body {
    font-family: Arial, sans-serif;
    margin: 20px;
    background-color: #f5f5f5;
}

.container {
    max-width: 100%;
    margin: 0 auto;
    background-color: white;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    box-sizing: border-box;
}

h1 {
    text-align: center;
    color: #333;
}

.description {
    text-align: center;
    color: #666;
    margin-bottom: 30px;
}

.tabs {
    display: flex;
    border-bottom: 2px solid #4CAF50;
    margin-bottom: 20px;
}

.tab-button {
    padding: 12px 20px;
    cursor: pointer;
    background-color: #f0f0f0;
    border: 1px solid #ddd;
    border-bottom: none;
    outline: none;
    transition: all 0.3s;
    border-radius: 5px 5px 0 0;
    font-weight: bold;
    color: #555;
    margin-right: 5px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.tab-button:hover {
    background-color: #e0e0e0;
}

.tab-button.active {
    background-color: #4CAF50;
    color: white;
    border-color: #4CAF50;
    box-shadow: 0 2px 4px rgba(0,0,0,0.2);
}

.tab-content {
    display: none;
    padding: 20px 0;
}

.tab-content.active {
    display: block;
}

.row {
    display: flex;
    gap: 20px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.column {
    flex: 1;
    min-width: 300px;
    box-sizing: border-box;
}

.form-group {
    margin-bottom: 15px;
}

/* 修复选择文件组件溢出问题 */
.form-group > div[style*="flex"],
.file-selection-container {
    display: flex;
    gap: 10px;
    align-items: center;
    flex-wrap: wrap;
}

.form-group select,
.file-select {
    min-width: 0;
    flex: 1 1 auto;
}

.refresh-btn {
    white-space: nowrap;
}

.button-group {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.add-btn {
    white-space: nowrap;
}

/* 特别优化选择文件组件在小屏幕上的显示 */
@media screen and (max-width: 768px) {
    .form-group > div[style*="flex"],
    .file-selection-container {
        flex-direction: column;
        gap: 10px;
    }
    
    .form-group > div[style*="flex"] button,
    .refresh-btn,
    .add-btn {
        width: 100%;
    }
    
    .button-group {
        width: 100%;
    }
}

label {
    display: block;
    margin-bottom: 5px;
    font-weight: bold;
    color: #555;
}

input[type="file"],
input[type="text"],
input[type="number"],
textarea {
    width: 100%;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 4px;
    box-sizing: border-box;
}

.form-group input[type="file"] {
    padding: 8px;
}

button {
    padding: 10px 16px;
    background-color: #4CAF50;
    color: white;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.3s ease;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    min-width: 80px;
    text-align: center;
}

button:hover {
    background-color: #45a049;
    box-shadow: 0 4px 8px rgba(0,0,0,0.2);
    transform: translateY(-1px);
}

button:active {
    transform: translateY(0);
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

/* 特定按钮样式覆盖 */
#uploadVideoBtn, #uploadExcelBtn, #uploadConcatVideosBtn, #uploadCompressVideoBtn {
    padding: 8px 12px;
    font-size: 13px;
    background-color: #2196F3;
    min-width: auto;
}

#uploadVideoBtn:hover, #uploadExcelBtn:hover, #uploadConcatVideosBtn:hover, #uploadCompressVideoBtn:hover {
    background-color: #0b7dda;
}

#exportExcelBtn, #exportRecordExcelBtn {
    padding: 8px 12px;
    font-size: 13px;
    background-color: #4CAF50;
    min-width: auto;
}

#exportExcelBtn:hover, #exportRecordExcelBtn:hover {
    background-color: #45a049;
}


#seekBtn, #recordTimeBtn {
    padding: 8px 12px;
    font-size: 13px;
    background-color: #2196F3;
    min-width: auto;
    white-space: nowrap;
}

