/**
 * FluentWindow - 全新窗口框架样式 (核心)
 * ===================================================================
 * 配合 js/core/fluent-window.js 使用。
 * 所有视觉效果集中在此文件，修改即可全局生效。
 *
 * 设计对应需求图一 (侧边栏收起) / 图三 (侧边栏展开)。
 */

/* ============ 框架级 CSS 变量 ============ */
.fw-frame {
    --fw-expanded-w: 220px;
    --fw-collapsed-w: 60px;
    --fw-fade-ms: 170ms;

    /* 丝滑非线性缓动 (近似 easeOutExpo)，用于侧边栏收起/展开 */
    --fw-ease: cubic-bezier(0.16, 1, 0.3, 1);
    --fw-collapse-ms: 420ms;

    /* 内容副卡片：默认按“窗口模糊开启”的有色低透明度材质处理 */
    --fw-window-radius: 16px;
    --fw-card-bg: rgba(255, 255, 255, 0.42);
    --fw-card-radius: var(--fw-window-radius);

    /* 导航项 */
    --fw-nav-fg: var(--text-primary, #1f1f1f);
    --fw-nav-hover: rgba(0, 0, 0, 0.045);
    --fw-nav-active-bg: rgba(var(--accent-rgb, 0, 120, 212), 0.4);
    --fw-card-border: rgba(0, 0, 0, 0.06);
    --fw-accent: var(--accent, #0078d4);
}

.dark-mode .fw-frame {
    --fw-card-bg: rgba(0, 0, 0, 0.42);
    --fw-nav-hover: rgba(255, 255, 255, 0.06);
    --fw-nav-active-bg: rgba(var(--accent-rgb, 96, 205, 255), 0.4);
    --fw-card-border: rgba(255, 255, 255, 0.08);
}

/* ============ 宿主窗口材质 ============ */
/* 整窗主大卡片：无论系统“窗口模糊”开关如何，都始终保持全局高斯模糊。 */
body.window-blur-enabled .window.fw-host,
body.window-blur-disabled .window.fw-host,
.window.fw-host {
    --fw-window-radius: 16px;
    background: rgba(252, 252, 252, 0.72) !important;
    backdrop-filter: blur(var(--fluent-material-blur, 40px)) saturate(160%) !important;
    -webkit-backdrop-filter: blur(var(--fluent-material-blur, 40px)) saturate(160%) !important;
    border-radius: var(--fw-window-radius) !important;
}

body.dark-mode.window-blur-enabled .window.fw-host,
body.dark-mode.window-blur-disabled .window.fw-host,
.dark-mode .window.fw-host {
    background: rgba(34, 34, 34, 0.72) !important;
}

/* 全局模糊与窗口模糊同时关闭时，主窗口退化为无模糊的不透明卡片。 */
body.blur-disabled.window-blur-disabled .window,
body.blur-disabled.window-blur-disabled .window.fw-host[data-app-id] {
    background: var(--bg-primary, #f3f3f3) !important;
    background-color: var(--bg-primary, #f3f3f3) !important;
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
}

body.dark-mode.blur-disabled.window-blur-disabled .window,
body.dark-mode.blur-disabled.window-blur-disabled .window.fw-host[data-app-id] {
    background: #202020 !important;
    background-color: #202020 !important;
}

/* 副卡片材质切换：开启窗口模糊时为有色半透明，关闭时为不透明实色。 */
body.window-blur-enabled .fw-frame {
    --fw-card-bg: rgba(255, 255, 255, 0.42);
    --fw-card-border: rgba(0, 0, 0, 0.08);
}

body.dark-mode.window-blur-enabled .fw-frame {
    --fw-card-bg: rgba(0, 0, 0, 0.42);
    --fw-card-border: rgba(255, 255, 255, 0.08);
}

body.window-blur-disabled .fw-frame {
    --fw-card-bg: var(--bg-primary, #f3f3f3);
    --fw-card-border: rgba(0, 0, 0, 0.09);
}

body.dark-mode.window-blur-disabled .fw-frame {
    --fw-card-bg: #202020;
    --fw-card-border: rgba(255, 255, 255, 0.09);
}

body.blur-disabled .fw-frame {
    --fw-card-bg: var(--bg-primary, #f3f3f3);
    --fw-card-border: rgba(0, 0, 0, 0.09);
}

body.dark-mode.blur-disabled .fw-frame {
    --fw-card-bg: #202020;
    --fw-card-border: rgba(255, 255, 255, 0.09);
}

