/**
 * 鏍囬�: Components
 * 璇存槑: 閫氱敤缁勪欢鏍峰紡 - 鑷�畾涔夊�閫夋�/浼樺厛绾ф爣绛�/Toggle寮€鍏崇瓑
 * 鏃堕棿: 2026-03-03 21:12
 * @author: zhoujunyu
 */

/* ============================================
   鑷�畾涔夊�閫夋�
   ============================================ */

/* 闅愯棌鍘熷�澶嶉€夋� */
.checkbox-wrapper input[type="checkbox"] {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
}

/* 鑷�畾涔夊�閫夋�澶栬� */
.checkbox-wrapper .checkbox-custom {
    width: 20px;
    height: 20px;
    border: 2px solid var(--border-input);
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition-normal);
}

.checkbox-wrapper .checkbox-custom:hover {
    border-color: var(--primary);
}

/* 鍕鹃€夊浘鏍囷紙榛樿�闅愯棌锛� */
.checkbox-wrapper .checkbox-custom .material-symbols-outlined {
    font-size: 12px;
    color: #ffffff;
    font-weight: 700;
    opacity: 0;
    transition: opacity var(--transition-normal);
}

/* 閫変腑鐘舵€� */
.checkbox-wrapper input[type="checkbox"]:checked + .checkbox-custom {
    background-color: var(--primary);
    border-color: var(--primary);
}

.checkbox-wrapper input[type="checkbox"]:checked + .checkbox-custom .material-symbols-outlined {
    opacity: 1;
}

/* 宸插畬鎴愪换鍔＄殑澶嶉€夋� - 鐏拌壊 */
.checkbox-wrapper.completed input[type="checkbox"]:checked + .checkbox-custom {
    background-color: var(--text-placeholder);
    border-color: var(--text-placeholder);
}

/* ============================================
   灏忓彿澶嶉€夋�锛堝瓙浠诲姟/璇︽儏鐢�級
   ============================================ */
.checkbox-small input[type="checkbox"] {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
}

.checkbox-small .checkbox-box {
    width: 16px;
    height: 16px;
    border: 1px solid var(--border-input);
    border-radius: var(--radius-sm);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-normal);
}

.checkbox-small input[type="checkbox"]:checked + .checkbox-box {
    background-color: var(--primary);
    border-color: var(--primary);
}

.checkbox-small .checkbox-box .material-symbols-outlined {
    font-size: 10px;
    color: #ffffff;
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.checkbox-small input[type="checkbox"]:checked + .checkbox-box .material-symbols-outlined {
    opacity: 1;
}

/* ============================================
   浼樺厛绾ф爣绛�
   ============================================ */
.priority-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: 0.75rem;
    font-weight: 500;
    padding: 4px 8px;
    border-radius: var(--radius-full);
}

/* 浼樺厛绾у皬鍦嗙偣 */
.priority-badge .dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
}

/* 楂樹紭鍏堢骇 */
.priority-badge.priority-high {
    color: var(--priority-high);
    background-color: var(--priority-high-bg);
    border: 1px solid var(--priority-high-border);
}

.priority-badge.priority-high .dot {
    background-color: var(--priority-high);
}

/* 涓�紭鍏堢骇 */
.priority-badge.priority-mid {
    color: var(--priority-mid);
    background-color: var(--priority-mid-bg);
    border: 1px solid var(--priority-mid-border);
}

.priority-badge.priority-mid .dot {
    background-color: var(--priority-mid);
}

/* 浣庝紭鍏堢骇 */
.priority-badge.priority-low {
    color: var(--priority-low);
    background-color: var(--priority-low-bg);
    border: 1px solid var(--priority-low-border);
}

.priority-badge.priority-low .dot {
    background-color: var(--priority-low);
}

/* 宸插畬鎴愮姸鎬� */
.priority-badge.priority-done {
    color: var(--text-placeholder);
    background-color: var(--bg-sidebar);
    border: 1px solid var(--border-lighter);
}

