/* =========================================
   全局主题变量 (Theme Variables)
   ========================================= */
/* 亮色模式 (Light Mode - Default) */
:root, [data-theme="light"] {
    /* --- 基础 UI 变量 --- */
    --ui-bg-base: #f8fafc;
    --ui-bg-panel: #ffffff;
    --ui-bg-overlay: rgba(255, 255, 255, 0.95);
    --ui-text-main: #334155;
    --ui-text-strong: #0f172a;
    --ui-text-muted: #64748b;
    --ui-border: #e2e8f0;
    --ui-border-light: #cbd5e1;
    --ui-hover-bg: #f1f5f9;
    --ui-accent: #0284c7; 
    --ui-accent-hover: #0ea5e9;
    --ui-accent-bg: #e6f3fa;       
    --ui-accent-bg-hover: #cce7f5;
    --ui-accent-text: #0284c7;
    --ui-active-bg: #e2e8f0;
    
    --ui-divider: rgba(0, 0, 0, 0.06);
    --ui-bg-placeholder: #f8fafc;
    /* --- Canvas 渲染颜色变量 --- */
    --cvs-path-stroke: #808080;            /* 骨架描边：中间值灰色 */
    --cvs-path-fill: #000000;              /* 路径填充：纯黑 */
    --cvs-ctrl-ahead: rgba(37, 99, 235, 0.9);
    --cvs-ctrl-back: rgba(225, 29, 72, 0.9);
    --cvs-preview: rgba(16, 185, 129, 0.8);
    
    /* 节点：恢复半透明感 (0.6) */
    --cvs-oncurve-stroke: rgba(2, 132, 199, 1); 
    --cvs-oncurve-fill: rgba(2, 132, 199, 0.6);
    --cvs-ctrl-stroke: rgba(14, 165, 233, 1); 
    --cvs-ctrl-fill: rgba(14, 165, 233, 0.6);
    
    --cvs-selected-fill: rgba(250, 204, 21, 0.5);
    --cvs-selected-stroke: rgba(202, 138, 4, 1);
    --cvs-hover-stroke: rgba(2, 132, 199, 1);
    
    --cvs-body-bg: rgba(255, 255, 255, 1);
    --cvs-canvas-base: #f1f5f9;
    
    --cvs-ruler-text: #64748b;
    --cvs-ruler-line: #cbd5e1;
    --cvs-guideline: rgba(249, 115, 22, 0.8);
    --cvs-measure: #ef4444;
    --cvs-measure-text-bg: rgba(255, 255, 255, 0.9);
    
    --cvs-select-box: rgba(14, 165, 233, 0.4);
    --cvs-select-handle-fill: #ffffff;
    --cvs-select-handle-stroke: #0284c7;
    --cvs-marquee-stroke: #0ea5e9;
    --cvs-marquee-fill: rgba(14, 165, 233, 0.08);
    --cvs-divider-line: rgba(0, 0, 0, 0.15);
    --cvs-grid-dot: #bcc8d8;
    --cvs-char-preview-color: rgba(160, 160, 160, 0.3);
    --cvs-guide-stroke: rgba(2, 132, 199, 0.6);
    --cvs-guide-fill: rgba(2, 132, 199, 0.4);
    --cvs-guide-hover-stroke: rgba(250, 204, 21, 0.8);
    --cvs-guide-hover-fill: rgba(250, 204, 21, 0.6);
    --cvs-guide-drag-stroke: rgba(250, 204, 21, 0.7);
    --cvs-guide-drag-fill: rgba(250, 204, 21, 0.5);
    --cvs-divider-highlight: rgba(250, 204, 21, 0.8);
    --cvs-metric-guide: rgba(128, 128, 128, 0.4);
    --cvs-metric-label: #999999;
    --cvs-measure-hover: #facc15;
    --cvs-preview-fallback: rgba(128, 128, 128, 0.4);
    --cvs-boolean-fill: #000000;
}
/* 暗色模式 (Dark Mode) 也同步优化 */
[data-theme="dark"] {
    --ui-bg-base: #18181b;
    --ui-bg-panel: #27272a;
    --ui-bg-overlay: rgba(39, 39, 42, 0.95);
    --ui-text-main: #e4e4e7;
    --ui-text-strong: #ffffff;
    --ui-text-muted: #a1a1aa;
    --ui-border: #3f3f46;
    --ui-border-light: #52525b;
    --ui-hover-bg: #323235;        /* 替代 rgba(255, 255, 255, 0.08) */
    --ui-active-bg: #414144;       /* 替代 rgba(255, 255, 255, 0.15) */
    --ui-accent: #3b82f6; 
    --ui-accent-hover: #60a5fa;
    --ui-accent-bg: #273752;       /* 替代 rgba(59, 130, 246, 0.15) */
    --ui-accent-bg-hover: #2f456c; /* 替代 rgba(59, 130, 246, 0.3) */
    --ui-accent-text: #ffffff;
    
    --ui-divider: rgba(255, 255, 255, 0.1);
    --ui-bg-placeholder: #202023;
    --cvs-path-stroke: #a1a1aa; 
    --cvs-path-fill: #f8fafc;
    --cvs-ctrl-ahead: rgba(96, 165, 250, 0.9);
    --cvs-ctrl-back: rgba(251, 113, 133, 0.9);
    --cvs-preview: rgba(52, 211, 153, 0.9);
    
    --cvs-oncurve-stroke: rgba(56, 189, 248, 1);
    --cvs-oncurve-fill: rgba(56, 189, 248, 0.6);
    --cvs-ctrl-stroke: rgba(125, 211, 252, 1);
    --cvs-ctrl-fill: rgba(125, 211, 252, 0.6);
    
    --cvs-selected-fill: rgba(253, 224, 71, 0.3);
    --cvs-selected-stroke: rgba(250, 204, 21, 1);
    --cvs-hover-stroke: rgba(56, 189, 248, 1);
    
    --cvs-body-bg: #1e1e1e;
    --cvs-canvas-base: #252526;
    
    --cvs-ruler-text: #888888;
    --cvs-ruler-line: #555555;
    --cvs-guideline: rgba(255, 150, 50, 0.8);
    --cvs-measure: #ff6b6b;
    --cvs-measure-text-bg: rgba(40, 40, 40, 0.85);
    
    --cvs-select-box: rgba(13, 153, 255, 0.6);
    --cvs-select-handle-fill: #333333;
    --cvs-select-handle-stroke: #38bdf8;
    --cvs-marquee-stroke: #38bdf8;
    --cvs-marquee-fill: rgba(13, 153, 255, 0.15);
    --cvs-divider-line: rgba(255, 255, 255, 0.2);
    --cvs-grid-dot: #52525b;
    --cvs-char-preview-color: rgba(160, 160, 160, 0.3);
    --cvs-guide-stroke: rgba(56, 189, 248, 0.7);
    --cvs-guide-fill: rgba(56, 189, 248, 0.4);
    --cvs-guide-hover-stroke: rgba(250, 204, 21, 0.9);
    --cvs-guide-hover-fill: rgba(250, 204, 21, 0.7);
    --cvs-guide-drag-stroke: rgba(250, 204, 21, 0.8);
    --cvs-guide-drag-fill: rgba(250, 204, 21, 0.6);
    --cvs-divider-highlight: rgba(250, 204, 21, 0.9);
    --cvs-metric-guide: rgba(180, 180, 180, 0.4);
    --cvs-metric-label: #bbbbbb;
    --cvs-measure-hover: #fde047;
    --cvs-preview-fallback: rgba(128, 128, 128, 0.4);
    --cvs-boolean-fill: #f8fafc;
}
/* =========================================
   提取的基础 UI 样式类
   ========================================= */
.brand_title {
    font-weight: bold;
}
.tool_button img {
    width: 14px;
    height: 14px;
    pointer-events: none;
    -webkit-user-drag: none;
    user-select: none;
}
#mouse_pos {
    margin-left: auto;
    margin-right: 12px;
    padding: 4px 2px;
    font-size: 13px;
    color: var(--ui-text-muted);
    font-family: ui-monospace, monospace;
}
/* 工具栏悬浮提示（body 层，避免被 overflow:auto 裁剪） */
.toolbar-tooltip {
    position: fixed;
    font-size: 12px;
    padding: 3px 8px;
    border-radius: 6px;
    border: 1px solid rgba(255,255,255,0.1);
    color: #ffffff;
    background: rgba(15, 23, 42, 0.85);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    white-space: nowrap;
    pointer-events: none;
    z-index: 1000;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}
.core_canvas {
    position: absolute;
    top: 0;
    left: 0;
    display: block;
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
main-canvas {
    display: block;
    width: 100%;
    height: 100%;
}
.prop_panel_title_wrapper {
    padding: 5px 6px 9px 6px;
    flex-shrink: 0;
    z-index: 1;
    background: var(--ui-bg-placeholder);
}
.prop_panel_container {
    padding: 8px 6px 0 6px;
}
.prop_panel_container.is_empty {
    padding: 12px 6px 0 6px;
}
.prop_node_count {
    padding: 10px;
    color: var(--ui-text-muted);
    font-style: italic;
    text-align: center;
}
.prop_divider {
    margin: 12px 10px;
    border-top: 1px dashed var(--ui-border-light);
}
html, body {
    margin: 0;
    padding: 0;
    height: 100%;
    font-family: system-ui, sans-serif;
    display: flex;
    flex-direction: column;
    background-color: var(--ui-bg-base);
    color: var(--ui-text-main);
    user-select: none;
}
div, span, label, p, button {
    white-space: nowrap !important;
}
.tree_label, .panel_title, .property_single_row label {
    overflow-x: hidden;
    overflow-y: visible;
    text-overflow: ellipsis;
}
.top {
    display: flex;
    font-size: 13px;
    color: var(--ui-text-main);
    background-color: var(--ui-bg-panel);
    border-bottom: 1px solid var(--ui-border);
    align-items: center;
}
.item {
    padding: 2px 12px 4px 12px;
    border-radius: 8px;
    border: 1px solid transparent;
    cursor: pointer;
    color: var(--ui-text-main);
    transition: background-color 0.15s, color 0.15s;
}
.tool_button {
    padding: 2px 8px;
    border-radius: 8px;
    border: 1px solid transparent;
    cursor: pointer;
    position: relative;
    z-index: 300;
    color: var(--ui-text-main);
    transition: background-color 0.15s, color 0.15s;
}
.tool_button::after {
    content: attr(data-tip);
    position: absolute;
    left: 0%;
    top: calc(100% + 4px);
    font-size: 12px;
    padding: 3px 8px;
    border-radius: 6px;
    border: 1px solid rgba(255,255,255,0.1);
    color: #ffffff;
    background: rgba(15, 23, 42, 0.85); 
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    white-space: nowrap;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.15s ease;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    z-index: 1000;
}
.tool_button:hover::after {
    opacity: 1;
}
.tool_button.active-tool {
    background-color: var(--ui-accent-bg);
    color: var(--ui-accent);
}
.item:hover, .tool_button:hover {
    background-color: var(--ui-hover-bg);
    color: var(--ui-text-strong);
}
.item:active, .tool_button:active {
    background-color: var(--ui-active-bg);
}
.item.active {
    background-color: var(--ui-active-bg);
    color: var(--ui-text-strong);
}
.canvas-wrap {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-width: 0;
    border: none;
    border-radius: 0;
    background-color: var(--ui-bg-panel);
}
.canvas-body {
    flex: 1;
    display: flex;
    flex-direction: row;
    min-height: 0;
    position: relative;
    padding-left: 28px;
}
glyph-sequence-bar {
    display: block;
    flex-shrink: 0;
    height: 26px;
    background: var(--ui-bg-panel);
    border-bottom: 1px solid var(--ui-border);
    border-radius: 0;
    position: relative;
    overflow: hidden;
    cursor: pointer;
}
.seq-bar-track {
    position: relative;
    height: 100%;
    overflow: hidden;
}
.seq-bar-pos {
    position: absolute;
    top: 0;
    height: 26px;
    display: flex;
    align-items: center;
    gap: 2px;
    padding: 0;
    overflow: hidden;
}
.seq-bar-rm-btn,
.seq-bar-ins-btn,
.seq-bar-add-btn,
.seq-bar-action-btn {
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    background: transparent;
    border: 1px dashed var(--ui-border-light);
    border-radius: 4px;
    color: var(--ui-text-muted);
    padding: 0;
    flex-shrink: 0;
    box-sizing: border-box;
    transition: all 0.15s;
}
.seq-bar-rm-btn:hover {
    background: #f43f5e; /* 原为 #e11d48 */
    border-color: #f43f5e;
    color: #fff;
}
.seq-bar-ins-btn:hover,
.seq-bar-add-btn:hover,
.seq-bar-action-btn:hover {
    background: var(--ui-hover-bg);
    color: var(--ui-text-strong);
}
.seq-bar-action-btn.is-active {
    border-color: var(--ui-accent);
    color: var(--ui-accent);
}
.seq-bar-rm-btn svg,
.seq-bar-ins-btn svg,
.seq-bar-add-btn svg,
.seq-bar-action-btn svg {
    width: 12px;
    height: 12px;
    fill: currentColor;
}
.seq-bar-action-btn img {
    width: 12px;
    height: 12px;
    pointer-events: none;
}
.seq-bar-ellipsis {
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    background: var(--ui-accent-bg);
    border: 1px solid var(--ui-accent-bg);
    border-radius: 4px;
    color: var(--ui-text-main);
    font-size: 12px;
    font-weight: 600;
    line-height: 1;
    flex-shrink: 0;
    box-sizing: border-box;
}
.seq-bar-ellipsis:hover {
    background: var(--ui-accent-bg-hover);
    border-color: var(--ui-accent-bg-hover);
}
.seq-bar-popup {
    position: fixed;
    display: flex;
    align-items: center;
    gap: 2px;
    padding: 0;
    background: var(--ui-bg-panel);
    border: 1px solid var(--ui-border);
    border-radius: 6px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.3);
    z-index: 1000;
}

