/* Publications Page Styles */

/* Header */
.publications-header {
    /*background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);*/
    background:  linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
    color: white;
    padding: var(--space-2xl) 0;
    /*margin-bottom: var(--space-2xl);*/
    margin-top: 100px;
    text-align: center;
}
.persian-text
{
    text-align: right; 
    direction: rtl;
}
.publications-header h1 
{
    color: white;
    font-size: 3rem;
    margin-bottom: var(--space-sm);
    font-weight: 700;
}

.header-subtitle {
    font-size: 1.2rem;
    opacity: 0.9;
    /*max-width: 600px;*/
    margin: 0 auto var(--space-xl);
    line-height: 1.6;
}

/* Publication Stats */
.publication-stats {
    display: flex;
    justify-content: center;
    gap: var(--space-xl);
    flex-wrap: wrap;
    margin-top: var(--space-lg);
}

.stat-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: var(--space-md);
    min-width: 120px;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: var(--space-xs);
    color: white;
}

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

/* Main Content */
.publications-main {
    padding-bottom: var(--space-2xl);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-md);
}

/* Filter Section */
.filter-section {
    margin-bottom: var(--space-xl);
    padding: var(--space-lg) 0;
    border-bottom: 1px solid var(--border-color);
}

.filter-title {
    font-size: 1.5rem;
    margin-bottom: var(--space-md);
    color: var(--text-primary);
}

.filter-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
}

.filter-btn {
    padding: 0.75rem 1.5rem;
    background-color: var(--bg-tertiary);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    cursor: pointer;
    transition: all var(--transition-fast);
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    font-size: 0.95rem;
}

.filter-btn:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

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

/* Year Sections */
.year-section {
    margin-bottom: var(--space-2xl);
}

.year-title {
    font-size: 2.2rem;
    color: var(--primary-color);
    margin-bottom: var(--space-xl);
    padding-bottom: var(--space-sm);
    border-bottom: 3px solid var(--border-color);
    position: relative;
}

.year-title::after {
    content: '';
    position: absolute;
    bottom: -3px;
    left: 0;
    width: 80px;
    height: 3px;
    background-color: var(--primary-color);
}

/* Publication Cards */
.publications-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-xl);
}

.publication-card {
    background-color: var(--card-bg);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    margin-bottom: 25px;
    box-shadow: var(--shadow-md);
    border-left: 5px solid var(--primary-color);
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
    position: relative;
    overflow: hidden;
}

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

/* Publication Badges */
.pub-badges {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-xs);
    margin-bottom: var(--space-md);
}

.pub-badge {
    padding: 0.4rem 0.8rem;
    border-radius: var(--radius-full);
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.pub-badge.journal {
    background-color: #10b981;
    color: white;
}

.pub-badge.conference {
    background-color: #f59e0b;
    color: white;
}

.pub-badge.thesis {
    background-color: #8b5cf6;
    color: white;
}

.pub-badge.persian {
    background-color: #ef4444;
    color: white;
}

.pub-badge.q1 {
    background-color: #3b82f6;
    color: white;
}

.pub-badge.education {
    background-color: #06b6d4;
    color: white;
}

.pub-badge.ml {
    background-color: #8b5cf6;
    color: white;
}

.pub-badge.healthcare {
    background-color: #ec4899;
    color: white;
}

/* Publication Content */
.pub-content {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.pub-title {
    font-size: 1.5rem;
    color: var(--text-primary);
    line-height: 1.4;
    margin-bottom: var(--space-xs);
}

.pub-subtitle {
    font-size: 1rem;
    color: var(--text-secondary);
    font-style: italic;
    margin-bottom: var(--space-sm);
}

.pub-authors {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: var(--space-xs);
}

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

.pub-venue {
    font-size: 1rem;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    margin-bottom: var(--space-md);
}

.pub-abstract {
    background-color: var(--bg-secondary);
    padding: var(--space-lg);
    border-radius: var(--radius-md);
    margin: var(--space-md) 0;
    border-left: 3px solid var(--primary-color);
}

.pub-abstract p {
    color: var(--text-secondary);
    line-height: 1.7;
    margin: 0;
}

.pub-keywords {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-xs);
    margin: var(--space-md) 0;
}

.keyword {
    padding: 0.4rem 0.8rem;
    background-color: var(--bg-tertiary);
    color: var(--text-primary);
    border-radius: var(--radius-full);
    font-size: 0.85rem;
}

/* Publication Actions */
.pub-actions {
    display: flex;
    gap: var(--space-sm);
    margin-top: var(--space-md);
    flex-wrap: wrap;
}

