/* ── Arbitrage Panel ─────────────────────────────── */
        .arb-panel {
            position: absolute;
            top: 60px;
            right: 16px;
            width: 520px;
            max-height: calc(100vh - 100px);
            background: var(--panel-bg);
            border-radius: var(--r-lg);
            border: 1px solid var(--panel-border);
            box-shadow: 0 24px 80px rgba(0,0,0,0.6);
            display: none;
            flex-direction: column;
            z-index: 300;
            overflow: hidden;
        }
        .arb-panel.visible { display: flex; }
        .arb-panel-header {
            padding: 12px 16px;
            border-bottom: 1px solid var(--panel-border);
            display: flex; align-items: center; justify-content: space-between;
        }
        .arb-panel-header h3 {
            font-size: 13px; font-weight: 600; margin: 0;
            color: var(--grey-100);
            display: flex; align-items: center; gap: 7px;
            font-family: var(--font-primary);
        }
        .arb-panel-header .arb-subtitle {
            font-size: 11px; color: var(--grey-500); margin-top: 4px;
        }
        .arb-controls {
            padding: 10px 16px;
            display: flex; gap: 8px; align-items: center;
            border-bottom: 1px solid var(--panel-border);
            flex-wrap: wrap;
        }
        .arb-controls label {
            font-size: 11px; color: var(--grey-500);
        }
        .arb-controls input[type="number"] {
            width: 70px; padding: 4px 6px; font-size: 12px;
            background: var(--panel-bg-raised); border: 1px solid var(--panel-border);
            border-radius: var(--r-sm); color: var(--grey-100);
        }
        .arb-controls button {
            padding: 6px 14px; font-size: 12px; font-weight: 600;
            border-radius: var(--r-md); border: 1px solid var(--success);
            background: var(--success); color: #fff; cursor: pointer;
            transition: filter 0.15s;
        }
        .arb-controls button:hover { filter: brightness(1.1); }
        .arb-controls button:disabled { opacity: 0.5; cursor: not-allowed; }
        .arb-panel-body {
            overflow-y: auto; flex: 1;
            padding: 0;
        }
        .arb-table {
            width: 100%; border-collapse: collapse; font-size: 11px;
        }
        .arb-table th {
            position: sticky; top: 0;
            background: var(--panel-bg-raised);
            padding: 6px 8px; text-align: left;
            color: var(--grey-500); font-weight: 600;
            border-bottom: 1px solid var(--panel-border);
            white-space: nowrap;
        }
        .arb-table th.num { text-align: right; }
        .arb-table td {
            padding: 6px 8px; border-bottom: 1px solid rgba(255,255,255,0.04);
            color: var(--grey-100);
        }
        .arb-table td.num { text-align: right; font-family: var(--font-mono); }
        .arb-table tr:hover td { background: rgba(255,255,255,0.03); }
        .arb-positive { color: var(--success); }
        .arb-negative { color: var(--error); }
        .arb-panel-footer {
            padding: 10px 16px;
            border-top: 1px solid var(--panel-border);
            display: flex; justify-content: space-between; align-items: center;
            font-size: 11px; color: var(--grey-500);
        }
        .arb-empty {
            text-align: center; padding: 32px 16px;
            color: var(--grey-500); font-size: 12px;
        }

        /* ── Ops overlay panels (Demand / Supply / Inventory) ── */
        .ops-overlay {
            position: fixed;
            top: 0; left: 52px; right: 0; bottom: 0;
            background: var(--panel-bg);
            border-left: 1px solid var(--panel-border);
            z-index: 400;
            display: flex;
            flex-direction: column;
            box-shadow: -12px 0 40px rgba(0,0,0,0.5);
            transform: translateX(calc(100% + 52px));