.seq-bar-name, .seq-bar-code {
    height: 20px;
    min-width: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 4px;
    border-radius: 4px;
    font-size: 10px;
    font-family: ui-monospace, monospace;
    white-space: nowrap;
    box-sizing: border-box;
    pointer-events: none;
}
.seq-bar-name {
    font-weight: 500;
    background: #6366f1; /* 原为 #8b5cf6，改为稍微内敛的靛蓝 */
    border-color: #6366f1;
    color: #fff;
}
.seq-bar-pos .seq-bar-code,
.seq-bar-popup .seq-bar-code {
    background: #14b8a6 !important; /* 原为 #0d9488，改为更柔和的青灰绿 */
    border-color: #14b8a6 !important;
    color: #fff !important;
}
.seq-bar-pos .seq-bar-code.seq-bar-code-missing,
.seq-bar-popup .seq-bar-code.seq-bar-code-missing {
    background: #f43f5e !important; /* 原为 #e11d48，改为玫瑰红 */
    border-color: #f43f5e !important;
    color: #fff !important;
}
.seq-bar-pos.active .seq-bar-name {
    background: #4f46e5; /* 原为 #7c3aed，加深一档的靛蓝 */
    border-color: #4f46e5;
    color: #fff;
}
.seq-bar-add-btn {
    position: absolute;
    top: 3px;
    width: auto;
    height: 20px;
    padding: 1px 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    background: transparent;
    border: 1px dashed var(--ui-border-light);
    border-radius: 4px;
    color: var(--ui-text-muted);
    box-sizing: border-box;
    flex-shrink: 0;
    transition: all 0.15s;
}
.seq-bar-add-btn:hover {
    background: var(--ui-hover-bg);
    border-color: var(--ui-border-light);
    color: var(--ui-text-strong);
}
.seq-bar-add-label {
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 4px;
    font-size: 10px;
    font-family: ui-monospace, monospace;
    font-weight: 500;
    white-space: nowrap;
    box-sizing: border-box;
    pointer-events: none;
    color: #000000;
}
.seq-bar-ins-last-btn {
    width: auto;
    height: 20px;
    padding: 1px 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    background: transparent;
    border: 1px dashed var(--ui-border-light);
    border-radius: 4px;
    color: var(--ui-text-muted);
    box-sizing: border-box;
    flex-shrink: 0;
    transition: all 0.15s;
}
.seq-bar-ins-last-btn:hover {
    background: var(--ui-hover-bg);
    border-color: var(--ui-border-light);
    color: var(--ui-text-strong);
}
.seq-bar-ins-last-label {
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 4px;
    font-size: 10px;
    font-family: ui-monospace, monospace;
    font-weight: 500;
    white-space: nowrap;
    box-sizing: border-box;
    pointer-events: none;
    color: #000000;
}
.toolbar {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 0;
    width: 28px;
    position: absolute;
    top: 0;
    left: 0;
    bottom: 0;
    border-right: 1px solid var(--ui-border);
    border-radius: 0;
    background: var(--ui-bg-panel);
    overflow-y: auto;
    scrollbar-width: none;
    box-sizing: border-box;
}
.toolbar::-webkit-scrollbar {
    display: none;
}
.toolbar .tool_button {
    width: 28px;
    height: 28px;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}
.toolbar .tool_button::after {
    left: calc(100% + 8px);
    top: 0;
}
.toolbar .tool_separator {
    margin: 1px 4px;
    border-left: none;
    border-top: 1px dashed var(--ui-border-light);
    width: calc(100% - 8px);
    height: 0;
    align-self: center;
    flex-shrink: 0;
}
.tool_separator {
    margin: 4px 6px;
    border-left: 1px dashed var(--ui-border-light);
    align-self: stretch;
}
.middle {
    flex: 1;
    display: flex;
    padding: 0;
    gap: 0;
    overflow: hidden;
}
.right {
    /* border provided by .dock-container below */
}
.left {
    flex: 1;
    min-width: 200px;
    overflow: hidden;
    border-radius: 0;
}
.right.dock-container {
    flex: 1;
    min-width: 200px;
    overflow: hidden;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 0;
    box-sizing: border-box;
}
.dock-split {
    display: flex;
    flex: 1;
    min-height: 0;
    min-width: 0;
    overflow: hidden;
}
.dock-split-v {
    flex-direction: column;
}
.dock-split-h {
    flex-direction: row;
}
.dock-leaf {
    display: flex;
    flex-direction: column;
    min-height: 0;
    min-width: 0;
    overflow: hidden;
    border: none;
    border-radius: 0;
    background: var(--ui-bg-placeholder);
}
.dock-tabs {
    display: flex;
    flex-direction: column;
    flex: 1;
    min-height: 0;
    min-width: 0;
    overflow: hidden;
    border: none;
    border-radius: 0;
    background: var(--ui-bg-placeholder);
}
.dock-content > object-tree,
.dock-content > .placeholder,
.dock-content > logger-panel,
.dock-content > .canvas-wrap,
.dock-content .placeholder {
    border: none !important;
    border-radius: 0 !important;
    background: transparent !important;
}
.dock-tab-bar {
    display: flex;
    gap: 0;
    padding: 4px 6px 3px 6px;
    flex-shrink: 0;
    position: sticky;
    top: 0;
    z-index: 1;
    background: var(--ui-bg-placeholder);
    border-radius: 0;
}
.dock-tab {
    font-size: 13px;
    font-weight: 600;
    line-height: 16px;
    padding: 4px 10px 5px 10px;
    cursor: pointer;
    color: var(--ui-text-muted);
    background: transparent;
    user-select: none;
    letter-spacing: 0.2px;
    border-radius: 4px 4px 0 0;
    transition: color 0.12s;
}
.dock-tab.active {
    color: var(--ui-text-main);
    background: transparent;
    position: relative;
}
.dock-tab.active::after {
    content: '';
    position: absolute;
    bottom: -3px;
    left: 0;
    right: 0;
    height: 3px;
    background: #60a5fa;
    border-radius: 0 0 2px 2px;
}
.dock-tab:hover:not(.active) {
    color: var(--ui-text-main);
    background: var(--ui-hover-bg);
}
.dock-tabs .dock-leaf .title_panel,
.dock-tabs .dock-leaf .prop_panel_title_wrapper {
    display: none;
}
.dock-tabs > .dock-leaf:not(.dock-hidden) {
    flex: 1;
    min-height: 0;
}
.dock-tabs > .dock-leaf {
    border: none;
    border-radius: 0;
    background: transparent;
}
.dock-hidden {
    display: none !important;
}
.dock-drag-strip {
    height: 4px;
    flex-shrink: 0;
    cursor: grab;
}
.dock-drag-strip:active { cursor: grabbing; }
.dock-content {
    flex: 1;
    min-height: 0;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}
/* ── Dock Panel Resizer ──
     flex: 0 0 1px keeps layout tight (no extra whitespace).
     Visual 1px line drawn via ::after border — Chrome on Windows
     renders borders (stroke) with consistent subpixel anti-aliasing,
     avoiding the 1⇔2 physical-pixel jitter that background fill
     exhibits at fractional flex positions × fractional DPI.
     ::before — invisible hit area extension for easier mouse grabbing.
   ── */
.dock-resizer {
    flex: 0 0 1px;
    position: relative;
    margin: 0;
    background: transparent;
}
.dock-resizer::before {
    content: '';
    position: absolute;
    z-index: 10;
}
.dock-resizer::after {
    content: '';
    position: absolute;
    z-index: 5;
    pointer-events: none;
}
/* V-split (horizontal bar): 1px border-top at top edge */
.dock-split-v > .dock-resizer::before {
    inset: -2.5px 0;
    cursor: ns-resize;
}
.dock-split-v > .dock-resizer::after {
    left: 0;
    right: 0;
    top: 0;
    height: 0;
    border-top: 1px solid var(--ui-border);
}
/* H-split (vertical bar): 1px border-left at left edge */
.dock-split-h > .dock-resizer {
    cursor: ew-resize;
}
.dock-split-h > .dock-resizer::before {
    inset: 0 -2.5px;
    cursor: ew-resize;
}
.dock-split-h > .dock-resizer::after {
    top: 0;
    bottom: 0;
    left: 0;
    width: 0;
    border-left: 1px solid var(--ui-border);
}
.dock-preview {
    position: fixed;
    z-index: 9999;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.08s ease;
}
.dock-preview.visible {
    opacity: 1;
}
.dock-drag-ghost {
    position: fixed;
    z-index: 10000;
    pointer-events: none;
    background: var(--ui-bg-panel, #fff);
    border: 1px solid var(--ui-border-light, #cbd5e1);
    border-radius: 6px;
    padding: 4px 10px;
    font-size: 13px;
    font-weight: 600;
    color: var(--ui-text, #1e293b);
    opacity: 0.85;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    transform: translate(-50%, -50%);
    white-space: nowrap;
    user-select: none;
}
.dock-tab-dragging {
    opacity: 0.35;
    transition: opacity 0.15s ease;
}

.dock-float-window {
    position: fixed;
    z-index: 1000;
    display: flex;
    flex-direction: column;
    background: var(--ui-bg-placeholder);
    border: 1px solid var(--ui-border-light, #cbd5e1);
    border-radius: 8px;
    box-shadow: 0 8px 32px rgba(0,0,0,0.18);
    overflow: hidden;
    min-width: 200px;
    min-height: 100px;
}
.dock-float-window .dock-tab-bar {
    cursor: move;
    flex-shrink: 0;
    border-radius: 8px 8px 0 0;
}
.dock-float-window .dock-tab-bar .dock-tab {
    cursor: pointer;
}
.dock-float-window .dock-tab-bar .dock-tab.active {
    cursor: grab;
}
.dock-float-body {
    flex: 1;
    min-height: 0;
    display: flex;
    flex-direction: column;
    overflow: auto;
}
.dock-float-body > object-tree,
.dock-float-body > .placeholder,
.dock-float-body > logger-panel,
.dock-float-body > .canvas-wrap,
.dock-float-body .placeholder {
    border: none !important;
    border-radius: 0 !important;
    background: transparent !important;
}

.dock-float-resize {
    position: absolute;
    z-index: 1;
}
.dock-float-resize.handle-n {
    top: -3px; left: 0; right: 0; height: 6px;
    cursor: ns-resize;
}
.dock-float-resize.handle-s {
    bottom: -3px; left: 0; right: 0; height: 6px;
    cursor: ns-resize;
}
.dock-float-resize.handle-e {
    right: -3px; top: 0; bottom: 0; width: 6px;
    cursor: ew-resize;
}
.dock-float-resize.handle-w {
    left: -3px; top: 0; bottom: 0; width: 6px;
    cursor: ew-resize;
}
.dock-float-resize.handle-ne {
    top: -3px; right: -3px; width: 10px; height: 10px;
    cursor: ne-resize;
}
.dock-float-resize.handle-nw {
    top: -3px; left: -3px; width: 10px; height: 10px;
    cursor: nw-resize;
}
.dock-float-resize.handle-se {
    bottom: -3px; right: -3px; width: 10px; height: 10px;
    cursor: se-resize;
}
.dock-float-resize.handle-sw {
    bottom: -3px; left: -3px; width: 10px; height: 10px;
    cursor: sw-resize;
}

