/* ===========================
   🔧 样式修复补丁
   修复日落橙主题升级后的样式问题
   =========================== */

/* ===========================
   🏠 Home 页面优化
   =========================== */

/* 1. 进一步减小 Hero 区域的尺寸和留白 */
.hero {
    padding: var(--spacing-xl) 0 !important;  /* 进一步减少: 2xl → xl (64px → 40px) */
    margin-bottom: var(--spacing-lg) !important; /* 进一步减少: xl → lg (40px → 28px) */
}

.hero::before {
    display: none !important; /* 移除背景光晕以减少视觉高度 */
}

.hero h1 {
    font-size: var(--font-size-3xl) !important; /* 进一步减小: 4xl → 3xl (52px → 40px) */
    margin-bottom: var(--spacing-sm) !important; /* 进一步减少: md → sm (16px → 10px) */
}

.hero p {
    font-size: var(--font-size-base) !important; /* 进一步减小: lg → base (21px → 18px) */
    max-width: 600px !important;
}

/* 2. 移除"最新文章"标题下的下划线 */
.recent-articles h2::after,
.article-list h2::after {
    display: none !important;
}

.recent-articles h2,
.article-list h2 {
    margin-bottom: var(--spacing-lg) !important;
}

/* ===========================
   1️⃣ 分页样式 - 增大尺寸，增加间距
   =========================== */

.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-xl);
    padding: var(--spacing-md) 0;
    flex-wrap: wrap;
}

.pagination-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 2.75rem;          /* 增大 from 2.25rem */
    height: 2.75rem;             /* 增大 from 2.25rem */
    padding: 0 var(--spacing-md); /* 增大 from sm */
    border: 1.5px solid var(--color-border);
    border-radius: var(--radius-md);
    background-color: var(--color-bg-primary);
    color: var(--color-text-primary);
    font-size: var(--font-size-base); /* 增大 from sm */
    font-family: var(--font-display);
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
    line-height: 1;
}

.pagination-btn:hover:not(:disabled):not(.active) {
    background-color: var(--color-accent-soft);
    border-color: var(--color-accent-primary);
    color: var(--color-accent-primary);
    transform: translateY(-2px);
}

.pagination-btn.active {
    background-color: var(--color-accent-primary);
    border-color: var(--color-accent-primary);
    color: white;
    font-weight: 700;
    box-shadow: var(--shadow-sm);
}

.pagination-btn:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

.pagination-prev,
.pagination-next {
    padding: 0 var(--spacing-lg);
    font-weight: 600;
}

.pagination-ellipsis {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 2.75rem;
    height: 2.75rem;
    color: var(--color-text-tertiary);
    font-size: var(--font-size-base);
    user-select: none;
}

/* ===========================
   2️⃣ Articles 筛选器样式优化
   =========================== */

.articles-filters {
    display: flex;
    flex-wrap: wrap;
    align-items: flex-end; /* 3. 底部对齐视图切换按钮和下拉菜单 */
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
    padding: var(--spacing-xl);
    background: linear-gradient(135deg, var(--color-bg-secondary) 0%, var(--color-bg-primary) 100%);
    border-radius: var(--radius-xl);
    border: 1.5px solid var(--color-border);
    box-shadow: var(--shadow-md);
}

.filter-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    min-width: 200px;
}

.filter-group label {
    font-family: var(--font-display);
    font-weight: 700;
    color: var(--color-text-primary);
    font-size: var(--font-size-base);
    letter-spacing: 0.02em;
}

.filter-select {
    padding: var(--spacing-md) var(--spacing-lg);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-lg);
    background-color: var(--color-bg-primary);
    color: var(--color-text-primary);
    font-family: var(--font-display);
    font-size: var(--font-size-base);
    font-weight: 600; /* 2. 增强字重 */
    line-height: 1.5; /* 2. 增加行高 */
    min-width: 240px; /* 2. 进一步增加最小宽度: 200px → 240px */
    height: 56px; /* 2. 进一步增加高度: 52px → 56px */
    transition: all var(--transition-normal);
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23FF8C42' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right var(--spacing-md) center;
    padding-right: calc(var(--spacing-lg) + 32px); /* 2. 增加右侧padding */
}

