/* --- To-Do List 样式 --- */

           /* 日期导航栏 */
           .todo-date-navigator {
               display: flex;
               justify-content: space-between;
               align-items: center;
               padding: 15px 20px;
               background-color: #fff;
               border-bottom: 1px solid var(--border-color);
               flex-shrink: 0;
           }

           .todo-date-navigator button {
               background: none;
               border: none;
               font-size: 24px;
               color: var(--accent-color);
               cursor: pointer;
               padding: 0 10px;
           }

           #todo-current-date-display {
               font-size: 17px;
               font-weight: 600;
               color: var(--text-primary);
           }

           /* 任务卡片 */
           .todo-item {
               background-color: #fff;
               border-radius: 12px;
               padding: 15px;
               margin-bottom: 12px;
               display: flex;
               align-items: flex-start;
               /* 对齐顶部，适应多行文本 */
               gap: 12px;
               box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
               transition: all 0.2s;
               position: relative;
               overflow: hidden;
           }

           .todo-item.completed {
               opacity: 0.6;
               background-color: #f9f9f9;
           }

           /* 复选框样式 */
           .todo-checkbox {
               width: 22px;
               height: 22px;
               border-radius: 50%;
               border: 2px solid #c7c7cc;
               flex-shrink: 0;
               cursor: pointer;
               display: flex;
               align-items: center;
               justify-content: center;
               transition: all 0.2s;
               margin-top: 2px;
               /* 微调对齐 */
           }

           .todo-item.completed .todo-checkbox {
               background-color: var(--accent-color);
               border-color: var(--accent-color);
           }

           .todo-item.completed .todo-checkbox::after {
               content: '✔';
               color: white;
               font-size: 14px;
           }

           /* 任务内容 */
           .todo-info {
               flex-grow: 1;
               min-width: 0;
           }

           .todo-content {
               font-size: 16px;
               color: var(--text-primary);
               margin-bottom: 6px;
               line-height: 1.4;
               word-break: break-word;
           }

           .todo-item.completed .todo-content {
               text-decoration: line-through;
               color: var(--text-secondary);
           }

           .todo-meta {
               display: flex;
               align-items: center;
               gap: 8px;
               font-size: 12px;
           }

           /* 标签 Tag */
           .todo-tag {
               padding: 2px 8px;
               border-radius: 6px;
               color: white;
               font-weight: 500;
               font-size: 11px;
               background-color: var(--tag-color, #8e8e93);
           }

           /* 时间显示 */
           .todo-time {
               color: #ff3b30;
               /* 红色强调时间 */
               font-weight: 500;
           }

           .todo-item.completed .todo-time {
               color: var(--text-secondary);
           }

           /* 删除按钮 */
           .todo-delete-btn {
               padding: 5px 10px;
               color: #ff3b30;
               background: none;
               border: none;
               font-size: 18px;
               cursor: pointer;
               margin-left: 5px;
           }

           /* 空状态 */
           .todo-empty-state {
               text-align: center;
               color: var(--text-secondary);
               margin-top: 50px;
           }

           /* --- 类型选择器样式 --- */
           .todo-type-selector {
               display: flex;
               flex-wrap: wrap;
               gap: 10px;
           }

           .todo-type-option {
               padding: 6px 12px;
               border-radius: 15px;
               border: 1px solid #e5e5ea;
               font-size: 14px;
               cursor: pointer;
               color: var(--text-primary);
               background-color: #fff;
               transition: all 0.2s;
           }

           .todo-type-option.active {
               background-color: var(--tag-color);
               color: white;
               border-color: var(--tag-color);
           }

           /* --- 暗黑模式适配 --- */
           #phone-screen.dark-mode #todo-list-screen {
               background-color: #000 !important;
           }

           #phone-screen.dark-mode .todo-date-navigator {
               background-color: #1c1c1e;
               border-bottom-color: #38383a;
           }

           #phone-screen.dark-mode .todo-item {
               background-color: #1c1c1e;
           }

           #phone-screen.dark-mode .todo-item.completed {
               background-color: #121212;
           }

           #phone-screen.dark-mode .todo-type-option {
               background-color: #2c2c2e;
               border-color: #38383a;
               color: #fff;
           }

           /* --- 待办事项：左右分栏布局 (Chat Style) --- */

           /* 1. AI 创建的 (默认靠左) - 保持原样，微调间距 */
           .todo-item.is-char {
               flex-direction: row;
               /* 默认方向：多选框 -> 内容 -> 删除 */
           }

           /* 2. 用户创建的 (靠右) - 使用 row-reverse 翻转布局 */
           .todo-item.is-user {
               flex-direction: row-reverse;
               /* 翻转方向：删除 -> 内容 -> 多选框 */
               background-color: #e7f3ff;
               /* 可选：给用户发的气泡加一点淡淡的蓝色背景，区分更明显 */
           }

           /* 3. 用户内容的文字对齐 */
           .todo-item.is-user .todo-info {
               text-align: right;
               /* 文字靠右 */
               align-items: flex-end;
               /* 如果内部是 flex，则靠右对齐 */
           }

           /* 4. 标签和时间的对齐 */
           .todo-item.is-user .todo-meta {
               justify-content: flex-end;
               /* 标签和时间靠右排列 */
           }

           /* 5. 间距修正 (因为翻转了，margin方向也要反过来) */
           .todo-item.is-user .todo-checkbox {
               margin-right: 0;
               margin-left: 12px;
               /* Checkbox 在最右边，给左边留空隙 */
           }

           .todo-item.is-user .todo-delete-btn {
               margin-left: 0;
               margin-right: 5px;
               /* 删除按钮在最左边，给右边留空隙 */
           }

           /* 暗黑模式适配 */
           #phone-screen.dark-mode .todo-item.is-user {
               background-color: #1a2a3a;
               /* 暗黑模式下的深蓝色背景 */
           }

           #todo-current-date-display {
               cursor: pointer;
               /* 鼠标悬停变小手 */
               user-select: none;
               /* 防止双击选中文字 */
               transition: opacity 0.2s;
               padding: 5px 10px;
               /* 增加一点点击区域 */
               border-radius: 8px;
           }

           #todo-current-date-display:active {
               background-color: rgba(0, 0, 0, 0.05);
               /* 点击时的高亮反馈 */
               opacity: 0.6;
           }