#seekBtn:hover, #recordTimeBtn:hover {
    background-color: #0b7dda;
}

#concatButton, #compressButton {
    background-color: #FF5722 !important;
    color: white !important;
    padding: 16px 32px !important;
    font-size: 18px !important;
    border-radius: 8px !important;
    box-shadow: 0 4px 8px rgba(255, 87, 34, 0.3) !important;
    font-weight: bold;
    transition: all 0.3s ease;
    min-width: 120px;
}

#concatButton:hover, #compressButton:hover {
    background-color: #E64A19 !important;
    box-shadow: 0 6px 12px rgba(255, 87, 34, 0.4) !important;
    transform: translateY(-2px);
}

#concatButton:active, #compressButton:active {
    transform: translateY(0);
    box-shadow: 0 4px 8px rgba(255, 87, 34, 0.3) !important;
}

#cutButton {
    background-color: #FF5722 !important;
    color: white !important;
    padding: 16px 32px !important;
    font-size: 18px !important;
    border-radius: 8px !important;
    box-shadow: 0 4px 8px rgba(255, 87, 34, 0.3) !important;
    font-weight: bold;
    transition: all 0.3s ease;
    min-width: 120px;
}

#cutButton:hover {
    background-color: #E64A19 !important;
    box-shadow: 0 6px 12px rgba(255, 87, 34, 0.4) !important;
    transform: translateY(-2px);
}

#cutButton:active {
    transform: translateY(0);
    box-shadow: 0 4px 8px rgba(255, 87, 34, 0.3) !important;
}

#cutButton span, #concatButton span, #compressButton span {
    margin-right: 8px;
}

button.secondary {
    background-color: #2196F3;
}

button.secondary:hover {
    background-color: #0b7dda;
}

.delete-row-btn, .delete-record-row-btn {
    background-color: #f44336;
    color: white;
    border: none;
    padding: 6px 10px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 12px;
    box-shadow: 0 1px 2px rgba(0,0,0,0.1);
    min-width: auto;
}

.delete-row-btn:hover, .delete-record-row-btn:hover {
    background-color: #d32f2f;
    box-shadow: 0 2px 4px rgba(0,0,0,0.2);
}

#deleteSelectedRowsBtn, #deleteSelectedRecordRowsBtn {
    background-color: #f44336;
    padding: 8px 12px;
    font-size: 13px;
    min-width: auto;
}

#deleteSelectedRowsBtn:hover, #deleteSelectedRecordRowsBtn:hover {
    background-color: #d32f2f;
}

.remove-btn {
    background-color: #f44336;
    padding: 6px 10px;
    font-size: 12px;
    box-shadow: 0 1px 2px rgba(0,0,0,0.1);
    min-width: auto;
}

.remove-btn:hover {
    background-color: #d32f2f;
    box-shadow: 0 2px 4px rgba(0,0,0,0.2);
}

.video-container {
    position: relative;
    width: 100%;
    margin-bottom: 15px;
}

video {
    width: 100%;
    height: auto;
    background-color: #000;
    border-radius: 4px;
}

.controls {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 15px;
}

/* 修改进度条样式为可拖动 */
.progress-container {
    flex: 1;
    height: 10px;
    cursor: pointer;
    position: relative;
}

#progressBarBackground {
    width: 100%;
    height: 100%;
    background-color: #ddd;
    border-radius: 5px;
    position: relative;
}

#progressBarFill {
    height: 100%;
    background-color: #4CAF50;
    border-radius: 5px;
    width: 0%;
    transition: width 0.1s;
}

#progressBarBackground:hover #progressBarFill {
    background-color: #45a049;
}

/* 拖动时显示的时间帧样式 */
#hoverTimeDisplay {
    position: absolute;
    top: -25px;
    background: rgba(0,0,0,0.8);
    color: white;
    padding: 2px 6px;
    border-radius: 3px;
    font-size: 12px;
    display: none;
    pointer-events: none;
    white-space: nowrap;
    z-index: 100;
}

/* 视频剪辑页面的进度条样式 */
#cuttingProgressContainer {
    flex: 1;
    height: 10px;
    cursor: pointer;
    position: relative;
}

