/**
 * 主样式文件
 * @file style.css
 * @description 包含网站的主要样式，包括布局、颜色、组件样式等
 */

/* 引入外部字体 */
@import url("https://cdnjs.cloudflare.com/ajax/libs/lxgw-wenkai-screen-web/1.510.0/style.css");

/* 全局样式重置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* 清除浮动类 */
.clearfix::after {
    content: "";
    display: table;
    clear: both;
}

.clearfix {
    zoom: 1;
    /* 兼容IE6-7 */
}

/* 基础样式 */
body {
    font-family: "LXGW WenKai Mono Screen", -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    transition: background-color 0.3s, color 0.3s;
    display: flex;
    flex-direction: column;
    height: 100vh;
    overflow-y: auto;
}



/* 主题切换按钮 */
.theme-toggle {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 1.2rem;
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 50%;
    transition: all 0.3s;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.theme-toggle:hover {
    background-color: var(--bg-tertiary);
    color: var(--accent-color);
}



/* 显示模式切换按钮 */
.view-toggle {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 1.2rem;
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 50%;
    transition: all 0.3s;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.view-toggle:hover {
    background-color: var(--bg-tertiary);
    color: var(--accent-color);
}

/* 视图图标样式 */
.view-icon {
    width: 20px;
    height: 20px;
    transition: opacity 0.3s, transform 0.3s;
}

/* 默认显示列表图标，隐藏网格图标 */
.grid-icon,
.lucide-layout-grid-icon,
.lucide-layout-grid {
    display: none;
    opacity: 0;
    transform: scale(0.8);
}

.list-icon,
.lucide-layout-list-icon,
.lucide-layout-list {
    display: block;
    opacity: 1;
    transform: scale(1);
}

/* 当切换到网格视图时，显示网格图标，隐藏列表图标 */
.view-toggle.grid-view .grid-icon,
.view-toggle.grid-view .lucide-layout-grid-icon,
.view-toggle.grid-view .lucide-layout-grid {
    display: block;
    opacity: 1;
    transform: scale(1);
}

.view-toggle.grid-view .list-icon,
.view-toggle.grid-view .lucide-layout-list-icon,
.view-toggle.grid-view .lucide-layout-list {
    display: none;
    opacity: 0;
    transform: scale(0.8);
}



/* 主要内容区域 */
.main-container {
    display: flex;
    flex: 1;
    overflow: hidden;
}



/* 侧边栏样式 */
aside {
    width: 250px;
    background-color: var(--bg-secondary);
    border-right: 1px solid var(--border-color);
    overflow-y: auto;
    transition: transform 0.3s;
    /* 隐藏滚动条但保持内容可滚动 */
    scrollbar-width: none;
    /* Firefox */
}

/* 隐藏WebKit浏览器（Chrome、Safari）的滚动条 */
aside::-webkit-scrollbar {
    display: none;
}

/* 侧边栏折叠状态 */
aside.collapsed {
    width: 0;
    transform: translateX(0);
    overflow: hidden;
}

aside.collapsed .sidebar-header,
aside.collapsed .sidebar-nav {
    display: none;
}

/* 侧边栏展开按钮 */
.sidebar-expand-btn {
    position: fixed;
    left: 0;
    top: 20px;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    font-size: 1rem;
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 0 50% 50% 0;
    transition: all 0.3s;
    display: none;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    box-shadow: var(--shadow);
    z-index: 100;
    overflow: visible;
}

/* 当侧边栏折叠时显示展开按钮 */
#sidebar.collapsed~main .sidebar-expand-btn {
    display: flex;
}

.sidebar-expand-btn:hover {
    background-color: var(--accent-color);
    color: white;
}

/* 侧边栏标题 */
.sidebar-header {
    padding: 1rem 1.5rem;
    font-weight: 600;
    border-bottom: 1px solid var(--border-color);
    background-color: var(--bg-secondary);
    position: sticky;
    top: 0;
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

/* 侧边栏按钮 */
.sidebar-btn {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 1.2rem;
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 50%;
    transition: all 0.3s;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
}

.sidebar-btn:hover {
    background-color: var(--bg-tertiary);
    color: var(--accent-color);
}

/* 侧边栏导航 */
.sidebar-nav {
    padding: 1rem 0;
}

/* 文件夹项样式 */
.folder-item {
    padding: 0 1rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.2s;
    user-select: none;
    position: relative;
    height: 40px;
}

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

.folder-item.active {
    color: var(--accent-color);
}

.folder-icon {
    color: var(--folder-color);
    font-size: 1rem;
    position: relative;
    z-index: 1;
}

/* 文件夹容器，用于包含一级分类文件夹和其所有二级分类文件夹 */
.folder-container {
    position: relative;
}

/* 不同层级文件夹的内边距设置 */
.folder-item[data-level="0"] {
    padding-left: 1.5rem;
}

.folder-item[data-level="1"] {
    padding-left: 2.5rem;
}

/* 文件夹容器的垂直引导线，默认隐藏 */
.folder-container::before {
    content: '';
    position: absolute;
    left: 1.8rem;
    top: 1.2rem;
    bottom: 0;
    z-index: 0;
    border: 0.5px solid var(--border-color);
    display: none;
}

/* 展开状态下显示引导线 */
.folder-container .folder-item.expanded~.subfolders-container {
    display: block;
}

/* 展开状态下显示引导线 */
.folder-container .folder-item.expanded {
    position: relative;
}

/* 为展开状态的文件夹容器显示引导线 */
.folder-container .folder-item.expanded~.subfolders-container {
    position: relative;
}

