esengine/packages/tilemap/src/editor/styles/TilemapEditor.css

/* Tilemap Editor Styles */

.tilemap-editor-panel {
    display: flex;
    flex-direction: column;
    height: 100%;
    background: var(--panel-bg, #1e1e1e);
    color: var(--text-primary, #e0e0e0);
}

.tilemap-editor-toolbar {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px;
    border-bottom: 1px solid var(--border-color, #3c3c3c);
    background: var(--toolbar-bg, #252526);
}

.tilemap-editor-toolbar .tool-group {
    display: flex;
    gap: 2px;
}

.tilemap-editor-toolbar .tool-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    border: none;
    border-radius: 4px;
    background: transparent;
    color: var(--text-secondary, #999);
    cursor: pointer;
    transition: all 0.15s ease;
}

.tilemap-editor-toolbar .tool-btn:hover {
    background: var(--hover-bg, #3c3c3c);
    color: var(--text-primary, #e0e0e0);
}

.tilemap-editor-toolbar .tool-btn.active {
    background: var(--accent-color, #0078d4);
    color: white;
}

.tilemap-editor-toolbar .separator {
    width: 1px;
    height: 20px;
    background: var(--border-color, #3c3c3c);
    margin: 0 4px;
}

.tilemap-editor-toolbar .zoom-control {
    display: flex;
    align-items: center;
    gap: 4px;
    margin-left: auto;
}

.tilemap-editor-toolbar .zoom-control span {
    font-size: 12px;
    min-width: 40px;
    text-align: center;
}

/* Main content layout */
.tilemap-editor-content {
    display: flex;
    flex: 1;
    overflow: hidden;
}

.tilemap-canvas-container {
    flex: 1;
    overflow: hidden;
    position: relative;
}

.tilemap-canvas {
    position: absolute;
    top: 0;
    left: 0;
}

/* Sidebar */
.tilemap-editor-sidebar {
    position: relative;
    width: 220px;
    display: flex;
    flex-direction: column;
    border-left: 1px solid var(--border-color, #3c3c3c);
    background: var(--panel-bg, #1e1e1e);
    overflow-y: auto;
}

.sidebar-resize-handle {
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 4px;
    cursor: ew-resize;
    background: transparent;
    transition: background 0.15s ease;
    z-index: 10;
}

.sidebar-resize-handle:hover,
.sidebar-resize-handle.active {
    background: var(--accent-color, #0078d4);
}

/* Section styles */
.tileset-section {
    display: flex;
    flex-direction: column;
    border-bottom: 1px solid var(--border-color, #3c3c3c);
}

.section-header {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 8px;
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
    user-select: none;
}

.section-header:hover {
    background: var(--hover-bg, #2a2a2a);
}

.section-header span {
    flex: 1;
}

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

.section-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 20px;
    height: 20px;
    border: none;
    border-radius: 3px;
    background: transparent;
    color: var(--text-secondary, #999);
    cursor: pointer;
}

.section-btn:hover {
    background: var(--hover-bg, #3c3c3c);
    color: var(--text-primary, #e0e0e0);
}

.tileset-content {
    padding: 8px;
    overflow: auto;
}

.tileset-info {
    padding: 4px 0;
    font-size: 11px;
    color: var(--text-secondary, #999);
    text-align: center;
}

.tileset-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    padding: 16px;
    color: var(--text-secondary, #999);
    font-size: 12px;
}

.tileset-empty button {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 6px 12px;
    border: none;
    border-radius: 4px;
    background: var(--accent-color, #0078d4);
    color: white;
    font-size: 12px;
    cursor: pointer;
}

.tileset-empty button:hover {
    background: var(--accent-hover, #106ebe);
}

.tileset-empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    gap: 8px;
    color: var(--text-secondary, #999);
    font-size: 12px;
}

.tileset-empty-state button {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 6px 12px;
    border: none;
    border-radius: 4px;
    background: var(--accent-color, #0078d4);
    color: white;
    font-size: 12px;
    cursor: pointer;
}

.tileset-empty-state button:hover {
    background: var(--accent-hover, #106ebe);
}

/* Sidebar toggle button */
.sidebar-toggle {
    position: absolute;
    top: 8px;
    right: 8px;
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    border: none;
    border-radius: 4px;
    background: var(--toolbar-bg, #252526);
    color: var(--text-secondary, #999);
    cursor: pointer;
    transition: all 0.15s ease;
}