/* 3. 下拉选项样式 - 增强对比度 */
.filter-select option {
    background-color: var(--color-bg-primary); /* 3. 白色背景 */
    color: var(--color-text-primary); /* 3. 深色文字 */
    padding: var(--spacing-md);
    font-weight: 500;
}

.filter-select option:checked,
.filter-select option:hover {
    background-color: var(--color-accent-primary) !important; /* 3. 橙色背景 */
    color: white !important; /* 3. 白色文字 */
    font-weight: 700;
}

/* Firefox 特殊处理 */
.filter-select option:checked {
    background: var(--color-accent-primary) linear-gradient(0deg, var(--color-accent-primary) 0%, var(--color-accent-primary) 100%);
}

/* Chrome/Safari 下拉框背景 */
.filter-select:focus option:checked {
    background-color: var(--color-accent-primary);
    color: white;
}

.filter-select:focus {
    outline: none;
    border-color: var(--color-accent-primary);
    box-shadow: 0 0 0 4px var(--color-accent-soft);
}

.filter-select:hover {
    border-color: var(--color-accent-primary);
    background-color: var(--color-accent-soft);
}

.filter-select:active {
    background-color: var(--color-bg-tertiary);
}

/* Filter chips for active filters */
.active-filters {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
    padding: var(--spacing-sm) 0;
}

.filter-chip {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    background-color: var(--color-accent-primary);
    color: white;
    border-radius: var(--radius-2xl);
    font-family: var(--font-display);
    font-size: var(--font-size-sm);
    font-weight: 600;
    border: none;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.filter-chip:hover {
    background-color: var(--color-accent-secondary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
}

.filter-chip .remove-filter {
    cursor: pointer;
    font-weight: bold;
    margin-left: var(--spacing-xs);
    opacity: 0.8;
    transition: opacity var(--transition-fast);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.2);
    line-height: 1;
}

.filter-chip .remove-filter:hover {
    opacity: 1;
    background-color: rgba(255, 255, 255, 0.35);
}

.article-list {
    display: grid;
    gap: var(--spacing-xl);
}

.no-results {
    text-align: center;
    padding: var(--spacing-3xl);
    color: var(--color-text-tertiary);
    font-size: var(--font-size-lg);
    font-style: italic;
}

/* ===========================
   3️⃣ 视图切换按钮 - 增大尺寸，优化样式
   =========================== */

.view-toggle {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-left: auto;
}

.view-toggle-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 56px;              /* 更新：与新的下拉菜单高度一致 */
    height: 56px;             /* 更新：与新的下拉菜单高度一致 */
    padding: 0;
    border: 2px solid var(--color-border);
    border-radius: var(--radius-lg);
    background-color: var(--color-bg-primary);
    color: var(--color-text-secondary);
    cursor: pointer;
    transition: all var(--transition-normal);
}

.view-toggle-btn:hover {
    border-color: var(--color-accent-primary);
    color: var(--color-accent-primary);
    background-color: var(--color-accent-soft);
    transform: scale(1.05);
}

.view-toggle-btn.active {
    border-color: var(--color-accent-primary);
    color: white;
    background-color: var(--color-accent-primary);
    box-shadow: var(--shadow-warm);
}

/* 移除点击后的橙色边框 */
.view-toggle-btn:focus {
    outline: none !important;
}

.view-toggle-btn:focus-visible {
    outline: 2px solid var(--color-accent-primary);
    outline-offset: 3px;
}

.view-toggle-btn svg {
    width: 20px;
    height: 20px;
}

/* ===========================
   4️⃣ 搜索界面优化
   =========================== */

/* 4. 修复搜索控件布局，消除留白 */
.search-controls {
    display: flex;
    flex-direction: column;
    gap: 0 !important; /* 4. 移除间距 */
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 2px solid var(--color-border);
    transition: all var(--transition-normal);
    background-color: var(--color-bg-primary);
}

