/* ============================================
   Blog Styles - Modern Light Theme
   Uses variables from main.css
   ============================================ */

/* ============================================
   Post Cards
   ============================================ */
.post-card {
    background: var(--bg-primary);
    border: 1px solid var(--border-light);
    border-radius: var(--border-radius);
    overflow: hidden;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    height: 100%;
}

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

.post-card-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    background: var(--bg-secondary);
}

.post-card-image-placeholder {
    width: 100%;
    height: 200px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 3rem;
}

.post-card-content {
    padding: var(--spacing-lg);
    flex: 1;
    display: flex;
    flex-direction: column;
}

.post-card-meta {
    display: flex;
    gap: var(--spacing-md);
    font-size: var(--font-size-sm);
    color: var(--text-muted);
    margin-bottom: 0.75rem;
    flex-wrap: wrap;
}

.post-card-meta span {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.post-card-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    line-height: 1.4;
}

.post-card-title a {
    color: var(--text-primary);
    text-decoration: none;
    transition: color 0.2s;
}

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

.post-card-excerpt {
    color: var(--text-muted);
    font-size: 0.9375rem;
    line-height: 1.6;
    margin-bottom: var(--spacing-md);
    flex: 1;
}

.post-card-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--border-light);
    margin-top: auto;
}

.post-card-stats {
    display: flex;
    gap: var(--spacing-md);
    font-size: var(--font-size-sm);
    color: var(--text-muted);
}

.post-card-stats span {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.read-time {
    color: var(--text-muted);
    font-size: var(--font-size-sm);
}

/* ============================================
   Category & Tag Badges
   ============================================ */
.category-badge,
.tag-badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 500;
    text-decoration: none;
    transition: all 0.2s;
}

.category-badge {
    background: rgba(99, 102, 241, 0.1);
    color: var(--primary-color);
}

.category-badge:hover {
    background: var(--primary-color);
    color: white;
}

.tag-badge {
    background: rgba(16, 185, 129, 0.1);
    color: var(--secondary-color);
    margin-right: 0.5rem;
    margin-bottom: 0.5rem;
}

.tag-badge:hover {
    background: var(--secondary-color);
    color: white;
}

/* ============================================
   Post Detail Page
   ============================================ */
.post-detail-header {
    background: var(--bg-primary);
    border-bottom: 1px solid var(--border-light);
    padding: var(--spacing-xl) 0;
    margin-bottom: var(--spacing-xl);
}

.post-detail-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    line-height: 1.2;
    color: var(--text-primary);
}

.post-detail-meta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    align-items: center;
    color: var(--text-muted);
    font-size: 0.9375rem;
    margin-bottom: var(--spacing-md);
}

.post-detail-meta span {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.post-detail-categories-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-top: var(--spacing-md);
}

.post-detail-content {
    background: var(--bg-primary);
    padding: var(--spacing-xl);
    border-radius: var(--border-radius);
    border: 1px solid var(--border-light);
    margin-bottom: var(--spacing-xl);
    line-height: 1.8;
    font-size: 1.0625rem;
}

.post-detail-content img {
    max-width: 100%;
    height: auto;
    border-radius: var(--border-radius-sm);
    margin: var(--spacing-lg) 0;
}

.post-detail-content h1,
.post-detail-content h2,
.post-detail-content h3 {
    margin-top: var(--spacing-xl);
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.post-detail-content blockquote {
    border-left: 4px solid var(--primary-color);
    padding-left: var(--spacing-md);
    margin: var(--spacing-md) 0;
    color: var(--text-muted);
    font-style: italic;
}

.post-detail-content pre {
    background: var(--bg-secondary);
    padding: var(--spacing-md);
    border-radius: var(--border-radius-sm);
    overflow-x: auto;
    margin: var(--spacing-md) 0;
}

.post-detail-content code {
    background: var(--bg-secondary);
    padding: 0.125rem 0.375rem;
    border-radius: 4px;
    font-size: 0.9em;
}

