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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen',
        'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue',
        sans-serif;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    background: #f5f5f5;
    height: 100vh;
    overflow: hidden;
}

.hidden {
    display: none !important;
}

.app-container {
    display: flex;
    height: 100vh;
}

/* 侧边栏 */
.sidebar {
    width: 250px;
    background: linear-gradient(180deg, #667eea 0%, #764ba2 100%);
    color: white;
    display: flex;
    flex-direction: column;
    box-shadow: 2px 0 10px rgba(0, 0, 0, 0.1);
}

.sidebar-header {
    padding: 24px 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}

.sidebar-header h1 {
    font-size: 20px;
    font-weight: 600;
}

.sidebar-nav {
    flex: 1;
    padding: 20px 0;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
}

.nav-group {
    display: flex;
    flex-direction: column;
}

.nav-divider {
    height: 1px;
    background: rgba(255, 255, 255, 0.2);
    margin: 12px 20px;
    flex-shrink: 0;
}

.nav-item {
    width: 100%;
    padding: 16px 20px;
    background: transparent;
    border: none;
    color: rgba(255, 255, 255, 0.8);
    text-align: left;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 12px;
    transition: all 0.3s ease;
    font-size: 15px;
}

.nav-item-link {
    opacity: 0.9;
}

.nav-item-link:hover {
    opacity: 1;
}

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

.nav-item.active {
    background: rgba(255, 255, 255, 0.2);
    color: white;
    font-weight: 600;
}

.nav-icon {
    font-size: 20px;
    width: 24px;
    text-align: center;
}

.sidebar-footer {
    padding: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.btn-language-switch {
    width: 100%;
    padding: 10px;
    background: rgba(255, 255, 255, 0.15);
    border: 1px solid rgba(255, 255, 255, 0.25);
    border-radius: 8px;
    color: white;
    font-size: 13px;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.btn-language-switch:hover {
    background: rgba(255, 255, 255, 0.25);
}

.btn-logout {
    width: 100%;
    padding: 12px;
    background: rgba(255, 255, 255, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 8px;
    color: white;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-logout:hover {
    background: rgba(255, 255, 255, 0.3);
}

/* 主内容区 */
.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    background: #f5f5f5;
}

.content-section {
    display: none;
    flex: 1;
    flex-direction: column;
    overflow: hidden;
    padding: 24px;
}

.content-section.active {
    display: flex;
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
}

.section-header h2 {
    font-size: 24px;
    font-weight: 600;
    color: #333;
}

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

.section-content-wrapper {
    flex: 1;
    display: flex;
    flex-direction: column;
    background: white;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    min-height: 0;
}

.section-content {
    flex: 1;
    overflow-y: auto;
    padding: 24px;
    display: flex;
    flex-direction: column;
    min-height: 0;
}

/* 标签页 */
.tabs {
    display: flex;
    gap: 8px;
    margin: 0;
    border-bottom: 2px solid #e0e0e0;
    background: white;
    padding: 0 24px;
    flex-shrink: 0;
    position: sticky;
    top: 0;
    z-index: 10;
    border-radius: 8px 8px 0 0;
}

.tab-btn {
    padding: 12px 24px;
    background: transparent;
    border: none;
    border-bottom: 2px solid transparent;
    color: #666;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-bottom: -2px;
}

.tab-btn:hover {
    color: #667eea;
}

.tab-btn.active {
    color: #667eea;
    border-bottom-color: #667eea;
    font-weight: 600;
}

.tab-content {
    display: none;
    flex: 1;
    min-height: 0;
    overflow: visible;
}

.tab-content.active {
    display: flex;
    flex-direction: column;
}

/* 项目列表容器 */
#projects-list {
    display: flex;
    flex-direction: column;
    flex: 1;
    min-height: 0;
}

/* 项目详情页容器 */
#project-detail-container {
    display: none;
    flex-direction: column;
    flex: 1;
    min-height: 0;
    overflow-y: auto;
}

/* 过滤栏 */
.filter-bar {
    display: flex;
    gap: 12px;
    margin-bottom: 20px;
    align-items: center;
}

.form-control {
    padding: 10px 14px;
    border: 2px solid #e0e0e0;
    border-radius: 6px;
    font-size: 14px;
    transition: all 0.3s ease;
    min-width: 200px;
}

.form-control:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

/* 表格容器 - 统一样式 */
.table-container {
    overflow-x: auto;
    overflow-y: auto;
    position: relative;
    flex: 1;
    min-height: 0;
    max-height: calc(100vh - 200px);
}

/* 表格基础样式 */
.data-table {
    width: 100%;
    border-collapse: collapse;
}

.data-table thead {
    background: #f8f9fa;
    position: sticky;
    top: 0;
    z-index: 5;
}