.dock-float-window .title_panel,
.dock-float-window .prop_panel_title_wrapper {
    display: none;
}
.placeholder {
    border: none;
    border-radius: 0;
    display: flex;
    flex-direction: column;
    min-height: 0; 
    overflow-y: auto;
    overflow-x: auto;
    box-sizing: border-box;
    background-color: var(--ui-bg-placeholder);
    transition: background-color 0.2s;
}
logger-panel {
    border: none;
    border-radius: 0;
    box-sizing: border-box;
    background-color: var(--ui-bg-placeholder);
    display: flex;
    flex-direction: column;
    flex: 1;
    min-height: 0;
    min-width: 0;
    overflow: hidden;
    transform: translateZ(0);
}
.placeholder:focus, .tree_panel:focus, #object_tree:focus, .tree_item:focus {
    outline: none;
}
/* 滚动条（面板）：默认透明，hover 显示 */
.placeholder::-webkit-scrollbar,
.right::-webkit-scrollbar,
#property_container::-webkit-scrollbar,
.dock-content::-webkit-scrollbar,
.tree_panel::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}
.placeholder::-webkit-scrollbar-button,
.right::-webkit-scrollbar-button,
#property_container::-webkit-scrollbar-button,
.dock-content::-webkit-scrollbar-button,
.tree_panel::-webkit-scrollbar-button {
    display: none;
    width: 0;
    height: 0;
}
.placeholder::-webkit-scrollbar-corner,
.right::-webkit-scrollbar-corner,
#property_container::-webkit-scrollbar-corner,
.dock-content::-webkit-scrollbar-corner,
.tree_panel::-webkit-scrollbar-corner {
    background: transparent;
}
.placeholder::-webkit-scrollbar-thumb,
.right::-webkit-scrollbar-thumb,
#property_container::-webkit-scrollbar-thumb,
.dock-content::-webkit-scrollbar-thumb,
.tree_panel::-webkit-scrollbar-thumb {
    background: transparent;
    border-radius: 10px;
    transition: background 0.35s ease 0.5s;
}
.placeholder:hover::-webkit-scrollbar-thumb,
.right:hover::-webkit-scrollbar-thumb,
#property_container:hover::-webkit-scrollbar-thumb,
.dock-content:hover::-webkit-scrollbar-thumb,
.tree_panel:hover::-webkit-scrollbar-thumb,
.placeholder[data-scrollbar-visible]::-webkit-scrollbar-thumb,
.right[data-scrollbar-visible]::-webkit-scrollbar-thumb,
#property_container[data-scrollbar-visible]::-webkit-scrollbar-thumb,
.dock-content[data-scrollbar-visible]::-webkit-scrollbar-thumb,
.tree_panel[data-scrollbar-visible]::-webkit-scrollbar-thumb {
    background: var(--ui-border-light);
    transition: background 0.05s ease 0s;
}
.placeholder::-webkit-scrollbar-thumb:hover,
.right::-webkit-scrollbar-thumb:hover,
#property_container::-webkit-scrollbar-thumb:hover,
.dock-content::-webkit-scrollbar-thumb:hover,
.tree_panel::-webkit-scrollbar-thumb:hover,
.placeholder[data-scrollbar-visible]::-webkit-scrollbar-thumb:hover,
.right[data-scrollbar-visible]::-webkit-scrollbar-thumb:hover,
#property_container[data-scrollbar-visible]::-webkit-scrollbar-thumb:hover,
.dock-content[data-scrollbar-visible]::-webkit-scrollbar-thumb:hover,
.tree_panel[data-scrollbar-visible]::-webkit-scrollbar-thumb:hover {
    background: var(--ui-text-muted);
    transition: background 0.05s ease 0s;
}
.placeholder::-webkit-scrollbar-track,
.right::-webkit-scrollbar-track,
#property_container::-webkit-scrollbar-track,
.dock-content::-webkit-scrollbar-track,
.tree_panel::-webkit-scrollbar-track {
    background: transparent;
    border: none;
}

/* 控制台：独立控制，通过 show-scrollbar class 切换 */
.logger-scroll::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}
.logger-scroll::-webkit-scrollbar-button {
    display: none;
    width: 0;
    height: 0;
}
.logger-scroll::-webkit-scrollbar-corner {
    background: transparent;
}
.logger-scroll::-webkit-scrollbar-thumb {
    background: transparent;
    border-radius: 10px;
    transition: background 0.3s ease;
}
.logger-scroll.show-scrollbar::-webkit-scrollbar-thumb {
    background: var(--ui-border-light);
    transition: background 0.05s ease 0s;
}
.logger-scroll::-webkit-scrollbar-thumb:hover {
    background: var(--ui-text-muted);
    transition: background 0.05s ease 0s;
}
.logger-scroll::-webkit-scrollbar-track {
    background: transparent;
    border: none;
}

/* 偏好设置弹窗：默认透明，hover 显示 */
.pref_modal_body::-webkit-scrollbar,
.pref_content_area::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}
.pref_modal_body::-webkit-scrollbar-button,
.pref_content_area::-webkit-scrollbar-button {
    display: none;
    width: 0;
    height: 0;
}
.pref_modal_body::-webkit-scrollbar-corner,
.pref_content_area::-webkit-scrollbar-corner {
    background: transparent;
}
.pref_modal_body::-webkit-scrollbar-track,
.pref_content_area::-webkit-scrollbar-track {
    background: transparent;
    border: none;
}
.pref_modal_body::-webkit-scrollbar-thumb,
.pref_content_area::-webkit-scrollbar-thumb {
    background: transparent;
    border-radius: 10px;
    transition: background 0.35s ease 0.5s;
}
.pref_modal_body:hover::-webkit-scrollbar-thumb,
.pref_content_area:hover::-webkit-scrollbar-thumb,
.pref_modal_body[data-scrollbar-visible]::-webkit-scrollbar-thumb,
.pref_content_area[data-scrollbar-visible]::-webkit-scrollbar-thumb {
    background: var(--ui-border-light);
    transition: background 0.05s ease 0s;
}
.pref_modal_body::-webkit-scrollbar-thumb:hover,
.pref_content_area::-webkit-scrollbar-thumb:hover,
.pref_modal_body[data-scrollbar-visible]::-webkit-scrollbar-thumb:hover,
.pref_content_area[data-scrollbar-visible]::-webkit-scrollbar-thumb:hover {
    background: var(--ui-text-muted);
    transition: background 0.05s ease 0s;
}

/* 添加菜单：独立，通过 show-scrollbar 控制 */
.sequence-add-menu::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}
.sequence-add-menu::-webkit-scrollbar-button {
    display: none;
    width: 0;
    height: 0;
}
.sequence-add-menu::-webkit-scrollbar-corner {
    background: transparent;
}
.sequence-add-menu::-webkit-scrollbar-thumb {
    background: transparent;
    border-radius: 10px;
    transition: background 0.3s ease;
}
.sequence-add-menu.show-scrollbar::-webkit-scrollbar-thumb {
    background: var(--ui-border-light);
    transition: background 0.05s ease 0s;
}
.sequence-add-menu::-webkit-scrollbar-thumb:hover {
    background: var(--ui-text-muted);
    transition: background 0.05s ease 0s;
}
.sequence-add-menu::-webkit-scrollbar-track {
    background: transparent;
    border: none;
}

