/* =====================================================
   百信管理后台 - 公共视觉规范
   适用：admin / region 两套后台
   原则：只改样式，不动功能
   ===================================================== */

/* -----------------------------------------------------
   1. 设计令牌（Design Tokens）
   ----------------------------------------------------- */
:root {
    /* 品牌色 */
    --bx-primary: #2563eb;
    --bx-primary-dark: #1d4ed8;
    --bx-primary-light: #dbeafe;
    --bx-success: #10b981;
    --bx-success-light: #d1fae5;
    --bx-warning: #f59e0b;
    --bx-warning-light: #fef3c7;
    --bx-danger: #ef4444;
    --bx-danger-light: #fee2e2;
    --bx-info: #06b6d4;
    --bx-info-light: #cffafe;
    --bx-secondary: #6b7280;
    --bx-secondary-light: #f3f4f6;

    /* 中性色 */
    --bx-bg: #f3f4f6;
    --bx-card-bg: #ffffff;
    --bx-text: #1f2937;
    --bx-text-muted: #6b7280;
    --bx-border: #e5e7eb;
    --bx-border-light: #f3f4f6;

    /* 侧边栏 */
    --sidebar-width: 260px;
    --sidebar-bg: #1e293b;
    --sidebar-text: rgba(255, 255, 255, 0.8);
    --sidebar-text-hover: #ffffff;
    --sidebar-active: #2563eb;
    --sidebar-active-border: #ffffff;
    --sidebar-header-bg: rgba(0, 0, 0, 0.12);

    /* 圆角与阴影 */
    --bx-radius-sm: 8px;
    --bx-radius: 12px;
    --bx-radius-lg: 16px;
    --bx-card-shadow: 0 1px 3px rgba(0, 0, 0, 0.08), 0 4px 12px rgba(0, 0, 0, 0.05);
    --bx-card-shadow-hover: 0 8px 20px rgba(0, 0, 0, 0.12);
    --bx-transition: all 0.2s ease;
}

/* -----------------------------------------------------
   2. 全局基础
   ----------------------------------------------------- */
body {
    background-color: var(--bx-bg);
    color: var(--bx-text);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", "Microsoft YaHei", sans-serif;
    font-size: 0.875rem;
    line-height: 1.6;
}

a {
    color: var(--bx-primary);
    text-decoration: none;
}

a:hover {
    color: var(--bx-primary-dark);
}

/* -----------------------------------------------------
   3. 卡片（Card）
   ----------------------------------------------------- */
.bx-card {
    background: var(--bx-card-bg);
    border: none;
    border-radius: var(--bx-radius);
    box-shadow: var(--bx-card-shadow);
    transition: var(--bx-transition);
    margin-bottom: 1.5rem;
    overflow: hidden;
}

.bx-card:hover {
    box-shadow: var(--bx-card-shadow-hover);
}

.bx-card .card-header {
    background: #fff;
    border-bottom: 1px solid var(--bx-border-light);
    padding: 1rem 1.25rem;
    font-weight: 600;
    color: var(--bx-text);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.bx-card .card-header i {
    margin-right: 0.5rem;
    color: var(--bx-primary);
}

.bx-card .card-body {
    padding: 1.25rem;
}

/* -----------------------------------------------------
   4. 统计卡片
   ----------------------------------------------------- */
.bx-stat-card {
    padding: 1.5rem;
    border-radius: var(--bx-radius);
    color: #fff;
    position: relative;
    overflow: hidden;
    box-shadow: var(--bx-card-shadow);
    transition: var(--bx-transition);
    height: 100%;
}

.bx-stat-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--bx-card-shadow-hover);
}

.bx-stat-card::after {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 180px;
    height: 180px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
}

.bx-stat-card.primary { background: linear-gradient(135deg, #667eea 0%, #764ba2 100%); }
.bx-stat-card.success { background: linear-gradient(135deg, #11998e 0%, #38ef7d 100%); }
.bx-stat-card.info { background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%); }
.bx-stat-card.warning { background: linear-gradient(135deg, #fa709a 0%, #fee140 100%); }
.bx-stat-card.danger { background: linear-gradient(135deg, #f43f5e 0%, #fb923c 100%); }

.bx-stat-card .stat-icon {
    font-size: 2.5rem;
    opacity: 0.35;
    position: absolute;
    right: 1.25rem;
    top: 1.25rem;
    z-index: 1;
}

.bx-stat-card .stat-value {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
    position: relative;
    z-index: 2;
}

.bx-stat-card .stat-label {
    font-size: 0.875rem;
    opacity: 0.9;
    position: relative;
    z-index: 2;
}

.bx-stat-card .stat-extra {
    font-size: 0.75rem;
    opacity: 0.8;
    margin-top: 0.5rem;
    position: relative;
    z-index: 2;
}

/* -----------------------------------------------------
   5. 表格
   ----------------------------------------------------- */
.bx-table {
    width: 100%;
    margin-bottom: 0;
}