/* ============================================
   Toggle 寮€鍏�
   ============================================ */
.toggle-switch {
    position: relative;
    display: inline-flex;
    align-items: center;
    cursor: pointer;
}

.toggle-switch input[type="checkbox"] {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
}

/* 寮€鍏宠建閬� */
.toggle-track {
    width: 36px;
    height: 20px;
    background-color: var(--border-light);
    border-radius: var(--radius-full);
    position: relative;
    transition: background-color var(--transition-normal);
}

/* 寮€鍏虫粦鍧� */
.toggle-track::after {
    content: '';
    position: absolute;
    top: 2px;
    left: 2px;
    width: 16px;
    height: 16px;
    background-color: #ffffff;
    border-radius: 50%;
    border: 1px solid #d1d5db;
    transition: transform var(--transition-normal);
}

/* 寮€鍚�姸鎬� */
.toggle-switch input[type="checkbox"]:checked + .toggle-track {
    background-color: var(--primary);
}

.toggle-switch input[type="checkbox"]:checked + .toggle-track::after {
    transform: translateX(16px);
    border-color: transparent;
}
/* ============================================
   额外微动效增补
   ============================================ */

.nav-link:active, .folder-link:active {
    transform: scale(0.98);
}

.add-task-card:hover {
    box-shadow: var(--shadow-xl);
}

.task-item:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
}

.prop-row:active {
    transform: scale(0.99);
}

/* ============================================
   额外微动效增补与细节补充
   ============================================ */

/* 侧边导航微交互 */
.nav-link:active, .folder-link:active, .user-btn:active {
    transform: scale(0.98);
}
.nav-link:hover, .folder-link:hover {
    padding-left: 14px; /* Slight right shift on hover */
}

/* 添加任务栏高亮 */
.add-task-card:hover {
    box-shadow: 0 10px 25px -5px rgba(19, 127, 236, 0.15), 0 8px 10px -6px rgba(19, 127, 236, 0.1);
    transform: translateY(-1px);
}

/* 任务列表条目动效 */
.task-item {
    transition: all 0.25s cubic-bezier(0.2, 0.8, 0.2, 1);
}
.task-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
    background-color: var(--bg-white);
    border-color: var(--primary-light);
}

/* 主操作按钮（更低调的次要按钮风格）*/
.add-submit-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
    background-color: transparent;
    color: var(--primary);
    padding: 6px 12px;
    border-radius: var(--radius-sm, 6px);
    border: none;
    font-weight: 500;
    font-size: 0.875rem;
    cursor: pointer;
    transition: all var(--transition-fast);
}
.add-submit-btn .material-symbols-outlined {
    font-size: 18px;
}
.add-submit-btn:hover {
    background-color: rgba(59, 130, 246, 0.1);
    color: var(--primary-hover);
}
.add-submit-btn:active {
    background-color: rgba(59, 130, 246, 0.15);
}

/* 详情信息交互细节 */
.prop-row:active {
    transform: scale(0.99);
}

.subtask-item {
    padding: 4px;
    border-radius: var(--radius-sm);
    transition: background-color var(--transition-fast);
}
.subtask-item:hover {
    background-color: var(--bg-input);
}

/* ============================================
   辅助工具类
   ============================================ */

/* 隐藏元素 */
.hidden {
    display: none !important;
}

/* 空状态提示 */
.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 60px 20px;
    color: var(--text-placeholder);
}

.empty-state .material-symbols-outlined {
    font-size: 48px;
    margin-bottom: 12px;
    opacity: 0.4;
}

.empty-state p {
    font-size: 0.875rem;
}

/* 子任务输入框 */
.subtask-input-row {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: 4px 0;
}

.subtask-input {
    flex: 1;
    padding: 6px 10px;
    font-size: 0.875rem;
    color: var(--text-primary);
    background-color: var(--bg-input);
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-light);
    transition: border-color var(--transition-fast);
}

.subtask-input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 2px var(--primary-light);
}

.subtask-input::placeholder {
    color: var(--text-placeholder);
}

/* ============================================
   消息通知与右上角提醒
   ============================================ */
.notification-wrapper {
    display: flex;
    align-items: center;
}

