/* Advanced background refinement — small, isolated styles. */
.bg-mode-advanced{display:flex;gap:7px;flex-wrap:wrap}.bg-mode-advanced .btn.is-active{background:#376fe4;border-color:#376fe4;color:#fff}.bg-precision-actions{display:flex;gap:7px;flex-wrap:wrap}.bg-edge-panel{margin:12px 0 4px;padding:14px;border:1px solid #dfe7f1;border-radius:14px;background:linear-gradient(180deg,#fbfdff,#f7faff)}.bg-edge-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px 18px}.bg-edge-row{display:flex;gap:12px;align-items:end;flex-wrap:wrap;margin-top:12px}.bg-edge-row>label{font-size:11px;font-weight:750;color:#526078;display:grid;gap:6px}.bg-edge-row select{min-width:150px}.bg-inline-check{display:flex!important;align-items:center!important;grid-template-columns:auto 1fr!important;gap:7px!important}.bg-inline-check input{width:16px;height:16px;accent-color:#376fe4}.bg-refine-stage.inspect-white{background:#fff!important}.bg-refine-stage.inspect-dark{background:#111827!important}.bg-refine-stage.inspect-magenta{background:#ff00b8!important}.bg-refine-stage.show-mask{background:#111827!important}.bg-refine-stage.is-panning canvas{cursor:grab!important}.bg-refine-stage.is-dragging canvas{cursor:grabbing!important}.bg-refine-state.busy{color:#285fe4}.bg-edge-panel .hidden{display:none!important}.bg-shortcut-list{display:grid;grid-template-columns:1fr auto;gap:8px 18px;font-size:12px}.bg-shortcut-list kbd{font:11px ui-monospace,monospace;border:1px solid #d4deea;background:#f4f7fb;border-radius:5px;padding:3px 6px}@media(max-width:720px){.bg-edge-grid{grid-template-columns:1fr}.bg-edge-row>label{flex:1 1 140px}.bg-mode-advanced .btn{flex:1 1 105px}}