/* ========== Ant Design 风格公共样式 ========== */

/* ---------- 基础重置 ---------- */
* { margin: 0; padding: 0; box-sizing: border-box; }
body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    font-size: 14px;
    color: #333;
    background: #f0f2f5;
}
a { text-decoration: none; color: inherit; }
ul { list-style: none; }

/* ---------- 颜色变量 ---------- */
:root {
    --primary-color: #1890ff;
    --primary-hover: #40a9ff;
    --danger-color: #ff4d4f;
    --color-primary: #1890ff;
    --color-primary-dark: #096dd9;
    --color-primary-light: #e6f7ff;
    --color-primary-lighter: #bae7ff;
    --color-danger: #ff4d4f;
    --color-danger-dark: #cf1322;
    --color-danger-light: #fff2f0;
    --color-danger-lighter: #ffa39e;
    --color-success: #52c41a;
    --color-success-light: #f6ffed;
    --color-success-lighter: #b7eb8f;
    --color-warning: #faad14;
    --color-warning-dark: #d48806;
    --color-warning-light: #fffbe6;
    --color-warning-lighter: #ffe58f;
    --text-color: #333;
    --text-primary: #333;
    --text-regular: #606266;
    --text-secondary: #666;
    --text-muted: #999;
    --border-color: #f0f0f0;
    --border-input: #d9d9d9;
    --border-light: #e8e8e8;
    --border-lighter: #f0f0f0;
    --bg-light: #fafafa;
    --bg-hover: #f5f5f5;
    --bg-card: #fff;
    --shadow: 0 1px 2px rgba(0,0,0,0.06);
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.06);
    --shadow-lg: 0 2px 8px rgba(0,0,0,0.15);
    --radius: 4px;
    --radius-sm: 4px;
    --radius-md: 6px;
    --radius-lg: 8px;
    --radius-xl: 12px;
    --radius-2xl: 16px;
    --radius-circle: 50%;
    --font-xs: 12px;
    --font-sm: 12px;
    --font-base: 14px;
    --font-md: 14px;
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --space-3: 12px;
    --space-4: 16px;
    --space-5: 20px;
    --space-6: 24px;
    --space-9: 36px;
}

/* ---------- 布局 ---------- */
.layout { min-height: 100vh; }

/* ---------- 顶部导航 ---------- */
.header {
    height: 64px;
    background: #001529;
    display: flex;
    align-items: center;
    padding: 0 24px;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
}
.logo {
    color: #fff;
    font-size: 18px;
    font-weight: 600;
    margin-right: 48px;
    white-space: nowrap;
}
.logo a { color: inherit; }
.nav-menu {
    display: flex;
    flex: 1;
    height: 100%;
}
.nav-item {
    height: 100%;
    display: flex;
    align-items: center;
    padding: 0 20px;
    color: rgba(255,255,255,0.65);
    font-size: 15px;
    cursor: pointer;
    transition: all 0.2s;
    position: relative;
}
.nav-item:hover { color: #fff; }
.nav-item.active {
    color: #fff;
    background: rgba(255,255,255,0.1);
}
.nav-item.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--primary-color);
}
.header-right {
    margin-left: auto;
    display: flex;
    align-items: center;
}

/* ---------- 用户区域 ---------- */
.user-area {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 0 16px;
    height: 64px;
    cursor: pointer;
    position: relative;
}
.user-area:hover { background: rgba(255,255,255,0.1); }
.user-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: #ff6b35;
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    font-weight: 600;
}
.user-name { color: #fff; font-size: 14px; }
.user-arrow { color: rgba(255,255,255,0.5); font-size: 12px; }
.user-dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    background: #fff;
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    min-width: 160px;
    padding: 4px 0;
    display: none;
    z-index: 200;
}
.user-area:hover .user-dropdown { display: block; }
.dropdown-item {
    display: block;
    padding: 8px 16px;
    color: var(--text-color);
    font-size: 14px;
    cursor: pointer;
    transition: background 0.2s;
}
.dropdown-item:hover { background: var(--bg-hover); }
.dropdown-item.danger { color: var(--danger-color); }
.dropdown-divider { height: 1px; background: var(--border-color); margin: 4px 0; }

/* ---------- 主体布局 ---------- */
.main-layout {
    display: flex;
    padding-top: 64px;
    min-height: 100vh;
}

/* ---------- 侧边栏 ---------- */
.sider {
    width: 220px;
    background: #fff;
    border-right: 1px solid var(--border-color);
    position: fixed;
    top: 64px;
    bottom: 0;
    left: 0;
    overflow-y: auto;
    z-index: 50;
}
.sider-menu { padding: 8px 0; }
.menu-group-title {
    padding: 12px 16px 8px;
    font-size: 13px;
    color: var(--text-muted);
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: default;
}
.menu-item {
    display: flex;
    align-items: center;
    padding: 10px 16px 10px 24px;
    color: var(--text-color);
    font-size: 14px;
    cursor: pointer;
    transition: all 0.2s;
}
.menu-item:hover { background: var(--bg-hover); }
.menu-item.active {
    color: var(--primary-color);
    background: #e6f7ff;
    border-right: 3px solid var(--primary-color);
}
.menu-item-icon { margin-right: 10px; font-size: 16px; }
.sub-menu {
    border-left: 2px solid #f0f0f0;
    margin-left: 16px;
}
.sub-menu > .menu-item { padding-left: 32px; }

