@charset "UTF-8";

/**
 * 后台管理系统 - 全局样式
 * Global Styles for Admin Dashboard
 * 
 * 设计理念：
 * - 简洁现代，科技感
 * - 符合尼日利亚使用习惯（左到右，大按钮）
 * - 粉色调（品牌色 #E94F86）
 */

/* ==================== CSS Variables ==================== */
:root {
    /* Brand Colors */
    --brand-pink: #E94F86;
    --brand-gradient-start: #A18CD1;
    --brand-gradient-end: #FBC2EB;
    
    /* Neutral Colors */
    --white: #FFFFFF;
    --gray-50: #F9FAFB;
    --gray-100: #F3F4F6;
    --gray-200: #E5E7EB;
    --gray-300: #D1D5DB;
    --gray-400: #9CA3AF;
    --gray-500: #6B7280;
    --gray-600: #4B5563;
    --gray-700: #374151;
    --gray-800: #1F2937;
    --gray-900: #111827;
    
    /* Status Colors */
    --success: #07C160;
    --warning: #FF9500;
    --error: #FF3B30;
    --info: #007AFF;
    
    /* Spacing */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    --spacing-2xl: 48px;
    
    /* Border Radius */
    --radius-sm: 6px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-full: 9999px;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
    --shadow-md: 0 4px 6px rgba(0,0,0,0.07);
    --shadow-lg: 0 10px 15px rgba(0,0,0,0.1);
    --shadow-xl: 0 20px 25px rgba(0,0,0,0.15);
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-normal: 250ms ease;
    --transition-slow: 350ms ease;
}

/* ==================== Reset & Base ==================== */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background-color: var(--gray-50);
    color: var(--gray-800);
    line-height: 1.5;
    min-height: 100vh;
}

a {
    color: var(--brand-pink);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: #D63D6F;
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    outline: none;
}

input, select, textarea {
    font-family: inherit;
    font-size: inherit;
    outline: none;
}

/* ==================== Layout ==================== */
.admin-layout {
    display: flex;
    min-height: 100vh;
}

/* Sidebar */
.admin-sidebar {
    width: 260px;
    background: linear-gradient(180deg, var(--gray-900) 0%, var(--gray-800) 100%);
    color: var(--white);
    display: flex;
    flex-direction: column;
    position: fixed;
    height: 100vh;
    z-index: 100;
}

.sidebar-header {
    padding: var(--spacing-lg);
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.sidebar-logo {
    font-size: 20px;
    font-weight: 700;
    letter-spacing: 1px;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.sidebar-logo .icon {
    width: 36px;
    height: 36px;
    background: linear-gradient(135deg, var(--brand-pink) 0%, var(--brand-gradient-end) 100%);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
}

.sidebar-nav {
    flex: 1;
    padding: var(--spacing-md) 0;
    overflow-y: auto;
}

.nav-section {
    margin-bottom: var(--spacing-lg);
}

.nav-section-title {
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--gray-500);
    padding: var(--spacing-sm) var(--spacing-lg);
    margin-bottom: var(--spacing-xs);
}

.nav-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md) var(--spacing-lg);
    color: var(--gray-300);
    transition: all var(--transition-fast);
    border-left: 3px solid transparent;
}

.nav-item:hover {
    background: rgba(255,255,255,0.05);
    color: var(--white);
}

.nav-item.active {
    background: rgba(233, 79, 134, 0.15);
    color: var(--brand-pink);
    border-left-color: var(--brand-pink);
}

.nav-item .icon {
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
}

.sidebar-footer {
    padding: var(--spacing-md) var(--spacing-lg);
    border-top: 1px solid rgba(255,255,255,0.1);
}

.admin-user {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.admin-avatar {
    width: 40px;
    height: 40px;
    background: var(--gray-700);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 14px;
}

.admin-info {
    flex: 1;
    min-width: 0;
}

.admin-name {
    font-weight: 600;
    font-size: 14px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.admin-role {
    font-size: 12px;
    color: var(--gray-500);
}

/* Main Content */
.admin-main {
    flex: 1;
    margin-left: 260px;
    display: flex;
    flex-direction: column;
}

