/* 视频列表页面专用样式 - f-video-list_8.css */

/* 视频网格布局 */
.video-grid {
    margin-top: 2rem;
}

/* 筛选区域样式 - 统一高度 */
.card-body .input-group .form-control {
    min-height: 38px;
}

/* 搜索结果区域 - 垂直居中对齐 */
.search-result-container {
    display: flex;
    align-items: center;
    min-height: 45px;
}

/* 自定义多选下拉框样式 */
.custom-multiselect {
    position: relative;
    width: 100%;
}

.multiselect-display {
    background-color: var(--bs-body-bg, #fff);
    border: 2px solid var(--border-color);
    border-radius: 0.5rem;
    padding: 0.375rem 2.5rem 0.375rem 0.75rem;
    cursor: pointer;
    transition: all 0.3s ease;
    color: var(--text-primary);
    min-height: 38px;
    display: flex;
    align-items: center;
    justify-content: flex-start; /* 确保内容靠左对齐 */
    user-select: none;
}

.multiselect-display:hover {
    border-color: var(--brand-color);
}

.multiselect-display.active {
    border-color: var(--brand-color);
    box-shadow: 0 0 0 0.2rem rgba(37, 99, 235, 0.25);
}

.placeholder-text {
    color: var(--text-secondary);
    flex-grow: 1;
    text-align: left; /* 明确设置文本左对齐 */
}

.selected-items {
    display: flex;
    flex-wrap: wrap;
    gap: 0.25rem;
    justify-content: flex-start; /* 确保选中项靠左对齐 */
    align-items: center;
    flex-grow: 1;
    text-align: left; /* 确保内容文本左对齐 */
}

.selected-item {
    background-color: #3b82f6;
    color: white;
    border-radius: 0.375rem;
    padding: 0.25rem 0.5rem;
    font-size: 0.875rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    white-space: nowrap;
    flex-shrink: 0;
}

.selected-item .remove-btn {
    background: none;
    border: none;
    color: white;
    cursor: pointer;
    padding: 0;
    font-size: 0.75rem;
    opacity: 0.7;
    transition: opacity 0.2s;
}

.selected-item .remove-btn:hover {
    opacity: 1;
}

/* 选中项目计数显示 - 确保左对齐 */
.selected-count {
    background-color: #6366f1;
    color: white;
    border-radius: 0.375rem;
    padding: 0.25rem 0.5rem;
    font-size: 0.875rem;
    font-weight: 500;
    white-space: nowrap;
    flex-shrink: 0;
    margin-left: auto; /* count靠右，其他项目靠左 */
}

.arrow-icon {
    transition: transform 0.3s ease;
    color: var(--text-secondary);
    margin-left: auto; /* 箭头始终在最右侧 */
    flex-shrink: 0; /* 防止箭头被压缩 */
}

.multiselect-display.active .arrow-icon {
    transform: rotate(180deg);
}

.multiselect-dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--bs-body-bg, white);
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    margin-top: 4px;
    max-height: 200px;
    overflow-y: auto;
    z-index: 1000;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    display: none;
}

.multiselect-dropdown.show {
    display: block;
}

.dropdown-option {
    padding: 0.5rem 0.75rem;
    cursor: pointer;
    transition: all 0.2s ease;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.dropdown-option:last-child {
    border-bottom: none;
}

.dropdown-option:hover {
    background-color: #3b82f6;
    color: white;
}

.dropdown-option input[type="checkbox"] {
    margin: 0;
    cursor: pointer;
}

.dropdown-option label {
    margin: 0;
    cursor: pointer;
    flex-grow: 1;
    user-select: none;
}

/* 深色主题适配 */
[data-bs-theme="dark"] .multiselect-display {
    background-color: var(--dark-color);
    border-color: var(--border-color);
    color: var(--text-primary);
}

[data-bs-theme="dark"] .multiselect-dropdown {
    background-color: var(--dark-color);
    border-color: var(--border-color);
}

[data-bs-theme="dark"] .dropdown-option {
    color: var(--text-primary);
    border-bottom: 1px solid var(--border-color);
}

[data-bs-theme="dark"] .dropdown-option:hover {
    background-color: #3b82f6;
    color: white;
}

[data-bs-theme="dark"] .placeholder-text {
    color: #9ca3af;
}

/* 微信二维码提示框样式 */
.wechat-qr-tooltip {
    /* 样式在JS中动态设置 */
}

/* 视频卡片样式 */
.video-card-container {
    z-index: 0;
}

.video-card {
    background: white;
    overflow: hidden;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
}

.video-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
}

/* 视频缩略图容器 */
.video-thumbnail {
    position: relative;
    width: 100%;
    height: 171px;
    overflow: hidden;
    background-color: var(--bg-light);
}

.video-thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.video-card:hover .video-thumbnail img {
    transform: scale(1.05);
}