.search-input-container {
    display: flex;
    align-items: stretch;
    position: relative;
}

.search-input {
    flex: 1;
    padding: var(--spacing-lg) var(--spacing-xl);
    border: none;
    outline: none;
    font-size: var(--font-size-lg);
    font-family: var(--font-body);
    background-color: transparent;
    color: var(--color-text-primary);
    min-height: 56px;
}

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

.search-button {
    padding: var(--spacing-md) var(--spacing-xl);  /* 减小 from lg */
    background: var(--color-accent-primary);
    border: none;
    border-left: 2px solid var(--color-border);
    cursor: pointer;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 80px;
    position: relative;
}

.search-button::after {
    content: '搜索';
    font-family: var(--font-display);
    font-size: var(--font-size-base);
    font-weight: 600;
    color: white;
    margin-left: var(--spacing-sm);
}

.search-button:hover {
    background: var(--color-accent-secondary);
    transform: scale(1.02);
}

.search-button:active {
    transform: scale(0.98);
}

.search-icon {
    width: 20px;
    height: 20px;
    color: white;
}

.search-options {
    display: flex;
    border-top: 2px solid var(--color-border); /* 4. 与外框保持一致 */
    background-color: var(--color-bg-secondary);
    margin: 0 !important; /* 4. 移除可能的外边距 */
}

.radio-option {
    display: flex;
    align-items: center;
    padding: var(--spacing-md) var(--spacing-lg);
    cursor: pointer;
    transition: background-color var(--transition-fast);
    height: 100%;
    border-right: 1px solid var(--color-border);
    font-size: var(--font-size-sm);
    font-weight: 500;
    font-family: var(--font-display);
}

.radio-option:last-child {
    border-right: none;
}

.radio-option:hover {
    background-color: var(--color-bg-tertiary);
}

.radio-option input[type="radio"] {
    margin-right: var(--spacing-xs);
    cursor: pointer;
}

.radio-text {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    cursor: pointer;
}

.radio-option input[type="radio"]:checked + .radio-text {
    color: var(--color-accent-primary);
    font-weight: 700;
}

/* ===========================
   5️⃣ TODO 页面完整样式
   =========================== */

/* 覆盖 max-width */
body.todo-page .page-main {
    max-width: 100%;
}

.todo-section {
    width: 100%;
    padding: var(--spacing-lg);
}

.todo-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-xl);
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.todo-title {
    margin: 0;
    font-size: var(--font-size-2xl);
    color: var(--color-text-primary);
    font-family: var(--font-display);
    font-weight: 800;
}

.todo-title a {
    color: inherit;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-lg);
    transition: all var(--transition-fast);
}

.todo-title a:hover {
    color: var(--color-accent-primary);
    background-color: var(--color-accent-soft);
}

.todo-title-icon {
    opacity: 0.4;
    transition: all var(--transition-fast);
    flex-shrink: 0;
}

.todo-title a:hover .todo-title-icon {
    opacity: 1;
    transform: translate(3px, -3px);
}

.todo-auth {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.todo-user {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.todo-user-avatar {
    width: 36px;              /* 减小 from 过大 */
    height: 36px;
    border-radius: 50%;
    border: 2px solid var(--color-accent-primary);
}

.todo-user-name {
    font-family: var(--font-display);
    font-weight: 600;
    color: var(--color-text-primary);
    font-size: var(--font-size-base);
}

/* 按钮样式 */
.todo-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-sm) var(--spacing-lg);
    border: 1.5px solid var(--color-border);
    border-radius: var(--radius-lg);
    cursor: pointer;
    font-family: var(--font-display);
    font-size: var(--font-size-base);
    font-weight: 600;
    text-decoration: none;
    transition: all var(--transition-normal);
    background: var(--color-bg-secondary);
    color: var(--color-text-primary);
}

