:root {
  --primary-color: #4361ee;
  --secondary-color: #3f37c9;
  --success-color: #4caf50;
  --danger-color: #f44336;
  --warning-color: #ff9800;
  --info-color: #2196f3;
  --light-color: #f8f9fa;
  --dark-color: #212529;
  --text-color: #333;
  --text-light: #6c757d;
  --border-color: #dee2e6;
  --bg-light: #f8f9fa;
  --sidebar-width: 250px;
  --sidebar-collapsed-width: 70px;
  --transition-speed: 0.3s;
}

[data-theme="dark"] {
  --primary-color: #6366f1;
  --secondary-color: #8338ec;
  --text-color: #f8f9fa;
  --text-light: #adb5bd;
  --border-color: #495057;
  --bg-light: #343a40;
  --dark-color: #f8f9fa;
  --light-color: #212529;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background-color: var(--bg-light);
  color: var(--text-color);
  min-height: 100vh;
}

.app-container {
  display: flex;
  min-height: 100vh;
}

/* 侧边栏样式 */
.sidebar {
  width: var(--sidebar-width);
  background-color: var(--primary-color);
  color: white;
  height: 100vh;
  position: fixed;
  left: 0;
  top: 0;
  transition: width var(--transition-speed);
  display: flex;
  flex-direction: column;
  z-index: 1000;
}

.sidebar.collapsed {
  width: var(--sidebar-collapsed-width);
}

.sidebar-header {
  padding: 1rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.sidebar-header h3 {
  font-size: 1.2rem;
  margin: 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.btn-toggle-sidebar {
  background: transparent;
  border: none;
  color: white;
  cursor: pointer;
  font-size: 1.2rem;
}

.sidebar-content {
  flex: 1;
  overflow-y: auto;
  padding: 1rem 0;
}

.menu-item {
  padding: 0.8rem 1rem;
  display: flex;
  align-items: center;
  cursor: pointer;
  transition: background-color 0.2s;
}

.menu-item:hover {
  background-color: rgba(255, 255, 255, 0.1);
}

.menu-item.active {
  background-color: rgba(255, 255, 255, 0.2);
  border-left: 4px solid white;
}

.menu-item i {
  margin-right: 1rem;
  font-size: 1.2rem;
  width: 20px;
  text-align: center;
}

.sidebar.collapsed .menu-item span {
  display: none;
}

.sidebar.collapsed .sidebar-header h3,
.sidebar.collapsed .menu-item span,
.sidebar.collapsed .theme-switch span {
  display: none;
}

/* 主内容区域样式 */
.main-content {
  flex: 1;
  margin-left: var(--sidebar-width);
  transition: margin-left var(--transition-speed);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.sidebar.collapsed + .main-content {
  margin-left: var(--sidebar-collapsed-width);
}

.top-bar {
  background-color: white;
  padding: 1rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.search-container {
  position: relative;
  width: 300px;
}

.search-container i {
  position: absolute;
  left: 10px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-light);
}

.search-container input {
  width: 100%;
  padding: 0.5rem 0.5rem 0.5rem 2rem;
  border: 1px solid var(--border-color);
  border-radius: 4px;
}

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

.content-area {
  flex: 1;
  padding: 1.5rem;
  overflow-y: auto;
}

/* 统计卡片样式 */
.stats-cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.stat-card {
  background-color: white;
  border-radius: 8px;
  padding: 1.5rem;
  display: flex;
  align-items: center;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.stat-icon {
  background-color: rgba(67, 97, 238, 0.1);
  color: var(--primary-color);
  width: 60px;
  height: 60px;
  border-radius: 50%;
  display: flex;
  justify-content: center;
  align-items: center;
  font-size: 1.5rem;
  margin-right: 1rem;
}

.stat-info h3 {
  font-size: 1.8rem;
  margin: 0;
  font-weight: 600;
}

.stat-info p {
  color: var(--text-light);
  margin: 0;
}

/* 筛选器样式 */
.filters-container {
  background-color: white;
  border-radius: 8px;
  padding: 1.5rem;
  margin-bottom: 2rem;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.5rem;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.filter-group h4 {
  font-size: 1rem;
  margin-bottom: 0.8rem;
}

.filter-options {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.filter-btn {
  background-color: var(--bg-light);
  border: 1px solid var(--border-color);
  color: var(--text-color);
  padding: 0.5rem 1rem;
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.2s;
}

.filter-btn:hover {
  background-color: var(--border-color);
}

.filter-btn.active {
  background-color: var(--primary-color);
  color: white;
  border-color: var(--primary-color);
}

/* 域名卡片样式 */
.domains-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.5rem;
  margin-top: 1.5rem;
}

.domain-card {
  background-color: white;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  transition: transform 0.2s;
}

.domain-card:hover {
  transform: translateY(-5px);
}

.domain-header {
  padding: 1.5rem;
  background-color: var(--primary-color);
  color: white;
}