.notification-btn {
    position: relative;
    background: transparent;
    border: none;
    color: var(--text-secondary);
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition-fast);
}

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

.notification-badge {
    position: absolute;
    top: 4px;
    right: 4px;
    background-color: #ef4444; /* 红色警告 */
    color: white;
    font-size: 10px;
    font-weight: bold;
    min-width: 16px;
    height: 16px;
    border-radius: 8px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 2px solid var(--bg-white);
    padding: 0 4px;
    pointer-events: none;
}

.notification-popup {
    position: absolute;
    top: calc(100% + 12px);
    right: -10px;
    width: 280px;
    background-color: var(--bg-white);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
    z-index: 1000;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    animation: fadeInDown 0.2s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.notification-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    border-bottom: 1px solid var(--border-lighter);
    background-color: var(--bg-sidebar);
}

.notification-title {
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--text-primary);
}

.notification-list {
    max-height: 320px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
}

.notification-empty {
    padding: 32px 16px;
    text-align: center;
    color: var(--text-placeholder);
    font-size: 0.85rem;
}

.notification-item {
    display: flex;
    flex-direction: column;
    padding: 12px 16px;
    border-bottom: 1px solid var(--border-lighter);
    cursor: pointer;
    transition: background-color var(--transition-fast);
}

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

.notification-item:hover {
    background-color: var(--bg-hover);
}

.notification-item-title {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 4px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.notification-item-time {
    font-size: 0.75rem;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 4px;
}
/* 文件夹激活状态 */
.folder-link.active {
    background-color: var(--bg-white);
    color: var(--primary);
    font-weight: 600;
    box-shadow: var(--shadow-sm);
    border: 1px solid rgba(15, 23, 42, 0.05);
}

/* 优先级旗帜颜色变体 */
.flag-blue { color: var(--priority-low) !important; }
.flag-orange { color: var(--priority-mid) !important; }
.flag-red { color: var(--priority-high) !important; }

/* 详情面板隐藏过渡 */
.detail-panel.hidden {
    width: 0;
    min-width: 0;
    overflow: hidden;
    padding: 0;
    border: none;
    opacity: 0;
}

.detail-panel {
    transition: width 0.3s ease, opacity 0.3s ease;
}

/* ============================================
   标签样式
   ============================================ */

/* 任务列表中的标签小徽章 */
.task-tag {
    display: inline-flex;
    align-items: center;
    font-size: 0.625rem;
    font-weight: 600;
    padding: 1px 6px;
    border-radius: var(--radius-full);
    color: #7c3aed;
    background-color: #f3f0ff;
    border: 1px solid #e4d9fc;
    margin-left: 4px;
}

/* 详情面板中的标签 */
.detail-tags-list {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    align-items: center;
}

.detail-tag {
    display: inline-flex;
    align-items: center;
    font-size: 0.75rem;
    font-weight: 500;
    padding: 2px 8px;
    border-radius: var(--radius-full);
    color: #7c3aed;
    background-color: #f3f0ff;
    border: 1px solid #e4d9fc;
}

/* 空标签提示 */
.prop-value-empty {
    font-size: 0.875rem;
    color: var(--text-placeholder);
}

/* 工具栏标签按钮激活状态 */
.toolbar-btn.tag-active {
    color: var(--text-secondary);
    background-color: #f8fafc;
    border-color: #e2e8f0;
}

/* 工具栏中每个独立标签小徽章 */
.toolbar-tag-item {
    display: inline-flex;
    align-items: center;
    font-size: 0.7rem;
    font-weight: 600;
    padding: 1px 6px;
    border-radius: var(--radius-full);
    border: 1px solid;
    margin-left: 2px;
}

/* 清单按钮文字 */
.cat-label {
    font-size: 0.75rem;
    font-weight: 600;
    margin-left: 2px;
}

