/* 项目管理系统样式 */

:root {
    --sidebar-width: 250px;
    --sidebar-collapsed-width: 60px;
    --primary-color: #0d6efd;
    --secondary-color: #6c757d;
    --success-color: #198754;
    --danger-color: #dc3545;
    --warning-color: #ffc107;
    --info-color: #0dcaf0;
    --light-color: #f8f9fa;
    --dark-color: #212529;
    --border-color: #dee2e6;
    --bg-color: #f5f6fa;
}

* {
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: var(--bg-color);
}

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

.login-box {
    background: white;
    padding: 40px;
    border-radius: 10px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
    width: 400px;
    max-width: 90%;
}

.login-box h2 {
    text-align: center;
    margin-bottom: 30px;
    color: var(--dark-color);
}

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

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

.login-box input[type="text"],
.login-box input[type="password"] {
    width: 100%;
    padding: 10px 15px;
    border: 1px solid var(--border-color);
    border-radius: 5px;
    font-size: 14px;
}

.login-box input:focus {
    outline: none;
    border-color: var(--primary-color);
}

.login-box .btn-primary {
    width: 100%;
    padding: 12px;
    font-size: 16px;
}

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

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

.sidebar.collapsed {
    width: var(--sidebar-collapsed-width);
}

.sidebar-header {
    padding: 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.sidebar-header h3 {
    margin: 0;
    font-size: 18px;
    white-space: nowrap;
    overflow: hidden;
}

.sidebar.collapsed .sidebar-header h3 {
    display: none;
}

.sidebar-toggle {
    background: none;
    border: none;
    color: white;
    cursor: pointer;
    padding: 5px;
    font-size: 18px;
}

.sidebar-menu {
    padding: 10px 0;
    width: var(--sidebar-width);
}

.sidebar.collapsed .sidebar-menu {
    width: var(--sidebar-collapsed-width);
}

.menu-item {
    position: relative;
}

.menu-item > a {
    display: flex;
    align-items: center;
    padding: 12px 20px;
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: all 0.2s;
    cursor: pointer;
}

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

.menu-item.active > a {
    background-color: var(--primary-color);
    color: white;
}

.menu-item .menu-icon {
    width: 24px;
    text-align: center;
    margin-right: 15px;
    font-size: 16px;
    flex-shrink: 0;
}

.sidebar.collapsed .menu-item .menu-icon {
    margin-right: 0;
}

.menu-item .menu-text {
    flex: 1;
    white-space: nowrap;
    overflow: hidden;
}

.sidebar.collapsed .menu-item .menu-text {
    display: none;
}

.menu-item .menu-arrow {
    transition: transform 0.2s;
}

.sidebar.collapsed .menu-item .menu-arrow {
    display: none;
}

.menu-item.expanded .menu-arrow {
    transform: rotate(90deg);
}

/* 子菜单 */
.submenu {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.menu-item.expanded > .submenu {
    max-height: 500px;
}

.submenu-item a {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 20px 10px 60px;
    color: rgba(255, 255, 255, 0.6);
    text-decoration: none;
    transition: all 0.2s;
}

.submenu-item a:hover {
    color: white;
    background-color: rgba(255, 255, 255, 0.05);
}

.sidebar.collapsed .submenu-item a {
    padding-left: 0;
    justify-content: center;
}

.sidebar.collapsed .submenu-item a span {
    display: none;
}

.sidebar.collapsed .submenu {
    position: absolute;
    left: 100%;
    top: 0;
    min-width: 150px;
    background: var(--dark-color);
    border-radius: 0 8px 8px 0;
    box-shadow: 2px 2px 10px rgba(0,0,0,0.2);
    display: none;
    max-height: none;
    overflow: visible;
    z-index: 1001;
}

.sidebar.collapsed .menu-item {
    position: relative;
    width: var(--sidebar-collapsed-width);
}

.sidebar.collapsed .menu-item:hover > .submenu {
    display: block;
}

.sidebar.collapsed .menu-item:hover > a {
    background-color: rgba(255, 255, 255, 0.1);
}

.sidebar.collapsed .submenu-item a {
    padding: 10px 15px;
    white-space: nowrap;
}

.sidebar.collapsed .submenu-item a:hover {
    background-color: rgba(255, 255, 255, 0.1);
}

/* 主内容区 */
.main-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    transition: margin-left 0.3s ease;
    min-height: 100vh;
}

.sidebar.collapsed ~ .main-content {
    margin-left: var(--sidebar-collapsed-width);
}

.content-header {
    background: white;
    padding: 15px 30px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.content-header h2 {
    margin: 0;
    font-size: 20px;
    color: var(--dark-color);
}

.content-body {
    padding: 20px 30px;
}

/* 工具栏 */
.toolbar {
    background: white;
    padding: 15px 20px;
    border-radius: 8px;
    margin-bottom: 20px;
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    align-items: center;
}

.toolbar .search-box {
    display: flex;
    align-items: center;
    flex: 1;
    min-width: 200px;
}

.toolbar .search-box input {
    flex: 1;
    padding: 8px 12px;
    border: 1px solid var(--border-color);
    border-radius: 5px;
}

.toolbar .search-box button {
    padding: 8px 15px;
    margin-left: 5px;
}

/* 数据表格 */
.data-table {
    background: white;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

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

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

.data-table th {
    background-color: var(--light-color);
    font-weight: 600;
    color: var(--dark-color);
}

