:root{--bg: #f5f6f8;--panel: #ffffff;--ink: #1b1f24;--muted: #6b7280;--line: #d7dbe0;--accent: #2f6fed;--payer: #1f8a70;--receiver: #8a5cf6;--danger: #d9455f}.app.dark{--bg: #14171c;--panel: #1d222a;--ink: #e9edf2;--muted: #9aa3ad;--line: #2c333d;--accent: #5b8bff}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif}.app{height:100%;display:flex;flex-direction:column;background:var(--bg);color:var(--ink)}.topbar{display:flex;align-items:center;gap:8px;padding:8px 12px;background:var(--panel);border-bottom:1px solid var(--line);flex-wrap:wrap}.brand{font-weight:700;font-size:18px;letter-spacing:.3px}.spacer{flex:1}.datebox{display:flex;flex-direction:column;font-size:11px;color:var(--muted)}.datebox input{border:1px solid var(--line);background:var(--bg);color:var(--ink);border-radius:6px;padding:4px 8px;font-size:13px}.btn{border:1px solid var(--line);background:var(--bg);color:var(--ink);border-radius:8px;padding:7px 12px;cursor:pointer;font-size:13px}.btn:hover{border-color:var(--accent)}.btn.primary{background:var(--accent);color:#fff;border-color:var(--accent)}.btn.danger{background:var(--danger);color:#fff;border-color:var(--danger)}.btn.icon{padding:7px 9px}.entities-bar{display:flex;align-items:center;gap:6px;padding:6px 12px;background:var(--panel);border-bottom:1px solid var(--line);flex-wrap:wrap}.entities-bar .lbl{font-size:12px;color:var(--muted)}.muted{color:var(--muted)}.chip{display:inline-flex;align-items:center;gap:4px;background:var(--bg);border:1px solid var(--line);border-radius:999px;padding:3px 6px 3px 10px;font-size:12px}.chip.bank{border-color:#c9a227}.chip.customer{border-color:#2f8fed}.chip-x{border:none;background:transparent;color:var(--muted);cursor:pointer;font-size:11px}.banner.err{margin:8px 12px;padding:8px 12px;background:#fde8ec;color:#b3263a;border-radius:8px}.app.dark .banner.err{background:#3a1f25;color:#ff9bab}.stage{position:relative;flex:1;overflow:hidden}.empty{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;align-items:center;justify-content:center;color:var(--muted);pointer-events:none}.loading{position:absolute;top:10px;left:50%;transform:translate(-50%);background:var(--panel);border:1px solid var(--line);padding:4px 10px;border-radius:999px;font-size:12px;z-index:5}.canvas-bg{position:absolute;top:0;right:0;bottom:0;left:0;overflow:hidden;cursor:grab;touch-action:none;background:radial-gradient(circle at 1px 1px,rgba(128,128,140,.18) 1px,transparent 0) 0 0 / 28px 28px}.canvas-bg:active{cursor:grabbing}.canvas-world{position:relative}.edges{position:absolute;left:0;top:0;pointer-events:none}.tree-edge{fill:none;stroke:var(--line);stroke-width:1.5}.alloc-group{pointer-events:all;cursor:pointer}.alloc-edge{fill:none;stroke:var(--accent);stroke-width:2.5;opacity:.85}.alloc-edge:hover{stroke:var(--danger)}.alloc-pill{background:var(--accent);color:#fff;font-size:11px;border-radius:999px;padding:2px 6px;text-align:center;white-space:nowrap}.alloc-group:hover .alloc-pill{background:var(--danger)}.root-btn{position:absolute;border-radius:50%;background:var(--panel);border:2px solid var(--accent);display:flex;align-items:center;justify-content:center;color:var(--accent);font-size:20px}.cat-label{position:absolute;display:flex;align-items:center;justify-content:center;font-size:11px;font-weight:700;letter-spacing:1px;color:var(--muted);border:1px dashed var(--line);border-radius:8px}.name-node{position:absolute;display:flex;align-items:center;justify-content:center;background:var(--panel);border:1px solid var(--line);border-radius:10px;font-weight:600;font-size:13px;padding:4px 8px;text-align:center}.flow-node{position:absolute;background:var(--panel);border-radius:12px;border:2px solid var(--line);padding:6px 10px;cursor:pointer;-webkit-user-select:none;user-select:none;box-shadow:0 4px 14px #00000014}.flow-node.payer{border-color:var(--payer)}.flow-node.receiver{border-color:var(--receiver)}.flow-node.holding{animation:pulse .6s infinite alternate}@keyframes pulse{0%{box-shadow:0 0 #d9455f80}to{box-shadow:0 0 0 8px #d9455f00}}.node-label{font-weight:700;font-size:13px}.node-sub{font-size:11px;color:var(--muted)}.node-bar{height:5px;background:var(--line);border-radius:4px;margin:5px 0 3px;overflow:hidden}.node-bar-fill{height:100%}.node-meta{font-size:10px;color:var(--muted)}.zoombar{position:absolute;right:12px;bottom:12px;display:flex;gap:6px;z-index:6}.overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0006;display:flex;align-items:center;justify-content:center;z-index:20}.modal{background:var(--panel);color:var(--ink);border-radius:14px;width:min(420px,92vw);max-height:90vh;overflow:auto;box-shadow:0 20px 60px #0000004d}.modal-head{display:flex;justify-content:space-between;align-items:center;padding:12px 14px;border-bottom:1px solid var(--line);font-weight:700}.icon-btn{border:none;background:transparent;color:var(--muted);cursor:pointer;font-size:14px}.modal-body{padding:14px;display:flex;flex-direction:column;gap:12px}.fld{display:flex;flex-direction:column;gap:4px;font-size:12px;color:var(--muted)}.fld input,.fld select{border:1px solid var(--line);background:var(--bg);color:var(--ink);border-radius:8px;padding:8px;font-size:14px}.remaining{font-size:12px;color:var(--muted)}.modal-actions{display:flex;justify-content:flex-end;gap:8px;margin-top:4px}.err{color:var(--danger);font-size:12px}