/* ============================================
   LEFTLANE.IO - BLOG STYLES
   ============================================ */

/* Define surface-secondary if not already defined */
:root {
    --surface-secondary: var(--background-alt);
}

[data-theme="dark"] {
    --surface-secondary: var(--background-alt);
}

/* Blog Hero Section */
.blog-hero {
    padding: 120px 0 80px;
    text-align: center;
    position: relative;
}

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

.blog-hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
}

.blog-hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 3rem;
    line-height: 1.6;
}

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

/* Category Filter */
.category-filter {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    justify-content: center;
    margin-top: 2rem;
}

.filter-btn {
    padding: 0.75rem 1.5rem;
    border: 2px solid rgba(255, 255, 255, 0.2);
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
    border-radius: var(--radius-lg);
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-base);
    backdrop-filter: blur(10px);
}

.filter-btn:hover {
    border-color: var(--primary-color);
    background: rgba(12, 113, 195, 0.1);
    transform: translateY(-1px);
}

.filter-btn.active {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
    box-shadow: 0 4px 15px rgba(12, 113, 195, 0.3);
}

/* Featured Posts Section */
.featured-posts {
    padding: 80px 0;
}

.featured-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.featured-post {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(20px);
    border-radius: var(--radius-xl);
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all var(--transition-base);
    cursor: pointer;
}

.featured-post:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-color);
}

.featured-post-image {
    width: 100%;
    height: 250px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

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

.featured-post-image .placeholder-icon {
    font-size: 3rem;
    color: rgba(255, 255, 255, 0.8);
}

.featured-post-content {
    padding: 2rem;
}

.featured-post-meta {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
    font-size: 0.875rem;
    color: var(--text-light);
}

.category-badge {
    padding: 0.25rem 0.75rem;
    background: var(--primary-color);
    color: white;
    border-radius: var(--radius-sm);
    font-weight: 500;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.featured-post-title {
    font-size: 1.5rem;
    font-weight: 600;
    line-height: 1.3;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.featured-post-excerpt {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.read-more-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--primary-color);
    font-weight: 500;
    text-decoration: none;
    transition: all var(--transition-base);
}

.read-more-btn:hover {
    color: var(--primary-light);
    transform: translateX(5px);
}

/* All Posts Section */
.all-posts {
    padding: 80px 0;
    background: rgba(255, 255, 255, 0.02);
}

.posts-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 3rem;
    flex-wrap: wrap;
    gap: 2rem;
}

.posts-controls {
    display: flex;
    gap: 1rem;
    align-items: center;
}

.search-box {
    position: relative;
    display: flex;
}

.search-input {
    padding: 0.75rem 1rem;
    padding-right: 3rem;
    border: 2px solid rgba(255, 255, 255, 0.2);
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
    border-radius: var(--radius-lg);
    min-width: 250px;
    backdrop-filter: blur(10px);
}

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

.search-input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(12, 113, 195, 0.1);
}

.search-btn {
    position: absolute;
    right: 0.5rem;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--text-light);
    cursor: pointer;
    padding: 0.5rem;
    border-radius: var(--radius-sm);
    transition: color var(--transition-base);
}

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

.search-btn svg {
    width: 1.25rem;
    height: 1.25rem;
}

.sort-select {
    padding: 0.75rem 1rem;
    border: 2px solid rgba(255, 255, 255, 0.2);
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
    border-radius: var(--radius-lg);
    cursor: pointer;
    backdrop-filter: blur(10px);
}

.sort-select:focus {
    outline: none;
    border-color: var(--primary-color);
}

/* Posts Grid */
.posts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.post-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(20px);
    border-radius: var(--radius-xl);
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all var(--transition-base);
    cursor: pointer;
}

.post-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

.post-card-image {
    width: 100%;
    height: 200px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

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

.post-card-content {
    padding: 1.5rem;
}

.post-card-meta {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
    font-size: 0.875rem;
    color: var(--text-light);
}

.post-card-title {
    font-size: 1.25rem;
    font-weight: 600;
    line-height: 1.4;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.post-card-excerpt {
    color: var(--text-secondary);
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.post-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 1rem;
}

.tag {
    padding: 0.25rem 0.5rem;
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-light);
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 500;
}

/* Load More Button */
.load-more-container {
    text-align: center;
    margin-top: 3rem;
}

.load-more-btn {
    padding: 1rem 2rem;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: var(--radius-lg);
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-base);
}

.load-more-btn:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(12, 113, 195, 0.3);
}

