:root {
  --primary-color: #0066cc;
  --secondary-color: #3987ce;
  --dark-color: #333333;
  --light-color: #ffffff;
  --gray-color: #667788;
  --light-gray: #f5f7fa;
  --lighter-gray: #edf2f7;
  --border-color: #dee2e6;
  --success-color: #10b981;
  --warning-color: #f59e0b;
  --danger-color: #ef4444;
  --card-bg-color: #ffffff;
  --text-color: #333333;
  --notification-bg: #f8fafc;
  --footer-bg: #f1f5f9;
  --toast-bg: rgba(255, 255, 255, 0.95);
  --sidebar-hover: #f0f7ff;
  --header-bg: linear-gradient(to right, #ffffff, #f9fafe);
  --gradient-primary: linear-gradient(135deg, #0066cc, #338bcc);
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.1);
  --settings-sidebar-width: 220px;
  --input-bg: #ffffff;
  --input-border: #d1d5db;
  --input-focus-border: #0066cc;
  --input-focus-shadow: rgba(0, 102, 204, 0.1);
  --settings-active: #f0f7ff;
}

/* 深色模式变量 */
[data-theme="dark"] {
  --primary-color: #3b82f6;
  --secondary-color: #60a5fa;
  --dark-color: #f3f4f6;
  --light-color: #1e293b;
  --gray-color: #94a3b8;
  --light-gray: #0f172a;
  --lighter-gray: #1e293b;
  --border-color: #334155;
  --card-bg-color: #0f172a;
  --text-color: #f3f4f6;
  --notification-bg: #1e293b;
  --footer-bg: #0f172a;
  --toast-bg: rgba(15, 23, 42, 0.95);
  --sidebar-hover: #334155;
  --header-bg: linear-gradient(to right, #0f172a, #1e293b);
  --gradient-primary: linear-gradient(135deg, #3b82f6, #60a5fa);
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.5);
  --input-bg: #1e293b;
  --input-border: #334155;
  --input-focus-border: #3b82f6;
  --input-focus-shadow: rgba(59, 130, 246, 0.2);
  --settings-active: #334155;
}

/* 系统默认主题跟随 */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    --primary-color: #3b82f6;
    --secondary-color: #60a5fa;
    --dark-color: #f3f4f6;
    --light-color: #1e293b;
    --gray-color: #94a3b8;
    --light-gray: #0f172a;
    --lighter-gray: #1e293b;
    --border-color: #334155;
    --card-bg-color: #0f172a;
    --text-color: #f3f4f6;
    --notification-bg: #1e293b;
    --footer-bg: #0f172a;
    --toast-bg: rgba(15, 23, 42, 0.95);
    --sidebar-hover: #334155;
    --header-bg: linear-gradient(to right, #0f172a, #1e293b);
    --gradient-primary: linear-gradient(135deg, #3b82f6, #60a5fa);
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.5);
    --input-bg: #1e293b;
    --input-border: #334155;
    --input-focus-border: #3b82f6;
    --input-focus-shadow: rgba(59, 130, 246, 0.2);
    --settings-active: #334155;
  }
}

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

body {
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  line-height: 1.6;
  color: var(--text-color);
  background-color: var(--light-gray);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 1rem;
}

/* 导航栏样式 */
.navbar {
  background: var(--header-bg);
  border-bottom: 1px solid var(--border-color);
  padding: 0.75rem 0;
  box-shadow: var(--shadow-sm);
}

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

.logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary-color);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.logo span {
  display: flex;
  align-items: center;
}

.logo-placeholder {
  width: 36px;
  height: 36px;
  background-color: var(--primary-color);
  border-radius: 6px;
}

/* 导航右侧 */
.nav-right {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

/* 搜索框 */
.search-box {
  position: relative;
}

.search-box input {
  background-color: var(--light-color);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  padding: 0.5rem 0.75rem;
  padding-right: 2.5rem;
  color: var(--text-color);
  width: 240px;
  font-size: 0.875rem;
  transition: all 0.2s;
  box-shadow: var(--shadow-sm);
}

