/* 全局样式 */
:root {
    --primary-color: #2c3e50;
    --primary-light: #34495e;
    --secondary-color: #3498db;
    --success-color: #27ae60;
    --warning-color: #f39c12;
    --danger-color: #e74c3c;
    --light-color: #ecf0f1;
    --dark-color: #2c3e50;
    --text-color: #333;
    --text-light: #666;
    --border-color: #ddd;
    --shadow: 0 2px 10px rgba(0,0,0,0.1);
    --sidebar-width: 250px;
    --header-height: 60px;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #f5f7fa;
    color: var(--text-color);
    line-height: 1.6;
}

/* 容器布局 */
.container {
    display: flex;
    min-height: 100vh;
}

/* 侧边栏样式 */
.sidebar {
    width: var(--sidebar-width);
    background-color: var(--primary-color);
    color: white;
    position: fixed;
    height: 100vh;
    overflow-y: auto;
    transition: all 0.3s ease;
    z-index: 1000;
}

.sidebar-header {
    padding: 20px;
    text-align: center;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.sidebar-header h2 {
    font-size: 1.2rem;
    font-weight: 600;
}

.nav-menu {
    list-style: none;
    padding: 10px 0;
}

.nav-item {
    margin: 5px 10px;
}

.nav-item a {
    display: flex;
    align-items: center;
    padding: 12px 15px;
    color: rgba(255,255,255,0.8);
    text-decoration: none;
    border-radius: 5px;
    transition: all 0.3s ease;
}

.nav-item a:hover {
    background-color: rgba(255,255,255,0.1);
    color: white;
}

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

.nav-item i {
    margin-right: 10px;
    width: 20px;
    text-align: center;
}

/* 主内容区 */
.main-content {
    margin-left: var(--sidebar-width);
    flex: 1;
    display: flex;
    flex-direction: column;
}

/* 顶部导航栏 */
.top-header {
    height: var(--header-height);
    background-color: white;
    box-shadow: var(--shadow);
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 20px;
    position: sticky;
    top: 0;
    z-index: 999;
}

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

.menu-toggle {
    background: none;
    border: none;
    font-size: 1.2rem;
    cursor: pointer;
    margin-right: 15px;
    color: var(--text-color);
}

.header-right {
    display: flex;
    align-items: center;
    gap: 20px;
}

.user-info {
    display: flex;
    align-items: center;
    gap: 8px;
}

.btn-icon {
    background: none;
    border: none;
    font-size: 1.1rem;
    cursor: pointer;
    color: var(--text-light);
}

/* 页面内容容器 */
.page-container {
    padding: 20px;
    flex: 1;
}

.page {
    display: none;
}

.page.active {
    display: block;
}

/* 卡片样式 */
.card {
    background-color: white;
    border-radius: 8px;
    box-shadow: var(--shadow);
    margin-bottom: 20px;
    overflow: hidden;
}

.card-header {
    padding: 15px 20px;
    border-bottom: 1px solid var(--border-color);
}

.card-header h3 {
    font-size: 1.1rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
}

.card-body {
    padding: 20px;
}

/* 仪表盘网格 */
.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
}

/* 统计卡片 */
.stat-cards {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
}

.stat-card {
    text-align: center;
    padding: 15px;
    border-radius: 8px;
    background-color: #f8f9fa;
}

.stat-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 5px;
}

.stat-label {
    font-size: 0.9rem;
    color: var(--text-light);
    margin-bottom: 5px;
}

.stat-change {
    font-size: 0.8rem;
    font-weight: 600;
}

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

.stat-change.negative {
    color: var(--danger-color);
}

/* 成就统计 */
.achievement-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 15px;
    margin-bottom: 20px;
}

.achievement-item {
    text-align: center;
}

.achievement-value {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--success-color);
}

.achievement-label {
    font-size: 0.9rem;
    color: var(--text-light);
}

/* 进度条 */
.progress-bars {
    margin-top: 15px;
}

.progress-item {
    margin-bottom: 10px;
}

.progress-label {
    display: flex;
    justify-content: space-between;
    margin-bottom: 5px;
    font-size: 0.9rem;
}

