/*
 * 技术交流论坛样式文件
 * 深色主题设计，专业安全工具风格
 */

/* 论坛主容器 */
.forum-main {
    padding-top: var(--header-height);
    min-height: 100vh;
    background: var(--primary-bg);
}



/* 论坛头部 */
.forum-header {
    background: var(--secondary-bg);
    border-bottom: 1px solid var(--border-color);
    padding: 40px 0;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.header-info {
    flex: 1;
}

.page-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 10px;
}

.page-subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 600px;
}

.header-actions {
    flex-shrink: 0;
}

/* 论坛统计信息 */
.forum-stats {

    padding: 0;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
}

.stat-item {
    text-align: center;
    padding: 20px;
    background: var(--secondary-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    transition: all 0.3s ease;
}

.stat-item:hover {
    border-color: var(--accent-green);
    transform: translateY(-2px);
}

.stat-number {
    display: block;
    font-size: 2rem;
    font-weight: 700;
    color: var(--accent-green);
    margin-bottom: 5px;
}

.stat-label {
    font-size: 1.2rem;
    color: var(--text-secondary);
}

/* 论坛板块列表 */
.forum-sections {
    padding: 30px 0;
    background: var(--primary-bg);
}

.section-title {
    font-size: 1.5rem;
    font-weight: 600;
    text-align: center;
    margin-bottom: 40px;
    color: var(--text-primary);
}

.sections-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 30px;
}

.section-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-large);
    padding: 25px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.section-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(0, 255, 136, 0.1), transparent);
    transition: left 0.5s ease;
}

.section-card:hover::before {
    left: 100%;
}

.section-card:hover {
    transform: translateY(-5px);
    border-color: var(--accent-green);
    box-shadow: var(--shadow-heavy);
}

.section-header {
    display: flex;
    align-items: flex-start;
    gap: 15px;
    margin-bottom: 20px;
}

.section-icon {
    font-size: 2.5rem;
    flex-shrink: 0;
}

.section-info {
    flex: 1;
}

.section-name {
    font-size: 1.3rem;
    width:150px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.section-description {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.5;
}

.section-stats {
    display: flex;
    justify-content: space-between;
    gap: 20px;
    margin-bottom: 15px;
}

.section-stats .stat {
    text-align: center;
}

.section-stats .stat-number {
    display: block;
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--accent-green);
}

.section-stats .stat-label {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.section-latest {
    margin-bottom: 20px;
    padding: 15px;
    background: var(--secondary-bg);
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
}

.latest-post {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.latest-post .post-title {
    font-size: 0.9rem;
    color: var(--text-primary);
    font-weight: 500;
    line-height: 1.4;
}

.latest-post .post-author {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.latest-post .post-time {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.section-link {
    display: inline-block;
    padding: 10px 20px;
    background: linear-gradient(135deg, var(--accent-green), #00cc6a);
    color: var(--primary-bg);
    text-decoration: none;
    border-radius: var(--border-radius);
    font-weight: 500;
    transition: all 0.3s ease;
    text-align: center;
}

.section-link:hover {
    background: linear-gradient(135deg, var(--accent-green-hover), #00aa55);
    transform: translateY(-2px);
}

/* 热门帖子 */
.hot-posts {
    padding: 30px 0;
}

.posts-list {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.post-item {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-large);
    padding: 25px;
    transition: all 0.3s ease;
    position: relative;
}

.post-item:hover {
    border-color: var(--accent-green);
    transform: translateY(-2px);
    box-shadow: var(--shadow-medium);
}

.post-item.hot {
    border-left: 4px solid var(--accent-red);
}

.post-item.trending {
    border-left: 4px solid var(--accent-green);
}

.post-item.featured {
    border-left: 4px solid var(--accent-yellow);
}

.post-badge {
    display: inline-block;
    padding: 4px 12px;
    border-radius: var(--border-radius-small);
    font-size: 0.8rem;
    font-weight: 600;
    margin-bottom: 15px;
}

.post-badge.hot {
    background: var(--accent-red);
    color: white;
}

.post-badge.trending {
    background: var(--accent-green);
    color: var(--primary-bg);
}

.post-badge.featured {
    background: var(--accent-yellow);
    color: var(--primary-bg);
}

.post-badge.new {
    background: var(--accent-blue);
    color: white;
}

.post-badge.pinned {
    background: var(--accent-yellow);
    color: var(--primary-bg);
}

