/* Single Post Page Styles */

/* ============================================
   Breadcrumb Navigation
   ============================================ */
.breadcrumb-section {
    background-color: #f8f9fa;
    padding: var(--spacing-md) 0;
    border-bottom: 1px solid #e9ecef;
}

.breadcrumb {
    font-size: 14px;
}

.breadcrumb-list {
    list-style: none;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
    margin: 0;
    padding: 0;
}

.breadcrumb-item a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color var(--transition-speed) var(--transition-easing);
}

.breadcrumb-item a:hover {
    color: #e66a00;
    text-decoration: underline;
}

.breadcrumb-item.active {
    color: var(--text-dark);
    font-weight: 600;
}

.breadcrumb-item:not(:last-child)::after {
    content: "/";
    margin-left: var(--spacing-sm);
    color: #ccc;
}

/* ============================================
   Post Content Section
   ============================================ */
.post-content-section {
    padding: var(--spacing-xl) 0;
    background-color: #fff;
}

.post-wrapper {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--spacing-xl);
}

/* ============================================
   Post Main Content
   ============================================ */
.post-main {
    background: white;
}

/* ============================================
   Post Header
   ============================================ */
.post-header {
    margin-bottom: var(--spacing-xl);
    padding-bottom: var(--spacing-xl);
    border-bottom: 2px solid #f0f0f0;
}

.post-title {
    font-size: 42px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: var(--spacing-lg);
    line-height: 1.3;
}

/* ============================================
   Post Meta Information
   ============================================ */
.post-meta {
    display: flex;
    gap: var(--spacing-lg);
    font-size: 14px;
    color: #999;
    margin-bottom: var(--spacing-md);
    flex-wrap: wrap;
}

.post-date,
.post-author,
.post-reading-time {
    display: flex;
    align-items: center;
    gap: 6px;
}

.post-author a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color var(--transition-speed) var(--transition-easing);
}

.post-author a:hover {
    color: #e66a00;
    text-decoration: underline;
}

.icon-calendar::before {
    content: "📅";
}

.icon-user::before {
    content: "👤";
}

.icon-clock::before {
    content: "⏱️";
}

/* ============================================
   Post Categories
   ============================================ */
.post-categories {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.category-badge {
    display: inline-block;
    background: #fff3e0;
    color: var(--primary-color);
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    text-decoration: none;
    transition: all var(--transition-speed) var(--transition-easing);
}

.category-badge:hover {
    background: var(--primary-color);
    color: white;
}

/* ============================================
   Featured Image
   ============================================ */
.post-featured-image {
    margin-bottom: var(--spacing-xl);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
}

.post-featured-image img {
    width: 100%;
    height: auto;
    display: block;
    transition: transform var(--transition-speed) var(--transition-easing);
}

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

/* ============================================
   Post Body Content
   ============================================ */
.post-body {
    font-size: 16px;
    line-height: 1.8;
    color: #555;
    margin-bottom: var(--spacing-xl);
}

.post-body h2 {
    font-size: 28px;
    font-weight: 700;
    color: var(--text-dark);
    margin: var(--spacing-lg) 0 var(--spacing-md);
    line-height: 1.3;
}

.post-body h3 {
    font-size: 22px;
    font-weight: 700;
    color: var(--text-dark);
    margin: var(--spacing-lg) 0 var(--spacing-md);
    line-height: 1.3;
}

.post-body h4 {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-dark);
    margin: var(--spacing-md) 0 var(--spacing-sm);
}

.post-body p {
    margin-bottom: var(--spacing-md);
}

.post-body a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color var(--transition-speed) var(--transition-easing);
}

.post-body a:hover {
    color: #e66a00;
    text-decoration: underline;
}

.post-body ul,
.post-body ol {
    margin-bottom: var(--spacing-md);
    margin-left: var(--spacing-lg);
}

.post-body li {
    margin-bottom: var(--spacing-sm);
}

.post-body blockquote {
    border-left: 4px solid var(--primary-color);
    padding-left: var(--spacing-lg);
    margin: var(--spacing-lg) 0;
    font-style: italic;
    color: #666;
}

.post-body code {
    background: #f5f5f5;
    padding: 2px 6px;
    border-radius: 4px;
    font-family: 'Courier New', monospace;
    font-size: 14px;
}