/* scrollbar-color 已移至 scrollbar_visibility.js 内联控制（Firefox only）— 
   不在 CSS 中写，防止 Chrome 121+ 也匹配并覆盖 ::-webkit-scrollbar 自定义样式 */
.placeholder span, .property_panel label {
    white-space: nowrap;
}
.placeholder span {
    display: block;
    margin: 4px 8px;
    width: 100%;
}
.title_panel {
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding: 5px 0 9px 0;
    position: sticky;
    top: 0;
    z-index: 1;
    background: var(--ui-bg-placeholder);
}
.panel_title {
    font-size: 13px;
    font-weight: 600;
    color: var(--ui-text-main);
    padding: 0 4px;
    letter-spacing: 0.2px;
}
.property_group {
    display: flex;
    flex-direction: column;
    gap: 4px;
    margin-top: 12px;
}
.property_group:first-child {
    margin-top: 0;
}
.property_group_title {
    font-size: 11px;
    font-weight: 600;
    color: var(--ui-text-muted);
    padding: 4px 4px;
    letter-spacing: 0.5px;
}
pen-tool-popup .property_group_title,
ellipse-tool-popup .property_group_title {
    padding: 4px 10px;
}
.property_single_row {
    display: grid;
    grid-template-columns: 120px 1fr;
    gap: 12px;
    align-items: center;
    padding: 6px 4px;
    min-width: 0;
}
.property_single_row input[type="checkbox"] {
    width: auto;
    justify-self: start;
    margin: 0;
    cursor: pointer;
}
.property_single_row label {
    font-size: 13px;
    color: var(--ui-text-main);
    overflow-x: hidden;
    overflow-y: visible;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.prop_inputs {
    display: flex;
    gap: 6px;
    flex: 1;
    min-width: 0;
}
.prop_inputs input {
    flex: 1;
    min-width: 0;
    text-align: left;
}
.prop_direction_controls {
    display: flex;
    align-items: center;
    gap: 8px;
    min-width: 0;
    justify-content: flex-start;
}
.prop_direction_label {
    flex: 0 0 auto;
    font-size: 13px;
    color: var(--ui-text-main);
}
.prop_toggle_btn {
    appearance: none;
    -webkit-appearance: none;
    display: inline-block;
    flex: 0 0 36px;
    min-width: 36px;
    padding: 0;
    position: relative;
    width: 36px;
    height: 22px;
    border: 1px solid var(--ui-border-light);
    border-radius: 999px;
    background: var(--ui-border);
    cursor: pointer;
    transition: background-color 0.15s ease, border-color 0.15s ease, opacity 0.15s ease;
    box-sizing: border-box;
    vertical-align: middle;
    line-height: 0;
}
.prop_toggle_btn::before {
    content: "";
    position: absolute;
    width: 14px;
    height: 14px;
    left: 2px;
    top: 50%;
    border-radius: 50%;
    background: #ffffff;
    border: 1px solid var(--ui-border-light);
    transform: translateY(-50%);
    transition: transform 0.15s ease;
}
.prop_toggle_btn[aria-pressed="true"] {
    background: var(--ui-accent);
    border-color: var(--ui-accent);
}
.prop_toggle_btn[aria-pressed="true"]::before {
    transform: translate(16px, -50%);
}
.prop_toggle_btn:disabled {
    opacity: 0.45;
    cursor: not-allowed;
}
/* ── Direction text toggle (text-box + embedded toggle switch) ── */
/* Self-contained — does NOT rely on base .prop_toggle_btn for any dimension. */
.prop_direction_text_toggle {
    flex: 1;
    min-width: 100px;
    position: relative;
    display: flex;
    align-items: center;
    cursor: pointer;
    user-select: none;
}
/* High specificity to beat .ppp-row input[type="text"] on padding-right */
.ppp-row .prop_direction_text_toggle input.prop_direction_input {
    padding-right: 30px;
    pointer-events: none;
}
/* Self-contained toggle button — all styles explicit, no cascade from base .prop_toggle_btn. */
.prop_direction_text_toggle .prop_toggle_btn {
    position: absolute;
    right: 4px;
    top: 50%;
    transform: translateY(-50%);
    flex: none;
    min-width: 26px;
    width: 26px;
    height: 14px;
    margin: 0;
    padding: 0;
    border: 1px solid var(--ui-border-light);
    border-radius: 999px;
    background: var(--ui-border);
    pointer-events: none;
    box-sizing: border-box;
    appearance: none;
    -webkit-appearance: none;
    cursor: pointer;
    line-height: 0;
    outline: none;
}
.prop_direction_text_toggle .prop_toggle_btn::before {
    content: "";
    position: absolute;
    width: 8px;
    height: 8px;
    left: 2px;
    top: 50%;
    border-radius: 50%;
    background: #ffffff;
    border: none;
    transform: translateY(-50%);
    transition: transform 0.15s ease;
}
.prop_direction_text_toggle .prop_toggle_btn[aria-pressed="true"] {
    background: var(--ui-accent);
    border-color: var(--ui-accent);
}
.prop_direction_text_toggle .prop_toggle_btn[aria-pressed="true"]::before {
    transform: translate(12px, -50%);
}
.prop_direction_text_toggle .prop_toggle_btn:disabled {
    opacity: 0.35;
}
.property_group_content::after {
    display: none;
}
.glyphs_panel {
    padding: 6px;
    font-size: 13px;
    flex: 0 0 auto; 
}
object-tree {
    display: flex;
    flex-direction: column;
    flex: 1;
    min-height: 0;
    transform: translateZ(0);
}
.tree_panel {
    padding: 0 6px 4px 6px;
    font-size: 13px;
    flex: 1; 
    white-space: nowrap;
    overflow-y: auto;
    overflow-x: auto;
    transform: translateZ(0);
}
.property_panel {
    display: flex;
    flex-direction: column;
    padding: 0;
    flex: 1;
    min-height: 0;
    position: relative;
    overflow: auto;
    overscroll-behavior: contain;
    transform: translateZ(0);
}
.property_panel label {
    font-size: 13px;
    color: var(--ui-text-main);
}
.property_panel input:not([type="checkbox"]):not(.prop_toggle_btn) {
    width: 100%;
}
.property_panel input:not([type="checkbox"]):not(.prop_toggle_btn):disabled {
    opacity: 0.5;
    cursor: not-allowed;
    border-color: transparent;
    background-color: var(--ui-hover-bg);
    color: var(--ui-text-muted);
}
.property_panel input[type="number"]::-webkit-outer-spin-button,
.property_panel input[type="number"]::-webkit-inner-spin-button,
.npp-row input[type="number"]::-webkit-outer-spin-button,
.npp-row input[type="number"]::-webkit-inner-spin-button,
.ppp-row input[type="number"]::-webkit-outer-spin-button,
.ppp-row input[type="number"]::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}
.property_panel input[type="number"],
.npp-row input[type="number"],
.ppp-row input[type="number"] {
    -moz-appearance: textfield;
    appearance: textfield;
}
/* =========================================
   Canvas & Rulers
   ========================================= */
.painting_area {
    position: relative;
    width: 100%;
    height: 100%;
    background-color: var(--cvs-canvas-base); 
}
.main_canvas_large {
    position: absolute;
    top: 0;
    right: 0;
    width: 100%;
    height: 100%;
    background-color: var(--cvs-canvas-base);
    background-image: radial-gradient(var(--cvs-grid-dot) 1px, transparent 1px);
    background-size: 20px 20px; 
}
.main_canvas {
    position: absolute;
    background-color: var(--cvs-body-bg);
    box-shadow: 0 4px 24px rgba(0,0,0,0.06), 0 1px 4px rgba(0,0,0,0.04); 
}
.lock_guideline_icon,
.lock_guideline_icon_unlocked {
    width: 14px;
    height: 14px;
    color: var(--ui-text-muted);
    display: none;
}
.lock_guideline_icon.is-visible,
.lock_guideline_icon_unlocked.is-visible {
    display: inline;
}
.lock_guideline_button {
    position: absolute;
    top: 0px;
    left: 0px;
    width: 18px;
    height: 18px;
    z-index: 200;
    background: var(--ui-bg-panel);
    border: none;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 1px 1px 0 var(--ui-border); 
    cursor: pointer;
}
.lock_guideline_button:hover {
    background: var(--ui-hover-bg);
}
.lock_guideline_button:active {
    background: var(--ui-active-bg);
    box-shadow: inset 0 1px 2px rgba(0,0,0,0.1);
}
.ruler_horizontal {
    position: absolute;
    z-index: 200;
    top: 0px;
    left: 18px;
    height: 18px;
    width: 100%;
    border-bottom: 1px solid var(--ui-border-light);
    box-sizing: border-box;
    background: var(--ui-bg-panel);
    user-select: none;
    overflow: hidden;
}
.ruler_vertical {
    position: absolute;
    z-index: 200;
    left: 0px;
    top: 18px;
    width: 18px;
    height: 100%;
    border-right: 1px solid var(--ui-border-light);
    box-sizing: border-box;
    background: var(--ui-bg-panel);
    user-select: none;
    overflow: hidden;
}
.ruler-indicator-h {
    position: absolute;
    top: 12px;
    width: 0;
    height: 0;
    border-left: 5px solid transparent;
    border-right: 5px solid transparent;
    border-top: 6px solid #e11d48;
    pointer-events: none;
    z-index: 210;
    display: none;
}
.ruler-indicator-v {
    position: absolute;
    left: 12px;
    width: 0;
    height: 0;
    border-top: 5px solid transparent;
    border-bottom: 5px solid transparent;
    border-left: 6px solid #e11d48;
    pointer-events: none;
    z-index: 210;
    display: none;
}
.user-guide-edit-overlay {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    z-index: 2000;
}
.user-guide-edit-dialog {
    position: absolute;
    background: var(--ui-bg-panel);
    border: 1px solid var(--ui-border);
    border-radius: 6px;
    padding: 10px 12px;
    min-width: 140px;
    box-shadow: 0 4px 16px rgba(0,0,0,0.25);
}
.user-guide-edit-dialog .field-row {
    display: flex;
    align-items: center;
    margin-bottom: 4px;
}
.user-guide-edit-dialog .field-row:last-of-type {
    margin-bottom: 0;
}
.user-guide-edit-dialog .field-row label {
    width: 120px;
    font: var(--ink-field-label-font);
    color: var(--ui-text-main);
    letter-spacing: normal;
    flex-shrink: 0;
}
.user-guide-edit-dialog .field-row input {
    flex: 1;
    height: 22px;
    padding: 0 5px;
    border: 1px solid var(--ui-border);
    border-radius: 3px;
    background: var(--ui-bg-base);
    color: var(--ui-text-main);
    font-size: 11px;
    font-family: ui-monospace, monospace;
    box-sizing: border-box;
    outline: none;
    -moz-appearance: textfield;
}
.user-guide-edit-dialog .field-row input::-webkit-inner-spin-button,
.user-guide-edit-dialog .field-row input::-webkit-outer-spin-button {
    -webkit-appearance: none;
    margin: 0;
}
.user-guide-edit-dialog .field-row input:focus {
    border-color: var(--ui-accent);
}
.user-guide-edit-dialog .btn-row {
    display: flex;
    justify-content: space-between;
    gap: 6px;
    margin-top: 10px;
}
.user-guide-edit-dialog .btn-row button {
    flex: 1;
    height: 28px;
    border-radius: 5px;
    font-size: 12px;
    font-weight: 500;
    cursor: pointer;
    font-family: inherit;
    transition: all 0.15s ease;
}
.user-guide-edit-dialog .btn-cancel {
    background: var(--ui-bg-base);
    color: var(--ui-text-main);
    border: 1px solid var(--ui-border);
}
.user-guide-edit-dialog .btn-cancel:hover {
    background: var(--ui-hover-bg);
    border-color: var(--ui-border-light);
}
.user-guide-edit-dialog .btn-ok {
    background: var(--ui-accent);
    color: #fff;
    border: none;
}
.user-guide-edit-dialog .btn-ok:hover {
    background: var(--ui-accent-hover);
}
.ruler-edit-dialog {
    min-width: 180px;
}
.ruler-edit-dialog .field-row label {
    width: 46px;
}
.ruler-edit-dialog .btn-delete {
    background: transparent;
    border: 1px solid var(--ui-danger, #e74c3c);
    color: var(--ui-danger, #e74c3c);
}
.ruler-edit-dialog .btn-delete:hover,
.ruler-edit-dialog .btn-delete:focus,
.ruler-edit-dialog .btn-delete:focus-visible {
    background: var(--ui-danger, #e74c3c);
    color: #fff;
}
node-property-popup,
path-property-popup,
bounding-box-popup,
group-settings-popup {
    position: fixed;
    z-index: 2000;
    background: var(--ui-bg-panel);
    border: 1px solid var(--ui-border);
    border-radius: 6px;
    box-shadow: 0 4px 16px rgba(0,0,0,0.25);
    min-width: 320px;
    overflow: hidden;
    user-select: none;
    display: none;
    cursor: move;
}
node-property-popup.visible,
path-property-popup.visible,
bounding-box-popup.visible,
group-settings-popup.visible {
    display: block;
}

/* docked sections: enforce minimum content width */
#property_container > [data-section] {
    min-width: 320px;
}
.npp-drag-handle {
    cursor: grab;
    font-size: 11px;
    font-weight: 600;
    color: var(--ui-text-muted);
    letter-spacing: 0.2px;
    padding: 4px 10px 4px 10px;
    background: var(--ui-bg-placeholder);
    user-select: none;
}
.npp-drag-handle:active {
    cursor: grabbing;
}
/* popup-specific: round top corners to match popup border-radius */
node-property-popup .npp-drag-handle,
path-property-popup .npp-drag-handle,
bounding-box-popup .npp-drag-handle,
group-settings-popup .npp-drag-handle {
    border-radius: 6px 6px 0 0;
}
preferences-popup,
pen-tool-popup,
ellipse-tool-popup,
font-popup {
    position: fixed;
    z-index: 2000;
    background: var(--ui-bg-overlay);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--ui-border);
    border-radius: 8px;
    box-shadow: 0 8px 24px rgba(0,0,0,0.12), 0 2px 8px rgba(0,0,0,0.04);
    min-width: 320px;
    max-width: 400px;
    max-height: 80vh;
    display: none;
}
preferences-popup.visible,
pen-tool-popup.visible,
ellipse-tool-popup.visible,
font-popup.visible {
    display: block;
}
preferences-popup,
font-popup {
    overflow: hidden;
}
font-popup .pen-tool-popup-header {
    font-size: 11px;
    font-weight: 600;
    color: var(--ui-text-muted);
    padding: 10px 12px 6px;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    cursor: default;
}
preferences-popup .pen-tool-popup-body,
font-popup .pen-tool-popup-body {
    padding: 0;
    overflow-y: auto;
    max-height: 70vh;
}
/* Scrollbar for tool popups: match other panel scrollbar style */
preferences-popup .pen-tool-popup-body::-webkit-scrollbar,
font-popup .pen-tool-popup-body::-webkit-scrollbar,
pen-tool-popup .pen-tool-popup-body::-webkit-scrollbar,
ellipse-tool-popup .pen-tool-popup-body::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}
preferences-popup .pen-tool-popup-body::-webkit-scrollbar-button,
font-popup .pen-tool-popup-body::-webkit-scrollbar-button,
pen-tool-popup .pen-tool-popup-body::-webkit-scrollbar-button,
ellipse-tool-popup .pen-tool-popup-body::-webkit-scrollbar-button {
    display: none;
    width: 0;
    height: 0;
}
preferences-popup .pen-tool-popup-body::-webkit-scrollbar-corner,
font-popup .pen-tool-popup-body::-webkit-scrollbar-corner,
pen-tool-popup .pen-tool-popup-body::-webkit-scrollbar-corner,
ellipse-tool-popup .pen-tool-popup-body::-webkit-scrollbar-corner {
    background: transparent;
}
preferences-popup .pen-tool-popup-body::-webkit-scrollbar-thumb,
font-popup .pen-tool-popup-body::-webkit-scrollbar-thumb,
pen-tool-popup .pen-tool-popup-body::-webkit-scrollbar-thumb,
ellipse-tool-popup .pen-tool-popup-body::-webkit-scrollbar-thumb {
    background: transparent;
    border-radius: 10px;
    transition: background 0.35s ease 0.5s;
}
preferences-popup .pen-tool-popup-body.show-scrollbar::-webkit-scrollbar-thumb,
font-popup .pen-tool-popup-body.show-scrollbar::-webkit-scrollbar-thumb,
pen-tool-popup .pen-tool-popup-body.show-scrollbar::-webkit-scrollbar-thumb,
ellipse-tool-popup .pen-tool-popup-body.show-scrollbar::-webkit-scrollbar-thumb {
    background: var(--ui-border-light);
    transition: background 0.05s ease 0s;
}
preferences-popup .pen-tool-popup-body::-webkit-scrollbar-thumb:hover,
font-popup .pen-tool-popup-body::-webkit-scrollbar-thumb:hover,
pen-tool-popup .pen-tool-popup-body::-webkit-scrollbar-thumb:hover,
ellipse-tool-popup .pen-tool-popup-body::-webkit-scrollbar-thumb:hover {
    background: var(--ui-text-muted);
    transition: background 0.05s ease 0s;
}
preferences-popup .pen-tool-popup-body::-webkit-scrollbar-track,
font-popup .pen-tool-popup-body::-webkit-scrollbar-track,
pen-tool-popup .pen-tool-popup-body::-webkit-scrollbar-track,
ellipse-tool-popup .pen-tool-popup-body::-webkit-scrollbar-track {
    background: transparent;
    border: none;
}
preferences-popup .pen-tool-popup-body::-webkit-scrollbar-thumb,
font-popup .pen-tool-popup-body::-webkit-scrollbar-thumb {
    background: var(--ui-border-light);
    transition: none;
}

