/**
 * Frontend Category Cards - Admin-Style Design
 * Matches the backend admin card view exactly
 */

/* CSS Variables - Match Admin Backend */
:root {
    --container-max-width: 1200px;
    --container-padding: 1rem;
    --card-bg: #1a365d;
    --text-primary: #ffffff;
    --text-secondary: #e2e8f0;
    --primary-navy: #1a365d;
    --accent-blue: #3b82f6;
    --border-color: #2d3748;
    --meta-bg: rgba(255, 255, 255, 0.1);
    --tag-bg: rgba(255, 255, 255, 0.15);
    --tag-hover: rgba(255, 255, 255, 0.25);
}

/* Dark theme overrides */
.dark-theme {
    --card-bg: #1a365d;
    --text-primary: #ffffff;
    --text-secondary: #e2e8f0;
    --border-color: #2d3748;
}

/* Category Page Layout */
.category-page {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 1.5rem var(--container-padding);
    background: linear-gradient(135deg, rgba(15, 23, 42, 0.95) 0%, rgba(30, 41, 59, 0.95) 100%);
    min-height: 100vh;
    position: relative;
}

.category-page::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 80%, rgba(59, 130, 246, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(16, 185, 129, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

/* Category Header - Match Admin Style */
.category-header {
    background: var(--card-bg);
    border-radius: 16px;
    padding: 2rem 1.5rem;
    margin-bottom: 2rem;
    border: 1px solid var(--border-color);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.15);
    position: relative;
    overflow: hidden;
}

.category-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--category-color, var(--accent-blue));
}

.category-info {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 1.25rem;
    margin-bottom: 1.25rem;
}

.category-main {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.category-title {
    font-size: 2.25rem;
    font-weight: 800;
    margin: 0;
    display: flex;
    align-items: center;
    gap: 0.875rem;
    font-family: 'Inter', 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
    color: var(--text-primary);
}

.category-icon {
    font-size: 2.5rem;
    width: 65px;
    height: 65px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--category-color, var(--accent-blue)), rgba(59, 130, 246, 0.8));
    border-radius: 14px;
    color: white;
    box-shadow: 0 6px 20px rgba(59, 130, 246, 0.25);
}

.category-description {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin: 0;
    line-height: 1.5;
    max-width: 500px;
    font-weight: 500;
}

.category-stats {
    display: flex;
    gap: 1.5rem;
    margin-top: 0.75rem;
    margin-bottom: 1rem;
}

.stat-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.95rem;
    color: var(--text-secondary);
    font-weight: 600;
    background: var(--meta-bg);
    padding: 0.75rem 1.25rem;
    border-radius: 25px;
    border: 1px solid var(--border-color);
    transition: all 0.2s ease;
}

.stat-item:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.stat-item strong {
    color: var(--text-primary);
    font-weight: 700;
    font-size: 1.1rem;
}

/* URL Preview Box - Top Right Corner */
.url-preview {
    background: var(--meta-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 0.75rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    min-width: 280px;
    max-width: 320px;
}

.url-preview label {
    color: var(--text-secondary);
    font-size: 0.8rem;
    font-weight: 600;
    margin: 0;
}

.url-field {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.url-text {
    flex: 1;
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
    font-size: 0.75rem;
    color: var(--text-primary);
    background: rgba(0, 0, 0, 0.2);
    padding: 0.5rem 0.75rem;
    border-radius: 6px;
    border: 1px solid var(--border-color);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    font-weight: 500;
    min-width: 0;
}

.copy-url-btn {
    background: var(--accent-blue);
    color: white;
    border: none;
    padding: 0.5rem 0.75rem;
    border-radius: 6px;
    font-size: 0.75rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    white-space: nowrap;
    min-width: 60px;
}

.copy-url-btn:hover {
    background: #2563eb;
    transform: translateY(-1px);
}

