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

:root {
    /* 主色调 - 清新蓝色 */
    --primary-color: #1890ff;
    --primary-light: #40a9ff;
    --primary-dark: #096dd9;

    /* 辅助色 */
    --success-color: #52c41a;
    --warning-color: #faad14;
    --danger-color: #ff4d4f;
    --info-color: #13c2c2;

    /* 文字颜色 */
    --text-color: #1f1f1f;
    --text-secondary: #595959;
    --text-light: #8c8c8c;

    /* 背景色 */
    --bg-color: #f0f2f5;
    --bg-light: #fafafa;
    --bg-card: #ffffff;
    --white: #ffffff;

    /* 边框颜色 */
    --border-color: #e8e8e8;
    --border-light: #f0f0f0;

    /* 阴影 */
    --shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
    --shadow-hover: 0 8px 24px rgba(0, 0, 0, 0.12);
    --shadow-card: 0 1px 2px rgba(0, 0, 0, 0.05);

    /* 渐变色 */
    --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-success: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --gradient-info: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    --gradient-warning: linear-gradient(135deg, #43e97b 0%, #38f9d7 100%);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Helvetica Neue', Helvetica, Arial, sans-serif;
    font-size: 14px;
    line-height: 1.5;
    color: var(--text-color);
    background-color: var(--bg-color);
}

#app {
    min-height: 100vh;
}

/* 页面容器 */
.page {
    display: none;
}

.page.active {
    display: block;
}

/* 头部样式 */
.header {
    background: var(--white);
    padding: 0 24px;
    height: 64px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.12);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-left h1 {
    font-size: 20px;
    font-weight: 500;
    color: var(--primary-color);
}

.header-right {
    display: flex;
    align-items: center;
    gap: 12px;
}

.user-info {
    font-size: 14px;
    color: var(--text-color);
}

/* 主容器 */
.main-container {
    display: flex;
    min-height: calc(100vh - 64px);
}

/* 侧边栏 */
.sidebar {
    width: 224px;
    background: var(--white);
    border-right: 1px solid var(--border-color);
    overflow-y: auto;
    flex-shrink: 0;
    position: sticky;
    top: 64px;
    height: calc(100vh - 64px);
    max-height: calc(100vh - 64px);
}

.nav-menu {
    padding: 8px 0;
}

.nav-item {
    display: flex;
    align-items: center;
    padding: 12px 24px;
    color: var(--text-color);
    text-decoration: none;
    transition: all 0.3s;
    cursor: pointer;
}

.nav-item:hover {
    background: rgba(24, 144, 255, 0.05);
}

.nav-item.active {
    background: var(--primary-color);
    color: var(--white);
}

.nav-item .icon {
    margin-right: 8px;
    font-size: 16px;
}

.nav-scan-item {
    margin-top: 16px;
    border-top: 1px solid var(--border-color);
}

/* 内容区域 */
.content {
    flex: 1;
    padding: 24px;
    overflow-y: auto;
    width: 100%;
    min-width: 0;
}

.content.full-width {
    width: 100%;
}

/* 版权信息 */
.copyright-footer {
    text-align: center;
    padding: 20px;
    background: var(--white);
    color: var(--text-secondary);
    font-size: 14px;
    border-top: 1px solid var(--border-color);
    margin-top: auto;
}

.copyright-footer p {
    margin: 0;
}

/* 页面区块 */
.page-section {
    display: none;
    min-width: 0;
}

.page-section.active {
    display: block;
    width: 100%;
    max-width: 100%;
    overflow: hidden;
}

.page-section h2 {
    font-size: 20px;
    font-weight: 500;
    margin-bottom: 16px;
}

/* 筛选容器 */
.filter-container {
    background: var(--bg-card);
    padding: 24px;
    border-radius: 16px;
    margin-bottom: 24px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
    width: 100%;
    box-sizing: border-box;
    min-width: 0;
}

.filter-row {
    display: flex;
    gap: 20px;
    margin-bottom: 20px;
}

.filter-row:last-child {
    margin-bottom: 0;
}

.filter-item {
    flex: 1;
    min-width: 220px;
    max-width: 100%;
}

.filter-item label {
    display: block;
    margin-bottom: 10px;
    color: var(--text-color);
    font-weight: 600;
    font-size: 14px;
}

.filter-input,
.filter-select {
    width: 100%;
    padding: 12px 14px;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 14px;
    transition: all 0.3s ease;
    background: var(--bg-card);
    color: var(--text-color);
}

/* 关键词搜索框特别样式 */
#search-input {
    padding: 14px 18px;
    font-size: 15px;
    border: 2px solid var(--border-color);
    border-radius: 10px;
    height: 50px;
}

.filter-input:focus,
.filter-select:focus {
    border-color: var(--primary-color);
    outline: none;
    box-shadow: 0 0 0 3px rgba(24, 144, 255, 0.1);
    background: var(--white);
}

.filter-input:hover,
.filter-select:hover {
    border-color: var(--primary-light);
}

.filter-actions {
    display: flex;
    gap: 14px;
    margin-top: 20px;
}

/* 按钮样式 */
.btn {
    padding: 10px 20px;
    border: none;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    position: relative;
    overflow: hidden;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.btn:active {
    transform: translateY(0);
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color) 0%, #40a9ff 100%);
    color: var(--white);
    box-shadow: 0 2px 8px rgba(24, 144, 255, 0.3);
}

.btn-primary:hover {
    box-shadow: 0 4px 16px rgba(24, 144, 255, 0.4);
}

.btn-secondary {
    background: var(--white);
    color: var(--text-color);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.btn-success {
    background: linear-gradient(135deg, var(--success-color) 0%, #73d13d 100%);
    color: var(--white);
    box-shadow: 0 2px 8px rgba(82, 196, 26, 0.3);
}

.btn-warning {
    background: linear-gradient(135deg, var(--warning-color) 0%, #ffc53d 100%);
    color: var(--white);
    box-shadow: 0 2px 8px rgba(250, 173, 20, 0.3);
}

.btn-danger {
    background: linear-gradient(135deg, var(--danger-color) 0%, #ff7875 100%);
    color: var(--white);
    box-shadow: 0 2px 8px rgba(245, 34, 45, 0.3);
}

.btn-info {
    background: linear-gradient(135deg, var(--info-color) 0%, #36cfc9 100%);
    color: var(--white);
    box-shadow: 0 2px 8px rgba(19, 194, 194, 0.3);
}

.btn-small {
    padding: 6px 14px;
    font-size: 13px;
    border-radius: 6px;
    font-weight: 500;
}

