:root {
    --sidebar-width: 280px;
    --glass-bg: rgba(255, 255, 255, 0.5);
    --glass-border: rgba(255, 255, 255, 0.3);
    --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    --accent-color: #007bff;
    --text-color: #2c3e50;
    --light-text: #6c757d;
}

body { 
    background-color: #f5f6fa; 
    font-family: 'Segoe UI', Arial, sans-serif; 
    transition: all 0.3s;
    margin: 0;
    padding: 0;
    min-height: 100vh;
    color: var(--text-color);
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
}

/* 布局容器 */
.main-container {
    display: flex;
    min-height: 100vh;
    position: relative;
}

/* 磨砂玻璃效果 */
.glass-effect {
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    background-color: var(--glass-bg);
    border: 1px solid var(--glass-border);
    box-shadow: var(--glass-shadow);
    border-radius: 15px;
}

/* 侧边栏 */
.sidebar {
    width: var(--sidebar-width);
    height: 100vh;
    padding: 20px;
    position: fixed;
    top: 0;
    left: 0;
    display: flex;
    flex-direction: column;
    z-index: 10;
    margin: 15px;
    border-radius: 15px;
    height: calc(100vh - 30px);
    overflow-y: auto;
    transition: transform 0.3s ease, opacity 0.3s ease;
}

/* 主内容区 */
.content {
    margin-left: calc(var(--sidebar-width) + 30px);
    padding: 15px;
    flex: 1;
    margin-top: 15px;
    margin-right: 15px;
    margin-bottom: 15px;
    border-radius: 15px;
    max-height: calc(100vh - 30px);
    overflow-y: auto;
    transition: margin-left 0.3s ease;
}
 /* 按钮状态变更样式 */
#toggleSidebarBtn {
transition: all 0.3s ease;
}

#toggleSidebarBtn:hover {
background-color: rgba(240, 240, 240, 0.9);
}
/* 分类标签样式 */
.category-tab {
    cursor: pointer;
    padding: 12px 15px;
    margin-bottom: 5px;
    transition: all 0.3s;
    border-radius: 8px;
}

.category-tab:hover {
    background-color: rgba(233, 236, 239, 0.7);
}

.category-tab.active {
    background-color: rgba(0, 123, 255, 0.8);
    color: white;
}

/* 文件项样式 */
.file-item {
    padding: 15px;
    margin-bottom: 10px;
    border-radius: 8px;
    transition: all 0.3s;
    animation: fadeIn 0.3s;
}

.file-item:hover {
    transform: translateX(5px);
    background-color: rgba(248, 249, 250, 0.7);
}

.folder-item {
    font-weight: 500;
    cursor: pointer;
    color: var(--accent-color);
}

/* 通知样式 */
.notification {
    position: fixed;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    padding: 12px 25px;
    border-radius: 8px;
    color: white;
    opacity: 0.95;
    z-index: 1000;
    display: none;
    animation: slideIn 0.3s;
}

.notification.success {
    background-color: rgba(40, 167, 69, 0.9);
}

.notification.error {
    background-color: rgba(220, 53, 69, 0.9);
}

/* 按钮样式 */
.btn {
    transition: all 0.2s;
    border-radius: 8px;
}

.btn:hover {
    transform: scale(1.05);
}

/* 背景管理按钮 */
.bg-manager-btn {
    position: absolute;
    bottom: 30px;
    left: 20px;
    width: 42px;
  height: 42px;
  border: none;
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  color: var(--bs-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  transition: all 0.3s ease;
  z-index: 1030;
}

.bg-manager-btn:hover {
    background-color: var(--bs-primary);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 6px 8px rgba(0, 0, 0, 0.15);
  }
  
  .bg-manager-btn:active {
    transform: translateY(0);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
  }
  
  /* 夜间模式适配 */
  @media (prefers-color-scheme: dark) {
    .bg-manager-btn {
      background-color: rgba(0, 0, 0, 0.4);
      color: var(--bs-light);
    }
  }
/* 模态窗口样式 */
.modal-content {
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    background-color: rgba(255, 255, 255, 0.8);
    border-radius: 15px;
    border: 1px solid rgba(255, 255, 255, 0.3);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
}

/* 动画 */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes slideIn {
    from { top: -50px; opacity: 0; }
    to { top: 20px; opacity: 0.95; }
}

