/* ============================================
   Publications Page Specific Styles
   ============================================ */

/* Page Header */
.page-header {
    background: linear-gradient(135deg, rgba(26, 26, 46, 0.95) 0%, rgba(0, 102, 204, 0.9) 100%), 
                url('https://images.unsplash.com/photo-1481627834876-b7833e8f5570?w=1920') center/cover;
    padding: 50px 0 50px;
    color: #fff;
    position: relative;
    margin-top: 76px;
}

/* Publications Overview Section */
.publications-overview {
    background: #fff;
}

.publication-stats-inline {
    margin-top: 2rem;
}

.stat-item {
    display: flex;
    align-items: center;
    font-size: 1.1rem;
    color: var(--text-dark);
}

.stat-item i {
    font-size: 1.5rem;
    width: 40px;
}

.stat-item strong {
    margin: 0 0.5rem;
    color: var(--primary-color);
    font-size: 1.3rem;
}

.stat-card {
    background: #fff;
    border-radius: 16px;
    padding: 2rem;
    text-align: center;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    height: 100%;
}

.stat-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.stat-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
    font-size: 1.5rem;
    color: #fff;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--dark-color);
    margin-bottom: 0.5rem;
}

.stat-label {
    color: var(--text-light);
    font-size: 1rem;
    margin: 0;
}

/* Research Areas Section */
.research-areas {
    background: var(--light-color);
}

.research-categories {
    margin-top: 2rem;
}

.category-item {
    padding: 1.5rem;
    background: #fff;
    border-radius: 12px;
    transition: var(--transition);
    border-left: 4px solid var(--primary-color);
}

.category-item:hover {
    transform: translateX(10px);
    box-shadow: var(--shadow-md);
}

.category-item h5 {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
    color: var(--dark-color);
}

.category-item p {
    margin: 0;
    font-size: 0.95rem;
}

.form-select,
.form-control {
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    padding: 0.75rem 1rem;
    font-size: 1rem;
    transition: var(--transition);
}

.form-select:focus,
.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(0, 102, 204, 0.1);
}

/* Featured Publications */
.publication-card {
    background: #fff;
    border-radius: 16px;
    padding: 2rem;
    height: 100%;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    border: 1px solid #f0f0f0;
}

.publication-card.featured {
    border: 2px solid var(--primary-color);
    position: relative;
    overflow: hidden;
}

.publication-card.featured::before {
    content: 'Featured';
    position: absolute;
    top: 20px;
    right: -30px;
    background: var(--gradient-primary);
    color: #fff;
    padding: 0.25rem 3rem;
    font-size: 0.875rem;
    font-weight: 600;
    transform: rotate(45deg);
}

.publication-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.publication-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.publication-type {
    background: var(--gradient-primary);
    color: #fff;
    padding: 0.25rem 1rem;
    border-radius: 50px;
    font-size: 0.875rem;
    font-weight: 600;
}

.publication-year {
    color: var(--text-light);
    font-weight: 600;
}

.publication-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--dark-color);
    margin-bottom: 1rem;
    line-height: 1.4;
}

.publication-authors {
    color: var(--text-light);
    font-style: italic;
    margin-bottom: 1rem;
    font-size: 0.95rem;
}

.publication-abstract {
    color: var(--text-dark);
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.publication-stats {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
}

.publication-stats span {
    color: var(--text-light);
    font-size: 0.875rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.publication-stats i {
    color: var(--primary-color);
}

.publication-actions {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

/* Recent Publications List */
.publication-item {
    background: #fff;
    border-radius: 12px;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    border: 1px solid #f0f0f0;
}

.publication-item:hover {
    transform: translateX(5px);
    box-shadow: var(--shadow-md);
    border-color: var(--primary-color);
}

.publication-info h4 {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--dark-color);
    margin-bottom: 0.75rem;
    line-height: 1.4;
}

.publication-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 0.75rem;
    font-size: 0.9rem;
}

.publication-meta .authors {
    color: var(--text-light);
    font-style: italic;
}

.publication-meta .journal {
    color: var(--primary-color);
    font-weight: 600;
}

.publication-meta .year {
    color: var(--text-light);
}

.publication-description {
    color: var(--text-dark);
    font-size: 0.95rem;
    margin: 0;
}

.publication-buttons {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.publication-buttons .btn {
    font-size: 0.875rem;
}

/* Research Impact Section */
.research-impact {
    background: #fff;
}

.impact-card {
    text-align: center;
    padding: 2.5rem;
    background: var(--light-color);
    border-radius: 16px;
    height: 100%;
    transition: var(--transition);
}

.impact-card:hover {
    background: #fff;
    box-shadow: var(--shadow-md);
    transform: translateY(-5px);
}

.impact-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    font-size: 2rem;
    color: #fff;
}

.impact-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--dark-color);
}

.impact-card p {
    color: var(--text-light);
    margin: 0;
}

/* Image Wrapper */
.image-wrapper {
    position: relative;
    overflow: hidden;
    border-radius: 16px;
    box-shadow: var(--shadow-lg);
}

.image-wrapper img {
    width: 100%;
    height: auto;
    transition: transform 0.5s ease;
}

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

/* Responsive Adjustments */
@media (max-width: 992px) {
    .publication-card.featured::before {
        font-size: 0.75rem;
        padding: 0.2rem 2rem;
        right: -25px;
    }
    
    .publication-stats {
        justify-content: center;
    }
}

@media (max-width: 768px) {
    .stat-card {
        padding: 1.5rem;
    }
    
    .stat-number {
        font-size: 2rem;
    }
    
    .publication-title {
        font-size: 1.125rem;
    }
    
    .publication-meta {
        font-size: 0.85rem;
        gap: 0.5rem;
    }
    
    .filter-section {
        padding: 1.5rem;
    }
    
    .publication-item {
        padding: 1.25rem;
    }
    
    .publication-info h4 {
        font-size: 1rem;
    }
    
    .impact-card {
        padding: 2rem;
    }
}