/* ============================================
   现代化教育培训管理系统样式
   ============================================ */

/* CSS变量定义 - 设计系统 */
:root {
    /* 主色调 - 现代紫色/蓝色系 */
    --primary-color: #667eea;
    --primary-hover: #5568d3;
    --primary-light: #818cf8;
    --primary-dark: #4f46e5;
    
    /* 辅助色 */
    --success-color: #10b981;
    --success-hover: #059669;
    --success-light: #34d399;
    --warning-color: #f59e0b;
    --danger-color: #ef4444;
    --info-color: #06b6d4;
    
    /* 中性色 */
    --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;
    
    /* 背景色 */
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-tertiary: #f1f5f9;
    
    /* 文字颜色 */
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --text-tertiary: #94a3b8;
    
    /* 阴影 */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    
    /* 圆角 */
    --radius-sm: 6px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    
    /* 间距 */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    
    /* 过渡 */
    --transition-fast: 0.15s ease-in-out;
    --transition-base: 0.2s ease-in-out;
    --transition-slow: 0.3s ease-in-out;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Helvetica Neue', Helvetica, Arial, sans-serif;
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    line-height: 1.5;
    font-size: 12px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ============================================
   登录页面
   ============================================ */
#login-page {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background: linear-gradient(135deg, #10b981 0%, #059669 50%, #34d399 100%);
    position: relative;
    overflow: hidden;
}

#login-page::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 1px, transparent 1px);
    background-size: 50px 50px;
    animation: float 20s infinite linear;
}

@keyframes float {
    0% { transform: translate(0, 0); }
    100% { transform: translate(50px, 50px); }
}

.login-container {
    background: var(--bg-primary);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    width: 100%;
    max-width: 420px;
    position: relative;
    z-index: 1;
    backdrop-filter: blur(10px);
}

.login-container h1 {
    text-align: center;
    margin-bottom: var(--spacing-xl);
    color: var(--text-primary);
    font-size: 28px;
    font-weight: 700;
    letter-spacing: -0.5px;
    background: linear-gradient(135deg, var(--primary-color), var(--success-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ============================================
   表单样式
   ============================================ */
.form-group {
    margin-bottom: var(--spacing-md);
    position: relative;
}

.form-group label {
    display: block;
    margin-bottom: 6px;
    font-weight: 600;
    color: var(--text-primary);
    font-size: 12px;
    letter-spacing: 0.2px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 8px 12px;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-sm);
    font-size: 12px;
    font-family: inherit;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    transition: all var(--transition-base);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-group input:hover,
.form-group select:hover,
.form-group textarea:hover {
    border-color: var(--gray-300);
}

/* ============================================
   按钮样式
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 8px 16px;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 12px;
    font-weight: 500;
    letter-spacing: 0.2px;
    text-decoration: none;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
    white-space: nowrap;
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn:hover::before {
    width: 300px;
    height: 300px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--success-light));
    color: white;
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-success {
    background: linear-gradient(135deg, var(--success-color), #34d399);
    color: white;
    box-shadow: var(--shadow-md);
}

.btn-success:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    background-color: var(--gray-100);
    color: var(--text-primary);
    border: 1px solid var(--gray-200);
}

.btn-secondary:hover {
    background-color: var(--gray-200);
    transform: translateY(-1px);
}

.btn-danger {
    background: linear-gradient(135deg, var(--danger-color), #f87171);
    color: white;
    box-shadow: var(--shadow-md);
}

.btn-danger:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-sm {
    padding: 6px 12px;
    font-size: 11px;
}

/* ============================================
   主应用布局
   ============================================ */
#main-page {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    background-color: var(--bg-secondary);
}

.header {
    background: linear-gradient(135deg, var(--primary-color), var(--success-light));
    color: white;
    padding: var(--spacing-lg) var(--spacing-xl);
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: var(--shadow-md);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header h1 {
    font-size: 22px;
    font-weight: 700;
    letter-spacing: -0.3px;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.header h1::before {
    content: '📚';
    font-size: 24px;
}

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

.user-info span {
    padding: 8px 16px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-md);
    font-weight: 500;
    backdrop-filter: blur(10px);
}

.nav {
    background-color: var(--bg-primary);
    border-bottom: 1px solid var(--gray-200);
    display: flex;
    padding: 0 var(--spacing-xl);
    box-shadow: var(--shadow-sm);
    overflow-x: auto;
}

.nav-item {
    padding: var(--spacing-md) var(--spacing-lg);
    text-decoration: none;
    color: var(--text-secondary);
    border-bottom: 3px solid transparent;
    transition: all var(--transition-base);
    font-weight: 500;
    font-size: 14px;
    white-space: nowrap;
    position: relative;
}