#cuttingProgressBarBackground {
    width: 100%;
    height: 100%;
    background-color: #ddd;
    border-radius: 5px;
    position: relative;
}

#cuttingProgressBarFill {
    height: 100%;
    background-color: #4CAF50;
    border-radius: 5px;
    width: 0%;
    transition: width 0.1s;
}

#cuttingProgressBarBackground:hover #cuttingProgressBarFill {
    background-color: #45a049;
}

/* 视频剪辑页面拖动时显示的时间帧样式 */
#cuttingHoverTimeDisplay {
    position: absolute;
    top: -25px;
    background: rgba(0,0,0,0.8);
    color: white;
    padding: 2px 6px;
    border-radius: 3px;
    font-size: 12px;
    display: none;
    pointer-events: none;
    white-space: nowrap;
    z-index: 100;
}

/* 视频压缩页面的进度条样式 */
#compressProgressContainer {
    flex: 1;
    height: 10px;
    cursor: pointer;
    position: relative;
}

#compressProgressBarBackground {
    width: 100%;
    height: 100%;
    background-color: #ddd;
    border-radius: 5px;
    position: relative;
}

#compressProgressBarFill {
    height: 100%;
    background-color: #4CAF50;
    border-radius: 5px;
    width: 0%;
    transition: width 0.1s;
}

#compressProgressBarBackground:hover #compressProgressBarFill {
    background-color: #45a049;
}

/* 视频压缩页面拖动时显示的时间帧样式 */
#compressHoverTimeDisplay {
    position: absolute;
    top: -25px;
    background: rgba(0,0,0,0.8);
    color: white;
    padding: 2px 6px;
    border-radius: 3px;
    font-size: 12px;
    display: none;
    pointer-events: none;
    white-space: nowrap;
    z-index: 100;
}

progress {
    width: 100%;
    height: 10px;
}

table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 20px;
    table-layout: fixed;
}

/* 视频打标页面的记录表格样式 */
.record-table-container {
    max-height: 300px; /* 与视频信息详情框高度保持一致 */
    overflow-y: auto;
    border: 1px solid #ddd;
    border-radius: 4px;
    margin-top: 10px;
}

#recordTable {
    width: 100%;
    border-collapse: collapse;
    table-layout: fixed;
    margin: 0;
}

#recordTable thead {
    position: sticky;
    top: 0;
    background-color: #f2f2f2;
    z-index: 10;
}

th, td {
    border: 1px solid #ddd;
    padding: 12px;
    text-align: left;
    word-wrap: break-word;
}

th {
    background-color: #f2f2f2;
    font-weight: bold;
}

tr:nth-child(even) {
    background-color: #f9f9f9;
}

.editable {
    cursor: pointer;
    padding: 5px;
    transition: all 0.2s;
    word-wrap: break-word;
}

.editable:hover {
    background-color: #e0e0e0;
}

.active-cell {
    background-color: #ffeb3b !important;
    border: 2px solid #ff9800 !important;
    border-radius: 3px;
    box-shadow: 0 0 5px rgba(255, 152, 0, 0.5);
}

.duration-cell {
    background-color: #e3f2fd;
    text-align: center;
    font-weight: bold;
    color: #1976d2;
}

.result-box {
    width: 100%;
    min-height: 150px;
    padding: 15px;
    border: 1px solid #ddd;
    border-radius: 4px;
    background-color: #f9f9f9;
    white-space: pre-wrap;
    font-family: monospace;
    overflow-y: auto;
    max-height: 300px;
    box-sizing: border-box;
    max-width: 100%;
}

.info-box {
    padding: 15px;
    border: 1px solid #ddd;
    border-radius: 4px;
    background-color: #f0f8ff;
    margin-bottom: 15px;
    box-sizing: border-box;
    max-width: 100%;
}

.hidden {
    display: none;
}

.section-title {
    margin-top: 30px;
    margin-bottom: 15px;
    padding-bottom: 10px;
    border-bottom: 1px solid #eee;
    color: #333;
}

