/**
 * Single Post Styles - 文章详情页
 *
 * @package Yali_Theme
 */

/* Single Page Layout */
.single-page {
    background: var(--yali-bg);
    min-height: calc(100vh - 200px);
}

/* Single Page Header - 复用通用页面头部样式 */
.single-page-header {
    /* 样式继承自 .page-header */
}

.single-title {
    font-size: 2.25rem;
    line-height: 1.3;
}

.post-category-badge {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: rgba(255, 255, 255, 0.15);
    color: #fff;
    font-size: 0.875rem;
    font-weight: 600;
    border-radius: var(--yali-radius-full);
    margin-bottom: 1rem;
    text-decoration: none;
    position: relative;
    /* z-index在general.css中统一管理为10 */
    transition: var(--yali-transition);
}

.post-category-badge:hover {
    background: #fff;
    color: var(--yali-primary);
}

.post-meta-header {
    position: relative;
    /* z-index在general.css中统一管理为10 */
}

.author-info {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
}

.author-info img {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.author-details {
    display: flex;
    flex-direction: column;
    text-align: left;
}

.author-details .author-name {
    font-weight: 500;
    color: #fff;
    font-size: 0.9375rem;
}

.author-details .post-date {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.8);
}

/* Single Page Body */
.single-page .page-body {
    padding: 0 1.5rem 5rem;
    margin-top: 1rem; /* 增加与header的距离 */
    position: relative;
    z-index: 5; /* 低于header内容 */
}

.single-page .container-narrow {
    max-width: 960px;
    margin: 0 auto;
}

.post-featured-image {
    margin-bottom: 2rem;
    border-radius: var(--yali-radius-lg);
    overflow: hidden;
    box-shadow: var(--yali-shadow);
}

.post-featured-image img {
    width: 100%;
    height: auto;
    display: block;
}

.post-content-wrapper {
    background: var(--yali-card);
    padding: 3rem;
    border-radius: var(--yali-radius-lg);
    box-shadow: 0 10px 30px -5px rgba(0, 0, 0, 0.08); /* Softer floating shadow */
    border: 1px solid rgba(255, 255, 255, 0.5); /* Subtle border for glass/premium feel */
    position: relative;
    z-index: 3;
}

/* Post Content Typography */
.post-content {
    font-size: 1.0625rem;
    line-height: 1.9;
    color: var(--yali-text);
}

/* 标题层级优化 */
.post-content h2,
.post-content h3,
.post-content h4 {
    color: var(--yali-secondary);
    margin-top: 2.5rem;
    margin-bottom: 1.25rem;
    font-weight: 600;
}

.post-content h2 {
    font-size: 1.625rem;
    padding-bottom: 0.75rem;
    border-bottom: 2px solid var(--yali-border);
    margin-top: 3rem;
}

.post-content h3 {
    font-size: 1.375rem;
    color: var(--yali-primary);
}

.post-content h4 {
    font-size: 1.125rem;
    margin-top: 2rem;
}

/* 标题后的第一个元素增加额外间距 */
.post-content h2 + *,
.post-content h3 + *,
.post-content h4 + * {
    margin-top: 0.5rem;
}

.post-content p {
    margin-bottom: 1.5rem;
}

.post-content img {
    border-radius: var(--yali-radius);
    margin: 1.5rem 0;
    max-width: 100%;
    height: auto;
    cursor: zoom-in;
    transition: transform 0.2s ease;
}

.post-content img:hover {
    transform: scale(1.02);
}

.post-featured-image img {
    cursor: zoom-in;
}

.post-content a {
    color: var(--yali-primary);
    text-decoration: none;
    border-bottom: 1px solid transparent;
    transition: var(--yali-transition);
}

.post-content a:hover {
    border-bottom-color: var(--yali-primary);
}

.post-content ul,
.post-content ol {
    margin: 1.5rem 0;
    padding-left: 1.5rem;
}

