/**
 * 文章详情页 - 特有样式
 */

/* ========== 文章布局 ========== */
.article-layout {
    max-width: var(--max-width);
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: 30px;
    padding: 0 20px 40px;
}

/* ========== 文章主体 ========== */
.article-main {
    min-width: 0;
}

.article-header {
    margin-bottom: 25px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--border-color);
}

.article-header__title {
    font-size: 26px;
    font-weight: 700;
    color: var(--text-color);
    line-height: 1.4;
    margin-bottom: 15px;
}

.article-header__meta {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
    font-size: 13px;
    color: var(--text-muted);
    margin-bottom: 15px;
}

.article-header__meta-item {
    display: flex;
    align-items: center;
    gap: 4px;
}

.article-header__author {
    color: var(--primary-color);
    font-weight: 500;
}

.article-header__tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.article-header__tag {
    font-size: 12px;
    color: var(--primary-color);
    background: rgba(52, 152, 219, 0.08);
    padding: 4px 12px;
    border-radius: 20px;
    border: 1px solid rgba(52, 152, 219, 0.2);
    transition: var(--transition);
}

.article-header__tag:hover {
    background: var(--primary-color);
    color: #fff;
    border-color: var(--primary-color);
}

/* ========== 文章正文 ========== */
.article-body {
    font-size: 16px;
    line-height: 1.8;
    color: var(--text-color);
    word-break: break-word;
}

.article-body h2 {
    font-size: 22px;
    font-weight: 700;
    color: var(--text-color);
    margin: 30px 0 15px;
    padding-left: 12px;
    border-left: 4px solid var(--primary-color);
}

.article-body h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-color);
    margin: 25px 0 12px;
}

.article-body p {
    margin-bottom: 18px;
    text-indent: 2em;
}

.article-body img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    margin: 20px 0;
    display: block;
}

.article-body ul,
.article-body ol {
    margin: 15px 0;
    padding-left: 2em;
}

.article-body li {
    margin-bottom: 8px;
    line-height: 1.8;
    list-style: disc;
}

.article-body ol li {
    list-style: decimal;
}

.article-body blockquote {
    margin: 20px 0;
    padding: 15px 20px;
    background: var(--section-bg);
    border-left: 4px solid var(--primary-color);
    border-radius: 0 8px 8px 0;
    font-size: 15px;
    color: var(--text-muted);
}

.article-body blockquote p {
    text-indent: 0;
    margin-bottom: 0;
}

.article-body strong {
    color: var(--text-color);
    font-weight: 600;
}

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

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

.article-body table {
    width: 100%;
    border-collapse: collapse;
    margin: 20px 0;
    font-size: 14px;
}

.article-body table th,
.article-body table td {
    padding: 10px 15px;
    border: 1px solid var(--border-color);
    text-align: left;
}

.article-body table th {
    background: var(--section-bg);
    font-weight: 600;
}

.article-body table tr:hover td {
    background: rgba(52, 152, 219, 0.03);
}

/* ========== 文章摘要 ========== */
.article-summary {
    background: var(--section-bg);
    border-radius: 8px;
    padding: 18px 20px;
    margin-bottom: 25px;
    font-size: 14px;
    color: var(--text-muted);
    line-height: 1.8;
    border-left: 4px solid var(--primary-color);
}

.article-summary__title {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    gap: 6px;
}

/* ========== 上一篇/下一篇 ========== */
.article-nav {
    display: flex;
    justify-content: space-between;
    gap: 20px;
    margin-top: 40px;
    padding-top: 25px;
    border-top: 1px solid var(--border-color);
}

.article-nav__item {
    flex: 1;
    min-width: 0;
    padding: 15px 18px;
    background: var(--bg-color);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    transition: var(--transition);
}

.article-nav__item:hover {
    border-color: var(--primary-color);
    box-shadow: 0 4px 15px rgba(52, 152, 219, 0.1);
}

.article-nav__item--next {
    text-align: right;
}

.article-nav__label {
    font-size: 12px;
    color: var(--text-muted);
    margin-bottom: 6px;
}

.article-nav__title {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-color);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.article-nav__item:hover .article-nav__title {
    color: var(--primary-color);
}

/* ========== 侧边栏 ========== */
.article-sidebar {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.sidebar-widget {
    background: var(--bg-color);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    overflow: hidden;
}

.sidebar-widget__header {
    background: linear-gradient(135deg, var(--primary-color), #74b9ff);
    color: #fff;
    padding: 12px 18px;
    font-size: 15px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 6px;
}

.sidebar-widget__body {
    padding: 15px 18px;
}

/* 侧边栏文章列表 */
.sidebar-article-item {
    display: flex;
    gap: 12px;
    padding: 10px 0;
    border-bottom: 1px dashed var(--border-color);
}

.sidebar-article-item:last-child {
    border-bottom: none;
}

.sidebar-article-item__img {
    width: 80px;
    height: 60px;
    object-fit: cover;
    border-radius: 6px;
    flex-shrink: 0;
}

.sidebar-article-item__content {
    flex: 1;
    min-width: 0;
}

.sidebar-article-item__title {
    font-size: 13px;
    font-weight: 500;
    color: var(--text-color);
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    transition: color 0.3s;
}

.sidebar-article-item__title:hover {
    color: var(--primary-color);
}

.sidebar-article-item__meta {
    font-size: 11px;
    color: var(--text-muted);
    margin-top: 5px;
}

/* 侧边栏文字链接列表 */
.sidebar-link-item {
    padding: 10px 0;
    border-bottom: 1px dashed var(--border-color);
}

.sidebar-link-item:last-child {
    border-bottom: none;
}

.sidebar-link-item a {
    font-size: 13px;
    color: var(--text-color);
    line-height: 1.6;
    display: flex;
    align-items: flex-start;
    gap: 8px;
}

.sidebar-link-item a::before {
    content: '•';
    color: var(--primary-color);
    font-weight: bold;
    flex-shrink: 0;
}

.sidebar-link-item a:hover {
    color: var(--primary-color);
}

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

    .article-sidebar {
        flex-direction: row;
        flex-wrap: wrap;
    }

    .sidebar-widget {
        flex: 1;
        min-width: 280px;
    }
}

@media (max-width: 768px) {
    .article-layout {
        padding: 0 15px 30px;
    }

    .article-header__title {
        font-size: 20px;
    }

    .article-body {
        font-size: 15px;
    }

    .article-body h2 {
        font-size: 18px;
    }

    .article-body h3 {
        font-size: 16px;
    }

    .article-nav {
        flex-direction: column;
    }

    .article-nav__item--next {
        text-align: left;
    }

    .article-sidebar {
        flex-direction: column;
    }

    .sidebar-widget {
        min-width: auto;
    }
}