.output-files {
    margin-top: 20px;
    padding: 15px;
    border: 1px solid #ddd;
    border-radius: 4px;
    background-color: #f9f9f9;
}

.output-files h3 {
    margin-top: 0;
    color: #333;
    border-bottom: 1px solid #eee;
    padding-bottom: 10px;
}

.uploaded-videos ul,
.output-files ul {
    list-style-type: none;
    padding: 0;
    max-height: 300px;
    overflow-y: auto;
}

.uploaded-videos li,
.output-files li {
    padding: 10px;
    border-bottom: 1px solid #eee;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: background-color 0.2s;
}

.uploaded-videos li:hover,
.output-files li:hover {
    background-color: #f0f8ff;
}

.uploaded-videos li:last-child,
.output-files li:last-child {
    border-bottom: none;
}

.output-files a {
    display: inline-block;
    padding: 5px 10px;
    background-color: #4CAF50;
    color: white;
    text-decoration: none;
    border-radius: 3px;
    font-size: 12px;
    transition: background-color 0.2s;
}

.output-files a:hover {
    background-color: #45a049;
}

/* 拖拽排序样式 */
.sortable-list {
    transition: min-height 0.2s ease;
}

.sortable-item {
    cursor: move;
    user-select: none;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    position: relative;
}

.sortable-item:hover {
    background-color: #f0f8ff;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

.sortable-item.dragging {
    opacity: 0.5;
    transform: scale(0.98);
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
    z-index: 10;
}

.sortable-item.drag-over {
    border-top: 2px solid #4CAF50;
}

.sortable-handle {
    cursor: move;
    padding: 0 8px;
    color: #999;
    font-weight: bold;
}

/* 表格操作按钮容器 */
.table-button-group {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 15px;
    padding: 15px;
    background-color: #f8f9fa;
    border-radius: 8px;
    border: 1px solid #e9ecef;
}

/* 表格操作按钮分类标题 */
.table-button-group h4 {
    width: 100%;
    margin: 0 0 10px 0;
    padding: 0;
    font-size: 14px;
    font-weight: 600;
    color: #495057;
}

/* 主要操作按钮（添加行、删除选中行） */
.table-main-action-btn {
    padding: 8px 16px;
    background-color: #4CAF50;
    color: white;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-size: 13px;
    font-weight: 500;
    transition: all 0.3s ease;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    min-width: auto;
}

.table-main-action-btn:hover {
    background-color: #45a049;
    box-shadow: 0 4px 8px rgba(0,0,0,0.2);
    transform: translateY(-1px);
}

/* 辅助操作按钮（计算时长等）- 改为绿色 */
.table-secondary-action-btn {
    padding: 8px 16px;
    background-color: #4CAF50;
    color: white;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-size: 13px;
    font-weight: 500;
    transition: all 0.3s ease;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    min-width: auto;
}

.table-secondary-action-btn:hover {
    background-color: #45a049;
    box-shadow: 0 4px 8px rgba(0,0,0,0.2);
    transform: translateY(-1px);
}

/* 数据操作按钮（导出、同步等）- 改为绿色 */
.table-data-action-btn {
    padding: 8px 16px;
    background-color: #4CAF50;
    color: white;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-size: 13px;
    font-weight: 500;
    transition: all 0.3s ease;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    min-width: auto;
}

.table-data-action-btn:hover {
    background-color: #45a049;
    box-shadow: 0 4px 8px rgba(0,0,0,0.2);
    transform: translateY(-1px);
}

/* 特殊功能按钮（跳转播放等）- 改为绿色 */
.table-special-action-btn {
    padding: 8px 16px;
    background-color: #4CAF50;
    color: white;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-size: 13px;
    font-weight: 500;
    transition: all 0.3s ease;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    min-width: auto;
}

.table-special-action-btn:hover {
    background-color: #45a049;
    box-shadow: 0 4px 8px rgba(0,0,0,0.2);
    transform: translateY(-1px);
}