.search-box input:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(0, 102, 204, 0.1);
}

.search-box input::placeholder {
  color: var(--gray-color);
}

.search-box .material-icons {
  position: absolute;
  right: 8px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--gray-color);
  font-size: 1.25rem;
}

/* 导航链接 */
.nav-links {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  color: var(--dark-color);
  text-decoration: none;
  font-size: 0.875rem;
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
  transition: background-color 0.2s, color 0.2s;
}

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

.nav-link .material-icons {
  font-size: 1.25rem;
  color: var(--gray-color);
}

.nav-link:hover .material-icons {
  color: var(--primary-color);
}

/* 用户资料 */
.user-profile {
  display: flex;
  align-items: center;
  position: relative;
  cursor: pointer;
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
  transition: background-color 0.2s;
}

.user-profile:hover {
  background-color: var(--sidebar-hover);
}

.profile-trigger {
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.dropdown-menu {
  position: absolute;
  top: 100%;
  right: 0;
  margin-top: 0.25rem;
  background-color: var(--light-color);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  width: 180px;
  box-shadow: var(--shadow-lg);
  z-index: 1000;
  overflow: hidden;
  padding: 0.5rem 0;
  transition: opacity 0.25s ease, visibility 0.25s ease;
  visibility: hidden;
  opacity: 0;
  display: block;
}

.user-profile:hover .dropdown-menu {
  visibility: visible;
  opacity: 1;
}

.dropdown-menu:hover {
  visibility: visible;
  opacity: 1;
}

/* 為下拉選單添加一個顯示延遲狀態 */
.dropdown-visible {
  visibility: visible !important;
  opacity: 1 !important;
}

.dropdown-menu a {
  display: block;
  padding: 0.75rem 1rem;
  color: var(--text-color);
  text-decoration: none;
  font-size: 0.875rem;
  transition: background-color 0.2s;
}

.dropdown-menu a:hover {
  background-color: var(--sidebar-hover);
  color: var(--primary-color);
}

.dropdown-menu a:not(:last-child) {
  border-bottom: 1px solid var(--border-color);
}

.badge {
  display: inline-block;
  background: var(--gradient-primary);
  color: var(--light-color);
  font-size: 0.75rem;
  border-radius: 10px;
  padding: 0.15rem 0.4rem;
  margin-left: 0.5rem;
  box-shadow: var(--shadow-sm);
}

/* 面包屑导航 */
.breadcrumb {
  background-color: var(--light-color);
  padding: 0.5rem 0;
  font-size: 0.875rem;
  box-shadow: var(--shadow-sm);
}

.breadcrumb .container {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.breadcrumb .material-icons {
  font-size: 1rem;
  color: var(--gray-color);
}

/* 系统通知 */
.system-notification {
  background-color: var(--notification-bg);
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--border-color);
}

.system-notification .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.notification-content {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  color: var(--text-color);
}

.notification-content .material-icons {
  color: var(--primary-color);
  font-size: 1.25rem;
}

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

/* 按钮样式 */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  background: none;
  border: none;
  padding: 0.5rem 1rem;
  border-radius: 4px;
  font-family: inherit;
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
}

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

.btn-primary {
  background: var(--gradient-primary);
  color: var(--light-color);
  box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}

.btn-outline {
  background-color: var(--light-color);
  border: 1px solid var(--border-color);
  color: var(--text-color);
  box-shadow: var(--shadow-sm);
}

.btn-outline:hover {
  border-color: var(--primary-color);
  color: var(--primary-color);
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}

/* 仪表盘头部 */
.dashboard-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
}

.dashboard-header h1 {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--dark-color);
  position: relative;
}

.dashboard-header h1:after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -4px;
  width: 40px;
  height: 3px;
  background: var(--gradient-primary);
  border-radius: 3px;
}