/* 背景图片预览缩略图 */
.bg-thumbnail {
    width: 100%;
    height: 120px;
    object-fit: cover;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s;
    border: 3px solid transparent;
}

.bg-thumbnail:hover {
    transform: scale(1.05);
}

.bg-thumbnail.active {
    border-color: var(--accent-color);
}

/* 自定义滚动条 */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: rgba(241, 241, 241, 0.5);
    border-radius: 10px;
}

::-webkit-scrollbar-thumb {
    background: rgba(173, 181, 189, 0.7);
    border-radius: 10px;
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(108, 117, 125, 0.8);
}

/* 映射源管理按钮样式 */
.mapping-sources-button {
    margin-top: auto;
    padding-top: 20px;
}

/* 映射源列表样式 */
#mappingSourcesList {
    max-height: 300px;
    overflow-y: auto;
}

/* 系统路径选择提示样式 */
.path-suggestion {
    cursor: pointer;
    transition: background-color 0.2s;
}

.path-suggestion:hover {
    background-color: rgba(240, 248, 255, 0.6);
}

/* 面包屑导航 */
.breadcrumb {
    background-color: transparent;
    padding: 10px 0;
}

.breadcrumb-item a {
    color: var(--accent-color);
    text-decoration: none;
}

.breadcrumb-item a:hover {
    text-decoration: underline;
}

/* 文件卡片 */
.card {
    border: none;
    border-radius: 15px;
    
}
/* 增强磨砂玻璃效果 */
.glass-effect {
backdrop-filter: blur(15px); /* 增加模糊半径 */
-webkit-backdrop-filter: blur(15px);
background-color: rgba(255, 255, 255, 0.6); /* 增加不透明度 */
border: 1px solid rgba(255, 255, 255, 0.5);
box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
}

/* 文件项可读性增强 */
.file-item {
background-color: rgba(255, 255, 255, 0.85);
text-shadow: 0 0 1px rgba(255, 255, 255, 0.5);
}

.file-item:hover {
background-color: rgba(255, 255, 255, 0.95);
}

/* 文本增强 */
.card-body {
background-color: rgba(255, 255, 255, 0.85);
}

/* 确保深色背景下的文字可读性 */
.text-enhanced {
text-shadow: 0 0 2px rgba(0, 0, 0, 0.2);
font-weight: 500;
}

/* 文件列表卡片增强 */
#fileList {
box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
}

/* 面包屑导航增强 */
.breadcrumb-item {
text-shadow: 0 0 1px rgba(255, 255, 255, 0.7);
font-weight: 500;
}

/* 按钮文字增强 */
.btn {
font-weight: 500;
}

/* 动态适应背景 - 深色背景时自动调整样式 */
@media (prefers-color-scheme: dark) {
.glass-effect {
    background-color: rgba(40, 40, 40, 0.75);
    border-color: rgba(80, 80, 80, 0.3);
}

.sidebar {
    background-color: rgba(40, 40, 40, 0.8);
    color: #f0f0f0;
}

.file-item {
    background-color: rgba(60, 60, 60, 0.85);
    color: #f0f0f0;
    text-shadow: none;
}

.file-item:hover {
    background-color: rgba(80, 80, 80, 0.95);
}
}

/* 调整侧边栏视觉效果 */
.sidebar {
backdrop-filter: blur(15px);
-webkit-backdrop-filter: blur(15px);
background-color: rgba(255, 255, 255, 0.7);
}

/* 改进的文件图标样式 */
.file-icon {
margin-right: 8px;
font-size: 1.1em;
}
/* 文件列表卡片样式增强 */
#fileList {
border: none;
border-radius: 18px;
overflow: hidden;
transition: all 0.3s ease;
backdrop-filter: blur(18px);
-webkit-backdrop-filter: blur(18px);
background-color: rgba(255, 255, 255, 0.25);
border: 1px solid rgba(255, 255, 255, 0.18);
box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
}

/* 卡片内容区域增强 */
#fileList .card-body {
padding: 1.5rem;
background-color: rgba(255, 255, 255, 0.5);
backdrop-filter: blur(5px);
-webkit-backdrop-filter: blur(5px);
}

/* 文件项样式优化 */
.file-item {
background-color: rgba(255, 255, 255, 0.85);
border-radius: 12px;
transition: transform 0.2s, background-color 0.2s;
margin-bottom: 12px;
padding: 15px;
box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
border-left: 3px solid transparent;
}

