:root{--font-family: "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;--font-size-base: 14px;--bg-primary: #f7f8fa;--bg-secondary: #ffffff;--bg-tertiary: #eef1f5;--bg-elevated: #ffffff;--bg-hover: #e8f1fb;--bg-active: #d9eafa;--bg-selected: #d8ebff;--border-color: #d5dbe3;--border-strong: #b9c2cf;--text-primary: #202733;--text-secondary: #627083;--text-muted: #8a96a8;--text-bright: #111827;--accent-blue: #1677ff;--accent-blue-hover: #0958d9;--accent-blue-soft: #e6f4ff;--success-color: #1f9d55;--error-color: #d93025;--warning-color: #d48806;--shadow-menu: 0 10px 28px rgba(15, 23, 42, .16);--shadow-panel: 0 18px 48px rgba(15, 23, 42, .18);--radius-small: 4px;--radius-medium: 6px;--radius-large: 8px;--toolbar-height: 34px;--sidebar-width: 270px;--properties-width: 330px;--status-bar-height: 28px;--status-bar-bg: #eef1f5;--status-bar-text: #334155}.theme-dark{--bg-primary: #1e1f22;--bg-secondary: #25272b;--bg-tertiary: #2d3036;--bg-elevated: #2a2d33;--bg-hover: #353944;--bg-active: #3b4352;--bg-selected: #26374d;--border-color: #3e4653;--border-strong: #566173;--text-primary: #d9dee7;--text-secondary: #aab3c2;--text-muted: #818b9c;--text-bright: #ffffff;--accent-blue: #4096ff;--accent-blue-hover: #69b1ff;--accent-blue-soft: #172c45;--success-color: #49aa19;--error-color: #ff7875;--warning-color: #ffc069;--shadow-menu: 0 14px 34px rgba(0, 0, 0, .48);--shadow-panel: 0 18px 52px rgba(0, 0, 0, .52);--status-bar-bg: #20242b;--status-bar-text: 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8px;background-color:var(--bg-secondary);box-sizing:border-box;-webkit-user-select:none;user-select:none;z-index:501}.menu-item{position:relative;height:28px;display:flex;align-items:center;padding:0 12px;border:1px solid transparent;border-radius:var(--radius-small);color:var(--text-primary);font-size:13px;line-height:28px;cursor:pointer;box-sizing:border-box}.menu-item:hover,.menu-item.active{background-color:var(--bg-hover);border-color:var(--border-color);color:var(--text-bright)}.menu-item.active{background-color:var(--bg-active);border-color:var(--accent-blue)}.dropdown-menu{position:absolute;top:calc(100% + 3px);left:0;z-index:900;min-width:190px;padding:5px;border:1px solid var(--border-color);border-radius:var(--radius-medium);background-color:var(--bg-elevated);box-shadow:var(--shadow-menu);box-sizing:border-box}.dropdown-item,.dropdown-header{width:100%;height:30px;display:flex;align-items:center;box-sizing:border-box;border:0;background:transparent;font-family:inherit;text-align:left;white-space:nowrap}.dropdown-item{position:relative;justify-content:space-between;padding:0 28px 0 10px;border-radius:var(--radius-small);color:var(--text-primary);cursor:pointer}.dropdown-item:hover{background-color:var(--bg-hover);color:var(--text-bright)}.dropdown-item.checked:after{content:"✓";position:absolute;right:10px;color:var(--accent-blue);font-weight:700}.dropdown-header{padding:0 10px;color:var(--text-muted);font-size:12px;font-weight:600}.divider{height:1px;margin:5px 4px;background-color:var(--border-color)}.hidden-file-input{display:none}.main-content{display:flex;flex:1;min-height:0;overflow:hidden;position:relative;border-top:1px solid var(--border-color);box-sizing:border-box}.viewer-container{flex:1;display:flex;flex-direction:column;min-width:0;min-height:0;overflow:hidden;position:relative}.sidebar,.properties-panel{display:flex;flex-direction:column;height:100%;flex-shrink:0;z-index:200;background-color:var(--bg-secondary)}.sidebar{width:var(--sidebar-width);border-right:1px