*{margin:0;padding:0}body{background:linear-gradient(135deg,#667eea,#764ba2);min-height:100vh}code{font-family:source-code-pro,Menlo,Monaco,Consolas,Courier New,monospace}:root{--brand-900:#0b3d39;--brand-600:#0f766e;--brand-100:#d9f2ec;--treeflow-primary:var(--brand-600);--treeflow-primary-light:#3fbfb0;--treeflow-primary-dark:var(--brand-900);--treeflow-bg:#fafafa;--treeflow-card:#fff;--treeflow-text:#1f2937;--treeflow-text-light:#6b7280;--treeflow-text-muted:#94a3b8;--treeflow-border:#0f172a14;--treeflow-border-light:#0f172a0f;--treeflow-shadow:0 1px 3px #0f172a14;--treeflow-shadow-hover:0 4px 10px #0f172a1f;--treeflow-accent:#ff9800;--treeflow-success:#4caf50;--treeflow-error:#f44336;--ost-outcome-accent:#3f8f7a;--ost-opportunity-accent:#c9822e;--ost-solution-accent:#4d6fb3;--ost-test-accent:#7c6ad6;--ost-panel-bg:#fbfbfc;--topbar-h:64px;--topbar-gap:12px;--safe-top:calc(var(--topbar-h) + 16px);--content-top:calc(var(--topbar-gap) + var(--topbar-h) + 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var(--todo-shift))}.tree-view.tree-view-list{min-height:100vh;overflow:auto;padding:var(--safe-top) 16px 24px;position:relative}.context-bar{align-items:center;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:#ffffffbf;border-radius:8px;box-shadow:0 8px 20px #0f172a14;color:var(--treeflow-text-light);display:flex;font-size:12px;gap:8px;left:16px;padding:6px 10px;position:absolute;top:12px;z-index:180}.tree-view.tree-view-list .context-bar{-webkit-backdrop-filter:none;backdrop-filter:none;background:#0f172a0a;box-shadow:none;margin-bottom:12px;position:static}.tree-view-content{align-items:stretch;display:flex;flex:1 1;gap:16px;inset:0;min-height:0;overflow:hidden;position:absolute}.tree-view.tree-view-list .tree-view-content{overflow:visible;position:static}.tree-container{display:flex;flex-direction:column;height:100%;min-width:0;position:relative}.tree-container>.list-mode-view,.tree-container>.tree-mode-view{flex:1 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var(--treeflow-primary-dark);border-radius:6px;box-shadow:none;color:#fff;cursor:pointer;display:flex;gap:8px;min-height:44px;padding:6px 10px;position:relative;transition:all .25s ease;width:100%;z-index:10}.treeflow-outcome-card.hovered,.treeflow-outcome-card:hover{border-color:var(--treeflow-primary-light);box-shadow:none;transform:none}.treeflow-outcome-card.selected{border-color:var(--treeflow-success);box-shadow:0 0 0 3px #4caf5040}.treeflow-outcome-icon{color:#ffeb3b;flex-shrink:0;font-size:16px}.treeflow-outcome-text{flex:1 1;font-size:14px;font-weight:600;line-height:1.4}.treeflow-outcome-card-editing{background:var(--treeflow-card);border:2px solid var(--treeflow-border);border-radius:12px;padding:24px;width:100%}.treeflow-connector-outcome{align-items:flex-start;cursor:pointer;display:flex;height:var(--tree-gap-y);justify-content:center;margin:6px auto;max-width:var(--tree-max-width);padding:0;position:relative;transition:all .2s 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#ffc10733}.treeflow-expand-toggle{align-items:center;background:none;border:none;border-radius:4px;color:var(--treeflow-text-light);cursor:pointer;display:flex;flex-shrink:0;font-size:12px;height:20px;justify-content:center;padding:4px;transition:all .2s;width:20px}.treeflow-expand-toggle:hover{background:#0000000d;color:var(--treeflow-text)}.treeflow-opportunity-icon{color:#ffc107;flex-shrink:0;font-size:14px}.treeflow-opportunity-text{color:var(--treeflow-text);flex:1 1;font-size:13px;font-weight:500;line-height:1.4}.treeflow-opportunity-card-editing{background:var(--treeflow-card);border:2px solid var(--treeflow-border);border-radius:12px;padding:20px;width:100%}.treeflow-connector-solutions{cursor:pointer;margin:4px auto;min-height:var(--tree-gap-y);position:relative;transition:all .2s 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