.file-item:hover {
background-color: rgba(255, 255, 255, 0.95);
transform: translateX(5px);
border-left-color: var(--accent-color);
}

.folder-item {
border-left-color: rgba(0, 123, 255, 0.4);
}

/* 自适应深色背景 */
@media (prefers-color-scheme: dark) {
#fileList {
background-color: rgba(30, 30, 30, 0.5);
border-color: rgba(70, 70, 70, 0.3);
}

#fileList .card-body {
background-color: rgba(40, 40, 40, 0.7);
}

.file-item {
background-color: rgba(50, 50, 50, 0.85);
color: #f0f0f0;
}

.file-item:hover {
background-color: rgba(60, 60, 60, 0.95);
}
}

/* 深色背景样式适配类 */
.dark-background #fileList {
background-color: rgba(20, 20, 20, 0.6);
border-color: rgba(80, 80, 80, 0.3);
box-shadow: 0 8px 32px rgba(0, 0, 0, 0.25);
}

.dark-background .file-item {
background-color: rgba(40, 40, 40, 0.8);
color: rgba(255, 255, 255, 0.95);
text-shadow: none;
border-left-color: rgba(255, 255, 255, 0.2);
}

.dark-background .file-item:hover {
background-color: rgba(60, 60, 60, 0.9);
border-left-color: var(--accent-color);
}
/* 卡片视图样式 */
.card-view-mode .file-item {
display: inline-block;
width: 180px;
height: 220px;
margin: 10px;
padding: 15px;
text-align: center;
vertical-align: top;
transition: all 0.3s;
overflow: hidden;
position: relative;
}

.card-view-mode .file-item:hover {
transform: translateY(-5px);
box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.card-view-mode .file-preview {
width: 100%;
height: 120px;
margin-bottom: 10px;
border-radius: 8px;
display: flex;
align-items: center;
justify-content: center;
overflow: hidden;
background-color: rgba(240, 240, 240, 0.5);
}

.card-view-mode .file-preview img {
max-width: 100%;
max-height: 100%;
object-fit: cover;
border-radius: 6px;
}

.card-view-mode .file-preview i {
font-size: 3em;
color: rgba(0, 0, 0, 0.4);
}

.card-view-mode .file-name {
font-size: 0.9em;
font-weight: 500;
white-space: nowrap;
overflow: hidden;
text-overflow: ellipsis;
margin-bottom: 5px;
}

.card-view-mode .file-info {
font-size: 0.8em;
color: #6c757d;
}

.card-view-mode .file-actions {
position: absolute;
bottom: 10px;
left: 0;
right: 0;
display: flex;
justify-content: center;
gap: 5px;
}

.card-view-mode .btn-sm {
padding: 0.2rem 0.4rem;
font-size: 0.75rem;
}

/* 强化视觉效果，确保在不同背景下可见 */
.card-view-mode .file-item {
backdrop-filter: blur(10px);
-webkit-backdrop-filter: blur(10px);
background-color: rgba(255, 255, 255, 0.7);
box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
border: 1px solid rgba(255, 255, 255, 0.2);
}

.dark-background .card-view-mode .file-item {
background-color: rgba(40, 40, 40, 0.7);
border-color: rgba(60, 60, 60, 0.3);
}

/* 文件上面栏增强 */
.breadcrumb {
padding: 12px 20px;
background-color: rgba(255, 255, 255, 0.6);
backdrop-filter: blur(10px);
-webkit-backdrop-filter: blur(10px);
border-radius: 10px;
margin-bottom: 15px;
border: 1px solid rgba(255, 255, 255, 0.2);
}

.dark-background .breadcrumb {
background-color: rgba(40, 40, 40, 0.7);
border-color: rgba(60, 60, 60, 0.3);
}

.breadcrumb-item {
font-weight: 600;
text-shadow: 0 0 2px rgba(255, 255, 255, 0.8);
}

.dark-background .breadcrumb-item {
color: #f0f0f0;
text-shadow: 0 0 2px rgba(0, 0, 0, 0.5);
}

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

/* 视频模态窗口抖音风格样式 */
#videoPlayerContainer {
position: relative;
background-color: #0000009f;
}