/* ============================================
   清单选择弹窗
   ============================================ */
.category-popup {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 140px;
    background: var(--bg-white);
    border-radius: var(--radius-md);
    box-shadow: 0 10px 30px -5px rgba(0, 0, 0, 0.2), 0 0 0 1px rgba(0, 0, 0, 0.05);
    z-index: 60;
    overflow: hidden;
    padding: 4px;
    margin-top: 4px;
    animation: popupFadeIn 0.15s ease;
}

.category-popup-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--text-primary);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: background-color var(--transition-fast);
}

.category-popup-item:hover {
    background-color: var(--bg-sidebar);
}

/* ============================================
   属性行可编辑下拉
   ============================================ */

/* 可编辑属性行 hover 提示 */
.prop-row-editable {
    position: relative;
    cursor: pointer;
    border-radius: var(--radius-md);
    transition: background-color var(--transition-fast);
}

.prop-row-editable:hover {
    background-color: var(--bg-input);
}

.prop-row-editable:hover .prop-value::after {
    content: '▾';
    margin-left: 4px;
    font-size: 0.65rem;
    color: var(--text-placeholder);
}

/* 下拉菜单容器 */
.prop-dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    min-width: 140px;
    background: var(--bg-white);
    border-radius: var(--radius-md);
    box-shadow: 0 10px 30px -5px rgba(0, 0, 0, 0.2), 0 0 0 1px rgba(0, 0, 0, 0.05);
    z-index: 50;
    overflow: hidden;
    padding: 4px;
    animation: popupFadeIn 0.15s ease;
}

/* 下拉菜单项 */
.prop-dropdown-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--text-primary);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: background-color var(--transition-fast);
}

.prop-dropdown-item:hover {
    background-color: var(--bg-sidebar);
}

/* 下拉菜单中的优先级圆点 */
.prop-dropdown-item .priority-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    flex-shrink: 0;
}

/* ============================================
   标签选择弹窗
   ============================================ */
.tag-popup {
    position: absolute;
    top: 100%;
    left: 0;
    margin-top: 4px;
    width: 260px;
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    box-shadow: 0 20px 60px -12px rgba(0, 0, 0, 0.25), 0 0 0 1px rgba(0, 0, 0, 0.05);
    z-index: 100;
    overflow: hidden;
    animation: popupFadeIn 0.2s ease;
}

@keyframes popupFadeIn {
    from { opacity: 0; transform: translateY(-8px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* 弹窗标题 */
.tag-popup-header {
    padding: 12px 16px 8px;
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: 0.02em;
}

/* 标签列表 */
.tag-popup-list {
    max-height: 180px;
    overflow-y: auto;
    padding: 0 8px;
}

.tag-popup-empty {
    padding: 16px;
    text-align: center;
    font-size: 0.8rem;
    color: var(--text-placeholder);
}

/* 标签列表项 */
.tag-popup-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 8px;
    cursor: pointer;
    border-radius: var(--radius-md);
    transition: background-color var(--transition-fast);
    position: relative;
}

.tag-popup-item:hover {
    background-color: var(--bg-sidebar);
}

.tag-popup-item.selected {
    background-color: #eff6ff;
}

/* 标签颜色圆点 */
.tag-popup-color {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    flex-shrink: 0;
}

/* 标签文字 */
.tag-popup-text {
    flex: 1;
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--text-primary);
}

/* 选中勾 */
.tag-check {
    font-size: 16px;
    color: var(--primary);
    font-weight: 700;
}

/* 删除按钮 */
.tag-popup-delete {
    opacity: 0;
    padding: 2px;
    border-radius: var(--radius-sm);
    transition: opacity var(--transition-fast), background-color var(--transition-fast);
    display: flex;
    align-items: center;
}

.tag-popup-item:hover .tag-popup-delete {
    opacity: 0.5;
}

.tag-popup-delete:hover {
    opacity: 1 !important;
    background-color: #fef2f2;
    color: #ef4444;
}

.tag-popup-delete .material-symbols-outlined {
    font-size: 14px;
}

/* 分割线 */
.tag-popup-divider {
    height: 1px;
    background: var(--border-lighter);
    margin: 4px 12px;
}