.post-body pre {
    background: #f5f5f5;
    padding: var(--spacing-md);
    border-radius: 8px;
    overflow-x: auto;
    margin-bottom: var(--spacing-md);
}

.post-body pre code {
    background: none;
    padding: 0;
}

.post-body img {
    max-width: 100%;
    height: auto;
    margin: var(--spacing-lg) 0;
    border-radius: 8px;
}

/* WordPress 对齐类支持 */
.post-body .aligncenter,
.post-body img.aligncenter {
    display: block;
    margin-left: auto;
    margin-right: auto;
}

.post-body .alignleft {
    float: left;
    margin-right: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.post-body .alignright {
    float: right;
    margin-left: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.post-body table {
    width: 100%;
    border-collapse: collapse;
    margin: var(--spacing-lg) 0;
}

.post-body table th,
.post-body table td {
    border: 1px solid #e9ecef;
    padding: var(--spacing-md);
    text-align: left;
}

.post-body table th {
    background: #f8f9fa;
    font-weight: 700;
}

/* ============================================
   Post Tags
   ============================================ */
.post-tags {
    padding: var(--spacing-lg);
    background: #f8f9fa;
    border-radius: 8px;
    margin-bottom: var(--spacing-xl);
}

.tags-title {
    font-size: 14px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: var(--spacing-md);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.tags-list {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.tag-badge {
    display: inline-block;
    background: white;
    color: var(--text-dark);
    padding: 6px 12px;
    border-radius: 20px;
    border: 1px solid #e9ecef;
    font-size: 12px;
    text-decoration: none;
    transition: all var(--transition-speed) var(--transition-easing);
}

.tag-badge:hover {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

/* ============================================
   Post Navigation
   ============================================ */
.post-navigation {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-xl);
    border-top: 2px solid #f0f0f0;
}

.nav-previous,
.nav-next {
    display: flex;
}

.nav-next {
    justify-content: flex-end;
}

.nav-link {
    display: flex;
    flex-direction: column;
    gap: 6px;
    color: var(--text-dark);
    text-decoration: none;
    transition: all var(--transition-speed) var(--transition-easing);
    padding: var(--spacing-md);
    border-radius: 8px;
    flex: 1;
}

.nav-link:hover {
    background: #f8f9fa;
    color: var(--primary-color);
}

.post-navigation .nav-label {
    font-size: 12px;
    color: #999;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.nav-title {
    font-size: 16px;
    font-weight: 700;
    line-height: 1.4;
}

/* ============================================
   Sidebar
   ============================================ */
.post-sidebar {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    position: sticky;
    top: 20px;
    align-self: flex-start;
}

.sidebar-widget {
    background: #f8f9fa;
    padding: var(--spacing-lg);
    border-radius: 12px;
    border: 1px solid #e9ecef;
    transition: all var(--transition-speed) var(--transition-easing);
}

.sidebar-widget:hover {
    border-color: var(--primary-color);
    box-shadow: 0 4px 15px rgba(255, 91, 141, 0.08);
}

.widget-title {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-md);
    border-bottom: 2px solid var(--primary-color);
}

/* ============================================
   Author Widget - Minimal Style
   ============================================ */
.author-widget-minimal {
    background: #f8f9fa;
    padding: var(--spacing-lg);
    border-radius: 12px;
    border: 1px solid #e9ecef;
}

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

.author-minimal-avatar {
    flex-shrink: 0;
}

.author-minimal-avatar img {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 2px solid var(--primary-color);
}

.author-minimal-text {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.author-minimal-name {
    font-size: 15px;
    font-weight: 700;
    color: var(--text-dark);
    line-height: 1.3;
}

.author-minimal-role {
    font-size: 13px;
    color: #666;
    line-height: 1.3;
}

/* ============================================
   Contact Form Widget
   ============================================ */
.contact-form-widget {
    background: #f8f9fa;
    padding: var(--spacing-lg);
    border-radius: 12px;
    border: 1px solid #e9ecef;
}

.contact-form-intro {
    font-size: 14px;
    color: #666;
    margin-bottom: var(--spacing-md);
    line-height: 1.5;
}

