:root {
    --primary-color: #1a3a52;
    --secondary-color: #2c5f7f;
    --accent-color: #d4af37;
    --text-dark: #333333;
    --text-light: #666666;
    --border-color: #e0e0e0;
}

body {
    font-family: 'Georgia', 'Times New Roman', serif;
    color: var(--text-dark);
    line-height: 1.7;
}

.bg-primary {
    background-color: var(--primary-color) !important;
}

.navbar {
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.navbar-nav .nav-link {
    font-weight: 500;
    padding: 0.5rem 1.2rem !important;
    color: var(--text-dark);
    text-transform: uppercase;
    font-size: 0.9rem;
    letter-spacing: 0.5px;
}

.navbar-nav .nav-link:hover,
.navbar-nav .nav-link.active {
    color: var(--primary-color);
    border-bottom: 2px solid var(--accent-color);
}

.journal-title {
    font-size: 2.2rem;
    font-weight: 700;
    letter-spacing: 1px;
}

.journal-subtitle {
    font-size: 1rem;
    font-style: italic;
    opacity: 0.9;
}

.card {
    border: 1px solid var(--border-color);
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
    transition: box-shadow 0.3s ease;
}

.card:hover {
    box-shadow: 0 4px 16px rgba(0,0,0,0.12);
}

.card-title {
    color: var(--primary-color);
    font-weight: 600;
}

.btn-primary {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    font-weight: 500;
}

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

.article-item {
    border-left: 3px solid var(--accent-color);
    padding-left: 1.5rem;
    margin-bottom: 2rem;
}

.article-title {
    font-size: 1.3rem;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.article-authors {
    font-style: italic;
    color: var(--text-light);
    margin-bottom: 0.5rem;
}

.article-meta {
    font-size: 0.9rem;
    color: var(--text-light);
}

.board-member-card {
    text-align: center;
    padding: 1.5rem;
}

.board-member-photo {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    object-fit: cover;
    margin-bottom: 1rem;
    border: 3px solid var(--accent-color);
}

.board-member-name {
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 0.3rem;
}

.board-member-position {
    font-weight: 600;
    color: var(--secondary-color);
    font-size: 0.95rem;
}

.board-member-affiliation {
    font-style: italic;
    color: var(--text-light);
    font-size: 0.9rem;
}

.issue-card {
    border-left: 4px solid var(--primary-color);
}

.page-header {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    padding: 3rem 0;
    margin-bottom: 3rem;
}

.page-header h1 {
    font-size: 2.5rem;
    font-weight: 700;
}

footer {
    background-color: #1a1a1a !important;
}

footer h5, footer h6 {
    color: var(--accent-color);
}

.alert {
    border-radius: 0.5rem;
}

.badge {
    font-weight: 500;
    padding: 0.4rem 0.8rem;
}

@media (max-width: 768px) {
    .journal-title {
        font-size: 1.5rem;
    }
    
    .journal-subtitle {
        font-size: 0.85rem;
    }
    
    .page-header h1 {
        font-size: 1.8rem;
    }
}