/* ============================
   Admin 后台管理系统样式
   ============================ */

/* 基础重置 */
.admin-body {
  margin: 0;
  padding: 0;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
  background-color: #f8fafc;
  color: #2d3748;
  line-height: 1.6;
}

/* 主要容器 */
#admin-app {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ========== 顶部导航栏 ========== */
.admin-header {
  background: #ffffff;
  border-bottom: 1px solid #e2e8f0;
  padding: 0 1.5rem;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.admin-header-left {
  display: flex;
  align-items: center;
}

.admin-logo a {
  font-size: 1.25rem;
  font-weight: 600;
  color: #2b6cb0;
  text-decoration: none;
}

.admin-header-center {
  flex: 1;
  display: flex;
  justify-content: center;
}

.admin-breadcrumb {
  display: flex;
  align-items: center;
  color: #718096;
  font-size: 0.875rem;
}

.breadcrumb-item a {
  color: #4299e1;
  text-decoration: none;
}

.breadcrumb-separator {
  margin: 0 0.5rem;
  color: #a0aec0;
}

.admin-header-right {
  display: flex;
  align-items: center;
}

/* 用户下拉菜单 */
.admin-user-menu {
  position: relative;
}

.dropdown {
  position: relative;
}

.dropdown-trigger {
  background: none;
  border: 1px solid #e2e8f0;
  border-radius: 6px;
  padding: 0.5rem 1rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  transition: border-color 0.2s;
}

.dropdown-trigger:hover {
  border-color: #cbd5e0;
}

.dropdown-arrow {
  font-size: 0.75rem;
  transition: transform 0.2s;
}

.dropdown.active .dropdown-arrow {
  transform: rotate(180deg);
}

.dropdown-menu {
  position: absolute;
  top: 100%;
  right: 0;
  background: white;
  border: 1px solid #e2e8f0;
  border-radius: 6px;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  min-width: 160px;
  z-index: 200;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: all 0.2s;
}

.dropdown.active .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown-item {
  display: block;
  padding: 0.75rem 1rem;
  color: #2d3748;
  text-decoration: none;
  transition: background-color 0.2s;
}

.dropdown-item:hover {
  background-color: #f7fafc;
}

.dropdown-divider {
  height: 1px;
  background: #e2e8f0;
  margin: 0.25rem 0;
}

/* ========== 主要内容区域 ========== */
.admin-main {
  flex: 1;
  display: flex;
  min-height: calc(100vh - 60px);
}

/* ========== 左侧导航栏 ========== */
.admin-sidebar {
  width: 250px;
  background: #ffffff;
  border-right: 1px solid #e2e8f0;
  padding: 1.5rem 0;
  overflow-y: auto;
}

.admin-nav {
  height: 100%;
}

.nav-section {
  margin-bottom: 2rem;
}

.nav-title {
  padding: 0 1.5rem;
  font-size: 0.75rem;
  font-weight: 600;
  color: #a0aec0;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.5rem;
}

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

.nav-item {
  margin: 0;
}

.nav-link {
  display: flex;
  align-items: center;
  padding: 0.75rem 1.5rem;
  color: #4a5568;
  text-decoration: none;
  transition: all 0.2s;
  border-left: 3px solid transparent;
}

.nav-link:hover {
  background-color: #f7fafc;
  color: #2b6cb0;
}

.nav-link.active {
  background-color: #ebf8ff;
  color: #2b6cb0;
  border-left-color: #4299e1;
  font-weight: 500;
}

.nav-icon {
  margin-right: 0.75rem;
  font-size: 1rem;
}

/* ========== 右侧内容区域 ========== */
.admin-content {
  flex: 1;
  background: #f8fafc;
  overflow-y: auto;
}

.admin-content-inner {
  padding: 2rem;
  max-width: 1200px;
  margin: 0 auto;
}

/* ========== Toast 消息 ========== */
.admin-toast {
  position: fixed;
  top: 80px;
  right: 20px;
  background: white;
  border: 1px solid #e2e8f0;
  border-radius: 8px;
  padding: 1rem 1.5rem;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-width: 300px;
  max-width: 500px;
  transition: opacity 0.3s;
}

