/* ===== 全局变量 - 浅色主题 ===== */
:root {
    --bg-primary: #f5f7fb;
    --bg-secondary: #ffffff;
    --bg-tertiary: #f0f2f5;
    --text-primary: #2c3e50;
    --text-secondary: #5d6d7e;
    --text-muted: #7f8c8d;
    --accent-primary: #3498db;
    --accent-hover: #2980b9;
    --success: #27ae60;
    --danger: #e74c3c;
    --warning: #f39c12;
    --border-color: #d0d9e4;
    --input-bg: #f0f2f5;
    --shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    --sidebar-width: 220px;
}

/* ===== 基础重置 ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.5;
    height: 100vh;
    overflow: hidden;
    font-size: 15px;
}

/* ===== 布局容器 ===== */
.app-container {
    display: flex;
    height: 100vh;
    width: 100%;
    overflow: hidden;
}

/* ===== 侧边栏 ===== */
.sidebar {
    width: var(--sidebar-width);
    background-color: var(--bg-secondary);
    display: flex;
    flex-direction: column;
    border-right: 1px solid var(--border-color);
    flex-shrink: 0;
    box-shadow: 2px 0 5px rgba(0, 0, 0, 0.05);
}

.sidebar-header {
    height: 60px;
    padding: 0 20px;
    display: flex;
    align-items: center;
    border-bottom: 1px solid var(--border-color);
}

.sidebar-header h2 {
    color: var(--text-primary);
    font-size: 20px;
    font-weight: 600;
}

.sidebar-header h2 a {
    color: var(--text-primary);
    text-decoration: none;
}

.sidebar-header h2 a:hover {
    color: var(--accent-primary);
}

.sidebar-nav {
    flex: 1;
    padding: 16px 12px;
    overflow-y: auto;
}

.nav-category {
    color: var(--text-muted);
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.5px;
    padding: 12px 12px 4px;
    text-transform: uppercase;
}

.nav-item {
    display: flex;
    align-items: center;
    padding: 10px 12px;
    margin: 2px 0;
    color: var(--text-secondary);
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s;
}

.nav-item:hover {
    background-color: var(--bg-tertiary);
    color: var(--text-primary);
}

.nav-item.active {
    background-color: var(--bg-tertiary);
    color: var(--text-primary);
    font-weight: 500;
    border-left: 3px solid var(--accent-primary);
}

.nav-item span:first-child {
    margin-right: 12px;
    font-size: 18px;
    width: 24px;
    text-align: center;
}

.sidebar-footer {
    padding: 16px 20px;
    border-top: 1px solid var(--border-color);
}

.back-link {
    display: flex;
    align-items: center;
    padding: 8px 12px;
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: 6px;
    transition: background-color 0.2s;
}

.back-link:hover {
    background-color: var(--bg-tertiary);
    color: var(--text-primary);
}

.back-link span:first-child {
    margin-right: 8px;
    font-size: 16px;
}

/* ===== 主内容区 ===== */
.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    background-color: var(--bg-primary);
    min-width: 0;
}

.content-header {
    height: 60px;
    padding: 0 24px;
    display: flex;
    align-items: center;
    border-bottom: 1px solid var(--border-color);
    background-color: var(--bg-secondary);
    flex-shrink: 0;
    justify-content: space-between;
}

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

.channel-icon {
    font-size: 24px;
}

.channel-name {
    color: var(--text-primary);
    font-size: 18px;
    font-weight: 600;
}

.header-actions {
    display: flex;
    gap: 12px;
    align-items: center;
}

.sort-select {
    padding: 6px 12px;
    background-color: var(--input-bg);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    color: var(--text-primary);
    font-size: 13px;
    cursor: pointer;
    outline: none;
}

.sort-select:hover {
    border-color: var(--accent-primary);
}

/* ===== 消息列表 ===== */
.messages-container {
    flex: 1;
    overflow-y: auto;
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.message {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    cursor: pointer;
    transition: background-color 0.2s;
    border-radius: 8px;
    padding: 12px;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow);
}