.dashboard-actions {
  display: flex;
  gap: 0.75rem;
}

/* 主内容区样式 */
.main {
  padding: 2rem 0;
  flex-grow: 1;
}

.grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

@media (min-width: 768px) {
  .grid {
    grid-template-columns: 3fr 1fr;
  }
}

/* 侧边栏样式 */
.sidebar {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

/* 模块卡片样式 */
.modules-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 1rem;
  margin-top: 1rem;
  margin-bottom: 2rem;
}

.module-card {
  background: var(--card-bg-color);
  border-radius: 10px;
  box-shadow: var(--shadow-md);
  padding: 1.5rem;
  transition: all 0.3s ease;
  cursor: pointer;
  border: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 1rem;
  position: relative;
  overflow: hidden;
}

.module-card:before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 5px;
  background: var(--gradient-primary);
  opacity: 0;
  transition: opacity 0.3s;
}

.module-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
}

.module-card:hover:before {
  opacity: 1;
}

.module-card.active:before {
  opacity: 1;
}

.module-card.active {
  border-color: var(--primary-color);
}

.module-card.linked {
  border: 1px solid var(--border-color);
}

.module-icon {
  width: 64px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary-color);
  font-size: 2.5rem;
  margin-bottom: 0.5rem;
  background: linear-gradient(135deg, var(--lighter-gray), var(--light-color));
  border-radius: 50%;
  box-shadow: var(--shadow-sm);
  margin: 0 auto 1rem auto;
}

.module-title {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--dark-color);
}

/* 最近活动 */
.recent-activities {
  background-color: var(--card-bg-color);
  border-radius: 10px;
  border: 1px solid var(--border-color);
  padding: 1.5rem;
  box-shadow: var(--shadow-md);
}

.section-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.25rem;
}

.section-header h2 {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--dark-color);
  position: relative;
}

.section-header h2:after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -4px;
  width: 30px;
  height: 2px;
  background: var(--gradient-primary);
  border-radius: 2px;
}

.view-all {
  color: var(--primary-color);
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 500;
}

.view-all:hover {
  text-decoration: underline;
}

.activity-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.activity-item {
  display: flex;
  gap: 1rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border-color);
}

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

.activity-icon {
  width: 40px;
  height: 40px;
  background-color: var(--lighter-gray);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-sm);
}

.activity-icon .material-icons {
  color: var(--primary-color);
  font-size: 1.5rem;
}

.activity-content h4 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 0.25rem;
  color: var(--dark-color);
}

.activity-content p {
  font-size: 0.875rem;
  color: var(--gray-color);
  margin-bottom: 0.5rem;
}

.activity-time {
  font-size: 0.75rem;
  color: var(--gray-color);
}

/* 系统信息样式 */
.system-info {
  background-color: var(--card-bg-color);
  border-radius: 10px;
  box-shadow: var(--shadow-md);
  padding: 1.5rem;
  border: 1px solid var(--border-color);
}

.info-title {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 1rem;
  color: var(--dark-color);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.info-title .material-icons {
  color: var(--primary-color);
}

.info-item {
  margin-bottom: 1.2rem;
}

.info-label {
  font-size: 0.875rem;
  color: var(--gray-color);
  margin-bottom: 0.25rem;
}

.info-value {
  font-weight: 500;
  color: var(--dark-color);
  display: flex;
  align-items: center;
  gap: 1rem;
}

.progress-bar {
  width: 100%;
  height: 6px;
  background-color: var(--lighter-gray);
  border-radius: 3px;
  margin-top: 0.25rem;
  overflow: hidden;
}

.progress-value {
  height: 100%;
  border-radius: 3px;
  background: var(--gradient-primary);
}

.progress-value.warning {
  background: linear-gradient(135deg, var(--warning-color), #f8b033);
}

.progress-value.danger {
  background: linear-gradient(135deg, var(--danger-color), #f87171);
}