.admin-toast.toast-success {
  border-left: 4px solid #48bb78;
  background: #f0fff4;
}

.admin-toast.toast-error {
  border-left: 4px solid #f56565;
  background: #fff5f5;
}

.admin-toast.toast-warning {
  border-left: 4px solid #ed8936;
  background: #fffaf0;
}

.admin-toast.toast-info {
  border-left: 4px solid #4299e1;
  background: #ebf8ff;
}

.toast-close {
  background: none;
  border: none;
  cursor: pointer;
  font-size: 1.25rem;
  color: #a0aec0;
  padding: 0;
  line-height: 1;
}

.toast-close:hover {
  color: #718096;
}

/* ========== 页面组件 ========== */

/* 页面容器 */
.page-container {
  background: white;
  border-radius: 8px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
  overflow: hidden;
}

/* 页面头部 */
.page-header {
  padding: 2rem;
  border-bottom: 1px solid #e2e8f0;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
}

.page-header-left {
  flex: 1;
}

.page-title {
  font-size: 1.875rem;
  font-weight: 600;
  color: #1a202c;
  margin: 0 0 0.5rem 0;
}

.page-subtitle {
  color: #718096;
  margin: 0;
}

.page-header-right {
  flex-shrink: 0;
  margin-left: 2rem;
}

/* 面包屑 */
.breadcrumb {
  margin-bottom: 1rem;
  font-size: 0.875rem;
  color: #718096;
}

.breadcrumb a {
  color: #4299e1;
  text-decoration: none;
}

.breadcrumb-separator {
  margin: 0 0.5rem;
}

.breadcrumb-current {
  color: #2d3748;
  font-weight: 500;
}

/* ========== 表单组件 ========== */

/* 按钮 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.5rem 1rem;
  border: 1px solid transparent;
  border-radius: 6px;
  font-size: 0.875rem;
  font-weight: 500;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.2s;
  gap: 0.5rem;
}

.btn-primary {
  background: #4299e1;
  color: white;
  border-color: #4299e1;
}

.btn-primary:hover {
  background: #3182ce;
  border-color: #3182ce;
}

.btn-secondary {
  background: #718096;
  color: white;
  border-color: #718096;
}

.btn-secondary:hover {
  background: #4a5568;
  border-color: #4a5568;
}

.btn-success {
  background: #48bb78;
  color: white;
  border-color: #48bb78;
}

.btn-success:hover {
  background: #38a169;
  border-color: #38a169;
}

.btn-danger {
  background: #f56565;
  color: white;
  border-color: #f56565;
}

.btn-danger:hover {
  background: #e53e3e;
  border-color: #e53e3e;
}

.btn-outline {
  background: transparent;
  color: #4a5568;
  border-color: #e2e8f0;
}

.btn-outline:hover {
  background: #f7fafc;
  border-color: #cbd5e0;
}

.btn-sm {
  padding: 0.25rem 0.75rem;
  font-size: 0.75rem;
}

/* 表单元素 */
.form-group {
  margin-bottom: 1.5rem;
}

.form-label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 500;
  color: #2d3748;
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid #e2e8f0;
  border-radius: 6px;
  font-size: 0.875rem;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: #4299e1;
  box-shadow: 0 0 0 3px rgba(66, 153, 225, 0.1);
}

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

.form-help {
  margin-top: 0.25rem;
  font-size: 0.75rem;
  color: #718096;
}

/* ========== 表格组件 ========== */
.table-container {
  overflow-x: auto;
  border: 1px solid #e2e8f0;
  border-radius: 8px;
}

.table {
  width: 100%;
  border-collapse: collapse;
}

.table th,
.table td {
  padding: 0.75rem 1rem;
  text-align: left;
  border-bottom: 1px solid #e2e8f0;
}

.table th {
  background: #f7fafc;
  font-weight: 600;
  color: #2d3748;
  font-size: 0.875rem;
}

