:root{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Noto Sans SC,Microsoft YaHei,Helvetica,Arial,sans-serif;color:#1f2328;background:#f6f8fa;font-synthesis:none;--line: #d0d7de;--line-strong: #8c959f;--surface: #ffffff;--surface-muted: #f6f8fa;--ink: #1f2328;--ink-muted: #656d76;--ink-faint: #8c959f;--primary: #0969da;--primary-dark: #0550ae;--blue: #0969da;--amber: #9a6700;--green: #1f883d;--red: #cf222e;--nav: #24292f;--success-bg: #dafbe1;--warning-bg: #fff8c5;--danger-bg: #ffebe9;--focus: 0 0 0 3px rgba(9, 105, 218, .3);--button-shadow: 0 1px 0 rgba(27, 31, 36, .04)}*{box-sizing:border-box}html,body,#root{min-width:320px;min-height:100%;margin:0}body{min-height:100vh;overflow:hidden;color:var(--ink);background:var(--surface-muted)}button,input,textarea,select{font:inherit}button,select{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.55}a{color:inherit;text-decoration:none}button,a,input,textarea,select{transition:color .15s,background-color .15s,border-color 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var(--line);border-radius:6px;color:var(--primary);background:#fff}.material-copy,.material-meta{min-width:0;display:grid;gap:2px}.material-copy strong{overflow:hidden;font-size:12px;font-weight:600;text-overflow:ellipsis;white-space:nowrap}.material-copy small{overflow:hidden;color:var(--ink-muted);font:10px ui-monospace,SFMono-Regular,Consolas,monospace;text-overflow:ellipsis;white-space:nowrap}.material-meta{color:var(--ink-muted);font-size:11px;text-align:right}.material-meta small{color:var(--ink-faint);font-size:10px}.empty-materials{min-height:150px;display:grid;align-content:center;justify-items:center;gap:6px;color:var(--ink-muted);border:1px dashed var(--line-strong);border-radius:6px;background:var(--surface-muted)}.empty-materials strong{color:var(--ink);font-size:12px}.empty-materials small{max-width:52ch;font-size:11px;text-align:center}.hidden-input{display:none}.editor-footer{min-height:60px;display:grid;grid-template-columns:auto 1fr 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var(--line);background:var(--surface-muted)}.tree-root>svg{flex:0 0 auto;color:#bf8700}.tree-root>span{min-width:0;display:grid;gap:2px}.tree-root strong{overflow:hidden;color:var(--primary);font:600 12px ui-monospace,SFMono-Regular,Consolas,monospace;text-overflow:ellipsis;white-space:nowrap}.tree-root small{color:var(--ink-muted);font-size:10px}.tree-content{max-height:550px;min-height:160px;overflow-x:hidden;overflow-y:auto;padding:6px 5px 10px}.tree-node{width:100%;min-height:30px;display:grid;grid-template-columns:auto 14px 17px minmax(0,1fr) auto;align-items:center;gap:4px;padding:3px 7px;border:0;border-radius:6px;color:var(--ink);text-align:left;background:transparent;font-size:11px}.tree-node:hover{background:var(--surface-muted)}.tree-indent{height:1px;display:block;transition:width .15s}.tree-folder-node>svg:nth-of-type(1){color:var(--ink-muted)}.tree-folder-node>svg:nth-of-type(2){color:#54aeff;fill:#54aeff;fill-opacity:.18}.tree-file-node{grid-template-columns:auto 17px minmax(0,1fr) auto}.tree-file-node>svg{color:var(--ink-muted)}.tree-file-node .generated-icon{color:var(--primary)}.tree-node-name{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.tree-node>i{padding:1px 4px;color:var(--ink-muted);border:1px solid var(--line);border-radius:6px;background:var(--surface-muted);font-size:9px;font-style:normal}.tree-file-node{color:var(--primary)}.tree-file-node:hover{color:var(--primary-dark);background:#ddf4ff}.tree-file-node.just-added{overflow:hidden;transform-origin:right center;animation:file-slot-arrive .9s ease-out both}.tree-empty-state{min-height:142px;display:grid;align-content:center;justify-items:center;gap:6px;padding:18px;color:var(--ink-muted);text-align:center}.tree-empty-state strong{color:var(--ink);font-size:12px}.tree-empty-state small{max-width:28ch;font-size:11px;line-height:1.5}.activity-panel{margin-top:16px;padding-top:14px;border-top:1px solid var(--line)}.activity-panel>header{display:flex;align-items:center;gap:6px;color:var(--ink);font-size:12px}.activity-panel>div{display:grid;gap:7px;margin-top:9px}.activity-panel article{display:grid;grid-template-columns:26px minmax(0,1fr);align-items:start;gap:8px}.activity-panel article>span{width:25px;height:25px;display:grid;place-items:center;border-radius:50%;color:#fff;background:#57606a;font-size:9px;font-weight:600}.activity-panel p{margin:0;color:var(--ink-muted);font-size:10px;line-height:1.5}.activity-panel p strong{margin-right:4px;color:var(--ink)}.activity-panel p small{display:block;color:var(--ink-faint);font-size:9px}@keyframes 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