/* 关闭“窗口模糊”时，副卡片必须是实色不透明。这里不用变量，直接压过旧全局规则。 */
body.window-blur-disabled .window.fw-host .fw-card,
body.fluent-v2.window-blur-disabled .window.fw-host .fw-card {
    background: var(--bg-primary, #f3f3f3) !important;
    background-color: var(--bg-primary, #f3f3f3) !important;
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
}

body.dark-mode.window-blur-disabled .window.fw-host .fw-card,
body.fluent-v2.dark-mode.window-blur-disabled .window.fw-host .fw-card {
    background: #202020 !important;
    background-color: #202020 !important;
}

/* 标题栏透明融入模糊卡片 (去掉分隔线和底色) */
.window.fw-host .window-titlebar {
    background: transparent !important;
    border-bottom: none !important;
    padding: 10px 14px 6px;
}

body.window-blur-enabled .window.fw-host .window-titlebar,
body.window-blur-disabled .window.fw-host .window-titlebar,
body.fluent-v2.window-blur-disabled .window.fw-host .window-titlebar {
    background: transparent !important;
    border-bottom: none !important;
}

/* 内容区透明、去内边距，交由框架自行布局 */
.window.fw-host .window-content,
.fw-content-host {
    background: transparent !important;
    padding: 0;
    overflow: hidden;
}

body.window-blur-enabled .window.fw-host .window-content,
body.window-blur-disabled .window.fw-host .window-content,
body.fluent-v2.window-blur-disabled .window.fw-host .window-content {
    background: transparent !important;
}

/* ============ 框架主体布局 ============ */
.fw-frame {
    display: flex;
    width: 100%;
    height: 100%;
    box-sizing: border-box;
    min-height: 0;
}

/* ---------- 侧边栏 ---------- */
.fw-sidebar {
    flex-shrink: 0;
    width: var(--fw-expanded-w);
    box-sizing: border-box;
    padding: 18px 10px 12px;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    /* 丝滑非线性宽度动画 */
    transition: width var(--fw-collapse-ms) var(--fw-ease),
                padding var(--fw-collapse-ms) var(--fw-ease);
}

.fw-sidebar-resizer {
    flex: 0 0 0;
    width: 0;
    position: relative;
    z-index: 4;
    cursor: col-resize;
    touch-action: none;
}

.fw-sidebar-resizer::before {
    content: '';
    position: absolute;
    top: 8px;
    bottom: 8px;
    left: -4px;
    width: 8px;
    border-radius: 999px;
    background: transparent;
    transition: background 0.16s ease;
}

.fw-sidebar-resizer:hover::before,
.fw-frame.fw-sidebar-resizing .fw-sidebar-resizer::before {
    background: rgba(var(--accent-rgb, 0, 120, 212), 0.28);
}

.fw-frame.fw-collapsed .fw-sidebar-resizer {
    pointer-events: none;
}

.fw-frame.fw-collapsed .fw-sidebar {
    width: var(--fw-collapsed-w);
    padding-top: 18px;
    padding-left: 6px;
    padding-right: 6px;
}

.fw-sidebar-search {
    position: relative;
    z-index: 8;
    flex: 0 0 auto;
    min-width: 0;
    margin-bottom: 10px;
}

.fw-sidebar-search[hidden] {
    display: none;
}

.fw-sidebar-search-box {
    height: 40px;
    display: flex;
    align-items: center;
    gap: 9px;
    padding: 0 10px;
    border-radius: 8px;
    border: 1px solid rgba(0, 0, 0, 0.06);
    background: rgba(255, 255, 255, 0.38);
    color: var(--text-secondary, #5c5c5c);
    box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.18);
    box-sizing: border-box;
    transition: background 0.16s ease, border-color 0.16s ease, box-shadow 0.16s ease;
}

.dark-mode .fw-sidebar-search-box {
    border-color: rgba(255, 255, 255, 0.08);
    background: rgba(255, 255, 255, 0.08);
    box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.04);
}