/* Fluent Form 样式优化 */
.contact-form-widget .fluentform {
    margin-top: 0;
}

.contact-form-widget .ff-el-form-control {
    font-size: 14px;
    padding: 10px 12px;
    border-radius: 6px;
    border: 1px solid #e9ecef;
    transition: all var(--transition-speed) var(--transition-easing);
}

.contact-form-widget .ff-el-form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(255, 116, 0, 0.1);
    outline: none;
}

.contact-form-widget .ff-btn-submit {
    background: var(--primary-color);
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-speed) var(--transition-easing);
    width: 100%;
}

.contact-form-widget .ff-btn-submit:hover {
    background: #e66a00;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(255, 116, 0, 0.3);
}

.contact-form-widget .ff-btn-submit:active {
    transform: translateY(0);
}

.contact-form-widget label {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 6px;
}

.contact-form-widget textarea.ff-el-form-control {
    min-height: 80px;
    resize: vertical;
}

/* ============================================
   Related Posts Widget
   ============================================ */
.related-posts-list {
    list-style: none;
}

.related-post-item {
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid #e9ecef;
    transition: all var(--transition-speed) var(--transition-easing);
}

.related-post-item:last-child {
    border-bottom: none;
}

.related-post-item:hover {
    padding-left: 8px;
}

.related-post-link {
    display: block;
    color: var(--text-dark);
    text-decoration: none;
    font-weight: 600;
    font-size: 14px;
    margin-bottom: 4px;
    transition: color var(--transition-speed) var(--transition-easing);
}

.related-post-link:hover {
    color: var(--primary-color);
}

.related-post-date {
    display: block;
    font-size: 12px;
    color: #999;
}

.no-related-posts {
    font-size: 14px;
    color: #999;
    text-align: center;
    padding: var(--spacing-md) 0;
}

/* ============================================
   Categories Widget
   ============================================ */
.categories-list {
    list-style: none;
}

.category-item {
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid #e9ecef;
}

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

.category-item a {
    color: var(--text-dark);
    text-decoration: none;
    font-size: 14px;
    transition: color var(--transition-speed) var(--transition-easing);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

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

.category-count {
    color: #999;
    font-size: 12px;
    font-weight: 600;
}

/* ============================================
   Table of Contents
   ============================================ */
.table-of-contents {
    background: #f8f9fa;
    padding: var(--spacing-lg);
    border-radius: 8px;
    border-left: 4px solid var(--primary-color);
    margin-bottom: var(--spacing-xl);
}

.table-of-contents h3 {
    font-size: 16px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: var(--spacing-md);
}

.table-of-contents ul {
    list-style: none;
}

.table-of-contents li {
    margin-bottom: var(--spacing-sm);
}

.table-of-contents a {
    color: var(--primary-color);
    text-decoration: none;
    font-size: 14px;
    transition: color var(--transition-speed) var(--transition-easing);
}

.table-of-contents a:hover {
    color: #e66a00;
    text-decoration: underline;
}

.toc-h3 {
    margin-left: var(--spacing-md);
}

/* ============================================
   Copy Code Button
   ============================================ */
.copy-code-btn {
    position: absolute;
    top: 8px;
    right: 8px;
    background: var(--primary-color);
    color: white;
    border: none;
    padding: 6px 12px;
    border-radius: 4px;
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-speed) var(--transition-easing);
    z-index: 10;
}

.copy-code-btn:hover {
    background: #e66a00;
    transform: translateY(-2px);
}

.copy-code-btn:active {
    transform: translateY(0);
}

/* ============================================
   Responsive Design
   ============================================ */
@media (max-width: 1024px) {
    .post-wrapper {
        grid-template-columns: 1fr;
    }
    
    /* 在平板和移动端取消粘性定位 */
    .post-sidebar {
        position: static;
        max-height: none;
        overflow-y: visible;
    }

    .post-title {
        font-size: 32px;
    }

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

    .nav-next {
        justify-content: flex-start;
    }
}

@media (max-width: 768px) {
    /* 优化移动端容器内边距，让内容更充分利用屏幕宽度 */
    .breadcrumb-section .container-fixed,
    .post-content-section .container-fixed {
        padding-left: 16px;
        padding-right: 16px;
    }
    
    /* 减少wrapper的间距 */
    .post-wrapper {
        gap: var(--spacing-lg);
    }
    
    /* 优化文章头部 */
    .post-header {
        margin-bottom: var(--spacing-lg);
        padding-bottom: var(--spacing-lg);
    }