.nav-item:hover {
    color: var(--primary-color);
    background-color: var(--bg-secondary);
}

.nav-item.active {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
}

.nav-item.active::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-color), var(--primary-light));
}

.main-content {
    flex: 1;
    padding: var(--spacing-xl);
    max-width: 1400px;
    width: 100%;
    margin: 0 auto;
}

/* ============================================
   页面头部
   ============================================ */
.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-xl);
    flex-wrap: wrap;
    gap: var(--spacing-md);
    position: relative;
    width: 100%;
    box-sizing: border-box;
}

.page-header h2 {
    display: none !important; /* 隐藏标题和图标 */
}

.page-header .btn {
    flex-shrink: 0; /* 按钮不收缩，保持在右侧 */
    white-space: nowrap;
    position: relative;
    z-index: 1; /* 确保按钮在最上层 */
}

.page-header .btn {
    flex-shrink: 0; /* 按钮不收缩，保持在右侧 */
    white-space: nowrap;
}

/* ============================================
   筛选栏
   ============================================ */
.filter-bar {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
    padding: var(--spacing-lg);
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    flex-wrap: wrap;
}

.filter-bar input {
    flex: 1;
    min-width: 150px;
    padding: 6px 10px;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-sm);
    font-size: 12px;
    transition: all var(--transition-base);
}

.filter-bar input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

/* ============================================
   表格样式
   ============================================ */
.table-container {
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    margin-bottom: var(--spacing-lg);
}

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

table th,
table td {
    padding: 8px 10px;
    text-align: left;
    border-bottom: 1px solid var(--gray-200);
    font-size: 12px;
}

table th {
    background-color: var(--bg-tertiary);
    font-weight: 600;
    color: var(--text-primary);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.3px;
    position: sticky;
    top: 0;
    z-index: 10;
}

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

table tbody tr:hover {
    background-color: var(--bg-secondary);
    transform: scale(1.01);
}

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

/* ============================================
   分页
   ============================================ */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-xl);
    padding: var(--spacing-md);
}

.pagination a,
.pagination button {
    padding: 6px 12px;
    border: 1px solid var(--gray-200);
    background: var(--bg-primary);
    color: var(--text-primary);
    cursor: pointer;
    border-radius: var(--radius-sm);
    text-decoration: none;
    font-weight: 500;
    font-size: 11px;
    transition: all var(--transition-base);
}

.pagination a:hover:not(:disabled),
.pagination button:hover:not(:disabled) {
    border-color: var(--primary-color);
    color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.pagination span {
    padding: 0 var(--spacing-md);
    color: var(--text-secondary);
    font-weight: 500;
}

/* ============================================
   Flash消息
   ============================================ */
.flash-message {
    padding: 10px 14px;
    margin-bottom: var(--spacing-md);
    border-radius: var(--radius-sm);
    font-weight: 500;
    font-size: 12px;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    animation: slideDown 0.3s ease-out;
    box-shadow: var(--shadow-sm);
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.flash-success {
    background: linear-gradient(135deg, #d1fae5, #a7f3d0);
    color: #065f46;
    border-left: 4px solid var(--success-color);
}

.flash-error {
    background: linear-gradient(135deg, #fee2e2, #fecaca);
    color: #991b1b;
    border-left: 4px solid var(--danger-color);
}

/* ============================================
   统计卡片
   ============================================ */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.stat-card {
    background: linear-gradient(135deg, var(--bg-primary), var(--bg-secondary));
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    text-align: center;
    position: relative;
    overflow: hidden;
    transition: all var(--transition-base);
    border: 1px solid var(--gray-200);
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--primary-light));
}

.stat-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.stat-card h3,
.stat-card h4 {
    margin-bottom: var(--spacing-sm);
    color: var(--text-secondary);
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.stat-number,
.stat-card p.stat-number {
    font-size: 24px;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary-color), var(--success-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin: 0;
    line-height: 1.2;
}

/* ============================================
   详情页面
   ============================================ */
.detail-container {
    background: var(--bg-primary);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--gray-200);
}

.detail-section {
    margin-bottom: var(--spacing-xl);
    padding-bottom: var(--spacing-xl);
    border-bottom: 2px solid var(--gray-200);
}

.detail-section:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.detail-section h3 {
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-xs);
    border-bottom: 2px solid var(--primary-color);
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.detail-section h3::before {
    content: '▸';
    color: var(--primary-color);
    font-size: 16px;
}

.detail-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
}

.detail-item {
    display: flex;
    padding: var(--spacing-md);
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    border: 1px solid var(--gray-200);
    transition: all var(--transition-fast);
}