/* Header */
.admin-header {
    background: var(--white);
    border-bottom: 1px solid var(--gray-200);
    padding: var(--spacing-md) var(--spacing-xl);
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: sticky;
    top: 0;
    z-index: 50;
}

.header-left {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.page-title {
    font-size: 20px;
    font-weight: 700;
    color: var(--gray-900);
}

.breadcrumb {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 14px;
    color: var(--gray-500);
}

.breadcrumb-separator {
    color: var(--gray-300);
}

.header-right {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.header-btn {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-full);
    background: var(--gray-100);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--gray-600);
    transition: all var(--transition-fast);
}

.header-btn:hover {
    background: var(--gray-200);
    color: var(--gray-800);
}

/* Page Content */
.admin-content {
    flex: 1;
    padding: var(--spacing-xl);
}

/* ==================== Cards ==================== */
.card {
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--gray-200);
}

.card-header {
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--gray-200);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.card-title {
    font-size: 16px;
    font-weight: 700;
    color: var(--gray-900);
}

.card-body {
    padding: var(--spacing-lg);
}

/* ==================== Stats Cards ==================== */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.stat-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    border: 1px solid var(--gray-200);
    transition: all var(--transition-fast);
}

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

.stat-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
}

.stat-icon.pink { background: rgba(233, 79, 134, 0.1); color: var(--brand-pink); }
.stat-icon.green { background: rgba(7, 193, 96, 0.1); color: var(--success); }
.stat-icon.blue { background: rgba(0, 122, 255, 0.1); color: var(--info); }
.stat-icon.orange { background: rgba(255, 149, 0, 0.1); color: var(--warning); }

.stat-content {
    flex: 1;
}

.stat-value {
    font-size: 28px;
    font-weight: 700;
    color: var(--gray-900);
    line-height: 1.2;
}

.stat-label {
    font-size: 14px;
    color: var(--gray-500);
    margin-top: var(--spacing-xs);
}

.stat-change {
    font-size: 12px;
    margin-top: var(--spacing-sm);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.stat-change.positive { color: var(--success); }
.stat-change.negative { color: var(--error); }

/* ==================== Buttons ==================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 14px;
    transition: all var(--transition-fast);
    white-space: nowrap;
}

.btn-primary {
    background: linear-gradient(135deg, var(--brand-pink) 0%, #D63D6F 100%);
    color: var(--white);
    box-shadow: 0 2px 8px rgba(233, 79, 134, 0.3);
}

.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(233, 79, 134, 0.4);
}

.btn-secondary {
    background: var(--gray-100);
    color: var(--gray-700);
}

.btn-secondary:hover {
    background: var(--gray-200);
}

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

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

.btn-sm {
    padding: var(--spacing-xs) var(--spacing-md);
    font-size: 13px;
}

.btn-lg {
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: 16px;
}

.btn-icon {
    width: 36px;
    height: 36px;
    padding: 0;
    border-radius: var(--radius-md);
}

/* ==================== Forms ==================== */
.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-label {
    display: block;
    font-weight: 600;
    font-size: 14px;
    color: var(--gray-700);
    margin-bottom: var(--spacing-sm);
}

.form-label .required {
    color: var(--error);
}

.form-input {
    width: 100%;
    padding: var(--spacing-md);
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-md);
    font-size: 14px;
    color: var(--gray-800);
    background: var(--white);
    transition: all var(--transition-fast);
}

.form-input:focus {
    border-color: var(--brand-pink);
    box-shadow: 0 0 0 3px rgba(233, 79, 134, 0.1);
}

.form-input::placeholder {
    color: var(--gray-400);
}

.form-select {
    width: 100%;
    padding: var(--spacing-md);
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-md);
    font-size: 14px;
    color: var(--gray-800);
    background: var(--white);
    cursor: pointer;
}

.form-textarea {
    width: 100%;
    padding: var(--spacing-md);
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-md);
    font-size: 14px;
    color: var(--gray-800);
    background: var(--white);
    resize: vertical;
    min-height: 120px;
}

.form-hint {
    font-size: 12px;
    color: var(--gray-500);
    margin-top: var(--spacing-xs);
}

.form-error {
    font-size: 12px;
    color: var(--error);
    margin-top: var(--spacing-xs);
}

/* ==================== Tables ==================== */
.table-container {
    overflow-x: auto;
}