.message:hover {
    background-color: var(--bg-tertiary);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.message-content {
    flex: 1;
    min-width: 0;
}

.message-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 8px;
    flex-wrap: wrap;
}

.message-time {
    color: var(--text-muted);
    font-size: 12px;
}

.message-category {
    background-color: var(--bg-tertiary);
    padding: 2px 10px;
    border-radius: 16px;
    font-size: 11px;
    font-weight: 500;
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
}

.message-body {
    color: var(--text-primary);
    font-size: 14px;
    word-wrap: break-word;
    line-height: 1.6;
    max-height: 200px;
    overflow: hidden;
    text-overflow: ellipsis;
}

.message-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 12px;
}

.message-stats {
    display: flex;
    gap: 16px;
    color: var(--text-secondary);
    font-size: 13px;
}

.message-stats span {
    display: flex;
    align-items: center;
    gap: 4px;
}

.message-actions {
    display: flex;
    gap: 8px;
}

.message-actions button {
    padding: 4px 12px;
    font-size: 12px;
    background-color: var(--bg-tertiary);
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    cursor: pointer;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    gap: 4px;
}

.message-actions button:hover {
    background-color: var(--accent-primary);
    color: white;
    border-color: var(--accent-primary);
}

.message-actions button.like-btn:hover {
    background-color: var(--success);
}

/* ===== 帖子详情页 ===== */
.post-detail-view {
    display: none;
    height: 100%;
    overflow-y: auto;
    position: relative;
    padding-bottom: 100px;
    z-index: 1;
}

.post-detail-view.active {
    display: block;
}


.post-list-view.hidden {
    display: none;
}

.back-to-list {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    background-color: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    cursor: pointer;
    color: var(--text-primary);
    font-weight: 500;
    transition: background-color 0.2s;
    width: 100%;
}

.back-to-list:hover {
    background-color: var(--bg-tertiary);
}

.back-to-list span:first-child {
    font-size: 20px;
}

.post-detail-container {
    padding: 20px 20px 0 20px;
}

.post-full {
    background-color: var(--bg-secondary);
    border-radius: 12px;
    padding: 24px;
    margin-bottom: 24px;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow);
}

.post-full-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border-color);
}

.post-full-time {
    color: var(--text-muted);
    font-size: 13px;
}

.post-full-category {
    background-color: var(--bg-tertiary);
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 12px;
    color: var(--text-secondary);
}

.post-full-content {
    color: var(--text-primary);
    font-size: 16px;
    line-height: 1.8;
    white-space: pre-wrap;
    word-wrap: break-word;
    margin-bottom: 20px;
    white-space: pre-line;  /* 将连续的空白符合并，保留换行符 */
}

.post-full-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 16px;
    border-top: 1px solid var(--border-color);
}

.post-full-stats {
    display: flex;
    gap: 20px;
    color: var(--text-secondary);
    font-size: 14px;
}

.post-full-actions {
    display: flex;
    gap: 8px;
}

.post-full-actions button {
    padding: 6px 14px;
    font-size: 13px;
    background-color: var(--bg-tertiary);
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    cursor: pointer;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    gap: 6px;
}

.post-full-actions button:hover {
    background-color: var(--accent-primary);
    color: white;
    border-color: var(--accent-primary);
}

.post-full-actions button.like-btn:hover {
    background-color: var(--success);
}

/* ===== 评论区 ===== */
.comments-full-section {
    margin-top: 20px;
    margin-bottom: 20px;
}

.comments-full-title {
    color: var(--text-primary);
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 16px;
}

.comment-full-item {
    background-color: var(--bg-secondary);
    border-radius: 8px;
    padding: 16px;
    margin-bottom: 12px;
    border: 1px solid var(--border-color);
    position: relative;
}

.comment-full-time {
    color: var(--text-muted);
    font-size: 11px;
    margin-bottom: 8px;
}

.comment-full-text {
    color: var(--text-primary);
    font-size: 14px;
    line-height: 1.6;
    word-wrap: break-word;
    margin-bottom: 12px;
}

