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

:root {
    /* Todoist 配色方案 */
    --todoist-red: #dc4c3e;
    --todoist-red-hover: #d1453b;
    --todoist-red-light: #ffe1dc;
    --primary-color: #dc4c3e;
    --secondary-color: #808080;
    --success-color: #058527;
    --danger-color: #dc4c3e;
    --warning-color: #ff9a14;
    --info-color: #246fe0;
    
    /* 背景色 */
    --bg-primary: #ffffff;
    --bg-secondary: #fafafa;
    --bg-sidebar: #fcfaf8;
    --bg-hover: #f3f3f3;
    
    /* 文字颜色 */
    --text-primary: #202020;
    --text-secondary: #808080;
    --text-tertiary: #b3b3b3;
    
    /* 边框颜色 */
    --border-color: #f3f3f3;
    --border-dark: #e6e6e6;
    
    /* 阴影 */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.06);
    --shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 4px 12px rgba(0, 0, 0, 0.1);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, "Helvetica Neue", Arial, sans-serif;
    font-size: 14px;
    line-height: 1.5;
    color: var(--text-primary);
    background: var(--bg-secondary);
}

a {
    color: var(--primary-color);
    text-decoration: none;
}

a:hover {
    text-decoration: none;
    color: var(--todoist-red-hover);
}

/* 左侧边栏 - Todoist 风格 */
.sidebar {
    position: fixed;
    left: 0;
    top: 0;
    bottom: 0;
    width: 280px;
    background: var(--bg-sidebar);
    border-right: 1px solid var(--border-color);
    z-index: 100;
    display: flex;
    flex-direction: column;
    overflow-y: auto;
    transition: left 0.3s ease;
}

/* 侧边栏滚动条样式 */
.sidebar::-webkit-scrollbar {
    width: 6px;
}

.sidebar::-webkit-scrollbar-track {
    background: transparent;
}

.sidebar::-webkit-scrollbar-thumb {
    background: var(--border-dark);
    border-radius: 3px;
}

.sidebar::-webkit-scrollbar-thumb:hover {
    background: var(--text-secondary);
}

.sidebar-header {
    padding: 20px 24px;
    border-bottom: 1px solid var(--border-color);
}

.logo a {
    font-size: 20px;
    font-weight: 700;
    color: var(--todoist-red);
    text-decoration: none;
    letter-spacing: -0.5px;
    display: block;
}

.sidebar-nav {
    flex: 1;
    padding: 16px 0;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 24px;
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 500;
    font-size: 14px;
    transition: background 0.2s, color 0.2s;
    border-left: 3px solid transparent;
}

.nav-link:hover {
    background: rgba(0, 0, 0, 0.03);
    text-decoration: none;
}

.nav-link.active {
    background: rgba(220, 76, 62, 0.08);
    color: var(--todoist-red);
    border-left-color: var(--todoist-red);
}

.nav-link svg {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}

/* 标签导航部分 */
.nav-section {
    margin: 16px 0;
    border-top: 1px solid var(--border-color);
    padding-top: 16px;
}

.nav-section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 24px;
    margin-bottom: 4px;
}

.nav-section-title {
    font-size: 12px;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.btn-add-tag,
.btn-toggle-tags {
    opacity: 0;
    transition: opacity 0.2s, transform 0.2s;
}

.nav-section:hover .btn-add-tag,
.nav-section:hover .btn-toggle-tags {
    opacity: 1;
}

.btn-toggle-tags.collapsed svg {
    transform: rotate(-90deg);
}

#tagsList {
    transition: all 0.3s ease;
    overflow: hidden;
}

.nav-tag {
    padding-left: 24px;
    font-weight: 400;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-tag .tag-name {
    flex: 1;
    margin-left: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.nav-tag .tag-count {
    font-size: 10px;
    color: var(--text-secondary);
    background: rgba(0, 0, 0, 0.05);
    padding: 3px 7px;
    border-radius: 12px;
    font-weight: 500;
    margin-left: 12px;
    flex-shrink: 0;
    min-width: 20px;
    text-align: center;
    line-height: 1;
}

.nav-tag:hover .tag-count {
    background: rgba(0, 0, 0, 0.08);
}

.nav-tag.active .tag-count {
    background: var(--todoist-red);
    color: white;
}

.tag-color-dot {
    flex-shrink: 0;
}

.sidebar-footer {
    padding: 16px 24px;
    border-top: 1px solid var(--border-color);
    background: var(--bg-primary);
}