#videoPlayer {
/* max-height: 70vh; */
background-color: #000;
}

.video-nav-hint {
padding: 10px;
text-align: center;
color: rgba(255, 255, 255, 0.7);
background-color: rgba(0, 0, 0, 0.3);
transition: all 0.3s ease;
opacity: 0.6;
}

.video-nav-hint:hover {
opacity: 1;
background-color: rgba(0, 0, 0, 0.5);
}

.top-hint, .bottom-hint {
display: flex;
align-items: center;
justify-content: center;
gap: 8px;
}

#currentVideoInfo {
background-color: rgba(0, 0, 0, 0.05);
border-top: 1px solid rgba(0, 0, 0, 0.1);
}

/* 滚动提示动画 */
@keyframes bounce {
0%, 20%, 50%, 80%, 100% {transform: translateY(0);}
40% {transform: translateY(-5px);}
60% {transform: translateY(-3px);}
}

.top-hint i {
animation: bounce 2s infinite;
}

.bottom-hint i {
animation: bounce 2s infinite reverse;
}

/* 确保视频模态框在移动设备上也能全屏展示 */
@media (max-width: 768px) {
#videoPlayerModal .modal-dialog {
margin: 0;
max-width: 100%;
height: 100%;
}

#videoPlayerModal .modal-content {
height: 100%;
border-radius: 0;
}

#videoPlayer {
max-height: 60vh;
}
}

/* TikTok风格视频播放器样式 */
#videoPlayerModal .modal-dialog {
margin: 0;
max-width: 100%;
height: 100%;
}

#videoPlayerModal .modal-content {
height: 100%;
border: none;
border-radius: 0;
position: relative;
overflow: hidden;
}

/* 鼠标控制显示容器 */
.video-controls-container {
position: absolute;
top: 0;
left: 0;
width: 100%;
height: 100%;
z-index: 50;
opacity: 0;
pointer-events: none;
transition: opacity 0.3s ease;
background: linear-gradient(to bottom, 
        rgba(0,0,0,0.7) 0%, 
        rgba(0,0,0,0) 15%, 
        rgba(0,0,0,0) 85%, 
        rgba(0,0,0,0.7) 100%);
}

.video-controls-visible .video-controls-container {
opacity: 1;
pointer-events: auto;
}

/* 顶部控制栏 */
.video-top-controls {
position: absolute;
top: 0;
left: 0;
width: 100%;
padding: 15px;
display: flex;
align-items: center;
z-index: 55;
}

.btn-back {
background: rgba(0, 0, 0, 0.4);
color: white;
border: none;
width: 40px;
height: 40px;
border-radius: 50%;
display: flex;
align-items: center;
justify-content: center;
margin-right: 15px;
cursor: pointer;
}

.video-title {
color: white;
margin: 0;
flex-grow: 1;
text-shadow: 0 1px 2px rgba(0, 0, 0, 0.7);
white-space: nowrap;
overflow: hidden;
text-overflow: ellipsis;
}

.video-actions {
display: flex;
gap: 10px;
}

.btn-action {
background: rgba(0, 0, 0, 0.4);
color: white;
border: none;
width: 40px;
height: 40px;
border-radius: 50%;
display: flex;
align-items: center;
justify-content: center;
cursor: pointer;
transition: all 0.2s;
}

.btn-action:hover {
background: rgba(255, 255, 255, 0.2);
}

/* 底部控制栏 */
.video-bottom-controls {
position: absolute;
bottom: 0;
left: 0;
width: 100%;
padding: 15px;
z-index: 55;
}

.video-progress-container {
display: flex;
align-items: center;
color: white;
margin-bottom: 10px;
gap: 10px;
}

.video-time-current, .video-time-total {
font-size: 12px;
min-width: 40px;
}

.video-progress {
flex-grow: 1;
height: 4px;
background: rgba(255, 255, 255, 0.3);
border-radius: 2px;
position: relative;
cursor: pointer;
}

.video-progress-bar {
position: absolute;
top: 0;
left: 0;
height: 100%;
background: var(--accent-color, #FF4136);
border-radius: 2px;
width: 0;
}

.video-control-buttons {
display: flex;
align-items: center;
gap: 15px;
}

.btn-control {
background: transparent;
color: white;
border: none;
width: 40px;
height: 40px;
display: flex;
align-items: center;
justify-content: center;
cursor: pointer;
transition: all 0.2s;
}