.domain-name {
  font-size: 1.2rem;
  font-weight: 600;
  margin: 0;
}

.domain-body {
  padding: 1.5rem;
}

.domain-info {
  margin-bottom: 1rem;
}

.domain-info-item {
  display: flex;
  justify-content: space-between;
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--border-color);
}

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

.domain-info-label {
  color: var(--text-light);
}

.domain-price {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--primary-color);
  margin-top: 1rem;
  text-align: center;
}

.domain-footer {
  display: flex;
  border-top: 1px solid var(--border-color);
}

.domain-footer button {
  flex: 1;
  padding: 0.8rem;
  border: none;
  background-color: transparent;
  cursor: pointer;
  transition: background-color 0.2s;
}

.domain-footer button:hover {
  background-color: var(--bg-light);
}

.domain-footer button:first-child {
  border-right: 1px solid var(--border-color);
}

/* 表格样式 */
.table-container {
  background-color: white;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  margin-top: 1.5rem;
}

.table th {
  background-color: var(--bg-light);
  font-weight: 600;
}

/* 设置表单样式 */
.settings-form .card,
.links-container {
  background-color: white;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.links-container {
  padding: 1.5rem;
}

.links-list {
  margin-top: 1.5rem;
}

.link-item {
  background-color: var(--bg-light);
  border-radius: 8px;
  padding: 1rem;
  margin-bottom: 1rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.link-details h5 {
  margin: 0;
  font-size: 1rem;
}

.link-details p {
  margin: 0.3rem 0 0;
  font-size: 0.9rem;
  color: var(--text-light);
}

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

/* 设置选项卡样式 */
.settings-tabs .nav-link {
  color: var(--text-color);
  border-radius: 0;
  padding: 0.75rem 1.5rem;
  font-weight: 500;
}

.settings-tabs .nav-link:hover {
  background-color: var(--bg-light);
}

.settings-tabs .nav-link.active {
  color: var(--primary-color);
  border-color: var(--border-color) var(--border-color) #fff;
  border-bottom: 2px solid var(--primary-color);
  background-color: transparent;
}

.tab-content .card {
  border-top-left-radius: 0;
}

.tab-content .card-header {
  background-color: var(--bg-light);
  border-bottom: 1px solid var(--border-color);
  padding: 1rem 1.25rem;
  font-weight: 500;
}

.tab-content .card-body {
  padding: 1.5rem;
}

.links-container.p-0.shadow-none {
  box-shadow: none !important;
  padding: 0 !important;
}

/* JSON上传和预览样式 */
.upload-preview {
  background-color: var(--bg-light);
  border-color: var(--border-color) !important;
}

.preview-item {
  margin-bottom: 0.5rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border-color);
}

.preview-item:last-child {
  margin-bottom: 0;
  padding-bottom: 0;
  border-bottom: none;
}

#jsonTextarea {
  font-family: monospace;
  font-size: 0.9rem;
}

.section {
  display: none;
}

.section.active {
  display: block;
}

.view-options {
  display: flex;
  gap: 0.5rem;
  margin-top: 1rem;
}

.view-btn {
  background-color: var(--bg-light);
  border: 1px solid var(--border-color);
  color: var(--text-color);
  padding: 0.5rem 1rem;
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.2s;
}

.view-btn:hover {
  background-color: var(--border-color);
}

.view-btn.active {
  background-color: var(--primary-color);
  color: white;
  border-color: var(--primary-color);
}

/* 响应式设计 */
@media (max-width: 992px) {
  :root {
    --sidebar-width: 200px;
  }
  
  .filters-container {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .sidebar {
    width: var(--sidebar-collapsed-width);
  }
  
  .main-content {
    margin-left: var(--sidebar-collapsed-width);
  }
  
  .sidebar .menu-item span,
  .sidebar .theme-switch span,
  .sidebar-header h3 {
    display: none;
  }
  
  .sidebar.expanded {
    width: var(--sidebar-width);
  }
  
  .sidebar.expanded .menu-item span,
  .sidebar.expanded .theme-switch span,
  .sidebar.expanded .sidebar-header h3 {
    display: inline;
  }
  
  .top-bar {
    flex-direction: column;
    align-items: stretch;
    gap: 1rem;
  }
  
  .search-container {
    width: 100%;
  }
}

@media (max-width: 576px) {
  .domains-grid {
    grid-template-columns: 1fr;
  }
  
  .stats-cards {
    grid-template-columns: 1fr;
  }
}

/* 导入导出页面样式 */
#importExportTabs .nav-link {
  color: var(--text-color);
  border-radius: 0;
  padding: 0.75rem 1.5rem;
  font-weight: 500;
}

#importExportTabs .nav-link:hover {
  background-color: var(--bg-light);
}

#importExportTabs .nav-link.active {
  color: var(--primary-color);
  border-color: var(--border-color) var(--border-color) #fff;
  border-bottom: 2px solid var(--primary-color);
  background-color: transparent;
}