/* AI分析按钮样式 */
#ai-analysis-btn {
    display: flex;
    align-items: center;
    gap: 6px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    transition: all 0.3s ease;
    font-size: 14px;
}

#ai-analysis-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.4);
}

#ai-analysis-btn .icon {
    font-size: 16px;
}

/* 统计卡片 */
.stats-container {
    background: var(--bg-card);
    padding: 28px;
    border-radius: 16px;
    margin-bottom: 24px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
}

.stats-summary {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 24px;
    margin-bottom: 28px;
}

.stat-card {
    background: var(--gradient-primary);
    padding: 28px 24px;
    border-radius: 16px;
    color: var(--white);
    position: relative;
    overflow: hidden;
    box-shadow: 0 8px 20px rgba(102, 126, 234, 0.25);
    transition: all 0.3s ease;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -40%;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.15) 0%, transparent 70%);
    pointer-events: none;
}

.stat-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(255,255,255,0.1) 0%, transparent 100%);
    pointer-events: none;
}

.stat-card:nth-child(2) {
    background: var(--gradient-success);
    box-shadow: 0 8px 20px rgba(240, 147, 251, 0.25);
}

.stat-card:nth-child(3) {
    background: var(--gradient-info);
    box-shadow: 0 8px 20px rgba(79, 172, 254, 0.25);
}

.stat-card:nth-child(4) {
    background: var(--gradient-warning);
    box-shadow: 0 8px 20px rgba(67, 233, 123, 0.25);
}

.stat-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 28px rgba(0, 0, 0, 0.15);
}

.stat-label {
    font-size: 15px;
    font-weight: 500;
    opacity: 0.95;
    margin-bottom: 16px;
    position: relative;
    z-index: 1;
    display: flex;
    align-items: center;
    gap: 8px;
}

.stat-label::before {
    content: '';
    width: 4px;
    height: 16px;
    background: rgba(255, 255, 255, 0.6);
    border-radius: 2px;
}

.stat-value {
    font-size: 42px;
    font-weight: 700;
    position: relative;
    z-index: 1;
    letter-spacing: -1px;
    line-height: 1;
}

.stats-specialty h4 {
    font-size: 17px;
    font-weight: 600;
    margin-bottom: 16px;
    color: var(--text-color);
    display: flex;
    align-items: center;
    gap: 8px;
}

.stats-specialty h4::before {
    content: '';
    width: 4px;
    height: 20px;
    background: var(--primary-color);
    border-radius: 2px;
}

.specialty-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.specialty-tag {
    padding: 8px 16px;
    background: var(--bg-card);
    color: var(--text-color);
    border: 2px solid var(--border-color);
    border-radius: 20px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 8px;
    box-shadow: var(--shadow-card);
}

.specialty-tag:hover {
    border-color: var(--primary-color);
    background: var(--primary-color);
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

.specialty-tag-count {
    background: var(--bg-light);
    padding: 2px 8px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 600;
    color: var(--text-secondary);
    transition: all 0.3s ease;
}

.specialty-tag:hover .specialty-tag-count {
    background: rgba(255, 255, 255, 0.2);
    color: var(--white);
}

/* 设备列表 */
.device-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 24px;
    width: 100%;
    min-width: 0;
    box-sizing: border-box;
}

.device-card {
    background: var(--bg-card);
    border-radius: 16px;
    padding: 24px;
    box-shadow: var(--shadow);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    cursor: pointer;
    border: 1px solid var(--border-color);
    position: relative;
    overflow: hidden;
}

.device-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 5px;
    height: 100%;
    background: linear-gradient(180deg, var(--primary-color) 0%, var(--primary-light) 100%);
    opacity: 0;
    transition: opacity 0.2s ease;
}

.device-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--primary-color), transparent);
    opacity: 0;
    transition: opacity 0.2s ease;
}

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

.device-card:hover::before {
    opacity: 1;
}

.device-card:hover::after {
    opacity: 1;
}

.device-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 16px;
    position: relative;
    z-index: 1;
}

.device-name {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-color);
    line-height: 1.4;
    margin-bottom: 8px;
}

.device-code {
    font-size: 13px;
    color: var(--text-light);
    background: var(--bg-light);
    padding: 4px 10px;
    border-radius: 6px;
    display: inline-block;
    font-family: 'Courier New', monospace;
    border: 1px solid var(--border-light);
}

.device-actions {
    display: flex;
    gap: 6px;
    opacity: 0;
    transition: opacity 0.3s ease;
}

/* 设备卡片悬停时显示操作按钮 */
.device-card:hover .device-actions {
    opacity: 1;
}

/* 参数卡片和专业卡片的操作按钮始终可见 */
.parameter-card .device-actions,
.specialty-card .device-actions {
    opacity: 1;
}

.device-actions .btn {
    padding: 6px 12px;
    font-size: 12px;
    border-radius: 6px;
}

.device-info {
    color: var(--text-secondary);
    font-size: 14px;
    line-height: 1.8;
    position: relative;
    z-index: 1;
}

.device-info p {
    display: flex;
    justify-content: space-between;
    padding: 4px 0;
    border-bottom: 1px solid var(--border-light);
}

.device-info p:last-child {
    border-bottom: none;
}

.device-info strong {
    color: var(--text-color);
    font-weight: 500;
}

.device-params {
    margin-top: 16px;
    padding-top: 16px;
    border-top: 2px solid var(--border-light);
    position: relative;
    z-index: 1;
}

.device-params h4 {
    font-size: 14px;
    margin-bottom: 12px;
    color: var(--text-color);
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
}

.device-params h4::before {
    content: '';
    width: 3px;
    height: 16px;
    background: var(--primary-color);
    border-radius: 2px;
}

.param-item {
    display: flex;
    justify-content: space-between;
    font-size: 13px;
    color: var(--text-secondary);
    padding: 6px 0;
    background: var(--bg-light);
    padding: 8px 12px;
    border-radius: 6px;
    margin-bottom: 6px;
}

.param-label {
    flex: 1;
    font-weight: 500;
}

.param-value {
    flex: 1;
    text-align: right;
    font-weight: 600;
    color: var(--text-color);
}

.device-param {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 14px;
    color: var(--text-secondary);
    padding: 8px 12px;
    background: var(--bg-light);
    border-radius: 6px;
    margin-bottom: 6px;
}

.device-param-label {
    font-weight: 500;
    color: var(--text-color);
}

.device-param-value {
    font-weight: 600;
    color: var(--primary-color);
}

/* 分区头部 */
.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.section-header h2 {
    font-size: 20px;
    font-weight: 500;
}