.btn-control:hover {
transform: scale(1.1);
}

.video-counter {
margin-left: auto;
background: rgba(0, 0, 0, 0.5);
color: white;
padding: 5px 10px;
border-radius: 20px;
font-size: 0.9rem;
}


.slide-up {
    animation: slideUp 0.5s cubic-bezier(0.215, 0.61, 0.355, 1) forwards;
}

.slide-down {
    animation: slideDown 0.5s cubic-bezier(0.215, 0.61, 0.355, 1) forwards;
}

/* 改进滑动动画关键帧 */
@keyframes slideUp {
    0% { transform: translateY(0); opacity: 1; }
    100% { transform: translateY(-110%); opacity: 0; }
}

@keyframes slideDown {
    0% { transform: translateY(0); opacity: 1; }
    100% { transform: translateY(110%); opacity: 0; }
}

@keyframes slideInUp {
    0% { transform: translateY(110%); opacity: 0; }
    100% { transform: translateY(0); opacity: 1; }
}

@keyframes slideInDown {
    0% { transform: translateY(-110%); opacity: 0; }
    100% { transform: translateY(0); opacity: 1; }
}

/* 确保全屏模式下视频容器占满空间 */
.modal-fullscreen .tiktok-container {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100%;
    width: 100%;
    position: relative;
}

/* 优化导航提示 */
.nav-hints {
    position: fixed;
    right: 20px;
    top: 50%;
    transform: translateY(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 200px;
    color: rgba(255, 255, 255, 0.8);
    z-index: 100;
    pointer-events: none;
}
    /* 确保全屏模式下视频容器也能正确显示 */
    .modal-fullscreen .tiktok-container {
        display: flex;
        align-items: center;
        justify-content: center;
        height: 100%;
    }
.current-slide {
transform: translateY(0);
z-index: 3;
}

.previous-slide {
transform: translateY(-100%);
z-index: 2;
}

.next-slide {
transform: translateY(100%);
z-index: 1;
}

/* 滑动动画类 */
.slide-up {
animation: slideUp 0.4s cubic-bezier(0.19, 1, 0.22, 1) forwards;
}

.slide-down {
animation: slideDown 0.4s cubic-bezier(0.19, 1, 0.22, 1) forwards;
}

@keyframes slideUp {
0% { transform: translateY(0); }
100% { transform: translateY(-100%); }
}

@keyframes slideDown {
0% { transform: translateY(0); }
100% { transform: translateY(100%); }
}

.slide-in-up {
animation: slideInUp 0.4s cubic-bezier(0.19, 1, 0.22, 1) forwards;
}

.slide-in-down {
animation: slideInDown 0.4s cubic-bezier(0.19, 1, 0.22, 1) forwards;
}

@keyframes slideInUp {
0% { transform: translateY(100%); }
100% { transform: translateY(0); }
}

@keyframes slideInDown {
0% { transform: translateY(-100%); }
100% { transform: translateY(0); }
}

/* 视频容器 - 确保适应不同屏幕尺寸 */
.tiktok-container {
    height: 100%;
    width: 100%;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

/* 视频包装器 - 使其能够正确适配视频尺寸 */

.video-wrapper {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: #000;
    width: auto;
    height: auto;
    max-width: 95%;
    max-height: 95%;
}

/* 视频元素 - 默认适应屏幕保持比例 */
.tiktok-video {
    width: auto;
    height: auto;
    max-width: 100%;
    max-height: 90vh;
    object-fit: contain; /* 更改为contain以显示完整视频 */
    transition: all 0.3s cubic-bezier(0.19, 1, 0.22, 1);
}

/* 放大状态 - 使用更自然的缩放 */
.video-zoomed .tiktok-video {
    transform: scale(1.5);
    object-fit: contain; /* 确保即使在放大状态也不裁剪视频 */
    transform-origin: center;
}

/* 优化滑动动画 */
.video-slider {
    position: absolute;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.3s ease;
}


@keyframes slideUp {
    0% { transform: translateY(0); opacity: 1; }
    15% { opacity: 0.9; }
    100% { transform: translateY(-100%); opacity: 0; }
}

@keyframes slideDown {
    0% { transform: translateY(0); opacity: 1; }
    15% { opacity: 0.9; }
    100% { transform: translateY(100%); opacity: 0; }
}