.comment-full-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 8px;
    border-top: 1px solid var(--border-color);
}

.comment-full-stats {
    color: var(--text-secondary);
    font-size: 12px;
}

.comment-full-actions {
    display: flex;
    gap: 8px;
    align-items: center;
    position: relative;
}

.comment-full-actions button {
    padding: 4px 10px;
    font-size: 11px;
    background-color: var(--bg-tertiary);
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    cursor: pointer;
    transition: all 0.2s;
}

.comment-full-actions button:hover {
    background-color: var(--danger);
    color: white;
}

.no-comments {
    color: var(--text-muted);
    text-align: center;
    padding: 40px;
    background-color: var(--bg-secondary);
    border-radius: 8px;
    border: 1px dashed var(--border-color);
}

/* ===== 固定评论输入区域 ===== */
.fixed-comment-area {
    position: fixed;
    bottom: 0;
    left: var(--sidebar-width);
    right: 0;
    background-color: var(--bg-secondary);
    border-top: 2px solid var(--border-color);
    box-shadow: 0 -4px 10px rgba(0, 0, 0, 0.05);
    z-index: 100;
    padding: 15px 20px;
    transition: left 0.3s ease;
}

@media (max-width: 768px) {
    .fixed-comment-area {
        left: 0;
    }
}

.comment-input-wrapper {
    display: flex;
    gap: 10px;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
}

.comment-input {
    flex: 1;
    padding: 14px 20px;
    background-color: var(--input-bg);
    border: 1px solid var(--border-color);
    border-radius: 30px;
    color: var(--text-primary);
    font-size: 15px;
    outline: none;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.comment-input:focus {
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.1);
}

.comment-input-wrapper .btn {
    padding: 0 30px;
    height: 48px;
    font-size: 16px;
    border-radius: 30px;
    min-width: 100px;
}

.comment-char-count {
    text-align: right;
    color: var(--text-muted);
    font-size: 12px;
    padding: 5px 20px 0;
    max-width: 1200px;
    margin: 0 auto;
}

/* ===== 输入区域 ===== */
.input-area {
    padding: 20px 24px;
    background-color: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    flex-shrink: 0;
    position: relative;
    z-index: 100;
}

.input-wrapper {
    display: flex;
    align-items: center;
    gap: 12px;
}

.input-field {
    flex: 1;
    padding: 12px 16px;
    background-color: var(--input-bg);
    border: 1px solid var(--border-color);
    border-radius: 30px;
    color: var(--text-primary);
    font-size: 14px;
    outline: none;
    transition: border-color 0.2s;
}

.input-field:focus {
    border-color: var(--accent-primary);
}

.btn {
    padding: 0 24px;
    height: 42px;
    border: none;
    border-radius: 30px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
    white-space: nowrap;
    background-color: var(--accent-primary);
    color: white;
}

.btn:hover {
    background-color: var(--accent-hover);
    transform: scale(1.02);
}

.btn-secondary {
    background-color: var(--bg-tertiary);
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background-color: var(--text-muted);
    color: white;
}

.btn-danger {
    background-color: var(--danger);
    color: white;
}

.btn-danger:hover {
    background-color: #c0392b;
}

/* ===== 加载更多按钮 ===== */
.load-more-btn {
    width: 100%;
    padding: 14px;
    margin-top: 16px;
    background-color: var(--bg-secondary);
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
    border-radius: 30px;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.load-more-btn:hover:not(:disabled) {
    background-color: var(--accent-primary);
    color: white;
    border-color: var(--accent-primary);
}

.load-more-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}



.floating-btn:hover {
    background-color: var(--accent-hover);
    transform: scale(1.1);
    box-shadow: 0 6px 20px rgba(52, 152, 219, 0.4);
}

.floating-btn.hidden {
    display: none;
}

/* ===== 模态框 ===== */
.modal {
    display: none;
    position: fixed;
    z-index: 10000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(3px);
}