.fw-sidebar-search.is-active .fw-sidebar-search-box,
.fw-sidebar-search-box:focus-within {
    border-color: rgba(var(--accent-rgb, 0, 120, 212), 0.46);
    background: rgba(255, 255, 255, 0.58);
    box-shadow: 0 0 0 3px rgba(var(--accent-rgb, 0, 120, 212), 0.12);
}

.dark-mode .fw-sidebar-search.is-active .fw-sidebar-search-box,
.dark-mode .fw-sidebar-search-box:focus-within {
    background: rgba(255, 255, 255, 0.12);
}

.fw-sidebar-search-icon {
    width: 18px;
    height: 18px;
    flex: 0 0 18px;
    display: block;
    object-fit: contain;
    opacity: 0.9;
}

.dark-mode .fw-sidebar-search-icon {
    filter: invert(1);
}

.fw-sidebar-search-input {
    flex: 1 1 auto;
    min-width: 0;
    height: 100%;
    border: 0;
    outline: 0;
    background: transparent;
    color: var(--text-primary, #1f1f1f);
    font: inherit;
    font-size: 14px;
}

.fw-sidebar-search-input::placeholder {
    color: var(--text-secondary, #626262);
    opacity: 0.82;
}

.fw-sidebar-search-results {
    position: absolute;
    top: calc(100% + 10px);
    left: 0;
    right: 0;
    z-index: 30;
    padding: 10px;
    border-radius: 16px;
    border: 1px solid rgba(255, 255, 255, 0.18);
    background: rgba(245, 246, 248, 0.68);
    backdrop-filter: blur(22px) saturate(145%);
    -webkit-backdrop-filter: blur(22px) saturate(145%);
    box-shadow: 0 14px 38px rgba(0, 0, 0, 0.14);
    box-sizing: border-box;
    max-height: min(310px, 46vh);
    overflow-y: auto;
}

.dark-mode .fw-sidebar-search-results {
    border-color: rgba(255, 255, 255, 0.08);
    background: rgba(42, 44, 48, 0.72);
    box-shadow: 0 14px 38px rgba(0, 0, 0, 0.32);
}

.fw-sidebar-search-results.hidden {
    display: none;
}

.fw-sidebar-search-title {
    padding: 2px 4px 7px;
    color: var(--text-secondary, #666);
    font-size: 12px;
    font-weight: 600;
}

.fw-sidebar-search-list {
    display: grid;
    gap: 4px;
}

.fw-sidebar-search-result {
    display: flex;
    align-items: center;
    gap: 10px;
    width: 100%;
    min-height: 42px;
    padding: 5px 6px;
    border-radius: 8px;
    color: var(--text-primary, #1f1f1f);
    box-sizing: border-box;
    cursor: pointer;
    transition: background 0.16s ease;
}

.fw-sidebar-search-result:hover,
.fw-sidebar-search-result:focus-visible {
    background: rgba(255, 255, 255, 0.46);
    outline: none;
}

.dark-mode .fw-sidebar-search-result:hover,
.dark-mode .fw-sidebar-search-result:focus-visible {
    background: rgba(255, 255, 255, 0.08);
}

.fw-sidebar-search-result.disabled {
    cursor: default;
    opacity: 0.62;
}

.fw-sidebar-search-result-icon {
    flex: 0 0 32px;
    width: 32px;
    height: 32px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    background-color: rgba(0, 0, 0, 0.08);
    color: var(--text-primary, #1f1f1f);
    font-size: 13px;
    font-weight: 700;
}

.fw-sidebar-search-result-icon:not(.fw-sidebar-search-result-initial) {
    background-image: linear-gradient(rgba(255, 255, 255, 0.18), rgba(255, 255, 255, 0));
}

.fw-sidebar-search-result-icon:not(.fw-sidebar-search-result-initial):not(.fw-sidebar-search-result-image)::before {
    content: '';
    width: 18px;
    height: 18px;
    background: currentColor;
    -webkit-mask: var(--fw-icon-url) center / contain no-repeat;
    mask: var(--fw-icon-url) center / contain no-repeat;
}

.fw-sidebar-search-result-icon img {
    width: 20px;
    height: 20px;
    object-fit: contain;
}