.actions {
    display: flex;
    gap: 8px;
}

/* 搜索框 */
.search-box {
    display: flex;
    gap: 12px;
    margin-bottom: 20px;
}

.search-box input {
    flex: 1;
    padding: 10px 16px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 14px;
    transition: all 0.3s;
    background: var(--white);
}

.search-box input:focus {
    border-color: var(--primary-color);
    outline: none;
    box-shadow: 0 0 0 3px rgba(24, 144, 255, 0.1);
}

.search-box input::placeholder {
    color: #bfbfbf;
}

/* 表格样式 */
.data-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--white);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
}

.data-table th,
.data-table td {
    padding: 14px 16px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.data-table th {
    background: linear-gradient(180deg, #f5f5f5 0%, #ffffff 100%);
    font-weight: 600;
    color: var(--text-color);
    font-size: 14px;
    position: sticky;
    top: 0;
    z-index: 10;
}

.data-table tbody tr {
    transition: all 0.2s ease;
}

.data-table tbody tr:hover {
    background: #fafafa;
    transform: scale(1.01);
}

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

.data-table .actions-cell {
    display: flex;
    gap: 8px;
}

.data-table .actions-cell .btn {
    padding: 4px 12px;
    font-size: 12px;
    border-radius: 4px;
    transition: all 0.2s;
}

.data-table .actions-cell .btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.1);
}

/* 标签页 */
.tabs {
    display: flex;
    gap: 0;
    border-bottom: 2px solid var(--border-color);
    margin-bottom: 24px;
}

.tab-btn {
    padding: 14px 28px;
    background: none;
    border: none;
    border-bottom: 3px solid transparent;
    font-size: 14px;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 500;
    position: relative;
}

.tab-btn::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-color) 0%, #40a9ff 100%);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.tab-btn:hover {
    color: var(--primary-color);
    background: rgba(24, 144, 255, 0.05);
}

.tab-btn.active {
    color: var(--primary-color);
    font-weight: 600;
}

.tab-btn.active::after {
    transform: scaleX(1);
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

/* 参数列表 */
.parameter-list,
.specialty-list,
.user-list {
    background: var(--white);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
}

.parameter-item,
.specialty-item,
.user-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 24px;
    border-bottom: 1px solid var(--border-color);
    transition: all 0.2s ease;
}

.parameter-item:hover,
.specialty-item:hover,
.user-item:hover {
    background: #fafafa;
}

.parameter-item:last-child,
.specialty-item:last-child,
.user-item:last-child {
    border-bottom: none;
}

/* 参数卡片样式（新版） */
.parameter-card,
.specialty-card {
    background: #fff;
    border: 1px solid #e8e8e8;
    border-radius: 8px;
    padding: 20px;
    margin-bottom: 16px;
    transition: all 0.3s ease;
}

.parameter-card:hover,
.specialty-card:hover {
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    border-color: var(--primary-color);
}

.parameter-header,
.specialty-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 1px solid #f0f0f0;
}

.parameter-name,
.specialty-name {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-color);
}

.parameter-code,
.specialty-code {
    font-size: 12px;
    color: var(--text-secondary);
    background: #f5f5f5;
    padding: 4px 10px;
    border-radius: 4px;
}

.parameter-info,
.specialty-info {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 12px;
}

/* 用户卡片样式（新版） */
.user-card {
    background: #fff;
    border: 1px solid #e8e8e8;
    border-radius: 8px;
    padding: 20px;
    margin-bottom: 16px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: all 0.3s ease;
}

.user-card:hover {
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    border-color: var(--primary-color);
}

.user-info {
    display: flex;
    align-items: center;
    gap: 16px;
    flex: 1;
}

.user-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    font-weight: 600;
    flex-shrink: 0;
}

.user-details {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.user-name {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-color);
}

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

.user-role {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 12px;
    font-weight: 500;
    width: fit-content;
}

.user-role.admin {
    background: rgba(245, 34, 45, 0.1);
    color: #f5222d;
}

.user-role.supervisor {
    background: rgba(250, 173, 20, 0.1);
    color: #faad14;
}

.user-role.user {
    background: rgba(82, 196, 26, 0.1);
    color: #52c41a;
}

.user-actions {
    display: flex;
    gap: 8px;
    flex-shrink: 0;
}

.item-info {
    flex: 1;
    display: flex;
    align-items: center;
    gap: 16px;
}

.item-info-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--primary-color) 0%, #40a9ff 100%);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 20px;
    flex-shrink: 0;
}

.specialty-item .item-info-icon {
    background: linear-gradient(135deg, #52c41a 0%, #73d13d 100%);
}

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

.item-info h4 {
    font-size: 16px;
    margin-bottom: 6px;
    color: var(--text-color);
    font-weight: 500;
}

.item-info p {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.5;
}

.item-meta {
    display: flex;
    gap: 12px;
    margin-top: 6px;
}

.item-meta-item {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 12px;
    color: var(--text-secondary);
}

.item-meta-badge {
    padding: 2px 8px;
    background: rgba(24, 144, 255, 0.1);
    color: var(--primary-color);
    border-radius: 4px;
    font-size: 11px;
}

.item-meta-badge.active {
    background: rgba(82, 196, 26, 0.1);
    color: var(--success-color);
}

.item-meta-badge.inactive {
    background: rgba(217, 217, 217, 0.3);
    color: var(--text-secondary);
}

.item-actions {
    display: flex;
    gap: 8px;
    flex-shrink: 0;
}

.item-actions .btn {
    padding: 6px 14px;
    font-size: 13px;
    border-radius: 6px;
    transition: all 0.2s;
}

.item-actions .btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

/* 弹窗 */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    z-index: 1000;
    align-items: center;
    justify-content: center;
}

.modal.active {
    display: flex;
}

.modal-content {
    background: var(--white);
    border-radius: 8px;
    width: 90%;
    max-width: 600px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.25);
    border: 1px solid var(--border-color);
}

.modal-content.large {
    max-width: 800px;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 24px;
    border-bottom: 1px solid var(--border-color);
    position: relative;
}

.modal-header h3 {
    font-size: 18px;
    font-weight: 500;
    margin: 0;
}

.modal-header-actions {
    display: flex;
    align-items: center;
    gap: 10px;
    position: absolute;
    right: 50px;
    z-index: 1;
}

.close-btn {
    background: none;
    border: none;
    font-size: 24px;
    cursor: pointer;
    color: var(--text-secondary);
    padding: 0;
    width: auto;
}

.close-btn:hover {
    color: var(--text-color);
}

.modal-body {
    padding: 24px;
}

.modal-footer {
    padding: 16px 24px;
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: flex-end;
    gap: 10px;
}

