--font-size-base);
    background: var(--bg-primary);
    transition: all var(--transition-normal);
}

.search-input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.search-icon {
    position: absolute;
    right: var(--spacing-4);
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-light);
    pointer-events: none;
}

/* Enhanced Article Cards */
.article-card {
    position: relative;
    overflow: hidden;
}

.article-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    transform: scaleX(0);
    transition: transform var(--transition-normal);
}

.article-card:hover::before {
    transform: scaleX(1);
}

.article-stats {
    display: flex;
    align-items: center;
    gap: var(--spacing-4);
    font-size: var(--font-size-sm);
    color: var(--text-light);
}

.stat-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-1);
}

/* Enhanced Category Cards */
.category-card {
    position: relative;
    overflow: hidden;
}

.category-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    opacity: 0;
    transition: opacity var(--transition-normal);
    z-index: -1;
}

.category-card:hover::before {
    opacity: 0.05;
}

.category-card:hover .category-icon {
    transform: scale(1.1) rotate(5deg);
}

/* Enhanced Buttons */
.btn {
    position: relative;
    overflow: hidden;
}

.btn-ripple {
    position: absolute;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: scale(0);
    animation: ripple 0.6s linear;
    pointer-events: none;
}

@keyframes ripple {
    to {
        transform: scale(4);
        opacity: 0;
    }
}

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

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

/* Toast Notifications */
.toast {
    position: fixed;
    top: 20px;
    right: 20px;
    background: var(--bg-primary);
    color: var(--text-primary);
    padding: var(--spacing-4) var(--spacing-6);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    border-left: 4px solid var(--primary-color);
    z-index: 2001;
    transform: translateX(100%);
    transition: transform var(--transition-normal);
}

.toast.show {
    transform: translateX(0);
}

.toast.success {
    border-left-color: var(--accent-color);
}

.toast.error {
    border-left-color: #ef4444;
}

/* Enhanced Modal */
.modal-content {
    animation: modalSlideIn 0.3s ease-out;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(-50px) scale(0.9);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.modal-header {
    padding: var(--spacing-6) var(--spacing-8) 0;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: var(--spacing-6);
}

.modal-title {
    font-size: var(--font-size-2xl);
    color: var(--text-primary);
    margin-bottom: var(--spacing-2);
}

.modal-subtitle {
    color: var(--text-secondary);
    font-size: var(--font-size-base);
}

/* Article Content Styles */
.article-full {
    line-height: 1.8;
}

.article-full h1,
.article-full h2,
.article-full h3,
.article-full h4,
.article-full h5,
.article-full h6 {
    margin-top: var(--spacing-8);
    margin-bottom: var(--spacing-4);
    color: var(--text-primary);
}

.article-full p {
    margin-bottom: var(--spacing-6);
    color: var(--text-secondary);
}

.article-full ul,
.article-full ol {
    margin-bottom: var(--spacing-6);
    padding-left: var(--spacing-6);
}

.article-full li {
    margin-bottom: var(--spacing-2);
    color: var(--text-secondary);
}

.article-full blockquote {
    border-left: 4px solid var(--primary-color);
    padding-left: var(--spacing-6);
    margin: var(--spacing-8) 0;
    font-style: italic;
    color: var(--text-secondary);
    background: var(--bg-secondary);
    padding: var(--spacing-6);
    border-radius: var(--radius-lg);
}

.article-full code {
    background: var(--bg-secondary);
    padding: var(--spacing-1) var(--spacing-2);
    border-radius: var(--radius-sm);
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
    font-size: 0.9em;
    color: var(--primary-color);
}

.article-full pre {
    background: var(--bg-dark);
    color: white;
    padding: var(--spacing-6);
    border-radius: var(--radius-lg);
    overflow-x: auto;
    margin: var(--spacing-6) 0;
}

.article-full pre code {
    background: none;
    padding: 0;
    color: white;
}

/* Enhanced Newsletter Form */
.newsletter-form {
    position: relative;
}

.form-group {
    position: relative;
}

.form-group input:focus + .form-focus-border {
    transform: scaleX(1);
}

.form-focus-border {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--secondary-color);
    transform: scaleX(0);
    transition: transform var(--transition-normal);
}

/* Social Share Buttons */
.social-share {
    display: flex;
    gap: var(--spacing-3);
    margin-top: var(--spacing-6);
    padding-top: var(--spacing-6);
    border-top: 1px solid var(--border-color);
}

.share-btn {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    text-decoration: none;
    transition: all var(--transition-normal);
    font-size: var(--font-size-sm);
}

.share-btn.twitter {
    background: #1da1f2;
}

.share-btn.facebook {
    background: #1877f2;
}

.share-btn.linkedin {
    background: #0077b5;
}

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

/* Enhanced Footer */
.footer-section {
    position: relative;
}

.footer-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    transform: scaleX(0);
    transition: transform var(--transition-normal);
}

.footer-section:hover::before {
    transform: scaleX(1);
}

/* Back to Top Button */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--primary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-lg);
    z-index: 1000;
}

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

.back-to-top:hover {
    background: var(--primary-dark);
    transform: translateY(-3px);
    box-shadow: var(--shadow-xl);
}

/* Enhanced Animations */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: all var(--transition-slow);
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

.slide-in-left {
    opacity: 0;
    transform: translateX(-50px);
    transition: all var(--transition-slow);
}

.slide-in-left.visible {
    opacity: 1;
    transform: translateX(0);
}

.slide-in-right {
    opacity: 0;
    transform: translateX(50px);
    transition: all var(--transition-slow);
}

.slide-in-right.visible {
    opacity: 1;
    transform: translateX(0);
}

/* Enhanced Hover Effects */
.hover-lift {
    transition: transform var(--transition-normal);
}

.hover-lift:hover {
    transform: translateY(-5px);
}

.hover-scale {
    transition: transform var(--transition-normal);
}

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

/* Enhanced Focus States */
.focus-ring:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.3);
}

/* Enhanced Selection */
::selection {
    background: var(--primary-color);
    color: white;
}

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

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

::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}

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

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-dark);
}

/* Print Styles */
@media print {
    .navbar,
    .hero,
    .newsletter-section,
    .footer,
    .back-to-top {
        display: none;
    }
    
    .articles-section,
    .categories-section {
        padding: 0;
    }
    
    .article-card {
        break-inside: avoid;
        box-shadow: none;
        border: 1px solid var(--border-color);
    }
}