:root {
    --desktop-general-small-radius: 8px;
    --desktop-general-radius: 14px;
    --desktop-general-font-size: 14px;

    --float-topbar-height: 28px;
    --float-topbar-background: rgba(255, 255, 255, 0.75);

    --float-winframe-background: rgba(215, 215, 215, 0.75);
    --float-active-winframe-background: rgba(245, 245, 245, 0.9);
    --float-winframe-font-color: rgba(0, 0, 0, 0.5);
    --float-active-winframe-font-color: rgba(11, 11, 11, 0.75);
    --float-wincontent-background: rgba(255, 255, 255, 1);
    --float-winframe-framewidth: 4px;
    
    --webde-window-titlebar-height: 28px;
    --webde-window-titlebar-font-size: 14px;
    --window-ctrl-btn-size: 17px;
}

body {
    margin: 0;
    padding: 0;
    font-family: "Noto Sans SC", sans-serif;
    background-color: #2c3e50;
    overflow: hidden;
    user-select: none;
}

.desktop-background {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--desktop-background-image);
    background-size: cover;
    background-position: center;
    z-index: -1;
}

/* 底部水印样式 */
.desktop-watermark {
    position: fixed;
    right: 20px;
    bottom: 20px;
    z-index: 0; /* 位于背景之上，但位于窗口和图标之下 */
    text-align: right;
    pointer-events: auto; /* 允许点击链接 */
    user-select: none;
}

.desktop-watermark p {
    margin: 2px 0;
    font-size: 12px;
    color: rgba(255, 255, 255, 0.5); /* 半透明白色，适配深色背景 */
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
    font-family: var(--desktop-general-fontfamily);
}

.desktop-watermark a {
    color: rgba(255, 255, 255, 0.5);
    text-decoration: none;
    transition: color 0.2s;
}

.desktop-watermark a:hover {
    color: rgba(255, 255, 255, 0.9);
    text-decoration: underline;
}

/* 顶部栏 */
.top-bar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--float-topbar-height);
    background: var(--float-topbar-background);
    backdrop-filter: blur(10px);
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 10px;
    box-sizing: border-box;
    z-index: 1000;
    font-size: 13px;
    color: #333;
}

.top-bar-left {
    display: flex;
    gap: 15px;
}

.menu-item {
    cursor: pointer;
    padding: 2px 8px;
    border-radius: 4px;
}

.menu-item:hover {
    background: rgba(0,0,0,0.1);
}

.clock {
    font-weight: 500;
}

/* 桌面图标 */
.desktop-icons {
    position: absolute;
    top: 40px;
    left: 20px;
    display: flex;
    flex-direction: column;
    flex-wrap: wrap;
    align-content: flex-start;
    height: calc(100% - 60px);
    gap: 20px;
}

.desktop-icon {
    width: 80px;
    display: flex;
    flex-direction: column;
    align-items: center;
    cursor: pointer;
    padding: 10px;
    border-radius: 8px;
    transition: background 0.2s;
}

.desktop-icon:hover {
    background: rgba(255, 255, 255, 0.2);
}

.icon-img {
    width: 48px;
    height: 48px;
    margin-bottom: 5px;
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
    position: relative;
}

.folder-icon {
    background-image: url('https://cdn-icons-png.flaticon.com/512/716/716784.png'); /* 示例文件夹图标 */
}

.article-icon {
    background-image: url('https://cdn-icons-png.flaticon.com/512/2991/2991108.png'); /* 示例文章图标 */
}

.icon-label {
    color: white;
    font-size: 12px;
    text-shadow: 1px 1px 2px rgba(0,0,0,0.8);
    text-align: center;
    word-break: break-all;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.tag {
    position: absolute;
    top: -5px;
    right: -5px;
    background: #e74c3c;
    color: white;
    font-size: 10px;
    padding: 1px 4px;
    border-radius: 4px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.3);
}

.recent .tag {
    background: #2ecc71;
}

/* 窗口样式 - 深度参考 WebDE */
.webde-window {
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    background-color: var(--float-winframe-background);
    border-radius: var(--desktop-general-radius);
    position: absolute;
    box-shadow: 0px 0px 7px 0px rgba(0, 0, 0, 0.39);
    border: 1px solid rgba(103, 103, 103, 0.208);
    z-index: 10;
    display: flex;
    flex-direction: column;
    min-width: 200px;
    min-height: 150px;
    transition: background-color 0.25s cubic-bezier(0.4, 0.0, 0.2, 1);
}