.todo-btn:hover {
    transform: translateY(-2px);
    background: var(--color-bg-tertiary);
    box-shadow: var(--shadow-sm);
}

.todo-btn::before {
    display: none;
}

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

.todo-btn-primary:hover {
    background: var(--color-accent-secondary);
    border-color: var(--color-accent-secondary);
    color: white;
    box-shadow: var(--shadow-warm);
}

.todo-btn-accent {
    background: var(--color-bg-primary);
    color: var(--color-accent-primary);
    border-color: var(--color-accent-primary);
}

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

.todo-btn-small {
    padding: var(--spacing-xs) var(--spacing-md);
    font-size: var(--font-size-sm);
}

.todo-btn-danger {
    color: #ef4444;
    border-color: #ef4444;
}

.todo-btn-danger:hover {
    background: #ef4444;
    color: white;
}

/* Loading */
.todo-loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-3xl);
    color: var(--color-text-secondary);
}

.todo-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--color-border);
    border-top-color: var(--color-accent-primary);
    border-radius: 50%;
    animation: todoSpin 0.8s linear infinite;
    margin-bottom: var(--spacing-md);
}

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

/* Error */
.todo-error {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-xl);
    background: var(--color-bg-secondary);
    border: 2px solid #ef4444;
    border-radius: var(--radius-xl);
    color: #ef4444;
    text-align: center;
}

/* Kanban Board */
.todo-board {
    display: flex;
    gap: var(--spacing-lg);
    padding-bottom: var(--spacing-md);
    min-height: calc(100vh - 280px);
}

.todo-column {
    flex: 1;
    min-width: 0;
    background: var(--color-bg-secondary);
    border: 1.5px solid var(--color-border);
    border-radius: var(--radius-xl);
    display: flex;
    flex-direction: column;
    box-shadow: var(--shadow-sm);
}

.todo-column-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-lg);
    border-bottom: 1.5px solid var(--color-border);
    background: var(--color-bg-tertiary);
    border-radius: var(--radius-xl) var(--radius-xl) 0 0;
}

.todo-column-title {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: var(--font-size-base);
    color: var(--color-text-primary);
    text-transform: uppercase;
    letter-spacing: var(--letter-spacing-caps);
}

.todo-column-count {
    background: var(--color-accent-primary);
    color: white;
    font-family: var(--font-display);
    font-size: var(--font-size-sm);
    font-weight: 700;
    padding: 4px 10px;
    border-radius: var(--radius-2xl);
    min-width: 24px;
    text-align: center;
}

.todo-column-items {
    flex: 1;
    overflow-y: auto;
    padding: var(--spacing-md);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

/* Item Cards */
.todo-item {
    background: var(--color-bg-primary);
    border: 1.5px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    transition: all var(--transition-normal);
    display: flex;
    gap: var(--spacing-sm);
    position: relative;
}

.todo-item:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
    border-color: var(--color-accent-primary);
}

.todo-item-title {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: var(--font-size-base);
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-sm);
    word-break: break-word;
}

.todo-item-title a {
    color: var(--color-accent-primary);
}

.todo-item-body {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-sm);
    line-height: 1.6;
    word-break: break-word;
}

.todo-item-actions {
    display: flex;
    gap: var(--spacing-xs);
    margin-top: var(--spacing-sm);
    padding-top: var(--spacing-sm);
    border-top: 1px solid var(--color-border);
}

/* Modal */
.todo-modal {
    position: fixed;
    inset: 0;
    background: rgba(45, 24, 16, 0.75);
    backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    padding: var(--spacing-md);
}

.todo-modal-content {
    background: var(--color-bg-primary);
    border: 1.5px solid var(--color-border);
    border-radius: var(--radius-2xl);
    padding: var(--spacing-2xl);
    max-width: 520px;
    width: 100%;
    box-shadow: var(--shadow-lg);
    text-align: center;
}