.post-content {
    flex: 1;
}

.post-title {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 10px;
}

.post-title a {
    color: var(--text-primary);
    text-decoration: none;
    transition: color 0.3s ease;
}

.post-title a:hover {
    color: var(--text-accent);
}

.post-excerpt {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 15px;
}

.post-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 15px;
}

.tag {
    display: inline-block;
    padding: 4px 10px;
       background: #3db87a;
    color: white;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-small);
    font-size: 0.8rem;
    transition: all 0.3s ease;
}


.post-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    font-size: 0.9rem;
    color: var(--text-muted);
}

.post-meta span {
    display: flex;
    align-items: center;
    gap: 5px;
}

/* 在线用户 */
.online-users {
    padding: 30px 0;
    background: var(--primary-bg);
}

.users-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
}

.user-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 15px;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    transition: all 0.3s ease;
}

.user-item:hover {
    border-color: var(--accent-green);
    transform: translateY(-2px);
}

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

.user-info {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.username {
    font-size: 0.9rem;
    color: var(--text-primary);
    font-weight: 500;
}

.user-status {
    font-size: 0.8rem;
    color: var(--accent-green);
}

/* 板块头部 */
.section-header {
    background: var(--secondary-bg);
    border-bottom: 1px solid var(--border-color);
    padding: 40px 10px;
}

.section-info {
    display: flex;
    align-items: center;
    gap: 20px;
}

.section-icon {
    font-size: 2rem;
}

.section-details {
    flex: 1;
}

.section-description {
    font-size: 1.1rem;
    color: var(--text-secondary);
}

/* 筛选和排序 */
.filters-section {

    padding: 0 0 20px 0;
}

.filters-bar {
    display: flex;
    align-items: center;
    gap: 20px;
    flex-wrap: wrap;
}

.filter-group {
    display: flex;
    align-items: center;
    gap: 8px;
}

.filter-group label {
    font-size: 0.9rem;
    color: var(--text-secondary);
    white-space: nowrap;
}

.filter-select {
    padding: 8px 12px;
    background: var(--secondary-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-small);
    color: var(--text-primary);
    font-size: 0.9rem;
    min-width: 120px;
}

.filter-select:focus {
    outline: none;
    border-color: var(--accent-green);
}

.search-group {
    display: flex;
    gap: 10px;
    margin-left: auto;
}

.search-input {
    padding: 8px 12px;
    background: var(--secondary-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-small);
    color: var(--text-primary);
    font-size: 0.9rem;
    min-width: 200px;
}

.search-input:focus {
    outline: none;
    border-color: var(--accent-green);
}

.search-input::placeholder {
    color: var(--text-muted);
}

/* 帖子分组 */
.posts-group {
    margin-bottom: 40px;
}

.group-title {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 20px;


}

/* 分页 */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
    margin-top: 40px;
}

.page-numbers {
    display: flex;
    gap: 5px;
}

.page-btn {
    padding: 8px 12px;
    background: var(--secondary-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-small);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.3s ease;
}

.page-btn:hover {
    background: var(--accent-green);
    color: var(--primary-bg);
    border-color: var(--accent-green);
}

.page-btn.active {
    background: var(--accent-green);
    color: white;
    border-color: var(--accent-green);
}

.page-ellipsis {
    padding: 8px 12px;
    color: var(--text-muted);
}

/* 帖子详情页样式 */
.post-detail {
    padding: 0px 0 40px;
    background: var(--primary-bg);
}

.post-layout {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: 40px;
}

.post-main {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-large);
    overflow: hidden;
}

.post-header {
    padding: 30px;
    border-bottom: 1px solid var(--border-color);
    background: var(--secondary-bg);
}

.post-badges {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
}

.post-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 20px;
    line-height: 1.3;
}

.post-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

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


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

.author-name {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
}

.author-title {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.post-stats {
    display: flex;
    gap: 20px;
}

.stat-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 5px;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.stat-icon {
    font-size: 1rem;
}

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

.post-content {
    padding: 30px;
}

.content-body {
    line-height: 1.8;
    color: var(--text-primary);
}

.content-body h2 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 30px 0 15px 0;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--accent-green);
}

.content-body h3 {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 25px 0 10px 0;
}

.content-body p {
    margin-bottom: 15px;
    color: var(--text-secondary);
}

.content-body ul,
.content-body ol {
    margin: 15px 0;
    padding-left: 30px;
}

.content-body li {
    margin-bottom: 8px;
    color: var(--text-secondary);
}

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

.code-block {
    background: var(--primary-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 20px;
    margin: 20px 0;
    overflow-x: auto;
}