.progress-bar {
    height: 8px;
    background-color: #e9ecef;
    border-radius: 4px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background-color: var(--secondary-color);
    border-radius: 4px;
    transition: width 0.5s ease;
}

/* 活动列表 */
.activity-list {
    list-style: none;
}

.activity-item {
    display: flex;
    align-items: center;
    padding: 10px 0;
    border-bottom: 1px solid var(--border-color);
}

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

.activity-icon {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background-color: rgba(52, 152, 219, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 12px;
    color: var(--secondary-color);
}

.activity-content {
    flex: 1;
}

.activity-title {
    font-weight: 500;
    margin-bottom: 2px;
}

.activity-time {
    font-size: 0.8rem;
    color: var(--text-light);
}

/* 快速操作按钮 */
.action-buttons {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
}

.action-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 15px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background-color: white;
    cursor: pointer;
    transition: all 0.3s ease;
}

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

.action-btn i {
    font-size: 1.5rem;
    margin-bottom: 8px;
}

/* 页面头部 */
.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.page-header h2 {
    font-size: 1.5rem;
    font-weight: 600;
}

.page-actions {
    display: flex;
    gap: 10px;
}

/* 按钮样式 */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 8px 16px;
    border: none;
    border-radius: 5px;
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    gap: 6px;
}

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

.btn-primary:hover {
    background-color: #2980b9;
}

.btn-secondary {
    background-color: var(--light-color);
    color: var(--text-color);
}

.btn-secondary:hover {
    background-color: #dce1e5;
}

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

.btn-danger:hover {
    background-color: #c0392b;
}

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

.btn-outline:hover {
    background-color: var(--light-color);
}

/* 成本分类标签 */
.category-tabs {
    display: flex;
    gap: 5px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.tab-btn {
    padding: 8px 16px;
    border: 1px solid var(--border-color);
    border-radius: 20px;
    background-color: white;
    cursor: pointer;
    transition: all 0.3s ease;
}

.tab-btn.active {
    background-color: var(--secondary-color);
    color: white;
    border-color: var(--secondary-color);
}

.tab-btn:hover:not(.active) {
    background-color: var(--light-color);
}

/* 数据表格 */
.data-table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 15px;
}

.data-table th,
.data-table td {
    padding: 12px 15px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.data-table th {
    background-color: #f8f9fa;
    font-weight: 600;
    position: sticky;
    top: 0;
}

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

/* 分页 */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 15px;
    margin-top: 20px;
}

.page-info {
    font-size: 0.9rem;
    color: var(--text-light);
}

/* 降本增效统计 */
.reduction-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-bottom: 20px;
}

.reduction-stats .stat-card {
    display: flex;
    align-items: center;
    padding: 20px;
    background-color: white;
    border-radius: 8px;
    box-shadow: var(--shadow);
}

.stat-icon {
    width: 50px;
    height: 50px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-right: 15px;
}

.stat-icon:nth-child(1) {
    background-color: rgba(52, 152, 219, 0.1);
    color: var(--secondary-color);
}

.stat-icon:nth-child(2) {
    background-color: rgba(39, 174, 96, 0.1);
    color: var(--success-color);
}

.stat-icon:nth-child(3) {
    background-color: rgba(243, 156, 18, 0.1);
    color: var(--warning-color);
}

.stat-icon:nth-child(4) {
    background-color: rgba(231, 76, 60, 0.1);
    color: var(--danger-color);
}

.stat-info .stat-value {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary-color);
}

.stat-info .stat-label {
    color: var(--text-light);
}

/* 筛选器 */
.measures-filters {
    display: flex;
    gap: 15px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.measures-filters select,
.measures-filters input {
    padding: 8px 12px;
    border: 1px solid var(--border-color);
    border-radius: 5px;
    font-size: 0.9rem;
}

.measures-filters input {
    flex: 1;
    min-width: 200px;
}

/* 措施列表 */
.measures-list {
    display: grid;
    gap: 15px;
}

.measure-card {
    background-color: white;
    border-radius: 8px;
    padding: 20px;
    box-shadow: var(--shadow);
    border-left: 4px solid var(--secondary-color);
}