.modal-content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background-color: var(--bg-secondary);
    border-radius: 16px;
    width: 90%;
    max-width: 500px;
    max-height: 80vh;
    overflow-y: auto;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.modal-header {
    padding: 20px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h3 {
    color: var(--text-primary);
    font-size: 18px;
    font-weight: 600;
}

.modal-close {
    color: var(--text-secondary);
    font-size: 24px;
    cursor: pointer;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: background-color 0.2s;
}

.modal-close:hover {
    background-color: var(--bg-tertiary);
    color: var(--text-primary);
}

.modal-body {
    padding: 20px;
}

.modal-body textarea,
.modal-body select,
.modal-body input {
    width: 100%;
    padding: 12px;
    background-color: var(--input-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 14px;
    margin-bottom: 16px;
    font-family: inherit;
}

.modal-body textarea {
    min-height: 100px;
    resize: vertical;
}

.modal-footer {
    display: flex;
    gap: 12px;
    justify-content: flex-end;
    padding: 0 20px 20px;
}

.modal-btn {
    padding: 10px 20px;
    border: none;
    border-radius: 30px;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.2s;
}

.modal-btn-primary {
    background-color: var(--accent-primary);
    color: white;
}

.modal-btn-primary:hover {
    background-color: var(--accent-hover);
}

.modal-btn-secondary {
    background-color: var(--bg-tertiary);
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
}

.modal-btn-secondary:hover {
    background-color: var(--text-muted);
    color: white;
}

/* ===== 表单页面样式 ===== */
.page-container {
    max-width: 800px;
    margin: 0 auto;
    padding: 24px;
    height: 100vh;
    overflow-y: auto;
}

.page-header {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px 0;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 24px;
}

.page-header h2 {
    color: var(--text-primary);
    font-size: 20px;
    flex: 1;
}

.back-btn {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 24px;
    cursor: pointer;
    padding: 8px;
    border-radius: 50%;
    transition: all 0.2s;
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.back-btn:hover {
    background-color: var(--bg-tertiary);
    color: var(--text-primary);
}

.edit-form {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.edit-category {
    background-color: var(--input-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 12px 16px;
    color: var(--text-primary);
    font-size: 15px;
    outline: none;
    cursor: pointer;
}

.edit-category:focus {
    border-color: var(--accent-primary);
}

.edit-content {
    background-color: var(--input-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 16px;
    color: var(--text-primary);
    font-size: 15px;
    outline: none;
    resize: none;
    min-height: 200px;
    font-family: inherit;
}

.edit-content:focus {
    border-color: var(--accent-primary);
}

.edit-actions {
    display: flex;
    gap: 12px;
    margin-top: 20px;
}

.edit-actions button {
    flex: 1;
    padding: 14px;
    border: none;
    border-radius: 30px;
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
}

.char-count {
    color: var(--text-muted);
    font-size: 12px;
    text-align: right;
    margin-top: -8px;
    margin-bottom: 8px;
}

/* ===== 工具页面 ===== */
.tools-container {
    max-width: 1000px;
    width: 95%;
    margin: 20px auto;
}

.tools-dialog {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow);
}

.tools-header {
    background: var(--bg-secondary);
    padding: 16px 20px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.tools-header-left {
    display: flex;
    align-items: center;
    gap: 12px;
}

.tools-header-title {
    color: var(--text-primary);
    font-size: 20px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
}

.tools-tabs {
    display: flex;
    gap: 2px;
    background: var(--bg-tertiary);
    border-bottom: 1px solid var(--border-color);
    padding: 0 16px;
    overflow-x: auto;
}

.tools-tab {
    padding: 14px 20px;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.2s;
    font-size: 14px;
    font-weight: 500;
    border-bottom: 2px solid transparent;
    white-space: nowrap;
}

.tools-tab:hover {
    color: var(--text-primary);
}

.tools-tab.active {
    color: var(--text-primary);
    border-bottom-color: var(--accent-primary);
    font-weight: 600;
}

.tools-content {
    padding: 24px;
    background: var(--bg-primary);
    min-height: 400px;
    max-height: 600px;
    overflow-y: auto;
}

.tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 16px;
}

.tools-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 20px;
    transition: all 0.2s;
    cursor: pointer;
}

.tools-card:hover {
    border-color: var(--accent-primary);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.tools-card-icon {
    font-size: 32px;
    margin-bottom: 12px;
}

.tools-card-name {
    color: var(--text-primary);
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 8px;
}

.tools-card-desc {
    color: var(--text-secondary);
    font-size: 13px;
    line-height: 1.5;
}

.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-muted);
    background: var(--bg-secondary);
    border-radius: 12px;
    border: 2px dashed var(--border-color);
}

/* ===== 管理员样式 ===== */
.admin-stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 16px;
    margin-bottom: 24px;
}

.admin-stat-card {
    background-color: var(--bg-secondary);
    border-radius: 12px;
    padding: 20px;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow);
}

.admin-stat-label {
    color: var(--text-secondary);
    font-size: 12px;
    text-transform: uppercase;
    margin-bottom: 8px;
}

.admin-stat-value {
    color: var(--text-primary);
    font-size: 28px;
    font-weight: 600;
}

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

.admin-table-header {
    display: grid;
    grid-template-columns: 60px 1fr 120px 150px;
    padding: 16px;
    background-color: var(--bg-tertiary);
    color: var(--text-secondary);
    font-weight: 600;
    font-size: 13px;
    border-bottom: 1px solid var(--border-color);
}

.admin-table-row {
    display: grid;
    grid-template-columns: 60px 1fr 120px 150px;
    padding: 16px;
    border-bottom: 1px solid var(--border-color);
    align-items: center;
}

.admin-table-row:last-child {
    border-bottom: none;
}

.admin-table-row.hidden {
    background-color: rgba(231, 76, 60, 0.05);
}

.admin-post-id {
    color: var(--text-secondary);
    font-size: 13px;
}

.admin-post-content {
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.admin-actions {
    display: flex;
    gap: 8px;
}

.admin-btn {
    padding: 6px 12px;
    border: none;
    border-radius: 6px;
    font-size: 12px;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-hide {
    background-color: var(--warning);
    color: white;
}

.btn-delete {
    background-color: var(--danger);
    color: white;
}

.btn-show {
    background-color: var(--success);
    color: white;
}

.admin-pagination {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-top: 24px;
}

.admin-pagination button {
    padding: 8px 14px;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-primary);
    cursor: pointer;
    transition: all 0.2s;
}

.admin-pagination button:hover:not(:disabled) {
    background-color: var(--accent-primary);
    color: white;
    border-color: var(--accent-primary);
}

.admin-pagination button.active {
    background-color: var(--accent-primary);
    color: white;
    border-color: var(--accent-primary);
}

.admin-pagination button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.report-item {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 16px;
    margin-bottom: 12px;
}

.report-item.pending {
    border-left: 4px solid var(--warning);
}

.report-header {
    display: flex;
    justify-content: space-between;
    margin-bottom: 12px;
}

.report-reason {
    color: var(--danger);
    font-weight: 600;
    font-size: 14px;
}

.report-time {
    color: var(--text-muted);
    font-size: 12px;
}

.report-meta {
    color: var(--text-muted);
    font-size: 11px;
    margin: 8px 0;
}

.report-content-preview {
    background-color: var(--bg-tertiary);
    border-radius: 4px;
    padding: 12px;
    margin: 12px 0;
    color: var(--text-secondary);
    font-size: 13px;
    border-left: 3px solid var(--accent-primary);
}

.report-actions {
    display: flex;
    gap: 8px;
    margin-top: 12px;
}

/* ===== 登录框 ===== */
.login-box {
    background-color: var(--bg-secondary);
    border-radius: 16px;
    padding: 40px;
    width: 100%;
    max-width: 400px;
    margin: 100px auto;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow);
}

.login-box h2 {
    color: var(--text-primary);
    margin-bottom: 24px;
    text-align: center;
}

.login-box input {
    width: 100%;
    padding: 12px 16px;
    background-color: var(--input-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 15px;
    margin-bottom: 20px;
}

