/**
 * 资源管理器风格样式
 * Windows Explorer-like breadcrumb and folder view
 */

/* 面包屑导航行 */
.breadcrumb-row {
    background: linear-gradient(180deg, rgba(88, 166, 255, 0.08) 0%, rgba(88, 166, 255, 0.02) 100%);
    border-bottom: 1px solid rgba(88, 166, 255, 0.15);
}

.breadcrumb-row td {
    padding: 10px 16px;
}

/* 面包屑导航容器 */
.breadcrumb-nav {
    display: flex;
    align-items: center;
    gap: 4px;
    flex-wrap: wrap;
}

/* 返回上级箭头 */
.breadcrumb-back {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    margin-right: 8px;
    border-radius: 4px;
    cursor: pointer;
    color: var(--text-muted);
    transition: all 0.15s ease;
    background: rgba(88, 166, 255, 0.1);
}

.breadcrumb-back:hover {
    background: rgba(88, 166, 255, 0.25);
    color: var(--accent-primary);
    transform: translateX(-2px);
}

.breadcrumb-back svg {
    width: 16px;
    height: 16px;
}

/* 面包屑项 */
.breadcrumb-item {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 13px;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.15s ease;
    white-space: nowrap;
}

.breadcrumb-item:hover {
    background: rgba(88, 166, 255, 0.15);
    color: var(--accent-primary);
}

.breadcrumb-item.active {
    color: var(--accent-primary);
    font-weight: 500;
    cursor: default;
}

.breadcrumb-item.active:hover {
    background: transparent;
}

/* 面包屑分隔符 */
.breadcrumb-separator {
    color: var(--text-muted);
    font-size: 14px;
    opacity: 0.6;
    user-select: none;
}

/* 返回上级行 */
.go-up-row {
    background: rgba(88, 166, 255, 0.03);
    border-bottom: 1px solid rgba(88, 166, 255, 0.08);
    transition: all 0.15s ease;
}

.go-up-row:hover {
    background: rgba(88, 166, 255, 0.08);
}

.go-up-row td {
    padding: 10px 16px;
}

.go-up-icon {
    margin-right: 8px;
    font-size: 14px;
}

.go-up-text {
    font-size: 13px;
    color: var(--text-secondary);
    font-weight: 500;
}

.go-up-row:hover .go-up-text {
    color: var(--accent-primary);
}

/* 文件夹行（平铺） */
.folder-row-flat {
    transition: all 0.15s ease;
}

.folder-row-flat:hover {
    background: rgba(88, 166, 255, 0.06) !important;
}

.folder-flat-wrapper {
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.folder-flat-icon {
    font-size: 20px;
    flex-shrink: 0;
}

.folder-flat-name {
    font-size: 13px;
    font-weight: 500;
    color: var(--text-primary);
}

.folder-flat-count {
    font-size: 12px;
    color: var(--text-muted);
    opacity: 0.8;
}

/* 文件行（平铺） */
.file-row-flat {
    transition: all 0.15s ease;
}

.file-row-flat:hover {
    background: rgba(88, 166, 255, 0.04);
}

/* 批量管理模式下选中行不受 hover 效果影响 */
.file-row-flat.batch-selected,
.file-row-flat.batch-selected:hover,
.file-row-flat.batch-partial,
.file-row-flat.batch-partial:hover {
    background: rgba(88, 166, 255, 0.22) !important;
}

.file-flat-wrapper {
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.file-flat-name {
    font-size: 13px;
    color: var(--text-secondary);
}

.file-row-flat:hover .file-flat-name {
    color: var(--text-primary);
}

/* 空文件夹提示 */
.empty-state {
    text-align: center;
    padding: 40px 20px;
    color: var(--text-muted);
    font-style: italic;
}

/* 响应式调整 */
@media (max-width: 768px) {
    .breadcrumb-row td {
        padding: 8px 12px;
    }
    
    .breadcrumb-item {
        font-size: 12px;
        padding: 3px 6px;
    }
    
    .go-up-row td {
        padding: 8px 12px;
    }
    
    .folder-flat-icon {
        font-size: 18px;
    }
    
    .folder-flat-name,
    .file-flat-name {
        font-size: 12px;
    }
}