preferences-popup .pen-tool-row,
font-popup .pen-tool-row {
    margin-bottom: 0;
}
preferences-popup .pen-tool-row label,
font-popup .pen-tool-row label {
    width: 110px;
    flex-shrink: 0;
    overflow-x: hidden;
    overflow-y: visible;
    text-overflow: ellipsis;
}
preferences-popup .pen-tool-row input,
preferences-popup .pen-tool-row select,
font-popup .pen-tool-row input,
font-popup .pen-tool-row select {
    flex: 1;
    min-width: 0;
    height: 22px;
    padding: 0 5px;
    border: 1px solid var(--ui-border);
    border-radius: 3px;
    background: var(--ui-bg-base);
    color: var(--ui-text-main);
    font-size: 11px;
    font-family: ui-monospace, monospace;
    box-sizing: border-box;
    outline: none;
}
preferences-popup .pen-tool-row input:focus,
preferences-popup .pen-tool-row select:focus,
font-popup .pen-tool-row input:focus,
font-popup .pen-tool-row select:focus {
    border-color: var(--ui-accent);
}
font-popup .pen-tool-row textarea {
    flex: 1;
    min-width: 0;
    min-height: 36px;
    padding: 3px 5px;
    border: 1px solid var(--ui-border);
    border-radius: 3px;
    background: var(--ui-bg-base);
    color: var(--ui-text-main);
    font-size: 11px;
    font-family: ui-monospace, monospace;
    box-sizing: border-box;
    outline: none;
    resize: vertical;
}
font-popup .pen-tool-row textarea:focus {
    border-color: var(--ui-accent);
}
/* Hide number input spinners */
font-popup .pen-tool-row input[type="number"]::-webkit-outer-spin-button,
font-popup .pen-tool-row input[type="number"]::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}
font-popup .pen-tool-row input[type="number"] {
    -moz-appearance: textfield;
}
pen-tool-popup .npp-row input[type="checkbox"],
ellipse-tool-popup .npp-row input[type="checkbox"] {
    width: auto;
    height: auto;
    flex: none;
    border: none;
    padding: 0;
    margin: 0;
    cursor: pointer;
    accent-color: var(--ui-accent);
}
.pen-tool-actions {
    display: flex;
    justify-content: space-between;
    gap: 6px;
    margin-top: 10px;
}
.pen-tool-actions .btn-cancel {
    flex: 1;
    height: 28px;
    border-radius: 5px;
    font-size: 12px;
    font-weight: 500;
    cursor: pointer;
    font-family: inherit;
    transition: all 0.15s ease;
    background: var(--ui-bg-base);
    color: var(--ui-text-main);
    border: 1px solid var(--ui-border);
}
.pen-tool-actions .btn-cancel:hover {
    background: var(--ui-hover-bg);
    border-color: var(--ui-border-light);
}
.pen-tool-actions .btn-ok {
    flex: 1;
    height: 28px;
    border-radius: 5px;
    font-size: 12px;
    font-weight: 500;
    cursor: pointer;
    font-family: inherit;
    transition: all 0.15s ease;
    background: var(--ui-accent);
    color: #fff;
    border: none;
}
.pen-tool-actions .btn-ok:hover {
    background: var(--ui-accent-hover);
}

.ppp-divider {
    height: 1px;
    background: var(--ui-border);
    margin: 8px 0;
}

.ppp-fields {
    padding: 8px 10px;
}
.ppp-row {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-bottom: 6px;
    min-height: 22px;
}
.ppp-row:last-child {
    margin-bottom: 0;
}
.ppp-row > label {
    font-size: 11px;
    color: var(--ui-text-muted);
    flex-shrink: 0;
    width: 120px;
    white-space: nowrap;
    overflow-x: hidden;
    overflow-y: visible;
    text-overflow: ellipsis;
}
.ppp-row input[type="number"] {
    flex: 1;
    min-width: 0;
    text-align: left;
}
.ppp-row input[type="checkbox"] {
    width: auto;
    margin: 0;
    cursor: pointer;
    accent-color: var(--ui-accent);
}
.ppp-row input[type="text"] {
    flex: 1;
    min-width: 0;
}
.ppp-row .prop_direction_controls {
    flex: 1;
    justify-content: flex-start;
}
.ppp-divider {
    height: 1px;
    background: var(--ui-border);
    margin: 8px 0;
}

.npp-drop-target,
.bbox-drop-target,
.ppp-drop-target,
.grp-drop-target {
    position: relative;
}
.npp-drop-target::after,
.bbox-drop-target::after,
.ppp-drop-target::after,
.grp-drop-target::after {
    content: '';
    position: absolute;
    inset: 4px;
    border: 2px dashed rgba(96, 165, 250, 0.6);
    border-radius: 8px;
    pointer-events: none;
    z-index: 1;
}
.npp-drag-ghost {
    background: var(--ui-bg-panel);
    border: 1px solid var(--ui-border);
    border-radius: 4px;
    padding: 5px 10px;
    font-size: 11px;
    font-weight: 600;
    color: var(--ui-text-main);
    box-shadow: 0 4px 12px rgba(0,0,0,0.3);
    white-space: nowrap;
}

/* blue insertion preview line during reorder drag */
.npp-section-preview {
    height: 2px;
    background: var(--ui-accent);
    border-radius: 1px;
    margin: 0 8px;
    pointer-events: none;
    flex-shrink: 0;
}
/* dragged section becomes semi-transparent */
[data-section].is-dragging {
    opacity: 0.35;
}

.npp-extract-handle {
    cursor: grab;
    font-size: 11px;
    font-weight: 600;
    color: var(--ui-text-muted);
    letter-spacing: 0.2px;
    padding: 4px 6px 4px 6px;
    border-radius: 6px 6px 0 0;
    background: var(--ui-bg-placeholder);
    user-select: none;
}
.npp-extract-handle:active {
    cursor: grabbing;
}
.npp-fields {
    padding: 8px 10px;
}
.npp-row {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-bottom: 6px;
    min-height: 22px;
}
.npp-row:last-child {
    margin-bottom: 0;
}
.npp-row > label {
    width: 120px;
    font-size: 11px;
    color: var(--ui-text-muted);
    flex-shrink: 0;
    white-space: nowrap;
    overflow-x: hidden;
    overflow-y: visible;
    text-overflow: ellipsis;
}
/* When axis labels accompany the field label (e.g. Pos X, In X),
   use a 2-column grid: label(96) + input-group(1fr flex).
   The npp-input-group wraps the axis + input + axis + input in a flex row,
   so the four right-side elements form a single cohesive block.          */
.npp-row:has(.npp-axis) {
    display: grid;
    grid-template-columns: 96px 1fr;
    gap: 6px;
    align-items: center;
    margin-bottom: 4px;
    min-height: 22px;
}
.npp-row:has(.npp-axis):last-child {
    margin-bottom: 0;
}
.npp-row:has(.npp-axis) > label {
    width: auto;
}
.npp-input-group {
    display: flex;
    gap: 6px;
    align-items: center;
    min-width: 0;
}
.npp-input-group input {
    flex: 1;
    min-width: 0;
}
.npp-row .npp-axis {
    font-size: 10px;
    color: var(--ui-text-muted);
    flex-shrink: 0;
    width: 18px;
    text-align: right;
}
.npp-row input {
    flex: 1;
    min-width: 0;
    text-align: left;
    cursor: text;
    user-select: auto;
}
.npp-row input:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    border-color: transparent;
    background: var(--ui-hover-bg);
    color: var(--ui-text-muted);
}
.tree_item {
    position: relative;
    overflow: hidden;
    user-select: none;
    width: 100%;
    background-color: var(--ui-bg-placeholder);
    transition: background-color 0.15s ease, box-shadow 0.15s ease, transform 0.1s;
}
.tree_item:hover { 
    background-color: var(--ui-hover-bg); 
}
.tree_item.selected { 
    background-color: var(--ui-active-bg);
    box-shadow: inset 0 1px 2px rgba(0,0,0,0.02);
}
.tree_item.hidden_by_sequence { display: none; }
.tree_item.active-group {
    background-color: var(--ui-accent-bg);
    box-shadow: inset 3px 0 0 0 var(--ui-accent);
    color: var(--ui-accent-text);
}
.tree_item.dragging { 
    opacity: 0.6; 
    background-color: var(--ui-bg-base);
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    transform: scale(0.99);
}
.tree_item.drag-over-top { box-shadow: inset 0 2px 0 0 var(--ui-accent); }
.tree_item.drag-over-bottom { box-shadow: inset 0 -2px 0 0 var(--ui-accent); }
.tree_item.drag-over-inside { 
    background-color: var(--ui-accent-bg-hover);
    box-shadow: inset 0 0 0 2px var(--ui-accent); 
}
.tree_item.collapsed > .tree_left .tree_toggle img {
    transform: rotate(-90deg);
}
.tree_left { 
    display: flex; 
    align-items: center; 
    gap: 2px; 
    pointer-events: none; 
    padding-right: 48px;
    overflow: hidden;
}
.tree_right {
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    display: flex;
    align-items: center;
    gap: 1px;
    padding: 0 1px;
    pointer-events: auto;
    background-color: inherit;
    z-index: 1;
}
.tree_item[data-type="group"]:not(.group-reference) .tree_left {
    padding-right: 0;
}
.tree_lock_btn,
.tree_hide_btn {
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    background: transparent;
    border: 1px solid transparent;
    border-radius: 4px;
    padding: 0;
    color: var(--ui-text-muted);
    opacity: 0;
    transition: opacity 0.15s, background-color 0.15s, color 0.15s;
    pointer-events: auto;
}
.tree_item:hover .tree_lock_btn,
.tree_item:hover .tree_hide_btn {
    opacity: 1;
}
.tree_lock_btn.is-active,
.tree_hide_btn.is-active {
    opacity: 1;
    color: var(--ui-accent);
    border-color: transparent;
}
.tree_lock_btn:hover,
.tree_hide_btn:hover {
    background: var(--ui-hover-bg);
    color: var(--ui-text-strong);
}
.tree_lock_btn img,
.tree_hide_btn img {
    width: 12px;
    height: 12px;
    pointer-events: none;
}
.tree_indent { width: 0px; flex-shrink: 0; }
.tree_toggle {
    width: 14px; height: 14px;
    margin-left: 6px;
    padding: 0; border: none;
    background: transparent;
    cursor: pointer;
    display: flex; justify-content: center; align-items: center;
    color: var(--ui-text-muted); flex-shrink: 0;
    pointer-events: auto;
    border-radius: 4px;
    transition: background-color 0.2s;
}
.tree_toggle:hover { background-color: var(--ui-active-bg); color: var(--ui-text-strong); }
.tree_toggle:empty { display: none; }
.tree_select_btn {
    width: 18px;
    height: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    background: transparent;
    border: none;
    border-radius: 4px;
    padding: 0;
    margin: 4px 3px 4px 6px;
    color: var(--ui-text-muted);
    opacity: 0;
    transition: opacity 0.15s, background-color 0.15s, color 0.15s;
    pointer-events: auto;
    flex-shrink: 0;
}
.tree_select_btn::after {
    content: '';
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: currentColor;
    flex-shrink: 0;
}
.tree_item:hover .tree_select_btn {
    opacity: 1;
}
.tree_select_btn.is-active {
    opacity: 1;
    color: var(--ui-accent);
}
.tree_select_btn:hover {
    background: var(--ui-hover-bg);
}
.tree_select_btn.is-active:hover {
    background: transparent;
}
.tree_item[data-type="group"] .tree_select_btn {
    display: none;
}
.tree_toggle img { width: 12px; height: 12px; transition: transform 0.2s cubic-bezier(0.4, 0, 0.2, 1); }
.tree_label, .tree_label_group { color: var(--ui-text-main); line-height: normal; white-space: nowrap; pointer-events: auto; padding-bottom: 1px; min-width: 0; }
.tree_label_group { font-weight: 600; }
.group-reference .tree_label_group { font-style: italic; color: var(--ui-text-muted); }