.detail-item:hover {
    background: var(--bg-tertiary);
    transform: translateX(4px);
}

.detail-item label {
    font-weight: 600;
    margin-right: var(--spacing-md);
    min-width: 120px;
    color: var(--text-secondary);
    font-size: 13px;
}

.detail-item span {
    color: var(--text-primary);
    font-weight: 500;
}

/* ============================================
   表单样式
   ============================================ */
.form-container {
    background: var(--bg-primary);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--gray-200);
    max-width: 900px;
    margin: 0 auto;
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
}

.form-actions {
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-lg);
    border-top: 2px solid var(--gray-200);
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.required {
    color: var(--danger-color);
    font-weight: 600;
}

/* ============================================
   导入导出
   ============================================ */
.import-export-section {
    background: var(--bg-primary);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--gray-200);
}

.import-export-section h3 {
    margin-bottom: var(--spacing-lg);
    font-size: 20px;
    font-weight: 700;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.import-export-section h3::before {
    content: '📤';
    font-size: 24px;
}

.import-export-section p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
    line-height: 1.8;
}

.import-form {
    max-width: 600px;
}

.export-buttons {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.recent-section {
    margin-top: var(--spacing-xl);
}

.recent-section h3 {
    margin-bottom: var(--spacing-lg);
    font-size: 20px;
    font-weight: 700;
    color: var(--text-primary);
}

/* ============================================
   响应式设计
   ============================================ */
@media (max-width: 1024px) {
    .main-content {
        padding: var(--spacing-lg);
    }
    
    .page-header {
        flex-direction: column;
        align-items: flex-start;
    }
}

@media (max-width: 768px) {
    .header {
        flex-direction: column;
        gap: var(--spacing-md);
        padding: var(--spacing-md);
    }
    
    .header h1 {
        font-size: 18px;
    }
    
    .nav {
        padding: 0 var(--spacing-md);
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }
    
    .nav-item {
        padding: var(--spacing-md);
        font-size: 13px;
    }
    
    .main-content {
        padding: var(--spacing-md);
    }
    
    .filter-bar {
        flex-direction: column;
        padding: var(--spacing-md);
    }
    
    .filter-bar input {
        min-width: 100%;
    }
    
    table {
        font-size: 13px;
    }
    
    table th,
    table td {
        padding: 12px 8px;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .detail-grid {
        grid-template-columns: 1fr;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .stat-number {
        font-size: 28px;
    }
    
    .stat-card p {
        font-size: 36px;
    }
    
    .page-header h2 {
        display: none !important; /* 隐藏标题和图标 */
    }
}

/* ============================================
   Badge 标签
   ============================================ */
.badge {
    display: inline-block;
    padding: 4px 10px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 500;
    line-height: 1;
}

.badge-success {
    background-color: #d1fae5;
    color: #065f46;
}

.badge-secondary {
    background-color: var(--gray-200);
    color: var(--gray-700);
}

.badge-warning {
    background-color: #fef3c7;
    color: #92400e;
}

.badge-danger {
    background-color: #fee2e2;
    color: #991b1b;
}

.badge-info {
    background-color: #cffafe;
    color: #164e63;
}

/* ============================================
   Dashboard 快捷操作
   ============================================ */
.quick-actions-section {
    margin: var(--spacing-xl) 0;
}

.quick-actions-section h3 {
    margin-bottom: var(--spacing-md);
    font-size: 13px;
    font-weight: 600;
    color: var(--text-primary);
}

.quick-actions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
}

.quick-action-card {
    background: var(--bg-primary);
    padding: var(--spacing-sm);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--gray-200);
    text-decoration: none;
    color: var(--text-primary);
    transition: all var(--transition-base);
    text-align: center;
}

.quick-action-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

.action-icon {
    font-size: 24px;
    margin-bottom: var(--spacing-xs);
}

.action-title {
    font-size: 11px;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    color: var(--text-primary);
}

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

.stat-card .stat-icon {
    font-size: 36px;
    margin-bottom: var(--spacing-md);
}

.stat-card .stat-content {
    flex: 1;
}

.stat-desc {
    font-size: 12px;
    color: var(--text-secondary);
    margin-top: var(--spacing-xs);
}

.stat-card.stat-primary {
    border-left: 4px solid var(--primary-color);
}

.stat-card.stat-success {
    border-left: 4px solid var(--success-color);
}

.stat-card.stat-info {
    border-left: 4px solid var(--info-color);
}

.stat-card.stat-warning {
    border-left: 4px solid var(--warning-color);
}

@media (max-width: 480px) {
    .login-container {
        padding: var(--spacing-lg);
        margin: var(--spacing-md);
    }
    
