.merge{flex-direction:column;gap:0;height:calc(100vh - 3.5rem);display:flex}.merge__panels{background-color:var(--fm-border);flex:1;gap:1px;min-height:0;display:flex}.merge__column--rules{background-color:var(--fm-bg-deep);flex-direction:column;flex-shrink:0;width:650px;display:flex;overflow:hidden}.merge__column--detail{background-color:var(--fm-bg-deepest);flex:1;justify-content:stretch;align-items:stretch;display:flex;overflow-y:auto}.merge__column--detail:has(.merge__placeholder){justify-content:center;align-items:center}.merge__toolbar{border-bottom:1px solid var(--fm-border);flex-shrink:0;padding:.5rem}.merge__toolbar :global(.filter-toolbar){flex-direction:column;align-items:flex-start;gap:.35rem}.merge__toolbar :global(.filter-toolbar__name-group){width:100%;min-width:0}.merge__toolbar :global(.filter-toolbar__actions){flex-wrap:nowrap}.merge__copy-bar{border-bottom:1px solid var(--fm-border);flex-shrink:0;padding:.3rem .5rem;display:flex}.merge__copy-btn{width:100%;font-size:.7rem}.merge__rules{flex-direction:column;flex:1;display:flex;overflow:hidden}.merge__placeholder{color:var(--fm-text-muted);text-align:center;flex-direction:column;align-items:center;gap:.5rem;font-size:1.1rem;display:flex}.merge__placeholder :global(.bi){opacity:.5;font-size:2.5rem}.merge__placeholder-hint{color:var(--fm-text-muted);opacity:.6;font-size:.85rem}@media (width<=1400px){.merge__column--rules{width:520px}}@media (width<=900px){.merge__panels{flex-direction:column}.merge__column--rules{width:100%;max-height:35vh}.merge__column--detail{min-height:30vh}}