.user-menu {
    position: relative;
}

.user-info {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 8px;
    border-radius: 8px;
    transition: background 0.2s;
    cursor: pointer;
}

.user-info:hover {
    background: var(--bg-hover);
}

.user-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--todoist-red);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 16px;
    flex-shrink: 0;
}

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

.user-name {
    font-weight: 600;
    color: var(--text-primary);
    font-size: 14px;
    line-height: 1.3;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.user-email {
    font-size: 12px;
    color: var(--text-secondary);
    line-height: 1.3;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.user-menu-toggle {
    flex-shrink: 0;
    opacity: 0;
    transition: opacity 0.2s;
}

.user-info:hover .user-menu-toggle {
    opacity: 1;
}

.user-dropdown {
    position: absolute;
    bottom: 100%;
    left: 0;
    right: 0;
    margin-bottom: 8px;
    background: white;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all 0.2s;
    z-index: 1000;
}

.user-dropdown.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.user-dropdown-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    color: var(--text-primary);
    text-decoration: none;
    font-size: 14px;
    transition: background 0.2s;
    border-bottom: 1px solid var(--border-color);
}

.user-dropdown-item:first-child {
    border-radius: 8px 8px 0 0;
}

.user-dropdown-item:last-child {
    border-bottom: none;
    border-radius: 0 0 8px 8px;
}

.user-dropdown-item:hover {
    background: var(--bg-hover);
    text-decoration: none;
}

.user-dropdown-item svg {
    flex-shrink: 0;
}

/* 主内容区域调整 */
.main-wrapper {
    margin-left: 280px;
    min-height: 100vh;
    background: var(--bg-secondary);
}

/* 兼容旧代码 - header 类用于后端向前兼容 */
.header {
    display: none;
}

/* 容器布局 - Todoist 风格 */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 40px 60px;
    min-height: 100vh;
}

/* 页面标题 */
.page-header {
    margin-bottom: 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.page-header h1 {
    font-size: 20px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 4px;
    letter-spacing: -0.2px;
}

.subtitle {
    color: var(--text-secondary);
    font-size: 13px;
    margin-top: 0;
}

/* 按钮 - Todoist 风格 */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    border: none;
    border-radius: 5px;
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
    text-decoration: none;
}

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

.btn-primary:hover {
    background: var(--todoist-red-hover);
    text-decoration: none;
}

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

.btn-secondary:hover {
    background: var(--bg-hover);
    text-decoration: none;
}

.btn-block {
    display: block;
    width: 100%;
}

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

.btn-icon {
    padding: 6px;
    background: none;
    border: none;
    cursor: pointer;
    color: var(--text-secondary);
    transition: color 0.2s;
    display: inline-flex;
    align-items: center;
    border-radius: 3px;
}

.btn-icon:hover {
    color: var(--text-primary);
    background: var(--bg-hover);
}

/* 统计卡片 - 简化版 */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 12px;
    margin-bottom: 32px;
}

.stat-card {
    background: var(--bg-primary);
    padding: 16px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    transition: transform 0.2s, box-shadow 0.2s;
}

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

.stat-icon {
    width: 32px;
    height: 32px;
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    margin-bottom: 8px;
}

.stat-icon svg {
    width: 18px;
    height: 18px;
}

.stat-content h3 {
    font-size: 24px;
    color: var(--text-primary);
    margin-bottom: 4px;
    font-weight: 700;
}

.stat-content p {
    color: var(--text-secondary);
    font-size: 12px;
}

/* 任务添加区域 - Todoist 风格 */
.quick-add-section {
    margin-bottom: 24px;
}

.quick-task-form {
    background: white;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 0;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.quick-task-form:focus-within {
    border-color: var(--text-secondary);
    box-shadow: var(--shadow);
}

.quick-task-form .form-group {
    margin: 0;
}

.quick-task-form input[type="text"] {
    border: none;
    padding: 12px 16px;
    font-size: 14px;
    width: 100%;
    border-radius: 8px 8px 0 0;
}

.quick-task-form input[type="text"]:focus {
    outline: none;
}

.quick-task-form .form-row {
    display: flex;
    gap: 8px;
    padding: 8px 16px 12px;
    border-top: 1px solid var(--border-color);
    align-items: center;
}

.quick-task-form .form-row .form-group {
    flex: none;
}

.quick-task-form select {
    padding: 6px 10px;
    border: 1px solid var(--border-dark);
    border-radius: 5px;
    font-size: 13px;
    color: var(--text-primary);
    background: white;
    height: 32px;
}