.measure-card.planning {
    border-left-color: var(--warning-color);
}

.measure-card.in-progress {
    border-left-color: var(--secondary-color);
}

.measure-card.completed {
    border-left-color: var(--success-color);
}

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

.measure-title {
    font-size: 1.1rem;
    font-weight: 600;
}

.measure-status {
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 0.8rem;
    font-weight: 500;
}

.status-planning {
    background-color: rgba(243, 156, 18, 0.1);
    color: var(--warning-color);
}

.status-in-progress {
    background-color: rgba(52, 152, 219, 0.1);
    color: var(--secondary-color);
}

.status-completed {
    background-color: rgba(39, 174, 96, 0.1);
    color: var(--success-color);
}

.measure-meta {
    display: flex;
    gap: 20px;
    margin-bottom: 10px;
    font-size: 0.9rem;
    color: var(--text-light);
}

.measure-description {
    margin-bottom: 15px;
    color: var(--text-color);
}

.measure-progress {
    margin-top: 10px;
}

/* 报表类型选择 */
.report-types {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-bottom: 20px;
}

.report-type-card {
    background-color: white;
    border-radius: 8px;
    padding: 20px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: var(--shadow);
}

.report-type-card.active {
    border: 2px solid var(--secondary-color);
}

.report-type-card:hover {
    transform: translateY(-3px);
}

.report-icon {
    font-size: 2rem;
    color: var(--secondary-color);
    margin-bottom: 10px;
}

.report-type-card h3 {
    font-size: 1rem;
    margin-bottom: 5px;
}

.report-type-card p {
    font-size: 0.8rem;
    color: var(--text-light);
}

/* 图表容器 */
.chart-container {
    background-color: white;
    border-radius: 8px;
    box-shadow: var(--shadow);
    overflow: hidden;
}

.chart-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
    border-bottom: 1px solid var(--border-color);
}

.chart-header h3 {
    font-size: 1.1rem;
}

.chart-controls select {
    padding: 6px 10px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
}

.chart-body {
    padding: 20px;
    height: 400px;
}

/* 数据管理统计 */
.data-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-bottom: 30px;
}

.data-stat-card {
    display: flex;
    align-items: center;
    background-color: white;
    border-radius: 8px;
    padding: 20px;
    box-shadow: var(--shadow);
}

.data-stat-card .stat-icon {
    background-color: rgba(52, 152, 219, 0.1);
    color: var(--secondary-color);
}

/* 数据操作 */
.data-operations {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.operation-card {
    background-color: white;
    border-radius: 8px;
    padding: 25px;
    box-shadow: var(--shadow);
}

.operation-card h3 {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 10px;
    font-size: 1.2rem;
}

.operation-card p {
    color: var(--text-light);
    margin-bottom: 20px;
}

.import-options,
.export-options {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.form-group {
    margin-bottom: 15px;
}

.form-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: 500;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 8px 12px;
    border: 1px solid var(--border-color);
    border-radius: 5px;
    font-size: 0.9rem;
}

.form-row {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
}

.file-upload {
    display: flex;
    align-items: center;
    gap: 10px;
}

/* 模态框样式 */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.5);
    z-index: 2000;
    align-items: center;
    justify-content: center;
}

.modal.active {
    display: flex;
}

.modal-content {
    background-color: white;
    border-radius: 8px;
    width: 90%;
    max-width: 600px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 5px 30px rgba(0,0,0,0.3);
}

.modal-small {
    max-width: 400px;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
    border-bottom: 1px solid var(--border-color);
}

.modal-header h3 {
    font-size: 1.2rem;
}

.modal-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-light);
}

.modal-body {
    padding: 20px;
}

.form-actions {
    display: flex;
    justify-content: flex-end;
    gap: 10px;
    margin-top: 20px;
}

/* 通知提示 */
.notification {
    position: fixed;
    top: 20px;
    right: 20px;
    background-color: white;
    border-radius: 8px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.2);
    padding: 15px 20px;
    display: flex;
    align-items: center;
    gap: 10px;
    z-index: 3000;
    transform: translateX(120%);
    transition: transform 0.3s ease;
}