/* 快速访问 */
.quick-access {
  background-color: var(--card-bg-color);
  border-radius: 10px;
  border: 1px solid var(--border-color);
  padding: 1.5rem;
  box-shadow: var(--shadow-md);
}

.quick-links {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.quick-link {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 0.5rem;
  padding: 1rem;
  background-color: var(--lighter-gray);
  border-radius: 8px;
  border: 1px solid transparent;
  text-decoration: none;
  color: var(--dark-color);
  transition: all 0.2s;
  box-shadow: var(--shadow-sm);
}

.quick-link:hover {
  border-color: var(--primary-color);
  background-color: var(--light-color);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.quick-link .material-icons {
  font-size: 1.75rem;
  color: var(--primary-color);
}

.quick-link span:not(.material-icons) {
  font-size: 0.875rem;
}

.divider {
  height: 1px;
  background-color: var(--border-color);
  margin: 1rem 0;
}

.section-title {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 1rem;
  color: var(--dark-color);
}

/* 图标样式 */
.icon {
  font-size: 1.25rem;
  color: var(--primary-color);
}

/* 底部版权信息 */
.footer {
  background-color: var(--footer-bg);
  border-top: 1px solid var(--border-color);
  padding: 1.5rem 0;
  margin-top: auto;
  box-shadow: 0 -1px 4px rgba(0, 0, 0, 0.03);
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-info p {
  font-size: 0.875rem;
  color: var(--gray-color);
  margin-bottom: 0.25rem;
}

.footer-links {
  display: flex;
  gap: 1.5rem;
}

.footer-links a {
  font-size: 0.875rem;
  color: var(--gray-color);
  text-decoration: none;
  transition: color 0.2s;
}

.footer-links a:hover {
  color: var(--primary-color);
}

/* Toast提示框 */
.toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%) translateY(100%);
  background-color: var(--toast-bg);
  color: var(--dark-color);
  padding: 12px 24px;
  border-radius: 8px;
  font-size: 14px;
  z-index: 9999;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  transition: transform 0.3s, opacity 0.3s;
  border: 1px solid var(--border-color);
}

.toast.show {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
}

/* 刷新旋转动画 */
@keyframes spin {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

.spinning {
  animation: spin 0.8s linear;
}

/* 响应式调整 */
@media (max-width: 768px) {
  .nav-links a span:not(.material-icons) {
    display: none;
  }
  
  .user-profile span:not(.material-icons) {
    display: none;
  }
  
  .search-box input {
    width: 160px;
  }
  
  .footer-content {
    flex-direction: column;
    align-items: flex-start;
  }
}

/* 面包屑链接样式 */
.breadcrumb a {
  color: var(--primary-color);
  text-decoration: none;
}

.breadcrumb a:hover {
  text-decoration: underline;
}

.breadcrumb .separator {
  color: var(--gray-color);
  margin: 0 0.25rem;
}

/* 激活的导航链接 */
.nav-link.active {
  background-color: var(--sidebar-hover);
  color: var(--primary-color);
}

.nav-link.active .material-icons {
  color: var(--primary-color);
}

/* 设置页面样式 */
.settings-container {
  display: grid;
  grid-template-columns: var(--settings-sidebar-width) 1fr;
  gap: 2rem;
  margin-top: 1.5rem;
  margin-bottom: 2rem;
}

/* 设置侧边栏 */
.settings-sidebar {
  position: sticky;
  top: 1.5rem;
  height: max-content;
}

.settings-nav {
  background-color: var(--card-bg-color);
  border-radius: 10px;
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-md);
  overflow: hidden;
}

.settings-nav-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem;
  color: var(--text-color);
  text-decoration: none;
  border-bottom: 1px solid var(--border-color);
  transition: all 0.2s;
}

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

.settings-nav-item.active {
  background-color: var(--settings-active);
  color: var(--primary-color);
  font-weight: 500;
}

.settings-nav-item:hover {
  background-color: var(--sidebar-hover);
}

.settings-nav-item .material-icons {
  font-size: 1.25rem;
  color: var(--gray-color);
}