solid var(--border-color)}.properties-panel{width:var(--properties-width);border-left:1px solid var(--border-color)}.sidebar-header,.properties-header{height:34px;flex-shrink:0;display:flex;align-items:center;padding:0 12px;border-bottom:1px solid var(--border-color);background-color:var(--bg-tertiary);color:var(--text-secondary);font-size:13px;font-weight:600}.sidebar-content,.properties-content{flex:1;overflow-y:auto;scrollbar-width:thin}.properties-content{padding:4px 0}.layer-row,.entity-row{display:flex;align-items:center;box-sizing:border-box;cursor:pointer;color:var(--text-primary)}.layer-row{height:30px;padding:0 8px;font-size:13px}.entity-row{height:28px;padding:0 8px 0 28px;color:var(--text-secondary);font-size:12px}.layer-row:hover,.entity-row:hover,.property-row:hover{background-color:var(--bg-hover)}.entity-row:hover{color:var(--text-primary)}.entity-row.selected{background-color:var(--bg-selected);color:var(--accent-blue)}.theme-dark .entity-row.selected{color:var(--text-bright)}.chevron{width:12px;height:12px;margin-right:5px;color:var(--text-secondary);transition:transform .12s ease}.chevron.expanded{transform:rotate(90deg)}.layer-icon{width:11px;height:11px;margin-right:7px;border:1px solid rgba(0,0,0,.18);border-radius:2px;box-sizing:border-box}.theme-dark .layer-icon{border-color:#ffffff3d}.layer-name,.entity-name{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:100%}.layer-count{margin-left:8px;color:var(--text-muted);font-size:11px}.entity-icon{width:16px;margin-right:7px;color:var(--text-muted);font-family:Consolas,Cascadia Mono,monospace;font-size:10px;text-align:center}.properties-table{width:100%;border-collapse:collapse}.property-row{border-bottom:1px solid var(--border-color)}.property-label-cell,.property-value-cell{padding:6px 12px;font-size:12px;vertical-align:top}.property-label-cell{width:40%;color:var(--text-secondary)}.property-value-cell{color:var(--text-primary);word-break:break-word}.color-preview-container{display:flex;align-items:center;gap:7px}.color-swatch{width:13px;height:13px;border:1px solid rgba(0,0,0,.16);border-radius:2px;box-sizing:border-box}.canvas-container{flex:1;position:relative;overflow:hidden;-webkit-user-select:none;user-select:none;cursor:default!important;background-color:var(--canvas-bg, #212121)}.canvas-container canvas{display:block;width:100%;height:100%;margin:0;padding:0}.status-bar{height:var(--status-bar-height);flex-shrink:0;display:flex;align-items:center;padding:0 12px;box-sizing:border-box;border-top:1px solid var(--border-color);background-color:var(--status-bar-bg);color:var(--status-bar-text);font-size:12px;line-height:1;z-index:1000}.status-left,.status-center,.status-right{display:flex;align-items:center;min-width:0}.status-left{flex:1;justify-content:flex-start}.status-center{flex:1.6;justify-content:center;color:var(--text-secondary)}.status-right{flex:.7;justify-content:flex-end}.status-coords,.status-summary,.status-selection{display:flex;align-items:center;gap:14px;min-width:0}.status-value{margin-left:2px;color:var(--text-bright);font-family:Consolas,Cascadia Mono,monospace}.loading-overlay{position:absolute;top:0;right:0;bottom:0;left:0;z-index:2100;display:flex;align-items:center;justify-content:center;pointer-events:none;background-color:#f7f8fab8;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px)}.theme-dark .loading-overlay{background-color:#101216b8}.loading-inline{width:min(360px,calc(100vw - 