.bx-table thead th {
    background: #f9fafb;
    color: #374151;
    font-weight: 600;
    font-size: 0.8125rem;
    text-transform: uppercase;
    letter-spacing: 0.025em;
    border-top: none;
    border-bottom: 1px solid var(--bx-border);
    padding: 0.875rem 1rem;
    white-space: nowrap;
}

.bx-table tbody td {
    padding: 0.875rem 1rem;
    vertical-align: middle;
    border-bottom: 1px solid var(--bx-border-light);
    color: var(--bx-text);
}

.bx-table tbody tr:last-child td {
    border-bottom: none;
}

.bx-table tbody tr:hover {
    background: #f9fafb;
}

/* -----------------------------------------------------
   6. 状态徽章
   ----------------------------------------------------- */
.bx-badge {
    display: inline-flex;
    align-items: center;
    padding: 0.35em 0.65em;
    font-size: 0.75rem;
    font-weight: 600;
    line-height: 1;
    border-radius: 9999px;
}

.bx-badge-success { background: var(--bx-success-light); color: #065f46; }
.bx-badge-warning { background: var(--bx-warning-light); color: #92400e; }
.bx-badge-danger { background: var(--bx-danger-light); color: #991b1b; }
.bx-badge-info { background: var(--bx-info-light); color: #155e75; }
.bx-badge-secondary { background: var(--bx-secondary-light); color: #4b5563; }
.bx-badge-primary { background: var(--bx-primary-light); color: #1e40af; }

/* -----------------------------------------------------
   7. 按钮与操作组
   ----------------------------------------------------- */
.bx-btn-icon {
    width: 32px;
    height: 32px;
    padding: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--bx-radius-sm);
}

.bx-actions .btn {
    margin-right: 0.25rem;
}

.bx-actions .btn:last-child {
    margin-right: 0;
}

/* -----------------------------------------------------
   8. 分页
   ----------------------------------------------------- */
.bx-pagination {
    display: flex;
    justify-content: center;
    margin-top: 1.5rem;
}

.bx-pagination .page-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 36px;
    height: 36px;
    padding: 0 0.75rem;
    font-size: 0.875rem;
    border-radius: var(--bx-radius-sm);
    margin: 0 0.125rem;
    color: var(--bx-text);
    border: 1px solid var(--bx-border);
    background: #fff;
}

.bx-pagination .page-item.active .page-link {
    background: var(--bx-primary);
    border-color: var(--bx-primary);
    color: #fff;
}

.bx-pagination .page-link:hover {
    background: #f3f4f6;
    border-color: var(--bx-border);
    color: var(--bx-primary);
}

/* -----------------------------------------------------
   9. 表单与筛选区
   ----------------------------------------------------- */
.bx-filter-bar {
    background: #fff;
    border-radius: var(--bx-radius);
    box-shadow: var(--bx-card-shadow);
    padding: 1rem 1.25rem;
    margin-bottom: 1.5rem;
}

.bx-filter-bar .form-control,
.bx-filter-bar .form-select {
    border-radius: var(--bx-radius-sm);
    border-color: var(--bx-border);
    font-size: 0.875rem;
}

.bx-filter-bar .form-control:focus,
.bx-filter-bar .form-select:focus {
    border-color: var(--bx-primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.bx-form-label {
    font-weight: 500;
    color: var(--bx-text);
    font-size: 0.875rem;
    margin-bottom: 0.5rem;
}

/* -----------------------------------------------------
   10. 空状态
   ----------------------------------------------------- */
.bx-empty-state {
    text-align: center;
    padding: 3rem 1rem;
    color: var(--bx-text-muted);
}

.bx-empty-state i {
    font-size: 3rem;
    opacity: 0.4;
    margin-bottom: 0.75rem;
}

/* -----------------------------------------------------
   11. 信息展示（详情页）
   ----------------------------------------------------- */
.bx-info-item {
    margin-bottom: 1.25rem;
}

.bx-info-item .bx-info-label {
    font-size: 0.75rem;
    color: var(--bx-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.25rem;
}

.bx-info-item .bx-info-value {
    font-size: 0.9375rem;
    color: var(--bx-text);
    font-weight: 500;
}

.bx-info-card {
    background: #fff;
    border-radius: var(--bx-radius);
    box-shadow: var(--bx-card-shadow);
    padding: 1.5rem;
    height: 100%;
}

.bx-avatar-lg {
    width: 96px;
    height: 96px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid #fff;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.bx-avatar-sm {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid #fff;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

/* -----------------------------------------------------
   12. Tab 导航
   ----------------------------------------------------- */
.bx-nav-tabs {
    border-bottom: 1px solid var(--bx-border);
    margin-bottom: 1.5rem;
}

.bx-nav-tabs .nav-link {
    color: var(--bx-text-muted);
    font-weight: 500;
    border: none;
    border-bottom: 2px solid transparent;
    padding: 0.75rem 1rem;
    margin-right: 0.5rem;
}