.data-table th {
    padding: 12px;
    text-align: left;
    font-weight: 600;
    font-size: 13px;
    color: #666;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-bottom: 2px solid #e0e0e0;
    background: #f8f9fa;
    position: sticky;
    top: 0;
    z-index: 5;
    box-shadow: 0 2px 2px -1px rgba(0, 0, 0, 0.1);
}

.data-table td {
    padding: 14px 12px;
    border-bottom: 1px solid #e0e0e0;
    font-size: 14px;
    color: #333;
}

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

.data-table td.loading {
    text-align: center;
    color: #999;
    padding: 40px;
    font-style: italic;
}

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

.btn-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

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

.btn-secondary {
    background: #6c757d;
    color: white;
}

.btn-secondary:hover {
    background: #5a6268;
}

.btn-success {
    background: #28a745;
    color: white;
}

.btn-success:hover {
    background: #218838;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(40, 167, 69, 0.4);
}

.btn-info {
    background: #17a2b8;
    color: white;
}

.btn-info:hover {
    background: #138496;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(23, 162, 184, 0.4);
}

.btn-warning {
    background: #ffc107;
    color: #212529;
}

.btn-warning:hover {
    background: #e0a800;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(255, 193, 7, 0.4);
}

.btn-danger {
    background: #dc3545;
    color: white;
}

.btn-danger:hover {
    background: #c82333;
}

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

.btn-compact {
    padding: 8px 12px;
    font-size: 13px;
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

/* 状态标签 */
.status-badge {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 500;
}

.status-badge.active {
    background: #d4edda;
    color: #155724;
}

.status-badge.inactive {
    background: #f8d7da;
    color: #721c24;
}

.status-badge.superuser {
    background: #d1ecf1;
    color: #0c5460;
}

.status-badge.user {
    background: #e2e3e5;
    color: #383d41;
}

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

.modal.active {
    display: flex;
}

.modal-content {
    background: white;
    border-radius: 12px;
    width: 90%;
    max-width: 600px;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    animation: modalSlideUp 0.3s ease-out;
}

@keyframes modalSlideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.modal-header {
    padding: 20px 24px;
    border-bottom: 1px solid #e0e0e0;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h3 {
    font-size: 20px;
    font-weight: 600;
    color: #333;
}

.modal-close {
    background: none;
    border: none;
    font-size: 28px;
    color: #999;
    cursor: pointer;
    line-height: 1;
    padding: 0;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 4px;
    transition: all 0.3s ease;
}

.modal-close:hover {
    background: #f0f0f0;
    color: #333;
}

.modal-body {
    padding: 24px;
    overflow-y: auto;
    flex: 1;
}

.modal-footer {
    padding: 20px 24px;
    border-top: 1px solid #e0e0e0;
    display: flex;
    justify-content: flex-end;
    gap: 12px;
}

/* 表单 */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: #333;
    font-weight: 500;
    font-size: 14px;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 10px 14px;
    border: 2px solid #e0e0e0;
    border-radius: 6px;
    font-size: 14px;
    transition: all 0.3s ease;
    font-family: inherit;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

.form-group .form-check {
    display: flex;
    align-items: center;
    gap: 8px;
}

.form-group .form-check input[type="checkbox"] {
    width: auto;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .sidebar {
        width: 200px;
    }

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

    .header-actions {
        width: 100%;
    }

    .modal-content {
        width: 95%;
        max-height: 95vh;
    }
}

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

@keyframes fadeOut {
    from {
        opacity: 1;
    }
    to {
        opacity: 0;
    }
}

/* 分页容器 */
.pagination-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 16px;
    padding: 12px 0;
    border-top: 1px solid #e0e0e0;
    flex-shrink: 0;
}

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

.pagination-controls {
    display: flex;
    gap: 8px;
    align-items: center;
}

/* 项目详情页样式 - 紧凑版 */
.project-detail-header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 8px;
    padding: 12px 16px;
    margin-bottom: 12px;
    box-shadow: 0 2px 6px rgba(102, 126, 234, 0.15);
}

.project-detail-header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.project-detail-title-section {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.project-detail-actions {
    display: flex;
    align-items: center;
    gap: 8px;
}

.project-detail-title {
    font-size: 16px;
    font-weight: 600;
    color: white;
    margin: 0;
}

.project-detail-name {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.9);
    font-weight: 400;
}

.project-detail-header .btn-secondary {
    background: rgba(255, 255, 255, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.3);
    color: white;
    backdrop-filter: blur(10px);
    padding: 6px 12px;
    font-size: 12px;
}

.project-detail-header .btn-secondary:hover {
    background: rgba(255, 255, 255, 0.3);
    border-color: rgba(255, 255, 255, 0.4);
}


.project-info-container {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 12px;
    margin-bottom: 12px;
}