80px));display:flex;flex-direction:column;align-items:center;gap:10px;color:var(--text-primary);text-align:center}.loading-title{font-size:17px;font-weight:600;color:var(--text-bright)}.loading-file{width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:14px;color:var(--text-secondary)}.loading-progressbar{width:min(320px,100%);height:6px;overflow:hidden;border-radius:999px;background-color:var(--bg-tertiary);border:1px solid var(--border-color)}.loading-progressbar-value{height:100%;border-radius:inherit;background-color:var(--accent-blue);transition:width .16s ease-out}.loading-progress-text{font-family:Consolas,Cascadia Mono,monospace;font-size:13px;color:var(--text-secondary)}.toast-container{position:absolute;top:12px;left:50%;transform:translate(-50%);z-index:2200;display:flex;flex-direction:column;gap:10px}.toast{min-width:280px;max-width:min(520px,calc(100vw - 40px));min-height:42px;box-sizing:border-box;display:flex;align-items:center;gap:12px;padding:10px 12px 10px 14px;border:1px solid var(--border-color);border-left:4px solid var(--error-color);border-radius:var(--radius-medium);background-color:var(--bg-elevated);color:var(--text-primary);box-shadow:var(--shadow-panel);animation:toastIn .16s ease-out}.toast.success{border-left-color:var(--success-color)}.toast-message{flex:1;min-width:0;color:var(--text-primary);font-size:13px;line-height:1.5;word-break:break-word}.toast-close{width:22px;height:22px;flex-shrink:0;display:flex;align-items:center;justify-content:center;border-radius:var(--radius-small);color:var(--text-secondary);cursor:pointer;font-size:18px;line-height:1}.toast-close:hover{background-color:var(--bg-hover);color:var(--text-bright)}@keyframes toastIn{0%{transform:translateY(-8px);opacity:0}to{transform:translateY(0);opacity:1}}.viewer-error-panel{position:absolute;z-index:30;left:50%;top:44%;width:min(560px,calc(100% - 56px));transform:translate(-50%,-50%);box-sizing:border-box;padding:20px 22px;border:1px solid var(--border-color);border-radius:var(--radius-large);background:var(--bg-elevated);color:var(--text-primary);box-shadow:var(--shadow-panel)}.viewer-error-title{margin-bottom:10px;color:var(--text-bright);font-size:16px;font-weight:700}.viewer-error-message{color:var(--text-secondary);line-height:1.65;white-space:pre-wrap;word-break:break-word}.viewer-error-button{height:32px;margin-top:16px;margin-right:8px;padding:0 14px;border:1px solid var(--border-color);border-radius:var(--radius-small);background:var(--bg-secondary);color:var(--text-primary);cursor:pointer}.viewer-error-button:hover{border-color:var(--accent-blue);background:var(--accent-blue-soft);color:var(--text-bright)}::-webkit-scrollbar{width:10px;height:10px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{border:2px solid transparent;border-radius:999px;background-color:#64748b73;background-clip:content-box}::-webkit-scrollbar-thumb:hover{background-color:#64748bb8}*{scrollbar-width:thin;scrollbar-color:rgba(100,116,139,.55) transparent}.app-main-container{width:100vw;height:100vh;display:flex;flex-direction:column;background-color:var(--bg-primary, #f0f0f0);overflow:hidden}.tabs-container{display:flex;align-items:center;min-height:32px;background-color:var(--bg-secondary, #f3f3f3);color:var(--text-primary, #333333);border-bottom:1px solid var(--border-color, #cccccc);-webkit-user-select:none;user-select:none;white-space:nowrap;position:relative;z-index:450}.tabs-scroll-viewport{flex:1;min-width:0;height:32px;display:flex;align-items:center;overflow-x:auto;overflow-y:hidden;scrollbar-width:none;-ms-overflow-style:none}.theme-dark .tabs-container{background-color:var(--bg-secondary, #252526);color:var(--text-primary, #cccccc)}.tabs-scroll-viewport::-webkit-scrollbar{display:none}.tab-item{display:flex;align-items:center;min-width:96px;max-width:220px;height:32px;padding:0 10px 0 12px;background-color:var(--bg-tertiary, #eeeeee);border-right:1px solid var(--border-color, #cccccc);border-top:2px solid transparent;box-sizing:border-box;cursor:pointer;flex-shrink:0}.tab-item:hover{background-color:var(--bg-hover, #e5e5e5)}.tab-item.active{background-color:var(--bg-primary, #ffffff);color:var(--text-bright, #000000);border-top-color:var(--accent-blue, #007acc)}.theme-dark .tab-item{background-color:var(--bg-tertiary, #2d2d2d)}.theme-dark .tab-item:hover{background-color:var(--bg-hover, #37373d)}.theme-dark .tab-item.active{background-color:var(--bg-primary, #1e1e1e);color:var(--text-bright, #ffffff)}.tab-name{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;flex:1;font-size:13px}.tab-close{display:flex;align-items:center;justify-content:center;width:18px;height:18px;margin-left:8px;border-radius:2px;line-height:1;opacity:.72}.tab-close:hover{background-color:#00000014;opacity:1}.theme-dark .tab-close:hover{background-color:#ffffff29}.tab-context-menu{position:fixed;min-width:148px;padding:4px 0;background-color:var(--bg-primary, #ffffff);color:var(--text-primary, #333333);border:1px solid var(--border-color, #cccccc);box-shadow:0 8px 24px #00000029;z-index:3000}.theme-dark .tab-context-menu{background-color:var(--bg-secondary, #252526);color:var(--text-primary, #cccccc);box-shadow:0 8px 24px #0000006b}.tab-context-menu button{display:block;width:100%;height:30px;padding:0 14px;border:0;background:transparent;color:inherit;text-align:left;font-size:13px;cursor:pointer}.tab-context-menu button:hover{background-color:var(--accent-blue, #007acc);color:#fff}.tab-context-divider{height:1px;margin:4px 0;background-color:var(--border-color, #cccccc)}.tabs-content{flex:1;position:relative;min-height:0;background-color:var(--canvas-bg, #212121)}.tab-viewer-host{position:absolute;top:0;right:0;bottom:0;left:0}.tabs-container.compact .tab-item{min-width:78px;max-width:168px;padding-left:10px;padding-right:8px}.tabs-container.dense .tab-item{min-width:56px;max-width:128px;padding-left:8px;padding-right:6px}.tabs-container.dense .tab-close{margin-left:4px}.tab-scroll-button{width:26px;height:32px;border:0;border-right:1px solid var(--border-color, #cccccc);background:var(--bg-secondary, #f3f3f3);color:var(--text-secondary, #666666);cursor:pointer;flex-shrink:0;display:flex;align-items:center;justify-content:center}.tab-scroll-button:last-child{border-right:0;border-left:1px solid var(--border-color, #cccccc)}.tab-scroll-button:hover{background:var(--bg-hover, #e5e5e5);color:var(--text-primary, #333333)}.theme-dark .tab-scroll-button{background:var(--bg-secondary, #252526);color:var(--text-secondary, #969696)}.theme-dark .tab-scroll-button:hover{background:var(--bg-hover, #37373d);color:var(--text-bright, #ffffff)}.menu-tab-strip .tabs-container{height:100%;min-height:0;border-bottom:0;background-color:transparent}.menu-tab-strip .tabs-scroll-viewport,.menu-tab-strip .tab-item,.menu-tab-strip .tab-scroll-button{height:100%}.menu-tab-strip .tab-context-menu{height:auto}.app-toast-container{position:absolute;top:12px;left:50%;transform:translate(-50%);z-index:5000}html,body,#root{width:100%;height:100%;margin:0}body{overflow:hidden;font-family:Microsoft YaHei,微软雅黑,Arial,sans-serif}