/* ---- Group row: menu-item style ---- */
.tree_item[data-type="group"] {
    background-color: var(--ui-accent-bg);
    margin-top: 0;
    border-left: none;
}
.tree_item[data-type="group"]:hover {
    background-color: var(--ui-accent-bg);
}
.tree_item[data-type="group"].selected {
    background-color: var(--ui-accent-bg);
}
.tree_item[data-type="group"] .tree_toggle {
    width: 18px; height: 18px;
    margin: 4px 3px 4px 6px;
}
.tree_item[data-type="group"] .tree_toggle img { width: 16px; height: 16px; }
.tree_item[data-type="group"] .tree_label_group {
    font-size: 13px;
    font-weight: 700;
    color: var(--ui-text-main);
    line-height: normal;
}
.tree_item[data-type="group"].active-group {
    background-color: var(--ui-accent-bg);
    box-shadow: inset 3px 0 0 0 var(--ui-accent);
}
/* Reference groups: normal object styling (override group-specific rules) */
.tree_item[data-type="group"].group-reference {
    background-color: var(--ui-bg-placeholder);
    border-left: none;
}
.tree_item[data-type="group"].group-reference:hover {
    background-color: var(--ui-hover-bg);
}
.tree_item[data-type="group"].group-reference.selected {
    background-color: var(--ui-active-bg);
    box-shadow: inset 0 1px 2px rgba(0,0,0,0.02);
}
.tree_item[data-type="group"].group-reference.active-group {
    background-color: var(--ui-accent-bg);
    box-shadow: inset 3px 0 0 0 var(--ui-accent);
}
.tree_item[data-type="group"].group-reference .tree_select_btn {
    display: flex;
}
.tree_item[data-type="group"].group-reference .tree_toggle {
    width: 14px; height: 14px;
    margin: 0;
}
.tree_item[data-type="group"].group-reference .tree_toggle img { width: 12px; height: 12px; }
.tree_item[data-type="group"].group-reference .tree_label {
    font-style: italic;
}
.tree_icon_left_container {
    position: absolute;
    left: 0; top: 50%;
    transform: translateY(-50%);
    display: flex;
}
/* =========================================
   Menus
   ========================================= */
.tree_menu, .sequence-add-menu {
    position: fixed;
    background: var(--ui-bg-overlay);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--ui-border);
    border-radius: 8px;
    box-shadow: 0 8px 24px rgba(0,0,0,0.12), 0 2px 8px rgba(0,0,0,0.04);
    z-index: 2000;
}
.tree_menu {
    padding: 6px 0;
    font-size: 13px;
    min-width: 160px;
}
.tree_menu_item { 
    padding: 6px 16px; 
    white-space: nowrap; 
    cursor: pointer; 
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 24px;
    color: var(--ui-text-main);
    transition: background-color 0.1s;
}
.tree_menu_item:hover:not(.disabled) { 
    background-color: var(--ui-accent); 
    color: #ffffff;
}
.tree_menu_item:hover:not(.disabled) .shortcut {
    color: rgba(255,255,255,0.8);
}
.tree_menu_item.disabled { 
    color: var(--ui-text-muted); 
    cursor: default; 
}
.shortcut { 
    color: var(--ui-text-muted); 
    font-size: 11px; 
    margin-left: auto;
    font-family: ui-monospace, monospace;
}
.tree_menu_item.disabled .shortcut {
    color: var(--ui-border);
}
/* =========================================
   Resizers
   ========================================= */
.sequence-add-menu {
    display: flex;
    flex-direction: column;
    overflow-y: overlay;
    overflow-x: hidden;
    resize: none;
    box-sizing: border-box;
    min-height: 0;
}
.seq-menu-rename-input {
    font-size: 9px;
    font-weight: 500;
    color: var(--ui-text-main);
    background: var(--ui-bg-base);
    border: 1px solid var(--ui-accent);
    border-radius: 3px;
    padding: 0 2px;
    width: 100%;
    box-sizing: border-box;
    text-align: left;
    outline: none;
    height: 16px;
}
.seq-menu-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 6px 10px;
    border-bottom: 1px solid var(--ui-border);
    cursor: default;
    user-select: none;
}
.seq-menu-title {
    font-size: 12px;
    font-weight: 600;
    color: var(--ui-text-main);
}
.seq-menu-close-btn {
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: none;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    color: var(--ui-text-muted);
    padding: 0;
}
.seq-menu-close-btn:hover { background: var(--ui-hover-bg); color: var(--ui-text-main); }
.seq-menu-close-btn svg { width: 14px; height: 14px; fill: currentColor; }
.seq-menu-form {
    display: flex;
    gap: 4px;
    padding: 6px 8px;
    border-bottom: 1px solid var(--ui-border);
    align-items: center;
}
.seq-menu-input {
    flex: 1;
    height: 24px;
    padding: 0 6px;
    border: 1px solid var(--ui-border);
    border-radius: 4px;
    background: var(--ui-bg-base);
    color: var(--ui-text-main);
    font-size: 11px;
    font-family: inherit;
    box-sizing: border-box;
    outline: none;
    min-width: 0;
}
.seq-menu-input:focus { border-color: var(--ui-accent); }
.seq-menu-input::placeholder { color: var(--ui-text-muted); }
.seq-menu-input-error { border-color: #e11d48 !important; }
.seq-menu-input-error:focus { border-color: #e11d48 !important; }
.seq-menu-input-short { flex: 0 0 56px; }
.seq-menu-add-btn {
    height: 24px;
    padding: 0 10px;
    border: none;
    border-radius: 4px;
    background: var(--ui-accent);
    color: #fff;
    font-size: 11px;
    font-weight: 500;
    cursor: pointer;
    white-space: nowrap;
    flex-shrink: 0;
}
.seq-menu-add-btn:hover { background: var(--ui-accent-hover); }
.seq-menu-section {
    padding: 6px 8px;
    border-bottom: 1px solid var(--ui-border);
}
.seq-menu-section:last-of-type { border-bottom: none; }
.seq-menu-section-title {
    font-size: 10px;
    font-weight: 600;
    color: var(--ui-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 6px;
}
.seq-menu-grid {
    display: grid;
    gap: 4px;
}
.seq-menu-item {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    cursor: pointer;
    border: 1px solid transparent;
    border-radius: 6px;
    padding: 4px;
    transition: all 0.15s ease;
    box-sizing: border-box;
}
.seq-menu-item:hover {
    background-color: var(--ui-hover-bg);
    border-color: var(--ui-border);
}
.seq-menu-del-btn {
    position: absolute;
    top: 2px;
    right: 2px;
    width: 18px;
    height: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--ui-bg-panel);
    border: 1px solid var(--ui-border);
    border-radius: 4px;
    padding: 0;
    cursor: pointer;
    opacity: 0;
    transition: opacity 0.15s ease, background 0.15s ease;
    z-index: 1;
}
.seq-menu-del-btn img { width: 14px; height: 14px; pointer-events: none; filter: brightness(0) invert(0.5); }
.seq-menu-item:hover .seq-menu-del-btn { opacity: 1; }
.seq-menu-del-btn:hover { background: #e11d48; border-color: #e11d48; }
.seq-menu-del-btn:hover img { filter: brightness(0) invert(1); }
.seq-menu-char-item .seq-menu-char-preview {
    width: 44px;
    height: 44px;
    object-fit: contain;
    background: var(--ui-bg-panel);
    border: 1px solid var(--ui-border);
    border-radius: 4px;
    margin-bottom: 2px;
}
.seq-menu-char-name {
    font-size: 9px;
    color: var(--ui-text-muted);
    max-width: 100%;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    text-align: center;
}
.seq-menu-preview {
    width: 52px;
    height: 52px;
    background: var(--ui-bg-panel);
    border: 1px solid var(--ui-border);
    border-radius: 4px;
    margin-bottom: 4px;
}
.seq-menu-name {
    font-size: 10px;
    font-weight: 500;
    color: var(--ui-text-main);
    max-width: 100%;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    text-align: center;
}
.seq-menu-char {
    font-size: 9px;
    color: var(--ui-text-muted);
    font-family: ui-monospace, monospace;
    margin-top: 1px;
}
dropdown-menu {
    display: none;
}
.save-dropdown,
.save-dropdown-sub,
preferences-popup,
font-popup {
    position: fixed;
    z-index: 9999;
    background: var(--ui-bg-overlay);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--ui-border);
    border-radius: 8px;
    box-shadow: 0 8px 24px rgba(0,0,0,0.12), 0 2px 8px rgba(0,0,0,0.04);
    padding: 6px 0;
    box-sizing: border-box;
}
.save-dropdown {
    display: none;
    flex-direction: column;
    min-width: 210px;
    max-height: 70vh;
    overflow-y: auto;
}
.save-dropdown.show { display: flex; }
/* Always-visible scrollbar for file dropdown */
.save-dropdown::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}
.save-dropdown::-webkit-scrollbar-button {
    display: none;
    width: 0;
    height: 0;
}
.save-dropdown::-webkit-scrollbar-corner {
    background: transparent;
}
.save-dropdown::-webkit-scrollbar-thumb {
    background: var(--ui-border-light);
    border-radius: 10px;
}
.save-dropdown::-webkit-scrollbar-thumb:hover {
    background: var(--ui-text-muted);
}
.save-dropdown::-webkit-scrollbar-track {
    background: transparent;
    border: none;
}
.save-dropdown-item,
preferences-popup .pen-tool-row,
font-popup .pen-tool-row {
    color: var(--ui-text-main);
    transition: background-color 0.08s;
    white-space: nowrap;
    padding: 3px 14px 3px 12px;
    font-size: 13px;
    line-height: 20px;
    display: flex;
    align-items: center;
    gap: 8px;
    position: relative;
    flex-shrink: 0;
}
.save-dropdown-item {
    cursor: pointer;
}
preferences-popup .pen-tool-row,
font-popup .pen-tool-row {
    transition: none;
}
.save-dropdown-item:hover {
    background: var(--ui-accent);
    color: #fff;
}
.save-dropdown-item.disabled { color: var(--ui-text-muted); cursor: default; opacity: 0.6; }
.save-dropdown-item.disabled:hover { background: transparent; color: var(--ui-text-muted); }
.save-dropdown-label {
    flex: 1;
}
.save-dropdown-label,
preferences-popup .pen-tool-row label,
font-popup .pen-tool-row label {
    color: inherit;
    font-family: inherit;
    font-size: inherit;
    font-weight: inherit;
    line-height: inherit;
    white-space: nowrap;
}
.save-dropdown-item .shortcut {
    color: var(--ui-text-muted);
    font-size: 11px;
    margin-left: 16px;
}
.save-dropdown-item:hover .shortcut { color: rgba(255,255,255,0.6); }
.save-dropdown-arrow {
    font-size: 11px;
    opacity: 0.5;
    margin-left: 4px;
}
.save-dropdown-item:hover .save-dropdown-arrow { opacity: 0.8; }
.save-dropdown-separator,
preferences-popup .pen-tool-separator,
font-popup .pen-tool-separator {
    height: 1px;
    background: var(--ui-border);
    margin: 4px 8px;
    flex-shrink: 0;
    opacity: 0.5;
}
.save-dropdown-sub {
    display: none;
    flex-direction: column;
    z-index: 10000;
    min-width: 210px;
    max-height: 60vh;
    overflow-y: auto;
}
.save-dropdown-sub.show { display: flex; }
/* Submenu scrollbar */
.save-dropdown-sub::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}
.save-dropdown-sub::-webkit-scrollbar-button {
    display: none;
    width: 0;
    height: 0;
}
.save-dropdown-sub::-webkit-scrollbar-corner {
    background: transparent;
}
.save-dropdown-sub::-webkit-scrollbar-thumb {
    background: var(--ui-border-light);
    border-radius: 10px;
}
.save-dropdown-sub::-webkit-scrollbar-thumb:hover {
    background: var(--ui-text-muted);
}
.save-dropdown-sub::-webkit-scrollbar-track {
    background: transparent;
    border: none;
}
.font-popup-input {
    width: 120px;
}
font-popup .pen-tool-row input,
font-popup .pen-tool-row select,
preferences-popup .pen-tool-row input,
preferences-popup .pen-tool-row select,
.property_panel input:not([type="checkbox"]):not(.prop_toggle_btn),
property-panel .npp-row input:not([type="checkbox"]):not(.prop_toggle_btn),
property-panel .ppp-row input[type="number"],
property-panel .ppp-row input[type="text"],
node-property-popup .npp-row input:not([type="checkbox"]):not(.prop_toggle_btn),
bounding-box-popup .npp-row input:not([type="checkbox"]):not(.prop_toggle_btn),
group-settings-popup .npp-row input:not([type="checkbox"]):not(.prop_toggle_btn),
path-property-popup .ppp-row input[type="number"],
path-property-popup .ppp-row input[type="text"],
pen-tool-popup .npp-row input:not([type="checkbox"]):not(.prop_toggle_btn),
ellipse-tool-popup .npp-row input:not([type="checkbox"]):not(.prop_toggle_btn) {
    flex: 1;
    min-width: 0;
    height: 22px;
    padding: 0 5px;
    border: 1px solid var(--ui-border);
    border-radius: 3px;
    background: var(--ui-bg-base);
    color: var(--ui-text-main);
    font-size: 11px;
    font-family: ui-monospace, monospace;
    box-sizing: border-box;
    outline: none;
}
font-popup .pen-tool-row input:focus,
font-popup .pen-tool-row select:focus,
preferences-popup .pen-tool-row input:focus,
preferences-popup .pen-tool-row select:focus,
.property_panel input:not([type="checkbox"]):not(.prop_toggle_btn):focus:not(:disabled),
property-panel .npp-row input:not([type="checkbox"]):not(.prop_toggle_btn):focus:not(:disabled),
property-panel .ppp-row input[type="number"]:focus:not(:disabled),
property-panel .ppp-row input[type="text"]:focus:not(:disabled),
node-property-popup .npp-row input:not([type="checkbox"]):not(.prop_toggle_btn):focus:not(:disabled),
bounding-box-popup .npp-row input:not([type="checkbox"]):not(.prop_toggle_btn):focus:not(:disabled),
group-settings-popup .npp-row input:not([type="checkbox"]):not(.prop_toggle_btn):focus:not(:disabled),
path-property-popup .ppp-row input[type="number"]:focus:not(:disabled),
path-property-popup .ppp-row input[type="text"]:focus:not(:disabled),
pen-tool-popup .npp-row input:not([type="checkbox"]):not(.prop_toggle_btn):focus:not(:disabled),
ellipse-tool-popup .npp-row input:not([type="checkbox"]):not(.prop_toggle_btn):focus:not(:disabled) {
    border-color: var(--ui-accent);
}