.project-info-card {
    background: white;
    border-radius: 8px;
    padding: 12px 16px;
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.06);
    border: 1px solid #f0f0f0;
}

.project-info-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 10px 16px;
}

.project-info-item.project-info-description {
    grid-column: 1 / -1;
    margin-top: 4px;
}

.project-info-item {
    display: flex;
    flex-direction: column;
    gap: 3px;
}

.project-info-label {
    font-size: 11px;
    color: #999;
    text-transform: uppercase;
    letter-spacing: 0.3px;
    font-weight: 500;
}

.project-info-value {
    font-size: 13px;
    color: #333;
    font-weight: 500;
}

.project-description {
    color: #666;
    line-height: 1.5;
    font-size: 12px;
    padding: 6px 8px;
    background: #f8f9fa;
    border-radius: 4px;
    border-left: 2px solid #667eea;
    margin-top: 4px;
    max-height: 60px;
    overflow-y: auto;
}

.project-stats-card {
    background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
    border-radius: 8px;
    padding: 12px 16px;
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.06);
    border: 1px solid #f0f0f0;
    display: flex;
    flex-direction: column;
    gap: 10px;
    min-width: 140px;
}

.project-stat-item {
    display: flex;
    align-items: center;
    gap: 10px;
}

.project-stat-icon {
    font-size: 20px;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 8px;
    box-shadow: 0 2px 6px rgba(102, 126, 234, 0.25);
    flex-shrink: 0;
}

.project-stat-content {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.project-stat-value {
    font-size: 18px;
    font-weight: 700;
    color: #333;
    line-height: 1;
}

.project-stat-label {
    font-size: 11px;
    color: #666;
    font-weight: 500;
}

/* 响应式优化 */
@media (max-width: 768px) {
    .project-detail-header-content {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }

    .project-detail-header .btn-secondary {
        width: 100%;
        justify-content: center;
    }

    .project-detail-header-content {
        flex-direction: column;
        gap: 12px;
    }

    .project-info-container {
        grid-template-columns: 1fr;
    }

    .project-info-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .project-stats-card {
        flex-direction: row;
        justify-content: space-around;
    }
}

/* 项目卡片样式 */
.projects-card-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 20px;
    padding: 0;
}

.project-card {
    background: white;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    border: 1px solid #e0e0e0;
}

.project-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
}

.project-card-header {
    padding: 20px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 12px;
}

.project-card-title-section {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 4px;
    overflow: hidden;
}

.project-card-title {
    font-size: 18px;
    font-weight: 600;
    margin: 0;
    color: white;
    line-height: 1.3;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.project-card-id {
    font-size: 12px;
    color: rgba(255, 255, 255, 0.8);
    font-weight: 400;
}

.project-card-header .status-badge {
    background: rgba(255, 255, 255, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.3);
    color: white;
    backdrop-filter: blur(10px);
    padding: 4px 12px;
    font-size: 12px;
    flex-shrink: 0;
    white-space: nowrap;
}

.project-card-body {
    padding: 20px;
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.project-card-description {
    color: #666;
    font-size: 14px;
    line-height: 1.6;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
    min-height: 4.8em;
}

.project-card-meta {
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding-top: 12px;
    border-top: 1px solid #f0f0f0;
}

.project-card-meta-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 13px;
}

.project-card-meta-label {
    color: #999;
    font-weight: 500;
}

.project-card-meta-value {
    color: #333;
    font-weight: 500;
}

.project-card-stats {
    display: flex;
    gap: 16px;
    padding-top: 12px;
    border-top: 1px solid #f0f0f0;
}

.project-card-stat-item {
    display: flex;
    align-items: center;
    gap: 10px;
    flex: 1;
}

.project-card-stat-icon {
    font-size: 24px;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 8px;
    box-shadow: 0 2px 6px rgba(102, 126, 234, 0.25);
    flex-shrink: 0;
}

.project-card-stat-content {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.project-card-stat-value {
    font-size: 20px;
    font-weight: 700;
    color: #333;
    line-height: 1;
}

.project-card-stat-label {
    font-size: 12px;
    color: #666;
    font-weight: 500;
}

.project-card-footer {
    padding: 16px 20px;
    background: #f8f9fa;
    border-top: 1px solid #e0e0e0;
    display: flex;
    gap: 8px;
    justify-content: flex-end;
}

.project-card-footer .btn {
    flex-shrink: 0;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .projects-card-container {
        grid-template-columns: 1fr;
    }

    .project-card-footer {
        flex-direction: column;
    }

    .project-card-footer .btn {
        width: 100%;
    }
}

/* 项目懒加载指示器 */
.projects-loader {
    grid-column: 1 / -1;
    padding: 20px;
    text-align: center;
}