.quick-task-form input[type="date"] {
    padding: 6px 10px;
    border: 1px solid var(--border-dark);
    border-radius: 5px;
    font-size: 13px;
    color: var(--text-primary);
    background: white;
    height: 32px;
}

.quick-task-form input[type="text"]:not(#quickTaskTitle) {
    min-width: 120px;
}

/* 任务列表 - Todoist 风格 */
.tasks-section {
    margin-bottom: 32px;
}

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

.section-header h2 {
    font-size: 16px;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.2px;
}

.task-list {
    display: flex;
    flex-direction: column;
    gap: 0;
}

.task-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 10px 0;
    border-bottom: 1px solid var(--border-color);
    transition: background 0.2s;
    cursor: pointer;
}

.task-item:hover {
    background: var(--bg-secondary);
    padding-left: 8px;
    padding-right: 8px;
    margin-left: -8px;
    margin-right: -8px;
    border-radius: 5px;
    border-bottom-color: transparent;
}

.task-item:hover + .task-item {
    border-top-color: transparent;
}

.task-checkbox {
    flex-shrink: 0;
    padding-top: 2px;
}

.task-checkbox input[type="checkbox"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
    border: 1.5px solid var(--text-secondary);
    border-radius: 50%;
    appearance: none;
    -webkit-appearance: none;
    position: relative;
    background: white;
    transition: all 0.2s;
}

.task-checkbox input[type="checkbox"]:hover {
    border-color: var(--text-primary);
    background: var(--bg-secondary);
}

.task-checkbox input[type="checkbox"]:checked {
    background: var(--success-color);
    border-color: var(--success-color);
}

.task-checkbox input[type="checkbox"]:checked::after {
    content: '✓';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: white;
    font-size: 12px;
    font-weight: bold;
}

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

.task-content h4 {
    font-size: 14px;
    color: var(--text-primary);
    margin-bottom: 4px;
    font-weight: 400;
    line-height: 1.4;
}

.task-meta {
    font-size: 12px;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}

.task-date {
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.task-priority {
    padding: 2px 8px;
    border-radius: 3px;
    color: white;
    font-size: 11px;
    font-weight: 500;
    flex-shrink: 0;
}

.task-actions {
    opacity: 0;
    display: flex;
    gap: 4px;
    transition: opacity 0.2s;
}

.task-item:hover .task-actions {
    opacity: 1;
}

/* 优先级颜色 - Todoist 风格 */
.priority-high {
    color: var(--danger-color);
}

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

.priority-low {
    color: var(--info-color);
}

/* 标签样式 */
.tags-container {
    background: white;
    padding: 24px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.tags-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 16px;
}

.tag-card {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 16px;
    transition: all 0.2s;
    text-decoration: none;
    display: block;
}

.tag-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow);
    border-color: var(--border-dark);
}

.tag-card-header {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 8px;
}

.tag-color-badge {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    flex-shrink: 0;
}

.tag-card h3 {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
}

.tag-task-count {
    font-size: 13px;
    color: var(--text-secondary);
    margin: 0;
}

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

.form-group label {
    display: block;
    margin-bottom: 6px;
    font-weight: 500;
    color: var(--text-primary);
    font-size: 13px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 6px 12px;
    border: 1px solid var(--border-dark);
    border-radius: 5px;
    font-size: 13px;
    transition: border-color 0.2s, box-shadow 0.2s;
    color: var(--text-primary);
    font-family: inherit;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--text-secondary);
    box-shadow: 0 0 0 3px rgba(0, 0, 0, 0.05);
}

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

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

/* 空状态 */
.empty-state {
    text-align: center;
    padding: 48px 24px;
    color: var(--text-secondary);
}

.empty-state svg {
    margin-bottom: 16px;
    opacity: 0.5;
    width: 48px;
    height: 48px;
}

.empty-state h3 {
    margin-bottom: 8px;
    color: var(--text-primary);
    font-size: 16px;
}

.empty-state p {
    font-size: 13px;
}

/* 模态框 - Todoist 风格 */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.4);
    z-index: 1000;
    align-items: center;
    justify-content: center;
}

.modal.show {
    display: flex;
}

.modal-content {
    background: white;
    border-radius: 10px;
    width: 90%;
    max-width: 500px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-lg);
}