.load-more-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

/* Newsletter Signup */
.newsletter-signup {
    padding: 80px 0;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    margin-top: 4rem;
}

.newsletter-content {
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
}

.newsletter-content h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: white;
    margin-bottom: 1rem;
}

.newsletter-content p {
    font-size: 1.125rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 2rem;
}

.newsletter-form {
    display: flex;
    gap: 1rem;
    max-width: 400px;
    margin: 0 auto;
}

.newsletter-form input {
    flex: 1;
    padding: 1rem;
    border: none;
    border-radius: var(--radius-lg);
    background: rgba(255, 255, 255, 0.2);
    color: white;
    backdrop-filter: blur(10px);
}

.newsletter-form input::placeholder {
    color: rgba(255, 255, 255, 0.7);
}

.newsletter-form input:focus {
    outline: none;
    background: rgba(255, 255, 255, 0.3);
}

.newsletter-form button {
    padding: 1rem 1.5rem;
    background: white;
    color: var(--primary-color);
    border: none;
    border-radius: var(--radius-lg);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-base);
}

.newsletter-form button:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 15px rgba(255, 255, 255, 0.3);
}

/* Skeleton Loading */
.featured-post-skeleton,
.post-card-skeleton {
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-xl);
    overflow: hidden;
    position: relative;
}

.skeleton-animation {
    height: 400px;
    background: linear-gradient(
        90deg,
        rgba(255, 255, 255, 0.1) 25%,
        rgba(255, 255, 255, 0.2) 50%,
        rgba(255, 255, 255, 0.1) 75%
    );
    background-size: 200% 100%;
    animation: shimmer 2s infinite;
}

@keyframes shimmer {
    0% {
        background-position: -200% 0;
    }
    100% {
        background-position: 200% 0;
    }
}

/* Dark Mode Overrides */
[data-theme="dark"] .all-posts {
    background: rgba(0, 0, 0, 0.2);
}

[data-theme="dark"] .filter-btn {
    border-color: rgba(255, 255, 255, 0.3);
    background: rgba(255, 255, 255, 0.1);
}

[data-theme="dark"] .search-input,
[data-theme="dark"] .sort-select {
    border-color: rgba(255, 255, 255, 0.3);
    background: rgba(255, 255, 255, 0.1);
}

/* Responsive Design */
@media (max-width: 768px) {
    .blog-hero-title {
        font-size: 2.5rem;
    }
    
    .blog-hero-subtitle {
        font-size: 1.125rem;
    }
    
    .category-filter {
        gap: 0.5rem;
    }
    
    .filter-btn {
        padding: 0.5rem 1rem;
        font-size: 0.875rem;
    }
    
    .featured-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .posts-grid {
        grid-template-columns: 1fr;
    }
    
    .posts-header {
        flex-direction: column;
        text-align: center;
    }
    
    .posts-controls {
        flex-direction: column;
        width: 100%;
    }
    
    .search-input {
        min-width: 100%;
    }
    
    .newsletter-form {
        flex-direction: column;
    }
    
    .newsletter-content h2 {
        font-size: 2rem;
    }
}

@media (max-width: 480px) {
    .blog-hero {
        padding: 100px 0 60px;
    }
    
    .featured-posts,
    .all-posts {
        padding: 60px 0;
    }
    
    .featured-post-content,
    .post-card-content {
        padding: 1.25rem;
    }
}

/* ============================================
   POST MODAL STYLES
   ============================================ */

.post-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 10000;
    display: none;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.post-modal.active {
    display: flex;
    opacity: 1;
    visibility: visible;
}

.post-modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(4px);
    cursor: pointer;
}

.post-modal-content {
    position: relative;
    width: 90%;
    max-width: 900px;
    max-height: 90vh;
    margin: auto;
    background: rgba(255, 255, 255, 0.98);
    border-radius: var(--radius-xl);
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.5);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    transform: scale(0.9);
    transition: transform 0.3s ease;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.post-modal.active .post-modal-content {
    transform: scale(1);
}

.post-modal-header {
    position: absolute;
    top: 1rem;
    right: 1rem;
    z-index: 10001;
}

.close-modal-btn {
    background: rgba(0, 0, 0, 0.5);
    border: none;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    cursor: pointer;
    transition: all 0.2s ease;
}

.close-modal-btn:hover {
    background: rgba(0, 0, 0, 0.7);
    transform: scale(1.1);
}

