esengine/packages/editor-app/src/styles/ContentBrowser.css

/* ==================== Content Browser Styles ==================== */

.content-browser {
    display: flex;
    height: 100%;
    background: #1e1e1e;
    color: #e0e0e0;
    font-size: 12px;
    outline: none;
}

.content-browser.is-drawer {
    border-top: 2px solid #3b82f6;
}

.content-browser-empty {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
    color: #666;
}

/* ==================== Left Panel - Folder Tree ==================== */
.content-browser-left {
    width: 200px;
    min-width: 150px;
    max-width: 300px;
    display: flex;
    flex-direction: column;
    background: #252526;
    border-right: 1px solid #3c3c3c;
    overflow: hidden;
}

/* Section (Favorites, Collections) */
.cb-section {
    border-bottom: 1px solid #3c3c3c;
}

.cb-section-header {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 12px;
    font-size: 11px;
    font-weight: 600;
    color: #999;
    cursor: pointer;
    user-select: none;
}

.cb-section-header:hover {
    background: #2d2d30;
}

.cb-section-header span {
    flex: 1;
}

.cb-section-actions {
    display: flex;
    gap: 2px;
}

.cb-section-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 20px;
    height: 20px;
    background: transparent;
    border: none;
    border-radius: 3px;
    color: #666;
    cursor: pointer;
}

.cb-section-btn:hover {
    background: #3c3c3c;
    color: #999;
}

.cb-section-content {
    padding: 4px 0;
}

.cb-section-empty {
    padding: 8px 12px;
    color: #555;
    font-size: 11px;
    font-style: italic;
}

/* Folder Tree */
.cb-folder-tree {
    flex: 1;
    overflow-y: auto;
    padding: 4px 0;
}

.folder-tree-item {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 4px 8px;
    cursor: pointer;
    user-select: none;
    transition: background 0.1s ease;
}

.folder-tree-item:hover {
    background: #2d2d30;
}

.folder-tree-item.selected {
    background: #094771;
}

.folder-tree-expand {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 14px;
    height: 14px;
    color: #888;
    flex-shrink: 0;
}

.folder-tree-icon {
    display: flex;
    align-items: center;
    color: #dcb67a;
    flex-shrink: 0;
}

.folder-tree-name {
    flex: 1;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    font-size: 12px;
}

/* ==================== Managed Directory Indicators ==================== */
.folder-tree-item.managed-root .folder-tree-icon {
    color: #4fc1ff;
}

.folder-tree-item.managed-root .managed-icon {
    color: #4fc1ff;
}

.managed-badge {
    font-size: 9px;
    padding: 1px 4px;
    background: #4fc1ff22;
    color: #4fc1ff;
    border-radius: 3px;
    margin-left: 6px;
    font-weight: 600;
    letter-spacing: 0.5px;
}

/* Warning icons in context menu */
.warning-icon {
    color: #f59e0b !important;
}

.menu-item-with-warning {
    display: inline-flex;
    align-items: center;
    position: relative;
}

.warning-badge {
    position: absolute;
    bottom: -2px;
    right: -4px;
    color: #f59e0b;
}

/* Context menu disabled item for unmanaged warning */
.context-menu-item.disabled .warning-icon {
    color: #f59e0b !important;
}

/* ==================== Drag and Drop Styles ==================== */
.folder-tree-item.drag-over {
    background: #1976d2 !important;
    outline: 2px solid #42a5f5;
}

.cb-asset-item.drag-over {
    background: #1976d2 !important;
    outline: 2px solid #42a5f5;
    border-radius: 4px;
}

/* ==================== Right Panel - Content Area ==================== */
.content-browser-right {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-width: 0;
    background: #1e1e1e;
}

/* Top Toolbar */
.cb-toolbar {
    display: flex;
    align-items: center;
    padding: 6px 12px;
    gap: 8px;
    background: #2d2d30;
    border-bottom: 1px solid #3c3c3c;
}

