.flow-builder{height:calc(100vh - 120px);background:#f8fafc}.flow-toolbar{height:64px;display:flex;align-items:center;justify-content:space-between;padding:0 20px;background:#fff;border-bottom:1px solid #e5e7eb}.save-button{background:#2563eb;color:#fff;border:0;border-radius:7px;padding:10px 18px;cursor:pointer}.save-button:disabled{opacity:.6}.flow-layout{height:calc(100% - 64px);display:grid;grid-template-columns:210px 1fr 280px}.node-palette{background:#fff;border-right:1px solid #e5e7eb;padding:15px}.node-palette h3,.node-editor h3{margin-top:0}.palette-button{display:block;width:100%;margin-bottom:8px;padding:10px;border:1px solid #d1d5db;border-radius:7px;background:#fff;cursor:pointer;text-align:left}.palette-button:hover{background:#f3f4f6}.flow-canvas{min-width:0;background:#f8fafc}.node-editor{background:#fff;border-left:1px solid #e5e7eb;padding:18px;overflow-y:auto}.node-editor label{display:block;margin-top:15px;margin-bottom:5px;font-size:13px;font-weight:600}.node-editor input,.node-editor textarea{width:100%;box-sizing:border-box;border:1px solid #d1d5db;border-radius:6px;padding:9px}.node-editor textarea{min-height:100px}.fb-node{min-width:210px;background:#fff;border:1px solid #cbd5e1;border-radius:10px;padding:12px;box-shadow:0 3px 10px #00000014}.fb-trigger{border-color:#22c55e}.fb-condition{border-color:#f59e0b}.fb-end{border-color:#ef4444}.fb-node-title{font-weight:700;margin-bottom:8px}.fb-preview{color:#475569;font-size:13px;white-space:pre-wrap}.fb-button-row{position:relative;margin-top:8px;padding:7px 12px;background:#eff6ff;border-radius:6px;color:#1d4ed8}.delete-button{margin-top:25px;width:100%;padding:10px;border:0;border-radius:7px;background:#dc2626;color:#fff;cursor:pointer}.help-text{font-size:12px;color:#64748b}