/**
 * AI 工作区统一紫色 Bootstrap nav-tabs（素材库 / 文生图 / 图生图 / 换脸 / 重绘 / 使用说明等共用）
 * 覆盖 Bootstrap 默认样式时必须使用 !important。
 */

.ai-video-purple-tabs {
    display: flex;
    flex-direction: column;
    gap: 0;
    min-width: 0;
}

.ai-video-purple-tabs .ai-video-purple-tabbar {
    flex-shrink: 0;
    padding: 0 !important;
    background: var(--ws-surface, #222222) !important;
    border-bottom: 1px solid var(--ws-border, rgba(255, 255, 255, 0.08)) !important;
}

.ai-video-purple-tabs .ai-video-purple-tabbar.ai-video-purple-tabbar--with-tools {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 8px;
}

.ai-video-purple-tabs .ai-video-purple-tabbar.ai-video-purple-tabbar--with-tools ul.ai-video-purple-nav-tabs {
    flex: 1 1 auto;
    min-width: 0;
    border-bottom: none !important;
    padding: 8px 4px 0 !important;
}

.ai-video-purple-tabs .ai-video-purple-tabbar-tools {
    display: flex;
    align-items: center;
    flex-shrink: 0;
    padding: 0 8px 6px 0;
}

/* 无 Tab 仅放「使用说明」的顶栏（如图生视频右栏） */
.ai-video-purple-tabs .ai-video-purple-tabbar.ai-video-purple-tabbar--tools-only {
    display: flex;
    align-items: flex-end;
    justify-content: flex-end;
    gap: 0;
}

.ai-video-purple-tabs .ai-video-purple-tabbar--tools-only .ai-video-purple-tabbar-tools {
    width: 100%;
    justify-content: flex-end;
    padding: 6px 8px 4px 0;
}

.ai-workspace-results .ai-t2v-results-doc-bar {
    flex-shrink: 0;
}

.ai-video-purple-tabs ul.nav.nav-tabs.ai-video-purple-nav-tabs {
    display: flex !important;
    flex-wrap: nowrap !important;
    align-items: flex-end !important;
    width: 100% !important;
    margin: 0 !important;
    padding: 8px 8px 0 !important;
    border-bottom: 1px solid var(--ws-border, rgba(255, 255, 255, 0.08)) !important;
    background: transparent !important;
}

.ai-video-purple-tabs ul.ai-video-purple-nav-tabs .nav-item {
    flex: 1 1 0 !important;
    min-width: 0 !important;
    margin-bottom: -1px !important;
    text-align: center !important;
}

.ai-video-purple-tabs ul.ai-video-purple-nav-tabs .nav-link {
    display: block !important;
    width: 100% !important;
    margin: 0 !important;
    padding: 0.55rem 0.35rem !important;
    font-size: 0.78rem !important;
    font-weight: 600 !important;
    line-height: 1.2 !important;
    color: var(--ws-text-muted, #999999) !important;
    background-color: rgba(0, 0, 0, 0.12) !important;
    border: 1px solid rgba(255, 255, 255, 0.08) !important;
    border-bottom-color: transparent !important;
    border-radius: 0.35rem 0.35rem 0 0 !important;
    white-space: nowrap !important;
    overflow: hidden !important;
    text-overflow: ellipsis !important;
    cursor: pointer !important;
}

.ai-video-purple-tabs ul.ai-video-purple-nav-tabs .nav-link:hover {
    color: var(--ws-text, #e0e0e0) !important;
    background-color: rgba(255, 255, 255, 0.04) !important;
    border-color: rgba(255, 255, 255, 0.14) !important;
    border-bottom-color: transparent !important;
}

.ai-video-purple-tabs ul.ai-video-purple-nav-tabs .nav-link.active {
    color: #ffffff !important;
    background-color: #7c5cff !important;
    border-color: #6b4ae6 #6b4ae6 #7c5cff !important;
    border-bottom-color: #7c5cff !important;
    box-shadow: none !important;
}

.ai-video-purple-tabs ul.ai-video-purple-nav-tabs .nav-link.active:hover {
    color: #ffffff !important;
    background-color: #8a6dff !important;
    border-color: #7c5cff #7c5cff #8a6dff !important;
    border-bottom-color: #8a6dff !important;
}

.ai-video-purple-tabs ul.ai-video-purple-nav-tabs .nav-link:focus {
    outline: 0 !important;
    box-shadow: 0 0 0 2px rgba(124, 92, 255, 0.35) !important;
}

.ai-video-purple-tabs .ai-video-purple-tab-panel {
    flex: 1 1 auto;
    min-height: 0;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

/* 文生图 / 图生图右栏：Tab 与缩放/反馈工具同一行 */
.ai-video-purple-tabs.ai-workspace-results-tabs .ai-video-purple-tabbar {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 8px;
    padding: 0 4px !important;
}

.ai-video-purple-tabs.ai-workspace-results-tabs ul.ai-video-purple-nav-tabs {
    flex: 1 1 auto;
    min-width: 0;
    border-bottom: none !important;
    padding: 8px 4px 0 !important;
}

.ai-video-purple-tabs.ai-workspace-results-tabs .ai-workspace-results-tabbar-tools {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
    padding: 0 8px 6px 0;
}

.ai-video-purple-tab-panel .ws-tab-badge {
    display: inline-block;
    background: var(--ws-danger, #dc3545);
    color: #fff;
    font-size: 0.6rem;
    font-weight: 600;
    min-width: 16px;
    height: 16px;
    line-height: 16px;
    text-align: center;
    border-radius: 8px;
    padding: 0 4px;
    margin-left: 4px;
    vertical-align: middle;
}

@media (max-width: 991.98px) {
    .ai-video-purple-tabs.ai-workspace-results-tabs .ai-video-purple-tabbar {
        flex-wrap: wrap;
    }

    .ai-video-purple-tabs.ai-workspace-results-tabs .ai-workspace-results-tabbar-tools {
        width: 100%;
        justify-content: flex-end;
        padding: 0 8px 6px;
    }
}