            transition: transform 0.22s cubic-bezier(0.4, 0, 0.2, 1);
            will-change: transform;
        }
        .ops-overlay.open {
            transform: translateX(0);
        }


/* ── Group Detail Overlay (inline → extracted) ── */
.gdp-tab{padding:10px 16px;font-size:12px;font-weight:500;color:var(--text-secondary);
  border-bottom:2px solid transparent;cursor:pointer;transition:all 0.15s;
  background:transparent;border-top:none;border-left:none;border-right:none;
  display:flex;align-items:center;gap:6px}
.gdp-tab:hover{color:var(--text-primary)}
.gdp-tab.active{color:var(--coral);border-bottom-color:var(--coral)}
.gdp-tab-count{font-size:10px;padding:1px 5px;border-radius:10px;
  background:var(--panel-bg-raised);color:var(--text-secondary);font-family:var(--font-mono)}
.gdp-tab.gdp-locked{opacity:0.38;pointer-events:none}
.gdp-pane{display:none;flex:1;overflow-y:auto;padding:14px}
.gdp-pane.active{display:block}
.gdp-member-row{display:flex;align-items:center;gap:10px;padding:7px 10px;
  border-radius:var(--r-md);border:1px solid var(--panel-border);
  background:var(--panel-bg-raised);margin-bottom:4px;transition:border-color 0.12s}
.gdp-member-row:hover{border-color:var(--text-dim)}
.gdp-member-row.outside{border-color:rgba(229,73,58,0.4);background:rgba(229,73,58,0.06)}
.gdp-row-btn{width:22px;height:22px;border-radius:var(--r-sm);border:1px solid var(--panel-border);
  background:transparent;color:var(--text-secondary);font-size:13px;cursor:pointer;
  display:flex;align-items:center;justify-content:center;transition:all 0.12s}
.gdp-row-btn.danger:hover{color:var(--error);border-color:var(--error)}
.gdp-section-label{font-size:10px;text-transform:uppercase;letter-spacing:0.6px;
  color:var(--text-dim);font-weight:700;margin-bottom:8px;margin-top:12px}
.gdp-section-label:first-child{margin-top:0}
.gdp-tool-card{background:var(--panel-bg-raised);border:1px solid var(--panel-border);
  border-radius:var(--r-lg);padding:12px;margin-bottom:10px}
.gdp-filter-input{background:var(--panel-bg-raised);border:1px solid var(--panel-border);
  border-radius:var(--r-sm);color:var(--text-primary);font-size:12px;padding:5px 8px;flex:1}
.gdp-filter-select{background:var(--panel-bg-raised);border:1px solid var(--panel-border);
  border-radius:var(--r-sm);color:var(--text-primary);font-size:12px;padding:5px 8px}
.gdp-btn-primary{padding:6px 14px;border-radius:var(--r-sm);border:1px solid var(--coral-30);
  background:var(--coral-10);color:var(--coral);font-size:11px;font-weight:600;cursor:pointer;transition:all 0.15s}
.gdp-btn-primary:hover{background:var(--coral-30)}
.gdp-btn-secondary{padding:6px 14px;border-radius:var(--r-sm);border:1px solid var(--panel-border);
  background:transparent;color:var(--text-secondary);font-size:11px;cursor:pointer}
.gdp-btn-secondary:hover{color:var(--text-primary);border-color:var(--text-secondary)}
.gdp-step{display:flex;align-items:center;gap:8px;flex:1;font-size:11px;color:var(--text-dim)}
.gdp-step.done{color:var(--success)}
.gdp-step.active{color:var(--text-primary);font-weight:600}
.gdp-step-num{width:20px;height:20px;border-radius:50%;border:1px solid currentColor;
  display:flex;align-items:center;justify-content:center;font-size:10px;font-weight:700;flex-shrink:0}
.gdp-step.done .gdp-step-num{background:var(--success);border-color:var(--success);color:#fff}
#group-detail-overlay .badge{display:inline-flex;align-items:center;padding:2px 8px;
  border-radius:var(--r-sm);font-size:10px;font-weight:700;text-transform:uppercase;letter-spacing:0.4px}
#group-detail-overlay .badge-region{background:rgba(74,155,240,0.15);color:var(--blue-muted)}
#group-detail-overlay .badge-admin{background:rgba(245,166,35,0.15);color:var(--warning)}
#group-detail-overlay .badge-read{background:rgba(61,187,125,0.12);color:var(--success)}
#group-detail-overlay .badge-edit{background:rgba(255,134,122,0.12);color:var(--coral)}
#group-detail-overlay .badge-flag{background:rgba(229,73,58,0.12);color:var(--error)}