#sidebar-right {
    width: 240px;
    background-color: var(--bg-surface);
    border-left: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    z-index: 5;
    box-shadow: -2px 0 8px rgba(0, 0, 0, 0.1);
}

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

.panel-title {
    font-size: 13px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-secondary);
}

.btn-icon {
    width: 28px;
    height: 28px;
    padding: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    background: transparent;
    color: var(--text-secondary);
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
}

.btn-icon:hover:not(:disabled) {
    background-color: var(--bg-elevated);
    color: var(--text-primary);
}

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

.layers-list {
    flex: 1;
    overflow-y: auto;
    padding: 8px;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.layer-item {
    display: flex;
    align-items: center;
    padding: 6px;
    background-color: transparent;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: background-color 0.1s;
    border: 1px solid transparent;
    user-select: none;
}

.layer-item:hover {
    background-color: var(--bg-elevated);
}

.layer-item.active {
    background-color: var(--bg-elevated);
    border-color: var(--border-light);
}

.layer-item.selected {
    background-color: var(--bg-elevated);
    border-color: var(--border-color);
}

/* Layer Context Menu */
#layer-context-menu {
    position: absolute;
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-lg);
    border-radius: var(--radius-sm);
    padding: 6px 0;
    min-width: 160px;
    z-index: 999999;
}

#layer-context-menu.hidden {
    display: none;
}

#layer-context-menu button {
    display: block;
    width: 100%;
    padding: 8px 16px;
    text-align: left;
    background: transparent;
    border: none;
    color: var(--text-primary);
    cursor: pointer;
    font-size: 13px;
}

#layer-context-menu button:hover:not(:disabled) {
    background-color: var(--accent);
    color: white;
}

#layer-context-menu button:disabled {
    color: var(--text-muted);
    cursor: not-allowed;
}

#layer-context-menu hr {
    border: none;
    border-top: 1px solid var(--border-color);
    margin: 4px 0;
}

.layer-thumb {
    width: 32px;
    height: 32px;
    background-image:
        linear-gradient(45deg, #1A1A23 25%, transparent 25%),
        linear-gradient(-45deg, #1A1A23 25%, transparent 25%),
        linear-gradient(45deg, transparent 75%, #1A1A23 75%),
        linear-gradient(-45deg, transparent 75%, #1A1A23 75%);
    background-size: 8px 8px;
    background-position: 0 0, 0 4px, 4px -4px, -4px 0px;
    border: 1px solid var(--border-color);
    border-radius: 2px;
    margin-right: 12px;
}

.layer-name {
    flex: 1;
    font-size: 13px;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}


.layers-panel {
    position: relative;
    min-width: 200px;
    max-width: 600px;
}

.panel-resizer {
    position: absolute;
    left: -3px;
    top: 0;
    bottom: 0;
    width: 6px;
    cursor: col-resize;
    z-index: 10;
}

.layer-item.hidden-layer .layer-thumb {
    opacity: 0.3;
}

.layer-name[contenteditable="true"] {
    background-color: var(--bg-dark);
    border-color: var(--accent);
    outline: none;
    cursor: text;
    padding: 2px 4px;
    border-radius: 2px;
}