@keyframes slideInUp {
    0% { transform: translateY(100%); opacity: 0; }
    85% { opacity: 0.9; }
    100% { transform: translateY(0); opacity: 1; }
}

@keyframes slideInDown {
    0% { transform: translateY(-100%); opacity: 0; }
    85% { opacity: 0.9; }
    100% { transform: translateY(0); opacity: 1; }
}

/* 媒体查询 - 确保在不同设备上正确显示 */
@media (max-aspect-ratio: 1/1) {
    /* 竖屏设备优化 */
    .tiktok-video {
        width: 100%;
        height: auto;
    }
}

@media (min-aspect-ratio: 1/1) {
    /* 横屏设备优化 */
    .tiktok-video {
        width: auto;
        height: 100%;
    }
}

/* 导航提示 */
.nav-hints {
position: absolute;
right: 20px;
top: 50%;
transform: translateY(-50%);
display: flex;
flex-direction: column;
align-items: center;
gap: 200px;
color: rgba(255, 255, 255, 0.7);
z-index: 30;
}

.hint-up, .hint-down {
display: flex;
flex-direction: column;
align-items: center;
opacity: 0.6;
transition: all 0.3s;
}

.hint-up i, .hint-down i {
font-size: 24px;
margin: 5px 0;
}

.hint-up.active, .hint-down.active {
opacity: 1;
transform: scale(1.2);
}

/* 上下滚动提示动画 */
.hint-up i {
animation: floatUp 2s infinite;
}

.hint-down i {
animation: floatDown 2s infinite;
}

@keyframes floatUp {
0%, 100% { transform: translateY(0); }
50% { transform: translateY(-10px); }
}

@keyframes floatDown {
0%, 100% { transform: translateY(0); }
50% { transform: translateY(10px); }
}

/* 放大提示 */
.zoom-hint {
position: absolute;
left: 50%;
bottom: 80px;
transform: translateX(-50%);
background: rgba(0, 0, 0, 0.5);
color: white;
padding: 5px 15px;
border-radius: 20px;
font-size: 0.9rem;
opacity: 0;
transition: opacity 0.5s;
z-index: 40;
}

.zoom-hint.show {
opacity: 0.7;
}

/* 放大状态 */
.video-zoomed .tiktok-video {
object-fit: cover;
transform-origin: center;
transition: transform 0.3s ease;
}

.video-zoomed .video-wrapper {
overflow: hidden;
}

/* 自定义视频控制器 - 隐藏原生控件 */
.tiktok-video::-webkit-media-controls {
display: none !important;
}

.tiktok-video::-webkit-media-controls-enclosure {
display: none !important;
}

/* 响应式调整 */
@media (max-width: 768px) {
.video-top-controls,
.video-bottom-controls {
padding: 10px;
}

.nav-hints {
gap: 150px;
}

.video-title {
font-size: 1rem;
}
}

.loading-indicator {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: rgba(255, 255, 255, 0.4);
    z-index: 1;
}

.file-item {
    transition: all 0.2s ease-in-out;
}

.file-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.file-name {
    max-width: 100%;
    overflow: hidden;
    text-overflow: ellipsis;
}

.file-preview {
    position: relative;
    overflow: hidden;
}

/* 添加点击反馈效果 */
.file-item .file-preview:active {
    transform: scale(0.95);
}


.fade-transition {
    opacity: 0;
    transition: opacity 0.3s ease-in-out;
  }
  
  .fade-transition.show {
    opacity: 1;
  }


.loading-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.7);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 10;
  }
  
  .spinner-container {
    background: white;
    padding: 15px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  }


@keyframes skeleton-loading {
    0% {
      background-position: -200px 0;
    }
    100% {
      background-position: calc(200px + 100%) 0;
    }
  }
  
  .skeleton-item {
    pointer-events: none;
  }
  
  .skeleton-preview,
  .skeleton-line,
  .skeleton-circle,
  .skeleton-actions {
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 200px 100%;
    animation: skeleton-loading 1.5s infinite;
  }
  
  .skeleton-preview {
    width: 100%;
    height: 150px;
    border-radius: 4px;
  }
  
  .skeleton-circle {
    width: 24px;
    height: 24px;
    border-radius: 50%;
  }
  
  .skeleton-actions {
    width: 120px;
    height: 32px;
    border-radius: 4px;
  }