/* Publications Page Styles */
.publications-page {
    background-color: #ffffff;
    color: #333333;
    font-family: 'Poppins', sans-serif;
}

/* Override the navbar styles for better contrast on white background */
.publications-page .navbar {
    background-color: rgba(12, 20, 69, 0.95);
}

.publications-page .navbar.sticky {
    background-color: rgba(12, 20, 69, 0.98);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.publications-page .navbar .menu li a {
    color: #ffffff;
}

/* Hero Section */
.publications-hero {
    background: linear-gradient(135deg, #162163, #0c1445);
    padding: 120px 0 70px;
    color: #ffffff;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.publications-hero::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('images/publications/publications-pattern.png');
    opacity: 0.1;
    background-size: cover;
    background-position: center;
}

.publications-hero .hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
    margin: 0 auto;
}

.publications-hero h1 {
    font-size: 3.5rem;
    margin-bottom: 20px;
    font-weight: 700;
}

.publications-hero p {
    font-size: 1.2rem;
    max-width: 700px;
    margin: 0 auto 40px;
    line-height: 1.6;
}

.citation-metrics {
    display: flex;
    justify-content: center;
    gap: 40px;
    margin-top: 30px;
}

.metric {
    background: rgba(255, 255, 255, 0.1);
    padding: 15px 25px;
    border-radius: 10px;
    backdrop-filter: blur(5px);
    min-width: 120px;
}

.metric-value {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 5px;
    color: #ffffff;
}

.metric-label {
    font-size: 0.9rem;
    opacity: 0.8;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Publications Filters Section */
.publications-filters {
    background: #f8f9fa;
    padding: 30px 0;
    box-shadow: 0 2px 15px rgba(0, 0, 0, 0.05);
    position: sticky;
    top: 70px;
    z-index: 90;
}

.search-container {
    display: flex;
    max-width: 500px;
    margin: 0 auto 20px;
}

#publication-search {
    flex: 1;
    padding: 12px 15px;
    border: 1px solid #e0e0e0;
    border-radius: 8px 0 0 8px;
    font-size: 16px;
    font-family: 'Poppins', sans-serif;
}

#publication-search:focus {
    outline: none;
    border-color: #162163;
}

#search-btn {
    background: #162163;
    color: white;
    border: none;
    padding: 0 20px;
    border-radius: 0 8px 8px 0;
    cursor: pointer;
}

#search-btn:hover {
    background: #0c1445;
}

.filter-container {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: 30px;
}

.filter-group {
    display: flex;
    align-items: center;
    gap: 15px;
}

.filter-label {
    font-weight: 600;
    color: #333;
}

.filter-options {
    display: flex;
    gap: 10px;
}

.filter-btn, .year-btn {
    padding: 8px 15px;
    border: none;
    border-radius: 5px;
    background: #eee;
    color: #333;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
}

.filter-btn:hover, .year-btn:hover {
    background: #ddd;
}

.filter-btn.active, .year-btn.active {
    background: #162163;
    color: white;
}

/* Publications List Section */
.publications-list-section {
    padding: 50px 0;
}

.publications-container {
    width: 100%; /* Use full width of container */
    margin: 0 auto;
}

.publication-item {
    display: flex;
    margin-bottom: 40px;
    background: #fff;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}

.publication-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.publication-type {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 120px;
    padding: 20px;
    color: white;
    text-align: center;
    flex-shrink: 0;
}

.publication-type i {
    font-size: 24px;
    margin-bottom: 8px;
}

.publication-type span {
    font-size: 14px;
    font-weight: 500;
}

.publication-type.journal {
    background: linear-gradient(135deg, #1e5799, #207cca);
}

.publication-type.conference {
    background: linear-gradient(135deg, #9b4dca, #673ab7);
}

.publication-type.workshop {
    background: linear-gradient(135deg, #ff9800, #ff5722);
}

.publication-type.technical {
    background: linear-gradient(135deg, #4caf50, #009688);
}

.publication-type.preprint {
    background: linear-gradient(135deg, #607d8b, #455a64);
}

.publication-content {
    padding: 25px;
    flex: 1;
}

.publication-content h2 {
    font-size: 20px;
    color: #162163;
    margin-bottom: 10px;
    line-height: 1.4;
    font-weight: 600;
}