/* AI分析样式 */
.ai-analysis-result {
    background: #f8f9fa;
    border: 1px solid #e9ecef;
    border-radius: 8px;
    padding: 20px;
    margin-bottom: 20px;
}

.ai-analysis-result h4 {
    color: #333;
    margin-bottom: 15px;
    border-bottom: 2px solid #4CAF50;
    padding-bottom: 8px;
}

.ai-analysis-result p {
    color: #555;
    line-height: 1.8;
    margin-bottom: 12px;
}

.ai-analysis-result ul {
    color: #555;
    margin-left: 20px;
    line-height: 1.8;
}

.ai-analysis-result li {
    margin-bottom: 8px;
}

.spinner {
    border: 4px solid #f3f3f3;
    border-top: 4px solid #3498db;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    animation: spin 1s linear infinite;
    margin: 0 auto;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* 表单样式 */
.form-group {
    margin-bottom: 16px;
}

.form-row {
    display: flex;
    gap: 16px;
    margin-bottom: 16px;
}

.form-row .form-group {
    flex: 1;
    margin-bottom: 0;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: var(--text-color);
    font-weight: 500;
}

.form-group input[type="text"],
.form-group input[type="password"],
.form-group input[type="email"],
.form-group input[type="number"],
.form-group input[type="date"],
.form-group input[type="datetime-local"],
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 8px 12px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 14px;
    transition: all 0.3s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--primary-color);
    outline: none;
    box-shadow: 0 0 0 2px rgba(24, 144, 255, 0.1);
}

.form-group input[type="checkbox"] {
    width: auto;
    margin-right: 8px;
}

.form-actions {
    display: flex;
    gap: 12px;
    margin-top: 24px;
}

.hint {
    color: var(--text-secondary);
    font-size: 13px;
    margin-top: 8px;
}

/* 设备详情 */
.device-detail {
    display: grid;
    gap: 16px;
}

.detail-section {
    background: #f5f5f5;
    padding: 16px;
    border-radius: 6px;
    border: 1px solid var(--border-color);
}

.detail-section h4 {
    font-size: 15px;
    margin-bottom: 12px;
    color: var(--text-color);
}

.detail-row {
    display: flex;
    justify-content: space-between;
    padding: 8px 0;
    border-bottom: 1px solid var(--border-color);
    font-size: 14px;
}

.detail-row:last-child {
    border-bottom: none;
}

.detail-label {
    color: var(--text-secondary);
}

.detail-value {
    color: var(--text-color);
    font-weight: 500;
}

/* 检修记录列表 */
.maintenance-list-container {
    background: var(--white);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
}

.maintenance-item {
    padding: 20px 24px;
    border-bottom: 1px solid var(--border-color);
    transition: all 0.2s ease;
}

.maintenance-item:hover {
    background: #fafafa;
    transform: translateX(4px);
}

.maintenance-item:last-child {
    border-bottom: none;
}

.maintenance-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
}

.maintenance-title {
    display: flex;
    align-items: center;
    gap: 12px;
}

.maintenance-device {
    font-size: 16px;
    font-weight: 500;
    color: var(--text-color);
}

.maintenance-device-code {
    font-size: 12px;
    color: var(--text-secondary);
    padding: 3px 8px;
    background: #f0f0f0;
    border-radius: 4px;
}

.maintenance-meta {
    display: flex;
    gap: 16px;
    align-items: center;
}

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

.maintenance-type {
    padding: 4px 12px;
    border-radius: 4px;
    font-size: 12px;
    font-weight: 500;
}

.maintenance-type.daily {
    background: rgba(24, 144, 255, 0.1);
    color: var(--primary-color);
}

.maintenance-type.weekly {
    background: rgba(82, 196, 26, 0.1);
    color: var(--success-color);
}

.maintenance-type.monthly {
    background: rgba(250, 173, 20, 0.1);
    color: var(--warning-color);
}

.maintenance-type.yearly {
    background: rgba(245, 34, 45, 0.1);
    color: var(--danger-color);
}

.maintenance-type.emergency {
    background: rgba(255, 77, 79, 0.15);
    color: #ff4d4f;
}

.maintenance-body {
    display: grid;
    gap: 10px;
}

.maintenance-section {
    padding: 12px 16px;
    background: #fafafa;
    border-radius: 6px;
    border-left: 3px solid var(--primary-color);
}

.maintenance-section strong {
    color: var(--text-color);
    font-weight: 500;
    font-size: 13px;
}

.maintenance-section p {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.6;
    margin: 6px 0 0 0;
}

.maintenance-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 14px;
    padding-top: 14px;
    border-top: 1px solid #f0f0f0;
}

.maintenance-specialty {
    font-size: 12px;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 6px;
}

.maintenance-specialty-tag {
    padding: 3px 10px;
    background: rgba(19, 194, 194, 0.1);
    color: var(--info-color);
    border-radius: 4px;
    font-weight: 500;
}

/* 检修记录卡片样式（新版） */
.maintenance-record-card {
    background: #fff;
    border: 1px solid #e8e8e8;
    border-radius: 8px;
    padding: 20px;
    margin-bottom: 16px;
    transition: all 0.3s ease;
}

.maintenance-record-card:hover {
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    border-color: var(--primary-color);
}

.maintenance-record-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 1px solid #f0f0f0;
}

.maintenance-record-header > div {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.maintenance-record-device {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-color);
}

.maintenance-record-device-code {
    font-size: 12px;
    color: var(--text-secondary);
    background: #f5f5f5;
    padding: 2px 8px;
    border-radius: 4px;
    display: inline-block;
    width: fit-content;
}

.maintenance-record-type {
    padding: 6px 12px;
    border-radius: 4px;
    font-size: 13px;
    font-weight: 500;
}

.maintenance-record-type.daily {
    background: rgba(24, 144, 255, 0.1);
    color: #1890ff;
}

.maintenance-record-type.weekly {
    background: rgba(82, 196, 26, 0.1);
    color: #52c41a;
}

.maintenance-record-type.monthly {
    background: rgba(250, 173, 20, 0.1);
    color: #faad14;
}

.maintenance-record-type.yearly {
    background: rgba(245, 34, 45, 0.1);
    color: #f5222d;
}

.maintenance-record-type.emergency {
    background: rgba(255, 77, 79, 0.15);
    color: #ff4d4f;
}

.maintenance-record-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 12px;
    margin-bottom: 16px;
}

.maintenance-record-field {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.maintenance-record-label {
    font-size: 12px;
    color: var(--text-secondary);
    font-weight: 500;
}