.table tbody tr:hover {
  background: #f7fafc;
}

/* ========== 状态徽章 ========== */
.status-badge {
  display: inline-flex;
  align-items: center;
  padding: 0.25rem 0.75rem;
  border-radius: 9999px;
  font-size: 0.75rem;
  font-weight: 500;
  gap: 0.25rem;
}

.status-badge.status-published {
  background: #c6f6d5;
  color: #22543d;
}

.status-badge.status-draft {
  background: #feebc8;
  color: #744210;
}

.status-badge.status-unread {
  background: #bee3f8;
  color: #2a4365;
}

.status-badge.status-read {
  background: #d6f5d6;
  color: #22543d;
}

.status-badge.status-replied {
  background: #c6f6d5;
  color: #22543d;
}

/* ========== 分页组件 ========== */
.pagination-container {
  margin-top: 2rem;
  display: flex;
  justify-content: center;
}

.pagination {
  display: flex;
  gap: 0.25rem;
}

.pagination-link {
  padding: 0.5rem 0.75rem;
  border: 1px solid #e2e8f0;
  border-radius: 6px;
  color: #4a5568;
  text-decoration: none;
  transition: all 0.2s;
}

.pagination-link:hover {
  background: #f7fafc;
  border-color: #cbd5e0;
}

.pagination-link.active {
  background: #4299e1;
  color: white;
  border-color: #4299e1;
}

.pagination-ellipsis {
  padding: 0.5rem 0.75rem;
  color: #a0aec0;
}

/* ========== 特定页面样式 ========== */

/* 仪表盘 */
.dashboard {
  padding: 2rem;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.stats-card {
  background: white;
  border-radius: 8px;
  padding: 1.5rem;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
  display: flex;
  align-items: flex-start;
  gap: 1rem;
}

.stats-icon {
  font-size: 2rem;
  padding: 0.75rem;
  border-radius: 8px;
}

.stats-icon-primary {
  background: #ebf8ff;
}

.stats-icon-success {
  background: #f0fff4;
}

.stats-number {
  font-size: 2rem;
  font-weight: 600;
  color: #1a202c;
  margin-bottom: 0.25rem;
}

.stats-label {
  color: #718096;
  font-size: 0.875rem;
}

.stats-breakdown {
  margin-top: 0.5rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  font-size: 0.75rem;
}

.breakdown-item {
  color: #718096;
}

.breakdown-value {
  font-weight: 500;
  color: #2d3748;
}

/* 文章表格 */
.article-table-container {
  background: white;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.article-table {
  width: 100%;
  border-collapse: collapse;
}

.article-table th {
  background: #f7fafc;
  padding: 1rem;
  font-weight: 600;
  color: #2d3748;
  border-bottom: 1px solid #e2e8f0;
}

.article-table td {
  padding: 1rem;
  border-bottom: 1px solid #f1f5f9;
  vertical-align: top;
}

.article-row:hover {
  background: #f8fafc;
}

.article-title-cell h3 {
  margin: 0 0 0.5rem 0;
  font-size: 1rem;
  font-weight: 500;
}

.article-title-cell a {
  color: #2b6cb0;
  text-decoration: none;
}

.article-title-cell a:hover {
  color: #2c5aa0;
  text-decoration: underline;
}

.article-summary {
  color: #718096;
  font-size: 0.875rem;
  margin: 0.5rem 0;
}

.article-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem;
  margin-top: 0.5rem;
}

.tag {
  background: #edf2f7;
  color: #4a5568;
  padding: 0.125rem 0.5rem;
  border-radius: 12px;
  font-size: 0.75rem;
}

.category-badge {
  background: #e6fffa;
  color: #234e52;
  padding: 0.25rem 0.75rem;
  border-radius: 12px;
  font-size: 0.75rem;
  font-weight: 500;
}

.date-info {
  font-size: 0.875rem;
}

.primary-date {
  color: #2d3748;
  font-weight: 500;
}

.secondary-date {
  color: #718096;
  font-size: 0.75rem;
}

.action-buttons {
  display: flex;
  gap: 0.5rem;
  align-items: center;
}

/* 联系信息表格 */
.contact-table-container {
  background: white;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.contact-table {
  width: 100%;
  border-collapse: collapse;
}