.settings-nav-item.active .material-icons,
.settings-nav-item:hover .material-icons {
  color: var(--primary-color);
}

/* 设置内容区域 */
.settings-content {
  background-color: var(--card-bg-color);
  border-radius: 10px;
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-md);
  padding: 1.5rem;
}

.settings-section {
  display: none;
}

.settings-section.active {
  display: block;
}

.settings-section-title {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--border-color);
  color: var(--text-color);
}

/* 设置选项 */
.settings-option {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 0;
  border-bottom: 1px solid var(--border-color);
}

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

.settings-option-info {
  flex: 1;
}

.settings-option-title {
  font-size: 1rem;
  font-weight: 500;
  color: var(--text-color);
  margin-bottom: 0.25rem;
}

.settings-option-desc {
  color: var(--gray-color);
  font-size: 0.875rem;
}

.settings-option-control {
  min-width: 120px;
  text-align: right;
}

/* 切换开关 */
.toggle-switch {
  position: relative;
  display: inline-block;
  width: 52px;
  height: 26px;
}

.toggle-switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.toggle-slider {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: var(--input-border);
  transition: 0.4s;
  border-radius: 34px;
}

.toggle-slider:before {
  position: absolute;
  content: "";
  height: 18px;
  width: 18px;
  left: 4px;
  bottom: 4px;
  background-color: var(--light-color);
  transition: 0.4s;
  border-radius: 50%;
}

input:checked + .toggle-slider {
  background: var(--gradient-primary);
}

input:focus + .toggle-slider {
  box-shadow: 0 0 1px var(--primary-color);
}

input:checked + .toggle-slider:before {
  transform: translateX(26px);
}

/* 下拉选择 */
.settings-select {
  display: inline-block;
  width: 100%;
  padding: 0.5rem 2rem 0.5rem 0.75rem;
  font-size: 0.875rem;
  line-height: 1.5;
  color: var(--text-color);
  background-color: var(--input-bg);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23667788' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.5rem center;
  background-size: 16px;
  border: 1px solid var(--input-border);
  border-radius: 0.25rem;
  appearance: none;
  transition: border-color 0.15s ease-in-out, box-shadow 0.15s ease-in-out;
}

.settings-select:focus {
  outline: none;
  border-color: var(--input-focus-border);
  box-shadow: 0 0 0 3px var(--input-focus-shadow);
}

/* 主题切换图标按钮 */
.theme-toggle {
  background: none;
  border: none;
  color: var(--gray-color);
  cursor: pointer;
  font-size: 1.25rem;
  padding: 0.25rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  width: 36px;
  height: 36px;
  transition: background-color 0.2s, color 0.2s;
}

.theme-toggle:hover {
  background-color: var(--sidebar-hover);
  color: var(--primary-color);
}

@media (max-width: 768px) {
  .settings-container {
    grid-template-columns: 1fr;
    gap: 1rem;
  }
  
  .settings-sidebar {
    position: static;
  }
  
  .settings-nav {
    display: flex;
    overflow-x: auto;
    white-space: nowrap;
  }
  
  .settings-nav-item {
    flex-direction: column;
    gap: 0.25rem;
    padding: 0.75rem;
    font-size: 0.875rem;
  }
  
  .settings-option {
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
  }
  
  .settings-option-control {
    width: 100%;
    text-align: left;
  }
  
  .settings-select {
    width: 100%;
  }
}

/* AI 聊天室样式 */
.ai-chat-widget {
  position: fixed;
  right: 20px;
  bottom: 20px;
  z-index: 1000;
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
}

.chat-button {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: var(--primary-color);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
  transition: all 0.3s ease;
  color: white;
}

.chat-button .material-icons {
  font-size: 30px;
}

.chat-button:hover {
  background: var(--secondary-color);
  transform: translateY(-2px);
  box-shadow: 0 6px 12px rgba(0, 0, 0, 0.25);
}