.maintenance-record-value {
    font-size: 14px;
    color: var(--text-color);
}

.maintenance-record-content,
.maintenance-record-result {
    padding: 12px;
    background: #fafafa;
    border-radius: 6px;
    margin-bottom: 8px;
    font-size: 14px;
    line-height: 1.6;
    color: var(--text-color);
}

.maintenance-record-content strong,
.maintenance-record-result strong {
    color: var(--text-color);
    font-weight: 600;
    margin-right: 4px;
}

.maintenance-actions {
    display: flex;
    gap: 8px;
}

/* 检修记录详情卡片 */
.maintenance-detail-card {
    background: #fafafa;
    padding: 12px;
    border-radius: 6px;
    margin-top: 8px;
}

.maintenance-meta {
    display: flex;
    gap: 16px;
    font-size: 12px;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.maintenance-meta-item {
    display: flex;
    align-items: center;
    gap: 4px;
}

/* 统计信息 */
.search-stats {
    padding: 14px 20px;
    background: linear-gradient(135deg, #f5f5f5 0%, #ffffff 100%);
    border-radius: 6px;
    margin-bottom: 16px;
    color: var(--text-secondary);
    font-size: 14px;
    border: 1px solid var(--border-color);
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 8px;
}

.search-stats::before {
    content: '📊';
    font-size: 18px;
}

/* 分页 */
.pagination {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-top: 20px;
}

.pagination button {
    padding: 6px 12px;
    border: 1px solid var(--border-color);
    background: var(--white);
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.3s;
}

.pagination button:hover:not(:disabled) {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.pagination button.active {
    background: var(--primary-color);
    color: var(--white);
    border-color: var(--primary-color);
}

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

/* 登录页面 */
#login-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.login-container {
    background: var(--white);
    padding: 40px;
    border-radius: 8px;
    width: 100%;
    max-width: 400px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
}

.login-container h1 {
    text-align: center;
    margin-bottom: 32px;
    color: var(--primary-color);
    font-size: 24px;
    font-weight: 500;
}

.login-container .form-group {
    margin-bottom: 20px;
}

.login-container .form-group label {
    display: block;
    margin-bottom: 8px;
    color: var(--text-color);
    font-weight: 500;
}

.login-container .form-group input {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 14px;
    transition: all 0.3s;
}

.login-container .form-group input:focus {
    border-color: var(--primary-color);
    outline: none;
    box-shadow: 0 0 0 2px rgba(24, 144, 255, 0.1);
}

.login-container .btn {
    width: 100%;
    padding: 12px;
    margin-top: 8px;
}

.error-message {
    color: var(--danger-color);
    text-align: center;
    margin-top: 16px;
    font-size: 14px;
}

/* 日志列表 */
.log-list {
    background: var(--white);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
}

.log-item {
    padding: 18px 24px;
    border-bottom: 1px solid var(--border-color);
    transition: all 0.2s ease;
}

.log-item:hover {
    background: #fafafa;
    transform: translateX(4px);
}

.log-item:last-child {
    border-bottom: none;
}

.log-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
}

.log-title {
    display: flex;
    align-items: center;
    gap: 12px;
}

.log-user {
    font-size: 14px;
    color: var(--text-color);
    font-weight: 500;
}

.log-action {
    padding: 3px 10px;
    border-radius: 4px;
    font-size: 12px;
    background: rgba(24, 144, 255, 0.1);
    color: var(--primary-color);
    font-weight: 500;
}

.log-action.创建 {
    background: rgba(82, 196, 26, 0.1);
    color: var(--success-color);
}

.log-action.编辑 {
    background: rgba(250, 173, 20, 0.1);
    color: var(--warning-color);
}

.log-action.删除 {
    background: rgba(245, 34, 45, 0.1);
    color: var(--danger-color);
}

.log-action.登录 {
    background: rgba(24, 144, 255, 0.1);
    color: var(--primary-color);
}

.log-action.退出 {
    background: rgba(145, 145, 145, 0.1);
    color: #919191;
}

.log-action.查看 {
    background: rgba(19, 194, 194, 0.1);
    color: var(--info-color);
}

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

.log-content {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.6;
    padding-left: 0;
}

/* 日志详细信息 */
.log-details {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    margin-top: 8px;
    padding-top: 8px;
    border-top: 1px solid #f0f0f0;
}

.log-detail-item {
    font-size: 12px;
    color: var(--text-secondary);
}

.log-detail-item strong {
    color: var(--text-color);
}

/* 筛选框样式 */
.filter-box {
    background: linear-gradient(135deg, #ffffff 0%, #f9f9f9 100%);
    padding: 24px;
    border-radius: 8px;
    margin-bottom: 20px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
}

.filter-box .filter-row {
    display: flex;
    gap: 16px;
    margin-bottom: 16px;
}

.filter-box .filter-row:last-child {
    margin-bottom: 0;
}

.filter-box .filter-item {
    flex: 1;
    min-width: 200px;
}

.filter-box .filter-item label {
    display: block;
    margin-bottom: 8px;
    color: var(--text-color);
    font-weight: 500;
    font-size: 13px;
}

.filter-box .filter-input,
.filter-box .filter-select {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 14px;
    transition: all 0.3s;
    background: var(--white);
}

.filter-box .filter-input:focus,
.filter-box .filter-select:focus {
    border-color: var(--primary-color);
    outline: none;
    box-shadow: 0 0 0 3px rgba(24, 144, 255, 0.1);
}

/* 头部操作按钮组 */
.header-actions {
    display: flex;
    gap: 8px;
}

/* 用户列表详细样式 */
.user-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 24px;
    border-bottom: 1px solid var(--border-color);
    transition: all 0.2s ease;
}

.user-item:hover {
    background: #fafafa;
    transform: translateX(4px);
}

.user-item:last-child {
    border-bottom: none;
}

.user-info-card {
    flex: 1;
    display: flex;
    align-items: center;
    gap: 16px;
}

.user-avatar {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 20px;
    font-weight: 600;
    flex-shrink: 0;
}

.user-content {
    flex: 1;
    min-width: 0;
}

.user-name-row {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 8px;
}

.user-realname {
    font-size: 16px;
    font-weight: 500;
    color: var(--text-color);
}

.user-username {
    font-size: 12px;
    color: var(--text-secondary);
    padding: 3px 8px;
    background: #f0f0f0;
    border-radius: 4px;
    font-weight: 500;
}

.user-role-badge {
    padding: 4px 12px;
    border-radius: 4px;
    font-size: 12px;
    font-weight: 500;
}