.sidebar-toggle:hover {
    background: var(--hover-bg, #3c3c3c);
    color: var(--text-primary, #e0e0e0);
}

/* Resize handle */
.resize-handle {
    height: 4px;
    cursor: ns-resize;
    background: transparent;
    transition: background 0.15s ease;
}

.resize-handle:hover,
.resize-handle.active {
    background: var(--accent-color, #0078d4);
}

/* Tileset Panel */
.tileset-panel {
    display: flex;
    flex-direction: column;
    height: 100%;
    background: var(--panel-bg, #1e1e1e);
}

.tileset-panel-header {
    padding: 8px;
    border-bottom: 1px solid var(--border-color, #3c3c3c);
}

.tileset-panel-header h3 {
    margin: 0;
    font-size: 12px;
    font-weight: 600;
    color: var(--text-primary, #e0e0e0);
}

.tileset-canvas-container {
    flex: 1;
    overflow: auto;
    padding: 8px;
}

.tileset-canvas {
    cursor: crosshair;
    image-rendering: pixelated;
}

.tileset-empty {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100%;
    color: var(--text-secondary, #999);
    font-size: 12px;
    text-align: center;
    padding: 16px;
}

/* Info bar */
.tilemap-info-bar {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 4px 8px;
    font-size: 11px;
    color: var(--text-secondary, #999);
    background: var(--toolbar-bg, #252526);
    border-top: 1px solid var(--border-color, #3c3c3c);
}

.tilemap-info-bar span {
    display: flex;
    align-items: center;
    gap: 4px;
}

/* Empty state */
.tilemap-editor-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    color: var(--text-secondary, #999);
    text-align: center;
    padding: 32px;
}

.tilemap-editor-empty svg {
    margin-bottom: 16px;
    opacity: 0.5;
}

.tilemap-editor-empty h3 {
    margin: 0 0 8px;
    font-size: 14px;
    color: var(--text-primary, #e0e0e0);
}

.tilemap-editor-empty p {
    margin: 0;
    font-size: 12px;
}

/* Layer Panel */
.layer-panel {
    display: flex;
    flex-direction: column;
    background: var(--panel-bg, #1e1e1e);
    border-top: 1px solid var(--border-color, #3c3c3c);
}

.layer-panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px;
    font-size: 12px;
    font-weight: 600;
    border-bottom: 1px solid var(--border-color, #3c3c3c);
}

.layer-panel-actions {
    display: flex;
    gap: 4px;
}

.layer-panel-empty {
    padding: 16px;
    text-align: center;
    color: var(--text-secondary, #999);
    font-size: 12px;
}

.layer-list {
    flex: 1;
    overflow-y: auto;
    max-height: 200px;
}

.layer-item {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 6px 8px;
    cursor: pointer;
    border-bottom: 1px solid var(--border-color, #2d2d2d);
    transition: background 0.15s ease;
}

.layer-item:hover {
    background: var(--hover-bg, #2a2a2a);
}

.layer-item.selected {
    background: var(--selection-bg, #094771);
}

.layer-item.locked {
    opacity: 0.6;
}

.layer-controls {
    display: flex;
    gap: 2px;
}

.layer-info {
    flex: 1;
    min-width: 0;
    display: flex;
    align-items: center;
    gap: 6px;
}

.layer-active-indicator {
    display: inline-flex;
    align-items: center;
    color: var(--accent-color, #0078d4);
    flex-shrink: 0;
}

.layer-name {
    display: block;
    font-size: 12px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.layer-name-input {
    width: 100%;
    padding: 2px 4px;
    font-size: 12px;
    border: 1px solid var(--accent-color, #0078d4);
    border-radius: 2px;
    background: var(--input-bg, #3c3c3c);
    color: var(--text-primary, #e0e0e0);
    outline: none;
}

.layer-actions {
    display: flex;
    gap: 2px;
    opacity: 0;
    transition: opacity 0.15s ease;
}

.layer-item:hover .layer-actions {
    opacity: 1;
}

.layer-opacity-control {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px;
    border-top: 1px solid var(--border-color, #3c3c3c);
    font-size: 11px;
}

.layer-opacity-control label {
    color: var(--text-secondary, #999);
    white-space: nowrap;
    min-width: 50px;
}

