.folder-tree{border:1px solid #ddd;border-radius:4px;padding:8px;max-height:400px;overflow-y:auto;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;font-size:14px}.tree-root{width:100%}.tree-node{margin:2px 0}.tree-node-row{display:flex;align-items:center;gap:4px;padding:4px 0}.tree-toggle{background:none;border:none;padding:0;cursor:pointer;width:20px;height:20px;display:flex;align-items:center;justify-content:center;font-size:12px;color:#666}.tree-toggle:disabled{opacity:.5;cursor:wait}.tree-toggle-placeholder{width:20px}.tree-label{flex:1;padding:2px 4px;border-radius:3px;-webkit-user-select:none;user-select:none}.tree-label.selectable{cursor:pointer;color:#e94560}.tree-label.selectable:hover{background-color:#fff0f2;text-decoration:underline}.tree-label.selectable:focus{outline:2px solid #e94560;outline-offset:-2px}.tree-children{margin-left:0}.tree-empty{color:#999;padding:16px;text-align:center}.hub-project-selector{position:relative;display:inline-block}.hub-project-button{padding:6px 8px;background:#0f3460;color:#e0e0e0;border:1px solid #e94560;border-radius:4px;cursor:pointer;font-size:14px;text-align:left;transition:background-color .2s}.hub-project-button:hover{background:#1a3f5f}.hub-project-popover{position:absolute;top:calc(100% + 4px);left:0;background:#fff;border:1px solid #ddd;border-radius:4px;box-shadow:0 2px 8px #00000026;z-index:1000;min-width:280px;max-height:350px;overflow-y:auto;padding:8px 0}.hub-project-popover h4{margin:0 0 4px;padding:4px 12px;font-size:11px;text-transform:uppercase;color:#888;letter-spacing:.5px}.hub-project-list{list-style:none;margin:0;padding:0}.hub-project-list li{padding:8px 12px;cursor:pointer;font-size:14px;color:#333;transition:background-color .15s}.hub-project-list li:hover{background:#f0f4ff}.hub-project-back{padding:6px 12px;font-size:12px;color:#e94560;cursor:pointer;border:none;background:none;margin-bottom:4px}.hub-project-back:hover{text-decoration:underline}.hub-project-loading{padding:16px 12px;color:#888;font-size:13px;text-align:center}.hub-project-error{padding:12px;color:#e94560;font-size:13px}.top-bar{display:flex;align-items:center;gap:12px;padding:8px 16px;background:#fff;border-bottom:1px solid #dde1e7;height:48px;flex-shrink:0}.title{font-weight:700;font-size:16px;color:#e94560;margin-right:8px}.model-selector{position:relative;display:inline-block;flex:1;max-width:400px}.model-button{width:100%;padding:6px 8px;background:#fff;color:#1a1a2e;border:1px solid #dde1e7;border-radius:4px;cursor:pointer;font-size:14px;text-align:left;transition:background-color .2s}.model-button:hover{background:#f0f1f3}.model-button:active{background:#e8eaed}.model-tree-popover{position:absolute;top:calc(100% + 4px);left:0;background:#fff;border:1px solid #dde1e7;border-radius:4px;box-shadow:0 2px 8px #0000001a;z-index:1000;min-width:300px;max-height:400px;overflow-y:auto}.login-btn{margin-left:auto;padding:6px 14px;background:#e94560;color:#fff;border:none;border-radius:4px;cursor:pointer;font-size:13px;font-weight:600;text-decoration:none;display:inline-block;transition:background-color .2s}.login-btn:hover{background:#d63956}.project-chip{display:inline-flex;align-items:center;gap:6px;padding:4px 10px;background:#0f3460;color:#e0e0e0;border-radius:4px;font-size:13px;max-width:200px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}@keyframes statusFlash{0%{color:#1a1a2e}to{color:#9a9aaa}}.status-latest{animation:statusFlash .8s ease-out forwards}