.code-block pre {
    margin: 0;
    font-family: var(--font-code);
    font-size: 0.9rem;
    line-height: 1.5;
    color: var(--text-primary);
}

.post-actions {
    display: flex;
    gap: 15px;
    padding: 20px 30px;
    border-top: 1px solid var(--border-color);
    background: var(--secondary-bg);
}

.action-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 15px;
    background: transparent;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 0.9rem;
}

.action-btn:hover {
    background: var(--accent-green);
    color: var(--primary-bg);
    border-color: var(--accent-green);
}

.action-btn.like-btn[data-liked="true"] {
    background: var(--accent-green);
    color:white;
    border-color: var(--accent-green);
}

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

.sidebar-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-large);
    padding: 20px;
}

.card-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 15px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--border-color);
}

/* 作者卡片 */
.author-profile {
    text-align: center;
}

.author-avatar-large img {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    border: 3px solid var(--border-color);
    margin-bottom: 15px;
}

.author-info h4 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 5px;
}

.author-info p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 10px;
}

.author-bio {
    font-size: 0.8rem;
    color: var(--text-muted);
    line-height: 1.4;
    margin-bottom: 15px;
}

.author-stats {
    display: flex;
    justify-content: space-between;
    margin-bottom: 15px;
    padding: 15px 0;
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

.author-stats .stat {
    text-align: center;
}

.author-stats .stat-number {
    display: block;
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--accent-green);
}

.author-stats .stat-label {
    font-size: 1.2rem;
    color: var(--text-muted);
}

/* 相关帖子 */
.related-list {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.related-item {
    padding: 15px;
    background: var(--secondary-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    transition: all 0.3s ease;
}

.related-item:hover {
    border-color: var(--accent-green);
    transform: translateY(-2px);
}

.related-title {
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: 8px;
}

.related-title a {
    color: var(--text-primary);
    text-decoration: none;
    transition: color 0.3s ease;
}

.related-title a:hover {
    color: var(--text-accent);
}

.related-meta {
    display: flex;
    justify-content: space-between;
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* 目录导航 */
.toc-nav {
    max-height: 300px;
    overflow-y: auto;
}

.toc-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.toc-list li {
    margin-bottom: 8px;
}

.toc-link {
    display: block;
    padding: 8px 12px;
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: var(--border-radius-small);
    transition: all 0.3s ease;
    font-size: 0.9rem;
}

.toc-link:hover {
    background: var(--accent-green);
    color: white;
}

/* 回复区域 */
.replies-section {
    padding:0 0 40px;
}

.replies-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
}

.replies-header .section-title {
    margin: 0;
    text-align: left;
}

.reply-actions {
    display: flex;
    gap: 10px;
}

.sort-select {
    padding: 8px 12px;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-small);
    color: var(--text-primary);
    font-size: 0.9rem;
}

/* 回复列表 */
.replies-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin-bottom: 30px;
}

.reply-item {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-large);
    padding: 25px;
    transition: all 0.3s ease;
}

.reply-item:hover {
    border-color: var(--accent-green);
    transform: translateY(-2px);
}

.reply-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
    padding-bottom: 15px;
    border-bottom: 1px solid var(--border-color);
}

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

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

.reply-author .author-info {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.reply-author .author-name {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-primary);
}

.reply-author .author-title {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.reply-meta {
    display: flex;
    align-items: center;
    gap: 15px;
    font-size: 0.8rem;
    color: var(--text-muted);
}

.reply-floor {
    background: var(--accent-green);
    color: white;
    padding: 2px 8px;
    border-radius: var(--border-radius-small);
    font-weight: 600;
}

.reply-content {
    margin-bottom: 15px;
    line-height: 1.6;
    color: var(--text-secondary);
}

.reply-content p {
    margin-bottom: 10px;
}

.reply-actions {
    display: flex;
    gap: 10px;
}

.reply-actions .action-btn {
    padding: 6px 12px;
    font-size: 0.8rem;
}

/* 回复表单 */
.reply-form {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-large);
    padding: 25px;
}

.form-title {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 20px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group textarea {
    width: 100%;
    padding: 15px;
    background: var(--secondary-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    color: var(--text-primary);
    font-size: 0.9rem;
    line-height: 1.5;
    resize: vertical;
    min-height: 120px;
}

.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-green);
}

.form-group textarea::placeholder {
    color: var(--text-muted);
}

.form-actions {
    display: flex;
    gap: 10px;
    justify-content: center;
}