.export-preview {
  background-color: var(--bg-light);
  border-radius: 8px;
  padding: 1rem;
}

.preview-stats {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.preview-stats .preview-item {
  padding: 0.5rem;
  border-bottom: 1px solid var(--border-color);
}

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

/* 数据预览样式 */
.json-preview {
  background-color: var(--bg-light);
  padding: 1rem;
  border-radius: 4px;
  white-space: pre-wrap;
  font-family: monospace;
  font-size: 0.9rem;
  max-height: 400px;
  overflow-y: auto;
  border: 1px solid var(--border-color);
  box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.1);
}

.settings-preview {
  background-color: var(--bg-light);
  border-radius: 4px;
  padding: 1rem;
  border: 1px solid var(--border-color);
  box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.1);
}

.settings-preview-item {
  margin-bottom: 1.5rem;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 1rem;
}

.settings-preview-item:last-child {
  border-bottom: none;
  margin-bottom: 0;
}

.settings-preview-item h5 {
  margin-bottom: 0.8rem;
  font-size: 1.1rem;
  color: var(--primary-color);
}

#previewDataTabs .nav-link {
  color: var(--text-color);
  border-radius: 0;
  padding: 0.5rem 1rem;
  font-weight: 500;
}

#previewDataTabs .nav-link:hover {
  background-color: var(--bg-light);
}

#previewDataTabs .nav-link.active {
  color: var(--primary-color);
  border-color: var(--border-color) var(--border-color) #fff;
  border-bottom: 2px solid var(--primary-color);
  background-color: transparent;
}

[data-theme="dark"] #previewDataTabs .nav-link.active {
  border-color: var(--border-color) var(--border-color) var(--bg-light);
  background-color: transparent;
}

.settings-preview .preview-item {
  padding: 0.5rem;
  border-bottom: 1px solid var(--border-color);
}

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

#previewDomainsTable th {
  position: sticky;
  top: 0;
  background-color: var(--bg-light);
  z-index: 1;
}

.preview-domain-badge {
  display: inline-block;
  padding: 0.25rem 0.5rem;
  border-radius: 0.25rem;
  font-size: 0.75rem;
  font-weight: bold;
}

/* 主题设置样式 */
.theme-options {
  display: flex;
  gap: 1.5rem;
  margin-top: 0.5rem;
}

.theme-preview {
  width: 120px;
  height: 80px;
  border-radius: 8px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  border: 2px solid var(--border-color);
  transition: all 0.2s;
}

.theme-preview:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.form-check-input:checked + .form-check-label .theme-preview {
  border-color: var(--primary-color);
}

.theme-preview-color {
  flex: 1;
}

.light-theme .theme-preview-color {
  background-color: var(--light-color);
}

.dark-theme .theme-preview-color {
  background-color: var(--dark-color);
}

.light-theme span {
  background-color: white;
  color: var(--dark-color);
  padding: 0.5rem;
  text-align: center;
  font-size: 0.9rem;
}

.dark-theme span {
  background-color: #212529;
  color: white;
  padding: 0.5rem;
  text-align: center;
  font-size: 0.9rem;
}

.form-check-inline {
  margin-right: 0;
}

.form-check-inline .form-check-input {
  position: absolute;
  opacity: 0;
}

/* 删除确认模态框样式 */
.delete-item-info {
  background-color: var(--bg-light);
  border-color: var(--border-color) !important;
}

.delete-item-info .domain-info-item {
  display: flex;
  justify-content: space-between;
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--border-color);
}

.delete-item-info .domain-info-item:last-child {
  border-bottom: none;
}

.delete-item-info .domain-info-label {
  color: var(--text-light);
  font-weight: 500;
}

/* 域名编辑模态框样式 */
#domainModal .modal-body {
  padding: 1.5rem;
}

#domainForm label {
  font-weight: 500;
  margin-bottom: 0.5rem;
}

#domainForm .input-group-text {
  background-color: var(--primary-color);
  color: white;
  border-color: var(--primary-color);
}

#domainModal .form-check {
  margin-bottom: 0.5rem;
}

#domainModal .form-check-input:checked {
  background-color: var(--primary-color);
  border-color: var(--primary-color);
}

/* 到期日期查询按钮样式 */
#queryExpiryBtn {
  background-color: #17a2b8;
  border-color: #17a2b8;
}

#queryExpiryBtn:hover {
  background-color: #138496;
  border-color: #117a8b;
}

#expiryQueryStatus {
  font-size: 0.875rem;
}

#expiryQueryStatus.loading {
  color: #6c757d;
}

#expiryQueryStatus.success {
  color: #28a745;
}

#expiryQueryStatus.error {
  color: #dc3545;
}

#customContextMenu {
  min-width: 140px;
  border-radius: 6px;
  overflow: hidden;
  padding: 0;
}
#customContextMenu .list-group-item {
  user-select: none;
  font-size: 15px;
  padding: 8px 18px;
}
#customContextMenu .list-group-item:hover {
  background: #f0f0f0;
}