/* Authoritative shared baseline for Font and Properties fields. */
:root {
    --ink-field-label-font: 400 13px/20px system-ui, sans-serif;
    --ink-field-input-font: 400 11px/normal ui-monospace, monospace;
}
font-popup .pen-tool-row label,
preferences-popup .pen-tool-row label,
property-panel.property_panel .property_single_row > label,
property-panel.property_panel .npp-row > label,
property-panel.property_panel .ppp-row > label,
property-panel .property_single_row > label,
property-panel .npp-row > label,
property-panel .ppp-row > label,
node-property-popup .npp-row > label,
path-property-popup .ppp-row > label,
bounding-box-popup .npp-row > label,
group-settings-popup .npp-row > label,
pen-tool-popup .npp-row > label,
ellipse-tool-popup .npp-row > label {
    color: var(--ui-text-main);
    font: var(--ink-field-label-font);
    letter-spacing: normal;
}
font-popup .pen-tool-row input,
font-popup .pen-tool-row select,
font-popup .pen-tool-row textarea,
preferences-popup .pen-tool-row input,
preferences-popup .pen-tool-row select,
property-panel.property_panel input:not([type="checkbox"]):not(.prop_toggle_btn),
property-panel input:not([type="checkbox"]):not(.prop_toggle_btn),
node-property-popup input:not([type="checkbox"]):not(.prop_toggle_btn),
path-property-popup input:not([type="checkbox"]):not(.prop_toggle_btn),
bounding-box-popup input:not([type="checkbox"]):not(.prop_toggle_btn),
group-settings-popup input:not([type="checkbox"]):not(.prop_toggle_btn),
pen-tool-popup .npp-row input:not([type="checkbox"]):not(.prop_toggle_btn),
ellipse-tool-popup .npp-row input:not([type="checkbox"]):not(.prop_toggle_btn) {
    flex: 1;
    min-width: 0;
    height: 22px;
    padding: 0 5px;
    border: 1px solid var(--ui-border);
    border-radius: 3px;
    background: var(--ui-bg-base);
    color: var(--ui-text-main);
    font: var(--ink-field-input-font);
    letter-spacing: normal;
    box-sizing: border-box;
    outline: none;
}
font-popup .pen-tool-row input:focus,
font-popup .pen-tool-row select:focus,
font-popup .pen-tool-row textarea:focus,
preferences-popup .pen-tool-row input:focus,
preferences-popup .pen-tool-row select:focus,
property-panel.property_panel input:not([type="checkbox"]):not(.prop_toggle_btn):focus:not(:disabled),
property-panel input:not([type="checkbox"]):not(.prop_toggle_btn):focus:not(:disabled),
node-property-popup input:not([type="checkbox"]):not(.prop_toggle_btn):focus:not(:disabled),
path-property-popup input:not([type="checkbox"]):not(.prop_toggle_btn):focus:not(:disabled),
bounding-box-popup input:not([type="checkbox"]):not(.prop_toggle_btn):focus:not(:disabled),
group-settings-popup input:not([type="checkbox"]):not(.prop_toggle_btn):focus:not(:disabled),
pen-tool-popup .npp-row input:not([type="checkbox"]):not(.prop_toggle_btn):focus:not(:disabled),
ellipse-tool-popup .npp-row input:not([type="checkbox"]):not(.prop_toggle_btn):focus:not(:disabled) {
    border-color: var(--ui-accent);
}

/* =========================================
   Preferences Modal 专属样式 & 暗色图标过滤
   ========================================= */
.tree_content {
    min-width: 100%;
    width: 100%;
}
[data-theme="dark"] .tool_button img,
[data-theme="dark"] .lock_guideline_icon,
[data-theme="dark"] .lock_guideline_icon_unlocked,
[data-theme="dark"] .seq-bar-action-btn img,
[data-theme="dark"] .tree_lock_btn img,
[data-theme="dark"] .tree_hide_btn img,
[data-theme="dark"] .pref-color-reset-btn img {
    filter: invert(0.8);
}
.pref_modal_overlay {
    position: fixed; top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0, 0, 0, 0.4); backdrop-filter: blur(2px);
    display: flex; justify-content: center; align-items: center; z-index: 9999;
    opacity: 0; pointer-events: none; transition: opacity 0.2s ease;
}
.pref_modal_overlay.active { opacity: 1; pointer-events: auto; }
.pref_modal_container {
    width: 650px; height: 450px; background: var(--ui-bg-panel); border: 1px solid var(--ui-border);
    border-radius: 8px; box-shadow: 0 10px 30px rgba(0,0,0,0.3); display: flex; flex-direction: column; overflow: hidden; color: var(--ui-text-main);
}
.pref_modal_header {
    padding: 12px 16px; border-bottom: 1px solid var(--ui-border); display: flex;
    justify-content: space-between; align-items: center; font-weight: bold; background: var(--ui-bg-base);
}
.pref_close_btn { cursor: pointer; padding: 4px; border-radius: 4px; }
.pref_close_btn:hover { background: var(--ui-hover-bg); }
.pref_modal_body { display: flex; flex: 1; overflow: hidden; }
.pref_sidebar { width: 160px; border-right: 1px solid var(--ui-border); background: var(--ui-bg-base); padding: 8px 0; }
.pref_tab { padding: 8px 16px; cursor: pointer; font-size: 13px; border-left: 3px solid transparent; }
.pref_tab:hover { background: var(--ui-hover-bg); }
.pref_tab.active { background: var(--ui-active-bg); border-left-color: var(--ui-accent); font-weight: bold; }
.pref_content_area { flex: 1; padding: 16px; overflow-y: auto; background: var(--ui-bg-panel); }
.pref_section { display: none; }
.pref_section.active { display: block; }
.pref_row { display: flex; justify-content: space-between; align-items: center; padding: 8px 0; border-bottom: 1px solid var(--ui-divider); }
.pref_row:last-child { border-bottom: none; }
.pref_label { font-size: 13px; }
.color_picker_group { display: flex; align-items: center; gap: 6px; }
.color_picker_group input[type="color"] { width: 24px; height: 24px; padding: 0; border: 1px solid var(--ui-border); border-radius: 4px; cursor: pointer; background: transparent; }
.color_picker_group input[type="text"] { width: 140px; font-family: ui-monospace, monospace; font-size: 12px; padding: 4px 6px; border: 1px solid var(--ui-border); background: var(--ui-bg-base); color: var(--ui-text-main); border-radius: 4px; }
.theme_select { padding: 4px 8px; border: 1px solid var(--ui-border); background: var(--ui-bg-base); color: var(--ui-text-main); border-radius: 4px; outline: none; }
.pref_section_heading {
    margin: 20px 0 10px 0;
    border-bottom: 1px solid var(--ui-border);
    padding-bottom: 4px;
}
/* =========================================
   Logger Panel (Floating Console)
   ========================================= */
/* --- Logger 悬浮球新样式 --- */
.logger-scroll {
    flex: 1;
    min-height: 0;
    min-width: 0;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    background: var(--ui-bg-placeholder);
}
.input-wrapper {
    flex-shrink: 0;
    display: flex;
    padding: 0 6px 8px 6px;
}
.logger-output {
    flex: 1;
    padding: 8px 8px 8px 10px;
    font-family: ui-monospace, monospace;
    font-size: 12px;
    user-select: text;
    -webkit-user-select: text;
}
.log-entry {
    margin-bottom: 4px;
    word-break: break-all;
    line-height: 1.4;
    white-space: pre-wrap !important; /* 强制覆盖全局的 nowrap，使控制台允许换行 */
    user-select: text;
    -webkit-user-select: text;
}
.log-entry .log-msg {
    white-space: pre-wrap !important;
}
.log-time {
    color: var(--ui-text-muted);
    font-size: 11px;
    margin-right: 4px;
}
.log-info .log-msg { color: var(--ui-text-main); }
.log-warn .log-msg { color: #f59e0b; }
.log-error .log-msg { color: #ef4444; }
.log-system .log-msg { color: var(--ui-accent); font-weight: bold; }
.log-user .log-msg { color: #10b981; font-weight: bold; }
.log-command .log-msg { color: var(--ui-accent); }
.log-command .log-msg::after { content: ''; }
.log-history .log-msg { color: #8b5cf6; font-style: italic; }
.logger-input {
    flex: 1;
    border: none;
    border-top: 1px solid var(--ui-border);
    padding: 8px 12px;
    flex-shrink: 0;
    font-family: inherit;
    font-size: 13px;
    background: var(--ui-bg-panel);
    color: var(--ui-text-main);
    outline: none;
}
.logger-input:focus {
    box-shadow: inset 0 2px 4px rgba(0,0,0,0.02);
}

/* 新增: 输入框统一及美化样式 */
.pref_input, .logger-input, .custom-select-trigger, .color_picker_group input[type="text"] {
    font-family: inherit;
    font-size: 13px;
    padding: 6px 10px;
    border: 1px solid var(--ui-border);
    border-radius: 6px;
    background-color: var(--ui-bg-base);
    color: var(--ui-text-main);
    transition: all 0.2s ease;
    box-sizing: border-box;
    width: 100%;
}
/* 修复点：显式为 preference 中的文本框及自定义下拉框指定固定宽度，防止因前面的标签名长短不一导致它们错位 */
.pref_input, .custom-select-wrapper {
    width: 200px !important;
    flex: 0 0 200px;
}
/* 其他输入框需要占满父容器的保持 100% */
.logger-input, .color_picker_group input[type="text"] {
    width: 100%;
}
.pref_input:hover, .logger-input:hover, .custom-select-trigger:hover, .color_picker_group input[type="text"]:hover {
    border-color: var(--ui-border-light);
}
.pref_input:focus, .logger-input:focus, .color_picker_group input[type="text"]:focus, .custom-select-wrapper.open .custom-select-trigger {
    outline: none;
    border-color: var(--ui-accent);
    box-shadow: 0 0 0 2px var(--ui-accent-bg);
    background-color: var(--ui-bg-panel);
}
/* 新增: 自定义下拉选择框结构样式 */
.custom-select-wrapper {
    position: relative;
    user-select: none;
    width: 180px; 
}
.custom-select-trigger {
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    background-color: var(--ui-bg-base);
}
.custom-select-trigger svg {
    width: 16px; height: 16px;
    fill: currentColor;
    transition: transform 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}
.custom-select-wrapper.open .custom-select-trigger svg {
    transform: rotate(180deg);
}
.custom-select-options {
    position: absolute;
    top: calc(100% + 4px);
    left: 0; right: 0;
    background: var(--ui-bg-overlay);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: 1px solid var(--ui-border);
    border-radius: 6px;
    box-shadow: 0 4px 16px rgba(0,0,0,0.1);
    opacity: 0; pointer-events: none;
    transform: translateY(-8px);
    transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
    z-index: 1000;
    overflow: hidden;
}
.custom-select-wrapper.open .custom-select-options {
    opacity: 1; pointer-events: auto;
    transform: translateY(0);
}
.custom-option {
    padding: 8px 12px;
    font-size: 13px;
    cursor: pointer;
    color: var(--ui-text-main);
    transition: background 0.15s, color 0.15s;
}
.custom-option:hover {
    background: var(--ui-hover-bg);
}
.custom-option.selected {
    background: var(--ui-accent-bg);
    color: var(--ui-accent);
    font-weight: 600;
}
/* 新增: 弹窗操作按钮统一容器与样式 */
.pref_modal_actions {
    margin-top: auto;
    text-align: right;
    padding-top: 16px;
}
.pref_button_primary, .pref_button_secondary {
    padding: 6px 16px;
    border-radius: 6px;
    font-size: 13px;
    cursor: pointer;
    font-family: inherit;
    transition: all 0.2s ease;
    font-weight: 500;
}
.pref_button_primary {
    background: var(--ui-accent);
    color: var(--ui-accent-text);
    border: none;
}
.pref_button_primary:hover { background: var(--ui-accent-hover); }
.pref_button_secondary {
    background: var(--ui-bg-base);
    color: var(--ui-text-main);
    border: 1px solid var(--ui-border);
}
.pref_button_secondary:hover { background: var(--ui-hover-bg); border-color: var(--ui-border-light); }

