/* 全局样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #1890ff;
    --primary-hover: #40a9ff;
    --success-color: #52c41a;
    --warning-color: #faad14;
    --danger-color: #ff4d4f;
    --text-color: #333;
    --text-secondary: #666;
    --border-color: #e8e8e8;
    --bg-color: #f5f5f5;
    --sidebar-width: 220px;
    --header-height: 60px;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    font-size: 14px;
    color: var(--text-color);
    background: var(--bg-color);
}

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

/* 侧边栏 */
.sidebar {
    width: var(--sidebar-width);
    background: linear-gradient(180deg, #001529 0%, #002140 100%);
    position: fixed;
    top: 0;
    left: 0;
    height: 100vh;
    overflow-y: auto;
}

.logo {
    padding: 20px;
    text-align: center;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.logo h1 {
    color: #fff;
    font-size: 18px;
    font-weight: 600;
}

.nav-menu {
    padding: 10px 0;
}

.nav-item {
    display: flex;
    align-items: center;
    padding: 12px 20px;
    color: rgba(255,255,255,0.65);
    text-decoration: none;
    transition: all 0.3s;
}

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

.nav-item.active {
    color: #fff;
    background: var(--primary-color);
}

.nav-item .icon {
    margin-right: 10px;
    font-size: 16px;
}

/* 主内容区 */
.main-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    min-height: 100vh;
}

.topbar {
    height: var(--header-height);
    background: #fff;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    box-shadow: 0 1px 4px rgba(0,0,0,0.08);
    position: sticky;
    top: 0;
    z-index: 100;
}

.breadcrumb {
    font-size: 16px;
    font-weight: 500;
}

.user-info {
    font-size: 13px;
    color: var(--text-secondary);
}

.user-info .divider {
    margin: 0 10px;
    color: var(--border-color);
}

.content {
    padding: 24px;
}

/* 统计卡片 */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 24px;
}

.stat-card {
    background: #fff;
    border-radius: 8px;
    padding: 20px;
    display: flex;
    align-items: center;
    box-shadow: 0 1px 2px rgba(0,0,0,0.05);
}

.stat-icon {
    width: 50px;
    height: 50px;
    border-radius: 8px;
    background: var(--bg-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    margin-right: 16px;
}

.stat-value {
    font-size: 24px;
    font-weight: 600;
    color: var(--text-color);
}

.stat-label {
    font-size: 13px;
    color: var(--text-secondary);
    margin-top: 4px;
}

/* 页面头部 */
.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.page-header h2 {
    font-size: 18px;
    font-weight: 600;
}

/* 按钮 */
.btn {
    padding: 8px 16px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 14px;
    transition: all 0.3s;
}

.btn-primary {
    background: var(--primary-color);
    color: #fff;
}

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

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

.btn-secondary:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

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

.btn-danger:hover {
    background: #ff7875;
}

.btn-success {
    background: var(--success-color);
    color: #fff;
}

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

/* 表格 */
.table-container {
    background: #fff;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 1px 2px rgba(0,0,0,0.05);
}

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

.data-table th,
.data-table td {
    padding: 12px 16px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.data-table th {
    background: var(--bg-color);
    font-weight: 600;
    color: var(--text-secondary);
    font-size: 13px;
}

.data-table tr:hover {
    background: #fafafa;
}

.data-table .loading {
    text-align: center;
    color: var(--text-secondary);
    padding: 40px;
}

/* 状态标签 */
.status-tag {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 12px;
}

.status-active {
    background: #f6ffed;
    color: var(--success-color);
    border: 1px solid #b7eb8f;
}

.status-inactive {
    background: #fff1f0;
    color: var(--danger-color);
    border: 1px solid #ffa39e;
}

.status-completed {
    background: #e6f7ff;
    color: var(--primary-color);
    border: 1px solid #91d5ff;
}

.status-pending {
    background: #fffbe6;
    color: var(--warning-color);
    border: 1px solid #ffe58f;
}

.status-failed {
    background: #fff1f0;
    color: var(--danger-color);
    border: 1px solid #ffa39e;
}

/* 筛选 */
.filters {
    margin-bottom: 16px;
    display: flex;
    gap: 12px;
}

.filters select,
.filters input {
    padding: 8px 12px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 14px;
}

/* 标签页 */
.tabs {
    display: flex;
    border-bottom: 2px solid var(--border-color);
    margin-bottom: 20px;
}

.tab {
    padding: 12px 20px;
    background: none;
    border: none;
    cursor: pointer;
    font-size: 14px;
    color: var(--text-secondary);
    position: relative;
}

.tab.active {
    color: var(--primary-color);
    font-weight: 600;
}

.tab.active::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--primary-color);
}

.tab-content {
    display: block;
}

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--text-color);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 14px;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(24,144,255,0.2);
}

.settings-form {
    background: #fff;
    padding: 24px;
    border-radius: 8px;
    max-width: 600px;
}

/* 模态框 */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.5);
    z-index: 1000;
    align-items: center;
    justify-content: center;
}

.modal.show {
    display: flex;
}

.modal-content {
    background: #fff;
    border-radius: 8px;
    width: 90%;
    max-width: 500px;
    max-height: 90vh;
    overflow: auto;
}

.modal-header {
    padding: 16px 24px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h3 {
    font-size: 16px;
    font-weight: 600;
}

.modal-close {
    background: none;
    border: none;
    font-size: 24px;
    cursor: pointer;
    color: var(--text-secondary);
}

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

.modal-body {
    padding: 24px;
}

.modal-footer {
    padding: 16px 24px;
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: flex-end;
    gap: 12px;
}

/* 操作按钮 */
.action-btns {
    display: flex;
    gap: 8px;
}

/* 响应式 */
@media (max-width: 768px) {
    .sidebar {
        width: 60px;
    }
    
    .logo h1,
    .nav-item span:not(.icon) {
        display: none;
    }
    
    .nav-item {
        justify-content: center;
        padding: 12px;
    }
    
    .nav-item .icon {
        margin-right: 0;
    }
    
    .main-content {
        margin-left: 60px;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}