.post-content li {
    margin-bottom: 0.5rem;
}

/* 自定义列表标记 */
.post-content ul {
    list-style: none;
    padding-left: 0;
}

.post-content ul li {
    padding-left: 1.5rem;
    position: relative;
}

.post-content ul li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.6rem;
    width: 6px;
    height: 6px;
    background: var(--yali-primary);
    border-radius: 50%;
}

.post-content ol {
    padding-left: 1.5rem;
}

.post-content ol li {
    padding-left: 0.5rem;
}

/* 表格样式 */
.post-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 1.5rem 0;
    background: var(--yali-card);
    border-radius: var(--yali-radius);
    overflow: hidden;
    box-shadow: var(--yali-shadow-sm);
}

.post-content th,
.post-content td {
    padding: 0.875rem 1rem;
    text-align: left;
    border-bottom: 1px solid var(--yali-border);
}

.post-content th {
    background: var(--yali-secondary);
    color: #fff;
    font-weight: 600;
    font-size: 0.9375rem;
}

.post-content tr:nth-child(even) {
    background: var(--yali-bg-alt);
}

.post-content tr:hover {
    background: rgba(99, 102, 241, 0.05);
}

.post-content tr:last-child td {
    border-bottom: none;
}

/* 分割线 */
.post-content hr {
    border: none;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--yali-border), transparent);
    margin: 2.5rem 0;
}

/* 图文混排 */
.post-content figure {
    margin: 1.5rem 0;
}

.post-content figcaption {
    text-align: center;
    font-size: 0.875rem;
    color: var(--yali-text-muted);
    margin-top: 0.75rem;
    font-style: italic;
}

/* 折叠内容 */
.post-content details {
    background: var(--yali-bg-alt);
    border-radius: var(--yali-radius);
    padding: 1rem;
    margin: 1.5rem 0;
    border: 1px solid var(--yali-border);
}

.post-content summary {
    font-weight: 600;
    color: var(--yali-secondary);
    cursor: pointer;
    outline: none;
}

.post-content summary:hover {
    color: var(--yali-primary);
}

.post-content blockquote {
    border-left: 4px solid var(--yali-primary);
    padding: 1rem 1.5rem;
    margin: 1.5rem 0;
    background: var(--yali-bg-alt);
    border-radius: 0 var(--yali-radius) var(--yali-radius) 0;
    font-style: italic;
}

.post-content pre {
    background: #1e293b;
    color: #e2e8f0;
    padding: 1.5rem;
    border-radius: var(--yali-radius);
    overflow-x: auto;
    margin: 1.5rem 0;
    font-family: var(--yali-font-mono);
    font-size: 0.9rem;
}

.post-content code {
    font-family: var(--yali-font-mono);
    font-size: 0.9em;
    background: var(--yali-bg-alt);
    padding: 0.2rem 0.4rem;
    border-radius: var(--yali-radius-sm);
}

/* Post Footer */
.post-footer {
    padding: 2rem 0;
    border-top: 1px solid var(--yali-border);
    margin-top: 2rem;
}

.post-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    align-items: center;
}

.tags-label {
    color: var(--yali-text-muted);
    font-size: 0.9375rem;
}

.tag-link {
    padding: 0.35rem 0.875rem;
    background: var(--yali-bg-alt);
    color: var(--yali-text-muted);
    border-radius: var(--yali-radius-full);
    font-size: 0.875rem;
    text-decoration: none;
    transition: var(--yali-transition);
}

.tag-link:hover {
    background: var(--yali-primary);
    color: #fff;
}

/* Author Box */
.author-box {
    display: flex;
    gap: 1.5rem;
    padding: 2rem;
    background: var(--yali-bg-alt);
    border-radius: var(--yali-radius-lg);
    margin: 2rem 0;
    align-items: flex-start;
}

.author-box-founder {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.08) 0%, rgba(34, 211, 238, 0.05) 100%);
    border: 1px solid rgba(99, 102, 241, 0.2);
}

.author-avatar img,
.author-avatar svg {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    border: 3px solid var(--yali-card);
    box-shadow: var(--yali-shadow);
}