.cb-toolbar-left {
    display: flex;
    gap: 4px;
}

.cb-toolbar-btn {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 5px 10px;
    background: transparent;
    border: none;
    border-radius: 3px;
    color: #ccc;
    font-size: 12px;
    cursor: pointer;
    transition: all 0.1s ease;
}

.cb-toolbar-btn:hover {
    background: #3c3c3c;
}

.cb-toolbar-btn.primary {
    background: #3b82f6;
    color: #fff;
}

.cb-toolbar-btn.primary:hover {
    background: #2563eb;
}

.cb-toolbar-btn.dock-btn {
    background: #3c3c3c;
}

/* Breadcrumb */
.cb-breadcrumb {
    flex: 1;
    display: flex;
    align-items: center;
    gap: 2px;
    padding: 0 8px;
    overflow: hidden;
}

.cb-breadcrumb-item {
    display: flex;
    align-items: center;
    gap: 2px;
    white-space: nowrap;
}

.cb-breadcrumb-sep {
    color: #666;
    flex-shrink: 0;
}

.cb-breadcrumb-link {
    padding: 2px 6px;
    border-radius: 3px;
    color: #999;
    cursor: pointer;
    transition: all 0.1s ease;
}

.cb-breadcrumb-link:hover {
    background: #3c3c3c;
    color: #fff;
}

.cb-toolbar-right {
    display: flex;
    gap: 4px;
}

/* Search Bar */
.cb-search-bar {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 12px;
    background: #252526;
    border-bottom: 1px solid #3c3c3c;
}

.cb-filter-wrapper {
    position: relative;
}

.cb-filter-btn {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 5px 8px;
    background: #3c3c3c;
    border: none;
    border-radius: 3px;
    color: #999;
    cursor: pointer;
}

.cb-filter-btn:hover {
    background: #4c4c4c;
    color: #ccc;
}

.cb-filter-btn.has-filter {
    background: #0e639c;
    color: #fff;
}

.cb-filter-badge {
    font-size: 10px;
    background: #fff;
    color: #0e639c;
    padding: 0 4px;
    border-radius: 8px;
    margin-left: 2px;
}

.cb-filter-dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    margin-top: 4px;
    min-width: 200px;
    background: #252526;
    border: 1px solid #3c3c3c;
    border-radius: 4px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
    z-index: 100;
}

.cb-filter-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 10px;
    border-bottom: 1px solid #3c3c3c;
    font-size: 11px;
    color: #999;
}

.cb-filter-clear {
    background: none;
    border: none;
    color: #0e639c;
    cursor: pointer;
    font-size: 11px;
    padding: 0;
}

.cb-filter-clear:hover {
    text-decoration: underline;
}

.cb-filter-list {
    max-height: 200px;
    overflow-y: auto;
    padding: 4px 0;
}

.cb-filter-empty {
    padding: 12px;
    text-align: center;
    color: #666;
    font-size: 12px;
}

.cb-filter-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 10px;
    cursor: pointer;
    font-size: 12px;
    color: #ccc;
}

.cb-filter-item:hover {
    background: #2a2d2e;
}

.cb-filter-item input[type="checkbox"] {
    margin: 0;
    width: 14px;
    height: 14px;
}

.cb-filter-ext {
    flex: 1;
    font-family: 'Consolas', 'Monaco', monospace;
}

.cb-filter-count {
    color: #666;
    font-size: 11px;
}

.cb-search-input-wrapper {
    flex: 1;
    position: relative;
    display: flex;
    align-items: center;
}

.cb-search-icon {
    position: absolute;
    left: 10px;
    color: #666;
    pointer-events: none;
}

.cb-search-input {
    width: 100%;
    padding: 6px 28px 6px 32px;
    background: #3c3c3c;
    border: 1px solid #4c4c4c;
    border-radius: 3px;
    color: #e0e0e0;
    font-size: 12px;
    outline: none;
}

