/* 基础样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background-color: #f5f7fa;
    color: #333;
    line-height: 1.6;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 20px;
}

/* 头部 */
.header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 30px;
    border-radius: 12px;
    margin-bottom: 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.header h1 {
    font-size: 28px;
    font-weight: 600;
}

.header-actions {
    display: flex;
    gap: 12px;
}

/* 按钮 */
.btn {
    padding: 10px 20px;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.3s ease;
}

.btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

.btn-primary {
    background: #4CAF50;
    color: white;
}

.btn-primary:hover {
    background: #45a049;
}

.btn-warning {
    background: #ff9800;
    color: white;
}

.btn-warning:hover {
    background: #f57c00;
}

.btn-default {
    background: #e0e0e0;
    color: #333;
}

.btn-default:hover {
    background: #d0d0d0;
}

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

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

.stat-card {
    background: white;
    padding: 24px;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
    text-align: center;
}

.stat-value {
    font-size: 36px;
    font-weight: 700;
    color: #667eea;
    margin-bottom: 8px;
}

.stat-label {
    font-size: 14px;
    color: #666;
}

/* 搜索区域 */
.search-section {
    background: white;
    padding: 24px;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
    margin-bottom: 24px;
}

.search-section h2 {
    font-size: 18px;
    margin-bottom: 20px;
    color: #333;
}

.search-form {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 16px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.form-group label {
    font-size: 13px;
    color: #666;
    font-weight: 500;
}

.form-group input,
.form-group select {
    padding: 10px 12px;
    border: 1px solid #ddd;
    border-radius: 6px;
    font-size: 14px;
    transition: border-color 0.3s;
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: #667eea;
}

.form-actions {
    display: flex;
    gap: 12px;
    margin-top: 8px;
}

/* 数据表格 */
.data-section {
    background: white;
    padding: 24px;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
}

.table-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
}

.table-header h2 {
    font-size: 18px;
    color: #333;
}

.pagination-info {
    font-size: 14px;
    color: #666;
}

.table-container {
    overflow-x: auto;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
}

.data-table th,
.data-table td {
    padding: 14px 12px;
    text-align: left;
    border-bottom: 1px solid #eee;
}

.data-table th {
    background: #f8f9fa;
    font-weight: 600;
    color: #555;
    white-space: nowrap;
}

.data-table tbody tr:hover {
    background: #f8f9fa;
}

/* 标签 */
.tag {
    display: inline-block;
    padding: 4px 10px;
    border-radius: 4px;
    font-size: 12px;
    font-weight: 500;
}

.tag-high {
    background: #ffebee;
    color: #c62828;
}

.tag-medium {
    background: #fff3e0;
    color: #ef6c00;
}

.tag-low {
    background: #e8f5e9;
    color: #2e7d32;
}

.tag-none {
    background: #e3f2fd;
    color: #1565c0;
}

.tag-success {
    background: #e8f5e9;
    color: #2e7d32;
}

.tag-danger {
    background: #ffebee;
    color: #c62828;
}

/* 分页 */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 16px;
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid #eee;
}

.page-info {
    font-size: 14px;
    color: #666;
}

/* 弹窗 */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.5);
    z-index: 1000;
    justify-content: center;
    align-items: center;
}

.modal.active {
    display: flex;
}

.modal-content {
    background: white;
    border-radius: 12px;
    width: 90%;
    max-width: 800px;
    max-height: 90vh;
    overflow: hidden;
    animation: modalSlideIn 0.3s ease;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 24px;
    border-bottom: 1px solid #eee;
}

.modal-header h3 {
    font-size: 18px;
    color: #333;
}

.modal-close {
    background: none;
    border: none;
    font-size: 28px;
    color: #999;
    cursor: pointer;
    line-height: 1;
}

.modal-close:hover {
    color: #333;
}

.modal-body {
    padding: 24px;
    overflow-y: auto;
    max-height: calc(90vh - 80px);
}

/* 详情样式 */
.detail-section {
    margin-bottom: 24px;
}

.detail-section h4 {
    font-size: 16px;
    color: #333;
    margin-bottom: 12px;
    padding-bottom: 8px;
    border-bottom: 2px solid #667eea;
}

.detail-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 12px;
}

.detail-item {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.detail-item label {
    font-size: 12px;
    color: #666;
}

.detail-item value {
    font-size: 14px;
    color: #333;
    word-break: break-all;
}

.detail-content {
    background: #f8f9fa;
    padding: 16px;
    border-radius: 8px;
    font-size: 14px;
    line-height: 1.8;
    white-space: pre-wrap;
}

/* Toast提示 */
.toast {
    position: fixed;
    top: 20px;
    right: 20px;
    padding: 16px 24px;
    border-radius: 8px;
    color: white;
    font-size: 14px;
    z-index: 2000;
    opacity: 0;
    transform: translateX(100%);
    transition: all 0.3s ease;
}

.toast.show {
    opacity: 1;
    transform: translateX(0);
}

.toast.success {
    background: #4CAF50;
}

.toast.error {
    background: #f44336;
}

/* 空状态 */
.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: #999;
}

.empty-state-icon {
    font-size: 48px;
    margin-bottom: 16px;
}

/* 响应式 */
@media (max-width: 768px) {
    .container {
        padding: 12px;
    }
    
    .header {
        flex-direction: column;
        gap: 16px;
        text-align: center;
    }
    
    .header h1 {
        font-size: 22px;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .data-table {
        font-size: 12px;
    }
    
    .data-table th,
    .data-table td {
        padding: 10px 8px;
    }
}