.user-role-badge.user {
    background: rgba(24, 144, 255, 0.1);
    color: var(--primary-color);
}

.user-role-badge.supervisor {
    background: rgba(250, 173, 20, 0.1);
    color: var(--warning-color);
}

.user-role-badge.admin {
    background: rgba(245, 34, 45, 0.1);
    color: var(--danger-color);
}

.user-details {
    display: flex;
    gap: 20px;
    font-size: 13px;
    color: var(--text-secondary);
    flex-wrap: wrap;
}

.user-detail-item {
    display: flex;
    align-items: center;
    gap: 4px;
}

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

.user-item-actions {
    display: flex;
    gap: 8px;
    flex-shrink: 0;
}

.user-item-actions .btn {
    padding: 6px 14px;
    font-size: 13px;
    border-radius: 6px;
    transition: all 0.2s;
}

.user-item-actions .btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

/* 检修记录列表详细样式 */
.maintenance-list-container {
    background: var(--white);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
}

.maintenance-item {
    padding: 16px 24px;
    border-bottom: 1px solid var(--border-color);
    transition: background 0.2s;
}

.maintenance-item:hover {
    background: #fafafa;
}

.maintenance-item:last-child {
    border-bottom: none;
}

.maintenance-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
}

.maintenance-title {
    display: flex;
    align-items: center;
    gap: 12px;
}

.maintenance-device {
    font-size: 15px;
    font-weight: 500;
    color: var(--text-color);
}

.maintenance-device-code {
    font-size: 12px;
    color: var(--text-secondary);
    padding: 2px 8px;
    background: #f0f0f0;
    border-radius: 4px;
}

.maintenance-meta {
    display: flex;
    gap: 16px;
    align-items: center;
}

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

.maintenance-type {
    padding: 3px 10px;
    border-radius: 4px;
    font-size: 12px;
    font-weight: 500;
}

.maintenance-type.daily {
    background: rgba(24, 144, 255, 0.1);
    color: var(--primary-color);
}

.maintenance-type.weekly {
    background: rgba(82, 196, 26, 0.1);
    color: var(--success-color);
}

.maintenance-type.monthly {
    background: rgba(250, 173, 20, 0.1);
    color: var(--warning-color);
}

.maintenance-type.yearly {
    background: rgba(245, 34, 45, 0.1);
    color: var(--danger-color);
}

.maintenance-type.emergency {
    background: rgba(255, 77, 79, 0.15);
    color: #ff4d4f;
}

.maintenance-body {
    display: grid;
    gap: 8px;
}

.maintenance-section {
    padding: 10px 12px;
    background: #fafafa;
    border-radius: 6px;
}

.maintenance-section strong {
    color: var(--text-color);
    font-weight: 500;
}

.maintenance-section p {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.6;
    margin: 4px 0 0 0;
}

.maintenance-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 12px;
    padding-top: 12px;
    border-top: 1px solid #f0f0f0;
}

.maintenance-specialty {
    font-size: 12px;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 4px;
}

.maintenance-specialty-tag {
    padding: 2px 8px;
    background: rgba(19, 194, 194, 0.1);
    color: var(--info-color);
    border-radius: 4px;
}

.maintenance-actions {
    display: flex;
    gap: 8px;
}

/* 空状态优化 */
.maintenance-list-container .empty-state,
.log-list .empty-state,
.user-list .empty-state,
.parameter-list .empty-state,
.specialty-list .empty-state {
    padding: 80px 20px;
    text-align: center;
}

.empty-state-icon {
    font-size: 72px;
    margin-bottom: 24px;
    opacity: 0.3;
    display: inline-block;
}

.empty-state-text {
    font-size: 18px;
    color: var(--text-secondary);
    margin-bottom: 12px;
    font-weight: 500;
}

.empty-state-hint {
    font-size: 14px;
    color: var(--text-secondary);
    opacity: 0.7;
    max-width: 400px;
    margin: 0 auto;
}

/* 移动端适配 */
@media (max-width: 768px) {
    /* 悬浮导航按钮 */
    .mobile-menu-btn {
        position: fixed;
        top: 88px;
        left: 16px;
        z-index: 999;
        background: linear-gradient(135deg, var(--primary-color) 0%, #40a9ff 100%);
        color: var(--white);
        width: 48px;
        height: 48px;
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 24px;
        box-shadow: 0 4px 12px rgba(24, 144, 255, 0.4);
        padding: 0;
        transition: all 0.3s ease;
    }

    .mobile-menu-btn:hover {
        transform: scale(1.1);
        box-shadow: 0 6px 16px rgba(24, 144, 255, 0.5);
    }

    .mobile-menu-btn:active {
        transform: scale(0.95);
    }

    .sidebar {
        position: fixed;
        left: -224px;
        top: 64px;
        height: calc(100vh - 64px);
        z-index: 99;
        transition: left 0.3s;
    }

    .sidebar.open {
        left: 0;
    }

    .content {
        padding: 16px;
    }

    .filter-row {
        flex-direction: column;
        gap: 12px;
    }

    .filter-item {
        width: 100%;
    }

    .device-list {
        grid-template-columns: 1fr;
    }

    .user-card {
        flex-direction: column;
        align-items: flex-start;
    }

    .user-info {
        width: 100%;
    }

    .user-actions {
        width: 100%;
        flex-wrap: wrap;
        margin-top: 12px;
    }

    .user-actions .btn {
        flex: 1;
        min-width: 80px;
    }

    .maintenance-record-info {
        grid-template-columns: 1fr;
    }

    .main-container {
        flex-direction: column;
    }

    .section-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }

    .actions {
        flex-wrap: wrap;
    }

    .mobile-header-buttons {
        display: flex;
        align-items: center;
    }
}

@media (min-width: 769px) {
    .mobile-header-buttons {
        display: none;
    }

    .mobile-menu-btn {
        display: none;
    }
}

/* 移动端菜单按钮基础样式（仅桌面端使用） */
.mobile-menu-btn {
    background: none;
    border: none;
    font-size: 24px;
    cursor: pointer;
    color: var(--text-color);
    padding: 4px 8px;
}

.sidebar-close-btn {
    display: none;
    background: none;
    border: none;
    font-size: 28px;
    cursor: pointer;
    color: var(--text-color);
    padding: 12px 20px;
    width: 100%;
    text-align: right;
    border-bottom: 1px solid var(--border-color);
}

@media (max-width: 768px) {
    .sidebar-close-btn {
        display: block;
    }
}