.cb-search-input:focus {
    border-color: #3b82f6;
}

.cb-search-input::placeholder {
    color: #666;
}

.cb-search-clear {
    position: absolute;
    right: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2px;
    background: transparent;
    border: none;
    color: #888;
    cursor: pointer;
    border-radius: 2px;
    transition: all 0.15s ease;
}

.cb-search-clear:hover {
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
}

.cb-view-options {
    display: flex;
    gap: 2px;
}

.cb-view-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    background: transparent;
    border: none;
    border-radius: 3px;
    color: #666;
    cursor: pointer;
}

.cb-view-btn:hover {
    background: #3c3c3c;
    color: #999;
}

.cb-view-btn.active {
    background: #3c3c3c;
    color: #e0e0e0;
}

/* ==================== Asset Grid ==================== */
.cb-asset-grid {
    flex: 1;
    overflow-y: auto;
    padding: 12px;
}

.cb-asset-grid.grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(90px, 1fr));
    gap: 8px;
    align-content: start;
}

.cb-asset-grid.list {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

/* Loading Spinner | 加载动画 */
.cb-loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    gap: 12px;
    color: #666;
    font-size: 13px;
}

.cb-loading-spinner {
    width: 32px;
    height: 32px;
    border: 3px solid #3c3c3c;
    border-top-color: #3b82f6;
    border-radius: 50%;
    animation: cbSpinner 0.8s linear infinite;
}

@keyframes cbSpinner {
    to {
        transform: rotate(360deg);
    }
}

/* Empty State | 空状态 */
.cb-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    gap: 12px;
    color: #666;
    font-size: 13px;
    padding: 24px;
    text-align: center;
}

.cb-empty-icon {
    color: #4a4a4a;
    opacity: 0.6;
}

.cb-empty-title {
    font-size: 14px;
    font-weight: 500;
    color: #888;
}

.cb-empty-hint {
    font-size: 12px;
    color: #666;
    max-width: 200px;
    line-height: 1.4;
}

.cb-empty-action {
    margin-top: 8px;
    padding: 6px 16px;
    background: #3b82f6;
    border: none;
    border-radius: 4px;
    color: #fff;
    font-size: 12px;
    cursor: pointer;
    transition: background 0.15s ease;
}

.cb-empty-action:hover {
    background: #2563eb;
}

/* Search Highlight | 搜索高亮 */
.search-highlight {
    background: rgba(59, 130, 246, 0.3);
    color: #fff;
    border-radius: 2px;
    padding: 0 2px;
}

/* Asset Item - Grid View */
.cb-asset-grid.grid .cb-asset-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 12px 8px 8px;
    background: transparent;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.1s ease;
    user-select: none;
}

.cb-asset-grid.grid .cb-asset-item:hover {
    background: #2d2d30;
}

.cb-asset-grid.grid .cb-asset-item.selected {
    background: #094771;
    outline: 1px solid #3b82f6;
}

.cb-asset-grid.grid .cb-asset-thumbnail {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #1a1a1a;
    border: 1px solid #333;
    border-radius: 4px;
    margin-bottom: 8px;
}

.cb-asset-grid.grid .cb-asset-info {
    width: 100%;
    text-align: center;
}

.cb-asset-grid.grid .cb-asset-name {
    font-size: 11px;
    color: #e0e0e0;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    margin-bottom: 2px;
}

.cb-asset-grid.grid .cb-asset-type {
    font-size: 10px;
    color: #666;
}

/* Asset Item - List View */
.cb-asset-grid.list .cb-asset-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 12px;
    background: transparent;
    border-radius: 3px;
    cursor: pointer;
    transition: all 0.1s ease;
    user-select: none;
}

.cb-asset-grid.list .cb-asset-item:hover {
    background: #2d2d30;
}

.cb-asset-grid.list .cb-asset-item.selected {
    background: #094771;
}

.cb-asset-grid.list .cb-asset-thumbnail {
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.cb-asset-grid.list .cb-asset-info {
    flex: 1;
    display: flex;
    align-items: center;
    gap: 16px;
    min-width: 0;
}