/* ---------- 内容区 ---------- */
.content {
    flex: 1;
    margin-left: 220px;
    padding: 24px;
    min-height: calc(100vh - 64px);
}

/* ---------- 面包屑 ---------- */
.breadcrumb {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 16px;
    font-size: 14px;
    color: var(--text-secondary);
}
.breadcrumb a { color: var(--primary-color); }
.breadcrumb a:hover { color: var(--primary-hover); }
.breadcrumb-sep { color: var(--text-muted); }

/* 返回按钮（可选，用于需要返回上一页的页面） */
.back-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 4px 8px;
    background: #e8e8e8;
    border-radius: 4px;
    color: #666;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.2s;
    text-decoration: none;
    margin-right: 8px;
}
.back-btn:hover {
    background: #d9d9d9;
    color: #333;
}

/* ---------- 卡片 ---------- */
.card {
    background: #fff;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    margin-bottom: 16px;
}
.card-header {
    padding: 16px 24px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 16px;
}
.card-body { padding: 0; }

/* ---------- 标签页 ---------- */
.tabs {
    display: flex;
    gap: 0;
    border-bottom: none;
}
.tab-item {
    padding: 8px 16px;
    color: var(--text-secondary);
    font-size: 14px;
    cursor: pointer;
    border-bottom: 2px solid transparent;
    transition: all 0.2s;
}
.tab-item:hover { color: var(--primary-color); }
.tab-item.active {
    color: var(--primary-color);
    font-weight: 500;
    border-bottom-color: var(--primary-color);
}

/* ---------- 搜索栏 ---------- */
.search-bar {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}
.search-input {
    width: 300px;
    height: 32px;
    padding: 0 12px;
    border: 1px solid var(--border-input);
    border-radius: var(--radius);
    font-size: 14px;
    outline: none;
    transition: border-color 0.2s;
}
.search-input:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(24,144,255,0.2);
}
.search-input::placeholder { color: #bfbfbf; }

/* ---------- 下拉选择 ---------- */
.select {
    height: 32px;
    padding: 0 12px;
    border: 1px solid var(--border-input);
    border-radius: var(--radius);
    font-size: 14px;
    background: #fff;
    cursor: pointer;
    outline: none;
}
.select:focus { border-color: var(--primary-color); }

/* ---------- 按钮 ---------- */
.btn {
    height: 32px;
    padding: 0 16px;
    border: 1px solid var(--border-input);
    border-radius: var(--radius);
    font-size: 14px;
    background: #fff;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: all 0.2s;
}
.btn:hover {
    color: var(--primary-color);
    border-color: var(--primary-color);
}
.btn-primary {
    color: #fff;
    background: var(--primary-color);
    border-color: var(--primary-color);
}
.btn-primary:hover {
    background: var(--primary-hover);
    border-color: var(--primary-hover);
}
.btn-danger {
    color: var(--danger-color);
    border-color: var(--danger-color);
}
.btn-danger:hover {
    color: #fff;
    background: var(--danger-color);
}

/* ---------- 表格 ---------- */
.table-wrapper { overflow-x: auto; }
table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
}
thead th {
    background: var(--bg-light);
    padding: 12px 16px;
    text-align: left;
    font-weight: 600;
    color: var(--text-color);
    border-bottom: 1px solid var(--border-color);
    white-space: nowrap;
}
tbody td {
    padding: 12px 16px;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-color);
}
tbody tr:hover { background: var(--bg-hover); }
tbody tr:nth-child(even) { background: #fafafa; }
tbody tr:nth-child(even):hover { background: #f0f0f0; }
.col-index { text-align: center; width: 60px; }
.col-link {
    color: var(--primary-color);
    cursor: pointer;
}
.col-link:hover { color: var(--primary-hover); }

/* ---------- 分页 ---------- */
.pagination {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 24px;
    border-top: 1px solid var(--border-color);
}
.page-info { color: var(--text-secondary); font-size: 14px; }
.page-list { display: flex; gap: 4px; }
.page-btn {
    min-width: 32px;
    height: 32px;
    padding: 0 8px;
    border: 1px solid var(--border-input);
    border-radius: var(--radius);
    background: #fff;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    transition: all 0.2s;
}
.page-btn:hover {
    color: var(--primary-color);
    border-color: var(--primary-color);
}
.page-btn.active {
    color: #fff;
    background: var(--primary-color);
    border-color: var(--primary-color);
}
.page-btn:disabled {
    color: #d9d9d9;
    cursor: not-allowed;
    border-color: #d9d9d9;
}
.page-size {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-secondary);
    font-size: 14px;
}

/* ---------- 响应式 ---------- */
@media (max-width: 768px) {
    .sider { display: none; }
    .content { margin-left: 0; }
    .search-bar { flex-direction: column; align-items: stretch; }
    .search-input { width: 100%; }
    .card-header { flex-direction: column; align-items: stretch; }
}