.contact-table th {
  background: #f7fafc;
  padding: 1rem;
  font-weight: 600;
  color: #2d3748;
  border-bottom: 1px solid #e2e8f0;
}

.contact-table td {
  padding: 1rem;
  border-bottom: 1px solid #f1f5f9;
  vertical-align: top;
}

.contact-row:hover {
  background: #f8fafc;
}

.contact-row.status-unread {
  background: #f0f9ff;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.contact-name {
  font-weight: 500;
  color: #2d3748;
}

.contact-email {
  color: #4299e1;
  font-size: 0.875rem;
}

.contact-ip {
  color: #718096;
  font-size: 0.75rem;
}

.subject-content h4 {
  margin: 0 0 0.5rem 0;
  font-size: 1rem;
  font-weight: 500;
  color: #2d3748;
}

.subject-preview {
  color: #718096;
  font-size: 0.875rem;
}

.status-dropdown {
  margin: 0.25rem 0;
}

.status-select {
  padding: 0.25rem 0.5rem;
  border: 1px solid #e2e8f0;
  border-radius: 4px;
  font-size: 0.75rem;
  background: white;
}

/* 筛选组件 */
.page-filters {
  background: white;
  padding: 1.5rem 2rem;
  border-bottom: 1px solid #e2e8f0;
}

.filter-form {
  display: flex;
  gap: 1.5rem;
  align-items: flex-end;
  flex-wrap: wrap;
}

.filter-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.filter-label {
  font-size: 0.875rem;
  font-weight: 500;
  color: #2d3748;
}

.filter-select {
  padding: 0.5rem;
  border: 1px solid #e2e8f0;
  border-radius: 6px;
  font-size: 0.875rem;
  min-width: 150px;
}

.search-box {
  display: flex;
  border: 1px solid #e2e8f0;
  border-radius: 6px;
  overflow: hidden;
}

.search-input {
  flex: 1;
  padding: 0.5rem 0.75rem;
  border: none;
  outline: none;
  min-width: 200px;
}

.search-btn {
  padding: 0.5rem 0.75rem;
  background: #4299e1;
  color: white;
  border: none;
  cursor: pointer;
  transition: background-color 0.2s;
}

.search-btn:hover {
  background: #3182ce;
}

.filter-clear {
  color: #e53e3e;
  text-decoration: none;
  font-size: 0.875rem;
  padding: 0.5rem 0;
}

.filter-clear:hover {
  text-decoration: underline;
}

/* 内容区域 */
.content-section {
  padding: 2rem;
}

/* 空状态 */
.empty-state {
  text-align: center;
  padding: 4rem 2rem;
  color: #718096;
}

.empty-icon {
  font-size: 4rem;
  margin-bottom: 1rem;
}

.empty-title {
  font-size: 1.25rem;
  font-weight: 500;
  color: #2d3748;
  margin-bottom: 0.5rem;
}

.empty-text {
  margin-bottom: 1.5rem;
}

/* 列表底部 */
.list-footer {
  padding: 1rem 2rem;
  border-top: 1px solid #e2e8f0;
  background: #f8fafc;
  color: #718096;
  font-size: 0.875rem;
}

/* ========== 文章管理特定样式 ========== */

/* 文章表单样式 */
.article-form {
  background: white;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 2rem;
}

.form-main {
  flex: 1;
}

.form-sidebar {
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  border-radius: 8px;
  padding: 1.5rem;
  height: fit-content;
  position: sticky;
  top: 1rem;
}

.sidebar-section {
  margin-bottom: 2rem;
}

.sidebar-section:last-child {
  margin-bottom: 0;
}

.sidebar-title {
  font-size: 1rem;
  font-weight: 600;
  color: #2d3748;
  margin: 0 0 1rem 0;
  border-bottom: 1px solid #e2e8f0;
  padding-bottom: 0.5rem;
}