.webde-window.active {
    background-color: var(--float-active-winframe-background);
    z-index: 100;
}

.webde-window-titlebar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: var(--webde-window-titlebar-height);
    padding: 0 10px; /* 增加右边距，让控制按钮组向左移动一点，稍后会微调按钮组的容器 */
    color: var(--float-winframe-font-color);
    font-size: var(--webde-window-titlebar-font-size);
    user-select: none;
    background: transparent;
}

.active .webde-window-titlebar {
    color: var(--float-active-winframe-font-color);
}

/* 窗口控制按钮容器 */
.window-controls {
    display: flex;
    gap: 8px;
    align-items: center;
    margin-right: -2px; /* 这里的负边距配合 titlebar 的 padding 实现与上边距的视觉对称 */
}

.window-ctrl-btn {
    width: var(--window-ctrl-btn-size);
    height: var(--window-ctrl-btn-size);
    border: 1.5px solid rgba(103, 103, 103, 0.2);
    border-radius: 50%;
    
    /* 强制使用 flex 居中，并确保没有文本偏移 */
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    text-align: center !important;
    
    /* 精确控制字体 */
    font-size: 11px !important;
    font-weight: 900 !important;
    line-height: 0 !important; /* 改为 0，彻底消除行高对垂直/水平的影响 */
    color: rgba(11, 11, 11, 0.2);
    cursor: pointer;
    transition: all 0.2s;
    overflow: hidden;
    padding: 0;
    margin: 0;
    
    /* 修正 Material Icons 字体本身的垂直偏移 */
    padding-top: 1px; 
    box-sizing: border-box;
}

/* 专门针对最小化横杠进行微调 */
.window-ctrl-btn.minimize-icon {
    padding-top: 4px; /* 进一步增加顶部边距，让横杠再往下挪一点 */
}

/* 激活状态下的按钮颜色 */
.active #webde-window-close-btn {
    background: linear-gradient(#e86c64, #e14f46);
    color: rgba(0, 0, 0, 0.3); /* 符号颜色保持低调 */
    border-color: rgba(0, 0, 0, 0.1);
}

.active #webde-window-close-btn:hover {
    background: linear-gradient(#fa766d, #e14f46);
    /* 移除 color: white; 保持符号颜色不变 */
}

.active .window-ctrl-btn.maxmin-btn {
    background: linear-gradient(#f8f8f8, #f2f2f2);
    color: rgba(0, 0, 0, 0.3);
    border-color: rgba(0, 0, 0, 0.1);
}

.active .window-ctrl-btn.maxmin-btn:hover {
    background: linear-gradient(#ffffff, #f8f8f8);
    /* 移除 color: #333; 保持符号颜色不变 */
}

.webde-window-content {
    width: calc(100% - 2*var(--float-winframe-framewidth));
    height: calc(100% - var(--webde-window-titlebar-height) - var(--float-winframe-framewidth));
    background-color: var(--float-wincontent-background);
    border-radius: var(--desktop-general-small-radius);
    box-sizing: border-box;
    position: absolute;
    top: var(--webde-window-titlebar-height);
    left: var(--float-winframe-framewidth);
    user-select: text; /* 默认允许选择文字 */
    z-index: 1;
    border: 1px solid rgba(103, 103, 103, 0.208);
    overflow-y: auto; /* 允许滚动 */
    padding: 20px;
}

/* 文件夹窗口内容不可选中 */
.folder-window .webde-window-content {
    user-select: none;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    display: flex;
    flex-direction: column;
}

/* Markdown 文章排版样式 */
.article-render-content {
    color: #333;
    line-height: 1.6;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
}

.article-render-content h1, 
.article-render-content h2, 
.article-render-content h3 {
    margin-top: 24px;
    margin-bottom: 16px;
    font-weight: 600;
    line-height: 1.25;
}

.article-render-content h1 { font-size: 1.8em; border-bottom: 1px solid #eaecef; padding-bottom: 0.3em; }
.article-render-content h2 { font-size: 1.4em; border-bottom: 1px solid #eaecef; padding-bottom: 0.3em; }

.article-render-content p {
    margin-top: 0;
    margin-bottom: 16px;
}

.article-render-content code {
    padding: 0.2em 0.4em;
    margin: 0;
    font-size: 85%;
    background-color: rgba(27,31,35,0.05);
    border-radius: 3px;
    font-family: SFMono-Regular, Consolas, "Liberation Mono", Menlo, monospace;
}

