/* Article Page Styles */
.article-banner {
    padding: 150px 0 0;
    background: linear-gradient(135deg, var(--dark-color) 0%, var(--secondary-color) 100%);
    color: var(--white);
    position: relative;
}

.article-header {
    margin-bottom: 40px;
    position: relative;
    z-index: 2;
}

.article-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    margin-bottom: 20px;
    font-size: 14px;
    opacity: 0.9;
}

.article-category {
    background: rgba(255,255,255,0.1);
    padding: 5px 15px;
    border-radius: 30px;
    font-weight: 600;
}

.article-date, .article-reading-time {
    display: flex;
    align-items: center;
    gap: 5px;
}

.article-title {
    font-size: 42px;
    line-height: 1.3;
    margin-bottom: 30px;
    background: linear-gradient(90deg, var(--white), rgba(255,255,255,0.9));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.article-author {
    display: flex;
    align-items: center;
    gap: 15px;
}

.author-avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--primary-color);
}

.author-name {
    font-weight: 600;
    display: block;
}

.author-title {
    font-size: 14px;
    opacity: 0.8;
}

.article-banner-image {
    height: 400px;
    overflow: hidden;
    position: relative;
    margin-top: 50px;
    border-top-left-radius: 30px;
    border-top-right-radius: 30px;
    background: var(--dark-color);
}

.article-banner-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.9;
}

.article-content {
    padding: 80px 0;
    position: relative;
    background: var(--white);
    margin-top: -30px;
    border-top-left-radius: 30px;
    border-top-right-radius: 30px;
    z-index: 2;
}

.article-intro .lead {
    font-size: 20px;
    line-height: 1.7;
    margin-bottom: 40px;
    color: var(--secondary-color);
    font-weight: 500;
}

.article-toc {
    background: rgba(110, 69, 226, 0.05);
    padding: 30px;
    border-radius: 15px;
    margin-bottom: 50px;
    border-left: 4px solid var(--primary-color);
}

.article-toc h3 {
    margin-bottom: 15px;
    color: var(--primary-color);
}

.article-toc ul {
    list-style: none;
    padding-left: 0;
}

.article-toc li {
    margin-bottom: 10px;
    position: relative;
    padding-left: 25px;
}

.article-toc li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 15px;
    height: 2px;
    background: var(--primary-color);
}

.article-toc a {
    color: var(--secondary-color);
    transition: var(--transition);
}

.article-toc a:hover {
    color: var(--primary-color);
    text-decoration: underline;
}

article h2 {
    font-size: 32px;
    margin: 60px 0 25px;
    color: var(--secondary-color);
    position: relative;
    padding-bottom: 10px;
}

article h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    border-radius: 3px;
}

article h3 {
    font-size: 24px;
    margin: 40px 0 20px;
    color: var(--secondary-color);
}

article p {
    margin-bottom: 20px;
    line-height: 1.8;
    font-size: 17px;
}

pre {
    background: #282c34;
    border-radius: 10px;
    padding: 20px;
    margin: 25px 0;
    overflow-x: auto;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

code {
    font-family: 'Courier New', Courier, monospace;
    font-size: 15px;
}

.article-alert {
    background: rgba(255, 193, 7, 0.1);
    border-left: 4px solid #ffc107;
    padding: 20px;
    border-radius: 5px;
    margin: 25px 0;
    display: flex;
    gap: 15px;
}

.article-alert i {
    color: #ffc107;
    font-size: 24px;
}

.article-tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 20px;
    margin: 30px 0;
}

.tool-card {
    background: var(--light-color);
    padding: 25px;
    border-radius: 10px;
    transition: var(--transition);
    border: 1px solid rgba(0,0,0,0.05);
}

.tool-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.05);
}

.tool-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(45deg, var(--primary-color), var(--accent-color));
    color: var(--white);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    margin-bottom: 15px;
}

.tool-card h4 {
    margin-bottom: 10px;
    font-size: 18px;
}

.tool-card p {
    font-size: 15px;
    color: var(--text-light);
    margin-bottom: 0;
}

.article-tip {
    background: rgba(110, 69, 226, 0.05);
    border-left: 4px solid var(--primary-color);
    padding: 20px;
    border-radius: 5px;
    margin: 25px 0;
    display: flex;
    gap: 15px;
}