.notification.active {
    transform: translateX(0);
}

.notification.success .notification-icon {
    color: var(--success-color);
}

.notification.error .notification-icon {
    color: var(--danger-color);
}

/* 响应式设计 */
@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
    }
    
    .sidebar.active {
        transform: translateX(0);
    }
    
    .main-content {
        margin-left: 0;
    }
    
    .stat-cards {
        grid-template-columns: 1fr;
    }
    
    .achievement-stats {
        grid-template-columns: 1fr;
    }
    
    .reduction-stats {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .report-types {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .data-operations {
        grid-template-columns: 1fr;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
}

/* ========== 登录页面样式 ========== */
.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #1a2a3a 0%, #2c3e50 50%, #34495e 100%);
    padding: 20px;
}

.login-container {
    background: white;
    border-radius: 12px;
    box-shadow: 0 15px 50px rgba(0,0,0,0.3);
    width: 100%;
    max-width: 420px;
    overflow: hidden;
}

.login-header {
    background: var(--primary-color);
    color: white;
    padding: 35px 30px;
    text-align: center;
}

.login-header h1 {
    font-size: 1.6rem;
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.login-header p {
    font-size: 0.95rem;
    opacity: 0.8;
}

.login-form {
    padding: 30px;
}

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

.login-form .form-group label {
    display: block;
    margin-bottom: 6px;
    font-weight: 500;
    color: var(--text-color);
    font-size: 0.9rem;
}

.login-form .form-group label i {
    margin-right: 6px;
    color: var(--text-light);
    width: 16px;
    text-align: center;
}

.login-form .form-group input[type="text"],
.login-form .form-group input[type="password"] {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 0.95rem;
    transition: border-color 0.3s;
}

.login-form .form-group input:focus {
    outline: none;
    border-color: var(--secondary-color);
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.15);
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.9rem;
    color: var(--text-light);
    cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
    width: 16px;
    height: 16px;
    cursor: pointer;
}

.btn-block {
    width: 100%;
    padding: 12px;
    font-size: 1rem;
}

.login-error {
    display: none;
    color: var(--danger-color);
    text-align: center;
    margin-top: 15px;
    font-size: 0.9rem;
    padding: 8px;
    background: rgba(231, 76, 60, 0.08);
    border-radius: 5px;
}

.login-error.show {
    display: block;
}

/* ========== 用户角色标签 ========== */
.user-role {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 10px;
    font-size: 0.7rem;
    font-weight: 600;
    margin-left: 6px;
}

.user-role.admin {
    background: rgba(231, 76, 60, 0.15);
    color: var(--danger-color);
}

.user-role.manager {
    background: rgba(243, 156, 18, 0.15);
    color: var(--warning-color);
}

.user-role.operator {
    background: rgba(52, 152, 219, 0.15);
    color: var(--secondary-color);
}

.user-role.viewer {
    background: rgba(39, 174, 96, 0.15);
    color: var(--success-color);
}

/* ========== 用户管理页面 ========== */
.user-list-container {
    background: white;
    border-radius: 8px;
    box-shadow: var(--shadow);
    overflow: hidden;
}

.user-list-container .data-table {
    margin-bottom: 0;
}

.user-status {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 12px;
    font-size: 0.8rem;
    font-weight: 500;
}

.user-status.active {
    background: rgba(39, 174, 96, 0.12);
    color: var(--success-color);
}

.user-status.disabled {
    background: rgba(231, 76, 60, 0.12);
    color: var(--danger-color);
}

/* ========== 权限复选框组 ========== */
.permission-group {
    margin-top: 5px;
}

.permission-group > label {
    font-weight: 600;
    margin-bottom: 10px;
    display: block;
}

.permission-checkboxes {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 8px;
    padding: 12px;
    background: #f8f9fa;
    border-radius: 6px;
    border: 1px solid var(--border-color);
}

.permission-checkboxes .checkbox-label {
    padding: 6px 10px;
    background: white;
    border-radius: 4px;
    border: 1px solid var(--border-color);
    transition: all 0.2s;
}

.permission-checkboxes .checkbox-label:hover {
    border-color: var(--secondary-color);
}

.permission-checkboxes .checkbox-label:has(input:checked) {
    background: rgba(52, 152, 219, 0.08);
    border-color: var(--secondary-color);
    color: var(--secondary-color);
    font-weight: 500;
}

/* ========== 权限控制显示/隐藏 ========== */
.no-permission {
    display: none !important;
}