/* 创建标签区域 */
.tag-popup-create {
    padding: 10px 12px 12px;
}

.tag-popup-create-row {
    margin-bottom: 8px;
}

.tag-popup-input {
    width: 100%;
    padding: 6px 10px;
    font-size: 0.8rem;
    color: var(--text-primary);
    background-color: var(--bg-input);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    transition: border-color var(--transition-fast);
    box-sizing: border-box;
}

.tag-popup-input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 2px var(--primary-light);
}

.tag-popup-input::placeholder {
    color: var(--text-placeholder);
}

/* 颜色选择器 */
.tag-popup-colors {
    display: flex;
    gap: 6px;
    margin-bottom: 10px;
    flex-wrap: wrap;
}

.color-dot {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    cursor: pointer;
    border: 2px solid transparent;
    transition: all var(--transition-fast);
    box-sizing: border-box;
}

.color-dot:hover {
    transform: scale(1.15);
}

.color-dot.active {
    border-color: var(--text-primary);
    box-shadow: 0 0 0 2px var(--bg-white), 0 0 0 3px currentColor;
    transform: scale(1.1);
}

/* 创建按钮 */
.tag-popup-create-btn {
    width: 100%;
    padding: 6px 12px;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--bg-white);
    background-color: var(--primary);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-normal);
}

.tag-popup-create-btn:hover:not(:disabled) {
    background-color: var(--primary-hover);
    box-shadow: 0 2px 6px rgba(19, 127, 236, 0.3);
}

.tag-popup-create-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

/* 侧栏标签点击交互 */
.sidebar-tag {
    cursor: pointer;
    transition: all var(--transition-fast);
    border: 1px solid currentColor;
    border-radius: var(--radius-full);
}

.sidebar-tag:hover {
    transform: scale(1.05);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

/* 详情标签可点击提示 */
.detail-tags-list {
    cursor: pointer;
}

.detail-tags-list:hover {
    opacity: 0.85;
}

/* ============================================
   自定义弹窗（Modal）
   ============================================ */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.35);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    animation: modalFadeIn 0.2s ease;
}

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

.modal-card {
    background: var(--bg-white);
    border-radius: var(--radius-xl, 16px);
    box-shadow: 0 25px 60px -12px rgba(0, 0, 0, 0.3);
    width: 380px;
    max-width: 90vw;
    overflow: hidden;
    animation: modalSlideIn 0.25s ease;
}

@keyframes modalSlideIn {
    from { transform: translateY(-20px) scale(0.96); opacity: 0; }
    to { transform: translateY(0) scale(1); opacity: 1; }
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 18px 20px 0;
}

.modal-title {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-primary);
}

.modal-close {
    background: none;
    border: none;
    color: var(--text-placeholder);
    cursor: pointer;
    border-radius: 50%;
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

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

.modal-close .material-symbols-outlined {
    font-size: 18px;
}

.modal-body {
    padding: 16px 20px;
}

.modal-label {
    display: block;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 6px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.modal-input {
    width: 100%;
    padding: 10px 12px;
    border: 1.5px solid var(--border-light);
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    font-family: inherit;
    color: var(--text-primary);
    background: var(--bg-white);
    outline: none;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
    box-sizing: border-box;
}

.modal-input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

.modal-input::placeholder {
    color: var(--text-placeholder);
}

.modal-colors {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.modal-color-dot {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    cursor: pointer;
    border: 2.5px solid transparent;
    transition: all var(--transition-fast);
    position: relative;
}

.modal-color-dot:hover {
    transform: scale(1.15);
}

.modal-color-dot.selected {
    border-color: var(--text-primary);
    box-shadow: 0 0 0 2px var(--bg-white), 0 0 0 4px currentColor;
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 8px;
    padding: 0 20px 18px;
}

.modal-btn {
    padding: 8px 20px;
    border-radius: var(--radius-md);
    font-size: 0.8rem;
    font-weight: 600;
    cursor: pointer;
    border: none;
    transition: all var(--transition-fast);
}

.modal-btn-cancel {
    background: var(--bg-sidebar);
    color: var(--text-secondary);
}