.post-modal-body {
    padding: 0;
    overflow-y: auto;
    flex: 1;
}

/* Post content styles */
.modal-post-content {
    position: relative;
}

.modal-post-hero {
    position: relative;
    height: 300px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.modal-post-hero img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.modal-post-hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.2));
    display: flex;
    align-items: end;
    padding: 2rem;
}

.modal-post-meta {
    color: white;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
}

.modal-post-meta .category-badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.modal-post-meta h1 {
    font-size: 2.5rem;
    font-weight: bold;
    margin: 0.5rem 0;
    line-height: 1.2;
}

.modal-post-info {
    display: flex;
    gap: 1rem;
    font-size: 0.875rem;
    opacity: 0.9;
    margin-bottom: 1rem;
}

.modal-post-actions {
    display: flex;
    gap: 0.75rem;
}

.share-post-btn {
    background: rgba(255, 255, 255, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.3);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.2s ease;
    backdrop-filter: blur(10px);
}

.share-post-btn:hover {
    background: rgba(255, 255, 255, 0.3);
    border-color: rgba(255, 255, 255, 0.5);
    transform: translateY(-1px);
}

.modal-post-body {
    padding: 2rem;
}

.modal-post-excerpt {
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--border-color);
    font-style: italic;
}

.modal-post-content-area {
    line-height: 1.7;
    font-size: 1rem;
}

.modal-post-content-area h1,
.modal-post-content-area h2,
.modal-post-content-area h3,
.modal-post-content-area h4,
.modal-post-content-area h5,
.modal-post-content-area h6 {
    margin: 2rem 0 1rem 0;
    color: var(--text-primary);
}

.modal-post-content-area h2 {
    font-size: 1.75rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--primary-color);
}

.modal-post-content-area h3 {
    font-size: 1.5rem;
}

.modal-post-content-area p {
    margin: 1rem 0;
    color: var(--text-secondary);
}

.modal-post-content-area blockquote {
    border-left: 4px solid var(--primary-color);
    padding-left: 1.5rem;
    margin: 2rem 0;
    font-style: italic;
    color: var(--text-secondary);
    background: var(--surface-secondary);
    padding: 1.5rem;
    border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
}

.modal-post-content-area code {
    background: var(--surface-secondary);
    padding: 0.25rem 0.5rem;
    border-radius: var(--radius-sm);
    font-family: 'Courier New', monospace;
    font-size: 0.875rem;
}

.modal-post-content-area pre {
    background: var(--surface-secondary);
    padding: 1.5rem;
    border-radius: var(--radius-lg);
    overflow-x: auto;
    margin: 1.5rem 0;
}

.modal-post-content-area pre code {
    background: none;
    padding: 0;
}

.modal-post-content-area ul,
.modal-post-content-area ol {
    margin: 1rem 0;
    padding-left: 2rem;
}

.modal-post-content-area li {
    margin: 0.5rem 0;
    color: var(--text-secondary);
}

.modal-post-content-area img {
    max-width: 100%;
    height: auto;
    border-radius: var(--radius-lg);
    margin: 1.5rem 0;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.modal-post-tags {
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
}

.modal-post-tags h4 {
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.modal-post-tags .tag {
    display: inline-block;
    background: var(--surface-secondary);
    color: var(--text-secondary);
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    margin: 0.25rem 0.25rem 0.25rem 0;
    transition: all 0.2s ease;
}

.modal-post-tags .tag:hover {
    background: var(--primary-color);
    color: white;
}

/* Post loader */
.post-loader {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 300px;
    color: var(--text-secondary);
}

.loading-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--border-color);
    border-top: 3px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-bottom: 1rem;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Dark mode modal styling */
[data-theme="dark"] .post-modal-content {
    background: rgba(30, 41, 59, 0.98);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

/* Light mode modal styling */
:root:not([data-theme="dark"]) .post-modal-content,
[data-theme="light"] .post-modal-content {
    background: rgba(255, 255, 255, 0.98);
    border: 1px solid rgba(0, 0, 0, 0.1);
}

/* Modal mobile responsiveness */
@media (max-width: 768px) {
    .post-modal-content {
        width: 95%;
        max-height: 95vh;
        margin: 2.5vh auto;
    }
    
    .modal-post-hero {
        height: 200px;
    }
    
    .modal-post-meta h1 {
        font-size: 1.75rem;
    }
    
    .modal-post-body {
        padding: 1.5rem;
    }
    
    .modal-post-info {
        flex-direction: column;
        gap: 0.5rem;
    }
}