/* Article Page Styles */

/* Breadcrumb */
.breadcrumb {
    background-color: var(--background-gray);
    padding: 12px 0;
    border-bottom: 1px solid var(--border-color);
}

.breadcrumb ol {
    display: flex;
    list-style: none;
    gap: 8px;
    font-size: 14px;
}

.breadcrumb li:not(:last-child)::after {
    content: '›';
    margin-left: 8px;
    color: var(--text-light);
}

.breadcrumb a {
    color: var(--text-light);
    transition: color 0.2s;
}

.breadcrumb a:hover {
    color: var(--primary-color);
}

.breadcrumb li:last-child {
    color: var(--text-color);
    font-weight: 500;
}

/* Article Main */
.article-main {
    padding: 32px 0;
}

.article-layout {
    display: grid;
    grid-template-columns: 1fr 350px;
    gap: 40px;
    margin-bottom: 48px;
}

/* Article Header */
.article-header {
    margin-bottom: 24px;
}

.article-header .category-tag {
    margin-bottom: 16px;
}

.article-header h1 {
    font-size: 40px;
    line-height: 1.2;
    margin-bottom: 16px;
    color: var(--text-color);
}

.article-summary {
    font-size: 20px;
    line-height: 1.5;
    color: var(--text-light);
    margin-bottom: 24px;
}

.article-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 0;
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

.author-info {
    display: flex;
    align-items: center;
    gap: 12px;
}

.author-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    object-fit: cover;
}

.author-name {
    display: block;
    font-weight: 600;
    color: var(--text-color);
}

.author-role {
    display: block;
    font-size: 14px;
    color: var(--text-light);
}

.publish-info {
    text-align: right;
}

.publish-info time {
    display: block;
    font-weight: 500;
    color: var(--text-color);
}

.read-time {
    display: block;
    font-size: 14px;
    color: var(--text-light);
}

/* Share Buttons */
.share-buttons {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 24px;
}

.share-buttons span {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-color);
}

.share-buttons button {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border: none;
    border-radius: 50%;
    background-color: var(--background-gray);
    color: var(--text-color);
    cursor: pointer;
    transition: background-color 0.2s, color 0.2s;
}

.share-buttons button:hover {
    background-color: var(--primary-color);
    color: #ffffff;
}

/* Article Image */
.article-image {
    margin-bottom: 24px;
}

.article-image img {
    width: 100%;
    height: auto;
}

.article-image figcaption {
    padding: 12px 0;
    font-size: 14px;
    color: var(--text-light);
    border-bottom: 1px solid var(--border-color);
}

.article-image.inline {
    margin: 32px 0;
}

/* Article Body */
.article-body {
    font-size: 18px;
    line-height: 1.8;
}

.article-body p {
    margin-bottom: 24px;
}

.article-body .lead {
    font-size: 22px;
    line-height: 1.6;
    color: var(--text-color);
    font-weight: 500;
}

.article-body h2 {
    font-size: 28px;
    margin: 40px 0 20px;
    color: var(--text-color);
}

.article-body h3 {
    font-size: 22px;
    margin: 32px 0 16px;
    color: var(--text-color);
}

.article-body ul,
.article-body ol {
    margin: 24px 0;
    padding-left: 32px;
}

.article-body li {
    margin-bottom: 12px;
}

.article-body blockquote {
    margin: 32px 0;
    padding: 24px 32px;
    border-left: 4px solid var(--primary-color);
    background-color: var(--background-gray);
}

.article-body blockquote p {
    font-size: 22px;
    font-style: italic;
    line-height: 1.5;
    margin-bottom: 12px;
}

.article-body blockquote cite {
    display: block;
    font-size: 16px;
    font-style: normal;
    color: var(--text-light);
}

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

.article-body a:hover {
    text-decoration: none;
}

/* Article Tags */
.article-tags {
    margin-top: 40px;
    padding-top: 24px;
    border-top: 1px solid var(--border-color);
}