.article-tip i {
    color: var(--primary-color);
    font-size: 24px;
}

.article-conclusion {
    margin: 60px 0;
    padding: 40px;
    background: linear-gradient(135deg, rgba(110, 69, 226, 0.03) 0%, rgba(255, 126, 95, 0.03) 100%);
    border-radius: 15px;
    position: relative;
    overflow: hidden;
}

.article-conclusion::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="100" height="100" viewBox="0 0 100 100"><path d="M30,30 Q50,10 70,30 T90,50 Q70,70 50,90 T30,70 Q10,50 30,30 Z" fill="none" stroke="rgba(110, 69, 226, 0.05)" stroke-width="1"/></svg>');
    background-size: 100px 100px;
    opacity: 0.3;
    z-index: 0;
}

.article-conclusion h2 {
    position: relative;
    z-index: 1;
}

.article-conclusion p {
    position: relative;
    z-index: 1;
    font-size: 18px;
}

.article-action {
    background: var(--white);
    padding: 30px;
    border-radius: 15px;
    margin-top: 30px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0,0,0,0.05);
    position: relative;
    z-index: 1;
}

.article-social-share {
    display: flex;
    align-items: center;
    gap: 15px;
    margin: 50px 0;
    padding: 20px 0;
    border-top: 1px solid rgba(0,0,0,0.1);
    border-bottom: 1px solid rgba(0,0,0,0.1);
}

.article-social-share span {
    font-weight: 600;
    color: var(--secondary-color);
}

.article-social-share a {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--light-color);
    color: var(--secondary-color);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.article-social-share a:hover {
    background: linear-gradient(45deg, var(--primary-color), var(--accent-color));
    color: var(--white);
    transform: translateY(-3px);
}

.article-author-card {
    display: flex;
    gap: 30px;
    background: var(--light-color);
    padding: 30px;
    border-radius: 15px;
    margin: 60px 0;
    align-items: center;
}

.author-image {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    object-fit: cover;
    border: 5px solid var(--white);
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

.author-info {
    flex: 1;
}

.author-info h3 {
    margin-bottom: 10px;
    color: var(--secondary-color);
}

.author-info p {
    margin-bottom: 15px;
    color: var(--text-light);
}

.author-social {
    display: flex;
    gap: 10px;
}

.author-social a {
    width: 35px;
    height: 35px;
    border-radius: 50%;
    background: rgba(0,0,0,0.05);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--secondary-color);
    transition: var(--transition);
}

.author-social a:hover {
    background: linear-gradient(45deg, var(--primary-color), var(--accent-color));
    color: var(--white);
}

.related-articles {
    margin: 80px 0 40px;
}

.related-articles h3 {
    margin-bottom: 30px;
    padding-bottom: 15px;
    border-bottom: 1px solid rgba(0,0,0,0.1);
}

.related-article {
    display: block;
    color: var(--secondary-color);
    transition: var(--transition);
    margin-bottom: 30px;
}

.related-article img {
    width: 100%;
    height: 180px;
    object-fit: cover;
    border-radius: 10px;
    margin-bottom: 15px;
    transition: var(--transition);
}

.related-article h4 {
    font-size: 18px;
    transition: var(--transition);
}

.related-article:hover {
    transform: translateY(-5px);
}

.related-article:hover img {
    box-shadow: 0 15px 40px rgba(0,0,0,0.1);
}

.related-article:hover h4 {
    color: var(--primary-color);
}

/* Responsive */
@media (max-width: 991.98px) {
    .article-title {
        font-size: 36px;
    }
    
    article h2 {
        font-size: 28px;
    }
    
    .article-author-card {
        flex-direction: column;
        text-align: center;
    }
    
    .author-social {
        justify-content: center;
    }
}

@media (max-width: 767.98px) {
    .article-banner {
        padding: 120px 0 0;
    }
    
    .article-title {
        font-size: 32px;
    }
    
    .article-banner-image {
        height: 300px;
    }
    
    .article-content {
        padding: 60px 0;
    }
    
    .article-intro .lead {
        font-size: 18px;
    }
    
    article h2 {
        font-size: 26px;
    }
    
    article h3 {
        font-size: 22px;
    }
}

@media (max-width: 575.98px) {
    .article-title {
        font-size: 28px;
    }
    
    .article-meta {
        flex-direction: column;
        gap: 10px;
    }
    
    .article-banner-image {
        height: 250px;
        margin-top: 30px;
    }
    
    .article-toc {
        padding: 20px;
    }
    
    .article-conclusion {
        padding: 30px 20px;
    }
}