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

.modal-header h2 {
    font-size: 18px;
    color: var(--text-primary);
    font-weight: 700;
}

.modal-close {
    background: none;
    border: none;
    font-size: 24px;
    cursor: pointer;
    color: var(--text-secondary);
    line-height: 1;
    padding: 0;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 5px;
    transition: background 0.2s;
}

.modal-close:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

.modal-form {
    padding: 24px;
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 8px;
    padding: 16px 24px;
    border-top: 1px solid var(--border-color);
    background: var(--bg-secondary);
}

/* 通知提示 */
.notification {
    position: fixed;
    top: 60px;
    right: 20px;
    padding: 12px 16px;
    background: white;
    border-radius: 8px;
    box-shadow: var(--shadow-lg);
    z-index: 2000;
    transform: translateX(400px);
    transition: transform 0.3s;
    border: 1px solid var(--border-dark);
    font-size: 13px;
}

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

.notification-success {
    border-left: 3px solid var(--success-color);
}

.notification-error {
    border-left: 3px solid var(--danger-color);
}

/* 警告框 */
.alert {
    padding: 12px 16px;
    border-radius: 8px;
    margin-bottom: 16px;
    font-size: 13px;
    border: 1px solid;
}

.alert-success {
    background: #f0f9f4;
    color: var(--success-color);
    border-color: #c6e9d3;
}

.alert-error {
    background: #fef5f5;
    color: var(--danger-color);
    border-color: #f9d7d7;
}

.alert-warning {
    background: #fffbf0;
    color: #946200;
    border-color: #ffecc7;
}

/* 筛选栏 */
.filters-bar {
    background: white;
    padding: 16px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    margin-bottom: 24px;
}

.filters-form {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    align-items: center;
}

.filter-group {
    flex: 1;
    min-width: 150px;
}

.filter-group input,
.filter-group select {
    width: 100%;
    padding: 8px 12px;
    border: 1px solid var(--border-dark);
    border-radius: 5px;
    font-size: 13px;
}

/* 任务容器 */
.tasks-container {
    background: white;
    padding: 24px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

/* 任务表格 */
.tasks-table {
    overflow-x: auto;
}

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

.tasks-table th {
    text-align: left;
    padding: 12px;
    background: var(--bg-secondary);
    font-weight: 600;
    color: var(--text-primary);
    border-bottom: 1px solid var(--border-dark);
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.tasks-table td {
    padding: 12px;
    border-bottom: 1px solid var(--border-color);
    font-size: 13px;
}

.task-title strong {
    color: var(--text-primary);
    font-weight: 500;
}

.task-description {
    color: var(--text-secondary);
    font-size: 12px;
    margin-top: 4px;
}

.badge {
    display: inline-block;
    padding: 3px 8px;
    border-radius: 3px;
    color: white;
    font-size: 11px;
    font-weight: 500;
}

.action-buttons {
    display: flex;
    gap: 4px;
}

.text-danger {
    color: var(--danger-color) !important;
    font-weight: 600;
}

/* 认证页面 */
.auth-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
}

.auth-container {
    width: 100%;
    max-width: 400px;
    padding: 24px;
}

.auth-card {
    background: white;
    padding: 32px;
    border-radius: 10px;
    box-shadow: var(--shadow-lg);
}

.auth-header {
    text-align: center;
    margin-bottom: 24px;
}

.auth-header h1 {
    font-size: 24px;
    color: var(--text-primary);
    margin-bottom: 8px;
    font-weight: 700;
}

.auth-header p {
    color: var(--text-secondary);
    font-size: 14px;
}

.auth-form {
    margin-bottom: 16px;
}

.auth-footer {
    text-align: center;
    padding-top: 16px;
    border-top: 1px solid var(--border-color);
    font-size: 13px;
}

/* 图表卡片 */
.charts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 24px;
}

.chart-card {
    background: white;
    padding: 36px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.chart-card h3 {
    margin-bottom: 16px;
    color: var(--text-primary);
    font-size: 16px;
    font-weight: 700;
}

/* 仪表板网格 */
.dashboard-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 24px;
}

.dashboard-section {
    background: white;
    padding: 0;
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.dashboard-section .section-header {
    padding: 16px 20px;
    margin: 0;
    border-bottom: 1px solid var(--border-color);
    background: var(--bg-secondary);
}

.dashboard-section .task-list {
    padding: 0 20px;
}

.dashboard-section .task-item:last-child {
    border-bottom: none;
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .sidebar {
        width: 240px;
    }
    