.layer-opacity-control input[type="range"] {
    flex: 1;
    height: 4px;
    min-width: 60px;
}

.layer-opacity-control span {
    min-width: 32px;
    text-align: right;
    color: var(--text-secondary, #999);
    white-space: nowrap;
}

/* Icon buttons */
.icon-button {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    border: none;
    border-radius: 4px;
    background: transparent;
    color: var(--text-secondary, #999);
    cursor: pointer;
    transition: all 0.15s ease;
}

.icon-button:hover {
    background: var(--hover-bg, #3c3c3c);
    color: var(--text-primary, #e0e0e0);
}

.icon-button:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

.icon-button.small {
    width: 20px;
    height: 20px;
}

.icon-button.danger:hover {
    background: var(--error-bg, #5a1d1d);
    color: var(--error-color, #f48771);
}

/* Asset Picker Dialog */
.asset-picker-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;
}

.asset-picker-dialog {
    width: 500px;
    max-height: 600px;
    background: var(--panel-bg, #1e1e1e);
    border: 1px solid var(--border-color, #3c3c3c);
    border-radius: 6px;
    display: flex;
    flex-direction: column;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
}

.asset-picker-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    border-bottom: 1px solid var(--border-color, #3c3c3c);
}

.asset-picker-header h3 {
    margin: 0;
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary, #e0e0e0);
}

.asset-picker-close {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    border: none;
    border-radius: 4px;
    background: transparent;
    color: var(--text-secondary, #999);
    cursor: pointer;
}

.asset-picker-close:hover {
    background: var(--hover-bg, #3c3c3c);
    color: var(--text-primary, #e0e0e0);
}

.asset-picker-search {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    border-bottom: 1px solid var(--border-color, #3c3c3c);
}

.asset-picker-search input {
    flex: 1;
    border: none;
    background: transparent;
    color: var(--text-primary, #e0e0e0);
    font-size: 13px;
    outline: none;
}

.asset-picker-search input::placeholder {
    color: var(--text-secondary, #999);
}

.asset-picker-content {
    flex: 1;
    overflow-y: auto;
    min-height: 300px;
    max-height: 400px;
}

.asset-picker-tree {
    padding: 8px;
}

.asset-picker-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 8px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 13px;
    color: var(--text-primary, #e0e0e0);
}

.asset-picker-item:hover {
    background: var(--hover-bg, #2a2a2a);
}

.asset-picker-item.selected {
    background: var(--selection-bg, #094771);
}

.asset-picker-item-icon {
    display: flex;
    align-items: center;
    color: var(--text-secondary, #999);
}

.asset-picker-item-name {
    flex: 1;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.asset-picker-loading,
.asset-picker-empty {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100%;
    color: var(--text-secondary, #999);
    font-size: 13px;
}

.asset-picker-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    border-top: 1px solid var(--border-color, #3c3c3c);
}

.asset-picker-selected {
    flex: 1;
    font-size: 12px;
    color: var(--text-secondary, #999);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.asset-picker-selected .placeholder {
    font-style: italic;
}

.asset-picker-actions {
    display: flex;
    gap: 8px;
}

.asset-picker-actions button {
    padding: 6px 12px;
    border: none;
    border-radius: 4px;
    font-size: 12px;
    cursor: pointer;
}

.asset-picker-actions .btn-cancel {
    background: var(--hover-bg, #3c3c3c);
    color: var(--text-primary, #e0e0e0);
}

.asset-picker-actions .btn-cancel:hover {
    background: var(--border-color, #4c4c4c);
}

.asset-picker-actions .btn-confirm {
    background: var(--accent-color, #0078d4);
    color: white;
}

.asset-picker-actions .btn-confirm:hover:not(:disabled) {
    background: var(--accent-hover, #106ebe);
}

.asset-picker-actions .btn-confirm:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Image Preview Tooltip */
.asset-picker-preview {
    position: fixed;
    z-index: 1001;
    background: var(--panel-bg, #1e1e1e);
    border: 1px solid var(--border-color, #3c3c3c);
    border-radius: 4px;
    padding: 8px;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.4);
    pointer-events: none;
    min-width: 100px;
    min-height: 100px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.asset-picker-preview img {
    display: block;
    max-width: 150px;
    max-height: 150px;
    width: auto;
    height: auto;
    image-rendering: pixelated;
}