.action-btn {
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-md);
    font-weight: 500;
    text-decoration: none;
    cursor: pointer;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    border: 2px solid transparent;
    font-size: 0.95rem;
}

.action-btn.primary {
    background-color: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.action-btn.primary:hover {
    background-color: var(--primary-dark);
    transform: translateY(-2px);
}

.action-btn.secondary {
    background-color: var(--bg-tertiary);
    color: var(--text-primary);
    border-color: var(--border-color);
}

.action-btn.secondary:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
    transform: translateY(-2px);
}

.action-btn.outline {
    background-color: transparent;
    color: var(--primary-color);
    border-color: var(--primary-color);
}

.action-btn.outline:hover {
    background-color: var(--primary-color);
    color: white;
    transform: translateY(-2px);
}

/* Back to Home */
.back-home {
    text-align: center;
    margin-top: var(--space-2xl);
    padding-top: var(--space-xl);
    border-top: 1px solid var(--border-color);
}

.back-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    padding: 0.75rem 1.5rem;
    background-color: var(--primary-color);
    color: white;
    text-decoration: none;
    border-radius: var(--radius-md);
    font-weight: 500;
    transition: all var(--transition-fast);
}

.back-btn:hover {
    background-color: var(--primary-dark);
    transform: translateY(-2px);
}

/* Citation Modal */
.citation-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 2000;
    align-items: center;
    justify-content: center;
    padding: var(--space-md);
}

.citation-modal.active {
    display: flex;
}

.modal-content {
    background-color: var(--card-bg);
    border-radius: var(--radius-lg);
    max-width: 600px;
    width: 100%;
    max-height: 80vh;
    overflow: hidden;
    box-shadow: var(--shadow-xl);
    animation: modalFadeIn 0.3s ease;
}

@keyframes modalFadeIn {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-lg);
    border-bottom: 1px solid var(--border-color);
}

.modal-header h3 {
    margin: 0;
    color: var(--text-primary);
}

.modal-close {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    font-size: 1.2rem;
    padding: 0.5rem;
    transition: color var(--transition-fast);
}

.modal-close:hover {
    color: var(--text-primary);
}

.modal-body {
    padding: var(--space-lg);
    overflow-y: auto;
    max-height: 50vh;
}

.citation-text {
    background-color: var(--bg-secondary);
    padding: var(--space-lg);
    border-radius: var(--radius-md);
    font-family: 'Courier New', monospace;
    font-size: 0.9rem;
    line-height: 1.6;
    margin-bottom: var(--space-lg);
    white-space: pre-wrap;
    word-wrap: break-word;
}

.citation-formats {
    display: flex;
    gap: var(--space-sm);
}

.format-btn {
    padding: 0.5rem 1rem;
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    cursor: pointer;
    font-size: 0.9rem;
    transition: all var(--transition-fast);
}

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

.modal-footer {
    padding: var(--space-lg);
    border-top: 1px solid var(--border-color);
    text-align: center;
}

.copy-btn {
    padding: 0.75rem 1.5rem;
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    margin: 0 auto;
    transition: background-color var(--transition-fast);
}

.copy-btn:hover {
    background-color: var(--primary-dark);
}

/* Responsive Design */
@media (max-width: 768px) {
    .publications-header h1 {
        font-size: 2.2rem;
    }
    
    .header-subtitle {
        font-size: 1.1rem;
        padding: 0 var(--space-sm);
    }
    
    .publication-stats {
        gap: var(--space-md);
    }
    
    .stat-item {
        min-width: 100px;
        padding: var(--space-sm);
    }
    
    .stat-number {
        font-size: 2rem;
    }
    
    .year-title {
        font-size: 1.8rem;
    }
    
    .publication-card {
        padding: var(--space-lg);
    }
    
    .pub-title {
        font-size: 1.3rem;
    }
    
    .pub-actions {
        flex-direction: column;
    }
    
    .action-btn {
        width: 100%;
        justify-content: center;
    }
    
    .filter-buttons {
        overflow-x: auto;
        padding-bottom: var(--space-xs);
    }
    
    .filter-btn {
        flex-shrink: 0;
    }
    
    .modal-content {
        margin: var(--space-sm);
    }
}

@media (max-width: 480px) {
    .publication-card {
        padding: var(--space-md);
    }
    
    .pub-badges {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .pub-badge {
        width: fit-content;
    }
    
    .pub-abstract {
        padding: var(--space-md);
    }
    
    .citation-formats {
        flex-wrap: wrap;
    }
}