/* Basic styling for SEO-friendly pages */
body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background: #f7f7f7;
    line-height: 1.6;
    color: #333;
}

header {
    background: rgb(36, 74, 145);
    color: #fff;
    padding: 1em 2em;
}

header h1 {
    margin: 0;
    font-size: 1.5em;
}

nav {
    margin-bottom: 1em;
}

nav a {
    color: #fff;
    text-decoration: none;
}

nav a:hover {
    text-decoration: underline;
}

main {
    max-width: 900px;
    margin: 2em auto;
    background: #fff;
    padding: 2em;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    color: #333;
}

.article-meta {
    background: #f9f9f9;
    padding: 1em;
    border-radius: 4px;
    margin: 1em 0;
    color: #333;
}

.article-meta p {
    margin: 0.5em 0;
}

.abstract,
.keywords,
.citation {
    margin: 1.5em 0;
}

.abstract h2,
.keywords h3,
.citation h3 {
    color: rgb(36, 74, 145);
    border-bottom: 2px solid #e0e0e0;
    padding-bottom: 0.5em;
}

.button-group {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    margin: 1em 0;
}

.btn {
    background: rgb(36, 74, 145);
    color: white;
    border: none;
    padding: 0.8em 1.5em;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.9em;
    text-decoration: none;
    display: inline-block;
}

.btn:hover {
    background: rgb(28, 58, 115);
}

.btn.btn-secondary {
    background: #666;
}

.btn.btn-secondary:hover {
    background: #555;
}

.btn.btn-preview {
    background: #28a745;
}

.btn.btn-preview:hover {
    background: #218838;
}

.btn.btn-small {
    padding: 0.5em 1em;
    font-size: 0.8em;
}

.btn:disabled {
    background: #ccc;
    cursor: not-allowed;
}

.notice {
    color: #856404;
    background-color: #fff3cd;
    border: 1px solid #ffeaa7;
    padding: 0.5em;
    border-radius: 4px;
    margin: 1em 0;
}

.citation-formats {
    background: #f8f9fa;
    padding: 1em;
    border-left: 4px solid rgb(36, 74, 145);
    margin: 1em 0;
}

/* Bulletin pages */
.bulletin-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2em;
    flex-wrap: wrap;
}

.bulletin-actions {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    justify-content: center;
}

.articles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.5em;
    margin: 1em 0;
}

.article-card {
    border: 1px solid #ddd;
    border-radius: 8px;
    padding: 1.5em;
    background: #fff;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

.article-card h3 {
    margin-top: 0;
    color: rgb(36, 74, 145);
}

.article-card h3 a {
    text-decoration: none;
    color: inherit;
}

.article-card h3 a:hover {
    text-decoration: underline;
}

.article-card .authors {
    font-style: italic;
    color: #666;
    margin: 0.5em 0;
}

.article-card .abstract {
    font-size: 0.9em;
    color: #333;
    margin: 1em 0;
}

.article-card .keywords {
    font-size: 0.8em;
    color: #888;
    background: #f0f0f0;
    padding: 0.3em 0.6em;
    border-radius: 3px;
    display: inline-block;
    margin: 0.5em 0;
}

.article-card .doi {
    font-size: 0.8em;
    text-decoration: none;
    color: rgb(36, 74, 145);
}

.article-card .article-actions {
    margin-top: 1em;
}

.bulletins-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 1.5em;
    margin: 2em 0;
}

.bulletin-card {
    border: 1px solid #ddd;
    border-radius: 8px;
    padding: 1.5em;
    background: #fff;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
    text-align: center;
}

.bulletin-card h3 {
    margin-top: 0;
    color: rgb(36, 74, 145);
}

.bulletin-card a {
    text-decoration: none;
    color: inherit;
}

.bulletin-card a:hover {
    text-decoration: underline;
}

/* Ensure buttons have proper text color even inside bulletin cards */
.bulletin-card .btn {
    color: white !important;
}

/* Responsive design */
@media (max-width: 768px) {
    main {
        margin: 1em;
        padding: 1em;
    }

    .bulletin-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 1em;
    }

    .articles-grid {
        grid-template-columns: 1fr;
    }

    .bulletins-grid {
        grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    }

    .button-group {
        flex-direction: column;
    }

    header {
        padding: 1em;
    }
}