/* 新版布局样式 - 左右分栏设计 */

.layout-container {
    display: flex;
    gap: 20px;
    min-height: calc(100vh - 40px);
    align-items: flex-start;
}

/* 左侧视频区域 */
.video-section {
    flex: 1;
    min-width: 0;
    position: sticky;
    top: 20px;
}

.video-section .video-container {
    background: #000;
    border-radius: 10px;
    overflow: hidden;
    margin-bottom: 15px;
    aspect-ratio: 16/9;
    max-height: 80vh;
    display: flex;
    justify-content: center;
    align-items: center;
}

.video-section .video-container #videoCanvas {
    width: 100%;
    height: 100%;
    object-fit: contain;
    background: #000;
}

/* 字幕预览容器 - 在视频下方 */
.subtitle-preview-container {
    background: #2d2d2d;
    border-radius: 10px;
    padding: 15px;
    margin-bottom: 15px;
}

.subtitle-preview-container h3 {
    color: #ff6b00;
    margin-bottom: 10px;
    font-size: 16px;
}

.subtitle-preview-content {
    min-height: 60px;
    padding: 15px;
    background: #3d3d3d;
    border-radius: 8px;
    font-size: 16px;
    text-align: center;
    border: 1px solid #555;
    transition: all 0.3s;
    display: block;
    white-space: pre-line;
    line-height: 1.5;
}

/* 每条预览字幕作为块级行显示，避免因内联或空格替换导致的重叠 */
.subtitle-preview-content .ap-sub-preview-line {
    display: block;
    width: 100%;
    box-sizing: border-box;
    line-height: 1.35 !important;
    margin-bottom: 6px !important;
    white-space: pre-wrap !important; /* 允许自动换行同时保留换行符 */
    overflow-wrap: break-word;
}

.subtitle-preview-content .ap-sub-preview-line span {
    display: inline; /* 内部仍然使用 inline span 显示不同颜色 */
}

/* 备注列表的拖动把手：占据左右空白区域的点击热区，视觉上保持轻量且不影响文本选择 */
.ap-note-drag-handle {
    display: inline-block;
    width: 14px;
    height: 100%;
    vertical-align: top;
    margin-right: 8px;
    cursor: grab;
}

.subtitle-preview-content.active {
    border-color: #ff6b00;
    background: #3d2d2d;
}

/* 右侧控制面板 */
.control-panel {
    width: 400px;
    background: #2d2d2d;
    border-radius: 10px;
    padding: 20px;
    position: sticky;
    top: 20px;
    max-height: calc(100vh - 40px);
    overflow-y: auto;
}

/* 限定渲染/重绘范围，减小主线程绘制负担：对右侧面板使用 paint containment */
.control-panel {
    contain: paint;
}

.control-panel::-webkit-scrollbar {
    width: 6px;
}

.control-panel::-webkit-scrollbar-track {
    background: #1a1a1a;
    border-radius: 3px;
}

.control-panel::-webkit-scrollbar-thumb {
    background: #ff6b00;
    border-radius: 3px;
}

/* 应用标题区域 - 在控制面板内 */
.header-section {
    text-align: center;
    padding-bottom: 20px;
    border-bottom: 1px solid #3d3d3d;
    margin-bottom: 20px;
}

.app-title {
    color: #ff6b00;
    margin-bottom: 8px;
    font-size: 1.5rem;
    font-weight: bold;
}

.app-description {
    color: #ccc;
    font-size: 0.9rem;
    margin-bottom: 12px;
}

.header-section .nav-links {
    margin-top: 10px;
}

.header-section .nav-link {
    display: inline-block;
    padding: 6px 12px;
    background: #3d3d3d;
    color: #ff6b00;
    text-decoration: none;
    border-radius: 4px;
    font-size: 0.85rem;
    transition: background 0.3s;
}

.header-section .nav-link:hover {
    background: #4d4d4d;
}

/* 控制面板内部布局 */
.panel-section {
    margin-bottom: 25px;
    padding-bottom: 20px;
    border-bottom: 1px solid #3d3d3d;
}