.author-bio {
    flex: 1;
}

.author-bio .author-name {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--yali-secondary);
    margin-bottom: 0.75rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.author-badge {
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--yali-primary);
    background: rgba(99, 102, 241, 0.1);
    padding: 0.25rem 0.75rem;
    border-radius: var(--yali-radius-full);
}

.author-bio .author-description {
    color: var(--yali-text);
    line-height: 1.7;
    margin: 0 0 1rem 0;
    font-size: 0.9375rem;
}

.author-credentials {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.credential-tag {
    font-size: 0.8125rem;
    color: var(--yali-text-muted);
    background: var(--yali-card);
    padding: 0.35rem 0.75rem;
    border-radius: var(--yali-radius);
    border: 1px solid var(--yali-border);
}

/* Related Posts */
.related-posts {
    margin: 3rem 0;
    padding-top: 2rem;
    border-top: 1px solid var(--yali-border);
}

.related-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    color: var(--yali-secondary);
    padding-bottom: 0.75rem;
    border-bottom: 2px solid var(--yali-primary);
    width: fit-content;
}

.related-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.related-item {
    display: flex;
    gap: 1rem;
    text-decoration: none;
    padding: 1rem;
    background: var(--yali-bg-alt);
    border-radius: var(--yali-radius);
    transition: var(--yali-transition);
    align-items: center;
}

.related-item:hover {
    box-shadow: var(--yali-shadow);
    background: var(--yali-card);
}

.related-thumbnail {
    width: 80px;
    height: 60px;
    flex-shrink: 0;
    border-radius: var(--yali-radius-sm);
    overflow: hidden;
}

.related-thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.related-content h4 {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--yali-secondary);
    margin-bottom: 0.25rem;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.related-date {
    font-size: 0.8rem;
    color: var(--yali-text-light);
}

/* Post Navigation */
.post-navigation {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    margin: 3rem 0;
    padding-top: 2rem;
    border-top: 1px solid var(--yali-border);
}

.nav-prev,
.nav-next {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    text-decoration: none;
    padding: 1.25rem;
    background: var(--yali-bg-alt);
    border-radius: var(--yali-radius);
    transition: var(--yali-transition);
}

.nav-prev:hover,
.nav-next:hover {
    background: var(--yali-primary);
}

.nav-next {
    text-align: right;
}

.nav-placeholder {
    display: none;
}

.nav-label {
    font-size: 0.8rem;
    color: var(--yali-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.nav-prev:hover .nav-label,
.nav-next:hover .nav-label {
    color: rgba(255, 255, 255, 0.8);
}

.nav-title {
    font-weight: 500;
    color: var(--yali-text);
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.nav-prev:hover .nav-title,
.nav-next:hover .nav-title {
    color: #fff;
}

/* Responsive */
@media (max-width: 1024px) {
    .related-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .single-page-header .page-title {
        font-size: 1.5rem;
    }

    .single-page .page-body {
        padding: 0 1rem 3rem;
        margin-top: 0.5rem; /* 移动端增加与标题的距离 */
    }

    .post-content-wrapper {
        padding: 1.5rem;
    }

    .post-content {
        font-size: 1rem;
        line-height: 1.85;
    }

    .post-content h2 {
        font-size: 1.375rem;
        margin-top: 2.5rem;
        margin-bottom: 1rem;
    }

    .post-content h3 {
        font-size: 1.2rem;
    }

    .post-content h4 {
        font-size: 1.05rem;
    }

    /* 移动端表格横向滚动 */
    .post-content table {
        display: block;
        overflow-x: auto;
        white-space: nowrap;
    }

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

    .post-navigation {
        grid-template-columns: 1fr;
    }

    .nav-next {
        text-align: left;
    }

    .author-box {
        flex-direction: column;
        text-align: center;
        padding: 1.5rem;
    }

    .author-bio .author-name {
        font-size: 1.125rem;
        flex-direction: column;
        gap: 0.5rem;
    }

    .author-credentials {
        justify-content: center;
    }

    .credential-tag {
        font-size: 0.75rem;
    }
}