.article-tags span {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-color);
    margin-right: 8px;
}

.article-tags a {
    display: inline-block;
    padding: 6px 12px;
    margin: 4px;
    background-color: var(--background-gray);
    color: var(--text-color);
    font-size: 14px;
    border-radius: 3px;
    text-decoration: none;
    transition: background-color 0.2s;
}

.article-tags a:hover {
    background-color: var(--primary-color);
    color: #ffffff;
}

/* Article Sidebar */
.article-sidebar {
    position: sticky;
    top: 24px;
    align-self: start;
}

.sidebar-section {
    margin-bottom: 32px;
    padding: 20px;
    background-color: var(--background-gray);
}

.sidebar-section h3 {
    font-size: 18px;
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--primary-color);
}

/* Related Stories */
.related-stories {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.related-story a {
    display: flex;
    gap: 12px;
    transition: opacity 0.2s;
}

.related-story:hover a {
    opacity: 0.8;
}

.related-story img {
    width: 100px;
    height: 70px;
    object-fit: cover;
    flex-shrink: 0;
}

.related-story h4 {
    font-size: 14px;
    line-height: 1.4;
    color: var(--link-color);
}

.related-story:hover h4 {
    color: var(--link-hover);
}

/* Sidebar Most Read */
.sidebar-most-read {
    list-style: none;
    counter-reset: most-read;
}

.sidebar-most-read li {
    counter-increment: most-read;
    padding: 12px 0;
    border-bottom: 1px solid var(--border-color);
}

.sidebar-most-read li:last-child {
    border-bottom: none;
}

.sidebar-most-read a {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    font-size: 14px;
    line-height: 1.4;
    color: var(--link-color);
    transition: color 0.2s;
}

.sidebar-most-read a::before {
    content: counter(most-read);
    font-size: 20px;
    font-weight: 700;
    color: var(--primary-color);
    flex-shrink: 0;
    width: 24px;
}

.sidebar-most-read a:hover {
    color: var(--link-hover);
}

/* Key Facts Box */
.key-facts {
    background-color: #ffffff;
    padding: 16px;
    border: 1px solid var(--border-color);
}

.key-facts ul {
    list-style: none;
}

.key-facts li {
    padding: 10px 0;
    border-bottom: 1px solid var(--border-color);
    font-size: 14px;
    line-height: 1.5;
}

.key-facts li:last-child {
    border-bottom: none;
}

.key-facts strong {
    color: var(--primary-color);
    display: inline-block;
    min-width: 60px;
}

/* More Stories */
.more-stories {
    padding-top: 32px;
    border-top: 1px solid var(--border-color);
}

/* Reading Progress Bar */
.reading-progress {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background-color: var(--background-gray);
    z-index: 1000;
}

.reading-progress-bar {
    height: 100%;
    background-color: var(--primary-color);
    width: 0;
    transition: width 0.1s linear;
}

/* Responsive */
@media (max-width: 1024px) {
    .article-layout {
        grid-template-columns: 1fr;
    }

    .article-sidebar {
        position: static;
    }

    .article-header h1 {
        font-size: 32px;
    }

    .article-summary {
        font-size: 18px;
    }
}

@media (max-width: 768px) {
    .article-header h1 {
        font-size: 26px;
    }

    .article-summary {
        font-size: 16px;
    }

    .article-meta {
        flex-direction: column;
        align-items: flex-start;
        gap: 16px;
    }

    .publish-info {
        text-align: left;
    }

    .article-body {
        font-size: 16px;
    }

    .article-body .lead {
        font-size: 18px;
    }

    .article-body h2 {
        font-size: 22px;
    }

    .article-body blockquote p {
        font-size: 18px;
    }

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

@media (max-width: 480px) {
    .related-story a {
        flex-direction: column;
    }

    .related-story img {
        width: 100%;
        height: 150px;
    }

    .breadcrumb ol {
        flex-wrap: wrap;
    }
}