/* 基础样式 */
:root {
  --primary: #165DFF;
  --primary-light: #4080FF;
  --primary-dark: #0E42D2;
  --secondary: #0FC6C2;
  --success: #00B42A;
  --warning: #FF7D00;
  --danger: #F53F3F;
  --dark: #1D2129;
  --dark-2: #4E5969;
  --light: #F2F3F5;
  --border: #C9CDD4;
  --bg-main: #F7F8FA;
  --bg-card: #FFFFFF;
  --text-primary: #1D2129;
  --text-secondary: #4E5969;
  --text-light: #86909C;
  --radius: 6px;
  --shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
  --transition: all 0.3s ease;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
}

body {
  background-color: var(--bg-main);
  color: var(--text-primary);
  font-size: 14px;
  line-height: 1.5;
}

a {
  text-decoration: none;
  color: inherit;
}

ul {
  list-style: none;
}

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

/* 侧边栏 */
.sidebar {
  width: 220px;
  background-color: var(--dark);
  color: var(--light);
  transition: var(--transition);
  box-shadow: 2px 0 5px rgba(0, 0, 0, 0.1);
  z-index: 10;
}

.sidebar.collapsed {
  width: 60px;
}

.logo-container {
  display: flex;
  align-items: center;
  padding: 18px 20px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.logo {
  width: 36px;
  height: 36px;
  background-color: var(--primary);
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
  color: white;
}

.logo-text {
  margin-left: 12px;
  font-size: 16px;
  font-weight: 500;
  transition: var(--transition);
}

.sidebar.collapsed .logo-text {
  display: none;
}

.nav-menu {
  margin-top: 20px;
}

.nav-item {
  margin-bottom: 4px;
}

.nav-link {
  display: flex;
  align-items: center;
  padding: 12px 20px;
  transition: var(--transition);
  color: var(--text-light);
}

.nav-link:hover {
  background-color: rgba(255, 255, 255, 0.05);
  color: var(--primary-light);
}

.nav-link.active {
  background-color: rgba(22, 93, 255, 0.15);
  color: var(--primary-light);
  border-left: 3px solid var(--primary);
}

.nav-link i {
  font-size: 18px;
  width: 20px;
}

.nav-link span {
  margin-left: 12px;
  transition: var(--transition);
}

.sidebar.collapsed .nav-link span {
  display: none;
}

/* 主内容区 */
.main-content {
  flex: 1;
  padding: 20px;
  transition: var(--transition);
}

.sidebar.collapsed ~ .main-content {
  margin-left: 0;
}

.header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 24px;
}

h1 {
  font-size: 22px;
  font-weight: 600;
}

/* 卡片组件 */
.card {
  background-color: var(--bg-card);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  margin-bottom: 24px;
  overflow: hidden;
}

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

.card-title {
  font-size: 16px;
  font-weight: 600;
}

.card-body {
  padding: 20px;
}

/* 按钮样式 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 8px 16px;
  background-color: transparent;
  border: 1px solid transparent;
  border-radius: var(--radius);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
}

.btn i {
  margin-right: 6px;
}

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

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

.btn-secondary {
  background-color: var(--light);
  color: var(--text-primary);
  border-color: var(--light);
}

.btn-secondary:hover {
  background-color: #e5e6eb;
}

.btn-accent {
  background-color: var(--secondary);
  color: white;
  border-color: var(--secondary);
}

.btn-accent:hover {
  background-color: #0bb5b1;
}

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

.btn-danger:hover {
  background-color: #e03636;
}

.btn-sm {
  padding: 4px 8px;
  font-size: 12px;
}

.w-100 {
  width: 100%;
}

/* 表单样式 */
.form-control {
  width: 100%;
  padding: 8px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background-color: white;
  font-size: 14px;
  transition: var(--transition);
}

.form-control:focus {
  outline: none;
  border-color: var(--primary-light);
  box-shadow: 0 0 0 2px rgba(22, 93, 255, 0.1);
}

.form-group {
  margin-bottom: 16px;
}

.form-label {
  display: block;
  margin-bottom: 6px;
  font-weight: 500;
}

/* 表格样式 */
.table {
  width: 100%;
  border-collapse: collapse;
}

.table th,
.table td {
  padding: 12px 15px;
  text-align: left;
  border-bottom: 1px solid var(--border);
}

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

.table tbody tr:hover {
  background-color: rgba(22, 93, 255, 0.03);
}

/* 分页样式 */
.pagination {
  display: flex;
  justify-content: center;
  margin-top: 20px;
}

.pagination li {
  margin: 0 4px;
}

.pagination a {
  display: inline-block;
  width: 32px;
  height: 32px;
  line-height: 32px;
  text-align: center;
  border-radius: var(--radius);
  transition: var(--transition);
}

.pagination a:hover {
  background-color: var(--light);
}

.pagination a.active {
  background-color: var(--primary);
  color: white;
}

/* 徽章样式 */
.badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 12px;
  font-size: 12px;
  font-weight: 500;
}

.badge-success {
  background-color: rgba(0, 180, 42, 0.1);
  color: var(--success);
}

.badge-warning {
  background-color: rgba(255, 125, 0, 0.1);
  color: var(--warning);
}

.badge-danger {
  background-color: rgba(245, 63, 63, 0.1);
  color: var(--danger);
}

.badge-info {
  background-color: rgba(22, 93, 255, 0.1);
  color: var(--primary);
}

/* 模态框样式 */
.modal-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
}

.modal-backdrop.show {
  opacity: 1;
  visibility: visible;
}

.modal {
  width: 100%;
  max-width: 500px;
  background-color: var(--bg-card);
  border-radius: var(--radius);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
  transform: translateY(-20px);
  transition: var(--transition);
}

.modal-backdrop.show .modal {
  transform: translateY(0);
}

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

.modal-title {
  font-size: 18px;
  font-weight: 600;
}

.modal-close {
  background: none;
  border: none;
  font-size: 20px;
  cursor: pointer;
  color: var(--text-light);
  transition: var(--transition);
}

.modal-close:hover {
  color: var(--danger);
}

.modal-body {
  padding: 20px;
  max-height: 70vh;
  overflow-y: auto;
}

.modal-footer {
  padding: 16px 20px;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: flex-end;
  gap: 10px;
}

/* 仪表盘样式 */
.dashboard-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 20px;
  margin-bottom: 24px;
}

.stat-card {
  background-color: var(--bg-card);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 20px;
  transition: var(--transition);
}

.stat-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 16px rgba(0, 0, 0, 0.1);
}

.stat-title {
  color: var(--text-secondary);
  font-size: 14px;
  margin-bottom: 8px;
}

.stat-value {
  font-size: 28px;
  font-weight: 600;
  margin-bottom: 8px;
}

.stat-trend {
  display: flex;
  align-items: center;
  font-size: 13px;
}

.trend-up {
  color: var(--success);
}

.trend-down {
  color: var(--danger);
}

.chart-container {
  height: 300px;
  margin-bottom: 24px;
}

/* 响应式设计 */
@media (max-width: 768px) {
  .sidebar {
    position: fixed;
    height: 100%;
    transform: translateX(-100%);
  }
  
  .sidebar.show {
    transform: translateX(0);
  }
  
  .main-content {
    padding: 15px;
  }
  
  .header {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
  }
  
  .dashboard-stats {
    grid-template-columns: 1fr;
  }
  
  .log-filters {
    flex-direction: column;
    align-items: stretch;
  }
  
  .filter-group {
    width: 100%;
  }
}