.article-render-content pre {
    padding: 16px;
    overflow: auto;
    font-size: 85%;
    line-height: 1.45;
    background-color: #f6f8fa;
    border-radius: 3px;
    margin-bottom: 16px;
}

.article-render-content pre code {
    background-color: transparent;
    padding: 0;
}

.article-render-content ul, 
.article-render-content ol {
    padding-left: 2em;
    margin-bottom: 16px;
}

/* iframe 激活处理 */
.iframe-container {
    position: relative;
    width: 100%;
    height: 100%;
}

.iframe-click-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: transparent;
    z-index: 100;
}

/* 拖拽或缩放时禁用内容区域的交互，防止 iframe 拦截鼠标事件 */
.resizing .webde-window-content,
.dragging .webde-window-content {
    pointer-events: none;
}

.webde-window.minimized {
    display: none;
}

.webde-window.maximized {
    border-radius: 0;
    border: none;
    box-shadow: none;
}

.webde-window.maximized .webde-window-content {
    border-radius: 0;
    margin: 0;
    border: none;
}

.window-title {
    pointer-events: none;
}


/* 窗口缩放手柄 */
.resizer {
    position: absolute;
    z-index: 10;
}

.resizer.n {
    top: -3px;
    left: 0;
    width: 100%;
    height: 6px;
    cursor: n-resize;
}

.resizer.s {
    bottom: -3px;
    left: 0;
    width: 100%;
    height: 6px;
    cursor: s-resize;
}

.resizer.w {
    left: -3px;
    top: 0;
    width: 6px;
    height: 100%;
    cursor: w-resize;
}

.resizer.e {
    right: -3px;
    top: 0;
    width: 6px;
    height: 100%;
    cursor: e-resize;
}

.resizer.nw {
    top: -5px;
    left: -5px;
    width: 12px;
    height: 12px;
    cursor: nw-resize;
    z-index: 11;
}

.resizer.ne {
    top: -5px;
    right: -5px;
    width: 12px;
    height: 12px;
    cursor: ne-resize;
    z-index: 11;
}

.resizer.sw {
    bottom: -5px;
    left: -5px;
    width: 12px;
    height: 12px;
    cursor: sw-resize;
    z-index: 11;
}

.resizer.se {
    bottom: -5px;
    right: -5px;
    width: 12px;
    height: 12px;
    cursor: se-resize;
    z-index: 11;
}

.maximized .resizer {
    display: none;
}


.folder-content {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    padding: 15px;
    flex: 1;
    overflow: auto;
}

.folder-toolbar {
    display: flex;
    gap: 8px;
    align-items: center;
    padding: 0 15px 12px;
    border-bottom: 1px solid rgba(0, 0, 0, 0.08);
    margin-bottom: 4px;
}

.folder-view-toggle {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    border: 1px solid rgba(0, 0, 0, 0.12);
    background: rgba(255, 255, 255, 0.88);
    color: #444;
    border-radius: 8px;
    padding: 6px 10px;
    font-size: 12px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.folder-view-toggle .material-icons {
    font-size: 16px;
}

.folder-view-toggle:hover {
    background: rgba(255, 255, 255, 1);
}

.folder-view-toggle.active {
    background: rgba(62, 126, 247, 0.12);
    border-color: rgba(62, 126, 247, 0.32);
    color: #2457c5;
}

.folder-content.view-list {
    display: flex;
    flex-direction: column;
    flex-wrap: nowrap;
    gap: 6px;
}

.folder-item {
    box-sizing: border-box;
}

.folder-content.view-list .folder-item {
    width: 100%;
    flex-direction: row;
    align-items: center;
    justify-content: flex-start;
    gap: 10px;
    padding: 8px 10px;
    border-radius: 8px;
}

.folder-content.view-list .folder-item:hover {
    background: rgba(62, 126, 247, 0.08);
}

.folder-content.view-list .folder-item .icon-img {
    width: 24px;
    height: 24px;
    margin-bottom: 0;
    flex-shrink: 0;
}

.folder-content.view-list .folder-item .icon-label {
    text-align: left;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    display: block;
}

.folder-content.view-grid .folder-item {
    align-items: center;
}

.desktop-icon.small {
    width: 60px;
}

.desktop-icon.small .icon-img {
    width: 32px;
    height: 32px;
}

.desktop-icon.small .icon-label {
    color: #333;
    text-shadow: none;
    font-size: 11px;
}

.article-render-content {
    padding: 20px;
    line-height: 1.6;
    color: #333;
}