    .post-title {
        font-size: 26px;
        margin-bottom: var(--spacing-md);
        line-height: 1.4;
    }

    .post-meta {
        flex-direction: row;
        gap: var(--spacing-md);
        font-size: 13px;
    }
    
    /* 优化分类标签 */
    .post-categories {
        gap: 6px;
        margin-top: var(--spacing-sm);
    }
    
    .category-badge {
        padding: 5px 12px;
        font-size: 11px;
    }
    
    /* 优化特色图片 */
    .post-featured-image {
        margin-bottom: var(--spacing-lg);
        border-radius: 8px;
    }

    /* 优化文章内容 */
    .post-body {
        font-size: 16px;
        line-height: 1.7;
    }

    .post-body h2 {
        font-size: 22px;
        margin: var(--spacing-lg) 0 var(--spacing-sm);
    }

    .post-body h3 {
        font-size: 19px;
        margin: var(--spacing-md) 0 var(--spacing-sm);
    }

    .post-body h4 {
        font-size: 16px;
    }
    
    /* 优化代码块 */
    .post-body pre {
        padding: var(--spacing-sm);
        font-size: 13px;
        border-radius: 6px;
    }
    
    /* 优化表格 */
    .post-body table {
        font-size: 14px;
    }
    
    .post-body table th,
    .post-body table td {
        padding: var(--spacing-sm);
    }

    /* 优化导航 */
    .post-navigation {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
        margin-top: var(--spacing-lg);
        padding-top: var(--spacing-lg);
    }
    
    .nav-link {
        padding: var(--spacing-sm);
    }
    
    .post-navigation .nav-title {
        font-size: 15px;
    }

    /* 优化面包屑 */
    .breadcrumb-list {
        font-size: 13px;
        gap: 8px;
    }
    
    /* 优化侧边栏小部件 */
    .sidebar-widget {
        padding: var(--spacing-md);
    }
    
    .widget-title {
        font-size: 17px;
        margin-bottom: var(--spacing-sm);
        padding-bottom: var(--spacing-sm);
    }
    
    /* 优化作者信息 */
    .author-minimal-name {
        font-size: 15px;
    }
    
    .author-minimal-role {
        font-size: 13px;
    }
    
    /* 优化联系表单 */
    .contact-form-intro {
        font-size: 14px;
    }
    
    .contact-form-widget .ff-el-form-control {
        font-size: 14px;
    }
    
    .contact-form-widget .ff-btn-submit {
        font-size: 14px;
    }
    
    .contact-form-widget label {
        font-size: 13px;
    }
    
    /* 优化相关文章 */
    .related-post-link {
        font-size: 14px;
    }
    
    .related-post-date {
        font-size: 12px;
    }
    
    .no-related-posts {
        font-size: 14px;
    }
    
    /* 优化分类列表 */
    .category-item a {
        font-size: 14px;
    }
    
    .category-count {
        font-size: 12px;
    }
}

@media (max-width: 480px) {
    /* 进一步优化小屏幕设备 */
    .breadcrumb-section .container-fixed,
    .post-content-section .container-fixed {
        padding-left: 12px;
        padding-right: 12px;
    }
    
    .post-content-section {
        padding: var(--spacing-lg) 0;
    }
    
    .post-wrapper {
        gap: var(--spacing-md);
    }

    .post-title {
        font-size: 22px;
        line-height: 1.3;
    }

    .post-meta {
        font-size: 12px;
        gap: var(--spacing-sm);
        flex-wrap: wrap;
    }

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

    .post-body h2 {
        font-size: 20px;
    }

    .post-body h3 {
        font-size: 18px;
    }

    .post-body h4 {
        font-size: 15px;
    }

    .post-categories {
        gap: 4px;
    }

    .category-badge {
        padding: 4px 10px;
        font-size: 11px;
    }

    .post-tags {
        padding: var(--spacing-sm);
    }

    .tags-list {
        gap: 4px;
    }

    .tag-badge {
        padding: 4px 10px;
        font-size: 11px;
    }

    .nav-link {
        padding: var(--spacing-xs);
    }

    .post-navigation .nav-title {
        font-size: 14px;
    }
    
    .breadcrumb-list {
        font-size: 12px;
    }
}