.dark-mode .fw-sidebar-search-result-icon {
    background-color: rgba(255, 255, 255, 0.1);
    color: #f5f5f5;
}

.fw-sidebar-search-result-text {
    flex: 1 1 auto;
    min-width: 0;
    display: grid;
    gap: 2px;
}

.fw-sidebar-search-result-title,
.fw-sidebar-search-result-subtitle {
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.fw-sidebar-search-result-title {
    font-size: 14px;
    font-weight: 600;
}

.fw-sidebar-search-result-subtitle {
    color: var(--text-secondary, #666);
    font-size: 12px;
}

.fw-sidebar-search-result-actions {
    flex: 0 0 auto;
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.fw-sidebar-search-action {
    height: 28px;
    min-width: 28px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 5px;
    padding: 0 8px;
    border: 0;
    border-radius: 8px;
    background: rgba(var(--accent-rgb, 0, 120, 212), 0.13);
    color: var(--text-primary, #1f1f1f);
    font: inherit;
    font-size: 12px;
    cursor: pointer;
}

.fw-sidebar-search-action:hover:not(:disabled) {
    background: rgba(var(--accent-rgb, 0, 120, 212), 0.22);
}

.fw-sidebar-search-action.icon-only {
    width: 28px;
    padding: 0;
}

.fw-sidebar-search-action:disabled {
    cursor: default;
    opacity: 0.52;
}

.fw-sidebar-search-action-icon {
    width: 14px;
    height: 14px;
    background: currentColor;
    -webkit-mask: var(--fw-icon-url) center / contain no-repeat;
    mask: var(--fw-icon-url) center / contain no-repeat;
}

.fw-sidebar-search-action-icon-img {
    width: 15px;
    height: 15px;
    display: block;
    object-fit: contain;
}

.dark-mode .fw-sidebar-search-action-icon-img {
    filter: invert(1);
}

.fw-sidebar-search-message {
    min-height: 36px;
    display: flex;
    align-items: center;
    padding: 0 6px;
    color: var(--text-secondary, #666);
    font-size: 13px;
}

.fw-frame.fw-collapsed .fw-sidebar-search {
    margin-bottom: 9px;
}

.fw-frame.fw-collapsed .fw-sidebar-search-box {
    justify-content: center;
    padding-left: 0;
    padding-right: 0;
}

.fw-frame.fw-collapsed .fw-sidebar-search-input,
.fw-frame.fw-collapsed .fw-sidebar-search-results {
    display: none;
}

.fw-nav {
    display: flex;
    flex-direction: column;
    gap: 9px;
    /* 导航列表可上下滚动（滚动条由全局样式隐藏，始终不可见） */
    flex: 1 1 auto;
    min-height: 0;
    overflow-y: auto;
    overflow-x: hidden;
}

.fw-nav-footer {
    flex: 0 0 auto;
    overflow: visible;
    margin-top: auto;
    padding-top: 6px;
}

/* ---------- 导航项 ---------- */
.fw-nav-item {
    position: relative;
    display: flex;
    align-items: center;
    gap: 12px;
    width: 100%;
    flex-shrink: 0;
    height: 40px;
    padding: 0 10px;
    border: none;
    border-radius: 8px;
    background: transparent;
    color: var(--fw-nav-fg);
    font-size: 14px;
    text-align: left;
    cursor: pointer;
    white-space: nowrap;
    overflow: hidden;
    transition: background 0.16s ease, color 0.16s ease, box-shadow 0.16s ease;
}

.fw-nav-item:hover {
    background: var(--fw-nav-hover);
}

/* 选中态：小背景半透明卡片 + 左侧强调条
   文字/图标颜色随主题色明度自适应：浅色主题色→黑，深色主题色→白 */
.fw-nav-item.active {
    background: var(--fw-nav-active-bg);
    color: var(--accent-contrast, #ffffff);
    font-weight: 600;
    box-shadow: inset 0 0 0 1px rgba(var(--accent-rgb, 0, 120, 212), 0.48);
}

.dark-mode .fw-nav-item.active {
    box-shadow: inset 0 0 0 1px rgba(var(--accent-rgb, 96, 205, 255), 0.48);
}