.content-editor {
  min-height: 400px;
  font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
  font-size: 0.875rem;
  line-height: 1.6;
}

.form-actions {
  margin-top: 2rem;
  padding-top: 2rem;
  border-top: 1px solid #e2e8f0;
}

.action-buttons {
  display: flex;
  gap: 1rem;
  align-items: center;
}

/* 文章信息显示 */
.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 1rem;
  font-size: 0.875rem;
}

.meta-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.article-view {
  max-width: none;
}

.article-summary-section,
.article-content-section,
.article-tags-section,
.article-link-section,
.article-technical-section {
  margin-bottom: 2rem;
  padding: 1.5rem;
  border: 1px solid #e2e8f0;
  border-radius: 8px;
  background: white;
}

.section-title {
  font-size: 1.125rem;
  font-weight: 600;
  color: #2d3748;
  margin: 0 0 1rem 0;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid #e2e8f0;
}

.article-content {
  background: #f8fafc;
  padding: 1.5rem;
  border-radius: 6px;
  border: 1px solid #e2e8f0;
  line-height: 1.7;
  color: #2d3748;
}

.empty-content {
  color: #a0aec0;
  font-style: italic;
  text-align: center;
  padding: 2rem;
}

.link-info {
  font-size: 0.875rem;
}

.article-link {
  color: #4299e1;
  text-decoration: none;
  margin-left: 0.5rem;
}

.article-link:hover {
  text-decoration: underline;
}

.technical-info {
  background: #f8fafc;
  padding: 1rem;
  border-radius: 6px;
  border: 1px solid #e2e8f0;
}

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

.info-item {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.info-label {
  font-size: 0.75rem;
  font-weight: 600;
  color: #718096;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.info-value {
  font-size: 0.875rem;
  color: #2d3748;
  word-break: break-all;
}

/* ========== 联系信息管理特定样式 ========== */

/* 统计摘要 */
.stats-summary {
  display: flex;
  gap: 1.5rem;
  align-items: center;
}

.stat-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 0.75rem 1rem;
  background: white;
  border: 1px solid #e2e8f0;
  border-radius: 8px;
  min-width: 80px;
}

.stat-item.unread {
  background: #f0f9ff;
  border-color: #bfdbfe;
}

.stat-number {
  font-size: 1.5rem;
  font-weight: 600;
  color: #2d3748;
  margin-bottom: 0.25rem;
}

.stat-label {
  font-size: 0.75rem;
  color: #718096;
  text-align: center;
}

/* 联系信息详情 */
.contact-details {
  max-width: none;
}

.detail-section {
  margin-bottom: 2rem;
  padding: 1.5rem;
  border: 1px solid #e2e8f0;
  border-radius: 8px;
  background: white;
}

.subject-content {
  font-size: 1.125rem;
  font-weight: 500;
  color: #2d3748;
  line-height: 1.5;
}

.message-content {
  background: #f8fafc;
  padding: 1.5rem;
  border-radius: 6px;
  border: 1px solid #e2e8f0;
}

.message-text {
  line-height: 1.7;
  color: #2d3748;
  white-space: pre-wrap;
  word-wrap: break-word;
}

.user-agent {
  font-size: 0.75rem;
  color: #718096;
  word-break: break-all;
}

.quick-actions {
  background: #f8fafc;
  padding: 1.5rem;
  border-radius: 6px;
  border: 1px solid #e2e8f0;
}

.action-group {
  margin-bottom: 1.5rem;
}

.action-group:last-child {
  margin-bottom: 0;
}

.action-title {
  font-size: 0.875rem;
  font-weight: 600;
  color: #4a5568;
  margin: 0 0 0.75rem 0;
}

.status-actions {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.detail-navigation {
  margin-top: 2rem;
  padding-top: 2rem;
  border-top: 1px solid #e2e8f0;
}

/* ========== 仪表盘特定样式 ========== */

.dashboard-content {
  margin-top: 2rem;
}

.dashboard-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  gap: 2rem;
  margin-bottom: 2rem;
}