.authors {
    font-size: 15px;
    color: #555;
    margin-bottom: 15px;
}

.publication-details {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
}

.venue {
    font-size: 15px;
    color: #444;
    font-style: italic;
    flex: 1;
}

.publication-date {
    font-size: 15px;
    font-weight: 600;
    color: #162163;
    padding: 5px 12px;
    background: rgba(22, 33, 99, 0.1);
    border-radius: 20px;
}

.publication-abstract {
    font-size: 15px;
    line-height: 1.6;
    color: #555;
    margin-bottom: 15px;
}

.keywords {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 20px;
}

.keyword {
    padding: 5px 12px;
    background: #f0f3f8;
    border-radius: 20px;
    font-size: 13px;
    color: #162163;
    font-weight: 500;
    transition: all 0.2s ease;
}

.keyword:hover {
    background: #e0e7ff;
}

.publication-links {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

.pub-link {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 15px;
    background: #f8f9fa;
    border-radius: 5px;
    text-decoration: none;
    color: #333;
    font-size: 14px;
    transition: all 0.2s ease;
}

.pub-link:hover {
    background: #162163;
    color: white;
}

.abstract-toggle {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 15px;
    background: #f8f9fa;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 14px;
    transition: all 0.2s ease;
}

.abstract-toggle:hover {
    background: #e0e7ff;
}

.full-abstract {
    display: none;
    margin-top: 20px;
    padding: 20px;
    background: #f8f9fa;
    border-radius: 10px;
    font-size: 15px;
    line-height: 1.7;
    color: #333;
}

.citation-box {
    margin-top: 20px;
    padding: 15px;
    background: #fff;
    border-radius: 8px;
    border-left: 4px solid #162163;
}

.citation-box h4 {
    font-size: 16px;
    margin-bottom: 10px;
    color: #162163;
}

.citation-text {
    font-family: 'Consolas', monospace;
    background: #f5f5f5;
    padding: 12px;
    border-radius: 5px;
    font-size: 13px;
    overflow-x: auto;
    white-space: pre-wrap;
    margin-bottom: 10px;
}

.citation-actions {
    display: flex;
    gap: 15px;
}

.copy-citation, .download-citation {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    background: #f0f3f8;
    border: none;
    border-radius: 5px;
    font-size: 13px;
    cursor: pointer;
    color: #162163;
    text-decoration: none;
    transition: all 0.2s ease;
}

.copy-citation:hover, .download-citation:hover {
    background: #e0e7ff;
}

/* No Results Message */
.no-results {
    display: none;
    text-align: center;
    padding: 50px 20px;
    background: #f8f9fa;
    border-radius: 10px;
    margin: 40px 0;
}

.no-results i {
    font-size: 40px;
    color: #ddd;
    margin-bottom: 20px;
}

.no-results p {
    font-size: 18px;
    color: #777;
    margin-bottom: 20px;
}

#reset-filters {
    background: #162163;
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 5px;
    cursor: pointer;
    font-size: 14px;
    transition: all 0.2s ease;
}

#reset-filters:hover {
    background: #0c1445;
}

/* Research Profiles Section */
.research-profiles {
    padding: 60px 0;
    background: #f0f3f8;
}

.section-title {
    text-align: center;
    font-size: 28px;
    color: #162163;
    margin-bottom: 10px;
    font-weight: 700;
}

.section-description {
    text-align: center;
    font-size: 16px;
    color: #555;
    max-width: 700px;
    margin: 0 auto 30px;
}

.profiles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 25px;
    max-width: 1000px;
    margin: 0 auto;
}

.profile-card {
    display: flex;
    align-items: center;
    gap: 20px;
    background: white;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    text-decoration: none;
    color: #333;
    transition: all 0.3s ease;
}

.profile-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
}

.profile-icon {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    color: white;
    flex-shrink: 0;
}

.profile-icon.google-scholar {
    background: #4285F4;
}

.profile-icon.researchgate {
    background: #00CCBB;
}

.profile-icon.orcid {
    background: #A6CE39;
}

.profile-icon.semantic-scholar {
    background: #1857B6;
}

.profile-info h3 {
    font-size: 16px;
    margin-bottom: 5px;
    color: #162163;
}