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

.table th,
.table td {
    padding: var(--spacing-md);
    text-align: left;
    border-bottom: 1px solid var(--gray-200);
}

.table th {
    font-weight: 600;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--gray-600);
    background: var(--gray-50);
}

.table td {
    font-size: 14px;
    color: var(--gray-700);
}

.table tbody tr {
    transition: background var(--transition-fast);
}

.table tbody tr:hover {
    background: var(--gray-50);
}

/* ==================== Badges ==================== */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 2px 8px;
    border-radius: var(--radius-full);
    font-size: 12px;
    font-weight: 600;
}

.badge-success { background: rgba(7, 193, 96, 0.1); color: var(--success); }
.badge-warning { background: rgba(255, 149, 0, 0.1); color: var(--warning); }
.badge-error { background: rgba(255, 59, 48, 0.1); color: var(--error); }
.badge-info { background: rgba(0, 122, 255, 0.1); color: var(--info); }
.badge-gray { background: var(--gray-100); color: var(--gray-600); }

/* ==================== Login Page ==================== */
.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--gray-900) 0%, var(--gray-800) 100%);
    padding: var(--spacing-xl);
}

.login-container {
    width: 100%;
    max-width: 420px;
}

.login-card {
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: var(--spacing-2xl);
    box-shadow: var(--shadow-xl);
}

.login-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.login-logo {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, var(--brand-pink) 0%, var(--brand-gradient-end) 100%);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    color: var(--white);
    margin: 0 auto var(--spacing-md);
}

.login-title {
    font-size: 24px;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: var(--spacing-xs);
}

.login-subtitle {
    font-size: 14px;
    color: var(--gray-500);
}

.login-form .btn {
    width: 100%;
    padding: var(--spacing-md);
    font-size: 16px;
    margin-top: var(--spacing-md);
}

/* ==================== Alerts ==================== */
.alert {
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-md);
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
}

.alert-success { background: rgba(7, 193, 96, 0.1); color: var(--success); border: 1px solid rgba(7, 193, 96, 0.2); }
.alert-warning { background: rgba(255, 149, 0, 0.1); color: var(--warning); border: 1px solid rgba(255, 149, 0, 0.2); }
.alert-error { background: rgba(255, 59, 48, 0.1); color: var(--error); border: 1px solid rgba(255, 59, 48, 0.2); }
.alert-info { background: rgba(0, 122, 255, 0.1); color: var(--info); border: 1px solid rgba(0, 122, 255, 0.2); }

/* ==================== Modal ==================== */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    padding: var(--spacing-xl);
}

.modal {
    background: var(--white);
    border-radius: var(--radius-xl);
    width: 100%;
    max-width: 560px;
    max-height: 90vh;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    box-shadow: var(--shadow-xl);
}

.modal-header {
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--gray-200);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.modal-title {
    font-size: 18px;
    font-weight: 700;
}

.modal-close {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-full);
    background: var(--gray-100);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--gray-600);
}

.modal-body {
    padding: var(--spacing-lg);
    overflow-y: auto;
}

.modal-footer {
    padding: var(--spacing-lg);
    border-top: 1px solid var(--gray-200);
    display: flex;
    justify-content: flex-end;
    gap: var(--spacing-md);
}

/* ==================== Pagination ==================== */
.pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    margin-top: var(--spacing-lg);
}

.pagination-btn {
    min-width: 36px;
    height: 36px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    color: var(--gray-600);
    background: var(--white);
    border: 1px solid var(--gray-300);
    transition: all var(--transition-fast);
}

.pagination-btn:hover {
    border-color: var(--brand-pink);
    color: var(--brand-pink);
}

.pagination-btn.active {
    background: var(--brand-pink);
    border-color: var(--brand-pink);
    color: var(--white);
}

.pagination-btn.disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* ==================== Actions Bar ==================== */
.actions-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--spacing-lg);
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.actions-left {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.actions-right {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.search-box {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    background: var(--white);
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-md);
    padding: 0 var(--spacing-md);
}

.search-box .icon {
    color: var(--gray-400);
}

.search-box input {
    border: none;
    padding: var(--spacing-sm) 0;
    width: 200px;
}