.dashboard-section {
  background: white;
  border-radius: 8px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
  overflow: hidden;
}

.section-header {
  padding: 1.5rem 1.5rem 1rem 1.5rem;
  border-bottom: 1px solid #e2e8f0;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.section-title {
  font-size: 1.125rem;
  font-weight: 600;
  color: #2d3748;
  margin: 0;
}

.section-action {
  color: #4299e1;
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 500;
}

.section-action:hover {
  color: #3182ce;
}

.contact-list,
.article-list {
  padding: 0;
}

.contact-item,
.article-item {
  padding: 1rem 1.5rem;
  border-bottom: 1px solid #f1f5f9;
}

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

.contact-item.status-unread {
  background: #f0f9ff;
}

.contact-header,
.article-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 0.5rem;
}

.contact-info,
.article-info {
  flex: 1;
}

.contact-name,
.article-title {
  font-weight: 500;
  color: #2d3748;
  margin-bottom: 0.25rem;
}

.contact-email {
  color: #4299e1;
  font-size: 0.875rem;
}

.contact-meta,
.article-meta {
  display: flex;
  gap: 1rem;
  font-size: 0.75rem;
  color: #718096;
}

.contact-status,
.article-status {
  padding: 0.125rem 0.5rem;
  border-radius: 12px;
  font-size: 0.75rem;
  font-weight: 500;
}

.contact-status.status-unread,
.article-status.status-draft {
  background: #feebc8;
  color: #744210;
}

.contact-status.status-read,
.contact-status.status-replied,
.article-status.status-published {
  background: #c6f6d5;
  color: #22543d;
}

.contact-subject,
.article-summary {
  color: #4a5568;
  font-size: 0.875rem;
  line-height: 1.5;
  margin-bottom: 0.75rem;
}

.contact-actions,
.article-actions {
  display: flex;
  gap: 0.5rem;
}

.quick-actions {
  background: white;
  border-radius: 8px;
  padding: 2rem;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.quick-actions-title {
  font-size: 1.25rem;
  font-weight: 600;
  color: #2d3748;
  margin: 0 0 1.5rem 0;
}

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

.quick-action-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 1.5rem;
  border: 1px solid #e2e8f0;
  border-radius: 8px;
  text-decoration: none;
  color: #2d3748;
  transition: all 0.2s;
}

.quick-action-card:hover {
  border-color: #4299e1;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  transform: translateY(-2px);
}

.quick-action-icon {
  font-size: 2rem;
  margin-bottom: 0.75rem;
}

.quick-action-title {
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.quick-action-desc {
  font-size: 0.875rem;
  color: #718096;
}

/* ========== 通用增强样式 ========== */

.text-muted {
  color: #a0aec0;
}

.bulk-actions {
  padding: 1rem 2rem;
  background: #f8fafc;
  border-top: 1px solid #e2e8f0;
  font-size: 0.875rem;
  color: #718096;
}

.bulk-info {
  text-align: center;
}

/* 文章和联系信息表格列宽 */
.col-title {
  width: 40%;
}

.col-contact {
  width: 25%;
}

.col-subject {
  width: 35%;
}

.col-status {
  width: 12%;
}

.col-category {
  width: 15%;
}

.col-date {
  width: 15%;
}

.col-actions {
  width: 18%;
}

/* 编辑器增强样式 */
.editor-toolbar {
  display: flex;
  gap: 0.5rem;
  padding: 0.75rem;
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  border-bottom: none;
  border-radius: 6px 6px 0 0;
  flex-wrap: wrap;
}

.editor-toolbar-group {
  display: flex;
  gap: 0.25rem;
  padding: 0 0.5rem;
  border-right: 1px solid #e2e8f0;
}

.editor-toolbar-group:last-child {
  border-right: none;
}

.editor-btn {
  background: none;
  border: 1px solid transparent;
  border-radius: 4px;
  padding: 0.25rem 0.5rem;
  cursor: pointer;
  font-size: 0.875rem;
  transition: all 0.2s;
  line-height: 1;
}