.bx-nav-tabs .nav-link:hover {
    color: var(--bx-primary);
    border-color: transparent;
}

.bx-nav-tabs .nav-link.active {
    color: var(--bx-primary);
    background: transparent;
    border-bottom-color: var(--bx-primary);
}

/* -----------------------------------------------------
   13. 侧边栏通用（深色）
   ----------------------------------------------------- */
.bx-sidebar {
    position: fixed;
    top: 0;
    left: 0;
    z-index: 100;
    width: var(--sidebar-width);
    height: 100vh;
    background: var(--sidebar-bg);
    color: #fff;
    overflow-y: auto;
    overflow-x: hidden;
}

.bx-sidebar-header {
    padding: 1.25rem;
    background: var(--sidebar-header-bg);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.bx-sidebar-brand {
    color: #fff;
    text-decoration: none;
    font-size: 1.125rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.bx-sidebar-brand:hover {
    color: #fff;
}

.bx-sidebar .nav-link {
    color: var(--sidebar-text);
    padding: 0.75rem 1.25rem;
    border-left: 3px solid transparent;
    transition: var(--bx-transition);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-weight: 500;
}

.bx-sidebar .nav-link i {
    width: 20px;
    text-align: center;
    font-size: 1rem;
}

.bx-sidebar .nav-link:hover {
    color: var(--sidebar-text-hover);
    background: rgba(255, 255, 255, 0.05);
}

.bx-sidebar .nav-link.active {
    color: #fff;
    background: var(--bx-primary);
    border-left-color: #fff;
}

.bx-sidebar .nav-section {
    font-size: 0.6875rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: rgba(255, 255, 255, 0.4);
    padding: 1rem 1.25rem 0.5rem;
    margin-top: 0.5rem;
}

.bx-sidebar::-webkit-scrollbar {
    width: 5px;
}

.bx-sidebar::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.15);
    border-radius: 3px;
}

/* -----------------------------------------------------
   14. 顶部导航
   ----------------------------------------------------- */
.bx-topbar {
    height: 60px;
    background: #fff;
    border-bottom: 1px solid var(--bx-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 1.5rem;
    position: sticky;
    top: 0;
    z-index: 99;
}

.bx-topbar .page-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--bx-text);
}

.bx-topbar .user-menu {
    display: flex;
    align-items: center;
    gap: 1rem;
}

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

.bx-content {
    padding: 1.5rem;
}

.bx-page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1.5rem;
}

.bx-page-header h1 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--bx-text);
    margin: 0;
}

.bx-page-header .breadcrumb {
    margin: 0;
    font-size: 0.8125rem;
    background: transparent;
    padding: 0;
}

/* -----------------------------------------------------
   16. 登录页
   ----------------------------------------------------- */
.bx-login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #1e3a8a 0%, #3b82f6 100%);
    padding: 1rem;
}

.bx-login-card {
    width: 100%;
    max-width: 420px;
    background: rgba(255, 255, 255, 0.98);
    border-radius: var(--bx-radius-lg);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.25);
    padding: 2.5rem;
}

.bx-login-card .login-logo {
    text-align: center;
    margin-bottom: 1.5rem;
}

.bx-login-card .login-logo i {
    font-size: 3rem;
    color: var(--bx-primary);
}

.bx-login-card h1 {
    text-align: center;
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    color: var(--bx-text);
}

.bx-login-card .form-control {
    border-radius: var(--bx-radius-sm);
    border-color: var(--bx-border);
    padding: 0.75rem 1rem;
    font-size: 0.9375rem;
}

.bx-login-card .form-control:focus {
    border-color: var(--bx-primary);
    box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.15);
}

.bx-login-card .btn-login {
    width: 100%;
    padding: 0.75rem;
    font-size: 1rem;
    font-weight: 600;
    border-radius: var(--bx-radius-sm);
    background: var(--bx-primary);
    border-color: var(--bx-primary);
    margin-top: 0.5rem;
}

.bx-login-card .btn-login:hover {
    background: var(--bx-primary-dark);
    border-color: var(--bx-primary-dark);
}

/* -----------------------------------------------------
   17. 响应式
   ----------------------------------------------------- */
@media (max-width: 767.98px) {
    .bx-sidebar {
        transform: translateX(-100%);
        transition: transform 0.3s ease;
    }

    .bx-sidebar.show {
        transform: translateX(0);
    }

    .bx-main {
        margin-left: 0;
    }

    .bx-stat-card .stat-value {
        font-size: 1.5rem;
    }
}

/* -----------------------------------------------------
   18. 工具类
   ----------------------------------------------------- */
.bx-shadow { box-shadow: var(--bx-card-shadow); }
.bx-radius { border-radius: var(--bx-radius); }
.bx-text-muted { color: var(--bx-text-muted) !important; }
.bx-bg-white { background: #fff; }