/* ==================== Responsive ==================== */

/* 移动端头部（汉堡菜单） */
.mobile-header {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 60px;
    background: linear-gradient(135deg, var(--brand-pink) 0%, #FF6B9D 100%);
    color: white;
    padding: 0 var(--spacing-md);
    align-items: center;
    justify-content: space-between;
    z-index: 1001;
    box-shadow: var(--shadow-md);
}

.mobile-header .menu-btn {
    width: 44px;
    height: 44px;
    border: none;
    background: rgba(255,255,255,0.2);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: background var(--transition-fast);
}

.mobile-header .menu-btn:active {
    background: rgba(255,255,255,0.3);
}

.mobile-header .menu-btn svg {
    width: 24px;
    height: 24px;
    fill: white;
}

.mobile-header .header-title {
    font-size: 18px;
    font-weight: 600;
    flex: 1;
    text-align: center;
    margin-right: 44px;
}

/* 移动端遮罩层 */
.mobile-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.5);
    z-index: 999;
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.mobile-overlay.active {
    display: block;
    opacity: 1;
}

/* 侧边栏移动端样式 */
@media (max-width: 1024px) {
    .admin-sidebar {
        position: fixed;
        top: 0;
        left: 0;
        width: 280px;
        height: 100vh;
        background: var(--white);
        z-index: 1000;
        transform: translateX(-100%);
        transition: transform var(--transition-normal);
        box-shadow: var(--shadow-xl);
        overflow-y: auto;
    }
    
    .admin-sidebar.open {
        transform: translateX(0);
    }
    .mobile-header {
        display: flex;
    }
    
    .admin-main {
        margin-left: 0;
        padding-top: 60px;
    }
    
    .sidebar-header {
        display: flex !important;
        padding: var(--spacing-lg);
        border-bottom: 1px solid var(--gray-200);
    }
    
    .nav-section-title {
        display: block !important;
        padding: var(--spacing-md) var(--spacing-lg);
        font-size: 12px;
        color: var(--gray-500);
        text-transform: uppercase;
        letter-spacing: 0.5px;
    }
    
    .nav-item {
        display: flex !important;
        padding: var(--spacing-md) var(--spacing-lg);
        margin: 4px var(--spacing-sm);
        border-radius: var(--radius-md);
    }
    
    .sidebar-footer {
        display: block !important;
        padding: var(--spacing-lg);
        border-top: 1px solid var(--gray-200);
    }
    
    .admin-info {
        display: flex !important;
        align-items: center;
        gap: var(--spacing-md);
    }
}

@media (max-width: 768px) {
    .stats-grid {
        grid-template-columns: repeat(2, 1fr) !important;
        gap: var(--spacing-md);
    }
    
    .stat-card {
        padding: var(--spacing-md) !important;
    }
    
    .stat-card .value {
        font-size: 24px !important;
    }
    
    .actions-bar {
        flex-direction: column;
        align-items: stretch;
        gap: var(--spacing-md);
    }
    
    .page-header {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-md);
    }
    
    .page-header h1 {
        font-size: 20px !important;
    }
    
    .data-table {
        font-size: 13px;
    }
    
    .data-table th,
    .data-table td {
        padding: var(--spacing-sm) !important;
    }
    
    .card {
        margin: var(--spacing-md);
        border-radius: var(--radius-md);
    }
    
    .card-header {
        padding: var(--spacing-md) !important;
        font-size: 15px !important;
    }
    
    .card-body {
        padding: var(--spacing-md) !important;
    }
    
    .filter-bar {
        padding: var(--spacing-sm);
    }
    
    .search-box {
        width: 100% !important;
        min-width: 0 !important;
    }
    
    .select-filter {
        flex: 1;
        min-width: 100px;
    }
    
    .btn {
        width: 100%;
        justify-content: center;
    }
    
    .grid-2 {
        grid-template-columns: 1fr !important;
    }
    
    .form-grid {
        grid-template-columns: 1fr !important;
    }
    
    .form-group {
        padding: var(--spacing-md) !important;
    }
    
    .card-footer {
        flex-direction: column;
        gap: var(--spacing-md);
    }
    
    .card-footer .btn {
        width: 100%;
    }
}

@media (max-width: 480px) {
    .stats-grid {
        grid-template-columns: 1fr !important;
    }
    
