/* Publications Page Specific Styles */

/* Publications Hero Section */
.publications-hero {
    min-height: 70vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-24) 0;
    position: relative;
    text-align: center;
}

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

.publications-title {
    font-size: 4rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: var(--space-6);
    background: linear-gradient(45deg, var(--primary-600), var(--primary-400));
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-size: 200% 200%;
    animation: gradientShift 3s ease-in-out infinite;
}

.publications-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: var(--space-12);
    line-height: 1.6;
}

.publications-stats {
    display: flex;
    justify-content: center;
    gap: var(--space-8);
    margin-top: var(--space-8);
}

/* Publications List Section */
.publications-list {
    padding: var(--space-24) 0;
}

.publication-category {
    margin-bottom: var(--space-20);
}

.category-header {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    margin-bottom: var(--space-12);
    padding: var(--space-6);
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    position: relative;
}

.category-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(45deg, var(--primary-500), var(--primary-600));
    border-radius: var(--radius-xl) var(--radius-xl) 0 0;
}

.category-icon {
    width: 48px;
    height: 48px;
    background: linear-gradient(45deg, var(--primary-500), var(--primary-600));
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.25rem;
    flex-shrink: 0;
}

.category-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0;
    flex: 1;
}

.category-count {
    background: var(--primary-100);
    color: var(--primary-700);
    padding: var(--space-1) var(--space-3);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 600;
}

[data-theme="dark"] .category-count {
    background: var(--primary-800);
    color: var(--primary-200);
}

/* Publications Grid */
.publications-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: var(--space-8);
}

.publication-card {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-2xl);
    padding: var(--space-8);
    box-shadow: var(--shadow-lg);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.publication-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(45deg, var(--primary-500), var(--primary-600));
}

.publication-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-2xl);
    border-color: var(--primary-300);
}

.publication-card.under-review {
    border-color: var(--warning);
}

.publication-card.under-review::before {
    background: linear-gradient(45deg, var(--warning), #f59e0b);
}

/* Publication Header */
.publication-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-4);
}

.publication-type {
    background: linear-gradient(45deg, var(--primary-500), var(--primary-600));
    color: white;
    padding: var(--space-1) var(--space-3);
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.under-review-badge {
    background: linear-gradient(45deg, var(--warning), #f59e0b) !important;
}

.publication-year {
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    padding: var(--space-1) var(--space-3);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 500;
    border: 1px solid var(--border-color);
}

/* Publication Content */
.publication-title {
    font-size: 1.25rem;
    font-weight: 700;
    line-height: 1.4;
    margin-bottom: var(--space-4);
}

.publication-title a {
    color: var(--text-primary);
    text-decoration: none;
    transition: all var(--transition-normal);
}

.publication-title a:hover {
    color: var(--primary-600);
}

.publication-authors {
    font-size: 1rem;
    color: var(--text-secondary);
    margin-bottom: var(--space-3);
    line-height: 1.5;
}

.author-highlight {
    color: var(--primary-600);
    font-weight: 600;
}

.publication-venue {
    font-size: 1rem;
    color: var(--text-primary);
    font-weight: 500;
    margin-bottom: var(--space-3);
    font-style: italic;
}

.publication-meta {
    font-size: 0.875rem;
    color: var(--text-tertiary);
    margin-bottom: var(--space-4);
}

.doi {
    font-family: var(--font-mono);
    background: var(--bg-tertiary);
    padding: var(--space-1) var(--space-2);
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
}

/* Publication Tags */
.publication-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
    margin-bottom: var(--space-6);
}

.tag {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    padding: var(--space-1-5) var(--space-3);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 500;
    border: 1px solid var(--border-color);
    transition: all var(--transition-normal);
    cursor: pointer;
}

.tag:hover {
    background: var(--primary-500);
    color: white;
    border-color: var(--primary-500);
    transform: translateY(-1px);
}

/* Publication Actions */
.publication-actions {
    display: flex;
    gap: var(--space-3);
}

.action-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-4);
    background: var(--primary-500);
    color: white;
    text-decoration: none;
    border-radius: var(--radius-lg);
    font-size: 0.875rem;
    font-weight: 500;
    transition: all var(--transition-normal);
    border: 1px solid var(--primary-500);
}

.action-btn:hover {
    background: var(--primary-600);
    border-color: var(--primary-600);
    color: white;
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.action-btn i {
    font-size: 1rem;
}

/* Filter and Search (for future enhancement) */
.publications-filter {
    display: flex;
    justify-content: center;
    gap: var(--space-4);
    margin-bottom: var(--space-16);
    flex-wrap: wrap;
}

.filter-btn {
    padding: var(--space-2) var(--space-4);
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-full);
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: all var(--transition-normal);
}

.filter-btn:hover,
.filter-btn.active {
    background: var(--primary-500);
    border-color: var(--primary-500);
    color: white;
}

/* Publications Summary */
.publications-summary {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: var(--space-6);
    margin-bottom: var(--space-16);
    text-align: center;
}

.summary-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--space-6);
}

.summary-stat {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.summary-number {
    font-size: 2rem;
    font-weight: 800;
    color: var(--primary-600);
    margin-bottom: var(--space-1);
}

.summary-label {
    font-size: 0.875rem;
    color: var(--text-tertiary);
    font-weight: 500;
}

/* Responsive Design */
@media (max-width: 768px) {
    .publications-title {
        font-size: 2.5rem;
    }
    
    .publications-subtitle {
        font-size: 1.125rem;
    }
    
    .publications-stats {
        flex-direction: column;
        gap: var(--space-4);
    }
    
    .category-header {
        flex-direction: column;
        text-align: center;
        gap: var(--space-3);
    }
    
    .category-title {
        font-size: 1.5rem;
    }
    
    .publications-grid {
        grid-template-columns: 1fr;
        gap: var(--space-6);
    }
    
    .publication-card {
        padding: var(--space-6);
    }
    
    .publication-header {
        flex-direction: column;
        gap: var(--space-2);
        align-items: flex-start;
    }
    
    .publication-actions {
        flex-direction: column;
    }
    
    .publications-filter {
        gap: var(--space-2);
    }
    
    .filter-btn {
        padding: var(--space-1-5) var(--space-3);
        font-size: 0.875rem;
    }
}

@media (max-width: 480px) {
    .publications-title {
        font-size: 2rem;
    }
    
    .publications-subtitle {
        font-size: 1rem;
    }
    
    .category-icon {
        width: 40px;
        height: 40px;
        font-size: 1rem;
    }
    
    .category-title {
        font-size: 1.25rem;
    }
    
    .publication-card {
        padding: var(--space-4);
    }
    
    .publication-title {
        font-size: 1.125rem;
    }
    
    .tag {
        font-size: 0.75rem;
        padding: var(--space-1) var(--space-2);
    }
    
    .action-btn {
        font-size: 0.75rem;
        padding: var(--space-1-5) var(--space-3);
    }
}