/* 扫一扫功能仅在移动端显示 */
.nav-scan-item {
    display: none;
}

@media (max-width: 768px) {
    .nav-scan-item {
        display: flex;
    }
}

/* 扫码模态框样式 */
.scan-modal-content {
    max-width: 600px;
}

#qr-reader {
    background: #000;
    border-radius: 8px;
    overflow: hidden;
}

#qr-reader video {
    width: 100% !important;
    object-fit: cover;
}

.scan-hint {
    text-align: center;
    color: var(--text-secondary);
    margin: 15px 0;
    font-size: 14px;
}

.scan-actions {
    display: flex;
    gap: 10px;
    justify-content: center;
    flex-wrap: wrap;
}

/* 加载状态 */
.loading {
    text-align: center;
    padding: 40px;
    color: var(--text-secondary);
}

.loading::after {
    content: '...';
    animation: dots 1.5s infinite;
}

@keyframes dots {
    0%, 20% {
        content: '.';
    }
    40% {
        content: '..';
    }
    60%, 100% {
        content: '...';
    }
}

/* 空状态 */
.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-secondary);
}

.empty-state-icon {
    font-size: 48px;
    margin-bottom: 16px;
    opacity: 0.5;
}

.empty-state-text {
    font-size: 16px;
}

/* 权限设备列表 */
#permission-device-list {
    display: grid;
    gap: 12px;
}

.permission-device-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 16px;
    background: #f5f5f5;
    border-radius: 6px;
    border: 1px solid var(--border-color);
}

.permission-device-info {
    flex: 1;
}

.permission-device-name {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-color);
    margin-bottom: 4px;
}

.permission-device-code {
    font-size: 12px;
    color: var(--text-secondary);
}

.permission-device-toggle {
    width: 44px;
    height: 22px;
    background: #ccc;
    border-radius: 11px;
    position: relative;
    cursor: pointer;
    transition: background 0.3s;
}

.permission-device-toggle.active {
    background: var(--success-color);
}

.permission-device-toggle::after {
    content: '';
    position: absolute;
    width: 18px;
    height: 18px;
    background: var(--white);
    border-radius: 50%;
    top: 2px;
    left: 2px;
    transition: left 0.3s;
}

.permission-device-toggle.active::after {
    left: 24px;
}

/* 二维码扫描 */
#scanner-container {
    width: 100%;
    max-width: 400px;
    margin: 0 auto;
    position: relative;
}

#scanner-video {
    width: 100%;
    border-radius: 8px;
}

#scanner-overlay {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 200px;
    height: 200px;
    border: 2px solid var(--success-color);
    border-radius: 8px;
    pointer-events: none;
}

#scanner-result {
    margin-top: 16px;
    padding: 12px;
    background: var(--success-color);
    color: var(--white);
    border-radius: 4px;
    text-align: center;
    display: none;
}

#scanner-result.show {
    display: block;
}

/* 动画 */
@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateX(-20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

.parameter-item,
.specialty-item,
.user-item,
.maintenance-item,
.log-item {
    animation: slideIn 0.3s ease-out;
}

/* 滚动条美化 */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: #f0f0f0;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, #bfbfbf 0%, #999 100%);
    border-radius: 4px;
    transition: all 0.3s;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(180deg, #999 0%, #666 100%);
}

/* 列表项动画（简化版） */
.device-list {
    counter-reset: device-counter;
}

/* 列表容器渐变背景效果 */
.maintenance-list-container,
.log-list,
.user-list,
.parameter-list,
.specialty-list {
    position: relative;
    background: linear-gradient(180deg, #ffffff 0%, #fafafa 100%);
}

/* 分页按钮美化 */
.pagination button {
    font-weight: 500;
}

.pagination button:hover:not(:disabled):not(.active) {
    background: rgba(24, 144, 255, 0.05);
    border-color: var(--primary-color);
    color: var(--primary-color);
}

/* 导入进度条样式 */
.progress-bar-container {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-top: 8px;
}

.progress-bar {
    flex: 1;
    height: 24px;
    background-color: var(--border-light);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.1);
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-light) 0%, var(--primary-color) 100%);
    border-radius: 12px;
    transition: width 0.3s ease;
    position: relative;
}

.progress-fill::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(
        90deg,
        rgba(255, 255, 255, 0) 0%,
        rgba(255, 255, 255, 0.3) 50%,
        rgba(255, 255, 255, 0) 100%
    );
    animation: shimmer 2s infinite;
}

@keyframes shimmer {
    0% {
        transform: translateX(-100%);
    }
    100% {
        transform: translateX(100%);
    }
}

/* 定期工作列表样式 */
.periodic-work-item {
    background: #fff;
    border: 1px solid var(--border-light);
    border-radius: 8px;
    padding: 16px;
    margin-bottom: 12px;
    transition: all 0.3s ease;
}

.periodic-work-item:hover {
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    border-color: var(--primary-light);
}

.periodic-work-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 12px;
    gap: 12px;
}

.periodic-work-title-row {
    display: flex;
    align-items: center;
    gap: 8px;
    flex: 1;
    min-width: 0;
}

.periodic-work-task-name {
    font-size: 16px;
    font-weight: 600;
    color: #333;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.periodic-work-overdue-tag {
    background: #ffebee;
    color: #c62828;
    padding: 2px 8px;
    border-radius: 10px;
    font-size: 12px;
    font-weight: 500;
    white-space: nowrap;
}

.periodic-work-status {
    flex-shrink: 0;
}

.status-badge {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 13px;
    font-weight: 500;
    white-space: nowrap;
}

.periodic-work-info-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
    margin-bottom: 12px;
}

.periodic-work-info-item {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.periodic-work-info-label {
    font-size: 12px;
    color: #999;
    font-weight: 500;
}

.periodic-work-info-value {
    font-size: 14px;
    color: #333;
    word-break: break-all;
}

.periodic-work-content-section {
    margin-bottom: 10px;
}

.periodic-work-content-section:last-child {
    margin-bottom: 0;
}

.periodic-work-content-title {
    font-size: 13px;
    font-weight: 600;
    color: #666;
    margin-bottom: 6px;
}

.periodic-work-content-text {
    font-size: 14px;
    color: #333;
    line-height: 1.5;
    background: #f9f9f9;
    padding: 10px 12px;
    border-radius: 6px;
    border-left: 3px solid var(--primary-light);
}

/* 响应式设计 - 平板和移动端 */
@media (max-width: 768px) {
    .periodic-work-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .periodic-work-title-row {
        width: 100%;
    }

    .periodic-work-status {
        width: 100%;
        display: flex;
        justify-content: flex-start;
    }