    .page-title {
        font-size: 18px;
    }
    
    .data-table {
        min-width: 600px;
    }
    
    .table-container {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }
}

/* ==================== Utilities ==================== */
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-left { text-align: left; }

.mt-md { margin-top: var(--spacing-md); }
.mt-lg { margin-top: var(--spacing-lg); }
.mt-xl { margin-top: var(--spacing-xl); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }
.mb-xl { margin-bottom: var(--spacing-xl); }

.flex { display: flex; }
.flex-wrap { flex-wrap: wrap; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-sm { gap: var(--spacing-sm); }
.gap-md { gap: var(--spacing-md); }
.gap-lg { gap: var(--spacing-lg); }

.hidden { display: none; }
.visible { visibility: visible; }
.invisible { visibility: hidden; }

/* ==================== 筛选器样式 ==================== */
.filter-bar {
    display: flex;
    align-items: center;
    padding: var(--spacing-md);
    background: var(--white);
    border-bottom: 1px solid var(--gray-200);
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.search-form {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.search-box {
    display: flex;
    align-items: center;
    background: var(--white);
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-md);
    padding: 0 var(--spacing-sm);
    min-width: 200px;
    transition: all var(--transition-fast);
}

.search-box:focus-within {
    border-color: var(--brand-pink);
    box-shadow: 0 0 0 3px rgba(233, 79, 134, 0.1);
}

.search-box .icon {
    color: var(--gray-400);
    margin-right: var(--spacing-xs);
}

.search-box input {
    border: none;
    outline: none;
    padding: var(--spacing-sm);
    font-size: 14px;
    width: 100%;
    background: transparent;
}

.search-box input::placeholder {
    color: var(--gray-400);
}

.select-filter {
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: 14px;
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-md);
    background: var(--white);
    color: var(--gray-700);
    cursor: pointer;
    min-width: 120px;
    transition: all var(--transition-fast);
}

.select-filter:focus {
    outline: none;
    border-color: var(--brand-pink);
    box-shadow: 0 0 0 3px rgba(233, 79, 134, 0.1);
}

.select-filter:hover {
    border-color: var(--brand-pink);
}

/* ==================== 批量操作样式 ==================== */
.batch-actions {
    display: none;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md);
    background: var(--gray-50);
    border-bottom: 1px solid var(--gray-200);
}

.batch-actions.visible {
    display: flex;
}

.batch-info {
    font-size: 14px;
    color: var(--gray-600);
}

.batch-info span {
    font-weight: 600;
    color: var(--brand-pink);
}

.batch-buttons {
    display: flex;
    gap: var(--spacing-sm);
}

/* 表格checkbox样式 */
.table th input[type="checkbox"],
.table td input[type="checkbox"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
    accent-color: var(--brand-pink);
}

.table th {
    vertical-align: middle;
}

/* ==================== 文件上传组件样式 ==================== */
.upload-area {
    border: 2px dashed var(--gray-300);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-normal);
    background: var(--gray-50);
    position: relative;
    overflow: hidden;
}

.upload-area:hover {
    border-color: var(--brand-pink);
    background: rgba(233, 79, 134, 0.02);
}

.upload-area.dragover {
    border-color: var(--brand-pink);
    background: rgba(233, 79, 134, 0.05);
}

.upload-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
}

.upload-placeholder .icon {
    font-size: 48px;
    opacity: 0.7;
}

.upload-placeholder span {
    color: var(--gray-600);
    font-size: 14px;
}

.upload-placeholder .hint {
    color: var(--gray-400);
    font-size: 12px;
}

.upload-preview {
    max-width: 100%;
    max-height: 200px;
    border-radius: var(--radius-md);
    object-fit: contain;
}

.upload-remove {
    position: absolute;
    top: 8px;
    right: 8px;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: var(--error);
    color: var(--white);
    font-size: 18px;
    line-height: 1;
    cursor: pointer;
    border: 2px solid var(--white);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-fast);
}

.upload-remove:hover {
    transform: scale(1.1);
    background: #D32F2F;
}

.upload-model-info {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    background: var(--white);
    border-radius: var(--radius-md);
}