.video-thumbnail a {
    display: block;
    width: 100%;
    height: 100%;
}

/* 视频信息区域 */
.video-info {
    padding: 1.25rem;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.video-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.video-title:hover {
    color: var(--brand-color);
    cursor: pointer;
}

/* 视频元信息样式 */
.video-meta {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-bottom: 0.75rem;
}

.video-meta i {
    font-size: 0.75rem;
}

/* 视频描述 */
.video-description {
    font-size: 0.875rem;
    color: var(--text-secondary);
    line-height: 1.5;
    margin-bottom: 1rem;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    flex-grow: 1;
}

/* 卡片底部样式 - 重新设计 */
.video-card .card-footer {
    margin-top: auto;
    background-color: rgba(248, 249, 250, 0.5);
    border-top: 1px solid var(--border-color);
    padding: 0.75rem 1.25rem;
    border-bottom-left-radius: 1rem;
    border-bottom-right-radius: 1rem;
}

.card-footer > div {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
}

/* 深色主题下的card-footer */
[data-bs-theme="dark"] .video-card .card-footer {
    background-color: rgba(55, 65, 81, 0.5);
    border-top: 1px solid var(--border-color);
}



/* 自定义分页样式 */
.pagination-wrapper {
    gap: 1rem;
}

.pagination-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 2.5rem;
    height: 2.5rem;
    padding: 0.5rem 0.75rem;
    margin: 0 0.125rem;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
    background-color: white;
    border: 2px solid var(--border-color);
    border-radius: 0.5rem;
    text-decoration: none;
    transition: all 0.3s ease;
}

.pagination-btn:hover {
    color: var(--brand-color);
    background-color: var(--bg-light);
    border-color: var(--brand-color);
    transform: translateY(-1px);
    text-decoration: none;
}

.pagination-btn.active {
    color: white;
    background-color: var(--brand-color);
    border-color: var(--brand-color);
    cursor: default;
}

.pagination-btn-prev,
.pagination-btn-next {
    font-size: 1rem;
    min-width: 2.5rem;
}

.pagination-numbers {
    display: flex;
    align-items: center;
}

/* 深色主题适配 */
[data-bs-theme="dark"] .video-card {
    background: var(--dark-color);
    border-color: var(--border-color);
}

[data-bs-theme="dark"] .video-title {
    color: var(--text-primary);
}

[data-bs-theme="dark"] .form-select,
[data-bs-theme="dark"] .form-control {
    background-color: var(--dark-color);
    border-color: var(--border-color);
    color: var(--text-primary);
}

[data-bs-theme="dark"] .pagination-btn {
    background-color: var(--dark-color);
    border-color: var(--border-color);
    color: var(--text-primary);
}

[data-bs-theme="dark"] .pagination-btn:hover {
    background-color: var(--bg-light);
    border-color: var(--brand-color);
}

/* 响应式设计 */
@media (max-width: 1200px) {
    .video-grid .col-lg-3 {
        margin-bottom: 1.5rem;
    }
}

@media (max-width: 992px) {
    .video-thumbnail {
        height: 180px;
    }
    
    .video-info {
        padding: 1rem;
    }
    
    .pagination-btn {
        min-width: 2.25rem;
        height: 2.25rem;
        font-size: 0.8rem;
    }
}

@media (max-width: 768px) {
    .video-grid .row {
        margin: 0 -0.5rem;
    }
    
    .video-grid .col-sm-6 {
        padding: 0 0.5rem;
        margin-bottom: 1rem;
    }
    
    .video-thumbnail {
        height: 160px;
    }
    
    .video-title {
        font-size: 1rem;
    }
    
    .pagination-btn {
        min-width: 2rem;
        height: 2rem;
        font-size: 0.75rem;
        padding: 0.25rem 0.5rem;
    }
    
    .pagination-wrapper {
        gap: 0.5rem;
    }
    
    .card-footer > div {
        flex-direction: column;
        gap: 0.5rem;
        align-items: flex-start;
    }
}

@media (max-width: 576px) {
    .video-grid .col-sm-6 {
        flex: 0 0 100%;
        max-width: 100%;
    }
    
    .pagination-numbers {
        flex-wrap: wrap;
        justify-content: center;
        gap: 0.25rem;
    }
}

/* 加载动画 */
.video-card.loading {
    opacity: 0.7;
    pointer-events: none;
}

.video-card.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 2rem;
    height: 2rem;
    margin: -1rem 0 0 -1rem;
    border: 3px solid var(--border-color);
    border-top: 3px solid var(--brand-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* 空状态样式 */
.empty-state {
    text-align: center;
    padding: 4rem 2rem;
    color: var(--text-secondary);
}

.empty-state i {
    font-size: 4rem;
    color: var(--border-color);
    margin-bottom: 1rem;
}

.empty-state h3 {
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.empty-state p {
    font-size: 1.1rem;
    margin-bottom: 2rem;
}