.modal-btn-cancel:hover {
    background: var(--border-lighter);
}

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

.modal-btn-confirm:hover {
    background: var(--primary-dark, #4338ca);
}

.modal-btn-confirm:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* ============================================
   登录弹窗
   ============================================ */
.login-overlay {
    position: fixed;
    inset: 0;
    /* 采用浅灰色半透明底色，以便凸显卡片的白底毛玻璃 */
    background: rgba(160, 160, 160, 0.4);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    animation: loginFadeIn 0.4s ease;
}

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

.login-card {
    background: rgba(250, 250, 250, 0.85);
    backdrop-filter: blur(25px);
    -webkit-backdrop-filter: blur(25px);
    border: 1px solid rgba(255, 255, 255, 0.4);
    border-radius: 24px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.08), inset 0 1px 0 rgba(255,255,255,0.6);
    width: 380px;
    max-width: 90vw;
    padding: 48px 36px 40px;
    animation: loginSlideIn 0.5s cubic-bezier(0.16, 1, 0.3, 1);
    text-align: center;
}

@keyframes loginSlideIn {
    from { transform: translateY(-20px) scale(0.97); opacity: 0; }
    to { transform: translateY(0) scale(1); opacity: 1; }
}

.login-header {
    margin-bottom: 28px;
}

.login-title {
    font-size: 1.6rem;
    font-weight: 800;
    color: #1e293b;
    margin: 0 0 8px;
    letter-spacing: -0.5px;
}

.login-subtitle {
    font-size: 0.9rem;
    color: #64748b;
    margin: 0;
}

.login-body {
    display: flex;
    flex-direction: column;
    gap: 16px;
    text-align: left;
}

.login-field {
    position: relative;
}

.login-field-icon {
    position: absolute;
    left: 16px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 20px;
    color: #94a3b8;
    pointer-events: none;
    transition: color 0.2s;
}

.login-field input {
    width: 100%;
    padding: 14px 16px 14px 44px;
    border: 1px solid rgba(148, 163, 184, 0.3);
    border-radius: 14px;
    font-size: 0.95rem;
    font-family: inherit;
    color: #334155;
    background: #eef2f9; /* 淡蓝色背景 */
    outline: none;
    transition: all 0.2s;
    box-sizing: border-box;
    box-shadow: inset 0 2px 4px rgba(0,0,0,0.02);
}

.login-field input::placeholder {
    color: #94a3b8;
}

.login-field input:focus {
    border-color: #8176D3;
    background: #ffffff;
    box-shadow: 0 0 0 4px rgba(129, 118, 211, 0.15), inset 0 1px 2px rgba(0,0,0,0.01);
}

.login-field input:focus + .login-field-icon,
.login-field:focus-within .login-field-icon {
    color: #8176D3;
}

.login-error {
    color: #ef4444;
    font-size: 0.8rem;
    margin: 0;
    padding: 0 4px;
    animation: shake 0.3s ease;
    text-align: center;
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-6px); }
    75% { transform: translateX(6px); }
}

.login-btn {
    width: 100%;
    padding: 14px 0;
    border: none;
    border-radius: 12px;
    background: var(--primary, #3b82f6);
    color: white;
    font-size: 0.95rem;
    font-weight: 600;
    font-family: inherit;
    cursor: pointer;
    transition: all 0.2s;
    letter-spacing: 1px;
    margin-top: 10px;
    box-shadow: 0 4px 12px -2px rgba(59, 130, 246, 0.3);
}

.login-btn:hover {
    transform: translateY(-1px);
    background: var(--primary-dark, #2563eb);
    box-shadow: 0 6px 14px -2px rgba(59, 130, 246, 0.4);
}

.login-btn:active {
    transform: translateY(0);
    box-shadow: 0 2px 6px -1px rgba(59, 130, 246, 0.3);
}

.login-btn:disabled {
    opacity: 0.65;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.login-footer {
    text-align: center;
    margin-top: 24px;
    font-size: 0.88rem;
    color: #64748b;
}

.login-footer a {
    color: #5171df;
    text-decoration: none;
    font-weight: 700;
    margin-left: 6px;
    transition: color 0.2s;
}