/* 压缩选项按钮 */
.compression-option-btn {
    padding: 8px 12px;
    background-color: #2196F3;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 12px;
    transition: all 0.3s ease;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    min-width: auto;
}

.compression-option-btn:hover {
    background-color: #0b7dda;
    box-shadow: 0 4px 8px rgba(0,0,0,0.2);
    transform: translateY(-1px);
}

.compression-option-btn:active {
    transform: translateY(0);
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

/* 删除按钮保持原有样式 */
.delete-row-btn, .delete-record-row-btn {
    background-color: #f44336;
    color: white;
    border: none;
    padding: 6px 10px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 12px;
    box-shadow: 0 1px 2px rgba(0,0,0,0.1);
    min-width: auto;
}

.delete-row-btn:hover, .delete-record-row-btn:hover {
    background-color: #d32f2f;
    box-shadow: 0 2px 4px rgba(0,0,0,0.2);
}

/* 响应式设计 */
@media screen and (max-width: 768px) {
    .row {
        flex-direction: column;
    }
    
    .column {
        min-width: 100%;
    }
    
    table {
        font-size: 14px;
    }
    
    th, td {
        padding: 8px;
    }
    
    .form-group input[type="file"],
    .form-group input[type="text"],
    .form-group textarea {
        padding: 8px;
    }
    
    button {
        padding: 10px 15px;
        font-size: 14px;
    }
    
    #cutButton, #concatButton, #compressButton {
        padding: 12px 20px;
        font-size: 16px;
    }
}

/* 框选裁剪 Canvas 样式 */
.crop-canvas-container {
    position: relative;
    display: inline-block;
    max-width: 100%;
}

#cropCanvas {
    display: block;
    max-width: 100%;
    height: auto;
    border: 2px solid #999;
    background: #000;
    cursor: crosshair;
    border-radius: 4px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

#cropCanvas:hover {
    border-color: #4CAF50;
    box-shadow: 0 4px 12px rgba(76, 175, 80, 0.3);
}

/* 裁剪参数显示 */
#cropParams {
    font-family: 'Courier New', monospace;
    background: #e8f5e9;
    padding: 4px 8px;
    border-radius: 4px;
    display: inline-block;
}

#originalResolution {
    font-family: 'Courier New', monospace;
    font-weight: bold;
    color: #2196F3;
}

/* 裁剪按钮样式 */
#applyCropBtn {
    background-color: #FF9800 !important;
    padding: 10px 20px;
    font-weight: bold;
    font-size: 15px;
}

#applyCropBtn:hover {
    background-color: #F57C00 !important;
    box-shadow: 0 4px 8px rgba(255, 152, 0, 0.4);
}

#resetCropBtn {
    background-color: #757575 !important;
    padding: 10px 20px;
}

#resetCropBtn:hover {
    background-color: #616161 !important;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
}

/* 裁剪结果框 */
#cropResult {
    font-size: 14px;
    line-height: 1.6;
}

/* 视频裁剪页面的进度条样式 */
#cropProgressContainer {
    flex: 1;
    height: 10px;
    cursor: pointer;
    position: relative;
}

#cropProgressBarBackground {
    width: 100%;
    height: 100%;
    background-color: #ddd;
    border-radius: 5px;
    position: relative;
}

#cropProgressBarFill {
    height: 100%;
    background-color: #4CAF50;
    border-radius: 5px;
    width: 0%;
    transition: width 0.1s;
}

#cropProgressBarBackground:hover #cropProgressBarFill {
    background-color: #45a049;
}

/* 视频裁剪页面拖动时显示的时间帧样式 */
#cropHoverTimeDisplay {
    position: absolute;
    top: -25px;
    background: rgba(0,0,0,0.8);
    color: white;
    padding: 2px 6px;
    border-radius: 3px;
    font-size: 12px;
    display: none;
    pointer-events: none;
    white-space: nowrap;
    z-index: 100;
}