.cb-asset-grid.list .cb-asset-name {
    flex: 1;
    font-size: 12px;
    color: #e0e0e0;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.cb-asset-grid.list .cb-asset-type {
    font-size: 11px;
    color: #666;
    white-space: nowrap;
}

/* Thumbnail Icons */
.asset-thumbnail-icon {
    color: #888;
}

.asset-thumbnail-icon.folder {
    color: #dcb67a;
}

.asset-thumbnail-icon.scene {
    color: #66bb6a;
}

.asset-thumbnail-icon.btree {
    color: #ab47bc;
}

.asset-thumbnail-icon.code {
    color: #42a5f5;
}

.asset-thumbnail-icon.json {
    color: #ffa726;
}

.asset-thumbnail-icon.image {
    color: #ec407a;
}

/* ==================== Status Bar ==================== */
.cb-status-bar {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 4px 12px;
    background: #252526;
    border-top: 1px solid #3c3c3c;
    font-size: 11px;
    color: #888;
}

.cb-status-selected {
    color: #3b82f6;
    font-weight: 500;
}

/* ==================== Dialogs ==================== */
.cb-dialog-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.cb-dialog {
    min-width: 350px;
    background: #2d2d30;
    border: 1px solid #3c3c3c;
    border-radius: 6px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
}

.cb-dialog-header {
    padding: 12px 16px;
    border-bottom: 1px solid #3c3c3c;
}

.cb-dialog-header h3 {
    margin: 0;
    font-size: 14px;
    font-weight: 600;
    color: #e0e0e0;
}

.cb-dialog-body {
    padding: 16px;
}

.cb-dialog-body input {
    width: 100%;
    padding: 8px 12px;
    background: #1e1e1e;
    border: 1px solid #3c3c3c;
    border-radius: 4px;
    color: #e0e0e0;
    font-size: 13px;
    outline: none;
}

.cb-dialog-body input:focus {
    border-color: #3b82f6;
}

.cb-dialog-body p {
    margin: 0;
    color: #ccc;
    font-size: 13px;
}

.cb-dialog-footer {
    display: flex;
    justify-content: flex-end;
    gap: 8px;
    padding: 12px 16px;
    border-top: 1px solid #3c3c3c;
}

.cb-btn {
    padding: 6px 16px;
    background: #3c3c3c;
    border: none;
    border-radius: 4px;
    color: #e0e0e0;
    font-size: 12px;
    cursor: pointer;
    transition: background 0.1s ease;
}

.cb-btn:hover {
    background: #4c4c4c;
}

.cb-btn.primary {
    background: #3b82f6;
    color: #fff;
}

.cb-btn.primary:hover {
    background: #2563eb;
}

.cb-btn.danger {
    background: #dc2626;
    color: #fff;
}

.cb-btn.danger:hover {
    background: #b91c1c;
}

/* ==================== Scrollbar ==================== */
.content-browser-left::-webkit-scrollbar,
.cb-folder-tree::-webkit-scrollbar,
.cb-asset-grid::-webkit-scrollbar {
    width: 8px;
}

.content-browser-left::-webkit-scrollbar-track,
.cb-folder-tree::-webkit-scrollbar-track,
.cb-asset-grid::-webkit-scrollbar-track {
    background: transparent;
}

.content-browser-left::-webkit-scrollbar-thumb,
.cb-folder-tree::-webkit-scrollbar-thumb,
.cb-asset-grid::-webkit-scrollbar-thumb {
    background: #424242;
    border-radius: 4px;
}

.content-browser-left::-webkit-scrollbar-thumb:hover,
.cb-folder-tree::-webkit-scrollbar-thumb:hover,
.cb-asset-grid::-webkit-scrollbar-thumb:hover {
    background: #4e4e4e;
}