.editor-btn:hover {
  background: #e2e8f0;
  border-color: #cbd5e0;
}

.editor-toolbar + .form-textarea {
  border-radius: 0 0 6px 6px;
  border-top: none;
}

/* 表单验证错误样式 */
.field-error {
  color: #f56565;
  font-size: 0.75rem;
  margin-top: 0.25rem;
  display: block;
}

.form-input.error,
.form-textarea.error,
.form-select.error {
  border-color: #f56565;
  box-shadow: 0 0 0 3px rgba(245, 101, 101, 0.1);
}

/* 加载状态 */
.loading {
  opacity: 0.6;
  pointer-events: none;
  position: relative;
}

.loading::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 20px;
  height: 20px;
  margin: -10px 0 0 -10px;
  border: 2px solid #e2e8f0;
  border-top: 2px solid #4299e1;
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* 选中状态 */
.selected {
  background-color: #ebf8ff !important;
}

/* 高亮显示 */
.highlight {
  background: #fef5e7;
  border: 1px solid #f6e05e;
  border-radius: 4px;
  padding: 0.25rem 0.5rem;
  animation: highlight-fade 2s ease-out;
}

@keyframes highlight-fade {
  0% { background: #fef5e7; }
  100% { background: transparent; }
}

/* 工具提示 */
.tooltip {
  position: relative;
  display: inline-block;
}

.tooltip::after {
  content: attr(data-tooltip);
  position: absolute;
  bottom: 100%;
  left: 50%;
  transform: translateX(-50%);
  background: #1a202c;
  color: white;
  padding: 0.5rem;
  border-radius: 4px;
  font-size: 0.75rem;
  white-space: nowrap;
  opacity: 0;
  visibility: hidden;
  transition: all 0.2s;
  z-index: 1000;
  margin-bottom: 5px;
}

.tooltip::before {
  content: '';
  position: absolute;
  bottom: 100%;
  left: 50%;
  transform: translateX(-50%);
  border: 5px solid transparent;
  border-top-color: #1a202c;
  opacity: 0;
  visibility: hidden;
  transition: all 0.2s;
}

.tooltip:hover::after,
.tooltip:hover::before {
  opacity: 1;
  visibility: visible;
}

/* 响应式设计 */
@media (max-width: 1024px) {
  .form-grid {
    grid-template-columns: 1fr;
  }
  
  .form-sidebar {
    position: static;
    margin-top: 2rem;
  }
  
  .dashboard-grid {
    grid-template-columns: 1fr;
  }
  
  .quick-actions-grid {
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  }
}

@media (max-width: 768px) {
  .admin-header {
    padding: 0 1rem;
  }
  
  .admin-sidebar {
    position: fixed;
    left: -250px;
    top: 60px;
    height: calc(100vh - 60px);
    z-index: 50;
    transition: left 0.3s;
  }
  
  .sidebar-open .admin-sidebar {
    left: 0;
  }
  
  .admin-content-inner {
    padding: 1rem;
  }
  
  .page-header {
    flex-direction: column;
    gap: 1rem;
    align-items: stretch;
  }
  
  .page-header-right {
    margin-left: 0;
  }
  
  .filter-form {
    flex-direction: column;
    align-items: stretch;
  }
  
  .stats-grid {
    grid-template-columns: 1fr;
  }
  
  .stats-summary {
    flex-wrap: wrap;
    justify-content: center;
  }
  
  .table-container {
    font-size: 0.875rem;
  }
  
  .article-table th,
  .article-table td,
  .contact-table th,
  .contact-table td {
    padding: 0.5rem;
  }
  
  .action-buttons {
    flex-direction: column;
    align-items: stretch;
  }
  
  .status-actions {
    flex-direction: column;
  }
  
  .quick-actions-grid {
    grid-template-columns: 1fr;
  }
  
  /* 隐藏部分表格列在小屏幕上 */
  .col-category,
  .col-date .secondary-date {
    display: none;
  }
  
  .article-tags,
  .contact-ip {
    display: none;
  }
}