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ease;position:relative}.panel-divider:hover,.panel-divider[data-resize-handle-active]{background-color:var(--accent)}.workspace-panel{height:100%;display:flex;flex-direction:column;overflow:hidden;background-color:var(--bg-primary)}.panel-toolbar{height:38px;padding:0 14px;border-bottom:1px solid var(--border-subtle);justify-content:space-between;background-color:var(--bg-secondary);font-size:12px;-webkit-user-select:none;-moz-user-select:none;user-select:none;flex-shrink:0}.breadcrumb,.panel-toolbar{display:flex;align-items:center}.breadcrumb{gap:5px;color:var(--text-muted);font-family:var(--font-mono);font-size:11px}.breadcrumb-active{color:var(--text-primary);font-weight:500}.panel-actions{gap:6px}.action-btn,.panel-actions{display:flex;align-items:center}.action-btn{background:transparent;border:1px solid transparent;color:var(--text-secondary);border-radius:var(--radius-sm);padding:4px 8px;font-size:11px;cursor:pointer;gap:4px;transition:all .15s ease}.action-btn:hover{background-color:var(--bg-hover);color:var(--text-primary);border-color:var(--border-subtle)}.action-btn.active{background-color:var(--accent-subtle);color:var(--accent);border-color:var(--accent)}.panel-content{flex:1 1;height:calc(100% - 38px);overflow-y:auto;position:relative;display:flex;flex-direction:column}.diagram-wrapper{min-height:100%;flex:1 1;flex-direction:column;background:transparent}.diagram-viewport,.diagram-wrapper{width:100%;height:100%;display:flex;position:relative;overflow:hidden}.diagram-viewport{flex:1 1;align-items:center;justify-content:center;cursor:-webkit-grab;cursor:grab}.diagram-viewport:active{cursor:-webkit-grabbing;cursor:grabbing}.diagram-svg-container{display:flex;justify-content:center;align-items:center;width:100%;height:100%}.diagram-svg-container svg{max-width:100%;max-height:100%;height:auto}.embedded-mermaid-svg{width:100%;overflow-x:auto}.embedded-mermaid-svg svg{max-width:100%;height:auto!important;display:block;margin:0 auto}.diagram-floating-controls{bottom:14px;background-color:var(--bg-tertiary);padding:4px 6px;border-radius:var(--radius-sm);border:1px solid var(--border-subtle);box-shadow:0 4px 12px rgba(0,0,0,.4)}.diagram-floating-controls,.diagram-floating-top{position:absolute;right:14px;z-index:10;display:flex;gap:4px}.diagram-floating-top{top:14px}.diagram-raw-editor{width:100%;height:100%;flex:1 1;background-color:var(--bg-primary);color:var(--text-primary);font-family:var(--font-mono);font-size:13px;line-height:1.5;padding:24px;border:none;resize:none;outline:none}.status-pill{font-size:10px;padding:2px 6px;border-radius:10px;font-weight:600;text-transform:uppercase}.status-saved{background-color:rgba(16,185,129,.15);color:var(--success)}.status-unsaved{background-color:rgba(245,158,11,.15);color:var(--warning)}