.post-detail-content pre code {
    background: transparent;
    padding: 0;
}

.post-actions {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
    flex-wrap: wrap;
}

.like-button {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    background: var(--bg-primary);
    border: 2px solid var(--border-light);
    border-radius: var(--border-radius-sm);
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 500;
    transition: all 0.2s;
    cursor: pointer;
}

.like-button:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
    transform: translateY(-2px);
}

.like-button.liked {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
}

.like-button.liked:hover {
    background: var(--primary-dark);
    border-color: var(--primary-dark);
}

/* ============================================
   Post Form
   ============================================ */
.post-form-container {
    max-width: 900px;
    margin: 0 auto;
    background: var(--bg-primary);
    padding: var(--spacing-xl);
    border-radius: var(--border-radius);
    border: 1px solid var(--border-light);
}

.post-form-group {
    margin-bottom: var(--spacing-xl);
}

.post-form-label {
    display: block;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.post-form-input,
.post-form-select,
.post-form-textarea {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border-light);
    border-radius: var(--border-radius-sm);
    font-size: 1rem;
    transition: all 0.2s;
    font-family: inherit;
}

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

.post-form-textarea {
    min-height: 300px;
    resize: vertical;
}

.quill-editor {
    min-height: 400px;
}

.form-error {
    color: var(--danger-color);
    font-size: var(--font-size-sm);
    margin-top: 0.25rem;
}

.form-help {
    color: var(--text-muted);
    font-size: var(--font-size-sm);
    margin-top: 0.25rem;
}

/* ============================================
   Category & Tag Pages
   ============================================ */
.category-header,
.tag-header {
    background: var(--bg-primary);
    padding: var(--spacing-xl) 0;
    margin-bottom: var(--spacing-xl);
    border-bottom: 1px solid var(--border-light);
}

.category-title,
.tag-title {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.category-description {
    color: var(--text-muted);
    font-size: 1.0625rem;
}

.posts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

/* ============================================
   Search Results
   ============================================ */
.search-header {
    background: var(--bg-secondary);
    padding: var(--spacing-xl) 0;
    margin-bottom: var(--spacing-xl);
    border-bottom: 1px solid var(--border-light);
}

.search-query {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

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

.search-highlight {
    background: yellow;
    padding: 0 0.125rem;
}

/* ============================================
   Pagination
   ============================================ */
.pagination {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    margin: var(--spacing-xl) 0;
    flex-wrap: wrap;
}

.pagination a,
.pagination span {
    padding: 0.5rem 1rem;
    border: 1px solid var(--border-light);
    border-radius: var(--border-radius-sm);
    text-decoration: none;
    color: var(--text-primary);
    transition: all 0.2s;
}

.pagination a:hover {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
}

.pagination .current {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
}

/* ============================================
   Empty States
   ============================================ */
.empty-state {
    text-align: center;
    padding: calc(var(--spacing-xl) * 2);
    background: var(--bg-primary);
    border-radius: var(--border-radius);
    border: 1px solid var(--border-light);
}

.empty-state-icon {
    font-size: 4rem;
    color: var(--text-muted);
    margin-bottom: var(--spacing-md);
}

.empty-state h3 {
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.empty-state p {
    color: var(--text-muted);
    margin-bottom: var(--spacing-md);
}

/* ============================================
   Related Posts
   ============================================ */
.related-posts {
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-xl);
    border-top: 1px solid var(--border-light);
}

.related-posts-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: var(--spacing-lg);
}

/* ============================================
   Responsive
   ============================================ */
@media (max-width: 768px) {
    .post-detail-title {
        font-size: 1.75rem;
    }
    
    .posts-grid {
        grid-template-columns: 1fr;
    }
    
    .post-card-image {
        height: 180px;
    }
    
    .post-actions {
        flex-direction: column;
    }
    
    .like-button {
        width: 100%;
        justify-content: center;
    }
}

/* ============================================
   Animations
   ============================================ */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.reveal {
    opacity: 0;
    animation: fadeInUp 0.6s ease forwards;
}

.reveal.visible {
    opacity: 1;
}