.todo-modal-content h2 {
    margin-bottom: var(--spacing-lg);
}

/* Device Code Display */
.todo-device-code {
    font-family: var(--font-mono);
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--color-accent-primary);
    letter-spacing: 0.2em;
    padding: var(--spacing-xl);
    background: var(--color-bg-secondary);
    border: 2px dashed var(--color-accent-primary);
    border-radius: var(--radius-xl);
    margin: var(--spacing-lg) 0;
    user-select: all;
}

.todo-device-status {
    color: var(--color-text-secondary);
    font-size: var(--font-size-base);
    margin: var(--spacing-md) 0;
}

/* Form Styles */
.todo-form-group {
    margin-bottom: var(--spacing-lg);
    text-align: left;
}

.todo-form-group label {
    display: block;
    font-family: var(--font-display);
    font-weight: 700;
    font-size: var(--font-size-base);
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-sm);
}

.todo-form-input,
.todo-form-textarea,
.todo-form-select {
    width: 100%;
    padding: var(--spacing-md) var(--spacing-lg);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-lg);
    font-family: var(--font-body);
    font-size: var(--font-size-base);
    background: var(--color-bg-primary);
    color: var(--color-text-primary);
    transition: all var(--transition-normal);
    box-sizing: border-box;
}

.todo-form-input:focus,
.todo-form-textarea:focus,
.todo-form-select:focus {
    border-color: var(--color-accent-primary);
    box-shadow: 0 0 0 4px var(--color-accent-soft);
    outline: none;
}

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

.todo-form-actions {
    display: flex;
    gap: var(--spacing-md);
    justify-content: flex-end;
    margin-top: var(--spacing-xl);
}

/* Column header layout */
.todo-column-header-left {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

/* Add button in column header */
.todo-column-add-btn {
    background: none;
    border: 1.5px solid var(--color-border);
    color: var(--color-text-secondary);
    width: 32px;
    height: 32px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition-fast);
    padding: 0;
}

.todo-column-add-btn:hover {
    background: var(--color-accent-primary);
    border-color: var(--color-accent-primary);
    color: white;
    transform: scale(1.1);
}

.todo-column-add-btn svg {
    width: 18px;
    height: 18px;
}

/* Drag and drop styles */
.todo-item[draggable="true"] {
    cursor: grab;
}

.todo-item.dragging {
    opacity: 0.6;
    cursor: grabbing;
    transform: rotate(3deg);
}

.todo-item-drag-handle {
    display: flex;
    align-items: flex-start;
    justify-content: center;
    padding-top: 6px;
    color: var(--color-text-tertiary);
    cursor: grab;
    opacity: 0;
    transition: opacity var(--transition-fast);
}

.todo-item:hover .todo-item-drag-handle {
    opacity: 1;
}

.todo-item.dragging .todo-item-drag-handle {
    cursor: grabbing;
}

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

.todo-column-items.drag-over {
    background: var(--color-bg-tertiary);
    border: 2px dashed var(--color-accent-primary);
    border-radius: var(--radius-md);
    min-height: 120px;
}

/* ===========================
   📁 文件夹树视图样式
   =========================== */

.folder-tree-container {
    min-height: 200px;
}

.folder-tree-root {
    list-style: none;
    padding: 0;
    margin: 0;
}

.folder-tree-level {
    list-style: none;
    padding-left: var(--spacing-2xl);
    margin: 0;
}

.folder-tree-folder {
    margin-bottom: var(--spacing-xs);
}

.folder-tree-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-lg);
    cursor: pointer;
    user-select: none;
    transition: all var(--transition-fast);
}

.folder-tree-header:hover {
    background-color: var(--color-accent-soft);
}

.folder-tree-chevron {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 20px;
    height: 20px;
    flex-shrink: 0;
    transition: transform var(--transition-normal);
    color: var(--color-text-tertiary);
}

.folder-tree-header.expanded .folder-tree-chevron {
    transform: rotate(90deg);
}

.folder-tree-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    color: var(--color-accent-primary);
}

.folder-tree-icon svg {
    width: 20px;
    height: 20px;
}

.folder-tree-name {
    font-family: var(--font-display);
    font-weight: 700;
    color: var(--color-text-primary);
    font-size: var(--font-size-base);
}