/* 激活态左侧 Fluent 强调条 */
.fw-nav-item.active::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 3px;
    height: 16px;
    border-radius: 3px;
    background: var(--fw-accent);
    transition: height 0.2s var(--fw-ease);
}

.fw-nav-icon {
    flex-shrink: 0;
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.fw-nav-icon-img {
    width: 20px;
    height: 20px;
    pointer-events: none;
}

.fw-nav-icon-img {
    display: block;
    object-fit: contain;
}

/* 选中态：图标颜色与文字强制统一（始终跟随 --accent-contrast 的黑/白规则）。
   图标源 SVG 为黑色描边，通过 filter 强制压为纯黑或纯白，
   不再使用 currentColor 蒙版叠层，避免双重渲染导致颜色不一致。 */
.fw-nav-item.active .fw-nav-icon-img {
    filter: brightness(0);
}

body.accent-deep .fw-nav-item.active .fw-nav-icon-img {
    filter: brightness(0) invert(1);
}

.fw-nav-label {
    flex: 1;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    /* 收起时标签淡出 + 位移 */
    opacity: 1;
    transform: translateX(0);
    transition: opacity calc(var(--fw-collapse-ms) * 0.6) var(--fw-ease),
                transform var(--fw-collapse-ms) var(--fw-ease);
}

.fw-frame.fw-collapsed .fw-nav-label {
    opacity: 0;
    transform: translateX(-6px);
    pointer-events: none;
    flex: 0 0 0;
    width: 0;
    min-width: 0;
}

.fw-frame.fw-collapsed .fw-nav-item {
    gap: 0;
    justify-content: center;
    padding-left: 0;
    padding-right: 0;
}

.fw-nav-badge {
    flex-shrink: 0;
    min-width: 18px;
    height: 18px;
    padding: 0 6px;
    border-radius: 9px;
    background: var(--fw-accent);
    color: #fff;
    font-size: 11px;
    line-height: 18px;
    text-align: center;
    transition: opacity calc(var(--fw-collapse-ms) * 0.5) var(--fw-ease);
}

.fw-frame.fw-collapsed .fw-nav-badge {
    opacity: 0;
}

/* ---------- 内容区 + 纯白圆角卡片 ---------- */
.fw-content {
    flex: 1;
    min-width: 0;
    box-sizing: border-box;
    padding: 2px 0 0 4px;
    display: flex;
}

.fw-frame.fw-no-sidebar .fw-content {
    padding-left: 0;
}

.fw-frame.fw-no-sidebar .fw-card {
    border-top-left-radius: var(--fw-card-radius);
}

.fw-card {
    flex: 1;
    min-width: 0;
    background-color: var(--fw-card-bg);
    background-image: none;
    border: 1px solid var(--fw-card-border);
    /* 异形副卡片：左上 + 右下为圆角，曲率与窗口圆角一致。 */
    border-radius: var(--fw-card-radius) 0 var(--fw-card-radius) 0;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
    overflow: auto;
    position: relative;
    isolation: isolate;
}

body.window-blur-enabled .fw-card {
    background: rgba(255, 255, 255, 0.42) !important;
    background-color: rgba(255, 255, 255, 0.42) !important;
    backdrop-filter: blur(var(--fluent-material-blur-light, 20px)) saturate(150%);
    -webkit-backdrop-filter: blur(var(--fluent-material-blur-light, 20px)) saturate(150%);
}

body.dark-mode.window-blur-enabled .fw-card {
    background: rgba(0, 0, 0, 0.42) !important;
    background-color: rgba(0, 0, 0, 0.42) !important;
}

body.window-blur-disabled .fw-card,
body.blur-disabled .fw-card {
    background: var(--bg-primary, #f3f3f3) !important;
    background-color: var(--bg-primary, #f3f3f3) !important;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
}

body.dark-mode.window-blur-disabled .fw-card,
body.dark-mode.blur-disabled .fw-card {
    background: #202020 !important;
    background-color: #202020 !important;
}

.dark-mode .fw-card {
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.fw-page {
    padding: 28px 32px;
    min-height: 100%;
    box-sizing: border-box;
    color: var(--text-primary, #1f1f1f);
    background: transparent;
}