/* 如果面板内部包含大量项（如角色列表），限制绘制范围 */
.panel-section {
    contain: paint;
}

.panel-section:last-child {
    border-bottom: none;
    margin-bottom: 0;
}

.panel-section h3 {
    color: #ff6b00;
    margin-bottom: 15px;
    font-size: 16px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.panel-section h3::before {
    content: "▶";
    font-size: 12px;
}

/* 文件上传区域优化 */
.upload-group {
    margin-bottom: 15px;
}

.upload-group label {
    display: block;
    margin-bottom: 8px;
    color: #ccc;
    font-size: 14px;
    font-weight: 500;
}

.upload-group input,
.upload-group .url-input-container input {
    width: 100%;
    padding: 10px 12px;
    background: #3d3d3d;
    border: 1px solid #555;
    border-radius: 6px;
    color: #fff;
    font-size: 14px;
    transition: border-color 0.3s;
}

.upload-group input:focus,
.upload-group .url-input-container input:focus {
    outline: none;
    border-color: #ff6b00;
}

.url-input-container {
    display: flex;
    gap: 10px;
    align-items: center;
}

.url-input-container input {
    flex: 1;
}

.url-input-container button {
    width: auto;
    padding: 10px 16px;
    background: #ff6b00;
    color: white;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-weight: 600;
    font-size: 14px;
    white-space: nowrap;
    transition: background 0.3s;
}

.url-input-container button:hover {
    background: #e55a00;
}

/* 文件信息区域 */
.file-info-content {
    background: #3d3d3d;
    padding: 12px;
    border-radius: 8px;
    font-size: 13px;
    line-height: 1.5;
    border: 1px solid #555;
}

.file-info-item {
    margin-bottom: 8px;
    display: flex;
    justify-content: space-between;
}

.file-info-item:last-child {
    margin-bottom: 0;
}

.file-info-label {
    color: #aaa;
    font-weight: 500;
}

.file-info-value {
    color: #fff;
    text-align: right;
    max-width: 60%;
    word-break: break-all;
    /* 多行文本省略，最多显示两行 */
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
    line-height: 1.4;
    /* 确保不会出现横向滚动条 */
    white-space: normal;
    word-wrap: break-word;
}

/* 状态消息 */
.status {
    padding: 12px;
    border-radius: 6px;
    margin: 10px 0;
    text-align: center;
    font-size: 14px;
    border: 1px solid transparent;
}

.status.success {
    background: rgba(45, 90, 45, 0.3);
    color: #90ee90;
    border-color: #2d5a2d;
}

.status.error {
    background: rgba(90, 45, 45, 0.3);
    color: #ff6b6b;
    border-color: #5a2d2d;
}

.status.info {
    background: rgba(45, 58, 90, 0.3);
    color: #90c0ee;
    border-color: #2d3a5a;
}

/* 平台信息提示 */
.platform-info {
    font-size: 12px;
    color: #888;
    margin-top: 5px;
    text-align: center;
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .layout-container {
        flex-direction: column;
    }
    
    .control-panel {
        width: 100%;
        position: static;
        max-height: none;
    }
    
    .video-section {
        position: static;
    }
}

/* 控制按钮样式优化 */
.controls-left,
.controls-right {
    display: flex;
    gap: 8px;
    align-items: center;
}

.controls-right {
    margin-left: auto;
}

.play-pause-btn {
    background: #ff6b00 !important;
    border-radius: 50% !important;
    width: 40px !important;
    height: 40px !important;
    font-size: 16px !important;
}

.play-pause-btn:hover {
    background: #e55a00 !important;
    transform: scale(1.05);
}

/* 进度条优化 */
.progress-container {
    flex: 1;
    margin: 0 15px;
}

.progress-bar {
    width: 100%;
    height: 8px;
    background: #3d3d3d;
    border-radius: 4px;
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.progress {
    height: 100%;
    background: linear-gradient(90deg, #ff6b00, #ff8c42);
    border-radius: 4px;
    width: 0%;
    transition: width 0.1s;
    position: relative;
}

.progress::after {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 12px;
    height: 12px;
    background: #fff;
    border-radius: 50%;
    transform: translate(50%, -2px);
    box-shadow: 0 0 4px rgba(255, 107, 0, 0.8);
}

.progress-time {
    display: flex;
    justify-content: space-between;
    font-size: 12px;
    color: #ccc;
    margin-top: 8px;
}