/* 贯穿所有二级分类文件夹的引导线，从第一个二级分类文件夹开始 */
.folder-container .folder-item.expanded~.subfolders-container::before {
    content: '';
    position: absolute;
    left: 1.8rem;
    top: 0;
    bottom: 0;
    z-index: 0;
    border: 0.5px solid var(--border-color);
}

/* 折叠箭头样式 */
.folder-arrow {
    transition: transform 0.3s;
}

/* 展开状态的箭头 */
.folder-item.expanded .folder-arrow {
    transform: rotate(180deg);
}

/* 二级分类文件夹容器 */
.subfolders-container {
    transition: all 0.3s;
}



/* 主内容区 */
main {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    position: relative;
}



/* 操作按钮组 */
.action-buttons {
    position: absolute;
    top: 20px;
    right: 20px;
    display: flex;
    gap: 0.5rem;
    align-items: center;
    z-index: 100;
}



/* 面包屑导航 */
.breadcrumb {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    overflow-x: auto;
    white-space: nowrap;
    margin-top: 3rem;
    padding: 0 7rem;
    height: 40px;
    position: sticky;
    top: 0;
    z-index: 99;
}

.breadcrumb-item {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 1rem;
    transition: color 0.2s;
}

.breadcrumb-item:hover {
    color: var(--accent-color);
}

.breadcrumb-item.active {
    color: var(--accent-color);
    font-weight: 600;
}

.breadcrumb-separator {
    color: var(--text-tertiary);
}



/* 内容区域 */
.content {
    flex: 1;
    padding: 0.5rem 6rem;
    margin-top: 0;
    overflow-y: auto;
    position: relative;
    /* 移除固定最小高度，允许内容自然滚动 */
    min-height: auto;
    /* 确保内容区域可以滚动 */
    max-height: calc(100vh - 40px);
}



/* 布局样式 */
/* 网格布局 */
.grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.5rem;
}

/* 列表布局 */
.list {
    display: flex;
    flex-direction: column;
    gap: 0;
}

/* 确保文件夹和书签卡片之间有足够的间隔 */
.grid>.folder-card,
.grid>.bookmark-card {
    margin-bottom: 0;
}

/* 统一所有文件夹图标的颜色 */
.folder-icon,
.list-item-icon.fas.fa-folder {
    color: var(--folder-color) !important;
}



/* 列表项样式 */
.list-item {
    border-radius: 8px;
    padding: 0 1rem;
    transition: all 0.3s;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
    color: var(--text-primary);
    height: 40px;
}

.list-item:hover {
    color: var(--accent-hover);
}

/* 列表项中的文件夹样式 */
.list-item.folder-list-item {
    cursor: pointer;
}

/* 列表项图标 */
.list-item-icon {
    font-size: 1.2rem;
    width: 20px;
    height: 20px;
    text-align: center;
}

/* 列表项内容 */
.list-item-content {
    flex: 1;
    min-width: 0;
}

/* 列表项标题 */
.list-item-title {
    font-weight: 500;
    font-size: 0.95rem;
    margin-bottom: 0.25rem;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    text-decoration: none;
}

/* 列表项URL */
.list-item-url {
    font-size: 0.8rem;
    color: var(--text-tertiary);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    text-decoration: none;
}

/* 列表布局下的样式调整 */
.list .list-item .list-item-url {
    display: none;
    /* 列表模式下隐藏URL */
}

.list .list-item-title {
    margin-bottom: 0;
    /* 列表模式下标题不显示底部边距 */
}



/* 卡片样式 */
.card {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 1rem;
    transition: all 0.3s;
    cursor: pointer;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

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

/* 文件夹卡片 */
.folder-card {
    align-items: center;
    text-align: left;
    padding: 1.3rem;
    flex-direction: row;
    justify-content: flex-start;
    height: 100%;
}

.folder-card .folder-icon {
    font-size: 2rem;
    margin-right: 0.5rem;
    width: auto;
    height: auto;
    line-height: 1;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.folder-card span {
    display: inline-flex;
    align-items: center;
    height: 100%;
    line-height: 1;
    vertical-align: middle;
}

/* 列表模式下的文件夹项 */
.folder-list-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.folder-list-item .list-item-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    vertical-align: middle;
}

.folder-list-item .list-item-content {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 0.25rem;
}



/* 书签卡片 */
.bookmark-card {
    text-decoration: none;
    color: var(--text-primary);
}

.bookmark-header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.bookmark-favicon {
    width: 20px;
    height: 20px;
    object-fit: cover;
    border-radius: 2px;
}

.bookmark-title {
    font-weight: 500;
    font-size: 0.95rem;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    text-decoration: none;
}

.bookmark-url {
    font-size: 0.8rem;
    color: var(--text-tertiary);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    text-decoration: none;
}



/* 响应式设计 */
@media (max-width: 1023px) {
    aside {
        position: fixed;
        left: 0;
        top: 0;
        height: 100vh;
        z-index: 200;
        box-shadow: var(--shadow);
    }
}

@media (min-width: 1024px) {
    aside {
        transform: translateX(0);
    }
}

@media (max-width: 480px) {
    header {
        padding: 0.75rem 1rem;
    }

    /* 移动端面包屑导航样式 */
    .breadcrumb {
        padding: 0 2rem;
        justify-content: flex-start;
    }

    .content {
        padding: 0.5rem 1rem;
    }

    .grid {
        grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
        gap: 1rem;
    }

    .card {
        padding: 0.75rem;
    }

    .folder-card {
        padding: 1.5rem 0.75rem;
    }
}



/* 滚动条样式 */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
    background: var(--bg-tertiary);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-tertiary);
}



/* 遮罩层 */
.overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 150;
}

.overlay.visible {
    display: block;
}