.data-table tr:hover {
    background-color: rgba(13, 110, 253, 0.02);
}

.data-table .actions {
    display: flex;
    gap: 5px;
}

.data-table .actions button {
    padding: 4px 8px;
    font-size: 12px;
}

/* 金额列右对齐 */
.data-table td.text-end,
.data-table th.text-end {
    text-align: right;
}

/* 分页 */
.pagination-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
    background: white;
    border-top: 1px solid var(--border-color);
}

.pagination-info {
    color: var(--secondary-color);
    font-size: 14px;
}

.pagination {
    margin: 0;
    display: flex;
    gap: 5px;
}

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

.pagination button:hover {
    background-color: var(--light-color);
}

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

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

/* 按钮样式 */
.btn {
    padding: 8px 16px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 14px;
    transition: all 0.2s;
}

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

.btn-primary:hover {
    background-color: #0b5ed7;
}

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

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

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

.btn-warning {
    background-color: var(--warning-color);
    color: var(--dark-color);
}

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

.btn-sm {
    padding: 4px 10px;
    font-size: 12px;
}

/* 模态框 */
.modal-header {
    background-color: var(--light-color);
    padding: 15px 20px;
    border-bottom: 1px solid var(--border-color);
}

.modal-header h5 {
    margin: 0;
    font-size: 18px;
}

.modal-body {
    padding: 20px;
}

.modal-footer {
    padding: 15px 20px;
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: flex-end;
    gap: 10px;
}

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

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

 color: var(--.form-group label .required {
    color: var(--danger-color);
}

.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: 14px;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

.form-group textarea {
    resize: vertical;
    min-height: 80px;
}

.form-row {
    display: flex;
    gap: 15px;
}

.form-row .form-group {
    flex: 1;
}

/* 用户信息栏 */
.user-info {
    display: flex;
    align-items: center;
    gap: 10px;
}

.user-info .user-avatar {
    width: 36px !important;
    height: 36px !important;
    min-width: 36px !important;
    border-radius: 50% !important;
    background-color: #0d6efd !important;
    color: white !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    font-size: 14px !important;
    font-weight: 600 !important;
}

.user-info .user-name {
    font-weight: 500;
}

.user-info {
    position: relative;
}

/* 状态标签 */
.badge {
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 12px;
    font-weight: 500;
}

.badge-success {
    background-color: #d1e7dd;
    color: #0f5132;
}

.badge-warning {
    background-color: #fff3cd;
    color: #664d03;
}

.badge-danger {
    background-color: #f8d7da;
    color: #842029;
}

.badge-primary {
    background-color: #cfe2ff;
    color: #084298;
}

.badge-secondary {
    background-color: #e2e3e5;
    color: #41464b;
}

.badge-info {
    background-color: #cff4fc;
    color: #055160;
}

/* 优先级标签 */
.priority-high {
    color: var(--danger-color);
    font-weight: bold;
}

.priority-medium {
    color: var(--warning-color);
    font-weight: bold;
}

.priority-low {
    color: var(--success-color);
    font-weight: bold;
}

/* 响应式 */
@media (max-width: 768px) {
    .sidebar {
        width: var(--sidebar-collapsed-width);
    }

    .sidebar .sidebar-header h3,
    .sidebar .menu-item .menu-text,
    .sidebar .menu-item .menu-arrow,
    .sidebar .submenu-item a span {
        display: none;
    }

    .sidebar .menu-item .menu-icon,
    .sidebar .submenu-item a i {
        display: block;
    }

    .sidebar .submenu-item a {
        padding-left: 0;
        justify-content: center;
    }

    .main-content {
        margin-left: var(--sidebar-collapsed-width);
    }

    .content-body {
        padding: 15px;
    }

    .form-row {
        flex-direction: column;
        gap: 0;
    }
}

/* 加载动画 */
.loading {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 40px;
}

.spinner {
    width: 40px;
    height: 40px;
    border: 4px solid var(--border-color);
    border-top-color: var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

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

.empty-state svg {
    width: 64px;
    height: 64px;
    margin-bottom: 15px;
    opacity: 0.5;
}

/* 切换开关 */
.toggle-switch {
    position: relative;
    display: inline-block;
    width: 40px;
    height: 24px;
}

.toggle-switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.toggle-slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: #ccc;
    transition: 0.3s;
    border-radius: 24px;
}

.toggle-slider:before {
    position: absolute;
    content: "";
    height: 18px;
    width: 18px;
    left: 3px;
    bottom: 3px;
    background-color: white;
    transition: 0.3s;
    border-radius: 50%;
}

.toggle-switch input:checked + .toggle-slider {
    background-color: var(--success-color);
}

.toggle-switch input:checked + .toggle-slider:before {
    transform: translateX(16px);
}

/* 确认对话框 */
.confirm-dialog {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
}

.confirm-dialog .confirm-box {
    background: white;
    padding: 30px;
    border-radius: 8px;
    max-width: 400px;
    width: 90%;
    text-align: center;
}

.confirm-dialog .confirm-box h4 {
    margin-top: 0;
}

.confirm-dialog .confirm-box .confirm-buttons {
    margin-top: 20px;
    display: flex;
    justify-content: center;
    gap: 10px;
}

/* 项目标签复选框列表 */
.tag-checkbox-list {
    max-height: 400px;
    overflow-y: auto;
}

.tag-checkbox-list .form-check {
    padding: 8px;
}

.tag-checkbox-list .form-check-label {
    cursor: pointer;
}

.tag-checkbox-list .form-check-input {
    cursor: pointer;
}