.sidebar {
    width: var(--sidebar-width);
    background-color: var(--bg-panel);
    display: flex;
    flex-direction: column;
}

.left-sidebar {
    border-right: 1px solid var(--border-color);
    width: 54px;
    background-color: var(--bg-panel);
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='2' height='2'%3E%3Crect width='2' height='2' fill='transparent'/%3E%3Ccircle cx='1' cy='1' r='0.4' fill='%23ffffff' opacity='0.012'/%3E%3C/svg%3E");
}

.right-sidebar {
    display: flex;
    flex-direction: column;
    overflow: hidden;
    border-left: 1px solid var(--border-color);
}

.docker {
    border-bottom: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    flex-shrink: 0;
}

.right-sidebar .docker:nth-child(1) {
    flex: 0 0 auto;
}

.right-sidebar .docker:nth-child(2) {
    flex: 0 1 140px;
    min-height: 80px;
}

.right-sidebar .docker:nth-child(2) .docker-content {
    overflow-y: auto;
    flex: 1 1 0;
    padding: 8px;
}

.right-sidebar .docker:nth-child(3) {
    flex: 1 1 0;
    min-height: 120px;
}

.docker-title {
    background: linear-gradient(to right, var(--ink-dark), rgba(10, 9, 7, 0.7));
    padding: 5px 12px;
    font-size: 0.68rem;
    font-weight: 700;
    font-family: var(--font-ui);
    letter-spacing: 0.14em;
    text-transform: uppercase;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-secondary);
    position: relative;
    overflow: hidden;
}

.docker-title::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--accent-color);
}

.docker-content {
    padding: 10px;
    font-size: 0.82rem;
    color: var(--text-secondary);
}

.layer-toolbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 6px 8px;
    background: linear-gradient(to bottom, rgba(15, 13, 11, 0.9), rgba(10, 9, 7, 0.7));
    border-bottom: 1px solid var(--border-color);
    flex-shrink: 0;
    gap: 4px;
}

.layer-btn {
    background: none;
    border: 1px solid transparent;
    color: var(--text-secondary);
    cursor: pointer;
    border-radius: 2px;
    width: 26px;
    height: 26px;
    font-size: 0.9rem;
    font-family: var(--font-ui);
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.12s;
    letter-spacing: 0;
    flex-shrink: 0;
    position: relative;
}

.layer-btn:hover {
    background-color: rgba(var(--accent-rgb), 0.18);
    border-color: var(--accent-dim);
    color: var(--text-primary);
}

.layer-btn img {
    width: 13px;
    height: 13px;
    filter: invert(0.55) sepia(0.1);
    pointer-events: none;
    transition: filter 0.12s;
}

.layer-btn:hover img {
    filter: invert(0.85) sepia(0.15);
}

.layer-btn-delete:hover {
    border-color: var(--accent-color);
    background-color: rgba(var(--accent-rgb), 0.25);
}

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

.layer-opacity-container {
    display: flex;
    align-items: center;
    background-color: rgba(8, 7, 6, 0.5);
    padding: 5px 8px;
    font-size: 0.68rem;
    gap: 6px;
    border-bottom: 1px solid var(--border-color);
    flex-shrink: 0;
    font-family: var(--font-ui);
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

.layer-blend-select {
    background-color: var(--ink-dark);
    color: var(--text-accent);
    border: 1px solid var(--border-strong);
    border-radius: 1px;
    padding: 3px 5px;
    font-size: 0.64rem;
    font-family: var(--font-ui);
    letter-spacing: 0.05em;
    text-transform: uppercase;
    outline: none;
    max-width: 78px;
    cursor: pointer;
    transition: border-color 0.12s;
    appearance: none;
    -webkit-appearance: none;
}

.layer-blend-select:focus,
.layer-blend-select:hover {
    border-color: var(--accent-color);
    color: var(--text-primary);
}

.layer-opacity-track {
    flex: 1;
    position: relative;
    height: 3px;
    background: var(--border-strong);
    border-radius: 0;
    cursor: ew-resize;
}

#layer-opacity-slider {
    flex-grow: 1;
    cursor: ew-resize;
    accent-color: var(--accent-color);
    height: 3px;
}

#layer-opacity-label {
    min-width: 30px;
    text-align: right;
    font-variant-numeric: tabular-nums;
    font-family: var(--font-mono);
    font-size: 0.68rem;
    color: var(--text-accent);
    letter-spacing: 0;
}

#layers-list {
    flex: 1 1 0;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    padding: 0;
}

