/* Articles Listing Page */
.articles-header {
    background-color: var(--bg-secondary);
    padding: 4rem 0;
    margin-bottom: 3rem;
    text-align: center;
    border-bottom: 1px solid var(--border-color);
}

.search-bar {
    display: flex;
    margin-bottom: 2rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.search-input {
    width: 100%;
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 1rem;
    border-radius: 4px;
    font-family: inherit;
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

.search-input:focus {
    outline: none;
    border-color: var(--accent);
}

.filter-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    justify-content: center;
    margin-bottom: 3rem;
}

.filter-btn {
    background-color: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    padding: 0.5rem 1.5rem;
    border-radius: 0;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: inherit;
    font-weight: 500;
    font-size: 0.8rem;
    letter-spacing: 1px;
    text-transform: uppercase;
}

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

.filter-btn.active {
    background-color: var(--accent);
    color: #000000;
    border-color: var(--accent);
}

.articles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 2rem;
    margin-bottom: 4rem;
}

.no-results {
    text-align: center;
    color: var(--text-secondary);
    padding: 3rem;
    font-size: 1.2rem;
    grid-column: 1 / -1;
}

/* Article Detail Page */
.article-detail {
    max-width: 800px;
    margin: 0 auto;
    padding: 2rem 0;
}

.article-cover {
    width: 100%;
    max-height: 500px;
    object-fit: cover;
    border-radius: 8px;
    margin-bottom: 2rem;
}

.article-header {
    padding: 2rem 0;
}

.article-header .article-card-category {
    display: inline-block;
    margin-bottom: 1rem;
}

.article-header h1 {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-family: 'Playfair Display', serif;
    color: var(--text-primary);
    margin-bottom: 1.5rem;
}

.article-meta {
    display: flex;
    gap: 1.5rem;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 1rem;
    margin-bottom: 2rem;
    font-size: 0.95rem;
}

.article-body {
    line-height: 1.9;
    font-size: 1.1rem;
    color: var(--text-primary);
    letter-spacing: 0.01em;
}

.article-body p {
    margin-bottom: 1.75rem;
}

.article-body h2 {
    font-size: 1.8rem;
    margin-top: 3rem;
    margin-bottom: 1.2rem;
    color: var(--text-primary);
    letter-spacing: -0.02em;
}

.article-body h3 {
    font-size: 1.4rem;
    margin-top: 2.5rem;
    margin-bottom: 1rem;
    letter-spacing: -0.01em;
}

.article-body blockquote {
    border-left: 2px solid var(--accent);
    padding-left: 1.5rem;
    font-style: italic;
    color: var(--text-secondary);
    margin: 2.5rem 0;
    font-size: 1.15rem;
    line-height: 1.8;
}

.article-body img {
    width: 100%;
    border-radius: 0;
    margin: 2.5rem 0;
}

.article-share {
    display: flex;
    gap: 1rem;
    align-items: center;
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
}

.share-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: var(--bg-tertiary);
    color: var(--text-primary);
    transition: all 0.3s ease;
}

.share-btn:hover {
    background-color: var(--accent);
    color: #0a0a0a;
}

.related-articles {
    margin-top: 4rem;
    padding-top: 3rem;
    border-top: 1px solid var(--border-color);
}

.related-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}