.login-footer a:hover {
    color: #3b5bdb;
}

.login-overlay.hidden {
    display: none;
}

/* ============================================
   文件夹操作更多弹窗
   ============================================ */
.folder-popup {
    position: absolute;
    background: var(--bg-white, #ffffff);
    border: 1px solid var(--border-light, #e2e8f0);
    border-radius: 8px;
    box-shadow: var(--shadow-lg, 0 10px 15px -3px rgba(0, 0, 0, 0.1));
    padding: 6px;
    z-index: 1000;
    width: 120px;
    transition: opacity 0.2s, transform 0.2s;
    user-select: none;
}

.folder-popup.hidden {
    display: none;
}

.folder-popup-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.85rem;
    color: var(--text-secondary);
    transition: background 0.15s;
}

.folder-popup-item:hover {
    background: var(--bg-hover, #f1f5f9);
    color: var(--text-primary);
}

.folder-popup-item.text-red {
    color: #ef4444;
}
.folder-popup-item.text-red:hover {
    background: #fef2f2;
    color: #dc2626;
}

/* ============================================
   自定义日期选择弹窗
   ============================================ */
.calendar-popup {
    position: absolute;
    top: calc(100% + 8px);
    left: 0;
    width: 280px;
    background: var(--bg-white, #ffffff);
    border: 1px solid var(--border-light, #e2e8f0);
    border-radius: 12px;
    box-shadow: var(--shadow-lg, 0 10px 15px -3px rgba(0, 0, 0, 0.1));
    padding: 16px;
    z-index: 1000;
    transition: opacity 0.2s, transform 0.2s;
    user-select: none;
}

.calendar-popup.hidden {
    display: none;
}

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

.calendar-month-year {
    font-weight: 700;
    font-size: 1.1rem;
    display: flex;
    align-items: center;
    gap: 4px;
    cursor: pointer;
}

.calendar-nav {
    display: flex;
    gap: 4px;
}

.calendar-nav-btn {
    background: none;
    border: none;
    cursor: pointer;
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 6px;
    transition: background-color 0.2s;
    color: var(--text-primary);
}

.calendar-nav-btn:hover {
    background-color: var(--bg-light, #f3f5f7);
}

.calendar-weekdays {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    text-align: center;
    font-weight: 600;
    color: var(--text-secondary);
    font-size: 0.85rem;
    margin-bottom: 8px;
}

.calendar-days {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    row-gap: 4px;
}

.calendar-day {
    aspect-ratio: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.95rem;
    cursor: pointer;
    border-radius: 6px;
    transition: all 0.2s;
    border: 2px solid transparent;
}

.calendar-day:hover {
    background-color: var(--bg-light, #f3f5f7);
}

.calendar-day.prev-month,
.calendar-day.next-month {
    color: var(--text-placeholder);
}

.calendar-day.today {
    color: var(--primary);
    font-weight: 700;
}

.calendar-day.selected {
    border-color: #000;
    background-color: var(--bg-light, #f3f5f7);
    font-weight: 700;
}

.calendar-month-item {
    padding: 8px 0;
    text-align: center;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s;
    font-size: 0.95rem;
    border: 2px solid transparent;
}

.calendar-month-item:hover {
    background-color: var(--bg-light, #f3f5f7);
}

.calendar-month-item.today {
    color: var(--primary);
    font-weight: 700;
}

.calendar-month-item.selected {
    border-color: #000;
    background-color: var(--bg-light, #f3f5f7);
    font-weight: 700;
}

.calendar-footer {
    display: flex;
    justify-content: space-between;
    margin-top: 16px;
    padding-top: 12px;
    border-top: 1px solid var(--border-light, #e2e8f0);
}

.calendar-footer-btn {
    background: none;
    border: none;
    color: var(--primary);
    font-weight: 600;
    cursor: pointer;
    padding: 4px 8px;
    border-radius: 4px;
    transition: background-color 0.2s;
}

.calendar-footer-btn:hover {
    background-color: var(--primary-light);
}