    .periodic-work-info-grid {
        grid-template-columns: 1fr;
    }
}

/* 响应式设计 - 小屏幕手机 */
@media (max-width: 480px) {
    .periodic-work-item {
        padding: 12px;
        border-radius: 6px;
    }

    .periodic-work-task-name {
        font-size: 15px;
    }

    .periodic-work-info-item {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
    }

    .periodic-work-info-label {
        min-width: 60px;
    }

    .periodic-work-content-text {
        font-size: 13px;
        padding: 8px 10px;
    }

    .periodic-work-timeline {
        font-size: 12px;
    }
}

/* 执行内容和工作内容显示样式 */
.work-content-display {
    background: #f5f5f5;
    padding: 10px;
    border-radius: 4px;
    white-space: pre-wrap;
    word-wrap: break-word;
    font-size: 14px;
    line-height: 1.6;
    margin-top: 5px;
}

/* 时间线样式 */
.periodic-work-timeline {
    font-size: 12px;
    color: #999;
    margin-bottom: 10px;
    padding: 6px 12px;
    background: #f5f5f5;
    border-radius: 4px;
    border-left: 3px solid var(--primary-light);
}

/* 定期工作操作按钮 */
.periodic-work-actions {
    display: flex;
    gap: 10px;
    margin-top: 15px;
    padding-top: 15px;
    border-top: 1px solid #eee;
}

.periodic-work-actions .action-btn {
    padding: 6px 16px;
    font-size: 13px;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.2s ease;
    border: none;
    color: white;
    flex-shrink: 0;
}

.periodic-work-actions .action-btn:hover {
    opacity: 0.9;
    transform: translateY(-1px);
}

.periodic-work-actions .action-btn.btn-primary {
    background: var(--primary-color);
}

.periodic-work-actions .action-btn.btn-success {
    background: #4CAF50;
}

/* 响应式设计 - 定期工作操作按钮 */
@media (max-width: 768px) {
    .periodic-work-actions {
        flex-direction: column;
        gap: 8px;
    }

    .periodic-work-actions .action-btn {
        width: 100%;
    }
}

/* 已验收任务的特殊样式 */
.periodic-work-item.approved-item {
    background: #f9fff9;
    border-left-color: #4CAF50;
}

.periodic-work-item.approved-item .status-badge {
    background: #e8f5e9;
    color: #388E3C;
}

.progress-text {
    min-width: 45px;
    text-align: right;
    font-weight: 600;
    color: var(--primary-color);
    font-size: 14px;
}

#import-progress-container p {
    margin-top: 12px;
    font-size: 13px;
}

#do-import-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

/* 滚动加载容器样式 */
.load-more-container {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
    margin-top: 10px;
    text-align: center;
    cursor: pointer;
    user-select: none;
    transition: background-color 0.2s;
}

.load-more-container:hover {
    background-color: rgba(0, 0, 0, 0.05);
    border-radius: 4px;
}

.loading-spinner {
    color: var(--primary-color);
    font-size: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.loading-spinner::before {
    content: '';
    display: inline-block;
    width: 16px;
    height: 16px;
    border: 2px solid var(--primary-color);
    border-top-color: transparent;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

.error-message {
    color: var(--danger-color);
    font-size: 14px;
    padding: 10px;
    background: #fff2f0;
    border-radius: 4px;
    border: 1px solid #ffccc7;
}

/* 设备网格样式 */
.device-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 16px;
    margin-top: 16px;
}

.device-card-small {
    background: var(--bg-card);
    border-radius: 8px;
    padding: 16px;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
}

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

.device-card-small h4 {
    margin-bottom: 12px;
    color: var(--text-color);
    font-size: 16px;
    font-weight: 600;
}

.device-card-small p {
    margin-bottom: 8px;
    color: var(--text-secondary);
    font-size: 13px;
    line-height: 1.6;
}

.device-card-small strong {
    color: var(--text-color);
}

.device-card-actions {
    margin-top: 12px;
    text-align: right;
}

/* 定期工作检索优化样式 */
.quick-stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 16px;
    margin-bottom: 24px;
}

.quick-stat-card {
    background: var(--bg-card);
    border-radius: 12px;
    padding: 20px;
    box-shadow: var(--shadow);
    display: flex;
    align-items: center;
    gap: 16px;
    cursor: pointer;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

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

.stat-icon {
    width: 56px;
    height: 56px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    flex-shrink: 0;
}

.stat-icon.overdue-icon {
    background: linear-gradient(135deg, #ff6b6b 0%, #ee5a5a 100%);
}

.stat-icon.pending-icon {
    background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
}

.stat-icon.device-icon {
    background: linear-gradient(135deg, #43e97b 0%, #38f9d7 100%);
}

.stat-icon.export-icon {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.stat-content {
    flex: 1;
    min-width: 0;
}

.stat-content h4 {
    margin: 0 0 8px 0;
    color: var(--text-color);
    font-size: 15px;
    font-weight: 600;
}

.stat-count {
    margin: 0 0 4px 0;
    color: var(--primary-color);
    font-size: 28px;
    font-weight: 700;
    line-height: 1;
}

.stat-label {
    display: block;
    color: var(--text-light);
    font-size: 12px;
}

/* 专业快速筛选 */
.specialty-quick-filter {
    background: var(--bg-card);
    border-radius: 12px;
    padding: 20px;
    margin-bottom: 24px;
    box-shadow: var(--shadow);
}

.specialty-quick-filter h4 {
    margin: 0 0 16px 0;
    color: var(--text-color);
    font-size: 16px;
    font-weight: 600;
}

.specialty-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.specialty-quick-btn {
    padding: 10px 20px;
    border: 2px solid var(--border-color);
    background: var(--bg-card);
    color: var(--text-color);
    border-radius: 8px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
}

.specialty-quick-btn:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.specialty-quick-btn.active {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: var(--white);
}

/* 高级筛选区域 */
.advanced-filter-section {
    background: var(--bg-card);
    border-radius: 12px;
    margin-bottom: 24px;
    box-shadow: var(--shadow);
    overflow: hidden;
}

.filter-toggle {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    background: var(--bg-card);
    cursor: pointer;
    transition: all 0.3s ease;
}

.filter-toggle:hover {
    background: var(--bg-light);
}

.filter-toggle span:first-child {
    font-size: 15px;
    font-weight: 600;
    color: var(--text-color);
}

.toggle-icon {
    font-size: 14px;
    color: var(--text-light);
    transition: transform 0.3s ease;
}

.filter-content {
    padding: 20px;
    border-top: 1px solid var(--border-color);
    animation: slideDown 0.3s ease;
}

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