:root{color-scheme:light;font-family:Inter,Segoe UI,Arial,sans-serif;background:#f4f8ff;--tech-bg: #f4f8ff;--tech-panel: #ffffff;--tech-panel-soft: #f8fbff;--tech-line: #d6e8ff;--tech-blue: #1677ff;--tech-blue-deep: #0958d9;--tech-green: #16a34a;--tech-red: #ef4444}:root[data-theme=dark]{color-scheme:dark;background:#08111f;--tech-bg: #08111f;--tech-panel: #0f1d31;--tech-panel-soft: #13243b;--tech-line: #20456f;--tech-blue: #4096ff;--tech-blue-deep: #69b1ff;--tech-green: #4ade80;--tech-red: #f87171}*{box-sizing:border-box}body{margin:0;min-width:320px;overflow:hidden}.app-shell{min-height:100vh}.titlebar{height:42px;line-height:42px;padding:0 12px;display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--tech-line);background:linear-gradient(90deg,var(--tech-panel),var(--tech-panel-soft));box-shadow:0 1px 8px #1677ff14}.brand,.title-actions,.user-chip{display:flex;align-items:center}.brand .anticon{color:var(--tech-blue)}.brand 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#1677ff33}.board-side-card-main{min-width:0;display:flex;flex-direction:column;gap:4px}.board-side-card-title{color:var(--tech-blue-deep);font-weight:600}.board-side-card-remark{color:var(--tech-muted);font-size:12px;line-height:1.4;line-clamp:2;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.side-title{margin-bottom:8px}.connection-row{display:flex;align-items:center;justify-content:space-between;gap:8px;min-width:0}.connection-name{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.status-icon{font-size:15px;line-height:1}.status-icon.connected{color:var(--tech-green)}.status-icon.disconnected{color:var(--tech-red)}.workspace{padding:10px 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48px);display:flex;flex-direction:column;border:1px solid var(--tech-line);border-radius:8px;background:var(--tech-panel);box-shadow:0 12px 36px #0f1d313d;overflow:hidden;resize:both}.floating-chart-head{height:36px;flex:0 0 36px;display:flex;align-items:center;justify-content:space-between;gap:8px;padding:0 8px 0 10px;border-bottom:1px solid var(--tech-line);background:var(--tech-panel-soft);cursor:move;-webkit-user-select:none;user-select:none}.floating-chart-head .ant-typography{max-width:240px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.floating-chart-body{flex:1;min-height:0}.floating-chart-stats{flex:0 0 auto;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:6px;padding:8px;border-top:1px solid var(--tech-line);background:var(--tech-panel-soft)}.floating-chart-stat{min-width:0;display:flex;align-items:center;justify-content:space-between;gap:6px;padding:4px 6px;border-left:3px solid var(--tech-blue);border-radius:4px;background:var(--tech-panel);font-size:12px}.floating-chart-stat strong{color:var(--tech-text);font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.board-tabs,.board-tabs .ant-tabs-content-holder,.board-tabs .ant-tabs-content,.board-tabs .ant-tabs-tabpane{height:100%;min-height:0}.board-workspace{height:100%;min-height:0;display:flex;flex-direction:column;gap:8px}.board-topbar{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:8px 10px;border:1px solid var(--tech-line);border-radius:10px;background:linear-gradient(135deg,#1677ff14,#ffffffe6)}:root[data-theme=dark] .board-topbar{background:linear-gradient(135deg,#1677ff1f,#0f172aeb)}.board-remark{margin-left:8px}.board-toolbar{display:flex;align-items:center;justify-content:space-between;gap:10px;flex-wrap:wrap;padding:8px 10px;border:1px solid var(--tech-line);border-radius:10px;background:var(--tech-panel)}.board-toolbar-group{display:flex;align-items:center;gap:6px;flex-wrap:wrap}.board-toolbar-label{color:var(--tech-muted);font-size:12px;padding-right:4px}.board-editor-shell{flex:1 1 auto;min-height:0;display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:10px}.board-canvas-panel,.board-property-pane{min-height:0;border:1px solid var(--tech-line);border-radius:10px;background:var(--tech-panel);overflow:hidden}.board-canvas-panel{position:relative}.board-canvas{width:100%;height:100%;min-height:0;overflow:auto}.board-grid-canvas{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));grid-auto-rows:150px;gap:10px;padding:10px}.board-free-canvas{position:relative;min-height:100%;padding:10px;background-image:linear-gradient(rgba(22,119,255,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(22,119,255,.06) 1px,transparent 1px);background-size:24px 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.ant-input-number{width:100%}.board-frame-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}.board-frame-grid label{display:flex;flex-direction:column;gap:4px;color:var(--tech-muted);font-size:12px}.board-property-empty{padding-top:6px}@media (max-width: 980px){.board-editor-shell{grid-template-columns:minmax(0,1fr)}.board-property-pane{min-height:280px}}@media (max-width: 760px){.side-split-layout{grid-template-rows:auto auto}.board-chart-stats,.floating-chart-stats{grid-template-columns:repeat(2,minmax(0,1fr))}}.message-list-wrap .ant-list{flex:1 1 auto;min-height:0;height:100%;overflow:auto}.send-section .ant-form-item{margin-bottom:8px}.embedded-send-section .publish-form{display:flex;flex-direction:column;flex:1 1 auto;width:100%;min-width:0;min-height:0;overflow-y:auto;overflow-x:hidden;padding-inline-end:2px}.embedded-send-section>.panel-head{flex:0 0 auto}.embedded-send-section .publish-form>.ant-form-item{flex:0 0 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