*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,sans-serif;overflow:hidden}#app{display:flex;flex-direction:column;height:100vh;padding-top:var(--top-menu-height, 129px)}#top-menu{z-index:var(--z-top-menu);overflow:visible;position:fixed;top:0;left:0;right:0;display:flex;flex-direction:column;flex:0 0 auto;min-width:0}.ribbon-tabs{display:flex;align-items:center;gap:0;padding:0 12px;height:32px;flex-shrink:0;min-width:0;overflow-x:auto;overflow-y:hidden;scrollbar-width:thin}.ribbon-tabs .brand{font-size:15px;font-weight:600;margin-right:14px;white-space:nowrap;-webkit-user-select:none;user-select:none;flex:0 0 auto}.ribbon-tab{padding:6px 16px;font-size:12px;cursor:pointer;border:none;background:none;border-bottom:2px solid transparent;transition:all .15s;white-space:nowrap;font-family:inherit;flex:0 0 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New,monospace;color:var(--ui-accent)}#part-info-panel{position:absolute;bottom:20px;right:20px;padding:15px 20px;border-radius:8px;min-width:200px;z-index:var(--z-part-info)}#part-info-panel h3{margin:0 0 10px;font-size:14px;text-transform:uppercase;letter-spacing:1px}#part-info-panel .info-row{display:flex;justify-content:space-between;margin-bottom:8px;font-size:13px}#part-info-panel .value{font-weight:500}#part-info-panel .unit{font-size:11px;margin-left:4px}#loading{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);padding:20px 40px;border-radius:8px;font-size:18px;z-index:var(--z-loading)}.hidden{display:none}.part-list{max-height:250px;overflow-y:auto;border-radius:4px;padding:5px}.part-list-controls{margin-bottom:10px;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:6px}.part-list-controls button{min-width:0;padding:5px 8px;font-size:11px;text-align:center}.part-item{display:flex;align-items:center;padding:5px;cursor:pointer;border-bottom:1px solid 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520px}body{background:var(--ui-bg);color:var(--ui-text)}#top-menu{background:var(--ui-surface);color:var(--ui-text);border-bottom:1px solid var(--ui-border);box-shadow:none}.ribbon-tabs{height:38px;padding:0 12px;gap:2px;background:#fff;border-bottom:1px solid var(--ui-border);scrollbar-color:#c8c8c8 transparent}.ribbon-tabs .brand{color:var(--ui-text);font-size:15px;font-weight:700;margin-right:16px;padding-right:16px;border-right:1px solid var(--ui-border)}.ribbon-tab{height:38px;padding:0 13px;color:var(--ui-muted);border-bottom:2px solid transparent;border-radius:0;font-weight:500}.ribbon-tab:hover{color:var(--ui-text);background:#f4f4f4}.ribbon-tab.active{color:var(--ui-accent);background:#fff;border-bottom-color:var(--ui-accent);box-shadow:none}.ribbon-panels{min-height:42px;background:#f7f7f7;border-top:none;border-bottom:1px solid var(--ui-border);overflow:visible;scrollbar-color:#c8c8c8 transparent}.ribbon-panel{padding:6px 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rgba(23,128,181,.45);outline-offset:2px}.dropdown-content{min-width:160px;color:var(--ui-text);background:var(--ui-surface);border:1px solid var(--ui-border);border-radius:3px;box-shadow:0 8px 18px #00000029}.dropdown-content button{color:var(--ui-text);background:transparent;border-bottom:1px solid #eeeeee}.dropdown-content button:hover{background:var(--ui-accent-soft);border-color:#d9edf7;box-shadow:none}#main-content{background:var(--viewer-bg)}#sidebar{color:var(--ui-text);background:var(--panel-bg);border-right:1px solid var(--ui-border);box-shadow:none;padding:0}.section h2{color:var(--ui-text);font-size:13px;letter-spacing:0;text-transform:none}#sidebar .section{margin-bottom:0;padding:12px;border-bottom:1px solid var(--ui-border)}#sidebar button{color:var(--ui-text);background:#fff;border-color:var(--ui-border);box-shadow:none}#sidebar button:hover{color:var(--ui-text);background:var(--ui-accent-soft);border-color:var(--ui-border-strong);box-shadow:none}#sidebar-resizer{width:6px;flex-basis:6px;background:#eee;border-left:1px solid #ffffff;border-right:1px solid var(--ui-border)}#sidebar-resizer:after{height:44px;border-left-color:#5a5a5a52;border-right-color:#ffffffe6}body.sidebar-resizing #sidebar-resizer{background:#d9edf7}#viewer-container{background:var(--viewer-bg);box-shadow:inset 0 0 0 1px #eee}.node-tree{color:var(--ui-text);background:var(--ui-surface-soft);border:1px