    .main-wrapper {
        margin-left: 240px;
    }
    
    .container {
        padding: 32px 40px;
    }
}

@media (max-width: 768px) {
    .sidebar {
        position: fixed;
        left: -280px;
        transition: left 0.3s;
        box-shadow: var(--shadow-lg);
    }
    
    .sidebar.open {
        left: 0;
    }
    
    .main-wrapper {
        margin-left: 0;
    }
    
    .mobile-menu-toggle {
        display: block;
        position: fixed;
        top: 16px;
        left: 16px;
        z-index: 150;
        background: var(--todoist-red);
        color: white;
        border: none;
        padding: 10px;
        border-radius: 5px;
        cursor: pointer;
        box-shadow: var(--shadow);
    }

    .container {
        padding: 24px 16px;
        padding-top: 60px;
    }

    .page-header h1 {
        font-size: 18px;
    }

    .stats-grid {
        grid-template-columns: 1fr;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .filters-form {
        flex-direction: column;
    }

    .filter-group {
        width: 100%;
    }

    .charts-grid {
        grid-template-columns: 1fr;
    }

    .tasks-table {
        font-size: 12px;
    }

    .tasks-table th,
    .tasks-table td {
        padding: 8px;
    }

    .quick-task-form .form-row {
        flex-direction: column;
        align-items: stretch;
    }

    .quick-task-form .form-row .btn {
        width: 100%;
    }
}

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

.sidebar-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 99;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

.sidebar-overlay.show {
    opacity: 1;
    visibility: visible;
}

@media (max-width: 480px) {
    .container {
        padding: 16px;
    }

    .auth-container {
        padding: 16px;
    }

    .auth-card {
        padding: 24px;
    }

    .modal-content {
        width: 95%;
    }

    .header-container {
        padding: 0 12px;
    }
}

/* 分页器样式 */
.pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    margin-top: 24px;
    padding-top: 24px;
    border-top: 1px solid var(--border-color);
    flex-wrap: wrap;
}

.pagination-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 12px;
    border: 1px solid var(--border-dark);
    border-radius: 5px;
    font-size: 13px;
    color: var(--text-primary);
    text-decoration: none;
    transition: all 0.2s;
    background: white;
}

.pagination-btn:hover {
    background: var(--bg-hover);
    border-color: var(--text-secondary);
}

.pagination-numbers {
    display: flex;
    align-items: center;
    gap: 6px;
}

.pagination-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 32px;
    height: 32px;
    padding: 0 8px;
    border: 1px solid var(--border-dark);
    border-radius: 5px;
    font-size: 13px;
    color: var(--text-primary);
    text-decoration: none;
    transition: all 0.2s;
    background: white;
}

.pagination-number:hover {
    background: var(--bg-hover);
    border-color: var(--text-secondary);
}

.pagination-number.active {
    background: var(--todoist-red);
    color: white;
    border-color: var(--todoist-red);
    font-weight: 600;
}

.pagination-ellipsis {
    color: var(--text-secondary);
    padding: 0 4px;
}

.pagination-info {
    font-size: 12px;
    color: var(--text-secondary);
    margin-left: 12px;
}

/* 个人设置页面样式 */
.settings-container {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.settings-card {
    background: white;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    overflow: hidden;
}

.settings-card-header {
    padding: 20px 24px;
    border-bottom: 1px solid var(--border-color);
    background: var(--bg-secondary);
}

.settings-card-header h2 {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0 0 4px 0;
}

.settings-card-header p {
    font-size: 13px;
    color: var(--text-secondary);
    margin: 0;
}

.settings-form {
    padding: 24px;
}

.form-help {
    display: block;
    font-size: 12px;
    color: var(--text-secondary);
    margin-top: 4px;
}

.form-actions {
    margin-top: 24px;
    padding-top: 24px;
    border-top: 1px solid var(--border-color);
}

.account-stats {
    padding: 24px;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 16px;
}

.stat-item {
    text-align: center;
    padding: 16px;
    background: var(--bg-secondary);
    border-radius: 8px;
}

.stat-label {
    font-size: 12px;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.stat-value {
    font-size: 28px;
    font-weight: 700;
    color: var(--text-primary);
}

@media (max-width: 768px) {
    .settings-container {
        max-width: 100%;
    }

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

/* 深色模式支持（可选） */
@media (prefers-color-scheme: dark) {
    /* 保留浅色主题，Todoist 风格主要是浅色 */
}