.upload-model-info .icon {
    font-size: 24px;
}

.upload-model-info span {
    color: var(--gray-700);
    font-size: 14px;
}

.upload-progress {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--gray-100);
    border-radius: var(--radius-md);
}

.progress-bar {
    flex: 1;
    height: 8px;
    background: var(--gray-200);
    border-radius: var(--radius-full);
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--brand-pink), var(--brand-gradient-end));
    border-radius: var(--radius-full);
    transition: width 0.3s ease;
}

.progress-text {
    font-size: 12px;
    color: var(--gray-600);
    min-width: 40px;
    text-align: right;
}

.upload-area-model {
    border-style: solid;
    border-width: 1px;
}

/* 移动端适配 */
@media (max-width: 480px) {
    .upload-area {
        padding: var(--spacing-md);
    }
    
    .upload-placeholder .icon {
        font-size: 28px;
    }
    
    .upload-preview {
        max-height: 120px;
    }
}

/* ==================== 图片上传组件样式 ==================== */

/* 上传区域容器 */
.upload-section {
    position: relative;
}

/* 图片上传网格容器 */
.upload-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-sm);
}

/* 单个图片上传框 */
.upload-box {
    position: relative;
    width: 100px;
    height: 100px;
    border: 2px dashed var(--gray-300);
    border-radius: var(--radius-md);
    background: var(--gray-50);
    cursor: pointer;
    transition: all var(--transition-normal);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.upload-box:hover {
    border-color: var(--brand-pink);
    background: rgba(233, 79, 134, 0.02);
}

.upload-box.filled {
    border-style: solid;
    border-color: var(--gray-200);
}

.upload-box.dragover {
    border-color: var(--brand-pink);
    background: rgba(233, 79, 134, 0.05);
    transform: scale(1.02);
}

/* 上传框占位符 */
.upload-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
    padding: var(--spacing-sm);
}

.upload-placeholder .icon {
    font-size: 28px;
    margin-bottom: var(--spacing-xs);
    opacity: 0.6;
}

.upload-placeholder span {
    color: var(--gray-600);
    font-size: 10px;
    text-align: center;
}

.upload-placeholder .hint {
    color: var(--gray-400);
    font-size: 8px;
    margin-top: 2px;
}

/* 图片预览 */
.upload-preview {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: var(--radius-md);
    z-index: 1;
}

/* 悬浮操作层 */
.upload-actions {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    opacity: 0;
    transition: all var(--transition-fast);
    z-index: 5;
}

.upload-box:hover .upload-actions,
.upload-box.filled:hover .upload-actions {
    background: rgba(0, 0, 0, 0.3);
    opacity: 1;
}

.upload-box.filled .upload-actions {
    opacity: 1;
    background: rgba(0, 0, 0, 0);
}

.action-btn {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    border: 2px solid var(--white);
    background: rgba(255, 255, 255, 0.9);
    color: var(--gray-700);
    font-size: 14px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
    transform: scale(0.9);
}

.action-btn:hover {
    transform: scale(1.1);
    background: var(--white);
}

.action-btn.preview-btn:hover {
    background: var(--brand-pink);
    color: var(--white);
    border-color: var(--brand-pink);
}

.action-btn.delete-btn:hover {
    background: var(--error);
    color: var(--white);
    border-color: var(--error);
}

/* 进度条 */
.upload-progress {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    padding: 4px 8px;
    border-radius: 0 0 var(--radius-md) var(--radius-md);
    display: flex;
    align-items: center;
    gap: 8px;
    z-index: 10;
}

/* 上传成功状态 */
.upload-box.success .upload-progress {
    background: rgba(103, 194, 58, 0.9);
}

.upload-box.success .upload-progress .progress-text {
    color: white;
    font-weight: 600;
}

.upload-box.success .progress-fill {
    background: white;
}

.progress-fill {
    transition: background-color 0.3s ease;
}

.progress-bar {
    height: 3px;
    background: var(--gray-600);
    border-radius: var(--radius-full);
    overflow: hidden;
    flex: 1;
}

.progress-fill {
    height: 100%;
    background: var(--brand-pink);
    border-radius: var(--radius-full);
    transition: width 0.3s ease;
}

.progress-text {
    color: var(--white);
    font-size: 10px;
    text-align: center;
    white-space: nowrap;
}