.layer-list-container {
    flex: 1 1 0;
    overflow-y: auto;
    overflow-x: hidden;
    display: flex;
    flex-direction: column;
}

.layer-item {
    display: flex;
    align-items: center;
    padding: 0 8px;
    height: 42px;
    min-height: 42px;
    flex-shrink: 0;
    cursor: pointer;
    border-bottom: 1px solid rgba(255, 255, 255, 0.03);
    gap: 8px;
    font-size: 0.75rem;
    font-family: var(--font-ui);
    letter-spacing: 0.04em;
    transition: background-color 0.1s, border-left-color 0.1s;
    color: var(--text-secondary);
    border-left: 2px solid transparent;
    position: relative;
}

.layer-item.active {
    background: linear-gradient(to right, rgba(var(--accent-rgb), 0.14), rgba(var(--accent-rgb), 0.04));
    border-left-color: var(--accent-color);
    color: var(--text-primary);
}

.layer-item:hover:not(.active) {
    background-color: rgba(255, 255, 255, 0.035);
    color: var(--text-accent);
}

.layer-info {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 2px;
    min-width: 0;
}

.layer-name {
    user-select: none;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    font-size: 0.75rem;
    font-family: var(--font-ui);
    letter-spacing: 0.04em;
    line-height: 1;
}

.layer-meta {
    font-size: 0.6rem;
    font-family: var(--font-mono);
    color: var(--text-secondary);
    letter-spacing: 0.02em;
    opacity: 0.7;
}

.layer-icons {
    display: flex;
    gap: 3px;
    flex-shrink: 0;
}

.layer-icon {
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    user-select: none;
    width: 18px;
    height: 18px;
    border-radius: 2px;
    transition: background 0.1s, opacity 0.1s;
    opacity: 0.4;
}

.layer-icon.active-icon {
    opacity: 1;
}

.layer-icon img {
    width: 12px;
    height: 12px;
    filter: invert(0.7);
    pointer-events: none;
}

.layer-icon:hover {
    opacity: 1;
    background: rgba(255, 255, 255, 0.08);
}

.layer-icon:hover img {
    filter: invert(0.95);
}

.layer-rename-input {
    flex-grow: 1;
    background-color: var(--ink-dark);
    color: var(--text-primary);
    border: 1px solid var(--accent-color);
    border-radius: 1px;
    padding: 2px 6px;
    font-family: var(--font-ui);
    font-size: 0.75rem;
    outline: none;
    width: 100%;
    letter-spacing: 0.04em;
}

.layer-context-menu {
    position: fixed;
    background-color: var(--bg-panel);
    border: 1px solid var(--border-strong);
    border-top: 2px solid var(--accent-color);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.8), 4px 4px 0 rgba(0, 0, 0, 0.4);
    border-radius: 0;
    padding: 4px 0;
    z-index: 9999;
    min-width: 160px;
}

.layer-context-menu-item {
    padding: 6px 14px;
    font-size: 0.72rem;
    font-family: var(--font-ui);
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    cursor: pointer;
    color: var(--text-accent);
    transition: all 0.1s;
}

.layer-context-menu-item:hover {
    background-color: var(--accent-color);
    color: var(--text-primary);
    padding-left: 18px;
}

.layer-context-menu-separator {
    height: 1px;
    background: var(--border-color);
    margin: 3px 0;
}

.layer-drag-handle {
    color: var(--border-strong);
    font-size: 0.7rem;
    cursor: grab;
    user-select: none;
    letter-spacing: -2px;
    padding: 0 2px;
    flex-shrink: 0;
    line-height: 1;
    transition: color 0.1s;
}

.layer-drag-handle:hover {
    color: var(--text-secondary);
}

.layer-item.layer-dragging {
    opacity: 0.4;
    background: rgba(var(--accent-rgb), 0.08);
}

.layer-item.layer-drop-over {
    border-top: 2px solid var(--accent-color);
}

.layer-list-container.layer-drop-after {
    box-shadow: inset 0 -2px 0 var(--accent-color);
}

.layer-list-container::-webkit-scrollbar,
.docker-content::-webkit-scrollbar {
    width: 4px;
}

.layer-list-container::-webkit-scrollbar-track,
.docker-content::-webkit-scrollbar-track {
    background: var(--ink-dark);
}

.layer-list-container::-webkit-scrollbar-thumb,
.docker-content::-webkit-scrollbar-thumb {
    background: var(--border-strong);
    border-radius: 0;
}

.layer-list-container::-webkit-scrollbar-thumb:hover,
.docker-content::-webkit-scrollbar-thumb:hover {
    background: var(--accent-dim);
}