    .btn {
        width: 100%;
    }
    
    .form-actions {
        flex-direction: column;
    }
    
    .form-actions .btn {
        width: 100%;
    }
}

/* ============================================
   滚动条样式（WebKit浏览器）
   ============================================ */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
    background: var(--gray-300);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--gray-400);
}

/* ============================================
   工具类
   ============================================ */
.text-center {
    text-align: center;
}

.text-right {
    text-align: right;
}

.mt-1 { margin-top: var(--spacing-sm); }
.mt-2 { margin-top: var(--spacing-md); }
.mt-3 { margin-top: var(--spacing-lg); }
.mb-1 { margin-bottom: var(--spacing-sm); }
.mb-2 { margin-bottom: var(--spacing-md); }
.mb-3 { margin-bottom: var(--spacing-lg); }

/* ============================================
   人员选择器 - 左右分栏样式
   ============================================ */
.participant-selector-container {
    display: flex;
    gap: var(--spacing-md);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-md);
    background: var(--bg-primary);
    min-height: 400px;
    max-height: 600px;
}

.participant-panel {
    flex: 1;
    display: flex;
    flex-direction: column;
    border-right: 1px solid var(--gray-200);
    min-width: 0;
}

.participant-panel:last-child {
    border-right: none;
}

.panel-header {
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--gray-200);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-shrink: 0;
}

.panel-header h4 {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
}

.panel-tools {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.panel-content {
    flex: 1;
    overflow-y: auto;
    padding: var(--spacing-sm);
}

.department-group {
    margin-bottom: var(--spacing-md);
}

.department-header {
    padding: 6px 8px;
    background: var(--bg-secondary);
    border-radius: var(--radius-sm);
    cursor: pointer;
    user-select: none;
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 11px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 4px;
    transition: background-color var(--transition-fast);
}

.department-header:hover {
    background: var(--gray-200);
}

.dept-toggle {
    font-size: 10px;
    transition: transform var(--transition-fast);
    display: inline-block;
}

.department-group.collapsed .dept-toggle {
    transform: rotate(-90deg);
}

.department-group.collapsed .department-employees {
    display: none;
}

.dept-count {
    color: var(--text-secondary);
    font-weight: normal;
    font-size: 10px;
}

.department-employees {
    padding-left: var(--spacing-sm);
}

.employee-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 8px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: background-color var(--transition-fast);
    font-size: 11px;
    margin-bottom: 2px;
    user-select: none;
}

.employee-item:hover {
    background: var(--gray-100);
}

.employee-item.selected {
    background: rgba(102, 126, 234, 0.1);
}

.employee-score-item {
    background: rgba(102, 126, 234, 0.1) !important;
}

.employee-score-item input[type="number"] {
    width: 80px;
    font-size: 11px;
    padding: 4px 8px;
    border: 1px solid var(--gray-300);
    border-radius: 4px;
    background: var(--bg-primary);
}

.employee-score-item input[type="number"]:focus {
    border-color: var(--primary-color);
    outline: none;
    box-shadow: 0 0 0 2px rgba(102, 126, 234, 0.1);
}

.employee-item input[type="checkbox"] {
    width: auto;
    margin: 0;
    cursor: pointer;
}

.employee-item span:first-of-type {
    flex: 1;
    color: var(--text-primary);
}

.emp-no {
    color: var(--text-secondary);
    font-size: 10px;
    font-family: monospace;
}

.participant-actions {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: var(--spacing-md);
    gap: var(--spacing-sm);
    border-left: 1px solid var(--gray-200);
    border-right: 1px solid var(--gray-200);
    flex-shrink: 0;
}

.participant-actions .btn {
    white-space: nowrap;
    font-size: 11px;
    padding: 6px 12px;
    min-width: 100px;
}

.btn-text {
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px 8px;
    border-radius: var(--radius-sm);
    transition: background-color var(--transition-fast);
}

.btn-text:hover {
    background: var(--gray-100);
}

/* 响应式设计 */
@media (max-width: 1200px) {
    .participant-selector-container {
        flex-direction: column;
        max-height: none;
    }
    
    .participant-panel {
        border-right: none;
        border-bottom: 1px solid var(--gray-200);
        max-height: 300px;
    }
    
    .participant-panel:last-child {
        border-bottom: none;
    }
    
    .participant-actions {
        flex-direction: row;
        border-left: none;
        border-right: none;
        border-top: 1px solid var(--gray-200);
        border-bottom: 1px solid var(--gray-200);
    }
}