/* 3D模型展示框 */
.model-box {
    position: relative;
    width: 100%;
    height: 80px;
    border: 2px dashed var(--gray-300);
    border-radius: var(--radius-md);
    background: linear-gradient(135deg, #f5f7fa 0%, #e4e8eb 100%);
    cursor: pointer;
    transition: all var(--transition-normal);
    overflow: hidden;
    display: flex;
    align-items: center;
    padding: 0 16px;
}

.model-box:hover {
    border-color: var(--brand-pink);
}

.model-box.filled {
    border-style: solid;
    border-color: var(--gray-200);
}

.model-preview {
    width: 60px;
    height: 60px;
    object-fit: contain;
    border-radius: var(--radius-md);
}

.model-placeholder {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    padding: 0 16px;
    text-align: left;
    gap: 12px;
}

.model-placeholder .icon {
    font-size: 24px;
    margin-bottom: 0;
}

.model-placeholder span {
    color: var(--gray-600);
    font-size: 12px;
}

.model-placeholder .hint {
    color: var(--gray-400);
    font-size: 10px;
    margin-top: 0;
    margin-left: auto;
}

.model-info {
    display: flex;
    align-items: center;
    flex: 1;
    margin-left: 12px;
    padding: 0;
    background: transparent;
}

.model-info .filename {
    color: var(--gray-700);
    font-size: 12px;
    word-break: break-all;
    font-weight: 500;
}

.model-info .filesize {
    color: var(--gray-400);
    font-size: 10px;
    margin-left: 8px;
    white-space: nowrap;
}

.model-info .filesize {
    color: rgba(255, 255, 255, 0.7);
    font-size: 10px;
    margin-top: 2px;
}

/* 图片预览弹窗 */
.image-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.9);
    z-index: 9999;
    display: none;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-xl);
}

.image-modal.active {
    display: flex;
}

.modal-close {
    position: absolute;
    top: var(--spacing-lg);
    right: var(--spacing-lg);
    width: 48px;
    height: 48px;
    border-radius: 50%;
    border: 2px solid var(--white);
    background: rgba(255, 255, 255, 0.1);
    color: var(--white);
    font-size: 24px;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.modal-close:hover {
    background: var(--white);
    color: var(--gray-900);
}

.modal-image {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-xl);
}

.modal-index {
    position: absolute;
    bottom: var(--spacing-lg);
    left: 50%;
    transform: translateX(-50%);
    color: var(--white);
    font-size: 14px;
    background: rgba(0, 0, 0, 0.5);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-full);
}

/* 列表页缩略图 */
.thumbnail-cell {
    position: relative;
}

.thumbnail-wrapper {
    position: relative;
    width: 60px;
    height: 60px;
    border-radius: var(--radius-md);
    overflow: hidden;
    cursor: pointer;
    border: 2px solid transparent;
    transition: all var(--transition-fast);
}

.thumbnail-wrapper:hover {
    border-color: var(--brand-pink);
    transform: scale(1.05);
}

.thumbnail-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.thumbnail-placeholder {
    width: 100%;
    height: 100%;
    background: var(--gray-100);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--gray-400);
    font-size: 24px;
}

.badge-3d {
    position: absolute;
    bottom: 2px;
    right: 2px;
    width: 18px;
    height: 18px;
    background: var(--brand-pink);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 10px;
    color: var(--white);
    border: 2px solid var(--white);
}

/* 移动端适配 */
@media (max-width: 768px) {
    .upload-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-xs);
    }
    
    .upload-box {
        width: 100%;
        height: 100px;
    }
    
    .action-btn {
        width: 28px;
        height: 28px;
        font-size: 12px;
    }
    
    .model-box {
        width: 100%;
        height: 80px;
    }
    
    .thumbnail-wrapper {
        width: 48px;
        height: 48px;
    }
}

@media (max-width: 480px) {
    .upload-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-xs);
    }
    
    .upload-box {
        width: 100%;
        height: 100px;
    }
    
    .action-btn {
        width: 28px;
        height: 28px;
        font-size: 12px;
    }
    
    .upload-actions {
        gap: var(--spacing-xs);
    }
    
    .model-box {
        width: 100%;
        height: 80px;
    }
}