/* ============ 原生 App 接入适配 ============ */
.files-fw-page {
    height: 100%;
    min-height: 0;
    padding: 0 !important;
}

.files-fw-app {
    height: 100%;
    min-height: 0;
    display: flex;
    flex-direction: column;
}

.files-fw-main {
    flex: 1;
    min-height: 0;
}

.appshop-fw-page,
.media-fw-page {
    height: 100%;
    min-height: 0;
    padding: 0 !important;
}

.appshop-fw-app {
    height: 100%;
    min-height: 0;
    display: block !important;
    width: 100% !important;
    grid-template-columns: none !important;
    container-type: normal !important;
}

.appshop-fw-app .appshop-main {
    height: 100%;
    min-height: 0;
    width: 100% !important;
    max-width: none !important;
    grid-column: auto !important;
}

.media-fw-app {
    height: 100%;
    min-height: 0;
    grid-template-columns: minmax(0, 1fr) !important;
}

.media-fw-main {
    grid-column: 1 / -1 !important;
}

.media-fw-search {
    margin-bottom: 18px;
}

/* ---------- 页面切换动效 (淡出 / 淡入) ---------- */
.fw-page {
    opacity: 1;
    transform: translateY(0);
    transition: opacity var(--fw-fade-ms) ease,
                transform calc(var(--fw-fade-ms) + 80ms) cubic-bezier(0.16, 1, 0.3, 1);
    will-change: opacity, transform;
}

/* 离场: 淡出 + 轻微上移 */
.fw-page.fw-page-leave {
    opacity: 0;
    transform: translateY(-6px);
}

/* 入场初态: 透明 + 轻微下移，随后过渡到默认态 */
.fw-page.fw-page-enter {
    opacity: 0;
    transform: translateY(8px);
}

/* 收起态下卡片滚动条等可保持默认 */
.fw-card::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}
.fw-card::-webkit-scrollbar-track {
    background: transparent;
}
.fw-card::-webkit-scrollbar-thumb {
    background: var(--text-tertiary, rgba(0, 0, 0, 0.25));
    border-radius: 3px;
}

/* ============ 非前置窗口：所有框架/应用 icon 统一变灰 ============ */
/* ============ Fluent 自渲染竖直滚轮（全局接管） ============ */
* {
    scrollbar-width: none !important;
    -ms-overflow-style: none !important;
}

*::-webkit-scrollbar {
    width: 0 !important;
    height: 0 !important;
    display: none !important;
}

.fw-scroll-host {
    scrollbar-width: none !important;
    -ms-overflow-style: none !important;
}

.fw-scroll-host::-webkit-scrollbar {
    width: 0 !important;
    height: 0 !important;
    display: none !important;
}

.fw-scrollbar-rail {
    position: fixed;
    width: 8px;
    z-index: 2147483000;
    pointer-events: none;
    opacity: 0;
    transition: opacity 180ms ease;
}

.fw-scrollbar-rail.visible,
.fw-scrollbar-rail.dragging {
    opacity: 1;
    pointer-events: auto;
}

.fw-scrollbar-thumb {
    width: 4px;
    margin-left: 2px;
    border-radius: 999px;
    background: rgba(70, 70, 70, 0.42);
    box-shadow:
        inset 0 0 0 1px rgba(255, 255, 255, 0.16),
        0 2px 8px rgba(0, 0, 0, 0.16);
    transition: width 160ms ease, margin 160ms ease, background 160ms ease;
}

.dark-mode .fw-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.36);
    box-shadow:
        inset 0 0 0 1px rgba(255, 255, 255, 0.12),
        0 2px 10px rgba(0, 0, 0, 0.35);
}

.fw-scrollbar-rail:hover .fw-scrollbar-thumb,
.fw-scrollbar-rail.dragging .fw-scrollbar-thumb {
    width: 6px;
    margin-left: 1px;
    background: rgba(var(--accent-rgb, 0, 120, 212), 0.62);
}

.browser-fw-page {
    height: 100%;
    min-height: 0;
    padding: 0 !important;
}

/* 降低动效偏好时禁用过渡 */
@media (prefers-reduced-motion: reduce) {
    .fw-sidebar,
    .fw-nav-label,
    .fw-nav-badge,
    .fw-page {
        transition: none !important;
    }
}