/* Per-row color reset button in preferences popup */
preferences-popup .pref-color-reset-btn {
    width: 22px;
    height: 22px;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    border: 1px solid transparent;
    border-radius: 3px;
    background: transparent;
    cursor: pointer;
    color: var(--ui-text-muted);
    transition: all 0.15s ease;
}
preferences-popup .pref-color-reset-btn:hover {
    color: var(--ui-accent);
    background: var(--ui-accent-bg);
    border-color: var(--ui-accent);
}
preferences-popup .pref-color-reset-btn img {
    width: 12px;
    height: 12px;
    display: block;
}
/* 新增: 帮助弹窗分离 CSS 类 */
.help_modal_container { width: 500px; height: 380px; }
.help_modal_body { flex-direction: column; padding: 20px; }
.help_title { margin: 0 0 16px 0; color: var(--ui-text-main); }
.help_list { list-style: none; padding: 0; margin: 0; color: var(--ui-text-muted); font-size: 14px; line-height: 2; }
/* 修改: 确保日志终端文本可复制 */
.logger-output, .logger-input, .log-entry {
    user-select: text;
    cursor: text;
}

/* =========================================
   统一 Canvas 光标控制（从 JS 内联样式中解耦）
   ========================================= */
main-canvas[data-cursor="nwse-resize"] { cursor: nwse-resize !important; }
main-canvas[data-cursor="nesw-resize"] { cursor: nesw-resize !important; }
main-canvas[data-cursor="ns-resize"]   { cursor: ns-resize   !important; }
main-canvas[data-cursor="ew-resize"]   { cursor: ew-resize   !important; }
main-canvas[data-cursor="crosshair"]   { cursor: crosshair   !important; }
main-canvas[data-cursor="move"]        { cursor: move        !important; }
main-canvas[data-cursor="default"]     { cursor: default     !important; }

/* =========================================
   标尺指示器可见性（替代 JS 中 display:none/block）
   ========================================= */
.ruler-indicator-h.is-visible,
.ruler-indicator-v.is-visible {
    display: block;
}

/* =========================================
   SVG 标尺覆盖层（替代 JS 中内联 position/display）
   ========================================= */
.svg-ruler-overlay {
    position: absolute;
    top: 0;
    left: 0;
    display: block;
}

/* =========================================
   Dock 拖拽预览样式变体（从 JS 硬编码颜色解耦）
   ========================================= */
.dock-preview-merge {
    background: rgba(96, 165, 250, 0.2) !important;
    box-shadow: none !important;
}
.dock-preview-insert {
    background: #60a5fa !important;
    box-shadow: 0 0 6px rgba(96, 165, 250, 0.5) !important;
    border-radius: 0 !important;
}
.dock-preview-insert-merge {
    background: rgba(96, 165, 250, 0.2) !important;
    box-shadow: none !important;
}
/* Body resizing cursor */
body.is-resizing-h { cursor: ew-resize !important; }
body.is-resizing-v { cursor: ns-resize !important; }

/* =========================================
   Glyph 序列栏弹出层样式（从 JS 内联样式解耦）
   ========================================= */
.seq-bar-popup-grid {
    display: grid;
    grid-template-columns: 20px 20px 20px auto auto 20px;
    gap: 2px;
    padding: 4px;
    align-items: center;
}
.seq-bar-popup .is-locked {
    opacity: 0.4;
}

/* =========================================
   自定义光标系统（从 cursor.js 内联注入解耦）
   ========================================= */
:root {
    --cursor-outer-size: 32px;
    --cursor-hover-outer-size: 52px;
    --cursor-inner-size: 6px;
}

/* Large cursor preset */
.inkshader-cursor-container.cursor-large {
    --cursor-outer-size: 128px;
    --cursor-hover-outer-size: 205px;
    --cursor-inner-size: 6px;
}

/* Hide native cursor when custom cursor is active (default active classes) */
html.inkshader-cursor-active,
html.inkshader-cursor-active *,
html.custom-cursor-active,
html.custom-cursor-active * {
    cursor: none !important;
}

.inkshader-cursor-container {
    pointer-events: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 999999;
    opacity: 0;
    transition: opacity 0.35s ease;
    mix-blend-mode: difference;
}
.inkshader-cursor-container.is-visible { opacity: 1; }

.inkshader-cursor-outer-pos,
.inkshader-cursor-inner-pos {
    position: fixed;
    top: 0;
    left: 0;
    pointer-events: none;
    will-change: transform;
}

.inkshader-cursor-outer-visual {
    width: var(--cursor-outer-size);
    height: var(--cursor-outer-size);
    border-radius: 50%;
    border: 1px solid rgba(255, 255, 255, 0.45);
    background-color: transparent;
    transform: translate(-50%, -50%);
    transition: width 0.25s cubic-bezier(0.16, 1, 0.3, 1),
                height 0.25s cubic-bezier(0.16, 1, 0.3, 1),
                border-color 0.25s ease, background-color 0.25s ease;
    box-sizing: border-box;
}

.inkshader-cursor-inner-visual {
    position: relative;
    width: var(--cursor-inner-size);
    height: var(--cursor-inner-size);
    border-radius: 50%;
    background-color: #ffffff;
    transform: translate(-50%, -50%) scale(1);
    transition: transform 0.15s cubic-bezier(0.16, 1, 0.3, 1),
                width 0.18s cubic-bezier(0.16, 1, 0.3, 1),
                height 0.18s cubic-bezier(0.16, 1, 0.3, 1),
                border-radius 0.18s ease, background-color 0.15s ease,
                border-color 0.15s ease, opacity 0.15s ease;
    box-sizing: border-box;
}

.inkshader-cursor-inner-visual::before,
.inkshader-cursor-inner-visual::after {
    content: "";
    position: absolute;
    opacity: 0;
    transition: opacity 0.12s ease;
    pointer-events: none;
    box-sizing: border-box;
}

.inkshader-cursor-container.is-hovered .inkshader-cursor-outer-visual {
    width: var(--cursor-hover-outer-size);
    height: var(--cursor-hover-outer-size);
    border-color: rgba(255, 255, 255, 0.65);
}
.inkshader-cursor-container.is-hovered .inkshader-cursor-inner-visual {
    transform: translate(-50%, -50%) scale(0.4);
}

.inkshader-cursor-container.is-text .inkshader-cursor-inner-visual {
    width: 1px;
    height: 18px;
    border-radius: 0px;
    transform: translate(-50%, -50%);
}

.inkshader-cursor-container.is-resize-horizontal .inkshader-cursor-inner-visual {
    width: 14px;
    height: 1.5px;
    border-radius: 0px;
}
.inkshader-cursor-container.is-resize-horizontal .inkshader-cursor-inner-visual::before {
    opacity: 1; left: -4px; top: -3.25px;
    border-right: 5px solid #ffffff; border-top: 4px solid transparent; border-bottom: 4px solid transparent;
}
.inkshader-cursor-container.is-resize-horizontal .inkshader-cursor-inner-visual::after {
    opacity: 1; right: -4px; top: -3.25px;
    border-left: 5px solid #ffffff; border-top: 4px solid transparent; border-bottom: 4px solid transparent;
}

.inkshader-cursor-container.is-resize-vertical .inkshader-cursor-inner-visual {
    width: 1.5px;
    height: 14px;
    border-radius: 0px;
}
.inkshader-cursor-container.is-resize-vertical .inkshader-cursor-inner-visual::before {
    opacity: 1; top: -4px; left: -3.25px;
    border-bottom: 5px solid #ffffff; border-left: 4px solid transparent; border-right: 4px solid transparent;
}
.inkshader-cursor-container.is-resize-vertical .inkshader-cursor-inner-visual::after {
    opacity: 1; bottom: -4px; left: -3.25px;
    border-top: 5px solid #ffffff; border-left: 4px solid transparent; border-right: 4px solid transparent;
}

.inkshader-cursor-container.is-resize-diagonal-1 .inkshader-cursor-inner-visual {
    width: 14px; height: 1.5px; border-radius: 0px;
    transform: translate(-50%, -50%) rotate(45deg);
}
.inkshader-cursor-container.is-resize-diagonal-1 .inkshader-cursor-inner-visual::before {
    opacity: 1; left: -4px; top: -3.25px;
    border-right: 5px solid #ffffff; border-top: 4px solid transparent; border-bottom: 4px solid transparent;
}
.inkshader-cursor-container.is-resize-diagonal-1 .inkshader-cursor-inner-visual::after {
    opacity: 1; right: -4px; top: -3.25px;
    border-left: 5px solid #ffffff; border-top: 4px solid transparent; border-bottom: 4px solid transparent;
}

.inkshader-cursor-container.is-resize-diagonal-2 .inkshader-cursor-inner-visual {
    width: 14px; height: 1.5px; border-radius: 0px;
    transform: translate(-50%, -50%) rotate(-45deg);
}
.inkshader-cursor-container.is-resize-diagonal-2 .inkshader-cursor-inner-visual::before {
    opacity: 1; left: -4px; top: -3.25px;
    border-right: 5px solid #ffffff; border-top: 4px solid transparent; border-bottom: 4px solid transparent;
}
.inkshader-cursor-container.is-resize-diagonal-2 .inkshader-cursor-inner-visual::after {
    opacity: 1; right: -4px; top: -3.25px;
    border-left: 5px solid #ffffff; border-top: 4px solid transparent; border-bottom: 4px solid transparent;
}

.inkshader-cursor-container.is-crosshair .inkshader-cursor-inner-visual {
    width: 16px; height: 16px; background-color: transparent; border-radius: 0px;
}
.inkshader-cursor-container.is-crosshair .inkshader-cursor-inner-visual::before {
    opacity: 1; width: 16px; height: 1px; background-color: #ffffff; top: 7.5px; left: 0;
}
.inkshader-cursor-container.is-crosshair .inkshader-cursor-inner-visual::after {
    opacity: 1; width: 1px; height: 16px; background-color: #ffffff; top: 0; left: 7.5px;
}

.inkshader-cursor-container.is-move .inkshader-cursor-inner-visual {
    width: 4px; height: 4px; background-color: #ffffff; border-radius: 50%;
}
.inkshader-cursor-container.is-move .inkshader-cursor-inner-visual::before {
    opacity: 1; width: 14px; height: 1px; background-color: #ffffff; top: 1.5px; left: -5px;
}
.inkshader-cursor-container.is-move .inkshader-cursor-inner-visual::after {
    opacity: 1; width: 1px; height: 14px; background-color: #ffffff; top: -5px; left: 1.5px;
}

.inkshader-cursor-container.is-not-allowed .inkshader-cursor-inner-visual {
    width: 16px; height: 1.5px; background-color: #ffffff; border-radius: 0px;
    transform: translate(-50%, -50%) rotate(-45deg);
}

.inkshader-cursor-container.is-loading .inkshader-cursor-outer-visual {
    border-color: rgba(255, 255, 255, 0.15);
    border-top-color: #ffffff;
    animation: inkshader-spin 0.75s linear infinite;
}
.inkshader-cursor-container.is-loading .inkshader-cursor-inner-visual {
    transform: translate(-50%, -50%) scale(0.4);
    opacity: 0.4;
}

@keyframes inkshader-spin {
    from { transform: translate(-50%, -50%) rotate(0deg); }
    to { transform: translate(-50%, -50%) rotate(360deg); }
}