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

/* Controls */
.category-controls {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    padding: 1.5rem 2rem;
    background: var(--card-bg);
    border-radius: 16px;
    border: 1px solid var(--border-color);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
}

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

.sort-controls label {
    font-weight: 600;
    color: var(--text-primary);
}

.sort-controls select {
    padding: 0.75rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    background: rgba(0, 0, 0, 0.2);
    color: var(--text-primary);
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.2s ease;
}

.sort-controls select:hover {
    border-color: var(--accent-blue);
}

.view-controls {
    display: flex;
    gap: 0.5rem;
}

.view-toggle {
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    background: rgba(0, 0, 0, 0.2);
    color: var(--text-secondary);
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.2s ease;
    font-size: 1.1rem;
}

.view-toggle:hover {
    border-color: var(--accent-blue);
    color: var(--text-primary);
}

.view-toggle.active {
    background: var(--accent-blue);
    color: white;
    border-color: var(--accent-blue);
}

/* Tweet Cards - Admin Style */
.tweets-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 1.25rem;
    margin-bottom: 3rem;
}

.tweet-card {
    background: linear-gradient(145deg, rgba(30, 41, 59, 0.95) 0%, rgba(51, 65, 85, 0.95) 100%);
    border-radius: 16px;
    border: 1px solid rgba(59, 130, 246, 0.2);
    overflow: hidden;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3);
    position: relative;
    min-height: 350px !important;
    display: flex !important;
    flex-direction: column !important;
    backdrop-filter: blur(10px);
}

.tweet-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--category-color, var(--accent-blue));
    transition: all 0.3s ease;
}

.tweet-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.25);
    border-color: var(--category-color, var(--accent-blue));
}

.tweet-card:hover::before {
    height: 5px;
    box-shadow: 0 0 20px var(--category-color, var(--accent-blue));
}

/* Tweet Header */
.tweet-header {
    padding: 1rem 1.25rem 0.75rem;
    border-bottom: 1px solid var(--border-color);
}

.tweet-meta {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.tweet-date {
    font-size: 0.8rem;
    color: var(--text-secondary);
    font-weight: 500;
}

/* Tweet Content */
.tweet-content {
    padding: 1rem 1.25rem;
    flex: 1 !important;
    display: flex !important;
    flex-direction: column !important;
}

.tweet-title {
    margin: 0 0 1rem 0;
    font-size: 1.1rem;
    font-weight: 700;
    line-height: 1.3;
}

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

.tweet-title a:hover {
    color: var(--accent-blue);
}

.tweet-description {
    color: var(--text-secondary);
    line-height: 1.6;
    margin: 0 0 1rem 0;
    font-size: 0.9rem;
    font-weight: 400;
    word-wrap: break-word;
    overflow-wrap: break-word;
}

/* Tweet Metadata */
.tweet-metadata {
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
}

.meta-item {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.85rem;
    color: var(--text-secondary);
    background: var(--meta-bg);
    padding: 0.375rem 0.625rem;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    font-weight: 500;
}

.meta-item i {
    font-size: 0.9rem;
    color: var(--accent-blue);
    opacity: 0.9;
    width: 16px;
    text-align: center;
    flex-shrink: 0;
}

.meta-text {
    color: var(--text-primary);
    font-weight: 500;
}

/* Tweet Tags */
.tweet-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 0.25rem;
}

.tag {
    background: var(--tag-bg);
    color: var(--text-primary);
    padding: 0.375rem 0.75rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 500;
    border: 1px solid var(--border-color);
    text-align: center;
    line-height: 1.2;
    min-height: 24px;
    min-width: 60px;
    transition: all 0.2s ease;
}

.tag:hover {
    background: var(--tag-hover);
    transform: translateY(-1px);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

.tag-more {
    background: var(--meta-bg);
    color: var(--text-secondary);
    padding: 0.375rem 0.75rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 500;
    border: 1px solid var(--border-color);
    text-align: center;
    line-height: 1.2;
    min-height: 24px;
    min-width: 60px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.tag-more:hover {
    background: var(--accent-blue);
    color: white;
    border-color: var(--accent-blue);
}