.folder-tree-article {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-sm) var(--spacing-lg);
    padding-left: calc(var(--spacing-lg) + 20px + var(--spacing-md));
    border-radius: var(--radius-lg);
    transition: all var(--transition-fast);
}

.folder-tree-article:hover {
    background-color: var(--color-accent-soft);
}

.folder-tree-article .folder-tree-icon {
    color: var(--color-text-tertiary);
}

.folder-tree-article .folder-tree-icon svg {
    width: 16px;
    height: 16px;
}

.folder-tree-link {
    color: var(--color-text-primary);
    text-decoration: none;
    font-size: var(--font-size-base);
    transition: color var(--transition-fast);
}

.folder-tree-link:hover {
    color: var(--color-accent-primary);
}

/* Responsive: folder tree on small screens */
@media (max-width: 576px) {
    .folder-tree-level {
        padding-left: var(--spacing-xl);
    }

    .folder-tree-article {
        padding-left: calc(var(--spacing-xl) + 20px + var(--spacing-md));
    }
}

/* ===========================
   6️⃣ 移除/隐藏数字后缀
   =========================== */

/* 文件夹树的数字后缀 - 隐藏 */
.folder-tree-count {
    display: none !important;
}

/* 如果需要显示，使用更优雅的样式 */
.folder-tree-count.show {
    display: inline-block !important;
    font-family: var(--font-display);
    font-size: var(--font-size-xs);
    color: var(--color-text-tertiary);
    background-color: var(--color-bg-tertiary);
    padding: 2px 8px;
    border-radius: var(--radius-2xl);
    margin-left: var(--spacing-xs);
    font-weight: 600;
}

/* ===========================
   📱 响应式优化
   =========================== */

@media (max-width: 767px) {
    /* TODO 页面移动端 */
    .todo-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .todo-board {
        flex-direction: column;
        gap: var(--spacing-lg);
    }

    .todo-column {
        min-height: 300px;
    }

    .todo-device-code {
        font-size: var(--font-size-2xl);
    }

    /* 分页移动端 */
    .pagination {
        gap: var(--spacing-xs);
    }

    .pagination-btn {
        min-width: 2.5rem;
        height: 2.5rem;
        padding: 0 var(--spacing-sm);
        font-size: var(--font-size-sm);
    }

    /* 视图切换按钮移动端 */
    .view-toggle-btn {
        width: 44px;
        height: 44px;
    }

    /* 筛选器移动端 */
    .articles-filters {
        flex-direction: column;
    }

    .filter-group {
        min-width: 100%;
    }
}

/* Dark mode adjustments */

/* 暗色模式下的下拉选项 */
[data-theme="dark"] .filter-select option {
    background-color: var(--color-dark-bg-primary);
    color: var(--color-dark-text-primary);
}

[data-theme="dark"] .filter-select option:checked,
[data-theme="dark"] .filter-select option:hover {
    background-color: var(--color-dark-accent-primary) !important;
    color: white !important;
}

[data-theme="dark"] .todo-error {
    background: var(--color-dark-bg-secondary);
    border-color: #f87171;
}

[data-theme="dark"] .todo-btn-danger {
    color: #f87171;
    border-color: #f87171;
}

[data-theme="dark"] .todo-btn-danger:hover {
    background: #ef4444;
    color: white;
}

[data-theme="dark"] .todo-modal {
    background: rgba(26, 15, 8, 0.85);
}

[data-theme="dark"] .todo-column-add-btn {
    border-color: var(--color-dark-border);
    color: var(--color-dark-text-secondary);
}

[data-theme="dark"] .todo-column-add-btn:hover {
    background: var(--color-dark-accent-primary);
    border-color: var(--color-dark-accent-primary);
    color: white;
}

[data-theme="dark"] .todo-column-items.drag-over {
    background: var(--color-dark-bg-tertiary);
    border-color: var(--color-dark-accent-primary);
}