/* ===== 滚动条 ===== */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-tertiary);
}

::-webkit-scrollbar-thumb {
    background: var(--text-muted);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-secondary);
}

/* ===== 响应式 ===== */
@media (max-width: 768px) {
    .sidebar {
        display: none;
    }
    
    .main-content {
        width: 100%;
    }
    
    .admin-table-header,
    .admin-table-row {
        grid-template-columns: 50px 1fr 80px 120px;
        font-size: 12px;
    }
}

/* ===== 下拉菜单统一样式 ===== */
.post-menu-container {
    position: relative;
    display: inline-block;
}

.menu-btn-small {
    background: none;
    border: none;
    font-size: 18px;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 4px 8px;
    line-height: 1;
    transition: color 0.2s;
    border-radius: 4px;
}

.menu-btn-small:hover {
    color: var(--text-primary);
    background-color: var(--bg-tertiary);
}

.post-menu {
    position: absolute;
    bottom: 100%;
    right: 0;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    box-shadow: var(--shadow);
    min-width: 100px;
    z-index: 90;
    margin-bottom: 5px;
    overflow: hidden;
}

.post-menu.show {
    display: block !important;
}

.post-menu-item {
    padding: 10px 16px;
    color: var(--text-primary);
    cursor: pointer;
    transition: background-color 0.2s;
    white-space: nowrap;
    font-size: 13px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.post-menu-item:hover {
    background-color: var(--bg-tertiary);
}

.post-menu-item.danger:hover {
    background-color: var(--danger);
    color: white;
}

/* 评论菜单 */
.comment-menu-container {
    position: relative;
    display: inline-block;
}

.comment-menu-btn {
    background: none;
    border: none;
    font-size: 18px;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 4px 8px;
    line-height: 1;
    transition: color 0.2s;
    border-radius: 4px;
}

.comment-menu-btn:hover {
    color: var(--text-primary);
    background-color: var(--bg-tertiary);
}

.comment-menu {
    position: absolute;
    bottom: 100%;
    right: 0;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    box-shadow: var(--shadow);
    min-width: 100px;
    z-index: 90;
    margin-bottom: 5px;
    overflow: hidden;
}

.comment-menu.show {
    display: block !important;
}

.comment-menu-item {
    padding: 10px 16px;
    color: var(--text-primary);
    cursor: pointer;
    transition: background-color 0.2s;
    white-space: nowrap;
    font-size: 13px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.comment-menu-item:hover {
    background-color: var(--bg-tertiary);
}

.comment-menu-item.danger:hover {
    background-color: var(--danger);
    color: white;
}

/* 小点赞按钮 */
.like-btn-small {
    padding: 4px 10px;
    font-size: 11px;
    background-color: var(--bg-tertiary);
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    cursor: pointer;
    transition: all 0.2s;
}

.like-btn-small:hover {
    background-color: var(--success);
    color: white;
    border-color: var(--success);
}

/* 系统徽章 */
.system-badge {
    background-color: var(--accent-primary);
    color: white;
    padding: 2px 8px;
    border-radius: 12px;
    font-size: 10px;
    font-weight: 600;
    margin-left: 6px;
    display: inline-block;
    vertical-align: middle;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.message-header .system-badge {
    background-color: var(--accent-primary);
    color: white;
    padding: 2px 8px;
    border-radius: 12px;
    font-size: 10px;
    margin-left: 6px;
}

.post-full-header .system-badge {
    background-color: var(--accent-primary);
    color: white;
    padding: 3px 10px;
    border-radius: 14px;
    font-size: 11px;
    margin-left: 8px;
}

.post-full-content pre {
    font-family: inherit;
    margin: 0;
    white-space: pre-wrap;
    word-wrap: break-word;
    font-size: inherit;
    line-height: inherit;
    background: transparent;
    border: none;
    padding: 0;
}

.message-body pre {
    font-family: inherit;
    margin: 0;
    white-space: pre-wrap;
    word-wrap: break-word;
    font-size: inherit;
    line-height: inherit;
    background: transparent;
    border: none;
    padding: 0;
}