.profile-info p {
    font-size: 14px;
    color: #666;
}

/* Research Interests Section */
.research-interests {
    padding: 60px 0;
    background: white;
}

.interests-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    max-width: 1000px;
    margin: 40px auto 0;
}

.interest-card {
    background: #f8f9fa;
    padding: 30px;
    border-radius: 10px;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}

.interest-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
    background: #162163;
    color: white;
}

.interest-card:hover h3 {
    color: white;
}

.interest-icon {
    width: 70px;
    height: 70px;
    background: #e0e7ff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    color: #162163;
    margin: 0 auto 20px;
    transition: all 0.3s ease;
}

.interest-card:hover .interest-icon {
    background: white;
}

.interest-card h3 {
    font-size: 18px;
    color: #162163;
    margin-bottom: 15px;
    transition: all 0.3s ease;
}

.interest-card p {
    font-size: 15px;
    line-height: 1.6;
    color: #555;
    transition: all 0.3s ease;
}

.interest-card:hover p {
    color: #ddd;
}

/* Collaboration Section */
.collaboration {
    padding: 60px 0;
    background: linear-gradient(135deg, #162163, #0c1445);
    color: white;
    text-align: center;
}

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

.collaboration h2 {
    font-size: 32px;
    margin-bottom: 20px;
}

.collaboration p {
    font-size: 18px;
    line-height: 1.7;
    margin-bottom: 30px;
}

.collab-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: white;
    color: #162163;
    padding: 12px 30px;
    border-radius: 30px;
    font-size: 16px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
}

.collab-btn:hover {
    background: #f0f3f8;
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

/* Responsive Design */
@media (max-width: 991px) {
    .publications-hero h1 {
        font-size: 2.8rem;
    }
    
    .publications-hero p {
        font-size: 1.1rem;
    }
    
    .citation-metrics {
        gap: 20px;
    }
    
    .metric {
        padding: 12px 20px;
    }
    
    .metric-value {
        font-size: 2rem;
    }
    
    .collaboration h2 {
        font-size: 28px;
    }
    
    .collaboration p {
        font-size: 16px;
    }
}

@media (max-width: 768px) {
    .publications-hero h1 {
        font-size: 2.2rem;
    }
    
    .publications-filters {
        padding: 20px 0;
        top: 60px;
    }
    
    .filter-container {
        flex-direction: column;
        align-items: stretch;
        gap: 15px;
    }
    
    .filter-group {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }
    
    .filter-options {
        width: 100%;
        overflow-x: auto;
        padding-bottom: 10px;
        white-space: nowrap;
    }
    
    .publication-item {
        flex-direction: column;
    }
    
    .publication-type {
        width: 100%;
        flex-direction: row;
        padding: 15px;
        justify-content: flex-start;
        gap: 15px;
    }
    
    .publication-type i {
        margin-bottom: 0;
    }
    
    .publication-content h2 {
        font-size: 18px;
    }
    
    .publication-details {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }
    
    .publication-date {
        align-self: flex-start;
    }
    
    .citation-metrics {
        flex-direction: column;
        align-items: center;
        gap: 15px;
    }
    
    .metric {
        min-width: 200px;
    }
}

@media (max-width: 576px) {
    .publications-hero h1 {
        font-size: 1.8rem;
    }
    
    .publication-content {
        padding: 20px;
    }
    
    .citation-actions {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }
    
    .collaboration h2 {
        font-size: 24px;
    }
    
    .collaboration p {
        font-size: 15px;
    }
    
    .collab-btn {
        padding: 10px 25px;
        font-size: 15px;
    }
    
    .section-title {
        font-size: 24px;
    }
}

/* Animation and Effects */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.publication-item {
    animation: fadeInUp 0.5s ease-out forwards;
    opacity: 0;
}

.publication-item:nth-child(1) {
    animation-delay: 0.1s;
}

.publication-item:nth-child(2) {
    animation-delay: 0.2s;
}

.publication-item:nth-child(3) {
    animation-delay: 0.3s;
}

.publication-item:nth-child(4) {
    animation-delay: 0.4s;
}

.publication-item:nth-child(5) {
    animation-delay: 0.5s;
}