.chat-panel {
  position: absolute;
  bottom: 70px;
  right: 0;
  width: 350px;
  height: 500px;
  background-color: var(--card-bg-color);
  border-radius: 12px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transform: scale(0);
  transform-origin: bottom right;
  transition: transform 0.3s ease;
  opacity: 0;
}

.chat-panel.open {
  transform: scale(1);
  opacity: 1;
}

.chat-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 16px;
  background: var(--gradient-primary);
  color: white;
}

.chat-title {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
}

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

.chat-action-btn {
  background: transparent;
  border: none;
  color: white;
  cursor: pointer;
  border-radius: 50%;
  width: 30px;
  height: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background-color 0.2s;
}

.chat-action-btn:hover {
  background-color: rgba(255, 255, 255, 0.2);
}

.chat-content {
  flex: 1;
  padding: 16px;
  overflow-y: auto;
  background-color: var(--lighter-gray);
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.chat-message {
  display: flex;
  gap: 8px;
  max-width: 80%;
}

.chat-message.user {
  align-self: flex-end;
  flex-direction: row-reverse;
}

.message-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background-color: var(--primary-color);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 18px;
}

.chat-message.user .message-avatar {
  background-color: var(--gray-color);
}

.message-bubble {
  background-color: white;
  border-radius: 18px;
  padding: 12px 16px;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
}

.chat-message.user .message-bubble {
  background-color: var(--primary-color);
  color: white;
}

.message-text {
  font-size: 14px;
  line-height: 1.4;
}

.message-text p {
  margin: 0 0 8px 0;
}

.message-text p:last-child {
  margin-bottom: 0;
}

.message-text ul {
  margin: 0;
  padding-left: 20px;
}

.chat-input-area {
  display: flex;
  padding: 12px 16px;
  border-top: 1px solid var(--border-color);
  background-color: var(--card-bg-color);
}

.chat-input-area input {
  flex: 1;
  padding: 10px 12px;
  border: 1px solid var(--border-color);
  border-radius: 20px;
  font-size: 14px;
  background-color: var(--input-bg);
  color: var(--text-color);
}

.chat-input-area input:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 2px rgba(0, 102, 204, 0.1);
}

.chat-input-area button {
  background-color: var(--primary-color);
  color: white;
  border: none;
  border-radius: 50%;
  width: 36px;
  height: 36px;
  margin-left: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background-color 0.2s;
}

.chat-input-area button:hover {
  background-color: var(--secondary-color);
}

/* 聊天设置面板 */
.chat-settings-panel {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: var(--card-bg-color);
  padding: 20px;
  transform: translateX(100%);
  transition: transform 0.3s ease;
  overflow-y: auto;
}

.chat-settings-panel.open {
  transform: translateX(0);
}

.chat-settings-panel h3 {
  font-size: 18px;
  margin-bottom: 20px;
  color: var(--primary-color);
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 10px;
}

.settings-option {
  margin-bottom: 16px;
}

.settings-option label {
  display: block;
  margin-bottom: 6px;
  font-size: 14px;
  color: var(--dark-color);
}

.settings-option select {
  width: 100%;
  padding: 8px 12px;
  border-radius: 4px;
  border: 1px solid var(--border-color);
  background-color: var(--input-bg);
  color: var(--text-color);
}

.settings-option input[type="checkbox"] {
  margin-right: 8px;
}

.settings-buttons {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  margin-top: 20px;
}

.settings-buttons button {
  padding: 8px 16px;
  border-radius: 4px;
  font-size: 14px;
  cursor: pointer;
  font-weight: 500;
}

.settings-buttons .btn-outline {
  border: 1px solid var(--primary-color);
  background-color: transparent;
  color: var(--primary-color);
}

.settings-buttons .btn-primary {
  background-color: var(--primary-color);
  border: 1px solid var(--primary-color);
  color: white;
}

@media (max-width: 480px) {
  .chat-panel {
    width: 300px;
    height: 450px;
  }
}