solid var(--ui-border);border-radius:3px}.info{padding:10px}.info p{margin-bottom:6px;color:var(--ui-muted)}.info p:last-child{margin-bottom:0}.node-tree{padding:5px;background:var(--ui-surface)}.node-item{min-height:30px;color:var(--ui-text);border:1px solid transparent;background:transparent}.node-item:hover{background:#f1f7fb;border-color:#d8edf7}.node-item.selected{color:#fff;background:var(--ui-accent);border-color:var(--ui-accent-strong);box-shadow:none}.node-item.selected .node-icon{background:#ffffff2e}.node-item.selected .node-meta{color:#ffffffc7;opacity:1}.node-children{border-left-color:var(--ui-border)}.node-toggle{color:var(--ui-subtle)}.node-toggle:hover{color:var(--ui-text);background:#eee}.node-visibility:hover{background:#eee}.node-name{color:inherit}.node-meta{color:var(--ui-muted)}.measure-tools button.active,.viewer-tool-button.active{color:#fff;background:var(--ui-accent);border-color:var(--ui-accent-strong)}.viewer-status-strip{position:absolute;left:18px;bottom:20px;z-index:var(--z-viewer-status);display:flex;align-items:center;gap:12px;max-width:min(720px,calc(100% - 32px));min-height:36px;padding:7px 8px 7px 12px;color:var(--ui-text);background:#ffffffeb;border:1px solid var(--ui-border);border-radius:6px;box-shadow:0 10px 24px #0000001f;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);pointer-events:none}.viewer-status-strip>div{display:flex;align-items:baseline;gap:8px;min-width:0}.viewer-status-strip strong{flex:0 0 auto;font-size:13px;color:var(--ui-text)}.viewer-status-strip span{min-width:0;overflow:hidden;color:var(--ui-muted);font-size:12px;text-overflow:ellipsis;white-space:nowrap}.viewer-status-clear{flex:0 0 auto;height:24px;padding:0 8px;font-size:12px;pointer-events:auto}.command-notice{position:absolute;right:18px;bottom:20px;z-index:var(--z-command-notice);max-width:min(360px,calc(100% - 36px));padding:8px 12px;color:var(--ui-text);background:#fffffff0;border:1px solid var(--ui-border);border-radius:6px;box-shadow:0 10px 24px #0000001f;font-size:12px;white-space:nowrap}@media(max-width:720px){.viewer-status-strip{left:12px;right:12px;bottom:68px;align-items:stretch;flex-direction:column;gap:6px;max-width:none}.viewer-status-strip>div{display:block}.viewer-status-strip span{display:block;margin-top:2px}.viewer-status-clear{width:100%}.command-notice{right:12px;bottom:68px}.viewer-explode-slider{bottom:112px;width:calc(100% - 24px)}}#part-info-panel{color:var(--ui-text);background:#fffffff5;border:1px solid var(--ui-border);border-radius:4px;box-shadow:0 8px 20px #00000024;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}#part-info-panel h3{color:var(--ui-accent-strong)}#part-info-panel .label{color:var(--ui-muted)}#part-info-panel .value{color:var(--ui-text)}#part-info-panel .unit{color:var(--ui-muted)}#loading{color:var(--ui-text);background:#fffffff2;border:1px solid var(--ui-border);border-radius:4px;box-shadow:0 8px 20px #00000024}input[type=range]{accent-color:var(--ui-accent)}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:#63738173;border-radius:999px}::-webkit-scrollbar-thumb:hover{background:#637381b3}#sidebar .part-list-controls button{background:transparent;border-color:transparent;color:var(--ui-muted)}#sidebar .part-list-controls button:hover{background:var(--ui-accent-soft);border-color:transparent;color:var(--ui-text)}.section-toggle{display:flex;align-items:center;justify-content:space-between;cursor:pointer;-webkit-user-select:none;user-select:none}.section-toggle:focus-visible{outline:2px solid rgba(23,128,181,.45);outline-offset:2px}.section-chevron{font-size:10px;color:var(--ui-subtle)}.sidebar-toggle{display:none;position:absolute;top:var(--space-2);left:var(--space-2);z-index:var(--z-sidebar-resizer);width:32px;height:32px;padding:0;font-size:15px;line-height:1;align-items:center;justify-content:center;border-radius:var(--radius-md)}@media(max-width:960px){#main-content{position:relative}#sidebar{position:absolute;top:0;bottom:0;left:0;z-index:var(--z-dropdown);transform:translate(-100%);transition:transform .2s ease}#sidebar.is-open{transform:translate(0);box-shadow:var(--shadow-lg)}#sidebar-resizer{display:none}.sidebar-toggle{display:inline-flex}}.app-shell[data-v-1136a1a3]{display:contents}