/* Tweet Footer */
.tweet-footer {
    padding: 0.875rem 1.25rem;
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: flex-end;
}

.tweet-author {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.tweet-author i {
    color: var(--accent-blue);
    font-size: 0.8rem;
}

.original-link {
    color: var(--accent-blue);
    text-decoration: none;
    font-size: 0.85rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.2s ease;
    padding: 0.5rem 0.75rem;
    border-radius: 6px;
    background: rgba(59, 130, 246, 0.1);
    border: 1px solid rgba(59, 130, 246, 0.2);
}

.original-link:hover {
    color: var(--text-primary);
    background: var(--accent-blue);
    transform: translateY(-1px);
    box-shadow: 0 2px 8px rgba(59, 130, 246, 0.3);
}

.original-link i {
    font-size: 0.9rem;
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 4rem 2rem;
    background: var(--card-bg);
    border-radius: 18px;
    border: 1px solid var(--border-color);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
}

.empty-icon {
    font-size: 4rem;
    margin-bottom: 1.5rem;
    opacity: 0.6;
}

.empty-state h3 {
    font-size: 1.8rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
    font-weight: 700;
}

.empty-state p {
    color: var(--text-secondary);
    margin-bottom: 2rem;
    font-size: 1.1rem;
    line-height: 1.6;
}

/* Pagination */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1rem;
    margin-top: 3rem;
}

.pagination-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.25rem;
    background: var(--card-bg);
    color: var(--text-primary);
    text-decoration: none;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    font-weight: 600;
    transition: all 0.2s ease;
}

.pagination-link:hover {
    background: var(--accent-blue);
    color: white;
    border-color: var(--accent-blue);
    transform: translateY(-1px);
}

.pagination-link.current {
    background: var(--accent-blue);
    color: white;
    border-color: var(--accent-blue);
}

.pagination-ellipsis {
    color: var(--text-secondary);
    padding: 0.75rem 1rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    .category-page {
        padding: 1rem;
    }
    
    .category-header {
        padding: 1.5rem 1rem;
    }
    
    .category-info {
        flex-direction: column;
        gap: 1rem;
        align-items: stretch;
    }
    
    .category-main {
        text-align: center;
    }
    
    .category-title {
        font-size: 1.875rem;
        flex-direction: column;
        text-align: center;
        gap: 0.75rem;
    }
    
    .category-icon {
        width: 55px;
        height: 55px;
        font-size: 2rem;
    }
    
    .category-stats {
        justify-content: center;
        flex-wrap: wrap;
        margin-left: 0;
        margin-top: 1rem;
    }
    
    .category-controls {
        flex-direction: column;
        gap: 1rem;
        align-items: stretch;
    }
    
    .tweets-grid {
        grid-template-columns: 1fr !important;
        gap: 1rem;
    }
    
    .tweet-card {
        max-width: none !important;
        min-height: auto !important;
    }
    
    .url-preview {
        min-width: auto;
        max-width: 100%;
    }
    
    .copy-url-btn {
        align-self: flex-end;
    }
}

@media (max-width: 480px) {
    .category-title {
        font-size: 1.625rem;
    }
    
    .category-description {
        font-size: 1rem;
    }
    
    .tweet-content {
        padding: 1rem;
    }
    
    .tweet-header {
        padding: 1rem 1rem 0.75rem;
    }
    
    .tweet-footer {
        padding: 0.75rem 1rem;
    }
}

/* Inline SVG icon sizing for metadata */
.meta-item .icon {
    width: 16px;
    height: 16px;
    flex: 0 0 16px;
    display: inline-block;
    fill: var(--accent-blue);
    opacity: 0.9;
}

.meta-item .icon path { fill: var(--accent-blue); }